New upstream version 4.8

.gitignore

@@ -1,47 +0,0 @@
-*~
-lib*.a
-*.o
-*.lo
-*.la
-*.gmo
-.deps
-.libs
-
-*.patch
-*.rej
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-
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-/po/Makevars.template
-/po/POTFILES
-/po/Rules-quot
-/po/stamp-po
-
-/shadow.spec
-/libmisc/getdate.c

ChangeLog

@@ -1,3 +1,161 @@
+2019-12-01  Serge Hallyn <serge@hallyn.com>
+
+	* Release 4.8
+	* Initial optional bcrypt support.
+	* Make build/install of 'su' optional.
+	* Fix for vipw not resuming correctly when suspended
+	* Sync password field descriptions in manpages
+	* Check for valid shell argument in useradd
+	* Allow translation of new strings through POTFILES.in
+	* Migrate to itstool for translations
+	* Migrate to new SELinux api
+	* Support --enable-vendordir
+	* pwck: Only check homedir if set and not a system user
+	* Support nonstandard usernames
+	* sget{pw,gr}ent: check for data at EOL
+	* Add YYY-MM-DD support in chage
+	* Fix failing chmod calls for suidubins
+	* Fix --sbindir and --bindir for binary installations
+	* Fix LASTLOG_UID_MAX in login.defs
+	* Fix configure error with dash
+
+2019-06-13  Serge Hallyn <serge@hallyn.com>
+
+	* Release 4.7
+	* Spawn: don't loop forever on ECHILD
+	* Do not fail locking if there is a stale lockfile Tomas Mraz)
+	* Use lckpwdf if prefix not set (Tomas Mraz)
+	* Build: check correct DocBook version (Jan Tojnar)
+	* Usermod: Print 'no changes' to stdout, not stderr (Serge Hallyn)
+	* Add support for btrfs subvolumes for home (Adam Majer)
+	* Fix chpasswd long line handling (Nathan Ruiz)
+	* Use secure_getenv for gettime (Chris Lamb)
+	* Make sp_lstchg reproducible (Chris Lamb)
+	* Do not crash commonio_close if db file is not open (Tomas Mraz)
+	* Don't flush nscd and sssd cache in read-only mode (Charlie Vuillemez)
+	* French manpage update (Alban VIDAL)
+	* Fix manpage defaults for SUB_UID/GID_COUNT (Tomas Mraz)
+	* Sync po files from shadow.pot (Alban VIDAL)
+	* Usermod: guard against unsafe chown of homedir contents (Tomas Mraz)
+	* Add LASTLOG_UID_MAX to login.defs (Tomas Mraz)
+	* new[ug]idmap file capabilities support (Giuseppe Scrivano and Christian Brauner)
+	* Fix segfault in useradd (Tomas Mraz)
+	* Coverity issues (Tomas Mraz)
+	* Flush sssd caches (Jakub Hrozek)
+	* Log UID in nologin (Vladimir Ivanov)
+	* run pam_getenvlist after setup_env in su.c (Michael Vogt)
+	* Support systems with only utmpx (A. Wilcox)
+	* Fix unguarded ENABLE_SUBIDS code (Jan Chren (rindeal))
+	* Update po/zh_CN translation (Lion Yang)
+	* Create parent dirs for useradd -m (Michael Vetter)
+	* Prevent usermod segv
+	* Fix usermod crash (fariouche)
+
+2018-04-29  Serge Hallyn <serge@hallyn.com>
+
+	* Release 4.6
+	* Newgrp: avoid unnecessary lookups
+	* Make language less binary
+	* Add error when turning off man switch
+	* Spelling fixes
+	* Make userdel work with -R
+	* newgidmap: enforce setgroups=deny if self-mapping a group
+	* Norwegian bokmål translation
+	* pwck: prevent crash by not passing O_CREAT
+	* WITH_TCB fixes from Mandriva
+	* Fix pwconv and grpconv entry skips
+	* Fix -- slurping in su
+	* add --prefix option
+
+2017-07-16  Serge Hallyn <serge@hallyn.com>
+
+	* Import new Dutch translations.
+
+2017-07-10  Serge Hallyn <serge@hallyn.com>
+
+	* Expand error codes for groupmod.
+
+2017-05-17  Serge Hallyn <serge@hallyn.com>
+
+	* Release 4.5
+
+2017-05-17  Serge Hallyn <serge@hallyn.com>
+
+	* Patch from Tobias Stoeckmann fixing regression in previous CVE fix
+	  preventing SIGTERM to su from being propagated to the job.
+	* Patch from Chris Lamb making sp_lstchg shadow field reproducible.
+	* Merge Russian translation updates from Yuri Kozlov
+	* Fix missing close of subuid file on error
+
+2017-02-23  Serge Hallyn <serge@hallyn.com>
+
+	* Merge patch by Tobias Stoeckmann <tobias@stoeckmann.org> to fix
+	  the equivalent of util-linux CVE-2017-2616.
+
+2017-02-08  Serge Hallyn <serge@hallyn.com>
+
+	* Update Kazakh translations
+	* Consult configuration before calculating subuids
+	* Remove misplaced semicolon
+
+2017-01-29  Serge Hallyn <serge@hallyn.com>
+
+	* Patch from Fedora to improve performance with SSSD, Winbind,
+	  or nss_ldap. (Tomas Mraz)
+	* Make sure knowndef_table is NULL-terminated.  (Bernhard Rosenkränzer)
+
+2016-12-21  Serge Hallyn <serge@hallyn.com>
+
+	* Drop leading underscore from _COMMONIO_H and _SHADOWIO_H
+	* Fix readability in usermod error messages.
+	* Reset user in tallylog
+	* Add audit support to su
+
+2016-12-02  Serge Hallyn <serge@hallyn.com>
+
+	* changes since 4.4
+	  - Use sizeof rather than hardcoding snprintf args
+	  - Fix useradd improper default loading
+	  - Update Vietnamese translations
+	  - Update Polish translations
+	  - Remove non-POSIX chmod option in Makefile
+	  - Fix suidubins assignments
+	  - Fix --add-subuids etc spelling in manpages
+	  - Audit homedir ownership change.
+	  - Print error on selinux file context update failure
+	  - Keep original file perms when creating a backup
+
+	* (henceforth we'll update Changelog with each commit
+	  and proper credit)
+
+2016-12-02  Serge Hallyn <serge@hallyn.com>
+
+	* Changes since 4.2.1:
+	  - Documentation, error report and translations updates
+	  - Replace path_max with 32
+	  - User namespace support fixes/updates including:
+	    - Correct sanity checks in newXidmap
+	    - Fix building without subuid support
+	    - Add /etc/subuid support for UID matching
+	    - Support subuid for nonlocal users
+	    - Default to 65536 subuid allocations
+	    - Respect -r
+	    - Check for range overflows
+	  - Add tests from svn tree
+	  - Use AC_CHECK_SIZEOF for uid_t size checks
+	  - Accomodate missing /etc and login.defs
+	  - Support FORCE_SHADOW
+	  - Be more robust in hostile environment
+	  - Allow removing a primary group
+	  - Clear passwords on __pw_dup errors
+	  - Memory leak fix in commonio_update and get_map_ranges
+	  - Fix resource leak in syslog_sg
+	  - Fix user busy error at userdel
+	  - Support set/clear lastlog record via lastlog command
+	  - Add --no-create-home as longopt for -M
+	  - Fix signal races
+	  - Reduce syslog priority of common usage events
+
 2013-08-25  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* src/vipw.c: After waitpid(), use errno only if waitpid returned

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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
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+	    || exit 1; \
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+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
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+	    $(am__make_dryrun) \
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+	  exit 1 ; \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
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NEWS

@@ -654,9 +654,9 @@ shadow-4.0.18.2 -> shadow-4.1.0						09-12-2007
 - Use MD5_CRYPT_ENAB, ENCRYPT_METHOD, SHA_CRYPT_MIN_ROUNDS, and
   SHA_CRYPT_MAX_ROUNDS to define the default encryption algorithm for the
   passwords.
-- chpaswd, chgpasswd, newusers: New options -c/--crypt-method and
+- chpasswd, chgpasswd, newusers: New options -c/--crypt-method and
   -s/--sha-rounds to supersede the system default encryption algorithm.
-- chpaswd, chgpasswd, newusers: DES is no more the default algorithm. They
+- chpasswd, chgpasswd, newusers: DES is no more the default algorithm. They
   will respect the system default configured in /etc/login.defs
 
 *** documentation:
@@ -701,14 +701,14 @@ shadow-4.0.17 -> shadow-4.0.18						01-08-2006
 - groupadd, groupmod, useradd, usermod: fixed UID/GID overflow (fixed
   http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198920)
 - passwd, useradd, usermod: fixed inactive/mindays/warndays/maxdays overflow
-  (simillar to RH#198920),
-- groupmems: rewrited for use PAM and getopt_long() and now it is enabled
+  (similar to RH#198920),
+- groupmems: rewritten for use PAM and getopt_long() and now it is enabled
   for build and install (patch by George Kraft <gk4@swbell.net>),
 - S/Key: removed assign getpass() to libshadow_getpass() on autoconf level
   (patch by Ulrich Mueller <ulm@kph.uni-mainz.de>; http://bugs.gentoo.org/139966),
 - usermod: back to previous -a option semantics and clarify -a behavior
   on documentation level (by Greg Schafer <gschafer@zip.com.au>),
-- chsh, groupmod: rewrited for use getopt_long().
+- chsh, groupmod: rewritten for use getopt_long().
 - updated translations: ca, cs, da, eu, fr, gl, hu, ko, pl, pt, ru, sv, tr, uk, vi.
 *** documentation:
 - fr and ru man pages are up to date,
@@ -743,7 +743,7 @@ shadow-4.0.15 -> shadow-4.0.16						05-06-2006
 
 *** general:
 - userdel: better fix for old CERT VU#312962 (which was fixed in shadow 4.0.8):
-  fixed forgoten checking of the return value from fchown() before
+  fixed forgotten checking of the return value from fchown() before
   proceeding with the fchmod() (based on Owl patch prepared by
   Rafal Wojtczuk <nergal@owl.openwall.com>),
 - userdel: use login.defs::MAIL_DIR instead hardcoded /var/mail in created
@@ -755,7 +755,7 @@ shadow-4.0.15 -> shadow-4.0.16						05-06-2006
   passwords and libshadow_getpass() is used only because libc getpass()
   do not handles password prompting with echo enabled,
 - move login.defs::MD5_CRYPT_ENAB to non-PAM part,
-- userdel: rewrited for use getopt_log(),
+- userdel: rewritten for use getopt_log(),
 - install default/template configuration files:
 -- if shadow is configured with use PAM install /etc/pam.d/* files,
 -- if shadow do not uses PAM install /etc/{limits,login.acces} files,
@@ -793,7 +793,7 @@ shadow-4.0.15 -> shadow-4.0.16						05-06-2006
 - updated ru login.defs(5), passwd(1), userdel(8), usermod(8) man pages,
 - pw_auth(3) man page removed (outdated),
 - install limits(5), login.access(5) and porttime(5) man pages only when
-  shadow is builded with PAM support disabled,
+  shadow is built with PAM support disabled,
 - passwd(1): better document how password strength is checked
   (fixed http://bugs.debian.org/115380),
 - usermod(8): added missing -a option description
@@ -816,7 +816,7 @@ shadow-4.0.14 -> shadow-4.0.15						13-03-2006
 - login: default UMASK if not specified in login.defs is 022 (pointed by
   Peter Vrabec <pvrabec@redhat.com>),
 - chgpasswd: new tool (by Jonas Meurer <mejo@debian.org>),
-- lastlog: print the usage and exit if an additional argument is profided to
+- lastlog: print the usage and exit if an additional argument is provided to
   lastlog (merge 488_laslog_verify_arguments Debian patch),
 - login, newgrp, nologin, su: do not link with libselinux (merge
   490_link_selinux_only_when_needed Debian patch),
@@ -830,9 +830,9 @@ shadow-4.0.14 -> shadow-4.0.15						13-03-2006
     tries exceeded,
   - always prints the number of tries in the syslog entry.
   - add special handling for PAM_ABORT
-  - add an entry to failog, as when USE_PAM is not defined. (#53164)
+  - add an entry to faillog, as when USE_PAM is not defined. (#53164)
   - changed pam_end to PAM_END. This is certainly was a mistake.  PAM_END is
-    pam_close_seesion + pam_end. Here, the session is still not open, we
+    pam_close_session + pam_end. Here, the session is still not open, we
     don't have to close it.
   - a HAVE_PAM_FAIL_DELAY is missing,
 - su: fixed pam session support (patch from Topi Miettinen; fixed #57526,
@@ -840,7 +840,7 @@ shadow-4.0.14 -> shadow-4.0.15						13-03-2006
 - userdel: user's group is already removed by update_groups().
   remove_group() is not needed (bug introduced in 4.0.14 on merge FC fixes).
   Fixed by Nicolas François <nicolas.francois@centraliens.net>,
-- useradd: allways remove group and gshadow databases lock, Fixed by Nicolas
+- useradd: always remove group and gshadow databases lock, Fixed by Nicolas
   François <nicolas.francois@centraliens.net>
   (http://bugs.debian.org/348250)
 - auditing fixes:
@@ -848,14 +848,14 @@ shadow-4.0.14 -> shadow-4.0.15						13-03-2006
     added audit_logger() prototype),
   - useradd: fixed excess audit_logger() argument,
 - chage: added missing \n on display password status if password must be
-  chaged,
+  changed,
 - useradd: fixed allow non-unique UID (http://bugs.debian.org/351281),
-- variouse code cleanups for make possible compilation of shadow with -Wall
+- various code cleanups for make possible compilation of shadow with -Wall
   -Werror (by Alexander Gattin <xrgtn@yandex.ru>),
 - su: move exit() outside libmisc/shell.c::shell() for handle shell() errors
   on higher level (now is better visable where some programs exit with 126
   and 127 exit codes); added new shell() parameter (char *const envp[])
-  which allow fix preserving enviloment in su on using -p, (patch by
+  which allow fix preserving enviroment in su on using -p, (patch by
   Alexander Gattin <xrgtn@yandex.ru>),
 - su: added handle -c,--command option for GNU su compliance (merge
   437_su_-c_option Debian patch),
@@ -903,7 +903,7 @@ shadow-4.0.13 -> shadow-4.0.14						03-01-2006
 - userdel: make the -f option force the removal of the user's group (even if it
   is the primary group of another user)
   (merge 453_userdel_-f_removes_group Debian patch),
-- usermod: rewrited for use getopt_long() (Christian Perrier <bubulle@kheops.frmug.org>),
+- usermod: rewritten for use getopt_long() (Christian Perrier <bubulle@kheops.frmug.org>),
 - grpck: fixed segmentation fault on using -s when /etc/gshadow is empty (fix by
   Tomasz Lemiech <szpajder@staszic.waw.pl>),
 - passwd: remove handle -f, -g and -s options.
@@ -912,7 +912,7 @@ shadow-4.0.13 -> shadow-4.0.14						03-01-2006
   Nicolas François <nicolas.francois@centraliens.net>)
 - su: export $USER and $SHELL as well as $HOME (http://bugs.debian.org/11003 and
   http://bugs.debian.org/11189),
-- su, vipw: rewrited for use getopt_long(),
+- su, vipw: rewritten for use getopt_long(),
 - su: log successful/failed through syslog (http://bugs.debian.org/190215),
 - updated translations: ca, cs, da, eu, fi, fr, it, pl, pt, ru, sv, tl, vi,
 - new translations: gl.
@@ -946,7 +946,7 @@ shadow-4.0.12 -> shadow-4.0.13						10-10-2005
 
 *** general:
 - chage: removed duplicated pam_start(),
-- chfn, chsh: finished PAM support usin pam_start() and co.,
+- chfn, chsh: finished PAM support using pam_start() and co.,
 - userdel: userdel should not remove the group which is primary for someone else
   (fix by Nicolas François <nicolas.francois@centraliens.net>
   http://bugs.debian.org/295416),
@@ -955,7 +955,7 @@ shadow-4.0.12 -> shadow-4.0.13						10-10-2005
 - fixedlib/commonio.c: don't assume selinux is enabled if is_selinux_enabled()
   returns -1 (merge isSelinuxEnabled FC patch by Jeremy Katz <katzj@redhat.com>),
 - login, su (non-PAM case): fixed setup max address space limits (added missing break
-  statement in case) spoted by Lasse Collin <lasse.collin@tukaani.org>,
+  statement in case) spotted by Lasse Collin <lasse.collin@tukaani.org>,
 - auditing support added. Patch prepared by Peter Vrabec <pvrabec@redhat.com> basing
   on work by Steve Grubb from http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159215
   Now auditing support have commands: chage, gpasswd, groupadd, groupdel, groupmod,
@@ -972,12 +972,12 @@ shadow-4.0.12 -> shadow-4.0.13						10-10-2005
   This will permit to adduser Debian script to detect if chage failed because the
   system doesn't have shadowed passwords (fix for http://bugs.debian.org/317012),
 - merge 010_more-i18ned-messages Debian patch which adds i18n support for few
-  more messages (orginaly patch was prepared by Guillem Jover <guillem@debian.org>),
+  more messages (originally patch was prepared by Guillem Jover <guillem@debian.org>),
 - lastlog: added handle -b option which allow print only lastlog records older than
   specified DAYS (fix by <miles@lubin.us>),
 - chpasswd, gpasswd, newusers: fixed libmisc/salt.c for use login.defs::MD5_CRYPT_ENAB
   only if PAM support is disabled (fix by John Gatewood Ham <zappaman@buraphalinux.org>),
-- passwd: rewrited for use getopt_long(),
+- passwd: rewritten for use getopt_long(),
 - newgrp: when newgrp process sits between parent and child shells, it should
   propagate STOPs from child to parent and CONTs from parent to child,
   otherwise e.g. bash's "suspend" command won't work
@@ -987,11 +987,11 @@ shadow-4.0.12 -> shadow-4.0.13						10-10-2005
 - chsh(1), groupadd(8), newusers(8), pwconv(8), useradd(8), userdel(8), usermod(8):
   added missing references to /etc/login.defs and login.defs(5)
   (Christian Perrier <bubulle@kheops.frmug.org>),
-- passwd(5): rewrited based on work by Greg Wooledge <greg@wooledge.org>
+- passwd(5): rewritten based on work by Greg Wooledge <greg@wooledge.org>
   http://bugs.debian.org/328113
 - login(1): added securetty(5) to SEE ALSO section
   (fixed Debian bug http://bugs.debian.org/325773),
-- groupadd(8), useradd(8): fix regular expression describing alloved login/group
+- groupadd(8), useradd(8): fix regular expression describing allowed login/group
   names (pointed by Nicolas François <nicolas.francois@centraliens.net>)
   (correct is [a-z_][a-z0-9_-]*[$]),
 - groupadd(8), useradd(8): documents in CAVEATS section the limitations shadow
@@ -1001,9 +1001,9 @@ shadow-4.0.12 -> shadow-4.0.13						10-10-2005
 shadow-4.0.11.1 -> shadow-4.0.12					22-08-2005
 
 *** general:
-- newgrp, login: remove using login.defs::CLOSE_SESSIONS variable and allways 
+- newgrp, login: remove using login.defs::CLOSE_SESSIONS variable and always 
   close PAM session,
-- fixed configure.in: realy enable shadow group support by default (pointed by 
+- fixed configure.in: really enable shadow group support by default (pointed by 
   Greg Schafer <gschafer@zip.com.au> and Peter Vrabec <pvrabec@redhat.com>),
 - login.defs: removed handle QMAIL_DIR variable,
 - login: allow regular user to login on read-only root file system (not only for root)
@@ -1028,9 +1028,9 @@ shadow-4.0.11.1 -> shadow-4.0.12					22-08-2005
   period and permit brute-force attacks (fixed http://bugs.debian.org/288827),
 - uClibc fixes (by Martin Schlemmer <azarah@nosferatu.za.org>):
   added require ngettext (added [need-ngettext] to AM_GNU_GETTEXT() parameters)
-  and stub prototype for ngettext() in lib/prototypes.h (neccessary if shadow
+  and stub prototype for ngettext() in lib/prototypes.h (necessary if shadow
   compiled with disabled NLS support)
-- groupadd: rewrited for use getopt_long(),
+- groupadd: rewritten for use getopt_long(),
 - groupadd, groupdel, groupmod, userdel: do OPENLOG() before pam_start(),
 - groupadd: fixed double OPENLOG(),
 - removed lib/{grpack,gspack,pwpack,sppack}.c and prototypes from lib/prototypes.h
@@ -1066,7 +1066,7 @@ shadow-4.0.10 -> shadow-4.0.11						18-07-2005
 - su: ignore SIGINT while authenticating. A ^C could defeat the waiting period and
   permit brute-force attacks. Also ignore SIGQUIT.
   Fixed: http://bugs.debian.org/52372 and http://bugs.debian.org/288827
-- useradd: rewrited for use getopt_long(),
+- useradd: rewritten for use getopt_long(),
 - newgrp: add fix for handle splitted NIS groups: extends the functionality that,
   if the requested group is given, all groups of the same GID are tested for
   membership of the requesting user.
@@ -1097,7 +1097,7 @@ shadow-4.0.10 -> shadow-4.0.11						18-07-2005
 - updated translations: cs, da, de, es, fi, pl, pt, ro, ru, sk.
 *** documentation:
 - pwck(8): document -q option (based on Debian patch for fix http://bugs.debian.org/309408)
-- pwck(8): rewrited OPTIONS section and better SYNOPSIS,
+- pwck(8): rewritten OPTIONS section and better SYNOPSIS,
 - lastlog(8): document that lastlog is a sparse file, and don't need to be rotated
   http://bugs.debian.org/219321
 - login(8): better explain the respective roles of login, init and getty with regards
@@ -1111,12 +1111,12 @@ shadow-4.0.9 -> shadow-4.0.10						28-06-2005
 
 *** general:
 - mkpasswd: removed,
-- userdel: now deletes user groups from /etc/gshdow as well as /etc/group.
+- userdel: now deletes user groups from /etc/gshadow as well as /etc/group.
   Fix by Nicolas François <nicolas.francois@centraliens.net>.
   http://bugs.debian.org/99442
 - usermod: when relocating a user's home directory, don't fail and remove the new
   home directory if we can't remove the old home directory for some
-  reason; the results can be spectularly poort if, for instance, only
+  reason; the results can be spectacularly poor if, for instance, only
   the rmdir() fails. Patch prepared by Timo Lindfors <lindi-spamtrap@newmail.com>.
   http://bugs.debian.org/166369
 - su: fix syslogs to be less ambiguous. Use old:new format instead of old-new
@@ -1124,7 +1124,7 @@ shadow-4.0.9 -> shadow-4.0.10						28-06-2005
   http://bugs.debian.org/213592
 - removed not used now libmisc/setup.c,
 - login: use also UTMPX API instead UTMP on failure (login was affected for this
-  when shadow was builded without PAM support)
+  when shadow was built without PAM support)
   patch by Nicolas François <nicolas.francois@centraliens.net>
 - login: the PAM session needs to be closed as root, thus before change_uid()
   http://bugs.debian.org/53570 http://bugs.debian.org/195048 http://bugs.debian.org/211884
@@ -1135,12 +1135,12 @@ shadow-4.0.9 -> shadow-4.0.10						28-06-2005
   http://bugs.debian.org/48002
 - login: fixed username on succesful login (was using the normal username,
   when it should have used pam_user) http://bugs.debian.org/47819
-- remove using SHADOWPWD #define so now shadow is allways builded with shadow
-  passwowd support,
-- chage: rewrited for use getopt_long(),
+- remove using SHADOWPWD #define so now shadow is always built with shadow
+  password support,
+- chage: rewritten for use getopt_long(),
 - updated translations: ca, cs, da, fi, pl, ru, zh_TW.
 *** documentation:
-- most of the man pages now are generated from XML files so in case submiting any
+- most of the man pages now are generated from XML files so in case submitting any
   chages to this resources please make diff to XML files,
 - chfn: give more details about the influence of login.defs on what's allowed to
   users.
@@ -1148,7 +1148,7 @@ shadow-4.0.9 -> shadow-4.0.10						28-06-2005
 shadow-4.0.8 -> shadow-4.0.9						23-05-2005
 
 *** general:
-- passwd: fixed segfault in non-PAM connfiguration
+- passwd: fixed segfault in non-PAM configuration
   (submited by Greg Schafer <gschafer@zip.com.au>),
 - newgrp: fixed NULL pointer dereference - getlogin() and ttyname() can
   return NULL which is not checked (http://bugs.debian.org/162303),
@@ -1170,15 +1170,15 @@ shadow-4.0.7 -> shadow-4.0.8						26-04-2005
 - configure.in: add using AC_GNU_SOURCE macro for kill compilation warnings about
   implicit declaration of function `fseeko',
 - faillog: changed faillog record display format for allow fit in 80 columns all
-  faillog atributies,
+  faillog attributes,
 - removed NDBM code (unused),
-- fixed use of SU_WHEEL_ONLY in su. Now su realy is avalaible for wheel group
+- fixed use of SU_WHEEL_ONLY in su. Now su really is available for wheel group
   members. Thanks to Mike Frysinger <vapier@gentoo.org> for report:
   http://bugs.gentoo.org/show_bug.cgi?id=80345
 - drop never finished kerberos and des_rpc support (for kerberos support back firs
   must be prepared modularization),
 - fixed UTMP path detection (by Kelledin <kelledin@users.sf.net>),
-- useradd: rewrited group count to dynamic (by John Newbigin
+- useradd: rewritten group count to dynamic (by John Newbigin
   <jnewbigin@ict.swin.edu.au>),
 - login: fixed create lastlog entry fo users never loged in on non-PAM
   variant of login (fix by <oracular@ziplip.com>),
@@ -1193,7 +1193,7 @@ shadow-4.0.7 -> shadow-4.0.8						26-04-2005
   fchmod() is executed. (Actually, we could also pass the final "mode" to
   the open() call and then save the consequent fchmod().)
 - SELinux changes: added changes in chage, chfn, chsh, passwd for allow
-  construct more grained user password/accuunt properties on SELinux
+  construct more grained user password/account properties on SELinux
   policies level. Patch originally based on RH changes (submited by Chris
   PeBenito <pebenito@gentoo.org>),
 - added SELinux changes: in libmisc/copydir.c (based on Fedora patch),
@@ -1211,7 +1211,7 @@ shadow-4.0.7 -> shadow-4.0.8						26-04-2005
 - newgrp(1): fix #251926, #166173, #113191 Debian bugs: explain why editing /etc/group   
   (without gshadow) doesn't permit to use newgrp,
 - newgrp(1): newgrp uses /bin/sh (not bash),
-- faillog(8): updated after rewrited faillog command for use getopt_long(),
+- faillog(8): updated after rewritten faillog command for use getopt_long(),
 - login(1): removed fragment about abilities pass enviroment variables in login prompt,
 - gshadow(5): new file (by Nicolas Nicolas François <nicolas.francois@centraliens.net>),
 - usermod(8): fixed #302388 Debian bug: added separated -o option description,
@@ -1229,24 +1229,24 @@ shadow-4.0.6 -> shadow-4.0.7						26-01-2005
 -- use fseeko() instead fseek() and remove casting file offsets to unsigned
    long.
 - lastlog:
--- rewrited source code using the same style as in chpasswd.c,
--- open lastlog file after finish parse comman line optiomns
-   (now --help otput can be displayd for users without lastlog
+-- rewritten source code using the same style as in chpasswd.c,
+-- open lastlog file after finish parse commandline options
+   (now --help output can be displayed for users without lastlog
    file read permission),
 -- cleanups in lastlog(8) man page using the same style as in
    chpasswd(8).
 - chpasswd:
 -- switch chpasswd to use getopt_long() and adds a --md5 option
    (by Ian Gulliver <ian@penguinhosting.net>),
--- rewrited chpasswd(8) man page.  
+-- rewritten chpasswd(8) man page.  
 
 shadow-4.0.5 -> shadow-4.0.6						08-11-2004
 
 - su: fixed adding of pam_env env variables to enviroment
   (Martin Schlemmer <azarah@nosferatu.za.org>),
 - autoconf: fixed filling MAIL_SPOOL_DIR and MAIL_SPOOL_FILE variables
-  which was allways empty (Gregorio Guidi <g.guidi@sns.it>),
-- realuy closse security bug in libmisc/pwdcheck.c,
+  which was always empty (Gregorio Guidi <g.guidi@sns.it>),
+- really close security bug in libmisc/pwdcheck.c,
 - added missing template/example PAM service config files for chfn, chsh and
   userdel,
 - do not translate variable names from /etc/default/useradd during
@@ -1257,10 +1257,10 @@ shadow-4.0.4.1 -> shadow-4.0.5						27-10-2004
 - change libmisc to private static library,
 - added SELinux support (basing on patch from Gentoo),
 - chage: more verbose/human readable -l output. This output is much more
-  beter for send directly via email for each users as message with account
+  better for send directly via email for each users as message with account
   status (for example as message with warning about account/password expiration),
 - login: fixed handle -f option: now it works correctly without specify "-h
-  <host>" if open login session localy is required (thanks for help
+  <host>" if open login session locally is required (thanks for help
   investigate bug for Krzysztof Kotlenga),
 - userdel: when removing a user with userdel, userdel was always exits with 1 (fixed).
   Based on http://bugs.gentoo.org/show_bug.cgi?id=66687,
@@ -1274,7 +1274,7 @@ shadow-4.0.4.1 -> shadow-4.0.5						27-10-2004
   makes httpd Option SymlinkIfOwnerMatch break for default weg pages
   including symlinks placed into /etc/skel/public_html for example.
   http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=66819
-- su: add pam_open_session() support. If builded without PAM support
+- su: add pam_open_session() support. If built without PAM support
   propagate $DISPLAY and $XAUTHORITY enviroment variables.
   Based on http://www.gentoo.org/cgi-bin/viewcvs.cgi/sys-apps/shadow/files/shadow-4.0.4.1-su-pam_open_session.patch?rev=1.1
 - applied 036_pam_access_with_preauth.patch Debian patch submited by Bjorn
@@ -1287,11 +1287,11 @@ shadow-4.0.4.1 -> shadow-4.0.5						27-10-2004
     Use constant strings rather than argv[0] for syslog ident in the user
     management commands,
   shadow-4.0.4.1-owl-tmp.diff:
-    Remove using mktemp() if mkstemp() prototype not found (use allways mkstemp()),
+    Remove using mktemp() if mkstemp() prototype not found (use always mkstemp()),
   shadow-4.0.4.1-owl-check-reads.diff:
     Add checking for read errors in commonio and vipw/vigr (not doing so could
     result in data loss when the records are written back),
-- fixed securirty bug in libmisc/pwdcheck.c which allow unauthorized
+- fixed security bug in libmisc/pwdcheck.c which allow unauthorized
   account properties modification.
   Affected tools: chfn and chsh.
   Bug was discovered by Martin Schulze <joey@infodrom.org>.
@@ -1307,12 +1307,12 @@ shadow-4.0.4.1 -> shadow-4.0.5						27-10-2004
 
 shadow-4.0.4 => shadow-4.0.4.1						14-01-2004
 - bug fixes in automake files for generate correct tar ball on "make dist":
-  added mising "EXTRA_DIST = $(man_MANS)" in man/*/Makefile.am.
+  added missing "EXTRA_DIST = $(man_MANS)" in man/*/Makefile.am.
 
 shadow-4.0.3 => shadow-4.0.4						14-01-2004	
 
 *** general:
-- added missing information about -f options in groupadd usage mesage
+- added missing information about -f options in groupadd usage message
   (document this also in man page),
 - removed TCFS support (tcfs is dead),
 - convert all po/*.po files to utf-8,
@@ -1320,7 +1320,7 @@ shadow-4.0.3 => shadow-4.0.4						14-01-2004
   per service flushing method instead HUPing nscd process),
 - removed old AUTH_METHODS dependent code,
 - chage: now all code depend on SHADOWPWD. If shadow will not be configured
-  on autoconf level for using shadow possword chage is olny stub which
+  on autoconf level for using shadow password chage is olny stub which
   informs "chage not configured for shadow password support."
 - dpasswd: removed,
 - login: remove handle login.defs::DIALUPS_CHECK_ENAB code,
@@ -1328,7 +1328,7 @@ shadow-4.0.3 => shadow-4.0.4						14-01-2004
 - ALL tools, libraries: remove old SVR4, SVR4_SI86_EUA BSD_QUOTA and ATT_AGE
   dependent code,
 - ALL: ready for gettext 0.11.5, automake 1.7.4, autoconf 2.57,
-- logoutd, userd: handle also utmpx if avalaile,
+- logoutd, userd: handle also utmpx if available,
 - newgrp: fix for non-PAM version
   Use CLOSE_SESSIONS depending code only when USE_PAM.
   The problem was reported by Mattias Webjorn Eriksson using Slackware
@@ -1356,7 +1356,7 @@ shadow-4.0.3 => shadow-4.0.4						14-01-2004
 
 shadow-4.0.2 => shadow-4.0.3						 13-03-2002
 
-- added variouse cs, de, fr, id, it, ko man pages found mainly in national
+- added various cs, de, fr, id, it, ko man pages found mainly in national
   man pages translations projects (this documents are not synced with
   current en version but you know .. "Documentations is lik sex. When it is
   good it very very good. Whet it is bad it is better than nothing."). Any
@@ -1372,9 +1372,9 @@ shadow-4.0.2 => shadow-4.0.3						 13-03-2002
 shadow-4.0.1 => shadow-4.0.2						 17-02-2002
 
 - resolve many fuzzy translations also all this which may cause problems on
-  displaing long uid/gid,
-- allow use "$" on ending in cereated by useradd usermname accounts for allow
-  create machine acounts for samba (thanks to Jerome Borsboom
+  displaying long uid/gid,
+- allow use "$" on ending in created by useradd username accounts for allow
+  create machine accounts for samba (thanks to Jerome Borsboom
   <borsboom@tch.fgg.eur.nl> for point this problem in 4.0.1),
 - fix small but ugly bug in configure.in in libpam_mics library detection.
 
@@ -1394,7 +1394,7 @@ shadow-4.0.0 => shadow-4.0.1
     as root.  If root does read-only, there's no lock needed. Added missing
     "#include <errno.h>" for above (me).
   shadow-4.0.0-owl-warnings.diff
-    Olny one fix from this patch was aplayd because other was fixed few days
+    Olny one fix from this patch was applied because other was fixed few days
     before :)
   shadow-4.0.0-owl-check_names.diff
     Merge only prat this patch with checking login name matching; checking
@@ -1402,7 +1402,7 @@ shadow-4.0.0 => shadow-4.0.1
     probably _POSIX_LOGIN_NAME_MAX from <bits/posix1_lim.h>,
   shadow-4.0.0-owl-chage-drop-priv.diff
   shadow-4.0.0-owl-pam-auth.diff
-    Merge part with reorder initialize PAM and checkin is chage is runed by
+    Merge part with reorder initialize PAM and checking if chage is runed by
     root or not - now chage can be runed from non-root account for checking
     by user own account information (if PAM enabled).
 - fixes for handle/print correctly 32bit uid/gid (Thorsten Kukuk <kukuk@suse.de>),
@@ -1446,30 +1446,30 @@ shadow-20001016 => shadow-4.0.0						 06-01-2002
 - much better automake support,
 - added pt_BR man pages for gpasswd(1), groupadd(8), groupdel(8),
   groupmod(8), shadow(5) (man pages for other nations also are welcome),
-- mamny small fixes and updates nad improvements in man pages,
-- aplayed Debian patch to man pages for shadowconfig,
+- many small fixes and updates nad improvements in man pages,
+- applied Debian patch to man pages for shadowconfig,
 - remove limit to 6 chars logged tty name (012_libmisc_sulog.c.diff Debian
   patch).
 
 shadow-20001012 -> shadow-20001016:
-- conditionaly disabled body reload_nscd() because not every
+- conditionally disabled body reload_nscd() because not every
   version of nscd can handle it (this can be enabled by define
   ENABLE_NSCD_SIGHUP) (Marek Michałkiewicz  <marekm@linux.org.pl>)
 - fixes on autoconf/automake level for dist target,
-- Julianne F. Haugh new contact adress.
+- Julianne F. Haugh new contact address.
 
 shadow-20000902 => shadow-20001012
 
-- removed /redhat directory with obsoleted files (partialy rewrited spec
+- removed /redhat directory with obsoleted files (partially rewritten spec
   file is now in root directory),
-- aplayed shadow-19990827-group.patch patch from RH wich prevents adduser
+- applied shadow-19990827-group.patch patch from RH wich prevents adduser
   overwrite previously existing groups in adduser,
 - added PAM support for chage (bind to "chage" PAM config file) also
   added PAM support for all other small tools like chpasswd, groupadd,
   groupdel, groupmod, newusers, useradd, userdel, usermod (bind to common 
-  "shadow" PAM config file) - this modificaytions mainly based on
+  "shadow" PAM config file) - this modifications mainly based on
   modifications prepared by Janek Rękojarski <baggins@pld.org.pl>,
-- many small fixes and improvments in automake (mow "make dist"
+- many small fixes and improvements in automake (mow "make dist"
   works correctly),
 - added cs translation (Jiri Pavlovsky <Jiri.Pavlovsky@ff.cuni.cz>).
 

README

@@ -2,18 +2,13 @@ Shadow SITES
 ============
 
 Homepage
-	http://pkg-shadow.alioth.debian.org/
+	http://github.com/shadow-maint/shadow
 
-FTP site
-	ftp://pkg-shadow.alioth.debian.org/pub/pkg-shadow
+Issue tracker
+	http://github.com/shadow-maint/shadow/issues
 
-SVN repository
-	anonymous read only access: svn://svn.debian.org/pkg-shadow/upstream
-
-SVN web interface
-	http://svn.debian.org/wsvn/pkg-shadow/upstream
-	or
-	http://svn.debian.org/viewsvn/pkg-shadow/upstream
+Releases
+	https://github.com/shadow-maint/shadow/releases
 
 Mailing lists
 	for general discuss: pkg-shadow-devel@lists.alioth.debian.org
@@ -44,6 +39,7 @@ a lot of mail...
 
 Adam Rudnicki <adam@v-lo.krakow.pl>
 Alan Curry <pacman@tardis.mars.net>
+Aleksa Sarai <cyphar@cyphar.com>
 Alexander O. Yuriev <alex@bach.cis.temple.edu>
 Algis Rudys <arudys@rice.edu>
 Andreas Jaeger <aj@arthur.rhein-neckar.de>
@@ -55,6 +51,7 @@ Brian R. Gaeke <brg@dgate.org>
 Calle Karlsson <ckn@kash.se>
 Chip Rosenthal <chip@unicom.com>
 Chris Evans <lady0110@sable.ox.ac.uk>
+Chris Lamb <chris@chris-lamb.co.uk>
 Cristian Gafton <gafton@sorosis.ro>
 Dan Walsh <dwalsh@redhat.com>
 Darcy Boese <possum@chardonnay.niagara.com>
@@ -62,6 +59,7 @@ Dave Hagewood <admin@arrowweb.com>
 David A. Holland <dholland@hcs.harvard.edu>
 David Frey <David.Frey@lugs.ch>
 Ed Carp <ecarp@netcom.com>
+Eric W. Biederman" <ebiederm@xmission.com>
 Floody <flood@evcom.net>
 Frank Denis <j@4u.net>
 George Kraft IV <gk4@us.ibm.com>
@@ -117,5 +115,7 @@ Maintainers
 ===========
 
 Tomasz Kłoczko <kloczek@pld.org.pl> (2000-2007)
-Nicolas François <nicolas.francois@centraliens.net> (2007-now)
+Nicolas François <nicolas.francois@centraliens.net> (2007-2014)
+Serge E. Hallyn <serge@hallyn.com> (2014-now)
+Christian Brauner <christian@brauner.io> (2019-now)
 

autogen.sh

@@ -1,12 +0,0 @@
-#! /bin/sh
-
-autoreconf -v -f --install || exit 1
-
-./configure \
-	CFLAGS="-O2 -Wall" \
-	--enable-man \
-	--enable-maintainer-mode \
-	--disable-shared \
-	--without-libpam \
-	--with-selinux \
-	"$@"

compile

@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

config.h.in

@@ -0,0 +1,630 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if account management tools should be installed setuid and
+   authenticate the callers */
+#undef ACCT_TOOLS_SETUID
+
+/* Define to 1 if translation of program messages to the user's native
+   language is requested. */
+#undef ENABLE_NLS
+
+/* Define to support the subordinate IDs. */
+#undef ENABLE_SUBIDS
+
+/* Path for faillog file. */
+#undef FAILLOG_FILE
+
+/* Define to the type of elements in the array set by `getgroups'. Usually
+   this is either `int' or `gid_t'. */
+#undef GETGROUPS_T
+
+/* max group name length */
+#undef GROUP_NAME_MAX_LENGTH
+
+/* Define to 1 if you have the declaration of 'pam_fail_delay' */
+#undef HAS_PAM_FAIL_DELAY
+
+/* Defined to 1 if you have the declaration of 'secure_getenv' */
+#undef HAS_SECURE_GETENV
+
+/* Define to 1 if you have the <acl/libacl.h> header file. */
+#undef HAVE_ACL_LIBACL_H
+
+/* Define to 1 if you have the <attr/error_context.h> header file. */
+#undef HAVE_ATTR_ERROR_CONTEXT_H
+
+/* Define to 1 if you have the <attr/libattr.h> header file. */
+#undef HAVE_ATTR_LIBATTR_H
+
+/* Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the
+   CoreFoundation framework. */
+#undef HAVE_CFLOCALECOPYCURRENT
+
+/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in
+   the CoreFoundation framework. */
+#undef HAVE_CFPREFERENCESCOPYAPPVALUE
+
+/* Define if the GNU dcgettext() function is already present or preinstalled.
+   */
+#undef HAVE_DCGETTEXT
+
+/* Define to 1 if you have the declaration of `PAM_DATA_SILENT', and to 0 if
+   you don't. */
+#undef HAVE_DECL_PAM_DATA_SILENT
+
+/* Define to 1 if you have the declaration of `PAM_DELETE_CRED', and to 0 if
+   you don't. */
+#undef HAVE_DECL_PAM_DELETE_CRED
+
+/* Define to 1 if you have the declaration of `PAM_ESTABLISH_CRED', and to 0
+   if you don't. */
+#undef HAVE_DECL_PAM_ESTABLISH_CRED
+
+/* Define to 1 if you have the declaration of `PAM_NEW_AUTHTOK_REQD', and to 0
+   if you don't. */
+#undef HAVE_DECL_PAM_NEW_AUTHTOK_REQD
+
+/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_DIRENT_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the `fchmod' function. */
+#undef HAVE_FCHMOD
+
+/* Define to 1 if you have the `fchown' function. */
+#undef HAVE_FCHOWN
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `fsync' function. */
+#undef HAVE_FSYNC
+
+/* Define to 1 if you have the `futimes' function. */
+#undef HAVE_FUTIMES
+
+/* Define to 1 if you have the `getaddrinfo' function. */
+#undef HAVE_GETADDRINFO
+
+/* Define to 1 if you have the `getgrgid_r' function. */
+#undef HAVE_GETGRGID_R
+
+/* Define to 1 if you have the `getgrnam_r' function. */
+#undef HAVE_GETGRNAM_R
+
+/* Define to 1 if you have the `getgroups' function. */
+#undef HAVE_GETGROUPS
+
+/* Define to 1 if you have the `gethostname' function. */
+#undef HAVE_GETHOSTNAME
+
+/* Define to 1 if you have the `getpwnam_r' function. */
+#undef HAVE_GETPWNAM_R
+
+/* Define to 1 if you have the `getpwuid_r' function. */
+#undef HAVE_GETPWUID_R
+
+/* Define to 1 if you have the `getspnam' function. */
+#undef HAVE_GETSPNAM
+
+/* Define to 1 if you have the `getspnam_r' function. */
+#undef HAVE_GETSPNAM_R
+
+/* Define if the GNU gettext() function is already present or preinstalled. */
+#undef HAVE_GETTEXT
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the `getusershell' function. */
+#undef HAVE_GETUSERSHELL
+
+/* Define to 1 if you have the `getutent' function. */
+#undef HAVE_GETUTENT
+
+/* Define to 1 if you have the <gshadow.h> header file. */
+#undef HAVE_GSHADOW_H
+
+/* Define if you have the iconv() function and it works. */
+#undef HAVE_ICONV
+
+/* Define to 1 if you have the `initgroups' function. */
+#undef HAVE_INITGROUPS
+
+/* Define to 1 if you have the `innetgr' function. */
+#undef HAVE_INNETGR
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `l64a' function. */
+#undef HAVE_L64A
+
+/* Define to 1 if you have the <lastlog.h> header file. */
+#undef HAVE_LASTLOG_H
+
+/* Define to 1 if you have the `lchown' function. */
+#undef HAVE_LCHOWN
+
+/* Define to 1 if you have the `lckpwdf' function. */
+#undef HAVE_LCKPWDF
+
+/* Defined if you have libcrack. */
+#undef HAVE_LIBCRACK
+
+/* Defined if you have the ts&szs cracklib. */
+#undef HAVE_LIBCRACK_HIST
+
+/* Defined if it includes *Pw functions. */
+#undef HAVE_LIBCRACK_PW
+
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define to 1 if you have the <linux/btrfs_tree.h> header file. */
+#undef HAVE_LINUX_BTRFS_TREE_H
+
+/* Define to 1 if you have the <linux/magic.h> header file. */
+#undef HAVE_LINUX_MAGIC_H
+
+/* Define if struct lastlog has ll_host */
+#undef HAVE_LL_HOST
+
+/* Define to 1 if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
+/* Define to 1 if you have the `lstat' function. */
+#undef HAVE_LSTAT
+
+/* Define to 1 if you have the `lutimes' function. */
+#undef HAVE_LUTIMES
+
+/* Define to 1 if you have the `memcpy' function. */
+#undef HAVE_MEMCPY
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if you have the `mkdir' function. */
+#undef HAVE_MKDIR
+
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+#undef HAVE_NDIR_H
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <paths.h> header file. */
+#undef HAVE_PATHS_H
+
+/* Define to 1 if you have the `putgrent' function. */
+#undef HAVE_PUTGRENT
+
+/* Define to 1 if you have the `putpwent' function. */
+#undef HAVE_PUTPWENT
+
+/* Define to 1 if you have the `putspent' function. */
+#undef HAVE_PUTSPENT
+
+/* Define to 1 if you have the `rename' function. */
+#undef HAVE_RENAME
+
+/* Define to 1 if you have the `rmdir' function. */
+#undef HAVE_RMDIR
+
+/* Define to 1 if you have the <rpc/key_prot.h> header file. */
+#undef HAVE_RPC_KEY_PROT_H
+
+/* Define to 1 if you have the `ruserok' function. */
+#undef HAVE_RUSEROK
+
+/* Define to 1 if you have the <security/openpam.h> header file. */
+#undef HAVE_SECURITY_OPENPAM_H
+
+/* Define to 1 if you have the <security/pam_misc.h> header file. */
+#undef HAVE_SECURITY_PAM_MISC_H
+
+/* Define to 1 if you have the <selinux/selinux.h> header file. */
+#undef HAVE_SELINUX_SELINUX_H
+
+/* Define to 1 if you have the <semanage/semanage.h> header file. */
+#undef HAVE_SEMANAGE_SEMANAGE_H
+
+/* Define to 1 if you have the `setgroups' function. */
+#undef HAVE_SETGROUPS
+
+/* Define to 1 if you have the `sgetgrent' function. */
+#undef HAVE_SGETGRENT
+
+/* Define to 1 if you have the `sgetpwent' function. */
+#undef HAVE_SGETPWENT
+
+/* Define to 1 if you have the `sgetspent' function. */
+#undef HAVE_SGETSPENT
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#undef HAVE_SGTTY_H
+
+/* Have working shadow group support in libc */
+#undef HAVE_SHADOWGRP
+
+/* Define to 1 if you have the `sigaction' function. */
+#undef HAVE_SIGACTION
+
+/* Define to 1 if you have the `snprintf' function. */
+#undef HAVE_SNPRINTF
+
+/* Define to 1 if stdbool.h conforms to C99. */
+#undef HAVE_STDBOOL_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the `strftime' function. */
+#undef HAVE_STRFTIME
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strstr' function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if `st_atim' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_ATIM
+
+/* Define to 1 if `st_atimensec' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_ATIMENSEC
+
+/* Define to 1 if `st_mtim' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_MTIM
+
+/* Define to 1 if `st_mtimensec' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_MTIMENSEC
+
+/* Define to 1 if `st_rdev' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_RDEV
+
+/* Define to 1 if `ut_addr' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_ADDR
+
+/* Define to 1 if `ut_addr_v6' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_ADDR_V6
+
+/* Define to 1 if `ut_host' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_HOST
+
+/* Define to 1 if `ut_name' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_NAME
+
+/* Define to 1 if `ut_syslen' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_SYSLEN
+
+/* Define to 1 if `ut_time' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_TIME
+
+/* Define to 1 if `ut_xtime' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_XTIME
+
+/* Define to 1 if `ut_addr' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ADDR
+
+/* Define to 1 if `ut_addr_v6' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ADDR_V6
+
+/* Define to 1 if `ut_host' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_HOST
+
+/* Define to 1 if `ut_id' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ID
+
+/* Define to 1 if `ut_name' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_NAME
+
+/* Define to 1 if `ut_syslen' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_SYSLEN
+
+/* Define to 1 if `ut_time' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TIME
+
+/* Define to 1 if `ut_tv' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TV
+
+/* Define to 1 if `ut_type' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TYPE
+
+/* Define to 1 if `ut_user' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_USER
+
+/* Define to 1 if `ut_xtime' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_XTIME
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/capability.h> header file. */
+#undef HAVE_SYS_CAPABILITY_H
+
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_DIR_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_NDIR_H
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define to 1 if you have the <sys/statfs.h> header file. */
+#undef HAVE_SYS_STATFS_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the <tcb.h> header file. */
+#undef HAVE_TCB_H
+
+/* Define to 1 if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define to 1 if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define to 1 if you have the <ulimit.h> header file. */
+#undef HAVE_ULIMIT_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `updwtmp' function. */
+#undef HAVE_UPDWTMP
+
+/* Define to 1 if you have the `updwtmpx' function. */
+#undef HAVE_UPDWTMPX
+
+/* Define to 1 if you have the <utime.h> header file. */
+#undef HAVE_UTIME_H
+
+/* Define to 1 if `utime(file, NULL)' sets file's timestamp to the present. */
+#undef HAVE_UTIME_NULL
+
+/* Define to 1 if you have the <utmpx.h> header file. */
+#undef HAVE_UTMPX_H
+
+/* Define to 1 if you have the <utmp.h> header file. */
+#undef HAVE_UTMP_H
+
+/* Define to 1 if the system has the type `_Bool'. */
+#undef HAVE__BOOL
+
+/* Path for lastlog file. */
+#undef LASTLOG_FILE
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Location of system mail spool directory. */
+#undef MAIL_SPOOL_DIR
+
+/* Name of user's mail spool file if stored in user's home directory. */
+#undef MAIL_SPOOL_FILE
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Path to passwd program. */
+#undef PASSWD_PROGRAM
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#undef RETSIGTYPE
+
+/* Define if login should support the -r flag for rlogind. */
+#undef RLOGIN
+
+/* Define to the ruserok() "success" return value (0 or 1). */
+#undef RUSEROK
+
+/* Define to support the shadow group file. */
+#undef SHADOWGRP
+
+/* PAM conversation to use */
+#undef SHADOW_PAM_CONVERSATION
+
+/* The default shell. */
+#undef SHELL
+
+/* The size of `gid_t', as computed by sizeof. */
+#undef SIZEOF_GID_T
+
+/* The size of `uid_t', as computed by sizeof. */
+#undef SIZEOF_UID_T
+
+/* Define to support S/Key logins. */
+#undef SKEY
+
+/* Define to support newer BSD S/Key API */
+#undef SKEY_BSD_STYLE
+
+/* Define to 1 if the `S_IS*' macros in <sys/stat.h> do not work properly. */
+#undef STAT_MACROS_BROKEN
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to support /etc/suauth su access control. */
+#undef SU_ACCESS
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Define to allow the bcrypt password encryption algorithm */
+#undef USE_BCRYPT
+
+/* Define to support flushing of nscd caches */
+#undef USE_NSCD
+
+/* Define to support Pluggable Authentication Modules */
+#undef USE_PAM
+
+/* Define to allow the SHA256 and SHA512 password encryption algorithms */
+#undef USE_SHA_CRYPT
+
+/* Define to support flushing of sssd caches */
+#undef USE_SSSD
+
+/* Define to use syslog(). */
+#undef USE_SYSLOG
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
+/* Define if utmpx should be used */
+#undef USE_UTMPX
+
+/* Version number of package */
+#undef VERSION
+
+/* Build shadow with ACL support */
+#undef WITH_ACL
+
+/* Build shadow with Extended Attributes support */
+#undef WITH_ATTR
+
+/* Define if you want to enable Audit messages */
+#undef WITH_AUDIT
+
+/* Build shadow with BtrFS support */
+#undef WITH_BTRFS
+
+/* Build shadow with SELinux support */
+#undef WITH_SELINUX
+
+/* Build with su */
+#undef WITH_SU
+
+/* Build shadow with tcb support (incomplete) */
+#undef WITH_TCB
+
+/* Enable large inode numbers on Mac OS X 10.5.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to 1 if on MINIX. */
+#undef _MINIX
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#undef _POSIX_1_SOURCE
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#undef _POSIX_SOURCE
+
+/* Path for utmp file. */
+#undef _UTMP_FILE
+
+/* Path for wtmp file. */
+#undef _WTMP_FILE
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef gid_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef mode_t
+
+/* Define to `long int' if <sys/types.h> does not define. */
+#undef off_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef pid_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef uid_t

config.rpath

@@ -0,0 +1,614 @@
+#! /bin/sh
+# Output a system dependent set of variables, describing how to set the
+# run time search path of shared libraries in an executable.
+#
+#   Copyright 1996-2006 Free Software Foundation, Inc.
+#   Taken from GNU libtool, 2001
+#   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+#   This file is free software; the Free Software Foundation gives
+#   unlimited permission to copy and/or distribute it, with or without
+#   modifications, as long as this notice is preserved.
+#
+# The first argument passed to this file is the canonical host specification,
+#    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or
+#    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
+# should be set by the caller.
+#
+# The set of defined variables is at the end of this script.
+
+# Known limitations:
+# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
+#   than 256 bytes, otherwise the compiler driver will dump core. The only
+#   known workaround is to choose shorter directory names for the build
+#   directory and/or the installation directory.
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+shrext=.so
+
+host="$1"
+host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+
+# Code taken from libtool.m4's _LT_CC_BASENAME.
+
+for cc_temp in $CC""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
+
+# Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
+
+wl=
+if test "$GCC" = yes; then
+  wl='-Wl,'
+else
+  case "$host_os" in
+    aix*)
+      wl='-Wl,'
+      ;;
+    darwin*)
+      case $cc_basename in
+        xlc*)
+          wl='-Wl,'
+          ;;
+      esac
+      ;;
+    mingw* | pw32* | os2*)
+      ;;
+    hpux9* | hpux10* | hpux11*)
+      wl='-Wl,'
+      ;;
+    irix5* | irix6* | nonstopux*)
+      wl='-Wl,'
+      ;;
+    newsos6)
+      ;;
+    linux*)
+      case $cc_basename in
+        icc* | ecc*)
+          wl='-Wl,'
+          ;;
+        pgcc | pgf77 | pgf90)
+          wl='-Wl,'
+          ;;
+        ccc*)
+          wl='-Wl,'
+          ;;
+        como)
+          wl='-lopt='
+          ;;
+        *)
+          case `$CC -V 2>&1 | sed 5q` in
+            *Sun\ C*)
+              wl='-Wl,'
+              ;;
+          esac
+          ;;
+      esac
+      ;;
+    osf3* | osf4* | osf5*)
+      wl='-Wl,'
+      ;;
+    sco3.2v5*)
+      ;;
+    solaris*)
+      wl='-Wl,'
+      ;;
+    sunos4*)
+      wl='-Qoption ld '
+      ;;
+    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+      wl='-Wl,'
+      ;;
+    sysv4*MP*)
+      ;;
+    unicos*)
+      wl='-Wl,'
+      ;;
+    uts4*)
+      ;;
+  esac
+fi
+
+# Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
+
+hardcode_libdir_flag_spec=
+hardcode_libdir_separator=
+hardcode_direct=no
+hardcode_minus_L=no
+
+case "$host_os" in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+esac
+
+ld_shlibs=yes
+if test "$with_gnu_ld" = yes; then
+  # Set some defaults for GNU ld with shared library support. These
+  # are reset later if shared libraries are not supported. Putting them
+  # here allows them to be overridden if necessary.
+  # Unlike libtool, we use -rpath here, not --rpath, since the documented
+  # option of GNU ld is called -rpath, not --rpath.
+  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+  case "$host_os" in
+    aix3* | aix4* | aix5*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+        ld_shlibs=no
+      fi
+      ;;
+    amigaos*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+      # that the semantics of dynamic libraries on AmigaOS, at least up
+      # to version 4, is to share data among multiple programs linked
+      # with the same dynamic library.  Since this doesn't match the
+      # behavior of shared libraries on other platforms, we cannot use
+      # them.
+      ld_shlibs=no
+      ;;
+    beos*)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    cygwin* | mingw* | pw32*)
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec='-L$libdir'
+      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    interix3*)
+      hardcode_direct=no
+      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+      ;;
+    linux*)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    netbsd*)
+      ;;
+    solaris*)
+      if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+        ld_shlibs=no
+      elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+          ld_shlibs=no
+          ;;
+        *)
+          if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+            hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+          else
+            ld_shlibs=no
+          fi
+          ;;
+      esac
+      ;;
+    sunos4*)
+      hardcode_direct=yes
+      ;;
+    *)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+  esac
+  if test "$ld_shlibs" = no; then
+    hardcode_libdir_flag_spec=
+  fi
+else
+  case "$host_os" in
+    aix3*)
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L=yes
+      if test "$GCC" = yes; then
+        # Neither direct hardcoding nor static linking is supported with a
+        # broken collect2.
+        hardcode_direct=unsupported
+      fi
+      ;;
+    aix4* | aix5*)
+      if test "$host_cpu" = ia64; then
+        # On IA64, the linker does run time linking by default, so we don't
+        # have to do anything special.
+        aix_use_runtimelinking=no
+      else
+        aix_use_runtimelinking=no
+        # Test if we are trying to use run time linking or normal
+        # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+        # need to do runtime linking.
+        case $host_os in aix4.[23]|aix4.[23].*|aix5*)
+          for ld_flag in $LDFLAGS; do
+            if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+              aix_use_runtimelinking=yes
+              break
+            fi
+          done
+          ;;
+        esac
+      fi
+      hardcode_direct=yes
+      hardcode_libdir_separator=':'
+      if test "$GCC" = yes; then
+        case $host_os in aix4.[012]|aix4.[012].*)
+          collect2name=`${CC} -print-prog-name=collect2`
+          if test -f "$collect2name" && \
+            strings "$collect2name" | grep resolve_lib_name >/dev/null
+          then
+            # We have reworked collect2
+            hardcode_direct=yes
+          else
+            # We have old collect2
+            hardcode_direct=unsupported
+            hardcode_minus_L=yes
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_libdir_separator=
+          fi
+          ;;
+        esac
+      fi
+      # Begin _LT_AC_SYS_LIBPATH_AIX.
+      echo 'int main () { return 0; }' > conftest.c
+      ${CC} ${LDFLAGS} conftest.c -o conftest
+      aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
+}'`
+      if test -z "$aix_libpath"; then
+        aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
+}'`
+      fi
+      if test -z "$aix_libpath"; then
+        aix_libpath="/usr/lib:/lib"
+      fi
+      rm -f conftest.c conftest
+      # End _LT_AC_SYS_LIBPATH_AIX.
+      if test "$aix_use_runtimelinking" = yes; then
+        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+      else
+        if test "$host_cpu" = ia64; then
+          hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+        else
+          hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+        fi
+      fi
+      ;;
+    amigaos*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      # see comment about different semantics on the GNU ld section
+      ld_shlibs=no
+      ;;
+    bsdi[45]*)
+      ;;
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec=' '
+      libext=lib
+      ;;
+    darwin* | rhapsody*)
+      hardcode_direct=no
+      if test "$GCC" = yes ; then
+        :
+      else
+        case $cc_basename in
+          xlc*)
+            ;;
+          *)
+            ld_shlibs=no
+            ;;
+        esac
+      fi
+      ;;
+    dgux*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      ;;
+    freebsd1*)
+      ld_shlibs=no
+      ;;
+    freebsd2.2*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    freebsd2*)
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      ;;
+    freebsd* | kfreebsd*-gnu | dragonfly*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    hpux9*)
+      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_direct=yes
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L=yes
+      ;;
+    hpux10*)
+      if test "$with_gnu_ld" = no; then
+        hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+        hardcode_libdir_separator=:
+        hardcode_direct=yes
+        # hardcode_minus_L: Not really in the search PATH,
+        # but as the default location of the library.
+        hardcode_minus_L=yes
+      fi
+      ;;
+    hpux11*)
+      if test "$with_gnu_ld" = no; then
+        hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+        hardcode_libdir_separator=:
+        case $host_cpu in
+          hppa*64*|ia64*)
+            hardcode_direct=no
+            ;;
+          *)
+            hardcode_direct=yes
+            # hardcode_minus_L: Not really in the search PATH,
+            # but as the default location of the library.
+            hardcode_minus_L=yes
+            ;;
+        esac
+      fi
+      ;;
+    irix5* | irix6* | nonstopux*)
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    netbsd*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    newsos6)
+      hardcode_direct=yes
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    openbsd*)
+      hardcode_direct=yes
+      if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+      else
+        case "$host_os" in
+          openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+            hardcode_libdir_flag_spec='-R$libdir'
+            ;;
+          *)
+            hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+            ;;
+        esac
+      fi
+      ;;
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      ;;
+    osf3*)
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    osf4* | osf5*)
+      if test "$GCC" = yes; then
+        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      else
+        # Both cc and cxx compiler support -rpath directly
+        hardcode_libdir_flag_spec='-rpath $libdir'
+      fi
+      hardcode_libdir_separator=:
+      ;;
+    solaris*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      ;;
+    sunos4*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      ;;
+    sysv4)
+      case $host_vendor in
+        sni)
+          hardcode_direct=yes # is this really true???
+          ;;
+        siemens)
+          hardcode_direct=no
+          ;;
+        motorola)
+          hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+          ;;
+      esac
+      ;;
+    sysv4.3*)
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+        ld_shlibs=yes
+      fi
+      ;;
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7*)
+      ;;
+    sysv5* | sco3.2v5* | sco5v6*)
+      hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+      hardcode_libdir_separator=':'
+      ;;
+    uts4*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      ;;
+    *)
+      ld_shlibs=no
+      ;;
+  esac
+fi
+
+# Check dynamic linker characteristics
+# Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
+libname_spec='lib$name'
+case "$host_os" in
+  aix3*)
+    ;;
+  aix4* | aix5*)
+    ;;
+  amigaos*)
+    ;;
+  beos*)
+    ;;
+  bsdi[45]*)
+    ;;
+  cygwin* | mingw* | pw32*)
+    shrext=.dll
+    ;;
+  darwin* | rhapsody*)
+    shrext=.dylib
+    ;;
+  dgux*)
+    ;;
+  freebsd1*)
+    ;;
+  kfreebsd*-gnu)
+    ;;
+  freebsd* | dragonfly*)
+    ;;
+  gnu*)
+    ;;
+  hpux9* | hpux10* | hpux11*)
+    case $host_cpu in
+      ia64*)
+        shrext=.so
+        ;;
+      hppa*64*)
+        shrext=.sl
+        ;;
+      *)
+        shrext=.sl
+        ;;
+    esac
+    ;;
+  interix3*)
+    ;;
+  irix5* | irix6* | nonstopux*)
+    case "$host_os" in
+      irix5* | nonstopux*)
+        libsuff= shlibsuff=
+        ;;
+      *)
+        case $LD in
+          *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
+          *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
+          *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
+          *) libsuff= shlibsuff= ;;
+        esac
+        ;;
+    esac
+    ;;
+  linux*oldld* | linux*aout* | linux*coff*)
+    ;;
+  linux*)
+    ;;
+  knetbsd*-gnu)
+    ;;
+  netbsd*)
+    ;;
+  newsos6)
+    ;;
+  nto-qnx*)
+    ;;
+  openbsd*)
+    ;;
+  os2*)
+    libname_spec='$name'
+    shrext=.dll
+    ;;
+  osf3* | osf4* | osf5*)
+    ;;
+  solaris*)
+    ;;
+  sunos4*)
+    ;;
+  sysv4 | sysv4.3*)
+    ;;
+  sysv4*MP*)
+    ;;
+  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+    ;;
+  uts4*)
+    ;;
+esac
+
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
+shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
+escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
+
+LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
+
+# How to pass a linker flag through the compiler.
+wl="$escaped_wl"
+
+# Static library suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally "so").
+shlibext="$shlibext"
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator="$hardcode_libdir_separator"
+
+# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct="$hardcode_direct"
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L="$hardcode_minus_L"
+
+EOF

configure.ac

@@ -1,6 +1,9 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT
-AM_INIT_AUTOMAKE(shadow, 4.2)
+AC_PREREQ([2.64])
+AC_INIT([shadow], [4.8], [pkg-shadow-devel@lists.alioth.debian.org], [],
+	[https://github.com/shadow-maint/shadow])
+AM_INIT_AUTOMAKE([1.11 foreign dist-xz])
+AM_SILENT_RULES([yes])
 AC_CONFIG_HEADERS([config.h])
 
 dnl Some hacks...
@@ -31,7 +34,7 @@ AC_HEADER_STDBOOL
 
 AC_CHECK_HEADERS(errno.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
 	utmpx.h termios.h termio.h sgtty.h sys/ioctl.h syslog.h paths.h \
-	utime.h ulimit.h sys/resource.h gshadow.h lastlog.h \
+	utime.h ulimit.h sys/capability.h sys/resource.h gshadow.h lastlog.h \
 	locale.h rpc/key_prot.h netdb.h acl/libacl.h attr/libattr.h \
 	attr/error_context.h)
 
@@ -71,12 +74,6 @@ AC_CHECK_MEMBERS([struct utmp.ut_type,
                   struct utmp.ut_time,
                   struct utmp.ut_xtime,
                   struct utmp.ut_tv],,,[[#include <utmp.h>]])
-dnl There are dependencies:
-dnl If UTMPX has to be used, the utmp structure shall have a ut_id field.
-if test "$ac_cv_header_utmpx_h" = "yes" &&
-   test "$ac_cv_member_struct_utmp_ut_id" != "yes"; then
-	AC_MSG_ERROR(Systems with UTMPX and no ut_id field in the utmp structure are not supported)
-fi
 
 AC_CHECK_MEMBERS([struct utmpx.ut_name,
                   struct utmpx.ut_host,
@@ -113,6 +110,9 @@ AC_REPLACE_FUNCS(sgetgrent sgetpwent sgetspent)
 AC_REPLACE_FUNCS(snprintf strcasecmp strdup strerror strstr)
 
 AC_CHECK_FUNC(setpgrp)
+AC_CHECK_FUNC(secure_getenv, [AC_DEFINE(HAS_SECURE_GETENV,
+                                        1,
+                                        [Defined to 1 if you have the declaration of 'secure_getenv'])])
 
 if test "$ac_cv_header_shadow_h" = "yes"; then
 	AC_CACHE_CHECK(for working shadow group support,
@@ -247,12 +247,15 @@ AC_ARG_ENABLE(subordinate-ids,
 	[enable_subids="maybe"]
 )
 
-AC_ARG_WITH(audit, 
+AC_ARG_WITH(audit,
 	[AC_HELP_STRING([--with-audit], [use auditing support @<:@default=yes if found@:>@])],
 	[with_audit=$withval], [with_audit=maybe])
 AC_ARG_WITH(libpam,
 	[AC_HELP_STRING([--with-libpam], [use libpam for PAM support @<:@default=yes if found@:>@])],
 	[with_libpam=$withval], [with_libpam=maybe])
+AC_ARG_WITH(btrfs,
+	[AC_HELP_STRING([--with-btrfs], [add BtrFS support @<:@default=yes if found@:>@])],
+	[with_btrfs=$withval], [with_btrfs=maybe])
 AC_ARG_WITH(selinux,
 	[AC_HELP_STRING([--with-selinux], [use SELinux support @<:@default=yes if found@:>@])],
 	[with_selinux=$withval], [with_selinux=maybe])
@@ -274,12 +277,21 @@ AC_ARG_WITH(libcrack,
 AC_ARG_WITH(sha-crypt,
 	[AC_HELP_STRING([--with-sha-crypt], [allow the SHA256 and SHA512 password encryption algorithms @<:@default=yes@:>@])],
 	[with_sha_crypt=$withval], [with_sha_crypt=yes])
+AC_ARG_WITH(bcrypt,
+	[AC_HELP_STRING([--with-bcrypt], [allow the bcrypt password encryption algorithm @<:@default=no@:>@])],
+	[with_bcrypt=$withval], [with_bcrypt=no])
 AC_ARG_WITH(nscd,
 	[AC_HELP_STRING([--with-nscd], [enable support for nscd @<:@default=yes@:>@])],
 	[with_nscd=$withval], [with_nscd=yes])
+AC_ARG_WITH(sssd,
+	[AC_HELP_STRING([--with-sssd], [enable support for flushing sssd caches @<:@default=yes@:>@])],
+	[with_sssd=$withval], [with_sssd=yes])
 AC_ARG_WITH(group-name-max-length,
 	[AC_HELP_STRING([--with-group-name-max-length], [set max group name length @<:@default=16@:>@])],
 	[with_group_name_max_length=$withval], [with_group_name_max_length=yes])
+AC_ARG_WITH(su,
+	[AC_HELP_STRING([--with-su], [build and install su program and man page @<:@default=yes@:>@])],
+	[with_su=$withval], [with_su=yes])
 
 if test "$with_group_name_max_length" = "no" ; then
 	with_group_name_max_length=0
@@ -295,12 +307,26 @@ if test "$with_sha_crypt" = "yes"; then
 	AC_DEFINE(USE_SHA_CRYPT, 1, [Define to allow the SHA256 and SHA512 password encryption algorithms])
 fi
 
+AM_CONDITIONAL(USE_BCRYPT, test "x$with_bcrypt" = "xyes")
+if test "$with_bcrypt" = "yes"; then
+	AC_DEFINE(USE_BCRYPT, 1, [Define to allow the bcrypt password encryption algorithm])
+fi
+
 if test "$with_nscd" = "yes"; then
 	AC_CHECK_FUNC(posix_spawn,
 	              [AC_DEFINE(USE_NSCD, 1, [Define to support flushing of nscd caches])],
 	              [AC_MSG_ERROR([posix_spawn is needed for nscd support])])
 fi
 
+if test "$with_sssd" = "yes"; then
+	AC_CHECK_FUNC(posix_spawn,
+	              [AC_DEFINE(USE_SSSD, 1, [Define to support flushing of sssd caches])],
+	              [AC_MSG_ERROR([posix_spawn is needed for sssd support])])
+fi
+
+AS_IF([test "$with_su" != "no"], AC_DEFINE(WITH_SU, 1, [Build with su])])
+AM_CONDITIONAL([WITH_SU], [test "x$with_su" != "xno"])
+
 dnl Check for some functions in libc first, only if not found check for
 dnl other libraries.  This should prevent linking libnsl if not really
 dnl needed (Linux glibc, Irix), but still link it if needed (Solaris).
@@ -309,6 +335,17 @@ AC_SEARCH_LIBS(inet_ntoa, inet)
 AC_SEARCH_LIBS(socket, socket)
 AC_SEARCH_LIBS(gethostbyname, nsl)
 
+AC_CHECK_LIB([econf],[econf_readDirs],[LIBECONF="-leconf"],[LIBECONF=""])
+if test -n "$LIBECONF"; then
+	ECONF_CPPFLAGS="-DUSE_ECONF=1"
+	AC_ARG_ENABLE([vendordir],
+		AS_HELP_STRING([--enable-vendordir=DIR], [Directory for distribution provided configuration files]),,[])
+fi
+AC_SUBST(ECONF_CPPFLAGS)
+AC_SUBST(LIBECONF)
+AC_SUBST([VENDORDIR], [$enable_vendordir])
+AM_CONDITIONAL([HAVE_VENDORDIR], [test "x$enable_vendordir" != x])
+
 if test "$enable_shadowgrp" = "yes"; then
 	AC_DEFINE(SHADOWGRP, 1, [Define to support the shadow group file.])
 fi
@@ -321,11 +358,12 @@ if test "$enable_man" = "yes"; then
 	AC_PATH_PROG([XSLTPROC], [xsltproc])
 	if test -z "$XSLTPROC"; then
 		enable_man=no
+		AC_MSG_ERROR([xsltproc is missing.])
 	fi
 
 	dnl check for DocBook DTD and stylesheets in the local catalog.
-	JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
-		[DocBook XML DTD V4.1.2], [], enable_man=no)
+	JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.5//EN],
+		[DocBook XML DTD V4.5], [], enable_man=no)
 	JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
 		[DocBook XSL Stylesheets >= 1.70.1], [], enable_man=no)
 fi
@@ -335,16 +373,10 @@ if test "$enable_subids" != "no"; then
 	dnl
 	dnl FIXME: check if 32 bit UIDs/GIDs are supported by libc
 	dnl
-	AC_RUN_IFELSE([AC_LANG_SOURCE([
-#include <sys/types.h>
-int main(void) {
-	uid_t u;
-	gid_t g;
-	return (sizeof u < 4) || (sizeof g < 4);
-}
-	])], [id32bit="yes"], [id32bit="no"])
+	AC_CHECK_SIZEOF([uid_t],, [#include "sys/types.h"])
+	AC_CHECK_SIZEOF([gid_t],, [#include "sys/types.h"])
 
-	if test "x$id32bit" = "xyes"; then
+	if test "$ac_cv_sizeof_uid_t" -ge 4 && test "$ac_cv_sizeof_gid_t" -ge 4; then
 		AC_DEFINE(ENABLE_SUBIDS, 1, [Define to support the subordinate IDs.])
 		enable_subids="yes"
 	else
@@ -455,6 +487,20 @@ if test "$with_libcrack" = "yes"; then
 		AC_DEFINE(HAVE_LIBCRACK_PW, 1, [Defined if it includes *Pw functions.]))
 fi
 
+if test "$with_btrfs" != "no"; then
+	AC_CHECK_HEADERS([sys/statfs.h linux/magic.h linux/btrfs_tree.h], \
+		[btrfs_headers="yes"], [btrfs_headers="no"])
+	if test "$btrfs_headers$with_btrfs" = "noyes" ; then
+		AC_MSG_ERROR([One of sys/statfs.h linux/magic.h linux/btrfs_tree.h is missing])
+	fi
+
+	if test "$btrfs_headers" = "yes" ; then
+		AC_DEFINE(WITH_BTRFS, 1, [Build shadow with BtrFS support])
+		with_btrfs="yes"
+	fi
+fi
+AM_CONDITIONAL(WITH_BTRFS, test x$with_btrfs = xyes)
+
 AC_SUBST(LIBSELINUX)
 AC_SUBST(LIBSEMANAGE)
 if test "$with_selinux" != "no"; then
@@ -479,7 +525,7 @@ if test "$with_selinux" != "no"; then
 			AC_MSG_ERROR([libsemanage not found])
 		fi
 
-		if test "$selinux_lib$semanage_lib" == "yesyes" ; then
+		if test "$selinux_lib$semanage_lib" = "yesyes" ; then
 			AC_DEFINE(WITH_SELINUX, 1,
 			          [Build shadow with SELinux support])
 			LIBSELINUX="-lselinux"
@@ -569,7 +615,7 @@ if test "$with_libpam" = "yes"; then
 	LIBS=$save_libs
 
 	AC_DEFINE(USE_PAM, 1, [Define to support Pluggable Authentication Modules])
-	AC_DEFINE_UNQUOTED(SHADOW_PAM_CONVERSATION, [$pam_conv_function],[PAM converstation to use])
+	AC_DEFINE_UNQUOTED(SHADOW_PAM_CONVERSATION, [$pam_conv_function],[PAM conversation to use])
 	AM_CONDITIONAL(USE_PAM, [true])
 
 	AC_MSG_CHECKING(use login and su access checking if PAM not used)
@@ -599,6 +645,19 @@ if test "$enable_acct_tools_setuid" != "no"; then
 fi
 AM_CONDITIONAL(ACCT_TOOLS_SETUID, test "x$enable_acct_tools_setuid" = "xyes")
 
+
+AC_ARG_WITH(fcaps,
+	[AC_HELP_STRING([--with-fcaps], [use file capabilities instead of suid binaries for newuidmap/newgidmap @<:@default=no@:>@])],
+	[with_fcaps=$withval], [with_fcaps=no])
+AM_CONDITIONAL(FCAPS, test "x$with_fcaps" = "xyes")
+
+if test "x$with_fcaps" = "xyes"; then
+	AC_CHECK_PROGS(capcmd, "setcap")
+	if test "x$capcmd" = "x" ; then
+		AC_MSG_ERROR([setcap command not available])
+	fi
+fi
+
 AC_SUBST(LIBSKEY)
 AC_SUBST(LIBMD)
 if test "$with_skey" = "yes"; then
@@ -674,12 +733,17 @@ if test "$with_libpam" = "yes"; then
 echo "	suid account management tools:	$enable_acct_tools_setuid"
 fi
 echo "	SELinux support:		$with_selinux"
+echo "	BtrFS support:			$with_btrfs"
 echo "	ACL support:			$with_acl"
 echo "	Extended Attributes support:	$with_attr"
 echo "	tcb support (incomplete):	$with_tcb"
 echo "	shadow group support:		$enable_shadowgrp"
 echo "	S/Key support:			$with_skey"
 echo "	SHA passwords encryption:	$with_sha_crypt"
+echo "	bcrypt passwords encryption:	$with_bcrypt"
 echo "	nscd support:			$with_nscd"
+echo "	sssd support:			$with_sssd"
 echo "	subordinate IDs support:	$enable_subids"
+echo "	use file caps:			$with_fcaps"
+echo "	install su:			$with_su"
 echo

contrib/Makefile.in

@@ -0,0 +1,482 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
+# and also cooperate to make a distribution for `make dist'
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_DIST = README adduser.c adduser-old.c adduser.sh adduser2.sh \
+ atudel groupmems.shar pwdauth.c shadow-anonftp.patch \
+ udbachk.tgz
+
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign contrib/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign contrib/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
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+ctags CTAGS:
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+cscope cscopelist:
+
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+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
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+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
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+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
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+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
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+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
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+	install-dvi-am install-exec install-exec-am install-html \
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+	install-pdf install-pdf-am install-ps install-ps-am \
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+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am
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+.PRECIOUS: Makefile
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

contrib/adduser-old.c

@@ -20,7 +20,7 @@
 ** 1/28/95
 ** shadow-adduser 1.3:
 ** 
-** Basically a bug-fix on my additions in 1.2.  Thanx to Terry Stewart 
+** Basically a bug-fix on my additions in 1.2.  Thanks to Terry Stewart 
 ** (stew@texas.net) for pointing out one of the many idiotic bugs I introduced.
 ** It was such a stupid bug that I would have never seen it myself.
 **

contrib/adduser.c

@@ -34,7 +34,7 @@
 ** 1/28/95
 ** shadow-adduser 1.3:
 ** 
-** Basically a bug-fix on my additions in 1.2.  Thanx to Terry Stewart 
+** Basically a bug-fix on my additions in 1.2.  Thanks to Terry Stewart 
 ** (stew@texas.net) for pointing out one of the many idiotic bugs I introduced.
 ** It was such a stupid bug that I would have never seen it myself.
 **

contrib/adduser2.sh

@@ -32,7 +32,7 @@ def_home_dir=/home/users
 # default shell
 def_shell=/bin/tcsh
 
-# Defaul expiration date (mm/dd/yy)
+# Default expiration date (mm/dd/yy)
 def_expire=""
 
 # default dates

contrib/groupmems.shar

@@ -480,7 +480,7 @@ X.B groupmems
 \fB-D\fR |
 [\fB-g\fI group_name \fR]
 X.SH DESCRIPTION
-The \fBgroupmems\fR utility allows a user to administer his/her own
+The \fBgroupmems\fR utility allows a user to administer their own
 group membership list without the requirement of superuser privileges.
 The \fBgroupmems\fR utility is for systems that configure its users to
 be in their own name sake primary group (i.e., guest / guest).

contrib/shadow-anonftp.patch

@@ -2,7 +2,7 @@ Hello Marek,
 
 I have created a diffile against the 980403 release that adds
 functionality to newusers for automatic handling of users with only
-anonomous ftp login (using the guestgroup feature in ftpaccess, which
+anonymous ftp login (using the guestgroup feature in ftpaccess, which
 means that the users home directory looks like '/home/user/./'). It also
 adds a commandline argument to specify an initial directory structure
 for such users, with a tarball normally containing the bin,lib,etc

depcomp

@@ -0,0 +1,791 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputting dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+## Some versions of gcc put a space before the ':'.  On the theory
+## that the space means something, we add a space to the output as
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like '#:fec' to the end of the
+    # dependency line.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
+    echo >> "$depfile"
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  set_dir_from "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  set_dir_from  "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
+    sed -ne '2,${
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for ':'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+  "$@" $dashmflag |
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+        set fnord "$@"
+        shift
+        shift
+        ;;
+    *)
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

doc/Makefile.in

@@ -0,0 +1,481 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
+# and also cooperate to make a distribution for `make dist'
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
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doc/README.limits

@@ -15,7 +15,7 @@ Changes:
 		- code merged into lmain.c --cristiang
 
 TODO:	- support groups in the limits file
-	  (only usernames are supported at this momment :-( )
+	  (only usernames are supported at this moment :-( )
 
 Setting user limits for shadow login program
 

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+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am: install-defaultDATA install-nonpamDATA
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am: install-sysconfDATA
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-defaultDATA uninstall-nonpamDATA \
+	uninstall-sysconfDATA
+
+.MAKE: $(am__recursive_targets) install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-am clean clean-generic clean-libtool cscopelist-am ctags \
+	ctags-am distclean distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am \
+	install-defaultDATA install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-nonpamDATA install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	install-sysconfDATA installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+	ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-defaultDATA uninstall-nonpamDATA \
+	uninstall-sysconfDATA
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

etc/login.defs

@@ -31,6 +31,15 @@ LOG_OK_LOGINS		no
 #
 LASTLOG_ENAB		yes
 
+#
+# Limit the highest user ID number for which the lastlog entries should
+# be updated.
+#
+# No LASTLOG_UID_MAX means that there is no user ID limit for writing
+# lastlog entries.
+#
+#LASTLOG_UID_MAX
+
 #
 # Enable checking and display of mailbox status upon login.
 #
@@ -189,7 +198,7 @@ KILLCHAR	025
 # home directories.
 # 022 is the default value, but 027, or even 077, could be considered
 # for increased privacy. There is no One True Answer here: each sysadmin
-# must make up his/her mind.
+# must make up their mind.
 UMASK		022
 
 #
@@ -229,7 +238,7 @@ SYS_UID_MAX		  999
 # Extra per user uids
 SUB_UID_MIN		   100000
 SUB_UID_MAX		600100000
-SUB_UID_COUNT		    10000
+SUB_UID_COUNT		    65536
 
 #
 # Min/max values for automatic gid selection in groupadd(8)
@@ -242,7 +251,7 @@ SYS_GID_MAX		  999
 # Extra per user group ids
 SUB_GID_MIN		   100000
 SUB_GID_MAX		600100000
-SUB_GID_COUNT		    10000
+SUB_GID_COUNT		    65536
 
 #
 # Max number of login(1) retries if password is bad
@@ -311,6 +320,7 @@ CHFN_RESTRICT		rwh
 # If set to MD5, MD5-based algorithm will be used for encrypting password
 # If set to SHA256, SHA256-based algorithm will be used for encrypting password
 # If set to SHA512, SHA512-based algorithm will be used for encrypting password
+# If set to BCRYPT, BCRYPT-based algorithm will be used for encrypting password
 # If set to DES, DES-based algorithm will be used for encrypting password (default)
 # Overrides the MD5_CRYPT_ENAB option
 #
@@ -332,8 +342,23 @@ CHFN_RESTRICT		rwh
 # If only one of the MIN or MAX values is set, then this value will be used.
 # If MIN > MAX, the highest value will be used.
 #
-# SHA_CRYPT_MIN_ROUNDS 5000
-# SHA_CRYPT_MAX_ROUNDS 5000
+#SHA_CRYPT_MIN_ROUNDS 5000
+#SHA_CRYPT_MAX_ROUNDS 5000
+
+#
+# Only works if ENCRYPT_METHOD is set to BCRYPT.
+#
+# Define the number of BCRYPT rounds.
+# With a lot of rounds, it is more difficult to brute-force the password.
+# However, more CPU resources will be needed to authenticate users if
+# this value is increased.
+#
+# If not specified, 13 rounds will be attempted.
+# If only one of the MIN or MAX values is set, then this value will be used.
+# If MIN > MAX, the highest value will be used.
+#
+#BCRYPT_MIN_ROUNDS 13
+#BCRYPT_MAX_ROUNDS 13
 
 #
 # List of groups to add to the user's supplementary group set
@@ -393,3 +418,8 @@ USERGROUPS_ENAB yes
 #
 #CREATE_HOME     yes
 
+#
+# Force use shadow, even if shadow passwd & shadow group files are
+# missing.
+#
+#FORCE_SHADOW    yes

etc/pam.d/Makefile.am

@@ -6,8 +6,7 @@ pamd_files = \
 	chsh \
 	groupmems \
 	login \
-	passwd \
-	su
+	passwd
 
 pamd_acct_tools_files = \
 	chage \
@@ -29,4 +28,8 @@ pamd_DATA += $(pamd_acct_tools_files)
 endif
 endif
 
+if WITH_SU
+pamd_files += su
+endif
+
 EXTRA_DIST = $(pamd_files) $(pamd_acct_tools_files)

etc/pam.d/Makefile.in

@@ -0,0 +1,550 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
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+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
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+  else \
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+  fi; \
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+	chgpasswd \
+	chpasswd \
+	groupadd \
+	groupdel \
+	groupmod \
+	newusers \
+	useradd \
+	userdel \
+	usermod
+
+@USE_PAM_TRUE@pamddir = $(sysconfdir)/pam.d
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+
+.SUFFIXES:
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+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
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+	      exit 1;; \
+	  esac; \
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+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign etc/pam.d/Makefile'; \
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+	@$(NORMAL_INSTALL)
+	@list='$(pamd_DATA)'; test -n "$(pamddir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pamddir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pamddir)" || exit 1; \
+	fi; \
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+
+uninstall-pamdDATA:
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+	@list='$(pamd_DATA)'; test -n "$(pamddir)" || list=; \
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
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+	case $$dist_files in \
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+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(pamddir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pamdDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pamdDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pamdDATA install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+	ps ps-am tags-am uninstall uninstall-am uninstall-pamdDATA
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

install-sh

@@ -0,0 +1,518 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2018-03-11.20; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+tab='	'
+nl='
+'
+IFS=" $tab$nl"
+
+# Set DOITPROG to "echo" to test this script.
+
+doit=${DOITPROG-}
+doit_exec=${doit:-exec}
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+is_target_a_directory=possibly
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+        shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+        case $mode in
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
+            echo "$0: invalid mode: $mode" >&2
+            exit 1;;
+        esac
+        shift;;
+
+    -o) chowncmd="$chownprog $2"
+        shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
+        shift;;
+
+    -T) is_target_a_directory=never;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --) shift
+        break;;
+
+    -*) echo "$0: invalid option: $1" >&2
+        exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call 'install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names problematic for 'test' and other utilities.
+  case $src in
+    -* | [=\(\)!]) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+    dst=$dst_arg
+
+    # If destination is a directory, append the input filename.
+    if test -d "$dst"; then
+      if test "$is_target_a_directory" = never; then
+        echo "$0: $dst_arg: Is a directory" >&2
+        exit 1
+      fi
+      dstdir=$dst
+      dstbase=`basename "$src"`
+      case $dst in
+	*/) dst=$dst$dstbase;;
+	*)  dst=$dst/$dstbase;;
+      esac
+      dstdir_status=0
+    else
+      dstdir=`dirname "$dst"`
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+        # Create intermediate dirs using mode 755 as modified by the umask.
+        # This is like FreeBSD 'install' as of 1997-10-28.
+        umask=`umask`
+        case $stripcmd.$umask in
+          # Optimize common cases.
+          *[2367][2367]) mkdir_umask=$umask;;
+          .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+          *[0-7])
+            mkdir_umask=`expr $umask + 22 \
+              - $umask % 100 % 40 + $umask % 20 \
+              - $umask % 10 % 4 + $umask % 2
+            `;;
+          *) mkdir_umask=$umask,go-w;;
+        esac
+
+        # With -d, create the new directory with the user-specified mode.
+        # Otherwise, rely on $mkdir_umask.
+        if test -n "$dir_arg"; then
+          mkdir_mode=-m$mode
+        else
+          mkdir_mode=
+        fi
+
+        posix_mkdir=false
+        case $umask in
+          *[123567][0-7][0-7])
+            # POSIX mkdir -p sets u+wx bits regardless of umask, which
+            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+            ;;
+          *)
+            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
+            # here however when possible just to lower collision chance.
+            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
+            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+            # Because "mkdir -p" follows existing symlinks and we likely work
+            # directly in world-writeable /tmp, make sure that the '$tmpdir'
+            # directory is successfully created first before we actually test
+            # 'mkdir -p' feature.
+            if (umask $mkdir_umask &&
+                $mkdirprog $mkdir_mode "$tmpdir" &&
+                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
+            then
+              if test -z "$dir_arg" || {
+                   # Check for POSIX incompatibilities with -m.
+                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+                   # other-writable bit of parent directory when it shouldn't.
+                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+                   test_tmpdir="$tmpdir/a"
+                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
+                   case $ls_ld_tmpdir in
+                     d????-?r-*) different_mode=700;;
+                     d????-?--*) different_mode=755;;
+                     *) false;;
+                   esac &&
+                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
+                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+                   }
+                 }
+              then posix_mkdir=:
+              fi
+              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
+            else
+              # Remove any dirs left behind by ancient mkdir implementations.
+              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
+            fi
+            trap '' 0;;
+        esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+        umask $mkdir_umask &&
+        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+        /*) prefix='/';;
+        [-=\(\)!]*) prefix='./';;
+        *)  prefix='';;
+      esac
+
+      oIFS=$IFS
+      IFS=/
+      set -f
+      set fnord $dstdir
+      shift
+      set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+        test X"$d" = X && continue
+
+        prefix=$prefix$d
+        if test -d "$prefix"; then
+          prefixes=
+        else
+          if $posix_mkdir; then
+            (umask=$mkdir_umask &&
+             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+            # Don't fail if two instances are running concurrently.
+            test -d "$prefix" || exit 1
+          else
+            case $prefix in
+              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+              *) qprefix=$prefix;;
+            esac
+            prefixes="$prefixes '$qprefix'"
+          fi
+        fi
+        prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+        # Don't fail if two instances are running concurrently.
+        (umask $mkdir_umask &&
+         eval "\$doit_exec \$mkdirprog $prefixes") ||
+          test -d "$dstdir" || exit 1
+        obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=${dstdirslash}_inst.$$_
+    rmtmp=${dstdirslash}_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
+       set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       set +f &&
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+        # Now remove or move aside any old file at destination location.
+        # We try this two ways since rm can't unlink itself on some
+        # systems and the destination file might be busy for other
+        # reasons.  In this case, the final cleanup might fail but the new
+        # file should still install successfully.
+        {
+          test ! -f "$dst" ||
+          $doit $rmcmd -f "$dst" 2>/dev/null ||
+          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+            { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+          } ||
+          { echo "$0: cannot unlink or rename $dst" >&2
+            (exit 1); exit 1
+          }
+        } &&
+
+        # Now rename the file to the real destination.
+        $doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

lib/Makefile.am

@@ -6,6 +6,10 @@ DEFS =
 noinst_LTLIBRARIES = libshadow.la
 
 libshadow_la_LDFLAGS = -version-info 0:0:0
+libshadow_la_CPPFLAGS = $(ECONF_CPPFLAGS)
+if HAVE_VENDORDIR
+libshadow_la_CPPFLAGS += -DVENDORDIR=\"$(VENDORDIR)\"
+endif
 
 libshadow_la_SOURCES = \
 	commonio.c \
@@ -30,6 +34,8 @@ libshadow_la_SOURCES = \
 	lockpw.c \
 	nscd.c \
 	nscd.h \
+	sssd.c \
+	sssd.h \
 	pam_defs.h \
 	port.c \
 	port.h \

lib/commonio.c

@@ -45,6 +45,7 @@
 #include <stdio.h>
 #include <signal.h>
 #include "nscd.h"
+#include "sssd.h"
 #ifdef WITH_TCB
 #include <tcb.h>
 #endif				/* WITH_TCB */
@@ -140,7 +141,7 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	int retval;
 	char buf[32];
 
-	fd = open (file, O_CREAT | O_EXCL | O_WRONLY, 0600);
+	fd = open (file, O_CREAT | O_TRUNC | O_WRONLY, 0600);
 	if (-1 == fd) {
 		if (log) {
 			(void) fprintf (stderr,
@@ -301,15 +302,12 @@ static int create_backup (const char *backup, FILE * fp)
 	struct utimbuf ub;
 	FILE *bkfp;
 	int c;
-	mode_t mask;
 
 	if (fstat (fileno (fp), &sb) != 0) {
 		return -1;
 	}
 
-	mask = umask (077);
-	bkfp = fopen (backup, "w");
-	(void) umask (mask);
+	bkfp = fopen_set_perms (backup, "w", &sb);
 	if (NULL == bkfp) {
 		return -1;
 	}
@@ -366,6 +364,7 @@ static void free_linked_list (struct commonio_db *db)
 int commonio_setname (struct commonio_db *db, const char *name)
 {
 	snprintf (db->filename, sizeof (db->filename), "%s", name);
+	db->setname = true;
 	return 1;
 }
 
@@ -378,57 +377,77 @@ bool commonio_present (const struct commonio_db *db)
 
 int commonio_lock_nowait (struct commonio_db *db, bool log)
 {
-	char file[1024];
-	char lock[1024];
+	char* file = NULL;
+	char* lock = NULL;
+	size_t lock_file_len;
+	size_t file_len;
+	int err = 0;
 
 	if (db->locked) {
 		return 1;
 	}
-
-	snprintf (file, sizeof file, "%s.%lu",
+	file_len = strlen(db->filename) + 11;/* %lu max size */
+	lock_file_len = strlen(db->filename) + 6; /* sizeof ".lock" */
+	file = (char*)malloc(file_len);
+	if(file == NULL) {
+		goto cleanup_ENOMEM;
+	}
+	lock = (char*)malloc(lock_file_len);
+	if(lock == NULL) {
+		goto cleanup_ENOMEM;
+	}
+	snprintf (file, file_len, "%s.%lu",
 	          db->filename, (unsigned long) getpid ());
-	snprintf (lock, sizeof lock, "%s.lock", db->filename);
+	snprintf (lock, lock_file_len, "%s.lock", db->filename);
 	if (do_lock_file (file, lock, log) != 0) {
 		db->locked = true;
 		lock_count++;
-		return 1;
+		err = 1;
 	}
-	return 0;
+cleanup_ENOMEM:
+	if(file)
+		free(file);
+	if(lock)
+		free(lock);
+	return err;
 }
 
 
 int commonio_lock (struct commonio_db *db)
 {
+	int i;
+
 #ifdef HAVE_LCKPWDF
 	/*
-	 * only if the system libc has a real lckpwdf() - the one from
+	 * Only if the system libc has a real lckpwdf() - the one from
 	 * lockpw.c calls us and would cause infinite recursion!
+	 * It is also not used with the prefix option.
 	 */
-
-	/*
-	 * Call lckpwdf() on the first lock.
-	 * If it succeeds, call *_lock() only once
-	 * (no retries, it should always succeed).
-	 */
-	if (0 == lock_count) {
-		if (lckpwdf () == -1) {
-			if (geteuid () != 0) {
-				(void) fprintf (stderr,
-				                "%s: Permission denied.\n",
-				                Prog);
+	if (!db->setname) {
+		/*
+		 * Call lckpwdf() on the first lock.
+		 * If it succeeds, call *_lock() only once
+		 * (no retries, it should always succeed).
+		 */
+		if (0 == lock_count) {
+			if (lckpwdf () == -1) {
+				if (geteuid () != 0) {
+					(void) fprintf (stderr,
+					                "%s: Permission denied.\n",
+					                Prog);
+				}
+				return 0;	/* failure */
 			}
-			return 0;	/* failure */
 		}
-	}
 
-	if (commonio_lock_nowait (db, true) != 0) {
-		return 1;	/* success */
-	}
+		if (commonio_lock_nowait (db, true) != 0) {
+			return 1;	/* success */
+		}
 
-	ulckpwdf ();
-	return 0;		/* failure */
-#else				/* !HAVE_LCKPWDF */
-	int i;
+		ulckpwdf ();
+		return 0;		/* failure */
+	}
+#endif				/* !HAVE_LCKPWDF */
 
 	/*
 	 * lckpwdf() not used - do it the old way.
@@ -455,7 +474,6 @@ int commonio_lock (struct commonio_db *db)
 		}
 	}
 	return 0;		/* failure */
-#endif				/* !HAVE_LCKPWDF */
 }
 
 static void dec_lock_count (void)
@@ -468,6 +486,7 @@ static void dec_lock_count (void)
 			if (nscd_need_reload) {
 				nscd_flush_cache ("passwd");
 				nscd_flush_cache ("group");
+				sssd_flush_cache (SSSD_DB_PASSWD | SSSD_DB_GROUP);
 				nscd_need_reload = false;
 			}
 #ifdef HAVE_LCKPWDF
@@ -754,16 +773,16 @@ commonio_sort (struct commonio_db *db, int (*cmp) (const void *, const void *))
 	for (ptr = db->head;
 	        (NULL != ptr)
 #if KEEP_NIS_AT_END
-	     && (NULL != ptr->line)
-	     && (   ('+' != ptr->line[0])
-	         && ('-' != ptr->line[0]))
+	     && ((NULL == ptr->line)
+	         || (('+' != ptr->line[0])
+	             && ('-' != ptr->line[0])))
 #endif
 	     ;
 	     ptr = ptr->next) {
 		n++;
 	}
 #if KEEP_NIS_AT_END
-	if ((NULL != ptr) && (NULL != ptr->line)) {
+	if (NULL != ptr) {
 		nis = ptr;
 	}
 #endif
@@ -908,7 +927,6 @@ static int write_all (const struct commonio_db *db)
 
 
 int commonio_close (struct commonio_db *db)
-	/*@requires notnull db->fp@*/
 {
 	char buf[1024];
 	int errors = 0;
@@ -921,8 +939,10 @@ int commonio_close (struct commonio_db *db)
 	db->isopen = false;
 
 	if (!db->changed || db->readonly) {
-		(void) fclose (db->fp);
-		db->fp = NULL;
+		if (NULL != db->fp) {
+			(void) fclose (db->fp);
+			db->fp = NULL;
+		}
 		goto success;
 	}
 
@@ -968,11 +988,10 @@ int commonio_close (struct commonio_db *db)
 	} else {
 		/*
 		 * Default permissions for new [g]shadow files.
-		 * (passwd and group always exist...)
 		 */
-		sb.st_mode = 0400;
-		sb.st_uid = 0;
-		sb.st_gid = 0;
+		sb.st_mode = db->st_mode;
+		sb.st_uid = db->st_uid;
+		sb.st_gid = db->st_gid;
 	}
 
 	snprintf (buf, sizeof buf, "%s+", db->filename);
@@ -1081,6 +1100,7 @@ int commonio_update (struct commonio_db *db, const void *eptr)
 	if (NULL != p) {
 		if (next_entry_by_name (db, p->next, db->ops->getname (eptr)) != NULL) {
 			fprintf (stderr, _("Multiple entries named '%s' in %s. Please fix this with pwck or grpck.\n"), db->ops->getname (eptr), db->filename);
+			db->ops->free (nentry);
 			return 0;
 		}
 		db->ops->free (p->eptr);

lib/commonio.h

@@ -31,8 +31,8 @@
  */
 
 /* $Id$ */
-#ifndef _COMMONIO_H
-#define _COMMONIO_H
+#ifndef COMMONIO_H
+#define COMMONIO_H
 
 #ifdef WITH_SELINUX
 #include <selinux/selinux.h>
@@ -123,6 +123,12 @@ struct commonio_db {
 #ifdef WITH_SELINUX
 	/*@null@*/security_context_t scontext;
 #endif
+	/*
+	 * Default permissions and owner for newly created data file.
+         */
+	mode_t st_mode;
+	uid_t st_uid;
+	gid_t st_gid;
 	/*
 	 * Head, tail, current position in linked list.
 	 */
@@ -137,6 +143,7 @@ struct commonio_db {
 	bool isopen:1;
 	bool locked:1;
 	bool readonly:1;
+	bool setname:1;
 };
 
 extern int commonio_setname (struct commonio_db *, const char *);

lib/defines.h

@@ -24,7 +24,7 @@ typedef unsigned char _Bool;
 
 /* Take care of NLS matters.  */
 #ifdef S_SPLINT_S
-extern char *setlocale(int categorie, const char *locale);
+extern char *setlocale(int categories, const char *locale);
 # define LC_ALL		(6)
 extern char * bindtextdomain (const char * domainname, const char * dirname);
 extern char * textdomain (const char * domainname);
@@ -382,4 +382,10 @@ extern char *strerror ();
 # endif
 #endif
 
+#ifdef HAVE_SECURE_GETENV
+#  define shadow_getenv(name) secure_getenv(name)
+# else
+#  define shadow_getenv(name) getenv(name)
+#endif
+
 #endif				/* _DEFINES_H_ */

lib/encrypt.c

@@ -65,6 +65,9 @@
 			case '1':
 				method = "MD5";
 				break;
+			case '2':
+				method = "BCRYPT";
+				break;
 			case '5':
 				method = "SHA256";
 				break;

lib/getdef.c

@@ -40,6 +40,9 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <errno.h>
+#ifdef USE_ECONF
+#include <libeconf.h>
+#endif
 #include "getdef.h"
 /*
  * A configuration item definition.
@@ -49,6 +52,32 @@ struct itemdef {
 	/*@null@*/char *value;		/* value given, or NULL if no value     */
 };
 
+#define PAMDEFS					\
+	{"CHFN_AUTH", NULL},			\
+	{"CHSH_AUTH", NULL},			\
+	{"CRACKLIB_DICTPATH", NULL},		\
+	{"ENV_HZ", NULL},			\
+	{"ENVIRON_FILE", NULL},			\
+	{"ENV_TZ", NULL},			\
+	{"FAILLOG_ENAB", NULL},			\
+	{"FTMP_FILE", NULL},			\
+	{"ISSUE_FILE", NULL},			\
+	{"LASTLOG_ENAB", NULL},			\
+	{"LOGIN_STRING", NULL},			\
+	{"MAIL_CHECK_ENAB", NULL},		\
+	{"MOTD_FILE", NULL},			\
+	{"NOLOGINS_FILE", NULL},		\
+	{"OBSCURE_CHECKS_ENAB", NULL},		\
+	{"PASS_ALWAYS_WARN", NULL},		\
+	{"PASS_CHANGE_TRIES", NULL},		\
+	{"PASS_MAX_LEN", NULL},			\
+	{"PASS_MIN_LEN", NULL},			\
+	{"PORTTIME_CHECKS_ENAB", NULL},		\
+	{"QUOTAS_ENAB", NULL},			\
+	{"SU_WHEEL_ONLY", NULL},		\
+	{"ULIMIT", NULL},
+
+
 #define NUMDEFS	(sizeof(def_table)/sizeof(def_table[0]))
 static struct itemdef def_table[] = {
 	{"CHFN_RESTRICT", NULL},
@@ -66,6 +95,7 @@ static struct itemdef def_table[] = {
 	{"GID_MIN", NULL},
 	{"HUSHLOGIN_FILE", NULL},
 	{"KILLCHAR", NULL},
+	{"LASTLOG_UID_MAX", NULL},
 	{"LOGIN_RETRIES", NULL},
 	{"LOGIN_TIMEOUT", NULL},
 	{"LOG_OK_LOGINS", NULL},
@@ -80,6 +110,10 @@ static struct itemdef def_table[] = {
 #ifdef USE_SHA_CRYPT
 	{"SHA_CRYPT_MAX_ROUNDS", NULL},
 	{"SHA_CRYPT_MIN_ROUNDS", NULL},
+#endif
+#ifdef USE_BCRYPT
+	{"BCRYPT_MAX_ROUNDS", NULL},
+	{"BCRYPT_MIN_ROUNDS", NULL},
 #endif
 	{"SUB_GID_COUNT", NULL},
 	{"SUB_GID_MAX", NULL},
@@ -102,29 +136,7 @@ static struct itemdef def_table[] = {
 	{"USERDEL_CMD", NULL},
 	{"USERGROUPS_ENAB", NULL},
 #ifndef USE_PAM
-	{"CHFN_AUTH", NULL},
-	{"CHSH_AUTH", NULL},
-	{"CRACKLIB_DICTPATH", NULL},
-	{"ENV_HZ", NULL},
-	{"ENVIRON_FILE", NULL},
-	{"ENV_TZ", NULL},
-	{"FAILLOG_ENAB", NULL},
-	{"FTMP_FILE", NULL},
-	{"ISSUE_FILE", NULL},
-	{"LASTLOG_ENAB", NULL},
-	{"LOGIN_STRING", NULL},
-	{"MAIL_CHECK_ENAB", NULL},
-	{"MOTD_FILE", NULL},
-	{"NOLOGINS_FILE", NULL},
-	{"OBSCURE_CHECKS_ENAB", NULL},
-	{"PASS_ALWAYS_WARN", NULL},
-	{"PASS_CHANGE_TRIES", NULL},
-	{"PASS_MAX_LEN", NULL},
-	{"PASS_MIN_LEN", NULL},
-	{"PORTTIME_CHECKS_ENAB", NULL},
-	{"QUOTAS_ENAB", NULL},
-	{"SU_WHEEL_ONLY", NULL},
-	{"ULIMIT", NULL},
+	PAMDEFS
 #endif
 #ifdef USE_SYSLOG
 	{"SYSLOG_SG_ENAB", NULL},
@@ -135,14 +147,32 @@ static struct itemdef def_table[] = {
 	{"TCB_SYMLINKS", NULL},
 	{"USE_TCB", NULL},
 #endif
+	{"FORCE_SHADOW", NULL},
 	{NULL, NULL}
 };
 
+#define NUMKNOWNDEFS	(sizeof(knowndef_table)/sizeof(knowndef_table[0]))
+static struct itemdef knowndef_table[] = {
+#ifdef USE_PAM
+	PAMDEFS
+#endif
+	{NULL, NULL}
+};
+
+#ifdef USE_ECONF
+#ifdef VENDORDIR
+static const char* vendordir = VENDORDIR;
+#else
+static const char* vendordir = NULL;
+#endif
+static const char* sysconfdir = "/etc";
+#else
 #ifndef LOGINDEFS
 #define LOGINDEFS "/etc/login.defs"
 #endif
 
-static char def_fname[] = LOGINDEFS;	/* login config defs file       */
+static const char* def_fname = LOGINDEFS;	/* login config defs file       */
+#endif
 static bool def_loaded = false;		/* are defs already loaded?     */
 
 /* local function prototypes */
@@ -397,13 +427,51 @@ static /*@observer@*/ /*@null@*/struct itemdef *def_find (const char *name)
 	 * Item was never found.
 	 */
 
+	for (ptr = knowndef_table; NULL != ptr->name; ptr++) {
+		if (strcmp (ptr->name, name) == 0) {
+			goto out;
+		}
+	}
 	fprintf (stderr,
 	         _("configuration error - unknown item '%s' (notify administrator)\n"),
 	         name);
 	SYSLOG ((LOG_CRIT, "unknown configuration item `%s'", name));
+
+out:
 	return (struct itemdef *) NULL;
 }
 
+/*
+ * setdef_config_file - set the default configuration file path
+ *
+ * must be called prior to any def* calls.
+ */
+
+void setdef_config_file (const char* file)
+{
+#ifdef USE_ECONF
+	size_t len;
+	char* cp;
+
+	len = strlen(file) + strlen(sysconfdir) + 2;
+	cp = malloc(len);
+	if (cp == NULL)
+		exit (13);
+	snprintf(cp, len, "%s/%s", file, sysconfdir);
+	sysconfdir = cp;
+#ifdef VENDORDIR
+	len = strlen(file) + strlen(vendordir) + 2;
+	cp = malloc(len);
+	if (cp == NULL)
+		exit (13);
+	snprintf(cp, len, "%s/%s", file, vendordir);
+	vendordir = cp;
+#endif
+#else
+	def_fname = file;
+#endif
+}
+
 /*
  * def_load - load configuration table
  *
@@ -412,20 +480,16 @@ static /*@observer@*/ /*@null@*/struct itemdef *def_find (const char *name)
 
 static void def_load (void)
 {
+#ifdef USE_ECONF
+	econf_file *defs_file = NULL;
+	econf_err error;
+	char **keys;
+	size_t key_number;
+#else
 	int i;
 	FILE *fp;
 	char buf[1024], *name, *value, *s;
-
-	/*
-	 * Open the configuration definitions file.
-	 */
-	fp = fopen (def_fname, "r");
-	if (NULL == fp) {
-		int err = errno;
-		SYSLOG ((LOG_CRIT, "cannot open login definitions %s [%s]",
-		         def_fname, strerror (err)));
-		exit (EXIT_FAILURE);
-	}
+#endif
 
 	/*
 	 * Set the initialized flag.
@@ -433,6 +497,56 @@ static void def_load (void)
 	 */
 	def_loaded = true;
 
+#ifdef USE_ECONF
+
+	error = econf_readDirs (&defs_file, vendordir, sysconfdir, "login", "defs", " \t", "#");
+	if (error) {
+		if (error == ECONF_NOFILE)
+			return;
+
+		SYSLOG ((LOG_CRIT, "cannot open login definitions [%s]",
+			econf_errString(error)));
+		exit (EXIT_FAILURE);
+	}
+
+	if ((error = econf_getKeys(defs_file, NULL, &key_number, &keys))) {
+		SYSLOG ((LOG_CRIT, "cannot read login definitions [%s]",
+			econf_errString(error)));
+		exit (EXIT_FAILURE);
+	}
+
+	for (size_t i = 0; i < key_number; i++) {
+		char *value;
+
+		econf_getStringValue(defs_file, NULL, keys[i], &value);
+
+		/*
+		 * Store the value in def_table.
+		 *
+		 * Ignore failures to load the login.defs file.
+		 * The error was already reported to the user and to
+		 * syslog. The tools will just use their default values.
+		 */
+		(void)putdef_str (keys[i], value);
+	}
+
+	econf_free (keys);
+	econf_free (defs_file);
+#else
+	/*
+	 * Open the configuration definitions file.
+	 */
+	fp = fopen (def_fname, "r");
+	if (NULL == fp) {
+		if (errno == ENOENT)
+			return;
+
+		int err = errno;
+		SYSLOG ((LOG_CRIT, "cannot open login definitions %s [%s]",
+		         def_fname, strerror (err)));
+		exit (EXIT_FAILURE);
+	}
+
 	/*
 	 * Go through all of the lines in the file.
 	 */
@@ -482,6 +596,7 @@ static void def_load (void)
 	}
 
 	(void) fclose (fp);
+#endif
 }
 
 

lib/getdef.h

@@ -40,6 +40,7 @@ extern unsigned long getdef_ulong (const char *, unsigned long);
 extern unsigned int getdef_unum (const char *, unsigned int);
 extern /*@observer@*/ /*@null@*/const char *getdef_str (const char *);
 extern int putdef_str (const char *, const char *);
+extern void setdef_config_file (const char* file);
 
 /* default UMASK value if not specified in /etc/login.defs */
 #define		GETDEF_DEFAULT_UMASK	022

lib/getulong.c

@@ -44,22 +44,19 @@
  */
 int getulong (const char *numstr, /*@out@*/unsigned long int *result)
 {
-	long long int val;
+	unsigned long int val;
 	char *endptr;
 
 	errno = 0;
-	val = strtoll (numstr, &endptr, 0);
+	val = strtoul (numstr, &endptr, 0);
 	if (    ('\0' == *numstr)
 	     || ('\0' != *endptr)
 	     || (ERANGE == errno)
-	     /*@+ignoresigns@*/
-	     || (val != (unsigned long int)val)
-	     /*@=ignoresigns@*/
 	   ) {
 		return 0;
 	}
 
-	*result = (unsigned long int)val;
+	*result = val;
 	return 1;
 }
 

lib/groupio.c

@@ -130,13 +130,17 @@ static /*@owned@*/struct commonio_db group_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif
+	0644,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int gr_setdbname (const char *filename)
@@ -335,8 +339,7 @@ static /*@null@*/struct commonio_entry *merge_group_entries (
 		errno = ENOMEM;
 		return NULL;
 	}
-	snprintf(new_line, new_line_len, "%s\n%s", gr1->line, gr2->line);
-	new_line[new_line_len] = '\0';
+	snprintf(new_line, new_line_len + 1, "%s\n%s", gr1->line, gr2->line);
 
 	/* Concatenate the 2 list of members */
 	for (i=0; NULL != gptr1->gr_mem[i]; i++);

lib/groupio.c~

@@ -1,458 +0,0 @@
-/*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2010, Nicolas François
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <config.h>
-
-#ident "$Id$"
-
-#include <assert.h>
-#include <stdio.h>
-
-#include "prototypes.h"
-#include "defines.h"
-#include "commonio.h"
-#include "getdef.h"
-#include "groupio.h"
-
-static /*@null@*/struct commonio_entry *merge_group_entries (
-	/*@null@*/ /*@returned@*/struct commonio_entry *gr1,
-	/*@null@*/struct commonio_entry *gr2);
-static int split_groups (unsigned int max_members);
-static int group_open_hook (void);
-
-static /*@null@*/ /*@only@*/void *group_dup (const void *ent)
-{
-	const struct group *gr = ent;
-
-	return __gr_dup (gr);
-}
-
-static void group_free (/*@out@*/ /*@only@*/void *ent)
-{
-	struct group *gr = ent;
-
-	gr_free (gr);
-}
-
-static const char *group_getname (const void *ent)
-{
-	const struct group *gr = ent;
-
-	return gr->gr_name;
-}
-
-static void *group_parse (const char *line)
-{
-	return (void *) sgetgrent (line);
-}
-
-static int group_put (const void *ent, FILE * file)
-{
-	const struct group *gr = ent;
-
-	if (   (NULL == gr)
-	    || (valid_field (gr->gr_name, ":\n") == -1)
-	    || (valid_field (gr->gr_passwd, ":\n") == -1)
-	    || (gr->gr_gid == (gid_t)-1)) {
-		return -1;
-	}
-
-	/* FIXME: fail also if gr->gr_mem == NULL ?*/
-	if (NULL != gr->gr_mem) {
-		size_t i;
-		for (i = 0; NULL != gr->gr_mem[i]; i++) {
-			if (valid_field (gr->gr_mem[i], ",:\n") == -1) {
-				return -1;
-			}
-		}
-	}
-
-	return (putgrent (gr, file) == -1) ? -1 : 0;
-}
-
-static int group_close_hook (void)
-{
-	unsigned int max_members = getdef_unum("MAX_MEMBERS_PER_GROUP", 0);
-
-	if (0 == max_members) {
-		return 1;
-	}
-
-	return split_groups (max_members);
-}
-
-static struct commonio_ops group_ops = {
-	group_dup,
-	group_free,
-	group_getname,
-	group_parse,
-	group_put,
-	fgetsx,
-	fputsx,
-	group_open_hook,
-	group_close_hook
-};
-
-static /*@owned@*/struct commonio_db group_db = {
-	GROUP_FILE,		/* filename */
-	&group_ops,		/* ops */
-	NULL,			/* fp */
-#ifdef WITH_SELINUX
-	NULL,			/* scontext */
-#endif
-	NULL,			/* head */
-	NULL,			/* tail */
-	NULL,			/* cursor */
-	false,			/* changed */
-	false,			/* isopen */
-	false,			/* locked */
-	false			/* readonly */
-};
-
-int gr_setdbname (const char *filename)
-{
-	return commonio_setname (&group_db, filename);
-}
-
-/*@observer@*/const char *gr_dbname (void)
-{
-	return group_db.filename;
-}
-
-int gr_lock (void)
-{
-	return commonio_lock (&group_db);
-}
-
-int gr_open (int mode)
-{
-	return commonio_open (&group_db, mode);
-}
-
-/*@observer@*/ /*@null@*/const struct group *gr_locate (const char *name)
-{
-	return commonio_locate (&group_db, name);
-}
-
-/*@observer@*/ /*@null@*/const struct group *gr_locate_gid (gid_t gid)
-{
-	const struct group *grp;
-
-	gr_rewind ();
-	while (   ((grp = gr_next ()) != NULL)
-	       && (grp->gr_gid != gid)) {
-	}
-
-	return grp;
-}
-
-int gr_update (const struct group *gr)
-{
-	return commonio_update (&group_db, (const void *) gr);
-}
-
-int gr_remove (const char *name)
-{
-	return commonio_remove (&group_db, name);
-}
-
-int gr_rewind (void)
-{
-	return commonio_rewind (&group_db);
-}
-
-/*@observer@*/ /*@null@*/const struct group *gr_next (void)
-{
-	return commonio_next (&group_db);
-}
-
-int gr_close (void)
-{
-	return commonio_close (&group_db);
-}
-
-int gr_unlock (void)
-{
-	return commonio_unlock (&group_db);
-}
-
-void __gr_set_changed (void)
-{
-	group_db.changed = true;
-}
-
-/*@dependent@*/ /*@null@*/struct commonio_entry *__gr_get_head (void)
-{
-	return group_db.head;
-}
-
-/*@observer@*/const struct commonio_db *__gr_get_db (void)
-{
-	return &group_db;
-}
-
-void __gr_del_entry (const struct commonio_entry *ent)
-{
-	commonio_del_entry (&group_db, ent);
-}
-
-static int gr_cmp (const void *p1, const void *p2)
-{
-	gid_t u1, u2;
-
-	if ((*(struct commonio_entry **) p1)->eptr == NULL) {
-		return 1;
-	}
-	if ((*(struct commonio_entry **) p2)->eptr == NULL) {
-		return -1;
-	}
-
-	u1 = ((struct group *) (*(struct commonio_entry **) p1)->eptr)->gr_gid;
-	u2 = ((struct group *) (*(struct commonio_entry **) p2)->eptr)->gr_gid;
-
-	if (u1 < u2) {
-		return -1;
-	} else if (u1 > u2) {
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-/* Sort entries by GID */
-int gr_sort ()
-{
-	return commonio_sort (&group_db, gr_cmp);
-}
-
-static int group_open_hook (void)
-{
-	unsigned int max_members = getdef_unum("MAX_MEMBERS_PER_GROUP", 0);
-	struct commonio_entry *gr1, *gr2;
-
-	if (0 == max_members) {
-		return 1;
-	}
-
-	for (gr1 = group_db.head; NULL != gr1; gr1 = gr1->next) {
-		for (gr2 = gr1->next; NULL != gr2; gr2 = gr2->next) {
-			struct group *g1 = (struct group *)gr1->eptr;
-			struct group *g2 = (struct group *)gr2->eptr;
-			if (NULL != g1 &&
-			    NULL != g2 &&
-			    0 == strcmp (g1->gr_name, g2->gr_name) &&
-			    0 == strcmp (g1->gr_passwd, g2->gr_passwd) &&
-			    g1->gr_gid == g2->gr_gid) {
-				/* Both group entries refer to the same
-				 * group. It is a split group. Merge the
-				 * members. */
-				gr1 = merge_group_entries (gr1, gr2);
-				if (NULL == gr1)
-					return 0;
-				/* Unlink gr2 */
-				if (NULL != gr2->next) {
-					gr2->next->prev = gr2->prev;
-				}
-				/* gr2 does not start with head */
-				assert (NULL != gr2->prev);
-				gr2->prev->next = gr2->next;
-			}
-		}
-		assert (NULL != gr1);
-	}
-
-	return 1;
-}
-
-/*
- * Merge the list of members of the two group entries.
- *
- * The commonio_entry arguments shall be group entries.
- *
- * You should not merge the members of two groups if they don't have the
- * same name, password and gid.
- *
- * It merge the members of the second entry in the first one, and return
- * the modified first entry on success, or NULL on failure (with errno
- * set).
- */
-static /*@null@*/struct commonio_entry *merge_group_entries (
-	/*@null@*/ /*@returned@*/struct commonio_entry *gr1,
-	/*@null@*/struct commonio_entry *gr2)
-{
-	struct group *gptr1;
-	struct group *gptr2;
-	char **new_members;
-	size_t members = 0;
-	char *new_line;
-	size_t new_line_len, i;
-	if (NULL == gr2 || NULL == gr1) {
-		errno = EINVAL;
-		return NULL;
-	}
-
-	gptr1 = (struct group *)gr1->eptr;
-	gptr2 = (struct group *)gr2->eptr;
-	if (NULL == gptr2 || NULL == gptr1) {
-		errno = EINVAL;
-		return NULL;
-	}
-
-	/* Concatenate the 2 lines */
-	new_line_len = strlen (gr1->line) + strlen (gr2->line) +2;
-	new_line = (char *)malloc ((new_line_len + 1) * sizeof(char*));
-	if (NULL == new_line) {
-		errno = ENOMEM;
-		return NULL;
-	}
-	snprintf(new_line, new_line_len, "%s\n%s", gr1->line, gr2->line);
-	new_line[new_line_len] = '\0';
-
-	/* Concatenate the 2 list of members */
-	for (i=0; NULL != gptr1->gr_mem[i]; i++);
-	members += i;
-	for (i=0; NULL != gptr2->gr_mem[i]; i++) {
-		char **pmember = gptr1->gr_mem;
-		while (NULL != *pmember) {
-			if (0 == strcmp(*pmember, gptr2->gr_mem[i])) {
-				break;
-			}
-			pmember++;
-		}
-		if (NULL == *pmember) {
-			members++;
-		}
-	}
-	new_members = (char **)malloc ( (members+1) * sizeof(char*) );
-	if (NULL == new_members) {
-		free (new_line);
-		errno = ENOMEM;
-		return NULL;
-	}
-	for (i=0; NULL != gptr1->gr_mem[i]; i++) {
-		new_members[i] = gptr1->gr_mem[i];
-	}
-	members = i;
-	for (i=0; NULL != gptr2->gr_mem[i]; i++) {
-		char **pmember = new_members;
-		while (NULL != *pmember) {
-			if (0 == strcmp(*pmember, gptr2->gr_mem[i])) {
-				break;
-			}
-			pmember++;
-		}
-		if (NULL == *pmember) {
-			new_members[members] = gptr2->gr_mem[i];
-			members++;
-			new_members[members] = NULL;
-		}
-	}
-
-	gr1->line = new_line;
-	gptr1->gr_mem = new_members;
-
-	return gr1;
-}
-
-/*
- * Scan the group database and split the groups which have more members
- * than specified, if this is the result from a current change.
- *
- * Return 0 on failure (errno set) and 1 on success.
- */
-static int split_groups (unsigned int max_members)
-{
-	struct commonio_entry *gr;
-
-	for (gr = group_db.head; NULL != gr; gr = gr->next) {
-		struct group *gptr = (struct group *)gr->eptr;
-		struct commonio_entry *new;
-		struct group *new_gptr;
-		unsigned int members = 0;
-		unsigned int i;
-
-		/* Check if this group must be split */
-		if (!gr->changed) {
-			continue;
-		}
-		if (NULL == gptr) {
-			continue;
-		}
-		for (members = 0; NULL != gptr->gr_mem[members]; members++);
-		if (members <= max_members) {
-			continue;
-		}
-
-		new = (struct commonio_entry *) malloc (sizeof *new);
-		if (NULL == new) {
-			errno = ENOMEM;
-			return 0;
-		}
-		new->eptr = group_dup(gr->eptr);
-		if (NULL == new->eptr) {
-			free (new);
-			errno = ENOMEM;
-			return 0;
-		}
-		new_gptr = (struct group *)new->eptr;
-		new->line = NULL;
-		new->changed = true;
-
-		/* Enforce the maximum number of members on gptr */
-		for (i = max_members; NULL != gptr->gr_mem[i]; i++) {
-			free (gptr->gr_mem[i]);
-			gptr->gr_mem[i] = NULL;
-		}
-		/* Shift all the members */
-		/* The number of members in new_gptr will be check later */
-		for (i = 0; NULL != new_gptr->gr_mem[i + max_members]; i++) {
-			if (NULL != new_gptr->gr_mem[i]) {
-				free (new_gptr->gr_mem[i]);
-			}
-			new_gptr->gr_mem[i] = new_gptr->gr_mem[i + max_members];
-			new_gptr->gr_mem[i + max_members] = NULL;
-		}
-		for (; NULL != new_gptr->gr_mem[i]; i++) {
-			free (new_gptr->gr_mem[i]);
-			new_gptr->gr_mem[i] = NULL;
-		}
-
-		/* insert the new entry in the list */
-		new->prev = gr;
-		new->next = gr->next;
-		gr->next = new;
-	}
-
-	return 1;
-}
-

lib/groupmem.c

@@ -55,15 +55,14 @@
 	gr->gr_name = strdup (grent->gr_name);
 	/*@=mustfreeonly@*/
 	if (NULL == gr->gr_name) {
-		free(gr);
+		gr_free(gr);
 		return NULL;
 	}
 	/*@-mustfreeonly@*/
 	gr->gr_passwd = strdup (grent->gr_passwd);
 	/*@=mustfreeonly@*/
 	if (NULL == gr->gr_passwd) {
-		free(gr->gr_name);
-		free(gr);
+		gr_free(gr);
 		return NULL;
 	}
 
@@ -73,21 +72,13 @@
 	gr->gr_mem = (char **) malloc ((i + 1) * sizeof (char *));
 	/*@=mustfreeonly@*/
 	if (NULL == gr->gr_mem) {
-		free(gr->gr_passwd);
-		free(gr->gr_name);
-		free(gr);
+		gr_free(gr);
 		return NULL;
 	}
 	for (i = 0; grent->gr_mem[i]; i++) {
 		gr->gr_mem[i] = strdup (grent->gr_mem[i]);
 		if (NULL == gr->gr_mem[i]) {
-			int j;
-			for (j=0; j<i; j++)
-				free(gr->gr_mem[j]);
-			free(gr->gr_mem);
-			free(gr->gr_passwd);
-			free(gr->gr_name);
-			free(gr);
+			gr_free(gr);
 			return NULL;
 		}
 	}

lib/prototypes.h

@@ -72,6 +72,14 @@ extern int expire (const struct passwd *, /*@null@*/const struct spwd *);
 /* isexpired.c */
 extern int isexpired (const struct passwd *, /*@null@*/const struct spwd *);
 
+/* btrfs.c */
+#ifdef WITH_BTRFS
+extern int btrfs_create_subvolume(const char *path);
+extern int btrfs_remove_subvolume(const char *path);
+extern int btrfs_is_subvolume(const char *path);
+extern int is_btrfs(const char *path);
+#endif
+
 /* basename() renamed to Basename() to avoid libc name space confusion */
 /* basename.c */
 extern /*@observer@*/const char *Basename (const char *str);
@@ -179,6 +187,9 @@ extern int getrange (char *range,
                      unsigned long *min, bool *has_min,
                      unsigned long *max, bool *has_max);
 
+/* gettime.c */
+extern time_t gettime ();
+
 /* get_uid.c */
 extern int get_uid (const char *uidstr, uid_t *uid);
 
@@ -251,9 +262,9 @@ extern void motd (void);
 /* myname.c */
 extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
 
-/* pam_pass_non_interractive.c */
+/* pam_pass_non_interactive.c */
 #ifdef USE_PAM
-extern int do_pam_passwd_non_interractive (const char *pam_service,
+extern int do_pam_passwd_non_interactive (const char *pam_service,
                                            const char *username,
                                            const char* password);
 #endif				/* USE_PAM */
@@ -271,6 +282,21 @@ extern void do_pam_passwd (const char *user, bool silent, bool change_expired);
 /* port.c */
 extern bool isttytime (const char *, const char *, time_t);
 
+/* prefix_flag.c */
+extern const char* process_prefix_flag (const char* short_opt, int argc, char **argv);
+extern struct group *prefix_getgrnam(const char *name);
+extern struct group *prefix_getgrgid(gid_t gid);
+extern struct passwd *prefix_getpwuid(uid_t uid);
+extern struct passwd *prefix_getpwnam(const char* name);
+extern struct spwd *prefix_getspnam(const char* name);
+extern struct group *prefix_getgr_nam_gid(const char *grname);
+extern void prefix_setpwent();
+extern struct passwd* prefix_getpwent();
+extern void prefix_endpwent();
+extern void prefix_setgrent();
+extern struct group* prefix_getgrent();
+extern void prefix_endgrent();
+
 /* pwd2spwd.c */
 #ifndef USE_PAM
 extern struct spwd *pwd_to_spwd (const struct passwd *);
@@ -310,6 +336,7 @@ extern /*@observer@*/const char *crypt_make_salt (/*@null@*//*@observer@*/const
 #ifdef WITH_SELINUX
 extern int set_selinux_file_context (const char *dst_name);
 extern int reset_selinux_file_context (void);
+extern int check_selinux_permit (const char *perm_name);
 #endif
 
 /* semanage.c */
@@ -398,17 +425,19 @@ extern int set_filesize_limit (int blocks);
 extern int user_busy (const char *name, uid_t uid);
 
 /* utmp.c */
+#ifndef USE_UTMPX
 extern /*@null@*/struct utmp *get_current_utmp (void);
 extern struct utmp *prepare_utmp (const char *name,
                                   const char *line,
                                   const char *host,
                                   /*@null@*/const struct utmp *ut);
 extern int setutmp (struct utmp *ut);
-#ifdef USE_UTMPX
+#else
+extern /*@null@*/struct utmpx *get_current_utmp (void);
 extern struct utmpx *prepare_utmpx (const char *name,
                                     const char *line,
                                     const char *host,
-                                    /*@null@*/const struct utmp *ut);
+                                    /*@null@*/const struct utmpx *ut);
 extern int setutmpx (struct utmpx *utx);
 #endif				/* USE_UTMPX */
 

lib/pwio.c

@@ -105,13 +105,17 @@ static struct commonio_db passwd_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif
+	0644,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int pw_setdbname (const char *filename)

lib/pwmem.c

@@ -56,45 +56,35 @@
 	pw->pw_name = strdup (pwent->pw_name);
 	/*@=mustfreeonly@*/
 	if (NULL == pw->pw_name) {
-		free(pw);
+		pw_free(pw);
 		return NULL;
 	}
 	/*@-mustfreeonly@*/
 	pw->pw_passwd = strdup (pwent->pw_passwd);
 	/*@=mustfreeonly@*/
 	if (NULL == pw->pw_passwd) {
-		free(pw->pw_name);
-		free(pw);
+		pw_free(pw);
 		return NULL;
 	}
 	/*@-mustfreeonly@*/
 	pw->pw_gecos = strdup (pwent->pw_gecos);
 	/*@=mustfreeonly@*/
 	if (NULL == pw->pw_gecos) {
-		free(pw->pw_passwd);
-		free(pw->pw_name);
-		free(pw);
+		pw_free(pw);
 		return NULL;
 	}
 	/*@-mustfreeonly@*/
 	pw->pw_dir = strdup (pwent->pw_dir);
 	/*@=mustfreeonly@*/
 	if (NULL == pw->pw_dir) {
-		free(pw->pw_gecos);
-		free(pw->pw_passwd);
-		free(pw->pw_name);
-		free(pw);
+		pw_free(pw);
 		return NULL;
 	}
 	/*@-mustfreeonly@*/
 	pw->pw_shell = strdup (pwent->pw_shell);
 	/*@=mustfreeonly@*/
 	if (NULL == pw->pw_shell) {
-		free(pw->pw_dir);
-		free(pw->pw_gecos);
-		free(pw->pw_passwd);
-		free(pw->pw_name);
-		free(pw);
+		pw_free(pw);
 		return NULL;
 	}
 

lib/selinux.c

@@ -34,6 +34,7 @@
 #include "defines.h"
 
 #include <selinux/selinux.h>
+#include <selinux/context.h>
 #include "prototypes.h"
 
 
@@ -98,6 +99,105 @@ int reset_selinux_file_context (void)
 	return 0;
 }
 
+/*
+ *  Log callback for libselinux internal error reporting.
+ */
+__attribute__((__format__ (printf, 2, 3)))
+static int selinux_log_cb (int type, const char *fmt, ...) {
+	va_list ap;
+	char *buf;
+	int r;
+#ifdef WITH_AUDIT
+	static int selinux_audit_fd = -2;
+#endif
+
+	va_start (ap, fmt);
+	r = vasprintf (&buf, fmt, ap);
+	va_end (ap);
+
+	if (r < 0) {
+		return 0;
+	}
+
+#ifdef WITH_AUDIT
+	if (-2 == selinux_audit_fd) {
+		selinux_audit_fd = audit_open ();
+
+		if (-1 == selinux_audit_fd) {
+			/* You get these only when the kernel doesn't have
+			 * audit compiled in. */
+			if (   (errno != EINVAL)
+			    && (errno != EPROTONOSUPPORT)
+			    && (errno != EAFNOSUPPORT)) {
+
+			    (void) fputs (_("Cannot open audit interface.\n"),
+			              stderr);
+			    SYSLOG ((LOG_WARN, "Cannot open audit interface."));
+			}
+		}
+	}
+
+	if (-1 != selinux_audit_fd) {
+		if (SELINUX_AVC == type) {
+			if (audit_log_user_avc_message (selinux_audit_fd,
+			    AUDIT_USER_AVC, buf, NULL, NULL,
+			    NULL, 0) > 0) {
+				goto skip_syslog;
+			}
+		} else if (SELINUX_ERROR == type) {
+			if (audit_log_user_avc_message (selinux_audit_fd,
+			    AUDIT_USER_SELINUX_ERR, buf, NULL, NULL,
+			    NULL, 0) > 0) {
+				goto skip_syslog;
+			}
+		}
+	}
+#endif
+
+	SYSLOG ((LOG_WARN, "libselinux: %s", buf));
+
+skip_syslog:
+	free (buf);
+
+	return 0;
+}
+
+/*
+ * check_selinux_permit - Check whether SELinux grants the given
+ *                        operation
+ *
+ *   Parameter is the SELinux permission name, e.g. rootok
+ *
+ *   Returns 0 when permission is granted
+ *                  or something failed but running in
+ *                  permissive mode
+ */
+int check_selinux_permit (const char *perm_name)
+{
+	char *user_context_str;
+	int r;
+
+	if (0 == is_selinux_enabled ()) {
+		return 0;
+	}
+
+	selinux_set_callback (SELINUX_CB_LOG, (union selinux_callback) selinux_log_cb);
+
+	if (getprevcon (&user_context_str) != 0) {
+		fprintf (stderr,
+		    _("%s: can not get previous SELinux process context: %s\n"),
+		    Prog, strerror (errno));
+		SYSLOG ((LOG_WARN,
+		    "can not get previous SELinux process context: %s",
+		    strerror (errno)));
+		return (security_getenforce () != 0);
+	}
+
+	r = selinux_check_access (user_context_str, user_context_str, "passwd", perm_name, NULL);
+	freecon (user_context_str);
+	return r;
+}
+
 #else				/* !WITH_SELINUX */
 extern int errno;		/* warning: ANSI C forbids an empty source file */
 #endif				/* !WITH_SELINUX */

lib/sgetgrent.c

@@ -136,7 +136,7 @@ struct group *sgetgrent (const char *buf)
 			cp++;
 		}
 	}
-	if (i < (NFIELDS - 1) || *grpfields[2] == '\0') {
+	if (i < (NFIELDS - 1) || *grpfields[2] == '\0' || cp != NULL) {
 		return (struct group *) 0;
 	}
 	grent.gr_name = grpfields[0];

lib/sgetpwent.c

@@ -90,6 +90,11 @@ struct passwd *sgetpwent (const char *buf)
 		}
 	}
 
+	/* something at the end, columns over shot */
+	if( cp != NULL ) {
+		return( NULL );
+	}
+
 	/*
 	 * There must be exactly NFIELDS colon separated fields or
 	 * the entry is invalid.  Also, the UID and GID must be non-blank.

lib/sgroupio.c

@@ -40,6 +40,7 @@
 #include "prototypes.h"
 #include "defines.h"
 #include "commonio.h"
+#include "getdef.h"
 #include "sgroupio.h"
 
 /*@null@*/ /*@only@*/struct sgrp *__sgr_dup (const struct sgrp *sgent)
@@ -228,13 +229,17 @@ static struct commonio_db gshadow_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif
+	0400,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int sgr_setdbname (const char *filename)
@@ -249,6 +254,8 @@ int sgr_setdbname (const char *filename)
 
 bool sgr_file_present (void)
 {
+	if (getdef_bool ("FORCE_SHADOW"))
+		return true;
 	return commonio_present (&gshadow_db);
 }
 

lib/shadowio.c

@@ -40,6 +40,7 @@
 #include <shadow.h>
 #include <stdio.h>
 #include "commonio.h"
+#include "getdef.h"
 #include "shadowio.h"
 #ifdef WITH_TCB
 #include <tcb.h>
@@ -104,13 +105,17 @@ static struct commonio_db shadow_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif				/* WITH_SELINUX */
+	0400,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int spw_setdbname (const char *filename)
@@ -125,6 +130,8 @@ int spw_setdbname (const char *filename)
 
 bool spw_file_present (void)
 {
+	if (getdef_bool ("FORCE_SHADOW"))
+		return true;
 	return commonio_present (&shadow_db);
 }
 

lib/shadowio.h

@@ -31,8 +31,8 @@
  */
 
 /* $Id$ */
-#ifndef _SHADOWIO_H
-#define _SHADOWIO_H
+#ifndef SHADOWIO_H
+#define SHADOWIO_H
 
 #include "defines.h"
 

lib/spawn.c

@@ -68,8 +68,10 @@ int run_command (const char *cmd, const char *argv[],
 
 	do {
 		wpid = waitpid (pid, status, 0);
+		if ((pid_t)-1 == wpid && errno == ECHILD)
+			break;
 	} while (   ((pid_t)-1 == wpid && errno == EINTR)
-	         || (wpid != pid));
+	         || ((pid_t)-1 != wpid && wpid != pid));
 
 	if ((pid_t)-1 == wpid) {
 		fprintf (stderr, "%s: waitpid (status: %d): %s\n",

lib/sssd.c

@@ -0,0 +1,75 @@
+/* Author: Peter Vrabec <pvrabec@redhat.com> */
+
+#include <config.h>
+#ifdef USE_SSSD
+
+#include <stdio.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include "exitcodes.h"
+#include "defines.h"
+#include "prototypes.h"
+#include "sssd.h"
+
+#define MSG_SSSD_FLUSH_CACHE_FAILED "%s: Failed to flush the sssd cache.\n"
+
+int sssd_flush_cache (int dbflags)
+{
+	int status, code, rv;
+	const char *cmd = "/usr/sbin/sss_cache";
+	char *sss_cache_args = NULL;
+	const char *spawnedArgs[] = {"sss_cache", NULL, NULL};
+	const char *spawnedEnv[] = {NULL};
+	int i = 0;
+
+	sss_cache_args = malloc(4);
+	if (sss_cache_args == NULL) {
+	    return -1;
+	}
+
+	sss_cache_args[i++] = '-';
+	if (dbflags & SSSD_DB_PASSWD) {
+		sss_cache_args[i++] = 'U';
+	}
+	if (dbflags & SSSD_DB_GROUP) {
+		sss_cache_args[i++] = 'G';
+	}
+	sss_cache_args[i++] = '\0';
+	if (i == 2) {
+		/* Neither passwd nor group, nothing to do */
+		free(sss_cache_args);
+		return 0;
+	}
+	spawnedArgs[1] = sss_cache_args;
+
+	rv = run_command (cmd, spawnedArgs, spawnedEnv, &status);
+	free(sss_cache_args);
+	if (rv != 0) {
+		/* run_command writes its own more detailed message. */
+		(void) fprintf (stderr, _(MSG_SSSD_FLUSH_CACHE_FAILED), Prog);
+		return -1;
+	}
+
+	code = WEXITSTATUS (status);
+	if (!WIFEXITED (status)) {
+		(void) fprintf (stderr,
+		                _("%s: sss_cache did not terminate normally (signal %d)\n"),
+		                Prog, WTERMSIG (status));
+		return -1;
+	} else if (code == E_CMD_NOTFOUND) {
+		/* sss_cache is not installed, or it is installed but uses an
+		   interpreter that is missing.  Probably the former. */
+		return 0;
+	} else if (code != 0) {
+		(void) fprintf (stderr, _("%s: sss_cache exited with status %d\n"),
+		                Prog, code);
+		(void) fprintf (stderr, _(MSG_SSSD_FLUSH_CACHE_FAILED), Prog);
+		return -1;
+	}
+
+	return 0;
+}
+#else				/* USE_SSSD */
+extern int errno;		/* warning: ANSI C forbids an empty source file */
+#endif				/* USE_SSSD */
+

lib/sssd.h

@@ -0,0 +1,17 @@
+#ifndef _SSSD_H_
+#define _SSSD_H_
+
+#define SSSD_DB_PASSWD	0x001
+#define SSSD_DB_GROUP	0x002
+
+/*
+ * sssd_flush_cache - flush specified service buffer in sssd cache
+ */
+#ifdef	USE_SSSD
+extern int sssd_flush_cache (int dbflags);
+#else
+#define sssd_flush_cache(service) (0)
+#endif
+
+#endif
+

lib/subordinateio.c

@@ -11,6 +11,8 @@
 #include <stdio.h>
 #include "commonio.h"
 #include "subordinateio.h"
+#include <sys/types.h>
+#include <pwd.h>
 
 struct subordinate_range {
 	const char *owner;
@@ -150,11 +152,6 @@ static struct commonio_ops subordinate_ops = {
 	NULL,			/* close_hook */
 };
 
-static /*@observer@*/ /*@null*/const struct subordinate_range *subordinate_next(struct commonio_db *db)
-{
-	return (const struct subordinate_range *)commonio_next (db);
-}
-
 /*
  * range_exists: Check whether @owner owns any ranges
  *
@@ -179,7 +176,7 @@ static const bool range_exists(struct commonio_db *db, const char *owner)
  *             subuid @val.
  *
  * @db: database to query
- * @owner: owning uid being queuried
+ * @owner: owning uid being queried
  * @val: subuid being searched for.
  *
  * Returns a range of subuids belonging to @owner and including the subuid
@@ -189,6 +186,15 @@ static const struct subordinate_range *find_range(struct commonio_db *db,
 						  const char *owner, unsigned long val)
 {
 	const struct subordinate_range *range;
+
+	/*
+	 * Search for exact username/group specification
+	 *
+	 * This is the original method - go fast through the db, doing only
+	 * exact username/group string comparison. Therefore we leave it as-is
+	 * for the time being, in order to keep it equally fast as it was
+	 * before.
+	 */
 	commonio_rewind(db);
 	while ((range = commonio_next(db)) != NULL) {
 		unsigned long first = range->start;
@@ -200,6 +206,76 @@ static const struct subordinate_range *find_range(struct commonio_db *db,
 		if ((val >= first) && (val <= last))
 			return range;
 	}
+
+
+        /*
+         * We only do special handling for these two files
+         */
+        if ((0 != strcmp(db->filename, "/etc/subuid")) && (0 != strcmp(db->filename, "/etc/subgid")))
+                return NULL;
+
+        /*
+         * Search loop above did not produce any result. Let's rerun it,
+         * but this time try to match actual UIDs. The first entry that
+         * matches is considered a success.
+         * (It may be specified as literal UID or as another username which
+         * has the same UID as the username we are looking for.)
+         */
+        struct passwd *pwd;
+        uid_t          owner_uid;
+        char           owner_uid_string[33] = "";
+
+
+        /* Get UID of the username we are looking for */
+        pwd = getpwnam(owner);
+        if (NULL == pwd) {
+                /* Username not defined in /etc/passwd, or error occured during lookup */
+                return NULL;
+        }
+        owner_uid = pwd->pw_uid;
+        sprintf(owner_uid_string, "%lu", (unsigned long int)owner_uid);
+
+        commonio_rewind(db);
+        while ((range = commonio_next(db)) != NULL) {
+                unsigned long first = range->start;
+                unsigned long last = first + range->count - 1;
+
+                /* For performance reasons check range before using getpwnam() */
+                if ((val < first) || (val > last)) {
+                        continue;
+                }
+
+                /*
+                 * Range matches. Check if range owner is specified
+                 * as numeric UID and if it matches.
+                 */
+                if (0 == strcmp(range->owner, owner_uid_string)) {
+                        return range;
+                }
+
+                /*
+                 * Ok, this range owner is not specified as numeric UID
+                 * we are looking for. It may be specified as another
+                 * UID or as a literal username.
+                 *
+                 * If specified as another UID, the call to getpwnam()
+                 * will return NULL.
+                 *
+                 * If specified as literal username, we will get its
+                 * UID and compare that to UID we are looking for.
+                 */
+                const struct passwd *range_owner_pwd;
+
+                range_owner_pwd = getpwnam(range->owner);
+                if (NULL == range_owner_pwd) {
+                        continue;
+                }
+
+                if (owner_uid == range_owner_pwd->pw_uid) {
+                        return range;
+                }
+        }
+
 	return NULL;
 }
 
@@ -337,7 +413,7 @@ fail:
  * @start: the first uid in the owned range
  * @count: the number of uids in the range
  *
- * Return 1 if the range is already present or on succcess.  On error
+ * Return 1 if the range is already present or on success.  On error
  * return 0 and set errno appropriately.
  */
 static int add_range(struct commonio_db *db,
@@ -460,13 +536,17 @@ static struct commonio_db subordinate_uid_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif
+	0644,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int sub_uid_setdbname (const char *filename)
@@ -538,13 +618,17 @@ static struct commonio_db subordinate_gid_db = {
 #ifdef WITH_SELINUX
 	NULL,			/* scontext */
 #endif
+	0644,                   /* st_mode */
+	0,                      /* st_uid */
+	0,                      /* st_gid */
 	NULL,			/* head */
 	NULL,			/* tail */
 	NULL,			/* cursor */
 	false,			/* changed */
 	false,			/* isopen */
 	false,			/* locked */
-	false			/* readonly */
+	false,			/* readonly */
+	false			/* setname */
 };
 
 int sub_gid_setdbname (const char *filename)

libmisc/Makefile.am

@@ -1,7 +1,7 @@
 
 EXTRA_DIST = .indent.pro xgetXXbyYY.c
 
-INCLUDES = -I$(top_srcdir)/lib
+AM_CPPFLAGS = -I$(top_srcdir)/lib $(ECONF_CPPFLAGS)
 
 noinst_LIBRARIES = libmisc.a
 
@@ -31,6 +31,7 @@ libmisc_a_SOURCES = \
 	getdate.y \
 	getgr_nam_gid.c \
 	getrange.c \
+	gettime.c \
 	hushed.c \
 	idmapping.h \
 	idmapping.c \
@@ -43,7 +44,8 @@ libmisc_a_SOURCES = \
 	myname.c \
 	obscure.c \
 	pam_pass.c \
-	pam_pass_non_interractive.c \
+	pam_pass_non_interactive.c \
+	prefix_flag.c \
 	pwd2spwd.c \
 	pwdcheck.c \
 	pwd_init.c \
@@ -70,3 +72,8 @@ libmisc_a_SOURCES = \
 	xgetspnam.c \
 	xmalloc.c \
 	yesno.c
+
+if WITH_BTRFS
+libmisc_a_SOURCES += btrfs.c
+endif
+

libmisc/Makefile.in

@@ -0,0 +1,917 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
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+  if $(am__is_gnu_make); then \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
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+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+      -[JT]) skip_next=yes;; \
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+      *$$target_option*) has_opt=yes; break;; \
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+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+	chkname.c chkname.h chowndir.c chowntty.c cleanup.c \
+	cleanup_group.c cleanup_user.c console.c copydir.c entry.c \
+	env.c failure.c failure.h find_new_gid.c find_new_uid.c \
+	find_new_sub_gids.c find_new_sub_uids.c getdate.h getdate.y \
+	getgr_nam_gid.c getrange.c gettime.c hushed.c idmapping.h \
+	idmapping.c isexpired.c limits.c list.c log.c loginprompt.c \
+	mail.c motd.c myname.c obscure.c pam_pass.c \
+	pam_pass_non_interactive.c prefix_flag.c pwd2spwd.c pwdcheck.c \
+	pwd_init.c remove_tree.c rlogin.c root_flag.c salt.c setugid.c \
+	setupenv.c shell.c strtoday.c sub.c sulog.c ttytype.c tz.c \
+	ulimit.c user_busy.c utmp.c valid.c xgetpwnam.c xgetpwuid.c \
+	xgetgrnam.c xgetgrgid.c xgetspnam.c xmalloc.c yesno.c btrfs.c
+@WITH_BTRFS_TRUE@am__objects_1 = btrfs.$(OBJEXT)
+am_libmisc_a_OBJECTS = addgrps.$(OBJEXT) age.$(OBJEXT) \
+	audit_help.$(OBJEXT) basename.$(OBJEXT) chkname.$(OBJEXT) \
+	chowndir.$(OBJEXT) chowntty.$(OBJEXT) cleanup.$(OBJEXT) \
+	cleanup_group.$(OBJEXT) cleanup_user.$(OBJEXT) \
+	console.$(OBJEXT) copydir.$(OBJEXT) entry.$(OBJEXT) \
+	env.$(OBJEXT) failure.$(OBJEXT) find_new_gid.$(OBJEXT) \
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+	find_new_sub_uids.$(OBJEXT) getdate.$(OBJEXT) \
+	getgr_nam_gid.$(OBJEXT) getrange.$(OBJEXT) gettime.$(OBJEXT) \
+	hushed.$(OBJEXT) idmapping.$(OBJEXT) isexpired.$(OBJEXT) \
+	limits.$(OBJEXT) list.$(OBJEXT) log.$(OBJEXT) \
+	loginprompt.$(OBJEXT) mail.$(OBJEXT) motd.$(OBJEXT) \
+	myname.$(OBJEXT) obscure.$(OBJEXT) pam_pass.$(OBJEXT) \
+	pam_pass_non_interactive.$(OBJEXT) prefix_flag.$(OBJEXT) \
+	pwd2spwd.$(OBJEXT) pwdcheck.$(OBJEXT) pwd_init.$(OBJEXT) \
+	remove_tree.$(OBJEXT) rlogin.$(OBJEXT) root_flag.$(OBJEXT) \
+	salt.$(OBJEXT) setugid.$(OBJEXT) setupenv.$(OBJEXT) \
+	shell.$(OBJEXT) strtoday.$(OBJEXT) sub.$(OBJEXT) \
+	sulog.$(OBJEXT) ttytype.$(OBJEXT) tz.$(OBJEXT) \
+	ulimit.$(OBJEXT) user_busy.$(OBJEXT) utmp.$(OBJEXT) \
+	valid.$(OBJEXT) xgetpwnam.$(OBJEXT) xgetpwuid.$(OBJEXT) \
+	xgetgrnam.$(OBJEXT) xgetgrgid.$(OBJEXT) xgetspnam.$(OBJEXT) \
+	xmalloc.$(OBJEXT) yesno.$(OBJEXT) $(am__objects_1)
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+AM_V_P = $(am__v_P_@AM_V@)
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+am__depfiles_remade = ./$(DEPDIR)/addgrps.Po ./$(DEPDIR)/age.Po \
+	./$(DEPDIR)/audit_help.Po ./$(DEPDIR)/basename.Po \
+	./$(DEPDIR)/btrfs.Po ./$(DEPDIR)/chkname.Po \
+	./$(DEPDIR)/chowndir.Po ./$(DEPDIR)/chowntty.Po \
+	./$(DEPDIR)/cleanup.Po ./$(DEPDIR)/cleanup_group.Po \
+	./$(DEPDIR)/cleanup_user.Po ./$(DEPDIR)/console.Po \
+	./$(DEPDIR)/copydir.Po ./$(DEPDIR)/entry.Po ./$(DEPDIR)/env.Po \
+	./$(DEPDIR)/failure.Po ./$(DEPDIR)/find_new_gid.Po \
+	./$(DEPDIR)/find_new_sub_gids.Po \
+	./$(DEPDIR)/find_new_sub_uids.Po ./$(DEPDIR)/find_new_uid.Po \
+	./$(DEPDIR)/getdate.Po ./$(DEPDIR)/getgr_nam_gid.Po \
+	./$(DEPDIR)/getrange.Po ./$(DEPDIR)/gettime.Po \
+	./$(DEPDIR)/hushed.Po ./$(DEPDIR)/idmapping.Po \
+	./$(DEPDIR)/isexpired.Po ./$(DEPDIR)/limits.Po \
+	./$(DEPDIR)/list.Po ./$(DEPDIR)/log.Po \
+	./$(DEPDIR)/loginprompt.Po ./$(DEPDIR)/mail.Po \
+	./$(DEPDIR)/motd.Po ./$(DEPDIR)/myname.Po \
+	./$(DEPDIR)/obscure.Po ./$(DEPDIR)/pam_pass.Po \
+	./$(DEPDIR)/pam_pass_non_interactive.Po \
+	./$(DEPDIR)/prefix_flag.Po ./$(DEPDIR)/pwd2spwd.Po \
+	./$(DEPDIR)/pwd_init.Po ./$(DEPDIR)/pwdcheck.Po \
+	./$(DEPDIR)/remove_tree.Po ./$(DEPDIR)/rlogin.Po \
+	./$(DEPDIR)/root_flag.Po ./$(DEPDIR)/salt.Po \
+	./$(DEPDIR)/setugid.Po ./$(DEPDIR)/setupenv.Po \
+	./$(DEPDIR)/shell.Po ./$(DEPDIR)/strtoday.Po \
+	./$(DEPDIR)/sub.Po ./$(DEPDIR)/sulog.Po ./$(DEPDIR)/ttytype.Po \
+	./$(DEPDIR)/tz.Po ./$(DEPDIR)/ulimit.Po \
+	./$(DEPDIR)/user_busy.Po ./$(DEPDIR)/utmp.Po \
+	./$(DEPDIR)/valid.Po ./$(DEPDIR)/xgetgrgid.Po \
+	./$(DEPDIR)/xgetgrnam.Po ./$(DEPDIR)/xgetpwnam.Po \
+	./$(DEPDIR)/xgetpwuid.Po ./$(DEPDIR)/xgetspnam.Po \
+	./$(DEPDIR)/xmalloc.Po ./$(DEPDIR)/yesno.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
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+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-rm -f getdate.c
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/addgrps.Po
+	-rm -f ./$(DEPDIR)/age.Po
+	-rm -f ./$(DEPDIR)/audit_help.Po
+	-rm -f ./$(DEPDIR)/basename.Po
+	-rm -f ./$(DEPDIR)/btrfs.Po
+	-rm -f ./$(DEPDIR)/chkname.Po
+	-rm -f ./$(DEPDIR)/chowndir.Po
+	-rm -f ./$(DEPDIR)/chowntty.Po
+	-rm -f ./$(DEPDIR)/cleanup.Po
+	-rm -f ./$(DEPDIR)/cleanup_group.Po
+	-rm -f ./$(DEPDIR)/cleanup_user.Po
+	-rm -f ./$(DEPDIR)/console.Po
+	-rm -f ./$(DEPDIR)/copydir.Po
+	-rm -f ./$(DEPDIR)/entry.Po
+	-rm -f ./$(DEPDIR)/env.Po
+	-rm -f ./$(DEPDIR)/failure.Po
+	-rm -f ./$(DEPDIR)/find_new_gid.Po
+	-rm -f ./$(DEPDIR)/find_new_sub_gids.Po
+	-rm -f ./$(DEPDIR)/find_new_sub_uids.Po
+	-rm -f ./$(DEPDIR)/find_new_uid.Po
+	-rm -f ./$(DEPDIR)/getdate.Po
+	-rm -f ./$(DEPDIR)/getgr_nam_gid.Po
+	-rm -f ./$(DEPDIR)/getrange.Po
+	-rm -f ./$(DEPDIR)/gettime.Po
+	-rm -f ./$(DEPDIR)/hushed.Po
+	-rm -f ./$(DEPDIR)/idmapping.Po
+	-rm -f ./$(DEPDIR)/isexpired.Po
+	-rm -f ./$(DEPDIR)/limits.Po
+	-rm -f ./$(DEPDIR)/list.Po
+	-rm -f ./$(DEPDIR)/log.Po
+	-rm -f ./$(DEPDIR)/loginprompt.Po
+	-rm -f ./$(DEPDIR)/mail.Po
+	-rm -f ./$(DEPDIR)/motd.Po
+	-rm -f ./$(DEPDIR)/myname.Po
+	-rm -f ./$(DEPDIR)/obscure.Po
+	-rm -f ./$(DEPDIR)/pam_pass.Po
+	-rm -f ./$(DEPDIR)/pam_pass_non_interactive.Po
+	-rm -f ./$(DEPDIR)/prefix_flag.Po
+	-rm -f ./$(DEPDIR)/pwd2spwd.Po
+	-rm -f ./$(DEPDIR)/pwd_init.Po
+	-rm -f ./$(DEPDIR)/pwdcheck.Po
+	-rm -f ./$(DEPDIR)/remove_tree.Po
+	-rm -f ./$(DEPDIR)/rlogin.Po
+	-rm -f ./$(DEPDIR)/root_flag.Po
+	-rm -f ./$(DEPDIR)/salt.Po
+	-rm -f ./$(DEPDIR)/setugid.Po
+	-rm -f ./$(DEPDIR)/setupenv.Po
+	-rm -f ./$(DEPDIR)/shell.Po
+	-rm -f ./$(DEPDIR)/strtoday.Po
+	-rm -f ./$(DEPDIR)/sub.Po
+	-rm -f ./$(DEPDIR)/sulog.Po
+	-rm -f ./$(DEPDIR)/ttytype.Po
+	-rm -f ./$(DEPDIR)/tz.Po
+	-rm -f ./$(DEPDIR)/ulimit.Po
+	-rm -f ./$(DEPDIR)/user_busy.Po
+	-rm -f ./$(DEPDIR)/utmp.Po
+	-rm -f ./$(DEPDIR)/valid.Po
+	-rm -f ./$(DEPDIR)/xgetgrgid.Po
+	-rm -f ./$(DEPDIR)/xgetgrnam.Po
+	-rm -f ./$(DEPDIR)/xgetpwnam.Po
+	-rm -f ./$(DEPDIR)/xgetpwuid.Po
+	-rm -f ./$(DEPDIR)/xgetspnam.Po
+	-rm -f ./$(DEPDIR)/xmalloc.Po
+	-rm -f ./$(DEPDIR)/yesno.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/addgrps.Po
+	-rm -f ./$(DEPDIR)/age.Po
+	-rm -f ./$(DEPDIR)/audit_help.Po
+	-rm -f ./$(DEPDIR)/basename.Po
+	-rm -f ./$(DEPDIR)/btrfs.Po
+	-rm -f ./$(DEPDIR)/chkname.Po
+	-rm -f ./$(DEPDIR)/chowndir.Po
+	-rm -f ./$(DEPDIR)/chowntty.Po
+	-rm -f ./$(DEPDIR)/cleanup.Po
+	-rm -f ./$(DEPDIR)/cleanup_group.Po
+	-rm -f ./$(DEPDIR)/cleanup_user.Po
+	-rm -f ./$(DEPDIR)/console.Po
+	-rm -f ./$(DEPDIR)/copydir.Po
+	-rm -f ./$(DEPDIR)/entry.Po
+	-rm -f ./$(DEPDIR)/env.Po
+	-rm -f ./$(DEPDIR)/failure.Po
+	-rm -f ./$(DEPDIR)/find_new_gid.Po
+	-rm -f ./$(DEPDIR)/find_new_sub_gids.Po
+	-rm -f ./$(DEPDIR)/find_new_sub_uids.Po
+	-rm -f ./$(DEPDIR)/find_new_uid.Po
+	-rm -f ./$(DEPDIR)/getdate.Po
+	-rm -f ./$(DEPDIR)/getgr_nam_gid.Po
+	-rm -f ./$(DEPDIR)/getrange.Po
+	-rm -f ./$(DEPDIR)/gettime.Po
+	-rm -f ./$(DEPDIR)/hushed.Po
+	-rm -f ./$(DEPDIR)/idmapping.Po
+	-rm -f ./$(DEPDIR)/isexpired.Po
+	-rm -f ./$(DEPDIR)/limits.Po
+	-rm -f ./$(DEPDIR)/list.Po
+	-rm -f ./$(DEPDIR)/log.Po
+	-rm -f ./$(DEPDIR)/loginprompt.Po
+	-rm -f ./$(DEPDIR)/mail.Po
+	-rm -f ./$(DEPDIR)/motd.Po
+	-rm -f ./$(DEPDIR)/myname.Po
+	-rm -f ./$(DEPDIR)/obscure.Po
+	-rm -f ./$(DEPDIR)/pam_pass.Po
+	-rm -f ./$(DEPDIR)/pam_pass_non_interactive.Po
+	-rm -f ./$(DEPDIR)/prefix_flag.Po
+	-rm -f ./$(DEPDIR)/pwd2spwd.Po
+	-rm -f ./$(DEPDIR)/pwd_init.Po
+	-rm -f ./$(DEPDIR)/pwdcheck.Po
+	-rm -f ./$(DEPDIR)/remove_tree.Po
+	-rm -f ./$(DEPDIR)/rlogin.Po
+	-rm -f ./$(DEPDIR)/root_flag.Po
+	-rm -f ./$(DEPDIR)/salt.Po
+	-rm -f ./$(DEPDIR)/setugid.Po
+	-rm -f ./$(DEPDIR)/setupenv.Po
+	-rm -f ./$(DEPDIR)/shell.Po
+	-rm -f ./$(DEPDIR)/strtoday.Po
+	-rm -f ./$(DEPDIR)/sub.Po
+	-rm -f ./$(DEPDIR)/sulog.Po
+	-rm -f ./$(DEPDIR)/ttytype.Po
+	-rm -f ./$(DEPDIR)/tz.Po
+	-rm -f ./$(DEPDIR)/ulimit.Po
+	-rm -f ./$(DEPDIR)/user_busy.Po
+	-rm -f ./$(DEPDIR)/utmp.Po
+	-rm -f ./$(DEPDIR)/valid.Po
+	-rm -f ./$(DEPDIR)/xgetgrgid.Po
+	-rm -f ./$(DEPDIR)/xgetgrnam.Po
+	-rm -f ./$(DEPDIR)/xgetpwnam.Po
+	-rm -f ./$(DEPDIR)/xgetpwuid.Po
+	-rm -f ./$(DEPDIR)/xgetspnam.Po
+	-rm -f ./$(DEPDIR)/xmalloc.Po
+	-rm -f ./$(DEPDIR)/yesno.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libmisc/btrfs.c

@@ -0,0 +1,111 @@
+#include <linux/btrfs_tree.h>
+#include <linux/magic.h>
+#include <sys/statfs.h>
+#include <stdbool.h>
+
+#include "prototypes.h"
+
+static bool path_exists(const char *p)
+{
+	int ret;
+	struct stat sb;
+
+	return stat(p, &sb) == 0;
+}
+
+static const char *btrfs_cmd(void)
+{
+	const char *btrfs_paths[] = {"/sbin/btrfs",
+		"/bin/btrfs", "/usr/sbin/btrfs", "/usr/bin/btrfs", NULL};
+	const char *p;
+	int i;
+
+	for (i = 0, p = btrfs_paths[i]; p; i++, p = btrfs_paths[i])
+		if (path_exists(p))
+			return p;
+
+	return NULL;
+}
+
+static int run_btrfs_subvolume_cmd(const char *subcmd, const char *arg1, const char *arg2)
+{
+	int status = 0;
+	const char *cmd = btrfs_cmd();
+	const char *argv[] = {
+		"btrfs",
+		"subvolume",
+		subcmd,
+		arg1,
+		arg2,
+		NULL
+	};
+
+	if (access(cmd, X_OK)) {
+		return 1;
+	}
+
+	if (run_command(cmd, argv, NULL, &status))
+		return -1;
+	return status;
+}
+
+
+int btrfs_create_subvolume(const char *path)
+{
+	return run_btrfs_subvolume_cmd("create", path, NULL);
+}
+
+
+int btrfs_remove_subvolume(const char *path)
+{
+	return run_btrfs_subvolume_cmd("delete", "-C", path);
+}
+
+
+/* Adapted from btrfsprogs */
+/*
+ * This intentionally duplicates btrfs_util_is_subvolume_fd() instead of opening
+ * a file descriptor and calling it, because fstat() and fstatfs() don't accept
+ * file descriptors opened with O_PATH on old kernels (before v3.6 and before
+ * v3.12, respectively), but stat() and statfs() can be called on a path that
+ * the user doesn't have read or write permissions to.
+ *
+ * returns:
+ *   1 - btrfs subvolume
+ *   0 - not btrfs subvolume
+ *  -1 - error
+ */
+int btrfs_is_subvolume(const char *path)
+{
+	struct stat st;
+	int ret;
+
+	ret = is_btrfs(path);
+	if (ret <= 0)
+		return ret;
+
+	ret = stat(path, &st);
+	if (ret == -1)
+		return -1;
+
+	if (st.st_ino != BTRFS_FIRST_FREE_OBJECTID || !S_ISDIR(st.st_mode)) {
+		return 0;
+	}
+
+	return 1;
+}
+
+
+/* Adapted from btrfsprogs */
+int is_btrfs(const char *path)
+{
+	struct statfs sfs;
+	int ret;
+
+	ret = statfs(path, &sfs);
+	if (ret == -1)
+		return -1;
+
+	return sfs.f_type == BTRFS_SUPER_MAGIC;
+}
+

libmisc/chkname.c

@@ -46,11 +46,18 @@
 #include "defines.h"
 #include "chkname.h"
 
+int allow_bad_names = false;
+
 static bool is_valid_name (const char *name)
 {
+	if (allow_bad_names) {
+		return true;
+	}
+
 	/*
 	 * User/group names must match [a-z_][a-z0-9_-]*[$]
 	 */
+
 	if (('\0' == *name) ||
 	    !((('a' <= *name) && ('z' >= *name)) || ('_' == *name))) {
 		return false;

libmisc/console.c

@@ -50,7 +50,7 @@ static bool is_listed (const char *cfgin, const char *tty, bool def);
 static bool is_listed (const char *cfgin, const char *tty, bool def)
 {
 	FILE *fp;
-	char buf[200], *s;
+	char buf[1024], *s;
 	const char *cons;
 
 	/*
@@ -70,7 +70,8 @@ static bool is_listed (const char *cfgin, const char *tty, bool def)
 
 	if (*cons != '/') {
 		char *pbuf;
-		strcpy (buf, cons);
+		strncpy (buf, cons, sizeof (buf));
+		buf[sizeof (buf) - 1] = '\0';
 		pbuf = &buf[0];
 		while ((s = strtok (pbuf, ":")) != NULL) {
 			if (strcmp (s, tty) == 0) {

libmisc/failure.h

@@ -69,7 +69,7 @@ extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
 extern void failprint (const struct faillog *);
 
 /*
- * failtmp - update the cummulative failure log
+ * failtmp - update the cumulative failure log
  *
  *	failtmp updates the (struct utmp) formatted failure log which
  *	maintains a record of all login failures.

libmisc/find_new_gid.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 1991 - 1994, Julianne Frances Haugh
  * Copyright (c) 2008 - 2011, Nicolas François
+ * Copyright (c) 2014, Red Hat, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +39,117 @@
 #include "groupio.h"
 #include "getdef.h"
 
+/*
+ * get_ranges - Get the minimum and maximum ID ranges for the search
+ *
+ * This function will return the minimum and maximum ranges for IDs
+ *
+ * 0: The function completed successfully
+ * EINVAL: The provided ranges are impossible (such as maximum < minimum)
+ *
+ * preferred_min: The special-case minimum value for a specifically-
+ * requested ID, which may be lower than the standard min_id
+ */
+static int get_ranges (bool sys_group, gid_t *min_id, gid_t *max_id,
+		       gid_t *preferred_min)
+{
+	gid_t gid_def_max = 0;
+
+	if (sys_group) {
+		/* System groups */
+
+		/* A requested ID is allowed to be below the autoselect range */
+		*preferred_min = (gid_t) 1;
+
+		/* Get the minimum ID range from login.defs or default to 101 */
+		*min_id = (gid_t) getdef_ulong ("SYS_GID_MIN", 101UL);
+
+		/*
+		 * If SYS_GID_MAX is unspecified, we should assume it to be one
+		 * less than the GID_MIN (which is reserved for non-system accounts)
+		 */
+		gid_def_max = (gid_t) getdef_ulong ("GID_MIN", 1000UL) - 1;
+		*max_id = (gid_t) getdef_ulong ("SYS_GID_MAX",
+				(unsigned long) gid_def_max);
+
+		/* Check that the ranges make sense */
+		if (*max_id < *min_id) {
+			(void) fprintf (stderr,
+                            _("%s: Invalid configuration: SYS_GID_MIN (%lu), "
+                              "GID_MIN (%lu), SYS_GID_MAX (%lu)\n"),
+                            Prog, (unsigned long) *min_id,
+                            getdef_ulong ("GID_MIN", 1000UL),
+                            (unsigned long) *max_id);
+			return EINVAL;
+		}
+	} else {
+		/* Non-system groups */
+
+		/* Get the values from login.defs or use reasonable defaults */
+		*min_id = (gid_t) getdef_ulong ("GID_MIN", 1000UL);
+		*max_id = (gid_t) getdef_ulong ("GID_MAX", 60000UL);
+
+		/*
+		 * The preferred minimum should match the standard ID minimum
+		 * for non-system groups.
+		 */
+		*preferred_min = *min_id;
+
+		/* Check that the ranges make sense */
+		if (*max_id < *min_id) {
+			(void) fprintf (stderr,
+					_("%s: Invalid configuration: GID_MIN (%lu), "
+					  "GID_MAX (%lu)\n"),
+					Prog, (unsigned long) *min_id,
+					(unsigned long) *max_id);
+			return EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * check_gid - See if the requested GID is available
+ *
+ * On success, return 0
+ * If the ID is in use, return EEXIST
+ * If the ID is outside the range, return ERANGE
+ * In other cases, return errno from getgrgid()
+ */
+static int check_gid (const gid_t gid,
+		      const gid_t gid_min,
+		      const gid_t gid_max,
+		      bool *used_gids)
+{
+	/* First test that the preferred ID is in the range */
+	if (gid < gid_min || gid > gid_max) {
+		return ERANGE;
+	}
+
+	/*
+	 * Check whether we already detected this GID
+	 * using the gr_next() loop
+	 */
+	if (used_gids != NULL && used_gids[gid]) {
+		return EEXIST;
+	}
+	/* Check if the GID exists according to NSS */
+	errno = 0;
+	if (prefix_getgrgid (gid) != NULL) {
+		return EEXIST;
+	} else {
+		/* getgrgid() was NULL
+		 * we have to ignore errors as temporary
+		 * failures of remote user identity services
+		 * would completely block user/group creation
+		 */
+	}
+
+	/* If we've made it here, the GID must be available */
+	return 0;
+}
+
 /*
  * find_new_gid - Find a new unused GID.
  *
@@ -49,161 +161,338 @@
  * Return 0 on success, -1 if no unused GIDs are available.
  */
 int find_new_gid (bool sys_group,
-                  gid_t *gid,
-                  /*@null@*/gid_t const *preferred_gid)
+                 gid_t *gid,
+                 /*@null@*/gid_t const *preferred_gid)
 {
-	const struct group *grp;
-	gid_t gid_min, gid_max, group_id;
 	bool *used_gids;
+	const struct group *grp;
+	gid_t gid_min, gid_max, preferred_min;
+	gid_t id;
+	gid_t lowest_found, highest_found;
+	int result;
+	int nospam = 0;
 
-	assert (gid != NULL);
+	assert(gid != NULL);
 
-	if (!sys_group) {
-		gid_min = (gid_t) getdef_ulong ("GID_MIN", 1000UL);
-		gid_max = (gid_t) getdef_ulong ("GID_MAX", 60000UL);
-		if (gid_max < gid_min) {
-			(void) fprintf (stderr,
-			                _("%s: Invalid configuration: GID_MIN (%lu), GID_MAX (%lu)\n"),
-			                Prog, (unsigned long) gid_min, (unsigned long) gid_max);
-			return -1;
-		}
-	} else {
-		gid_min = (gid_t) getdef_ulong ("SYS_GID_MIN", 101UL);
-		gid_max = (gid_t) getdef_ulong ("GID_MIN", 1000UL) - 1;
-		gid_max = (gid_t) getdef_ulong ("SYS_GID_MAX", (unsigned long) gid_max);
-		if (gid_max < gid_min) {
-			(void) fprintf (stderr,
-			                _("%s: Invalid configuration: SYS_GID_MIN (%lu), GID_MIN (%lu), SYS_GID_MAX (%lu)\n"),
-			                Prog, (unsigned long) gid_min, getdef_ulong ("GID_MIN", 1000UL), (unsigned long) gid_max);
+	/*
+	 * First, figure out what ID range is appropriate for
+	 * automatic assignment
+	 */
+	result = get_ranges (sys_group, &gid_min, &gid_max, &preferred_min);
+	if (result == EINVAL) {
+		return -1;
+	}
+
+	/* Check if the preferred GID is available */
+	if (preferred_gid) {
+		result = check_gid (*preferred_gid, preferred_min, gid_max, NULL);
+		if (result == 0) {
+			/*
+			 * Make sure the GID isn't queued for use already
+			 */
+			if (gr_locate_gid (*preferred_gid) == NULL) {
+				*gid = *preferred_gid;
+				return 0;
+			}
+			/*
+			 * gr_locate_gid() found the GID in an as-yet uncommitted
+			 * entry. We'll proceed below and auto-set a GID.
+			 */
+		} else if (result == EEXIST || result == ERANGE) {
+			/*
+			 * Continue on below. At this time, we won't
+			 * treat these two cases differently.
+			 */
+		} else {
+			/*
+			 * An unexpected error occurred. We should report
+			 * this and fail the group creation.
+			 * This differs from the automatic creation
+			 * behavior below, since if a specific GID was
+			 * requested and generated an error, the user is
+			 * more likely to want to stop and address the
+			 * issue.
+			 */
+			fprintf (stderr,
+				_("%s: Encountered error attempting to use "
+				  "preferred GID: %s\n"),
+				Prog, strerror (result));
 			return -1;
 		}
 	}
+
+	/*
+	 * Search the entire group file,
+	 * looking for the next unused value.
+	 *
+	 * We first check the local database with gr_rewind/gr_next to find
+	 * all local values that are in use.
+	 *
+	 * We then compare the next free value to all databases (local and
+	 * remote) and iterate until we find a free one. If there are free
+	 * values beyond the lowest (system groups) or highest (non-system
+	 * groups), we will prefer those and avoid potentially reclaiming a
+	 * deleted group (which can be a security issue, since it may grant
+	 * access to files belonging to that former group).
+	 *
+	 * If there are no GIDs available at the end of the search, we will
+	 * have no choice but to iterate through the range looking for gaps.
+	 *
+	 */
+
+	/* Create an array to hold all of the discovered GIDs */
 	used_gids = malloc (sizeof (bool) * (gid_max +1));
 	if (NULL == used_gids) {
 		fprintf (stderr,
-		         _("%s: failed to allocate memory: %s\n"),
-		         Prog, strerror (errno));
+			 _("%s: failed to allocate memory: %s\n"),
+			 Prog, strerror (errno));
 		return -1;
 	}
 	memset (used_gids, false, sizeof (bool) * (gid_max + 1));
 
-	if (   (NULL != preferred_gid)
-	    && (*preferred_gid >= gid_min)
-	    && (*preferred_gid <= gid_max)
-	    /* Check if the user exists according to NSS */
-	    && (getgrgid (*preferred_gid) == NULL)
-	    /* Check also the local database in case of uncommitted
-	     * changes */
-	    && (gr_locate_gid (*preferred_gid) == NULL)) {
-		*gid = *preferred_gid;
-		free (used_gids);
-		return 0;
-	}
-
-
-	/*
-	 * Search the entire group file,
-	 * looking for the largest unused value.
-	 *
-	 * We check the list of groups according to NSS (setgrent/getgrent),
-	 * but we also check the local database (gr_rewind/gr_next) in case
-	 * some groups were created but the changes were not committed yet.
-	 */
-	if (sys_group) {
-		gid_t id;
-		/* setgrent / getgrent / endgrent can be very slow with
-		 * LDAP configurations (and many accounts).
-		 * Since there is a limited amount of IDs to be tested
-		 * for system accounts, we just check the existence
-		 * of IDs with getgrgid.
+	/* First look for the lowest and highest value in the local database */
+	(void) gr_rewind ();
+	highest_found = gid_min;
+	lowest_found = gid_max;
+	while ((grp = gr_next ()) != NULL) {
+		/*
+		 * Does this entry have a lower GID than the lowest we've found
+		 * so far?
 		 */
-		group_id = gid_max;
-		for (id = gid_max; id >= gid_min; id--) {
-			if (getgrgid (id) != NULL) {
-				group_id = id - 1;
-				used_gids[id] = true;
-			}
+		if ((grp->gr_gid <= lowest_found) && (grp->gr_gid >= gid_min)) {
+			lowest_found = grp->gr_gid - 1;
 		}
 
-		(void) gr_rewind ();
-		while ((grp = gr_next ()) != NULL) {
-			if ((grp->gr_gid <= group_id) && (grp->gr_gid >= gid_min)) {
-				group_id = grp->gr_gid - 1;
-			}
-			/* create index of used GIDs */
-			if (grp->gr_gid <= gid_max) {
-				used_gids[grp->gr_gid] = true;
-			}
+		/*
+		 * Does this entry have a higher GID than the highest we've found
+		 * so far?
+		 */
+		if ((grp->gr_gid >= highest_found) && (grp->gr_gid <= gid_max)) {
+			highest_found = grp->gr_gid + 1;
 		}
-	} else {
-		group_id = gid_min;
-		setgrent ();
-		while ((grp = getgrent ()) != NULL) {
-			if ((grp->gr_gid >= group_id) && (grp->gr_gid <= gid_max)) {
-				group_id = grp->gr_gid + 1;
-			}
-			/* create index of used GIDs */
-			if (grp->gr_gid <= gid_max) {
-				used_gids[grp->gr_gid] = true;
-			}
-		}
-		endgrent ();
 
-		(void) gr_rewind ();
-		while ((grp = gr_next ()) != NULL) {
-			if ((grp->gr_gid >= group_id) && (grp->gr_gid <= gid_max)) {
-				group_id = grp->gr_gid + 1;
-			}
-			/* create index of used GIDs */
-			if (grp->gr_gid <= gid_max) {
-				used_gids[grp->gr_gid] = true;
-			}
+		/* create index of used GIDs */
+		if (grp->gr_gid >= gid_min
+			&& grp->gr_gid <= gid_max) {
+
+			used_gids[grp->gr_gid] = true;
 		}
 	}
 
-	/*
-	 * If a group (resp. system group) with GID equal to GID_MAX (resp.
-	 * GID_MIN) exists, the above algorithm will give us GID_MAX+1
-	 * (resp. GID_MIN-1) even if not unique. Search for the first free
-	 * GID starting with GID_MIN (resp. GID_MAX).
-	 */
 	if (sys_group) {
-		if (group_id < gid_min) {
-			for (group_id = gid_max; group_id >= gid_min; group_id--) {
-				if (false == used_gids[group_id]) {
-					break;
-				}
-			}
-			if (group_id < gid_min) {
-				fprintf (stderr,
-				         _("%s: Can't get unique system GID (no more available GIDs)\n"),
-				         Prog);
-				SYSLOG ((LOG_WARN,
-				         "no more available GID on the system"));
+		/*
+		 * For system groups, we want to start from the
+		 * top of the range and work downwards.
+		 */
+
+		/*
+		 * At the conclusion of the gr_next() search, we will either
+		 * have a presumed-free GID or we will be at GID_MIN - 1.
+		 */
+		if (lowest_found < gid_min) {
+			/*
+			 * In this case, a GID is in use at GID_MIN.
+			 *
+			 * We will reset the search to GID_MAX and proceed down
+			 * through all the GIDs (skipping those we detected with
+			 * used_gids) for a free one. It is a known issue that
+			 * this may result in reusing a previously-deleted GID,
+			 * so administrators should be instructed to use this
+			 * auto-detection with care (and prefer to assign GIDs
+			 * explicitly).
+			 */
+			lowest_found = gid_max;
+		}
+
+		/* Search through all of the IDs in the range */
+		for (id = lowest_found; id >= gid_min; id--) {
+			result = check_gid (id, gid_min, gid_max, used_gids);
+			if (result == 0) {
+				/* This GID is available. Return it. */
+				*gid = id;
 				free (used_gids);
-				return -1;
+				return 0;
+			} else if (result == EEXIST) {
+				/* This GID is in use, we'll continue to the next */
+			} else {
+				/*
+				 * An unexpected error occurred.
+				 *
+				 * Only report it the first time to avoid spamming
+				 * the logs
+				 *
+				 */
+				if (!nospam) {
+					fprintf (stderr,
+						_("%s: Can't get unique system GID (%s). "
+						  "Suppressing additional messages.\n"),
+						Prog, strerror (result));
+					SYSLOG ((LOG_ERR,
+						"Error checking available GIDs: %s",
+						strerror (result)));
+					nospam = 1;
+				}
+				/*
+				 * We will continue anyway. Hopefully a later GID
+				 * will work properly.
+				 */
 			}
 		}
-	} else {
-		if (group_id > gid_max) {
-			for (group_id = gid_min; group_id <= gid_max; group_id++) {
-				if (false == used_gids[group_id]) {
-					break;
+
+		/*
+		 * If we get all the way through the loop, try again from GID_MAX,
+		 * unless that was where we previously started. (NOTE: the worst-case
+		 * scenario here is that we will run through (GID_MAX - GID_MIN - 1)
+		 * cycles *again* if we fall into this case with lowest_found as
+		 * GID_MAX - 1, all groups in the range in use and maintained by
+		 * network services such as LDAP.)
+		 */
+		if (lowest_found != gid_max) {
+			for (id = gid_max; id >= gid_min; id--) {
+				result = check_gid (id, gid_min, gid_max, used_gids);
+				if (result == 0) {
+					/* This GID is available. Return it. */
+					*gid = id;
+					free (used_gids);
+					return 0;
+				} else if (result == EEXIST) {
+					/* This GID is in use, we'll continue to the next */
+				} else {
+					/*
+					 * An unexpected error occurred.
+					 *
+					 * Only report it the first time to avoid spamming
+					 * the logs
+					 *
+					 */
+					if (!nospam) {
+						fprintf (stderr,
+							_("%s: Can't get unique system GID (%s). "
+							  "Suppressing additional messages.\n"),
+							Prog, strerror (result));
+						SYSLOG ((LOG_ERR,
+							"Error checking available GIDs: %s",
+							strerror (result)));
+						nospam = 1;
+					}
+					/*
+					 * We will continue anyway. Hopefully a later GID
+					 * will work properly.
+					 */
 				}
 			}
-			if (group_id > gid_max) {
-				fprintf (stderr,
-				         _("%s: Can't get unique GID (no more available GIDs)\n"),
-				         Prog);
-				SYSLOG ((LOG_WARN, "no more available GID on the system"));
+		}
+	} else { /* !sys_group */
+		/*
+		 * For non-system groups, we want to start from the
+		 * bottom of the range and work upwards.
+		 */
+
+		/*
+		 * At the conclusion of the gr_next() search, we will either
+		 * have a presumed-free GID or we will be at GID_MAX + 1.
+		 */
+		if (highest_found > gid_max) {
+			/*
+			 * In this case, a GID is in use at GID_MAX.
+			 *
+			 * We will reset the search to GID_MIN and proceed up
+			 * through all the GIDs (skipping those we detected with
+			 * used_gids) for a free one. It is a known issue that
+			 * this may result in reusing a previously-deleted GID,
+			 * so administrators should be instructed to use this
+			 * auto-detection with care (and prefer to assign GIDs
+			 * explicitly).
+			 */
+			highest_found = gid_min;
+		}
+
+		/* Search through all of the IDs in the range */
+		for (id = highest_found; id <= gid_max; id++) {
+			result = check_gid (id, gid_min, gid_max, used_gids);
+			if (result == 0) {
+				/* This GID is available. Return it. */
+				*gid = id;
 				free (used_gids);
-				return -1;
+				return 0;
+			} else if (result == EEXIST) {
+				/* This GID is in use, we'll continue to the next */
+			} else {
+				/*
+				 * An unexpected error occurred.
+				 *
+				 * Only report it the first time to avoid spamming
+				 * the logs
+				 *
+				 */
+				if (!nospam) {
+					fprintf (stderr,
+						_("%s: Can't get unique GID (%s). "
+						  "Suppressing additional messages.\n"),
+						Prog, strerror (result));
+					SYSLOG ((LOG_ERR,
+						"Error checking available GIDs: %s",
+						strerror (result)));
+					nospam = 1;
+				}
+				/*
+				 * We will continue anyway. Hopefully a later GID
+				 * will work properly.
+				 */
+			}
+		}
+
+		/*
+		 * If we get all the way through the loop, try again from GID_MIN,
+		 * unless that was where we previously started. (NOTE: the worst-case
+		 * scenario here is that we will run through (GID_MAX - GID_MIN - 1)
+		 * cycles *again* if we fall into this case with highest_found as
+		 * GID_MIN + 1, all groups in the range in use and maintained by
+		 * network services such as LDAP.)
+		 */
+		if (highest_found != gid_min) {
+			for (id = gid_min; id <= gid_max; id++) {
+				result = check_gid (id, gid_min, gid_max, used_gids);
+				if (result == 0) {
+					/* This GID is available. Return it. */
+					*gid = id;
+					free (used_gids);
+					return 0;
+				} else if (result == EEXIST) {
+					/* This GID is in use, we'll continue to the next */
+				} else {
+					/*
+					 * An unexpected error occurred.
+					 *
+					 * Only report it the first time to avoid spamming
+					 * the logs
+					 *
+					 */
+					if (!nospam) {
+						fprintf (stderr,
+							_("%s: Can't get unique GID (%s). "
+							  "Suppressing additional messages.\n"),
+							Prog, strerror (result));
+						SYSLOG ((LOG_ERR,
+							"Error checking available GIDs: %s",
+							strerror (result)));
+						nospam = 1;
+					}
+					/*
+					 * We will continue anyway. Hopefully a later GID
+					 * will work properly.
+					 */
+				}
 			}
 		}
 	}
 
+	/* The code reached here and found no available IDs in the range */
+	fprintf (stderr,
+		_("%s: Can't get unique GID (no more available GIDs)\n"),
+		Prog);
+	SYSLOG ((LOG_WARN, "no more available GIDs on the system"));
 	free (used_gids);
-	*gid = group_id;
-	return 0;
+	return -1;
 }
 

libmisc/find_new_sub_gids.c

@@ -58,7 +58,7 @@ int find_new_sub_gids (const char *owner,
 
 	min = getdef_ulong ("SUB_GID_MIN", 100000UL);
 	max = getdef_ulong ("SUB_GID_MAX", 600100000UL);
-	count = getdef_ulong ("SUB_GID_COUNT", 10000);
+	count = getdef_ulong ("SUB_GID_COUNT", 65536);
 
 	if (min > max || count >= max || (min + count - 1) > max) {
 		(void) fprintf (stderr,

libmisc/find_new_sub_uids.c

@@ -58,7 +58,7 @@ int find_new_sub_uids (const char *owner,
 
 	min = getdef_ulong ("SUB_UID_MIN", 100000UL);
 	max = getdef_ulong ("SUB_UID_MAX", 600100000UL);
-	count = getdef_ulong ("SUB_UID_COUNT", 10000);
+	count = getdef_ulong ("SUB_UID_COUNT", 65536);
 
 	if (min > max || count >= max || (min + count - 1) > max) {
 		(void) fprintf (stderr,

libmisc/find_new_uid.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 1991 - 1994, Julianne Frances Haugh
  * Copyright (c) 2008 - 2011, Nicolas François
+ * Copyright (c) 2014, Red Hat, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +39,117 @@
 #include "pwio.h"
 #include "getdef.h"
 
+/*
+ * get_ranges - Get the minimum and maximum ID ranges for the search
+ *
+ * This function will return the minimum and maximum ranges for IDs
+ *
+ * 0: The function completed successfully
+ * EINVAL: The provided ranges are impossible (such as maximum < minimum)
+ *
+ * preferred_min: The special-case minimum value for a specifically-
+ * requested ID, which may be lower than the standard min_id
+ */
+static int get_ranges (bool sys_user, uid_t *min_id, uid_t *max_id,
+			uid_t *preferred_min)
+{
+	uid_t uid_def_max = 0;
+
+	if (sys_user) {
+		/* System users */
+
+		/* A requested ID is allowed to be below the autoselect range */
+		*preferred_min = (uid_t) 1;
+
+		/* Get the minimum ID range from login.defs or default to 101 */
+		*min_id = (uid_t) getdef_ulong ("SYS_UID_MIN", 101UL);
+
+		/*
+		 * If SYS_UID_MAX is unspecified, we should assume it to be one
+		 * less than the UID_MIN (which is reserved for non-system accounts)
+		 */
+		uid_def_max = (uid_t) getdef_ulong ("UID_MIN", 1000UL) - 1;
+		*max_id = (uid_t) getdef_ulong ("SYS_UID_MAX",
+				(unsigned long) uid_def_max);
+
+		/* Check that the ranges make sense */
+		if (*max_id < *min_id) {
+			(void) fprintf (stderr,
+                            _("%s: Invalid configuration: SYS_UID_MIN (%lu), "
+                              "UID_MIN (%lu), SYS_UID_MAX (%lu)\n"),
+                            Prog, (unsigned long) *min_id,
+                            getdef_ulong ("UID_MIN", 1000UL),
+                            (unsigned long) *max_id);
+			return EINVAL;
+		}
+	} else {
+		/* Non-system users */
+
+		/* Get the values from login.defs or use reasonable defaults */
+		*min_id = (uid_t) getdef_ulong ("UID_MIN", 1000UL);
+		*max_id = (uid_t) getdef_ulong ("UID_MAX", 60000UL);
+
+		/*
+		 * The preferred minimum should match the standard ID minimum
+		 * for non-system users.
+		 */
+		*preferred_min = *min_id;
+
+		/* Check that the ranges make sense */
+		if (*max_id < *min_id) {
+			(void) fprintf (stderr,
+					_("%s: Invalid configuration: UID_MIN (%lu), "
+					  "UID_MAX (%lu)\n"),
+					Prog, (unsigned long) *min_id,
+					(unsigned long) *max_id);
+			return EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * check_uid - See if the requested UID is available
+ *
+ * On success, return 0
+ * If the ID is in use, return EEXIST
+ * If the ID is outside the range, return ERANGE
+ * In other cases, return errno from getpwuid()
+ */
+static int check_uid(const uid_t uid,
+		     const uid_t uid_min,
+		     const uid_t uid_max,
+		     bool *used_uids)
+{
+	/* First test that the preferred ID is in the range */
+	if (uid < uid_min || uid > uid_max) {
+		return ERANGE;
+	}
+
+	/*
+	 * Check whether we already detected this UID
+	 * using the pw_next() loop
+	 */
+	if (used_uids != NULL && used_uids[uid]) {
+		return EEXIST;
+	}
+	/* Check if the UID exists according to NSS */
+	errno = 0;
+	if (prefix_getpwuid(uid) != NULL) {
+		return EEXIST;
+	} else {
+		/* getpwuid() was NULL
+		 * we have to ignore errors as temporary
+		 * failures of remote user identity services
+		 * would completely block user/group creation
+		 */
+	}
+
+	/* If we've made it here, the UID must be available */
+	return 0;
+}
+
 /*
  * find_new_uid - Find a new unused UID.
  *
@@ -48,162 +160,339 @@
  * 
  * Return 0 on success, -1 if no unused UIDs are available.
  */
-int find_new_uid (bool sys_user,
-                  uid_t *uid,
-                  /*@null@*/uid_t const *preferred_uid)
+int find_new_uid(bool sys_user,
+                 uid_t *uid,
+                 /*@null@*/uid_t const *preferred_uid)
 {
-	const struct passwd *pwd;
-	uid_t uid_min, uid_max, user_id;
 	bool *used_uids;
+	const struct passwd *pwd;
+	uid_t uid_min, uid_max, preferred_min;
+	uid_t id;
+	uid_t lowest_found, highest_found;
+	int result;
+	int nospam = 0;
 
 	assert (uid != NULL);
 
-	if (!sys_user) {
-		uid_min = (uid_t) getdef_ulong ("UID_MIN", 1000UL);
-		uid_max = (uid_t) getdef_ulong ("UID_MAX", 60000UL);
-		if (uid_max < uid_min) {
-			(void) fprintf (stderr,
-			                _("%s: Invalid configuration: UID_MIN (%lu), UID_MAX (%lu)\n"),
-			                Prog, (unsigned long) uid_min, (unsigned long) uid_max);
-			return -1;
-		}
-	} else {
-		uid_min = (uid_t) getdef_ulong ("SYS_UID_MIN", 101UL);
-		uid_max = (uid_t) getdef_ulong ("UID_MIN", 1000UL) - 1;
-		uid_max = (uid_t) getdef_ulong ("SYS_UID_MAX", (unsigned long) uid_max);
-		if (uid_max < uid_min) {
-			(void) fprintf (stderr,
-			                _("%s: Invalid configuration: SYS_UID_MIN (%lu), UID_MIN (%lu), SYS_UID_MAX (%lu)\n"),
-			                Prog, (unsigned long) uid_min, getdef_ulong ("UID_MIN", 1000UL), (unsigned long) uid_max);
+	/*
+	 * First, figure out what ID range is appropriate for
+	 * automatic assignment
+	 */
+	result = get_ranges (sys_user, &uid_min, &uid_max, &preferred_min);
+	if (result == EINVAL) {
+		return -1;
+	}
+
+	/* Check if the preferred UID is available */
+	if (preferred_uid) {
+		result = check_uid (*preferred_uid, preferred_min, uid_max, NULL);
+		if (result == 0) {
+			/*
+			 * Make sure the UID isn't queued for use already
+			 */
+			if (pw_locate_uid (*preferred_uid) == NULL) {
+				*uid = *preferred_uid;
+				return 0;
+			}
+			/*
+			 * pw_locate_uid() found the UID in an as-yet uncommitted
+			 * entry. We'll proceed below and auto-set an UID.
+			 */
+		} else if (result == EEXIST || result == ERANGE) {
+			/*
+			 * Continue on below. At this time, we won't
+			 * treat these two cases differently.
+			 */
+		} else {
+			/*
+			 * An unexpected error occurred. We should report
+			 * this and fail the user creation.
+			 * This differs from the automatic creation
+			 * behavior below, since if a specific UID was
+			 * requested and generated an error, the user is
+			 * more likely to want to stop and address the
+			 * issue.
+			 */
+			fprintf (stderr,
+				_("%s: Encountered error attempting to use "
+				  "preferred UID: %s\n"),
+				Prog, strerror (result));
 			return -1;
 		}
 	}
+
+	/*
+	 * Search the entire passwd file,
+	 * looking for the next unused value.
+	 *
+	 * We first check the local database with pw_rewind/pw_next to find
+	 * all local values that are in use.
+	 *
+	 * We then compare the next free value to all databases (local and
+	 * remote) and iterate until we find a free one. If there are free
+	 * values beyond the lowest (system users) or highest (non-system
+	 * users), we will prefer those and avoid potentially reclaiming a
+	 * deleted user (which can be a security issue, since it may grant
+	 * access to files belonging to that former user).
+	 *
+	 * If there are no UIDs available at the end of the search, we will
+	 * have no choice but to iterate through the range looking for gaps.
+	 *
+	 */
+
+	/* Create an array to hold all of the discovered UIDs */
 	used_uids = malloc (sizeof (bool) * (uid_max +1));
 	if (NULL == used_uids) {
 		fprintf (stderr,
-		         _("%s: failed to allocate memory: %s\n"),
-		         Prog, strerror (errno));
+			 _("%s: failed to allocate memory: %s\n"),
+			 Prog, strerror (errno));
 		return -1;
 	}
 	memset (used_uids, false, sizeof (bool) * (uid_max + 1));
 
-	if (   (NULL != preferred_uid)
-	    && (*preferred_uid >= uid_min)
-	    && (*preferred_uid <= uid_max)
-	    /* Check if the user exists according to NSS */
-	    && (getpwuid (*preferred_uid) == NULL)
-	    /* Check also the local database in case of uncommitted
-	     * changes */
-	    && (pw_locate_uid (*preferred_uid) == NULL)) {
-		*uid = *preferred_uid;
-		free (used_uids);
-		return 0;
-	}
-
-
-	/*
-	 * Search the entire password file,
-	 * looking for the largest unused value.
-	 *
-	 * We check the list of users according to NSS (setpwent/getpwent),
-	 * but we also check the local database (pw_rewind/pw_next) in case
-	 * some users were created but the changes were not committed yet.
-	 */
-	if (sys_user) {
-		uid_t id;
-		/* setpwent / getpwent / endpwent can be very slow with
-		 * LDAP configurations (and many accounts).
-		 * Since there is a limited amount of IDs to be tested
-		 * for system accounts, we just check the existence
-		 * of IDs with getpwuid.
+	/* First look for the lowest and highest value in the local database */
+	(void) pw_rewind ();
+	highest_found = uid_min;
+	lowest_found = uid_max;
+	while ((pwd = pw_next ()) != NULL) {
+		/*
+		 * Does this entry have a lower UID than the lowest we've found
+		 * so far?
 		 */
-		user_id = uid_max;
-		for (id = uid_max; id >= uid_min; id--) {
-			if (getpwuid (id) != NULL) {
-				user_id = id - 1;
-				used_uids[id] = true;
-			}
+		if ((pwd->pw_uid <= lowest_found) && (pwd->pw_uid >= uid_min)) {
+			lowest_found = pwd->pw_uid - 1;
 		}
 
-		(void) pw_rewind ();
-		while ((pwd = pw_next ()) != NULL) {
-			if ((pwd->pw_uid <= user_id) && (pwd->pw_uid >= uid_min)) {
-				user_id = pwd->pw_uid - 1;
-			}
-			/* create index of used UIDs */
-			if (pwd->pw_uid <= uid_max) {
-				used_uids[pwd->pw_uid] = true;
-			}
+		/*
+		 * Does this entry have a higher UID than the highest we've found
+		 * so far?
+		 */
+		if ((pwd->pw_uid >= highest_found) && (pwd->pw_uid <= uid_max)) {
+			highest_found = pwd->pw_uid + 1;
 		}
-	} else {
-		user_id = uid_min;
-		setpwent ();
-		while ((pwd = getpwent ()) != NULL) {
-			if ((pwd->pw_uid >= user_id) && (pwd->pw_uid <= uid_max)) {
-				user_id = pwd->pw_uid + 1;
-			}
-			/* create index of used UIDs */
-			if (pwd->pw_uid <= uid_max) {
-				used_uids[pwd->pw_uid] = true;
-			}
-		}
-		endpwent ();
 
-		(void) pw_rewind ();
-		while ((pwd = pw_next ()) != NULL) {
-			if ((pwd->pw_uid >= user_id) && (pwd->pw_uid <= uid_max)) {
-				user_id = pwd->pw_uid + 1;
-			}
-			/* create index of used UIDs */
-			if (pwd->pw_uid <= uid_max) {
-				used_uids[pwd->pw_uid] = true;
-			}
+		/* create index of used UIDs */
+		if (pwd->pw_uid >= uid_min
+			&& pwd->pw_uid <= uid_max) {
+
+			used_uids[pwd->pw_uid] = true;
 		}
 	}
 
-	/*
-	 * If a user (resp. system user) with UID equal to UID_MAX (resp.
-	 * UID_MIN) exists, the above algorithm will give us UID_MAX+1
-	 * (resp. UID_MIN-1) even if not unique. Search for the first free
-	 * UID starting with UID_MIN (resp. UID_MAX).
-	 */
 	if (sys_user) {
-		if (user_id < uid_min) {
-			for (user_id = uid_max; user_id >= uid_min; user_id--) {
-				if (false == used_uids[user_id]) {
-					break;
-				}
-			}
-			if (user_id < uid_min ) {
-				fprintf (stderr,
-				         _("%s: Can't get unique system UID (no more available UIDs)\n"),
-				         Prog);
-				SYSLOG ((LOG_WARN,
-				         "no more available UID on the system"));
+		/*
+		 * For system users, we want to start from the
+		 * top of the range and work downwards.
+		 */
+
+		/*
+		 * At the conclusion of the pw_next() search, we will either
+		 * have a presumed-free UID or we will be at UID_MIN - 1.
+		 */
+		if (lowest_found < uid_min) {
+			/*
+			 * In this case, an UID is in use at UID_MIN.
+			 *
+			 * We will reset the search to UID_MAX and proceed down
+			 * through all the UIDs (skipping those we detected with
+			 * used_uids) for a free one. It is a known issue that
+			 * this may result in reusing a previously-deleted UID,
+			 * so administrators should be instructed to use this
+			 * auto-detection with care (and prefer to assign UIDs
+			 * explicitly).
+			 */
+			lowest_found = uid_max;
+		}
+
+		/* Search through all of the IDs in the range */
+		for (id = lowest_found; id >= uid_min; id--) {
+			result = check_uid (id, uid_min, uid_max, used_uids);
+			if (result == 0) {
+				/* This UID is available. Return it. */
+				*uid = id;
 				free (used_uids);
-				return -1;
+				return 0;
+			} else if (result == EEXIST) {
+				/* This UID is in use, we'll continue to the next */
+			} else {
+				/*
+				 * An unexpected error occurred.
+				 *
+				 * Only report it the first time to avoid spamming
+				 * the logs
+				 *
+				 */
+				if (!nospam) {
+					fprintf (stderr,
+						_("%s: Can't get unique system UID (%s). "
+						  "Suppressing additional messages.\n"),
+						Prog, strerror (result));
+					SYSLOG ((LOG_ERR,
+						"Error checking available UIDs: %s",
+						strerror (result)));
+					nospam = 1;
+				}
+				/*
+				 * We will continue anyway. Hopefully a later UID
+				 * will work properly.
+				 */
 			}
 		}
-	} else {
-		if (user_id > uid_max) {
-			for (user_id = uid_min; user_id <= uid_max; user_id++) {
-				if (false == used_uids[user_id]) {
-					break;
+
+		/*
+		 * If we get all the way through the loop, try again from UID_MAX,
+		 * unless that was where we previously started. (NOTE: the worst-case
+		 * scenario here is that we will run through (UID_MAX - UID_MIN - 1)
+		 * cycles *again* if we fall into this case with lowest_found as
+		 * UID_MAX - 1, all users in the range in use and maintained by
+		 * network services such as LDAP.)
+		 */
+		if (lowest_found != uid_max) {
+			for (id = uid_max; id >= uid_min; id--) {
+				result = check_uid (id, uid_min, uid_max, used_uids);
+				if (result == 0) {
+					/* This UID is available. Return it. */
+					*uid = id;
+					free (used_uids);
+					return 0;
+				} else if (result == EEXIST) {
+					/* This UID is in use, we'll continue to the next */
+				} else {
+					/*
+					 * An unexpected error occurred.
+					 *
+					 * Only report it the first time to avoid spamming
+					 * the logs
+					 *
+					 */
+					if (!nospam) {
+						fprintf (stderr,
+							_("%s: Can't get unique system UID (%s). "
+							  "Suppressing additional messages.\n"),
+							Prog, strerror (result));
+						SYSLOG((LOG_ERR,
+							"Error checking available UIDs: %s",
+							strerror (result)));
+						nospam = 1;
+					}
+					/*
+					 * We will continue anyway. Hopefully a later UID
+					 * will work properly.
+					 */
 				}
 			}
-			if (user_id > uid_max) {
-				fprintf (stderr,
-				         _("%s: Can't get unique UID (no more available UIDs)\n"),
-				         Prog);
-				SYSLOG ((LOG_WARN, "no more available UID on the system"));
+		}
+	} else { /* !sys_user */
+		/*
+		 * For non-system users, we want to start from the
+		 * bottom of the range and work upwards.
+		 */
+
+		/*
+		 * At the conclusion of the pw_next() search, we will either
+		 * have a presumed-free UID or we will be at UID_MAX + 1.
+		 */
+		if (highest_found > uid_max) {
+			/*
+			 * In this case, a UID is in use at UID_MAX.
+			 *
+			 * We will reset the search to UID_MIN and proceed up
+			 * through all the UIDs (skipping those we detected with
+			 * used_uids) for a free one. It is a known issue that
+			 * this may result in reusing a previously-deleted UID,
+			 * so administrators should be instructed to use this
+			 * auto-detection with care (and prefer to assign UIDs
+			 * explicitly).
+			 */
+			highest_found = uid_min;
+		}
+
+		/* Search through all of the IDs in the range */
+		for (id = highest_found; id <= uid_max; id++) {
+			result = check_uid (id, uid_min, uid_max, used_uids);
+			if (result == 0) {
+				/* This UID is available. Return it. */
+				*uid = id;
 				free (used_uids);
-				return -1;
+				return 0;
+			} else if (result == EEXIST) {
+				/* This UID is in use, we'll continue to the next */
+			} else {
+				/*
+				 * An unexpected error occurred.
+				 *
+				 * Only report it the first time to avoid spamming
+				 * the logs
+				 *
+				 */
+				if (!nospam) {
+					fprintf (stderr,
+						_("%s: Can't get unique UID (%s). "
+						  "Suppressing additional messages.\n"),
+						Prog, strerror (result));
+					SYSLOG ((LOG_ERR,
+						"Error checking available UIDs: %s",
+						strerror (result)));
+					nospam = 1;
+				}
+				/*
+				 * We will continue anyway. Hopefully a later UID
+				 * will work properly.
+				 */
+			}
+		}
+
+		/*
+		 * If we get all the way through the loop, try again from UID_MIN,
+		 * unless that was where we previously started. (NOTE: the worst-case
+		 * scenario here is that we will run through (UID_MAX - UID_MIN - 1)
+		 * cycles *again* if we fall into this case with highest_found as
+		 * UID_MIN + 1, all users in the range in use and maintained by
+		 * network services such as LDAP.)
+		 */
+		if (highest_found != uid_min) {
+			for (id = uid_min; id <= uid_max; id++) {
+				result = check_uid (id, uid_min, uid_max, used_uids);
+				if (result == 0) {
+					/* This UID is available. Return it. */
+					*uid = id;
+					free (used_uids);
+					return 0;
+				} else if (result == EEXIST) {
+					/* This UID is in use, we'll continue to the next */
+				} else {
+					/*
+					 * An unexpected error occurred.
+					 *
+					 * Only report it the first time to avoid spamming
+					 * the logs
+					 *
+					 */
+					if (!nospam) {
+						fprintf (stderr,
+							_("%s: Can't get unique UID (%s). "
+							  "Suppressing additional messages.\n"),
+							Prog, strerror (result));
+						SYSLOG ((LOG_ERR,
+							"Error checking available UIDs: %s",
+							strerror (result)));
+						nospam = 1;
+					}
+					/*
+					 * We will continue anyway. Hopefully a later UID
+					 * will work properly.
+					 */
+				}
 			}
 		}
 	}
 
+	/* The code reached here and found no available IDs in the range */
+	fprintf (stderr,
+		_("%s: Can't get unique UID (no more available UIDs)\n"),
+		Prog);
+	SYSLOG ((LOG_WARN, "no more available UIDs on the system"));
 	free (used_uids);
-	*uid = user_id;
-	return 0;
+	return -1;
 }
 

libmisc/getdate.y

@@ -66,7 +66,7 @@
 #endif
 
 /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
-   as well as gratuitiously global symbol names, so we can have multiple
+   as well as gratuitously global symbol names, so we can have multiple
    yacc generated parsers in the same program.  Note that these are only
    the variables produced by yacc.  If other parser generators (bison,
    byacc, etc) produce additional global names that conflict at link time,

libmisc/gettime.c

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2017, Chris Lamb
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the copyright holders or contributors may not be used to
+ *    endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#ident "$Id$"
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include "defines.h"
+#include "prototypes.h"
+
+/*
+ * gettime() returns the time as the number of seconds since the Epoch
+ *
+ * Like time(), gettime() returns the time as the number of seconds since the
+ * Epoch, 1970-01-01 00:00:00 +0000 (UTC), except that if the SOURCE_DATE_EPOCH
+ * environment variable is exported it will use that instead.
+ */
+/*@observer@*/time_t gettime ()
+{
+	char *endptr;
+	char *source_date_epoch;
+	time_t fallback;
+	unsigned long long epoch;
+
+	fallback = time (NULL);
+	source_date_epoch = shadow_getenv ("SOURCE_DATE_EPOCH");
+
+	if (!source_date_epoch)
+		return fallback;
+
+	errno = 0;
+	epoch = strtoull (source_date_epoch, &endptr, 10);
+	if ((errno == ERANGE && (epoch == ULLONG_MAX || epoch == 0))
+			|| (errno != 0 && epoch == 0)) {
+		fprintf (stderr,
+			 _("Environment variable $SOURCE_DATE_EPOCH: strtoull: %s\n"),
+			 strerror(errno));
+	} else if (endptr == source_date_epoch) {
+		fprintf (stderr,
+			 _("Environment variable $SOURCE_DATE_EPOCH: No digits were found: %s\n"),
+			 endptr);
+	} else if (*endptr != '\0') {
+		fprintf (stderr,
+			 _("Environment variable $SOURCE_DATE_EPOCH: Trailing garbage: %s\n"),
+			 endptr);
+	} else if (epoch > ULONG_MAX) {
+		fprintf (stderr,
+			 _("Environment variable $SOURCE_DATE_EPOCH: value must be smaller than or equal to %lu but was found to be: %llu\n"),
+			 ULONG_MAX, epoch);
+	} else if (epoch > fallback) {
+		fprintf (stderr,
+			 _("Environment variable $SOURCE_DATE_EPOCH: value must be smaller than or equal to the current time (%lu) but was found to be: %llu\n"),
+			 fallback, epoch);
+	} else {
+		/* Valid */
+		return (time_t)epoch;
+	}
+
+	return fallback;
+}

libmisc/idmapping.c

@@ -36,6 +36,10 @@
 #include <stdio.h>
 #include "prototypes.h"
 #include "idmapping.h"
+#include <sys/prctl.h>
+#if HAVE_SYS_CAPABILITY_H
+#include <sys/capability.h>
+#endif
 
 struct map_range *get_map_ranges(int ranges, int argc, char **argv)
 {
@@ -70,13 +74,40 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
 
 	/* Gather up the ranges from the command line */
 	mapping = mappings;
-	for (idx = 0; idx < ranges; idx++, argidx += 3, mapping++) {
-		if (!getulong(argv[argidx + 0], &mapping->upper))
+	for (idx = 0, argidx = 0; idx < ranges; idx++, argidx += 3, mapping++) {
+		if (!getulong(argv[argidx + 0], &mapping->upper)) {
+			free(mappings);
 			return NULL;
-		if (!getulong(argv[argidx + 1], &mapping->lower))
+		}
+		if (!getulong(argv[argidx + 1], &mapping->lower)) {
+			free(mappings);
 			return NULL;
-		if (!getulong(argv[argidx + 2], &mapping->count))
+		}
+		if (!getulong(argv[argidx + 2], &mapping->count)) {
+			free(mappings);
 			return NULL;
+		}
+		if (ULONG_MAX - mapping->upper <= mapping->count || ULONG_MAX - mapping->lower <= mapping->count) {
+			fprintf(stderr, _( "%s: subuid overflow detected.\n"), Prog);
+			exit(EXIT_FAILURE);
+		}
+		if (mapping->upper > UINT_MAX ||
+			mapping->lower > UINT_MAX ||
+			mapping->count > UINT_MAX)  {
+			fprintf(stderr, _( "%s: subuid overflow detected.\n"), Prog);
+			exit(EXIT_FAILURE);
+		}
+		if (mapping->lower + mapping->count > UINT_MAX ||
+				mapping->upper + mapping->count > UINT_MAX) {
+			fprintf(stderr, _( "%s: subuid overflow detected.\n"), Prog);
+			exit(EXIT_FAILURE);
+		}
+		if (mapping->lower + mapping->count < mapping->lower ||
+				mapping->upper + mapping->count < mapping->upper) {
+			/* this one really shouldn't be possible given previous checks */
+			fprintf(stderr, _( "%s: subuid overflow detected.\n"), Prog);
+			exit(EXIT_FAILURE);
+		}
 	}
 	return mappings;
 }
@@ -92,9 +123,23 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
  */
 #define ULONG_DIGITS ((((sizeof(unsigned long) * CHAR_BIT) + 9)/10)*3)
 
-
+/*
+ * The ruid refers to the caller's uid and is used to reset the effective uid
+ * back to the callers real uid.
+ * This clutch mainly exists for setuid-based new{g,u}idmap binaries that are
+ * called in contexts where all capabilities other than the necessary
+ * CAP_SET{G,U}ID capabilities are dropped. Since the kernel will require
+ * assurance that the caller holds CAP_SYS_ADMIN over the target user namespace
+ * the only way it can confirm is in this case is if the effective uid is
+ * equivalent to the uid owning the target user namespace.
+ * Note, we only support this when a) new{g,u}idmap is not called by root and
+ * b) if the caller's uid and the uid retrieved via system appropriate means
+ * (shadow file or other) are identical. Specifically, this does not support
+ * when the root user calls the new{g,u}idmap binary for an unprivileged user.
+ * If this is wanted: use file capabilities!
+ */
 void write_mapping(int proc_dir_fd, int ranges, struct map_range *mappings,
-	const char *map_file)
+	const char *map_file, uid_t ruid)
 {
 	int idx;
 	struct map_range *mapping;
@@ -102,6 +147,43 @@ void write_mapping(int proc_dir_fd, int ranges, struct map_range *mappings,
 	char *buf, *pos;
 	int fd;
 
+#if HAVE_SYS_CAPABILITY_H
+	int cap;
+	struct __user_cap_header_struct hdr = {_LINUX_CAPABILITY_VERSION_3, 0};
+	struct __user_cap_data_struct data[2] = {{0}};
+
+	if (strcmp(map_file, "uid_map") == 0) {
+		cap = CAP_SETUID;
+	} else if (strcmp(map_file, "gid_map") == 0) {
+		cap = CAP_SETGID;
+	} else {
+		fprintf(stderr, _("%s: Invalid map file %s specified\n"), Prog, map_file);
+		exit(EXIT_FAILURE);
+	}
+
+	/* Align setuid- and fscaps-based new{g,u}idmap behavior. */
+	if (geteuid() == 0 && geteuid() != ruid) {
+		if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) < 0) {
+			fprintf(stderr, _("%s: Could not prctl(PR_SET_KEEPCAPS)\n"), Prog);
+			exit(EXIT_FAILURE);
+		}
+
+		if (seteuid(ruid) < 0) {
+			fprintf(stderr, _("%s: Could not seteuid to %d\n"), Prog, ruid);
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	/* Lockdown new{g,u}idmap by dropping all unneeded capabilities. */
+	memset(data, 0, sizeof(data));
+	data[0].effective = CAP_TO_MASK(cap);
+	data[0].permitted = data[0].effective;
+	if (capset(&hdr, data) < 0) {
+		fprintf(stderr, _("%s: Could not set caps\n"), Prog);
+		exit(EXIT_FAILURE);
+	}
+#endif
+
 	bufsize = ranges * ((ULONG_DIGITS  + 1) * 3);
 	pos = buf = xmalloc(bufsize);
 
@@ -121,7 +203,7 @@ void write_mapping(int proc_dir_fd, int ranges, struct map_range *mappings,
 		pos += written;
 	}
 
-	/* Write the mapping to the maping file */
+	/* Write the mapping to the mapping file */
 	fd = openat(proc_dir_fd, map_file, O_WRONLY);
 	if (fd < 0) {
 		fprintf(stderr, _("%s: open of %s failed: %s\n"),

libmisc/idmapping.h

@@ -38,7 +38,7 @@ struct map_range {
 
 extern struct map_range *get_map_ranges(int ranges, int argc, char **argv);
 extern void write_mapping(int proc_dir_fd, int ranges,
-	struct map_range *mappings, const char *map_file);
+	struct map_range *mappings, const char *map_file, uid_t ruid);
 
 #endif /* _ID_MAPPING_H_ */
 

libmisc/obscure.c

@@ -268,6 +268,9 @@ static /*@observer@*//*@null@*/const char *obscure_msg (
 #ifdef USE_SHA_CRYPT
 		    || (strcmp (result, "SHA256") == 0)
 		    || (strcmp (result, "SHA512") == 0)
+#endif
+#ifdef USE_BCRYPT
+		    || (strcmp (result, "BCRYPT") == 0)
 #endif
 		    ) {
 			return NULL;

libmisc/pam_pass_non_interactive.c

@@ -134,7 +134,7 @@ failed_conversation:
  *
  * Return 0 on success, 1 on failure.
  */
-int do_pam_passwd_non_interractive (const char *pam_service,
+int do_pam_passwd_non_interactive (const char *pam_service,
                                     const char *username,
                                     const char* password)
 {

libmisc/prefix_flag.c

@@ -0,0 +1,347 @@
+/*
+ * Copyright (c) 2011       , Julian Pidancet
+ * Copyright (c) 2011       , Nicolas François
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the copyright holders or contributors may not be used to
+ *    endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#ident "$Id$"
+
+#include <stdio.h>
+#include <assert.h>
+#include "defines.h"
+#include "prototypes.h"
+/*@-exitarg@*/
+#include "exitcodes.h"
+#include "groupio.h"
+#include "pwio.h"
+#ifdef	SHADOWGRP
+#include "sgroupio.h"
+#endif
+#include "shadowio.h"
+#ifdef ENABLE_SUBIDS
+#include "subordinateio.h"
+#endif				/* ENABLE_SUBIDS */
+#include "getdef.h"
+
+static char *passwd_db_file = NULL;
+static char *spw_db_file = NULL;
+static char *group_db_file = NULL;
+static char *sgroup_db_file = NULL;
+static char *suid_db_file = NULL;
+static char *sgid_db_file = NULL;
+static char *def_conf_file = NULL;
+static FILE* fp_pwent = NULL;
+static FILE* fp_grent = NULL;
+
+/*
+ * process_prefix_flag - prefix all paths if given the --prefix option
+ *
+ * This shall be called before accessing the passwd, group, shadow,
+ * gshadow, useradd's default, login.defs files (non exhaustive list)
+ * or authenticating the caller.
+ *
+ * The audit, syslog, or locale files shall be open before
+ */
+extern const char* process_prefix_flag (const char* short_opt, int argc, char **argv)
+{
+	/*
+	 * Parse the command line options.
+	 */
+	int i;
+	const char *prefix = NULL;
+
+	for (i = 0; i < argc; i++) {
+		if (   (strcmp (argv[i], "--prefix") == 0)
+		    || (strcmp (argv[i], short_opt) == 0)) {
+			if (NULL != prefix) {
+				fprintf (stderr,
+				         _("%s: multiple --prefix options\n"),
+				         Prog);
+				exit (E_BAD_ARG);
+			}
+
+			if (i + 1 == argc) {
+				fprintf (stderr,
+				         _("%s: option '%s' requires an argument\n"),
+				         Prog, argv[i]);
+				exit (E_BAD_ARG);
+			}
+			prefix = argv[i + 1];
+		}
+	}
+
+
+
+	if (prefix != NULL) {
+		if ( prefix[0] == '\0' || !strcmp(prefix, "/"))
+			return ""; /* if prefix is "/" then we ignore the flag option */
+		/* should we prevent symbolic link from being used as a prefix? */
+
+		size_t len;
+		len = strlen(prefix) + strlen(PASSWD_FILE) + 2;
+		passwd_db_file = xmalloc(len);
+		snprintf(passwd_db_file, len, "%s/%s", prefix, PASSWD_FILE);
+		pw_setdbname(passwd_db_file);
+
+		len = strlen(prefix) + strlen(GROUP_FILE) + 2;
+		group_db_file = xmalloc(len);
+		snprintf(group_db_file, len, "%s/%s", prefix, GROUP_FILE);
+		gr_setdbname(group_db_file);
+
+#ifdef  SHADOWGRP
+		len = strlen(prefix) + strlen(SGROUP_FILE) + 2;
+		sgroup_db_file = xmalloc(len);
+		snprintf(sgroup_db_file, len, "%s/%s", prefix, SGROUP_FILE);
+		sgr_setdbname(sgroup_db_file);
+#endif
+#ifdef	USE_NIS
+		__setspNIS(0); /* disable NIS for now, at least until it is properly supporting a "prefix" */
+#endif
+
+		len = strlen(prefix) + strlen(SHADOW_FILE) + 2;
+		spw_db_file = xmalloc(len);
+		snprintf(spw_db_file, len, "%s/%s", prefix, SHADOW_FILE);
+		spw_setdbname(spw_db_file);
+
+#ifdef ENABLE_SUBIDS
+		len = strlen(prefix) + strlen("/etc/subuid") + 2;
+		suid_db_file = xmalloc(len);
+		snprintf(suid_db_file, len, "%s/%s", prefix, "/etc/subuid");
+		sub_uid_setdbname(suid_db_file);
+
+		len = strlen(prefix) + strlen("/etc/subgid") + 2;
+		sgid_db_file = xmalloc(len);
+		snprintf(sgid_db_file, len, "%s/%s", prefix, "/etc/subgid");
+		sub_gid_setdbname(sgid_db_file);
+#endif
+
+#ifdef USE_ECONF
+		setdef_config_file(prefix);
+#else
+		len = strlen(prefix) + strlen("/etc/login.defs") + 2;
+		def_conf_file = xmalloc(len);
+		snprintf(def_conf_file, len, "%s/%s", prefix, "/etc/login.defs");
+		setdef_config_file(def_conf_file);
+#endif
+	}
+
+	if (prefix == NULL)
+		return "";
+	return prefix;
+}
+
+
+extern struct group *prefix_getgrnam(const char *name)
+{
+	if (group_db_file) {
+		FILE* fg;
+		struct group * grp = NULL;
+
+		fg = fopen(group_db_file, "rt");
+		if(!fg)
+			return NULL;
+		while(grp = fgetgrent(fg)) {
+			if(!strcmp(name, grp->gr_name))
+				break;
+		}
+		fclose(fg);
+		return grp;
+	}
+
+	return getgrnam(name);
+}
+
+extern struct group *prefix_getgrgid(gid_t gid)
+{
+	if (group_db_file) {
+		FILE* fg;
+		struct group * grp = NULL;
+
+		fg = fopen(group_db_file, "rt");
+		if(!fg)
+			return NULL;
+		while(grp = fgetgrent(fg)) {
+			if(gid == grp->gr_gid)
+				break;
+		}
+		fclose(fg);
+		return grp;
+	}
+
+	return getgrgid(gid);
+}
+
+extern struct passwd *prefix_getpwuid(uid_t uid)
+{
+	if (passwd_db_file) {
+		FILE* fg;
+		struct passwd *pwd = NULL;
+
+		fg = fopen(passwd_db_file, "rt");
+		if(!fg)
+			return NULL;
+		while(pwd = fgetpwent(fg)) {
+			if(uid == pwd->pw_uid)
+				break;
+		}
+		fclose(fg);
+		return pwd;
+	}
+	else {
+		return getpwuid(uid);
+	}
+}
+extern struct passwd *prefix_getpwnam(const char* name)
+{
+	if (passwd_db_file) {
+		FILE* fg;
+		struct passwd *pwd = NULL;
+
+		fg = fopen(passwd_db_file, "rt");
+		if(!fg)
+			return NULL;
+		while(pwd = fgetpwent(fg)) {
+			if(!strcmp(name, pwd->pw_name))
+				break;
+		}
+		fclose(fg);
+		return pwd;
+	}
+	else {
+		return getpwnam(name);
+	}
+}
+extern struct spwd *prefix_getspnam(const char* name)
+{
+	if (spw_db_file) {
+		FILE* fg;
+		struct spwd *sp = NULL;
+
+		fg = fopen(spw_db_file, "rt");
+		if(!fg)
+			return NULL;
+		while(sp = fgetspent(fg)) {
+			if(!strcmp(name, sp->sp_namp))
+				break;
+		}
+		fclose(fg);
+		return sp;
+	}
+	else {
+		return getspnam(name);
+	}
+}
+
+extern void prefix_setpwent()
+{
+	if(!passwd_db_file) {
+		setpwent();
+		return;
+	}
+	if (fp_pwent)
+		fclose (fp_pwent);
+
+	fp_pwent = fopen(passwd_db_file, "rt");
+	if(!fp_pwent)
+		return;
+}
+extern struct passwd* prefix_getpwent()
+{
+	if(!passwd_db_file) {
+		return getpwent();
+	}
+	return fgetpwent(fp_pwent);
+}
+extern void prefix_endpwent()
+{
+	if(!passwd_db_file) {
+		endpwent();
+		return;
+	}
+	if (fp_pwent)
+		fclose(fp_pwent);
+	fp_pwent = NULL;
+}
+
+extern void prefix_setgrent()
+{
+	if(!group_db_file) {
+		setgrent();
+		return;
+	}
+	if (fp_grent)
+		fclose (fp_grent);
+
+	fp_grent = fopen(group_db_file, "rt");
+	if(!fp_grent)
+		return;
+}
+extern struct group* prefix_getgrent()
+{
+	if(!group_db_file) {
+		return getgrent();
+	}
+	return fgetgrent(fp_grent);
+}
+extern void prefix_endgrent()
+{
+	if(!group_db_file) {
+		endgrent();
+		return;
+	}
+	if (fp_grent)
+		fclose(fp_grent);
+	fp_grent = NULL;
+}
+
+extern struct group *prefix_getgr_nam_gid(const char *grname)
+{
+	long long int gid;
+	char *endptr;
+	struct group *g;
+
+	if (NULL == grname) {
+		return NULL;
+	}
+
+	if (group_db_file) {
+		errno = 0;
+		gid = strtoll (grname, &endptr, 10);
+		if (   ('\0' != *grname)
+	    	&& ('\0' == *endptr)
+	    	&& (ERANGE != errno)
+	    	&& (gid == (gid_t)gid)) {
+			return prefix_getgrgid ((gid_t) gid);
+		}
+		g = prefix_getgrnam (grname);
+		return g ? __gr_dup(g) : NULL;
+	}
+	else
+		return getgr_nam_gid(grname);
+}

libmisc/pwd2spwd.c

@@ -40,7 +40,6 @@
 #include "prototypes.h"
 #include "defines.h"
 #include <pwd.h>
-extern time_t time (time_t *);
 
 /*
  * pwd_to_spwd - create entries for new spwd structure
@@ -66,7 +65,7 @@ struct spwd *pwd_to_spwd (const struct passwd *pw)
 		 */
 		sp.sp_min = 0;
 		sp.sp_max = (10000L * DAY) / SCALE;
-		sp.sp_lstchg = (long) time ((time_t *) 0) / SCALE;
+		sp.sp_lstchg = (long) gettime () / SCALE;
 		if (0 == sp.sp_lstchg) {
 			/* Better disable aging than requiring a password
 			 * change */

libmisc/salt.c

@@ -22,10 +22,16 @@
 /* local function prototypes */
 static void seedRNG (void);
 static /*@observer@*/const char *gensalt (size_t salt_size);
-#ifdef USE_SHA_CRYPT
+#if defined(USE_SHA_CRYPT) || defined(USE_BCRYPT)
 static long shadow_random (long min, long max);
+#endif /* USE_SHA_CRYPT || USE_BCRYPT */
+#ifdef USE_SHA_CRYPT
 static /*@observer@*/const char *SHA_salt_rounds (/*@null@*/int *prefered_rounds);
 #endif /* USE_SHA_CRYPT */
+#ifdef USE_BCRYPT
+static /*@observer@*/const char *gensalt_bcrypt (void);
+static /*@observer@*/const char *BCRYPT_salt_rounds (/*@null@*/int *prefered_rounds);
+#endif /* USE_BCRYPT */
 
 #ifndef HAVE_L64A
 static /*@observer@*/char *l64a(long value)
@@ -79,8 +85,16 @@ static void seedRNG (void)
  * Add the salt prefix.
  */
 #define MAGNUM(array,ch)	(array)[0]=(array)[2]='$',(array)[1]=(ch),(array)[3]='\0'
+#ifdef USE_BCRYPT
+/* 
+ * Using the Prefix $2a$ to enable an anti-collision safety measure in musl libc.
+ * Negatively affects a subset of passwords containing the '\xff' character,
+ * which is not valid UTF-8 (so "unlikely to cause much annoyance").
+ */
+#define BCRYPTMAGNUM(array)	(array)[0]=(array)[3]='$',(array)[1]='2',(array)[2]='a',(array)[4]='\0'
+#endif /* USE_BCRYPT */
 
-#ifdef USE_SHA_CRYPT
+#if defined(USE_SHA_CRYPT) || defined(USE_BCRYPT)
 /* It is not clear what is the maximum value of random().
  * We assume 2^31-1.*/
 #define RANDOM_MAX 0x7FFFFFFF
@@ -105,14 +119,15 @@ static long shadow_random (long min, long max)
 	}
 	return ret;
 }
+#endif /* USE_SHA_CRYPT || USE_BCRYPT */
 
+#ifdef USE_SHA_CRYPT
 /* Default number of rounds if not explicitly specified.  */
 #define ROUNDS_DEFAULT 5000
 /* Minimum number of rounds.  */
 #define ROUNDS_MIN 1000
 /* Maximum number of rounds.  */
 #define ROUNDS_MAX 999999999
-
 /*
  * Return a salt prefix specifying the rounds number for the SHA crypt methods.
  */
@@ -165,6 +180,89 @@ static /*@observer@*/const char *SHA_salt_rounds (/*@null@*/int *prefered_rounds
 }
 #endif /* USE_SHA_CRYPT */
 
+#ifdef USE_BCRYPT
+/* Default number of rounds if not explicitly specified.  */
+#define B_ROUNDS_DEFAULT 13
+/* Minimum number of rounds.  */
+#define B_ROUNDS_MIN 4
+/* Maximum number of rounds.  */
+#define B_ROUNDS_MAX 31
+/*
+ * Return a salt prefix specifying the rounds number for the BCRYPT method.
+ */
+static /*@observer@*/const char *BCRYPT_salt_rounds (/*@null@*/int *prefered_rounds)
+{
+	static char rounds_prefix[4]; /* Max size: 31$ */
+	long rounds;
+
+	if (NULL == prefered_rounds) {
+		long min_rounds = getdef_long ("BCRYPT_MIN_ROUNDS", -1);
+		long max_rounds = getdef_long ("BCRYPT_MAX_ROUNDS", -1);
+
+		if (((-1 == min_rounds) && (-1 == max_rounds)) || (0 == *prefered_rounds)) {
+			rounds = B_ROUNDS_DEFAULT;
+		}
+		else {
+			if (-1 == min_rounds) {
+				min_rounds = max_rounds;
+			}
+	
+			if (-1 == max_rounds) {
+				max_rounds = min_rounds;
+			}
+	
+			if (min_rounds > max_rounds) {
+				max_rounds = min_rounds;
+			}
+	
+			rounds = shadow_random (min_rounds, max_rounds);
+		}
+	} else {
+		rounds = *prefered_rounds;
+	}
+
+	/* 
+	 * Sanity checks. 
+	 * Use 19 as an upper bound for now,
+	 * because musl doesn't allow rounds >= 20.
+	 */
+	if (rounds < B_ROUNDS_MIN) {
+		rounds = B_ROUNDS_MIN;
+	}
+
+	if (rounds > 19) {
+		/* rounds = B_ROUNDS_MAX; */
+		rounds = 19;
+	}
+
+	(void) snprintf (rounds_prefix, sizeof rounds_prefix,
+	                 "%2.2ld$", rounds);
+
+	return rounds_prefix;
+}
+
+#define BCRYPT_SALT_SIZE 22
+/*
+ *  Generate a 22 character salt string for bcrypt.
+ */
+static /*@observer@*/const char *gensalt_bcrypt (void)
+{
+	static char salt[32];
+
+	salt[0] = '\0';
+
+	seedRNG ();
+	strcat (salt, l64a (random()));
+	do {
+		strcat (salt, l64a (random()));
+	} while (strlen (salt) < BCRYPT_SALT_SIZE);
+
+	salt[BCRYPT_SALT_SIZE] = '\0';
+
+	return salt;
+}
+#endif /* USE_BCRYPT */
+
 /*
  *  Generate salt of size salt_size.
  */
@@ -230,6 +328,11 @@ static /*@observer@*/const char *gensalt (size_t salt_size)
 
 	if (0 == strcmp (method, "MD5")) {
 		MAGNUM(result, '1');
+#ifdef USE_BCRYPT
+	} else if (0 == strcmp (method, "BCRYPT")) {
+		BCRYPTMAGNUM(result);
+		strcat(result, BCRYPT_salt_rounds((int *)arg));
+#endif /* USE_BCRYPT */
 #ifdef USE_SHA_CRYPT
 	} else if (0 == strcmp (method, "SHA256")) {
 		MAGNUM(result, '5');
@@ -252,8 +355,18 @@ static /*@observer@*/const char *gensalt (size_t salt_size)
 	 * Concatenate a pseudo random salt.
 	 */
 	assert (sizeof (result) > strlen (result) + salt_len);
-	strncat (result, gensalt (salt_len),
-		 sizeof (result) - strlen (result) - 1);
+#ifdef USE_BCRYPT
+	if (0 == strcmp (method, "BCRYPT")) {
+		strncat (result, gensalt_bcrypt (),
+				 sizeof (result) - strlen (result) - 1);
+		return result;
+	} else {
+#endif /* USE_BCRYPT */	
+		strncat (result, gensalt (salt_len),
+			 sizeof (result) - strlen (result) - 1);
+#ifdef USE_BCRYPT
+	}
+#endif /* USE_BCRYPT */	
 
 	return result;
 }

libmisc/setupenv.c

@@ -171,7 +171,7 @@ static void read_env_file (const char *filename)
 				cp++;
 			goto d_quote;
 		}
-		eise if (*cp == '\0') {
+		else if (*cp == '\0') {
 			/* end of string */
 			goto finished;
 		} else {

libmisc/strtoday.c

@@ -126,7 +126,7 @@ static char *date_formats[] = {
 #else
 /*
  * days and juldays are used to compute the number of days in the
- * current month, and the cummulative number of days in the preceding
+ * current month, and the cumulative number of days in the preceding
  * months.  they are declared so that january is 1, not 0.
  */
 static short days[13] = { 0,

libmisc/user_busy.c

@@ -170,11 +170,17 @@ static int user_busy_processes (const char *name, uid_t uid)
 	proc = opendir ("/proc");
 	if (proc == NULL) {
 		perror ("opendir /proc");
+#ifdef ENABLE_SUBIDS
+		sub_uid_close();
+#endif
 		return 0;
 	}
 	if (stat ("/", &sbroot) != 0) {
 		perror ("stat (\"/\")");
 		(void) closedir (proc);
+#ifdef ENABLE_SUBIDS
+		sub_uid_close();
+#endif
 		return 0;
 	}
 
@@ -212,6 +218,9 @@ static int user_busy_processes (const char *name, uid_t uid)
 
 		if (check_status (name, tmp_d_name, uid) != 0) {
 			(void) closedir (proc);
+#ifdef ENABLE_SUBIDS
+			sub_uid_close();
+#endif
 			fprintf (stderr,
 			         _("%s: user %s is currently used by process %d\n"),
 			         Prog, name, pid);
@@ -232,6 +241,9 @@ static int user_busy_processes (const char *name, uid_t uid)
 				}
 				if (check_status (name, task_path+6, uid) != 0) {
 					(void) closedir (proc);
+#ifdef ENABLE_SUBIDS
+					sub_uid_close();
+#endif
 					fprintf (stderr,
 					         _("%s: user %s is currently used by process %d\n"),
 					         Prog, name, pid);

libmisc/utmp.c

@@ -35,10 +35,10 @@
 #include "defines.h"
 #include "prototypes.h"
 
-#include <utmp.h>
-
 #ifdef USE_UTMPX
 #include <utmpx.h>
+#else
+#include <utmp.h>
 #endif
 
 #include <assert.h>
@@ -88,7 +88,7 @@ static bool is_my_tty (const char *tty)
  *                    session
  *
  *	The utmp file is scanned for an entry with the same process ID.
- *	The line enterred by the *getty / telnetd, etc. should also match
+ *	The line entered by the *getty / telnetd, etc. should also match
  *	the current terminal.
  *
  *	When an entry is returned by get_current_utmp, and if the utmp
@@ -97,6 +97,7 @@ static bool is_my_tty (const char *tty)
  *
  *	Return NULL if no entries exist in utmp for the current process.
  */
+#ifndef USE_UTMPX
 /*@null@*/ /*@only@*/struct utmp *get_current_utmp (void)
 {
 	struct utmp *ut;
@@ -130,6 +131,36 @@ static bool is_my_tty (const char *tty)
 
 	return ret;
 }
+#else
+/*@null@*/ /*@only*/struct utmpx *get_current_utmp(void)
+{
+	struct utmpx *ut;
+	struct utmpx *ret = NULL;
+
+	setutxent ();
+
+	/* Find the utmpx entry for this PID. */
+	while ((ut = getutxent ()) != NULL) {
+		if (   (ut->ut_pid == getpid ())
+		    && ('\0' != ut->ut_id[0])
+		    && (   (LOGIN_PROCESS == ut->ut_type)
+			|| (USER_PROCESS == ut->ut_type))
+		    && is_my_tty (ut->ut_line)) {
+			break;
+		}
+	}
+
+	if (NULL != ut) {
+		ret = (struct utmpx *) xmalloc (sizeof (*ret));
+		memcpy (ret, ut, sizeof (*ret));
+	}
+
+	endutxent ();
+
+	return ret;
+}
+#endif
+
 
 #ifndef USE_PAM
 /*
@@ -166,6 +197,7 @@ static void updwtmpx (const char *filename, const struct utmpx *utx)
 #endif				/* ! USE_PAM */
 
 
+#ifndef USE_UTMPX
 /*
  * prepare_utmp - prepare an utmp entry so that it can be logged in a
  *                utmp/wtmp file.
@@ -325,14 +357,14 @@ int setutmp (struct utmp *ut)
 	return err;
 }
 
-#ifdef USE_UTMPX
+#else
 /*
  * prepare_utmpx - the UTMPX version for prepare_utmp
  */
 /*@only@*/struct utmpx *prepare_utmpx (const char *name,
                                        const char *line,
                                        const char *host,
-                                       /*@null@*/const struct utmp *ut)
+                                       /*@null@*/const struct utmpx *ut)
 {
 	struct timeval tv;
 	char *hostname = NULL;
@@ -398,7 +430,7 @@ int setutmp (struct utmp *ut)
 				struct sockaddr_in *sa =
 					(struct sockaddr_in *) info->ai_addr;
 #ifdef HAVE_STRUCT_UTMPX_UT_ADDR
-				memcpy (utxent->ut_addr,
+				memcpy (&utxent->ut_addr,
 				        &(sa->sin_addr),
 				        MIN (sizeof (utxent->ut_addr),
 				             sizeof (sa->sin_addr)));

man/.gitignore

@@ -1,8 +0,0 @@
-.xml2po.mo
-config.xml
-generate_mans.deps
-
-*.[0-9]
-
-/po/POTFILES
-/po/stamp-po

man/Makefile.am

@@ -41,7 +41,6 @@ man_MANS = \
 	man1/sg.1 \
 	man3/shadow.3 \
 	man5/shadow.5 \
-	man1/su.1 \
 	man5/suauth.5 \
 	man8/useradd.8 \
 	man8/userdel.8 \
@@ -54,6 +53,10 @@ man_nopam = \
 	man5/login.access.5 \
 	man5/porttime.5
 
+if WITH_SU
+man_MANS += man1/su.1
+endif
+
 if !USE_PAM
 man_MANS += $(man_nopam)
 endif
@@ -137,6 +140,7 @@ login_defs_v = \
 	ISSUE_FILE.xml \
 	KILLCHAR.xml \
 	LASTLOG_ENAB.xml \
+	LASTLOG_UID_MAX.xml \
 	LOGIN_RETRIES.xml \
 	LOGIN_STRING.xml \
 	LOGIN_TIMEOUT.xml \
@@ -215,5 +219,4 @@ $(man_MANS):
 	@echo "Error: you need to run configure with '--enable-man'"
 	@echo "       in order to regenerate man pages."
 	@echo ""
-	@false
 endif

man/chage.1.xml

@@ -83,7 +83,7 @@
       The <command>chage</command> command changes the number of days between
       password changes and the date of the last password change. This
       information is used by the system to determine when a user must change
-      his/her password.
+      their password.
     </para>
   </refsect1>
 
@@ -131,6 +131,12 @@
 	  <para>Display help message and exit.</para>
 	</listitem>
       </varlistentry>
+      <varlistentry>
+	<term><option>-i</option>, <option>--iso8601</option></term>
+	<listitem>
+	  <para>When printing dates, use YYYY-MM-DD format.</para>
+	</listitem>
+      </varlistentry>
       <varlistentry>
 	<term>
 	  <option>-I</option>, <option>--inactive</option>&nbsp;<replaceable>INACTIVE</replaceable>
@@ -168,7 +174,7 @@
 	  <para>
 	    Set the minimum number of days between password changes to
 	    <replaceable>MIN_DAYS</replaceable>. A value of zero for this field
-	    indicates that the user may change his/her password at any time.
+	    indicates that the user may change their password at any time.
 	  </para>
 	</listitem>
       </varlistentry>
@@ -181,8 +187,8 @@
 	    Set the maximum number of days during which a password is valid. 
 	    When <replaceable>MAX_DAYS</replaceable> plus
 	    <replaceable>LAST_DAY</replaceable> is less than the current
-	    day, the user will be required to change his/her password before
-	    being able to use his/her account. This occurrence can be planned for
+	    day, the user will be required to change their password before
+	    being able to use their account. This occurrence can be planned for
 	    in advance by use of the <option>-W</option> option, which
 	    provides the user with advance warning.
 	  </para>
@@ -214,7 +220,7 @@
 	    Set the number of days of warning before a password change is
 	    required. The <replaceable>WARN_DAYS</replaceable> option is the
 	    number of days prior to the password expiring that a user will
-	    be warned his/her password is about to expire.
+	    be warned their password is about to expire.
 	  </para>
 	</listitem>
       </varlistentry>
@@ -235,7 +241,7 @@
     </para>
     <para>The <command>chage</command> command is restricted to the root
       user, except for the <option>-l</option> option, which may be used by
-      an unprivileged user to determine when his/her password or account is due
+      an unprivileged user to determine when their password or account is due
       to expire.
     </para>
   </refsect1>

man/chgpasswd.8.xml

@@ -92,7 +92,7 @@
     <para>
       The default encryption algorithm can be defined for the system with
       the <option>ENCRYPT_METHOD</option> variable of <filename>/etc/login.defs</filename>,
-      and can be overwiten with the <option>-e</option>,
+      and can be overwritten with the <option>-e</option>,
       <option>-m</option>, or <option>-c</option> options.
     </para>
     <para>

man/chpasswd.8.xml

@@ -98,7 +98,7 @@
       The default encryption algorithm can be defined for the system with
       the <option>ENCRYPT_METHOD</option> or
       <option>MD5_CRYPT_ENAB</option> variables of
-      <filename>/etc/login.defs</filename>, and can be overwitten with the
+      <filename>/etc/login.defs</filename>, and can be overwritten with the
       <option>-e</option>, <option>-m</option>, or <option>-c</option>
       options.
     </para>
@@ -112,7 +112,7 @@
       <phrase condition="pam">Except when PAM is used to encrypt the
       passwords,</phrase> <command>chpasswd</command> first updates all the
       passwords in memory, and then commits all the changes to disk if no
-      errors occured for any user.
+      errors occurred for any user.
     </para>
     <para condition="pam">
       When PAM is used to encrypt the passwords (and update the passwords in

man/cs/Makefile.in

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+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@/da
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+
+# 2012.01.28 - activate manpages with more than 50% translated messages
+man_MANS = man1/chfn.1 man8/groupdel.8 man1/groups.1 man5/gshadow.5 \
+	man8/logoutd.8 man1/newgrp.1 man8/nologin.8 man1/sg.1 \
+	man8/vigr.8 man8/vipw.8 $(am__append_1)
+man_nopam = 
+EXTRA_DIST = $(man_MANS) man1/id.1 $(am__append_2)
+LANG = $(notdir $(CURDIR))
+@ENABLE_REGENERATE_MAN_TRUE@@USE_PAM_FALSE@PAM_COND = no_pam
+@ENABLE_REGENERATE_MAN_TRUE@@USE_PAM_TRUE@PAM_COND = pam
+@ENABLE_REGENERATE_MAN_TRUE@@SHADOWGRP_FALSE@SHADOWGRP_COND = no_gshadow
+@ENABLE_REGENERATE_MAN_TRUE@@SHADOWGRP_TRUE@SHADOWGRP_COND = gshadow
+@ENABLE_REGENERATE_MAN_TRUE@@WITH_TCB_FALSE@TCB_COND = no_tcb
+@ENABLE_REGENERATE_MAN_TRUE@@WITH_TCB_TRUE@TCB_COND = tcb
+@ENABLE_REGENERATE_MAN_TRUE@@USE_SHA_CRYPT_FALSE@SHA_CRYPT_COND = no_sha_crypt
+@ENABLE_REGENERATE_MAN_TRUE@@USE_SHA_CRYPT_TRUE@SHA_CRYPT_COND = sha_crypt
+@ENABLE_REGENERATE_MAN_TRUE@@ENABLE_SUBIDS_FALSE@SUBIDS_COND = no_subids
+@ENABLE_REGENERATE_MAN_TRUE@@ENABLE_SUBIDS_TRUE@SUBIDS_COND = subids
+CLEANFILES = messages.mo login.defs.d $(EXTRA_DIST) $(addsuffix .xml,$(EXTRA_DIST)) config.xml
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/../generate_translations.mak $(srcdir)/../generate_mans.mak $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign man/da/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign man/da/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+$(srcdir)/../generate_translations.mak $(srcdir)/../generate_mans.mak $(am__empty):
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-man1: $(man_MANS)
+	@$(NORMAL_INSTALL)
+	@list1=''; \
+	list2='$(man_MANS)'; \
+	test -n "$(man1dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man1dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man1dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.1[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man1dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man1dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man1dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man1dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man1:
+	@$(NORMAL_UNINSTALL)
+	@list=''; test -n "$(man1dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.1[a-z]*$$/p'; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man1dir)'; $(am__uninstall_files_from_dir)
+install-man5: $(man_MANS)
+	@$(NORMAL_INSTALL)
+	@list1=''; \
+	list2='$(man_MANS)'; \
+	test -n "$(man5dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man5dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man5dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.5[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^5][0-9a-z]*$$,5,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man5dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man5dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man5dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man5dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man5:
+	@$(NORMAL_UNINSTALL)
+	@list=''; test -n "$(man5dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.5[a-z]*$$/p'; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^5][0-9a-z]*$$,5,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man5dir)'; $(am__uninstall_files_from_dir)
+install-man8: $(man_MANS)
+	@$(NORMAL_INSTALL)
+	@list1=''; \
+	list2='$(man_MANS)'; \
+	test -n "$(man8dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man8dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man8dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+	    | sed -n '/\.8[a-z]*$$/p'; \
+	fi; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man8dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man8dir)/$$inst" || exit $$?; \
+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man8dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man8dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man8:
+	@$(NORMAL_UNINSTALL)
+	@list=''; test -n "$(man8dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	l2='$(man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.8[a-z]*$$/p'; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^8][0-9a-z]*$$,8,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man8dir)'; $(am__uninstall_files_from_dir)
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(man1dir)" "$(DESTDIR)$(man5dir)" "$(DESTDIR)$(man8dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+@ENABLE_REGENERATE_MAN_FALSE@clean-local:
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-local mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man1 install-man5 install-man8
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-man
+
+uninstall-man: uninstall-man1 uninstall-man5 uninstall-man8
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	clean-local cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-man1 install-man5 install-man8 install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-man uninstall-man1 uninstall-man5 \
+	uninstall-man8
+
+.PRECIOUS: Makefile
+
+
+@ENABLE_REGENERATE_MAN_TRUE@config.xml: ../config.xml.in
+@ENABLE_REGENERATE_MAN_TRUE@	$(MAKE) -C .. config.xml
+@ENABLE_REGENERATE_MAN_TRUE@	cp ../config.xml $@
+
+@ENABLE_REGENERATE_MAN_TRUE@messages.mo: ../po/$(LANG).po
+@ENABLE_REGENERATE_MAN_TRUE@	msgfmt ../po/$(LANG).po -o messages.mo
+
+@ENABLE_REGENERATE_MAN_TRUE@login.defs.d:
+@ENABLE_REGENERATE_MAN_TRUE@	ln -sf ../login.defs.d login.defs.d
+
+@ENABLE_REGENERATE_MAN_TRUE@%.xml: ../%.xml messages.mo login.defs.d
+@ENABLE_REGENERATE_MAN_TRUE@	if grep -q SHADOW-CONFIG-HERE $< ; then \
+@ENABLE_REGENERATE_MAN_TRUE@	    sed -e 's/^<!-- SHADOW-CONFIG-HERE -->/<!ENTITY % config SYSTEM "config.xml">%config;/' $< > $@; \
+@ENABLE_REGENERATE_MAN_TRUE@	else \
+@ENABLE_REGENERATE_MAN_TRUE@	    sed -e 's/^\(<!DOCTYPE .*docbookx.dtd"\)>/\1 [<!ENTITY % config SYSTEM "config.xml">%config;]>/' $< > $@; \
+@ENABLE_REGENERATE_MAN_TRUE@	fi
+@ENABLE_REGENERATE_MAN_TRUE@	itstool -d -l $(LANG) -m messages.mo -o . $@
+@ENABLE_REGENERATE_MAN_TRUE@	sed -i 's:\(^<refentry .*\)>:\1 lang="$(LANG)">:' $@
+
+@ENABLE_REGENERATE_MAN_TRUE@%.xml-config: %.xml
+@ENABLE_REGENERATE_MAN_TRUE@	if grep -q SHADOW-CONFIG-HERE $<; then \
+@ENABLE_REGENERATE_MAN_TRUE@		sed -e 's/^<!-- SHADOW-CONFIG-HERE -->/<!ENTITY % config SYSTEM "config.xml">%config;/' $< > $@; \
+@ENABLE_REGENERATE_MAN_TRUE@	else \
+@ENABLE_REGENERATE_MAN_TRUE@		sed -e 's/^\(<!DOCTYPE .*docbookx.dtd"\)>/\1 [<!ENTITY % config SYSTEM "config.xml">%config;]>/' $< > $@; \
+@ENABLE_REGENERATE_MAN_TRUE@	fi
+
+@ENABLE_REGENERATE_MAN_TRUE@man1/% man3/% man5/% man8/%: %.xml-config Makefile config.xml
+@ENABLE_REGENERATE_MAN_TRUE@	$(XSLTPROC) --stringparam profile.condition "$(PAM_COND);$(SHADOWGRP_COND);$(TCB_COND);$(SHA_CRYPT_COND);$(SUBIDS_COND)" \
+@ENABLE_REGENERATE_MAN_TRUE@	            --param "man.authors.section.enabled" "0" \
+@ENABLE_REGENERATE_MAN_TRUE@	            --stringparam "man.output.base.dir" "" \
+@ENABLE_REGENERATE_MAN_TRUE@	            --param "man.output.in.separate.dir" "1" \
+@ENABLE_REGENERATE_MAN_TRUE@	            -nonet http://docbook.sourceforge.net/release/xsl/current/manpages/profile-docbook.xsl $<
+
+@ENABLE_REGENERATE_MAN_TRUE@clean-local:
+@ENABLE_REGENERATE_MAN_TRUE@	rm -rf man1 man3 man5 man8
+
+#$(man_MANS):
+#	@echo you need to run configure with --enable-man to generate man pages
+
+@ENABLE_REGENERATE_MAN_TRUE@man8/grpconv.8 man8/grpunconv.8 man8/pwunconv.8: man8/pwconv.8
+
+@ENABLE_REGENERATE_MAN_TRUE@man3/getspnam.3: man3/shadow.3
+
+@ENABLE_REGENERATE_MAN_TRUE@man8/vigr.8: man8/vipw.8
+
+@ENABLE_REGENERATE_MAN_FALSE@$(man_MANS):
+@ENABLE_REGENERATE_MAN_FALSE@	@echo you need to run configure with --enable-man to generate man pages
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

man/da/man1/chfn.1

@@ -0,0 +1,163 @@
+'\" t
+.\"     Title: chfn
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: User Commands
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "CHFN" "1" "01/12/2019" "shadow\-utils 4\&.8" "User Commands"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+chfn \- change real user name and information
+.SH "SYNOPSIS"
+.HP \w'\fBchfn\fR\ 'u
+\fBchfn\fR [\fItilvalg\fR] [\fILOGIND\fR]
+.SH "BESKRIVELSE"
+.PP
+The
+\fBchfn\fR
+command changes user fullname, office room number, office phone number, and home phone number information for a user\*(Aqs account\&. This information is typically printed by
+\fBfinger\fR(1)
+and similar programs\&. A normal user may only change the fields for her own account, subject to the restrictions in
+/etc/login\&.defs\&. (The default configuration is to prevent users from changing their fullname\&.) The superuser may change any field for any account\&. Additionally, only the superuser may use the
+\fB\-o\fR
+option to change the undefined portions of the GECOS field\&.
+.PP
+These fields must not contain any colons\&. Except for the
+\fIother\fR
+field, they should not contain any comma or equal sign\&. It is also recommended to avoid non\-US\-ASCII characters, but this is only enforced for the phone numbers\&. The
+\fIother\fR
+field is used to store accounting information used by other applications\&.
+.SH "TILVALG"
+.PP
+The options which apply to the
+\fBchfn\fR
+command are:
+.PP
+\fB\-f\fR, \fB\-\-full\-name\fR\ \&\fIFULL_NAME\fR
+.RS 4
+\(AEndr brugerens navn\&.
+.RE
+.PP
+\fB\-h\fR, \fB\-\-home\-phone\fR\ \&\fIHOME_PHONE\fR
+.RS 4
+\(AEndr brugerens telefonnummer\&.
+.RE
+.PP
+\fB\-o\fR, \fB\-\-other\fR\ \&\fIOTHER\fR
+.RS 4
+\(AEndr brugerens anden GECOS\-information\&. Dette felt bruges til at gemme kontoinformation brugt af andre programmer, og kan kun \(aendres af en superbruger\&.
+.RE
+.PP
+\fB\-r\fR, \fB\-\-room\fR\ \&\fIROOM_NUMBER\fR
+.RS 4
+\(AEndr brugerens v\(aerelsesnummer\&.
+.RE
+.PP
+\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
+.RS 4
+Apply changes in the
+\fICHROOT_DIR\fR
+directory and use the configuration files from the
+\fICHROOT_DIR\fR
+directory\&.
+.RE
+.PP
+\fB\-u\fR, \fB\-\-help\fR
+.RS 4
+Vis hj\(aelpeteksten og afslut\&.
+.RE
+.PP
+\fB\-w\fR, \fB\-\-work\-phone\fR\ \&\fIWORK_PHONE\fR
+.RS 4
+\(AEndr brugerens arbejdsnummer\&.
+.RE
+.PP
+If none of the options are selected,
+\fBchfn\fR
+operates in an interactive fashion, prompting the user with the current values for all of the fields\&. Enter the new value to change the field, or leave the line blank to use the current value\&. The current value is displayed between a pair of
+\fB[ ]\fR
+marks\&. Without options,
+\fBchfn\fR
+prompts for the current user account\&.
+.SH "KONFIGURATION"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.PP
+\fBCHFN_AUTH\fR (boolean)
+.RS 4
+If
+\fIyes\fR, the
+\fBchfn\fR
+program will require authentication before making any changes, unless run by the superuser\&.
+.RE
+.PP
+\fBCHFN_RESTRICT\fR (string)
+.RS 4
+This parameter specifies which values in the
+\fIgecos\fR
+field of the
+/etc/passwd
+file may be changed by regular users using the
+\fBchfn\fR
+program\&. It can be any combination of letters
+\fIf\fR,
+\fIr\fR,
+\fIw\fR,
+\fIh\fR, for Full name, Room number, Work phone, and Home phone, respectively\&. For backward compatibility,
+\fIyes\fR
+is equivalent to
+\fIrwh\fR
+and
+\fIno\fR
+is equivalent to
+\fIfrwh\fR\&. If not specified, only the superuser can make any changes\&. The most restrictive setting is better achieved by not installing
+\fBchfn\fR
+SUID\&.
+.RE
+.PP
+\fBLOGIN_STRING\fR (string)
+.RS 4
+The string used for prompting a password\&. The default is to use "Password: ", or a translation of that string\&. If you set this variable, the prompt will not be translated\&.
+.sp
+If the string contains
+\fI%s\fR, this will be replaced by the user\*(Aqs name\&.
+.RE
+.SH "FILER"
+.PP
+/etc/login\&.defs
+.RS 4
+Shadow password suite configuration\&.
+.RE
+.PP
+/etc/passwd
+.RS 4
+Information om brugerkonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBchsh\fR(1),
+\fBlogin.defs\fR(5),
+\fBpasswd\fR(5)\&.

man/da/man1/groups.1

@@ -0,0 +1,64 @@
+'\" t
+.\"     Title: groups
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: User Commands
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "GROUPS" "1" "01/12/2019" "shadow\-utils 4\&.8" "User Commands"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+groups \- vis aktuelle gruppenavne
+.SH "SYNOPSIS"
+.HP \w'\fBgroups\fR\ 'u
+\fBgroups\fR [\fIbruger\fR]
+.SH "BESKRIVELSE"
+.PP
+The
+\fBgroups\fR
+command displays the current group names or ID values\&. If the value does not have a corresponding entry in
+/etc/group, the value will be displayed as the numerical group value\&. The optional
+\fIuser\fR
+parameter will display the groups for the named
+\fIuser\fR\&.
+.SH "NOTE"
+.PP
+Systems which do not support concurrent group sets will have the information from
+/etc/group
+reported\&. The user must use
+\fBnewgrp\fR
+or
+\fBsg\fR
+to change his current real and effective group ID\&.
+.SH "FILER"
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBnewgrp\fR(1),
+\fBgetgid\fR(2),
+\fBgetgroups\fR(2),
+\fBgetuid\fR(2)\&.

man/da/man1/id.1

@@ -0,0 +1,60 @@
+'\" t
+.\"     Title: id
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: User Commands
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "ID" "1" "01/12/2019" "shadow\-utils 4\&.8" "User Commands"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+id \- display current user and group ID names
+.SH "SYNOPSIS"
+.HP \w'\fBid\fR\ 'u
+\fBid\fR [\-a]
+.SH "BESKRIVELSE"
+.PP
+The
+\fBid\fR
+command displays the current real and effective user and group ID names or values\&. If the value does not have a corresponding entry in
+/etc/passwd
+or
+/etc/group, the value will be displayed without the corresponding name\&. The optional
+\fB\-a\fR
+flag will display the group set on systems which support multiple concurrent group membership\&.
+.SH "FILER"
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.PP
+/etc/passwd
+.RS 4
+Information om brugerkonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBgetgid\fR(2),
+\fBgetgroups\fR(2),
+\fBgetuid\fR(2)

man/da/man1/newgrp.1

@@ -0,0 +1,98 @@
+'\" t
+.\"     Title: newgrp
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: User Commands
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "NEWGRP" "1" "01/12/2019" "shadow\-utils 4\&.8" "User Commands"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+newgrp \- log ind p\(oa en ny gruppe
+.SH "SYNOPSIS"
+.HP \w'\fBnewgrp\fR\ 'u
+\fBnewgrp\fR [\-] [\fIgroup\fR]
+.SH "BESKRIVELSE"
+.PP
+The
+\fBnewgrp\fR
+command is used to change the current group ID during a login session\&. If the optional
+\fB\-\fR
+flag is given, the user\*(Aqs environment will be reinitialized as though the user had logged in, otherwise the current environment, including current working directory, remains unchanged\&.
+.PP
+\fBnewgrp\fR
+changes the current real group ID to the named group, or to the default group listed in
+/etc/passwd
+if no group name is given\&.
+\fBnewgrp\fR
+also tries to add the group to the user groupset\&. If not root, the user will be prompted for a password if she does not have a password (in
+/etc/shadow
+if this user has an entry in the shadowed password file, or in
+/etc/passwd
+otherwise) and the group does, or if the user is not listed as a member and the group has a password\&. The user will be denied access if the group password is empty and the user is not listed as a member\&.
+.PP
+If there is an entry for this group in
+/etc/gshadow, then the list of members and the password of this group will be taken from this file, otherwise, the entry in
+/etc/group
+is considered\&.
+.SH "KONFIGURATION"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.PP
+\fBSYSLOG_SG_ENAB\fR (boolean)
+.RS 4
+Enable "syslog" logging of
+\fBsg\fR
+activity\&.
+.RE
+.SH "FILER"
+.PP
+/etc/passwd
+.RS 4
+Information om brugerkonto\&.
+.RE
+.PP
+/etc/shadow
+.RS 4
+Information om sikret brugerkonto\&.
+.RE
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.PP
+/etc/gshadow
+.RS 4
+Information om sikret gruppekonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBid\fR(1),
+\fBlogin\fR(1),
+\fBsu\fR(1),
+\fBsg\fR(1),
+\fBgpasswd\fR(1),
+\fBgroup\fR(5), \fBgshadow\fR(5)\&.

man/da/man1/sg.1

@@ -0,0 +1,97 @@
+'\" t
+.\"     Title: sg
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: User Commands
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "SG" "1" "01/12/2019" "shadow\-utils 4\&.8" "User Commands"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+sg \- execute command as different group ID
+.SH "SYNOPSIS"
+.HP \w'\fBsg\fR\ 'u
+\fBsg\fR [\-] [group\ [\-c\ ]\ command]
+.SH "BESKRIVELSE"
+.PP
+The
+\fBsg\fR
+command works similar to
+\fBnewgrp\fR
+but accepts a command\&. The command will be executed with the
+/bin/sh
+shell\&. With most shells you may run
+\fBsg\fR
+from, you need to enclose multi\-word commands in quotes\&. Another difference between
+\fBnewgrp\fR
+and
+\fBsg\fR
+is that some shells treat
+\fBnewgrp\fR
+specially, replacing themselves with a new instance of a shell that
+\fBnewgrp\fR
+creates\&. This doesn\*(Aqt happen with
+\fBsg\fR, so upon exit from a
+\fBsg\fR
+command you are returned to your previous group ID\&.
+.SH "KONFIGURATION"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.PP
+\fBSYSLOG_SG_ENAB\fR (boolean)
+.RS 4
+Enable "syslog" logging of
+\fBsg\fR
+activity\&.
+.RE
+.SH "FILER"
+.PP
+/etc/passwd
+.RS 4
+Information om brugerkonto\&.
+.RE
+.PP
+/etc/shadow
+.RS 4
+Information om sikret brugerkonto\&.
+.RE
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.PP
+/etc/gshadow
+.RS 4
+Information om sikret gruppekonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBid\fR(1),
+\fBlogin\fR(1),
+\fBnewgrp\fR(1),
+\fBsu\fR(1),
+\fBgpasswd\fR(1),
+\fBgroup\fR(5), \fBgshadow\fR(5)\&.

man/da/man5/gshadow.5

@@ -0,0 +1,101 @@
+'\" t
+.\"     Title: gshadow
+.\"    Author: Nicolas Fran\(,cois <nicolas.francois@centraliens.net>
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: File Formats and Conversions
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "GSHADOW" "5" "01/12/2019" "shadow\-utils 4\&.8" "File Formats and Conversions"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+gshadow \- shadowed group file
+.SH "BESKRIVELSE"
+.PP
+/etc/gshadow
+contains the shadowed information for group accounts\&.
+.PP
+This file must not be readable by regular users if password security is to be maintained\&.
+.PP
+Each line of this file contains the following colon\-separated fields:
+.PP
+\fBgruppenavn\fR
+.RS 4
+Det skal v\(aere et gyldigt gruppenavn, som findes p\(oa systemet\&.
+.RE
+.PP
+\fBencrypted password\fR
+.RS 4
+Refer to
+\fBcrypt\fR(3)
+for details on how this string is interpreted\&.
+.sp
+If the password field contains some string that is not a valid result of
+\fBcrypt\fR(3), for instance ! or *, users will not be able to use a unix password to access the group (but group members do not need the password)\&.
+.sp
+The password is used when a user who is not a member of the group wants to gain the permissions of this group (see
+\fBnewgrp\fR(1))\&.
+.sp
+This field may be empty, in which case only the group members can gain the group permissions\&.
+.sp
+A password field which starts with an exclamation mark means that the password is locked\&. The remaining characters on the line represent the password field before the password was locked\&.
+.sp
+This password supersedes any password specified in
+/etc/group\&.
+.RE
+.PP
+\fBadministratorer\fR
+.RS 4
+Det skal v\(aere en kommaadskilt liste af brugernavne\&.
+.sp
+Administratorer kan \(aendre adgangskoden eller medlemmerne af gruppen\&.
+.sp
+Administratorer har ogs\(oa de samme rettigheder som medlemmerne (se nedenfor)\&.
+.RE
+.PP
+\fBmedlemmer\fR
+.RS 4
+Det skal v\(aere en kommaadskilt liste af brugernavne\&.
+.sp
+Medlemmer kan tilg\(oa gruppen uden at blive spurgt efter en adgangskode\&.
+.sp
+You should use the same list of users as in
+/etc/group\&.
+.RE
+.SH "FILER"
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.PP
+/etc/gshadow
+.RS 4
+Information om sikret gruppekonto\&.
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBgpasswd\fR(5),
+\fBgroup\fR(5),
+\fBgrpck\fR(8),
+\fBgrpconv\fR(8),
+\fBnewgrp\fR(1)\&.

man/da/man8/groupdel.8

@@ -0,0 +1,145 @@
+'\" t
+.\"     Title: groupdel
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: Kommandoer for systemh\(oandtering
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "GROUPDEL" "8" "01/12/2019" "shadow\-utils 4\&.8" "Kommandoer for systemh\(oandterin"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+groupdel \- slet en gruppe
+.SH "SYNOPSIS"
+.HP \w'\fBgroupdel\fR\ 'u
+\fBgroupdel\fR [\fItilvalg\fR] \fIGRUPPE\fR
+.SH "BESKRIVELSE"
+.PP
+The
+\fBgroupdel\fR
+command modifies the system account files, deleting all entries that refer to
+\fIGROUP\fR\&. The named group must exist\&.
+.SH "TILVALG"
+.PP
+The options which apply to the
+\fBgroupdel\fR
+command are:
+.PP
+\fB\-h\fR, \fB\-\-help\fR
+.RS 4
+Vis hj\(aelpeteksten og afslut\&.
+.RE
+.PP
+\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
+.RS 4
+Apply changes in the
+\fICHROOT_DIR\fR
+directory and use the configuration files from the
+\fICHROOT_DIR\fR
+directory\&.
+.RE
+.PP
+\fB\-P\fR, \fB\-\-prefix\fR\ \&\fIPREFIX_DIR\fR
+.RS 4
+Apply changes in the
+\fIPREFIX_DIR\fR
+directory and use the configuration files from the
+\fIPREFIX_DIR\fR
+directory\&. This option does not chroot and is intended for preparing a cross\-compilation target\&. Some limitations: NIS and LDAP users/groups are not verified\&. PAM authentication is using the host files\&. No SELINUX support\&.
+.RE
+.SH "CAVEATS"
+.PP
+De kan ikke fjerne den prim\(aere gruppe for en eksisterende bruger\&. Du skal fjerne brugeren f\(/or du fjerner gruppen\&.
+.PP
+Du skal manuelt kontrollere alle filsystemer for at sikre dig, at ingen filer fortsat er ejet af denne gruppe\&.
+.SH "KONFIGURATION"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.PP
+\fBMAX_MEMBERS_PER_GROUP\fR (number)
+.RS 4
+Maximum members per group entry\&. When the maximum is reached, a new group entry (line) is started in
+/etc/group
+(with the same name, same password, and same GID)\&.
+.sp
+The default value is 0, meaning that there are no limits in the number of members in a group\&.
+.sp
+This feature (split group) permits to limit the length of lines in the group file\&. This is useful to make sure that lines for NIS groups are not larger than 1024 characters\&.
+.sp
+If you need to enforce such limit, you can use 25\&.
+.sp
+Note: split groups may not be supported by all tools (even in the Shadow toolsuite)\&. You should not use this variable unless you really need it\&.
+.RE
+.SH "FILER"
+.PP
+/etc/group
+.RS 4
+Information om gruppekonto\&.
+.RE
+.PP
+/etc/gshadow
+.RS 4
+Information om sikret gruppekonto\&.
+.RE
+.SH "EXIT VALUES"
+.PP
+The
+\fBgroupdel\fR
+command exits with the following values:
+.PP
+\fI0\fR
+.RS 4
+success
+.RE
+.PP
+\fI2\fR
+.RS 4
+invalid command syntax
+.RE
+.PP
+\fI6\fR
+.RS 4
+specified group doesn\*(Aqt exist
+.RE
+.PP
+\fI8\fR
+.RS 4
+can\*(Aqt remove user\*(Aqs primary group
+.RE
+.PP
+\fI10\fR
+.RS 4
+can\*(Aqt update group file
+.RE
+.SH "SE OGS\(oA"
+.PP
+\fBchfn\fR(1),
+\fBchsh\fR(1),
+\fBpasswd\fR(1),
+\fBgpasswd\fR(8),
+\fBgroupadd\fR(8),
+\fBgroupmod\fR(8),
+\fBuseradd\fR(8),
+\fBuserdel\fR(8),
+\fBusermod\fR(8)\&.

man/da/man8/logoutd.8

@@ -0,0 +1,57 @@
+'\" t
+.\"     Title: logoutd
+.\"    Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: Kommandoer for systemh\(oandtering
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "LOGOUTD" "8" "01/12/2019" "shadow\-utils 4\&.8" "Kommandoer for systemh\(oandterin"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+logoutd \- p\(oatving restriktioner for logindperiode
+.SH "SYNOPSIS"
+.HP \w'\fBlogoutd\fR\ 'u
+\fBlogoutd\fR
+.SH "BESKRIVELSE"
+.PP
+\fBlogoutd\fR
+enforces the login time and port restrictions specified in
+/etc/porttime\&.
+\fBlogoutd\fR
+should be started from
+/etc/rc\&. The
+/var/run/utmp
+file is scanned periodically and each user name is checked to see if the named user is permitted on the named port at the current time\&. Any login session which is violating the restrictions in
+/etc/porttime
+is terminated\&.
+.SH "FILER"
+.PP
+/etc/porttime
+.RS 4
+File containing port access\&.
+.RE
+.PP
+/var/run/utmp
+.RS 4
+Liste over aktuelle logindsessioner\&.
+.RE

man/da/man8/nologin.8

@@ -0,0 +1,51 @@
+'\" t
+.\"     Title: nologin
+.\"    Author: Nicolas Fran\(,cois <nicolas.francois@centraliens.net>
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 01/12/2019
+.\"    Manual: Kommandoer for systemh\(oandtering
+.\"    Source: shadow-utils 4.8
+.\"  Language: Danish
+.\"
+.TH "NOLOGIN" "8" "01/12/2019" "shadow\-utils 4\&.8" "Kommandoer for systemh\(oandterin"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAVN"
+nologin \- n\(aegt venligt et logind
+.SH "SYNOPSIS"
+.HP \w'\fBnologin\fR\ 'u
+\fBnologin\fR
+.SH "BESKRIVELSE"
+.PP
+The
+\fBnologin\fR
+command displays a message that an account is not available and exits non\-zero\&. It is intended as a replacement shell field for accounts that have been disabled\&.
+.PP
+To disable all logins, investigate
+\fBnologin\fR(5)\&.
+.SH "SE OGS\(oA"
+.PP
+\fBlogin\fR(1),
+\fBnologin\fR(5)\&.
+.SH "HISTORIK"
+.PP
+The
+\fBnologin\fR
+command appeared in BSD 4\&.4\&.