pristine-tar data for shadow_4.19.3.orig.tar.xz

AUTHORS.md

@@ -1,98 +0,0 @@
-Thanks to at least the following people for sending patches, bug
-reports and various comments. This list may be incomplete, I received
-a lot of mail...
-
-# Maintainers
-* Marek Michałkiewicz <marekm72@gmail.com> (1995-2000)
-* Tomasz Kłoczko <kloczek@pld.org.pl> (2000-2007)
-* Nicolas François <nicolas.francois@centraliens.net> (2007-2014)
-* Serge E. Hallyn <serge@hallyn.com> (2014-now)
-* Christian Brauner <christian@brauner.io> (2019-now)
-* Iker Pedrosa <ipedrosa@redhat.com> (2022-now)
-* Alejandro Colomar <alx@kernel.org> (2023-now) (4.14 stable)
-
-To verify signatures on releases, use the following keys under keys/ :
-
-* Serge Hallyn: keys/66D0387DB85D320F8408166DB175CFA98F192AF2.asc
-* Christian Brauner: keys/4880B8C9BD0E5106FC070F4F7B3C391EFEA93624.asc
-* Iker Pedrosa: keys/4E80EF49C7987B6DE2F81F5005079C6C3A653E57.asc
-* Alejandro Colomar: keys/A9348594CE31283A826FBDD8D57633D441E25BB5.asc
-
-# Authors and contributors
-* 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>
-* Andy Zaugg <andy.zaugg@gmail.com>
-* Aniello Del Sorbo <anidel@edu-gw.dia.unisa.it>
-* Anton Gluck <gluc@midway.uchicago.edu>
-* Arkadiusz Miskiewicz <misiek@pld.org.pl>
-* Ben Collins <bcollins@debian.org>
-* 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>
-* Dave Hagewood <admin@arrowweb.com>
-* David A. Holland <dholland@hcs.harvard.edu>
-* David Frey <David.Frey@lugs.ch>
-* Ed Carp <ecarp@netcom.com>
-* Ed Neville <ed@s5h.net>
-* Eric W. Biederman" <ebiederm@xmission.com>
-* Floody <flood@evcom.net>
-* Frank Denis <j@4u.net>
-* George Kraft IV <gk4@us.ibm.com>
-* Greg Mortensen <loki@world.std.com>
-* Guido van Rooij
-* Guy Maor <maor@debian.org>
-* Hrvoje Dogan <hdogan@bjesomar.srce.hr>
-* Jakub Hrozek <jhrozek@redhat.com>
-* Janos Farkas <chexum@bankinf.banki.hu>
-* Jason Franklin <jason.franklin@quoininc.com>
-* Jay Soffian <jay@lw.net>
-* Jesse Thilo <Jesse.Thilo@pobox.com>
-* Joey Hess <joey@kite.ml.org>
-* John Adelsberger <jja@umr.edu>
-* Jonathan Hankins <jhankins@mailserv.homewood.k12.al.us>
-* Jon Lewis <jlewis@lewis.org>
-* Joshua Cowan <jcowan@hermit.reslife.okstate.edu>
-* Judd Bourgeois <shagboy@bluesky.net>
-* Juergen Heinzl <unicorn@noris.net>
-* Juha Virtanen <jiivee@iki.fi>
-* Julian Pidancet <julian.pidancet@gmail.com>
-* Julianne Frances Haugh <julie78787@gmail.com>
-* Leonard N. Zubkoff <lnz@dandelion.com>
-* Luca Berra <bluca@www.polimi.it>
-* Lukáš Kuklínek <lkukline@redhat.com>
-* Lutz Schwalowsky <schwalow@mineralogie.uni-hamburg.de>
-* Marc Ewing <marc@redhat.com>
-* Martin Bene <mb@sime.com>
-* Martin Mares <mj@gts.cz>
-* Michael Meskes <meskes@topsystem.de>
-* Michael Talbot-Wilson <mike@calypso.bns.com.au>
-* Michael Vetter <jubalh@iodoru.org>
-* Mike Frysinger <vapier@gentoo.org>
-* Mike Pakovic <mpakovic@users.southeast.net>
-* Nicolas François <nicolas.francois@centraliens.net>
-* Nikos Mavroyanopoulos <nmav@i-net.paiko.gr>
-* Pavel Machek <pavel@bug.ucw.cz>
-* Peter Vrabec <pvrabec@redhat.com>
-* Phillip Street
-* Rafał Maszkowski <rzm@icm.edu.pl>
-* Rani Chouha <ranibey@smartec.com>
-* Sami Kerola <kerolasa@rocketmail.com>
-* Scott Garman <scott.a.garman@intel.com>
-* Sebastian Rick Rijkers <srrijkers@gmail.com>
-* Seraphim Mellos <mellos@ceid.upatras.gr>
-* Shane Watts <shane@nexus.mlckew.edu.au>
-* Steve M. Robbins <steve@nyongwa.montreal.qc.ca>
-* Thorsten Kukuk <kukuk@suse.de>
-* Tim Hockin <thockin@eagle.ais.net>
-* Timo Karjalainen <timok@iki.fi>
-* Ulisses Alonso Camaro <ulisses@pusa.eleinf.uv.es>
-* Werner Fink <werner@suse.de>

COPYING

@@ -1,41 +0,0 @@
-SPDX-License-Identifier: BSD-3-Clause
-
-All files under this project either
-
-1. fall under the BSD 3 clause license (by default).
-
-2. carry an SPDX header declaring what license applies.
-
-or
-
-3. list a full custom license
-
-This software is originally
-
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
-
- * 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.

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-
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-	chmod -R u+w $(distdir)/tests
-	chmod u+w $(distdir)
-	mv $(distdir)/tests/unit $(distdir)/realunittest
-	mv $(distdir)/tests/tests $(distdir)/realtests
-	rm -rf $(distdir)/tests
-	mv $(distdir)/realtests $(distdir)/tests
-	rm -rf $(distdir)/tests/unit $(distdir)/tests/Makefile*
-	mv $(distdir)/realunittest $(distdir)/tests/unit
-
-# 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:

README

@@ -1,47 +0,0 @@
-# shadow-utils
-
-## Introduction
-The shadow-utils package includes the necessary programs for
-converting UNIX password files to the shadow password format, plus
-programs for managing user and group accounts. The pwconv command
-converts passwords to the shadow password format. The pwunconv command
-unconverts shadow passwords and generates a passwd file (a standard
-UNIX password file). The pwck command checks the integrity of password
-and shadow files. The lastlog command prints out the last login times
-for all users. The useradd, userdel, and usermod commands are used for
-managing user accounts. The groupadd, groupdel, and groupmod commands
-are used for managing group accounts.
-
-## Sites
-* [Homepage](https://github.com/shadow-maint/shadow)
-* [Issue tracker](https://github.com/shadow-maint/shadow/issues)
-* [Releases](https://github.com/shadow-maint/shadow/releases)
-
-## Code
-
-The main development branch is at [https://github.com/shadow-maint/shadow.git](https://github.com/shadow-maint/shadow)
-
-See [STABLE.md](https://github.com/shadow-maint/shadow/blob/master/STABLE.md) for a list of supported stable branches.
-
-## Contacts
-There are several ways to contact us:
-* [the general discussion mailing list](
-  https://alioth-lists.debian.net/mailman/listinfo/pkg-shadow-devel)
-* the #shadow IRC channel on libera.chat:
-  * irc://irc.libera.chat/shadow
-
-### Mailing archives
-* [the general discussion mailing list archive](
-  https://alioth-lists.debian.net/pipermail/pkg-shadow-devel/)
-* [the commit mailing list archive](
-  https://alioth-lists-archive.debian.net/pipermail/pkg-shadow-commits/),
-  only used for historical purposes
-
-## Contributions
-
-Contributions are welcome. Follow the
-[guidelines](doc/contributions/introduction.md) before posting any patches.
-
-## Authors and maintainers
-Authors and maintainers are listed in [AUTHORS.md](
-https://github.com/shadow-maint/shadow/blob/master/AUTHORS.md).

acinclude.m4

@@ -1,54 +0,0 @@
-# Checks the location of the XML Catalog
-# Usage:
-#   JH_PATH_XML_CATALOG([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# Defines XMLCATALOG and XML_CATALOG_FILE substitutions
-AC_DEFUN([JH_PATH_XML_CATALOG],
-[
-  # check for the presence of the XML catalog
-  AC_ARG_WITH([xml-catalog],
-              AS_HELP_STRING([--with-xml-catalog=CATALOG],
-                             [path to xml catalog to use]),,
-              [with_xml_catalog=/etc/xml/catalog])
-  jh_found_xmlcatalog=true
-  XML_CATALOG_FILE="$with_xml_catalog"
-  AC_SUBST([XML_CATALOG_FILE])
-  AC_MSG_CHECKING([for XML catalog ($XML_CATALOG_FILE)])
-  if test -f "$XML_CATALOG_FILE"; then
-    AC_MSG_RESULT([found])
-  else
-    jh_found_xmlcatalog=false
-    AC_MSG_RESULT([not found])
-  fi
-
-  # check for the xmlcatalog program
-  AC_PATH_PROG(XMLCATALOG, xmlcatalog, no)
-  if test "x$XMLCATALOG" = xno; then
-    jh_found_xmlcatalog=false
-  fi
-
-  if $jh_found_xmlcatalog; then
-    ifelse([$1],,[:],[$1])
-  else
-    ifelse([$2],,[AC_MSG_ERROR([could not find XML catalog])],[$2])
-  fi
-])
-
-# Checks if a particular URI appears in the XML catalog
-# Usage:
-#   JH_CHECK_XML_CATALOG(URI, [FRIENDLY-NAME], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-AC_DEFUN([JH_CHECK_XML_CATALOG],
-[
-  AC_REQUIRE([JH_PATH_XML_CATALOG],[JH_PATH_XML_CATALOG(,[:])])dnl
-  AC_MSG_CHECKING([for ifelse([$2],,[$1],[$2]) in XML catalog])
-  if $jh_found_xmlcatalog && \
-     AC_RUN_LOG([$XMLCATALOG --noout "$XML_CATALOG_FILE" "$1" >&2]); then
-    AC_MSG_RESULT([found])
-    ifelse([$3],,,[$3
-])dnl
-  else
-    AC_MSG_RESULT([not found])
-    ifelse([$4],,
-       [AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])],
-       [$4])
-  fi
-])

build-aux/compile

@@ -1,348 +0,0 @@
-#! /bin/sh
-# Wrapper for compilers which do not understand '-c -o'.
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1999-2021 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* | MSYS*)
-	    file_conv=cygwin
-	    ;;
-	  *)
-	    file_conv=wine
-	    ;;
-	esac
-      fi
-      case $file_conv/,$2, in
-	*,$file_conv,*)
-	  ;;
-	mingw/*)
-	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
-	  ;;
-	cygwin/* | msys/*)
-	  file=`cygpath -m "$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:

build-aux/config.rpath

@@ -1,690 +0,0 @@
-#! /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 1996-2014 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 _LT_COMPILER_PIC.
-
-wl=
-if test "$GCC" = yes; then
-  wl='-Wl,'
-else
-  case "$host_os" in
-    aix*)
-      wl='-Wl,'
-      ;;
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
-      ;;
-    hpux9* | hpux10* | hpux11*)
-      wl='-Wl,'
-      ;;
-    irix5* | irix6* | nonstopux*)
-      wl='-Wl,'
-      ;;
-    linux* | k*bsd*-gnu | kopensolaris*-gnu)
-      case $cc_basename in
-        ecc*)
-          wl='-Wl,'
-          ;;
-        icc* | ifort*)
-          wl='-Wl,'
-          ;;
-        lf95*)
-          wl='-Wl,'
-          ;;
-        nagfor*)
-          wl='-Wl,-Wl,,'
-          ;;
-        pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
-          wl='-Wl,'
-          ;;
-        ccc*)
-          wl='-Wl,'
-          ;;
-        xl* | bgxl* | bgf* | mpixl*)
-          wl='-Wl,'
-          ;;
-        como)
-          wl='-lopt='
-          ;;
-        *)
-          case `$CC -V 2>&1 | sed 5q` in
-            *Sun\ F* | *Sun*Fortran*)
-              wl=
-              ;;
-            *Sun\ C*)
-              wl='-Wl,'
-              ;;
-          esac
-          ;;
-      esac
-      ;;
-    newsos6)
-      ;;
-    *nto* | *qnx*)
-      ;;
-    osf3* | osf4* | osf5*)
-      wl='-Wl,'
-      ;;
-    rdos*)
-      ;;
-    solaris*)
-      case $cc_basename in
-        f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
-          wl='-Qoption ld '
-          ;;
-        *)
-          wl='-Wl,'
-          ;;
-      esac
-      ;;
-    sunos4*)
-      wl='-Qoption ld '
-      ;;
-    sysv4 | sysv4.2uw2* | sysv4.3*)
-      wl='-Wl,'
-      ;;
-    sysv4*MP*)
-      ;;
-    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
-      wl='-Wl,'
-      ;;
-    unicos*)
-      wl='-Wl,'
-      ;;
-    uts4*)
-      ;;
-  esac
-fi
-
-# Code taken from libtool.m4's _LT_LINKER_SHLIBS.
-
-hardcode_libdir_flag_spec=
-hardcode_libdir_separator=
-hardcode_direct=no
-hardcode_minus_L=no
-
-case "$host_os" in
-  cygwin* | mingw* | pw32* | cegcc*)
-    # 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 "$host_os" in
-    aix[3-9]*)
-      # On AIX/PPC, the GNU linker is very broken
-      if test "$host_cpu" != ia64; then
-        ld_shlibs=no
-      fi
-      ;;
-    amigaos*)
-      case "$host_cpu" in
-        powerpc)
-          ;;
-        m68k)
-          hardcode_libdir_flag_spec='-L$libdir'
-          hardcode_minus_L=yes
-          ;;
-      esac
-      ;;
-    beos*)
-      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
-        :
-      else
-        ld_shlibs=no
-      fi
-      ;;
-    cygwin* | mingw* | pw32* | cegcc*)
-      # hardcode_libdir_flag_spec is actually meaningless, as there is
-      # no search path for DLLs.
-      hardcode_libdir_flag_spec='-L$libdir'
-      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
-        :
-      else
-        ld_shlibs=no
-      fi
-      ;;
-    haiku*)
-      ;;
-    interix[3-9]*)
-      hardcode_direct=no
-      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
-      ;;
-    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
-      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
-      ;;
-    aix[4-9]*)
-      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].*|aix[5-9]*)
-          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
-            :
-          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*)
-      case "$host_cpu" in
-        powerpc)
-          ;;
-        m68k)
-          hardcode_libdir_flag_spec='-L$libdir'
-          hardcode_minus_L=yes
-          ;;
-      esac
-      ;;
-    bsdi[45]*)
-      ;;
-    cygwin* | mingw* | pw32* | cegcc*)
-      # 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 { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
-        :
-      else
-        ld_shlibs=no
-      fi
-      ;;
-    dgux*)
-      hardcode_libdir_flag_spec='-L$libdir'
-      ;;
-    freebsd2.2*)
-      hardcode_libdir_flag_spec='-R$libdir'
-      hardcode_direct=yes
-      ;;
-    freebsd2*)
-      hardcode_direct=yes
-      hardcode_minus_L=yes
-      ;;
-    freebsd* | 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=:
-      ;;
-    *nto* | *qnx*)
-      ;;
-    openbsd*)
-      if test -f /usr/libexec/ld.so; then
-        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,$libdir'
-              ;;
-          esac
-        fi
-      else
-        ld_shlibs=no
-      fi
-      ;;
-    os2*)
-      hardcode_libdir_flag_spec='-L$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 $host_vendor in
-        sni)
-          hardcode_direct=yes # is this really true???
-          ;;
-        siemens)
-          hardcode_direct=no
-          ;;
-        motorola)
-          hardcode_direct=no #Motorola manual says yes, but my tests say they lie
-          ;;
-      esac
-      ;;
-    sysv4.3*)
-      ;;
-    sysv4*MP*)
-      if test -d /usr/nec; then
-        ld_shlibs=yes
-      fi
-      ;;
-    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
-      ;;
-    sysv5* | sco3.2v5* | sco5v6*)
-      hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
-      hardcode_libdir_separator=':'
-      ;;
-    uts4*)
-      hardcode_libdir_flag_spec='-L$libdir'
-      ;;
-    *)
-      ld_shlibs=no
-      ;;
-  esac
-fi
-
-# Check dynamic linker characteristics
-# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
-# Unlike libtool.m4, here we don't care about _all_ names of the library, but
-# only about the one the linker finds when passed -lNAME. This is the last
-# element of library_names_spec in libtool.m4, or possibly two of them if the
-# linker has special search rules.
-library_names_spec=      # the last element of library_names_spec in libtool.m4
-libname_spec='lib$name'
-case "$host_os" in
-  aix3*)
-    library_names_spec='$libname.a'
-    ;;
-  aix[4-9]*)
-    library_names_spec='$libname$shrext'
-    ;;
-  amigaos*)
-    case "$host_cpu" in
-      powerpc*)
-        library_names_spec='$libname$shrext' ;;
-      m68k)
-        library_names_spec='$libname.a' ;;
-    esac
-    ;;
-  beos*)
-    library_names_spec='$libname$shrext'
-    ;;
-  bsdi[45]*)
-    library_names_spec='$libname$shrext'
-    ;;
-  cygwin* | mingw* | pw32* | cegcc*)
-    shrext=.dll
-    library_names_spec='$libname.dll.a $libname.lib'
-    ;;
-  darwin* | rhapsody*)
-    shrext=.dylib
-    library_names_spec='$libname$shrext'
-    ;;
-  dgux*)
-    library_names_spec='$libname$shrext'
-    ;;
-  freebsd* | dragonfly*)
-    case "$host_os" in
-      freebsd[123]*)
-        library_names_spec='$libname$shrext$versuffix' ;;
-      *)
-        library_names_spec='$libname$shrext' ;;
-    esac
-    ;;
-  gnu*)
-    library_names_spec='$libname$shrext'
-    ;;
-  haiku*)
-    library_names_spec='$libname$shrext'
-    ;;
-  hpux9* | hpux10* | hpux11*)
-    case $host_cpu in
-      ia64*)
-        shrext=.so
-        ;;
-      hppa*64*)
-        shrext=.sl
-        ;;
-      *)
-        shrext=.sl
-        ;;
-    esac
-    library_names_spec='$libname$shrext'
-    ;;
-  interix[3-9]*)
-    library_names_spec='$libname$shrext'
-    ;;
-  irix5* | irix6* | nonstopux*)
-    library_names_spec='$libname$shrext'
-    case "$host_os" in
-      irix5* | nonstopux*)
-        libsuff= shlibsuff=
-        ;;
-      *)
-        case $LD in
-          *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
-          *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
-          *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
-          *) libsuff= shlibsuff= ;;
-        esac
-        ;;
-    esac
-    ;;
-  linux*oldld* | linux*aout* | linux*coff*)
-    ;;
-  linux* | k*bsd*-gnu | kopensolaris*-gnu)
-    library_names_spec='$libname$shrext'
-    ;;
-  knetbsd*-gnu)
-    library_names_spec='$libname$shrext'
-    ;;
-  netbsd*)
-    library_names_spec='$libname$shrext'
-    ;;
-  newsos6)
-    library_names_spec='$libname$shrext'
-    ;;
-  *nto* | *qnx*)
-    library_names_spec='$libname$shrext'
-    ;;
-  openbsd*)
-    library_names_spec='$libname$shrext$versuffix'
-    ;;
-  os2*)
-    libname_spec='$name'
-    shrext=.dll
-    library_names_spec='$libname.a'
-    ;;
-  osf3* | osf4* | osf5*)
-    library_names_spec='$libname$shrext'
-    ;;
-  rdos*)
-    ;;
-  solaris*)
-    library_names_spec='$libname$shrext'
-    ;;
-  sunos4*)
-    library_names_spec='$libname$shrext$versuffix'
-    ;;
-  sysv4 | sysv4.3*)
-    library_names_spec='$libname$shrext'
-    ;;
-  sysv4*MP*)
-    library_names_spec='$libname$shrext'
-    ;;
-  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-    library_names_spec='$libname$shrext'
-    ;;
-  tpf*)
-    library_names_spec='$libname$shrext'
-    ;;
-  uts4*)
-    library_names_spec='$libname$shrext'
-    ;;
-esac
-
-sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
-escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
-shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
-escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
-escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
-escaped_hardcode_libdir_flag_spec=`echo "X$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="$shlibext"
-
-# Format of library name prefix.
-libname_spec="$escaped_libname_spec"
-
-# Library names that the linker finds when passed -lNAME.
-library_names_spec="$escaped_library_names_spec"
-
-# Flag to hardcode \$libdir into a binary during linking.
-# This must work even if \$libdir does not exist.
-hardcode_libdir_flag_spec="$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

build-aux/depcomp

@@ -1,791 +0,0 @@
-#! /bin/sh
-# depcomp - compile a program generating dependencies as side-effects
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1999-2021 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:

build-aux/install-sh

@@ -1,541 +0,0 @@
-#!/bin/sh
-# install - install a program, script, or datafile
-
-scriptversion=2020-11-14.01; # 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=${STRIPPROG-strip}
-
-posix_mkdir=
-
-# Desired mode of installed file.
-mode=0755
-
-# Create dirs (including intermediate dirs) using mode 755.
-# This is like GNU 'install' as of coreutils 8.32 (2020).
-mkdir_umask=22
-
-backupsuffix=
-chgrpcmd=
-chmodcmd=$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 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.
-  -p            pass -p to $cpprog.
-  -s            $stripprog installed files.
-  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
-  -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
-
-By default, rm is invoked with -f; when overridden with RMPROG,
-it's up to you to specify -f if you want it.
-
-If -S is not specified, no backups are attempted.
-
-Email bug reports to bug-automake@gnu.org.
-Automake home page: https://www.gnu.org/software/automake/
-"
-
-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 $2"
-        shift;;
-
-    -p) cpprog="$cpprog -p";;
-
-    -s) stripcmd=$stripprog;;
-
-    -S) backupsuffix="$2"
-        shift;;
-
-    -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 "$dstdir"
-    dstdir_status=$?
-    # Don't chown directories that already exist.
-    if test $dstdir_status = 0; then
-      chowncmd=""
-    fi
-  else
-
-    # Waiting for this to be detected by the "$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
-      '')
-        # 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
-	# The $RANDOM variable is not portable (e.g., dash).  Use it
-	# here however when possible just to lower collision chance.
-	tmpdir=${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'.
-	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
-
-    if
-      $posix_mkdir && (
-        umask $mkdir_umask &&
-        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
-      )
-    then :
-    else
-
-      # 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 $cp_umask &&
-     { test -z "$stripcmd" || {
-	 # Create $dsttmp read-write so that cp doesn't create it read-only,
-	 # which would cause strip to fail.
-	 if test -z "$doit"; then
-	   : >"$dsttmp" # No need to fork-exec 'touch'.
-	 else
-	   $doit touch "$dsttmp"
-	 fi
-       }
-     } &&
-     $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
-      # If $backupsuffix is set, and the file being installed
-      # already exists, attempt a backup.  Don't worry if it fails,
-      # e.g., if mv doesn't support -f.
-      if test -n "$backupsuffix" && test -f "$dst"; then
-        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
-      fi
-
-      # 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 $rmcmd "$dst" 2>/dev/null ||
-          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
-            { $doit $rmcmd "$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:

build-aux/missing

@@ -1,215 +0,0 @@
-#! /bin/sh
-# Common wrapper for a few potentially missing GNU programs.
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
-# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
-
-# 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.
-
-if test $# -eq 0; then
-  echo 1>&2 "Try '$0 --help' for more information"
-  exit 1
-fi
-
-case $1 in
-
-  --is-lightweight)
-    # Used by our autoconf macros to check whether the available missing
-    # script is modern enough.
-    exit 0
-    ;;
-
-  --run)
-    # Back-compat with the calling convention used by older automake.
-    shift
-    ;;
-
-  -h|--h|--he|--hel|--help)
-    echo "\
-$0 [OPTION]... PROGRAM [ARGUMENT]...
-
-Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
-to PROGRAM being missing or too old.
-
-Options:
-  -h, --help      display this help and exit
-  -v, --version   output version information and exit
-
-Supported PROGRAM values:
-  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
-  bison     yacc      flex         lex       help2man
-
-Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
-'g' are ignored when checking the name.
-
-Send bug reports to <bug-automake@gnu.org>."
-    exit $?
-    ;;
-
-  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing $scriptversion (GNU Automake)"
-    exit $?
-    ;;
-
-  -*)
-    echo 1>&2 "$0: unknown '$1' option"
-    echo 1>&2 "Try '$0 --help' for more information"
-    exit 1
-    ;;
-
-esac
-
-# Run the given program, remember its exit status.
-"$@"; st=$?
-
-# If it succeeded, we are done.
-test $st -eq 0 && exit 0
-
-# Also exit now if we it failed (or wasn't found), and '--version' was
-# passed; such an option is passed most likely to detect whether the
-# program is present and works.
-case $2 in --version|--help) exit $st;; esac
-
-# Exit code 63 means version mismatch.  This often happens when the user
-# tries to use an ancient version of a tool on a file that requires a
-# minimum version.
-if test $st -eq 63; then
-  msg="probably too old"
-elif test $st -eq 127; then
-  # Program was missing.
-  msg="missing on your system"
-else
-  # Program was found and executed, but failed.  Give up.
-  exit $st
-fi
-
-perl_URL=https://www.perl.org/
-flex_URL=https://github.com/westes/flex
-gnu_software_URL=https://www.gnu.org/software
-
-program_details ()
-{
-  case $1 in
-    aclocal|automake)
-      echo "The '$1' program is part of the GNU Automake package:"
-      echo "<$gnu_software_URL/automake>"
-      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/autoconf>"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-    autoconf|autom4te|autoheader)
-      echo "The '$1' program is part of the GNU Autoconf package:"
-      echo "<$gnu_software_URL/autoconf/>"
-      echo "It also requires GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-  esac
-}
-
-give_advice ()
-{
-  # Normalize program name to check for.
-  normalized_program=`echo "$1" | sed '
-    s/^gnu-//; t
-    s/^gnu//; t
-    s/^g//; t'`
-
-  printf '%s\n' "'$1' is $msg."
-
-  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
-  case $normalized_program in
-    autoconf*)
-      echo "You should only need it if you modified 'configure.ac',"
-      echo "or m4 files included by it."
-      program_details 'autoconf'
-      ;;
-    autoheader*)
-      echo "You should only need it if you modified 'acconfig.h' or"
-      echo "$configure_deps."
-      program_details 'autoheader'
-      ;;
-    automake*)
-      echo "You should only need it if you modified 'Makefile.am' or"
-      echo "$configure_deps."
-      program_details 'automake'
-      ;;
-    aclocal*)
-      echo "You should only need it if you modified 'acinclude.m4' or"
-      echo "$configure_deps."
-      program_details 'aclocal'
-      ;;
-   autom4te*)
-      echo "You might have modified some maintainer files that require"
-      echo "the 'autom4te' program to be rebuilt."
-      program_details 'autom4te'
-      ;;
-    bison*|yacc*)
-      echo "You should only need it if you modified a '.y' file."
-      echo "You may want to install the GNU Bison package:"
-      echo "<$gnu_software_URL/bison/>"
-      ;;
-    lex*|flex*)
-      echo "You should only need it if you modified a '.l' file."
-      echo "You may want to install the Fast Lexical Analyzer package:"
-      echo "<$flex_URL>"
-      ;;
-    help2man*)
-      echo "You should only need it if you modified a dependency" \
-           "of a man page."
-      echo "You may want to install the GNU Help2man package:"
-      echo "<$gnu_software_URL/help2man/>"
-    ;;
-    makeinfo*)
-      echo "You should only need it if you modified a '.texi' file, or"
-      echo "any other file indirectly affecting the aspect of the manual."
-      echo "You might want to install the Texinfo package:"
-      echo "<$gnu_software_URL/texinfo/>"
-      echo "The spurious makeinfo call might also be the consequence of"
-      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
-      echo "want to install GNU make:"
-      echo "<$gnu_software_URL/make/>"
-      ;;
-    *)
-      echo "You might have modified some files without having the proper"
-      echo "tools for further handling them.  Check the 'README' file, it"
-      echo "often tells you about the needed prerequisites for installing"
-      echo "this package.  You may also peek at any GNU archive site, in"
-      echo "case some other package contains this missing '$1' program."
-      ;;
-  esac
-}
-
-give_advice "$1" | sed -e '1s/^/WARNING: /' \
-                       -e '2,$s/^/         /' >&2
-
-# Propagate the correct exit status (expected to be 127 for a program
-# not found, 63 for a program that failed due to version mismatch).
-exit $st
-
-# 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:

build-aux/test-driver

@@ -1,153 +0,0 @@
-#! /bin/sh
-# test-driver - basic testsuite driver script.
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 2011-2021 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.
-
-# This file is maintained in Automake, please report
-# bugs to <bug-automake@gnu.org> or send patches to
-# <automake-patches@gnu.org>.
-
-# Make unconditional expansion of undefined variables an error.  This
-# helps a lot in preventing typo-related bugs.
-set -u
-
-usage_error ()
-{
-  echo "$0: $*" >&2
-  print_usage >&2
-  exit 2
-}
-
-print_usage ()
-{
-  cat <<END
-Usage:
-  test-driver --test-name NAME --log-file PATH --trs-file PATH
-              [--expect-failure {yes|no}] [--color-tests {yes|no}]
-              [--enable-hard-errors {yes|no}] [--]
-              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
-
-The '--test-name', '--log-file' and '--trs-file' options are mandatory.
-See the GNU Automake documentation for information.
-END
-}
-
-test_name= # Used for reporting.
-log_file=  # Where to save the output of the test script.
-trs_file=  # Where to save the metadata of the test run.
-expect_failure=no
-color_tests=no
-enable_hard_errors=yes
-while test $# -gt 0; do
-  case $1 in
-  --help) print_usage; exit $?;;
-  --version) echo "test-driver $scriptversion"; exit $?;;
-  --test-name) test_name=$2; shift;;
-  --log-file) log_file=$2; shift;;
-  --trs-file) trs_file=$2; shift;;
-  --color-tests) color_tests=$2; shift;;
-  --expect-failure) expect_failure=$2; shift;;
-  --enable-hard-errors) enable_hard_errors=$2; shift;;
-  --) shift; break;;
-  -*) usage_error "invalid option: '$1'";;
-   *) break;;
-  esac
-  shift
-done
-
-missing_opts=
-test x"$test_name" = x && missing_opts="$missing_opts --test-name"
-test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
-test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
-if test x"$missing_opts" != x; then
-  usage_error "the following mandatory options are missing:$missing_opts"
-fi
-
-if test $# -eq 0; then
-  usage_error "missing argument"
-fi
-
-if test $color_tests = yes; then
-  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
-  red='' # Red.
-  grn='' # Green.
-  lgn='' # Light green.
-  blu='' # Blue.
-  mgn='' # Magenta.
-  std=''     # No color.
-else
-  red= grn= lgn= blu= mgn= std=
-fi
-
-do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
-trap "st=129; $do_exit" 1
-trap "st=130; $do_exit" 2
-trap "st=141; $do_exit" 13
-trap "st=143; $do_exit" 15
-
-# Test script is run here. We create the file first, then append to it,
-# to ameliorate tests themselves also writing to the log file. Our tests
-# don't, but others can (automake bug#35762).
-: >"$log_file"
-"$@" >>"$log_file" 2>&1
-estatus=$?
-
-if test $enable_hard_errors = no && test $estatus -eq 99; then
-  tweaked_estatus=1
-else
-  tweaked_estatus=$estatus
-fi
-
-case $tweaked_estatus:$expect_failure in
-  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
-  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
-  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
-  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
-  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
-  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
-esac
-
-# Report the test outcome and exit status in the logs, so that one can
-# know whether the test passed or failed simply by looking at the '.log'
-# file, without the need of also peaking into the corresponding '.trs'
-# file (automake bug#11814).
-echo "$res $test_name (exit status: $estatus)" >>"$log_file"
-
-# Report outcome to console.
-echo "${col}${res}${std}: $test_name"
-
-# Register the test result, and other relevant metadata.
-echo ":test-result: $res" > $trs_file
-echo ":global-test-result: $res" >> $trs_file
-echo ":recheck: $recheck" >> $trs_file
-echo ":copy-in-global-log: $gcopy" >> $trs_file
-
-# 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

@@ -1,455 +0,0 @@
-/* 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 support lastlog. */
-#undef ENABLE_LASTLOG
-
-/* Define to manage session support with logind. */
-#undef ENABLE_LOGIND
-
-/* 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
-
-/* 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 `arc4random_buf' function. */
-#undef HAVE_ARC4RANDOM_BUF
-
-/* 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 `cygwin_conv_path', and to 0 if
-   you don't. */
-#undef HAVE_DECL_CYGWIN_CONV_PATH
-
-/* 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 if you have the GNU dld library. */
-#undef HAVE_DLD
-
-/* Define to 1 if you have the `dlerror' function. */
-#undef HAVE_DLERROR
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Define if you have the _dyld_func_lookup function. */
-#undef HAVE_DYLD
-
-/* Define to 1 if you have the `explicit_bzero' function. */
-#undef HAVE_EXPLICIT_BZERO
-
-/* Defined to 1 if you have the declaration of 'fgetpwent_r' */
-#undef HAVE_FGETPWENT_R
-
-/* Define to 1 if you have the `getentropy' function. */
-#undef HAVE_GETENTROPY
-
-/* Define to 1 if you have the `getrandom' function. */
-#undef HAVE_GETRANDOM
-
-/* 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 if you have the iconv() function and it works. */
-#undef HAVE_ICONV
-
-/* 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 `lckpwdf' function. */
-#undef HAVE_LCKPWDF
-
-/* Define if you have the libdl library or equivalent. */
-#undef HAVE_LIBDL
-
-/* Define if libdlloader will be built on this platform */
-#undef HAVE_LIBDLLOADER
-
-/* 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 `lutimes' function. */
-#undef HAVE_LUTIMES
-
-/* Define to 1 if you have the `memset_explicit' function. */
-#undef HAVE_MEMSET_EXPLICIT
-
-/* Define to 1 if you have the <minix/config.h> header file. */
-#undef HAVE_MINIX_CONFIG_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 <readpassphrase.h> header file. */
-#undef HAVE_READPASSPHRASE_H
-
-/* Define to 1 if you have the `rpmatch' function. */
-#undef HAVE_RPMATCH
-
-/* 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 `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 if you have the shl_load function. */
-#undef HAVE_SHL_LOAD
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdio.h> header file. */
-#undef HAVE_STDIO_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the `stpecpy' function. */
-#undef HAVE_STPECPY
-
-/* Define to 1 if you have the `stpeprintf' function. */
-#undef HAVE_STPEPRINTF
-
-/* 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 `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 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/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <tcb.h> header file. */
-#undef HAVE_TCB_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* 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 support vendor settings. */
-#undef HAVE_VENDORDIR
-
-/* Define to 1 if you have the <wchar.h> header file. */
-#undef HAVE_WCHAR_H
-
-/* 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 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 all of the C90 standard headers exist (not just the ones
-   required in a freestanding environment). This macro is provided for
-   backward compatibility; new code need not use it. */
-#undef STDC_HEADERS
-
-/* Define to support /etc/suauth su access control. */
-#undef SU_ACCESS
-
-/* 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
-
-/* Enable extensions on AIX 3, Interix.  */
-#ifndef _ALL_SOURCE
-# undef _ALL_SOURCE
-#endif
-/* Enable general extensions on macOS.  */
-#ifndef _DARWIN_C_SOURCE
-# undef _DARWIN_C_SOURCE
-#endif
-/* Enable general extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# undef __EXTENSIONS__
-#endif
-/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# undef _GNU_SOURCE
-#endif
-/* Enable X/Open compliant socket functions that do not require linking
-   with -lxnet on HP-UX 11.11.  */
-#ifndef _HPUX_ALT_XOPEN_SOCKET_API
-# undef _HPUX_ALT_XOPEN_SOCKET_API
-#endif
-/* Identify the host operating system as Minix.
-   This macro does not affect the system headers' behavior.
-   A future release of Autoconf may stop defining this macro.  */
-#ifndef _MINIX
-# undef _MINIX
-#endif
-/* Enable general extensions on NetBSD.
-   Enable NetBSD compatibility extensions on Minix.  */
-#ifndef _NETBSD_SOURCE
-# undef _NETBSD_SOURCE
-#endif
-/* Enable OpenBSD compatibility extensions on NetBSD.
-   Oddly enough, this does nothing on OpenBSD.  */
-#ifndef _OPENBSD_SOURCE
-# undef _OPENBSD_SOURCE
-#endif
-/* Define to 1 if needed for POSIX-compatible behavior.  */
-#ifndef _POSIX_SOURCE
-# undef _POSIX_SOURCE
-#endif
-/* Define to 2 if needed for POSIX-compatible behavior.  */
-#ifndef _POSIX_1_SOURCE
-# undef _POSIX_1_SOURCE
-#endif
-/* Enable POSIX-compatible threading on Solaris.  */
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# undef _POSIX_PTHREAD_SEMANTICS
-#endif
-/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
-#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
-# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
-#endif
-/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
-#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
-# undef __STDC_WANT_IEC_60559_BFP_EXT__
-#endif
-/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
-#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
-# undef __STDC_WANT_IEC_60559_DFP_EXT__
-#endif
-/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
-#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
-# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
-#endif
-/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
-#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
-# undef __STDC_WANT_IEC_60559_TYPES_EXT__
-#endif
-/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
-#ifndef __STDC_WANT_LIB_EXT2__
-# undef __STDC_WANT_LIB_EXT2__
-#endif
-/* Enable extensions specified by ISO/IEC 24747:2009.  */
-#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
-# undef __STDC_WANT_MATH_SPEC_FUNCS__
-#endif
-/* Enable extensions on HP NonStop.  */
-#ifndef _TANDEM_SOURCE
-# undef _TANDEM_SOURCE
-#endif
-/* Enable X/Open extensions.  Define to 500 only if necessary
-   to make mbstate_t available.  */
-#ifndef _XOPEN_SOURCE
-# undef _XOPEN_SOURCE
-#endif
-
-
-/* Define to allow the yescrypt password encryption algorithm */
-#undef USE_YESCRYPT
-
-/* Directory for distribution provided configuration files */
-#undef VENDORDIR
-
-/* 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 without libbsd support */
-#undef WITH_LIBBSD
-
-/* Build shadow with SELinux support */
-#undef WITH_SELINUX
-
-/* Build with su */
-#undef WITH_SU
-
-/* Build shadow with tcb support (incomplete) */
-#undef WITH_TCB
-
-/* 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

configure.ac

@@ -1,723 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ([2.69])
-m4_define([libsubid_abi_major], [5])
-m4_define([libsubid_abi_minor], [0])
-m4_define([libsubid_abi_micro], [0])
-m4_define([libsubid_abi], [libsubid_abi_major.libsubid_abi_minor.libsubid_abi_micro])
-
-AC_INIT([shadow], [4.19.2], [pkg-shadow-devel@lists.alioth.debian.org], [],
-	[https://github.com/shadow-maint/shadow])
-AC_CONFIG_MACRO_DIRS([m4])
-AC_CONFIG_AUX_DIR([build-aux])
-AC_CONFIG_HEADERS([config.h])
-
-AM_INIT_AUTOMAKE([1.11 foreign dist-xz subdir-objects tar-pax])
-AM_SILENT_RULES([yes])
-
-AC_SUBST([AM_DISTCHECK_CONFIGURE_FLAGS], ["$ac_configure_args"])
-
-AC_SUBST([LIBSUBID_ABI_MAJOR], [libsubid_abi_major])
-AC_SUBST([LIBSUBID_ABI_MINOR], [libsubid_abi_minor])
-AC_SUBST([LIBSUBID_ABI_MICRO], [libsubid_abi_micro])
-AC_SUBST([LIBSUBID_ABI], [libsubid_abi])
-
-dnl Some hacks...
-test "x$prefix" = "xNONE" && prefix="/usr"
-test "X$prefix" = "X/usr" && exec_prefix=""
-
-AC_USE_SYSTEM_EXTENSIONS
-
-AC_ENABLE_STATIC
-AC_ENABLE_SHARED
-
-AM_MAINTAINER_MODE
-
-dnl Checks for programs.
-AC_PROG_CC
-AC_PROG_LN_S
-LT_INIT
-LT_LIB_DLLOAD
-
-dnl Checks for libraries.
-
-dnl shadow now uses the libc's shadow implementation
-AC_CHECK_HEADER([shadow.h],[],[AC_MSG_ERROR([You need a libc with shadow.h])])
-
-AC_CHECK_FUNCS([arc4random_buf \
-	getentropy getrandom \
-	lckpwdf lutimes \
-	updwtmpx innetgr \
-	getspnam_r \
-	rpmatch \
-	memset_explicit explicit_bzero stpecpy stpeprintf])
-AC_SYS_LARGEFILE
-
-dnl Checks for typedefs, structures, and compiler characteristics.
-
-AC_CHECK_MEMBERS([struct utmpx.ut_name,
-                  struct utmpx.ut_host,
-                  struct utmpx.ut_syslen,
-                  struct utmpx.ut_addr,
-                  struct utmpx.ut_addr_v6,
-                  struct utmpx.ut_time,
-                  struct utmpx.ut_xtime],[],[],[[#include <utmpx.h>]])
-
-dnl Checks for library functions.
-AC_FUNC_UTIME_NULL
-AC_REPLACE_FUNCS([putgrent putpwent putspent])
-AC_REPLACE_FUNCS([sgetgrent sgetpwent sgetspent])
-
-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'])]
-)
-
-AC_CACHE_CHECK([location of shared mail directory], [shadow_cv_maildir],
-[for shadow_cv_maildir in /var/mail /var/spool/mail /usr/spool/mail /usr/mail none; do
-	if test -d $shadow_cv_maildir; then
-		break
-	fi
-done])
-if test $shadow_cv_maildir != none; then
-	AC_DEFINE_UNQUOTED([MAIL_SPOOL_DIR], ["$shadow_cv_maildir"],
-		[Location of system mail spool directory.])
-fi
-
-AC_CACHE_CHECK([location of user mail file], [shadow_cv_mailfile],
-[for shadow_cv_mailfile in Mailbox mailbox Mail mail .mail none; do
-	if test -f $HOME/$shadow_cv_mailfile; then
-		break
-	fi
-done])
-if test $shadow_cv_mailfile != none; then
-	AC_DEFINE_UNQUOTED([MAIL_SPOOL_FILE], ["$shadow_cv_mailfile"],
-		[Name of user's mail spool file if stored in user's home directory.])
-fi
-
-AC_CACHE_CHECK([location of faillog/lastlog/wtmp], [shadow_cv_logdir],
-[for shadow_cv_logdir in /var/log /var/adm /usr/adm /etc; do
-	if test -d $shadow_cv_logdir; then
-		break
-	fi
-done])
-AC_DEFINE_UNQUOTED([FAILLOG_FILE], ["$shadow_cv_logdir/faillog"],
-	[Path for faillog file.])
-
-AC_DEFINE_UNQUOTED([PASSWD_PROGRAM], ["$exec_prefix/bin/passwd"],
-	[Path to passwd program.])
-
-AC_ARG_ENABLE([shadowgrp],
-	[AS_HELP_STRING([--enable-shadowgrp], [enable shadow group support @<:@default=yes@:>@])],
-	[case "${enableval}" in
-	 yes) enable_shadowgrp="yes" ;;
-	  no) enable_shadowgrp="no" ;;
-	   *) AC_MSG_ERROR([bad value ${enableval} for --enable-shadowgrp]) ;;
-	 esac],
-	[enable_shadowgrp="yes"]
-)
-
-AC_ARG_ENABLE([man],
-	[AS_HELP_STRING([--enable-man],
-		[regenerate roff man pages from Docbook @<:@default=no@:>@])],
-	[enable_man="${enableval}"],
-	[enable_man="no"]
-)
-
-AC_ARG_ENABLE([account-tools-setuid],
-	[AS_HELP_STRING([--enable-account-tools-setuid],
-		[Install the user and group management tools setuid and authenticate the callers. This requires --with-libpam.])],
-	[case "${enableval}" in
-	 yes) enable_acct_tools_setuid="yes" ;;
-	  no) enable_acct_tools_setuid="no" ;;
-	   *) AC_MSG_ERROR([bad value ${enableval} for --enable-account-tools-setuid])
-	   ;;
-	 esac],
-	[enable_acct_tools_setuid="no"]
-)
-
-AC_ARG_ENABLE([subordinate-ids],
-	[AS_HELP_STRING([--enable-subordinate-ids],
-		[support subordinate ids @<:@default=yes@:>@])],
-	[enable_subids="${enableval}"],
-	[enable_subids="maybe"]
-)
-
-AC_ARG_ENABLE([lastlog],
-	[AS_HELP_STRING([--enable-lastlog],
-		[enable lastlog @<:@default=no@:>@])],
-	[enable_lastlog="${enableval}"],
-	[enable_lastlog="no"]
-)
-
-AC_ARG_ENABLE([logind],
-	[AS_HELP_STRING([--disable-logind],
-		[disable logind integration])],
-	[
-		AS_CASE([${enableval}],
-			[yes],[],
-			[no],[],
-			[AC_MSG_ERROR([bad parameter value for --enable-logind=${enableval}.  ]dnl
-[Supported values are: --enable-logind (or --enable-logind=yes) and --disable-logind (or --enable-logind=no).])]
-		)
-	],
-	[enable_logind="yes"]
-)
-
-AC_ARG_WITH([audit],
-	[AS_HELP_STRING([--with-audit], [use auditing support @<:@default=yes if found@:>@])],
-	[with_audit=$withval], [with_audit=maybe])
-AC_ARG_WITH([libpam],
-	[AS_HELP_STRING([--with-libpam], [use libpam for PAM support @<:@default=yes if found@:>@])],
-	[with_libpam=$withval], [with_libpam=maybe])
-AC_ARG_WITH([btrfs],
-	[AS_HELP_STRING([--with-btrfs], [add BtrFS support @<:@default=yes if found@:>@])],
-	[with_btrfs=$withval], [with_btrfs=maybe])
-AC_ARG_WITH([selinux],
-	[AS_HELP_STRING([--with-selinux], [use SELinux support @<:@default=yes if found@:>@])],
-	[with_selinux=$withval], [with_selinux=maybe])
-AC_ARG_WITH([acl],
-	[AS_HELP_STRING([--with-acl], [use ACL support @<:@default=yes if found@:>@])],
-	[with_acl=$withval], [with_acl=maybe])
-AC_ARG_WITH([attr],
-	[AS_HELP_STRING([--with-attr], [use Extended Attribute support @<:@default=yes if found@:>@])],
-	[with_attr=$withval], [with_attr=maybe])
-AC_ARG_WITH([skey],
-	[AS_HELP_STRING([--with-skey], [use S/Key support @<:@default=no@:>@])],
-	[with_skey=$withval], [with_skey=no])
-AC_ARG_WITH([tcb],
-	[AS_HELP_STRING([--with-tcb], [use tcb support (incomplete) @<:@default=yes if found@:>@])],
-	[with_tcb=$withval], [with_tcb=maybe])
-AC_ARG_WITH([sha-crypt],
-	[AS_HELP_STRING([--with-sha-crypt], [allow the SHA256 and SHA512 password encryption algorithms @<:@default=yes@:>@])],
-	[with_sha_crypt=$withval], [with_sha_crypt=yes])
-AC_ARG_WITH([bcrypt],
-	[AS_HELP_STRING([--with-bcrypt], [allow the bcrypt password encryption algorithm @<:@default=no@:>@])],
-	[with_bcrypt=$withval], [with_bcrypt=no])
-AC_ARG_WITH([yescrypt],
-	[AS_HELP_STRING([--with-yescrypt], [allow the yescrypt password encryption algorithm @<:@default=no@:>@])],
-	[with_yescrypt=$withval], [with_yescrypt=no])
-AC_ARG_WITH([nscd],
-	[AS_HELP_STRING([--with-nscd], [enable support for nscd @<:@default=yes@:>@])],
-	[with_nscd=$withval], [with_nscd=yes])
-AC_ARG_WITH([sssd],
-	[AS_HELP_STRING([--with-sssd], [enable support for flushing sssd caches @<:@default=yes@:>@])],
-	[with_sssd=$withval], [with_sssd=yes])
-AC_ARG_WITH([group-name-max-length],
-	[AS_HELP_STRING([--with-group-name-max-length], [set max group name length @<:@default=32@:>@])],
-	[with_group_name_max_length=$withval], [with_group_name_max_length=yes])
-AC_ARG_WITH([su],
-	[AS_HELP_STRING([--with-su], [build and install su program and man page @<:@default=yes@:>@])],
-	[with_su=$withval], [with_su=yes])
-AC_ARG_WITH([libbsd],
-	[AS_HELP_STRING([--with-libbsd], [use libbsd support @<:@default=yes if found@:>@])],
-	[with_libbsd=$withval], [with_libbsd=yes])
-
-if test "X$with_group_name_max_length" = "Xno" ; then
-	with_group_name_max_length=0
-elif test "X$with_group_name_max_length" = "Xyes" ; then
-	with_group_name_max_length=32
-fi
-AC_DEFINE_UNQUOTED([GROUP_NAME_MAX_LENGTH], [$with_group_name_max_length], [max group name length])
-AC_SUBST([GROUP_NAME_MAX_LENGTH])
-GROUP_NAME_MAX_LENGTH="$with_group_name_max_length"
-
-
-AM_CONDITIONAL([USE_SHA_CRYPT], [test "x$with_sha_crypt" = "xyes"])
-if test "X$with_sha_crypt" = "Xyes"; then
-	AC_DEFINE([USE_SHA_CRYPT], [1], [Define to allow the SHA256 and SHA512 password encryption algorithms])
-fi
-
-AM_CONDITIONAL([USE_BCRYPT], [test "x$with_bcrypt" = "xyes"])
-if test "X$with_bcrypt" = "Xyes"; then
-	AC_DEFINE([USE_BCRYPT], [1], [Define to allow the bcrypt password encryption algorithm])
-fi
-
-AM_CONDITIONAL([USE_YESCRYPT], [test "x$with_yescrypt" = "xyes"])
-if test "X$with_yescrypt" = "Xyes"; then
-	AC_DEFINE([USE_YESCRYPT], [1], [Define to allow the yescrypt password encryption algorithm])
-fi
-
-if test "X$with_nscd" = "Xyes"; 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 "X$with_sssd" = "Xyes"; then
-	AC_CHECK_FUNC([posix_spawn],
-	              [AC_DEFINE([USE_SSSD], [1], [Define to support flushing of sssd caches])],
-	              [AC_MSG_ERROR([posix_spawn is needed for sssd support])])
-fi
-
-AS_IF([test "$with_su" != "no"], [AC_DEFINE([WITH_SU], [1], [Build with su])])
-AM_CONDITIONAL([WITH_SU], [test "x$with_su" != "xno"])
-
-dnl Check for some functions in libc first, only if not found check for
-dnl other libraries.  This should prevent linking libnsl if not really
-dnl needed (Linux glibc, Irix), but still link it if needed (Solaris).
-
-AC_SEARCH_LIBS([gethostbyname], [nsl])
-
-PKG_CHECK_MODULES([CMOCKA], [cmocka], [have_cmocka="yes"],
-	[AC_MSG_WARN([libcmocka not found, cmocka tests will not be built])])
-AM_CONDITIONAL([HAVE_CMOCKA], [test x$have_cmocka = xyes])
-
-AC_ARG_ENABLE([vendordir],
-    [AS_HELP_STRING([--enable-vendordir=DIR], [Directory for distribution provided configuration files])],[],[])
-AC_CHECK_LIB([econf],[econf_readDirs],[LIBECONF="-leconf"],[LIBECONF=""])
-if test -n "$LIBECONF"; then
-        AC_DEFINE_UNQUOTED([VENDORDIR], ["$enable_vendordir"],
-					[Directory for distribution provided configuration files])
-	ECONF_CPPFLAGS="-DUSE_ECONF=1"
-fi
-AC_SUBST([ECONF_CPPFLAGS])
-AC_SUBST([LIBECONF])
-AC_SUBST([VENDORDIR], [$enable_vendordir])
-if test "x$enable_vendordir" != x; then
-	AC_DEFINE([HAVE_VENDORDIR], [1], [Define to support vendor settings.])
-fi
-AM_CONDITIONAL([HAVE_VENDORDIR], [test "x$enable_vendordir" != x])
-
-if test "X$enable_shadowgrp" = "Xyes"; then
-	AC_DEFINE([SHADOWGRP], [1], [Define to support the shadow group file.])
-fi
-AM_CONDITIONAL([SHADOWGRP], [test "x$enable_shadowgrp" = "xyes"])
-
-if test "X$enable_man" = "Xyes"; then
-	dnl
-	dnl Check for xsltproc
-	dnl
-	AC_PATH_PROG([XSLTPROC], [xsltproc])
-	if test -z "$XSLTPROC"; then
-		enable_man=no
-		AC_MSG_ERROR([xsltproc is missing.])
-	fi
-
-	dnl check for DocBook DTD and stylesheets in the local catalog.
-	JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.5//EN],
-		[DocBook XML DTD V4.5], [], [enable_man=no])
-	JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
-		[DocBook XSL Stylesheets >= 1.70.1], [], [enable_man=no])
-fi
-AM_CONDITIONAL([ENABLE_REGENERATE_MAN], [test "x$enable_man" != "xno"])
-
-if test "$enable_subids" != "no"; then
-	dnl
-	dnl FIXME: check if 32 bit UIDs/GIDs are supported by libc
-	dnl
-	AC_CHECK_SIZEOF([uid_t],[], [[#include "sys/types.h"]])
-	AC_CHECK_SIZEOF([gid_t],[], [[#include "sys/types.h"]])
-
-	if test "$ac_cv_sizeof_uid_t" -ge 4 && test "$ac_cv_sizeof_gid_t" -ge 4; then
-		AC_DEFINE([ENABLE_SUBIDS], [1], [Define to support the subordinate IDs.])
-		enable_subids="yes"
-	else
-		if test "x$enable_subids" = "xyes"; then
-			AC_MSG_ERROR([Cannot enable support the subordinate IDs on systems where gid_t or uid_t has less than 32 bits])
-		fi
-		enable_subids="no"
-	fi
-fi
-AM_CONDITIONAL([ENABLE_SUBIDS], [test "x$enable_subids" != "xno"])
-
-if test "X$enable_lastlog" = "Xyes" && test "X$ac_cv_header_lastlog_h" = "Xyes"; then
-	AC_CACHE_CHECK([for ll_host in struct lastlog],
-		[ac_cv_struct_lastlog_ll_host],
-		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <lastlog.h>]],
-					[struct lastlog ll; char *cp = ll.ll_host;])],
-			[ac_cv_struct_lastlog_ll_host=yes],
-			[ac_cv_struct_lastlog_ll_host=no])
-		]
-	)
-
-	if test "X$ac_cv_struct_lastlog_ll_host" = "Xyes"; then
-		AC_DEFINE([HAVE_LL_HOST], [1],
-			[Define if struct lastlog has ll_host])
-		AC_DEFINE([ENABLE_LASTLOG], [1], [Define to support lastlog.])
-		enable_lastlog="yes"
-	else
-		AC_MSG_ERROR([Cannot enable support for lastlog on systems where the data structures aren't available])
-		enable_lastlog="no"
-	fi
-fi
-AM_CONDITIONAL([ENABLE_LASTLOG], [test "x$enable_lastlog" != "xno"])
-
-AC_SUBST([LIBSYSTEMD])
-if test "X$enable_logind" = "Xyes"; then
-	AC_CHECK_LIB([systemd], [sd_session_get_remote_host],
-		[
-			LIBSYSTEMD=-lsystemd
-			AC_DEFINE([ENABLE_LOGIND], [1], [Define to manage session support with logind.])
-		],[
-			AC_MSG_ERROR([libsystemd not found.  If logind integration is not required, disable it using the --disable-logind option. ]dnl
-[ If logind integration is required, consider installing systemd or another package that provides libsystemd.])
-		]
-	)
-fi
-AM_CONDITIONAL([ENABLE_LOGIND], [test "X$enable_logind" = "Xyes"])
-
-AC_CHECK_LIB([crypt], [crypt], [LIBCRYPT=-lcrypt],
-	[AC_MSG_ERROR([crypt() not found])])
-AC_SUBST([LIBCRYPT])
-
-AC_SUBST([LIBBSD])
-if test "$with_libbsd" != "no"; then
-	AC_SEARCH_LIBS([readpassphrase], [bsd], [], [
-		AC_MSG_ERROR([readpassphrase() is missing, either from libc or libbsd])
-	])
-	AS_IF([test "X$ac_cv_search_readpassphrase" = "X-lbsd"], [
-		PKG_CHECK_MODULES([LIBBSD], [libbsd-overlay])
-	])
-	dnl Make sure either the libc or libbsd provide the header.
-	save_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS $LIBBSD_CFLAGS"
-	AC_CHECK_HEADERS([readpassphrase.h])
-	AS_IF([test "$ac_cv_header_readpassphrase_h" != "yes"], [
-		AC_MSG_ERROR([readpassphrase.h is missing])
-	])
-	CFLAGS="$save_CFLAGS"
-	AC_DEFINE([WITH_LIBBSD], [1], [Build shadow with libbsd support])
-else
-	AC_DEFINE([WITH_LIBBSD], [0], [Build shadow without libbsd support])
-fi
-AM_CONDITIONAL([WITH_LIBBSD], [test x$with_libbsd = xyes])
-
-AC_SUBST([LIBACL])
-if test "$with_acl" != "no"; then
-	AC_CHECK_HEADERS([acl/libacl.h attr/error_context.h], [acl_header="yes"], [acl_header="no"])
-	if test "X$acl_header$with_acl" = "Xnoyes" ; then
-		AC_MSG_ERROR([acl/libacl.h or attr/error_context.h is missing])
-	elif test "X$acl_header" = "Xyes" ; then
-		AC_CHECK_LIB([acl], [perm_copy_file],
-		             [AC_CHECK_LIB([acl], [perm_copy_fd],
-		                           [acl_lib="yes"],
-		                           [acl_lib="no"])],
-		             [acl_lib="no"])
-		if test "X$acl_lib$with_acl" = "Xnoyes" ; then
-			AC_MSG_ERROR([libacl not found])
-		elif test "X$acl_lib" = "Xno" ; then
-			with_acl="no"
-		else
-			AC_DEFINE([WITH_ACL], [1],
-			          [Build shadow with ACL support])
-			LIBACL="-lacl"
-			with_acl="yes"
-		fi
-	else
-		with_acl="no"
-	fi
-fi
-
-AC_SUBST([LIBATTR])
-if test "$with_attr" != "no"; then
-	AC_CHECK_HEADERS([attr/libattr.h attr/error_context.h], [attr_header="yes"], [attr_header="no"])
-	if test "X$attr_header$with_attr" = "noyes" ; then
-		AC_MSG_ERROR([attr/libattr.h or attr/error_context.h is missing])
-	elif test "X$attr_header" = "Xyes" ; then
-		AC_CHECK_LIB([attr], [attr_copy_file],
-		             [AC_CHECK_LIB([attr], [attr_copy_fd],
-		                           [attr_lib="yes"],
-		                           [attr_lib="no"])],
-		             [attr_lib="no"])
-		if test "X$attr_lib$with_attr" = "Xnoyes" ; then
-			AC_MSG_ERROR([libattr not found])
-		elif test "X$attr_lib" = "Xno" ; then
-			with_attr="no"
-		else
-			AC_DEFINE([WITH_ATTR], [1],
-			          [Build shadow with Extended Attributes support])
-			LIBATTR="-lattr"
-			with_attr="yes"
-		fi
-	else
-		with_attr="no"
-	fi
-fi
-
-AC_SUBST([LIBAUDIT])
-if test "$with_audit" != "no"; then
-	AC_CHECK_HEADER([libaudit.h], [audit_header="yes"], [audit_header="no"])
-	if test "X$audit_header$with_audit" = "Xnoyes" ; then
-		AC_MSG_ERROR([libaudit.h is missing])
-	elif test "X$audit_header" = "Xyes"; then
-		AC_CHECK_DECL([AUDIT_ADD_USER],[],[audit_header="no"],[[#include <libaudit.h>]])
-		AC_CHECK_DECL([AUDIT_DEL_USER],[],[audit_header="no"],[[#include <libaudit.h>]])
-		AC_CHECK_DECL([AUDIT_ADD_GROUP],[],[audit_header="no"],[[#include <libaudit.h>]])
-		AC_CHECK_DECL([AUDIT_DEL_GROUP],[],[audit_header="no"],[[#include <libaudit.h>]])
-		if test "X$audit_header$with_audit" = "Xnoyes" ; then
-			AC_MSG_ERROR([AUDIT_ADD_USER AUDIT_DEL_USER AUDIT_ADD_GROUP or AUDIT_DEL_GROUP missing from libaudit.h])
-		fi
-	fi
-	if test "X$audit_header" = "Xyes"; then
-		AC_CHECK_LIB([audit], [audit_log_acct_message],
-		             [audit_lib="yes"], [audit_lib="no"])
-		if test "X$audit_lib$with_audit" = "Xnoyes" ; then
-			AC_MSG_ERROR([libaudit not found])
-		elif test "X$audit_lib" = "Xno" ; then
-			with_audit="no"
-		else
-			AC_DEFINE([WITH_AUDIT], [1],
-			          [Define if you want to enable Audit messages])
-			LIBAUDIT="-laudit"
-			with_audit="yes"
-		fi
-	else
-		with_audit="no"
-	fi
-fi
-
-if test "$with_btrfs" != "no"; then
-	AC_CHECK_HEADERS([sys/statfs.h linux/magic.h linux/btrfs_tree.h], \
-		[btrfs_headers="yes"], [btrfs_headers="no"])
-	if test "X$btrfs_headers$with_btrfs" = "Xnoyes" ; then
-		AC_MSG_ERROR([One of sys/statfs.h linux/magic.h linux/btrfs_tree.h is missing])
-	fi
-
-	if test "X$btrfs_headers" = "Xyes" ; 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
-	AC_CHECK_HEADERS([selinux/selinux.h], [selinux_header="yes"], [selinux_header="no"])
-	if test "X$selinux_header$with_selinux" = "Xnoyes" ; then
-		AC_MSG_ERROR([selinux/selinux.h is missing])
-	fi
-
-	AC_CHECK_HEADERS([semanage/semanage.h], [semanage_header="yes"], [semanage_header="no"])
-	if test "X$semanage_header$with_selinux" = "Xnoyes" ; then
-		AC_MSG_ERROR([semanage/semanage.h is missing])
-	fi
-
-	if test "X$selinux_header$semanage_header" = "Xyesyes" ; then
-		AC_CHECK_LIB([selinux], [is_selinux_enabled], [selinux_lib="yes"], [selinux_lib="no"])
-		if test "X$selinux_lib$with_selinux" = "Xnoyes" ; then
-			AC_MSG_ERROR([libselinux not found])
-		fi
-
-		AC_CHECK_LIB([semanage], [semanage_connect], [semanage_lib="yes"], [semanage_lib="no"])
-		if test "X$semanage_lib$with_selinux" = "Xnoyes" ; then
-			AC_MSG_ERROR([libsemanage not found])
-		fi
-
-		if test "X$selinux_lib$semanage_lib" = "Xyesyes" ; then
-			AC_DEFINE([WITH_SELINUX], [1],
-			          [Build shadow with SELinux support])
-			LIBSELINUX="-lselinux"
-			LIBSEMANAGE="-lsemanage"
-			with_selinux="yes"
-		else
-			with_selinux="no"
-		fi
-	else
-		with_selinux="no"
-	fi
-fi
-
-AC_SUBST([LIBTCB])
-if test "$with_tcb" != "no"; then
-	AC_CHECK_HEADERS([tcb.h], [tcb_header="yes"], [tcb_header="no"])
-	if test "X$tcb_header$with_tcb" = "Xnoyes" ; then
-		AC_MSG_ERROR([tcb.h is missing])
-	elif test "X$tcb_header" = "Xyes" ; then
-		AC_CHECK_LIB([tcb], [tcb_is_suspect], [tcb_lib="yes"], [tcb_lib="no"])
-		if test "X$tcb_lib$with_tcb" = "Xnoyes" ; then
-			AC_MSG_ERROR([libtcb not found])
-		elif test "X$tcb_lib" = "Xno" ; then
-			with_tcb="no"
-		else
-			AC_DEFINE([WITH_TCB], [1], [Build shadow with tcb support (incomplete)])
-			LIBTCB="-ltcb"
-			with_tcb="yes"
-		fi
-	else
-		with_tcb="no"
-	fi
-fi
-AM_CONDITIONAL([WITH_TCB], [test x$with_tcb = xyes])
-
-AC_SUBST([LIBPAM])
-if test "$with_libpam" != "no"; then
-	AC_CHECK_LIB([pam], [pam_start],
-	             [pam_lib="yes"], [pam_lib="no"])
-	if test "X$pam_lib$with_libpam" = "Xnoyes" ; then
-		AC_MSG_ERROR([libpam not found])
-	fi
-
-	LIBPAM="-lpam"
-	pam_conv_function="no"
-
-	AC_CHECK_LIB([pam], [openpam_ttyconv],
-	             [pam_conv_function="openpam_ttyconv"],
-	             [AC_CHECK_LIB([pam_misc], [misc_conv],
-	                           [pam_conv_function="misc_conv"; LIBPAM="$LIBPAM -lpam_misc"])]
-	            )
-
-	if test "X$pam_conv_function$with_libpam" = "Xnoyes" ; then
-		AC_MSG_ERROR([PAM conversation function not found])
-	fi
-
-	pam_headers_found=no
-	AC_CHECK_HEADERS( [security/openpam.h security/pam_misc.h],
-	                 [ pam_headers_found=yes ; break ], [],
-	                 [[#include <security/pam_appl.h>]] )
-	if test "X$pam_headers_found$with_libpam" = "Xnoyes" ; then
-	                AC_MSG_ERROR([PAM headers not found])
-	fi
-
-
-	if test "X$pam_lib$pam_headers_found" = "Xyesyes" && test "$pam_conv_function" != "no" ; then
-		with_libpam="yes"
-	else
-		with_libpam="no"
-		unset LIBPAM
-	fi
-fi
-dnl Now with_libpam is either yes or no
-if test "X$with_libpam" = "Xyes"; then
-	AC_CHECK_DECLS([PAM_ESTABLISH_CRED,
-	                PAM_DELETE_CRED,
-	                PAM_NEW_AUTHTOK_REQD,
-	                PAM_DATA_SILENT],
-	               [], [], [[#include <security/pam_appl.h>]])
-
-
-	save_libs=$LIBS
-	LIBS="$LIBS $LIBPAM"
-	# We do not use AC_CHECK_FUNCS to avoid duplicated definition with
-	# Linux PAM.
-	AC_CHECK_FUNC([pam_fail_delay], [AC_DEFINE([HAS_PAM_FAIL_DELAY], [1], [Define to 1 if you have the declaration of 'pam_fail_delay'])])
-	LIBS=$save_libs
-
-	AC_DEFINE([USE_PAM], [1], [Define to support Pluggable Authentication Modules])
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doc/README.limits

@@ -1,65 +0,0 @@
-
-ABOUT shadow-login limits:
-
-This code is merged into shadow login program from the original LShell 2.01
-written by Joel Katz. The port and some additional features have been added
-by Cristian Gafton (gafton@sorosis.ro).
-
-
-Changes:
-	- 96/04/16
-		- {spaces,tabs} allowed within limits string
-		- Warn via syslog multiple default limits
-		- added few paragraphs to the login man page
-	- 96/04/14
-		- code merged into lmain.c --cristiang
-
-TODO:	- support groups in the limits file
-	  (only usernames are supported at this moment :-( )
-
-Setting user limits for shadow login program
-
-First, make a root-only-readable file (/etc/limits by default or LIMITS_FILE
-defined config.h) that describes the resource limits you wish to impose. By
-default no quotas are imposed on 'root'. In fact, there is no way to impose
-limits via this procedure to root-equiv accounts (accounts with UID 0).
-
-Each line describes a limit for a user in the form:
-
-	user LIMITS_STRING
-
-The LIMITS_STRING is a string of a concatenated list of resource limits.
-Each limit consists of a letter identifier followed by a numerical limit.
-The valid identifiers are:
-
-	A: max address space (KB)
-	C: max core file size (KB)
-	D: max data size (KB)
-	F: maximum filesize (KB)
-	M: max locked-in-memory address space (KB)
-	N: max number of open files
-	R: max resident set size (KB)
-	S: max stack size (KB)
-	T: max CPU time (MIN)
-	U: max number of processes
-	L: max number of logins for this user
-
-For example, L2D2048N5 is a valid LIMITS_STRING. For reading convenience,
-the following entries are equivalent:
-
-username L2D2048N5
-username L2 D2048 N5
-
-Be aware that after <username> the rest of the line is considered a limit
-string, thus comments are not allowed. A invalid limits string will be
-rejected (not considered) by the login program.
-
-The default entry is denoted by username '*'. If you have multiple 'default'
-entries in your LIMITS_FILE, then the last one will be used as the default
-entry.
-
-To completely disable limits for a user, a single dash (-) will do.
-
-Also, please note that all limit settings are set PER LOGIN.  They are
-not global, nor are they permanent.  Perhaps global limits will come, but
-for now this will have to do ;)

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etc/limits

@@ -1,30 +0,0 @@
-# /etc/limits contains user resource limits.
-# See limits(5).
-#
-# Format:
-# <username> <limits-string>
-#
-# default entry is '*' for username
-#
-# Valid flags are:
-# A: max address space (KB)
-# C: max core file size (KB)
-# D: max data size (KB)
-# F: maximum filesize (KB)
-# M: max locked-in-memory address space (KB) [only for root on Linux 2.0.x]
-# N: max number of open files
-# R: max resident set size (KB) [no effect on Linux 2.0.x]
-# S: max stack size (KB)
-# T: max CPU time (MIN)
-# U: max number of processes
-# L: max number of logins for this user
-# I: max nice value (0..39 translates to 20..-19)
-# O: max real time priority (0..MAX_RT_PRIO)
-#
-# Examples:
-# the default entry
-#* L2 D6144 R2048 S2048 U32 N32 F16384 T5 C0 I20 O0
-# another way of suspending a user login
-#guest   L0
-# this account has no limits
-#sysadm  -

etc/login.access

@@ -1,54 +0,0 @@
-# $Id$
-#
-# Login access control table.
-#
-# When someone logs in, the table is scanned for the first entry that
-# matches the (user, host) combination, or, in case of non-networked
-# logins, the first entry that matches the (user, tty) combination.  The
-# permissions field of that table entry determines whether the login will
-# be accepted or refused.
-#
-# Format of the login access control table is three fields separated by a
-# ":" character:
-#
-# 	permission : users : origins
-#
-# The first field should be a "+" (access granted) or "-" (access denied)
-# character.
-#
-# The second field should be a list of one or more login names, group
-# names, or ALL (always matches). A pattern of the form user@host is
-# matched when the login name matches the "user" part, and when the
-# "host" part matches the local machine name.
-#
-# The third field should be a list of one or more tty names (for
-# non-networked logins), host names, domain names (begin with "."), host
-# addresses, internet network numbers (end with "."), ALL (always
-# matches) or LOCAL (matches any string that does not contain a "."
-# character).
-#
-# If you run NIS you can use @netgroupname in host or user patterns; this
-# even works for @usergroup@@hostgroup patterns. Weird.
-#
-# The EXCEPT operator makes it possible to write very compact rules.
-#
-# The group file is searched only when a name does not match that of the
-# logged-in user. Only groups are matched in which users are explicitly
-# listed: the program does not look at a user's primary group id value.
-#
-##############################################################################
-#
-# Disallow console logins to all but a few accounts.
-#
-#-:ALL EXCEPT wheel shutdown sync:console
-#
-# Disallow non-local logins to privileged accounts (group wheel).
-#
-#-:wheel:ALL EXCEPT LOCAL .win.tue.nl
-#
-# Some accounts are not allowed to login from anywhere:
-#
-#-:wsbscaro wsbsecr wsbspac wsbsym wscosor wstaiwde:ALL
-#
-# All other accounts are allowed to login from anywhere.
-#

etc/login.defs

@@ -1,473 +0,0 @@
-#
-# /etc/login.defs - Configuration control definitions for the shadow package.
-#
-#	$Id$
-#
-
-#
-# Delay in seconds before being allowed another attempt after a login failure
-# Note: when PAM is used, some modules may enforce a minimum delay (e.g.
-#       pam_unix(8) enforces a 2s delay)
-#
-FAIL_DELAY		3
-
-#
-# Enable logging and display of /var/log/faillog login(1) failure info.
-#
-FAILLOG_ENAB		yes
-
-#
-# Enable display of unknown usernames when login(1) failures are recorded.
-#
-LOG_UNKFAIL_ENAB	no
-
-#
-# Enable logging of successful logins
-#
-LOG_OK_LOGINS		no
-
-#
-# Enable logging and display of /var/log/lastlog login(1) time info.
-#
-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.
-#
-# Disable if the shell startup files already check for mail
-# ("mailx -e" or equivalent).
-#
-MAIL_CHECK_ENAB		yes
-
-#
-# Enable additional checks upon password changes.
-#
-OBSCURE_CHECKS_ENAB	yes
-
-#
-# Enable checking of time restrictions specified in /etc/porttime.
-#
-PORTTIME_CHECKS_ENAB	yes
-
-#
-# Enable setting of ulimit, umask, and niceness from passwd(5) gecos field.
-#
-QUOTAS_ENAB		yes
-
-#
-# Enable "syslog" logging of su(1) activity - in addition to sulog file logging.
-# SYSLOG_SG_ENAB does the same for newgrp(1) and sg(1).
-#
-SYSLOG_SU_ENAB		yes
-SYSLOG_SG_ENAB		yes
-
-#
-# If defined, either full pathname of a file containing device names or
-# a ":" delimited list of device names.  Root logins will be allowed only
-# from these devices.
-#
-CONSOLE		/etc/securetty
-#CONSOLE	console:tty01:tty02:tty03:tty04
-
-#
-# If defined, all su(1) activity is logged to this file.
-#
-#SULOG_FILE	/var/log/sulog
-
-#
-# If defined, ":" delimited list of "message of the day" files to
-# be displayed upon login.
-#
-MOTD_FILE	/etc/motd
-#MOTD_FILE	/etc/motd:/usr/lib/news/news-motd
-
-#
-# If defined, this file will be output before each login(1) prompt.
-#
-#ISSUE_FILE	/etc/issue
-
-#
-# If defined, file which maps tty line to TERM environment parameter.
-# Each line of the file is in a format similar to "vt100  tty01".
-#
-#TTYTYPE_FILE	/etc/ttytype
-
-#
-# If defined, login(1) failures will be logged here in a utmp format.
-# last(1), when invoked as lastb(1), will read /var/log/btmp, so...
-#
-FTMP_FILE	/var/log/btmp
-
-#
-# If defined, name of file whose presence will inhibit non-root
-# logins.  The content of this file should be a message indicating
-# why logins are inhibited.
-#
-NOLOGINS_FILE	/etc/nologin
-
-#
-# If defined, the command name to display when running "su -".  For
-# example, if this is defined as "su" then ps(1) will display the
-# command as "-su".  If not defined, then ps(1) will display the
-# name of the shell actually being run, e.g. something like "-sh".
-#
-SU_NAME		su
-
-#
-# *REQUIRED*
-#   Directory where mailboxes reside, _or_ name of file, relative to the
-#   home directory.  If you _do_ define both, MAIL_DIR takes precedence.
-#
-MAIL_DIR	/var/spool/mail
-#MAIL_FILE	.mail
-
-#
-# If defined, file which inhibits all the usual chatter during the login
-# sequence.  If a full pathname, then hushed mode will be enabled if the
-# user's name or shell are found in the file.  If not a full pathname, then
-# hushed mode will be enabled if the file exists in the user's home directory.
-#
-HUSHLOGIN_FILE	.hushlogin
-#HUSHLOGIN_FILE	/etc/hushlogins
-
-#
-# If defined, either a TZ environment parameter spec or the
-# fully-rooted pathname of a file containing such a spec.
-#
-#ENV_TZ		TZ=CST6CDT
-#ENV_TZ		/etc/tzname
-
-#
-# If defined, an HZ environment parameter spec.
-#
-# for Linux/x86
-ENV_HZ		HZ=100
-# For Linux/Alpha...
-#ENV_HZ		HZ=1024
-
-#
-# *REQUIRED*  The default PATH settings, for superuser and normal users.
-#
-# (they are minimal, add the rest in the shell startup files)
-ENV_SUPATH	PATH=/sbin:/bin:/usr/sbin:/usr/bin
-ENV_PATH	PATH=/bin:/usr/bin
-
-#
-# Terminal permissions
-#
-#	TTYGROUP	Login tty will be assigned this group ownership.
-#	TTYPERM		Login tty will be set to this permission.
-#
-# If you have a write(1) program which is "setgid" to a special group
-# which owns the terminals, define TTYGROUP as the number of such group
-# and TTYPERM as 0620.  Otherwise leave TTYGROUP commented out and
-# set TTYPERM to either 622 or 600.
-#
-TTYGROUP	tty
-TTYPERM		0600
-
-#
-# Login configuration initializations:
-#
-#	ERASECHAR	Terminal ERASE character ('\010' = backspace).
-#	KILLCHAR	Terminal KILL character ('\025' = CTRL/U).
-#	ULIMIT		Default "ulimit" value.
-#
-# The ERASECHAR and KILLCHAR are used only on System V machines.
-# The ULIMIT is used only if the system supports it.
-# (now it works with setrlimit too; ulimit is in 512-byte units)
-#
-# Prefix these values with "0" to get octal, "0x" to get hexadecimal.
-#
-ERASECHAR	0177
-KILLCHAR	025
-#ULIMIT		2097152
-
-# Default initial "umask" value used by login(1) on non-PAM enabled systems.
-# Default "umask" value for pam_umask(8) on PAM enabled systems.
-# UMASK is also used by useradd(8) and newusers(8) to set the mode for new
-# home directories if HOME_MODE is not set.
-# 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 their mind.
-UMASK		022
-
-# HOME_MODE is used by useradd(8) and newusers(8) to set the mode for new
-# home directories.
-# If HOME_MODE is not set, the value of UMASK is used to create the mode.
-#HOME_MODE	0700
-
-#
-# Password aging controls:
-#
-#	PASS_MAX_DAYS	Maximum number of days a password may be used.
-#	PASS_MIN_DAYS	Minimum number of days allowed between password changes.
-#	PASS_MIN_LEN	Minimum acceptable password length.
-#	PASS_WARN_AGE	Number of days warning given before a password expires.
-#
-PASS_MAX_DAYS	99999
-PASS_MIN_DAYS	0
-PASS_MIN_LEN	5
-PASS_WARN_AGE	7
-
-#
-# If "yes", the user must be listed as a member of the first gid 0 group
-# in /etc/group (called "root" on most Linux systems) to be able to "su"
-# to uid 0 accounts.  If the group doesn't exist or is empty, no one
-# will be able to "su" to uid 0.
-#
-SU_WHEEL_ONLY	no
-
-#
-# Min/max values for automatic uid selection in useradd(8)
-#
-UID_MIN			 1000
-UID_MAX			60000
-# System accounts
-SYS_UID_MIN		  101
-SYS_UID_MAX		  999
-# Extra per user uids
-SUB_UID_MIN		   100000
-SUB_UID_MAX		600100000
-SUB_UID_COUNT		    65536
-
-#
-# Min/max values for automatic gid selection in groupadd(8)
-#
-GID_MIN			 1000
-GID_MAX			60000
-# System accounts
-SYS_GID_MIN		  101
-SYS_GID_MAX		  999
-# Extra per user group ids
-SUB_GID_MIN		   100000
-SUB_GID_MAX		600100000
-SUB_GID_COUNT		    65536
-
-#
-# Max number of login(1) retries if password is bad
-#
-LOGIN_RETRIES		5
-
-#
-# Max time in seconds for login(1)
-#
-LOGIN_TIMEOUT		60
-
-#
-# Maximum number of attempts to change password if rejected (too easy)
-#
-PASS_CHANGE_TRIES	5
-
-#
-# Warn about weak passwords (but still allow them) if you are root.
-#
-PASS_ALWAYS_WARN	yes
-
-#
-# Number of significant characters in the password for crypt().
-# Default is 8, don't change unless your crypt() is better.
-# Only used for DES encryption algorithm.
-#
-#PASS_MAX_LEN		8
-
-#
-# Require password before chfn(1)/chsh(1) can make any changes.
-#
-CHFN_AUTH		yes
-
-#
-# Which fields may be changed by regular users using chfn(1) - use
-# any combination of letters "frwh" (full name, room number, work
-# phone, home phone).  If not defined, no changes are allowed.
-# For backward compatibility, "yes" = "rwh" and "no" = "frwh".
-#
-CHFN_RESTRICT		rwh
-
-#
-# Password prompt (%s will be replaced by user name).
-#
-# XXX - it doesn't work correctly yet, for now leave it commented out
-# to use the default which is just "Password: ".
-#LOGIN_STRING		"%s's Password: "
-
-#
-# Only works if compiled with MD5_CRYPT defined:
-# If set to "yes", new passwords will be encrypted using the MD5-based
-# algorithm compatible with the one used by recent releases of FreeBSD.
-# It supports passwords of unlimited length and longer salt strings.
-# Set to "no" if you need to copy encrypted passwords to other systems
-# which don't understand the new algorithm.  Default is "no".
-#
-# Note: if you use PAM, it is recommended to use a value consistent with
-# the PAM modules configuration.
-#
-# This variable is deprecated. You should use ENCRYPT_METHOD instead.
-#
-#MD5_CRYPT_ENAB	no
-
-#
-# Only works if compiled with ENCRYPTMETHOD_SELECT defined:
-# 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 YESCRYPT, YESCRYPT-based algorithm will be used for encrypting password
-# If set to DES, DES-based algorithm will be used for encrypting password (default)
-# MD5 and DES should not be used for new hashes, see crypt(5) for recommendations.
-# Overrides the MD5_CRYPT_ENAB option
-#
-# Note: if you use PAM, it is recommended to use a value consistent with
-# the PAM modules configuration.
-#
-#ENCRYPT_METHOD DES
-
-#
-# Only works if ENCRYPT_METHOD is set to SHA256 or SHA512.
-#
-# Define the number of SHA 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, the libc will choose the default number of rounds (5000),
-# which is orders of magnitude too low for modern hardware.
-# The values must be within the 1000-999999999 range.
-# 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
-
-#
-# 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
-
-#
-# Only works if ENCRYPT_METHOD is set to YESCRYPT.
-#
-# Define the YESCRYPT cost factor.
-# With a higher cost factor, it is more difficult to brute-force the password.
-# However, more CPU time and more memory will be needed to authenticate users
-# if this value is increased.
-#
-# If not specified, a cost factor of 5 will be used.
-# The value must be within the 1-11 range.
-#
-#YESCRYPT_COST_FACTOR 5
-
-#
-# List of groups to add to the user's supplementary group set
-# when logging in from the console (as determined by the CONSOLE
-# setting).  Default is none.
-#
-# Use with caution - it is possible for users to gain permanent
-# access to these groups, even when not logged in from the console.
-# How to do it is left as an exercise for the reader...
-#
-#CONSOLE_GROUPS		floppy:audio:cdrom
-
-#
-# Should login be allowed if we can't cd to the home directory?
-# Default is no.
-#
-DEFAULT_HOME	yes
-
-#
-# The pwck(8) utility emits a warning for any system account with a home
-# directory that does not exist.  Some system accounts intentionally do
-# not have a home directory.  Such accounts may have this string as
-# their home directory in /etc/passwd to avoid a spurious warning.
-#
-NONEXISTENT	/nonexistent
-
-#
-# If this file exists and is readable, login environment will be
-# read from it.  Every line should be in the form name=value.
-#
-ENVIRON_FILE	/etc/environment
-
-#
-# If defined, this command is run when removing a user.
-# It should remove any at/cron/print jobs etc. owned by
-# the user to be removed (passed as the first argument).
-#
-#USERDEL_CMD	/usr/sbin/userdel_local
-
-#
-# Enable setting of the umask group bits to be the same as owner bits
-# (examples: 022 -> 002, 077 -> 007) for non-root users, if the uid is
-# the same as gid, and username is the same as the primary group name.
-#
-# This also enables userdel(8) to remove user groups if no members exist.
-#
-USERGROUPS_ENAB yes
-
-#
-# If set to a non-zero number, the shadow utilities will make sure that
-# groups never have more than this number of users on one line.
-# This permits to support split groups (groups split into multiple lines,
-# with the same group ID, to avoid limitation of the line length in the
-# group file).
-#
-# 0 is the default value and disables this feature.
-#
-#MAX_MEMBERS_PER_GROUP	0
-
-#
-# If useradd(8) should create home directories for users by default (non
-# system users only).
-# This option is overridden with the -M or -m flags on the useradd(8)
-# command-line.
-#
-#CREATE_HOME     yes
-
-#
-# Force use shadow, even if shadow passwd & shadow group files are
-# missing.
-#
-#FORCE_SHADOW    yes
-
-#
-# Allow newuidmap and newgidmap when running under an alternative
-# primary group.
-#
-#GRANT_AUX_GROUP_SUBIDS yes
-
-#
-# Prevents an empty password field to be interpreted as "no authentication
-# required".
-# Set to "yes" to prevent for all accounts
-# Set to "superuser" to prevent for UID 0 / root (default)
-# Set to "no" to not prevent for any account (dangerous, historical default)
-PREVENT_NO_AUTH superuser
-
-#
-# Select the HMAC cryptography algorithm.
-# Used in pam_timestamp module to calculate the keyed-hash message
-# authentication code.
-#
-# Note: it is recommended to check hmac(3) to see the possible algorithms
-# that are available in your system.
-#
-#HMAC_CRYPTO_ALGO SHA512

etc/pam.d/Makefile.am

@@ -1,34 +0,0 @@
-# This is a dummy Makefile.am to get automake work flawlessly,
-# and also cooperate to make a distribution for `make dist'
-
-pamd_files = \
-	chpasswd \
-	chfn \
-	chsh \
-	groupmems \
-	login \
-	newusers \
-	passwd
-
-pamd_acct_tools_files = \
-	chgpasswd \
-	groupadd \
-	groupdel \
-	groupmod \
-	useradd \
-	userdel \
-	usermod
-
-if USE_PAM
-pamddir = $(sysconfdir)/pam.d
-pamd_DATA = $(pamd_files)
-if ACCT_TOOLS_SETUID
-pamd_DATA += $(pamd_acct_tools_files)
-endif
-endif
-
-if WITH_SU
-pamd_files += su
-endif
-
-EXTRA_DIST = $(pamd_files) $(pamd_acct_tools_files)

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etc/pam.d/chfn

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/chgpasswd

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/chpasswd

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/chsh

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/groupadd

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/groupdel

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/groupmems

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/groupmod

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/login

@@ -1,11 +0,0 @@
-#%PAM-1.0
-auth		required	pam_securetty.so
-auth		include		system-auth
-account		required	pam_nologin.so
-account		include		system-auth
-password	include		system-auth
-session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
-session		include		system-auth
-session		required	pam_loginuid.so
-session		optional	pam_console.so
-session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open

etc/pam.d/newusers

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/passwd

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		include		system-auth
-account		include		system-auth
-password	include		system-auth

etc/pam.d/su

@@ -1,13 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-# Uncomment the following line to implicitly trust users in the "wheel" group.
-#auth		sufficient	pam_wheel.so trust use_uid
-# Uncomment the following line to require a user to be in the "wheel" group.
-auth		required	pam_wheel.so use_uid
-auth		include		system-auth
-account		include		system-auth
-password	include		system-auth
-session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
-session		include		system-auth
-session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open
-session		optional	pam_xauth.so

etc/pam.d/useradd

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/userdel

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/pam.d/usermod

@@ -1,4 +0,0 @@
-#%PAM-1.0
-auth		sufficient	pam_rootok.so
-account		required	pam_permit.so
-password	include		system-auth

etc/shadow-maint/Makefile.am

@@ -1,5 +0,0 @@
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-	groupdel-pre.d/01-kill_group_procs.sh \
-	userdel-pre.d/01-kill_user_procs.sh
-
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etc/shadow-maint/Makefile.in

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-LIBTCB = @LIBTCB@
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-	groupdel-pre.d/01-kill_group_procs.sh \
-	userdel-pre.d/01-kill_user_procs.sh
-
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-	  *config.status*) \
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-.NOEXPORT:

etc/shadow-maint/groupdel-pre.d/01-kill_group_procs.sh

@@ -1,26 +0,0 @@
-#!/bin/sh
-
-PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-GROUPID=`awk -F: '$1 == "'"${SUBJECT}"'" { print $3 }' /etc/group`
-
-if [ "${GROUPID}" = "" ]; then
-    exit 0
-fi
-
-for status in /proc/*/status; do
-    # either this isn't a process or its already dead since expanding the list
-    [ -f "$status" ] || continue
-
-    tbuf=${status%/status}
-    pid=${tbuf#/proc/}
-    case "$pid" in
-        "$$") continue;;
-        [0-9]*) :;;
-        *) continue
-    esac
-    
-    grep -q '^Groups:.*\b'"${GROUPID}"'\b.*' "/proc/$pid/status" || continue
-
-    kill -9 "$pid" || echo "cannot kill $pid" 1>&2
-done
-

etc/shadow-maint/userdel-pre.d/01-kill_user_procs.sh

@@ -1,31 +0,0 @@
-#!/bin/sh
-
-PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-
-# Check user exists, and if so, send sigkill to processes that the user owns
-
-ps -eo user >/dev/null 2>&1
-if [ $? -eq 0 ]; then
-    RUNNING=`ps -eo user | grep -Fx "$SUBJECT" | wc -l`
-    # if the user does not exist, RUNNING will be 0
-    if [ "${RUNNING}x" = "0x" ]; then
-        exit 0
-    fi
-fi
-
-# If there is no ps -eo, traverse the process directly.
-
-ls -1 /proc | while IFS= read -r PROC; do
-  echo "$PROC" | grep -E '^[0-9]+$' >/dev/null
-  if [ $? -ne 0 ]; then
-    continue
-  fi
-  if [ -d "/proc/${PROC}" ]; then
-    USR=`stat -c "%U" /proc/${PROC}`
-    if [ "${USR}" = "${SUBJECT}" ]; then
-      echo "Killing ${SUBJECT} owned ${PROC}"
-      kill -9 "${PROC}"
-    fi
-  fi
-done
-

lib/.indent.pro

@@ -1,5 +0,0 @@
--kr
--i8
--bad
--pcs
--l80

lib/Makefile.am

@@ -1,312 +0,0 @@
-
-AUTOMAKE_OPTIONS = 1.0 foreign
-
-DEFS =
-
-noinst_LTLIBRARIES = libshadow.la
-
-if USE_PAM
-LIBCRYPT_PAM = $(LIBCRYPT)
-else
-LIBCRYPT_PAM =
-endif
-
-AM_CPPFLAGS = -I$(top_srcdir)/lib -I$(top_srcdir) $(ECONF_CPPFLAGS)
-
-libshadow_la_CPPFLAGS = $(ECONF_CPPFLAGS)
-if HAVE_VENDORDIR
-libshadow_la_CPPFLAGS += -DVENDORDIR=\"$(VENDORDIR)\"
-endif
-
-libshadow_la_CPPFLAGS += -I$(top_srcdir)
-libshadow_la_CFLAGS = $(LIBBSD_CFLAGS) $(LIBCRYPT_PAM) $(LIBSYSTEMD)
-libshadow_la_LIBADD = $(LIBADD_DLOPEN)
-
-libshadow_la_SOURCES = \
-	addgrps.c \
-	adds.c \
-	adds.h \
-	age.c \
-	agetpass.c \
-	agetpass.h \
-	alloc/calloc.c \
-	alloc/calloc.h \
-	alloc/malloc.c \
-	alloc/malloc.h \
-	alloc/realloc.c \
-	alloc/realloc.h \
-	alloc/reallocf.c \
-	alloc/reallocf.h \
-	atoi/a2i.c \
-	atoi/a2i.h \
-	atoi/getnum.c \
-	atoi/getnum.h \
-	atoi/strtoi/strtoi.c \
-	atoi/strtoi/strtoi.h \
-	atoi/strtoi/strtou.c \
-	atoi/strtoi/strtou.h \
-	atoi/strtoi/strtou_noneg.c \
-	atoi/strtoi/strtou_noneg.h \
-	attr.h \
-	audit_help.c \
-	basename.c \
-	bit.c \
-	bit.h \
-	cast.h \
-	chkname.c \
-	chkname.h \
-	chkhash.c \
-	chkhash.h \
-	chowndir.c \
-	chowntty.c \
-	cleanup.c \
-	cleanup_group.c \
-	cleanup_user.c \
-	commonio.c \
-	commonio.h \
-	console.c \
-	copydir.c \
-	csrand.c \
-	defines.h \
-	encrypt.c \
-	env.c \
-	exit_if_null.c \
-	exit_if_null.h \
-	exitcodes.h \
-	faillog.h \
-	failure.c \
-	failure.h \
-	fd.c \
-	fields.c \
-	fields.h \
-	find_new_gid.c \
-	find_new_uid.c \
-	find_new_sub_gids.c \
-	find_new_sub_uids.c \
-	fs/mkstemp/fmkomstemp.c \
-	fs/mkstemp/fmkomstemp.h \
-	fs/mkstemp/mkomstemp.c \
-	fs/mkstemp/mkomstemp.h \
-	fs/readlink/areadlink.c \
-	fs/readlink/areadlink.h \
-	fs/readlink/readlinknul.c \
-	fs/readlink/readlinknul.h \
-	get_pid.c \
-	getdef.c \
-	getdef.h \
-	getgr_nam_gid.c \
-	getrange.c \
-	gettime.c \
-	groupio.c \
-	groupmem.c \
-	groupio.h \
-	hushed.c \
-	idmapping.h \
-	idmapping.c \
-	isexpired.c \
-	limits.c \
-	list.c \
-	lockpw.c \
-	loginprompt.c \
-	mail.c \
-	motd.c \
-	myname.c \
-	nss.c \
-	nscd.c \
-	nscd.h \
-	obscure.c \
-	pam_defs.h \
-	pam_pass.c \
-	pam_pass_non_interactive.c \
-	port.c \
-	port.h \
-	prefix_flag.c \
-	prototypes.h \
-	pwauth.c \
-	pwauth.h \
-	pwio.c \
-	pwio.h \
-	pwd_init.c \
-	pwd2spwd.c \
-	pwdcheck.c \
-	pwmem.c \
-	remove_tree.c \
-	root_flag.c \
-	run_part.h \
-	run_part.c \
-	salt.c \
-	search/cmp/cmp.c \
-	search/cmp/cmp.h \
-	search/l/lfind.c \
-	search/l/lfind.h \
-	search/l/lsearch.c \
-	search/l/lsearch.h \
-	search/sort/qsort.c \
-	search/sort/qsort.h \
-	selinux.c \
-	semanage.c \
-	setugid.c \
-	setupenv.c \
-	sgroupio.c \
-	sgroupio.h \
-	shadow/group/sgetgrent.c \
-	shadow/group/sgetgrent.h \
-	shadow/grp/agetgroups.c \
-	shadow/grp/agetgroups.h \
-	shadow/gshadow/endsgent.c \
-	shadow/gshadow/endsgent.h \
-	shadow/gshadow/fgetsgent.c \
-	shadow/gshadow/fgetsgent.h \
-	shadow/gshadow/getsgent.c \
-	shadow/gshadow/getsgent.h \
-	shadow/gshadow/getsgnam.c \
-	shadow/gshadow/getsgnam.h \
-	shadow/gshadow/gshadow.c \
-	shadow/gshadow/gshadow.h \
-	shadow/gshadow/putsgent.c \
-	shadow/gshadow/putsgent.h \
-	shadow/gshadow/setsgent.c \
-	shadow/gshadow/setsgent.h \
-	shadow/gshadow/sgetsgent.c \
-	shadow/gshadow/sgetsgent.h \
-	shadow/gshadow/sgrp.c \
-	shadow/gshadow/sgrp.h \
-	shadow/passwd/sgetpwent.c \
-	shadow/passwd/sgetpwent.h \
-	shadow/shadow/sgetspent.c \
-	shadow/shadow/sgetspent.h \
-	shadowio.c \
-	shadowio.h \
-	shadowlog.c \
-	shadowlog.h \
-	shadowlog_internal.h \
-	shadowmem.c \
-	shell.c \
-	sizeof.h \
-	spawn.c \
-	sssd.c \
-	sssd.h \
-	string/ctype/strchrisascii/strchriscntrl.c \
-	string/ctype/strchrisascii/strchriscntrl.h \
-	string/ctype/strisascii/strisdigit.c \
-	string/ctype/strisascii/strisdigit.h \
-	string/ctype/strisascii/strisprint.c \
-	string/ctype/strisascii/strisprint.h \
-	string/ctype/strtoascii/strtolower.c \
-	string/ctype/strtoascii/strtolower.h \
-	string/memset/memzero.c \
-	string/memset/memzero.h \
-	string/sprintf/aprintf.c \
-	string/sprintf/aprintf.h \
-	string/sprintf/snprintf.c \
-	string/sprintf/snprintf.h \
-	string/sprintf/stpeprintf.c \
-	string/sprintf/stpeprintf.h \
-	string/strchr/strchrcnt.c \
-	string/strchr/strchrcnt.h \
-	string/strchr/strchrscnt.c \
-	string/strchr/strchrscnt.h \
-	string/strchr/strnul.c \
-	string/strchr/strnul.h \
-	string/strcmp/strcaseeq.c \
-	string/strcmp/strcaseeq.h \
-	string/strcmp/strcaseprefix.c \
-	string/strcmp/strcaseprefix.h \
-	string/strcmp/streq.c \
-	string/strcmp/streq.h \
-	string/strcmp/strneq.c \
-	string/strcmp/strneq.h \
-	string/strcmp/strprefix.c \
-	string/strcmp/strprefix.h \
-	string/strcpy/stpecpy.c \
-	string/strcpy/stpecpy.h \
-	string/strcpy/strncat.c \
-	string/strcpy/strncat.h \
-	string/strcpy/strncpy.c \
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-	string/strdup/strdup.c \
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-	string/strdup/strndupa.h \
-	string/strdup/strndup.c \
-	string/strdup/strndup.h \
-	string/strerrno.c \
-	string/strerrno.h \
-	string/strftime.c \
-	string/strftime.h \
-	string/strspn/stpspn.c \
-	string/strspn/stpspn.h \
-	string/strspn/stprcspn.c \
-	string/strspn/stprcspn.h \
-	string/strspn/stprspn.c \
-	string/strspn/stprspn.h \
-	string/strspn/strrcspn.c \
-	string/strspn/strrcspn.h \
-	string/strspn/strrspn.c \
-	string/strspn/strrspn.h \
-	string/strtok/stpsep.c \
-	string/strtok/stpsep.h \
-	string/strtok/astrsep2ls.c \
-	string/strtok/astrsep2ls.h \
-	string/strtok/strsep2arr.c \
-	string/strtok/strsep2arr.h \
-	string/strtok/strsep2ls.c \
-	string/strtok/strsep2ls.h \
-	strtoday.c \
-	sub.c \
-	subordinateio.h \
-	subordinateio.c \
-	sulog.c \
-	time/day_to_str.c \
-	time/day_to_str.h \
-	ttytype.c \
-	typetraits.h \
-	tz.c \
-	ulimit.c \
-	user_busy.c \
-	valid.c \
-	write_full.c \
-	xgetpwnam.c \
-	xprefix_getpwnam.c \
-	xgetpwuid.c \
-	xgetgrnam.c \
-	xgetgrgid.c \
-	xgetspnam.c \
-	yesno.c
-
-if WITH_TCB
-libshadow_la_SOURCES += tcbfuncs.c tcbfuncs.h
-endif
-
-if WITH_BTRFS
-libshadow_la_SOURCES += btrfs.c
-endif
-
-if ENABLE_LASTLOG
-libshadow_la_SOURCES += log.c
-endif
-
-if ENABLE_LOGIND
-libshadow_la_SOURCES += logind.c
-else
-libshadow_la_SOURCES += utmp.c
-endif
-
-if !WITH_LIBBSD
-libshadow_la_SOURCES += \
-	freezero.h \
-	freezero.c \
-	readpassphrase.h \
-	readpassphrase.c
-endif
-
-# These files are unneeded for some reason, listed in
-# order of appearance:
-#
-# sources for dbm support (not yet used)
-
-EXTRA_DIST = \
-	.indent.pro \
-	xgetXXbyYY.c

lib/addgrps.c

@@ -1,88 +0,0 @@
-// SPDX-FileCopyrightText: 1989-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2001-2006, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2007-2009, Nicolas François
-// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#if !defined(USE_PAM)
-
-#include "prototypes.h"
-#include "defines.h"
-
-#include <errno.h>
-#include <grp.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-
-#include "alloc/reallocf.h"
-#include "search/l/lsearch.h"
-#include "shadow/grp/agetgroups.h"
-#include "shadowlog.h"
-#include "string/strchr/strchrscnt.h"
-#include "string/strcmp/streq.h"
-#include "string/strerrno.h"
-
-
-/*
- * Add groups with names from LIST (separated by commas or colons)
- * to the supplementary group set.  Silently ignore groups which are
- * already there.
- */
-int
-add_groups(const char *list)
-{
-	char    *dup;
-	FILE *shadow_logfd = log_get_logfd();
-	gid_t   *gids;
-	size_t  n;
-
-	gids = agetgroups(&n);
-	if (gids == NULL)
-		return -1;
-
-	gids = reallocf_T(gids, n + strchrscnt(list, ",:") + 1, gid_t);
-	if (gids == NULL)
-		return -1;
-
-	dup = strdup(list);
-	if (dup == NULL)
-		goto free_gids;
-
-	if (!streq(dup, "")) {
-		char  *g, *p;
-
-		p = dup;
-		while (NULL != (g = strsep(&p, ",:"))) {
-			struct group  *grp;
-
-			grp = getgrnam(g); /* local, no need for xgetgrnam */
-			if (NULL == grp) {
-				fprintf(shadow_logfd, _("Warning: unknown group %s\n"), g);
-				continue;
-			}
-
-			LSEARCH(gid_t, &grp->gr_gid, gids, &n);
-		}
-	}
-	free(dup);
-
-	if (setgroups(n, gids) == -1) {
-		fprintf(shadow_logfd, "setgroups: %s\n", strerrno());
-		goto free_gids;
-	}
-
-	free(gids);
-	return 0;
-
-free_gids:
-	free(gids);
-	return -1;
-}
-#else				/* !USE_PAM */
-extern int ISO_C_forbids_an_empty_translation_unit;
-#endif				/* !USE_PAM */

lib/adds.c

@@ -1,13 +0,0 @@
-// SPDX-FileCopyrightText: 2023, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "adds.h"
-
-#include <stddef.h>
-
-
-extern inline long addsl2(long a, long b);
-extern inline long addslN(size_t n, long addend[n]);

lib/adds.h

@@ -1,70 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ADDS_H_
-#define SHADOW_INCLUDE_LIB_ADDS_H_
-
-
-#include "config.h"
-
-#include <errno.h>
-#include <limits.h>
-#include <stddef.h>
-
-#include "search/sort/qsort.h"
-#include "sizeof.h"
-
-
-#define addsl(a, b, ...)                                                      \
-({                                                                            \
-	long  addend_[] = {a, b, __VA_ARGS__};                                \
-                                                                              \
-	addslN(countof(addend_), addend_);                                    \
-})
-
-
-inline long addsl2(long a, long b);
-inline long addslN(size_t n, long addend[n]);
-
-
-inline long
-addsl2(long a, long b)
-{
-	if (a > 0 && b > LONG_MAX - a) {
-		errno = EOVERFLOW;
-		return LONG_MAX;
-	}
-	if (a < 0 && b < LONG_MIN - a) {
-		errno = EOVERFLOW;
-		return LONG_MIN;
-	}
-	return a + b;
-}
-
-
-inline long
-addslN(size_t n, long addend[n])
-{
-	int   e;
-
-	if (n == 0) {
-		errno = EDOM;
-		return 0;
-	}
-
-	e = errno;
-	while (n > 1) {
-		QSORT(long, addend, n);
-
-		errno = 0;
-		addend[0] = addsl2(addend[0], addend[--n]);
-		if (errno == EOVERFLOW)
-			return addend[0];
-	}
-	errno = e;
-	return addend[0];
-}
-
-
-#endif  // include guard

lib/age.c

@@ -1,182 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2001 - 2006, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <stdio.h>
-#include <time.h>
-#include <errno.h>
-#include <pwd.h>
-#include <grp.h>
-
-#include "adds.h"
-#include "defines.h"
-#include "exitcodes.h"
-#include "prototypes.h"
-#include "shadow/gshadow/endsgent.h"
-
-
-#ident "$Id$"
-
-#ifndef PASSWD_PROGRAM
-#define PASSWD_PROGRAM "/bin/passwd"
-#endif
-/*
- * expire - force password change if password expired
- *
- *	expire() calls /bin/passwd to change the user's password
- *	if it has expired.
- */
-int expire (const struct passwd *pw, /*@null@*/const struct spwd *sp)
-{
-	int status;
-	pid_t child;
-	pid_t pid;
-
-	if (NULL == sp) {
-		return 0;
-	}
-
-	/*
-	 * See if the user's password has expired, and if so
-	 * force them to change their password.
-	 */
-
-	status = isexpired (pw, sp);
-	switch (status) {
-	case 0:
-		return 0;
-	case 1:
-		(void) fputs (_("Your password has expired."), stdout);
-		break;
-	case 2:
-		(void) fputs (_("Your password is inactive."), stdout);
-		break;
-	case 3:
-		(void) fputs (_("Your login has expired."), stdout);
-		break;
-	}
-
-	/*
-	 * Setting the maximum valid period to less than the minimum
-	 * valid period means that the minimum period will never
-	 * occur while the password is valid, so the user can never
-	 * change that password.
-	 */
-
-	if ((status > 1) || (sp->sp_max < sp->sp_min)) {
-		(void) puts (_("  Contact the system administrator."));
-		exit (EXIT_FAILURE);
-	}
-	(void) puts (_("  Choose a new password."));
-	(void) fflush (stdout);
-
-	/*
-	 * Close all the files so that unauthorized access won't
-	 * occur.  This needs to be done anyway because those files
-	 * might become stale after "passwd" is executed.
-	 */
-
-	endspent ();
-	endpwent ();
-#ifdef SHADOWGRP
-	endsgent ();
-#endif
-	endgrent ();
-
-	/*
-	 * Execute the /bin/passwd command.  The exit status will be
-	 * examined to see what the result is.  If there are any
-	 * errors the routine will exit.  This forces the user to
-	 * change their password before being able to use the account.
-	 */
-
-	pid = fork ();
-	if (0 == pid) {
-		int err;
-
-		/*
-		 * Set the UID to be that of the user.  This causes
-		 * passwd to work just like it would had they executed
-		 * it from the command line while logged in.
-		 */
-#if !defined(USE_PAM)
-		if (setup_uid_gid (pw, false) != 0)
-#else
-		if (setup_uid_gid (pw) != 0)
-#endif
-		{
-			_exit (126);
-		}
-
-		(void) execl (PASSWD_PROGRAM, PASSWD_PROGRAM, pw->pw_name, (char *) NULL);
-		err = errno;
-		perror ("Can't execute " PASSWD_PROGRAM);
-		_exit ((ENOENT == err) ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
-	} else if ((pid_t) -1 == pid) {
-		perror ("fork");
-		exit (EXIT_FAILURE);
-	}
-
-	while (((child = wait (&status)) != pid) && (child != (pid_t)-1));
-
-	if ((child == pid) && (0 == status)) {
-		return 1;
-	}
-
-	exit (EXIT_FAILURE);
- /*@notreached@*/}
-
-/*
- * agecheck - see if warning is needed for password expiration
- *
- *	agecheck sees how many days until the user's password is going
- *	to expire and warns the user of the pending password expiration.
- */
-
-void agecheck (/*@null@*/const struct spwd *sp)
-{
-	long now = time(NULL) / DAY;
-	long remain;
-
-	if (NULL == sp) {
-		return;
-	}
-
-	/*
-	 * The last, max, and warn fields must be supported or the
-	 * warning period cannot be calculated.
-	 */
-
-	if (   (-1 == sp->sp_lstchg)
-	    || (-1 == sp->sp_max)
-	    || (-1 == sp->sp_warn)) {
-		return;
-	}
-
-	if (0 == sp->sp_lstchg) {
-		(void) puts (_("You must change your password."));
-		return;
-	}
-
-	remain = addsl(sp->sp_lstchg, sp->sp_max, -now);
-
-	if (remain <= sp->sp_warn) {
-		if (remain > 1) {
-			(void) printf (_("Your password will expire in %ld days.\n"),
-			               remain);
-		} else if (1 == remain) {
-			(void) puts (_("Your password will expire tomorrow."));
-		} else if (remain == 0) {
-			(void) puts (_("Your password will expire today."));
-		}
-	}
-}
-

lib/agetpass.c

@@ -1,145 +0,0 @@
-/*
- * SPDX-FileCopyrightText:  2022, Alejandro Colomar <alx@kernel.org>
- *
- * SPDX-License-Identifier:  BSD-3-Clause
- */
-
-
-#include "config.h"
-
-#include "agetpass.h"
-
-#include <limits.h>
-#include <readpassphrase.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ident "$Id$"
-
-#include "alloc/malloc.h"
-
-#if WITH_LIBBSD == 0
-#include "freezero.h"
-#endif /* WITH_LIBBSD */
-
-
-/*
- * SYNOPSIS
- *	[[gnu::malloc(erase_pass)]]
- *	char *agetpass(const char *prompt);
- *	char *agetpass_stdin();
- *
- *	void erase_pass(char *pass);
- *
- * ARGUMENTS
- *   agetpass()
- *	prompt	String to be printed before reading a password.
- *
- *   erase_pass()
- *	pass	password previously returned by agetpass().
- *
- * DESCRIPTION
- *   agetpass()
- *	This function is very similar to getpass(3).  It has several
- *	advantages compared to getpass(3):
- *
- *	- Instead of using a static buffer, agetpass() allocates memory
- *	  through malloc(3).  This makes the function thread-safe, and
- *	  also reduces the visibility of the buffer.
- *
- *	- agetpass() doesn't reallocate internally.  Some
- *	  implementations of getpass(3), such as glibc, do that, as a
- *	  consequence of calling getline(3).  That's a bug in glibc,
- *	  which allows leaking prefixes of passwords in freed memory.
- *
- *	- agetpass() doesn't overrun the output buffer.  If the input
- *	  password is too long, it simply fails.  Some implementations
- *	  of getpass(3), share the same bug that gets(3) has.
- *
- *	As soon as possible, the password obtained from agetpass() be
- *	erased by calling erase_pass(), to avoid possibly leaking the
- *	password.
- *
- *   agetpass_stdin()
- *	This function is the same as previous one (agetpass). Just the
- *	password is read from stdin and terminal is not required.
- *
- *   erase_pass()
- *	This function first clears the password, by calling
- *	explicit_bzero(3) (or an equivalent call), and then frees the
- *	allocated memory by calling free(3).
- *
- *	NULL is a valid input pointer, and in such a case, this call is
- *	a no-op.
- *
- * RETURN VALUE
- *	agetpass() returns a newly allocated buffer containing the
- *	password on success.  On error, errno is set to indicate the
- *	error, and NULL is returned.
- *
- * ERRORS
- *   agetpass()
- *	This function may fail for any errors that malloc(3) or
- *	readpassphrase(3) may fail, and in addition it may fail for the
- *	following errors:
- *
- *	ENOBUFS
- *		The input password was longer than PASS_MAX.
- *
- * CAVEATS
- *	If a password is passed twice to erase_pass(), the behavior is
- *	undefined.
- */
-
-
-static char *
-agetpass_internal(const char *prompt, int flags)
-{
-	char    *pass;
-	size_t  len;
-
-	/*
-	 * Since we want to support passwords upto PASS_MAX, we need
-	 * PASS_MAX bytes for the password itself, and one more byte for
-	 * the terminating '\0'.  We also want to detect truncation, and
-	 * readpassphrase(3) doesn't detect it, so we need some trick.
-	 * Let's add one more byte, and if the password uses it, it
-	 * means the introduced password was longer than PASS_MAX.
-	 */
-	pass = malloc_T(PASS_MAX + 2, char);
-	if (pass == NULL)
-		return NULL;
-
-	if (readpassphrase(prompt, pass, PASS_MAX + 2, flags) == NULL)
-		goto fail;
-
-	len = strlen(pass);
-	if (len == PASS_MAX + 1) {
-		errno = ENOBUFS;
-		goto fail;
-	}
-
-	return pass;
-
-fail:
-	freezero(pass, PASS_MAX + 2);
-	return NULL;
-}
-
-char *
-agetpass(const char *prompt)
-{
-	return agetpass_internal(prompt, RPP_REQUIRE_TTY);
-}
-
-char *
-agetpass_stdin()
-{
-	return agetpass_internal("", RPP_STDIN);
-}
-
-void
-erase_pass(char *pass)
-{
-	freezero(pass, PASS_MAX + 2);
-}

lib/agetpass.h

@@ -1,23 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022-2023, Alejandro Colomar <alx@kernel.org>
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-
-#ifndef SHADOW_INCLUDE_LIB_AGETPASS_H_
-#define SHADOW_INCLUDE_LIB_AGETPASS_H_
-
-
-#include "config.h"
-
-#include "attr.h"
-#include "defines.h"
-
-
-void erase_pass(char *pass);
-ATTR_MALLOC(erase_pass)
-char *agetpass(const char *prompt);
-char *agetpass_stdin();
-
-
-#endif  // include guard

lib/alloc/calloc.c

@@ -1,11 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2003-2006, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2008     , Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "alloc/calloc.h"

lib/alloc/calloc.h

@@ -1,29 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ALLOC_CALLOC_H_
-#define SHADOW_INCLUDE_LIB_ALLOC_CALLOC_H_
-
-
-#include "config.h"
-
-#include <stdlib.h>
-
-#include "exit_if_null.h"
-#include "sizeof.h"
-
-
-// calloc_T - calloc type-safe
-#define calloc_T(n, T)   calloc_T_(n, typeas(T))
-#define calloc_T_(n, T)                                               \
-({                                                                    \
-	(T *){calloc(n, sizeof(T))};                                  \
-})
-
-
-// xcalloc_T - exit-on-error calloc type-safe
-#define xcalloc_T(n, T)  exit_if_null(calloc_T(n, T))
-
-
-#endif  // include guard

lib/alloc/malloc.c

@@ -1,16 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2003-2006, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2008     , Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "alloc/malloc.h"
-
-#include <stddef.h>
-
-
-extern inline void *mallocarray(size_t nmemb, size_t size);

lib/alloc/malloc.h

@@ -1,43 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ALLOC_MALLOC_H_
-#define SHADOW_INCLUDE_LIB_ALLOC_MALLOC_H_
-
-
-#include "config.h"
-
-#include <stdlib.h>
-
-#include "attr.h"
-#include "exit_if_null.h"
-#include "sizeof.h"
-
-
-// malloc_T - malloc type-safe
-#define malloc_T(n, T)   malloc_T_(n, typeas(T))
-#define malloc_T_(n, T)                                               \
-({                                                                    \
-	(T *){mallocarray(n, sizeof(T))};                             \
-})
-
-
-// xmalloc_T - exit-on-error malloc type-safe
-#define xmalloc_T(n, T)  exit_if_null(malloc_T(n, T))
-
-
-// mallocarray - malloc array
-ATTR_ALLOC_SIZE(1, 2)
-ATTR_MALLOC(free)
-inline void *mallocarray(size_t nmemb, size_t size);
-
-
-inline void *
-mallocarray(size_t nmemb, size_t size)
-{
-	return reallocarray(NULL, nmemb, size);
-}
-
-
-#endif  // include guard

lib/alloc/realloc.c

@@ -1,11 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2003-2006, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2008     , Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "alloc/realloc.h"

lib/alloc/realloc.h

@@ -1,32 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ALLOC_REALLOC_H_
-#define SHADOW_INCLUDE_LIB_ALLOC_REALLOC_H_
-
-
-#include "config.h"
-
-#include <stdlib.h>
-
-#include "exit_if_null.h"
-#include "sizeof.h"
-
-
-// realloc_T - realloc type-safe
-#define realloc_T(p, n, T)   realloc_T_(p, n, typeas(T))
-#define realloc_T_(p, n, T)                                           \
-({                                                                    \
-	_Generic(p, T *: (void)0);                                    \
-	(T *){reallocarray_(p, n, sizeof(T))};                        \
-})
-
-#define reallocarray_(p, n, size)  reallocarray(p, (n) ?: 1, (size) ?: 1)
-
-
-// xrealloc_T - exit-on-error realloc type-safe
-#define xrealloc_T(p, n, T)  exit_if_null(realloc_T(p, n, T))
-
-
-#endif  // include guard

lib/alloc/reallocf.c

@@ -1,16 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2003-2006, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2008     , Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "alloc/reallocf.h"
-
-#include <stddef.h>
-
-
-extern inline void *reallocarrayf(void *p, size_t nmemb, size_t size);

lib/alloc/reallocf.h

@@ -1,48 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ALLOC_REALLOCF_H_
-#define SHADOW_INCLUDE_LIB_ALLOC_REALLOCF_H_
-
-
-#include "config.h"
-
-#include <stddef.h>
-#include <stdlib.h>
-
-#include "attr.h"
-#include "sizeof.h"
-
-
-// reallocf_T - realloc free-on-error type-safe
-#define reallocf_T(p, n, T)   reallocf_T_(p, n, typeas(T))
-#define reallocf_T_(p, n, T)                                          \
-({                                                                    \
-	_Generic(p, T *: (void)0);                                    \
-	(T *){reallocarrayf_(p, n, sizeof(T))};                       \
-})
-
-#define reallocarrayf_(p, n, size)  reallocarrayf(p, (n) ?: 1, (size) ?: 1)
-
-
-// reallocarrayf - realloc array free-on-error
-ATTR_ALLOC_SIZE(2, 3)
-ATTR_MALLOC(free)
-inline void *reallocarrayf(void *p, size_t nmemb, size_t size);
-
-
-inline void *
-reallocarrayf(void *p, size_t nmemb, size_t size)
-{
-	void  *q;
-
-	q = reallocarray(p, nmemb ?: 1, size ?: 1);
-
-	if (q == NULL)
-		free(p);
-	return q;
-}
-
-
-#endif  // include guard

lib/atoi/a2i.c

@@ -1,7 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "atoi/a2i.h"

lib/atoi/a2i.h

@@ -1,69 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ATOI_A2I_H_
-#define SHADOW_INCLUDE_LIB_ATOI_A2I_H_
-
-
-#include "config.h"
-
-#include <errno.h>
-#include <stddef.h>
-
-#include "atoi/strtoi/strtoi.h"
-#include "atoi/strtoi/strtou_noneg.h"
-#include "typetraits.h"
-
-
-// a2i - alpha to integer
-#define a2i(T, n, s, endp, base, min, max)                            \
-({                                                                    \
-	T            *n_ = n;                                         \
-	QChar_of(s)  **endp_ = endp;                                  \
-	T            min_ = min;                                      \
-	T            max_ = max;                                      \
-	                                                              \
-	int  status;                                                  \
-	                                                              \
-	*n_ = _Generic((T){0},                                        \
-		short:              strtoi_,                          \
-		int:                strtoi_,                          \
-		long:               strtoi_,                          \
-		long long:          strtoi_,                          \
-		unsigned short:     strtou_noneg,                     \
-		unsigned int:       strtou_noneg,                     \
-		unsigned long:      strtou_noneg,                     \
-		unsigned long long: strtou_noneg                      \
-	)(s, (char **) endp_, base, min_, max_, &status);             \
-	                                                              \
-	if (status != 0)                                              \
-		errno = status;                                       \
-	-!!status;                                                    \
-})
-
-
-#define a2sh(...)   a2i(short, __VA_ARGS__)
-#define a2si(...)   a2i(int, __VA_ARGS__)
-#define a2sl(...)   a2i(long, __VA_ARGS__)
-#define a2sll(...)  a2i(long long, __VA_ARGS__)
-
-#define a2uh(...)   a2i(unsigned short, __VA_ARGS__)
-#define a2ui(...)   a2i(unsigned int, __VA_ARGS__)
-#define a2ul(...)   a2i(unsigned long, __VA_ARGS__)
-#define a2ull(...)  a2i(unsigned long long, __VA_ARGS__)
-
-#define str2i(T, ...)  a2i(T, __VA_ARGS__, NULL, 0, type_min(T), type_max(T))
-
-#define str2sh(...)    str2i(short, __VA_ARGS__)
-#define str2si(...)    str2i(int, __VA_ARGS__)
-#define str2sl(...)    str2i(long, __VA_ARGS__)
-#define str2sll(...)   str2i(long long, __VA_ARGS__)
-
-#define str2uh(...)    str2i(unsigned short, __VA_ARGS__)
-#define str2ui(...)    str2i(unsigned int, __VA_ARGS__)
-#define str2ul(...)    str2i(unsigned long, __VA_ARGS__)
-#define str2ull(...)   str2i(unsigned long long, __VA_ARGS__)
-
-
-#endif  // include guard

lib/atoi/getnum.c

@@ -1,16 +0,0 @@
-// SPDX-FileCopyrightText: 2009, Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include <sys/types.h>
-
-#include "atoi/getnum.h"
-
-
-extern inline int get_fd(const char *restrict fdstr, int *restrict fd);
-extern inline int get_gid(const char *restrict gidstr, gid_t *restrict gid);
-extern inline int get_pid(const char *restrict pidstr, pid_t *restrict pid);
-extern inline int get_uid(const char *restrict uidstr, uid_t *restrict uid);

lib/atoi/getnum.h

@@ -1,59 +0,0 @@
-// SPDX-FileCopyrightText: 2009, Nicolas François
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ATOI_GETNUM_H_
-#define SHADOW_INCLUDE_LIB_ATOI_GETNUM_H_
-
-
-#include "config.h"
-
-#include <limits.h>
-#include <stddef.h>
-#include <sys/types.h>
-
-#include "atoi/a2i.h"
-#include "attr.h"
-#include "typetraits.h"
-
-
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
-inline int get_fd(const char *restrict fdstr, int *restrict fd);
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
-inline int get_gid(const char *restrict gidstr, gid_t *restrict gid);
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
-inline int get_pid(const char *restrict pidstr, pid_t *restrict pid);
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
-inline int get_uid(const char *restrict uidstr, uid_t *restrict uid);
-
-
-inline int
-get_fd(const char *restrict fdstr, int *restrict fd)
-{
-	return a2si(fd, fdstr, NULL, 10, 0, INT_MAX);
-}
-
-
-inline int
-get_gid(const char *restrict gidstr, gid_t *restrict gid)
-{
-	return a2i(gid_t, gid, gidstr, NULL, 10, type_min(gid_t), type_max(gid_t));
-}
-
-
-inline int
-get_pid(const char *restrict pidstr, pid_t *restrict pid)
-{
-	return a2i(pid_t, pid, pidstr, NULL, 10, 1, type_max(pid_t));
-}
-
-
-inline int
-get_uid(const char *restrict uidstr, uid_t *restrict uid)
-{
-	return a2i(uid_t, uid, uidstr, NULL, 10, type_min(uid_t), type_max(uid_t));
-}
-
-
-#endif  // include guard

lib/atoi/strtoi/strtoi.c

@@ -1,13 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "atoi/strtoi/strtoi.h"
-
-#include <stdint.h>
-
-
-extern inline intmax_t strtoi_(const char *s, char **restrict endp, int base,
-    intmax_t min, intmax_t max, int *restrict status);

lib/atoi/strtoi/strtoi.h

@@ -1,64 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOI_H_
-#define SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOI_H_
-
-
-#include "config.h"
-
-#include <errno.h>
-#include <inttypes.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/param.h>
-
-#include "attr.h"
-
-
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2) ATTR_ACCESS(write_only, 6)
-inline intmax_t strtoi_(const char *s, char **restrict endp, int base,
-    intmax_t min, intmax_t max, int *restrict status);
-
-
-inline intmax_t
-strtoi_(const char *s, char **restrict endp, int base,
-    intmax_t min, intmax_t max, int *restrict status)
-{
-	int        e, st;
-	char       *end;
-	intmax_t   n;
-
-	if (endp == NULL)
-		endp = &end;
-	if (status == NULL)
-		status = &st;
-
-	if (base != 0 && (base < 2 || base > 36)) {
-		*status = EINVAL;
-		return MAX(min, MIN(max, 0));
-	}
-
-	e = errno;
-	errno = 0;
-
-	n = strtoimax(s, endp, base);
-
-	if (*endp == s)
-		*status = ECANCELED;
-	else if (errno == ERANGE || n < min || n > max)
-		*status = ERANGE;
-	else if (**endp != '\0')
-		*status = ENOTSUP;
-	else
-		*status = 0;
-
-	errno = e;
-
-	return MAX(min, MIN(max, n));
-}
-
-
-#endif  // include guard

lib/atoi/strtoi/strtou.c

@@ -1,13 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "atoi/strtoi/strtou.h"
-
-#include <stdint.h>
-
-
-extern inline uintmax_t strtou_(const char *s, char **restrict endp, int base,
-    uintmax_t min, uintmax_t max, int *restrict status);

lib/atoi/strtoi/strtou.h

@@ -1,64 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOU_H_
-#define SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOU_H_
-
-
-#include "config.h"
-
-#include <errno.h>
-#include <inttypes.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/param.h>
-
-#include "attr.h"
-
-
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2) ATTR_ACCESS(write_only, 6)
-inline uintmax_t strtou_(const char *s, char **restrict endp, int base,
-    uintmax_t min, uintmax_t max, int *restrict status);
-
-
-inline uintmax_t
-strtou_(const char *s, char **restrict endp, int base,
-    uintmax_t min, uintmax_t max, int *restrict status)
-{
-	int        e, st;
-	char       *end;
-	uintmax_t  n;
-
-	if (endp == NULL)
-		endp = &end;
-	if (status == NULL)
-		status = &st;
-
-	if (base != 0 && (base < 2 || base > 36)) {
-		*status = EINVAL;
-		return MAX(min, 0);
-	}
-
-	e = errno;
-	errno = 0;
-
-	n = strtoumax(s, endp, base);
-
-	if (*endp == s)
-		*status = ECANCELED;
-	else if (errno == ERANGE || n < min || n > max)
-		*status = ERANGE;
-	else if (**endp != '\0')
-		*status = ENOTSUP;
-	else
-		*status = 0;
-
-	errno = e;
-
-	return MAX(min, MIN(max, n));
-}
-
-
-#endif  // include guard

lib/atoi/strtoi/strtou_noneg.c

@@ -1,13 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include "config.h"
-
-#include "atoi/strtoi/strtou_noneg.h"
-
-#include <stdint.h>
-
-
-extern inline uintmax_t strtou_noneg(const char *s, char **restrict endp,
-    int base, uintmax_t min, uintmax_t max, int *restrict status);

lib/atoi/strtoi/strtou_noneg.h

@@ -1,40 +0,0 @@
-// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOU_NONEG_H_
-#define SHADOW_INCLUDE_LIB_ATOI_STRTOI_STRTOU_NONEG_H_
-
-
-#include "config.h"
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#include "atoi/strtoi/strtoi.h"
-#include "atoi/strtoi/strtou.h"
-#include "attr.h"
-
-
-ATTR_STRING(1) ATTR_ACCESS(write_only, 2) ATTR_ACCESS(write_only, 6)
-inline uintmax_t strtou_noneg(const char *s, char **restrict endp,
-    int base, uintmax_t min, uintmax_t max, int *restrict status);
-
-
-inline uintmax_t
-strtou_noneg(const char *s, char **restrict endp, int base,
-    uintmax_t min, uintmax_t max, int *restrict status)
-{
-	int  st;
-
-	if (status == NULL)
-		status = &st;
-	if (strtoi_(s, endp, base, 0, 1, status) == 0 && *status == ERANGE)
-		return min;
-
-	return strtou_(s, endp, base, min, max, status);
-}
-
-
-#endif  // include guard

lib/attr.h

@@ -1,62 +0,0 @@
-#ifndef SHADOW_INCLUDE_LIB_ATTR_H_
-#define SHADOW_INCLUDE_LIB_ATTR_H_
-
-
-#include "config.h"
-
-
-#if !defined(__has_c_attribute)
-# define __has_c_attribute(x)  0
-#endif
-
-
-#if __has_c_attribute(maybe_unused)
-# define MAYBE_UNUSED                [[maybe_unused]]
-#else
-# define MAYBE_UNUSED
-#endif
-
-#if __has_c_attribute(noreturn)
-# define NORETURN                    [[noreturn]]
-#else
-# define NORETURN
-#endif
-
-#if __has_c_attribute(gnu::format)
-# define format_attr(type, fmt, va)  [[gnu::format(type, fmt, va)]]
-#else
-# define format_attr(type, fmt, va)
-#endif
-
-#if __has_c_attribute(gnu::access)
-# define ATTR_ACCESS(...)            [[gnu::access(__VA_ARGS__)]]
-#else
-# define ATTR_ACCESS(...)
-#endif
-
-#if __has_c_attribute(gnu::alloc_size)
-# define ATTR_ALLOC_SIZE(...)        [[gnu::alloc_size(__VA_ARGS__)]]
-#else
-# define ATTR_ALLOC_SIZE(...)
-#endif
-
-#if (__GNUC__ >= 11) && !defined(__clang__)
-# define ATTR_MALLOC(deallocator)    [[gnu::malloc(deallocator)]]
-#else
-# define ATTR_MALLOC(deallocator)
-#endif
-
-#if __has_c_attribute(gnu::null_terminated_string_arg)
-# define ATTR_STRING(i)              [[gnu::null_terminated_string_arg(i)]]
-#else
-# define ATTR_STRING(i)
-#endif
-
-#if __has_c_attribute(gnu::nonstring)
-# define ATTR_NONSTRING              [[gnu::nonstring]]
-#else
-# define ATTR_NONSTRING
-#endif
-
-
-#endif  // include guard

lib/audit_help.c

@@ -1,135 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2005       , Red Hat, Inc.
- * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2008       , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-/*
- *  Audit helper functions used throughout shadow
- *
- */
-
-#include "config.h"
-
-#ifdef WITH_AUDIT
-
-#include <stdlib.h>
-#include <syslog.h>
-#include <stdarg.h>
-#include <libaudit.h>
-#include <errno.h>
-#include <stdio.h>
-
-#include "attr.h"
-#include "prototypes.h"
-#include "shadowlog.h"
-#include "string/sprintf/snprintf.h"
-
-int audit_fd;
-
-void audit_help_open (void)
-{
-	audit_fd = audit_open ();
-	if (audit_fd < 0) {
-		/* You get these only when the kernel doesn't have
-		 * audit compiled in. */
-		if (   (errno == EINVAL)
-		    || (errno == EPROTONOSUPPORT)
-		    || (errno == EAFNOSUPPORT)) {
-			return;
-		}
-		(void) fputs (_("Cannot open audit interface - aborting.\n"),
-		              log_get_logfd());
-		exit (EXIT_FAILURE);
-	}
-}
-
-/*
- * This function will log a message to the audit system using a predefined
- * message format. For additional information on the user account lifecycle
- * events check
- * <https://github.com/linux-audit/audit-documentation/wiki/SPEC-User-Account-Lifecycle-Events>
- *
- * Parameter usage is as follows:
- *
- * type - type of message. A list of possible values is available in
- *        "audit-records.h" file.
- * op  -  operation. "adding user", "changing finger info", "deleting group"
- * name - user's account or group name. If not available use NULL.
- * id  -  uid or gid that the operation is being performed on. This is used
- *	  only when user is NULL.
- */
-void audit_logger (int type, const char *op,
-                   const char *name, unsigned int id,
-                   shadow_audit_result result)
-{
-	if (audit_fd < 0) {
-		return;
-	} else {
-		audit_log_acct_message (audit_fd, type, NULL, op, name, id,
-		                        NULL, NULL, NULL, result);
-	}
-}
-
-/*
- * This function will log a message to the audit system using a predefined
- * message format. For additional information on the group account lifecycle
- * events check
- * <https://github.com/linux-audit/audit-documentation/wiki/SPEC-User-Account-Lifecycle-Events>
- *
- * Parameter usage is as follows:
- *
- * type - type of message. A list of possible values is available in
- *        "audit-records.h" file.
- * op  -  operation. "adding-user", "modify-group", "deleting-user-from-group"
- * name - user's account or group name. If not available use NULL.
- * id  -  uid or gid that the operation is being performed on. This is used
- *	  only when user is NULL.
- * grp_type - type of group: "grp" or "new_group"
- * grp - group name associated with event
- */
-void
-audit_logger_with_group(int type, const char *op, const char *name,
-    id_t id, const char *grp_type, const char *grp,
-    shadow_audit_result result)
-{
-	int len;
-	char enc_group[GROUP_NAME_MAX_LENGTH * 2 + 1];
-	char buf[countof(enc_group) + 100];
-
-	if (audit_fd < 0)
-		return;
-
-	len = strnlen(grp, sizeof(enc_group)/2);
-	if (audit_value_needs_encoding(grp, len)) {
-		stprintf_a(buf, "%s %s=%s", op, grp_type,
-			audit_encode_value(enc_group, grp, len));
-	} else {
-		stprintf_a(buf, "%s %s=\"%s\"", op, grp_type, grp);
-	}
-
-	audit_log_acct_message(audit_fd, type, NULL, buf, name, id,
-		               NULL, NULL, NULL, result);
-}
-
-void audit_logger_message (const char *message, shadow_audit_result result)
-{
-	if (audit_fd < 0) {
-		return;
-	} else {
-		audit_log_user_message (audit_fd,
-		                        AUDIT_USYS_CONFIG,
-		                        message,
-		                        NULL, /* hostname */
-		                        NULL, /* addr */
-		                        NULL, /* tty */
-		                        result);
-	}
-}
-
-#else				/* WITH_AUDIT */
-extern int ISO_C_forbids_an_empty_translation_unit;
-#endif				/* WITH_AUDIT */
-

lib/basename.c

@@ -1,31 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-1997, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2003-2005, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-/*
- * basename.c - not worth copyrighting :-).  Some versions of Linux libc
- * already have basename(), other versions don't.  To avoid confusion,
- * we will not use the function from libc and use a different name here.
- * --marekm
- */
-
-#include "config.h"
-
-#include <stddef.h>
-#include <stdlib.h>
-
-#include "prototypes.h"
-#include "string/strspn/stprcspn.h"
-
-
-/*@observer@*/const char *
-Basename(const char *str)
-{
-	if (str == NULL) {
-		abort ();
-	}
-
-	return stprcspn(str, "/");
-}

lib/bit.c

@@ -1,19 +0,0 @@
-/*
- * SPDX-FileCopyrightText:  2022 - 2023, Alejandro Colomar <alx@kernel.org>
- *
- * SPDX-License-Identifier:  BSD-3-Clause
- */
-
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include "bit.h"
-
-#include <limits.h>
-
-
-extern inline unsigned long bit_ceilul(unsigned long x);
-extern inline unsigned long bit_ceil_wrapul(unsigned long x);
-extern inline int leading_zerosul(unsigned long x);

lib/bit.h

@@ -1,53 +0,0 @@
-/*
- * SPDX-FileCopyrightText:  2022 - 2023, Alejandro Colomar <alx@kernel.org>
- *
- * SPDX-License-Identifier:  BSD-3-Clause
- */
-
-
-#ifndef SHADOW_INCLUDE_LIB_BIT_H_
-#define SHADOW_INCLUDE_LIB_BIT_H_
-
-
-#include "config.h"
-
-#include <limits.h>
-
-
-#ifndef ULONG_WIDTH
-#define ULONG_WIDTH (sizeof(unsigned long) * CHAR_BIT)
-#endif
-
-
-inline unsigned long bit_ceilul(unsigned long x);
-inline unsigned long bit_ceil_wrapul(unsigned long x);
-inline int leading_zerosul(unsigned long x);
-
-
-/* stdc_bit_ceilul(3) */
-inline unsigned long
-bit_ceilul(unsigned long x)
-{
-	return 1 + (ULONG_MAX >> leading_zerosul(x));
-}
-
-
-/* stdc_bit_ceilul(3), but wrap instead of having Undefined Behavior */
-inline unsigned long
-bit_ceil_wrapul(unsigned long x)
-{
-	if (x == 0)
-		return 0;
-
-	return bit_ceilul(x);
-}
-
-/* stdc_leading_zerosul(3) */
-inline int
-leading_zerosul(unsigned long x)
-{
-	return (x == 0) ? ULONG_WIDTH : __builtin_clzl(x);
-}
-
-
-#endif  // include guard

lib/btrfs.c

@@ -1,110 +0,0 @@
-#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)
-{
-	struct stat sb;
-
-	return stat(p, &sb) == 0;
-}
-
-static const char *btrfs_cmd(void)
-{
-	const char *const 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 (!cmd || 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;
-}
-

lib/cast.h

@@ -1,15 +0,0 @@
-// SPDX-FileCopyrightText: 2022-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_CAST_H_
-#define SHADOW_INCLUDE_LIB_CAST_H_
-
-
-#include "config.h"
-
-
-#define const_cast(T, p)  _Generic(p, const T:  (T) (p))
-
-
-#endif  // include guard

lib/chkhash.c

@@ -1,82 +0,0 @@
-#include "config.h"
-
-#include "chkhash.h"
-
-#include <regex.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "string/strcmp/streq.h"
-#include "string/strcmp/strprefix.h"
-
-
-/*
- * match_regex - return true if match, false if not
- */
-bool 
-match_regex(const char *pattern, const char *string) 
-{
-	regex_t regex;
-	int result;
-
-	if (regcomp(&regex, pattern, REG_EXTENDED) != 0)
-		return false;
-
-	result = regexec(&regex, string, 0, NULL, 0);
-	regfree(&regex);
-
-	return result == 0;
-}
-
-
-/*
- * is_valid_hash - check if the given string is a valid password hash
- *
- * Returns true if the string appears to be a valid hash, false otherwise.
- *
- * regex from: https://man.archlinux.org/man/crypt.5.en
- */
-bool 
-is_valid_hash(const char *hash) 
-{
-	hash = strprefix(hash, "!") ?: hash;
-
-	// Passwordless account; discouraged
-	if (streq(hash, ""))
-		return true;
-
-	if (streq(hash, "*"))
-		return true;
-
-	// Minimum hash length
-	if (strlen(hash) < 13)
-		return false;
-
-	// Yescrypt: $y$ + algorithm parameters + $ + salt + $ + 43-char (minimum) hash
-	if (match_regex("^\\$y\\$[./A-Za-z0-9]+\\$[./A-Za-z0-9]{1,86}\\$[./A-Za-z0-9]{43}$", hash))
-		return true;
-
-	// Bcrypt: $2[abxy]$ + 2-digit cost + $ + 53-char hash
-	if (match_regex("^\\$2[abxy]\\$[0-9]{2}\\$[./A-Za-z0-9]{53}$", hash))
-		return true;
-
-	// SHA-512: $6$ + salt + $ + 86-char hash
-	if (match_regex("^\\$6\\$(rounds=[1-9][0-9]{3,8}\\$)?[^$:\\n]{1,16}\\$[./A-Za-z0-9]{86}$", hash))
-		return true;
-
-	// SHA-256: $5$ + salt + $ + 43-char hash
-	if (match_regex("^\\$5\\$(rounds=[1-9][0-9]{3,8}\\$)?[^$:\\n]{1,16}\\$[./A-Za-z0-9]{43}$", hash))
-		return true;
-
-	// MD5: $1$ + salt + $ + 22-char hash
-	if (match_regex("^\\$1\\$[^$:\\n]{1,8}\\$[./A-Za-z0-9]{22}$", hash))
-		return true;
-
-	// DES: exactly 13 characters from [A-Za-z0-9./]
-	if (match_regex("^[./A-Za-z0-9]{13}$", hash))
-		return true;
-
-	// Not a valid hash
-	return false;
-}

lib/chkhash.h

@@ -1,13 +0,0 @@
-#ifndef SHADOW_INCLUDE_CHKHASH_H
-#define SHADOW_INCLUDE_CHKHASH_H
-
-
-#include "config.h"
-
-#include <stdbool.h>
-
-
-bool is_valid_hash(const char *hash);
-
-
-#endif

lib/chkname.c

@@ -1,146 +0,0 @@
-// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
-// SPDX-FileCopyrightText: 1996-2000, Marek Michałkiewicz
-// SPDX-FileCopyrightText: 2001-2005, Tomasz Kłoczko
-// SPDX-FileCopyrightText: 2005-2008, Nicolas François
-// SPDX-FileCopyrightText: 2023-2025, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-/*
- * is_valid_user_name(), is_valid_group_name() - check the new user/group
- * name for validity;
- * return values:
- *   true  - OK
- *   false - bad name
- * errors:
- *   EINVAL	Invalid name
- *   EILSEQ	Invalid name character sequence (acceptable with --badname)
- *   EOVERFLOW	Name longer than maximum size
- */
-
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include <ctype.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "defines.h"
-#include "chkname.h"
-#include "string/ctype/strchrisascii/strchriscntrl.h"
-#include "string/ctype/strisascii/strisdigit.h"
-#include "string/strcmp/streq.h"
-#include "string/strcmp/strcaseeq.h"
-
-
-#ifndef  LOGIN_NAME_MAX
-# define LOGIN_NAME_MAX  256
-#endif
-
-
-int allow_bad_names = false;
-
-
-size_t
-login_name_max_size(void)
-{
-	long  conf;
-
-	conf = sysconf(_SC_LOGIN_NAME_MAX);
-	if (conf == -1)
-		return LOGIN_NAME_MAX;
-
-	return conf;
-}
-
-
-static bool
-is_valid_name(const char *name)
-{
-	if (streq(name, "")
-	 || streq(name, ".")
-	 || streq(name, "..")
-	 || strspn(name, "-")
-	 || strpbrk(name, " \"#',/:;")
-	 || strchriscntrl(name)
-	 || strisdigit(name))
-	{
-		errno = EINVAL;
-		return false;
-	}
-
-	if (allow_bad_names) {
-		return true;
-	}
-
-	/*
-	 * User/group names must match BRE regex:
-	 *    [a-zA-Z0-9_.][a-zA-Z0-9_.-]*$\?
-	 *
-	 * as a non-POSIX, extension, allow "$" as the last char for
-	 * sake of Samba 3.x "add machine script"
-	 */
-
-	if (!((*name >= 'a' && *name <= 'z') ||
-	      (*name >= 'A' && *name <= 'Z') ||
-	      (*name >= '0' && *name <= '9') ||
-	      *name == '_' ||
-	      *name == '.'))
-	{
-		errno = EILSEQ;
-		return false;
-	}
-
-	while (!streq(++name, "")) {
-		if (!((*name >= 'a' && *name <= 'z') ||
-		      (*name >= 'A' && *name <= 'Z') ||
-		      (*name >= '0' && *name <= '9') ||
-		      *name == '_' ||
-		      *name == '.' ||
-		      *name == '-' ||
-		      streq(name, "$")
-		     ))
-		{
-			errno = EILSEQ;
-			return false;
-		}
-	}
-
-	return true;
-}
-
-
-bool
-is_valid_user_name(const char *name)
-{
-	if (strlen(name) >= login_name_max_size()) {
-		errno = EOVERFLOW;
-		return false;
-	}
-
-	return is_valid_name(name);
-}
-
-
-bool
-is_valid_group_name(const char *name)
-{
-	/*
-	 * Arbitrary limit for group names.
-	 * HP-UX 10 limits to 16 characters
-	 */
-	if (   (GROUP_NAME_MAX_LENGTH > 0)
-	    && (strlen (name) > GROUP_NAME_MAX_LENGTH))
-	{
-		errno = EOVERFLOW;
-		return false;
-	}
-
-	return is_valid_name (name);
-}

lib/chkname.h

@@ -1,34 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1997 - 2000, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2008       , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-/* $Id$ */
-#ifndef _CHKNAME_H_
-#define _CHKNAME_H_
-
-
-/*
- * is_valid_user_name(), is_valid_group_name() - check the new user/group
- * name for validity;
- * return values:
- *   true  - OK
- *   false - bad name
- */
-
-
-#include "config.h"
-
-#include <stdbool.h>
-#include <stddef.h>
-
-
-extern size_t login_name_max_size(void);
-extern bool is_valid_user_name (const char *name);
-extern bool is_valid_group_name (const char *name);
-
-#endif

lib/chowndir.c

@@ -1,149 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1992 - 1993, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2010 -     , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include "defines.h"
-#include "prototypes.h"
-#include "string/strcmp/streq.h"
-
-
-static int chown_tree_at (int at_fd,
-                const char *path,
-                uid_t old_uid,
-                uid_t new_uid,
-                gid_t old_gid,
-                gid_t new_gid)
-{
-	DIR *dir;
-	const struct dirent *ent;
-	struct stat dir_sb;
-	int dir_fd, rc = 0;
-
-	dir_fd = openat (at_fd, path, O_RDONLY | O_DIRECTORY | O_NOFOLLOW | O_CLOEXEC);
-	if (dir_fd < 0) {
-		return -1;
-	}
-
-	dir = fdopendir (dir_fd);
-	if (!dir) {
-		(void) close (dir_fd);
-		return -1;
-	}
-
-	/*
-	 * Open the directory and read each entry.  Every entry is tested
-	 * to see if it is a directory, and if so this routine is called
-	 * recursively.  If not, it is checked to see if an ownership
-	 * shall be changed.
-	 */
-	while ((ent = readdir (dir))) {
-		uid_t tmpuid = (uid_t) -1;
-		gid_t tmpgid = (gid_t) -1;
-		struct stat ent_sb;
-
-		/*
-		 * Skip the "." and ".." entries
-		 */
-		if (   streq(ent->d_name, ".")
-		    || streq(ent->d_name, "..")) {
-			continue;
-		}
-
-		rc = fstatat (dirfd(dir), ent->d_name, &ent_sb, AT_SYMLINK_NOFOLLOW);
-		if (rc < 0) {
-			break;
-		}
-
-		if (S_ISDIR (ent_sb.st_mode)) {
-			/*
-			 * Do the entire subdirectory.
-			 */
-			rc = chown_tree_at (dirfd(dir), ent->d_name, old_uid, new_uid, old_gid, new_gid);
-			if (0 != rc) {
-				break;
-			}
-		}
-
-		/*
-		 * By default, the IDs are not changed (-1).
-		 *
-		 * If the file is not owned by the user, the owner is not
-		 * changed.
-		 *
-		 * If the file is not group-owned by the group, the
-		 * group-owner is not changed.
-		 */
-		if (((uid_t) -1 == old_uid) || (ent_sb.st_uid == old_uid)) {
-			tmpuid = new_uid;
-		}
-		if (((gid_t) -1 == old_gid) || (ent_sb.st_gid == old_gid)) {
-			tmpgid = new_gid;
-		}
-		if (((uid_t) -1 != tmpuid) || ((gid_t) -1 != tmpgid)) {
-			rc = fchownat (dirfd(dir), ent->d_name, tmpuid, tmpgid, AT_SYMLINK_NOFOLLOW);
-			if (0 != rc) {
-				break;
-			}
-		}
-	}
-
-	/*
-	 * Now do the root of the tree
-	 */
-	if ((0 == rc) && (fstat (dirfd(dir), &dir_sb) == 0)) {
-		uid_t tmpuid = (uid_t) -1;
-		gid_t tmpgid = (gid_t) -1;
-		if (((uid_t) -1 == old_uid) || (dir_sb.st_uid == old_uid)) {
-			tmpuid = new_uid;
-		}
-		if (((gid_t) -1 == old_gid) || (dir_sb.st_gid == old_gid)) {
-			tmpgid = new_gid;
-		}
-		if (((uid_t) -1 != tmpuid) || ((gid_t) -1 != tmpgid)) {
-			rc = fchown (dirfd(dir), tmpuid, tmpgid);
-		}
-	} else {
-		rc = -1;
-	}
-
-	(void) closedir (dir);
-
-	return rc;
-}
-
-/*
- * chown_tree - change ownership of files in a directory tree
- *
- *	chown_dir() walks a directory tree and changes the ownership
- *	of all files owned by the provided user ID.
- *
- *	Only files owned (resp. group-owned) by old_uid (resp. by old_gid)
- *	will have their ownership (resp. group-ownership) modified, unless
- *	old_uid (resp. old_gid) is set to -1.
- *
- *	new_uid and new_gid can be set to -1 to indicate that no owner or
- *	group-owner shall be changed.
- */
-int chown_tree (const char *root,
-                uid_t old_uid,
-                uid_t new_uid,
-                gid_t old_gid,
-                gid_t new_gid)
-{
-	return chown_tree_at (AT_FDCWD, root, old_uid, new_uid, old_gid, new_gid);
-}

lib/chowntty.c

@@ -1,79 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1996 - 2001, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-#include <errno.h>
-#include <grp.h>
-#include "prototypes.h"
-#include "defines.h"
-#include <pwd.h>
-#include "getdef.h"
-#include "shadowlog.h"
-
-/*
- *	chown_tty() sets the login tty to be owned by the new user ID
- *	with TTYPERM modes
- */
-
-void chown_tty (const struct passwd *info)
-{
-	struct group *grent;
-	gid_t gid;
-
-	/*
-	 * See if login.defs has some value configured for the port group
-	 * ID.  Otherwise, use the user's primary group ID.
-	 */
-
-	grent = getgr_nam_gid (getdef_str ("TTYGROUP"));
-	if (NULL != grent) {
-		gid = grent->gr_gid;
-		gr_free (grent);
-	} else {
-		gid = info->pw_gid;
-	}
-
-	/*
-	 * Change the permissions on the TTY to be owned by the user with
-	 * the group as determined above.
-	 */
-
-	if (   (fchown (STDIN_FILENO, info->pw_uid, gid) != 0)
-	    || (fchmod (STDIN_FILENO, getdef_num ("TTYPERM", 0600)) != 0)) {
-		int err = errno;
-		FILE *shadow_logfd = log_get_logfd();
-
-		fprintf (shadow_logfd,
-		         _("Unable to change owner or mode of tty stdin: %s"),
-		         strerror (err));
-		SYSLOG ((LOG_WARN,
-		         "unable to change owner or mode of tty stdin for user `%s': %s\n",
-		         info->pw_name, strerror (err)));
-		if (EROFS != err) {
-			closelog ();
-			exit (EXIT_FAILURE);
-		}
-	}
-#ifdef __linux__
-	/*
-	 * Please don't add code to chown /dev/vcs* to the user logging in -
-	 * it's a potential security hole.  I wouldn't like the previous user
-	 * to hold the file descriptor open and watch my screen.  We don't
-	 * have the *BSD revoke() system call yet, and vhangup() only works
-	 * for tty devices (which vcs* is not).  --marekm
-	 */
-#endif
-}
-

lib/cleanup.c

@@ -1,121 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2008 - 2011, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#include <assert.h>
-#include <stdio.h>
-
-#include "prototypes.h"
-
-/*
- * The cleanup_functions stack.
- */
-#define CLEANUP_FUNCTIONS 10
-
-typedef /*@null@*/void * parg_t;
-
-static cleanup_function cleanup_functions[CLEANUP_FUNCTIONS];
-static parg_t cleanup_function_args[CLEANUP_FUNCTIONS];
-static pid_t cleanup_pid = 0;
-
-/*
- * - Cleanup functions shall not fail.
- * - You should register do_cleanups with atexit.
- * - You should add cleanup functions to the stack with add_cleanup when
- *   an operation is expected to be executed later, and remove it from the
- *   stack with del_cleanup when it has been executed.
- *
- **/
-
-/*
- * do_cleanups - perform the actions stored in the cleanup_functions stack.
- *
- * Cleanup action are not executed on exit of the processes started by the
- * parent (first caller of add_cleanup).
- *
- * It is intended to be used as:
- *     atexit (do_cleanups);
- */
-void do_cleanups (void)
-{
-	unsigned int i;
-
-	/* Make sure there were no overflows */
-	assert (NULL == cleanup_functions[CLEANUP_FUNCTIONS-1]);
-
-	if (getpid () != cleanup_pid) {
-		return;
-	}
-
-	i = CLEANUP_FUNCTIONS;
-	do {
-		i--;
-		if (cleanup_functions[i] != NULL) {
-			cleanup_functions[i] (cleanup_function_args[i]);
-		}
-	} while (i>0);
-}
-
-/*
- * add_cleanup - Add a cleanup_function to the cleanup_functions stack.
- */
-void add_cleanup (/*@notnull@*/cleanup_function pcf, /*@null@*/void *arg)
-{
-	unsigned int i;
-	assert (NULL != pcf);
-
-	assert (NULL == cleanup_functions[CLEANUP_FUNCTIONS-2]);
-
-	if (0 == cleanup_pid) {
-		cleanup_pid = getpid ();
-	}
-
-	/* Add the cleanup_function at the end of the stack */
-	for (i=0; NULL != cleanup_functions[i]; i++);
-	cleanup_functions[i] = pcf;
-	cleanup_function_args[i] = arg;
-}
-
-/*
- * del_cleanup - Remove a cleanup_function from the cleanup_functions stack.
- */
-void del_cleanup (/*@notnull@*/cleanup_function pcf)
-{
-	unsigned int i;
-	assert (NULL != pcf);
-
-	/* Find the pcf cleanup function */
-	for (i=0; i<CLEANUP_FUNCTIONS; i++) {
-		if (cleanup_functions[i] == pcf) {
-			break;
-		}
-	}
-
-	/* Make sure the cleanup function was found */
-	assert (i<CLEANUP_FUNCTIONS);
-
-	/* Move the rest of the cleanup functions */
-	for (; i<CLEANUP_FUNCTIONS; i++) {
-		/* Make sure the cleanup function was specified only once */
-		assert (   (i == (CLEANUP_FUNCTIONS -1))
-		        || (cleanup_functions[i+1] != pcf));
-
-		if (i == (CLEANUP_FUNCTIONS -1)) {
-			cleanup_functions[i] = NULL;
-			cleanup_function_args[i] = NULL;
-		} else {
-			cleanup_functions[i] = cleanup_functions[i+1];
-			cleanup_function_args[i] = cleanup_function_args[i+1];
-		}
-
-		/* A NULL indicates the end of the stack */
-		if (NULL == cleanup_functions[i]) {
-			break;
-		}
-	}
-}
-

lib/cleanup_group.c

@@ -1,220 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2008       , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#include <assert.h>
-#include <stdio.h>
-
-#include "attr.h"
-#include "defines.h"
-#include "groupio.h"
-#include "sgroupio.h"
-#include "prototypes.h"
-#include "shadowlog.h"
-
-/*
- * cleanup_report_add_group - Report failure to add a group to the system
- *
- * It should be registered when it is decided to add a group to the system.
- */
-void cleanup_report_add_group (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR, "failed to add group %s", name));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_ADD_GROUP,
-	              "",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-/*
- * cleanup_report_del_group - Report failure to remove a group from the system
- *
- * It should be registered when it is decided to remove a group from the system.
- */
-void cleanup_report_del_group (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR, "failed to remove group %s", name));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_DEL_GROUP,
-	              "",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-void cleanup_report_mod_group (void *cleanup_info)
-{
-	const struct cleanup_info_mod *info;
-	info = (const struct cleanup_info_mod *)cleanup_info;
-
-	SYSLOG ((LOG_ERR,
-	         "failed to change %s (%s)",
-	         gr_dbname (),
-	         info->action));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_GRP_MGMT,
-	              info->audit_msg,
-	              info->name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-#ifdef SHADOWGRP
-void cleanup_report_mod_gshadow (void *cleanup_info)
-{
-	const struct cleanup_info_mod *info;
-	info = (const struct cleanup_info_mod *)cleanup_info;
-
-	SYSLOG ((LOG_ERR,
-	         "failed to change %s (%s)",
-	         sgr_dbname (),
-	         info->action));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_GRP_MGMT,
-	              info->audit_msg,
-	              info->name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-#endif
-
-/*
- * cleanup_report_add_group_group - Report failure to add a group to group
- *
- * It should be registered when it is decided to add a group to the
- * group database.
- */
-void cleanup_report_add_group_group (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR, "failed to add group %s to %s", name, gr_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_ADD_GROUP,
-	              "adding-group",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-#ifdef SHADOWGRP
-/*
- * cleanup_report_add_group_gshadow - Report failure to add a group to gshadow
- *
- * It should be registered when it is decided to add a group to the
- * gshadow database.
- */
-void cleanup_report_add_group_gshadow (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR, "failed to add group %s to %s", name, sgr_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_GRP_MGMT,
-	              "adding-shadow-group",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-#endif
-
-/*
- * cleanup_report_del_group_group - Report failure to remove a group from the
- *                                  regular group database
- *
- * It should be registered when it is decided to remove a group from the
- * regular group database.
- */
-void cleanup_report_del_group_group (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR,
-	         "failed to remove group %s from %s",
-	         name, gr_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_DEL_GROUP,
-	              "removing-group",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-#ifdef SHADOWGRP
-/*
- * cleanup_report_del_group_gshadow - Report failure to remove a group from
- *                                    gshadow
- *
- * It should be registered when it is decided to remove a group from the
- * gshadow database.
- */
-void cleanup_report_del_group_gshadow (void *group_name)
-{
-	const char *name = group_name;
-
-	SYSLOG ((LOG_ERR,
-	         "failed to remove group %s from %s",
-	         name, sgr_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_GRP_MGMT,
-	              "removing-shadow-group",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-#endif
-
-/*
- * cleanup_unlock_group - Unlock the group file
- *
- * It should be registered after the group file is successfully locked.
- */
-void cleanup_unlock_group (void *process_selinux)
-{
-	bool process = *((bool *) process_selinux);
-
-	if (gr_unlock (process) == 0) {
-		fprintf (log_get_logfd(),
-		         _("%s: failed to unlock %s\n"),
-		         log_get_progname(), gr_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", gr_dbname ()));
-#ifdef WITH_AUDIT
-		audit_logger_message ("unlocking-group",
-		                      SHADOW_AUDIT_FAILURE);
-#endif
-	}
-}
-
-#ifdef SHADOWGRP
-/*
- * cleanup_unlock_gshadow - Unlock the gshadow file
- *
- * It should be registered after the gshadow file is successfully locked.
- */
-void cleanup_unlock_gshadow (void *process_selinux)
-{
-	bool process = *((bool *) process_selinux);
-
-	if (sgr_unlock (process) == 0) {
-		fprintf (log_get_logfd(),
-		         _("%s: failed to unlock %s\n"),
-		         log_get_progname(), sgr_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", sgr_dbname ()));
-#ifdef WITH_AUDIT
-		audit_logger_message ("unlocking-gshadow",
-		                      SHADOW_AUDIT_FAILURE);
-#endif
-	}
-}
-#endif
-

lib/cleanup_user.c

@@ -1,134 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2008       , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#include <assert.h>
-#include <stdio.h>
-
-#include "defines.h"
-#include "pwio.h"
-#include "shadowio.h"
-#include "prototypes.h"
-#include "shadowlog.h"
-
-/*
- * cleanup_report_add_user - Report failure to add a user to the system
- *
- * It should be registered when it is decided to add a user to the system.
- */
-void cleanup_report_add_user (void *user_name)
-{
-	const char *name = user_name;
-
-	SYSLOG ((LOG_ERR, "failed to add user %s", name));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_ADD_USER,
-	              "",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-void cleanup_report_mod_passwd (void *cleanup_info)
-{
-	const struct cleanup_info_mod *info;
-	info = (const struct cleanup_info_mod *)cleanup_info;
-
-	SYSLOG ((LOG_ERR,
-	         "failed to change %s (%s)",
-	         pw_dbname (),
-	         info->action));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_USER_MGMT,
-	              info->audit_msg,
-	              info->name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-/*
- * cleanup_report_add_user_passwd - Report failure to add a user to
- * /etc/passwd
- *
- * It should be registered when it is decided to add a user to the
- * /etc/passwd database.
- */
-void cleanup_report_add_user_passwd (void *user_name)
-{
-	const char *name = user_name;
-
-	SYSLOG ((LOG_ERR, "failed to add user %s to %s", name, pw_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_ADD_USER,
-	              "adding-user",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-/*
- * cleanup_report_add_user_shadow - Report failure to add a user to
- * /etc/shadow
- *
- * It should be registered when it is decided to add a user to the
- * /etc/shadow database.
- */
-void cleanup_report_add_user_shadow (void *user_name)
-{
-	const char *name = user_name;
-
-	SYSLOG ((LOG_ERR, "failed to add user %s to %s", name, spw_dbname ()));
-#ifdef WITH_AUDIT
-	audit_logger (AUDIT_USER_MGMT,
-	              "adding-shadow-user",
-	              name, AUDIT_NO_ID,
-	              SHADOW_AUDIT_FAILURE);
-#endif
-}
-
-/*
- * cleanup_unlock_passwd - Unlock the /etc/passwd database
- *
- * It should be registered after the passwd database is successfully locked.
- */
-void cleanup_unlock_passwd (void *process_selinux)
-{
-	bool process = *((bool *) process_selinux);
-
-	if (pw_unlock (process) == 0) {
-		fprintf (log_get_logfd(),
-		         _("%s: failed to unlock %s\n"),
-		         log_get_progname(), pw_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
-#ifdef WITH_AUDIT
-		audit_logger_message ("unlocking-passwd",
-		                      SHADOW_AUDIT_FAILURE);
-#endif
-	}
-}
-
-/*
- * cleanup_unlock_shadow - Unlock the /etc/shadow database
- *
- * It should be registered after the shadow database is successfully locked.
- */
-void cleanup_unlock_shadow (void *process_selinux)
-{
-	bool process = *((bool *) process_selinux);
-
-	if (spw_unlock (process) == 0) {
-		fprintf (log_get_logfd(),
-		         _("%s: failed to unlock %s\n"),
-		         log_get_progname(), spw_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ()));
-#ifdef WITH_AUDIT
-		audit_logger_message ("unlocking-shadow",
-		                      SHADOW_AUDIT_FAILURE);
-#endif
-	}
-}
-

lib/commonio.h

@@ -1,141 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-/* $Id$ */
-#ifndef COMMONIO_H
-#define COMMONIO_H
-
-
-#include "attr.h"
-#include "defines.h" /* bool */
-
-
-/*
- * Linked list entry.
- */
-struct commonio_entry {
-	/*@null@*/char *line;
-	/*@null@*/void *eptr;		/* struct passwd, struct spwd, ... */
-	/*@dependent@*/ /*@null@*/struct commonio_entry *prev;
-	/*@owned@*/ /*@null@*/struct commonio_entry *next;
-	bool changed:1;
-};
-
-/*
- * Operations depending on database type: passwd, group, shadow etc.
- */
-struct commonio_ops {
-	/*
-	 * Make a copy of the object (for example, struct passwd)
-	 * and all strings pointed by it, in malloced memory.
-	 */
-	/*@null@*/ /*@only@*/void *(*cio_dup)(const void *);
-
-	/*
-	 * free() the object including any strings pointed by it.
-	 */
-	void (*cio_free)(/*@only@*/void *);
-
-	/*
-	 * Return the name of the object (for example, pw_name
-	 * for struct passwd).
-	 */
-	const char *(*cio_getname)(const void *);
-
-	/*
-	 * Parse a string, return object (in static area -
-	 * should be copied using the dup operation above).
-	 */
-	void *(*cio_parse)(const char *);
-
-	/*
-	 * Write the object to the file (this calls putpwent()
-	 * for struct passwd, for example).
-	 */
-	int (*cio_put)(const void *, FILE *);
-
-	/*
-	 * open_hook and close_hook.
-	 * If non NULL, these functions will be called after the database
-	 * is open or before it is closed.
-	 * They return 0 on failure and 1 on success.
-	 */
-	/*@null@*/int (*cio_open_hook)(void);
-	/*@null@*/int (*cio_close_hook)(void);
-};
-
-/*
- * Database structure.
- */
-struct commonio_db {
-	/*
-	 * Name of the data file.
-	 */
-	char filename[1024];
-
-	/*
-	 * Operations from above.
-	 */
-	/*@observer@*/const struct commonio_ops *ops;
-
-	/*
-	 * Currently open file stream.
-	 */
-	/*@dependent@*/ /*@null@*/FILE *fp;
-
-#ifdef WITH_SELINUX
-	/*@null@*/char *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.
-	 */
-	/*@owned@*/ /*@null@*/struct commonio_entry *head;
-	/*@dependent@*/ /*@null@*/struct commonio_entry *tail;
-	/*@dependent@*/ /*@null@*/struct commonio_entry *cursor;
-
-	/*
-	 * Various flags.
-	 */
-	bool changed:1;
-	bool isopen:1;
-	bool locked:1;
-	bool readonly:1;
-	bool setname:1;
-};
-
-extern int commonio_setname (struct commonio_db *, const char *);
-extern bool commonio_present (const struct commonio_db *db);
-extern int commonio_lock (struct commonio_db *);
-extern int commonio_lock_nowait (struct commonio_db *, bool log);
-extern int do_fcntl_lock (const char *file, bool log, short type);
-extern int commonio_open (struct commonio_db *, int);
-extern /*@observer@*/ /*@null@*/const void *commonio_locate (struct commonio_db *, const char *);
-extern int commonio_update (struct commonio_db *, const void *);
-#ifdef ENABLE_SUBIDS
-extern int commonio_append (struct commonio_db *, const void *);
-#endif				/* ENABLE_SUBIDS */
-extern int commonio_remove (struct commonio_db *, const char *);
-extern int commonio_rewind (struct commonio_db *);
-extern /*@observer@*/ /*@null@*/const void *commonio_next (struct commonio_db *);
-extern int commonio_close (struct commonio_db *, bool);
-extern int commonio_unlock (struct commonio_db *, bool);
-extern void commonio_del_entry (struct commonio_db *,
-                                const struct commonio_entry *);
-extern int commonio_sort_wrt (struct commonio_db *shadow,
-                              const struct commonio_db *passwd);
-extern int commonio_sort (struct commonio_db *db,
-                          int (*cmp) (const void *, const void *));
-
-#endif

lib/console.c

@@ -1,111 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1991       , Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1991       , Chip Rosenthal
- * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "defines.h"
-#include "getdef.h"
-#include "prototypes.h"
-#include "string/strcmp/streq.h"
-#include "string/strcmp/strprefix.h"
-#include "string/strcpy/strtcpy.h"
-#include "string/strtok/stpsep.h"
-
-
-/*
- * This is now rather generic function which decides if "tty" is listed
- * under "cfgin" in config (directly or indirectly). Fallback to default if
- * something is bad.
- */
-static bool
-is_listed(const char *cfgin, const char *tty, bool def)
-{
-	FILE *fp;
-	char buf[1024], *s;
-	const char *cons;
-
-	/*
-	 * If the CONSOLE configuration definition isn't given,
-	 * fallback to default.
-	 */
-
-	cons = getdef_str (cfgin);
-	if (NULL == cons) {
-		return def;
-	}
-
-	/*
-	 * If this isn't a filename, then it is a ":" delimited list of
-	 * console devices upon which root logins are allowed.
-	 */
-
-	if (*cons != '/') {
-		char *pbuf;
-
-		strtcpy_a(buf, cons);
-		pbuf = buf;
-		while (NULL != (s = strsep(&pbuf, ":"))) {
-			if (streq(s, tty)) {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/*
-	 * If we can't open the console list, then call everything a
-	 * console - otherwise root will never be allowed to login.
-	 */
-
-	fp = fopen (cons, "r");
-	if (NULL == fp) {
-		return def;
-	}
-
-	/*
-	 * See if this tty is listed in the console file.
-	 */
-
-	while (fgets(buf, sizeof(buf), fp) != NULL) {
-		stpsep(buf, "\n");
-		if (streq(buf, tty)) {
-			(void) fclose (fp);
-			return true;
-		}
-	}
-
-	/*
-	 * This tty isn't a console.
-	 */
-
-	(void) fclose (fp);
-	return false;
-}
-
-/*
- * console - return 1 if the "tty" is a console device, else 0.
- *
- * Note - we need to take extreme care here to avoid locking out root logins
- * if something goes awry.  That's why we do things like call everything a
- * console if the consoles file can't be opened.  Because of this, we must
- * warn the user to protect against the remove of the consoles file since
- * that would allow an unauthorized root login.
- */
-
-bool console (const char *tty)
-{
-	tty = strprefix(tty, "/dev/") ?: tty;
-
-	return is_listed ("CONSOLE", tty, true);
-}
-

lib/copydir.c

@@ -1,889 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh
- * SPDX-FileCopyrightText: 1996 - 2001, Marek Michałkiewicz
- * SPDX-FileCopyrightText: 2003 - 2006, Tomasz Kłoczko
- * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include <assert.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "alloc/malloc.h"
-#include "attr.h"
-#include "fs/readlink/areadlink.h"
-#include "prototypes.h"
-#include "defines.h"
-#ifdef WITH_SELINUX
-#include <selinux/selinux.h>
-#endif				/* WITH_SELINUX */
-#if defined(WITH_ACL) || defined(WITH_ATTR)
-#include <stdarg.h>
-#include <attr/error_context.h>
-#endif				/* WITH_ACL || WITH_ATTR */
-#ifdef WITH_ACL
-#include <acl/libacl.h>
-#endif				/* WITH_ACL */
-#ifdef WITH_ATTR
-#include <attr/libattr.h>
-#endif				/* WITH_ATTR */
-#include "shadowlog.h"
-#include "string/sprintf/aprintf.h"
-#include "string/strcmp/streq.h"
-#include "string/strcmp/strprefix.h"
-#include "string/strerrno.h"
-
-
-static /*@null@*/const char *src_orig;
-static /*@null@*/const char *dst_orig;
-
-struct link_name {
-	dev_t ln_dev;
-	ino_t ln_ino;
-	nlink_t ln_count;
-	char *ln_name;
-	/*@dependent@*/struct link_name *ln_next;
-};
-static /*@exposed@*/struct link_name *links;
-
-struct path_info {
-	const char *full_path;
-	int dirfd;
-	const char *name;
-};
-
-static int copy_entry (const struct path_info *src, const struct path_info *dst,
-                       bool reset_selinux,
-                       uid_t old_uid, uid_t new_uid,
-                       gid_t old_gid, gid_t new_gid);
-static int copy_dir (const struct path_info *src, const struct path_info *dst,
-                     bool reset_selinux,
-                     const struct stat *statp, const struct timespec mt[],
-                     uid_t old_uid, uid_t new_uid,
-                     gid_t old_gid, gid_t new_gid);
-static int copy_symlink (const struct path_info *src, const struct path_info *dst,
-                         const struct stat *statp, const struct timespec mt[],
-                         uid_t old_uid, uid_t new_uid,
-                         gid_t old_gid, gid_t new_gid);
-static int copy_hardlink (const struct path_info *dst,
-                          struct link_name *lp);
-static int copy_special (const struct path_info *src, const struct path_info *dst,
-                         bool reset_selinux,
-                         const struct stat *statp, const struct timespec mt[],
-                         uid_t old_uid, uid_t new_uid,
-                         gid_t old_gid, gid_t new_gid);
-static int copy_file (const struct path_info *src, const struct path_info *dst,
-                      bool reset_selinux,
-                      const struct stat *statp, const struct timespec mt[],
-                      uid_t old_uid, uid_t new_uid,
-                      gid_t old_gid, gid_t new_gid);
-static int chownat_if_needed (const struct path_info *dst, const struct stat *statp,
-                            uid_t old_uid, uid_t new_uid,
-                            gid_t old_gid, gid_t new_gid);
-static int fchown_if_needed (int fdst, const struct stat *statp,
-                             uid_t old_uid, uid_t new_uid,
-                             gid_t old_gid, gid_t new_gid);
-
-#if defined(WITH_ACL) || defined(WITH_ATTR)
-/*
- * error_acl - format the error messages for the ACL and EQ libraries.
- */
-format_attr(printf, 2, 3)
-static void
-error_acl(struct error_context *, const char *fmt, ...)
-{
-	va_list ap;
-	FILE *shadow_logfd = log_get_logfd();
-
-	/* ignore the case when destination does not support ACLs
-	 * or extended attributes */
-	if (ENOTSUP == errno) {
-		errno = 0;
-		return;
-	}
-
-	va_start (ap, fmt);
-	(void) fprintf (shadow_logfd, _("%s: "), log_get_progname());
-	if (vfprintf (shadow_logfd, fmt, ap) != 0) {
-		(void) fputs (_(": "), shadow_logfd);
-	}
-	(void) fprintf(shadow_logfd, "%s\n", strerrno());
-	va_end (ap);
-}
-
-static struct error_context ctx = {
-	error_acl, NULL, NULL
-};
-#endif				/* WITH_ACL || WITH_ATTR */
-
-#ifdef WITH_ACL
-static int perm_copy_path(const struct path_info *src,
-						  const struct path_info *dst,
-						  struct error_context *errctx)
-{
-	int src_fd, dst_fd, ret;
-
-	src_fd = openat(src->dirfd, src->name, O_RDONLY | O_NOFOLLOW | O_NONBLOCK | O_CLOEXEC);
-	if (src_fd < 0) {
-		return -1;
-	}
-
-	dst_fd = openat(dst->dirfd, dst->name, O_RDONLY | O_NOFOLLOW | O_NONBLOCK | O_CLOEXEC);
-	if (dst_fd < 0) {
-		(void) close (src_fd);
-		return -1;
-	}
-
-	ret = perm_copy_fd(src->full_path, src_fd, dst->full_path, dst_fd, errctx);
-	(void) close (src_fd);
-	(void) close (dst_fd);
-	return ret;
-}
-#endif				/* WITH_ACL */
-
-#ifdef WITH_ATTR
-static int attr_copy_path(const struct path_info *src,
-						  const struct path_info *dst,
-						  int (*callback) (const char *, struct error_context *),
-						  struct error_context *errctx)
-{
-	int src_fd, dst_fd, ret;
-
-	src_fd = openat(src->dirfd, src->name, O_RDONLY | O_NOFOLLOW | O_NONBLOCK | O_CLOEXEC);
-	if (src_fd < 0) {
-		return -1;
-	}
-
-	dst_fd = openat(dst->dirfd, dst->name, O_RDONLY | O_NOFOLLOW | O_NONBLOCK | O_CLOEXEC);
-	if (dst_fd < 0) {
-		(void) close (src_fd);
-		return -1;
-	}
-
-	ret = attr_copy_fd(src->full_path, src_fd, dst->full_path, dst_fd, callback, errctx);
-	(void) close (src_fd);
-	(void) close (dst_fd);
-	return ret;
-}
-#endif				/* WITH_ATTR */
-
-/*
- * remove_link - delete a link from the linked list
- */
-static void remove_link (/*@only@*/struct link_name *ln)
-{
-	struct link_name *lp;
-
-	if (links == ln) {
-		links = ln->ln_next;
-		free (ln->ln_name);
-		free (ln);
-		return;
-	}
-	for (lp = links; NULL !=lp; lp = lp->ln_next) {
-		if (lp->ln_next == ln) {
-			break;
-		}
-	}
-
-	if (NULL == lp) {
-		free (ln->ln_name);
-		free (ln);
-		return;
-	}
-
-	lp->ln_next = lp->ln_next->ln_next;
-	free (ln->ln_name);
-	free (ln);
-}
-
-/*
- * check_link - see if a file is really a link
- */
-
-static /*@exposed@*/ /*@null@*/struct link_name *check_link (const char *name, const struct stat *sb)
-{
-	struct link_name  *lp;
-
-	/* copy_tree () must be the entry point */
-	assert (NULL != src_orig);
-	assert (NULL != dst_orig);
-
-	for (lp = links; NULL != lp; lp = lp->ln_next) {
-		if ((lp->ln_dev == sb->st_dev) && (lp->ln_ino == sb->st_ino)) {
-			return lp;
-		}
-	}
-
-	if (sb->st_nlink == 1) {
-		return NULL;
-	}
-
-	lp = xmalloc_T(1, struct link_name);
-	lp->ln_dev = sb->st_dev;
-	lp->ln_ino = sb->st_ino;
-	lp->ln_count = sb->st_nlink;
-	lp->ln_name = xaprintf("%s%s", dst_orig, name + strlen(src_orig));
-	lp->ln_next = links;
-	links = lp;
-
-	return NULL;
-}
-
-static int copy_tree_impl (const struct path_info *src, const struct path_info *dst,
-               bool copy_root, bool reset_selinux,
-               uid_t old_uid, uid_t new_uid,
-               gid_t old_gid, gid_t new_gid)
-{
-	int dst_fd, src_fd, err = 0;
-	bool set_orig = false;
-	const struct dirent *ent;
-	DIR *dir;
-
-	if (copy_root) {
-		struct stat sb;
-
-		if (   fstatat (dst->dirfd, dst->name, &sb, 0) == 0
-		    || errno != ENOENT) {
-			return -1;
-		}
-
-		if (fstatat (src->dirfd, src->name, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
-			return -1;
-		}
-
-		if (!S_ISDIR (sb.st_mode)) {
-			fprintf (log_get_logfd(),
-			         "%s: %s is not a directory",
-			         log_get_progname(), src->full_path);
-			return -1;
-		}
-
-		return copy_entry (src, dst, reset_selinux,
-		                   old_uid, new_uid, old_gid, new_gid);
-	}
-
-	/*
-	 * Make certain both directories exist.  This routine is called
-	 * after the home directory is created, or recursively after the
-	 * target is created.  It assumes the target directory exists.
-	 */
-
-	src_fd = openat (src->dirfd, src->name, O_DIRECTORY | O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
-	if (src_fd < 0) {
-		return -1;
-	}
-
-	dst_fd = openat (dst->dirfd, dst->name, O_DIRECTORY | O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
-	if (dst_fd < 0) {
-		(void) close (src_fd);
-		return -1;
-	}
-
-	/*
-	 * Open the source directory and read each entry.  Every file
-	 * entry in the directory is copied with the UID and GID set
-	 * to the provided values.  As an added security feature only
-	 * regular files (and directories ...) are copied, and no file
-	 * is made set-ID.
-	 */
-	dir = fdopendir (src_fd);
-	if (NULL == dir) {
-		(void) close (src_fd);
-		(void) close (dst_fd);
-		return -1;
-	}
-
-	if (src_orig == NULL) {
-		src_orig = src->full_path;
-		dst_orig = dst->full_path;
-		set_orig = true;
-	}
-	while (0 == err && NULL != (ent = readdir(dir))) {
-		char              *src_name = NULL;
-		char              *dst_name;
-		struct path_info  src_entry, dst_entry;
-		/*
-		 * Skip the "." and ".." entries
-		 */
-		if (streq(ent->d_name, ".") ||
-		    streq(ent->d_name, ".."))
-		{
-			continue;
-		}
-
-		src_name = aprintf("%s/%s", src->full_path, ent->d_name);
-		if (src_name == NULL) {
-			err = -1;
-			continue;
-		}
-		dst_name = aprintf("%s/%s", dst->full_path, ent->d_name);
-		if (dst_name == NULL) {
-			err = -1;
-			goto skip;
-		}
-
-		src_entry.full_path = src_name;
-		src_entry.dirfd = dirfd(dir);
-		src_entry.name = ent->d_name;
-
-		dst_entry.full_path = dst_name;
-		dst_entry.dirfd = dst_fd;
-		dst_entry.name = ent->d_name;
-
-		err = copy_entry(&src_entry, &dst_entry, reset_selinux,
-				 old_uid, new_uid, old_gid, new_gid);
-
-		free(dst_name);
-skip:
-		free(src_name);
-	}
-	(void) closedir (dir);
-	(void) close (dst_fd);
-
-	if (set_orig) {
-		src_orig = NULL;
-		dst_orig = NULL;
-		/* FIXME: clean links
-		 * Since there can be hardlinks elsewhere on the device,
-		 * we cannot check that all the hardlinks were found:
-		assert (NULL == links);
-		 */
-	}
-
-#ifdef WITH_SELINUX
-	/* Reset SELinux to create files with default contexts.
-	 * Note that the context is only reset on exit of copy_tree (it is
-	 * assumed that the program would quit without needing a restored
-	 * context if copy_tree failed previously), and that copy_tree can
-	 * be called recursively (hence the context is set on the
-	 * sub-functions of copy_entry).
-	 */
-	if (reset_selinux_file_context () != 0) {
-		err = -1;
-	}
-#endif				/* WITH_SELINUX */
-
-	return err;
-}
-
-/*
- * copy_entry - copy the entry of a directory
- *
- *	Copy the entry src to dst.
- *	Depending on the type of entry, this function will forward the
- *	request to copy_dir(), copy_symlink(), copy_hardlink(),
- *	copy_special(), or copy_file().
- *
- *	The access and modification time will not be modified.
- *
- *	The permissions will be set to new_uid/new_gid.
- *
- *	If new_uid (resp. new_gid) is equal to -1, the user (resp. group) will
- *	not be modified.
- *
- *	Only the files owned (resp. group-owned) by old_uid (resp.
- *	old_gid) will be modified, unless old_uid (resp. old_gid) is set
- *	to -1.
- */
-static int copy_entry (const struct path_info *src, const struct path_info *dst,
-                       bool reset_selinux,
-                       uid_t old_uid, uid_t new_uid,
-                       gid_t old_gid, gid_t new_gid)
-{
-	int err = 0;
-	struct stat sb;
-	struct stat tmp_sb;
-	struct link_name *lp;
-	struct timespec mt[2];
-
-	if (fstatat(src->dirfd, src->name, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
-		/* If we cannot stat the file, do not care. */
-		return 0;
-	}
-
-	mt[0].tv_sec  = sb.st_atim.tv_sec;
-	mt[0].tv_nsec = sb.st_atim.tv_nsec;
-
-	mt[1].tv_sec  = sb.st_mtim.tv_sec;
-	mt[1].tv_nsec = sb.st_mtim.tv_nsec;
-
-	if (S_ISDIR (sb.st_mode)) {
-		err = copy_dir (src, dst, reset_selinux, &sb, mt,
-				old_uid, new_uid, old_gid, new_gid);
-	}
-
-	/*
-	* If the destination already exists do nothing.
-	* This is after the copy_dir above to still iterate into subdirectories.
-	*/
-	if (fstatat(dst->dirfd, dst->name, &tmp_sb, AT_SYMLINK_NOFOLLOW) != -1) {
-		return err;
-	}
-
-	/*
-	* Copy any symbolic links
-	*/
-
-	else if (S_ISLNK (sb.st_mode)) {
-		err = copy_symlink (src, dst, &sb, mt,
-				    old_uid, new_uid, old_gid, new_gid);
-	}
-
-	/*
-	* See if this is a previously copied link
-	*/
-
-	else if ((lp = check_link (src->full_path, &sb)) != NULL) {
-		err = copy_hardlink (dst, lp);
-	}
-
-	/*
-	* Deal with FIFOs and special files.  The user really
-	* shouldn't have any of these, but it seems like it
-	* would be nice to copy everything ...
-	*/
-
-	else if (!S_ISREG (sb.st_mode)) {
-		err = copy_special (src, dst, reset_selinux, &sb, mt,
-				    old_uid, new_uid, old_gid, new_gid);
-	}
-
-	/*
-	* Create the new file and copy the contents.  The new
-	* file will be owned by the provided UID and GID values.
-	*/
-
-	else {
-		err = copy_file (src, dst, reset_selinux, &sb, mt,
-				 old_uid, new_uid, old_gid, new_gid);
-	}
-
-	return err;
-}
-
-/*
- * copy_dir - copy a directory
- *
- *	Copy a directory (recursively) from src to dst.
- *
- *	statp, mt, old_uid, new_uid, old_gid, and new_gid are used to set
- *	the access and modification and the access rights.
- *
- *	Return 0 on success, -1 on error.
- */
-static int copy_dir (const struct path_info *src, const struct path_info *dst,
-                     bool reset_selinux,
-                     const struct stat *statp, const struct timespec mt[],
-                     uid_t old_uid, uid_t new_uid,
-                     gid_t old_gid, gid_t new_gid)
-{
-	int err = 0;
-	struct stat dst_sb;
-
-	/*
-	 * Create a new target directory, make it owned by
-	 * the user and then recursively copy that directory.
-	 */
-
-#ifdef WITH_SELINUX
-	if (set_selinux_file_context (dst->full_path, S_IFDIR) != 0) {
-		return -1;
-	}
-#endif				/* WITH_SELINUX */
-	/*
-	 * If the destination is already a directory, don't change it
-	 * but copy into it (recursively).
-	 */
-	if (fstatat(dst->dirfd, dst->name, &dst_sb, AT_SYMLINK_NOFOLLOW) == 0 && S_ISDIR(dst_sb.st_mode)) {
-		return (copy_tree_impl (src, dst, false, reset_selinux,
-		               old_uid, new_uid, old_gid, new_gid) != 0);
-	}
-
-	if (   (mkdirat (dst->dirfd, dst->name, 0700) != 0)
-	    || (chownat_if_needed (dst, statp,
-	                         old_uid, new_uid, old_gid, new_gid) != 0)
-	    || (fchmodat (dst->dirfd, dst->name, statp->st_mode & 07777, AT_SYMLINK_NOFOLLOW) != 0)
-#ifdef WITH_ACL
-	    || (   (perm_copy_path (src, dst, &ctx) != 0)
-	        && (errno != 0))
-#endif				/* WITH_ACL */
-#ifdef WITH_ATTR
-	/*
-	 * If the third parameter is NULL, all extended attributes
-	 * except those that define Access Control Lists are copied.
-	 * ACLs are excluded by default because copying them between
-	 * file systems with and without ACL support needs some
-	 * additional logic so that no unexpected permissions result.
-	 */
-	    || (   !reset_selinux
-	        && (attr_copy_path (src, dst, NULL, &ctx) != 0)
-	        && (errno != 0))
-#endif				/* WITH_ATTR */
-	    || (copy_tree_impl (src, dst, false, reset_selinux,
-	                   old_uid, new_uid, old_gid, new_gid) != 0)
-	    || (utimensat (dst->dirfd, dst->name, mt, AT_SYMLINK_NOFOLLOW) != 0)) {
-		err = -1;
-	}
-
-	return err;
-}
-
-/*
- * copy_symlink - copy a symlink
- *
- *	Copy a symlink from src to dst.
- *
- *	statp, mt, old_uid, new_uid, old_gid, and new_gid are used to set
- *	the access and modification and the access rights.
- *
- *	Return 0 on success, -1 on error.
- */
-static int copy_symlink (const struct path_info *src, const struct path_info *dst,
-                         const struct stat *statp, const struct timespec mt[],
-                         uid_t old_uid, uid_t new_uid,
-                         gid_t old_gid, gid_t new_gid)
-{
-	char *oldlink;
-
-	/* copy_tree () must be the entry point */
-	assert (NULL != src_orig);
-	assert (NULL != dst_orig);
-
-	/*
-	 * Get the name of the file which the link points
-	 * to.  If that name begins with the original
-	 * source directory name, that part of the link
-	 * name will be replaced with the original
-	 * destination directory name.
-	 */
-
-	oldlink = areadlink(src->full_path);
-	if (NULL == oldlink)
-		return -1;
-
-	/* If src was a link to an entry of the src_orig directory itself,
-	 * create a link to the corresponding entry in the dst_orig
-	 * directory.
-	 */
-	if (strprefix(oldlink, src_orig)) {
-		char  *dummy;
-
-		dummy = xaprintf("%s%s", dst_orig, oldlink + strlen(src_orig));
-		free(oldlink);
-		oldlink = dummy;
-	}
-
-#ifdef WITH_SELINUX
-	if (set_selinux_file_context (dst->full_path, S_IFLNK) != 0) {
-		free (oldlink);
-		return -1;
-	}
-#endif				/* WITH_SELINUX */
-	if (   (symlinkat (oldlink, dst->dirfd, dst->name) != 0)
-	    || (chownat_if_needed (dst, statp,
-	                          old_uid, new_uid, old_gid, new_gid) != 0)) {
-		/* FIXME: there are no modes on symlinks, right?
-		 *        ACL could be copied, but this would be much more
-		 *        complex than calling perm_copy_file.
-		 *        Ditto for Extended Attributes.
-		 *        We currently only document that ACL and Extended
-		 *        Attributes are not copied.
-		 */
-		free (oldlink);
-		return -1;
-	}
-	free (oldlink);
-
-	if (utimensat (dst->dirfd, dst->name, mt, AT_SYMLINK_NOFOLLOW) != 0) {
-		return -1;
-	}
-
-	return 0;
-}
-
-/*
- * copy_hardlink - copy a hardlink
- *
- *	Copy a hardlink from src to dst.
- *
- *	Return 0 on success, -1 on error.
- */
-static int copy_hardlink (const struct path_info *dst,
-                          struct link_name *lp)
-{
-	/* FIXME: selinux, ACL, Extended Attributes needed? */
-
-	if (linkat (AT_FDCWD, lp->ln_name, dst->dirfd, dst->name, 0) != 0) {
-		return -1;
-	}
-
-	/* If the file could be unlinked, decrement the links counter,
-	 * and forget about this link if it was the last reference */
-	lp->ln_count--;
-	if (lp->ln_count <= 0) {
-		remove_link (lp);
-	}
-
-	return 0;
-}
-
-
-/*
- * copy_special - copy a special file
- *
- *	Copy a special file from src to dst.
- *
- *	statp, mt, old_uid, new_uid, old_gid, and new_gid are used to set
- *	the access and modification and the access rights.
- *
- *	Return 0 on success, -1 on error.
- */
-static int
-copy_special(MAYBE_UNUSED const struct path_info *src, const struct path_info *dst,
-             MAYBE_UNUSED bool reset_selinux,
-             const struct stat *statp, const struct timespec mt[],
-             uid_t old_uid, uid_t new_uid,
-             gid_t old_gid, gid_t new_gid)
-{
-#if defined(WITH_SELINUX)
-	if (set_selinux_file_context(dst->full_path, statp->st_mode & S_IFMT) != 0)
-		return -1;
-#endif
-
-	if (mknodat(dst->dirfd, dst->name, statp->st_mode & ~07777U, statp->st_rdev) == -1)
-		return -1;
-
-	if (chownat_if_needed(dst, statp, old_uid, new_uid, old_gid, new_gid) == -1)
-		return -1;
-
-	if (fchmodat(dst->dirfd, dst->name, statp->st_mode & 07777, AT_SYMLINK_NOFOLLOW) == -1)
-		return -1;
-
-#if defined(WITH_ACL)
-	if (perm_copy_path(src, dst, &ctx) == -1 && errno != 0)
-		return -1;
-#endif
-
-#if defined(WITH_ATTR)
-	/*
-	 * If the third parameter is NULL, all extended attributes
-	 * except those that define Access Control Lists are copied.
-	 * ACLs are excluded by default because copying them between
-	 * file systems with and without ACL support needs some
-	 * additional logic so that no unexpected permissions result.
-	 */
-	if (!reset_selinux) {
-		if (attr_copy_path(src, dst, NULL, &ctx) == -1 && errno != 0)
-			return -1;
-	}
-#endif
-
-	if (utimensat(dst->dirfd, dst->name, mt, AT_SYMLINK_NOFOLLOW) == -1)
-		return -1;
-
-	return 0;
-}
-
-/*
- * copy_file - copy a file
- *
- *	Copy a file from src to dst.
- *
- *	statp, mt, old_uid, new_uid, old_gid, and new_gid are used to set
- *	the access and modification and the access rights.
- *
- *	Return 0 on success, -1 on error.
- */
-static int copy_file (const struct path_info *src, const struct path_info *dst,
-                      MAYBE_UNUSED bool reset_selinux,
-                      const struct stat *statp, const struct timespec mt[],
-                      uid_t old_uid, uid_t new_uid,
-                      gid_t old_gid, gid_t new_gid)
-{
-	int err = 0;
-	int ifd;
-	int ofd;
-
-	ifd = openat (src->dirfd, src->name, O_RDONLY|O_NOFOLLOW|O_CLOEXEC);
-	if (ifd < 0) {
-		return -1;
-	}
-#ifdef WITH_SELINUX
-	if (set_selinux_file_context (dst->full_path, S_IFREG) != 0) {
-		(void) close (ifd);
-		return -1;
-	}
-#endif				/* WITH_SELINUX */
-	ofd = openat (dst->dirfd, dst->name, O_WRONLY | O_CREAT | O_EXCL | O_TRUNC | O_NOFOLLOW | O_CLOEXEC, 0600);
-	if (   (ofd < 0)
-	    || (fchown_if_needed (ofd, statp,
-	                          old_uid, new_uid, old_gid, new_gid) != 0)
-	    || (fchmod (ofd, statp->st_mode & 07777) != 0)
-#ifdef WITH_ACL
-	    || (   (perm_copy_fd (src->full_path, ifd, dst->full_path, ofd, &ctx) != 0)
-	        && (errno != 0))
-#endif				/* WITH_ACL */
-#ifdef WITH_ATTR
-	/*
-	 * If the third parameter is NULL, all extended attributes
-	 * except those that define Access Control Lists are copied.
-	 * ACLs are excluded by default because copying them between
-	 * file systems with and without ACL support needs some
-	 * additional logic so that no unexpected permissions result.
-	 */
-	    || (   !reset_selinux
-	        && (attr_copy_fd (src->full_path, ifd, dst->full_path, ofd, NULL, &ctx) != 0)
-	        && (errno != 0))
-#endif				/* WITH_ATTR */
-	   ) {
-		if (ofd >= 0) {
-			(void) close (ofd);
-		}
-		(void) close (ifd);
-		return -1;
-	}
-
-	while (true) {
-		char buf[8192];
-		ssize_t cnt;
-
-		cnt = read(ifd, buf, sizeof(buf));
-		if (cnt < 0) {
-			if (errno == EINTR) {
-				continue;
-			}
-			(void) close (ofd);
-			(void) close (ifd);
-			return -1;
-		}
-		if (cnt == 0) {
-			break;
-		}
-
-		if (write_full(ofd, buf, cnt) == -1) {
-			(void) close (ofd);
-			(void) close (ifd);
-			return -1;
-		}
-	}
-
-	(void) close (ifd);
-	if (close (ofd) != 0 && errno != EINTR) {
-		return -1;
-	}
-
-	if (utimensat (dst->dirfd, dst->name, mt, AT_SYMLINK_NOFOLLOW) != 0) {
-		return -1;
-	}
-
-	return err;
-}
-
-#define def_chown_if_needed(chown_function, type_dst)                  \
-static int chown_function ## _if_needed (type_dst dst,                 \
-                                         const struct stat *statp,     \
-                                         uid_t old_uid, uid_t new_uid, \
-                                         gid_t old_gid, gid_t new_gid) \
-{                                                                      \
-	uid_t tmpuid = (uid_t) -1;                                     \
-	gid_t tmpgid = (gid_t) -1;                                     \
-	                                                               \
-	/* Use new_uid if old_uid is set to -1 or if the file was      \
-	 * owned by the user. */                                       \
-	if (((uid_t) -1 == old_uid) || (statp->st_uid == old_uid)) {   \
-		tmpuid = new_uid;                                      \
-	}                                                              \
-	/* Otherwise, or if new_uid was set to -1, we keep the same    \
-	 * owner. */                                                   \
-	if ((uid_t) -1 == tmpuid) {                                    \
-		tmpuid = statp->st_uid;                                \
-	}                                                              \
-	                                                               \
-	if (((gid_t) -1 == old_gid) || (statp->st_gid == old_gid)) {   \
-		tmpgid = new_gid;                                      \
-	}                                                              \
-	if ((gid_t) -1 == tmpgid) {                                    \
-		tmpgid = statp->st_gid;                                \
-	}                                                              \
-	                                                               \
-	return chown_function (dst, tmpuid, tmpgid);                   \
-}
-
-def_chown_if_needed (fchown, int)
-
-static int chownat_if_needed (const struct path_info *dst,
-							  const struct stat *statp,
-                              uid_t old_uid, uid_t new_uid,
-                              gid_t old_gid, gid_t new_gid)
-{
-	uid_t tmpuid = (uid_t) -1;
-	gid_t tmpgid = (gid_t) -1;
-
-	/* Use new_uid if old_uid is set to -1 or if the file was
-	 * owned by the user. */
-	if (((uid_t) -1 == old_uid) || (statp->st_uid == old_uid)) {
-		tmpuid = new_uid;
-	}
-	/* Otherwise, or if new_uid was set to -1, we keep the same
-	 * owner. */
-	if ((uid_t) -1 == tmpuid) {
-		tmpuid = statp->st_uid;
-	}
-
-	if (((gid_t) -1 == old_gid) || (statp->st_gid == old_gid)) {
-		tmpgid = new_gid;
-	}
-	if ((gid_t) -1 == tmpgid) {
-		tmpgid = statp->st_gid;
-	}
-
-	return fchownat (dst->dirfd, dst->name, tmpuid, tmpgid, AT_SYMLINK_NOFOLLOW);
-}
-
-/*
- * copy_tree - copy files in a directory tree
- *
- *	copy_tree() walks a directory tree and copies ordinary files
- *	as it goes.
- *
- *	When reset_selinux is enabled, extended attributes (and thus
- *	SELinux attributes) are not copied.
- *
- *	old_uid and new_uid are used to set the ownership of the copied
- *	files. Unless old_uid is set to -1, only the files owned by
- *	old_uid have their ownership changed to new_uid. In addition, if
- *	new_uid is set to -1, no ownership will be changed.
- *
- *	The same logic applies for the group-ownership and
- *	old_gid/new_gid.
- */
-int copy_tree (const char *src_root, const char *dst_root,
-               bool copy_root, bool reset_selinux,
-               uid_t old_uid, uid_t new_uid,
-               gid_t old_gid, gid_t new_gid)
-{
-	const struct path_info src = {
-		.full_path = src_root,
-		.dirfd = AT_FDCWD,
-		.name = src_root
-	};
-	const struct path_info dst = {
-		.full_path = dst_root,
-		.dirfd = AT_FDCWD,
-		.name = dst_root
-	};
-
-	return copy_tree_impl(&src, &dst, copy_root, reset_selinux,
-						  old_uid, new_uid, old_gid, new_gid);
-}

lib/csrand.c

@@ -1,147 +0,0 @@
-// SPDX-FileCopyrightText: 2022-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-#include "config.h"
-
-#ident "$Id$"
-
-#include <fcntl.h>
-#include <limits.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-#if __has_include(<sys/random.h>)
-# include <sys/random.h>
-#endif
-
-#include "bit.h"
-#include "defines.h"
-#include "prototypes.h"
-#include "shadowlog.h"
-#include "sizeof.h"
-
-
-static uint32_t csrand32(void);
-static uint32_t csrand_uniform32(uint32_t n);
-static unsigned long csrand_uniform_slow(unsigned long n);
-
-
-/*
- * Return a uniformly-distributed CS random u_long value.
- */
-unsigned long
-csrand(void)
-{
-	int            fd;
-	unsigned long  r;
-
-#ifdef HAVE_GETENTROPY
-	/* getentropy may exist but lack kernel support.  */
-	if (getentropy(&r, sizeof(r)) == 0)
-		return r;
-#endif
-
-#ifdef HAVE_GETRANDOM
-	/* Likewise getrandom.  */
-	if (getrandom(&r, sizeof(r), 0) == sizeof(r))
-		return r;
-#endif
-
-#ifdef HAVE_ARC4RANDOM_BUF
-	/* arc4random_buf can never fail.  */
-	arc4random_buf(&r, sizeof(r));
-	return r;
-#endif
-
-	/* Use /dev/urandom as a last resort.  */
-	fd = open("/dev/urandom", O_RDONLY);
-	if (fd == -1)
-		goto fail;
-
-	if (read(fd, &r, sizeof(r)) != sizeof(r)) {
-		close(fd);
-		goto fail;
-	}
-
-	close(fd);
-	return r;
-
-fail:
-	fprintf(log_get_logfd(), _("Unable to obtain random bytes.\n"));
-	exit(1);
-}
-
-
-/*
- * Return a uniformly-distributed CS random value in the interval [0, n-1].
- */
-unsigned long
-csrand_uniform(unsigned long n)
-{
-	if (n == 0 || n > UINT32_MAX)
-		return csrand_uniform_slow(n);
-
-	return csrand_uniform32(n);
-}
-
-
-/*
- * Return a uniformly-distributed CS random value in the interval [min, max].
- */
-unsigned long
-csrand_interval(unsigned long min, unsigned long max)
-{
-	return csrand_uniform(max - min + 1) + min;
-}
-
-
-static uint32_t
-csrand32(void)
-{
-	return csrand();
-}
-
-
-/*
- * Fast Random Integer Generation in an Interval
- * ACM Transactions on Modeling and Computer Simulation 29 (1), 2019
- * <https://arxiv.org/abs/1805.10941>
- */
-static uint32_t
-csrand_uniform32(uint32_t n)
-{
-	uint32_t  bound, rem;
-	uint64_t  r, mult;
-
-	if (n == 0)
-		return csrand32();
-
-	bound = -n % n;  // analogous to `2^32 % n`, since `x % y == (x-y) % y`
-
-	do {
-		r = csrand32();
-		mult = r * n;
-		rem = mult;  // analogous to `mult % 2^32`
-	} while (rem < bound);  // p = (2^32 % n) / 2^32;  W.C.: n=2^31+1, p=0.5
-
-	r = mult >> WIDTHOF(n);  // analogous to `mult / 2^32`
-
-	return r;
-}
-
-
-static unsigned long
-csrand_uniform_slow(unsigned long n)
-{
-	unsigned long  r, max, mask;
-
-	max = n - 1;
-	mask = bit_ceil_wrapul(n) - 1;
-
-	do {
-		r = csrand();
-		r &= mask;  // optimization
-	} while (r > max);  // p = ((mask+1) % n) / (mask+1);  W.C.: p=0.5
-
-	return r;
-}