Add uidmap package, based on Ubuntu.

* passwd.install: add new subuid.5 and subgid.5 manpages
  * debian/rules, debian/control, debian/uidmap.install: create new uidmap
    package containing the new setuid-root binaries newuidmap and newgidmap

debian/changelog

@@ -18,6 +18,9 @@ shadow (1:4.2-1) UNRELEASED; urgency=low
   * Moved to git: replace Vcs-Git in place of Vcs-Svn and adapt
     Vcs-Browser.
   * Add pam_loginuid to login PAM settings. Closes: #677441
+  * passwd.install: add new subuid.5 and subgid.5 manpages
+  * debian/rules, debian/control, debian/uidmap.install: create new uidmap
+    package containing the new setuid-root binaries newuidmap and newgidmap 
 
  -- Christian Perrier <bubulle@debian.org>  Sat, 27 Jul 2013 20:07:18 +0200
 

debian/control

@@ -33,3 +33,9 @@ Description: system login tools
  workgroup type situations). The su program allows changing your effective
  user ID (useful being able to execute commands as another user).
 
+Package: uidmap
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Architecture: any
+Description: programs to help use subuids
+ These programs help unprivileged users to create uid and gid mappings in
+ user namespaces.

debian/passwd.install

@@ -55,6 +55,8 @@ usr/share/man/man1/passwd.1
 usr/share/man/man5/passwd.5
 usr/share/man/man5/shadow.5
 usr/share/man/man5/gshadow.5
+usr/share/man/man5/subuid.5
+usr/share/man/man5/subgid.5
 usr/share/man/man8/chgpasswd.8
 usr/share/man/man8/chpasswd.8
 usr/share/man/man8/groupadd.8

debian/rules

@@ -67,6 +67,10 @@ endif
 	install -c -m 444 debian/cppw.8 debian/passwd/usr/share/man/man8
 	dh_lintian -p passwd
 
+binary-predeb/uidmap::
+	chmod u+s debian/uidmap/usr/bin/newuidmap
+	chmod u+s debian/uidmap/usr/bin/newgidmap
+
 binary-predeb/login::
 	# No real need for login to be setuid root
 	# chmod u+s debian/login/bin/login

debian/uidmap.install

@@ -0,0 +1,5 @@
+usr/bin/newuidmap
+usr/bin/newgidmap
+usr/share/man/man1/newuidmap.1
+usr/share/man/man1/newgidmap.1
+