Ship the libsubid4 and libsubid-dev packages and ship getsubids in uidmap

debian/control

@@ -64,3 +64,26 @@ Depends: ${shlibs:Depends},
 Description: programs to help use subuids
  These programs help unprivileged users to create uid and gid mappings in
  user namespaces.
+
+Package: libsubid4
+Section: libs
+Priority: optional
+Architecture: any
+Multi-Arch: same
+Pre-Depends: ${misc:Pre-Depends}
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: subordinate id handling library -- shared library
+ The library provides an interface for querying, granding and ungranting
+ subordinate user and group ids.
+
+Package: libsubid-dev
+Section: libdevel
+Priority: optional
+Architecture: any
+Depends: ${misc:Depends}, libsubid4 (= ${binary:Version})
+Description: subordinate id handling library -- shared library
+ The library provides an interface for querying, granding and ungranting
+ subordinate user and group ids.
+ .
+ This package contains the C header files that are
+ needed for applications to use the libsubid4 library.

debian/libsubid-dev.install

@@ -0,0 +1,3 @@
+usr/include/*
+usr/lib/*/libsubid.a
+usr/lib/*/libsubid.so

debian/libsubid4.install

@@ -0,0 +1 @@
+usr/lib/*/libsubid.so.*

debian/libsubid4.symbols

@@ -0,0 +1,10 @@
+libsubid.so.4 libsubid4 #MINVER#
+ subid_get_gid_owners@Base 1:4.11.1
+ subid_get_gid_ranges@Base 1:4.11.1
+ subid_get_uid_owners@Base 1:4.11.1
+ subid_get_uid_ranges@Base 1:4.11.1
+ subid_grant_gid_range@Base 1:4.11.1
+ subid_grant_uid_range@Base 1:4.11.1
+ subid_init@Base 1:4.11.1
+ subid_ungrant_gid_range@Base 1:4.11.1
+ subid_ungrant_uid_range@Base 1:4.11.1

debian/not-installed

@@ -16,6 +16,7 @@ etc/pam.d/useradd
 etc/pam.d/userdel
 etc/pam.d/usermod
 usr/bin/sg
+usr/lib/*/libsubid.la
 usr/sbin/logoutd
 usr/sbin/vigr
 usr/share/man/*/man1/groups.1

debian/uidmap.install

@@ -1,2 +1,3 @@
+bin/getsubids usr/bin
 usr/bin/newuidmap
 usr/bin/newgidmap

debian/uidmap.manpages

@@ -1,4 +1,5 @@
 usr/share/man/*/man1/newgidmap.1
 usr/share/man/*/man1/newuidmap.1
+usr/share/man/man1/getsubids.1
 usr/share/man/man1/newgidmap.1
 usr/share/man/man1/newuidmap.1