tree cb8e27fb6bec2a7ab5d251e0755e1364f1e8ebfe
parent 95eda43741ca7aeda2052f78877ec7feff3c9ab4
author Manoj Srivastava <srivasta@debian.org> 1368189914 +0200
committer Stephen Smalley <sds@tycho.nsa.gov> 1381950525 -0400

libsemanage: Also check for the uppoer bound on user ids in login.defs

Some non-Debian packages (like qmail, shudder) create
users not below MIN_UID, but above MAX_UID, in /etc/login.defs
(non-system users are supposed to have uids between MIN_UID and
MAX_UID.

genhomedircon.c:gethomedirs() checks pwent.pw_uid against MIN_UID in
/etc/login.defs to exclude system users from generating homedir
contexts. But unfortunately it does not check it against MAX_UID
setting from the same file. This gets us lines like the following in
the contexts/files/file_contexts.homedirs file:
,----
| #
| # Home Context for user user_u
| #
| /var/qmail/[^/]*/.+ user_u:object_r:user_home_t:s0
| /var/qmail/[^/]*/\.ssh(/.*)? user_u:object_r:user_home_ssh_t:s0
| /var/qmail/[^/]*/\.gnupg(/.+)? user_u:object_r:user_gpg_secret_t:s0
| /var/qmail/[^/]* -d user_u:object_r:user_home_dir_t:s0
| /var/qmail/lost\+found/.* <<none>>
| /var/qmail -d system_u:object_r:home_root_t:s0
| /var/qmail/\.journal <<none>>
| /var/qmail/lost\+found -d system_u:object_r:lost_found_t:s0
| /tmp/gconfd-.* -d user_u:object_r:user_tmp_t:s0
`----
This commit adds checking uid value againt MAX_UID too.