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userns: Teach security_path_chown to take kuids and kgids

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Don't make the security modules deal with raw user space uid and
gids instead pass in a kuid_t and a kgid_t so that security modules
only have to deal with internal kernel uids and gids.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: James Morris <james.l.morris@oracle.com>
Cc: John Johansen <john.johansen@canonical.com>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2012-06-01 16:14:19 -06:00
parent 8b94eea4bf
commit d2b31ca644
6 changed files with 14 additions and 12 deletions
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security/security.c
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@@ -434,7 +434,7 @@ int security_path_chmod(struct path *path, umode_t mode)
return security_ops->path_chmod(path, mode);
}
int security_path_chown(struct path *path, uid_t uid, gid_t gid)
int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
{
if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
return 0;