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LSM: Add security_path_chroot().

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This patch allows pathname based LSM modules to check chroot() operations.

This hook is used by TOMOYO.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa 2009-10-04 21:49:48 +09:00 • committed by James Morris
parent 89eda06837
commit 8b8efb4403
4 changed files with 25 additions and 0 deletions
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6
security/capability.c
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@ -319,6 +319,11 @@ static int cap_path_chown(struct path *path, uid_t uid, gid_t gid)
{
return 0;
}
static int cap_path_chroot(struct path *root)
{
return 0;
}
#endif
static int cap_file_permission(struct file *file, int mask)
@ -990,6 +995,7 @@ void security_fixup_ops(struct security_operations *ops)
set_to_cap_if_null(ops, path_truncate);
set_to_cap_if_null(ops, path_chmod);
set_to_cap_if_null(ops, path_chown);
set_to_cap_if_null(ops, path_chroot);
#endif
set_to_cap_if_null(ops, file_permission);
set_to_cap_if_null(ops, file_alloc_security);