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[PATCH] selinux: add hooks for key subsystem

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Introduce SELinux hooks to support the access key retention subsystem
within the kernel.  Incorporate new flask headers from a modified version
of the SELinux reference policy, with support for the new security class
representing retained keys.  Extend the "key_alloc" security hook with a
task parameter representing the intended ownership context for the key
being allocated.  Attach security information to root's default keyrings
within the SELinux initialization routine.

Has passed David's testsuite.

Signed-off-by: Michael LeMay <mdlemay@epoch.ncsc.mil>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Michael LeMay 2006-06-22 14:47:17 -07:00 • committed by Linus Torvalds
parent f893afbe12
commit d720024e94
16 changed files with 155 additions and 27 deletions
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2
kernel/user.c
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@ -148,7 +148,7 @@ struct user_struct * alloc_uid(uid_t uid)
new->mq_bytes = 0;
new->locked_shm = 0;
if (alloc_uid_keyring(new) < 0) {
if (alloc_uid_keyring(new, current) < 0) {
kmem_cache_free(uid_cachep, new);
return NULL;
}