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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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6
security/keys/request_key.c
View file

@ -48,7 +48,8 @@ static int call_sbin_request_key(struct key *key,
/* allocate a new session keyring */
sprintf(desc, "_req.%u", key->serial);
keyring = keyring_alloc(desc, current->fsuid, current->fsgid, 1, NULL);
keyring = keyring_alloc(desc, current->fsuid, current->fsgid,
current, 1, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
goto error_alloc;
@ -137,7 +138,8 @@ static struct key *__request_key_construction(struct key_type *type,
/* create a key and add it to the queue */
key = key_alloc(type, description,
current->fsuid, current->fsgid, KEY_POS_ALL, 0);
current->fsuid, current->fsgid,
current, KEY_POS_ALL, 0);
if (IS_ERR(key))
goto alloc_failed;