aboutsummaryrefslogtreecommitdiffstats
path: root/security/keys/keyctl.c
diff options
context:
space:
mode:
authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:16 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:16 +1100
commitb6dff3ec5e116e3af6f537d4caedcad6b9e5082a (patch)
tree9e76f972eb7ce9b84e0146c8e4126a3f86acb428 /security/keys/keyctl.c
parent15a2460ed0af7538ca8e6c610fe607a2cd9da142 (diff)
downloadmrst-s0i3-test-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.tar.gz
mrst-s0i3-test-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.tar.xz
mrst-s0i3-test-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.zip
CRED: Separate task security context from task_struct
Separate the task security context from task_struct. At this point, the security data is temporarily embedded in the task_struct with two pointers pointing to it. Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in entry.S via asm-offsets. With comment fixes Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/keys/keyctl.c')
-rw-r--r--security/keys/keyctl.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index fcce331eca7..8833b447ade 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -889,7 +889,7 @@ long keyctl_instantiate_key(key_serial_t id,
/* the appropriate instantiation authorisation key must have been
* assumed before calling this */
ret = -EPERM;
- instkey = current->request_key_auth;
+ instkey = current->cred->request_key_auth;
if (!instkey)
goto error;
@@ -932,8 +932,8 @@ long keyctl_instantiate_key(key_serial_t id,
/* discard the assumed authority if it's just been disabled by
* instantiation of the key */
if (ret == 0) {
- key_put(current->request_key_auth);
- current->request_key_auth = NULL;
+ key_put(current->cred->request_key_auth);
+ current->cred->request_key_auth = NULL;
}
error2:
@@ -960,7 +960,7 @@ long keyctl_negate_key(key_serial_t id, unsigned timeout, key_serial_t ringid)
/* the appropriate instantiation authorisation key must have been
* assumed before calling this */
ret = -EPERM;
- instkey = current->request_key_auth;
+ instkey = current->cred->request_key_auth;
if (!instkey)
goto error;
@@ -983,8 +983,8 @@ long keyctl_negate_key(key_serial_t id, unsigned timeout, key_serial_t ringid)
/* discard the assumed authority if it's just been disabled by
* instantiation of the key */
if (ret == 0) {
- key_put(current->request_key_auth);
- current->request_key_auth = NULL;
+ key_put(current->cred->request_key_auth);
+ current->cred->request_key_auth = NULL;
}
error:
@@ -999,6 +999,7 @@ error:
*/
long keyctl_set_reqkey_keyring(int reqkey_defl)
{
+ struct cred *cred = current->cred;
int ret;
switch (reqkey_defl) {
@@ -1018,10 +1019,10 @@ long keyctl_set_reqkey_keyring(int reqkey_defl)
case KEY_REQKEY_DEFL_USER_KEYRING:
case KEY_REQKEY_DEFL_USER_SESSION_KEYRING:
set:
- current->jit_keyring = reqkey_defl;
+ cred->jit_keyring = reqkey_defl;
case KEY_REQKEY_DEFL_NO_CHANGE:
- return current->jit_keyring;
+ return cred->jit_keyring;
case KEY_REQKEY_DEFL_GROUP_KEYRING:
default:
@@ -1086,8 +1087,8 @@ long keyctl_assume_authority(key_serial_t id)
/* we divest ourselves of authority if given an ID of 0 */
if (id == 0) {
- key_put(current->request_key_auth);
- current->request_key_auth = NULL;
+ key_put(current->cred->request_key_auth);
+ current->cred->request_key_auth = NULL;
ret = 0;
goto error;
}
@@ -1103,8 +1104,8 @@ long keyctl_assume_authority(key_serial_t id)
goto error;
}
- key_put(current->request_key_auth);
- current->request_key_auth = authkey;
+ key_put(current->cred->request_key_auth);
+ current->cred->request_key_auth = authkey;
ret = authkey->serial;
error: