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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:18 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:18 +1100
commit86a264abe542cfececb4df129bc45a0338d8cdb9 (patch)
tree30152f04ba847f311028d5ca697f864c16c7ebb3 /security/keys
parentf1752eec6145c97163dbce62d17cf5d928e28a27 (diff)
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CRED: Wrap current->cred and a few other accessors
Wrap current->cred and a few other accessors to hide their actual implementation. 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')
-rw-r--r--security/keys/process_keys.c2
-rw-r--r--security/keys/request_key.c11
2 files changed, 7 insertions, 6 deletions
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index b0904cdda2e..ce8ac6073d5 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -582,7 +582,7 @@ key_ref_t lookup_user_key(key_serial_t id, int create, int partial,
{
struct request_key_auth *rka;
struct task_struct *t = current;
- struct cred *cred = t->cred;
+ struct cred *cred = current_cred();
struct key *key;
key_ref_t key_ref, skey_ref;
int ret;
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 3e9b9eb1dd2..0488b0af5bd 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -67,6 +67,7 @@ static int call_sbin_request_key(struct key_construction *cons,
void *aux)
{
struct task_struct *tsk = current;
+ const struct cred *cred = current_cred();
key_serial_t prkey, sskey;
struct key *key = cons->key, *authkey = cons->authkey, *keyring;
char *argv[9], *envp[3], uid_str[12], gid_str[12];
@@ -96,16 +97,16 @@ static int call_sbin_request_key(struct key_construction *cons,
goto error_link;
/* record the UID and GID */
- sprintf(uid_str, "%d", current_fsuid());
- sprintf(gid_str, "%d", current_fsgid());
+ sprintf(uid_str, "%d", cred->fsuid);
+ sprintf(gid_str, "%d", cred->fsgid);
/* we say which key is under construction */
sprintf(key_str, "%d", key->serial);
/* we specify the process's default keyrings */
sprintf(keyring_str[0], "%d",
- tsk->cred->thread_keyring ?
- tsk->cred->thread_keyring->serial : 0);
+ cred->thread_keyring ?
+ cred->thread_keyring->serial : 0);
prkey = 0;
if (tsk->signal->process_keyring)
@@ -118,7 +119,7 @@ static int call_sbin_request_key(struct key_construction *cons,
sskey = rcu_dereference(tsk->signal->session_keyring)->serial;
rcu_read_unlock();
} else {
- sskey = tsk->cred->user->session_keyring->serial;
+ sskey = cred->user->session_keyring->serial;
}
sprintf(keyring_str[2], "%d", sskey);