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CRED: Wrap current->cred and a few other accessors

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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>
This commit is contained in:
David Howells
2008-11-14 10:39:18 +11:00
committed by James Morris
parent f1752eec61
commit 86a264abe5
27 changed files with 271 additions and 162 deletions
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11
security/keys/request_key.c
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@@ -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);