aboutsummaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2008-12-16 03:51:22 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2009-01-04 15:14:42 -0500
commite048e02c89db7bd49d1a5fac77a11c8fb3603087 (patch)
tree6141e7646cd7c5b1b1334f0f86fbad6ef1bcc6d8 /kernel
parente45aa212ea81d39b38ba158df344dc3a500153e5 (diff)
downloadmrst-s0i3-test-e048e02c89db7bd49d1a5fac77a11c8fb3603087.tar.gz
mrst-s0i3-test-e048e02c89db7bd49d1a5fac77a11c8fb3603087.tar.xz
mrst-s0i3-test-e048e02c89db7bd49d1a5fac77a11c8fb3603087.zip
make sure that filterkey of task,always rules is reported
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/auditsc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 19d2c2747c8..8cbddff6c28 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -652,7 +652,7 @@ static int audit_filter_rules(struct task_struct *tsk,
* completely disabled for this task. Since we only have the task
* structure at this point, we can only check uid and gid.
*/
-static enum audit_state audit_filter_task(struct task_struct *tsk)
+static enum audit_state audit_filter_task(struct task_struct *tsk, char **key)
{
struct audit_entry *e;
enum audit_state state;
@@ -660,6 +660,8 @@ static enum audit_state audit_filter_task(struct task_struct *tsk)
rcu_read_lock();
list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TASK], list) {
if (audit_filter_rules(tsk, &e->rule, NULL, NULL, &state)) {
+ if (state == AUDIT_RECORD_CONTEXT)
+ *key = kstrdup(e->rule.filterkey, GFP_ATOMIC);
rcu_read_unlock();
return state;
}
@@ -866,18 +868,21 @@ int audit_alloc(struct task_struct *tsk)
{
struct audit_context *context;
enum audit_state state;
+ char *key = NULL;
if (likely(!audit_ever_enabled))
return 0; /* Return if not auditing. */
- state = audit_filter_task(tsk);
+ state = audit_filter_task(tsk, &key);
if (likely(state == AUDIT_DISABLED))
return 0;
if (!(context = audit_alloc_context(state))) {
+ kfree(key);
audit_log_lost("out of memory in audit_alloc");
return -ENOMEM;
}
+ context->filterkey = key;
tsk->audit_context = context;
set_tsk_thread_flag(tsk, TIF_SYSCALL_AUDIT);
@@ -1703,8 +1708,10 @@ void audit_syscall_exit(int valid, long return_code)
context->sockaddr_len = 0;
context->type = 0;
context->fds[0] = -1;
- kfree(context->filterkey);
- context->filterkey = NULL;
+ if (context->state != AUDIT_RECORD_CONTEXT) {
+ kfree(context->filterkey);
+ context->filterkey = NULL;
+ }
tsk->audit_context = context;
}
}