Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit

[cascardo/linux.git] / kernel / audit.c

diff --git a/kernel/audit.c b/kernel/audit.c
index 22bb4f2..a8a91bd 100644 (file)
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -932,7 +932,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                if (!audit_enabled && msg_type != AUDIT_USER_AVC)
                        return 0;
 
-               err = audit_filter_user(msg_type);
+               err = audit_filter(msg_type, AUDIT_FILTER_USER);
                if (err == 1) { /* match or error */
                        err = 0;
                        if (msg_type == AUDIT_USER_TTY) {
@@ -1379,7 +1379,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
        if (audit_initialized != AUDIT_INITIALIZED)
                return NULL;
 
-       if (unlikely(audit_filter_type(type)))
+       if (unlikely(!audit_filter(type, AUDIT_FILTER_TYPE)))
                return NULL;
 
        if (gfp_mask & __GFP_DIRECT_RECLAIM) {
@@ -1883,6 +1883,23 @@ out_null:
        audit_log_format(ab, " exe=(null)");
 }
 
+struct tty_struct *audit_get_tty(struct task_struct *tsk)
+{
+       struct tty_struct *tty = NULL;
+       unsigned long flags;
+
+       spin_lock_irqsave(&tsk->sighand->siglock, flags);
+       if (tsk->signal)
+               tty = tty_kref_get(tsk->signal->tty);
+       spin_unlock_irqrestore(&tsk->sighand->siglock, flags);
+       return tty;
+}
+
+void audit_put_tty(struct tty_struct *tty)
+{
+       tty_kref_put(tty);
+}
+
 void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
 {
        const struct cred *cred;