diff options
| author | Alexander Viro | 2006-09-29 00:08:50 -0400 |
|---|---|---|
| committer | Al Viro | 2006-10-04 08:31:19 -0400 |
| commit | 419c58f11fb732cc8bd1335fa43e0decb34e0be3 (patch) | |
| tree | 7eb03026bd7e102d235ccc02f81daf1127d93358 /kernel | |
| parent | 4b8a311bb161a3bd2ab44311f42c526b6dc76270 (diff) | |
[PATCH] PPID filtering fix
On Thu, Sep 28, 2006 at 04:03:06PM -0400, Eric Paris wrote:
> After some looking I did not see a way to get into audit_log_exit
> without having set the ppid. So I am dropping the set from there and
> only doing it at the beginning.
>
> Please comment/ack/nak as soon as possible.
Ehh... That's one hell of an overhead to be had ;-/ Let's be lazy.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/auditsc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 105147631753..b61c0191f3da 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -278,8 +278,11 @@ static int audit_filter_rules(struct task_struct *tsk, result = audit_comparator(tsk->pid, f->op, f->val); break; case AUDIT_PPID: - if (ctx) + if (ctx) { + if (!ctx->ppid) + ctx->ppid = sys_getppid(); result = audit_comparator(ctx->ppid, f->op, f->val); + } break; case AUDIT_UID: result = audit_comparator(tsk->uid, f->op, f->val); @@ -795,7 +798,8 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts /* tsk == current */ context->pid = tsk->pid; - context->ppid = sys_getppid(); /* sic. tsk == current in all cases */ + if (!context->ppid) + context->ppid = sys_getppid(); context->uid = tsk->uid; context->gid = tsk->gid; context->euid = tsk->euid; @@ -1137,6 +1141,7 @@ void audit_syscall_entry(int arch, int major, context->ctime = CURRENT_TIME; context->in_syscall = 1; context->auditable = !!(state == AUDIT_RECORD_CONTEXT); + context->ppid = 0; } /** |