[PATCH] collect sid of those who send signals to auditd
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 114f921..4ca913d 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1376,19 +1376,20 @@
* If the audit subsystem is being terminated, record the task (pid)
* and uid that is doing that.
*/
-void audit_signal_info(int sig, struct task_struct *t)
+void __audit_signal_info(int sig, struct task_struct *t)
{
extern pid_t audit_sig_pid;
extern uid_t audit_sig_uid;
+ extern u32 audit_sig_sid;
- if (unlikely(audit_pid && t->tgid == audit_pid)) {
- if (sig == SIGTERM || sig == SIGHUP) {
- struct audit_context *ctx = current->audit_context;
- audit_sig_pid = current->pid;
- if (ctx)
- audit_sig_uid = ctx->loginuid;
- else
- audit_sig_uid = current->uid;
- }
+ if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
+ struct task_struct *tsk = current;
+ struct audit_context *ctx = tsk->audit_context;
+ audit_sig_pid = tsk->pid;
+ if (ctx)
+ audit_sig_uid = ctx->loginuid;
+ else
+ audit_sig_uid = tsk->uid;
+ selinux_get_task_sid(tsk, &audit_sig_sid);
}
}