- sig_data.uid = audit_sig_uid;
- sig_data.pid = audit_sig_pid;
- audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_SIGNAL_INFO,
- 0, 0, &sig_data, sizeof(sig_data));
+ err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
+ if (err)
+ return err;
+ sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL);
+ if (!sig_data) {
+ security_release_secctx(ctx, len);
+ return -ENOMEM;
+ }
+ sig_data->uid = audit_sig_uid;
+ sig_data->pid = audit_sig_pid;
+ memcpy(sig_data->ctx, ctx, len);
+ security_release_secctx(ctx, len);
+ audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_SIGNAL_INFO,
+ 0, 0, sig_data, sizeof(*sig_data) + len);
+ kfree(sig_data);
+ break;
+ case AUDIT_TTY_GET: {
+ struct audit_tty_status s;
+ struct task_struct *tsk;
+
+ read_lock(&tasklist_lock);
+ tsk = find_task_by_vpid(pid);
+ if (!tsk)
+ err = -ESRCH;
+ else {
+ spin_lock_irq(&tsk->sighand->siglock);
+ s.enabled = tsk->signal->audit_tty != 0;
+ spin_unlock_irq(&tsk->sighand->siglock);
+ }
+ read_unlock(&tasklist_lock);
+ audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_TTY_GET, 0, 0,
+ &s, sizeof(s));
+ break;
+ }
+ case AUDIT_TTY_SET: {
+ struct audit_tty_status *s;
+ struct task_struct *tsk;
+
+ if (nlh->nlmsg_len < sizeof(struct audit_tty_status))
+ return -EINVAL;
+ s = data;
+ if (s->enabled != 0 && s->enabled != 1)
+ return -EINVAL;
+ read_lock(&tasklist_lock);
+ tsk = find_task_by_vpid(pid);
+ if (!tsk)
+ err = -ESRCH;
+ else {
+ spin_lock_irq(&tsk->sighand->siglock);
+ tsk->signal->audit_tty = s->enabled != 0;
+ spin_unlock_irq(&tsk->sighand->siglock);
+ }
+ read_unlock(&tasklist_lock);