[PATCH V7 07/10] audit: dump namespace IDs for pid on receipt of AUDIT_NS_INFO
When a task with CAP_AUDIT_CONTROL sends a NETLINK_AUDIT message of type
UDIT_NS_INFO with a PID of interest formatted as pid_t as the first and only
data, dump the namespace IDs of that task to the audit log.
Signed-off-by: Richard Guy Briggs <rgb(a)redhat.com>
---
kernel/audit.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/kernel/audit.c b/kernel/audit.c
index 229fd5a..af143b5 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -662,6 +662,7 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
case AUDIT_TTY_SET:
case AUDIT_TRIM:
case AUDIT_MAKE_EQUIV:
+ case AUDIT_NS_INFO:
/* Only support auditd and auditctl in initial pid namespace
* for now. */
if ((task_active_pid_ns(current) != &init_pid_ns))
@@ -1057,6 +1058,22 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr
*nlh)
audit_log_end(ab);
break;
}
+ case AUDIT_NS_INFO:
+#ifdef CONFIG_NAMESPACES
+ {
+ struct task_struct *tsk;
+
+ rcu_read_lock();
+ tsk = find_task_by_vpid(*(pid_t *)data);
+ rcu_read_unlock();
+ if (tsk)
+ audit_log_ns_info(tsk);
+ else
+ err = -EINVAL;
+ }
+#else /* CONFIG_NAMESPACES */
+ err = -EOPNOTSUPP;
+#endif /* CONFIG_NAMESPACES */
default:
err = -EINVAL;
break;
--
1.7.1