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Subject[PATCH V6 06/10] audit: dump namespace IDs for pid on receipt of AUDIT_NS_INFO
Date
When a task with CAP_AUDIT_CONTROL sends a NETLINK_AUDIT message of type
AUDIT_NS_INFO with a PID of interest, dump the namespace IDs of that task to
the audit log.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
---
kernel/audit.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index e6230c4..b7f10e9 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -674,6 +674,7 @@ 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)
@@ -1070,6 +1071,19 @@ 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();
+ audit_log_ns_info(tsk);
+ }
+#else /* CONFIG_NAMESPACES */
+ err = -EOPNOTSUPP;
+#endif /* CONFIG_NAMESPACES */
default:
err = -EINVAL;
break;
--
1.7.1


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