From 215a2dd3b43e0dc425e81d21de9d961416b1dad4 Mon Sep 17 00:00:00 2001 From: Eric Paris Date: Wed, 7 Mar 2007 16:01:45 -0800 Subject: [PATCH] [IPSEC]: Add xfrm policy change auditing to pfkey_spdget pfkey_spdget neither had an LSM security hook nor auditing for the removal of xfrm_policy structs. The security hook was added when it was moved into xfrm_policy_byid instead of the callers to that function by my earlier patch and this patch adds the auditing hooks as well. Signed-off-by: Eric Paris Acked-by: Venkat Yekkirala Acked-by: James Morris Signed-off-by: David S. Miller --- net/key/af_key.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/net/key/af_key.c b/net/key/af_key.c index 3542435e9d40..1a2bd5f88b7d 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2537,7 +2537,7 @@ static int pfkey_migrate(struct sock *sk, struct sk_buff *skb, static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs) { unsigned int dir; - int err; + int err = 0, delete; struct sadb_x_policy *pol; struct xfrm_policy *xp; struct km_event c; @@ -2549,16 +2549,20 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h if (dir >= XFRM_POLICY_MAX) return -EINVAL; + delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2); xp = xfrm_policy_byid(XFRM_POLICY_TYPE_MAIN, dir, pol->sadb_x_policy_id, - hdr->sadb_msg_type == SADB_X_SPDDELETE2, &err); + delete, &err); if (xp == NULL) return -ENOENT; - err = 0; + if (delete) { + xfrm_audit_log(audit_get_loginuid(current->audit_context), 0, + AUDIT_MAC_IPSEC_DELSPD, err ? 0 : 1, xp, NULL); - c.seq = hdr->sadb_msg_seq; - c.pid = hdr->sadb_msg_pid; - if (hdr->sadb_msg_type == SADB_X_SPDDELETE2) { + if (err) + goto out; + c.seq = hdr->sadb_msg_seq; + c.pid = hdr->sadb_msg_pid; c.data.byid = 1; c.event = XFRM_MSG_DELPOLICY; km_policy_notify(xp, dir, &c); @@ -2566,6 +2570,7 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h err = key_pol_get_resp(sk, xp, hdr, dir); } +out: xfrm_pol_put(xp); return err; }