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Date: Fri, 02 Mar 2007 13:51:24 -0500 From: Eric Paris <eparis@...isplace.org> To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: davem@...emloft.net, jmorris@...ei.org, vyekkirala@...stedcs.com, cxzhang@...son.ibm.com, sds@...ho.nsa.gov Subject: [PATCH] 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 <eparis@...hat.com> net/key/af_key.c | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/net/key/af_key.c b/net/key/af_key.c index 3542435..7cbf0a2 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; } - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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