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authorVenkat Yekkirala <vyekkirala@TrustedCS.com>2006-07-24 23:32:50 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 14:53:29 -0700
commit4237c75c0a35535d7f9f2bfeeb4b4df1e068a0bf (patch)
tree02adcb6fe6c346a8b99cf161ba5233ed1e572727 /net/ipv4/syncookies.c
parentcb969f072b6d67770b559617f14e767f47e77ece (diff)
downloadlinux-4237c75c0a35535d7f9f2bfeeb4b4df1e068a0bf.tar.bz2
[MLSXFRM]: Auto-labeling of child sockets
This automatically labels the TCP, Unix stream, and dccp child sockets as well as openreqs to be at the same MLS level as the peer. This will result in the selection of appropriately labeled IPSec Security Associations. This also uses the sock's sid (as opposed to the isec sid) in SELinux enforcement of secmark in rcv_skb and postroute_last hooks. Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/syncookies.c')
-rw-r--r--net/ipv4/syncookies.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 307dc3c0d635..661e0a4bca72 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -214,6 +214,10 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
if (!req)
goto out;
+ if (security_inet_conn_request(sk, skb, req)) {
+ reqsk_free(req);
+ goto out;
+ }
ireq = inet_rsk(req);
treq = tcp_rsk(req);
treq->rcv_isn = htonl(skb->h.th->seq) - 1;
@@ -259,7 +263,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
.uli_u = { .ports =
{ .sport = skb->h.th->dest,
.dport = skb->h.th->source } } };
- security_sk_classify_flow(sk, &fl);
+ security_req_classify_flow(req, &fl);
if (ip_route_output_key(&rt, &fl)) {
reqsk_free(req);
goto out;