7 files changed, 76 insertions, 12 deletions

diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 2fec827..c0398f5 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -54,15 +54,13 @@ struct unix_skb_parms {
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
 #ifdef CONFIG_SECURITY_NETWORK
-	char			*secdata;	/* Security context	*/
-	u32			seclen;		/* Security length	*/
+	u32			secid;		/* Security ID		*/
 #endif
 };
 
 #define UNIXCB(skb) 	(*(struct unix_skb_parms*)&((skb)->cb))
 #define UNIXCREDS(skb)	(&UNIXCB((skb)).creds)
-#define UNIXSECDATA(skb)	(&UNIXCB((skb)).secdata)
-#define UNIXSECLEN(skb)		(&UNIXCB((skb)).seclen)
+#define UNIXSID(skb)	(&UNIXCB((skb)).secid)
 
 #define unix_state_rlock(s)	spin_lock(&unix_sk(s)->lock)
 #define unix_state_runlock(s)	spin_unlock(&unix_sk(s)->lock)
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index ab29daf..96b0e66 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -139,16 +139,22 @@ extern rwlock_t rt6_lock;
 /*
  *	Store a destination cache entry in a socket
  */
-static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
-				     struct in6_addr *daddr)
+static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst,
+				   struct in6_addr *daddr)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct rt6_info *rt = (struct rt6_info *) dst;
 
-	write_lock(&sk->sk_dst_lock);
 	sk_setup_caps(sk, dst);
 	np->daddr_cache = daddr;
 	np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
+}
+
+static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
+				 struct in6_addr *daddr)
+{
+	write_lock(&sk->sk_dst_lock);
+	__ip6_dst_store(sk, dst, daddr);
 	write_unlock(&sk->sk_dst_lock);
 }
 
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a8fdf79..ece7e8a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -468,6 +468,9 @@ extern void			ip6_flush_pending_frames(struct sock *sk);
 extern int			ip6_dst_lookup(struct sock *sk,
 					       struct dst_entry **dst,
 					       struct flowi *fl);
+extern int			ip6_sk_dst_lookup(struct sock *sk,
+						  struct dst_entry **dst,
+						  struct flowi *fl);
 
 /*
  *	skb processing functions
diff --git a/include/net/netdma.h b/include/net/netdma.h
index ceae5ee..7f53cd1 100644
--- a/include/net/netdma.h
+++ b/include/net/netdma.h
@@ -29,7 +29,7 @@ static inline struct dma_chan *get_softnet_dma(void)
 {
 	struct dma_chan *chan;
 	rcu_read_lock();
-	chan = rcu_dereference(__get_cpu_var(softnet_data.net_dma));
+	chan = rcu_dereference(__get_cpu_var(softnet_data).net_dma);
 	if (chan)
 		dma_chan_get(chan);
 	rcu_read_unlock();
diff --git a/include/net/netevent.h b/include/net/netevent.h
new file mode 100644
index 0000000..e5d2162
--- /dev/null
+++ b/include/net/netevent.h
@@ -0,0 +1,33 @@
+#ifndef _NET_EVENT_H
+#define _NET_EVENT_H
+
+/*
+ *	Generic netevent notifiers
+ *
+ *	Authors:
+ *      Tom Tucker              <tom@opengridcomputing.com>
+ *      Steve Wise              <swise@opengridcomputing.com>
+ *
+ * 	Changes:
+ */
+#ifdef __KERNEL__
+
+#include <net/dst.h>
+
+struct netevent_redirect {
+	struct dst_entry *old;
+	struct dst_entry *new;
+};
+
+enum netevent_notif_type {
+	NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
+	NETEVENT_PMTU_UPDATE,	   /* arg is struct dst_entry ptr */
+	NETEVENT_REDIRECT,	   /* arg is struct netevent_redirect ptr */
+};
+
+extern int register_netevent_notifier(struct notifier_block *nb);
+extern int unregister_netevent_notifier(struct notifier_block *nb);
+extern int call_netevent_notifiers(unsigned long val, void *v);
+
+#endif
+#endif
diff --git a/include/net/scm.h b/include/net/scm.h
index 02daa09..5637d5e 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -3,6 +3,7 @@
 
 #include <linux/limits.h>
 #include <linux/net.h>
+#include <linux/security.h>
 
 /* Well, we should have at least one descriptor open
  * to accept passed FDs 8)
@@ -20,8 +21,7 @@ struct scm_cookie
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
 #ifdef CONFIG_SECURITY_NETWORK
-	char			*secdata;	/* Security context	*/
-	u32			seclen;		/* Security length	*/
+	u32			secid;		/* Passed security ID 	*/
 #endif
 	unsigned long		seq;		/* Connection seqno	*/
 };
@@ -32,6 +32,16 @@ extern int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie
 extern void __scm_destroy(struct scm_cookie *scm);
 extern struct scm_fp_list * scm_fp_dup(struct scm_fp_list *fpl);
 
+#ifdef CONFIG_SECURITY_NETWORK
+static __inline__ void unix_get_peersec_dgram(struct socket *sock, struct scm_cookie *scm)
+{
+	security_socket_getpeersec_dgram(sock, NULL, &scm->secid);
+}
+#else
+static __inline__ void unix_get_peersec_dgram(struct socket *sock, struct scm_cookie *scm)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
 static __inline__ void scm_destroy(struct scm_cookie *scm)
 {
 	if (scm && scm->fp)
@@ -47,6 +57,7 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
 	scm->creds.pid = p->tgid;
 	scm->fp = NULL;
 	scm->seq = 0;
+	unix_get_peersec_dgram(sock, scm);
 	if (msg->msg_controllen <= 0)
 		return 0;
 	return __scm_send(sock, msg, scm);
@@ -55,8 +66,18 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
 #ifdef CONFIG_SECURITY_NETWORK
 static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
 {
-	if (test_bit(SOCK_PASSSEC, &sock->flags) && scm->secdata != NULL)
-		put_cmsg(msg, SOL_SOCKET, SCM_SECURITY, scm->seclen, scm->secdata);
+	char *secdata;
+	u32 seclen;
+	int err;
+
+	if (test_bit(SOCK_PASSSEC, &sock->flags)) {
+		err = security_secid_to_secctx(scm->secid, &secdata, &seclen);
+
+		if (!err) {
+			put_cmsg(msg, SOL_SOCKET, SCM_SECURITY, seclen, secdata);
+			security_release_secctx(secdata, seclen);
+		}
+	}
 }
 #else
 static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0720bdd..7a093d0 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -914,6 +914,9 @@ static inline void tcp_set_state(struct sock *sk, int state)
 
 static inline void tcp_done(struct sock *sk)
 {
+	if(sk->sk_state == TCP_SYN_SENT || sk->sk_state == TCP_SYN_RECV)
+		TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
+
 	tcp_set_state(sk, TCP_CLOSE);
 	tcp_clear_xmit_timers(sk);