Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits)
  [NET]: Fix more per-cpu typos
  [SECURITY]: Fix build with CONFIG_SECURITY disabled.
  [I/OAT]: Remove CPU hotplug lock from net_dma_rebalance
  [DECNET]: Fix for routing bug
  [AF_UNIX]: Kernel memory leak fix for af_unix datagram getpeersec patch
  [NET]: skb_queue_lock_key() is no longer used.
  [NET]: Remove lockdep_set_class() call from skb_queue_head_init().
  [IPV6]: SNMPv2 "ipv6IfStatsOutFragCreates" counter error
  [IPV6]: SNMPv2 "ipv6IfStatsInHdrErrors" counter error
  [NET]: Kill the WARN_ON() calls for checksum fixups.
  [NETFILTER]: xt_hashlimit/xt_string: missing string validation
  [NETFILTER]: SIP helper: expect RTP streams in both directions
  [E1000]: Convert to netdev_alloc_skb
  [TG3]: Convert to netdev_alloc_skb
  [NET]: Add netdev_alloc_skb().
  [TCP]: Process linger2 timeout consistently.
  [SECURITY] secmark: nul-terminate secdata
  [NET] infiniband: Cleanup ib_addr module to use the netevents
  [NET]: Core net changes to generate netevents
  [NET]: Network Event Notifier Mechanism.
  ...

1 files changed, 25 insertions, 4 deletions

diff --git a/include/net/scm.h b/include/net/scm.h
index 02daa097cdcd..5637d5e22d5f 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)