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-rw-r--r--include/net/scm.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/scm.h b/include/net/scm.h
index 540619cb716..02daa097cdc 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -19,6 +19,10 @@ 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 */
+#endif
unsigned long seq; /* Connection seqno */
};
@@ -48,6 +52,17 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
return __scm_send(sock, msg, scm);
}
+#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);
+}
+#else
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, int flags)
{
@@ -62,6 +77,8 @@ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
if (test_bit(SOCK_PASSCRED, &sock->flags))
put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(scm->creds), &scm->creds);
+ scm_passec(sock, msg, scm);
+
if (!scm->fp)
return;