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-rw-r--r--security/selinux/hooks.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 6e4937fe062b..b13be15165f5 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -630,6 +630,16 @@ static inline u16 inode_mode_to_security_class(umode_t mode)
return SECCLASS_FILE;
}
+static inline int default_protocol_stream(int protocol)
+{
+ return (protocol == IPPROTO_IP || protocol == IPPROTO_TCP);
+}
+
+static inline int default_protocol_dgram(int protocol)
+{
+ return (protocol == IPPROTO_IP || protocol == IPPROTO_UDP);
+}
+
static inline u16 socket_type_to_security_class(int family, int type, int protocol)
{
switch (family) {
@@ -646,10 +656,16 @@ static inline u16 socket_type_to_security_class(int family, int type, int protoc
case PF_INET6:
switch (type) {
case SOCK_STREAM:
- return SECCLASS_TCP_SOCKET;
+ if (default_protocol_stream(protocol))
+ return SECCLASS_TCP_SOCKET;
+ else
+ return SECCLASS_RAWIP_SOCKET;
case SOCK_DGRAM:
- return SECCLASS_UDP_SOCKET;
- case SOCK_RAW:
+ if (default_protocol_dgram(protocol))
+ return SECCLASS_UDP_SOCKET;
+ else
+ return SECCLASS_RAWIP_SOCKET;
+ default:
return SECCLASS_RAWIP_SOCKET;
}
break;
@@ -2970,6 +2986,8 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
/*
* If PF_INET or PF_INET6, check name_bind permission for the port.
+ * Multiple address binding for SCTP is not supported yet: we just
+ * check the first address now.
*/
family = sock->sk->sk_family;
if (family == PF_INET || family == PF_INET6) {
@@ -3014,12 +3032,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
goto out;
}
- switch(sk->sk_protocol) {
- case IPPROTO_TCP:
+ switch(isec->sclass) {
+ case SECCLASS_TCP_SOCKET:
node_perm = TCP_SOCKET__NODE_BIND;
break;
- case IPPROTO_UDP:
+ case SECCLASS_UDP_SOCKET:
node_perm = UDP_SOCKET__NODE_BIND;
break;