6 files changed, 156 insertions, 19 deletions

diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index 7c9b58380833..09fc8a2345eb 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -241,6 +241,7 @@
    S_(SECCLASS_ASSOCIATION, ASSOCIATION__SENDTO, "sendto")
    S_(SECCLASS_ASSOCIATION, ASSOCIATION__RECVFROM, "recvfrom")
    S_(SECCLASS_ASSOCIATION, ASSOCIATION__SETCONTEXT, "setcontext")
+   S_(SECCLASS_ASSOCIATION, ASSOCIATION__POLMATCH, "polmatch")
    S_(SECCLASS_PACKET, PACKET__SEND, "send")
    S_(SECCLASS_PACKET, PACKET__RECV, "recv")
    S_(SECCLASS_PACKET, PACKET__RELABELTO, "relabelto")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index 69fd4b48202c..81f4f526c8b1 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -911,6 +911,7 @@
 #define ASSOCIATION__SENDTO                       0x00000001UL
 #define ASSOCIATION__RECVFROM                     0x00000002UL
 #define ASSOCIATION__SETCONTEXT                   0x00000004UL
+#define ASSOCIATION__POLMATCH                     0x00000008UL
 
 #define NETLINK_KOBJECT_UEVENT_SOCKET__IOCTL      0x00000001UL
 #define NETLINK_KOBJECT_UEVENT_SOCKET__READ       0x00000002UL
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 940178865fc7..0a39bfd1319f 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -99,7 +99,16 @@ struct netif_security_struct {
 
 struct sk_security_struct {
         struct sock *sk;                /* back pointer to sk object */
+        u32 sid;                        /* SID of this object */
         u32 peer_sid;                   /* SID of peer */
+#ifdef CONFIG_NETLABEL
+        u16 sclass;                     /* sock security class */
+        enum {                          /* NetLabel state */
+                NLBL_UNSET = 0,
+                NLBL_REQUIRE,
+                NLBL_LABELED,
+        } nlbl_state;
+#endif
 };
 
 struct key_security_struct {
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 063af47bb231..911954a692fa 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -78,6 +78,8 @@ int security_node_sid(u16 domain, void *addr, u32 addrlen,
 int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
                                  u16 tclass);
 
+int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid);
+
 #define SECURITY_FS_USE_XATTR           1 /* use xattr */
 #define SECURITY_FS_USE_TRANS           2 /* use transition SIDs, e.g. devpts/tmpfs */
 #define SECURITY_FS_USE_TASK            3 /* use task SIDs, e.g. pipefs/sockfs */
diff --git a/security/selinux/include/selinux_netlabel.h b/security/selinux/include/selinux_netlabel.h
new file mode 100644
index 000000000000..ecab4bddaaf4
--- /dev/null
+++ b/security/selinux/include/selinux_netlabel.h
@@ -0,0 +1,119 @@
+/*
+ * SELinux interface to the NetLabel subsystem
+ *
+ * Author : Paul Moore <paul.moore@hp.com>
+ *
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
+ *
+ * This program is free software;  you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program;  if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _SELINUX_NETLABEL_H_
+#define _SELINUX_NETLABEL_H_
+
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/net.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+
+#include "avc.h"
+#include "objsec.h"
+
+#ifdef CONFIG_NETLABEL
+void selinux_netlbl_cache_invalidate(void);
+int selinux_netlbl_socket_post_create(struct socket *sock,
+                                      int sock_family,
+                                      u32 sid);
+void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock);
+u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb, u32 sock_sid);
+int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
+                                struct sk_buff *skb,
+                                struct avc_audit_data *ad);
+u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock);
+u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb);
+void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
+                                     int family);
+void selinux_netlbl_sk_clone_security(struct sk_security_struct *ssec,
+                                      struct sk_security_struct *newssec);
+int selinux_netlbl_inode_permission(struct inode *inode, int mask);
+#else
+static inline void selinux_netlbl_cache_invalidate(void)
+{
+        return;
+}
+
+static inline int selinux_netlbl_socket_post_create(struct socket *sock,
+                                                    int sock_family,
+                                                    u32 sid)
+{
+        return 0;
+}
+
+static inline void selinux_netlbl_sock_graft(struct sock *sk,
+                                             struct socket *sock)
+{
+        return;
+}
+
+static inline u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb,
+                                                   u32 sock_sid)
+{
+        return SECSID_NULL;
+}
+
+static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
+                                              struct sk_buff *skb,
+                                              struct avc_audit_data *ad)
+{
+        return 0;
+}
+
+static inline u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock)
+{
+        return SECSID_NULL;
+}
+
+static inline u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb)
+{
+        return SECSID_NULL;
+}
+
+static inline void selinux_netlbl_sk_security_init(
+                                               struct sk_security_struct *ssec,
+                                               int family)
+{
+        return;
+}
+
+static inline void selinux_netlbl_sk_clone_security(
+                                           struct sk_security_struct *ssec,
+                                           struct sk_security_struct *newssec)
+{
+        return;
+}
+
+static inline int selinux_netlbl_inode_permission(struct inode *inode,
+                                                  int mask)
+{
+        return 0;
+}
+#endif /* CONFIG_NETLABEL */
+
+#endif
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index c96498a10eb8..81eb59890162 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -2,18 +2,25 @@
  * SELinux support for the XFRM LSM hooks
  *
  * Author : Trent Jaeger, <jaegert@us.ibm.com>
+ * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
  */
 #ifndef _SELINUX_XFRM_H_
 #define _SELINUX_XFRM_H_
 
-int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx);
+int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
+                struct xfrm_user_sec_ctx *sec_ctx, struct sock *sk);
 int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
 void selinux_xfrm_policy_free(struct xfrm_policy *xp);
 int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
-int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
+int selinux_xfrm_state_alloc(struct xfrm_state *x,
+        struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, u32 secid);
 void selinux_xfrm_state_free(struct xfrm_state *x);
 int selinux_xfrm_state_delete(struct xfrm_state *x);
-int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 sk_sid, u8 dir);
+int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
+int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
+                        struct xfrm_policy *xp, struct flowi *fl);
+int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
+
 
 /*
  * Extract the security blob from the sock (it's actually on the socket)
@@ -26,30 +33,23 @@ static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
         return SOCK_INODE(sk->sk_socket)->i_security;
 }
 
-
-static inline u32 selinux_no_sk_sid(struct flowi *fl)
-{
-        /* NOTE: no sock occurs on ICMP reply, forwards, ... */
-        /* icmp_reply: authorize as kernel packet */
-        if (fl && fl->proto == IPPROTO_ICMP) {
-                return SECINITSID_KERNEL;
-        }
-
-        return SECINITSID_ANY_SOCKET;
-}
-
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
-int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb);
-int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb);
+int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
+                        struct avc_audit_data *ad);
+int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
+                        struct avc_audit_data *ad);
 u32 selinux_socket_getpeer_stream(struct sock *sk);
 u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
+int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
 #else
-static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb)
+static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
+                        struct avc_audit_data *ad)
 {
         return 0;
 }
 
-static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb)
+static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
+                        struct avc_audit_data *ad)
 {
         return 0;
 }
@@ -63,6 +63,11 @@ static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
 {
         return SECSID_NULL;
 }
+static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
+{
+        *sid = SECSID_NULL;
+        return 0;
+}
 #endif
 
 #endif /* _SELINUX_XFRM_H_ */