6 files changed, 59 insertions, 28 deletions

diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index d5696690d3a2..1223b4ff9bee 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -14,12 +14,17 @@
    S_(SECCLASS_DIR, DIR__REPARENT, "reparent")
    S_(SECCLASS_DIR, DIR__SEARCH, "search")
    S_(SECCLASS_DIR, DIR__RMDIR, "rmdir")
+   S_(SECCLASS_DIR, DIR__OPEN, "open")
    S_(SECCLASS_FILE, FILE__EXECUTE_NO_TRANS, "execute_no_trans")
    S_(SECCLASS_FILE, FILE__ENTRYPOINT, "entrypoint")
    S_(SECCLASS_FILE, FILE__EXECMOD, "execmod")
+   S_(SECCLASS_FILE, FILE__OPEN, "open")
    S_(SECCLASS_CHR_FILE, CHR_FILE__EXECUTE_NO_TRANS, "execute_no_trans")
    S_(SECCLASS_CHR_FILE, CHR_FILE__ENTRYPOINT, "entrypoint")
    S_(SECCLASS_CHR_FILE, CHR_FILE__EXECMOD, "execmod")
+   S_(SECCLASS_CHR_FILE, CHR_FILE__OPEN, "open")
+   S_(SECCLASS_BLK_FILE, BLK_FILE__OPEN, "open")
+   S_(SECCLASS_FIFO_FILE, FIFO_FILE__OPEN, "open")
    S_(SECCLASS_FD, FD__USE, "use")
    S_(SECCLASS_TCP_SOCKET, TCP_SOCKET__CONNECTTO, "connectto")
    S_(SECCLASS_TCP_SOCKET, TCP_SOCKET__NEWCONN, "newconn")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index 75b41311ab86..c4c51165c505 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -79,6 +79,7 @@
 #define DIR__REPARENT                             0x00080000UL
 #define DIR__SEARCH                               0x00100000UL
 #define DIR__RMDIR                                0x00200000UL
+#define DIR__OPEN                                 0x00400000UL
 #define FILE__IOCTL                               0x00000001UL
 #define FILE__READ                                0x00000002UL
 #define FILE__WRITE                               0x00000004UL
@@ -99,6 +100,7 @@
 #define FILE__EXECUTE_NO_TRANS                    0x00020000UL
 #define FILE__ENTRYPOINT                          0x00040000UL
 #define FILE__EXECMOD                             0x00080000UL
+#define FILE__OPEN                                0x00100000UL
 #define LNK_FILE__IOCTL                           0x00000001UL
 #define LNK_FILE__READ                            0x00000002UL
 #define LNK_FILE__WRITE                           0x00000004UL
@@ -136,6 +138,7 @@
 #define CHR_FILE__EXECUTE_NO_TRANS                0x00020000UL
 #define CHR_FILE__ENTRYPOINT                      0x00040000UL
 #define CHR_FILE__EXECMOD                         0x00080000UL
+#define CHR_FILE__OPEN                            0x00100000UL
 #define BLK_FILE__IOCTL                           0x00000001UL
 #define BLK_FILE__READ                            0x00000002UL
 #define BLK_FILE__WRITE                           0x00000004UL
@@ -153,6 +156,7 @@
 #define BLK_FILE__SWAPON                          0x00004000UL
 #define BLK_FILE__QUOTAON                         0x00008000UL
 #define BLK_FILE__MOUNTON                         0x00010000UL
+#define BLK_FILE__OPEN                            0x00020000UL
 #define SOCK_FILE__IOCTL                          0x00000001UL
 #define SOCK_FILE__READ                           0x00000002UL
 #define SOCK_FILE__WRITE                          0x00000004UL
@@ -187,6 +191,7 @@
 #define FIFO_FILE__SWAPON                         0x00004000UL
 #define FIFO_FILE__QUOTAON                        0x00008000UL
 #define FIFO_FILE__MOUNTON                        0x00010000UL
+#define FIFO_FILE__OPEN                           0x00020000UL
 #define FD__USE                                   0x00000001UL
 #define SOCKET__IOCTL                             0x00000001UL
 #define SOCKET__READ                              0x00000002UL
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
index 00a2809c8506..9a9e7cd9a379 100644
--- a/security/selinux/include/netlabel.h
+++ b/security/selinux/include/netlabel.h
@@ -41,10 +41,6 @@ void selinux_netlbl_cache_invalidate(void);
 
 void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
                                       int family);
-void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
-                                     int family);
-void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec,
-                                      struct sk_security_struct *newssec);
 
 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
                                  u16 family,
@@ -73,18 +69,6 @@ static inline void selinux_netlbl_sk_security_reset(
 {
         return;
 }
-static inline void selinux_netlbl_sk_security_init(
-                                               struct sk_security_struct *ssec,
-                                               int family)
-{
-        return;
-}
-static inline void selinux_netlbl_sk_security_clone(
-                                            struct sk_security_struct *ssec,
-                                            struct sk_security_struct *newssec)
-{
-        return;
-}
 
 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
                                                u16 family,
diff --git a/security/selinux/include/netport.h b/security/selinux/include/netport.h
new file mode 100644
index 000000000000..8991752eaf93
--- /dev/null
+++ b/security/selinux/include/netport.h
@@ -0,0 +1,31 @@
+/*
+ * Network port table
+ *
+ * SELinux must keep a mapping of network ports to labels/SIDs.  This
+ * mapping is maintained as part of the normal policy but a fast cache is
+ * needed to reduce the lookup overhead.
+ *
+ * Author: Paul Moore <paul.moore@hp.com>
+ *
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2008
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _SELINUX_NETPORT_H
+#define _SELINUX_NETPORT_H
+
+int sel_netport_sid(u8 protocol, u16 pnum, u32 *sid);
+
+#endif
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index c6c2bb4ebacc..300b61bad7b3 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -28,14 +28,12 @@
 #include "avc.h"
 
 struct task_security_struct {
-        struct task_struct *task;      /* back pointer to task object */
         u32 osid;            /* SID prior to last execve */
         u32 sid;             /* current SID */
         u32 exec_sid;        /* exec SID */
         u32 create_sid;      /* fscreate SID */
         u32 keycreate_sid;   /* keycreate SID */
         u32 sockcreate_sid;  /* fscreate SID */
-        u32 ptrace_sid;      /* SID of ptrace parent */
 };
 
 struct inode_security_struct {
@@ -50,7 +48,6 @@ struct inode_security_struct {
 };
 
 struct file_security_struct {
-        struct file *file;              /* back pointer to file object */
         u32 sid;              /* SID of open file description */
         u32 fown_sid;         /* SID of file owner (for SIGIO) */
         u32 isid;             /* SID of inode at the time of file open */
@@ -73,18 +70,15 @@ struct superblock_security_struct {
 };
 
 struct msg_security_struct {
-        struct msg_msg *msg;            /* back pointer */
         u32 sid;              /* SID of message */
 };
 
 struct ipc_security_struct {
-        struct kern_ipc_perm *ipc_perm; /* back pointer */
         u16 sclass;     /* security class of this object */
         u32 sid;              /* SID of IPC resource */
 };
 
 struct bprm_security_struct {
-        struct linux_binprm *bprm;     /* back pointer to bprm object */
         u32 sid;                       /* SID for transformed process */
         unsigned char set;
 
@@ -109,8 +103,13 @@ struct netnode_security_struct {
         u16 family;                     /* address family */
 };
 
+struct netport_security_struct {
+        u32 sid;                        /* SID for this node */
+        u16 port;                       /* port number */
+        u8 protocol;                    /* transport protocol */
+};
+
 struct sk_security_struct {
-        struct sock *sk;                /* back pointer to sk object */
         u32 sid;                        /* SID of this object */
         u32 peer_sid;                   /* SID of peer */
         u16 sclass;                     /* sock security class */
@@ -120,12 +119,10 @@ struct sk_security_struct {
                 NLBL_REQUIRE,
                 NLBL_LABELED,
         } nlbl_state;
-        spinlock_t nlbl_lock;           /* protects nlbl_state */
 #endif
 };
 
 struct key_security_struct {
-        struct key *obj; /* back pointer */
         u32 sid;         /* SID of key */
 };
 
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 44e12ec88090..1904c462a605 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -26,13 +26,14 @@
 #define POLICYDB_VERSION_AVTAB          20
 #define POLICYDB_VERSION_RANGETRANS     21
 #define POLICYDB_VERSION_POLCAP         22
+#define POLICYDB_VERSION_PERMISSIVE     23
 
 /* Range of policy versions we understand*/
 #define POLICYDB_VERSION_MIN   POLICYDB_VERSION_BASE
 #ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX
 #define POLICYDB_VERSION_MAX    CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
 #else
-#define POLICYDB_VERSION_MAX    POLICYDB_VERSION_POLCAP
+#define POLICYDB_VERSION_MAX    POLICYDB_VERSION_PERMISSIVE
 #endif
 
 #define CONTEXT_MNT     0x01
@@ -40,6 +41,11 @@
 #define ROOTCONTEXT_MNT 0x04
 #define DEFCONTEXT_MNT  0x08
 
+#define CONTEXT_STR     "context="
+#define FSCONTEXT_STR   "fscontext="
+#define ROOTCONTEXT_STR "rootcontext="
+#define DEFCONTEXT_STR  "defcontext="
+
 struct netlbl_lsm_secattr;
 
 extern int selinux_enabled;
@@ -48,11 +54,13 @@ extern int selinux_mls_enabled;
 /* Policy capabilities */
 enum {
         POLICYDB_CAPABILITY_NETPEER,
+        POLICYDB_CAPABILITY_OPENPERM,
         __POLICYDB_CAPABILITY_MAX
 };
 #define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1)
 
 extern int selinux_policycap_netpeer;
+extern int selinux_policycap_openperm;
 
 int security_load_policy(void * data, size_t len);
 
@@ -67,6 +75,8 @@ struct av_decision {
         u32 seqno;
 };
 
+int security_permissive_sid(u32 sid);
+
 int security_compute_av(u32 ssid, u32 tsid,
         u16 tclass, u32 requested,
         struct av_decision *avd);
@@ -92,8 +102,7 @@ int security_context_to_sid_default(char *scontext, u32 scontext_len,
 int security_get_user_sids(u32 callsid, char *username,
                            u32 **sids, u32 *nel);
 
-int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
-        u32 *out_sid);
+int security_port_sid(u8 protocol, u16 port, u32 *out_sid);
 
 int security_netif_sid(char *name, u32 *if_sid);