SELinux: more GFP_NOFS fixups to prevent selinux from re-entering the fs code

[sfrench/cifs-2.6.git] / security / selinux / include / security.h

diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 83bdd4d2a29e1ad4713367e2b506a3e756c1079f..44e12ec880907b2a88ac5d29a4dd7fd82badafb1 100644 (file)
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -25,22 +25,39 @@
 #define POLICYDB_VERSION_MLS           19
 #define POLICYDB_VERSION_AVTAB         20
 #define POLICYDB_VERSION_RANGETRANS    21
+#define POLICYDB_VERSION_POLCAP                22
 
 /* 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_RANGETRANS
+#define POLICYDB_VERSION_MAX   POLICYDB_VERSION_POLCAP
 #endif
 
+#define CONTEXT_MNT    0x01
+#define FSCONTEXT_MNT  0x02
+#define ROOTCONTEXT_MNT        0x04
+#define DEFCONTEXT_MNT 0x08
+
 struct netlbl_lsm_secattr;
 
 extern int selinux_enabled;
 extern int selinux_mls_enabled;
 
+/* Policy capabilities */
+enum {
+       POLICYDB_CAPABILITY_NETPEER,
+       __POLICYDB_CAPABILITY_MAX
+};
+#define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1)
+
+extern int selinux_policycap_netpeer;
+
 int security_load_policy(void * data, size_t len);
 
+int security_policycap_supported(unsigned int req_cap);
+
 #define SEL_VEC_MAX 32
 struct av_decision {
        u32 allowed;
@@ -69,7 +86,8 @@ int security_sid_to_context(u32 sid, char **scontext,
 int security_context_to_sid(char *scontext, u32 scontext_len,
        u32 *out_sid);
 
-int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid);
+int security_context_to_sid_default(char *scontext, u32 scontext_len,
+                                   u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
 
 int security_get_user_sids(u32 callsid, char *username,
                           u32 **sids, u32 *nel);
@@ -77,8 +95,7 @@ int security_get_user_sids(u32 callsid, char *username,
 int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
        u32 *out_sid);
 
-int security_netif_sid(char *name, u32 *if_sid,
-       u32 *msg_sid);
+int security_netif_sid(char *name, u32 *if_sid);
 
 int security_node_sid(u16 domain, void *addr, u32 addrlen,
        u32 *out_sid);
@@ -88,8 +105,14 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
 
 int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid);
 
+int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type,
+                                u32 xfrm_sid,
+                                u32 *peer_sid);
+
 int security_get_classes(char ***classes, int *nclasses);
 int security_get_permissions(char *class, char ***perms, int *nperms);
+int security_get_reject_unknown(void);
+int security_get_allow_unknown(void);
 
 #define SECURITY_FS_USE_XATTR          1 /* use xattr */
 #define SECURITY_FS_USE_TRANS          2 /* use transition SIDs, e.g. devpts/tmpfs */
@@ -106,7 +129,6 @@ int security_genfs_sid(const char *fstype, char *name, u16 sclass,
 
 #ifdef CONFIG_NETLABEL
 int security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr,
-                                  u32 base_sid,
                                   u32 *sid);
 
 int security_netlbl_sid_to_secattr(u32 sid,
@@ -114,7 +136,6 @@ int security_netlbl_sid_to_secattr(u32 sid,
 #else
 static inline int security_netlbl_secattr_to_sid(
                                            struct netlbl_lsm_secattr *secattr,
-                                           u32 base_sid,
                                            u32 *sid)
 {
        return -EIDRM;