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-rw-r--r--security/selinux/include/security.h32
1 files changed, 30 insertions, 2 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 36993ad..6a681d2 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -35,13 +35,14 @@
#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27
#define POLICYDB_VERSION_DEFAULT_TYPE 28
#define POLICYDB_VERSION_CONSTRAINT_NAMES 29
+#define POLICYDB_VERSION_XPERMS_IOCTL 30
/* 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_CONSTRAINT_NAMES
+#define POLICYDB_VERSION_MAX POLICYDB_VERSION_XPERMS_IOCTL
#endif
/* Mask for just the mount related flags */
@@ -109,11 +110,38 @@ struct av_decision {
u32 flags;
};
+#define XPERMS_ALLOWED 1
+#define XPERMS_AUDITALLOW 2
+#define XPERMS_DONTAUDIT 4
+
+#define security_xperm_set(perms, x) (perms[x >> 5] |= 1 << (x & 0x1f))
+#define security_xperm_test(perms, x) (1 & (perms[x >> 5] >> (x & 0x1f)))
+struct extended_perms_data {
+ u32 p[8];
+};
+
+struct extended_perms_decision {
+ u8 used;
+ u8 driver;
+ struct extended_perms_data *allowed;
+ struct extended_perms_data *auditallow;
+ struct extended_perms_data *dontaudit;
+};
+
+struct extended_perms {
+ u16 len; /* length associated decision chain */
+ struct extended_perms_data drivers; /* flag drivers that are used */
+};
+
/* definitions of av_decision.flags */
#define AVD_FLAGS_PERMISSIVE 0x0001
void security_compute_av(u32 ssid, u32 tsid,
- u16 tclass, struct av_decision *avd);
+ u16 tclass, struct av_decision *avd,
+ struct extended_perms *xperms);
+
+void security_compute_xperms_decision(u32 ssid, u32 tsid, u16 tclass,
+ u8 driver, struct extended_perms_decision *xpermd);
void security_compute_av_user(u32 ssid, u32 tsid,
u16 tclass, struct av_decision *avd);
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