[PATCH] selinux: Clear selinux_enabled flag upon runtime disable.
Clear selinux_enabled flag upon runtime disable of SELinux by userspace,
and make sure it is defined even if selinux= boot parameter support is
not enabled in configuration.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Tested-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 3cf368a..d987048 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -101,6 +101,8 @@
return 1;
}
__setup("selinux=", selinux_enabled_setup);
+#else
+int selinux_enabled = 1;
#endif
/* Original (dummy) security module. */
@@ -4535,6 +4537,7 @@
printk(KERN_INFO "SELinux: Disabled at runtime.\n");
selinux_disabled = 1;
+ selinux_enabled = 0;
/* Reset security_ops to the secondary module, dummy or capability. */
security_ops = secondary_ops;
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 5f016c9..063af47 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -29,12 +29,7 @@
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_AVTAB
-#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
extern int selinux_enabled;
-#else
-#define selinux_enabled 1
-#endif
-
extern int selinux_mls_enabled;
int security_load_policy(void * data, size_t len);