X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=security%2Fselinux%2Fexports.c;h=87d2bb3ea35574596536a9b67305f8f625042dea;hb=dd6f953adb5c4deb9cd7b6a5054e7d5eafe4ed71;hp=ae4c73eb30857d769f64ae731b7345d2c374bc0d;hpb=e44e20ff1273cf96c7f195297208f654c49295cf;p=mv-sheeva.git

diff --git a/security/selinux/exports.c b/security/selinux/exports.c
index ae4c73eb308..87d2bb3ea35 100644
--- a/security/selinux/exports.c
+++ b/security/selinux/exports.c
@@ -17,23 +17,18 @@
 #include <linux/selinux.h>
 #include <linux/fs.h>
 #include <linux/ipc.h>
+#include <asm/atomic.h>
 
 #include "security.h"
 #include "objsec.h"
 
-void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
-{
-	struct task_security_struct *tsec = tsk->security;
-	if (selinux_enabled)
-		*ctxid = tsec->sid;
-	else
-		*ctxid = 0;
-}
+/* SECMARK reference count */
+extern atomic_t selinux_secmark_refcount;
 
-int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
+int selinux_sid_to_string(u32 sid, char **ctx, u32 *ctxlen)
 {
 	if (selinux_enabled)
-		return security_sid_to_context(ctxid, ctx, ctxlen);
+		return security_sid_to_context(sid, ctx, ctxlen);
 	else {
 		*ctx = NULL;
 		*ctxlen = 0;
@@ -72,3 +67,37 @@ void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
 	*sid = 0;
 }
 
+int selinux_string_to_sid(char *str, u32 *sid)
+{
+	if (selinux_enabled)
+		return security_context_to_sid(str, strlen(str), sid);
+	else {
+		*sid = 0;
+		return 0;
+	}
+}
+EXPORT_SYMBOL_GPL(selinux_string_to_sid);
+
+int selinux_secmark_relabel_packet_permission(u32 sid)
+{
+	if (selinux_enabled) {
+		struct task_security_struct *tsec = current->security;
+
+		return avc_has_perm(tsec->sid, sid, SECCLASS_PACKET,
+				    PACKET__RELABELTO, NULL);
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(selinux_secmark_relabel_packet_permission);
+
+void selinux_secmark_refcount_inc(void)
+{
+	atomic_inc(&selinux_secmark_refcount);
+}
+EXPORT_SYMBOL_GPL(selinux_secmark_refcount_inc);
+
+void selinux_secmark_refcount_dec(void)
+{
+	atomic_dec(&selinux_secmark_refcount);
+}
+EXPORT_SYMBOL_GPL(selinux_secmark_refcount_dec);