[SECMARK]: Add SELinux exports
Add and export new functions to the in-kernel SELinux API in support of the
new secmark-based packet controls.
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/security/selinux/exports.c b/security/selinux/exports.c
index ae4c73e..9d7737d 100644
--- a/security/selinux/exports.c
+++ b/security/selinux/exports.c
@@ -72,3 +72,25 @@
*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_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_relabel_packet_permission);