-/*
- * SecExternalSourceTransform.cpp
- * libsecurity_transform
- *
- * Created by J Osborne on 8/17/10.
- * Copyright 2010 Apple. All rights reserved.
- *
- */
-
-#include "SecTransform.h"
-#include "SecCustomTransform.h"
-#include "SecExternalSourceTransform.h"
-#include <dispatch/dispatch.h>
-
-CFStringRef external_source_name = CFSTR("com.apple.security.external_source");
-
-static SecTransformInstanceBlock SecExternalSourceTransformCreateBlock(CFStringRef name, SecTransformRef newTransform, SecTransformImplementationRef ref)
-{
- return Block_copy(^{
- SecTransformCustomSetAttribute(ref, kSecTransformInputAttributeName, kSecTransformMetaAttributeRequired, kCFBooleanFalse);
-
- SecTransformAttributeRef out = SecTranformCustomGetAttribute(ref, kSecTransformOutputAttributeName, kSecTransformMetaAttributeRef);
-
- SecTransformSetAttributeAction(ref, kSecTransformActionAttributeNotification, kSecTransformInputAttributeName, ^(SecTransformAttributeRef attribute, CFTypeRef value) {
- SecTransformCustomSetAttribute(ref, out, kSecTransformMetaAttributeValue, value);
- return (CFTypeRef)NULL;
- });
-
- return (CFErrorRef)NULL;
- });
-}
-
-SecTransformRef SecExternalSourceTransformCreate(CFErrorRef* error)
-{
- static dispatch_once_t once;
- dispatch_once(&once, ^{
- SecTransformRegister(external_source_name, SecExternalSourceTransformCreateBlock, error);
- });
-
- return SecTransformCreate(external_source_name, error);
-}
\ No newline at end of file