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[apple/security.git] / OSX / utilities / src / der_set.c
diff --git a/OSX/utilities/src/der_set.c b/OSX/utilities/src/der_set.c
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@@ -1,186 +0,0 @@
-/*
- * Copyright (c) 2015 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-#include <stdio.h>
-#include "der_set.h"
-
-#include "utilities/SecCFRelease.h"
-#include "utilities/der_plist.h"
-#include "utilities/der_plist_internal.h"
-#include "utilities/SecCFWrappers.h"
-
-#include <corecrypto/ccder.h>
-#include <CoreFoundation/CoreFoundation.h>
-
-const uint8_t* der_decode_set(CFAllocatorRef allocator, CFOptionFlags mutability,
-                                     CFSetRef* set, CFErrorRef *error,
-                                     const uint8_t* der, const uint8_t *der_end)
-{
-    if (NULL == der)
-        return NULL;
-    
-    const uint8_t *payload_end = 0;
-    const uint8_t *payload = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_CFSET, &payload_end, der, der_end);
-    
-    if (NULL == payload) {
-        SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("Unknown data encoding, expected CCDER_CONSTRUCTED_CFSET"), NULL, error);
-        return NULL;
-    }
-    
-    CFMutableSetRef theSet = (set && *set) ? CFSetCreateMutableCopy(allocator, 0, *set)
-                                           : CFSetCreateMutable(allocator, 0, &kCFTypeSetCallBacks);
-    
-    if (NULL == theSet) {
-        SecCFDERCreateError(kSecDERErrorAllocationFailure, CFSTR("Failed to create set"), NULL, error);
-        payload = NULL;
-        goto exit;
-    }
-    
-    while (payload != NULL && payload < payload_end) {
-        CFTypeRef value = NULL;
-        
-        payload = der_decode_plist(allocator, mutability, &value, error, payload, payload_end);
-        
-        if (payload) {
-            CFSetAddValue(theSet, value);
-        }
-        CFReleaseNull(value);
-    }
-    
-    
-exit:
-    if (payload == payload_end && set) {
-        CFTransferRetained(*set, theSet);
-    }
-    
-    CFReleaseNull(theSet);
-    
-    return payload;
-}
-
-struct size_context {
-    bool   success;
-    size_t size;
-    CFErrorRef *error;
-};
-
-static void add_value_size(const void *value_void, void *context_void)
-{
-    CFTypeRef value = (CFTypeRef) value_void;
-    struct size_context *context = (struct size_context*) context_void;
-    
-    if (!context->success)
-        return;
-    
-    size_t kv_size = der_sizeof_plist(value, context->error);
-    if (kv_size == 0) {
-        context->success = false;
-        return;
-    }
-    
-    context->size += kv_size;
-}
-
-size_t der_sizeof_set(CFSetRef dict, CFErrorRef *error)
-{
-    struct size_context context = { .success = true, .size = 0, .error = error };
-    
-    CFSetApplyFunction(dict, add_value_size, &context);
-    
-    if (!context.success)
-        return 0;
-    
-    return ccder_sizeof(CCDER_CONSTRUCTED_CFSET, context.size);
-}
-
-struct encode_context {
-    bool         success;
-    CFErrorRef * error;
-    CFMutableArrayRef list;
-    CFAllocatorRef allocator;
-};
-
-static void add_sequence_to_array(const void *value_void, void *context_void)
-{
-    struct encode_context *context = (struct encode_context *) context_void;
-    if (context->success) {
-        size_t der_size = der_sizeof_plist(value_void, context->error);
-        if (der_size == 0) {
-            context-> success = false;
-        } else {
-            CFMutableDataRef value = CFDataCreateMutable(context->allocator, der_size);
-            CFDataSetLength(value, der_size);
-            
-            uint8_t* const encode_begin = CFDataGetMutableBytePtr(value);
-            uint8_t *encode_end = encode_begin + der_size;
-            
-            encode_end = der_encode_plist(value_void, context->error, encode_begin, encode_end);
-            
-            if (encode_end != NULL) {
-                CFDataDeleteBytes(value, CFRangeMake(0, (encode_end - encode_begin)));
-                CFArrayAppendValue(context->list, value);
-            } else {
-                context-> success = false;
-            }
-            CFReleaseNull(value);
-        }
-    }
-}
-
-static CFComparisonResult cfdata_compare_contents(const void *val1, const void *val2, void *context __unused)
-{
-    return CFDataCompare((CFDataRef) val1, (CFDataRef) val2);
-}
-
-
-uint8_t* der_encode_set(CFSetRef set, CFErrorRef *error,
-                               const uint8_t *der, uint8_t *der_end)
-{
-    CFMutableArrayRef elements = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
-    
-    struct encode_context context = { .success = true, .error = error, .list = elements };
-    CFSetApplyFunction(set, add_sequence_to_array, &context);
-    
-    if (!context.success) {
-        CFReleaseNull(elements);
-        return NULL;
-    }
-    
-    CFRange allOfThem = CFRangeMake(0, CFArrayGetCount(elements));
-    
-    CFArraySortValues(elements, allOfThem, cfdata_compare_contents, NULL);
-
-    uint8_t* original_der_end = der_end;
-    
-    for(CFIndex position = CFArrayGetCount(elements); position > 0;) {
-        --position;
-        CFDataRef data = CFArrayGetValueAtIndex(elements, position);
-        der_end = ccder_encode_body(CFDataGetLength(data), CFDataGetBytePtr(data), der, der_end);
-    }
-    
-    CFReleaseNull(elements);
-    
-    return ccder_encode_constructed_tl(CCDER_CONSTRUCTED_CFSET, original_der_end, der, der_end);
-    
-}