+++ /dev/null
-//
-// der_string.c
-// utilities
-//
-// Created by Mitch Adler on 6/18/12.
-// Copyright (c) 2012 Apple Inc. All rights reserved.
-//
-
-#include <stdio.h>
-
-#include "utilities/SecCFRelease.h"
-#include "utilities/der_plist.h"
-#include "utilities/der_plist_internal.h"
-
-#include <corecrypto/ccder.h>
-#include <CoreFoundation/CoreFoundation.h>
-
-
-const uint8_t* der_decode_string(CFAllocatorRef allocator, CFOptionFlags mutability,
- CFStringRef* string, CFErrorRef *error,
- const uint8_t* der, const uint8_t *der_end)
-{
- if (NULL == der)
- return NULL;
-
- size_t payload_size = 0;
- const uint8_t *payload = ccder_decode_tl(CCDER_UTF8_STRING, &payload_size, der, der_end);
-
- if (NULL == payload || (der_end - payload) < payload_size){
- SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("Unknown string encoding"), NULL, error);
- return NULL;
- }
-
- *string = CFStringCreateWithBytes(allocator, payload, payload_size, kCFStringEncodingUTF8, false);
-
- if (NULL == *string) {
- SecCFDERCreateError(kSecDERErrorAllocationFailure, CFSTR("String allocation failed"), NULL, error);
- return NULL;
- }
-
- return payload + payload_size;
-}
-
-
-size_t der_sizeof_string(CFStringRef str, CFErrorRef *error)
-{
- const CFIndex str_length = CFStringGetLength(str);
- const CFIndex maximum = CFStringGetMaximumSizeForEncoding(str_length, kCFStringEncodingUTF8);
-
- CFIndex encodedLen = 0;
- CFIndex converted = CFStringGetBytes(str, CFRangeMake(0, str_length), kCFStringEncodingUTF8, 0, false, NULL, maximum, &encodedLen);
-
- return ccder_sizeof(CCDER_UTF8_STRING, (converted == str_length) ? encodedLen : 0);
-}
-
-
-uint8_t* der_encode_string(CFStringRef string, CFErrorRef *error,
- const uint8_t *der, uint8_t *der_end)
-{
- // Obey the NULL allowed rules.
- if (!der_end)
- return NULL;
-
- const CFIndex str_length = CFStringGetLength(string);
-
- ptrdiff_t der_space = der_end - der;
- CFIndex bytes_used = 0;
- uint8_t *buffer = der_end - der_space;
- CFIndex converted = CFStringGetBytes(string, CFRangeMake(0, str_length), kCFStringEncodingUTF8, 0, false, buffer, der_space, &bytes_used);
- if (converted != str_length){
- SecCFDERCreateError(kSecDERErrorUnderlyingError, CFSTR("String extraction failed"), NULL, error);
- return NULL;
- }
-
- return ccder_encode_tl(CCDER_UTF8_STRING, bytes_used, der,
- ccder_encode_body(bytes_used, buffer, der, der_end));
-
-}