--- /dev/null
+/*
+ * Copyright (c) 2012-2014 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 "utilities/SecCFRelease.h"
+#include "utilities/der_plist.h"
+#include "utilities/der_plist_internal.h"
+
+#include <corecrypto/ccder.h>
+#include <CoreFoundation/CoreFoundation.h>
+
+//
+// der..CFPropertyList
+//
+// We support:
+//
+// CFBoolean
+// CFData
+// CFDate
+// CFString
+// CFNumber
+// CFNull
+//
+// CFArray
+// CFDictionary
+//
+//
+
+const uint8_t* der_decode_plist(CFAllocatorRef allocator, CFOptionFlags mutability,
+ CFPropertyListRef* pl, CFErrorRef *error,
+ const uint8_t* der, const uint8_t *der_end)
+{ if (NULL == der)
+ return NULL;
+
+ ccder_tag tag;
+ if (NULL == ccder_decode_tag(&tag, der, der_end))
+ return NULL;
+
+ switch (tag) {
+ case CCDER_NULL:
+ return der_decode_null(allocator, mutability, (CFNullRef*)pl, error, der, der_end);
+ case CCDER_BOOLEAN:
+ return der_decode_boolean(allocator, mutability, (CFBooleanRef*)pl, error, der, der_end);
+ case CCDER_OCTET_STRING:
+ return der_decode_data(allocator, mutability, (CFDataRef*)pl, error, der, der_end);
+ case CCDER_GENERALIZED_TIME:
+ return der_decode_date(allocator, mutability, (CFDateRef*)pl, error, der, der_end);
+ case CCDER_CONSTRUCTED_SEQUENCE:
+ return der_decode_array(allocator, mutability, (CFArrayRef*)pl, error, der, der_end);
+ case CCDER_UTF8_STRING:
+ return der_decode_string(allocator, mutability, (CFStringRef*)pl, error, der, der_end);
+ case CCDER_INTEGER:
+ return der_decode_number(allocator, mutability, (CFNumberRef*)pl, error, der, der_end);
+ case CCDER_CONSTRUCTED_SET:
+ return der_decode_dictionary(allocator, mutability, (CFDictionaryRef*)pl, error, der, der_end);
+ case CCDER_CONSTRUCTED_CFSET:
+ return der_decode_set(allocator, mutability, (CFSetRef*)pl, error, der, der_end);
+ default:
+ SecCFDERCreateError(kSecDERErrorUnsupportedDERType, CFSTR("Unsupported DER Type"), NULL, error);
+ return NULL;
+ }
+}
+
+
+size_t der_sizeof_plist(CFPropertyListRef pl, CFErrorRef *error)
+{
+ if (!pl) {
+ SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Null CFType"), NULL, error);
+ return 0;
+ }
+
+ CFTypeID dataType = CFGetTypeID(pl);
+
+ if (CFArrayGetTypeID() == dataType)
+ return der_sizeof_array((CFArrayRef) pl, error);
+ else if (CFBooleanGetTypeID() == dataType)
+ return der_sizeof_boolean((CFBooleanRef) pl, error);
+ else if (CFDataGetTypeID() == dataType)
+ return der_sizeof_data((CFDataRef) pl, error);
+ else if (CFDateGetTypeID() == dataType)
+ return der_sizeof_date((CFDateRef) pl, error);
+ else if (CFDictionaryGetTypeID() == dataType)
+ return der_sizeof_dictionary((CFDictionaryRef) pl, error);
+ else if (CFSetGetTypeID() == dataType)
+ return der_sizeof_set((CFSetRef) pl, error);
+ else if (CFStringGetTypeID() == dataType)
+ return der_sizeof_string((CFStringRef) pl, error);
+ else if (CFNumberGetTypeID() == dataType)
+ return der_sizeof_number((CFNumberRef) pl, error);
+ if (CFNullGetTypeID() == dataType)
+ return der_sizeof_null((CFNullRef) pl, error);
+ else {
+ SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Unsupported CFType"), NULL, error);
+ return 0;
+ }
+}
+
+
+uint8_t* der_encode_plist(CFPropertyListRef pl, CFErrorRef *error,
+ const uint8_t *der, uint8_t *der_end)
+{
+ if (!pl) {
+ SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Null CFType"), NULL, error);
+ return NULL;
+ }
+
+ CFTypeID dataType = CFGetTypeID(pl);
+
+ if (CFArrayGetTypeID() == dataType)
+ return der_encode_array((CFArrayRef) pl, error, der, der_end);
+ else if (CFBooleanGetTypeID() == dataType)
+ return der_encode_boolean((CFBooleanRef) pl, error, der, der_end);
+ else if (CFDataGetTypeID() == dataType)
+ return der_encode_data((CFDataRef) pl, error, der, der_end);
+ else if (CFDateGetTypeID() == dataType)
+ return der_encode_date((CFDateRef) pl, error, der, der_end);
+ else if (CFDictionaryGetTypeID() == dataType)
+ return der_encode_dictionary((CFDictionaryRef) pl, error, der, der_end);
+ else if (CFSetGetTypeID() == dataType)
+ return der_encode_set((CFSetRef) pl, error, der, der_end);
+ else if (CFStringGetTypeID() == dataType)
+ return der_encode_string((CFStringRef) pl, error, der, der_end);
+ else if (CFNumberGetTypeID() == dataType)
+ return der_encode_number((CFNumberRef) pl, error, der, der_end);
+ else if (CFNullGetTypeID() == dataType)
+ return der_encode_null((CFNullRef) pl, error, der, der_end);
+ else {
+ SecCFDERCreateError(kSecDERErrorUnsupportedCFObject, CFSTR("Unsupported CFType"), NULL, error);
+ return NULL;
+ }
+}
+
+// Similar to CFPropertyListCreateData
+
+CFDataRef CFPropertyListCreateDERData(CFAllocatorRef allocator, CFPropertyListRef plist, CFErrorRef *error) {
+ size_t len = der_sizeof_plist(plist, error);
+ CFMutableDataRef encoded = CFDataCreateMutable(0, len);
+ CFDataSetLength(encoded, len);
+ uint8_t *der_end = CFDataGetMutableBytePtr(encoded);
+ const uint8_t *der = der_end;
+ der_end += len;
+ der_end = der_encode_plist(plist, error, der, der_end);
+ if (!der_end) {
+ CFReleaseNull(encoded);
+ } else {
+ assert(!der_end || der_end == der);
+ }
+ return encoded;
+}
+
+CFPropertyListRef CFPropertyListCreateWithDERData(CFAllocatorRef allocator, CFDataRef data, CFOptionFlags options, CFPropertyListFormat *format, CFErrorRef *error) {
+ CFPropertyListRef plist = NULL;
+ const uint8_t *der = CFDataGetBytePtr(data);
+ const uint8_t *der_end = der + CFDataGetLength(data);
+ der = der_decode_plist(0, kCFPropertyListMutableContainers, &plist, error, der, der_end);
+ if (der && der != der_end) {
+ SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("trailing garbage after plist item"), NULL, error);
+ CFReleaseNull(plist);
+ } else if (format) {
+ *format = kCFPropertyListDERFormat_v1_0;
+ }
+ return plist;
+}
projects / apple / security.git / blobdiff