--- /dev/null
+/*
+ * Copyright (c) 2013-2014 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 <stdlib.h>
+#include <assert.h>
+#include <AssertMacros.h>
+#include "SOSAccountPriv.h"
+
+#include <utilities/SecCFWrappers.h>
+#include <SecureObjectSync/SOSKVSKeys.h>
+
+SOSAccountRef SOSAccountCreateFromDER_V1(CFAllocatorRef allocator,
+ SOSDataSourceFactoryRef factory,
+ CFErrorRef* error,
+ const uint8_t** der_p, const uint8_t *der_end)
+{
+ SOSAccountRef account = NULL;
+
+ const uint8_t *sequence_end;
+ *der_p = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, &sequence_end, *der_p, der_end);
+
+ {
+ CFDictionaryRef decoded_gestalt = NULL;
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListImmutable, &decoded_gestalt, error,
+ *der_p, der_end);
+
+ if (*der_p == 0)
+ return NULL;
+
+ account = SOSAccountCreateBasic(allocator, decoded_gestalt, factory);
+ CFReleaseNull(decoded_gestalt);
+ }
+
+ CFArrayRef array = NULL;
+ *der_p = der_decode_array(kCFAllocatorDefault, 0, &array, error, *der_p, sequence_end);
+
+ *der_p = ccder_decode_bool(&account->user_public_trusted, *der_p, sequence_end);
+ *der_p = der_decode_public_bytes(kCFAllocatorDefault, kSecECDSAAlgorithmID, &account->user_public, error, *der_p, sequence_end);
+ *der_p = der_decode_data_or_null(kCFAllocatorDefault, &account->user_key_parameters, error, *der_p, sequence_end);
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListMutableContainers, (CFDictionaryRef *) &account->retired_peers, error, *der_p, sequence_end);
+ if (*der_p != sequence_end)
+ *der_p = NULL;
+
+ __block bool success = true;
+
+ require_quiet(array && *der_p, fail);
+
+ CFArrayForEach(array, ^(const void *value) {
+ if (success) {
+ if (isString(value)) {
+ CFDictionaryAddValue(account->circles, value, kCFNull);
+ } else {
+ CFDataRef circleData = NULL;
+ CFDataRef fullPeerInfoData = NULL;
+
+ if (isData(value)) {
+ circleData = (CFDataRef) value;
+ } else if (isArray(value)) {
+ CFArrayRef pair = (CFArrayRef) value;
+
+ CFTypeRef circleObject = CFArrayGetValueAtIndex(pair, 0);
+ CFTypeRef fullPeerInfoObject = CFArrayGetValueAtIndex(pair, 1);
+
+ if (CFArrayGetCount(pair) == 2 && isData(circleObject) && isData(fullPeerInfoObject)) {
+ circleData = (CFDataRef) circleObject;
+ fullPeerInfoData = (CFDataRef) fullPeerInfoObject;
+ }
+ }
+
+ if (circleData) {
+ SOSCircleRef circle = SOSCircleCreateFromData(kCFAllocatorDefault, circleData, error);
+ require_action_quiet(circle, fail, success = false);
+
+ CFStringRef circleName = SOSCircleGetName(circle);
+ CFDictionaryAddValue(account->circles, circleName, circle);
+
+ if (fullPeerInfoData) {
+ SOSFullPeerInfoRef full_peer = SOSFullPeerInfoCreateFromData(kCFAllocatorDefault, fullPeerInfoData, error);
+ require_action_quiet(full_peer, fail, success = false);
+
+ CFDictionaryAddValue(account->circle_identities, circleName, full_peer);
+ CFReleaseNull(full_peer);
+ }
+ fail:
+ CFReleaseNull(circle);
+ }
+ }
+ }
+ });
+ CFReleaseNull(array);
+
+ require_quiet(success, fail);
+ require_action_quiet(SOSAccountEnsureFactoryCircles(account), fail,
+ SOSCreateError(kSOSErrorBadFormat, CFSTR("Cannot EnsureFactoryCircles"), (error != NULL) ? *error : NULL, error));
+
+ return account;
+
+fail:
+ // Create a default error if we don't have one:
+ SOSCreateError(kSOSErrorBadFormat, CFSTR("Bad Account DER"), NULL, error);
+ CFReleaseNull(account);
+ return NULL;
+}
+
+SOSAccountRef SOSAccountCreateFromDER_V2(CFAllocatorRef allocator,
+ SOSDataSourceFactoryRef factory,
+ CFErrorRef* error,
+ const uint8_t** der_p, const uint8_t *der_end)
+{
+ SOSAccountRef account = NULL;
+ const uint8_t *dersave = *der_p;
+ const uint8_t *derend = der_end;
+
+ const uint8_t *sequence_end;
+ *der_p = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, &sequence_end, *der_p, der_end);
+
+ {
+ CFDictionaryRef decoded_gestalt = NULL;
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListImmutable, &decoded_gestalt, error,
+ *der_p, der_end);
+
+ if (*der_p == 0)
+ return NULL;
+
+ account = SOSAccountCreateBasic(allocator, decoded_gestalt, factory);
+ CFReleaseNull(decoded_gestalt);
+ }
+
+ CFArrayRef array = NULL;
+ *der_p = der_decode_array(kCFAllocatorDefault, 0, &array, error, *der_p, sequence_end);
+
+ uint64_t tmp_departure_code = kSOSNeverAppliedToCircle;
+ *der_p = ccder_decode_uint64(&tmp_departure_code, *der_p, sequence_end);
+ *der_p = ccder_decode_bool(&account->user_public_trusted, *der_p, sequence_end);
+ *der_p = der_decode_public_bytes(kCFAllocatorDefault, kSecECDSAAlgorithmID, &account->user_public, error, *der_p, sequence_end);
+ *der_p = der_decode_data_or_null(kCFAllocatorDefault, &account->user_key_parameters, error, *der_p, sequence_end);
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListMutableContainers, (CFDictionaryRef *) &account->retired_peers, error, *der_p, sequence_end);
+ if (*der_p != sequence_end)
+ *der_p = NULL;
+ account->departure_code = (enum DepartureReason) tmp_departure_code;
+
+ __block bool success = true;
+
+ require_quiet(array && *der_p, fail);
+
+ CFArrayForEach(array, ^(const void *value) {
+ if (success) {
+ if (isString(value)) {
+ CFDictionaryAddValue(account->circles, value, kCFNull);
+ } else {
+ CFDataRef circleData = NULL;
+ CFDataRef fullPeerInfoData = NULL;
+
+ if (isData(value)) {
+ circleData = (CFDataRef) value;
+ } else if (isArray(value)) {
+ CFArrayRef pair = (CFArrayRef) value;
+
+ CFTypeRef circleObject = CFArrayGetValueAtIndex(pair, 0);
+ CFTypeRef fullPeerInfoObject = CFArrayGetValueAtIndex(pair, 1);
+
+ if (CFArrayGetCount(pair) == 2 && isData(circleObject) && isData(fullPeerInfoObject)) {
+ circleData = (CFDataRef) circleObject;
+ fullPeerInfoData = (CFDataRef) fullPeerInfoObject;
+ }
+ }
+
+ if (circleData) {
+ SOSCircleRef circle = SOSCircleCreateFromData(kCFAllocatorDefault, circleData, error);
+ require_action_quiet(circle, fail, success = false);
+
+ CFStringRef circleName = SOSCircleGetName(circle);
+ CFDictionaryAddValue(account->circles, circleName, circle);
+
+ if (fullPeerInfoData) {
+ SOSFullPeerInfoRef full_peer = SOSFullPeerInfoCreateFromData(kCFAllocatorDefault, fullPeerInfoData, error);
+ require_action_quiet(full_peer, fail, success = false);
+
+ CFDictionaryAddValue(account->circle_identities, circleName, full_peer);
+ CFReleaseSafe(full_peer);
+ }
+ fail:
+ CFReleaseNull(circle);
+ }
+ }
+ }
+ });
+ CFReleaseNull(array);
+
+ require_quiet(success, fail);
+ require_action_quiet(SOSAccountEnsureFactoryCircles(account), fail,
+ SOSCreateError(kSOSErrorBadFormat, CFSTR("Cannot EnsureFactoryCircles"), (error != NULL) ? *error : NULL, error));
+
+ return account;
+
+fail:
+ // Create a default error if we don't have one:
+ account->factory = NULL; // give the factory back.
+ CFReleaseNull(account);
+ // Try the der inflater from the previous release.
+ account = SOSAccountCreateFromDER_V1(allocator, factory, error, &dersave, derend);
+ if(account) account->departure_code = kSOSNeverAppliedToCircle;
+ return account;
+}
+
+static void SOSAccountConvertKVSDictionaryToRetirementDictionary(SOSAccountRef account)
+{
+ CFMutableDictionaryRef old_retired_peers = account->retired_peers;
+ account->retired_peers = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
+
+ CFDictionaryForEach(old_retired_peers, ^(const void *key, const void *value) {
+ if (isDictionary(value)) {
+ CFDictionaryAddValue(account->retired_peers, key, value);
+ } else if (isString(key) && isData(value)) {
+ CFDataRef retired_peer_data = (CFDataRef) value;
+ CFStringRef circle_name = NULL;
+ CFStringRef retired_peer_id = NULL;
+
+ if (kRetirementKey == SOSKVSKeyGetKeyTypeAndParse(key, &circle_name, &retired_peer_id, NULL)) {
+ CFMutableDictionaryRef circle_retirees = CFDictionaryEnsureCFDictionaryAndGetCurrentValue(account->retired_peers, circle_name);
+
+ CFDictionarySetValue(circle_retirees, retired_peer_id, retired_peer_data);
+ }
+
+ CFReleaseSafe(circle_name);
+ CFReleaseSafe(retired_peer_id);
+ }
+ });
+ CFReleaseSafe(old_retired_peers);
+}
+
+
+#define CURRENT_ACCOUNT_PERSISTENT_VERSION 6
+
+SOSAccountRef SOSAccountCreateFromDER(CFAllocatorRef allocator,
+ SOSDataSourceFactoryRef factory,
+ CFErrorRef* error,
+ const uint8_t** der_p, const uint8_t *der_end)
+{
+ SOSAccountRef account = NULL;
+#if UPGRADE_FROM_PREVIOUS_VERSION
+ const uint8_t *dersave = *der_p;
+ const uint8_t *derend = der_end;
+#endif
+ uint64_t version = 0;
+
+ const uint8_t *sequence_end;
+ *der_p = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, &sequence_end, *der_p, der_end);
+ *der_p = ccder_decode_uint64(&version, *der_p, sequence_end);
+ if(!(*der_p) || version < CURRENT_ACCOUNT_PERSISTENT_VERSION) {
+#if UPGRADE_FROM_PREVIOUS_VERSION
+ return SOSAccountCreateFromDER_V3(allocator, factory, error, &dersave, derend);
+#else
+ return NULL;
+#endif
+ }
+
+ {
+ CFDictionaryRef decoded_gestalt = NULL;
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListImmutable, &decoded_gestalt, error,
+ *der_p, der_end);
+
+ if (*der_p == 0)
+ return NULL;
+
+ account = SOSAccountCreateBasic(allocator, decoded_gestalt, factory);
+ CFReleaseNull(decoded_gestalt);
+ }
+
+ CFArrayRef array = NULL;
+ *der_p = der_decode_array(kCFAllocatorDefault, 0, &array, error, *der_p, sequence_end);
+
+ uint64_t tmp_departure_code = kSOSNeverAppliedToCircle;
+ *der_p = ccder_decode_uint64(&tmp_departure_code, *der_p, sequence_end);
+ *der_p = ccder_decode_bool(&account->user_public_trusted, *der_p, sequence_end);
+ *der_p = der_decode_public_bytes(kCFAllocatorDefault, kSecECDSAAlgorithmID, &account->user_public, error, *der_p, sequence_end);
+ *der_p = der_decode_public_bytes(kCFAllocatorDefault, kSecECDSAAlgorithmID, &account->previous_public, error, *der_p, sequence_end);
+ *der_p = der_decode_data_or_null(kCFAllocatorDefault, &account->user_key_parameters, error, *der_p, sequence_end);
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListMutableContainers, (CFDictionaryRef *) &account->retired_peers, error, *der_p, sequence_end);
+ if (*der_p != sequence_end)
+ *der_p = NULL;
+ account->departure_code = (enum DepartureReason) tmp_departure_code;
+
+ __block bool success = true;
+
+ require_quiet(array && *der_p, fail);
+
+ CFArrayForEach(array, ^(const void *value) {
+ if (success) {
+ if (isString(value)) {
+ CFDictionaryAddValue(account->circles, value, kCFNull);
+ } else {
+ CFDataRef circleData = NULL;
+ CFDataRef fullPeerInfoData = NULL;
+
+ if (isData(value)) {
+ circleData = (CFDataRef) value;
+ } else if (isArray(value)) {
+ CFArrayRef pair = (CFArrayRef) value;
+
+ CFTypeRef circleObject = CFArrayGetValueAtIndex(pair, 0);
+ CFTypeRef fullPeerInfoObject = CFArrayGetValueAtIndex(pair, 1);
+
+ if (CFArrayGetCount(pair) == 2 && isData(circleObject) && isData(fullPeerInfoObject)) {
+ circleData = (CFDataRef) circleObject;
+ fullPeerInfoData = (CFDataRef) fullPeerInfoObject;
+ }
+ }
+
+ if (circleData) {
+ SOSCircleRef circle = SOSCircleCreateFromData(kCFAllocatorDefault, circleData, error);
+ require_action_quiet(circle, fail, success = false);
+
+ CFStringRef circleName = SOSCircleGetName(circle);
+ CFDictionaryAddValue(account->circles, circleName, circle);
+
+ if (fullPeerInfoData) {
+ SOSFullPeerInfoRef full_peer = SOSFullPeerInfoCreateFromData(kCFAllocatorDefault, fullPeerInfoData, error);
+ require_action_quiet(full_peer, fail, success = false);
+
+ CFDictionaryAddValue(account->circle_identities, circleName, full_peer);
+ CFReleaseNull(full_peer);
+ }
+ fail:
+ CFReleaseNull(circle);
+ }
+ }
+ }
+ });
+ CFReleaseNull(array);
+
+ require_quiet(success, fail);
+ require_action_quiet(SOSAccountEnsureFactoryCircles(account), fail,
+ SOSCreateError(kSOSErrorBadFormat, CFSTR("Cannot EnsureFactoryCircles"), (error != NULL) ? *error : NULL, error));
+
+ SOSAccountConvertKVSDictionaryToRetirementDictionary(account);
+
+ return account;
+
+fail:
+ account->factory = NULL; // give the factory back.
+ CFReleaseNull(account);
+ return NULL;
+}
+
+
+SOSAccountRef SOSAccountCreateFromDER_V3(CFAllocatorRef allocator,
+ SOSDataSourceFactoryRef factory,
+ CFErrorRef* error,
+ const uint8_t** der_p, const uint8_t *der_end)
+{
+ SOSAccountRef account = NULL;
+ uint64_t version = 0;
+
+ const uint8_t *sequence_end;
+ *der_p = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, &sequence_end, *der_p, der_end);
+ *der_p = ccder_decode_uint64(&version, *der_p, sequence_end);
+ if(!(*der_p) || version != 3) {
+ // In this case we want to silently fail so that an account gets newly created.
+ return NULL;
+ }
+
+ {
+ CFDictionaryRef decoded_gestalt = NULL;
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListImmutable, &decoded_gestalt, error,
+ *der_p, der_end);
+
+ if (*der_p == 0)
+ return NULL;
+
+ account = SOSAccountCreateBasic(allocator, decoded_gestalt, factory);
+ CFReleaseNull(decoded_gestalt);
+ }
+
+ CFArrayRef array = NULL;
+ *der_p = der_decode_array(kCFAllocatorDefault, 0, &array, error, *der_p, sequence_end);
+
+ uint64_t tmp_departure_code = kSOSNeverAppliedToCircle;
+ *der_p = ccder_decode_uint64(&tmp_departure_code, *der_p, sequence_end);
+ *der_p = ccder_decode_bool(&account->user_public_trusted, *der_p, sequence_end);
+ *der_p = der_decode_public_bytes(kCFAllocatorDefault, kSecECDSAAlgorithmID, &account->user_public, error, *der_p, sequence_end);
+ *der_p = der_decode_data_or_null(kCFAllocatorDefault, &account->user_key_parameters, error, *der_p, sequence_end);
+ *der_p = der_decode_dictionary(kCFAllocatorDefault, kCFPropertyListMutableContainers, (CFDictionaryRef *) &account->retired_peers, error, *der_p, sequence_end);
+ if (*der_p != sequence_end)
+ *der_p = NULL;
+ account->departure_code = (enum DepartureReason) tmp_departure_code;
+
+ __block bool success = true;
+
+ require_quiet(array && *der_p, fail);
+
+ CFArrayForEach(array, ^(const void *value) {
+ if (success) {
+ if (isString(value)) {
+ CFDictionaryAddValue(account->circles, value, kCFNull);
+ } else {
+ CFDataRef circleData = NULL;
+ CFDataRef fullPeerInfoData = NULL;
+
+ if (isData(value)) {
+ circleData = (CFDataRef) value;
+ } else if (isArray(value)) {
+ CFArrayRef pair = (CFArrayRef) value;
+
+ CFTypeRef circleObject = CFArrayGetValueAtIndex(pair, 0);
+ CFTypeRef fullPeerInfoObject = CFArrayGetValueAtIndex(pair, 1);
+
+ if (CFArrayGetCount(pair) == 2 && isData(circleObject) && isData(fullPeerInfoObject)) {
+ circleData = (CFDataRef) circleObject;
+ fullPeerInfoData = (CFDataRef) fullPeerInfoObject;
+ }
+ }
+
+ if (circleData) {
+ SOSCircleRef circle = SOSCircleCreateFromData(kCFAllocatorDefault, circleData, error);
+ require_action_quiet(circle, fail, success = false);
+
+ CFStringRef circleName = SOSCircleGetName(circle);
+ CFDictionaryAddValue(account->circles, circleName, circle);
+
+ if (fullPeerInfoData) {
+ SOSFullPeerInfoRef full_peer = SOSFullPeerInfoCreateFromData(kCFAllocatorDefault, fullPeerInfoData, error);
+ require_action_quiet(full_peer, fail, success = false);
+
+ CFDictionaryAddValue(account->circle_identities, circleName, full_peer);
+ CFReleaseNull(full_peer);
+ }
+ fail:
+ CFReleaseNull(circle);
+ }
+ }
+ }
+ });
+ CFReleaseNull(array);
+
+ require_quiet(success, fail);
+ require_action_quiet(SOSAccountEnsureFactoryCircles(account), fail,
+ SOSCreateError(kSOSErrorBadFormat, CFSTR("Cannot EnsureFactoryCircles"), (error != NULL) ? *error : NULL, error));
+
+ SOSAccountConvertKVSDictionaryToRetirementDictionary(account);
+
+ return account;
+
+fail:
+ // Create a default error if we don't have one:
+ account->factory = NULL; // give the factory back.
+ CFReleaseNull(account);
+ // Don't try the der inflater from the previous release.
+ // account = SOSAccountCreateFromDER_V2(allocator, transport, factory, error, &dersave, derend);
+ if(account) account->departure_code = kSOSNeverAppliedToCircle;
+ return account;
+}
+
+SOSAccountRef SOSAccountCreateFromData(CFAllocatorRef allocator, CFDataRef circleData,
+ SOSDataSourceFactoryRef factory,
+ CFErrorRef* error)
+{
+ size_t size = CFDataGetLength(circleData);
+ const uint8_t *der = CFDataGetBytePtr(circleData);
+ SOSAccountRef account = SOSAccountCreateFromDER(allocator, factory,
+ error,
+ &der, der + size);
+ return account;
+}
+
+static CFMutableArrayRef SOSAccountCopyCircleArrayToEncode(SOSAccountRef account)
+{
+ CFMutableArrayRef arrayToEncode = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
+
+ CFDictionaryForEach(account->circles, ^(const void *key, const void *value) {
+ if (isNull(value)) {
+ CFArrayAppendValue(arrayToEncode, key); // Encode the name of the circle that's out of date.
+ } else {
+ SOSCircleRef circle = (SOSCircleRef) value;
+ CFDataRef encodedCircle = SOSCircleCopyEncodedData(circle, kCFAllocatorDefault, NULL);
+ CFTypeRef arrayEntry = encodedCircle;
+ CFRetainSafe(arrayEntry);
+
+ SOSFullPeerInfoRef full_peer = (SOSFullPeerInfoRef) CFDictionaryGetValue(account->circle_identities, key);
+
+ if (full_peer) {
+ CFDataRef encodedPeer = SOSFullPeerInfoCopyEncodedData(full_peer, kCFAllocatorDefault, NULL);
+ CFTypeRef originalArrayEntry = arrayEntry;
+ arrayEntry = CFArrayCreateForCFTypes(kCFAllocatorDefault, encodedCircle, encodedPeer, NULL);
+
+ CFReleaseSafe(originalArrayEntry);
+ CFReleaseNull(encodedPeer);
+ }
+
+ CFArrayAppendValue(arrayToEncode, arrayEntry);
+
+ CFReleaseSafe(arrayEntry);
+ CFReleaseNull(encodedCircle);
+ }
+
+ });
+
+ return arrayToEncode;
+}
+
+size_t SOSAccountGetDEREncodedSize(SOSAccountRef account, CFErrorRef *error)
+{
+ size_t sequence_size = 0;
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+ uint64_t version = CURRENT_ACCOUNT_PERSISTENT_VERSION;
+
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_uint64(version)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->gestalt, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_array(arrayToEncode, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_uint64(account->departure_code)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_bool(account->user_public_trusted, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_public_bytes(account->user_public, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_public_bytes(account->previous_public, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_data_or_null(account->user_key_parameters, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->retired_peers, error)), fail);
+
+ CFReleaseNull(arrayToEncode);
+ return ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, sequence_size);
+
+fail:
+ CFReleaseNull(arrayToEncode);
+ SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("don't know how to encode"), NULL, error);
+ return 0;
+}
+
+uint8_t* SOSAccountEncodeToDER(SOSAccountRef account, CFErrorRef* error, const uint8_t* der, uint8_t* der_end)
+{
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+ uint64_t version = CURRENT_ACCOUNT_PERSISTENT_VERSION;
+ der_end = ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, der_end, der,
+ ccder_encode_uint64(version, der,
+ der_encode_dictionary(account->gestalt, error, der,
+ der_encode_array(arrayToEncode, error, der,
+ ccder_encode_uint64(account->departure_code, der,
+ ccder_encode_bool(account->user_public_trusted, der,
+ der_encode_public_bytes(account->user_public, error, der,
+ der_encode_public_bytes(account->previous_public, error, der,
+ der_encode_data_or_null(account->user_key_parameters, error, der,
+ der_encode_dictionary(account->retired_peers, error, der, der_end))))))))));
+
+ CFReleaseNull(arrayToEncode);
+
+ return der_end;
+}
+
+
+
+size_t SOSAccountGetDEREncodedSize_V3(SOSAccountRef account, CFErrorRef *error)
+{
+ size_t sequence_size = 0;
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+ uint64_t version = CURRENT_ACCOUNT_PERSISTENT_VERSION;
+
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_uint64(version)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->gestalt, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_array(arrayToEncode, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_uint64(account->departure_code)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_bool(account->user_public_trusted, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_public_bytes(account->user_public, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_data_or_null(account->user_key_parameters, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->retired_peers, error)), fail);
+
+ CFReleaseNull(arrayToEncode);
+ return ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, sequence_size);
+
+fail:
+ CFReleaseNull(arrayToEncode);
+ SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("don't know how to encode"), NULL, error);
+ return 0;
+}
+
+uint8_t* SOSAccountEncodeToDER_V3(SOSAccountRef account, CFErrorRef* error, const uint8_t* der, uint8_t* der_end)
+{
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+ uint64_t version = 3;
+ der_end = ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, der_end, der,
+ ccder_encode_uint64(version, der,
+ der_encode_dictionary(account->gestalt, error, der,
+ der_encode_array(arrayToEncode, error, der,
+ ccder_encode_uint64(account->departure_code, der,
+ ccder_encode_bool(account->user_public_trusted, der,
+ der_encode_public_bytes(account->user_public, error, der,
+ der_encode_data_or_null(account->user_key_parameters, error, der,
+ der_encode_dictionary(account->retired_peers, error, der, der_end)))))))));
+
+ CFReleaseNull(arrayToEncode);
+
+ return der_end;
+}
+
+/* Original V2 encoders */
+
+size_t SOSAccountGetDEREncodedSize_V2(SOSAccountRef account, CFErrorRef *error)
+{
+ size_t sequence_size = 0;
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->gestalt, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_array(arrayToEncode, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_uint64(account->departure_code)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_bool(account->user_public_trusted, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_public_bytes(account->user_public, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_data_or_null(account->user_key_parameters, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->retired_peers, error)), fail);
+
+ CFReleaseNull(arrayToEncode);
+ return ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, sequence_size);
+
+fail:
+ CFReleaseNull(arrayToEncode);
+ SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("don't know how to encode"), NULL, error);
+ return 0;
+}
+
+uint8_t* SOSAccountEncodeToDER_V2(SOSAccountRef account, CFErrorRef* error, const uint8_t* der, uint8_t* der_end)
+{
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+
+ der_end = ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, der_end, der,
+ der_encode_dictionary(account->gestalt, error, der,
+ der_encode_array(arrayToEncode, error, der,
+ ccder_encode_uint64(account->departure_code, der,
+ ccder_encode_bool(account->user_public_trusted, der,
+ der_encode_public_bytes(account->user_public, error, der,
+ der_encode_data_or_null(account->user_key_parameters, error, der,
+ der_encode_dictionary(account->retired_peers, error, der, der_end))))))));
+
+ CFReleaseNull(arrayToEncode);
+
+ return der_end;
+}
+
+
+/* Original V1 encoders */
+
+
+size_t SOSAccountGetDEREncodedSize_V1(SOSAccountRef account, CFErrorRef *error)
+{
+ size_t sequence_size = 0;
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->gestalt, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_array(arrayToEncode, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, ccder_sizeof_bool(account->user_public_trusted, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_public_bytes(account->user_public, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_data_or_null(account->user_key_parameters, error)), fail);
+ require_quiet(accumulate_size(&sequence_size, der_sizeof_dictionary(account->retired_peers, error)), fail);
+
+ CFReleaseNull(arrayToEncode);
+ return ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, sequence_size);
+
+fail:
+ CFReleaseNull(arrayToEncode);
+ SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("don't know how to encode"), NULL, error);
+ return 0;
+}
+
+uint8_t* SOSAccountEncodeToDER_V1(SOSAccountRef account, CFErrorRef* error, const uint8_t* der, uint8_t* der_end)
+{
+ CFMutableArrayRef arrayToEncode = SOSAccountCopyCircleArrayToEncode(account);
+
+ der_end = ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, der_end, der,
+ der_encode_dictionary(account->gestalt, error, der,
+ der_encode_array(arrayToEncode, error, der,
+ ccder_encode_bool(account->user_public_trusted, der,
+ der_encode_public_bytes(account->user_public, error, der,
+ der_encode_data_or_null(account->user_key_parameters, error, der,
+ der_encode_dictionary(account->retired_peers, error, der, der_end)))))));
+
+ CFReleaseNull(arrayToEncode);
+
+ return der_end;
+}
+
+/************************/
+
+CFDataRef SOSAccountCopyEncodedData(SOSAccountRef account, CFAllocatorRef allocator, CFErrorRef *error)
+{
+ size_t size = SOSAccountGetDEREncodedSize(account, error);
+ if (size == 0)
+ return NULL;
+ uint8_t buffer[size];
+ uint8_t* start = SOSAccountEncodeToDER(account, error, buffer, buffer + sizeof(buffer));
+ CFDataRef result = CFDataCreate(kCFAllocatorDefault, start, size);
+ return result;
+}
+
projects / apple / security.git / blobdiff