X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/84aacf34eae6543be9f0280b2015385f91e5c2c6..b54c578e17e9bcbd74aa30ea75e25e955b9a6205:/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerInfoCollections.c?ds=inline diff --git a/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerInfoCollections.c b/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerInfoCollections.c deleted file mode 100644 index fe31fe8d..00000000 --- a/OSX/sec/SOSCircle/SecureObjectSync/SOSPeerInfoCollections.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * 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 - -#include -#include -#include -#include -#include -#include -#include -#include - -// -// PeerInfoSetby ID handling -// - -// -// -// CFSetRetainCallback -// - -static CFStringRef GetIDOrString(const void *object) { - return isSOSPeerInfo(object) ? - SOSPeerInfoGetPeerID((SOSPeerInfoRef)object) : - (isString(object) ? (CFStringRef) object : NULL); -} - -static Boolean SOSPeerInfoIDEqual(const void *value1, const void *value2) -{ - return CFEqualSafe(GetIDOrString(value1), GetIDOrString(value2)); -} - -static CFHashCode SOSPeerInfoIDHash(const void *value) -{ - return CFHash(GetIDOrString(value)); -} - -bool SOSPeerInfoSetContainsIdenticalPeers(CFSetRef set1, CFSetRef set2){ - - __block bool result = true; - - if(!CFEqualSafe(set1, set2)) - return false; - - CFSetForEach(set1, ^(const void *value) { - SOSPeerInfoRef peer1 = (SOSPeerInfoRef)value; - SOSPeerInfoRef peer2 = (SOSPeerInfoRef)CFSetGetValue(set2, peer1); - result &= CFEqualSafe(peer1, peer2); - }); - return result; -} -const CFSetCallBacks kSOSPeerSetCallbacks = {0, SecCFRetainForCollection, SecCFReleaseForCollection, CFCopyDescription, SOSPeerInfoIDEqual, SOSPeerInfoIDHash}; - -CFMutableSetRef CFSetCreateMutableForSOSPeerInfosByID(CFAllocatorRef allocator) -{ - return CFSetCreateMutable(allocator, 0, &kSOSPeerSetCallbacks); -} - -CFMutableSetRef CFSetCreateMutableForSOSPeerInfosByIDWithArray(CFAllocatorRef allocator, CFArrayRef peerInfos) -{ - CFMutableSetRef newSet = CFSetCreateMutableForSOSPeerInfosByID(allocator); - - CFArrayForEach(peerInfos, ^(const void *value) { - SOSPeerInfoRef peer = asSOSPeerInfo(value); - if (peer) { - CFSetAddValue(newSet, peer); - } - }); - - return newSet; -} - -SOSPeerInfoRef SOSPeerInfoSetFindByID(CFSetRef set, CFStringRef id) { - return (SOSPeerInfoRef) CFSetGetValue(set, id); -} - -// -// CFArray of Peer Info handling -// - -void CFArrayOfSOSPeerInfosSortByID(CFMutableArrayRef peerInfoArray) -{ - CFArraySortValues(peerInfoArray, CFRangeMake(0, CFArrayGetCount(peerInfoArray)), SOSPeerInfoCompareByID, NULL); -} - - -// -// PeerInfoArray encoding decoding -// - -CFMutableArrayRef SOSPeerInfoArrayCreateFromDER(CFAllocatorRef allocator, CFErrorRef* error, - const uint8_t** der_p, const uint8_t *der_end) { - CFMutableArrayRef pia = CFArrayCreateMutableForCFTypes(allocator); - - const uint8_t *sequence_end; - - *der_p = ccder_decode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, &sequence_end, *der_p, der_end); - - require_action(*der_p, fail, SOSCreateError(kSOSErrorBadFormat, CFSTR("Bad Peer Info Array Sequence Header"), NULL, error)); - - while (sequence_end != *der_p) { - SOSPeerInfoRef pi = SOSPeerInfoCreateFromDER(allocator, error, der_p, sequence_end); - - if (pi == NULL || *der_p == NULL) { - SOSCreateError(kSOSErrorBadFormat, CFSTR("Bad Peer Info Array DER"), (error != NULL ? *error : NULL), error); - CFReleaseNull(pi); - goto fail; - } - - CFArrayAppendValue(pia, pi); - CFReleaseSafe(pi); - } - - if (!pia) - *der_p = NULL; - return pia; - -fail: - CFReleaseNull(pia); - *der_p = NULL; - return NULL; -} - -size_t SOSPeerInfoArrayGetDEREncodedSize(CFArrayRef pia, CFErrorRef *error) { - __block size_t array_size = 0; - __block bool fail = false; - - CFArrayForEach(pia, ^(const void *value) { - if (isSOSPeerInfo(value)) { - SOSPeerInfoRef pi = (SOSPeerInfoRef) value; - size_t pi_size = SOSPeerInfoGetDEREncodedSize(pi, error); - - fail = (pi_size == 0); - array_size += pi_size; - } else { - SOSCreateError(kSOSErrorUnexpectedType, CFSTR("Non SOSPeerInfo in array"), (error != NULL ? *error : NULL), error); - fail = true; - } - }); - - return fail ? 0 : ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, array_size); -} - -uint8_t* SOSPeerInfoArrayEncodeToDER(CFArrayRef pia, CFErrorRef* error, const uint8_t* der, uint8_t* der_end_param) { - - uint8_t* const sequence_end = der_end_param; - __block uint8_t* der_end = der_end_param; - - CFArrayForEachReverse(pia, ^(const void *value) { - SOSPeerInfoRef pi = (SOSPeerInfoRef) value; - if (CFGetTypeID(pi) != SOSPeerInfoGetTypeID()) { - SOSCreateError(kSOSErrorUnexpectedType, CFSTR("Non SOSPeerInfo in array"), NULL, error); - der_end = NULL; // Indicate error and continue. - } - if (der_end) - der_end = SOSPeerInfoEncodeToDER(pi, error, der, der_end); - }); - - if (der_end == NULL) - return NULL; - - return ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, sequence_end, der, der_end); -} - - -CFMutableSetRef SOSPeerInfoSetCreateFromArrayDER(CFAllocatorRef allocator, const CFSetCallBacks *callbacks, CFErrorRef* error, - const uint8_t** der_p, const uint8_t *der_end) { - CFMutableSetRef result = NULL; - - CFArrayRef peers = SOSPeerInfoArrayCreateFromDER(allocator, error, der_p, der_end); - - if (peers) { - result = CFSetCreateMutable(allocator, 0, callbacks); - CFSetSetValues(result, peers); - } - - CFReleaseNull(peers); - return result; -} - -size_t SOSPeerInfoSetGetDEREncodedArraySize(CFSetRef pia, CFErrorRef *error) { - __block size_t array_size = 0; - __block bool fail = false; - - CFSetForEach(pia, ^(const void *value) { - if (isSOSPeerInfo(value)) { - SOSPeerInfoRef pi = (SOSPeerInfoRef) value; - size_t pi_size = SOSPeerInfoGetDEREncodedSize(pi, error); - - fail = (pi_size == 0); - array_size += pi_size; - } else { - SOSCreateError(kSOSErrorUnexpectedType, CFSTR("Non SOSPeerInfo in array"), (error != NULL ? *error : NULL), error); - fail = true; - } - }); - - return fail ? 0 : ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, array_size); -} - -uint8_t* SOSPeerInfoSetEncodeToArrayDER(CFSetRef pis, CFErrorRef* error, const uint8_t* der, uint8_t* der_end) { - CFMutableArrayRef pia = CFSetCopyValues(pis); - - CFArrayOfSOSPeerInfosSortByID(pia); - - uint8_t* result = SOSPeerInfoArrayEncodeToDER(pia, error, der, der_end); - - CFReleaseNull(pia); - - return result; -} - - - -CFArrayRef CreateArrayOfPeerInfoWithXPCObject(xpc_object_t peerArray, CFErrorRef* error) { - if (!peerArray) { - SecCFCreateErrorWithFormat(kSecXPCErrorUnexpectedNull, sSecXPCErrorDomain, NULL, error, NULL, CFSTR("Unexpected Null Array to encode")); - return NULL; - } - - if (xpc_get_type(peerArray) != XPC_TYPE_DATA) { - SecCFCreateErrorWithFormat(kSecXPCErrorUnexpectedType, sSecXPCErrorDomain, NULL, error, NULL, CFSTR("Array of peer info not data")); - return NULL; - } - - const uint8_t* der = xpc_data_get_bytes_ptr(peerArray); - const uint8_t* der_end = der + xpc_data_get_length(peerArray); - - return SOSPeerInfoArrayCreateFromDER(kCFAllocatorDefault, error, &der, der_end); -} - -xpc_object_t CreateXPCObjectWithArrayOfPeerInfo(CFArrayRef array, CFErrorRef *error) { - size_t data_size = SOSPeerInfoArrayGetDEREncodedSize(array, error); - if (data_size == 0) - return NULL; - uint8_t *data = (uint8_t *)malloc(data_size); - if (!data) return NULL; - - xpc_object_t result = NULL; - if (SOSPeerInfoArrayEncodeToDER(array, error, data, data + data_size)) - result = xpc_data_create(data, data_size); - - free(data); - return result; -}