| | 1 | /* |
| | 2 | * Copyright (c) 2007,2011 Apple Inc. All Rights Reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. Please obtain a copy of the License at |
| | 10 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 11 | * file. |
| | 12 | * |
| | 13 | * The Original Code and all software distributed under the License are |
| | 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 18 | * Please see the License for the specific language governing rights and |
| | 19 | * limitations under the License. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | |
| | 24 | // |
| | 25 | // reqreader - Requirement language (exprOp) reader/scanner |
| | 26 | // |
| | 27 | #include "reqreader.h" |
| | 28 | #include <Security/SecTrustSettingsPriv.h> |
| | 29 | #include <security_utilities/memutils.h> |
| | 30 | |
| | 31 | #if TARGET_OS_OSX |
| | 32 | #include <security_cdsa_utilities/cssmdata.h> // for hex encoding |
| | 33 | #endif |
| | 34 | |
| | 35 | #include "csutilities.h" |
| | 36 | |
| | 37 | namespace Security { |
| | 38 | namespace CodeSigning { |
| | 39 | |
| | 40 | |
| | 41 | // |
| | 42 | // Requirement::Reader |
| | 43 | // |
| | 44 | Requirement::Reader::Reader(const Requirement *req) |
| | 45 | : mReq(req), mPC(sizeof(Requirement)) |
| | 46 | { |
| | 47 | assert(req); |
| | 48 | if (req->kind() != exprForm) |
| | 49 | MacOSError::throwMe(errSecCSReqUnsupported); |
| | 50 | } |
| | 51 | |
| | 52 | |
| | 53 | // |
| | 54 | // Access helpers to retrieve various data types from the data stream |
| | 55 | // |
| | 56 | void Requirement::Reader::getData(const void *&data, size_t &length) |
| | 57 | { |
| | 58 | length = get<uint32_t>(); |
| | 59 | checkSize(length); |
| | 60 | data = (mReq->at<void>(mPC)); |
| | 61 | mPC += LowLevelMemoryUtilities::alignUp(length, baseAlignment); |
| | 62 | } |
| | 63 | |
| | 64 | string Requirement::Reader::getString() |
| | 65 | { |
| | 66 | const char *s; size_t length; |
| | 67 | getData(s, length); |
| | 68 | return string(s, length); |
| | 69 | } |
| | 70 | |
| | 71 | CFDataRef Requirement::Reader::getHash() |
| | 72 | { |
| | 73 | const unsigned char *s; size_t length; |
| | 74 | getData(s, length); |
| | 75 | return makeCFData(s, length); |
| | 76 | } |
| | 77 | |
| | 78 | const unsigned char *Requirement::Reader::getSHA1() |
| | 79 | { |
| | 80 | const unsigned char *digest; size_t length; |
| | 81 | getData(digest, length); |
| | 82 | if (length != CC_SHA1_DIGEST_LENGTH) |
| | 83 | MacOSError::throwMe(errSecCSReqInvalid); |
| | 84 | return digest; |
| | 85 | } |
| | 86 | |
| | 87 | void Requirement::Reader::skip(size_t length) |
| | 88 | { |
| | 89 | checkSize(length); |
| | 90 | mPC += length; |
| | 91 | } |
| | 92 | |
| | 93 | |
| | 94 | } // CodeSigning |
| | 95 | } // Security |
projects / apple / security.git / blame_incremental