Security/libsecurity_asn1/lib/ocspTemplates.c

   1 /*
   2  * Copyright (c) 2003-2006,2008-2012 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  * ocspTemplates.cpp -  ASN1 templates OCSP requests and responses.
  24  */
  25
  26 #include "ocspTemplates.h"
  27 #include "keyTemplates.h"               /* for kSecAsn1AlgorithmIDTemplate */
  28 #include "SecAsn1Templates.h"
  29 #include <stddef.h>
  30 #include <assert.h>
  31
  32 // MARK: ----- OCSP Request -----
  33
  34 const SecAsn1Template kSecAsn1OCSPCertIDTemplate[] = {
  35     { SEC_ASN1_SEQUENCE,
  36           0, NULL, sizeof(SecAsn1OCSPCertID) },
  37     { SEC_ASN1_INLINE,
  38           offsetof(SecAsn1OCSPCertID, algId),
  39           kSecAsn1AlgorithmIDTemplate },
  40     { SEC_ASN1_OCTET_STRING, offsetof(SecAsn1OCSPCertID, issuerNameHash) },
  41     { SEC_ASN1_OCTET_STRING, offsetof(SecAsn1OCSPCertID, issuerPubKeyHash) },
  42         /* serial number is SIGNED integer */
  43     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
  44           offsetof(SecAsn1OCSPCertID, serialNumber) },
  45     { 0 }
  46 };
  47
  48 const SecAsn1Template kSecAsn1OCSPRequestTemplate[] = {
  49     { SEC_ASN1_SEQUENCE,
  50           0, NULL, sizeof(SecAsn1OCSPRequest) },
  51     { SEC_ASN1_INLINE,
  52           offsetof(SecAsn1OCSPRequest, reqCert),
  53           kSecAsn1OCSPCertIDTemplate },
  54     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
  55                         SEC_ASN1_EXPLICIT | 0,
  56           offsetof(SecAsn1OCSPRequest, extensions),
  57           kSecAsn1SequenceOfCertExtensionTemplate },
  58     { 0 }
  59 };
  60
  61 const SecAsn1Template kSecAsn1OCSPSignatureTemplate[] = {
  62     { SEC_ASN1_SEQUENCE,
  63           0, NULL, sizeof(SecAsn1OCSPSignature) },
  64     { SEC_ASN1_INLINE,
  65           offsetof(SecAsn1OCSPSignature, algId),
  66           kSecAsn1AlgorithmIDTemplate },
  67     { SEC_ASN1_BIT_STRING, offsetof(SecAsn1OCSPSignature, sig) },
  68     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
  69                         SEC_ASN1_EXPLICIT | 0,
  70           offsetof(SecAsn1OCSPSignature, certs),
  71           kSecAsn1SequenceOfAnyTemplate },
  72     { 0 }
  73 };
  74
  75 const SecAsn1Template kSecAsn1OCSPTbsRequestTemplate[] = {
  76     { SEC_ASN1_SEQUENCE,
  77           0, NULL, sizeof(SecAsn1OCSPTbsRequest) },
  78         /* optional version, explicit tag 0, default 0 */
  79     { SEC_ASN1_EXPLICIT | SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
  80           SEC_ASN1_CONTEXT_SPECIFIC | 0,
  81           offsetof(SecAsn1OCSPTbsRequest, version),
  82           kSecAsn1PointerToIntegerTemplate },
  83     { SEC_ASN1_EXPLICIT | SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
  84           SEC_ASN1_POINTER | SEC_ASN1_CONTEXT_SPECIFIC | 1,
  85           offsetof(SecAsn1OCSPTbsRequest, requestorName),
  86           kSecAsn1GeneralNameTemplate },
  87         { SEC_ASN1_SEQUENCE_OF,
  88           offsetof(SecAsn1OCSPTbsRequest, requestList),
  89           kSecAsn1OCSPRequestTemplate },
  90     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
  91                         SEC_ASN1_EXPLICIT | 2,
  92           offsetof(SecAsn1OCSPTbsRequest, requestExtensions),
  93           kSecAsn1SequenceOfCertExtensionTemplate },
  94     { 0 }
  95 };
  96
  97 const SecAsn1Template kSecAsn1OCSPSignedRequestTemplate[] = {
  98     { SEC_ASN1_SEQUENCE,
  99           0, NULL, sizeof(SecAsn1OCSPSignedRequest) },
 100     { SEC_ASN1_INLINE,
 101           offsetof(SecAsn1OCSPSignedRequest, tbsRequest),
 102           kSecAsn1OCSPTbsRequestTemplate },
 103         { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 104                         SEC_ASN1_POINTER | SEC_ASN1_EXPLICIT | 0,
 105           offsetof(SecAsn1OCSPSignedRequest, signature),
 106           kSecAsn1OCSPSignatureTemplate },
 107     { 0 }
 108 };
 109
 110 // MARK: ----- OCSP Response -----
 111
 112 const SecAsn1Template kSecAsn1OCSPRevokedInfoTemplate[] = {
 113     { SEC_ASN1_SEQUENCE,
 114           0, NULL, sizeof(SecAsn1OCSPRevokedInfo) },
 115         { SEC_ASN1_GENERALIZED_TIME, offsetof(SecAsn1OCSPRevokedInfo, revocationTime) },
 116     { SEC_ASN1_EXPLICIT | SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
 117           SEC_ASN1_CONTEXT_SPECIFIC | 0,
 118           offsetof(SecAsn1OCSPRevokedInfo, revocationReason) ,
 119           kSecAsn1PointerToEnumeratedTemplate },
 120     { 0 }
 121 };
 122
 123 /* three context-specific templates, app picks one of these */
 124
 125 /*
 126  * Encode/decode CertStatus separately using one of these †hree templates.
 127  * The result goes into SecAsn1OCSPSingleResponse.certStatus on encode.
 128  */
 129 const SecAsn1Template kSecAsn1OCSPCertStatusGoodTemplate[] = {
 130         { SEC_ASN1_POINTER | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 131           offsetof(SecAsn1OCSPCertStatus, nullData),
 132           kSecAsn1NullTemplate }
 133 };
 134
 135 const SecAsn1Template kSecAsn1OCSPCertStatusRevokedTemplate[] = {
 136         { SEC_ASN1_POINTER | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_CONSTRUCTED | 1,
 137           offsetof(SecAsn1OCSPCertStatus, revokedInfo) ,
 138           kSecAsn1OCSPRevokedInfoTemplate }
 139 };
 140
 141 const SecAsn1Template kSecAsn1OCSPCertStatusUnknownTemplate[] = {
 142         { SEC_ASN1_CONTEXT_SPECIFIC | 2,
 143           offsetof(SecAsn1OCSPCertStatus, nullData),
 144           kSecAsn1NullTemplate }
 145 };
 146
 147 const SecAsn1Template kSecAsn1OCSPSingleResponseTemplate[] = {
 148     { SEC_ASN1_SEQUENCE,
 149           0, NULL, sizeof(SecAsn1OCSPSingleResponse) },
 150     { SEC_ASN1_INLINE,
 151           offsetof(SecAsn1OCSPSingleResponse, certID),
 152           kSecAsn1OCSPCertIDTemplate },
 153     { SEC_ASN1_ANY,
 154           offsetof(SecAsn1OCSPSingleResponse, certStatus),
 155           kSecAsn1AnyTemplate },
 156         { SEC_ASN1_GENERALIZED_TIME, offsetof(SecAsn1OCSPSingleResponse, thisUpdate) },
 157     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
 158           SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_EXPLICIT | 0,
 159           offsetof(SecAsn1OCSPSingleResponse, nextUpdate),
 160           kSecAsn1PointerToGeneralizedTimeTemplate },
 161     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 162           SEC_ASN1_EXPLICIT | 1,
 163           offsetof(SecAsn1OCSPSingleResponse, singleExtensions),
 164           kSecAsn1SequenceOfCertExtensionTemplate },
 165     { 0 }
 166 };
 167
 168 /*
 169  * support for ResponderID CHOICE
 170  */
 171 const SecAsn1Template kSecAsn1OCSPResponderIDAsNameTemplate[] = {
 172     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 173         offsetof(SecAsn1OCSPResponderID, byName),
 174         kSecAsn1AnyTemplate }
 175 };
 176
 177 const SecAsn1Template kSecAsn1OCSPResponderIDAsKeyTemplate[] = {
 178     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 2,
 179         offsetof(SecAsn1OCSPResponderID, byKey),
 180         kSecAsn1OctetStringTemplate }
 181 };
 182
 183 const SecAsn1Template kSecAsn1OCSPResponseDataTemplate[] = {
 184     { SEC_ASN1_SEQUENCE,
 185           0, NULL, sizeof(SecAsn1OCSPResponseData) },
 186         /* optional version, explicit tag 0, default 0 */
 187     { SEC_ASN1_EXPLICIT | SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
 188           SEC_ASN1_CONTEXT_SPECIFIC | 0,
 189           offsetof(SecAsn1OCSPResponseData, version),
 190           kSecAsn1PointerToIntegerTemplate },
 191         { SEC_ASN1_ANY,
 192           offsetof(SecAsn1OCSPResponseData, responderID),
 193           kSecAsn1AnyTemplate },
 194         { SEC_ASN1_GENERALIZED_TIME, offsetof(SecAsn1OCSPResponseData, producedAt) },
 195     { SEC_ASN1_SEQUENCE_OF,
 196           offsetof(SecAsn1OCSPResponseData, responses),
 197           kSecAsn1OCSPSingleResponseTemplate },
 198     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 199                         SEC_ASN1_EXPLICIT | 1,
 200           offsetof(SecAsn1OCSPResponseData, responseExtensions),
 201           kSecAsn1SequenceOfCertExtensionTemplate },
 202     { 0 }
 203 };
 204
 205 const SecAsn1Template kSecAsn1OCSPBasicResponseTemplate[] = {
 206     { SEC_ASN1_SEQUENCE,
 207           0, NULL, sizeof(SecAsn1OCSPBasicResponse) },
 208     { SEC_ASN1_ANY,  offsetof(SecAsn1OCSPBasicResponse, tbsResponseData) },
 209     { SEC_ASN1_INLINE,
 210           offsetof(SecAsn1OCSPBasicResponse, algId),
 211           kSecAsn1AlgorithmIDTemplate },
 212     { SEC_ASN1_BIT_STRING, offsetof(SecAsn1OCSPBasicResponse, sig) },
 213     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 214                         SEC_ASN1_EXPLICIT | 0,
 215           offsetof(SecAsn1OCSPBasicResponse, certs),
 216           kSecAsn1SequenceOfAnyTemplate },
 217     { 0 }
 218 };
 219
 220 const SecAsn1Template kSecAsn1OCSPResponseBytesTemplate[] = {
 221     { SEC_ASN1_SEQUENCE,
 222           0, NULL, sizeof(SecAsn1OCSPResponseBytes) },
 223         { SEC_ASN1_OBJECT_ID, offsetof(SecAsn1OCSPResponseBytes, responseType) },
 224         { SEC_ASN1_OCTET_STRING, offsetof(SecAsn1OCSPResponseBytes, response) },
 225     { 0 }
 226 };
 227
 228 const SecAsn1Template kSecAsn1OCSPPtrToResponseBytesTemplate[] = {
 229         { SEC_ASN1_POINTER, 0, kSecAsn1OCSPResponseBytesTemplate }
 230 };
 231
 232 const SecAsn1Template kSecAsn1OCSPResponseTemplate[] = {
 233     { SEC_ASN1_SEQUENCE,
 234           0, NULL, sizeof(SecAsn1OCSPResponse) },
 235         { SEC_ASN1_ENUMERATED, offsetof(SecAsn1OCSPResponse, responseStatus) },
 236     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 237                         SEC_ASN1_EXPLICIT | 0,
 238           offsetof(SecAsn1OCSPResponse, responseBytes),
 239           kSecAsn1OCSPPtrToResponseBytesTemplate },
 240     { 0 }
 241 };
 242
 243 // MARK: ---- OCSPD RPC ----
 244
 245 const SecAsn1Template kSecAsn1OCSPDRequestTemplate[] = {
 246     { SEC_ASN1_SEQUENCE,
 247           0, NULL, sizeof(SecAsn1OCSPDRequest) },
 248     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 249                         SEC_ASN1_EXPLICIT | 0,
 250           offsetof(SecAsn1OCSPDRequest, cacheWriteDisable),
 251           kSecAsn1PointerToBooleanTemplate },
 252     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 253                         SEC_ASN1_EXPLICIT | 1,
 254           offsetof(SecAsn1OCSPDRequest, cacheReadDisable),
 255           kSecAsn1PointerToBooleanTemplate },
 256     { SEC_ASN1_OCTET_STRING,  offsetof(SecAsn1OCSPDRequest, certID) },
 257     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 258                         SEC_ASN1_EXPLICIT | 2,
 259           offsetof(SecAsn1OCSPDRequest, ocspReq),
 260           kSecAsn1PointerToOctetStringTemplate },
 261     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 262                         SEC_ASN1_EXPLICIT | 3,
 263           offsetof(SecAsn1OCSPDRequest, localRespURI),
 264           kSecAsn1PointerToIA5StringTemplate },
 265     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 266                         SEC_ASN1_EXPLICIT | 4,
 267           offsetof(SecAsn1OCSPDRequest, urls),
 268           kSecAsn1SequenceOfIA5StringTemplate },
 269     { 0 }
 270 };
 271
 272 const SecAsn1Template kSecAsn1OCSPDRequestsTemplate[] = {
 273     { SEC_ASN1_SEQUENCE,
 274           0, NULL, sizeof(SecAsn1OCSPDRequests) },
 275         { SEC_ASN1_INTEGER, offsetof(SecAsn1OCSPDRequests, version) },
 276     { SEC_ASN1_SEQUENCE_OF,
 277           offsetof(SecAsn1OCSPDRequests, requests),
 278           kSecAsn1OCSPDRequestTemplate },
 279     { 0 }
 280 };
 281
 282 const SecAsn1Template kSecAsn1OCSPDReplyTemplate[] = {
 283     { SEC_ASN1_SEQUENCE,
 284           0, NULL, sizeof(SecAsn1OCSPDReply) },
 285         { SEC_ASN1_ANY, offsetof(SecAsn1OCSPDReply, certID) },
 286         { SEC_ASN1_ANY, offsetof(SecAsn1OCSPDReply, ocspResp) },
 287     { 0 }
 288 };
 289
 290 const SecAsn1Template kSecAsn1OCSPDRepliesTemplate[] = {
 291     { SEC_ASN1_SEQUENCE,
 292           0, NULL, sizeof(SecAsn1OCSPReplies) },
 293         { SEC_ASN1_INTEGER, offsetof(SecAsn1OCSPReplies, version) },
 294     { SEC_ASN1_SEQUENCE_OF,
 295           offsetof(SecAsn1OCSPReplies, replies),
 296           kSecAsn1OCSPDReplyTemplate },
 297     { 0 }
 298 };