release/src/router/openssl/crypto/cms/cms_asn1.c

   1 /* crypto/cms/cms_asn1.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  */
  53
  54 #include <openssl/asn1t.h>
  55 #include <openssl/pem.h>
  56 #include <openssl/x509v3.h>
  57 #include "cms.h"
  58 #include "cms_lcl.h"
  59
  60
  61 ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = {
  62         ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME),
  63         ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER)
  64 } ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber)
  65
  66 ASN1_SEQUENCE(CMS_OtherCertificateFormat) = {
  67         ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT),
  68         ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY)
  69 } ASN1_SEQUENCE_END(CMS_OtherCertificateFormat)
  70
  71 ASN1_CHOICE(CMS_CertificateChoices) = {
  72         ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509),
  73         ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0),
  74         ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1),
  75         ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2),
  76         ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3)
  77 } ASN1_CHOICE_END(CMS_CertificateChoices)
  78
  79 ASN1_CHOICE(CMS_SignerIdentifier) = {
  80         ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
  81         ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0)
  82 } ASN1_CHOICE_END(CMS_SignerIdentifier)
  83
  84 ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = {
  85         ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT),
  86         ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0)
  87 } ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo)
  88
  89 /* Minor tweak to operation: free up signer key, cert */
  90 static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
  91                                                         void *exarg)
  92         {
  93         if(operation == ASN1_OP_FREE_POST)
  94                 {
  95                 CMS_SignerInfo *si = (CMS_SignerInfo *)*pval;
  96                 if (si->pkey)
  97                         EVP_PKEY_free(si->pkey);
  98                 if (si->signer)
  99                         X509_free(si->signer);
 100                 }
 101         return 1;
 102         }
 103
 104 ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
 105         ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
 106         ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
 107         ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
 108         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
 109         ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
 110         ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
 111         ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
 112 } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)
 113
 114 ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
 115         ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
 116         ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
 117 } ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)
 118
 119 ASN1_CHOICE(CMS_RevocationInfoChoice) = {
 120         ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
 121         ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
 122 } ASN1_CHOICE_END(CMS_RevocationInfoChoice)
 123
 124 ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
 125         ASN1_SIMPLE(CMS_SignedData, version, LONG),
 126         ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
 127         ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
 128         ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
 129         ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
 130         ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
 131 } ASN1_NDEF_SEQUENCE_END(CMS_SignedData)
 132
 133 ASN1_SEQUENCE(CMS_OriginatorInfo) = {
 134         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0),
 135         ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1)
 136 } ASN1_SEQUENCE_END(CMS_OriginatorInfo)
 137
 138 ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
 139         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
 140         ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
 141         ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
 142 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)
 143
 144 ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
 145         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
 146         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
 147         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
 148         ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
 149 } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)
 150
 151 ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
 152         ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
 153         ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
 154 } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)
 155
 156 ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
 157         ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
 158         ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
 159         ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
 160 } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)
 161
 162 ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
 163   ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
 164   ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
 165 } ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
 166
 167 ASN1_SEQUENCE(CMS_RecipientEncryptedKey) = {
 168         ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
 169         ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
 170 } ASN1_SEQUENCE_END(CMS_RecipientEncryptedKey)
 171
 172 ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
 173   ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
 174   ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
 175 } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)
 176
 177 ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
 178   ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
 179   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0),
 180   ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
 181 } ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
 182
 183 ASN1_SEQUENCE(CMS_KeyAgreeRecipientInfo) = {
 184         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
 185         ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
 186         ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
 187         ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
 188         ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
 189 } ASN1_SEQUENCE_END(CMS_KeyAgreeRecipientInfo)
 190
 191 ASN1_SEQUENCE(CMS_KEKIdentifier) = {
 192         ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
 193         ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME),
 194         ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute)
 195 } ASN1_SEQUENCE_END(CMS_KEKIdentifier)
 196
 197 ASN1_SEQUENCE(CMS_KEKRecipientInfo) = {
 198         ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG),
 199         ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier),
 200         ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
 201         ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
 202 } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo)
 203
 204 ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = {
 205         ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG),
 206         ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0),
 207         ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
 208         ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
 209 } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo)
 210
 211 ASN1_SEQUENCE(CMS_OtherRecipientInfo) = {
 212   ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT),
 213   ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY)
 214 } ASN1_SEQUENCE_END(CMS_OtherRecipientInfo)
 215
 216 /* Free up RecipientInfo additional data */
 217 static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
 218                                                         void *exarg)
 219         {
 220         if(operation == ASN1_OP_FREE_PRE)
 221                 {
 222                 CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval;
 223                 if (ri->type == CMS_RECIPINFO_TRANS)
 224                         {
 225                         CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
 226                         if (ktri->pkey)
 227                                 EVP_PKEY_free(ktri->pkey);
 228                         if (ktri->recip)
 229                                 X509_free(ktri->recip);
 230                         }
 231                 else if (ri->type == CMS_RECIPINFO_KEK)
 232                         {
 233                         CMS_KEKRecipientInfo *kekri = ri->d.kekri;
 234                         if (kekri->key)
 235                                 {
 236                                 OPENSSL_cleanse(kekri->key, kekri->keylen);
 237                                 OPENSSL_free(kekri->key);
 238                                 }
 239                         }
 240                 else if (ri->type == CMS_RECIPINFO_PASS)
 241                         {
 242                         CMS_PasswordRecipientInfo *pwri = ri->d.pwri;
 243                         if (pwri->pass)
 244                                 {
 245                                 OPENSSL_cleanse(pwri->pass, pwri->passlen);
 246                                 OPENSSL_free(pwri->pass);
 247                                 }
 248                         }
 249                 }
 250         return 1;
 251         }
 252
 253 ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = {
 254         ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo),
 255         ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1),
 256         ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2),
 257         ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3),
 258         ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4)
 259 } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type)
 260
 261 ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = {
 262         ASN1_SIMPLE(CMS_EnvelopedData, version, LONG),
 263         ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0),
 264         ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo),
 265         ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo),
 266         ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
 267 } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData)
 268
 269 ASN1_NDEF_SEQUENCE(CMS_DigestedData) = {
 270         ASN1_SIMPLE(CMS_DigestedData, version, LONG),
 271         ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR),
 272         ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo),
 273         ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING)
 274 } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData)
 275
 276 ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = {
 277         ASN1_SIMPLE(CMS_EncryptedData, version, LONG),
 278         ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo),
 279         ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1)
 280 } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData)
 281
 282 ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = {
 283         ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG),
 284         ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0),
 285         ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo),
 286         ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR),
 287         ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1),
 288         ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo),
 289         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2),
 290         ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING),
 291         ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3)
 292 } ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData)
 293
 294 ASN1_NDEF_SEQUENCE(CMS_CompressedData) = {
 295         ASN1_SIMPLE(CMS_CompressedData, version, LONG),
 296         ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR),
 297         ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo),
 298 } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData)
 299
 300 /* This is the ANY DEFINED BY table for the top level ContentInfo structure */
 301
 302 ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0);
 303
 304 ASN1_ADB(CMS_ContentInfo) = {
 305         ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)),
 306         ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)),
 307         ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)),
 308         ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)),
 309         ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)),
 310         ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)),
 311         ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)),
 312 } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL);
 313
 314 /* CMS streaming support */
 315 static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
 316                                                         void *exarg)
 317         {
 318         ASN1_STREAM_ARG *sarg = exarg;
 319         CMS_ContentInfo *cms = NULL;
 320         if (pval)
 321                 cms = (CMS_ContentInfo *)*pval;
 322         else
 323                 return 1;
 324         switch(operation)
 325                 {
 326
 327                 case ASN1_OP_STREAM_PRE:
 328                 if (CMS_stream(&sarg->boundary, cms) <= 0)
 329                         return 0;
 330                 case ASN1_OP_DETACHED_PRE:
 331                 sarg->ndef_bio = CMS_dataInit(cms, sarg->out);
 332                 if (!sarg->ndef_bio)
 333                         return 0;
 334                 break;
 335
 336                 case ASN1_OP_STREAM_POST:
 337                 case ASN1_OP_DETACHED_POST:
 338                 if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0)
 339                         return 0;
 340                 break;
 341
 342                 }
 343         return 1;
 344         }
 345
 346 ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = {
 347         ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT),
 348         ASN1_ADB_OBJECT(CMS_ContentInfo)
 349 } ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo)
 350
 351 /* Specials for signed attributes */
 352
 353 /* When signing attributes we want to reorder them to match the sorted
 354  * encoding.
 355  */
 356
 357 ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) =
 358         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE)
 359 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign)
 360
 361 /* When verifying attributes we need to use the received order. So
 362  * we use SEQUENCE OF and tag it to SET OF
 363  */
 364
 365 ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) =
 366         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
 367                                 V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE)
 368 ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify)
 369
 370
 371
 372 ASN1_CHOICE(CMS_ReceiptsFrom) = {
 373   ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0),
 374   ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1)
 375 } ASN1_CHOICE_END(CMS_ReceiptsFrom)
 376
 377 ASN1_SEQUENCE(CMS_ReceiptRequest) = {
 378   ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING),
 379   ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom),
 380   ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES)
 381 } ASN1_SEQUENCE_END(CMS_ReceiptRequest)
 382
 383 ASN1_SEQUENCE(CMS_Receipt) = {
 384   ASN1_SIMPLE(CMS_Receipt, version, LONG),
 385   ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT),
 386   ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
 387   ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
 388 } ASN1_SEQUENCE_END(CMS_Receipt)
 389