diff options
Diffstat (limited to 'src/lib/libcrypto/cms/cms_lib.c')
| -rw-r--r-- | src/lib/libcrypto/cms/cms_lib.c | 780 |
1 files changed, 0 insertions, 780 deletions
diff --git a/src/lib/libcrypto/cms/cms_lib.c b/src/lib/libcrypto/cms/cms_lib.c deleted file mode 100644 index 2d7a8d9f21..0000000000 --- a/src/lib/libcrypto/cms/cms_lib.c +++ /dev/null | |||
| @@ -1,780 +0,0 @@ | |||
| 1 | /* $OpenBSD: cms_lib.c,v 1.26 2024/11/01 18:53:35 tb Exp $ */ | ||
| 2 | /* | ||
| 3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
| 4 | * project. | ||
| 5 | */ | ||
| 6 | /* ==================================================================== | ||
| 7 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
| 8 | * | ||
| 9 | * Redistribution and use in source and binary forms, with or without | ||
| 10 | * modification, are permitted provided that the following conditions | ||
| 11 | * are met: | ||
| 12 | * | ||
| 13 | * 1. Redistributions of source code must retain the above copyright | ||
| 14 | * notice, this list of conditions and the following disclaimer. | ||
| 15 | * | ||
| 16 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 17 | * notice, this list of conditions and the following disclaimer in | ||
| 18 | * the documentation and/or other materials provided with the | ||
| 19 | * distribution. | ||
| 20 | * | ||
| 21 | * 3. All advertising materials mentioning features or use of this | ||
| 22 | * software must display the following acknowledgment: | ||
| 23 | * "This product includes software developed by the OpenSSL Project | ||
| 24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 25 | * | ||
| 26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 27 | * endorse or promote products derived from this software without | ||
| 28 | * prior written permission. For written permission, please contact | ||
| 29 | * licensing@OpenSSL.org. | ||
| 30 | * | ||
| 31 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 32 | * nor may "OpenSSL" appear in their names without prior written | ||
| 33 | * permission of the OpenSSL Project. | ||
| 34 | * | ||
| 35 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 36 | * acknowledgment: | ||
| 37 | * "This product includes software developed by the OpenSSL Project | ||
| 38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 39 | * | ||
| 40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 52 | * ==================================================================== | ||
| 53 | */ | ||
| 54 | |||
| 55 | #include <stddef.h> | ||
| 56 | |||
| 57 | #include <openssl/asn1.h> | ||
| 58 | #include <openssl/bio.h> | ||
| 59 | #include <openssl/cms.h> | ||
| 60 | #include <openssl/err.h> | ||
| 61 | #include <openssl/evp.h> | ||
| 62 | #include <openssl/objects.h> | ||
| 63 | #include <openssl/x509.h> | ||
| 64 | #include <openssl/x509v3.h> | ||
| 65 | |||
| 66 | #include "cms_local.h" | ||
| 67 | #include "x509_local.h" | ||
| 68 | |||
| 69 | CMS_ContentInfo * | ||
| 70 | d2i_CMS_ContentInfo(CMS_ContentInfo **a, const unsigned char **in, long len) | ||
| 71 | { | ||
| 72 | return (CMS_ContentInfo *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, | ||
| 73 | &CMS_ContentInfo_it); | ||
| 74 | } | ||
| 75 | LCRYPTO_ALIAS(d2i_CMS_ContentInfo); | ||
| 76 | |||
| 77 | int | ||
| 78 | i2d_CMS_ContentInfo(CMS_ContentInfo *a, unsigned char **out) | ||
| 79 | { | ||
| 80 | return ASN1_item_i2d((ASN1_VALUE *)a, out, &CMS_ContentInfo_it); | ||
| 81 | } | ||
| 82 | LCRYPTO_ALIAS(i2d_CMS_ContentInfo); | ||
| 83 | |||
| 84 | CMS_ContentInfo * | ||
| 85 | CMS_ContentInfo_new(void) | ||
| 86 | { | ||
| 87 | return (CMS_ContentInfo *)ASN1_item_new(&CMS_ContentInfo_it); | ||
| 88 | } | ||
| 89 | LCRYPTO_ALIAS(CMS_ContentInfo_new); | ||
| 90 | |||
| 91 | void | ||
| 92 | CMS_ContentInfo_free(CMS_ContentInfo *a) | ||
| 93 | { | ||
| 94 | ASN1_item_free((ASN1_VALUE *)a, &CMS_ContentInfo_it); | ||
| 95 | } | ||
| 96 | LCRYPTO_ALIAS(CMS_ContentInfo_free); | ||
| 97 | |||
| 98 | int | ||
| 99 | CMS_ContentInfo_print_ctx(BIO *out, CMS_ContentInfo *x, int indent, const ASN1_PCTX *pctx) | ||
| 100 | { | ||
| 101 | return ASN1_item_print(out, (ASN1_VALUE *)x, indent, | ||
| 102 | &CMS_ContentInfo_it, pctx); | ||
| 103 | } | ||
| 104 | LCRYPTO_ALIAS(CMS_ContentInfo_print_ctx); | ||
| 105 | |||
| 106 | const ASN1_OBJECT * | ||
| 107 | CMS_get0_type(const CMS_ContentInfo *cms) | ||
| 108 | { | ||
| 109 | return cms->contentType; | ||
| 110 | } | ||
| 111 | LCRYPTO_ALIAS(CMS_get0_type); | ||
| 112 | |||
| 113 | CMS_ContentInfo * | ||
| 114 | cms_Data_create(void) | ||
| 115 | { | ||
| 116 | CMS_ContentInfo *cms; | ||
| 117 | |||
| 118 | cms = CMS_ContentInfo_new(); | ||
| 119 | if (cms != NULL) { | ||
| 120 | cms->contentType = OBJ_nid2obj(NID_pkcs7_data); | ||
| 121 | /* Never detached */ | ||
| 122 | CMS_set_detached(cms, 0); | ||
| 123 | } | ||
| 124 | return cms; | ||
| 125 | } | ||
| 126 | |||
| 127 | static BIO * | ||
| 128 | cms_content_bio(CMS_ContentInfo *cms) | ||
| 129 | { | ||
| 130 | ASN1_OCTET_STRING **pos; | ||
| 131 | |||
| 132 | if ((pos = CMS_get0_content(cms)) == NULL) | ||
| 133 | return NULL; | ||
| 134 | |||
| 135 | /* If content is detached, data goes nowhere: create null BIO. */ | ||
| 136 | if (*pos == NULL) | ||
| 137 | return BIO_new(BIO_s_null()); | ||
| 138 | |||
| 139 | /* If content is not detached and was created, return memory BIO. */ | ||
| 140 | if ((*pos)->flags == ASN1_STRING_FLAG_CONT) | ||
| 141 | return BIO_new(BIO_s_mem()); | ||
| 142 | |||
| 143 | /* Else content was read in: return read-only BIO for it. */ | ||
| 144 | return BIO_new_mem_buf((*pos)->data, (*pos)->length); | ||
| 145 | } | ||
| 146 | |||
| 147 | BIO * | ||
| 148 | CMS_dataInit(CMS_ContentInfo *cms, BIO *in_content_bio) | ||
| 149 | { | ||
| 150 | BIO *cms_bio = NULL, *content_bio = NULL; | ||
| 151 | |||
| 152 | if ((content_bio = in_content_bio) == NULL) | ||
| 153 | content_bio = cms_content_bio(cms); | ||
| 154 | if (content_bio == NULL) { | ||
| 155 | CMSerror(CMS_R_NO_CONTENT); | ||
| 156 | goto err; | ||
| 157 | } | ||
| 158 | |||
| 159 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 160 | case NID_pkcs7_data: | ||
| 161 | return content_bio; | ||
| 162 | case NID_pkcs7_signed: | ||
| 163 | if ((cms_bio = cms_SignedData_init_bio(cms)) == NULL) | ||
| 164 | goto err; | ||
| 165 | break; | ||
| 166 | case NID_pkcs7_digest: | ||
| 167 | if ((cms_bio = cms_DigestedData_init_bio(cms)) == NULL) | ||
| 168 | goto err; | ||
| 169 | break; | ||
| 170 | case NID_pkcs7_encrypted: | ||
| 171 | if ((cms_bio = cms_EncryptedData_init_bio(cms)) == NULL) | ||
| 172 | goto err; | ||
| 173 | break; | ||
| 174 | case NID_pkcs7_enveloped: | ||
| 175 | if ((cms_bio = cms_EnvelopedData_init_bio(cms)) == NULL) | ||
| 176 | goto err; | ||
| 177 | break; | ||
| 178 | default: | ||
| 179 | CMSerror(CMS_R_UNSUPPORTED_TYPE); | ||
| 180 | goto err; | ||
| 181 | } | ||
| 182 | |||
| 183 | return BIO_push(cms_bio, content_bio); | ||
| 184 | |||
| 185 | err: | ||
| 186 | if (content_bio != in_content_bio) | ||
| 187 | BIO_free(content_bio); | ||
| 188 | |||
| 189 | return NULL; | ||
| 190 | } | ||
| 191 | LCRYPTO_ALIAS(CMS_dataInit); | ||
| 192 | |||
| 193 | int | ||
| 194 | CMS_dataFinal(CMS_ContentInfo *cms, BIO *cmsbio) | ||
| 195 | { | ||
| 196 | ASN1_OCTET_STRING **pos = CMS_get0_content(cms); | ||
| 197 | |||
| 198 | if (!pos) | ||
| 199 | return 0; | ||
| 200 | /* If embedded content find memory BIO and set content */ | ||
| 201 | if (*pos && ((*pos)->flags & ASN1_STRING_FLAG_CONT)) { | ||
| 202 | BIO *mbio; | ||
| 203 | unsigned char *cont; | ||
| 204 | long contlen; | ||
| 205 | mbio = BIO_find_type(cmsbio, BIO_TYPE_MEM); | ||
| 206 | if (!mbio) { | ||
| 207 | CMSerror(CMS_R_CONTENT_NOT_FOUND); | ||
| 208 | return 0; | ||
| 209 | } | ||
| 210 | contlen = BIO_get_mem_data(mbio, &cont); | ||
| 211 | /* Set bio as read only so its content can't be clobbered */ | ||
| 212 | BIO_set_flags(mbio, BIO_FLAGS_MEM_RDONLY); | ||
| 213 | BIO_set_mem_eof_return(mbio, 0); | ||
| 214 | ASN1_STRING_set0(*pos, cont, contlen); | ||
| 215 | (*pos)->flags &= ~ASN1_STRING_FLAG_CONT; | ||
| 216 | } | ||
| 217 | |||
| 218 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 219 | |||
| 220 | case NID_pkcs7_data: | ||
| 221 | case NID_pkcs7_enveloped: | ||
| 222 | case NID_pkcs7_encrypted: | ||
| 223 | case NID_id_smime_ct_compressedData: | ||
| 224 | /* Nothing to do */ | ||
| 225 | return 1; | ||
| 226 | |||
| 227 | case NID_pkcs7_signed: | ||
| 228 | return cms_SignedData_final(cms, cmsbio); | ||
| 229 | |||
| 230 | case NID_pkcs7_digest: | ||
| 231 | return cms_DigestedData_do_final(cms, cmsbio, 0); | ||
| 232 | |||
| 233 | default: | ||
| 234 | CMSerror(CMS_R_UNSUPPORTED_TYPE); | ||
| 235 | return 0; | ||
| 236 | } | ||
| 237 | } | ||
| 238 | LCRYPTO_ALIAS(CMS_dataFinal); | ||
| 239 | |||
| 240 | int | ||
| 241 | CMS_get_version(const CMS_ContentInfo *cms, long *version) | ||
| 242 | { | ||
| 243 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 244 | case NID_pkcs7_signed: | ||
| 245 | *version = cms->d.signedData->version; | ||
| 246 | return 1; | ||
| 247 | |||
| 248 | case NID_pkcs7_enveloped: | ||
| 249 | *version = cms->d.envelopedData->version; | ||
| 250 | return 1; | ||
| 251 | |||
| 252 | case NID_pkcs7_digest: | ||
| 253 | *version = cms->d.digestedData->version; | ||
| 254 | return 1; | ||
| 255 | |||
| 256 | case NID_pkcs7_encrypted: | ||
| 257 | *version = cms->d.encryptedData->version; | ||
| 258 | return 1; | ||
| 259 | |||
| 260 | case NID_id_smime_ct_authData: | ||
| 261 | *version = cms->d.authenticatedData->version; | ||
| 262 | return 1; | ||
| 263 | |||
| 264 | case NID_id_smime_ct_compressedData: | ||
| 265 | *version = cms->d.compressedData->version; | ||
| 266 | return 1; | ||
| 267 | |||
| 268 | default: | ||
| 269 | CMSerror(CMS_R_UNSUPPORTED_TYPE); | ||
| 270 | return 0; | ||
| 271 | } | ||
| 272 | } | ||
| 273 | LCRYPTO_ALIAS(CMS_get_version); | ||
| 274 | |||
| 275 | int | ||
| 276 | CMS_SignerInfo_get_version(const CMS_SignerInfo *si, long *version) | ||
| 277 | { | ||
| 278 | *version = si->version; | ||
| 279 | return 1; | ||
| 280 | } | ||
| 281 | LCRYPTO_ALIAS(CMS_SignerInfo_get_version); | ||
| 282 | |||
| 283 | /* | ||
| 284 | * Return an OCTET STRING pointer to content. This allows it to be accessed | ||
| 285 | * or set later. | ||
| 286 | */ | ||
| 287 | |||
| 288 | ASN1_OCTET_STRING ** | ||
| 289 | CMS_get0_content(CMS_ContentInfo *cms) | ||
| 290 | { | ||
| 291 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 292 | case NID_pkcs7_data: | ||
| 293 | return &cms->d.data; | ||
| 294 | |||
| 295 | case NID_pkcs7_signed: | ||
| 296 | return &cms->d.signedData->encapContentInfo->eContent; | ||
| 297 | |||
| 298 | case NID_pkcs7_enveloped: | ||
| 299 | return &cms->d.envelopedData->encryptedContentInfo->encryptedContent; | ||
| 300 | |||
| 301 | case NID_pkcs7_digest: | ||
| 302 | return &cms->d.digestedData->encapContentInfo->eContent; | ||
| 303 | |||
| 304 | case NID_pkcs7_encrypted: | ||
| 305 | return &cms->d.encryptedData->encryptedContentInfo->encryptedContent; | ||
| 306 | |||
| 307 | case NID_id_smime_ct_authData: | ||
| 308 | return &cms->d.authenticatedData->encapContentInfo->eContent; | ||
| 309 | |||
| 310 | case NID_id_smime_ct_compressedData: | ||
| 311 | return &cms->d.compressedData->encapContentInfo->eContent; | ||
| 312 | |||
| 313 | default: | ||
| 314 | if (cms->d.other->type == V_ASN1_OCTET_STRING) | ||
| 315 | return &cms->d.other->value.octet_string; | ||
| 316 | CMSerror(CMS_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 317 | return NULL; | ||
| 318 | } | ||
| 319 | } | ||
| 320 | LCRYPTO_ALIAS(CMS_get0_content); | ||
| 321 | |||
| 322 | /* | ||
| 323 | * Return an ASN1_OBJECT pointer to content type. This allows it to be | ||
| 324 | * accessed or set later. | ||
| 325 | */ | ||
| 326 | |||
| 327 | static ASN1_OBJECT ** | ||
| 328 | cms_get0_econtent_type(CMS_ContentInfo *cms) | ||
| 329 | { | ||
| 330 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 331 | case NID_pkcs7_signed: | ||
| 332 | return &cms->d.signedData->encapContentInfo->eContentType; | ||
| 333 | |||
| 334 | case NID_pkcs7_enveloped: | ||
| 335 | return &cms->d.envelopedData->encryptedContentInfo->contentType; | ||
| 336 | |||
| 337 | case NID_pkcs7_digest: | ||
| 338 | return &cms->d.digestedData->encapContentInfo->eContentType; | ||
| 339 | |||
| 340 | case NID_pkcs7_encrypted: | ||
| 341 | return &cms->d.encryptedData->encryptedContentInfo->contentType; | ||
| 342 | |||
| 343 | case NID_id_smime_ct_authData: | ||
| 344 | return &cms->d.authenticatedData->encapContentInfo->eContentType; | ||
| 345 | |||
| 346 | case NID_id_smime_ct_compressedData: | ||
| 347 | return &cms->d.compressedData->encapContentInfo->eContentType; | ||
| 348 | |||
| 349 | default: | ||
| 350 | CMSerror(CMS_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 351 | return NULL; | ||
| 352 | } | ||
| 353 | } | ||
| 354 | |||
| 355 | const ASN1_OBJECT * | ||
| 356 | CMS_get0_eContentType(CMS_ContentInfo *cms) | ||
| 357 | { | ||
| 358 | ASN1_OBJECT **petype; | ||
| 359 | |||
| 360 | petype = cms_get0_econtent_type(cms); | ||
| 361 | if (petype) | ||
| 362 | return *petype; | ||
| 363 | |||
| 364 | return NULL; | ||
| 365 | } | ||
| 366 | LCRYPTO_ALIAS(CMS_get0_eContentType); | ||
| 367 | |||
| 368 | int | ||
| 369 | CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid) | ||
| 370 | { | ||
| 371 | ASN1_OBJECT **petype, *etype; | ||
| 372 | |||
| 373 | petype = cms_get0_econtent_type(cms); | ||
| 374 | if (!petype) | ||
| 375 | return 0; | ||
| 376 | if (!oid) | ||
| 377 | return 1; | ||
| 378 | etype = OBJ_dup(oid); | ||
| 379 | if (!etype) | ||
| 380 | return 0; | ||
| 381 | ASN1_OBJECT_free(*petype); | ||
| 382 | *petype = etype; | ||
| 383 | |||
| 384 | return 1; | ||
| 385 | } | ||
| 386 | LCRYPTO_ALIAS(CMS_set1_eContentType); | ||
| 387 | |||
| 388 | int | ||
| 389 | CMS_is_detached(CMS_ContentInfo *cms) | ||
| 390 | { | ||
| 391 | ASN1_OCTET_STRING **pos; | ||
| 392 | |||
| 393 | pos = CMS_get0_content(cms); | ||
| 394 | if (!pos) | ||
| 395 | return -1; | ||
| 396 | if (*pos) | ||
| 397 | return 0; | ||
| 398 | |||
| 399 | return 1; | ||
| 400 | } | ||
| 401 | LCRYPTO_ALIAS(CMS_is_detached); | ||
| 402 | |||
| 403 | int | ||
| 404 | CMS_set_detached(CMS_ContentInfo *cms, int detached) | ||
| 405 | { | ||
| 406 | ASN1_OCTET_STRING **pos; | ||
| 407 | |||
| 408 | pos = CMS_get0_content(cms); | ||
| 409 | if (!pos) | ||
| 410 | return 0; | ||
| 411 | if (detached) { | ||
| 412 | ASN1_OCTET_STRING_free(*pos); | ||
| 413 | *pos = NULL; | ||
| 414 | return 1; | ||
| 415 | } | ||
| 416 | if (*pos == NULL) | ||
| 417 | *pos = ASN1_OCTET_STRING_new(); | ||
| 418 | if (*pos != NULL) { | ||
| 419 | /* | ||
| 420 | * NB: special flag to show content is created and not read in. | ||
| 421 | */ | ||
| 422 | (*pos)->flags |= ASN1_STRING_FLAG_CONT; | ||
| 423 | return 1; | ||
| 424 | } | ||
| 425 | CMSerror(ERR_R_MALLOC_FAILURE); | ||
| 426 | |||
| 427 | return 0; | ||
| 428 | } | ||
| 429 | LCRYPTO_ALIAS(CMS_set_detached); | ||
| 430 | |||
| 431 | /* Create a digest BIO from an X509_ALGOR structure */ | ||
| 432 | |||
| 433 | BIO * | ||
| 434 | cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm) | ||
| 435 | { | ||
| 436 | BIO *mdbio = NULL; | ||
| 437 | const ASN1_OBJECT *digestoid; | ||
| 438 | const EVP_MD *digest; | ||
| 439 | |||
| 440 | X509_ALGOR_get0(&digestoid, NULL, NULL, digestAlgorithm); | ||
| 441 | digest = EVP_get_digestbyobj(digestoid); | ||
| 442 | if (!digest) { | ||
| 443 | CMSerror(CMS_R_UNKNOWN_DIGEST_ALGORITHM); | ||
| 444 | goto err; | ||
| 445 | } | ||
| 446 | mdbio = BIO_new(BIO_f_md()); | ||
| 447 | if (mdbio == NULL || !BIO_set_md(mdbio, digest)) { | ||
| 448 | CMSerror(CMS_R_MD_BIO_INIT_ERROR); | ||
| 449 | goto err; | ||
| 450 | } | ||
| 451 | return mdbio; | ||
| 452 | |||
| 453 | err: | ||
| 454 | BIO_free(mdbio); | ||
| 455 | |||
| 456 | return NULL; | ||
| 457 | } | ||
| 458 | |||
| 459 | /* Locate a message digest content from a BIO chain based on SignerInfo */ | ||
| 460 | |||
| 461 | int | ||
| 462 | cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain, X509_ALGOR *mdalg) | ||
| 463 | { | ||
| 464 | int nid; | ||
| 465 | const ASN1_OBJECT *mdoid; | ||
| 466 | |||
| 467 | X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg); | ||
| 468 | nid = OBJ_obj2nid(mdoid); | ||
| 469 | /* Look for digest type to match signature */ | ||
| 470 | for (;;) { | ||
| 471 | EVP_MD_CTX *mtmp; | ||
| 472 | chain = BIO_find_type(chain, BIO_TYPE_MD); | ||
| 473 | if (chain == NULL) { | ||
| 474 | CMSerror(CMS_R_NO_MATCHING_DIGEST); | ||
| 475 | return 0; | ||
| 476 | } | ||
| 477 | BIO_get_md_ctx(chain, &mtmp); | ||
| 478 | if (EVP_MD_CTX_type(mtmp) == nid | ||
| 479 | /* | ||
| 480 | * Workaround for broken implementations that use signature | ||
| 481 | * algorithm OID instead of digest. | ||
| 482 | */ | ||
| 483 | || EVP_MD_pkey_type(EVP_MD_CTX_md(mtmp)) == nid) | ||
| 484 | return EVP_MD_CTX_copy_ex(mctx, mtmp); | ||
| 485 | chain = BIO_next(chain); | ||
| 486 | } | ||
| 487 | } | ||
| 488 | |||
| 489 | static STACK_OF(CMS_CertificateChoices) ** | ||
| 490 | cms_get0_certificate_choices(CMS_ContentInfo *cms) | ||
| 491 | { | ||
| 492 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 493 | case NID_pkcs7_signed: | ||
| 494 | return &cms->d.signedData->certificates; | ||
| 495 | |||
| 496 | case NID_pkcs7_enveloped: | ||
| 497 | if (cms->d.envelopedData->originatorInfo == NULL) | ||
| 498 | return NULL; | ||
| 499 | return &cms->d.envelopedData->originatorInfo->certificates; | ||
| 500 | |||
| 501 | default: | ||
| 502 | CMSerror(CMS_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 503 | return NULL; | ||
| 504 | } | ||
| 505 | } | ||
| 506 | |||
| 507 | CMS_CertificateChoices * | ||
| 508 | CMS_add0_CertificateChoices(CMS_ContentInfo *cms) | ||
| 509 | { | ||
| 510 | STACK_OF(CMS_CertificateChoices) **pcerts; | ||
| 511 | CMS_CertificateChoices *cch; | ||
| 512 | |||
| 513 | pcerts = cms_get0_certificate_choices(cms); | ||
| 514 | if (!pcerts) | ||
| 515 | return NULL; | ||
| 516 | if (!*pcerts) | ||
| 517 | *pcerts = sk_CMS_CertificateChoices_new_null(); | ||
| 518 | if (!*pcerts) | ||
| 519 | return NULL; | ||
| 520 | cch = (CMS_CertificateChoices *)ASN1_item_new(&CMS_CertificateChoices_it); | ||
| 521 | if (!cch) | ||
| 522 | return NULL; | ||
| 523 | if (!sk_CMS_CertificateChoices_push(*pcerts, cch)) { | ||
| 524 | ASN1_item_free((ASN1_VALUE *)cch, &CMS_CertificateChoices_it); | ||
| 525 | return NULL; | ||
| 526 | } | ||
| 527 | |||
| 528 | return cch; | ||
| 529 | } | ||
| 530 | LCRYPTO_ALIAS(CMS_add0_CertificateChoices); | ||
| 531 | |||
| 532 | int | ||
| 533 | CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert) | ||
| 534 | { | ||
| 535 | CMS_CertificateChoices *cch; | ||
| 536 | STACK_OF(CMS_CertificateChoices) **pcerts; | ||
| 537 | int i; | ||
| 538 | |||
| 539 | pcerts = cms_get0_certificate_choices(cms); | ||
| 540 | if (!pcerts) | ||
| 541 | return 0; | ||
| 542 | for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++) { | ||
| 543 | cch = sk_CMS_CertificateChoices_value(*pcerts, i); | ||
| 544 | if (cch->type == CMS_CERTCHOICE_CERT) { | ||
| 545 | if (!X509_cmp(cch->d.certificate, cert)) { | ||
| 546 | CMSerror(CMS_R_CERTIFICATE_ALREADY_PRESENT); | ||
| 547 | return 0; | ||
| 548 | } | ||
| 549 | } | ||
| 550 | } | ||
| 551 | cch = CMS_add0_CertificateChoices(cms); | ||
| 552 | if (!cch) | ||
| 553 | return 0; | ||
| 554 | cch->type = CMS_CERTCHOICE_CERT; | ||
| 555 | cch->d.certificate = cert; | ||
| 556 | |||
| 557 | return 1; | ||
| 558 | } | ||
| 559 | LCRYPTO_ALIAS(CMS_add0_cert); | ||
| 560 | |||
| 561 | int | ||
| 562 | CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert) | ||
| 563 | { | ||
| 564 | int r; | ||
| 565 | |||
| 566 | r = CMS_add0_cert(cms, cert); | ||
| 567 | if (r > 0) | ||
| 568 | X509_up_ref(cert); | ||
| 569 | |||
| 570 | return r; | ||
| 571 | } | ||
| 572 | LCRYPTO_ALIAS(CMS_add1_cert); | ||
| 573 | |||
| 574 | static STACK_OF(CMS_RevocationInfoChoice) ** | ||
| 575 | cms_get0_revocation_choices(CMS_ContentInfo *cms) | ||
| 576 | { | ||
| 577 | switch (OBJ_obj2nid(cms->contentType)) { | ||
| 578 | case NID_pkcs7_signed: | ||
| 579 | return &cms->d.signedData->crls; | ||
| 580 | |||
| 581 | case NID_pkcs7_enveloped: | ||
| 582 | if (cms->d.envelopedData->originatorInfo == NULL) | ||
| 583 | return NULL; | ||
| 584 | return &cms->d.envelopedData->originatorInfo->crls; | ||
| 585 | |||
| 586 | default: | ||
| 587 | CMSerror(CMS_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 588 | return NULL; | ||
| 589 | } | ||
| 590 | } | ||
| 591 | |||
| 592 | CMS_RevocationInfoChoice * | ||
| 593 | CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms) | ||
| 594 | { | ||
| 595 | STACK_OF(CMS_RevocationInfoChoice) **pcrls; | ||
| 596 | CMS_RevocationInfoChoice *rch; | ||
| 597 | |||
| 598 | pcrls = cms_get0_revocation_choices(cms); | ||
| 599 | if (!pcrls) | ||
| 600 | return NULL; | ||
| 601 | if (!*pcrls) | ||
| 602 | *pcrls = sk_CMS_RevocationInfoChoice_new_null(); | ||
| 603 | if (!*pcrls) | ||
| 604 | return NULL; | ||
| 605 | rch = (CMS_RevocationInfoChoice *)ASN1_item_new(&CMS_RevocationInfoChoice_it); | ||
| 606 | if (!rch) | ||
| 607 | return NULL; | ||
| 608 | if (!sk_CMS_RevocationInfoChoice_push(*pcrls, rch)) { | ||
| 609 | ASN1_item_free((ASN1_VALUE *)rch, &CMS_RevocationInfoChoice_it); | ||
| 610 | return NULL; | ||
| 611 | } | ||
| 612 | |||
| 613 | return rch; | ||
| 614 | } | ||
| 615 | LCRYPTO_ALIAS(CMS_add0_RevocationInfoChoice); | ||
| 616 | |||
| 617 | int | ||
| 618 | CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl) | ||
| 619 | { | ||
| 620 | CMS_RevocationInfoChoice *rch; | ||
| 621 | |||
| 622 | rch = CMS_add0_RevocationInfoChoice(cms); | ||
| 623 | if (!rch) | ||
| 624 | return 0; | ||
| 625 | rch->type = CMS_REVCHOICE_CRL; | ||
| 626 | rch->d.crl = crl; | ||
| 627 | |||
| 628 | return 1; | ||
| 629 | } | ||
| 630 | LCRYPTO_ALIAS(CMS_add0_crl); | ||
| 631 | |||
| 632 | int | ||
| 633 | CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl) | ||
| 634 | { | ||
| 635 | int r; | ||
| 636 | |||
| 637 | r = CMS_add0_crl(cms, crl); | ||
| 638 | if (r > 0) | ||
| 639 | X509_CRL_up_ref(crl); | ||
| 640 | |||
| 641 | return r; | ||
| 642 | } | ||
| 643 | LCRYPTO_ALIAS(CMS_add1_crl); | ||
| 644 | |||
| 645 | STACK_OF(X509) * | ||
| 646 | CMS_get1_certs(CMS_ContentInfo *cms) | ||
| 647 | { | ||
| 648 | STACK_OF(X509) *certs = NULL; | ||
| 649 | CMS_CertificateChoices *cch; | ||
| 650 | STACK_OF(CMS_CertificateChoices) **pcerts; | ||
| 651 | int i; | ||
| 652 | |||
| 653 | pcerts = cms_get0_certificate_choices(cms); | ||
| 654 | if (!pcerts) | ||
| 655 | return NULL; | ||
| 656 | for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++) { | ||
| 657 | cch = sk_CMS_CertificateChoices_value(*pcerts, i); | ||
| 658 | if (cch->type == 0) { | ||
| 659 | if (!certs) { | ||
| 660 | certs = sk_X509_new_null(); | ||
| 661 | if (!certs) | ||
| 662 | return NULL; | ||
| 663 | } | ||
| 664 | if (!sk_X509_push(certs, cch->d.certificate)) { | ||
| 665 | sk_X509_pop_free(certs, X509_free); | ||
| 666 | return NULL; | ||
| 667 | } | ||
| 668 | X509_up_ref(cch->d.certificate); | ||
| 669 | } | ||
| 670 | } | ||
| 671 | return certs; | ||
| 672 | } | ||
| 673 | LCRYPTO_ALIAS(CMS_get1_certs); | ||
| 674 | |||
| 675 | STACK_OF(X509_CRL) * | ||
| 676 | CMS_get1_crls(CMS_ContentInfo *cms) | ||
| 677 | { | ||
| 678 | STACK_OF(X509_CRL) *crls = NULL; | ||
| 679 | STACK_OF(CMS_RevocationInfoChoice) **pcrls; | ||
| 680 | CMS_RevocationInfoChoice *rch; | ||
| 681 | int i; | ||
| 682 | |||
| 683 | pcrls = cms_get0_revocation_choices(cms); | ||
| 684 | if (!pcrls) | ||
| 685 | return NULL; | ||
| 686 | for (i = 0; i < sk_CMS_RevocationInfoChoice_num(*pcrls); i++) { | ||
| 687 | rch = sk_CMS_RevocationInfoChoice_value(*pcrls, i); | ||
| 688 | if (rch->type == 0) { | ||
| 689 | if (!crls) { | ||
| 690 | crls = sk_X509_CRL_new_null(); | ||
| 691 | if (!crls) | ||
| 692 | return NULL; | ||
| 693 | } | ||
| 694 | if (!sk_X509_CRL_push(crls, rch->d.crl)) { | ||
| 695 | sk_X509_CRL_pop_free(crls, X509_CRL_free); | ||
| 696 | return NULL; | ||
| 697 | } | ||
| 698 | X509_CRL_up_ref(rch->d.crl); | ||
| 699 | } | ||
| 700 | } | ||
| 701 | return crls; | ||
| 702 | } | ||
| 703 | LCRYPTO_ALIAS(CMS_get1_crls); | ||
| 704 | |||
| 705 | static const ASN1_OCTET_STRING * | ||
| 706 | cms_X509_get0_subject_key_id(X509 *x) | ||
| 707 | { | ||
| 708 | /* Call for side-effect of computing hash and caching extensions */ | ||
| 709 | X509_check_purpose(x, -1, -1); | ||
| 710 | return x->skid; | ||
| 711 | } | ||
| 712 | |||
| 713 | int | ||
| 714 | cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert) | ||
| 715 | { | ||
| 716 | int ret; | ||
| 717 | |||
| 718 | ret = X509_NAME_cmp(ias->issuer, X509_get_issuer_name(cert)); | ||
| 719 | if (ret) | ||
| 720 | return ret; | ||
| 721 | |||
| 722 | return ASN1_INTEGER_cmp(ias->serialNumber, X509_get_serialNumber(cert)); | ||
| 723 | } | ||
| 724 | |||
| 725 | int | ||
| 726 | cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert) | ||
| 727 | { | ||
| 728 | const ASN1_OCTET_STRING *cert_keyid = cms_X509_get0_subject_key_id(cert); | ||
| 729 | |||
| 730 | if (cert_keyid == NULL) | ||
| 731 | return -1; | ||
| 732 | |||
| 733 | return ASN1_OCTET_STRING_cmp(keyid, cert_keyid); | ||
| 734 | } | ||
| 735 | |||
| 736 | int | ||
| 737 | cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert) | ||
| 738 | { | ||
| 739 | CMS_IssuerAndSerialNumber *ias; | ||
| 740 | |||
| 741 | ias = (CMS_IssuerAndSerialNumber *)ASN1_item_new(&CMS_IssuerAndSerialNumber_it); | ||
| 742 | if (!ias) | ||
| 743 | goto err; | ||
| 744 | if (!X509_NAME_set(&ias->issuer, X509_get_issuer_name(cert))) | ||
| 745 | goto err; | ||
| 746 | if (!ASN1_STRING_copy(ias->serialNumber, X509_get_serialNumber(cert))) | ||
| 747 | goto err; | ||
| 748 | ASN1_item_free((ASN1_VALUE *)*pias, &CMS_IssuerAndSerialNumber_it); | ||
| 749 | *pias = ias; | ||
| 750 | |||
| 751 | return 1; | ||
| 752 | |||
| 753 | err: | ||
| 754 | ASN1_item_free((ASN1_VALUE *)ias, &CMS_IssuerAndSerialNumber_it); | ||
| 755 | CMSerror(ERR_R_MALLOC_FAILURE); | ||
| 756 | |||
| 757 | return 0; | ||
| 758 | } | ||
| 759 | |||
| 760 | int | ||
| 761 | cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert) | ||
| 762 | { | ||
| 763 | ASN1_OCTET_STRING *keyid = NULL; | ||
| 764 | const ASN1_OCTET_STRING *cert_keyid; | ||
| 765 | |||
| 766 | cert_keyid = cms_X509_get0_subject_key_id(cert); | ||
| 767 | if (cert_keyid == NULL) { | ||
| 768 | CMSerror(CMS_R_CERTIFICATE_HAS_NO_KEYID); | ||
| 769 | return 0; | ||
| 770 | } | ||
| 771 | keyid = ASN1_STRING_dup(cert_keyid); | ||
| 772 | if (!keyid) { | ||
| 773 | CMSerror(ERR_R_MALLOC_FAILURE); | ||
| 774 | return 0; | ||
| 775 | } | ||
| 776 | ASN1_OCTET_STRING_free(*pkeyid); | ||
| 777 | *pkeyid = keyid; | ||
| 778 | |||
| 779 | return 1; | ||
| 780 | } | ||
