diff options
Diffstat (limited to 'src/lib/libcrypto/pkcs7/pk7_lib.c')
| -rw-r--r-- | src/lib/libcrypto/pkcs7/pk7_lib.c | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/src/lib/libcrypto/pkcs7/pk7_lib.c b/src/lib/libcrypto/pkcs7/pk7_lib.c deleted file mode 100644 index a1c7d61cca..0000000000 --- a/src/lib/libcrypto/pkcs7/pk7_lib.c +++ /dev/null | |||
| @@ -1,685 +0,0 @@ | |||
| 1 | /* $OpenBSD: pk7_lib.c,v 1.30 2024/12/06 07:10:20 tb Exp $ */ | ||
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * This package is an SSL implementation written | ||
| 6 | * by Eric Young (eay@cryptsoft.com). | ||
| 7 | * The implementation was written so as to conform with Netscapes SSL. | ||
| 8 | * | ||
| 9 | * This library is free for commercial and non-commercial use as long as | ||
| 10 | * the following conditions are aheared to. The following conditions | ||
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
| 13 | * included with this distribution is covered by the same copyright terms | ||
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
| 15 | * | ||
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
| 17 | * the code are not to be removed. | ||
| 18 | * If this package is used in a product, Eric Young should be given attribution | ||
| 19 | * as the author of the parts of the library used. | ||
| 20 | * This can be in the form of a textual message at program startup or | ||
| 21 | * in documentation (online or textual) provided with the package. | ||
| 22 | * | ||
| 23 | * Redistribution and use in source and binary forms, with or without | ||
| 24 | * modification, are permitted provided that the following conditions | ||
| 25 | * are met: | ||
| 26 | * 1. Redistributions of source code must retain the copyright | ||
| 27 | * notice, this list of conditions and the following disclaimer. | ||
| 28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 29 | * notice, this list of conditions and the following disclaimer in the | ||
| 30 | * documentation and/or other materials provided with the distribution. | ||
| 31 | * 3. All advertising materials mentioning features or use of this software | ||
| 32 | * must display the following acknowledgement: | ||
| 33 | * "This product includes cryptographic software written by | ||
| 34 | * Eric Young (eay@cryptsoft.com)" | ||
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
| 36 | * being used are not cryptographic related :-). | ||
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
| 38 | * the apps directory (application code) you must include an acknowledgement: | ||
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
| 40 | * | ||
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 51 | * SUCH DAMAGE. | ||
| 52 | * | ||
| 53 | * The licence and distribution terms for any publically available version or | ||
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
| 55 | * copied and put under another distribution licence | ||
| 56 | * [including the GNU Public Licence.] | ||
| 57 | */ | ||
| 58 | |||
| 59 | #include <stdio.h> | ||
| 60 | |||
| 61 | #include <openssl/err.h> | ||
| 62 | #include <openssl/objects.h> | ||
| 63 | #include <openssl/x509.h> | ||
| 64 | |||
| 65 | #include "asn1_local.h" | ||
| 66 | #include "evp_local.h" | ||
| 67 | #include "x509_local.h" | ||
| 68 | |||
| 69 | long | ||
| 70 | PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg) | ||
| 71 | { | ||
| 72 | int nid; | ||
| 73 | long ret = 0; | ||
| 74 | |||
| 75 | nid = OBJ_obj2nid(p7->type); | ||
| 76 | |||
| 77 | switch (cmd) { | ||
| 78 | case PKCS7_OP_SET_DETACHED_SIGNATURE: | ||
| 79 | if (nid == NID_pkcs7_signed) { | ||
| 80 | if (p7->d.sign == NULL) { | ||
| 81 | PKCS7error(PKCS7_R_NO_CONTENT); | ||
| 82 | break; | ||
| 83 | } | ||
| 84 | ret = p7->detached = (int)larg; | ||
| 85 | if (ret && PKCS7_type_is_data(p7->d.sign->contents)) { | ||
| 86 | ASN1_OCTET_STRING *os; | ||
| 87 | os = p7->d.sign->contents->d.data; | ||
| 88 | ASN1_OCTET_STRING_free(os); | ||
| 89 | p7->d.sign->contents->d.data = NULL; | ||
| 90 | } | ||
| 91 | } else { | ||
| 92 | PKCS7error(PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); | ||
| 93 | ret = 0; | ||
| 94 | } | ||
| 95 | break; | ||
| 96 | case PKCS7_OP_GET_DETACHED_SIGNATURE: | ||
| 97 | if (nid == NID_pkcs7_signed) { | ||
| 98 | if (p7->d.sign == NULL || | ||
| 99 | p7->d.sign->contents->d.ptr == NULL) | ||
| 100 | ret = 1; | ||
| 101 | else | ||
| 102 | ret = 0; | ||
| 103 | |||
| 104 | p7->detached = ret; | ||
| 105 | } else { | ||
| 106 | PKCS7error(PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); | ||
| 107 | ret = 0; | ||
| 108 | } | ||
| 109 | |||
| 110 | break; | ||
| 111 | default: | ||
| 112 | PKCS7error(PKCS7_R_UNKNOWN_OPERATION); | ||
| 113 | ret = 0; | ||
| 114 | } | ||
| 115 | return (ret); | ||
| 116 | } | ||
| 117 | LCRYPTO_ALIAS(PKCS7_ctrl); | ||
| 118 | |||
| 119 | int | ||
| 120 | PKCS7_content_new(PKCS7 *p7, int type) | ||
| 121 | { | ||
| 122 | PKCS7 *ret = NULL; | ||
| 123 | |||
| 124 | if ((ret = PKCS7_new()) == NULL) | ||
| 125 | goto err; | ||
| 126 | if (!PKCS7_set_type(ret, type)) | ||
| 127 | goto err; | ||
| 128 | if (!PKCS7_set_content(p7, ret)) | ||
| 129 | goto err; | ||
| 130 | |||
| 131 | return (1); | ||
| 132 | err: | ||
| 133 | if (ret != NULL) | ||
| 134 | PKCS7_free(ret); | ||
| 135 | return (0); | ||
| 136 | } | ||
| 137 | LCRYPTO_ALIAS(PKCS7_content_new); | ||
| 138 | |||
| 139 | int | ||
| 140 | PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data) | ||
| 141 | { | ||
| 142 | int i; | ||
| 143 | |||
| 144 | i = OBJ_obj2nid(p7->type); | ||
| 145 | switch (i) { | ||
| 146 | case NID_pkcs7_signed: | ||
| 147 | if (p7->d.sign->contents != NULL) | ||
| 148 | PKCS7_free(p7->d.sign->contents); | ||
| 149 | p7->d.sign->contents = p7_data; | ||
| 150 | break; | ||
| 151 | case NID_pkcs7_digest: | ||
| 152 | if (p7->d.digest->contents != NULL) | ||
| 153 | PKCS7_free(p7->d.digest->contents); | ||
| 154 | p7->d.digest->contents = p7_data; | ||
| 155 | break; | ||
| 156 | case NID_pkcs7_data: | ||
| 157 | case NID_pkcs7_enveloped: | ||
| 158 | case NID_pkcs7_signedAndEnveloped: | ||
| 159 | case NID_pkcs7_encrypted: | ||
| 160 | default: | ||
| 161 | PKCS7error(PKCS7_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 162 | goto err; | ||
| 163 | } | ||
| 164 | return (1); | ||
| 165 | err: | ||
| 166 | return (0); | ||
| 167 | } | ||
| 168 | LCRYPTO_ALIAS(PKCS7_set_content); | ||
| 169 | |||
| 170 | int | ||
| 171 | PKCS7_set_type(PKCS7 *p7, int type) | ||
| 172 | { | ||
| 173 | ASN1_OBJECT *obj; | ||
| 174 | |||
| 175 | /*PKCS7_content_free(p7);*/ | ||
| 176 | obj=OBJ_nid2obj(type); /* will not fail */ | ||
| 177 | |||
| 178 | switch (type) { | ||
| 179 | case NID_pkcs7_signed: | ||
| 180 | p7->type = obj; | ||
| 181 | if ((p7->d.sign = PKCS7_SIGNED_new()) == NULL) | ||
| 182 | goto err; | ||
| 183 | if (!ASN1_INTEGER_set(p7->d.sign->version, 1)) { | ||
| 184 | PKCS7_SIGNED_free(p7->d.sign); | ||
| 185 | p7->d.sign = NULL; | ||
| 186 | goto err; | ||
| 187 | } | ||
| 188 | break; | ||
| 189 | case NID_pkcs7_data: | ||
| 190 | p7->type = obj; | ||
| 191 | if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL) | ||
| 192 | goto err; | ||
| 193 | break; | ||
| 194 | case NID_pkcs7_signedAndEnveloped: | ||
| 195 | p7->type = obj; | ||
| 196 | if ((p7->d.signed_and_enveloped = | ||
| 197 | PKCS7_SIGN_ENVELOPE_new()) == NULL) | ||
| 198 | goto err; | ||
| 199 | if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version, 1)) | ||
| 200 | goto err; | ||
| 201 | p7->d.signed_and_enveloped->enc_data->content_type = | ||
| 202 | OBJ_nid2obj(NID_pkcs7_data); | ||
| 203 | break; | ||
| 204 | case NID_pkcs7_enveloped: | ||
| 205 | p7->type = obj; | ||
| 206 | if ((p7->d.enveloped = PKCS7_ENVELOPE_new()) == NULL) | ||
| 207 | goto err; | ||
| 208 | if (!ASN1_INTEGER_set(p7->d.enveloped->version, 0)) | ||
| 209 | goto err; | ||
| 210 | p7->d.enveloped->enc_data->content_type = | ||
| 211 | OBJ_nid2obj(NID_pkcs7_data); | ||
| 212 | break; | ||
| 213 | case NID_pkcs7_encrypted: | ||
| 214 | p7->type = obj; | ||
| 215 | if ((p7->d.encrypted = PKCS7_ENCRYPT_new()) == NULL) | ||
| 216 | goto err; | ||
| 217 | if (!ASN1_INTEGER_set(p7->d.encrypted->version, 0)) | ||
| 218 | goto err; | ||
| 219 | p7->d.encrypted->enc_data->content_type = | ||
| 220 | OBJ_nid2obj(NID_pkcs7_data); | ||
| 221 | break; | ||
| 222 | |||
| 223 | case NID_pkcs7_digest: | ||
| 224 | p7->type = obj; | ||
| 225 | if ((p7->d.digest = PKCS7_DIGEST_new()) == NULL) | ||
| 226 | goto err; | ||
| 227 | if (!ASN1_INTEGER_set(p7->d.digest->version, 0)) | ||
| 228 | goto err; | ||
| 229 | break; | ||
| 230 | default: | ||
| 231 | PKCS7error(PKCS7_R_UNSUPPORTED_CONTENT_TYPE); | ||
| 232 | goto err; | ||
| 233 | } | ||
| 234 | return (1); | ||
| 235 | err: | ||
| 236 | return (0); | ||
| 237 | } | ||
| 238 | LCRYPTO_ALIAS(PKCS7_set_type); | ||
| 239 | |||
| 240 | int | ||
| 241 | PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other) | ||
| 242 | { | ||
| 243 | p7->type = OBJ_nid2obj(type); | ||
| 244 | p7->d.other = other; | ||
| 245 | return 1; | ||
| 246 | } | ||
| 247 | LCRYPTO_ALIAS(PKCS7_set0_type_other); | ||
| 248 | |||
| 249 | int | ||
| 250 | PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi) | ||
| 251 | { | ||
| 252 | int i, j, nid; | ||
| 253 | X509_ALGOR *alg; | ||
| 254 | STACK_OF(PKCS7_SIGNER_INFO) *signer_sk; | ||
| 255 | STACK_OF(X509_ALGOR) *md_sk; | ||
| 256 | |||
| 257 | i = OBJ_obj2nid(p7->type); | ||
| 258 | switch (i) { | ||
| 259 | case NID_pkcs7_signed: | ||
| 260 | signer_sk = p7->d.sign->signer_info; | ||
| 261 | md_sk = p7->d.sign->md_algs; | ||
| 262 | break; | ||
| 263 | case NID_pkcs7_signedAndEnveloped: | ||
| 264 | signer_sk = p7->d.signed_and_enveloped->signer_info; | ||
| 265 | md_sk = p7->d.signed_and_enveloped->md_algs; | ||
| 266 | break; | ||
| 267 | default: | ||
| 268 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 269 | return (0); | ||
| 270 | } | ||
| 271 | |||
| 272 | nid = OBJ_obj2nid(psi->digest_alg->algorithm); | ||
| 273 | |||
| 274 | /* If the digest is not currently listed, add it */ | ||
| 275 | j = 0; | ||
| 276 | for (i = 0; i < sk_X509_ALGOR_num(md_sk); i++) { | ||
| 277 | alg = sk_X509_ALGOR_value(md_sk, i); | ||
| 278 | if (OBJ_obj2nid(alg->algorithm) == nid) { | ||
| 279 | j = 1; | ||
| 280 | break; | ||
| 281 | } | ||
| 282 | } | ||
| 283 | if (!j) /* we need to add another algorithm */ | ||
| 284 | { | ||
| 285 | if (!(alg = X509_ALGOR_new()) || | ||
| 286 | !(alg->parameter = ASN1_TYPE_new())) { | ||
| 287 | X509_ALGOR_free(alg); | ||
| 288 | PKCS7error(ERR_R_MALLOC_FAILURE); | ||
| 289 | return (0); | ||
| 290 | } | ||
| 291 | alg->algorithm = OBJ_nid2obj(nid); | ||
| 292 | alg->parameter->type = V_ASN1_NULL; | ||
| 293 | if (!sk_X509_ALGOR_push(md_sk, alg)) { | ||
| 294 | X509_ALGOR_free(alg); | ||
| 295 | return 0; | ||
| 296 | } | ||
| 297 | } | ||
| 298 | |||
| 299 | if (!sk_PKCS7_SIGNER_INFO_push(signer_sk, psi)) | ||
| 300 | return 0; | ||
| 301 | return (1); | ||
| 302 | } | ||
| 303 | LCRYPTO_ALIAS(PKCS7_add_signer); | ||
| 304 | |||
| 305 | int | ||
| 306 | PKCS7_add_certificate(PKCS7 *p7, X509 *x509) | ||
| 307 | { | ||
| 308 | int i; | ||
| 309 | STACK_OF(X509) **sk; | ||
| 310 | |||
| 311 | i = OBJ_obj2nid(p7->type); | ||
| 312 | switch (i) { | ||
| 313 | case NID_pkcs7_signed: | ||
| 314 | sk = &(p7->d.sign->cert); | ||
| 315 | break; | ||
| 316 | case NID_pkcs7_signedAndEnveloped: | ||
| 317 | sk = &(p7->d.signed_and_enveloped->cert); | ||
| 318 | break; | ||
| 319 | default: | ||
| 320 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 321 | return (0); | ||
| 322 | } | ||
| 323 | |||
| 324 | if (*sk == NULL) | ||
| 325 | *sk = sk_X509_new_null(); | ||
| 326 | if (*sk == NULL) { | ||
| 327 | PKCS7error(ERR_R_MALLOC_FAILURE); | ||
| 328 | return 0; | ||
| 329 | } | ||
| 330 | CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509); | ||
| 331 | if (!sk_X509_push(*sk, x509)) { | ||
| 332 | X509_free(x509); | ||
| 333 | return 0; | ||
| 334 | } | ||
| 335 | return (1); | ||
| 336 | } | ||
| 337 | LCRYPTO_ALIAS(PKCS7_add_certificate); | ||
| 338 | |||
| 339 | int | ||
| 340 | PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl) | ||
| 341 | { | ||
| 342 | int i; | ||
| 343 | STACK_OF(X509_CRL) **sk; | ||
| 344 | |||
| 345 | i = OBJ_obj2nid(p7->type); | ||
| 346 | switch (i) { | ||
| 347 | case NID_pkcs7_signed: | ||
| 348 | sk = &(p7->d.sign->crl); | ||
| 349 | break; | ||
| 350 | case NID_pkcs7_signedAndEnveloped: | ||
| 351 | sk = &(p7->d.signed_and_enveloped->crl); | ||
| 352 | break; | ||
| 353 | default: | ||
| 354 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 355 | return (0); | ||
| 356 | } | ||
| 357 | |||
| 358 | if (*sk == NULL) | ||
| 359 | *sk = sk_X509_CRL_new_null(); | ||
| 360 | if (*sk == NULL) { | ||
| 361 | PKCS7error(ERR_R_MALLOC_FAILURE); | ||
| 362 | return 0; | ||
| 363 | } | ||
| 364 | |||
| 365 | CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL); | ||
| 366 | if (!sk_X509_CRL_push(*sk, crl)) { | ||
| 367 | X509_CRL_free(crl); | ||
| 368 | return 0; | ||
| 369 | } | ||
| 370 | return (1); | ||
| 371 | } | ||
| 372 | LCRYPTO_ALIAS(PKCS7_add_crl); | ||
| 373 | |||
| 374 | int | ||
| 375 | PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey, | ||
| 376 | const EVP_MD *dgst) | ||
| 377 | { | ||
| 378 | int nid; | ||
| 379 | int ret; | ||
| 380 | |||
| 381 | /* We now need to add another PKCS7_SIGNER_INFO entry */ | ||
| 382 | if (!ASN1_INTEGER_set(p7i->version, 1)) | ||
| 383 | goto err; | ||
| 384 | if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | ||
| 385 | X509_get_issuer_name(x509))) | ||
| 386 | goto err; | ||
| 387 | |||
| 388 | /* because ASN1_INTEGER_set is used to set a 'long' we will do | ||
| 389 | * things the ugly way. */ | ||
| 390 | ASN1_INTEGER_free(p7i->issuer_and_serial->serial); | ||
| 391 | if (!(p7i->issuer_and_serial->serial = | ||
| 392 | ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) | ||
| 393 | goto err; | ||
| 394 | |||
| 395 | /* lets keep the pkey around for a while */ | ||
| 396 | CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY); | ||
| 397 | p7i->pkey = pkey; | ||
| 398 | |||
| 399 | /* | ||
| 400 | * Do not use X509_ALGOR_set_evp_md() to match historical behavior. | ||
| 401 | * A mistranslation of the ASN.1 from 1988 to 1997 syntax lost the | ||
| 402 | * OPTIONAL field, cf. the NOTE above RFC 5754, 2.1. | ||
| 403 | * Using X509_ALGOR_set_evp_md() would change encoding of the SHAs. | ||
| 404 | */ | ||
| 405 | nid = EVP_MD_type(dgst); | ||
| 406 | if (!X509_ALGOR_set0_by_nid(p7i->digest_alg, nid, V_ASN1_NULL, NULL)) | ||
| 407 | return 0; | ||
| 408 | |||
| 409 | if (pkey->ameth && pkey->ameth->pkey_ctrl) { | ||
| 410 | ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN, | ||
| 411 | 0, p7i); | ||
| 412 | if (ret > 0) | ||
| 413 | return 1; | ||
| 414 | if (ret != -2) { | ||
| 415 | PKCS7error(PKCS7_R_SIGNING_CTRL_FAILURE); | ||
| 416 | return 0; | ||
| 417 | } | ||
| 418 | } | ||
| 419 | PKCS7error(PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | ||
| 420 | err: | ||
| 421 | return 0; | ||
| 422 | } | ||
| 423 | LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_set); | ||
| 424 | |||
| 425 | PKCS7_SIGNER_INFO * | ||
| 426 | PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey, const EVP_MD *dgst) | ||
| 427 | { | ||
| 428 | PKCS7_SIGNER_INFO *si = NULL; | ||
| 429 | |||
| 430 | if (dgst == NULL) { | ||
| 431 | int def_nid; | ||
| 432 | if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0) | ||
| 433 | goto err; | ||
| 434 | dgst = EVP_get_digestbynid(def_nid); | ||
| 435 | if (dgst == NULL) { | ||
| 436 | PKCS7error(PKCS7_R_NO_DEFAULT_DIGEST); | ||
| 437 | goto err; | ||
| 438 | } | ||
| 439 | } | ||
| 440 | |||
| 441 | if ((si = PKCS7_SIGNER_INFO_new()) == NULL) | ||
| 442 | goto err; | ||
| 443 | if (!PKCS7_SIGNER_INFO_set(si, x509, pkey, dgst)) | ||
| 444 | goto err; | ||
| 445 | if (!PKCS7_add_signer(p7, si)) | ||
| 446 | goto err; | ||
| 447 | return (si); | ||
| 448 | err: | ||
| 449 | if (si) | ||
| 450 | PKCS7_SIGNER_INFO_free(si); | ||
| 451 | return (NULL); | ||
| 452 | } | ||
| 453 | LCRYPTO_ALIAS(PKCS7_add_signature); | ||
| 454 | |||
| 455 | int | ||
| 456 | PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md) | ||
| 457 | { | ||
| 458 | if (PKCS7_type_is_digest(p7)) { | ||
| 459 | if (!(p7->d.digest->md->parameter = ASN1_TYPE_new())) { | ||
| 460 | PKCS7error(ERR_R_MALLOC_FAILURE); | ||
| 461 | return 0; | ||
| 462 | } | ||
| 463 | p7->d.digest->md->parameter->type = V_ASN1_NULL; | ||
| 464 | p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md)); | ||
| 465 | return 1; | ||
| 466 | } | ||
| 467 | |||
| 468 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 469 | return 1; | ||
| 470 | } | ||
| 471 | LCRYPTO_ALIAS(PKCS7_set_digest); | ||
| 472 | |||
| 473 | STACK_OF(PKCS7_SIGNER_INFO) * | ||
| 474 | PKCS7_get_signer_info(PKCS7 *p7) | ||
| 475 | { | ||
| 476 | if (p7 == NULL || p7->d.ptr == NULL) | ||
| 477 | return (NULL); | ||
| 478 | if (PKCS7_type_is_signed(p7)) { | ||
| 479 | return (p7->d.sign->signer_info); | ||
| 480 | } else if (PKCS7_type_is_signedAndEnveloped(p7)) { | ||
| 481 | return (p7->d.signed_and_enveloped->signer_info); | ||
| 482 | } else | ||
| 483 | return (NULL); | ||
| 484 | } | ||
| 485 | LCRYPTO_ALIAS(PKCS7_get_signer_info); | ||
| 486 | |||
| 487 | void | ||
| 488 | PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk, | ||
| 489 | X509_ALGOR **pdig, X509_ALGOR **psig) | ||
| 490 | { | ||
| 491 | if (pk) | ||
| 492 | *pk = si->pkey; | ||
| 493 | if (pdig) | ||
| 494 | *pdig = si->digest_alg; | ||
| 495 | if (psig) | ||
| 496 | *psig = si->digest_enc_alg; | ||
| 497 | } | ||
| 498 | LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_get0_algs); | ||
| 499 | |||
| 500 | void | ||
| 501 | PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc) | ||
| 502 | { | ||
| 503 | if (penc) | ||
| 504 | *penc = ri->key_enc_algor; | ||
| 505 | } | ||
| 506 | LCRYPTO_ALIAS(PKCS7_RECIP_INFO_get0_alg); | ||
| 507 | |||
| 508 | PKCS7_RECIP_INFO * | ||
| 509 | PKCS7_add_recipient(PKCS7 *p7, X509 *x509) | ||
| 510 | { | ||
| 511 | PKCS7_RECIP_INFO *ri; | ||
| 512 | |||
| 513 | if ((ri = PKCS7_RECIP_INFO_new()) == NULL) | ||
| 514 | goto err; | ||
| 515 | if (!PKCS7_RECIP_INFO_set(ri, x509)) | ||
| 516 | goto err; | ||
| 517 | if (!PKCS7_add_recipient_info(p7, ri)) | ||
| 518 | goto err; | ||
| 519 | return ri; | ||
| 520 | err: | ||
| 521 | if (ri) | ||
| 522 | PKCS7_RECIP_INFO_free(ri); | ||
| 523 | return NULL; | ||
| 524 | } | ||
| 525 | LCRYPTO_ALIAS(PKCS7_add_recipient); | ||
| 526 | |||
| 527 | int | ||
| 528 | PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri) | ||
| 529 | { | ||
| 530 | int i; | ||
| 531 | STACK_OF(PKCS7_RECIP_INFO) *sk; | ||
| 532 | |||
| 533 | i = OBJ_obj2nid(p7->type); | ||
| 534 | switch (i) { | ||
| 535 | case NID_pkcs7_signedAndEnveloped: | ||
| 536 | sk = p7->d.signed_and_enveloped->recipientinfo; | ||
| 537 | break; | ||
| 538 | case NID_pkcs7_enveloped: | ||
| 539 | sk = p7->d.enveloped->recipientinfo; | ||
| 540 | break; | ||
| 541 | default: | ||
| 542 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 543 | return (0); | ||
| 544 | } | ||
| 545 | |||
| 546 | if (!sk_PKCS7_RECIP_INFO_push(sk, ri)) | ||
| 547 | return 0; | ||
| 548 | return (1); | ||
| 549 | } | ||
| 550 | LCRYPTO_ALIAS(PKCS7_add_recipient_info); | ||
| 551 | |||
| 552 | int | ||
| 553 | PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509) | ||
| 554 | { | ||
| 555 | int ret; | ||
| 556 | EVP_PKEY *pkey = NULL; | ||
| 557 | if (!ASN1_INTEGER_set(p7i->version, 0)) | ||
| 558 | return 0; | ||
| 559 | if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | ||
| 560 | X509_get_issuer_name(x509))) | ||
| 561 | return 0; | ||
| 562 | |||
| 563 | ASN1_INTEGER_free(p7i->issuer_and_serial->serial); | ||
| 564 | if (!(p7i->issuer_and_serial->serial = | ||
| 565 | ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) | ||
| 566 | return 0; | ||
| 567 | |||
| 568 | pkey = X509_get_pubkey(x509); | ||
| 569 | |||
| 570 | if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl) { | ||
| 571 | PKCS7error(PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | ||
| 572 | goto err; | ||
| 573 | } | ||
| 574 | |||
| 575 | ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_ENCRYPT, | ||
| 576 | 0, p7i); | ||
| 577 | if (ret == -2) { | ||
| 578 | PKCS7error(PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | ||
| 579 | goto err; | ||
| 580 | } | ||
| 581 | if (ret <= 0) { | ||
| 582 | PKCS7error(PKCS7_R_ENCRYPTION_CTRL_FAILURE); | ||
| 583 | goto err; | ||
| 584 | } | ||
| 585 | |||
| 586 | EVP_PKEY_free(pkey); | ||
| 587 | |||
| 588 | CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509); | ||
| 589 | p7i->cert = x509; | ||
| 590 | |||
| 591 | return 1; | ||
| 592 | |||
| 593 | err: | ||
| 594 | EVP_PKEY_free(pkey); | ||
| 595 | return 0; | ||
| 596 | } | ||
| 597 | LCRYPTO_ALIAS(PKCS7_RECIP_INFO_set); | ||
| 598 | |||
| 599 | X509 * | ||
| 600 | PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si) | ||
| 601 | { | ||
| 602 | if (PKCS7_type_is_signed(p7)) | ||
| 603 | return(X509_find_by_issuer_and_serial(p7->d.sign->cert, | ||
| 604 | si->issuer_and_serial->issuer, | ||
| 605 | si->issuer_and_serial->serial)); | ||
| 606 | else | ||
| 607 | return (NULL); | ||
| 608 | } | ||
| 609 | LCRYPTO_ALIAS(PKCS7_cert_from_signer_info); | ||
| 610 | |||
| 611 | int | ||
| 612 | PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher) | ||
| 613 | { | ||
| 614 | int i; | ||
| 615 | PKCS7_ENC_CONTENT *ec; | ||
| 616 | |||
| 617 | i = OBJ_obj2nid(p7->type); | ||
| 618 | switch (i) { | ||
| 619 | case NID_pkcs7_signedAndEnveloped: | ||
| 620 | ec = p7->d.signed_and_enveloped->enc_data; | ||
| 621 | break; | ||
| 622 | case NID_pkcs7_enveloped: | ||
| 623 | ec = p7->d.enveloped->enc_data; | ||
| 624 | break; | ||
| 625 | default: | ||
| 626 | PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE); | ||
| 627 | return (0); | ||
| 628 | } | ||
| 629 | |||
| 630 | /* Check cipher OID exists and has data in it*/ | ||
| 631 | i = EVP_CIPHER_type(cipher); | ||
| 632 | if (i == NID_undef) { | ||
| 633 | PKCS7error(PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); | ||
| 634 | return (0); | ||
| 635 | } | ||
| 636 | |||
| 637 | ec->cipher = cipher; | ||
| 638 | return 1; | ||
| 639 | } | ||
| 640 | LCRYPTO_ALIAS(PKCS7_set_cipher); | ||
| 641 | |||
| 642 | int | ||
| 643 | PKCS7_stream(unsigned char ***boundary, PKCS7 *p7) | ||
| 644 | { | ||
| 645 | ASN1_OCTET_STRING *os = NULL; | ||
| 646 | |||
| 647 | switch (OBJ_obj2nid(p7->type)) { | ||
| 648 | case NID_pkcs7_data: | ||
| 649 | os = p7->d.data; | ||
| 650 | break; | ||
| 651 | |||
| 652 | case NID_pkcs7_signedAndEnveloped: | ||
| 653 | os = p7->d.signed_and_enveloped->enc_data->enc_data; | ||
| 654 | if (os == NULL) { | ||
| 655 | os = ASN1_OCTET_STRING_new(); | ||
| 656 | p7->d.signed_and_enveloped->enc_data->enc_data = os; | ||
| 657 | } | ||
| 658 | break; | ||
| 659 | |||
| 660 | case NID_pkcs7_enveloped: | ||
| 661 | os = p7->d.enveloped->enc_data->enc_data; | ||
| 662 | if (os == NULL) { | ||
| 663 | os = ASN1_OCTET_STRING_new(); | ||
| 664 | p7->d.enveloped->enc_data->enc_data = os; | ||
| 665 | } | ||
| 666 | break; | ||
| 667 | |||
| 668 | case NID_pkcs7_signed: | ||
| 669 | os = p7->d.sign->contents->d.data; | ||
| 670 | break; | ||
| 671 | |||
| 672 | default: | ||
| 673 | os = NULL; | ||
| 674 | break; | ||
| 675 | } | ||
| 676 | |||
| 677 | if (os == NULL) | ||
| 678 | return 0; | ||
| 679 | |||
| 680 | os->flags |= ASN1_STRING_FLAG_NDEF; | ||
| 681 | *boundary = &os->data; | ||
| 682 | |||
| 683 | return 1; | ||
| 684 | } | ||
| 685 | LCRYPTO_ALIAS(PKCS7_stream); | ||
