Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* ocsp_ext.c */ |
| 2 | /* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL |
| 3 | * project. */ |
| 4 | |
| 5 | /* History: |
| 6 | This file was transfered to Richard Levitte from CertCo by Kathy |
| 7 | Weinhold in mid-spring 2000 to be included in OpenSSL or released |
| 8 | as a patch kit. */ |
| 9 | |
| 10 | /* ==================================================================== |
| 11 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * |
| 17 | * 1. Redistributions of source code must retain the above copyright |
| 18 | * notice, this list of conditions and the following disclaimer. |
| 19 | * |
| 20 | * 2. Redistributions in binary form must reproduce the above copyright |
| 21 | * notice, this list of conditions and the following disclaimer in |
| 22 | * the documentation and/or other materials provided with the |
| 23 | * distribution. |
| 24 | * |
| 25 | * 3. All advertising materials mentioning features or use of this |
| 26 | * software must display the following acknowledgment: |
| 27 | * "This product includes software developed by the OpenSSL Project |
| 28 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 29 | * |
| 30 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 31 | * endorse or promote products derived from this software without |
| 32 | * prior written permission. For written permission, please contact |
| 33 | * openssl-core@openssl.org. |
| 34 | * |
| 35 | * 5. Products derived from this software may not be called "OpenSSL" |
| 36 | * nor may "OpenSSL" appear in their names without prior written |
| 37 | * permission of the OpenSSL Project. |
| 38 | * |
| 39 | * 6. Redistributions of any form whatsoever must retain the following |
| 40 | * acknowledgment: |
| 41 | * "This product includes software developed by the OpenSSL Project |
| 42 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 43 | * |
| 44 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 45 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 46 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 47 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 48 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 49 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 50 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 51 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 53 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 54 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 55 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 56 | * ==================================================================== |
| 57 | * |
| 58 | * This product includes cryptographic software written by Eric Young |
| 59 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 60 | * Hudson (tjh@cryptsoft.com). |
| 61 | * |
| 62 | */ |
| 63 | |
| 64 | #include <stdio.h> |
| 65 | #include <cryptlib.h> |
| 66 | #include <openssl/objects.h> |
| 67 | #include <openssl/x509.h> |
| 68 | #include <openssl/ocsp.h> |
| 69 | #include <openssl/rand.h> |
| 70 | #include <openssl/x509v3.h> |
| 71 | |
| 72 | /* Standard wrapper functions for extensions */ |
| 73 | |
| 74 | /* OCSP request extensions */ |
| 75 | |
| 76 | int OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x) |
| 77 | { |
| 78 | return(X509v3_get_ext_count(x->tbsRequest->requestExtensions)); |
| 79 | } |
| 80 | |
| 81 | int OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos) |
| 82 | { |
| 83 | return(X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions,nid,lastpos)); |
| 84 | } |
| 85 | |
| 86 | int OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST *x, ASN1_OBJECT *obj, int lastpos) |
| 87 | { |
| 88 | return(X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions,obj,lastpos)); |
| 89 | } |
| 90 | |
| 91 | int OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos) |
| 92 | { |
| 93 | return(X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,crit,lastpos)); |
| 94 | } |
| 95 | |
| 96 | X509_EXTENSION *OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc) |
| 97 | { |
| 98 | return(X509v3_get_ext(x->tbsRequest->requestExtensions,loc)); |
| 99 | } |
| 100 | |
| 101 | X509_EXTENSION *OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc) |
| 102 | { |
| 103 | return(X509v3_delete_ext(x->tbsRequest->requestExtensions,loc)); |
| 104 | } |
| 105 | |
| 106 | void *OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST *x, int nid, int *crit, int *idx) |
| 107 | { |
| 108 | return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx); |
| 109 | } |
| 110 | |
| 111 | int OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST *x, int nid, void *value, int crit, |
| 112 | unsigned long flags) |
| 113 | { |
| 114 | return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value, crit, flags); |
| 115 | } |
| 116 | |
| 117 | int OCSP_REQUEST_add_ext(OCSP_REQUEST *x, X509_EXTENSION *ex, int loc) |
| 118 | { |
| 119 | return(X509v3_add_ext(&(x->tbsRequest->requestExtensions),ex,loc) != NULL); |
| 120 | } |
| 121 | |
| 122 | /* Single extensions */ |
| 123 | |
| 124 | int OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x) |
| 125 | { |
| 126 | return(X509v3_get_ext_count(x->singleRequestExtensions)); |
| 127 | } |
| 128 | |
| 129 | int OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos) |
| 130 | { |
| 131 | return(X509v3_get_ext_by_NID(x->singleRequestExtensions,nid,lastpos)); |
| 132 | } |
| 133 | |
| 134 | int OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ *x, ASN1_OBJECT *obj, int lastpos) |
| 135 | { |
| 136 | return(X509v3_get_ext_by_OBJ(x->singleRequestExtensions,obj,lastpos)); |
| 137 | } |
| 138 | |
| 139 | int OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos) |
| 140 | { |
| 141 | return(X509v3_get_ext_by_critical(x->singleRequestExtensions,crit,lastpos)); |
| 142 | } |
| 143 | |
| 144 | X509_EXTENSION *OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc) |
| 145 | { |
| 146 | return(X509v3_get_ext(x->singleRequestExtensions,loc)); |
| 147 | } |
| 148 | |
| 149 | X509_EXTENSION *OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc) |
| 150 | { |
| 151 | return(X509v3_delete_ext(x->singleRequestExtensions,loc)); |
| 152 | } |
| 153 | |
| 154 | void *OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ *x, int nid, int *crit, int *idx) |
| 155 | { |
| 156 | return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx); |
| 157 | } |
| 158 | |
| 159 | int OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ *x, int nid, void *value, int crit, |
| 160 | unsigned long flags) |
| 161 | { |
| 162 | return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit, flags); |
| 163 | } |
| 164 | |
| 165 | int OCSP_ONEREQ_add_ext(OCSP_ONEREQ *x, X509_EXTENSION *ex, int loc) |
| 166 | { |
| 167 | return(X509v3_add_ext(&(x->singleRequestExtensions),ex,loc) != NULL); |
| 168 | } |
| 169 | |
| 170 | /* OCSP Basic response */ |
| 171 | |
| 172 | int OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x) |
| 173 | { |
| 174 | return(X509v3_get_ext_count(x->tbsResponseData->responseExtensions)); |
| 175 | } |
| 176 | |
| 177 | int OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos) |
| 178 | { |
| 179 | return(X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,nid,lastpos)); |
| 180 | } |
| 181 | |
| 182 | int OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP *x, ASN1_OBJECT *obj, int lastpos) |
| 183 | { |
| 184 | return(X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,obj,lastpos)); |
| 185 | } |
| 186 | |
| 187 | int OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos) |
| 188 | { |
| 189 | return(X509v3_get_ext_by_critical(x->tbsResponseData->responseExtensions,crit,lastpos)); |
| 190 | } |
| 191 | |
| 192 | X509_EXTENSION *OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc) |
| 193 | { |
| 194 | return(X509v3_get_ext(x->tbsResponseData->responseExtensions,loc)); |
| 195 | } |
| 196 | |
| 197 | X509_EXTENSION *OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc) |
| 198 | { |
| 199 | return(X509v3_delete_ext(x->tbsResponseData->responseExtensions,loc)); |
| 200 | } |
| 201 | |
| 202 | void *OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP *x, int nid, int *crit, int *idx) |
| 203 | { |
| 204 | return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid, crit, idx); |
| 205 | } |
| 206 | |
| 207 | int OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP *x, int nid, void *value, int crit, |
| 208 | unsigned long flags) |
| 209 | { |
| 210 | return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid, value, crit, flags); |
| 211 | } |
| 212 | |
| 213 | int OCSP_BASICRESP_add_ext(OCSP_BASICRESP *x, X509_EXTENSION *ex, int loc) |
| 214 | { |
| 215 | return(X509v3_add_ext(&(x->tbsResponseData->responseExtensions),ex,loc) != NULL); |
| 216 | } |
| 217 | |
| 218 | /* OCSP single response extensions */ |
| 219 | |
| 220 | int OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x) |
| 221 | { |
| 222 | return(X509v3_get_ext_count(x->singleExtensions)); |
| 223 | } |
| 224 | |
| 225 | int OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos) |
| 226 | { |
| 227 | return(X509v3_get_ext_by_NID(x->singleExtensions,nid,lastpos)); |
| 228 | } |
| 229 | |
| 230 | int OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP *x, ASN1_OBJECT *obj, int lastpos) |
| 231 | { |
| 232 | return(X509v3_get_ext_by_OBJ(x->singleExtensions,obj,lastpos)); |
| 233 | } |
| 234 | |
| 235 | int OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos) |
| 236 | { |
| 237 | return(X509v3_get_ext_by_critical(x->singleExtensions,crit,lastpos)); |
| 238 | } |
| 239 | |
| 240 | X509_EXTENSION *OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc) |
| 241 | { |
| 242 | return(X509v3_get_ext(x->singleExtensions,loc)); |
| 243 | } |
| 244 | |
| 245 | X509_EXTENSION *OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc) |
| 246 | { |
| 247 | return(X509v3_delete_ext(x->singleExtensions,loc)); |
| 248 | } |
| 249 | |
| 250 | void *OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP *x, int nid, int *crit, int *idx) |
| 251 | { |
| 252 | return X509V3_get_d2i(x->singleExtensions, nid, crit, idx); |
| 253 | } |
| 254 | |
| 255 | int OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP *x, int nid, void *value, int crit, |
| 256 | unsigned long flags) |
| 257 | { |
| 258 | return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags); |
| 259 | } |
| 260 | |
| 261 | int OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP *x, X509_EXTENSION *ex, int loc) |
| 262 | { |
| 263 | return(X509v3_add_ext(&(x->singleExtensions),ex,loc) != NULL); |
| 264 | } |
| 265 | |
| 266 | /* also CRL Entry Extensions */ |
| 267 | #if 0 |
| 268 | ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, i2d_of_void *i2d, |
| 269 | void *data, STACK_OF(ASN1_OBJECT) *sk) |
| 270 | { |
| 271 | int i; |
| 272 | unsigned char *p, *b = NULL; |
| 273 | |
| 274 | if (data) |
| 275 | { |
| 276 | if ((i=i2d(data,NULL)) <= 0) goto err; |
| 277 | if (!(b=p=OPENSSL_malloc((unsigned int)i))) |
| 278 | goto err; |
| 279 | if (i2d(data, &p) <= 0) goto err; |
| 280 | } |
| 281 | else if (sk) |
| 282 | { |
| 283 | if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL, |
| 284 | (I2D_OF(ASN1_OBJECT))i2d, |
| 285 | V_ASN1_SEQUENCE, |
| 286 | V_ASN1_UNIVERSAL, |
| 287 | IS_SEQUENCE))<=0) goto err; |
| 288 | if (!(b=p=OPENSSL_malloc((unsigned int)i))) |
| 289 | goto err; |
| 290 | if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,(I2D_OF(ASN1_OBJECT))i2d, |
| 291 | V_ASN1_SEQUENCE, |
| 292 | V_ASN1_UNIVERSAL, |
| 293 | IS_SEQUENCE)<=0) goto err; |
| 294 | } |
| 295 | else |
| 296 | { |
| 297 | OCSPerr(OCSP_F_ASN1_STRING_ENCODE,OCSP_R_BAD_DATA); |
| 298 | goto err; |
| 299 | } |
| 300 | if (!s && !(s = ASN1_STRING_new())) goto err; |
| 301 | if (!(ASN1_STRING_set(s, b, i))) goto err; |
| 302 | OPENSSL_free(b); |
| 303 | return s; |
| 304 | err: |
| 305 | if (b) OPENSSL_free(b); |
| 306 | return NULL; |
| 307 | } |
| 308 | #endif |
| 309 | |
| 310 | /* Nonce handling functions */ |
| 311 | |
| 312 | /* Add a nonce to an extension stack. A nonce can be specificed or if NULL |
| 313 | * a random nonce will be generated. |
| 314 | * Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the |
| 315 | * nonce, previous versions used the raw nonce. |
| 316 | */ |
| 317 | |
| 318 | static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts, unsigned char *val, int len) |
| 319 | { |
| 320 | unsigned char *tmpval; |
| 321 | ASN1_OCTET_STRING os; |
| 322 | int ret = 0; |
| 323 | if (len <= 0) len = OCSP_DEFAULT_NONCE_LENGTH; |
| 324 | /* Create the OCTET STRING manually by writing out the header and |
| 325 | * appending the content octets. This avoids an extra memory allocation |
| 326 | * operation in some cases. Applications should *NOT* do this because |
| 327 | * it relies on library internals. |
| 328 | */ |
| 329 | os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING); |
| 330 | os.data = OPENSSL_malloc(os.length); |
| 331 | if (os.data == NULL) |
| 332 | goto err; |
| 333 | tmpval = os.data; |
| 334 | ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL); |
| 335 | if (val) |
| 336 | memcpy(tmpval, val, len); |
| 337 | else |
| 338 | RAND_pseudo_bytes(tmpval, len); |
| 339 | if(!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce, |
| 340 | &os, 0, X509V3_ADD_REPLACE)) |
| 341 | goto err; |
| 342 | ret = 1; |
| 343 | err: |
| 344 | if (os.data) |
| 345 | OPENSSL_free(os.data); |
| 346 | return ret; |
| 347 | } |
| 348 | |
| 349 | |
| 350 | /* Add nonce to an OCSP request */ |
| 351 | |
| 352 | int OCSP_request_add1_nonce(OCSP_REQUEST *req, unsigned char *val, int len) |
| 353 | { |
| 354 | return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len); |
| 355 | } |
| 356 | |
| 357 | /* Same as above but for a response */ |
| 358 | |
| 359 | int OCSP_basic_add1_nonce(OCSP_BASICRESP *resp, unsigned char *val, int len) |
| 360 | { |
| 361 | return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val, len); |
| 362 | } |
| 363 | |
| 364 | /* Check nonce validity in a request and response. |
| 365 | * Return value reflects result: |
| 366 | * 1: nonces present and equal. |
| 367 | * 2: nonces both absent. |
| 368 | * 3: nonce present in response only. |
| 369 | * 0: nonces both present and not equal. |
| 370 | * -1: nonce in request only. |
| 371 | * |
| 372 | * For most responders clients can check return > 0. |
| 373 | * If responder doesn't handle nonces return != 0 may be |
| 374 | * necessary. return == 0 is always an error. |
| 375 | */ |
| 376 | |
| 377 | int OCSP_check_nonce(OCSP_REQUEST *req, OCSP_BASICRESP *bs) |
| 378 | { |
| 379 | /* |
| 380 | * Since we are only interested in the presence or absence of |
| 381 | * the nonce and comparing its value there is no need to use |
| 382 | * the X509V3 routines: this way we can avoid them allocating an |
| 383 | * ASN1_OCTET_STRING structure for the value which would be |
| 384 | * freed immediately anyway. |
| 385 | */ |
| 386 | |
| 387 | int req_idx, resp_idx; |
| 388 | X509_EXTENSION *req_ext, *resp_ext; |
| 389 | req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1); |
| 390 | resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs, NID_id_pkix_OCSP_Nonce, -1); |
| 391 | /* Check both absent */ |
| 392 | if((req_idx < 0) && (resp_idx < 0)) |
| 393 | return 2; |
| 394 | /* Check in request only */ |
| 395 | if((req_idx >= 0) && (resp_idx < 0)) |
| 396 | return -1; |
| 397 | /* Check in response but not request */ |
| 398 | if((req_idx < 0) && (resp_idx >= 0)) |
| 399 | return 3; |
| 400 | /* Otherwise nonce in request and response so retrieve the extensions */ |
| 401 | req_ext = OCSP_REQUEST_get_ext(req, req_idx); |
| 402 | resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx); |
| 403 | if(ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value)) |
| 404 | return 0; |
| 405 | return 1; |
| 406 | } |
| 407 | |
| 408 | /* Copy the nonce value (if any) from an OCSP request to |
| 409 | * a response. |
| 410 | */ |
| 411 | |
| 412 | int OCSP_copy_nonce(OCSP_BASICRESP *resp, OCSP_REQUEST *req) |
| 413 | { |
| 414 | X509_EXTENSION *req_ext; |
| 415 | int req_idx; |
| 416 | /* Check for nonce in request */ |
| 417 | req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1); |
| 418 | /* If no nonce that's OK */ |
| 419 | if (req_idx < 0) return 2; |
| 420 | req_ext = OCSP_REQUEST_get_ext(req, req_idx); |
| 421 | return OCSP_BASICRESP_add_ext(resp, req_ext, -1); |
| 422 | } |
| 423 | |
| 424 | X509_EXTENSION *OCSP_crlID_new(char *url, long *n, char *tim) |
| 425 | { |
| 426 | X509_EXTENSION *x = NULL; |
| 427 | OCSP_CRLID *cid = NULL; |
| 428 | |
| 429 | if (!(cid = OCSP_CRLID_new())) goto err; |
| 430 | if (url) |
| 431 | { |
| 432 | if (!(cid->crlUrl = ASN1_IA5STRING_new())) goto err; |
| 433 | if (!(ASN1_STRING_set(cid->crlUrl, url, -1))) goto err; |
| 434 | } |
| 435 | if (n) |
| 436 | { |
| 437 | if (!(cid->crlNum = ASN1_INTEGER_new())) goto err; |
| 438 | if (!(ASN1_INTEGER_set(cid->crlNum, *n))) goto err; |
| 439 | } |
| 440 | if (tim) |
| 441 | { |
| 442 | if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new())) goto err; |
| 443 | if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim))) |
| 444 | goto err; |
| 445 | } |
| 446 | x = X509V3_EXT_i2d(NID_id_pkix_OCSP_CrlID, 0, cid); |
| 447 | err: |
| 448 | if (cid) OCSP_CRLID_free(cid); |
| 449 | return x; |
| 450 | } |
| 451 | |
| 452 | /* AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */ |
| 453 | X509_EXTENSION *OCSP_accept_responses_new(char **oids) |
| 454 | { |
| 455 | int nid; |
| 456 | STACK_OF(ASN1_OBJECT) *sk = NULL; |
| 457 | ASN1_OBJECT *o = NULL; |
| 458 | X509_EXTENSION *x = NULL; |
| 459 | |
| 460 | if (!(sk = sk_ASN1_OBJECT_new_null())) goto err; |
| 461 | while (oids && *oids) |
| 462 | { |
| 463 | if ((nid=OBJ_txt2nid(*oids))!=NID_undef&&(o=OBJ_nid2obj(nid))) |
| 464 | sk_ASN1_OBJECT_push(sk, o); |
| 465 | oids++; |
| 466 | } |
| 467 | x = X509V3_EXT_i2d(NID_id_pkix_OCSP_acceptableResponses, 0, sk); |
| 468 | err: |
| 469 | if (sk) sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free); |
| 470 | return x; |
| 471 | } |
| 472 | |
| 473 | /* ArchiveCutoff ::= GeneralizedTime */ |
| 474 | X509_EXTENSION *OCSP_archive_cutoff_new(char* tim) |
| 475 | { |
| 476 | X509_EXTENSION *x=NULL; |
| 477 | ASN1_GENERALIZEDTIME *gt = NULL; |
| 478 | |
| 479 | if (!(gt = ASN1_GENERALIZEDTIME_new())) goto err; |
| 480 | if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim))) goto err; |
| 481 | x = X509V3_EXT_i2d(NID_id_pkix_OCSP_archiveCutoff, 0, gt); |
| 482 | err: |
| 483 | if (gt) ASN1_GENERALIZEDTIME_free(gt); |
| 484 | return x; |
| 485 | } |
| 486 | |
| 487 | /* per ACCESS_DESCRIPTION parameter are oids, of which there are currently |
| 488 | * two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value. This |
| 489 | * method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String. |
| 490 | */ |
| 491 | X509_EXTENSION *OCSP_url_svcloc_new(X509_NAME* issuer, char **urls) |
| 492 | { |
| 493 | X509_EXTENSION *x = NULL; |
| 494 | ASN1_IA5STRING *ia5 = NULL; |
| 495 | OCSP_SERVICELOC *sloc = NULL; |
| 496 | ACCESS_DESCRIPTION *ad = NULL; |
| 497 | |
| 498 | if (!(sloc = OCSP_SERVICELOC_new())) goto err; |
| 499 | if (!(sloc->issuer = X509_NAME_dup(issuer))) goto err; |
| 500 | if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new_null())) goto err; |
| 501 | while (urls && *urls) |
| 502 | { |
| 503 | if (!(ad = ACCESS_DESCRIPTION_new())) goto err; |
| 504 | if (!(ad->method=OBJ_nid2obj(NID_ad_OCSP))) goto err; |
| 505 | if (!(ad->location = GENERAL_NAME_new())) goto err; |
| 506 | if (!(ia5 = ASN1_IA5STRING_new())) goto err; |
| 507 | if (!ASN1_STRING_set((ASN1_STRING*)ia5, *urls, -1)) goto err; |
| 508 | ad->location->type = GEN_URI; |
| 509 | ad->location->d.ia5 = ia5; |
| 510 | if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad)) goto err; |
| 511 | urls++; |
| 512 | } |
| 513 | x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc); |
| 514 | err: |
| 515 | if (sloc) OCSP_SERVICELOC_free(sloc); |
| 516 | return x; |
| 517 | } |
| 518 | |