1 | /* ocsp.c
|
---|
2 | *
|
---|
3 | * Copyright (C) 2006-2020 wolfSSL Inc.
|
---|
4 | *
|
---|
5 | * This file is part of wolfSSL.
|
---|
6 | *
|
---|
7 | * wolfSSL is free software; you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation; either version 2 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * wolfSSL is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with this program; if not, write to the Free Software
|
---|
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
---|
20 | */
|
---|
21 |
|
---|
22 |
|
---|
23 | /* Name change compatibility layer no longer needs to be included here */
|
---|
24 |
|
---|
25 | #ifdef HAVE_CONFIG_H
|
---|
26 | #include <config.h>
|
---|
27 | #endif
|
---|
28 |
|
---|
29 | #include <wolfssl/wolfcrypt/settings.h>
|
---|
30 |
|
---|
31 | #ifndef WOLFCRYPT_ONLY
|
---|
32 | #ifdef HAVE_OCSP
|
---|
33 |
|
---|
34 | #include <wolfssl/error-ssl.h>
|
---|
35 | #include <wolfssl/ocsp.h>
|
---|
36 | #include <wolfssl/internal.h>
|
---|
37 |
|
---|
38 | #ifdef NO_INLINE
|
---|
39 | #include <wolfssl/wolfcrypt/misc.h>
|
---|
40 | #else
|
---|
41 | #define WOLFSSL_MISC_INCLUDED
|
---|
42 | #include <wolfcrypt/src/misc.c>
|
---|
43 | #endif
|
---|
44 |
|
---|
45 |
|
---|
46 | int InitOCSP(WOLFSSL_OCSP* ocsp, WOLFSSL_CERT_MANAGER* cm)
|
---|
47 | {
|
---|
48 | WOLFSSL_ENTER("InitOCSP");
|
---|
49 |
|
---|
50 | ForceZero(ocsp, sizeof(WOLFSSL_OCSP));
|
---|
51 |
|
---|
52 | if (wc_InitMutex(&ocsp->ocspLock) != 0)
|
---|
53 | return BAD_MUTEX_E;
|
---|
54 |
|
---|
55 | ocsp->cm = cm;
|
---|
56 |
|
---|
57 | return 0;
|
---|
58 | }
|
---|
59 |
|
---|
60 |
|
---|
61 | static int InitOcspEntry(OcspEntry* entry, OcspRequest* request)
|
---|
62 | {
|
---|
63 | WOLFSSL_ENTER("InitOcspEntry");
|
---|
64 |
|
---|
65 | ForceZero(entry, sizeof(OcspEntry));
|
---|
66 |
|
---|
67 | XMEMCPY(entry->issuerHash, request->issuerHash, OCSP_DIGEST_SIZE);
|
---|
68 | XMEMCPY(entry->issuerKeyHash, request->issuerKeyHash, OCSP_DIGEST_SIZE);
|
---|
69 |
|
---|
70 | return 0;
|
---|
71 | }
|
---|
72 |
|
---|
73 |
|
---|
74 | static void FreeOcspEntry(OcspEntry* entry, void* heap)
|
---|
75 | {
|
---|
76 | CertStatus *status, *next;
|
---|
77 |
|
---|
78 | WOLFSSL_ENTER("FreeOcspEntry");
|
---|
79 |
|
---|
80 | for (status = entry->status; status; status = next) {
|
---|
81 | next = status->next;
|
---|
82 |
|
---|
83 | if (status->rawOcspResponse)
|
---|
84 | XFREE(status->rawOcspResponse, heap, DYNAMIC_TYPE_OCSP_STATUS);
|
---|
85 |
|
---|
86 | XFREE(status, heap, DYNAMIC_TYPE_OCSP_STATUS);
|
---|
87 | }
|
---|
88 |
|
---|
89 | (void)heap;
|
---|
90 | }
|
---|
91 |
|
---|
92 |
|
---|
93 | void FreeOCSP(WOLFSSL_OCSP* ocsp, int dynamic)
|
---|
94 | {
|
---|
95 | OcspEntry *entry, *next;
|
---|
96 |
|
---|
97 | WOLFSSL_ENTER("FreeOCSP");
|
---|
98 |
|
---|
99 | for (entry = ocsp->ocspList; entry; entry = next) {
|
---|
100 | next = entry->next;
|
---|
101 | FreeOcspEntry(entry, ocsp->cm->heap);
|
---|
102 | XFREE(entry, ocsp->cm->heap, DYNAMIC_TYPE_OCSP_ENTRY);
|
---|
103 | }
|
---|
104 |
|
---|
105 | wc_FreeMutex(&ocsp->ocspLock);
|
---|
106 |
|
---|
107 | if (dynamic)
|
---|
108 | XFREE(ocsp, ocsp->cm->heap, DYNAMIC_TYPE_OCSP);
|
---|
109 |
|
---|
110 | }
|
---|
111 |
|
---|
112 |
|
---|
113 | static int xstat2err(int st)
|
---|
114 | {
|
---|
115 | switch (st) {
|
---|
116 | case CERT_GOOD:
|
---|
117 | return 0;
|
---|
118 | case CERT_REVOKED:
|
---|
119 | return OCSP_CERT_REVOKED;
|
---|
120 | default:
|
---|
121 | return OCSP_CERT_UNKNOWN;
|
---|
122 | }
|
---|
123 | }
|
---|
124 |
|
---|
125 | int CheckCertOCSP_ex(WOLFSSL_OCSP* ocsp, DecodedCert* cert, buffer* responseBuffer, WOLFSSL* ssl)
|
---|
126 | {
|
---|
127 | int ret = OCSP_LOOKUP_FAIL;
|
---|
128 |
|
---|
129 | #ifdef WOLFSSL_SMALL_STACK
|
---|
130 | OcspRequest* ocspRequest;
|
---|
131 | #else
|
---|
132 | OcspRequest ocspRequest[1];
|
---|
133 | #endif
|
---|
134 |
|
---|
135 | WOLFSSL_ENTER("CheckCertOCSP");
|
---|
136 |
|
---|
137 |
|
---|
138 | #ifdef WOLFSSL_SMALL_STACK
|
---|
139 | ocspRequest = (OcspRequest*)XMALLOC(sizeof(OcspRequest), NULL,
|
---|
140 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
141 | if (ocspRequest == NULL) {
|
---|
142 | WOLFSSL_LEAVE("CheckCertOCSP", MEMORY_ERROR);
|
---|
143 | return MEMORY_E;
|
---|
144 | }
|
---|
145 | #endif
|
---|
146 |
|
---|
147 | if (InitOcspRequest(ocspRequest, cert, ocsp->cm->ocspSendNonce,
|
---|
148 | ocsp->cm->heap) == 0) {
|
---|
149 | ocspRequest->ssl = ssl;
|
---|
150 | ret = CheckOcspRequest(ocsp, ocspRequest, responseBuffer);
|
---|
151 |
|
---|
152 | FreeOcspRequest(ocspRequest);
|
---|
153 | }
|
---|
154 |
|
---|
155 | #ifdef WOLFSSL_SMALL_STACK
|
---|
156 | XFREE(ocspRequest, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
157 | #endif
|
---|
158 |
|
---|
159 | WOLFSSL_LEAVE("CheckCertOCSP", ret);
|
---|
160 | return ret;
|
---|
161 | }
|
---|
162 | int CheckCertOCSP(WOLFSSL_OCSP* ocsp, DecodedCert* cert, buffer* responseBuffer)
|
---|
163 | {
|
---|
164 | return CheckCertOCSP_ex(ocsp, cert, responseBuffer, NULL);
|
---|
165 | }
|
---|
166 |
|
---|
167 | static int GetOcspEntry(WOLFSSL_OCSP* ocsp, OcspRequest* request,
|
---|
168 | OcspEntry** entry)
|
---|
169 | {
|
---|
170 | WOLFSSL_ENTER("GetOcspEntry");
|
---|
171 |
|
---|
172 | *entry = NULL;
|
---|
173 |
|
---|
174 | if (wc_LockMutex(&ocsp->ocspLock) != 0) {
|
---|
175 | WOLFSSL_LEAVE("CheckCertOCSP", BAD_MUTEX_E);
|
---|
176 | return BAD_MUTEX_E;
|
---|
177 | }
|
---|
178 |
|
---|
179 | for (*entry = ocsp->ocspList; *entry; *entry = (*entry)->next)
|
---|
180 | if (XMEMCMP((*entry)->issuerHash, request->issuerHash,
|
---|
181 | OCSP_DIGEST_SIZE) == 0
|
---|
182 | && XMEMCMP((*entry)->issuerKeyHash, request->issuerKeyHash,
|
---|
183 | OCSP_DIGEST_SIZE) == 0)
|
---|
184 | break;
|
---|
185 |
|
---|
186 | if (*entry == NULL) {
|
---|
187 | *entry = (OcspEntry*)XMALLOC(sizeof(OcspEntry),
|
---|
188 | ocsp->cm->heap, DYNAMIC_TYPE_OCSP_ENTRY);
|
---|
189 | if (*entry) {
|
---|
190 | InitOcspEntry(*entry, request);
|
---|
191 | (*entry)->next = ocsp->ocspList;
|
---|
192 | ocsp->ocspList = *entry;
|
---|
193 | }
|
---|
194 | }
|
---|
195 |
|
---|
196 | wc_UnLockMutex(&ocsp->ocspLock);
|
---|
197 |
|
---|
198 | return *entry ? 0 : MEMORY_ERROR;
|
---|
199 | }
|
---|
200 |
|
---|
201 |
|
---|
202 | /* Mallocs responseBuffer->buffer and is up to caller to free on success
|
---|
203 | *
|
---|
204 | * Returns OCSP status
|
---|
205 | */
|
---|
206 | static int GetOcspStatus(WOLFSSL_OCSP* ocsp, OcspRequest* request,
|
---|
207 | OcspEntry* entry, CertStatus** status, buffer* responseBuffer)
|
---|
208 | {
|
---|
209 | int ret = OCSP_INVALID_STATUS;
|
---|
210 |
|
---|
211 | WOLFSSL_ENTER("GetOcspStatus");
|
---|
212 |
|
---|
213 | *status = NULL;
|
---|
214 |
|
---|
215 | if (wc_LockMutex(&ocsp->ocspLock) != 0) {
|
---|
216 | WOLFSSL_LEAVE("CheckCertOCSP", BAD_MUTEX_E);
|
---|
217 | return BAD_MUTEX_E;
|
---|
218 | }
|
---|
219 |
|
---|
220 | for (*status = entry->status; *status; *status = (*status)->next)
|
---|
221 | if ((*status)->serialSz == request->serialSz
|
---|
222 | && !XMEMCMP((*status)->serial, request->serial, (*status)->serialSz))
|
---|
223 | break;
|
---|
224 |
|
---|
225 | if (responseBuffer && *status && !(*status)->rawOcspResponse) {
|
---|
226 | /* force fetching again */
|
---|
227 | ret = OCSP_INVALID_STATUS;
|
---|
228 | }
|
---|
229 | else if (*status) {
|
---|
230 | #ifndef NO_ASN_TIME
|
---|
231 | if (XVALIDATE_DATE((*status)->thisDate,
|
---|
232 | (*status)->thisDateFormat, BEFORE)
|
---|
233 | && ((*status)->nextDate[0] != 0)
|
---|
234 | && XVALIDATE_DATE((*status)->nextDate,
|
---|
235 | (*status)->nextDateFormat, AFTER))
|
---|
236 | #endif
|
---|
237 | {
|
---|
238 | ret = xstat2err((*status)->status);
|
---|
239 |
|
---|
240 | if (responseBuffer) {
|
---|
241 | responseBuffer->buffer = (byte*)XMALLOC(
|
---|
242 | (*status)->rawOcspResponseSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
243 |
|
---|
244 | if (responseBuffer->buffer) {
|
---|
245 | responseBuffer->length = (*status)->rawOcspResponseSz;
|
---|
246 | XMEMCPY(responseBuffer->buffer,
|
---|
247 | (*status)->rawOcspResponse,
|
---|
248 | (*status)->rawOcspResponseSz);
|
---|
249 | }
|
---|
250 | }
|
---|
251 | }
|
---|
252 | }
|
---|
253 |
|
---|
254 | wc_UnLockMutex(&ocsp->ocspLock);
|
---|
255 |
|
---|
256 | return ret;
|
---|
257 | }
|
---|
258 |
|
---|
259 | /* Check that the response for validity. Store result in status.
|
---|
260 | *
|
---|
261 | * ocsp Context object for OCSP status.
|
---|
262 | * response OCSP response message data.
|
---|
263 | * responseSz Length of OCSP response message data.
|
---|
264 | * reponseBuffer Buffer object to return the response with.
|
---|
265 | * status The certificate status object.
|
---|
266 | * entry The OCSP entry for this certificate.
|
---|
267 | * returns OCSP_LOOKUP_FAIL when the response is bad and 0 otherwise.
|
---|
268 | */
|
---|
269 | WOLFSSL_LOCAL int CheckOcspResponse(WOLFSSL_OCSP *ocsp, byte *response, int responseSz,
|
---|
270 | WOLFSSL_BUFFER_INFO *responseBuffer, CertStatus *status,
|
---|
271 | OcspEntry *entry, OcspRequest *ocspRequest)
|
---|
272 | {
|
---|
273 | #ifdef WOLFSSL_SMALL_STACK
|
---|
274 | CertStatus* newStatus;
|
---|
275 | OcspResponse* ocspResponse;
|
---|
276 | #else
|
---|
277 | CertStatus newStatus[1];
|
---|
278 | OcspResponse ocspResponse[1];
|
---|
279 | #endif
|
---|
280 | int ret;
|
---|
281 | int validated = 0; /* ocsp validation flag */
|
---|
282 |
|
---|
283 | #ifdef WOLFSSL_SMALL_STACK
|
---|
284 | newStatus = (CertStatus*)XMALLOC(sizeof(CertStatus), NULL,
|
---|
285 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
286 | ocspResponse = (OcspResponse*)XMALLOC(sizeof(OcspResponse), NULL,
|
---|
287 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
288 |
|
---|
289 | if (newStatus == NULL || ocspResponse == NULL) {
|
---|
290 | if (newStatus) XFREE(newStatus, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
291 | if (ocspResponse) XFREE(ocspResponse, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
292 |
|
---|
293 | WOLFSSL_LEAVE("CheckCertOCSP", MEMORY_ERROR);
|
---|
294 | return MEMORY_E;
|
---|
295 | }
|
---|
296 | #endif
|
---|
297 | XMEMSET(newStatus, 0, sizeof(CertStatus));
|
---|
298 |
|
---|
299 | InitOcspResponse(ocspResponse, newStatus, response, responseSz);
|
---|
300 | ret = OcspResponseDecode(ocspResponse, ocsp->cm, ocsp->cm->heap, 0);
|
---|
301 | if (ret != 0) {
|
---|
302 | ocsp->error = ret;
|
---|
303 | WOLFSSL_LEAVE("OcspResponseDecode failed", ocsp->error);
|
---|
304 | goto end;
|
---|
305 | }
|
---|
306 |
|
---|
307 | if (ocspResponse->responseStatus != OCSP_SUCCESSFUL) {
|
---|
308 | WOLFSSL_MSG("OcspResponse status bad");
|
---|
309 | goto end;
|
---|
310 | }
|
---|
311 | if (ocspRequest != NULL) {
|
---|
312 | ret = CompareOcspReqResp(ocspRequest, ocspResponse);
|
---|
313 | if (ret != 0) {
|
---|
314 | goto end;
|
---|
315 | }
|
---|
316 | }
|
---|
317 |
|
---|
318 | if (responseBuffer) {
|
---|
319 | responseBuffer->buffer = (byte*)XMALLOC(responseSz, ocsp->cm->heap,
|
---|
320 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
321 |
|
---|
322 | if (responseBuffer->buffer) {
|
---|
323 | responseBuffer->length = responseSz;
|
---|
324 | XMEMCPY(responseBuffer->buffer, response, responseSz);
|
---|
325 | }
|
---|
326 | }
|
---|
327 |
|
---|
328 | ret = xstat2err(ocspResponse->status->status);
|
---|
329 | if (ret == 0) {
|
---|
330 | validated = 1;
|
---|
331 | }
|
---|
332 |
|
---|
333 | if (wc_LockMutex(&ocsp->ocspLock) != 0) {
|
---|
334 | ret = BAD_MUTEX_E;
|
---|
335 | goto end;
|
---|
336 | }
|
---|
337 |
|
---|
338 | if (status != NULL) {
|
---|
339 | if (status->rawOcspResponse) {
|
---|
340 | XFREE(status->rawOcspResponse, ocsp->cm->heap,
|
---|
341 | DYNAMIC_TYPE_OCSP_STATUS);
|
---|
342 | }
|
---|
343 |
|
---|
344 | /* Replace existing certificate entry with updated */
|
---|
345 | newStatus->next = status->next;
|
---|
346 | XMEMCPY(status, newStatus, sizeof(CertStatus));
|
---|
347 | }
|
---|
348 | else {
|
---|
349 | /* Save new certificate entry */
|
---|
350 | status = (CertStatus*)XMALLOC(sizeof(CertStatus),
|
---|
351 | ocsp->cm->heap, DYNAMIC_TYPE_OCSP_STATUS);
|
---|
352 | if (status != NULL) {
|
---|
353 | XMEMCPY(status, newStatus, sizeof(CertStatus));
|
---|
354 | status->next = entry->status;
|
---|
355 | entry->status = status;
|
---|
356 | entry->totalStatus++;
|
---|
357 | }
|
---|
358 | }
|
---|
359 |
|
---|
360 | if (status && responseBuffer && responseBuffer->buffer) {
|
---|
361 | status->rawOcspResponse = (byte*)XMALLOC(responseBuffer->length,
|
---|
362 | ocsp->cm->heap,
|
---|
363 | DYNAMIC_TYPE_OCSP_STATUS);
|
---|
364 |
|
---|
365 | if (status->rawOcspResponse) {
|
---|
366 | status->rawOcspResponseSz = responseBuffer->length;
|
---|
367 | XMEMCPY(status->rawOcspResponse, responseBuffer->buffer,
|
---|
368 | responseBuffer->length);
|
---|
369 | }
|
---|
370 | }
|
---|
371 |
|
---|
372 | wc_UnLockMutex(&ocsp->ocspLock);
|
---|
373 |
|
---|
374 | end:
|
---|
375 | if (ret == 0 && validated == 1) {
|
---|
376 | WOLFSSL_MSG("New OcspResponse validated");
|
---|
377 | } else if (ret != OCSP_CERT_REVOKED) {
|
---|
378 | ret = OCSP_LOOKUP_FAIL;
|
---|
379 | }
|
---|
380 |
|
---|
381 | #ifdef WOLFSSL_SMALL_STACK
|
---|
382 | XFREE(newStatus, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
383 | XFREE(ocspResponse, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
384 | #endif
|
---|
385 | return ret;
|
---|
386 | }
|
---|
387 |
|
---|
388 | /* 0 on success */
|
---|
389 | int CheckOcspRequest(WOLFSSL_OCSP* ocsp, OcspRequest* ocspRequest,
|
---|
390 | buffer* responseBuffer)
|
---|
391 | {
|
---|
392 | OcspEntry* entry = NULL;
|
---|
393 | CertStatus* status = NULL;
|
---|
394 | byte* request = NULL;
|
---|
395 | int requestSz = 2048;
|
---|
396 | int responseSz = 0;
|
---|
397 | byte* response = NULL;
|
---|
398 | const char* url = NULL;
|
---|
399 | int urlSz = 0;
|
---|
400 | int ret = -1;
|
---|
401 | WOLFSSL* ssl;
|
---|
402 | void* ioCtx;
|
---|
403 |
|
---|
404 | WOLFSSL_ENTER("CheckOcspRequest");
|
---|
405 |
|
---|
406 | if (ocsp == NULL || ocspRequest == NULL)
|
---|
407 | return BAD_FUNC_ARG;
|
---|
408 |
|
---|
409 | if (responseBuffer) {
|
---|
410 | responseBuffer->buffer = NULL;
|
---|
411 | responseBuffer->length = 0;
|
---|
412 | }
|
---|
413 |
|
---|
414 | ret = GetOcspEntry(ocsp, ocspRequest, &entry);
|
---|
415 | if (ret != 0)
|
---|
416 | return ret;
|
---|
417 |
|
---|
418 | ret = GetOcspStatus(ocsp, ocspRequest, entry, &status, responseBuffer);
|
---|
419 | if (ret != OCSP_INVALID_STATUS)
|
---|
420 | return ret;
|
---|
421 |
|
---|
422 | /* get SSL and IOCtx */
|
---|
423 | ssl = (WOLFSSL*)ocspRequest->ssl;
|
---|
424 | ioCtx = (ssl && ssl->ocspIOCtx != NULL) ?
|
---|
425 | ssl->ocspIOCtx : ocsp->cm->ocspIOCtx;
|
---|
426 |
|
---|
427 | #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
|
---|
428 | if (ocsp->statusCb != NULL && ssl != NULL) {
|
---|
429 | ret = ocsp->statusCb(ssl, ioCtx);
|
---|
430 | if (ret == 0) {
|
---|
431 | ret = wolfSSL_get_ocsp_response(ssl, &response);
|
---|
432 | ret = CheckOcspResponse(ocsp, response, ret, responseBuffer, status,
|
---|
433 | entry, NULL);
|
---|
434 | if (response != NULL)
|
---|
435 | XFREE(response, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
436 | return ret;
|
---|
437 | }
|
---|
438 | WOLFSSL_LEAVE("CheckOcspRequest", ocsp->error);
|
---|
439 | return OCSP_LOOKUP_FAIL;
|
---|
440 | }
|
---|
441 | #endif
|
---|
442 |
|
---|
443 | if (ocsp->cm->ocspUseOverrideURL) {
|
---|
444 | url = ocsp->cm->ocspOverrideURL;
|
---|
445 | if (url != NULL && url[0] != '\0')
|
---|
446 | urlSz = (int)XSTRLEN(url);
|
---|
447 | else
|
---|
448 | return OCSP_NEED_URL;
|
---|
449 | }
|
---|
450 | else if (ocspRequest->urlSz != 0 && ocspRequest->url != NULL) {
|
---|
451 | url = (const char *)ocspRequest->url;
|
---|
452 | urlSz = ocspRequest->urlSz;
|
---|
453 | }
|
---|
454 | else {
|
---|
455 | /* cert doesn't have extAuthInfo, assuming CERT_GOOD */
|
---|
456 | return 0;
|
---|
457 | }
|
---|
458 |
|
---|
459 | request = (byte*)XMALLOC(requestSz, ocsp->cm->heap, DYNAMIC_TYPE_OCSP);
|
---|
460 | if (request == NULL) {
|
---|
461 | WOLFSSL_LEAVE("CheckCertOCSP", MEMORY_ERROR);
|
---|
462 | if (responseBuffer) {
|
---|
463 | XFREE(responseBuffer->buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
464 | responseBuffer->buffer = NULL;
|
---|
465 | }
|
---|
466 | return MEMORY_ERROR;
|
---|
467 | }
|
---|
468 |
|
---|
469 | requestSz = EncodeOcspRequest(ocspRequest, request, requestSz);
|
---|
470 | if (requestSz > 0 && ocsp->cm->ocspIOCb) {
|
---|
471 | responseSz = ocsp->cm->ocspIOCb(ioCtx, url, urlSz,
|
---|
472 | request, requestSz, &response);
|
---|
473 | }
|
---|
474 | if (responseSz == WOLFSSL_CBIO_ERR_WANT_READ) {
|
---|
475 | ret = OCSP_WANT_READ;
|
---|
476 | }
|
---|
477 |
|
---|
478 | XFREE(request, ocsp->cm->heap, DYNAMIC_TYPE_OCSP);
|
---|
479 |
|
---|
480 | if (responseSz >= 0 && response) {
|
---|
481 | ret = CheckOcspResponse(ocsp, response, responseSz, responseBuffer, status,
|
---|
482 | entry, ocspRequest);
|
---|
483 | }
|
---|
484 |
|
---|
485 | if (response != NULL && ocsp->cm->ocspRespFreeCb)
|
---|
486 | ocsp->cm->ocspRespFreeCb(ioCtx, response);
|
---|
487 |
|
---|
488 | /* Keep responseBuffer in the case of getting to response check. Caller
|
---|
489 | * should free responseBuffer after checking OCSP return value in "ret" */
|
---|
490 | WOLFSSL_LEAVE("CheckOcspRequest", ret);
|
---|
491 | return ret;
|
---|
492 | }
|
---|
493 |
|
---|
494 | #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \
|
---|
495 | defined(WOLFSSL_APACHE_HTTPD)
|
---|
496 |
|
---|
497 | int wolfSSL_OCSP_resp_find_status(WOLFSSL_OCSP_BASICRESP *bs,
|
---|
498 | WOLFSSL_OCSP_CERTID* id, int* status, int* reason,
|
---|
499 | WOLFSSL_ASN1_TIME** revtime, WOLFSSL_ASN1_TIME** thisupd,
|
---|
500 | WOLFSSL_ASN1_TIME** nextupd)
|
---|
501 | {
|
---|
502 | if (bs == NULL || id == NULL)
|
---|
503 | return WOLFSSL_FAILURE;
|
---|
504 |
|
---|
505 | /* Only supporting one certificate status in asn.c. */
|
---|
506 | if (CompareOcspReqResp(id, bs) != 0)
|
---|
507 | return WOLFSSL_FAILURE;
|
---|
508 |
|
---|
509 | if (status != NULL)
|
---|
510 | *status = bs->status->status;
|
---|
511 | if (thisupd != NULL)
|
---|
512 | *thisupd = &bs->status->thisDateParsed;
|
---|
513 | if (nextupd != NULL)
|
---|
514 | *nextupd = &bs->status->nextDateParsed;
|
---|
515 |
|
---|
516 | /* TODO: Not needed for Nginx. */
|
---|
517 | if (reason != NULL)
|
---|
518 | *reason = 0;
|
---|
519 | if (revtime != NULL)
|
---|
520 | *revtime = NULL;
|
---|
521 |
|
---|
522 | return WOLFSSL_SUCCESS;
|
---|
523 | }
|
---|
524 |
|
---|
525 | const char *wolfSSL_OCSP_cert_status_str(long s)
|
---|
526 | {
|
---|
527 | switch (s) {
|
---|
528 | case CERT_GOOD:
|
---|
529 | return "good";
|
---|
530 | case CERT_REVOKED:
|
---|
531 | return "revoked";
|
---|
532 | case CERT_UNKNOWN:
|
---|
533 | return "unknown";
|
---|
534 | default:
|
---|
535 | return "(UNKNOWN)";
|
---|
536 | }
|
---|
537 | }
|
---|
538 |
|
---|
539 | int wolfSSL_OCSP_check_validity(WOLFSSL_ASN1_TIME* thisupd,
|
---|
540 | WOLFSSL_ASN1_TIME* nextupd, long sec, long maxsec)
|
---|
541 | {
|
---|
542 | (void)thisupd;
|
---|
543 | (void)nextupd;
|
---|
544 | (void)sec;
|
---|
545 | (void)maxsec;
|
---|
546 | /* Dates validated in DecodeSingleResponse. */
|
---|
547 | return WOLFSSL_SUCCESS;
|
---|
548 | }
|
---|
549 |
|
---|
550 | void wolfSSL_OCSP_CERTID_free(WOLFSSL_OCSP_CERTID* certId)
|
---|
551 | {
|
---|
552 | FreeOcspRequest(certId);
|
---|
553 | XFREE(certId, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
554 | }
|
---|
555 |
|
---|
556 | WOLFSSL_OCSP_CERTID* wolfSSL_OCSP_cert_to_id(
|
---|
557 | const WOLFSSL_EVP_MD *dgst, const WOLFSSL_X509 *subject,
|
---|
558 | const WOLFSSL_X509 *issuer)
|
---|
559 | {
|
---|
560 | WOLFSSL_OCSP_CERTID* certId;
|
---|
561 | DecodedCert cert;
|
---|
562 | WOLFSSL_CERT_MANAGER* cm;
|
---|
563 | int ret;
|
---|
564 | DerBuffer* derCert = NULL;
|
---|
565 |
|
---|
566 | (void)dgst;
|
---|
567 |
|
---|
568 | cm = wolfSSL_CertManagerNew();
|
---|
569 | if (cm == NULL)
|
---|
570 | return NULL;
|
---|
571 |
|
---|
572 | ret = AllocDer(&derCert, issuer->derCert->length,
|
---|
573 | issuer->derCert->type, NULL);
|
---|
574 | if (ret == 0) {
|
---|
575 | /* AddCA() frees the buffer. */
|
---|
576 | XMEMCPY(derCert->buffer, issuer->derCert->buffer,
|
---|
577 | issuer->derCert->length);
|
---|
578 | AddCA(cm, &derCert, WOLFSSL_USER_CA, 1);
|
---|
579 | }
|
---|
580 |
|
---|
581 | certId = (WOLFSSL_OCSP_CERTID*)XMALLOC(sizeof(WOLFSSL_OCSP_CERTID), NULL,
|
---|
582 | DYNAMIC_TYPE_OPENSSL);
|
---|
583 | if (certId != NULL) {
|
---|
584 | InitDecodedCert(&cert, subject->derCert->buffer,
|
---|
585 | subject->derCert->length, NULL);
|
---|
586 | if (ParseCertRelative(&cert, CERT_TYPE, VERIFY_OCSP, cm) != 0) {
|
---|
587 | XFREE(certId, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
588 | certId = NULL;
|
---|
589 | }
|
---|
590 | else {
|
---|
591 | ret = InitOcspRequest(certId, &cert, 0, NULL);
|
---|
592 | if (ret != 0) {
|
---|
593 | XFREE(certId, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
594 | certId = NULL;
|
---|
595 | }
|
---|
596 | }
|
---|
597 | FreeDecodedCert(&cert);
|
---|
598 | }
|
---|
599 |
|
---|
600 | wolfSSL_CertManagerFree(cm);
|
---|
601 |
|
---|
602 | return certId;
|
---|
603 | }
|
---|
604 |
|
---|
605 | void wolfSSL_OCSP_BASICRESP_free(WOLFSSL_OCSP_BASICRESP* basicResponse)
|
---|
606 | {
|
---|
607 | wolfSSL_OCSP_RESPONSE_free(basicResponse);
|
---|
608 | }
|
---|
609 |
|
---|
610 | /* Signature verified in DecodeBasicOcspResponse.
|
---|
611 | * But no store available to verify certificate. */
|
---|
612 | int wolfSSL_OCSP_basic_verify(WOLFSSL_OCSP_BASICRESP *bs,
|
---|
613 | WOLF_STACK_OF(WOLFSSL_X509) *certs, WOLFSSL_X509_STORE *st, unsigned long flags)
|
---|
614 | {
|
---|
615 | DecodedCert cert;
|
---|
616 | int ret = WOLFSSL_SUCCESS;
|
---|
617 |
|
---|
618 | (void)certs;
|
---|
619 |
|
---|
620 | if (flags & OCSP_NOVERIFY)
|
---|
621 | return WOLFSSL_SUCCESS;
|
---|
622 |
|
---|
623 | #ifdef OPENSSL_EXTRA
|
---|
624 | if (bs->verifyError != OCSP_VERIFY_ERROR_NONE)
|
---|
625 | return WOLFSSL_FAILURE;
|
---|
626 | #endif
|
---|
627 |
|
---|
628 | InitDecodedCert(&cert, bs->cert, bs->certSz, NULL);
|
---|
629 | if (ParseCertRelative(&cert, CERT_TYPE, VERIFY, st->cm) < 0)
|
---|
630 | ret = WOLFSSL_FAILURE;
|
---|
631 | FreeDecodedCert(&cert);
|
---|
632 |
|
---|
633 | return ret;
|
---|
634 | }
|
---|
635 |
|
---|
636 | void wolfSSL_OCSP_RESPONSE_free(OcspResponse* response)
|
---|
637 | {
|
---|
638 | if (response->status != NULL)
|
---|
639 | XFREE(response->status, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
640 | if (response->source != NULL)
|
---|
641 | XFREE(response->source, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
642 | XFREE(response, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
643 | }
|
---|
644 |
|
---|
645 | OcspResponse* wolfSSL_d2i_OCSP_RESPONSE_bio(WOLFSSL_BIO* bio,
|
---|
646 | OcspResponse** response)
|
---|
647 | {
|
---|
648 | byte* data;
|
---|
649 | byte* p;
|
---|
650 | int len;
|
---|
651 | int dataAlloced = 0;
|
---|
652 | OcspResponse* ret = NULL;
|
---|
653 |
|
---|
654 | if (bio == NULL)
|
---|
655 | return NULL;
|
---|
656 |
|
---|
657 | if (bio->type == WOLFSSL_BIO_MEMORY) {
|
---|
658 | len = wolfSSL_BIO_get_mem_data(bio, &data);
|
---|
659 | if (len <= 0 || data == NULL) {
|
---|
660 | return NULL;
|
---|
661 | }
|
---|
662 | }
|
---|
663 | #ifndef NO_FILESYSTEM
|
---|
664 | else if (bio->type == WOLFSSL_BIO_FILE) {
|
---|
665 | long fcur;
|
---|
666 | long flen;
|
---|
667 |
|
---|
668 | if (bio->ptr == NULL)
|
---|
669 | return NULL;
|
---|
670 |
|
---|
671 | fcur = XFTELL((XFILE)bio->ptr);
|
---|
672 | if (fcur < 0)
|
---|
673 | return NULL;
|
---|
674 | if(XFSEEK((XFILE)bio->ptr, 0, SEEK_END) != 0)
|
---|
675 | return NULL;
|
---|
676 | flen = XFTELL((XFILE)bio->ptr);
|
---|
677 | if (flen < 0)
|
---|
678 | return NULL;
|
---|
679 | if (XFSEEK((XFILE)bio->ptr, fcur, SEEK_SET) != 0)
|
---|
680 | return NULL;
|
---|
681 |
|
---|
682 | /* check calculated length */
|
---|
683 | fcur = flen - fcur;
|
---|
684 | if (fcur > MAX_WOLFSSL_FILE_SIZE || fcur <= 0)
|
---|
685 | return NULL;
|
---|
686 |
|
---|
687 | data = (byte*)XMALLOC(fcur, 0, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
688 | if (data == NULL)
|
---|
689 | return NULL;
|
---|
690 | dataAlloced = 1;
|
---|
691 |
|
---|
692 | len = wolfSSL_BIO_read(bio, (char *)data, (int)flen);
|
---|
693 | }
|
---|
694 | #endif
|
---|
695 | else
|
---|
696 | return NULL;
|
---|
697 |
|
---|
698 | if (len > 0) {
|
---|
699 | p = data;
|
---|
700 | ret = wolfSSL_d2i_OCSP_RESPONSE(response, (const unsigned char **)&p,
|
---|
701 | len);
|
---|
702 | }
|
---|
703 |
|
---|
704 | if (dataAlloced)
|
---|
705 | XFREE(data, 0, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
706 |
|
---|
707 | return ret;
|
---|
708 | }
|
---|
709 |
|
---|
710 | OcspResponse* wolfSSL_d2i_OCSP_RESPONSE(OcspResponse** response,
|
---|
711 | const unsigned char** data, int len)
|
---|
712 | {
|
---|
713 | OcspResponse *resp = NULL;
|
---|
714 | word32 idx = 0;
|
---|
715 | int length = 0;
|
---|
716 |
|
---|
717 | if (data == NULL)
|
---|
718 | return NULL;
|
---|
719 |
|
---|
720 | if (response != NULL)
|
---|
721 | resp = *response;
|
---|
722 | if (resp == NULL) {
|
---|
723 | resp = (OcspResponse*)XMALLOC(sizeof(OcspResponse), NULL,
|
---|
724 | DYNAMIC_TYPE_OPENSSL);
|
---|
725 | if (resp == NULL)
|
---|
726 | return NULL;
|
---|
727 | XMEMSET(resp, 0, sizeof(OcspResponse));
|
---|
728 | }
|
---|
729 |
|
---|
730 | resp->source = (byte*)XMALLOC(len, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
731 | if (resp->source == NULL) {
|
---|
732 | XFREE(resp, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
733 | return NULL;
|
---|
734 | }
|
---|
735 | resp->status = (CertStatus*)XMALLOC(sizeof(CertStatus), NULL,
|
---|
736 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
737 | if (resp->status == NULL) {
|
---|
738 | XFREE(resp->source, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
739 | XFREE(resp, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
740 | return NULL;
|
---|
741 | }
|
---|
742 |
|
---|
743 | XMEMCPY(resp->source, *data, len);
|
---|
744 | resp->maxIdx = len;
|
---|
745 |
|
---|
746 | if (OcspResponseDecode(resp, NULL, NULL, 1) != 0) {
|
---|
747 | wolfSSL_OCSP_RESPONSE_free(resp);
|
---|
748 | return NULL;
|
---|
749 | }
|
---|
750 |
|
---|
751 | if (GetSequence(*data, &idx, &length, len) >= 0)
|
---|
752 | (*data) += idx + length;
|
---|
753 |
|
---|
754 | return resp;
|
---|
755 | }
|
---|
756 |
|
---|
757 | int wolfSSL_i2d_OCSP_RESPONSE(OcspResponse* response,
|
---|
758 | unsigned char** data)
|
---|
759 | {
|
---|
760 | if (data == NULL)
|
---|
761 | return response->maxIdx;
|
---|
762 |
|
---|
763 | XMEMCPY(*data, response->source, response->maxIdx);
|
---|
764 | return response->maxIdx;
|
---|
765 | }
|
---|
766 |
|
---|
767 | int wolfSSL_OCSP_response_status(OcspResponse *response)
|
---|
768 | {
|
---|
769 | return response->responseStatus;
|
---|
770 | }
|
---|
771 |
|
---|
772 | const char *wolfSSL_OCSP_response_status_str(long s)
|
---|
773 | {
|
---|
774 | switch (s) {
|
---|
775 | case OCSP_SUCCESSFUL:
|
---|
776 | return "successful";
|
---|
777 | case OCSP_MALFORMED_REQUEST:
|
---|
778 | return "malformedrequest";
|
---|
779 | case OCSP_INTERNAL_ERROR:
|
---|
780 | return "internalerror";
|
---|
781 | case OCSP_TRY_LATER:
|
---|
782 | return "trylater";
|
---|
783 | case OCSP_SIG_REQUIRED:
|
---|
784 | return "sigrequired";
|
---|
785 | case OCSP_UNAUTHROIZED:
|
---|
786 | return "unauthorized";
|
---|
787 | default:
|
---|
788 | return "(UNKNOWN)";
|
---|
789 | }
|
---|
790 | }
|
---|
791 |
|
---|
792 | WOLFSSL_OCSP_BASICRESP* wolfSSL_OCSP_response_get1_basic(OcspResponse* response)
|
---|
793 | {
|
---|
794 | WOLFSSL_OCSP_BASICRESP* bs;
|
---|
795 |
|
---|
796 | bs = (WOLFSSL_OCSP_BASICRESP*)XMALLOC(sizeof(WOLFSSL_OCSP_BASICRESP), NULL,
|
---|
797 | DYNAMIC_TYPE_OPENSSL);
|
---|
798 | if (bs == NULL)
|
---|
799 | return NULL;
|
---|
800 |
|
---|
801 | XMEMCPY(bs, response, sizeof(OcspResponse));
|
---|
802 | bs->status = (CertStatus*)XMALLOC(sizeof(CertStatus), NULL,
|
---|
803 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
804 | bs->source = (byte*)XMALLOC(bs->maxIdx, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
805 | if (bs->status == NULL || bs->source == NULL) {
|
---|
806 | if (bs->status) XFREE(bs->status, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
807 | if (bs->source) XFREE(bs->source, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
808 | wolfSSL_OCSP_RESPONSE_free(bs);
|
---|
809 | bs = NULL;
|
---|
810 | }
|
---|
811 | else {
|
---|
812 | XMEMCPY(bs->status, response->status, sizeof(CertStatus));
|
---|
813 | XMEMCPY(bs->source, response->source, response->maxIdx);
|
---|
814 | }
|
---|
815 | return bs;
|
---|
816 | }
|
---|
817 |
|
---|
818 | OcspRequest* wolfSSL_OCSP_REQUEST_new(void)
|
---|
819 | {
|
---|
820 | OcspRequest* request;
|
---|
821 |
|
---|
822 | request = (OcspRequest*)XMALLOC(sizeof(OcspRequest), NULL,
|
---|
823 | DYNAMIC_TYPE_OPENSSL);
|
---|
824 | if (request != NULL)
|
---|
825 | XMEMSET(request, 0, sizeof(OcspRequest));
|
---|
826 |
|
---|
827 | return request;
|
---|
828 | }
|
---|
829 |
|
---|
830 | void wolfSSL_OCSP_REQUEST_free(OcspRequest* request)
|
---|
831 | {
|
---|
832 | FreeOcspRequest(request);
|
---|
833 | XFREE(request, NULL, DYNAMIC_TYPE_OPENSSL);
|
---|
834 | }
|
---|
835 |
|
---|
836 | int wolfSSL_i2d_OCSP_REQUEST(OcspRequest* request, unsigned char** data)
|
---|
837 | {
|
---|
838 | int size;
|
---|
839 |
|
---|
840 | size = EncodeOcspRequest(request, NULL, 0);
|
---|
841 | if (size <= 0 || data == NULL)
|
---|
842 | return size;
|
---|
843 |
|
---|
844 | return EncodeOcspRequest(request, *data, size);
|
---|
845 | }
|
---|
846 |
|
---|
847 | WOLFSSL_OCSP_ONEREQ* wolfSSL_OCSP_request_add0_id(OcspRequest *req,
|
---|
848 | WOLFSSL_OCSP_CERTID *cid)
|
---|
849 | {
|
---|
850 | if (req == NULL || cid == NULL)
|
---|
851 | return NULL;
|
---|
852 |
|
---|
853 | FreeOcspRequest(req);
|
---|
854 | XMEMCPY(req, cid, sizeof(OcspRequest));
|
---|
855 |
|
---|
856 | if (cid->serial != NULL) {
|
---|
857 | req->serial = (byte*)XMALLOC(cid->serialSz, NULL,
|
---|
858 | DYNAMIC_TYPE_OCSP_REQUEST);
|
---|
859 | req->url = (byte*)XMALLOC(cid->urlSz, NULL, DYNAMIC_TYPE_OCSP_REQUEST);
|
---|
860 | if (req->serial == NULL || req->url == NULL) {
|
---|
861 | FreeOcspRequest(req);
|
---|
862 | return NULL;
|
---|
863 | }
|
---|
864 |
|
---|
865 | XMEMCPY(req->serial, cid->serial, cid->serialSz);
|
---|
866 | XMEMCPY(req->url, cid->url, cid->urlSz);
|
---|
867 | }
|
---|
868 |
|
---|
869 | wolfSSL_OCSP_REQUEST_free(cid);
|
---|
870 |
|
---|
871 | return req;
|
---|
872 | }
|
---|
873 |
|
---|
874 | WOLFSSL_OCSP_CERTID* wolfSSL_OCSP_CERTID_dup(WOLFSSL_OCSP_CERTID* id)
|
---|
875 | {
|
---|
876 | WOLFSSL_OCSP_CERTID* certId;
|
---|
877 |
|
---|
878 | if (id == NULL) {
|
---|
879 | return NULL;
|
---|
880 | }
|
---|
881 |
|
---|
882 | certId = (WOLFSSL_OCSP_CERTID*)XMALLOC(sizeof(WOLFSSL_OCSP_CERTID),
|
---|
883 | id->heap, DYNAMIC_TYPE_OPENSSL);
|
---|
884 | if (certId) {
|
---|
885 | XMEMCPY(certId, id, sizeof(WOLFSSL_OCSP_CERTID));
|
---|
886 | }
|
---|
887 | return certId;
|
---|
888 | }
|
---|
889 | #endif
|
---|
890 |
|
---|
891 | #if defined(OPENSSL_ALL) || defined(APACHE_HTTPD)
|
---|
892 | int wolfSSL_i2d_OCSP_REQUEST_bio(WOLFSSL_BIO* out,
|
---|
893 | WOLFSSL_OCSP_REQUEST *req)
|
---|
894 | {
|
---|
895 | int size = -1;
|
---|
896 | unsigned char* data = NULL;
|
---|
897 |
|
---|
898 | WOLFSSL_ENTER("wolfSSL_i2d_OCSP_REQUEST_bio");
|
---|
899 | if (out == NULL || req == NULL)
|
---|
900 | return WOLFSSL_FAILURE;
|
---|
901 |
|
---|
902 | size = wolfSSL_i2d_OCSP_REQUEST(req, NULL);
|
---|
903 | if (size > 0) {
|
---|
904 | data = (unsigned char*) XMALLOC(size, out->heap,
|
---|
905 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
906 | }
|
---|
907 |
|
---|
908 | if (data != NULL) {
|
---|
909 | size = wolfSSL_i2d_OCSP_REQUEST(req, &data);
|
---|
910 | }
|
---|
911 |
|
---|
912 | if (size <= 0) {
|
---|
913 | XFREE(data, out->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
914 | return WOLFSSL_FAILURE;
|
---|
915 | }
|
---|
916 |
|
---|
917 | if (wolfSSL_BIO_write(out, data, size) == (int)size) {
|
---|
918 | XFREE(data, out->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
919 | return WOLFSSL_SUCCESS;
|
---|
920 | }
|
---|
921 |
|
---|
922 | XFREE(data, out->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
923 | return WOLFSSL_FAILURE;
|
---|
924 | }
|
---|
925 | #endif /* OPENSSL_ALL || APACHE_HTTPD */
|
---|
926 |
|
---|
927 | #ifdef OPENSSL_EXTRA
|
---|
928 | #ifndef NO_WOLFSSL_STUB
|
---|
929 | int wolfSSL_OCSP_REQUEST_add_ext(OcspRequest* req, WOLFSSL_X509_EXTENSION* ext,
|
---|
930 | int idx)
|
---|
931 | {
|
---|
932 | WOLFSSL_STUB("wolfSSL_OCSP_REQUEST_add_ext");
|
---|
933 | (void)req;
|
---|
934 | (void)ext;
|
---|
935 | (void)idx;
|
---|
936 | return WOLFSSL_FATAL_ERROR;
|
---|
937 | }
|
---|
938 | #endif
|
---|
939 |
|
---|
940 | #ifndef NO_WOLFSSL_STUB
|
---|
941 | OcspResponse* wolfSSL_OCSP_response_create(int status,
|
---|
942 | WOLFSSL_OCSP_BASICRESP* bs)
|
---|
943 | {
|
---|
944 | WOLFSSL_STUB("wolfSSL_OCSP_response_create");
|
---|
945 | (void)status;
|
---|
946 | (void)bs;
|
---|
947 | return NULL;
|
---|
948 | }
|
---|
949 | #endif
|
---|
950 |
|
---|
951 | #ifndef NO_WOLFSSL_STUB
|
---|
952 | const char* wolfSSL_OCSP_crl_reason_str(long s)
|
---|
953 | {
|
---|
954 | WOLFSSL_STUB("wolfSSL_OCSP_crl_reason_str");
|
---|
955 | (void)s;
|
---|
956 | return NULL;
|
---|
957 | }
|
---|
958 | #endif
|
---|
959 |
|
---|
960 | /* Returns elements of an OCSP_CERTID struct. Currently only supports
|
---|
961 | * returning the serial number, and returns an error if user requests
|
---|
962 | * any of name, pmd, and/or keyHash.
|
---|
963 | * Return 1 on success, 0 on failure */
|
---|
964 | int wolfSSL_OCSP_id_get0_info(WOLFSSL_ASN1_STRING **name,
|
---|
965 | WOLFSSL_ASN1_OBJECT **pmd, WOLFSSL_ASN1_STRING **keyHash,
|
---|
966 | WOLFSSL_ASN1_INTEGER **serial, WOLFSSL_OCSP_CERTID *cid)
|
---|
967 | {
|
---|
968 | int i = 0;
|
---|
969 | WOLFSSL_ASN1_INTEGER* ser;
|
---|
970 |
|
---|
971 | WOLFSSL_ENTER("wolfSSL_OCSP_id_get0_info");
|
---|
972 |
|
---|
973 | if (cid == NULL)
|
---|
974 | return 0;
|
---|
975 |
|
---|
976 | /* build up ASN1_INTEGER for serial */
|
---|
977 | if (serial != NULL) {
|
---|
978 | ser = wolfSSL_ASN1_INTEGER_new();
|
---|
979 | if (ser == NULL)
|
---|
980 | return 0;
|
---|
981 |
|
---|
982 | if (cid->serialSz > (WOLFSSL_ASN1_INTEGER_MAX - 2)) {
|
---|
983 | /* allocate data buffer, +2 for type and length */
|
---|
984 | ser->data = (unsigned char*)XMALLOC(cid->serialSz + 2, NULL,
|
---|
985 | DYNAMIC_TYPE_OPENSSL);
|
---|
986 | if (ser->data == NULL) {
|
---|
987 | wolfSSL_ASN1_INTEGER_free(ser);
|
---|
988 | return 0;
|
---|
989 | }
|
---|
990 | ser->dataMax = cid->serialSz + 2;
|
---|
991 | ser->isDynamic = 1;
|
---|
992 | } else {
|
---|
993 | /* Use array instead of dynamic memory */
|
---|
994 | ser->data = ser->intData;
|
---|
995 | ser->dataMax = WOLFSSL_ASN1_INTEGER_MAX;
|
---|
996 | }
|
---|
997 |
|
---|
998 | #ifdef WOLFSSL_QT
|
---|
999 | /* Serial number starts at 0 index of ser->data */
|
---|
1000 | XMEMCPY(&ser->data[i], cid->serial, cid->serialSz);
|
---|
1001 | ser->length = cid->serialSz;
|
---|
1002 | #else
|
---|
1003 | ser->data[i++] = ASN_INTEGER;
|
---|
1004 | i += SetLength(cid->serialSz, ser->data + i);
|
---|
1005 | XMEMCPY(&ser->data[i], cid->serial, cid->serialSz);
|
---|
1006 | #endif
|
---|
1007 |
|
---|
1008 | cid->serialInt = ser;
|
---|
1009 | *serial = cid->serialInt;
|
---|
1010 | }
|
---|
1011 |
|
---|
1012 | /* Not needed for Apache, return error if user is requesting */
|
---|
1013 | if (name != NULL || pmd != NULL || keyHash != NULL) {
|
---|
1014 | if (name != NULL)
|
---|
1015 | *name = NULL;
|
---|
1016 |
|
---|
1017 | if (pmd != NULL)
|
---|
1018 | *pmd = NULL;
|
---|
1019 |
|
---|
1020 | if (keyHash != NULL)
|
---|
1021 | *keyHash = NULL;
|
---|
1022 | return 0;
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | return 1;
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | #ifndef NO_WOLFSSL_STUB
|
---|
1029 | int wolfSSL_OCSP_request_add1_nonce(OcspRequest* req, unsigned char* val,
|
---|
1030 | int sz)
|
---|
1031 | {
|
---|
1032 | WOLFSSL_STUB("wolfSSL_OCSP_request_add1_nonce");
|
---|
1033 | (void)req;
|
---|
1034 | (void)val;
|
---|
1035 | (void)sz;
|
---|
1036 | return WOLFSSL_FATAL_ERROR;
|
---|
1037 | }
|
---|
1038 | #endif
|
---|
1039 |
|
---|
1040 | /* Returns result of OCSP nonce comparison. Return values:
|
---|
1041 | * 1 - nonces are both present and equal
|
---|
1042 | * 2 - both nonces are absent
|
---|
1043 | * 3 - nonce only present in response
|
---|
1044 | * -1 - nonce only present in request
|
---|
1045 | * 0 - both nonces present and equal
|
---|
1046 | */
|
---|
1047 | int wolfSSL_OCSP_check_nonce(OcspRequest* req, WOLFSSL_OCSP_BASICRESP* bs)
|
---|
1048 | {
|
---|
1049 | byte* reqNonce = NULL;
|
---|
1050 | byte* rspNonce = NULL;
|
---|
1051 | int reqNonceSz = 0;
|
---|
1052 | int rspNonceSz = 0;
|
---|
1053 |
|
---|
1054 | WOLFSSL_ENTER("wolfSSL_OCSP_check_nonce");
|
---|
1055 |
|
---|
1056 | if (req != NULL) {
|
---|
1057 | reqNonce = req->nonce;
|
---|
1058 | reqNonceSz = req->nonceSz;
|
---|
1059 | }
|
---|
1060 |
|
---|
1061 | if (bs != NULL) {
|
---|
1062 | rspNonce = bs->nonce;
|
---|
1063 | rspNonceSz = bs->nonceSz;
|
---|
1064 | }
|
---|
1065 |
|
---|
1066 | /* nonce absent in both req and rsp */
|
---|
1067 | if (reqNonce == NULL && rspNonce == NULL)
|
---|
1068 | return 2;
|
---|
1069 |
|
---|
1070 | /* nonce present in rsp only */
|
---|
1071 | if (reqNonce == NULL && rspNonce != NULL)
|
---|
1072 | return 3;
|
---|
1073 |
|
---|
1074 | /* nonce present in req only */
|
---|
1075 | if (reqNonce != NULL && rspNonce == NULL)
|
---|
1076 | return -1;
|
---|
1077 |
|
---|
1078 | /* nonces are present and equal, return 1. Extra NULL check for fixing
|
---|
1079 | scan-build warning. */
|
---|
1080 | if (reqNonceSz == rspNonceSz && reqNonce && rspNonce) {
|
---|
1081 | if (XMEMCMP(reqNonce, rspNonce, reqNonceSz) == 0)
|
---|
1082 | return 1;
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | /* nonces are present but not equal */
|
---|
1086 | return 0;
|
---|
1087 | }
|
---|
1088 | #endif /* OPENSSL_EXTRA */
|
---|
1089 |
|
---|
1090 | #else /* HAVE_OCSP */
|
---|
1091 |
|
---|
1092 |
|
---|
1093 | #ifdef _MSC_VER
|
---|
1094 | /* 4206 warning for blank file */
|
---|
1095 | #pragma warning(disable: 4206)
|
---|
1096 | #endif
|
---|
1097 |
|
---|
1098 |
|
---|
1099 | #endif /* HAVE_OCSP */
|
---|
1100 | #endif /* WOLFCRYPT_ONLY */
|
---|