Sync trunk.
[reactos.git] / dll / win32 / crypt32 / cert.c
1 /*
2 * Copyright 2004-2006 Juan Lang
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 *
18 */
19
20 #include <assert.h>
21 #include <stdarg.h>
22
23 #define NONAMELESSUNION
24 #include "windef.h"
25 #include "winbase.h"
26 #include "wincrypt.h"
27 #include "winnls.h"
28 #include "rpc.h"
29 #include "wine/debug.h"
30 #include "wine/unicode.h"
31 #include "crypt32_private.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
34
35 /* Internal version of CertGetCertificateContextProperty that gets properties
36 * directly from the context (or the context it's linked to, depending on its
37 * type.) Doesn't handle special-case properties, since they are handled by
38 * CertGetCertificateContextProperty, and are particular to the store in which
39 * the property exists (which is separate from the context.)
40 */
41 static BOOL CertContext_GetProperty(void *context, DWORD dwPropId,
42 void *pvData, DWORD *pcbData);
43
44 /* Internal version of CertSetCertificateContextProperty that sets properties
45 * directly on the context (or the context it's linked to, depending on its
46 * type.) Doesn't handle special cases, since they're handled by
47 * CertSetCertificateContextProperty anyway.
48 */
49 static BOOL CertContext_SetProperty(void *context, DWORD dwPropId,
50 DWORD dwFlags, const void *pvData);
51
52 BOOL WINAPI CertAddEncodedCertificateToStore(HCERTSTORE hCertStore,
53 DWORD dwCertEncodingType, const BYTE *pbCertEncoded, DWORD cbCertEncoded,
54 DWORD dwAddDisposition, PCCERT_CONTEXT *ppCertContext)
55 {
56 PCCERT_CONTEXT cert = CertCreateCertificateContext(dwCertEncodingType,
57 pbCertEncoded, cbCertEncoded);
58 BOOL ret;
59
60 TRACE("(%p, %08x, %p, %d, %08x, %p)\n", hCertStore, dwCertEncodingType,
61 pbCertEncoded, cbCertEncoded, dwAddDisposition, ppCertContext);
62
63 if (cert)
64 {
65 ret = CertAddCertificateContextToStore(hCertStore, cert,
66 dwAddDisposition, ppCertContext);
67 CertFreeCertificateContext(cert);
68 }
69 else
70 ret = FALSE;
71 return ret;
72 }
73
74 BOOL WINAPI CertAddEncodedCertificateToSystemStoreA(LPCSTR pszCertStoreName,
75 const BYTE *pbCertEncoded, DWORD cbCertEncoded)
76 {
77 HCERTSTORE store;
78 BOOL ret = FALSE;
79
80 TRACE("(%s, %p, %d)\n", debugstr_a(pszCertStoreName), pbCertEncoded,
81 cbCertEncoded);
82
83 store = CertOpenSystemStoreA(0, pszCertStoreName);
84 if (store)
85 {
86 ret = CertAddEncodedCertificateToStore(store, X509_ASN_ENCODING,
87 pbCertEncoded, cbCertEncoded, CERT_STORE_ADD_USE_EXISTING, NULL);
88 CertCloseStore(store, 0);
89 }
90 return ret;
91 }
92
93 BOOL WINAPI CertAddEncodedCertificateToSystemStoreW(LPCWSTR pszCertStoreName,
94 const BYTE *pbCertEncoded, DWORD cbCertEncoded)
95 {
96 HCERTSTORE store;
97 BOOL ret = FALSE;
98
99 TRACE("(%s, %p, %d)\n", debugstr_w(pszCertStoreName), pbCertEncoded,
100 cbCertEncoded);
101
102 store = CertOpenSystemStoreW(0, pszCertStoreName);
103 if (store)
104 {
105 ret = CertAddEncodedCertificateToStore(store, X509_ASN_ENCODING,
106 pbCertEncoded, cbCertEncoded, CERT_STORE_ADD_USE_EXISTING, NULL);
107 CertCloseStore(store, 0);
108 }
109 return ret;
110 }
111
112 BOOL WINAPI CertAddCertificateLinkToStore(HCERTSTORE hCertStore,
113 PCCERT_CONTEXT pCertContext, DWORD dwAddDisposition,
114 PCCERT_CONTEXT *ppCertContext)
115 {
116 static int calls;
117 PWINECRYPT_CERTSTORE store = (PWINECRYPT_CERTSTORE)hCertStore;
118
119 if (!(calls++))
120 FIXME("(%p, %p, %08x, %p): semi-stub\n", hCertStore, pCertContext,
121 dwAddDisposition, ppCertContext);
122 if (store->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
123 return FALSE;
124 if (store->type == StoreTypeCollection)
125 {
126 SetLastError(E_INVALIDARG);
127 return FALSE;
128 }
129 return CertAddCertificateContextToStore(hCertStore, pCertContext,
130 dwAddDisposition, ppCertContext);
131 }
132
133 PCCERT_CONTEXT WINAPI CertCreateCertificateContext(DWORD dwCertEncodingType,
134 const BYTE *pbCertEncoded, DWORD cbCertEncoded)
135 {
136 PCERT_CONTEXT cert = NULL;
137 BOOL ret;
138 PCERT_INFO certInfo = NULL;
139 DWORD size = 0;
140
141 TRACE("(%08x, %p, %d)\n", dwCertEncodingType, pbCertEncoded,
142 cbCertEncoded);
143
144 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
145 pbCertEncoded, cbCertEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL,
146 &certInfo, &size);
147 if (ret)
148 {
149 BYTE *data = NULL;
150
151 cert = Context_CreateDataContext(sizeof(CERT_CONTEXT));
152 if (!cert)
153 goto end;
154 data = CryptMemAlloc(cbCertEncoded);
155 if (!data)
156 {
157 CryptMemFree(cert);
158 cert = NULL;
159 goto end;
160 }
161 memcpy(data, pbCertEncoded, cbCertEncoded);
162 cert->dwCertEncodingType = dwCertEncodingType;
163 cert->pbCertEncoded = data;
164 cert->cbCertEncoded = cbCertEncoded;
165 cert->pCertInfo = certInfo;
166 cert->hCertStore = 0;
167 }
168
169 end:
170 return cert;
171 }
172
173 PCCERT_CONTEXT WINAPI CertDuplicateCertificateContext(
174 PCCERT_CONTEXT pCertContext)
175 {
176 TRACE("(%p)\n", pCertContext);
177
178 if (!pCertContext)
179 return NULL;
180
181 Context_AddRef((void *)pCertContext, sizeof(CERT_CONTEXT));
182 return pCertContext;
183 }
184
185 static void CertDataContext_Free(void *context)
186 {
187 PCERT_CONTEXT certContext = context;
188
189 CryptMemFree(certContext->pbCertEncoded);
190 LocalFree(certContext->pCertInfo);
191 }
192
193 BOOL WINAPI CertFreeCertificateContext(PCCERT_CONTEXT pCertContext)
194 {
195 BOOL ret = TRUE;
196
197 TRACE("(%p)\n", pCertContext);
198
199 if (pCertContext)
200 ret = Context_Release((void *)pCertContext, sizeof(CERT_CONTEXT),
201 CertDataContext_Free);
202 return ret;
203 }
204
205 DWORD WINAPI CertEnumCertificateContextProperties(PCCERT_CONTEXT pCertContext,
206 DWORD dwPropId)
207 {
208 PCONTEXT_PROPERTY_LIST properties = Context_GetProperties(
209 pCertContext, sizeof(CERT_CONTEXT));
210 DWORD ret;
211
212 TRACE("(%p, %d)\n", pCertContext, dwPropId);
213
214 if (properties)
215 ret = ContextPropertyList_EnumPropIDs(properties, dwPropId);
216 else
217 ret = 0;
218 return ret;
219 }
220
221 static BOOL CertContext_GetHashProp(void *context, DWORD dwPropId,
222 ALG_ID algID, const BYTE *toHash, DWORD toHashLen, void *pvData,
223 DWORD *pcbData)
224 {
225 BOOL ret = CryptHashCertificate(0, algID, 0, toHash, toHashLen, pvData,
226 pcbData);
227 if (ret && pvData)
228 {
229 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
230
231 ret = CertContext_SetProperty(context, dwPropId, 0, &blob);
232 }
233 return ret;
234 }
235
236 static BOOL CertContext_CopyParam(void *pvData, DWORD *pcbData, const void *pb,
237 DWORD cb)
238 {
239 BOOL ret = TRUE;
240
241 if (!pvData)
242 *pcbData = cb;
243 else if (*pcbData < cb)
244 {
245 SetLastError(ERROR_MORE_DATA);
246 *pcbData = cb;
247 ret = FALSE;
248 }
249 else
250 {
251 memcpy(pvData, pb, cb);
252 *pcbData = cb;
253 }
254 return ret;
255 }
256
257 static BOOL CertContext_GetProperty(void *context, DWORD dwPropId,
258 void *pvData, DWORD *pcbData)
259 {
260 PCCERT_CONTEXT pCertContext = context;
261 PCONTEXT_PROPERTY_LIST properties =
262 Context_GetProperties(context, sizeof(CERT_CONTEXT));
263 BOOL ret;
264 CRYPT_DATA_BLOB blob;
265
266 TRACE("(%p, %d, %p, %p)\n", context, dwPropId, pvData, pcbData);
267
268 if (properties)
269 ret = ContextPropertyList_FindProperty(properties, dwPropId, &blob);
270 else
271 ret = FALSE;
272 if (ret)
273 ret = CertContext_CopyParam(pvData, pcbData, blob.pbData, blob.cbData);
274 else
275 {
276 /* Implicit properties */
277 switch (dwPropId)
278 {
279 case CERT_SHA1_HASH_PROP_ID:
280 ret = CertContext_GetHashProp(context, dwPropId, CALG_SHA1,
281 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
282 pcbData);
283 break;
284 case CERT_MD5_HASH_PROP_ID:
285 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
286 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
287 pcbData);
288 break;
289 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
290 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
291 pCertContext->pCertInfo->Subject.pbData,
292 pCertContext->pCertInfo->Subject.cbData,
293 pvData, pcbData);
294 break;
295 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
296 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
297 pCertContext->pCertInfo->SubjectPublicKeyInfo.PublicKey.pbData,
298 pCertContext->pCertInfo->SubjectPublicKeyInfo.PublicKey.cbData,
299 pvData, pcbData);
300 break;
301 case CERT_ISSUER_SERIAL_NUMBER_MD5_HASH_PROP_ID:
302 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
303 pCertContext->pCertInfo->SerialNumber.pbData,
304 pCertContext->pCertInfo->SerialNumber.cbData,
305 pvData, pcbData);
306 break;
307 case CERT_SIGNATURE_HASH_PROP_ID:
308 ret = CryptHashToBeSigned(0, pCertContext->dwCertEncodingType,
309 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
310 pcbData);
311 if (ret && pvData)
312 {
313 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
314
315 ret = CertContext_SetProperty(context, dwPropId, 0, &blob);
316 }
317 break;
318 case CERT_KEY_IDENTIFIER_PROP_ID:
319 {
320 PCERT_EXTENSION ext = CertFindExtension(
321 szOID_SUBJECT_KEY_IDENTIFIER, pCertContext->pCertInfo->cExtension,
322 pCertContext->pCertInfo->rgExtension);
323
324 if (ext)
325 {
326 CRYPT_DATA_BLOB value;
327 DWORD size = sizeof(value);
328
329 ret = CryptDecodeObjectEx(X509_ASN_ENCODING,
330 szOID_SUBJECT_KEY_IDENTIFIER, ext->Value.pbData,
331 ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL, &value,
332 &size);
333 if (ret)
334 {
335 ret = CertContext_CopyParam(pvData, pcbData, value.pbData,
336 value.cbData);
337 CertContext_SetProperty(context, dwPropId, 0, &value);
338 }
339 }
340 else
341 SetLastError(ERROR_INVALID_DATA);
342 break;
343 }
344 default:
345 SetLastError(CRYPT_E_NOT_FOUND);
346 }
347 }
348 TRACE("returning %d\n", ret);
349 return ret;
350 }
351
352 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
353 {
354 DWORD i, containerLen, provNameLen;
355 LPBYTE data = (LPBYTE)info + sizeof(CRYPT_KEY_PROV_INFO);
356
357 info->pwszContainerName = (LPWSTR)data;
358 containerLen = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
359 data += containerLen;
360
361 info->pwszProvName = (LPWSTR)data;
362 provNameLen = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
363 data += provNameLen;
364
365 info->rgProvParam = (PCRYPT_KEY_PROV_PARAM)data;
366 data += info->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
367
368 for (i = 0; i < info->cProvParam; i++)
369 {
370 info->rgProvParam[i].pbData = data;
371 data += info->rgProvParam[i].cbData;
372 }
373 }
374
375 BOOL WINAPI CertGetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
376 DWORD dwPropId, void *pvData, DWORD *pcbData)
377 {
378 BOOL ret;
379
380 TRACE("(%p, %d, %p, %p)\n", pCertContext, dwPropId, pvData, pcbData);
381
382 switch (dwPropId)
383 {
384 case 0:
385 case CERT_CERT_PROP_ID:
386 case CERT_CRL_PROP_ID:
387 case CERT_CTL_PROP_ID:
388 SetLastError(E_INVALIDARG);
389 ret = FALSE;
390 break;
391 case CERT_ACCESS_STATE_PROP_ID:
392 if (pCertContext->hCertStore)
393 ret = CertGetStoreProperty(pCertContext->hCertStore, dwPropId,
394 pvData, pcbData);
395 else
396 {
397 DWORD state = 0;
398
399 ret = CertContext_CopyParam(pvData, pcbData, &state, sizeof(state));
400 }
401 break;
402 case CERT_KEY_PROV_HANDLE_PROP_ID:
403 {
404 CERT_KEY_CONTEXT keyContext;
405 DWORD size = sizeof(keyContext);
406
407 ret = CertContext_GetProperty((void *)pCertContext,
408 CERT_KEY_CONTEXT_PROP_ID, &keyContext, &size);
409 if (ret)
410 ret = CertContext_CopyParam(pvData, pcbData, &keyContext.hCryptProv,
411 sizeof(keyContext.hCryptProv));
412 break;
413 }
414 case CERT_KEY_PROV_INFO_PROP_ID:
415 ret = CertContext_GetProperty((void *)pCertContext, dwPropId, pvData,
416 pcbData);
417 if (ret && pvData)
418 CRYPT_FixKeyProvInfoPointers(pvData);
419 break;
420 default:
421 ret = CertContext_GetProperty((void *)pCertContext, dwPropId, pvData,
422 pcbData);
423 }
424
425 TRACE("returning %d\n", ret);
426 return ret;
427 }
428
429 /* Copies key provider info from from into to, where to is assumed to be a
430 * contiguous buffer of memory large enough for from and all its associated
431 * data, but whose pointers are uninitialized.
432 * Upon return, to contains a contiguous copy of from, packed in the following
433 * order:
434 * - CRYPT_KEY_PROV_INFO
435 * - pwszContainerName
436 * - pwszProvName
437 * - rgProvParam[0]...
438 */
439 static void CRYPT_CopyKeyProvInfo(PCRYPT_KEY_PROV_INFO to,
440 const CRYPT_KEY_PROV_INFO *from)
441 {
442 DWORD i;
443 LPBYTE nextData = (LPBYTE)to + sizeof(CRYPT_KEY_PROV_INFO);
444
445 if (from->pwszContainerName)
446 {
447 to->pwszContainerName = (LPWSTR)nextData;
448 lstrcpyW(to->pwszContainerName, from->pwszContainerName);
449 nextData += (lstrlenW(from->pwszContainerName) + 1) * sizeof(WCHAR);
450 }
451 else
452 to->pwszContainerName = NULL;
453 if (from->pwszProvName)
454 {
455 to->pwszProvName = (LPWSTR)nextData;
456 lstrcpyW(to->pwszProvName, from->pwszProvName);
457 nextData += (lstrlenW(from->pwszProvName) + 1) * sizeof(WCHAR);
458 }
459 else
460 to->pwszProvName = NULL;
461 to->dwProvType = from->dwProvType;
462 to->dwFlags = from->dwFlags;
463 to->cProvParam = from->cProvParam;
464 to->rgProvParam = (PCRYPT_KEY_PROV_PARAM)nextData;
465 nextData += to->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
466 to->dwKeySpec = from->dwKeySpec;
467 for (i = 0; i < to->cProvParam; i++)
468 {
469 memcpy(&to->rgProvParam[i], &from->rgProvParam[i],
470 sizeof(CRYPT_KEY_PROV_PARAM));
471 to->rgProvParam[i].pbData = nextData;
472 memcpy(to->rgProvParam[i].pbData, from->rgProvParam[i].pbData,
473 from->rgProvParam[i].cbData);
474 nextData += from->rgProvParam[i].cbData;
475 }
476 }
477
478 static BOOL CertContext_SetKeyProvInfoProperty(PCONTEXT_PROPERTY_LIST properties,
479 const CRYPT_KEY_PROV_INFO *info)
480 {
481 BOOL ret;
482 LPBYTE buf = NULL;
483 DWORD size = sizeof(CRYPT_KEY_PROV_INFO), i, containerSize, provNameSize;
484
485 if (info->pwszContainerName)
486 containerSize = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
487 else
488 containerSize = 0;
489 if (info->pwszProvName)
490 provNameSize = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
491 else
492 provNameSize = 0;
493 size += containerSize + provNameSize;
494 for (i = 0; i < info->cProvParam; i++)
495 size += sizeof(CRYPT_KEY_PROV_PARAM) + info->rgProvParam[i].cbData;
496 buf = CryptMemAlloc(size);
497 if (buf)
498 {
499 CRYPT_CopyKeyProvInfo((PCRYPT_KEY_PROV_INFO)buf, info);
500 ret = ContextPropertyList_SetProperty(properties,
501 CERT_KEY_PROV_INFO_PROP_ID, buf, size);
502 CryptMemFree(buf);
503 }
504 else
505 ret = FALSE;
506 return ret;
507 }
508
509 static BOOL CertContext_SetProperty(void *context, DWORD dwPropId,
510 DWORD dwFlags, const void *pvData)
511 {
512 PCONTEXT_PROPERTY_LIST properties =
513 Context_GetProperties(context, sizeof(CERT_CONTEXT));
514 BOOL ret;
515
516 TRACE("(%p, %d, %08x, %p)\n", context, dwPropId, dwFlags, pvData);
517
518 if (!properties)
519 ret = FALSE;
520 else
521 {
522 switch (dwPropId)
523 {
524 case CERT_AUTO_ENROLL_PROP_ID:
525 case CERT_CTL_USAGE_PROP_ID: /* same as CERT_ENHKEY_USAGE_PROP_ID */
526 case CERT_DESCRIPTION_PROP_ID:
527 case CERT_FRIENDLY_NAME_PROP_ID:
528 case CERT_HASH_PROP_ID:
529 case CERT_KEY_IDENTIFIER_PROP_ID:
530 case CERT_MD5_HASH_PROP_ID:
531 case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
532 case CERT_PUBKEY_ALG_PARA_PROP_ID:
533 case CERT_PVK_FILE_PROP_ID:
534 case CERT_SIGNATURE_HASH_PROP_ID:
535 case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
536 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
537 case CERT_EXTENDED_ERROR_INFO_PROP_ID:
538 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
539 case CERT_ENROLLMENT_PROP_ID:
540 case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
541 case CERT_RENEWAL_PROP_ID:
542 {
543 if (pvData)
544 {
545 const CRYPT_DATA_BLOB *blob = pvData;
546
547 ret = ContextPropertyList_SetProperty(properties, dwPropId,
548 blob->pbData, blob->cbData);
549 }
550 else
551 {
552 ContextPropertyList_RemoveProperty(properties, dwPropId);
553 ret = TRUE;
554 }
555 break;
556 }
557 case CERT_DATE_STAMP_PROP_ID:
558 if (pvData)
559 ret = ContextPropertyList_SetProperty(properties, dwPropId,
560 pvData, sizeof(FILETIME));
561 else
562 {
563 ContextPropertyList_RemoveProperty(properties, dwPropId);
564 ret = TRUE;
565 }
566 break;
567 case CERT_KEY_CONTEXT_PROP_ID:
568 {
569 if (pvData)
570 {
571 const CERT_KEY_CONTEXT *keyContext = pvData;
572
573 if (keyContext->cbSize != sizeof(CERT_KEY_CONTEXT))
574 {
575 SetLastError(E_INVALIDARG);
576 ret = FALSE;
577 }
578 else
579 ret = ContextPropertyList_SetProperty(properties, dwPropId,
580 (const BYTE *)keyContext, keyContext->cbSize);
581 }
582 else
583 {
584 ContextPropertyList_RemoveProperty(properties, dwPropId);
585 ret = TRUE;
586 }
587 break;
588 }
589 case CERT_KEY_PROV_INFO_PROP_ID:
590 if (pvData)
591 ret = CertContext_SetKeyProvInfoProperty(properties, pvData);
592 else
593 {
594 ContextPropertyList_RemoveProperty(properties, dwPropId);
595 ret = TRUE;
596 }
597 break;
598 case CERT_KEY_PROV_HANDLE_PROP_ID:
599 {
600 CERT_KEY_CONTEXT keyContext;
601 DWORD size = sizeof(keyContext);
602
603 ret = CertContext_GetProperty(context, CERT_KEY_CONTEXT_PROP_ID,
604 &keyContext, &size);
605 if (ret)
606 {
607 if (!(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
608 CryptReleaseContext(keyContext.hCryptProv, 0);
609 }
610 keyContext.cbSize = sizeof(keyContext);
611 if (pvData)
612 keyContext.hCryptProv = *(const HCRYPTPROV *)pvData;
613 else
614 {
615 keyContext.hCryptProv = 0;
616 keyContext.dwKeySpec = AT_SIGNATURE;
617 }
618 ret = CertContext_SetProperty(context, CERT_KEY_CONTEXT_PROP_ID,
619 0, &keyContext);
620 break;
621 }
622 default:
623 FIXME("%d: stub\n", dwPropId);
624 ret = FALSE;
625 }
626 }
627 TRACE("returning %d\n", ret);
628 return ret;
629 }
630
631 BOOL WINAPI CertSetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
632 DWORD dwPropId, DWORD dwFlags, const void *pvData)
633 {
634 BOOL ret;
635
636 TRACE("(%p, %d, %08x, %p)\n", pCertContext, dwPropId, dwFlags, pvData);
637
638 /* Handle special cases for "read-only"/invalid prop IDs. Windows just
639 * crashes on most of these, I'll be safer.
640 */
641 switch (dwPropId)
642 {
643 case 0:
644 case CERT_ACCESS_STATE_PROP_ID:
645 case CERT_CERT_PROP_ID:
646 case CERT_CRL_PROP_ID:
647 case CERT_CTL_PROP_ID:
648 SetLastError(E_INVALIDARG);
649 return FALSE;
650 }
651 ret = CertContext_SetProperty((void *)pCertContext, dwPropId, dwFlags,
652 pvData);
653 TRACE("returning %d\n", ret);
654 return ret;
655 }
656
657 /* Acquires the private key using the key provider info, retrieving info from
658 * the certificate if info is NULL. The acquired provider is returned in
659 * *phCryptProv, and the key spec for the provider is returned in *pdwKeySpec.
660 */
661 static BOOL CRYPT_AcquirePrivateKeyFromProvInfo(PCCERT_CONTEXT pCert,
662 PCRYPT_KEY_PROV_INFO info, HCRYPTPROV *phCryptProv, DWORD *pdwKeySpec)
663 {
664 DWORD size = 0;
665 BOOL allocated = FALSE, ret = TRUE;
666
667 if (!info)
668 {
669 ret = CertGetCertificateContextProperty(pCert,
670 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
671 if (ret)
672 {
673 info = HeapAlloc(GetProcessHeap(), 0, size);
674 if (info)
675 {
676 ret = CertGetCertificateContextProperty(pCert,
677 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
678 allocated = TRUE;
679 }
680 else
681 {
682 SetLastError(ERROR_OUTOFMEMORY);
683 ret = FALSE;
684 }
685 }
686 else
687 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
688 }
689 if (ret)
690 {
691 ret = CryptAcquireContextW(phCryptProv, info->pwszContainerName,
692 info->pwszProvName, info->dwProvType, 0);
693 if (ret)
694 {
695 DWORD i;
696
697 for (i = 0; i < info->cProvParam; i++)
698 {
699 CryptSetProvParam(*phCryptProv,
700 info->rgProvParam[i].dwParam, info->rgProvParam[i].pbData,
701 info->rgProvParam[i].dwFlags);
702 }
703 *pdwKeySpec = info->dwKeySpec;
704 }
705 else
706 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
707 }
708 if (allocated)
709 HeapFree(GetProcessHeap(), 0, info);
710 return ret;
711 }
712
713 BOOL WINAPI CryptAcquireCertificatePrivateKey(PCCERT_CONTEXT pCert,
714 DWORD dwFlags, void *pvReserved, HCRYPTPROV_OR_NCRYPT_KEY_HANDLE *phCryptProv,
715 DWORD *pdwKeySpec, BOOL *pfCallerFreeProv)
716 {
717 BOOL ret = FALSE, cache = FALSE;
718 PCRYPT_KEY_PROV_INFO info = NULL;
719 CERT_KEY_CONTEXT keyContext;
720 DWORD size;
721
722 TRACE("(%p, %08x, %p, %p, %p, %p)\n", pCert, dwFlags, pvReserved,
723 phCryptProv, pdwKeySpec, pfCallerFreeProv);
724
725 if (dwFlags & CRYPT_ACQUIRE_USE_PROV_INFO_FLAG)
726 {
727 DWORD size = 0;
728
729 ret = CertGetCertificateContextProperty(pCert,
730 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
731 if (ret)
732 {
733 info = HeapAlloc(GetProcessHeap(), 0, size);
734 ret = CertGetCertificateContextProperty(pCert,
735 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
736 if (ret)
737 cache = info->dwFlags & CERT_SET_KEY_CONTEXT_PROP_ID;
738 }
739 }
740 else if (dwFlags & CRYPT_ACQUIRE_CACHE_FLAG)
741 cache = TRUE;
742 *phCryptProv = 0;
743 if (cache)
744 {
745 size = sizeof(keyContext);
746 ret = CertGetCertificateContextProperty(pCert, CERT_KEY_CONTEXT_PROP_ID,
747 &keyContext, &size);
748 if (ret)
749 {
750 *phCryptProv = keyContext.hCryptProv;
751 if (pdwKeySpec)
752 *pdwKeySpec = keyContext.dwKeySpec;
753 if (pfCallerFreeProv)
754 *pfCallerFreeProv = !cache;
755 }
756 }
757 if (!*phCryptProv)
758 {
759 ret = CRYPT_AcquirePrivateKeyFromProvInfo(pCert, info,
760 &keyContext.hCryptProv, &keyContext.dwKeySpec);
761 if (ret)
762 {
763 *phCryptProv = keyContext.hCryptProv;
764 if (pdwKeySpec)
765 *pdwKeySpec = keyContext.dwKeySpec;
766 if (cache)
767 {
768 keyContext.cbSize = sizeof(keyContext);
769 if (CertSetCertificateContextProperty(pCert,
770 CERT_KEY_CONTEXT_PROP_ID, 0, &keyContext))
771 {
772 if (pfCallerFreeProv)
773 *pfCallerFreeProv = FALSE;
774 }
775 }
776 else
777 {
778 if (pfCallerFreeProv)
779 *pfCallerFreeProv = TRUE;
780 }
781 }
782 }
783 HeapFree(GetProcessHeap(), 0, info);
784 return ret;
785 }
786
787 static BOOL key_prov_info_matches_cert(PCCERT_CONTEXT pCert,
788 const CRYPT_KEY_PROV_INFO *keyProvInfo)
789 {
790 HCRYPTPROV csp;
791 BOOL matches = FALSE;
792
793 if (CryptAcquireContextW(&csp, keyProvInfo->pwszContainerName,
794 keyProvInfo->pwszProvName, keyProvInfo->dwProvType, keyProvInfo->dwFlags))
795 {
796 DWORD size;
797
798 /* Need to sign something to verify the sig. What to sign? Why not
799 * the certificate itself?
800 */
801 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
802 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED, pCert->pCertInfo,
803 &pCert->pCertInfo->SignatureAlgorithm, NULL, NULL, &size))
804 {
805 BYTE *certEncoded = CryptMemAlloc(size);
806
807 if (certEncoded)
808 {
809 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
810 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
811 pCert->pCertInfo, &pCert->pCertInfo->SignatureAlgorithm,
812 NULL, certEncoded, &size))
813 {
814 if (size == pCert->cbCertEncoded &&
815 !memcmp(certEncoded, pCert->pbCertEncoded, size))
816 matches = TRUE;
817 }
818 CryptMemFree(certEncoded);
819 }
820 }
821 CryptReleaseContext(csp, 0);
822 }
823 return matches;
824 }
825
826 static BOOL container_matches_cert(PCCERT_CONTEXT pCert, LPCSTR container,
827 CRYPT_KEY_PROV_INFO *keyProvInfo)
828 {
829 CRYPT_KEY_PROV_INFO copy;
830 WCHAR containerW[MAX_PATH];
831 BOOL matches = FALSE;
832
833 MultiByteToWideChar(CP_ACP, 0, container, -1,
834 containerW, sizeof(containerW) / sizeof(containerW[0]));
835 /* We make a copy of the CRYPT_KEY_PROV_INFO because the caller expects
836 * keyProvInfo->pwszContainerName to be NULL or a heap-allocated container
837 * name.
838 */
839 memcpy(&copy, keyProvInfo, sizeof(copy));
840 copy.pwszContainerName = containerW;
841 matches = key_prov_info_matches_cert(pCert, &copy);
842 if (matches)
843 {
844 keyProvInfo->pwszContainerName =
845 CryptMemAlloc((strlenW(containerW) + 1) * sizeof(WCHAR));
846 if (keyProvInfo->pwszContainerName)
847 {
848 strcpyW(keyProvInfo->pwszContainerName, containerW);
849 keyProvInfo->dwKeySpec = AT_SIGNATURE;
850 }
851 else
852 matches = FALSE;
853 }
854 return matches;
855 }
856
857 /* Searches the provider named keyProvInfo.pwszProvName for a container whose
858 * private key matches pCert's public key. Upon success, updates keyProvInfo
859 * with the matching container's info (free keyProvInfo.pwszContainerName upon
860 * success.)
861 * Returns TRUE if found, FALSE if not.
862 */
863 static BOOL find_key_prov_info_in_provider(PCCERT_CONTEXT pCert,
864 CRYPT_KEY_PROV_INFO *keyProvInfo)
865 {
866 HCRYPTPROV defProvider;
867 BOOL ret, found = FALSE;
868 char containerA[MAX_PATH];
869
870 assert(keyProvInfo->pwszContainerName == NULL);
871 if ((ret = CryptAcquireContextW(&defProvider, NULL,
872 keyProvInfo->pwszProvName, keyProvInfo->dwProvType,
873 keyProvInfo->dwFlags | CRYPT_VERIFYCONTEXT)))
874 {
875 DWORD enumFlags = keyProvInfo->dwFlags | CRYPT_FIRST;
876
877 while (ret && !found)
878 {
879 DWORD size = sizeof(containerA);
880
881 ret = CryptGetProvParam(defProvider, PP_ENUMCONTAINERS,
882 (BYTE *)containerA, &size, enumFlags);
883 if (ret)
884 found = container_matches_cert(pCert, containerA, keyProvInfo);
885 if (enumFlags & CRYPT_FIRST)
886 {
887 enumFlags &= ~CRYPT_FIRST;
888 enumFlags |= CRYPT_NEXT;
889 }
890 }
891 CryptReleaseContext(defProvider, 0);
892 }
893 return found;
894 }
895
896 static BOOL find_matching_provider(PCCERT_CONTEXT pCert, DWORD dwFlags)
897 {
898 BOOL found = FALSE, ret = TRUE;
899 DWORD index = 0, cbProvName = 0;
900 CRYPT_KEY_PROV_INFO keyProvInfo;
901
902 TRACE("(%p, %08x)\n", pCert, dwFlags);
903
904 memset(&keyProvInfo, 0, sizeof(keyProvInfo));
905 while (ret && !found)
906 {
907 DWORD size = 0;
908
909 ret = CryptEnumProvidersW(index, NULL, 0, &keyProvInfo.dwProvType,
910 NULL, &size);
911 if (ret)
912 {
913 if (size <= cbProvName)
914 ret = CryptEnumProvidersW(index, NULL, 0,
915 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
916 else
917 {
918 CryptMemFree(keyProvInfo.pwszProvName);
919 keyProvInfo.pwszProvName = CryptMemAlloc(size);
920 if (keyProvInfo.pwszProvName)
921 {
922 cbProvName = size;
923 ret = CryptEnumProvidersW(index, NULL, 0,
924 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
925 if (ret)
926 {
927 if (dwFlags & CRYPT_FIND_SILENT_KEYSET_FLAG)
928 keyProvInfo.dwFlags |= CRYPT_SILENT;
929 if (dwFlags & CRYPT_FIND_USER_KEYSET_FLAG ||
930 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
931 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
932 {
933 keyProvInfo.dwFlags |= CRYPT_USER_KEYSET;
934 found = find_key_prov_info_in_provider(pCert,
935 &keyProvInfo);
936 }
937 if (!found)
938 {
939 if (dwFlags & CRYPT_FIND_MACHINE_KEYSET_FLAG ||
940 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
941 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
942 {
943 keyProvInfo.dwFlags &= ~CRYPT_USER_KEYSET;
944 keyProvInfo.dwFlags |= CRYPT_MACHINE_KEYSET;
945 found = find_key_prov_info_in_provider(pCert,
946 &keyProvInfo);
947 }
948 }
949 }
950 }
951 else
952 ret = FALSE;
953 }
954 index++;
955 }
956 }
957 if (found)
958 CertSetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
959 0, &keyProvInfo);
960 CryptMemFree(keyProvInfo.pwszProvName);
961 CryptMemFree(keyProvInfo.pwszContainerName);
962 return found;
963 }
964
965 static BOOL cert_prov_info_matches_cert(PCCERT_CONTEXT pCert)
966 {
967 BOOL matches = FALSE;
968 DWORD size;
969
970 if (CertGetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
971 NULL, &size))
972 {
973 CRYPT_KEY_PROV_INFO *keyProvInfo = CryptMemAlloc(size);
974
975 if (keyProvInfo)
976 {
977 if (CertGetCertificateContextProperty(pCert,
978 CERT_KEY_PROV_INFO_PROP_ID, keyProvInfo, &size))
979 matches = key_prov_info_matches_cert(pCert, keyProvInfo);
980 CryptMemFree(keyProvInfo);
981 }
982 }
983 return matches;
984 }
985
986 BOOL WINAPI CryptFindCertificateKeyProvInfo(PCCERT_CONTEXT pCert,
987 DWORD dwFlags, void *pvReserved)
988 {
989 BOOL matches = FALSE;
990
991 TRACE("(%p, %08x, %p)\n", pCert, dwFlags, pvReserved);
992
993 matches = cert_prov_info_matches_cert(pCert);
994 if (!matches)
995 matches = find_matching_provider(pCert, dwFlags);
996 return matches;
997 }
998
999 BOOL WINAPI CertCompareCertificate(DWORD dwCertEncodingType,
1000 PCERT_INFO pCertId1, PCERT_INFO pCertId2)
1001 {
1002 BOOL ret;
1003
1004 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertId1, pCertId2);
1005
1006 ret = CertCompareCertificateName(dwCertEncodingType, &pCertId1->Issuer,
1007 &pCertId2->Issuer) && CertCompareIntegerBlob(&pCertId1->SerialNumber,
1008 &pCertId2->SerialNumber);
1009 TRACE("returning %d\n", ret);
1010 return ret;
1011 }
1012
1013 BOOL WINAPI CertCompareCertificateName(DWORD dwCertEncodingType,
1014 PCERT_NAME_BLOB pCertName1, PCERT_NAME_BLOB pCertName2)
1015 {
1016 BOOL ret;
1017
1018 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertName1, pCertName2);
1019
1020 if (pCertName1->cbData == pCertName2->cbData)
1021 {
1022 if (pCertName1->cbData)
1023 ret = !memcmp(pCertName1->pbData, pCertName2->pbData,
1024 pCertName1->cbData);
1025 else
1026 ret = TRUE;
1027 }
1028 else
1029 ret = FALSE;
1030 TRACE("returning %d\n", ret);
1031 return ret;
1032 }
1033
1034 /* Returns the number of significant bytes in pInt, where a byte is
1035 * insignificant if it's a leading 0 for positive numbers or a leading 0xff
1036 * for negative numbers. pInt is assumed to be little-endian.
1037 */
1038 static DWORD CRYPT_significantBytes(const CRYPT_INTEGER_BLOB *pInt)
1039 {
1040 DWORD ret = pInt->cbData;
1041
1042 while (ret > 1)
1043 {
1044 if (pInt->pbData[ret - 2] <= 0x7f && pInt->pbData[ret - 1] == 0)
1045 ret--;
1046 else if (pInt->pbData[ret - 2] >= 0x80 && pInt->pbData[ret - 1] == 0xff)
1047 ret--;
1048 else
1049 break;
1050 }
1051 return ret;
1052 }
1053
1054 BOOL WINAPI CertCompareIntegerBlob(PCRYPT_INTEGER_BLOB pInt1,
1055 PCRYPT_INTEGER_BLOB pInt2)
1056 {
1057 BOOL ret;
1058 DWORD cb1, cb2;
1059
1060 TRACE("(%p, %p)\n", pInt1, pInt2);
1061
1062 cb1 = CRYPT_significantBytes(pInt1);
1063 cb2 = CRYPT_significantBytes(pInt2);
1064 if (cb1 == cb2)
1065 {
1066 if (cb1)
1067 ret = !memcmp(pInt1->pbData, pInt2->pbData, cb1);
1068 else
1069 ret = TRUE;
1070 }
1071 else
1072 ret = FALSE;
1073 TRACE("returning %d\n", ret);
1074 return ret;
1075 }
1076
1077 BOOL WINAPI CertComparePublicKeyInfo(DWORD dwCertEncodingType,
1078 PCERT_PUBLIC_KEY_INFO pPublicKey1, PCERT_PUBLIC_KEY_INFO pPublicKey2)
1079 {
1080 BOOL ret;
1081
1082 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pPublicKey1, pPublicKey2);
1083
1084 switch (GET_CERT_ENCODING_TYPE(dwCertEncodingType))
1085 {
1086 case 0: /* Seems to mean "raw binary bits" */
1087 if (pPublicKey1->PublicKey.cbData == pPublicKey2->PublicKey.cbData &&
1088 pPublicKey1->PublicKey.cUnusedBits == pPublicKey2->PublicKey.cUnusedBits)
1089 {
1090 if (pPublicKey2->PublicKey.cbData)
1091 ret = !memcmp(pPublicKey1->PublicKey.pbData,
1092 pPublicKey2->PublicKey.pbData, pPublicKey1->PublicKey.cbData);
1093 else
1094 ret = TRUE;
1095 }
1096 else
1097 ret = FALSE;
1098 break;
1099 default:
1100 WARN("Unknown encoding type %08x\n", dwCertEncodingType);
1101 /* FALLTHROUGH */
1102 case X509_ASN_ENCODING:
1103 {
1104 BLOBHEADER *pblob1, *pblob2;
1105 DWORD length;
1106 ret = FALSE;
1107 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1108 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1109 0, NULL, &length))
1110 {
1111 pblob1 = CryptMemAlloc(length);
1112 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1113 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1114 0, pblob1, &length))
1115 {
1116 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1117 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1118 0, NULL, &length))
1119 {
1120 pblob2 = CryptMemAlloc(length);
1121 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1122 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1123 0, pblob2, &length))
1124 {
1125 /* The RSAPUBKEY structure directly follows the BLOBHEADER */
1126 RSAPUBKEY *pk1 = (LPVOID)(pblob1 + 1),
1127 *pk2 = (LPVOID)(pblob2 + 1);
1128 ret = (pk1->bitlen == pk2->bitlen) && (pk1->pubexp == pk2->pubexp)
1129 && !memcmp(pk1 + 1, pk2 + 1, pk1->bitlen/8);
1130 }
1131 CryptMemFree(pblob2);
1132 }
1133 }
1134 CryptMemFree(pblob1);
1135 }
1136
1137 break;
1138 }
1139 }
1140 return ret;
1141 }
1142
1143 DWORD WINAPI CertGetPublicKeyLength(DWORD dwCertEncodingType,
1144 PCERT_PUBLIC_KEY_INFO pPublicKey)
1145 {
1146 DWORD len = 0;
1147
1148 TRACE("(%08x, %p)\n", dwCertEncodingType, pPublicKey);
1149
1150 if (GET_CERT_ENCODING_TYPE(dwCertEncodingType) != X509_ASN_ENCODING)
1151 {
1152 SetLastError(ERROR_FILE_NOT_FOUND);
1153 return 0;
1154 }
1155 if (pPublicKey->Algorithm.pszObjId &&
1156 !strcmp(pPublicKey->Algorithm.pszObjId, szOID_RSA_DH))
1157 {
1158 FIXME("unimplemented for DH public keys\n");
1159 SetLastError(CRYPT_E_ASN1_BADTAG);
1160 }
1161 else
1162 {
1163 DWORD size;
1164 PBYTE buf;
1165 BOOL ret = CryptDecodeObjectEx(dwCertEncodingType,
1166 RSA_CSP_PUBLICKEYBLOB, pPublicKey->PublicKey.pbData,
1167 pPublicKey->PublicKey.cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &buf,
1168 &size);
1169
1170 if (ret)
1171 {
1172 RSAPUBKEY *rsaPubKey = (RSAPUBKEY *)(buf + sizeof(BLOBHEADER));
1173
1174 len = rsaPubKey->bitlen;
1175 LocalFree(buf);
1176 }
1177 }
1178 return len;
1179 }
1180
1181 typedef BOOL (*CertCompareFunc)(PCCERT_CONTEXT pCertContext, DWORD dwType,
1182 DWORD dwFlags, const void *pvPara);
1183
1184 static BOOL compare_cert_by_md5_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1185 DWORD dwFlags, const void *pvPara)
1186 {
1187 BOOL ret;
1188 BYTE hash[16];
1189 DWORD size = sizeof(hash);
1190
1191 ret = CertGetCertificateContextProperty(pCertContext,
1192 CERT_MD5_HASH_PROP_ID, hash, &size);
1193 if (ret)
1194 {
1195 const CRYPT_HASH_BLOB *pHash = pvPara;
1196
1197 if (size == pHash->cbData)
1198 ret = !memcmp(pHash->pbData, hash, size);
1199 else
1200 ret = FALSE;
1201 }
1202 return ret;
1203 }
1204
1205 static BOOL compare_cert_by_sha1_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1206 DWORD dwFlags, const void *pvPara)
1207 {
1208 BOOL ret;
1209 BYTE hash[20];
1210 DWORD size = sizeof(hash);
1211
1212 ret = CertGetCertificateContextProperty(pCertContext,
1213 CERT_SHA1_HASH_PROP_ID, hash, &size);
1214 if (ret)
1215 {
1216 const CRYPT_HASH_BLOB *pHash = pvPara;
1217
1218 if (size == pHash->cbData)
1219 ret = !memcmp(pHash->pbData, hash, size);
1220 else
1221 ret = FALSE;
1222 }
1223 return ret;
1224 }
1225
1226 static BOOL compare_cert_by_name(PCCERT_CONTEXT pCertContext, DWORD dwType,
1227 DWORD dwFlags, const void *pvPara)
1228 {
1229 CERT_NAME_BLOB *blob = (CERT_NAME_BLOB *)pvPara, *toCompare;
1230 BOOL ret;
1231
1232 if (dwType & CERT_INFO_SUBJECT_FLAG)
1233 toCompare = &pCertContext->pCertInfo->Subject;
1234 else
1235 toCompare = &pCertContext->pCertInfo->Issuer;
1236 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1237 toCompare, blob);
1238 return ret;
1239 }
1240
1241 static BOOL compare_cert_by_public_key(PCCERT_CONTEXT pCertContext,
1242 DWORD dwType, DWORD dwFlags, const void *pvPara)
1243 {
1244 CERT_PUBLIC_KEY_INFO *publicKey = (CERT_PUBLIC_KEY_INFO *)pvPara;
1245 BOOL ret;
1246
1247 ret = CertComparePublicKeyInfo(pCertContext->dwCertEncodingType,
1248 &pCertContext->pCertInfo->SubjectPublicKeyInfo, publicKey);
1249 return ret;
1250 }
1251
1252 static BOOL compare_cert_by_subject_cert(PCCERT_CONTEXT pCertContext,
1253 DWORD dwType, DWORD dwFlags, const void *pvPara)
1254 {
1255 CERT_INFO *pCertInfo = (CERT_INFO *)pvPara;
1256 BOOL ret;
1257
1258 /* Matching serial number and subject match.. */
1259 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1260 &pCertContext->pCertInfo->Subject, &pCertInfo->Issuer);
1261 if (ret)
1262 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1263 &pCertInfo->SerialNumber);
1264 else
1265 {
1266 /* failing that, if the serial number and issuer match, we match */
1267 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1268 &pCertInfo->SerialNumber);
1269 if (ret)
1270 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1271 &pCertContext->pCertInfo->Issuer, &pCertInfo->Issuer);
1272 }
1273 TRACE("returning %d\n", ret);
1274 return ret;
1275 }
1276
1277 static BOOL compare_cert_by_cert_id(PCCERT_CONTEXT pCertContext, DWORD dwType,
1278 DWORD dwFlags, const void *pvPara)
1279 {
1280 CERT_ID *id = (CERT_ID *)pvPara;
1281 BOOL ret;
1282
1283 switch (id->dwIdChoice)
1284 {
1285 case CERT_ID_ISSUER_SERIAL_NUMBER:
1286 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1287 &pCertContext->pCertInfo->Issuer, &id->u.IssuerSerialNumber.Issuer);
1288 if (ret)
1289 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1290 &id->u.IssuerSerialNumber.SerialNumber);
1291 break;
1292 case CERT_ID_SHA1_HASH:
1293 ret = compare_cert_by_sha1_hash(pCertContext, dwType, dwFlags,
1294 &id->u.HashId);
1295 break;
1296 case CERT_ID_KEY_IDENTIFIER:
1297 {
1298 DWORD size = 0;
1299
1300 ret = CertGetCertificateContextProperty(pCertContext,
1301 CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
1302 if (ret && size == id->u.KeyId.cbData)
1303 {
1304 LPBYTE buf = CryptMemAlloc(size);
1305
1306 if (buf)
1307 {
1308 CertGetCertificateContextProperty(pCertContext,
1309 CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
1310 ret = !memcmp(buf, id->u.KeyId.pbData, size);
1311 CryptMemFree(buf);
1312 }
1313 }
1314 else
1315 ret = FALSE;
1316 break;
1317 }
1318 default:
1319 ret = FALSE;
1320 break;
1321 }
1322 return ret;
1323 }
1324
1325 static BOOL compare_existing_cert(PCCERT_CONTEXT pCertContext, DWORD dwType,
1326 DWORD dwFlags, const void *pvPara)
1327 {
1328 PCCERT_CONTEXT toCompare = pvPara;
1329 return CertCompareCertificate(pCertContext->dwCertEncodingType,
1330 pCertContext->pCertInfo, toCompare->pCertInfo);
1331 }
1332
1333 static BOOL compare_cert_by_signature_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1334 DWORD dwFlags, const void *pvPara)
1335 {
1336 const CRYPT_HASH_BLOB *hash = pvPara;
1337 DWORD size = 0;
1338 BOOL ret;
1339
1340 ret = CertGetCertificateContextProperty(pCertContext,
1341 CERT_SIGNATURE_HASH_PROP_ID, NULL, &size);
1342 if (ret && size == hash->cbData)
1343 {
1344 LPBYTE buf = CryptMemAlloc(size);
1345
1346 if (buf)
1347 {
1348 CertGetCertificateContextProperty(pCertContext,
1349 CERT_SIGNATURE_HASH_PROP_ID, buf, &size);
1350 ret = !memcmp(buf, hash->pbData, size);
1351 CryptMemFree(buf);
1352 }
1353 }
1354 else
1355 ret = FALSE;
1356 return ret;
1357 }
1358
1359 static inline PCCERT_CONTEXT cert_compare_certs_in_store(HCERTSTORE store,
1360 PCCERT_CONTEXT prev, CertCompareFunc compare, DWORD dwType, DWORD dwFlags,
1361 const void *pvPara)
1362 {
1363 BOOL matches = FALSE;
1364 PCCERT_CONTEXT ret;
1365
1366 ret = prev;
1367 do {
1368 ret = CertEnumCertificatesInStore(store, ret);
1369 if (ret)
1370 matches = compare(ret, dwType, dwFlags, pvPara);
1371 } while (ret != NULL && !matches);
1372 return ret;
1373 }
1374
1375 typedef PCCERT_CONTEXT (*CertFindFunc)(HCERTSTORE store, DWORD dwType,
1376 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev);
1377
1378 static PCCERT_CONTEXT find_cert_any(HCERTSTORE store, DWORD dwType,
1379 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1380 {
1381 return CertEnumCertificatesInStore(store, prev);
1382 }
1383
1384 static PCCERT_CONTEXT find_cert_by_issuer(HCERTSTORE store, DWORD dwType,
1385 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1386 {
1387 BOOL ret;
1388 PCCERT_CONTEXT found = NULL, subject = pvPara;
1389 PCERT_EXTENSION ext;
1390 DWORD size;
1391
1392 if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER,
1393 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1394 {
1395 CERT_AUTHORITY_KEY_ID_INFO *info;
1396
1397 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1398 X509_AUTHORITY_KEY_ID, ext->Value.pbData, ext->Value.cbData,
1399 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1400 &info, &size);
1401 if (ret)
1402 {
1403 CERT_ID id;
1404
1405 if (info->CertIssuer.cbData && info->CertSerialNumber.cbData)
1406 {
1407 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1408 memcpy(&id.u.IssuerSerialNumber.Issuer, &info->CertIssuer,
1409 sizeof(CERT_NAME_BLOB));
1410 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1411 &info->CertSerialNumber, sizeof(CRYPT_INTEGER_BLOB));
1412 }
1413 else if (info->KeyId.cbData)
1414 {
1415 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1416 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1417 }
1418 else
1419 ret = FALSE;
1420 if (ret)
1421 found = cert_compare_certs_in_store(store, prev,
1422 compare_cert_by_cert_id, dwType, dwFlags, &id);
1423 LocalFree(info);
1424 }
1425 }
1426 else if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER2,
1427 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1428 {
1429 CERT_AUTHORITY_KEY_ID2_INFO *info;
1430
1431 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1432 X509_AUTHORITY_KEY_ID2, ext->Value.pbData, ext->Value.cbData,
1433 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1434 &info, &size);
1435 if (ret)
1436 {
1437 CERT_ID id;
1438
1439 if (info->AuthorityCertIssuer.cAltEntry &&
1440 info->AuthorityCertSerialNumber.cbData)
1441 {
1442 PCERT_ALT_NAME_ENTRY directoryName = NULL;
1443 DWORD i;
1444
1445 for (i = 0; !directoryName &&
1446 i < info->AuthorityCertIssuer.cAltEntry; i++)
1447 if (info->AuthorityCertIssuer.rgAltEntry[i].dwAltNameChoice
1448 == CERT_ALT_NAME_DIRECTORY_NAME)
1449 directoryName =
1450 &info->AuthorityCertIssuer.rgAltEntry[i];
1451 if (directoryName)
1452 {
1453 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1454 memcpy(&id.u.IssuerSerialNumber.Issuer,
1455 &directoryName->u.DirectoryName, sizeof(CERT_NAME_BLOB));
1456 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1457 &info->AuthorityCertSerialNumber,
1458 sizeof(CRYPT_INTEGER_BLOB));
1459 }
1460 else
1461 {
1462 FIXME("no supported name type in authority key id2\n");
1463 ret = FALSE;
1464 }
1465 }
1466 else if (info->KeyId.cbData)
1467 {
1468 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1469 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1470 }
1471 else
1472 ret = FALSE;
1473 if (ret)
1474 found = cert_compare_certs_in_store(store, prev,
1475 compare_cert_by_cert_id, dwType, dwFlags, &id);
1476 LocalFree(info);
1477 }
1478 }
1479 else
1480 found = cert_compare_certs_in_store(store, prev,
1481 compare_cert_by_name, CERT_COMPARE_NAME | CERT_COMPARE_SUBJECT_CERT,
1482 dwFlags, &subject->pCertInfo->Issuer);
1483 return found;
1484 }
1485
1486 static BOOL compare_cert_by_name_str(PCCERT_CONTEXT pCertContext,
1487 DWORD dwType, DWORD dwFlags, const void *pvPara)
1488 {
1489 PCERT_NAME_BLOB name;
1490 DWORD len;
1491 BOOL ret = FALSE;
1492
1493 if (dwType & CERT_INFO_SUBJECT_FLAG)
1494 name = &pCertContext->pCertInfo->Subject;
1495 else
1496 name = &pCertContext->pCertInfo->Issuer;
1497 len = CertNameToStrW(pCertContext->dwCertEncodingType, name,
1498 CERT_SIMPLE_NAME_STR, NULL, 0);
1499 if (len)
1500 {
1501 LPWSTR str = CryptMemAlloc(len * sizeof(WCHAR));
1502
1503 if (str)
1504 {
1505 LPWSTR ptr;
1506
1507 CertNameToStrW(pCertContext->dwCertEncodingType, name,
1508 CERT_SIMPLE_NAME_STR, str, len);
1509 for (ptr = str; *ptr; ptr++)
1510 *ptr = tolowerW(*ptr);
1511 if (strstrW(str, pvPara))
1512 ret = TRUE;
1513 CryptMemFree(str);
1514 }
1515 }
1516 return ret;
1517 }
1518
1519 static PCCERT_CONTEXT find_cert_by_name_str(HCERTSTORE store, DWORD dwType,
1520 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1521 {
1522 PCCERT_CONTEXT found = NULL;
1523
1524 TRACE("%s\n", debugstr_w(pvPara));
1525
1526 if (pvPara)
1527 {
1528 DWORD len = strlenW(pvPara);
1529 LPWSTR str = CryptMemAlloc((len + 1) * sizeof(WCHAR));
1530
1531 if (str)
1532 {
1533 LPCWSTR src;
1534 LPWSTR dst;
1535
1536 for (src = pvPara, dst = str; *src; src++, dst++)
1537 *dst = tolowerW(*src);
1538 *dst = 0;
1539 found = cert_compare_certs_in_store(store, prev,
1540 compare_cert_by_name_str, dwType, dwFlags, str);
1541 CryptMemFree(str);
1542 }
1543 }
1544 else
1545 found = find_cert_any(store, dwType, dwFlags, NULL, prev);
1546 return found;
1547 }
1548
1549 PCCERT_CONTEXT WINAPI CertFindCertificateInStore(HCERTSTORE hCertStore,
1550 DWORD dwCertEncodingType, DWORD dwFlags, DWORD dwType, const void *pvPara,
1551 PCCERT_CONTEXT pPrevCertContext)
1552 {
1553 PCCERT_CONTEXT ret;
1554 CertFindFunc find = NULL;
1555 CertCompareFunc compare = NULL;
1556
1557 TRACE("(%p, %08x, %08x, %08x, %p, %p)\n", hCertStore, dwCertEncodingType,
1558 dwFlags, dwType, pvPara, pPrevCertContext);
1559
1560 switch (dwType >> CERT_COMPARE_SHIFT)
1561 {
1562 case CERT_COMPARE_ANY:
1563 find = find_cert_any;
1564 break;
1565 case CERT_COMPARE_MD5_HASH:
1566 compare = compare_cert_by_md5_hash;
1567 break;
1568 case CERT_COMPARE_SHA1_HASH:
1569 compare = compare_cert_by_sha1_hash;
1570 break;
1571 case CERT_COMPARE_NAME:
1572 compare = compare_cert_by_name;
1573 break;
1574 case CERT_COMPARE_PUBLIC_KEY:
1575 compare = compare_cert_by_public_key;
1576 break;
1577 case CERT_COMPARE_NAME_STR_W:
1578 find = find_cert_by_name_str;
1579 break;
1580 case CERT_COMPARE_SUBJECT_CERT:
1581 compare = compare_cert_by_subject_cert;
1582 break;
1583 case CERT_COMPARE_CERT_ID:
1584 compare = compare_cert_by_cert_id;
1585 break;
1586 case CERT_COMPARE_ISSUER_OF:
1587 find = find_cert_by_issuer;
1588 break;
1589 case CERT_COMPARE_EXISTING:
1590 compare = compare_existing_cert;
1591 break;
1592 case CERT_COMPARE_SIGNATURE_HASH:
1593 compare = compare_cert_by_signature_hash;
1594 break;
1595 default:
1596 FIXME("find type %08x unimplemented\n", dwType);
1597 }
1598
1599 if (find)
1600 ret = find(hCertStore, dwFlags, dwType, pvPara, pPrevCertContext);
1601 else if (compare)
1602 ret = cert_compare_certs_in_store(hCertStore, pPrevCertContext,
1603 compare, dwType, dwFlags, pvPara);
1604 else
1605 ret = NULL;
1606 if (!ret)
1607 SetLastError(CRYPT_E_NOT_FOUND);
1608 TRACE("returning %p\n", ret);
1609 return ret;
1610 }
1611
1612 PCCERT_CONTEXT WINAPI CertGetSubjectCertificateFromStore(HCERTSTORE hCertStore,
1613 DWORD dwCertEncodingType, PCERT_INFO pCertId)
1614 {
1615 TRACE("(%p, %08x, %p)\n", hCertStore, dwCertEncodingType, pCertId);
1616
1617 if (!pCertId)
1618 {
1619 SetLastError(E_INVALIDARG);
1620 return NULL;
1621 }
1622 return CertFindCertificateInStore(hCertStore, dwCertEncodingType, 0,
1623 CERT_FIND_SUBJECT_CERT, pCertId, NULL);
1624 }
1625
1626 BOOL WINAPI CertVerifySubjectCertificateContext(PCCERT_CONTEXT pSubject,
1627 PCCERT_CONTEXT pIssuer, DWORD *pdwFlags)
1628 {
1629 static const DWORD supportedFlags = CERT_STORE_REVOCATION_FLAG |
1630 CERT_STORE_SIGNATURE_FLAG | CERT_STORE_TIME_VALIDITY_FLAG;
1631
1632 if (*pdwFlags & ~supportedFlags)
1633 {
1634 SetLastError(E_INVALIDARG);
1635 return FALSE;
1636 }
1637 if (*pdwFlags & CERT_STORE_REVOCATION_FLAG)
1638 {
1639 DWORD flags = 0;
1640 PCCRL_CONTEXT crl = CertGetCRLFromStore(pSubject->hCertStore, pSubject,
1641 NULL, &flags);
1642
1643 /* FIXME: what if the CRL has expired? */
1644 if (crl)
1645 {
1646 if (CertVerifyCRLRevocation(pSubject->dwCertEncodingType,
1647 pSubject->pCertInfo, 1, (PCRL_INFO *)&crl->pCrlInfo))
1648 *pdwFlags &= CERT_STORE_REVOCATION_FLAG;
1649 }
1650 else
1651 *pdwFlags |= CERT_STORE_NO_CRL_FLAG;
1652 }
1653 if (*pdwFlags & CERT_STORE_TIME_VALIDITY_FLAG)
1654 {
1655 if (0 == CertVerifyTimeValidity(NULL, pSubject->pCertInfo))
1656 *pdwFlags &= ~CERT_STORE_TIME_VALIDITY_FLAG;
1657 }
1658 if (*pdwFlags & CERT_STORE_SIGNATURE_FLAG)
1659 {
1660 if (CryptVerifyCertificateSignatureEx(0, pSubject->dwCertEncodingType,
1661 CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT, (void *)pSubject,
1662 CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT, (void *)pIssuer, 0, NULL))
1663 *pdwFlags &= ~CERT_STORE_SIGNATURE_FLAG;
1664 }
1665 return TRUE;
1666 }
1667
1668 PCCERT_CONTEXT WINAPI CertGetIssuerCertificateFromStore(HCERTSTORE hCertStore,
1669 PCCERT_CONTEXT pSubjectContext, PCCERT_CONTEXT pPrevIssuerContext,
1670 DWORD *pdwFlags)
1671 {
1672 PCCERT_CONTEXT ret;
1673
1674 TRACE("(%p, %p, %p, %08x)\n", hCertStore, pSubjectContext,
1675 pPrevIssuerContext, *pdwFlags);
1676
1677 if (!pSubjectContext)
1678 {
1679 SetLastError(E_INVALIDARG);
1680 return NULL;
1681 }
1682
1683 ret = CertFindCertificateInStore(hCertStore,
1684 pSubjectContext->dwCertEncodingType, 0, CERT_FIND_ISSUER_OF,
1685 pSubjectContext, pPrevIssuerContext);
1686 if (ret)
1687 {
1688 if (!CertVerifySubjectCertificateContext(pSubjectContext, ret,
1689 pdwFlags))
1690 {
1691 CertFreeCertificateContext(ret);
1692 ret = NULL;
1693 }
1694 }
1695 TRACE("returning %p\n", ret);
1696 return ret;
1697 }
1698
1699 typedef struct _OLD_CERT_REVOCATION_STATUS {
1700 DWORD cbSize;
1701 DWORD dwIndex;
1702 DWORD dwError;
1703 DWORD dwReason;
1704 } OLD_CERT_REVOCATION_STATUS, *POLD_CERT_REVOCATION_STATUS;
1705
1706 typedef BOOL (WINAPI *CertVerifyRevocationFunc)(DWORD, DWORD, DWORD,
1707 void **, DWORD, PCERT_REVOCATION_PARA, PCERT_REVOCATION_STATUS);
1708
1709 BOOL WINAPI CertVerifyRevocation(DWORD dwEncodingType, DWORD dwRevType,
1710 DWORD cContext, PVOID rgpvContext[], DWORD dwFlags,
1711 PCERT_REVOCATION_PARA pRevPara, PCERT_REVOCATION_STATUS pRevStatus)
1712 {
1713 BOOL ret;
1714
1715 TRACE("(%08x, %d, %d, %p, %08x, %p, %p)\n", dwEncodingType, dwRevType,
1716 cContext, rgpvContext, dwFlags, pRevPara, pRevStatus);
1717
1718 if (pRevStatus->cbSize != sizeof(OLD_CERT_REVOCATION_STATUS) &&
1719 pRevStatus->cbSize != sizeof(CERT_REVOCATION_STATUS))
1720 {
1721 SetLastError(E_INVALIDARG);
1722 return FALSE;
1723 }
1724 if (cContext)
1725 {
1726 static HCRYPTOIDFUNCSET set = NULL;
1727 DWORD size;
1728
1729 if (!set)
1730 set = CryptInitOIDFunctionSet(CRYPT_OID_VERIFY_REVOCATION_FUNC, 0);
1731 ret = CryptGetDefaultOIDDllList(set, dwEncodingType, NULL, &size);
1732 if (ret)
1733 {
1734 if (size == 1)
1735 {
1736 /* empty list */
1737 SetLastError(CRYPT_E_NO_REVOCATION_DLL);
1738 ret = FALSE;
1739 }
1740 else
1741 {
1742 LPWSTR dllList = CryptMemAlloc(size * sizeof(WCHAR)), ptr;
1743
1744 if (dllList)
1745 {
1746 ret = CryptGetDefaultOIDDllList(set, dwEncodingType,
1747 dllList, &size);
1748 if (ret)
1749 {
1750 for (ptr = dllList; ret && *ptr;
1751 ptr += lstrlenW(ptr) + 1)
1752 {
1753 CertVerifyRevocationFunc func;
1754 HCRYPTOIDFUNCADDR hFunc;
1755
1756 ret = CryptGetDefaultOIDFunctionAddress(set,
1757 dwEncodingType, ptr, 0, (void **)&func, &hFunc);
1758 if (ret)
1759 {
1760 ret = func(dwEncodingType, dwRevType, cContext,
1761 rgpvContext, dwFlags, pRevPara, pRevStatus);
1762 CryptFreeOIDFunctionAddress(hFunc, 0);
1763 }
1764 }
1765 }
1766 CryptMemFree(dllList);
1767 }
1768 else
1769 {
1770 SetLastError(ERROR_OUTOFMEMORY);
1771 ret = FALSE;
1772 }
1773 }
1774 }
1775 }
1776 else
1777 ret = TRUE;
1778 return ret;
1779 }
1780
1781 PCRYPT_ATTRIBUTE WINAPI CertFindAttribute(LPCSTR pszObjId, DWORD cAttr,
1782 CRYPT_ATTRIBUTE rgAttr[])
1783 {
1784 PCRYPT_ATTRIBUTE ret = NULL;
1785 DWORD i;
1786
1787 TRACE("%s %d %p\n", debugstr_a(pszObjId), cAttr, rgAttr);
1788
1789 if (!cAttr)
1790 return NULL;
1791 if (!pszObjId)
1792 {
1793 SetLastError(ERROR_INVALID_PARAMETER);
1794 return NULL;
1795 }
1796
1797 for (i = 0; !ret && i < cAttr; i++)
1798 if (rgAttr[i].pszObjId && !strcmp(pszObjId, rgAttr[i].pszObjId))
1799 ret = &rgAttr[i];
1800 return ret;
1801 }
1802
1803 PCERT_EXTENSION WINAPI CertFindExtension(LPCSTR pszObjId, DWORD cExtensions,
1804 CERT_EXTENSION rgExtensions[])
1805 {
1806 PCERT_EXTENSION ret = NULL;
1807 DWORD i;
1808
1809 TRACE("%s %d %p\n", debugstr_a(pszObjId), cExtensions, rgExtensions);
1810
1811 if (!cExtensions)
1812 return NULL;
1813 if (!pszObjId)
1814 {
1815 SetLastError(ERROR_INVALID_PARAMETER);
1816 return NULL;
1817 }
1818
1819 for (i = 0; !ret && i < cExtensions; i++)
1820 if (rgExtensions[i].pszObjId && !strcmp(pszObjId,
1821 rgExtensions[i].pszObjId))
1822 ret = &rgExtensions[i];
1823 return ret;
1824 }
1825
1826 PCERT_RDN_ATTR WINAPI CertFindRDNAttr(LPCSTR pszObjId, PCERT_NAME_INFO pName)
1827 {
1828 PCERT_RDN_ATTR ret = NULL;
1829 DWORD i, j;
1830
1831 TRACE("%s %p\n", debugstr_a(pszObjId), pName);
1832
1833 if (!pszObjId)
1834 {
1835 SetLastError(ERROR_INVALID_PARAMETER);
1836 return NULL;
1837 }
1838
1839 for (i = 0; !ret && i < pName->cRDN; i++)
1840 for (j = 0; !ret && j < pName->rgRDN[i].cRDNAttr; j++)
1841 if (pName->rgRDN[i].rgRDNAttr[j].pszObjId && !strcmp(pszObjId,
1842 pName->rgRDN[i].rgRDNAttr[j].pszObjId))
1843 ret = &pName->rgRDN[i].rgRDNAttr[j];
1844 return ret;
1845 }
1846
1847 static BOOL find_matching_rdn_attr(DWORD dwFlags, const CERT_NAME_INFO *name,
1848 const CERT_RDN_ATTR *attr)
1849 {
1850 DWORD i, j;
1851 BOOL match = FALSE;
1852
1853 for (i = 0; !match && i < name->cRDN; i++)
1854 {
1855 for (j = 0; j < name->rgRDN[i].cRDNAttr; j++)
1856 {
1857 if (!strcmp(name->rgRDN[i].rgRDNAttr[j].pszObjId,
1858 attr->pszObjId) &&
1859 name->rgRDN[i].rgRDNAttr[j].dwValueType ==
1860 attr->dwValueType)
1861 {
1862 if (dwFlags & CERT_UNICODE_IS_RDN_ATTRS_FLAG)
1863 {
1864 LPCWSTR nameStr =
1865 (LPCWSTR)name->rgRDN[i].rgRDNAttr[j].Value.pbData;
1866 LPCWSTR attrStr = (LPCWSTR)attr->Value.pbData;
1867
1868 if (attr->Value.cbData !=
1869 name->rgRDN[i].rgRDNAttr[j].Value.cbData)
1870 match = FALSE;
1871 else if (dwFlags & CERT_CASE_INSENSITIVE_IS_RDN_ATTRS_FLAG)
1872 match = !strncmpiW(nameStr, attrStr,
1873 attr->Value.cbData / sizeof(WCHAR));
1874 else
1875 match = !strncmpW(nameStr, attrStr,
1876 attr->Value.cbData / sizeof(WCHAR));
1877 TRACE("%s : %s => %d\n",
1878 debugstr_wn(nameStr, attr->Value.cbData / sizeof(WCHAR)),
1879 debugstr_wn(attrStr, attr->Value.cbData / sizeof(WCHAR)),
1880 match);
1881 }
1882 else
1883 {
1884 LPCSTR nameStr =
1885 (LPCSTR)name->rgRDN[i].rgRDNAttr[j].Value.pbData;
1886 LPCSTR attrStr = (LPCSTR)attr->Value.pbData;
1887
1888 if (attr->Value.cbData !=
1889 name->rgRDN[i].rgRDNAttr[j].Value.cbData)
1890 match = FALSE;
1891 else if (dwFlags & CERT_CASE_INSENSITIVE_IS_RDN_ATTRS_FLAG)
1892 match = !strncasecmp(nameStr, attrStr,
1893 attr->Value.cbData);
1894 else
1895 match = !strncmp(nameStr, attrStr, attr->Value.cbData);
1896 TRACE("%s : %s => %d\n",
1897 debugstr_an(nameStr, attr->Value.cbData),
1898 debugstr_an(attrStr, attr->Value.cbData), match);
1899 }
1900 }
1901 }
1902 }
1903 return match;
1904 }
1905
1906 BOOL WINAPI CertIsRDNAttrsInCertificateName(DWORD dwCertEncodingType,
1907 DWORD dwFlags, PCERT_NAME_BLOB pCertName, PCERT_RDN pRDN)
1908 {
1909 CERT_NAME_INFO *name;
1910 LPCSTR type;
1911 DWORD size;
1912 BOOL ret;
1913
1914 TRACE("(%08x, %08x, %p, %p)\n", dwCertEncodingType, dwFlags, pCertName,
1915 pRDN);
1916
1917 type = dwFlags & CERT_UNICODE_IS_RDN_ATTRS_FLAG ? X509_UNICODE_NAME :
1918 X509_NAME;
1919 if ((ret = CryptDecodeObjectEx(dwCertEncodingType, type, pCertName->pbData,
1920 pCertName->cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &name, &size)))
1921 {
1922 DWORD i;
1923
1924 for (i = 0; ret && i < pRDN->cRDNAttr; i++)
1925 ret = find_matching_rdn_attr(dwFlags, name, &pRDN->rgRDNAttr[i]);
1926 if (!ret)
1927 SetLastError(CRYPT_E_NO_MATCH);
1928 LocalFree(name);
1929 }
1930 return ret;
1931 }
1932
1933 LONG WINAPI CertVerifyTimeValidity(LPFILETIME pTimeToVerify,
1934 PCERT_INFO pCertInfo)
1935 {
1936 FILETIME fileTime;
1937 LONG ret;
1938
1939 if (!pTimeToVerify)
1940 {
1941 GetSystemTimeAsFileTime(&fileTime);
1942 pTimeToVerify = &fileTime;
1943 }
1944 if ((ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotBefore)) >= 0)
1945 {
1946 ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotAfter);
1947 if (ret < 0)
1948 ret = 0;
1949 }
1950 return ret;
1951 }
1952
1953 BOOL WINAPI CertVerifyValidityNesting(PCERT_INFO pSubjectInfo,
1954 PCERT_INFO pIssuerInfo)
1955 {
1956 TRACE("(%p, %p)\n", pSubjectInfo, pIssuerInfo);
1957
1958 return CertVerifyTimeValidity(&pSubjectInfo->NotBefore, pIssuerInfo) == 0
1959 && CertVerifyTimeValidity(&pSubjectInfo->NotAfter, pIssuerInfo) == 0;
1960 }
1961
1962 BOOL WINAPI CryptHashCertificate(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
1963 DWORD dwFlags, const BYTE *pbEncoded, DWORD cbEncoded, BYTE *pbComputedHash,
1964 DWORD *pcbComputedHash)
1965 {
1966 BOOL ret = TRUE;
1967 HCRYPTHASH hHash = 0;
1968
1969 TRACE("(%08lx, %d, %08x, %p, %d, %p, %p)\n", hCryptProv, Algid, dwFlags,
1970 pbEncoded, cbEncoded, pbComputedHash, pcbComputedHash);
1971
1972 if (!hCryptProv)
1973 hCryptProv = CRYPT_GetDefaultProvider();
1974 if (!Algid)
1975 Algid = CALG_SHA1;
1976 if (ret)
1977 {
1978 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
1979 if (ret)
1980 {
1981 ret = CryptHashData(hHash, pbEncoded, cbEncoded, 0);
1982 if (ret)
1983 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
1984 pcbComputedHash, 0);
1985 CryptDestroyHash(hHash);
1986 }
1987 }
1988 return ret;
1989 }
1990
1991 BOOL WINAPI CryptHashPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
1992 DWORD dwFlags, DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo,
1993 BYTE *pbComputedHash, DWORD *pcbComputedHash)
1994 {
1995 BOOL ret = TRUE;
1996 HCRYPTHASH hHash = 0;
1997
1998 TRACE("(%08lx, %d, %08x, %d, %p, %p, %p)\n", hCryptProv, Algid, dwFlags,
1999 dwCertEncodingType, pInfo, pbComputedHash, pcbComputedHash);
2000
2001 if (!hCryptProv)
2002 hCryptProv = CRYPT_GetDefaultProvider();
2003 if (!Algid)
2004 Algid = CALG_MD5;
2005 if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING)
2006 {
2007 SetLastError(ERROR_FILE_NOT_FOUND);
2008 return FALSE;
2009 }
2010 if (ret)
2011 {
2012 BYTE *buf;
2013 DWORD size = 0;
2014
2015 ret = CRYPT_AsnEncodePubKeyInfoNoNull(dwCertEncodingType,
2016 X509_PUBLIC_KEY_INFO, pInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
2017 (LPBYTE)&buf, &size);
2018 if (ret)
2019 {
2020 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
2021 if (ret)
2022 {
2023 ret = CryptHashData(hHash, buf, size, 0);
2024 if (ret)
2025 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
2026 pcbComputedHash, 0);
2027 CryptDestroyHash(hHash);
2028 }
2029 LocalFree(buf);
2030 }
2031 }
2032 return ret;
2033 }
2034
2035 BOOL WINAPI CryptHashToBeSigned(HCRYPTPROV_LEGACY hCryptProv,
2036 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
2037 BYTE *pbComputedHash, DWORD *pcbComputedHash)
2038 {
2039 BOOL ret;
2040 CERT_SIGNED_CONTENT_INFO *info;
2041 DWORD size;
2042
2043 TRACE("(%08lx, %08x, %p, %d, %p, %d)\n", hCryptProv, dwCertEncodingType,
2044 pbEncoded, cbEncoded, pbComputedHash, *pcbComputedHash);
2045
2046 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
2047 pbEncoded, cbEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size);
2048 if (ret)
2049 {
2050 PCCRYPT_OID_INFO oidInfo;
2051 HCRYPTHASH hHash;
2052
2053 if (!hCryptProv)
2054 hCryptProv = CRYPT_GetDefaultProvider();
2055 oidInfo = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2056 info->SignatureAlgorithm.pszObjId, 0);
2057 if (!oidInfo)
2058 {
2059 SetLastError(NTE_BAD_ALGID);
2060 ret = FALSE;
2061 }
2062 else
2063 {
2064 ret = CryptCreateHash(hCryptProv, oidInfo->u.Algid, 0, 0, &hHash);
2065 if (ret)
2066 {
2067 ret = CryptHashData(hHash, info->ToBeSigned.pbData,
2068 info->ToBeSigned.cbData, 0);
2069 if (ret)
2070 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
2071 pcbComputedHash, 0);
2072 CryptDestroyHash(hHash);
2073 }
2074 }
2075 LocalFree(info);
2076 }
2077 return ret;
2078 }
2079
2080 BOOL WINAPI CryptSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
2081 DWORD dwKeySpec, DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
2082 DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
2083 const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
2084 {
2085 BOOL ret;
2086 PCCRYPT_OID_INFO info;
2087 HCRYPTHASH hHash;
2088
2089 TRACE("(%08lx, %d, %d, %p, %d, %p, %p, %p, %p)\n", hCryptProv,
2090 dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
2091 pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
2092
2093 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2094 pSignatureAlgorithm->pszObjId, 0);
2095 if (!info)
2096 {
2097 SetLastError(NTE_BAD_ALGID);
2098 return FALSE;
2099 }
2100 if (info->dwGroupId == CRYPT_HASH_ALG_OID_GROUP_ID)
2101 {
2102 if (!hCryptProv)
2103 hCryptProv = CRYPT_GetDefaultProvider();
2104 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2105 if (ret)
2106 {
2107 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2108 cbEncodedToBeSigned, 0);
2109 if (ret)
2110 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbSignature,
2111 pcbSignature, 0);
2112 CryptDestroyHash(hHash);
2113 }
2114 }
2115 else
2116 {
2117 if (!hCryptProv)
2118 {
2119 SetLastError(ERROR_INVALID_PARAMETER);
2120 ret = FALSE;
2121 }
2122 else
2123 {
2124 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2125 if (ret)
2126 {
2127 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2128 cbEncodedToBeSigned, 0);
2129 if (ret)
2130 ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
2131 pcbSignature);
2132 CryptDestroyHash(hHash);
2133 }
2134 }
2135 }
2136 return ret;
2137 }
2138
2139 BOOL WINAPI CryptSignAndEncodeCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
2140 DWORD dwKeySpec, DWORD dwCertEncodingType, LPCSTR lpszStructType,
2141 const void *pvStructInfo, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
2142 const void *pvHashAuxInfo, BYTE *pbEncoded, DWORD *pcbEncoded)
2143 {
2144 BOOL ret;
2145 DWORD encodedSize, hashSize;
2146
2147 TRACE("(%08lx, %d, %d, %s, %p, %p, %p, %p, %p)\n", hCryptProv, dwKeySpec,
2148 dwCertEncodingType, debugstr_a(lpszStructType), pvStructInfo,
2149 pSignatureAlgorithm, pvHashAuxInfo, pbEncoded, pcbEncoded);
2150
2151 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType, pvStructInfo,
2152 NULL, &encodedSize);
2153 if (ret)
2154 {
2155 PBYTE encoded = CryptMemAlloc(encodedSize);
2156
2157 if (encoded)
2158 {
2159 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType,
2160 pvStructInfo, encoded, &encodedSize);
2161 if (ret)
2162 {
2163 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2164 dwCertEncodingType, encoded, encodedSize, pSignatureAlgorithm,
2165 pvHashAuxInfo, NULL, &hashSize);
2166 if (ret)
2167 {
2168 PBYTE hash = CryptMemAlloc(hashSize);
2169
2170 if (hash)
2171 {
2172 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2173 dwCertEncodingType, encoded, encodedSize,
2174 pSignatureAlgorithm, pvHashAuxInfo, hash, &hashSize);
2175 if (ret)
2176 {
2177 CERT_SIGNED_CONTENT_INFO info = { { 0 } };
2178
2179 info.ToBeSigned.cbData = encodedSize;
2180 info.ToBeSigned.pbData = encoded;
2181 memcpy(&info.SignatureAlgorithm,
2182 pSignatureAlgorithm,
2183 sizeof(info.SignatureAlgorithm));
2184 info.Signature.cbData = hashSize;
2185 info.Signature.pbData = hash;
2186 info.Signature.cUnusedBits = 0;
2187 ret = CryptEncodeObject(dwCertEncodingType,
2188 X509_CERT, &info, pbEncoded, pcbEncoded);
2189 }
2190 CryptMemFree(hash);
2191 }
2192 }
2193 }
2194 CryptMemFree(encoded);
2195 }
2196 }
2197 return ret;
2198 }
2199
2200 BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV_LEGACY hCryptProv,
2201 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
2202 PCERT_PUBLIC_KEY_INFO pPublicKey)
2203 {
2204 return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
2205 CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, (void *)pbEncoded,
2206 CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
2207 }
2208
2209 static BOOL CRYPT_VerifyCertSignatureFromPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv,
2210 DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pubKeyInfo,
2211 const CERT_SIGNED_CONTENT_INFO *signedCert)
2212 {
2213 BOOL ret;
2214 HCRYPTKEY key;
2215 PCCRYPT_OID_INFO info;
2216 ALG_ID pubKeyID, hashID;
2217
2218 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2219 signedCert->SignatureAlgorithm.pszObjId, 0);
2220 if (!info || info->dwGroupId != CRYPT_SIGN_ALG_OID_GROUP_ID)
2221 {
2222 SetLastError(NTE_BAD_ALGID);
2223 return FALSE;
2224 }
2225 hashID = info->u.Algid;
2226 if (info->ExtraInfo.cbData >= sizeof(ALG_ID))
2227 pubKeyID = *(ALG_ID *)info->ExtraInfo.pbData;
2228 else
2229 pubKeyID = hashID;
2230 /* Load the default provider if necessary */
2231 if (!hCryptProv)
2232 hCryptProv = CRYPT_GetDefaultProvider();
2233 ret = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType,
2234 pubKeyInfo, pubKeyID, 0, NULL, &key);
2235 if (ret)
2236 {
2237 HCRYPTHASH hash;
2238
2239 ret = CryptCreateHash(hCryptProv, hashID, 0, 0, &hash);
2240 if (ret)
2241 {
2242 ret = CryptHashData(hash, signedCert->ToBeSigned.pbData,
2243 signedCert->ToBeSigned.cbData, 0);
2244 if (ret)
2245 ret = CryptVerifySignatureW(hash, signedCert->Signature.pbData,
2246 signedCert->Signature.cbData, key, NULL, 0);
2247 CryptDestroyHash(hash);
2248 }
2249 CryptDestroyKey(key);
2250 }
2251 return ret;
2252 }
2253
2254 BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV_LEGACY hCryptProv,
2255 DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
2256 DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
2257 {
2258 BOOL ret = TRUE;
2259 CRYPT_DATA_BLOB subjectBlob;
2260
2261 TRACE("(%08lx, %d, %d, %p, %d, %p, %08x, %p)\n", hCryptProv,
2262 dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
2263 dwFlags, pvReserved);
2264
2265 switch (dwSubjectType)
2266 {
2267 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
2268 {
2269 PCRYPT_DATA_BLOB blob = pvSubject;
2270
2271 subjectBlob.pbData = blob->pbData;
2272 subjectBlob.cbData = blob->cbData;
2273 break;
2274 }
2275 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
2276 {
2277 PCERT_CONTEXT context = pvSubject;
2278
2279 subjectBlob.pbData = context->pbCertEncoded;
2280 subjectBlob.cbData = context->cbCertEncoded;
2281 break;
2282 }
2283 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
2284 {
2285 PCRL_CONTEXT context = pvSubject;
2286
2287 subjectBlob.pbData = context->pbCrlEncoded;
2288 subjectBlob.cbData = context->cbCrlEncoded;
2289 break;
2290 }
2291 default:
2292 SetLastError(E_INVALIDARG);
2293 ret = FALSE;
2294 }
2295
2296 if (ret)
2297 {
2298 PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
2299 DWORD size = 0;
2300
2301 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
2302 subjectBlob.pbData, subjectBlob.cbData,
2303 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
2304 &signedCert, &size);
2305 if (ret)
2306 {
2307 switch (dwIssuerType)
2308 {
2309 case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
2310 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2311 dwCertEncodingType, pvIssuer,
2312 signedCert);
2313 break;
2314 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
2315 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2316 dwCertEncodingType,
2317 &((PCCERT_CONTEXT)pvIssuer)->pCertInfo->SubjectPublicKeyInfo,
2318 signedCert);
2319 break;
2320 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
2321 FIXME("CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN: stub\n");
2322 ret = FALSE;
2323 break;
2324 case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
2325 if (pvIssuer)
2326 {
2327 SetLastError(E_INVALIDARG);
2328 ret = FALSE;
2329 }
2330 else
2331 {
2332 FIXME("unimplemented for NULL signer\n");
2333 SetLastError(E_INVALIDARG);
2334 ret = FALSE;
2335 }
2336 break;
2337 default:
2338 SetLastError(E_INVALIDARG);
2339 ret = FALSE;
2340 }
2341 LocalFree(signedCert);
2342 }
2343 }
2344 return ret;
2345 }
2346
2347 BOOL WINAPI CertGetIntendedKeyUsage(DWORD dwCertEncodingType,
2348 PCERT_INFO pCertInfo, BYTE *pbKeyUsage, DWORD cbKeyUsage)
2349 {
2350 PCERT_EXTENSION ext;
2351 BOOL ret = FALSE;
2352
2353 TRACE("(%08x, %p, %p, %d)\n", dwCertEncodingType, pCertInfo, pbKeyUsage,
2354 cbKeyUsage);
2355
2356 ext = CertFindExtension(szOID_KEY_USAGE, pCertInfo->cExtension,
2357 pCertInfo->rgExtension);
2358 if (ext)
2359 {
2360 CRYPT_BIT_BLOB usage;
2361 DWORD size = sizeof(usage);
2362
2363 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_BITS,
2364 ext->Value.pbData, ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL,
2365 &usage, &size);
2366 if (ret)
2367 {
2368 if (cbKeyUsage < usage.cbData)
2369 ret = FALSE;
2370 else
2371 {
2372 memcpy(pbKeyUsage, usage.pbData, usage.cbData);
2373 if (cbKeyUsage > usage.cbData)
2374 memset(pbKeyUsage + usage.cbData, 0,
2375 cbKeyUsage - usage.cbData);
2376 }
2377 }
2378 }
2379 else
2380 SetLastError(0);
2381 return ret;
2382 }
2383
2384 BOOL WINAPI CertGetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext, DWORD dwFlags,
2385 PCERT_ENHKEY_USAGE pUsage, DWORD *pcbUsage)
2386 {
2387 PCERT_ENHKEY_USAGE usage = NULL;
2388 DWORD bytesNeeded;
2389 BOOL ret = TRUE;
2390
2391 if (!pCertContext || !pcbUsage)
2392 {
2393 SetLastError(ERROR_INVALID_PARAMETER);
2394 return FALSE;
2395 }
2396
2397 TRACE("(%p, %08x, %p, %d)\n", pCertContext, dwFlags, pUsage, *pcbUsage);
2398
2399 if (!(dwFlags & CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG))
2400 {
2401 DWORD propSize = 0;
2402
2403 if (CertGetCertificateContextProperty(pCertContext,
2404 CERT_ENHKEY_USAGE_PROP_ID, NULL, &propSize))
2405 {
2406 LPBYTE buf = CryptMemAlloc(propSize);
2407
2408 if (buf)
2409 {
2410 if (CertGetCertificateContextProperty(pCertContext,
2411 CERT_ENHKEY_USAGE_PROP_ID, buf, &propSize))
2412 {
2413 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2414 X509_ENHANCED_KEY_USAGE, buf, propSize,
2415 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2416 }
2417 CryptMemFree(buf);
2418 }
2419 }
2420 }
2421 if (!usage && !(dwFlags & CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG))
2422 {
2423 PCERT_EXTENSION ext = CertFindExtension(szOID_ENHANCED_KEY_USAGE,
2424 pCertContext->pCertInfo->cExtension,
2425 pCertContext->pCertInfo->rgExtension);
2426
2427 if (ext)
2428 {
2429 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2430 X509_ENHANCED_KEY_USAGE, ext->Value.pbData, ext->Value.cbData,
2431 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2432 }
2433 }
2434 if (!usage)
2435 {
2436 /* If a particular location is specified, this should fail. Otherwise
2437 * it should succeed with an empty usage. (This is true on Win2k and
2438 * later, which we emulate.)
2439 */
2440 if (dwFlags)
2441 {
2442 SetLastError(CRYPT_E_NOT_FOUND);
2443 ret = FALSE;
2444 }
2445 else
2446 bytesNeeded = sizeof(CERT_ENHKEY_USAGE);
2447 }
2448
2449 if (ret)
2450 {
2451 if (!pUsage)
2452 *pcbUsage = bytesNeeded;
2453 else if (*pcbUsage < bytesNeeded)
2454 {
2455 SetLastError(ERROR_MORE_DATA);
2456 *pcbUsage = bytesNeeded;
2457 ret = FALSE;
2458 }
2459 else
2460 {
2461 *pcbUsage = bytesNeeded;
2462 if (usage)
2463 {
2464 DWORD i;
2465 LPSTR nextOID = (LPSTR)((LPBYTE)pUsage +
2466 sizeof(CERT_ENHKEY_USAGE) +
2467 usage->cUsageIdentifier * sizeof(LPSTR));
2468
2469 pUsage->cUsageIdentifier = usage->cUsageIdentifier;
2470 pUsage->rgpszUsageIdentifier = (LPSTR *)((LPBYTE)pUsage +
2471 sizeof(CERT_ENHKEY_USAGE));
2472 for (i = 0; i < usage->cUsageIdentifier; i++)
2473 {
2474 pUsage->rgpszUsageIdentifier[i] = nextOID;
2475 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2476 nextOID += strlen(nextOID) + 1;
2477 }
2478 }
2479 else
2480 pUsage->cUsageIdentifier = 0;
2481 }
2482 }
2483 if (usage)
2484 LocalFree(usage);
2485 TRACE("returning %d\n", ret);
2486 return ret;
2487 }
2488
2489 BOOL WINAPI CertSetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext,
2490 PCERT_ENHKEY_USAGE pUsage)
2491 {
2492 BOOL ret;
2493
2494 TRACE("(%p, %p)\n", pCertContext, pUsage);
2495
2496 if (pUsage)
2497 {
2498 CRYPT_DATA_BLOB blob = { 0, NULL };
2499
2500 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_ENHANCED_KEY_USAGE,
2501 pUsage, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData, &blob.cbData);
2502 if (ret)
2503 {
2504 ret = CertSetCertificateContextProperty(pCertContext,
2505 CERT_ENHKEY_USAGE_PROP_ID, 0, &blob);
2506 LocalFree(blob.pbData);
2507 }
2508 }
2509 else
2510 ret = CertSetCertificateContextProperty(pCertContext,
2511 CERT_ENHKEY_USAGE_PROP_ID, 0, NULL);
2512 return ret;
2513 }
2514
2515 BOOL WINAPI CertAddEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2516 LPCSTR pszUsageIdentifier)
2517 {
2518 BOOL ret;
2519 DWORD size;
2520
2521 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2522
2523 if (CertGetEnhancedKeyUsage(pCertContext,
2524 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, NULL, &size))
2525 {
2526 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(size);
2527
2528 if (usage)
2529 {
2530 ret = CertGetEnhancedKeyUsage(pCertContext,
2531 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, usage, &size);
2532 if (ret)
2533 {
2534 DWORD i;
2535 BOOL exists = FALSE;
2536
2537 /* Make sure usage doesn't already exist */
2538 for (i = 0; !exists && i < usage->cUsageIdentifier; i++)
2539 {
2540 if (!strcmp(usage->rgpszUsageIdentifier[i],
2541 pszUsageIdentifier))
2542 exists = TRUE;
2543 }
2544 if (!exists)
2545 {
2546 PCERT_ENHKEY_USAGE newUsage = CryptMemAlloc(size +
2547 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2548
2549 if (newUsage)
2550 {
2551 LPSTR nextOID;
2552
2553 newUsage->rgpszUsageIdentifier = (LPSTR *)
2554 ((LPBYTE)newUsage + sizeof(CERT_ENHKEY_USAGE));
2555 nextOID = (LPSTR)((LPBYTE)newUsage->rgpszUsageIdentifier
2556 + (usage->cUsageIdentifier + 1) * sizeof(LPSTR));
2557 for (i = 0; i < usage->cUsageIdentifier; i++)
2558 {
2559 newUsage->rgpszUsageIdentifier[i] = nextOID;
2560 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2561 nextOID += strlen(nextOID) + 1;
2562 }
2563 newUsage->rgpszUsageIdentifier[i] = nextOID;
2564 strcpy(nextOID, pszUsageIdentifier);
2565 newUsage->cUsageIdentifier = i + 1;
2566 ret = CertSetEnhancedKeyUsage(pCertContext, newUsage);
2567 CryptMemFree(newUsage);
2568 }
2569 else
2570 ret = FALSE;
2571 }
2572 }
2573 CryptMemFree(usage);
2574 }
2575 else
2576 ret = FALSE;
2577 }
2578 else
2579 {
2580 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(sizeof(CERT_ENHKEY_USAGE) +
2581 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2582
2583 if (usage)
2584 {
2585 usage->rgpszUsageIdentifier =
2586 (LPSTR *)((LPBYTE)usage + sizeof(CERT_ENHKEY_USAGE));
2587 usage->rgpszUsageIdentifier[0] = (LPSTR)((LPBYTE)usage +
2588 sizeof(CERT_ENHKEY_USAGE) + sizeof(LPSTR));
2589 strcpy(usage->rgpszUsageIdentifier[0], pszUsageIdentifier);
2590 usage->cUsageIdentifier = 1;
2591 ret = CertSetEnhancedKeyUsage(pCertContext, usage);
2592 CryptMemFree(usage);
2593 }
2594 else
2595 ret = FALSE;
2596 }
2597 return ret;
2598 }
2599
2600 BOOL WINAPI CertRemoveEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2601 LPCSTR pszUsageIdentifier)
2602 {
2603 BOOL ret;
2604 DWORD size;
2605 CERT_ENHKEY_USAGE usage;
2606
2607 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2608
2609 size = sizeof(usage);
2610 ret = CertGetEnhancedKeyUsage(pCertContext,
2611 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, &usage, &size);
2612 if (!ret && GetLastError() == ERROR_MORE_DATA)
2613 {
2614 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2615
2616 if (pUsage)
2617 {
2618 ret = CertGetEnhancedKeyUsage(pCertContext,
2619 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, pUsage, &size);
2620 if (ret)
2621 {
2622 if (pUsage->cUsageIdentifier)
2623 {
2624 DWORD i;
2625 BOOL found = FALSE;
2626
2627 for (i = 0; i < pUsage->cUsageIdentifier; i++)
2628 {
2629 if (!strcmp(pUsage->rgpszUsageIdentifier[i],
2630 pszUsageIdentifier))
2631 found = TRUE;
2632 if (found && i < pUsage->cUsageIdentifier - 1)
2633 pUsage->rgpszUsageIdentifier[i] =
2634 pUsage->rgpszUsageIdentifier[i + 1];
2635 }
2636 pUsage->cUsageIdentifier--;
2637 /* Remove the usage if it's empty */
2638 if (pUsage->cUsageIdentifier)
2639 ret = CertSetEnhancedKeyUsage(pCertContext, pUsage);
2640 else
2641 ret = CertSetEnhancedKeyUsage(pCertContext, NULL);
2642 }
2643 }
2644 CryptMemFree(pUsage);
2645 }
2646 else
2647 ret = FALSE;
2648 }
2649 else
2650 {
2651 /* it fit in an empty usage, therefore there's nothing to remove */
2652 ret = TRUE;
2653 }
2654 return ret;
2655 }
2656
2657 struct BitField
2658 {
2659 DWORD cIndexes;
2660 DWORD *indexes;
2661 };
2662
2663 #define BITS_PER_DWORD (sizeof(DWORD) * 8)
2664
2665 static void CRYPT_SetBitInField(struct BitField *field, DWORD bit)
2666 {
2667 DWORD indexIndex = bit / BITS_PER_DWORD;
2668
2669 if (indexIndex + 1 > field->cIndexes)
2670 {
2671 if (field->cIndexes)
2672 field->indexes = CryptMemRealloc(field->indexes,
2673 (indexIndex + 1) * sizeof(DWORD));
2674 else
2675 field->indexes = CryptMemAlloc(sizeof(DWORD));
2676 if (field->indexes)
2677 {
2678 field->indexes[indexIndex] = 0;
2679 field->cIndexes = indexIndex + 1;
2680 }
2681 }
2682 if (field->indexes)
2683 field->indexes[indexIndex] |= 1 << (bit % BITS_PER_DWORD);
2684 }
2685
2686 static BOOL CRYPT_IsBitInFieldSet(const struct BitField *field, DWORD bit)
2687 {
2688 BOOL set = FALSE;
2689 DWORD indexIndex = bit / BITS_PER_DWORD;
2690
2691 assert(field->cIndexes);
2692 set = field->indexes[indexIndex] & (1 << (bit % BITS_PER_DWORD));
2693 return set;
2694 }
2695
2696 BOOL WINAPI CertGetValidUsages(DWORD cCerts, PCCERT_CONTEXT *rghCerts,
2697 int *cNumOIDs, LPSTR *rghOIDs, DWORD *pcbOIDs)
2698 {
2699 BOOL ret = TRUE;
2700 DWORD i, cbOIDs = 0;
2701 BOOL allUsagesValid = TRUE;
2702 CERT_ENHKEY_USAGE validUsages = { 0, NULL };
2703
2704 TRACE("(%d, %p, %d, %p, %d)\n", cCerts, rghCerts, *cNumOIDs,
2705 rghOIDs, *pcbOIDs);
2706
2707 for (i = 0; i < cCerts; i++)
2708 {
2709 CERT_ENHKEY_USAGE usage;
2710 DWORD size = sizeof(usage);
2711
2712 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, &usage, &size);
2713 /* Success is deliberately ignored: it implies all usages are valid */
2714 if (!ret && GetLastError() == ERROR_MORE_DATA)
2715 {
2716 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2717
2718 allUsagesValid = FALSE;
2719 if (pUsage)
2720 {
2721 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, pUsage, &size);
2722 if (ret)
2723 {
2724 if (!validUsages.cUsageIdentifier)
2725 {
2726 DWORD j;
2727
2728 cbOIDs = pUsage->cUsageIdentifier * sizeof(LPSTR);
2729 validUsages.cUsageIdentifier = pUsage->cUsageIdentifier;
2730 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2731 cbOIDs += lstrlenA(pUsage->rgpszUsageIdentifier[j])
2732 + 1;
2733 validUsages.rgpszUsageIdentifier =
2734 CryptMemAlloc(cbOIDs);
2735 if (validUsages.rgpszUsageIdentifier)
2736 {
2737 LPSTR nextOID = (LPSTR)
2738 ((LPBYTE)validUsages.rgpszUsageIdentifier +
2739 validUsages.cUsageIdentifier * sizeof(LPSTR));
2740
2741 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2742 {
2743 validUsages.rgpszUsageIdentifier[j] = nextOID;
2744 lstrcpyA(validUsages.rgpszUsageIdentifier[j],
2745 pUsage->rgpszUsageIdentifier[j]);
2746 nextOID += lstrlenA(nextOID) + 1;
2747 }
2748 }
2749 }
2750 else
2751 {
2752 struct BitField validIndexes = { 0, NULL };
2753 DWORD j, k, numRemoved = 0;
2754
2755 /* Merge: build a bitmap of all the indexes of
2756 * validUsages.rgpszUsageIdentifier that are in pUsage.
2757 */
2758 for (j = 0; j < pUsage->cUsageIdentifier; j++)
2759 {
2760 for (k = 0; k < validUsages.cUsageIdentifier; k++)
2761 {
2762 if (!strcmp(pUsage->rgpszUsageIdentifier[j],
2763 validUsages.rgpszUsageIdentifier[k]))
2764 {
2765 CRYPT_SetBitInField(&validIndexes, k);
2766 break;
2767 }
2768 }
2769 }
2770 /* Merge by removing from validUsages those that are
2771 * not in the bitmap.
2772 */
2773 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2774 {
2775 if (!CRYPT_IsBitInFieldSet(&validIndexes, j))
2776 {
2777 if (j < validUsages.cUsageIdentifier - 1)
2778 {
2779 memmove(&validUsages.rgpszUsageIdentifier[j],
2780 &validUsages.rgpszUsageIdentifier[j +
2781 numRemoved + 1],
2782 (validUsages.cUsageIdentifier - numRemoved
2783 - j - 1) * sizeof(LPSTR));
2784 cbOIDs -= lstrlenA(
2785 validUsages.rgpszUsageIdentifier[j]) + 1 +
2786 sizeof(LPSTR);
2787 validUsages.cUsageIdentifier--;
2788 numRemoved++;
2789 }
2790 else
2791 validUsages.cUsageIdentifier--;
2792 }
2793 }
2794 CryptMemFree(validIndexes.indexes);
2795 }
2796 }
2797 CryptMemFree(pUsage);
2798 }
2799 }
2800 }
2801 ret = TRUE;
2802 if (allUsagesValid)
2803 {
2804 *cNumOIDs = -1;
2805 *pcbOIDs = 0;
2806 }
2807 else
2808 {
2809 *cNumOIDs = validUsages.cUsageIdentifier;
2810 if (!rghOIDs)
2811 *pcbOIDs = cbOIDs;
2812 else if (*pcbOIDs < cbOIDs)
2813 {
2814 *pcbOIDs = cbOIDs;
2815 SetLastError(ERROR_MORE_DATA);
2816 ret = FALSE;
2817 }
2818 else
2819 {
2820 LPSTR nextOID = (LPSTR)((LPBYTE)rghOIDs +
2821 validUsages.cUsageIdentifier * sizeof(LPSTR));
2822
2823 *pcbOIDs = cbOIDs;
2824 for (i = 0; i < validUsages.cUsageIdentifier; i++)
2825 {
2826 rghOIDs[i] = nextOID;
2827 lstrcpyA(nextOID, validUsages.rgpszUsageIdentifier[i]);
2828 nextOID += lstrlenA(nextOID) + 1;
2829 }
2830 }
2831 }
2832 CryptMemFree(validUsages.rgpszUsageIdentifier);
2833 TRACE("cNumOIDs: %d\n", *cNumOIDs);
2834 TRACE("returning %d\n", ret);
2835 return ret;
2836 }
2837
2838 /* Sets the CERT_KEY_PROV_INFO_PROP_ID property of context from pInfo, or, if
2839 * pInfo is NULL, from the attributes of hProv.
2840 */
2841 static void CertContext_SetKeyProvInfo(PCCERT_CONTEXT context,
2842 const CRYPT_KEY_PROV_INFO *pInfo, HCRYPTPROV hProv)
2843 {
2844 CRYPT_KEY_PROV_INFO info = { 0 };
2845 BOOL ret;
2846
2847 if (!pInfo)
2848 {
2849 DWORD size;
2850 int len;
2851
2852 ret = CryptGetProvParam(hProv, PP_CONTAINER, NULL, &size, 0);
2853 if (ret)
2854 {
2855 LPSTR szContainer = CryptMemAlloc(size);
2856
2857 if (szContainer)
2858 {
2859 ret = CryptGetProvParam(hProv, PP_CONTAINER,
2860 (BYTE *)szContainer, &size, 0);
2861 if (ret)
2862 {
2863 len = MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
2864 NULL, 0);
2865 if (len)
2866 {
2867 info.pwszContainerName = CryptMemAlloc(len *
2868 sizeof(WCHAR));
2869 MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
2870 info.pwszContainerName, len);
2871 }
2872 }
2873 CryptMemFree(szContainer);
2874 }
2875 }
2876 ret = CryptGetProvParam(hProv, PP_NAME, NULL, &size, 0);
2877 if (ret)
2878 {
2879 LPSTR szProvider = CryptMemAlloc(size);
2880
2881 if (szProvider)
2882 {
2883 ret = CryptGetProvParam(hProv, PP_NAME, (BYTE *)szProvider,
2884 &size, 0);
2885 if (ret)
2886 {
2887 len = MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
2888 NULL, 0);
2889 if (len)
2890 {
2891 info.pwszProvName = CryptMemAlloc(len *
2892 sizeof(WCHAR));
2893 MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
2894 info.pwszProvName, len);
2895 }
2896 }
2897 CryptMemFree(szProvider);
2898 }
2899 }
2900 size = sizeof(info.dwKeySpec);
2901 /* in case no CRYPT_KEY_PROV_INFO given,
2902 * we always use AT_SIGNATURE key spec
2903 */
2904 info.dwKeySpec = AT_SIGNATURE;
2905 size = sizeof(info.dwProvType);
2906 ret = CryptGetProvParam(hProv, PP_PROVTYPE, (LPBYTE)&info.dwProvType,
2907 &size, 0);
2908 if (!ret)
2909 info.dwProvType = PROV_RSA_FULL;
2910 pInfo = &info;
2911 }
2912
2913 CertSetCertificateContextProperty(context, CERT_KEY_PROV_INFO_PROP_ID,
2914 0, pInfo);
2915
2916 if (pInfo == &info)
2917 {
2918 CryptMemFree(info.pwszContainerName);
2919 CryptMemFree(info.pwszProvName);
2920 }
2921 }
2922
2923 /* Creates a signed certificate context from the unsigned, encoded certificate
2924 * in blob, using the crypto provider hProv and the signature algorithm sigAlgo.
2925 */
2926 static PCCERT_CONTEXT CRYPT_CreateSignedCert(const CRYPT_DER_BLOB *blob,
2927 HCRYPTPROV hProv, DWORD dwKeySpec, PCRYPT_ALGORITHM_IDENTIFIER sigAlgo)
2928 {
2929 PCCERT_CONTEXT context = NULL;
2930 BOOL ret;
2931 DWORD sigSize = 0;
2932
2933 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
2934 blob->pbData, blob->cbData, sigAlgo, NULL, NULL, &sigSize);
2935 if (ret)
2936 {
2937 LPBYTE sig = CryptMemAlloc(sigSize);
2938
2939 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
2940 blob->pbData, blob->cbData, sigAlgo, NULL, sig, &sigSize);
2941 if (ret)
2942 {
2943 CERT_SIGNED_CONTENT_INFO signedInfo;
2944 BYTE *encodedSignedCert = NULL;
2945 DWORD encodedSignedCertSize = 0;
2946
2947 signedInfo.ToBeSigned.cbData = blob->cbData;
2948 signedInfo.ToBeSigned.pbData = blob->pbData;
2949 memcpy(&signedInfo.SignatureAlgorithm, sigAlgo,
2950 sizeof(signedInfo.SignatureAlgorithm));
2951 signedInfo.Signature.cbData = sigSize;
2952 signedInfo.Signature.pbData = sig;
2953 signedInfo.Signature.cUnusedBits = 0;
2954 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT,
2955 &signedInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
2956 &encodedSignedCert, &encodedSignedCertSize);
2957 if (ret)
2958 {
2959 context = CertCreateCertificateContext(X509_ASN_ENCODING,
2960 encodedSignedCert, encodedSignedCertSize);
2961 LocalFree(encodedSignedCert);
2962 }
2963 }
2964 CryptMemFree(sig);
2965 }
2966 return context;
2967 }
2968
2969 /* Copies data from the parameters into info, where:
2970 * pSerialNumber: The serial number. Must not be NULL.
2971 * pSubjectIssuerBlob: Specifies both the subject and issuer for info.
2972 * Must not be NULL
2973 * pSignatureAlgorithm: Optional.
2974 * pStartTime: The starting time of the certificate. If NULL, the current
2975 * system time is used.
2976 * pEndTime: The ending time of the certificate. If NULL, one year past the
2977 * starting time is used.
2978 * pubKey: The public key of the certificate. Must not be NULL.
2979 * pExtensions: Extensions to be included with the certificate. Optional.
2980 */
2981 static void CRYPT_MakeCertInfo(PCERT_INFO info, const CRYPT_DATA_BLOB *pSerialNumber,
2982 const CERT_NAME_BLOB *pSubjectIssuerBlob,
2983 const CRYPT_ALGORITHM_IDENTIFIER *pSignatureAlgorithm, const SYSTEMTIME *pStartTime,
2984 const SYSTEMTIME *pEndTime, const CERT_PUBLIC_KEY_INFO *pubKey,
2985 const CERT_EXTENSIONS *pExtensions)
2986 {
2987 static CHAR oid[] = szOID_RSA_SHA1RSA;
2988
2989 assert(info);
2990 assert(pSerialNumber);
2991 assert(pSubjectIssuerBlob);
2992 assert(pubKey);
2993
2994 if (pExtensions && pExtensions->cExtension)
2995 info->dwVersion = CERT_V3;
2996 else
2997 info->dwVersion = CERT_V1;
2998 info->SerialNumber.cbData = pSerialNumber->cbData;
2999 info->SerialNumber.pbData = pSerialNumber->pbData;
3000 if (pSignatureAlgorithm)
3001 memcpy(&info->SignatureAlgorithm, pSignatureAlgorithm,
3002 sizeof(info->SignatureAlgorithm));
3003 else
3004 {
3005 info->SignatureAlgorithm.pszObjId = oid;
3006 info->SignatureAlgorithm.Parameters.cbData = 0;
3007 info->SignatureAlgorithm.Parameters.pbData = NULL;
3008 }
3009 info->Issuer.cbData = pSubjectIssuerBlob->cbData;
3010 info->Issuer.pbData = pSubjectIssuerBlob->pbData;
3011 if (pStartTime)
3012 SystemTimeToFileTime(pStartTime, &info->NotBefore);
3013 else
3014 GetSystemTimeAsFileTime(&info->NotBefore);
3015 if (pEndTime)
3016 SystemTimeToFileTime(pEndTime, &info->NotAfter);
3017 else
3018 {
3019 SYSTEMTIME endTime;
3020
3021 if (FileTimeToSystemTime(&info->NotBefore, &endTime))
3022 {
3023 endTime.wYear++;
3024 SystemTimeToFileTime(&endTime, &info->NotAfter);
3025 }
3026 }
3027 info->Subject.cbData = pSubjectIssuerBlob->cbData;
3028 info->Subject.pbData = pSubjectIssuerBlob->pbData;
3029 memcpy(&info->SubjectPublicKeyInfo, pubKey,
3030 sizeof(info->SubjectPublicKeyInfo));
3031 if (pExtensions)
3032 {
3033 info->cExtension = pExtensions->cExtension;
3034 info->rgExtension = pExtensions->rgExtension;
3035 }
3036 else
3037 {
3038 info->cExtension = 0;
3039 info->rgExtension = NULL;
3040 }
3041 }
3042
3043 typedef RPC_STATUS (RPC_ENTRY *UuidCreateFunc)(UUID *);
3044 typedef RPC_STATUS (RPC_ENTRY *UuidToStringFunc)(UUID *, unsigned char **);
3045 typedef RPC_STATUS (RPC_ENTRY *RpcStringFreeFunc)(unsigned char **);
3046
3047 static HCRYPTPROV CRYPT_CreateKeyProv(void)
3048 {
3049 HCRYPTPROV hProv = 0;
3050 HMODULE rpcrt = LoadLibraryA("rpcrt4");
3051
3052 if (rpcrt)
3053 {
3054 UuidCreateFunc uuidCreate = (UuidCreateFunc)GetProcAddress(rpcrt,
3055 "UuidCreate");
3056 UuidToStringFunc uuidToString = (UuidToStringFunc)GetProcAddress(rpcrt,
3057 "UuidToStringA");
3058 RpcStringFreeFunc rpcStringFree = (RpcStringFreeFunc)GetProcAddress(
3059 rpcrt, "RpcStringFreeA");
3060
3061 if (uuidCreate && uuidToString && rpcStringFree)
3062 {
3063 UUID uuid;
3064 RPC_STATUS status = uuidCreate(&uuid);
3065
3066 if (status == RPC_S_OK || status == RPC_S_UUID_LOCAL_ONLY)
3067 {
3068 unsigned char *uuidStr;
3069
3070 status = uuidToString(&uuid, &uuidStr);
3071 if (status == RPC_S_OK)
3072 {
3073 BOOL ret = CryptAcquireContextA(&hProv, (LPCSTR)uuidStr,
3074 MS_DEF_PROV_A, PROV_RSA_FULL, CRYPT_NEWKEYSET);
3075
3076 if (ret)
3077 {
3078 HCRYPTKEY key;
3079
3080 ret = CryptGenKey(hProv, AT_SIGNATURE, 0, &key);
3081 if (ret)
3082 CryptDestroyKey(key);
3083 }
3084 rpcStringFree(&uuidStr);
3085 }
3086 }
3087 }
3088 FreeLibrary(rpcrt);
3089 }
3090 return hProv;
3091 }
3092
3093 PCCERT_CONTEXT WINAPI CertCreateSelfSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hProv,
3094 PCERT_NAME_BLOB pSubjectIssuerBlob, DWORD dwFlags,
3095 PCRYPT_KEY_PROV_INFO pKeyProvInfo,
3096 PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm, PSYSTEMTIME pStartTime,
3097 PSYSTEMTIME pEndTime, PCERT_EXTENSIONS pExtensions)
3098 {
3099 PCCERT_CONTEXT context = NULL;
3100 BOOL ret, releaseContext = FALSE;
3101 PCERT_PUBLIC_KEY_INFO pubKey = NULL;
3102 DWORD pubKeySize = 0,dwKeySpec = AT_SIGNATURE;
3103
3104 TRACE("(%08lx, %p, %08x, %p, %p, %p, %p, %p)\n", hProv,
3105 pSubjectIssuerBlob, dwFlags, pKeyProvInfo, pSignatureAlgorithm, pStartTime,
3106 pExtensions, pExtensions);
3107
3108 if(!pSubjectIssuerBlob)
3109 {
3110 SetLastError(ERROR_INVALID_PARAMETER);
3111 return NULL;
3112 }
3113
3114 if (!hProv)
3115 {
3116 if (!pKeyProvInfo)
3117 {
3118 hProv = CRYPT_CreateKeyProv();
3119 releaseContext = TRUE;
3120 }
3121 else if (pKeyProvInfo->dwFlags & CERT_SET_KEY_PROV_HANDLE_PROP_ID)
3122 {
3123 SetLastError(NTE_BAD_FLAGS);
3124 return NULL;
3125 }
3126 else
3127 {
3128 HCRYPTKEY hKey = 0;
3129 /* acquire the context using the given information*/
3130 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3131 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3132 pKeyProvInfo->dwFlags);
3133 if (!ret)
3134 {
3135 if(GetLastError() != NTE_BAD_KEYSET)
3136 return NULL;
3137 /* create the key set */
3138 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3139 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3140 pKeyProvInfo->dwFlags|CRYPT_NEWKEYSET);
3141 if (!ret)
3142 return NULL;
3143 }
3144 dwKeySpec = pKeyProvInfo->dwKeySpec;
3145 /* check if the key is here */
3146 ret = CryptGetUserKey(hProv,dwKeySpec,&hKey);
3147 if(!ret)
3148 {
3149 if (NTE_NO_KEY == GetLastError())
3150 { /* generate the key */
3151 ret = CryptGenKey(hProv,dwKeySpec,0,&hKey);
3152 }
3153 if (!ret)
3154 {
3155 CryptReleaseContext(hProv,0);
3156 SetLastError(NTE_BAD_KEYSET);
3157 return NULL;
3158 }
3159 }
3160 CryptDestroyKey(hKey);
3161 releaseContext = TRUE;
3162 }
3163 }
3164 else if (pKeyProvInfo)
3165 {
3166 SetLastError(ERROR_INVALID_PARAMETER);
3167 return NULL;
3168 }
3169
3170 CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING, NULL,
3171 &pubKeySize);
3172 pubKey = CryptMemAlloc(pubKeySize);
3173 if (pubKey)
3174 {
3175 ret = CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING,
3176 pubKey, &pubKeySize);
3177 if (ret)
3178 {
3179 CERT_INFO info = { 0 };
3180 CRYPT_DER_BLOB blob = { 0, NULL };
3181 BYTE serial[16];
3182 CRYPT_DATA_BLOB serialBlob = { sizeof(serial), serial };
3183
3184 CryptGenRandom(hProv, sizeof(serial), serial);
3185 CRYPT_MakeCertInfo(&info, &serialBlob, pSubjectIssuerBlob,
3186 pSignatureAlgorithm, pStartTime, pEndTime, pubKey, pExtensions);
3187 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT_TO_BE_SIGNED,
3188 &info, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData,
3189 &blob.cbData);
3190 if (ret)
3191 {
3192 if (!(dwFlags & CERT_CREATE_SELFSIGN_NO_SIGN))
3193 context = CRYPT_CreateSignedCert(&blob, hProv,dwKeySpec,
3194 &info.SignatureAlgorithm);
3195 else
3196 context = CertCreateCertificateContext(X509_ASN_ENCODING,
3197 blob.pbData, blob.cbData);
3198 if (context && !(dwFlags & CERT_CREATE_SELFSIGN_NO_KEY_INFO))
3199 CertContext_SetKeyProvInfo(context, pKeyProvInfo, hProv);
3200 LocalFree(blob.pbData);
3201 }
3202 }
3203 CryptMemFree(pubKey);
3204 }
3205 if (releaseContext)
3206 CryptReleaseContext(hProv, 0);
3207 return context;
3208 }
3209
3210 BOOL WINAPI CertVerifyCTLUsage(DWORD dwEncodingType, DWORD dwSubjectType,
3211 void *pvSubject, PCTL_USAGE pSubjectUsage, DWORD dwFlags,
3212 PCTL_VERIFY_USAGE_PARA pVerifyUsagePara,
3213 PCTL_VERIFY_USAGE_STATUS pVerifyUsageStatus)
3214 {
3215 FIXME("(0x%x, %d, %p, %p, 0x%x, %p, %p): stub\n", dwEncodingType,
3216 dwSubjectType, pvSubject, pSubjectUsage, dwFlags, pVerifyUsagePara,
3217 pVerifyUsageStatus);
3218 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
3219 return FALSE;
3220 }
3221
3222 const void * WINAPI CertCreateContext(DWORD dwContextType, DWORD dwEncodingType,
3223 const BYTE *pbEncoded, DWORD cbEncoded,
3224 DWORD dwFlags, PCERT_CREATE_CONTEXT_PARA pCreatePara)
3225 {
3226 TRACE("(0x%x, 0x%x, %p, %d, 0x%08x, %p)\n", dwContextType, dwEncodingType,
3227 pbEncoded, cbEncoded, dwFlags, pCreatePara);
3228
3229 if (dwFlags)
3230 {
3231 FIXME("dwFlags 0x%08x not handled\n", dwFlags);
3232 return NULL;
3233 }
3234 if (pCreatePara)
3235 {
3236 FIXME("pCreatePara not handled\n");
3237 return NULL;
3238 }
3239
3240 switch (dwContextType)
3241 {
3242 case CERT_STORE_CERTIFICATE_CONTEXT:
3243 return CertCreateCertificateContext(dwEncodingType, pbEncoded, cbEncoded);
3244 case CERT_STORE_CRL_CONTEXT:
3245 return CertCreateCRLContext(dwEncodingType, pbEncoded, cbEncoded);
3246 case CERT_STORE_CTL_CONTEXT:
3247 return CertCreateCTLContext(dwEncodingType, pbEncoded, cbEncoded);
3248 default:
3249 WARN("unknown context type: 0x%x\n", dwContextType);
3250 return NULL;
3251 }
3252 }