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push 5bc4839baba05cc4333240c25295b8dd6e351557
[wine/hacks.git] / dlls / crypt32 / cert.c
blob4f3df326943d75fdbe998e51c0bdeb53c7f0b256
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 FIXME("(%p, %p, %08x, %p)\n", hCertStore, pCertContext, dwAddDisposition,
117 ppCertContext);
118 return FALSE;
119 }
120
121 PCCERT_CONTEXT WINAPI CertCreateCertificateContext(DWORD dwCertEncodingType,
122 const BYTE *pbCertEncoded, DWORD cbCertEncoded)
123 {
124 PCERT_CONTEXT cert = NULL;
125 BOOL ret;
126 PCERT_INFO certInfo = NULL;
127 DWORD size = 0;
128
129 TRACE("(%08x, %p, %d)\n", dwCertEncodingType, pbCertEncoded,
130 cbCertEncoded);
131
132 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
133 pbCertEncoded, cbCertEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL,
134 &certInfo, &size);
135 if (ret)
136 {
137 BYTE *data = NULL;
138
139 cert = Context_CreateDataContext(sizeof(CERT_CONTEXT));
140 if (!cert)
141 goto end;
142 data = CryptMemAlloc(cbCertEncoded);
143 if (!data)
144 {
145 CryptMemFree(cert);
146 cert = NULL;
147 goto end;
148 }
149 memcpy(data, pbCertEncoded, cbCertEncoded);
150 cert->dwCertEncodingType = dwCertEncodingType;
151 cert->pbCertEncoded = data;
152 cert->cbCertEncoded = cbCertEncoded;
153 cert->pCertInfo = certInfo;
154 cert->hCertStore = 0;
155 }
156
157 end:
158 return cert;
159 }
160
161 PCCERT_CONTEXT WINAPI CertDuplicateCertificateContext(
162 PCCERT_CONTEXT pCertContext)
163 {
164 TRACE("(%p)\n", pCertContext);
165
166 if (!pCertContext)
167 return NULL;
168
169 Context_AddRef((void *)pCertContext, sizeof(CERT_CONTEXT));
170 return pCertContext;
171 }
172
173 static void CertDataContext_Free(void *context)
174 {
175 PCERT_CONTEXT certContext = context;
176
177 CryptMemFree(certContext->pbCertEncoded);
178 LocalFree(certContext->pCertInfo);
179 }
180
181 BOOL WINAPI CertFreeCertificateContext(PCCERT_CONTEXT pCertContext)
182 {
183 BOOL ret = TRUE;
184
185 TRACE("(%p)\n", pCertContext);
186
187 if (pCertContext)
188 ret = Context_Release((void *)pCertContext, sizeof(CERT_CONTEXT),
189 CertDataContext_Free);
190 return ret;
191 }
192
193 DWORD WINAPI CertEnumCertificateContextProperties(PCCERT_CONTEXT pCertContext,
194 DWORD dwPropId)
195 {
196 PCONTEXT_PROPERTY_LIST properties = Context_GetProperties(
197 pCertContext, sizeof(CERT_CONTEXT));
198 DWORD ret;
199
200 TRACE("(%p, %d)\n", pCertContext, dwPropId);
201
202 if (properties)
203 ret = ContextPropertyList_EnumPropIDs(properties, dwPropId);
204 else
205 ret = 0;
206 return ret;
207 }
208
209 static BOOL CertContext_GetHashProp(void *context, DWORD dwPropId,
210 ALG_ID algID, const BYTE *toHash, DWORD toHashLen, void *pvData,
211 DWORD *pcbData)
212 {
213 BOOL ret = CryptHashCertificate(0, algID, 0, toHash, toHashLen, pvData,
214 pcbData);
215 if (ret && pvData)
216 {
217 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
218
219 ret = CertContext_SetProperty(context, dwPropId, 0, &blob);
220 }
221 return ret;
222 }
223
224 static BOOL CertContext_CopyParam(void *pvData, DWORD *pcbData, const void *pb,
225 DWORD cb)
226 {
227 BOOL ret = TRUE;
228
229 if (!pvData)
230 *pcbData = cb;
231 else if (*pcbData < cb)
232 {
233 SetLastError(ERROR_MORE_DATA);
234 *pcbData = cb;
235 ret = FALSE;
236 }
237 else
238 {
239 memcpy(pvData, pb, cb);
240 *pcbData = cb;
241 }
242 return ret;
243 }
244
245 static BOOL CertContext_GetProperty(void *context, DWORD dwPropId,
246 void *pvData, DWORD *pcbData)
247 {
248 PCCERT_CONTEXT pCertContext = context;
249 PCONTEXT_PROPERTY_LIST properties =
250 Context_GetProperties(context, sizeof(CERT_CONTEXT));
251 BOOL ret;
252 CRYPT_DATA_BLOB blob;
253
254 TRACE("(%p, %d, %p, %p)\n", context, dwPropId, pvData, pcbData);
255
256 if (properties)
257 ret = ContextPropertyList_FindProperty(properties, dwPropId, &blob);
258 else
259 ret = FALSE;
260 if (ret)
261 ret = CertContext_CopyParam(pvData, pcbData, blob.pbData, blob.cbData);
262 else
263 {
264 /* Implicit properties */
265 switch (dwPropId)
266 {
267 case CERT_SHA1_HASH_PROP_ID:
268 ret = CertContext_GetHashProp(context, dwPropId, CALG_SHA1,
269 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
270 pcbData);
271 break;
272 case CERT_MD5_HASH_PROP_ID:
273 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
274 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
275 pcbData);
276 break;
277 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
278 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
279 pCertContext->pCertInfo->Subject.pbData,
280 pCertContext->pCertInfo->Subject.cbData,
281 pvData, pcbData);
282 break;
283 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
284 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
285 pCertContext->pCertInfo->SubjectPublicKeyInfo.PublicKey.pbData,
286 pCertContext->pCertInfo->SubjectPublicKeyInfo.PublicKey.cbData,
287 pvData, pcbData);
288 break;
289 case CERT_ISSUER_SERIAL_NUMBER_MD5_HASH_PROP_ID:
290 ret = CertContext_GetHashProp(context, dwPropId, CALG_MD5,
291 pCertContext->pCertInfo->SerialNumber.pbData,
292 pCertContext->pCertInfo->SerialNumber.cbData,
293 pvData, pcbData);
294 break;
295 case CERT_SIGNATURE_HASH_PROP_ID:
296 ret = CryptHashToBeSigned(0, pCertContext->dwCertEncodingType,
297 pCertContext->pbCertEncoded, pCertContext->cbCertEncoded, pvData,
298 pcbData);
299 if (ret && pvData)
300 {
301 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
302
303 ret = CertContext_SetProperty(context, dwPropId, 0, &blob);
304 }
305 break;
306 case CERT_KEY_IDENTIFIER_PROP_ID:
307 {
308 PCERT_EXTENSION ext = CertFindExtension(
309 szOID_SUBJECT_KEY_IDENTIFIER, pCertContext->pCertInfo->cExtension,
310 pCertContext->pCertInfo->rgExtension);
311
312 if (ext)
313 {
314 CRYPT_DATA_BLOB value;
315 DWORD size = sizeof(value);
316
317 ret = CryptDecodeObjectEx(X509_ASN_ENCODING,
318 szOID_SUBJECT_KEY_IDENTIFIER, ext->Value.pbData,
319 ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL, &value,
320 &size);
321 if (ret)
322 {
323 ret = CertContext_CopyParam(pvData, pcbData, value.pbData,
324 value.cbData);
325 CertContext_SetProperty(context, dwPropId, 0, &value);
326 }
327 }
328 else
329 SetLastError(ERROR_INVALID_DATA);
330 break;
331 }
332 default:
333 SetLastError(CRYPT_E_NOT_FOUND);
334 }
335 }
336 TRACE("returning %d\n", ret);
337 return ret;
338 }
339
340 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
341 {
342 DWORD i, containerLen, provNameLen;
343 LPBYTE data = (LPBYTE)info + sizeof(CRYPT_KEY_PROV_INFO);
344
345 info->pwszContainerName = (LPWSTR)data;
346 containerLen = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
347 data += containerLen;
348
349 info->pwszProvName = (LPWSTR)data;
350 provNameLen = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
351 data += provNameLen;
352
353 info->rgProvParam = (PCRYPT_KEY_PROV_PARAM)data;
354 data += info->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
355
356 for (i = 0; i < info->cProvParam; i++)
357 {
358 info->rgProvParam[i].pbData = data;
359 data += info->rgProvParam[i].cbData;
360 }
361 }
362
363 BOOL WINAPI CertGetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
364 DWORD dwPropId, void *pvData, DWORD *pcbData)
365 {
366 BOOL ret;
367
368 TRACE("(%p, %d, %p, %p)\n", pCertContext, dwPropId, pvData, pcbData);
369
370 switch (dwPropId)
371 {
372 case 0:
373 case CERT_CERT_PROP_ID:
374 case CERT_CRL_PROP_ID:
375 case CERT_CTL_PROP_ID:
376 SetLastError(E_INVALIDARG);
377 ret = FALSE;
378 break;
379 case CERT_ACCESS_STATE_PROP_ID:
380 if (pCertContext->hCertStore)
381 ret = CertGetStoreProperty(pCertContext->hCertStore, dwPropId,
382 pvData, pcbData);
383 else
384 {
385 DWORD state = 0;
386
387 ret = CertContext_CopyParam(pvData, pcbData, &state, sizeof(state));
388 }
389 break;
390 case CERT_KEY_PROV_HANDLE_PROP_ID:
391 {
392 CERT_KEY_CONTEXT keyContext;
393 DWORD size = sizeof(keyContext);
394
395 ret = CertContext_GetProperty((void *)pCertContext,
396 CERT_KEY_CONTEXT_PROP_ID, &keyContext, &size);
397 if (ret)
398 ret = CertContext_CopyParam(pvData, pcbData, &keyContext.hCryptProv,
399 sizeof(keyContext.hCryptProv));
400 break;
401 }
402 case CERT_KEY_PROV_INFO_PROP_ID:
403 ret = CertContext_GetProperty((void *)pCertContext, dwPropId, pvData,
404 pcbData);
405 if (ret && pvData)
406 CRYPT_FixKeyProvInfoPointers(pvData);
407 break;
408 default:
409 ret = CertContext_GetProperty((void *)pCertContext, dwPropId, pvData,
410 pcbData);
411 }
412
413 TRACE("returning %d\n", ret);
414 return ret;
415 }
416
417 /* Copies key provider info from from into to, where to is assumed to be a
418 * contiguous buffer of memory large enough for from and all its associated
419 * data, but whose pointers are uninitialized.
420 * Upon return, to contains a contiguous copy of from, packed in the following
421 * order:
422 * - CRYPT_KEY_PROV_INFO
423 * - pwszContainerName
424 * - pwszProvName
425 * - rgProvParam[0]...
426 */
427 static void CRYPT_CopyKeyProvInfo(PCRYPT_KEY_PROV_INFO to,
428 const CRYPT_KEY_PROV_INFO *from)
429 {
430 DWORD i;
431 LPBYTE nextData = (LPBYTE)to + sizeof(CRYPT_KEY_PROV_INFO);
432
433 if (from->pwszContainerName)
434 {
435 to->pwszContainerName = (LPWSTR)nextData;
436 lstrcpyW(to->pwszContainerName, from->pwszContainerName);
437 nextData += (lstrlenW(from->pwszContainerName) + 1) * sizeof(WCHAR);
438 }
439 else
440 to->pwszContainerName = NULL;
441 if (from->pwszProvName)
442 {
443 to->pwszProvName = (LPWSTR)nextData;
444 lstrcpyW(to->pwszProvName, from->pwszProvName);
445 nextData += (lstrlenW(from->pwszProvName) + 1) * sizeof(WCHAR);
446 }
447 else
448 to->pwszProvName = NULL;
449 to->dwProvType = from->dwProvType;
450 to->dwFlags = from->dwFlags;
451 to->cProvParam = from->cProvParam;
452 to->rgProvParam = (PCRYPT_KEY_PROV_PARAM)nextData;
453 nextData += to->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
454 to->dwKeySpec = from->dwKeySpec;
455 for (i = 0; i < to->cProvParam; i++)
456 {
457 memcpy(&to->rgProvParam[i], &from->rgProvParam[i],
458 sizeof(CRYPT_KEY_PROV_PARAM));
459 to->rgProvParam[i].pbData = nextData;
460 memcpy(to->rgProvParam[i].pbData, from->rgProvParam[i].pbData,
461 from->rgProvParam[i].cbData);
462 nextData += from->rgProvParam[i].cbData;
463 }
464 }
465
466 static BOOL CertContext_SetKeyProvInfoProperty(PCONTEXT_PROPERTY_LIST properties,
467 const CRYPT_KEY_PROV_INFO *info)
468 {
469 BOOL ret;
470 LPBYTE buf = NULL;
471 DWORD size = sizeof(CRYPT_KEY_PROV_INFO), i, containerSize, provNameSize;
472
473 if (info->pwszContainerName)
474 containerSize = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
475 else
476 containerSize = 0;
477 if (info->pwszProvName)
478 provNameSize = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
479 else
480 provNameSize = 0;
481 size += containerSize + provNameSize;
482 for (i = 0; i < info->cProvParam; i++)
483 size += sizeof(CRYPT_KEY_PROV_PARAM) + info->rgProvParam[i].cbData;
484 buf = CryptMemAlloc(size);
485 if (buf)
486 {
487 CRYPT_CopyKeyProvInfo((PCRYPT_KEY_PROV_INFO)buf, info);
488 ret = ContextPropertyList_SetProperty(properties,
489 CERT_KEY_PROV_INFO_PROP_ID, buf, size);
490 CryptMemFree(buf);
491 }
492 else
493 ret = FALSE;
494 return ret;
495 }
496
497 static BOOL CertContext_SetProperty(void *context, DWORD dwPropId,
498 DWORD dwFlags, const void *pvData)
499 {
500 PCONTEXT_PROPERTY_LIST properties =
501 Context_GetProperties(context, sizeof(CERT_CONTEXT));
502 BOOL ret;
503
504 TRACE("(%p, %d, %08x, %p)\n", context, dwPropId, dwFlags, pvData);
505
506 if (!properties)
507 ret = FALSE;
508 else
509 {
510 switch (dwPropId)
511 {
512 case CERT_AUTO_ENROLL_PROP_ID:
513 case CERT_CTL_USAGE_PROP_ID: /* same as CERT_ENHKEY_USAGE_PROP_ID */
514 case CERT_DESCRIPTION_PROP_ID:
515 case CERT_FRIENDLY_NAME_PROP_ID:
516 case CERT_HASH_PROP_ID:
517 case CERT_KEY_IDENTIFIER_PROP_ID:
518 case CERT_MD5_HASH_PROP_ID:
519 case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
520 case CERT_PUBKEY_ALG_PARA_PROP_ID:
521 case CERT_PVK_FILE_PROP_ID:
522 case CERT_SIGNATURE_HASH_PROP_ID:
523 case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
524 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
525 case CERT_EXTENDED_ERROR_INFO_PROP_ID:
526 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
527 case CERT_ENROLLMENT_PROP_ID:
528 case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
529 case CERT_RENEWAL_PROP_ID:
530 {
531 if (pvData)
532 {
533 const CRYPT_DATA_BLOB *blob = pvData;
534
535 ret = ContextPropertyList_SetProperty(properties, dwPropId,
536 blob->pbData, blob->cbData);
537 }
538 else
539 {
540 ContextPropertyList_RemoveProperty(properties, dwPropId);
541 ret = TRUE;
542 }
543 break;
544 }
545 case CERT_DATE_STAMP_PROP_ID:
546 if (pvData)
547 ret = ContextPropertyList_SetProperty(properties, dwPropId,
548 pvData, sizeof(FILETIME));
549 else
550 {
551 ContextPropertyList_RemoveProperty(properties, dwPropId);
552 ret = TRUE;
553 }
554 break;
555 case CERT_KEY_CONTEXT_PROP_ID:
556 {
557 if (pvData)
558 {
559 const CERT_KEY_CONTEXT *keyContext = pvData;
560
561 if (keyContext->cbSize != sizeof(CERT_KEY_CONTEXT))
562 {
563 SetLastError(E_INVALIDARG);
564 ret = FALSE;
565 }
566 else
567 ret = ContextPropertyList_SetProperty(properties, dwPropId,
568 (const BYTE *)keyContext, keyContext->cbSize);
569 }
570 else
571 {
572 ContextPropertyList_RemoveProperty(properties, dwPropId);
573 ret = TRUE;
574 }
575 break;
576 }
577 case CERT_KEY_PROV_INFO_PROP_ID:
578 if (pvData)
579 ret = CertContext_SetKeyProvInfoProperty(properties, pvData);
580 else
581 {
582 ContextPropertyList_RemoveProperty(properties, dwPropId);
583 ret = TRUE;
584 }
585 break;
586 case CERT_KEY_PROV_HANDLE_PROP_ID:
587 {
588 CERT_KEY_CONTEXT keyContext;
589 DWORD size = sizeof(keyContext);
590
591 ret = CertContext_GetProperty(context, CERT_KEY_CONTEXT_PROP_ID,
592 &keyContext, &size);
593 if (ret)
594 {
595 if (!(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
596 CryptReleaseContext(keyContext.hCryptProv, 0);
597 }
598 keyContext.cbSize = sizeof(keyContext);
599 if (pvData)
600 keyContext.hCryptProv = *(const HCRYPTPROV *)pvData;
601 else
602 {
603 keyContext.hCryptProv = 0;
604 keyContext.dwKeySpec = AT_SIGNATURE;
605 }
606 ret = CertContext_SetProperty(context, CERT_KEY_CONTEXT_PROP_ID,
607 0, &keyContext);
608 break;
609 }
610 default:
611 FIXME("%d: stub\n", dwPropId);
612 ret = FALSE;
613 }
614 }
615 TRACE("returning %d\n", ret);
616 return ret;
617 }
618
619 BOOL WINAPI CertSetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
620 DWORD dwPropId, DWORD dwFlags, const void *pvData)
621 {
622 BOOL ret;
623
624 TRACE("(%p, %d, %08x, %p)\n", pCertContext, dwPropId, dwFlags, pvData);
625
626 /* Handle special cases for "read-only"/invalid prop IDs. Windows just
627 * crashes on most of these, I'll be safer.
628 */
629 switch (dwPropId)
630 {
631 case 0:
632 case CERT_ACCESS_STATE_PROP_ID:
633 case CERT_CERT_PROP_ID:
634 case CERT_CRL_PROP_ID:
635 case CERT_CTL_PROP_ID:
636 SetLastError(E_INVALIDARG);
637 return FALSE;
638 }
639 ret = CertContext_SetProperty((void *)pCertContext, dwPropId, dwFlags,
640 pvData);
641 TRACE("returning %d\n", ret);
642 return ret;
643 }
644
645 /* Acquires the private key using the key provider info, retrieving info from
646 * the certificate if info is NULL. The acquired provider is returned in
647 * *phCryptProv, and the key spec for the provider is returned in *pdwKeySpec.
648 */
649 static BOOL CRYPT_AcquirePrivateKeyFromProvInfo(PCCERT_CONTEXT pCert,
650 PCRYPT_KEY_PROV_INFO info, HCRYPTPROV *phCryptProv, DWORD *pdwKeySpec)
651 {
652 DWORD size = 0;
653 BOOL allocated = FALSE, ret = TRUE;
654
655 if (!info)
656 {
657 ret = CertGetCertificateContextProperty(pCert,
658 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
659 if (ret)
660 {
661 info = HeapAlloc(GetProcessHeap(), 0, size);
662 if (info)
663 {
664 ret = CertGetCertificateContextProperty(pCert,
665 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
666 allocated = TRUE;
667 }
668 else
669 {
670 SetLastError(ERROR_OUTOFMEMORY);
671 ret = FALSE;
672 }
673 }
674 else
675 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
676 }
677 if (ret)
678 {
679 ret = CryptAcquireContextW(phCryptProv, info->pwszContainerName,
680 info->pwszProvName, info->dwProvType, 0);
681 if (ret)
682 {
683 DWORD i;
684
685 for (i = 0; i < info->cProvParam; i++)
686 {
687 CryptSetProvParam(*phCryptProv,
688 info->rgProvParam[i].dwParam, info->rgProvParam[i].pbData,
689 info->rgProvParam[i].dwFlags);
690 }
691 *pdwKeySpec = info->dwKeySpec;
692 }
693 else
694 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
695 }
696 if (allocated)
697 HeapFree(GetProcessHeap(), 0, info);
698 return ret;
699 }
700
701 BOOL WINAPI CryptAcquireCertificatePrivateKey(PCCERT_CONTEXT pCert,
702 DWORD dwFlags, void *pvReserved, HCRYPTPROV_OR_NCRYPT_KEY_HANDLE *phCryptProv,
703 DWORD *pdwKeySpec, BOOL *pfCallerFreeProv)
704 {
705 BOOL ret = FALSE, cache = FALSE;
706 PCRYPT_KEY_PROV_INFO info = NULL;
707 CERT_KEY_CONTEXT keyContext;
708 DWORD size;
709
710 TRACE("(%p, %08x, %p, %p, %p, %p)\n", pCert, dwFlags, pvReserved,
711 phCryptProv, pdwKeySpec, pfCallerFreeProv);
712
713 if (dwFlags & CRYPT_ACQUIRE_USE_PROV_INFO_FLAG)
714 {
715 DWORD size = 0;
716
717 ret = CertGetCertificateContextProperty(pCert,
718 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
719 if (ret)
720 {
721 info = HeapAlloc(GetProcessHeap(), 0, size);
722 ret = CertGetCertificateContextProperty(pCert,
723 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
724 if (ret)
725 cache = info->dwFlags & CERT_SET_KEY_CONTEXT_PROP_ID;
726 }
727 }
728 else if (dwFlags & CRYPT_ACQUIRE_CACHE_FLAG)
729 cache = TRUE;
730 *phCryptProv = 0;
731 if (cache)
732 {
733 size = sizeof(keyContext);
734 ret = CertGetCertificateContextProperty(pCert, CERT_KEY_CONTEXT_PROP_ID,
735 &keyContext, &size);
736 if (ret)
737 {
738 *phCryptProv = keyContext.hCryptProv;
739 if (pdwKeySpec)
740 *pdwKeySpec = keyContext.dwKeySpec;
741 if (pfCallerFreeProv)
742 *pfCallerFreeProv = !cache;
743 }
744 }
745 if (!*phCryptProv)
746 {
747 ret = CRYPT_AcquirePrivateKeyFromProvInfo(pCert, info,
748 &keyContext.hCryptProv, &keyContext.dwKeySpec);
749 if (ret)
750 {
751 *phCryptProv = keyContext.hCryptProv;
752 if (pdwKeySpec)
753 *pdwKeySpec = keyContext.dwKeySpec;
754 if (cache)
755 {
756 keyContext.cbSize = sizeof(keyContext);
757 if (CertSetCertificateContextProperty(pCert,
758 CERT_KEY_CONTEXT_PROP_ID, 0, &keyContext))
759 {
760 if (pfCallerFreeProv)
761 *pfCallerFreeProv = FALSE;
762 }
763 }
764 else
765 {
766 if (pfCallerFreeProv)
767 *pfCallerFreeProv = TRUE;
768 }
769 }
770 }
771 HeapFree(GetProcessHeap(), 0, info);
772 return ret;
773 }
774
775 static BOOL key_prov_info_matches_cert(PCCERT_CONTEXT pCert,
776 const CRYPT_KEY_PROV_INFO *keyProvInfo)
777 {
778 HCRYPTPROV csp;
779 BOOL matches = FALSE;
780
781 if (CryptAcquireContextW(&csp, keyProvInfo->pwszContainerName,
782 keyProvInfo->pwszProvName, keyProvInfo->dwProvType, keyProvInfo->dwFlags))
783 {
784 DWORD size;
785
786 /* Need to sign something to verify the sig. What to sign? Why not
787 * the certificate itself?
788 */
789 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
790 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED, pCert->pCertInfo,
791 &pCert->pCertInfo->SignatureAlgorithm, NULL, NULL, &size))
792 {
793 BYTE *certEncoded = CryptMemAlloc(size);
794
795 if (certEncoded)
796 {
797 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
798 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
799 pCert->pCertInfo, &pCert->pCertInfo->SignatureAlgorithm,
800 NULL, certEncoded, &size))
801 {
802 if (size == pCert->cbCertEncoded &&
803 !memcmp(certEncoded, pCert->pbCertEncoded, size))
804 matches = TRUE;
805 }
806 CryptMemFree(certEncoded);
807 }
808 }
809 CryptReleaseContext(csp, 0);
810 }
811 return matches;
812 }
813
814 static BOOL container_matches_cert(PCCERT_CONTEXT pCert, LPCSTR container,
815 CRYPT_KEY_PROV_INFO *keyProvInfo)
816 {
817 CRYPT_KEY_PROV_INFO copy;
818 WCHAR containerW[MAX_PATH];
819 BOOL matches = FALSE;
820
821 MultiByteToWideChar(CP_ACP, 0, container, -1,
822 containerW, sizeof(containerW) / sizeof(containerW[0]));
823 /* We make a copy of the CRYPT_KEY_PROV_INFO because the caller expects
824 * keyProvInfo->pwszContainerName to be NULL or a heap-allocated container
825 * name.
826 */
827 memcpy(&copy, keyProvInfo, sizeof(copy));
828 copy.pwszContainerName = containerW;
829 matches = key_prov_info_matches_cert(pCert, &copy);
830 if (matches)
831 {
832 keyProvInfo->pwszContainerName =
833 CryptMemAlloc((strlenW(containerW) + 1) * sizeof(WCHAR));
834 if (keyProvInfo->pwszContainerName)
835 {
836 strcpyW(keyProvInfo->pwszContainerName, containerW);
837 keyProvInfo->dwKeySpec = AT_SIGNATURE;
838 }
839 else
840 matches = FALSE;
841 }
842 return matches;
843 }
844
845 /* Searches the provider named keyProvInfo.pwszProvName for a container whose
846 * private key matches pCert's public key. Upon success, updates keyProvInfo
847 * with the matching container's info (free keyProvInfo.pwszContainerName upon
848 * success.)
849 * Returns TRUE if found, FALSE if not.
850 */
851 static BOOL find_key_prov_info_in_provider(PCCERT_CONTEXT pCert,
852 CRYPT_KEY_PROV_INFO *keyProvInfo)
853 {
854 HCRYPTPROV defProvider;
855 BOOL ret, found = FALSE;
856 char containerA[MAX_PATH];
857
858 assert(keyProvInfo->pwszContainerName == NULL);
859 if ((ret = CryptAcquireContextW(&defProvider, NULL,
860 keyProvInfo->pwszProvName, keyProvInfo->dwProvType,
861 keyProvInfo->dwFlags | CRYPT_VERIFYCONTEXT)))
862 {
863 DWORD enumFlags = keyProvInfo->dwFlags | CRYPT_FIRST;
864
865 while (ret && !found)
866 {
867 DWORD size = sizeof(containerA);
868
869 ret = CryptGetProvParam(defProvider, PP_ENUMCONTAINERS,
870 (BYTE *)containerA, &size, enumFlags);
871 if (ret)
872 found = container_matches_cert(pCert, containerA, keyProvInfo);
873 if (enumFlags & CRYPT_FIRST)
874 {
875 enumFlags &= ~CRYPT_FIRST;
876 enumFlags |= CRYPT_NEXT;
877 }
878 }
879 CryptReleaseContext(defProvider, 0);
880 }
881 return found;
882 }
883
884 static BOOL find_matching_provider(PCCERT_CONTEXT pCert, DWORD dwFlags)
885 {
886 BOOL found = FALSE, ret = TRUE;
887 DWORD index = 0, cbProvName = 0;
888 CRYPT_KEY_PROV_INFO keyProvInfo;
889
890 TRACE("(%p, %08x)\n", pCert, dwFlags);
891
892 memset(&keyProvInfo, 0, sizeof(keyProvInfo));
893 while (ret && !found)
894 {
895 DWORD size = 0;
896
897 ret = CryptEnumProvidersW(index, NULL, 0, &keyProvInfo.dwProvType,
898 NULL, &size);
899 if (ret)
900 {
901 if (size <= cbProvName)
902 ret = CryptEnumProvidersW(index, NULL, 0,
903 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
904 else
905 {
906 CryptMemFree(keyProvInfo.pwszProvName);
907 keyProvInfo.pwszProvName = CryptMemAlloc(size);
908 if (keyProvInfo.pwszProvName)
909 {
910 cbProvName = size;
911 ret = CryptEnumProvidersW(index, NULL, 0,
912 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
913 if (ret)
914 {
915 if (dwFlags & CRYPT_FIND_SILENT_KEYSET_FLAG)
916 keyProvInfo.dwFlags |= CRYPT_SILENT;
917 if (dwFlags & CRYPT_FIND_USER_KEYSET_FLAG ||
918 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
919 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
920 {
921 keyProvInfo.dwFlags |= CRYPT_USER_KEYSET;
922 found = find_key_prov_info_in_provider(pCert,
923 &keyProvInfo);
924 }
925 if (!found)
926 {
927 if (dwFlags & CRYPT_FIND_MACHINE_KEYSET_FLAG ||
928 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
929 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
930 {
931 keyProvInfo.dwFlags &= ~CRYPT_USER_KEYSET;
932 keyProvInfo.dwFlags |= CRYPT_MACHINE_KEYSET;
933 found = find_key_prov_info_in_provider(pCert,
934 &keyProvInfo);
935 }
936 }
937 }
938 }
939 else
940 ret = FALSE;
941 }
942 index++;
943 }
944 }
945 if (found)
946 CertSetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
947 0, &keyProvInfo);
948 CryptMemFree(keyProvInfo.pwszProvName);
949 CryptMemFree(keyProvInfo.pwszContainerName);
950 return found;
951 }
952
953 static BOOL cert_prov_info_matches_cert(PCCERT_CONTEXT pCert)
954 {
955 BOOL matches = FALSE;
956 DWORD size;
957
958 if (CertGetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
959 NULL, &size))
960 {
961 CRYPT_KEY_PROV_INFO *keyProvInfo = CryptMemAlloc(size);
962
963 if (keyProvInfo)
964 {
965 if (CertGetCertificateContextProperty(pCert,
966 CERT_KEY_PROV_INFO_PROP_ID, keyProvInfo, &size))
967 matches = key_prov_info_matches_cert(pCert, keyProvInfo);
968 CryptMemFree(keyProvInfo);
969 }
970 }
971 return matches;
972 }
973
974 BOOL WINAPI CryptFindCertificateKeyProvInfo(PCCERT_CONTEXT pCert,
975 DWORD dwFlags, void *pvReserved)
976 {
977 BOOL matches = FALSE;
978
979 TRACE("(%p, %08x, %p)\n", pCert, dwFlags, pvReserved);
980
981 matches = cert_prov_info_matches_cert(pCert);
982 if (!matches)
983 matches = find_matching_provider(pCert, dwFlags);
984 return matches;
985 }
986
987 BOOL WINAPI CertCompareCertificate(DWORD dwCertEncodingType,
988 PCERT_INFO pCertId1, PCERT_INFO pCertId2)
989 {
990 BOOL ret;
991
992 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertId1, pCertId2);
993
994 ret = CertCompareCertificateName(dwCertEncodingType, &pCertId1->Issuer,
995 &pCertId2->Issuer) && CertCompareIntegerBlob(&pCertId1->SerialNumber,
996 &pCertId2->SerialNumber);
997 TRACE("returning %d\n", ret);
998 return ret;
999 }
1000
1001 BOOL WINAPI CertCompareCertificateName(DWORD dwCertEncodingType,
1002 PCERT_NAME_BLOB pCertName1, PCERT_NAME_BLOB pCertName2)
1003 {
1004 BOOL ret;
1005
1006 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertName1, pCertName2);
1007
1008 if (pCertName1->cbData == pCertName2->cbData)
1009 {
1010 if (pCertName1->cbData)
1011 ret = !memcmp(pCertName1->pbData, pCertName2->pbData,
1012 pCertName1->cbData);
1013 else
1014 ret = TRUE;
1015 }
1016 else
1017 ret = FALSE;
1018 TRACE("returning %d\n", ret);
1019 return ret;
1020 }
1021
1022 /* Returns the number of significant bytes in pInt, where a byte is
1023 * insignificant if it's a leading 0 for positive numbers or a leading 0xff
1024 * for negative numbers. pInt is assumed to be little-endian.
1025 */
1026 static DWORD CRYPT_significantBytes(const CRYPT_INTEGER_BLOB *pInt)
1027 {
1028 DWORD ret = pInt->cbData;
1029
1030 while (ret > 1)
1031 {
1032 if (pInt->pbData[ret - 2] <= 0x7f && pInt->pbData[ret - 1] == 0)
1033 ret--;
1034 else if (pInt->pbData[ret - 2] >= 0x80 && pInt->pbData[ret - 1] == 0xff)
1035 ret--;
1036 else
1037 break;
1038 }
1039 return ret;
1040 }
1041
1042 BOOL WINAPI CertCompareIntegerBlob(PCRYPT_INTEGER_BLOB pInt1,
1043 PCRYPT_INTEGER_BLOB pInt2)
1044 {
1045 BOOL ret;
1046 DWORD cb1, cb2;
1047
1048 TRACE("(%p, %p)\n", pInt1, pInt2);
1049
1050 cb1 = CRYPT_significantBytes(pInt1);
1051 cb2 = CRYPT_significantBytes(pInt2);
1052 if (cb1 == cb2)
1053 {
1054 if (cb1)
1055 ret = !memcmp(pInt1->pbData, pInt2->pbData, cb1);
1056 else
1057 ret = TRUE;
1058 }
1059 else
1060 ret = FALSE;
1061 TRACE("returning %d\n", ret);
1062 return ret;
1063 }
1064
1065 BOOL WINAPI CertComparePublicKeyInfo(DWORD dwCertEncodingType,
1066 PCERT_PUBLIC_KEY_INFO pPublicKey1, PCERT_PUBLIC_KEY_INFO pPublicKey2)
1067 {
1068 BOOL ret;
1069
1070 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pPublicKey1, pPublicKey2);
1071
1072 switch (GET_CERT_ENCODING_TYPE(dwCertEncodingType))
1073 {
1074 case 0: /* Seems to mean "raw binary bits" */
1075 if (pPublicKey1->PublicKey.cbData == pPublicKey2->PublicKey.cbData &&
1076 pPublicKey1->PublicKey.cUnusedBits == pPublicKey2->PublicKey.cUnusedBits)
1077 {
1078 if (pPublicKey2->PublicKey.cbData)
1079 ret = !memcmp(pPublicKey1->PublicKey.pbData,
1080 pPublicKey2->PublicKey.pbData, pPublicKey1->PublicKey.cbData);
1081 else
1082 ret = TRUE;
1083 }
1084 else
1085 ret = FALSE;
1086 break;
1087 default:
1088 WARN("Unknown encoding type %08x\n", dwCertEncodingType);
1089 /* FALLTHROUGH */
1090 case X509_ASN_ENCODING:
1091 {
1092 BLOBHEADER *pblob1, *pblob2;
1093 DWORD length;
1094 ret = FALSE;
1095 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1096 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1097 0, NULL, &length))
1098 {
1099 pblob1 = CryptMemAlloc(length);
1100 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1101 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1102 0, pblob1, &length))
1103 {
1104 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1105 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1106 0, NULL, &length))
1107 {
1108 pblob2 = CryptMemAlloc(length);
1109 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1110 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1111 0, pblob2, &length))
1112 {
1113 /* The RSAPUBKEY structure directly follows the BLOBHEADER */
1114 RSAPUBKEY *pk1 = (LPVOID)(pblob1 + 1),
1115 *pk2 = (LPVOID)(pblob2 + 1);
1116 ret = (pk1->bitlen == pk2->bitlen) && (pk1->pubexp == pk2->pubexp)
1117 && !memcmp(pk1 + 1, pk2 + 1, pk1->bitlen/8);
1118 }
1119 CryptMemFree(pblob2);
1120 }
1121 }
1122 CryptMemFree(pblob1);
1123 }
1124
1125 break;
1126 }
1127 }
1128 return ret;
1129 }
1130
1131 DWORD WINAPI CertGetPublicKeyLength(DWORD dwCertEncodingType,
1132 PCERT_PUBLIC_KEY_INFO pPublicKey)
1133 {
1134 DWORD len = 0;
1135
1136 TRACE("(%08x, %p)\n", dwCertEncodingType, pPublicKey);
1137
1138 if (GET_CERT_ENCODING_TYPE(dwCertEncodingType) != X509_ASN_ENCODING)
1139 {
1140 SetLastError(ERROR_FILE_NOT_FOUND);
1141 return 0;
1142 }
1143 if (pPublicKey->Algorithm.pszObjId &&
1144 !strcmp(pPublicKey->Algorithm.pszObjId, szOID_RSA_DH))
1145 {
1146 FIXME("unimplemented for DH public keys\n");
1147 SetLastError(CRYPT_E_ASN1_BADTAG);
1148 }
1149 else
1150 {
1151 DWORD size;
1152 PBYTE buf;
1153 BOOL ret = CryptDecodeObjectEx(dwCertEncodingType,
1154 RSA_CSP_PUBLICKEYBLOB, pPublicKey->PublicKey.pbData,
1155 pPublicKey->PublicKey.cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &buf,
1156 &size);
1157
1158 if (ret)
1159 {
1160 RSAPUBKEY *rsaPubKey = (RSAPUBKEY *)(buf + sizeof(BLOBHEADER));
1161
1162 len = rsaPubKey->bitlen;
1163 LocalFree(buf);
1164 }
1165 }
1166 return len;
1167 }
1168
1169 typedef BOOL (*CertCompareFunc)(PCCERT_CONTEXT pCertContext, DWORD dwType,
1170 DWORD dwFlags, const void *pvPara);
1171
1172 static BOOL compare_cert_by_md5_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1173 DWORD dwFlags, const void *pvPara)
1174 {
1175 BOOL ret;
1176 BYTE hash[16];
1177 DWORD size = sizeof(hash);
1178
1179 ret = CertGetCertificateContextProperty(pCertContext,
1180 CERT_MD5_HASH_PROP_ID, hash, &size);
1181 if (ret)
1182 {
1183 const CRYPT_HASH_BLOB *pHash = pvPara;
1184
1185 if (size == pHash->cbData)
1186 ret = !memcmp(pHash->pbData, hash, size);
1187 else
1188 ret = FALSE;
1189 }
1190 return ret;
1191 }
1192
1193 static BOOL compare_cert_by_sha1_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1194 DWORD dwFlags, const void *pvPara)
1195 {
1196 BOOL ret;
1197 BYTE hash[20];
1198 DWORD size = sizeof(hash);
1199
1200 ret = CertGetCertificateContextProperty(pCertContext,
1201 CERT_SHA1_HASH_PROP_ID, hash, &size);
1202 if (ret)
1203 {
1204 const CRYPT_HASH_BLOB *pHash = pvPara;
1205
1206 if (size == pHash->cbData)
1207 ret = !memcmp(pHash->pbData, hash, size);
1208 else
1209 ret = FALSE;
1210 }
1211 return ret;
1212 }
1213
1214 static BOOL compare_cert_by_name(PCCERT_CONTEXT pCertContext, DWORD dwType,
1215 DWORD dwFlags, const void *pvPara)
1216 {
1217 CERT_NAME_BLOB *blob = (CERT_NAME_BLOB *)pvPara, *toCompare;
1218 BOOL ret;
1219
1220 if (dwType & CERT_INFO_SUBJECT_FLAG)
1221 toCompare = &pCertContext->pCertInfo->Subject;
1222 else
1223 toCompare = &pCertContext->pCertInfo->Issuer;
1224 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1225 toCompare, blob);
1226 return ret;
1227 }
1228
1229 static BOOL compare_cert_by_public_key(PCCERT_CONTEXT pCertContext,
1230 DWORD dwType, DWORD dwFlags, const void *pvPara)
1231 {
1232 CERT_PUBLIC_KEY_INFO *publicKey = (CERT_PUBLIC_KEY_INFO *)pvPara;
1233 BOOL ret;
1234
1235 ret = CertComparePublicKeyInfo(pCertContext->dwCertEncodingType,
1236 &pCertContext->pCertInfo->SubjectPublicKeyInfo, publicKey);
1237 return ret;
1238 }
1239
1240 static BOOL compare_cert_by_subject_cert(PCCERT_CONTEXT pCertContext,
1241 DWORD dwType, DWORD dwFlags, const void *pvPara)
1242 {
1243 CERT_INFO *pCertInfo = (CERT_INFO *)pvPara;
1244 BOOL ret;
1245
1246 /* Matching serial number and subject match.. */
1247 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1248 &pCertContext->pCertInfo->Subject, &pCertInfo->Issuer);
1249 if (ret)
1250 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1251 &pCertInfo->SerialNumber);
1252 else
1253 {
1254 /* failing that, if the serial number and issuer match, we match */
1255 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1256 &pCertInfo->SerialNumber);
1257 if (ret)
1258 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1259 &pCertContext->pCertInfo->Issuer, &pCertInfo->Issuer);
1260 }
1261 TRACE("returning %d\n", ret);
1262 return ret;
1263 }
1264
1265 static BOOL compare_cert_by_cert_id(PCCERT_CONTEXT pCertContext, DWORD dwType,
1266 DWORD dwFlags, const void *pvPara)
1267 {
1268 CERT_ID *id = (CERT_ID *)pvPara;
1269 BOOL ret;
1270
1271 switch (id->dwIdChoice)
1272 {
1273 case CERT_ID_ISSUER_SERIAL_NUMBER:
1274 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1275 &pCertContext->pCertInfo->Issuer, &id->u.IssuerSerialNumber.Issuer);
1276 if (ret)
1277 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1278 &id->u.IssuerSerialNumber.SerialNumber);
1279 break;
1280 case CERT_ID_SHA1_HASH:
1281 ret = compare_cert_by_sha1_hash(pCertContext, dwType, dwFlags,
1282 &id->u.HashId);
1283 break;
1284 case CERT_ID_KEY_IDENTIFIER:
1285 {
1286 DWORD size = 0;
1287
1288 ret = CertGetCertificateContextProperty(pCertContext,
1289 CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
1290 if (ret && size == id->u.KeyId.cbData)
1291 {
1292 LPBYTE buf = CryptMemAlloc(size);
1293
1294 if (buf)
1295 {
1296 CertGetCertificateContextProperty(pCertContext,
1297 CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
1298 ret = !memcmp(buf, id->u.KeyId.pbData, size);
1299 CryptMemFree(buf);
1300 }
1301 }
1302 else
1303 ret = FALSE;
1304 break;
1305 }
1306 default:
1307 ret = FALSE;
1308 break;
1309 }
1310 return ret;
1311 }
1312
1313 static BOOL compare_existing_cert(PCCERT_CONTEXT pCertContext, DWORD dwType,
1314 DWORD dwFlags, const void *pvPara)
1315 {
1316 PCCERT_CONTEXT toCompare = pvPara;
1317 return CertCompareCertificate(pCertContext->dwCertEncodingType,
1318 pCertContext->pCertInfo, toCompare->pCertInfo);
1319 }
1320
1321 static BOOL compare_cert_by_signature_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1322 DWORD dwFlags, const void *pvPara)
1323 {
1324 const CRYPT_HASH_BLOB *hash = pvPara;
1325 DWORD size = 0;
1326 BOOL ret;
1327
1328 ret = CertGetCertificateContextProperty(pCertContext,
1329 CERT_SIGNATURE_HASH_PROP_ID, NULL, &size);
1330 if (ret && size == hash->cbData)
1331 {
1332 LPBYTE buf = CryptMemAlloc(size);
1333
1334 if (buf)
1335 {
1336 CertGetCertificateContextProperty(pCertContext,
1337 CERT_SIGNATURE_HASH_PROP_ID, buf, &size);
1338 ret = !memcmp(buf, hash->pbData, size);
1339 CryptMemFree(buf);
1340 }
1341 }
1342 else
1343 ret = FALSE;
1344 return ret;
1345 }
1346
1347 static inline PCCERT_CONTEXT cert_compare_certs_in_store(HCERTSTORE store,
1348 PCCERT_CONTEXT prev, CertCompareFunc compare, DWORD dwType, DWORD dwFlags,
1349 const void *pvPara)
1350 {
1351 BOOL matches = FALSE;
1352 PCCERT_CONTEXT ret;
1353
1354 ret = prev;
1355 do {
1356 ret = CertEnumCertificatesInStore(store, ret);
1357 if (ret)
1358 matches = compare(ret, dwType, dwFlags, pvPara);
1359 } while (ret != NULL && !matches);
1360 return ret;
1361 }
1362
1363 typedef PCCERT_CONTEXT (*CertFindFunc)(HCERTSTORE store, DWORD dwType,
1364 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev);
1365
1366 static PCCERT_CONTEXT find_cert_any(HCERTSTORE store, DWORD dwType,
1367 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1368 {
1369 return CertEnumCertificatesInStore(store, prev);
1370 }
1371
1372 static PCCERT_CONTEXT find_cert_by_issuer(HCERTSTORE store, DWORD dwType,
1373 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1374 {
1375 BOOL ret;
1376 PCCERT_CONTEXT found = NULL, subject = pvPara;
1377 PCERT_EXTENSION ext;
1378 DWORD size;
1379
1380 if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER,
1381 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1382 {
1383 CERT_AUTHORITY_KEY_ID_INFO *info;
1384
1385 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1386 X509_AUTHORITY_KEY_ID, ext->Value.pbData, ext->Value.cbData,
1387 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1388 &info, &size);
1389 if (ret)
1390 {
1391 CERT_ID id;
1392
1393 if (info->CertIssuer.cbData && info->CertSerialNumber.cbData)
1394 {
1395 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1396 memcpy(&id.u.IssuerSerialNumber.Issuer, &info->CertIssuer,
1397 sizeof(CERT_NAME_BLOB));
1398 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1399 &info->CertSerialNumber, sizeof(CRYPT_INTEGER_BLOB));
1400 }
1401 else if (info->KeyId.cbData)
1402 {
1403 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1404 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1405 }
1406 else
1407 ret = FALSE;
1408 if (ret)
1409 found = cert_compare_certs_in_store(store, prev,
1410 compare_cert_by_cert_id, dwType, dwFlags, &id);
1411 LocalFree(info);
1412 }
1413 }
1414 else if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER2,
1415 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1416 {
1417 CERT_AUTHORITY_KEY_ID2_INFO *info;
1418
1419 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1420 X509_AUTHORITY_KEY_ID2, ext->Value.pbData, ext->Value.cbData,
1421 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1422 &info, &size);
1423 if (ret)
1424 {
1425 CERT_ID id;
1426
1427 if (info->AuthorityCertIssuer.cAltEntry &&
1428 info->AuthorityCertSerialNumber.cbData)
1429 {
1430 PCERT_ALT_NAME_ENTRY directoryName = NULL;
1431 DWORD i;
1432
1433 for (i = 0; !directoryName &&
1434 i < info->AuthorityCertIssuer.cAltEntry; i++)
1435 if (info->AuthorityCertIssuer.rgAltEntry[i].dwAltNameChoice
1436 == CERT_ALT_NAME_DIRECTORY_NAME)
1437 directoryName =
1438 &info->AuthorityCertIssuer.rgAltEntry[i];
1439 if (directoryName)
1440 {
1441 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1442 memcpy(&id.u.IssuerSerialNumber.Issuer,
1443 &directoryName->u.DirectoryName, sizeof(CERT_NAME_BLOB));
1444 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1445 &info->AuthorityCertSerialNumber,
1446 sizeof(CRYPT_INTEGER_BLOB));
1447 }
1448 else
1449 {
1450 FIXME("no supported name type in authority key id2\n");
1451 ret = FALSE;
1452 }
1453 }
1454 else if (info->KeyId.cbData)
1455 {
1456 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1457 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1458 }
1459 else
1460 ret = FALSE;
1461 if (ret)
1462 found = cert_compare_certs_in_store(store, prev,
1463 compare_cert_by_cert_id, dwType, dwFlags, &id);
1464 LocalFree(info);
1465 }
1466 }
1467 else
1468 found = cert_compare_certs_in_store(store, prev,
1469 compare_cert_by_name, CERT_COMPARE_NAME | CERT_COMPARE_SUBJECT_CERT,
1470 dwFlags, &subject->pCertInfo->Issuer);
1471 return found;
1472 }
1473
1474 static BOOL compare_cert_by_name_str(PCCERT_CONTEXT pCertContext,
1475 DWORD dwType, DWORD dwFlags, const void *pvPara)
1476 {
1477 PCERT_NAME_BLOB name;
1478 DWORD len;
1479 BOOL ret = FALSE;
1480
1481 if (dwType & CERT_INFO_SUBJECT_FLAG)
1482 name = &pCertContext->pCertInfo->Subject;
1483 else
1484 name = &pCertContext->pCertInfo->Issuer;
1485 len = CertNameToStrW(pCertContext->dwCertEncodingType, name,
1486 CERT_SIMPLE_NAME_STR, NULL, 0);
1487 if (len)
1488 {
1489 LPWSTR str = CryptMemAlloc(len * sizeof(WCHAR));
1490
1491 if (str)
1492 {
1493 LPWSTR ptr;
1494
1495 CertNameToStrW(pCertContext->dwCertEncodingType, name,
1496 CERT_SIMPLE_NAME_STR, str, len);
1497 for (ptr = str; *ptr; ptr++)
1498 *ptr = tolowerW(*ptr);
1499 if (strstrW(str, pvPara))
1500 ret = TRUE;
1501 CryptMemFree(str);
1502 }
1503 }
1504 return ret;
1505 }
1506
1507 static PCCERT_CONTEXT find_cert_by_name_str(HCERTSTORE store, DWORD dwType,
1508 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1509 {
1510 PCCERT_CONTEXT found = NULL;
1511
1512 TRACE("%s\n", debugstr_w(pvPara));
1513
1514 if (pvPara)
1515 {
1516 DWORD len = strlenW(pvPara);
1517 LPWSTR str = CryptMemAlloc((len + 1) * sizeof(WCHAR));
1518
1519 if (str)
1520 {
1521 LPCWSTR src;
1522 LPWSTR dst;
1523
1524 for (src = pvPara, dst = str; *src; src++, dst++)
1525 *dst = tolowerW(*src);
1526 *dst = 0;
1527 found = cert_compare_certs_in_store(store, prev,
1528 compare_cert_by_name_str, dwType, dwFlags, str);
1529 CryptMemFree(str);
1530 }
1531 }
1532 else
1533 found = find_cert_any(store, dwType, dwFlags, NULL, prev);
1534 return found;
1535 }
1536
1537 PCCERT_CONTEXT WINAPI CertFindCertificateInStore(HCERTSTORE hCertStore,
1538 DWORD dwCertEncodingType, DWORD dwFlags, DWORD dwType, const void *pvPara,
1539 PCCERT_CONTEXT pPrevCertContext)
1540 {
1541 PCCERT_CONTEXT ret;
1542 CertFindFunc find = NULL;
1543 CertCompareFunc compare = NULL;
1544
1545 TRACE("(%p, %08x, %08x, %08x, %p, %p)\n", hCertStore, dwCertEncodingType,
1546 dwFlags, dwType, pvPara, pPrevCertContext);
1547
1548 switch (dwType >> CERT_COMPARE_SHIFT)
1549 {
1550 case CERT_COMPARE_ANY:
1551 find = find_cert_any;
1552 break;
1553 case CERT_COMPARE_MD5_HASH:
1554 compare = compare_cert_by_md5_hash;
1555 break;
1556 case CERT_COMPARE_SHA1_HASH:
1557 compare = compare_cert_by_sha1_hash;
1558 break;
1559 case CERT_COMPARE_NAME:
1560 compare = compare_cert_by_name;
1561 break;
1562 case CERT_COMPARE_PUBLIC_KEY:
1563 compare = compare_cert_by_public_key;
1564 break;
1565 case CERT_COMPARE_NAME_STR_W:
1566 find = find_cert_by_name_str;
1567 break;
1568 case CERT_COMPARE_SUBJECT_CERT:
1569 compare = compare_cert_by_subject_cert;
1570 break;
1571 case CERT_COMPARE_CERT_ID:
1572 compare = compare_cert_by_cert_id;
1573 break;
1574 case CERT_COMPARE_ISSUER_OF:
1575 find = find_cert_by_issuer;
1576 break;
1577 case CERT_COMPARE_EXISTING:
1578 compare = compare_existing_cert;
1579 break;
1580 case CERT_COMPARE_SIGNATURE_HASH:
1581 compare = compare_cert_by_signature_hash;
1582 break;
1583 default:
1584 FIXME("find type %08x unimplemented\n", dwType);
1585 }
1586
1587 if (find)
1588 ret = find(hCertStore, dwFlags, dwType, pvPara, pPrevCertContext);
1589 else if (compare)
1590 ret = cert_compare_certs_in_store(hCertStore, pPrevCertContext,
1591 compare, dwType, dwFlags, pvPara);
1592 else
1593 ret = NULL;
1594 if (!ret)
1595 SetLastError(CRYPT_E_NOT_FOUND);
1596 TRACE("returning %p\n", ret);
1597 return ret;
1598 }
1599
1600 PCCERT_CONTEXT WINAPI CertGetSubjectCertificateFromStore(HCERTSTORE hCertStore,
1601 DWORD dwCertEncodingType, PCERT_INFO pCertId)
1602 {
1603 TRACE("(%p, %08x, %p)\n", hCertStore, dwCertEncodingType, pCertId);
1604
1605 if (!pCertId)
1606 {
1607 SetLastError(E_INVALIDARG);
1608 return NULL;
1609 }
1610 return CertFindCertificateInStore(hCertStore, dwCertEncodingType, 0,
1611 CERT_FIND_SUBJECT_CERT, pCertId, NULL);
1612 }
1613
1614 BOOL WINAPI CertVerifySubjectCertificateContext(PCCERT_CONTEXT pSubject,
1615 PCCERT_CONTEXT pIssuer, DWORD *pdwFlags)
1616 {
1617 static const DWORD supportedFlags = CERT_STORE_REVOCATION_FLAG |
1618 CERT_STORE_SIGNATURE_FLAG | CERT_STORE_TIME_VALIDITY_FLAG;
1619
1620 if (*pdwFlags & ~supportedFlags)
1621 {
1622 SetLastError(E_INVALIDARG);
1623 return FALSE;
1624 }
1625 if (*pdwFlags & CERT_STORE_REVOCATION_FLAG)
1626 {
1627 DWORD flags = 0;
1628 PCCRL_CONTEXT crl = CertGetCRLFromStore(pSubject->hCertStore, pSubject,
1629 NULL, &flags);
1630
1631 /* FIXME: what if the CRL has expired? */
1632 if (crl)
1633 {
1634 if (CertVerifyCRLRevocation(pSubject->dwCertEncodingType,
1635 pSubject->pCertInfo, 1, (PCRL_INFO *)&crl->pCrlInfo))
1636 *pdwFlags &= CERT_STORE_REVOCATION_FLAG;
1637 }
1638 else
1639 *pdwFlags |= CERT_STORE_NO_CRL_FLAG;
1640 }
1641 if (*pdwFlags & CERT_STORE_TIME_VALIDITY_FLAG)
1642 {
1643 if (0 == CertVerifyTimeValidity(NULL, pSubject->pCertInfo))
1644 *pdwFlags &= ~CERT_STORE_TIME_VALIDITY_FLAG;
1645 }
1646 if (*pdwFlags & CERT_STORE_SIGNATURE_FLAG)
1647 {
1648 if (CryptVerifyCertificateSignatureEx(0, pSubject->dwCertEncodingType,
1649 CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT, (void *)pSubject,
1650 CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT, (void *)pIssuer, 0, NULL))
1651 *pdwFlags &= ~CERT_STORE_SIGNATURE_FLAG;
1652 }
1653 return TRUE;
1654 }
1655
1656 PCCERT_CONTEXT WINAPI CertGetIssuerCertificateFromStore(HCERTSTORE hCertStore,
1657 PCCERT_CONTEXT pSubjectContext, PCCERT_CONTEXT pPrevIssuerContext,
1658 DWORD *pdwFlags)
1659 {
1660 PCCERT_CONTEXT ret;
1661
1662 TRACE("(%p, %p, %p, %08x)\n", hCertStore, pSubjectContext,
1663 pPrevIssuerContext, *pdwFlags);
1664
1665 if (!pSubjectContext)
1666 {
1667 SetLastError(E_INVALIDARG);
1668 return NULL;
1669 }
1670
1671 ret = CertFindCertificateInStore(hCertStore,
1672 pSubjectContext->dwCertEncodingType, 0, CERT_FIND_ISSUER_OF,
1673 pSubjectContext, pPrevIssuerContext);
1674 if (ret)
1675 {
1676 if (!CertVerifySubjectCertificateContext(pSubjectContext, ret,
1677 pdwFlags))
1678 {
1679 CertFreeCertificateContext(ret);
1680 ret = NULL;
1681 }
1682 }
1683 TRACE("returning %p\n", ret);
1684 return ret;
1685 }
1686
1687 typedef struct _OLD_CERT_REVOCATION_STATUS {
1688 DWORD cbSize;
1689 DWORD dwIndex;
1690 DWORD dwError;
1691 DWORD dwReason;
1692 } OLD_CERT_REVOCATION_STATUS, *POLD_CERT_REVOCATION_STATUS;
1693
1694 typedef BOOL (WINAPI *CertVerifyRevocationFunc)(DWORD, DWORD, DWORD,
1695 void **, DWORD, PCERT_REVOCATION_PARA, PCERT_REVOCATION_STATUS);
1696
1697 BOOL WINAPI CertVerifyRevocation(DWORD dwEncodingType, DWORD dwRevType,
1698 DWORD cContext, PVOID rgpvContext[], DWORD dwFlags,
1699 PCERT_REVOCATION_PARA pRevPara, PCERT_REVOCATION_STATUS pRevStatus)
1700 {
1701 BOOL ret;
1702
1703 TRACE("(%08x, %d, %d, %p, %08x, %p, %p)\n", dwEncodingType, dwRevType,
1704 cContext, rgpvContext, dwFlags, pRevPara, pRevStatus);
1705
1706 if (pRevStatus->cbSize != sizeof(OLD_CERT_REVOCATION_STATUS) &&
1707 pRevStatus->cbSize != sizeof(CERT_REVOCATION_STATUS))
1708 {
1709 SetLastError(E_INVALIDARG);
1710 return FALSE;
1711 }
1712 if (cContext)
1713 {
1714 static HCRYPTOIDFUNCSET set = NULL;
1715 DWORD size;
1716
1717 if (!set)
1718 set = CryptInitOIDFunctionSet(CRYPT_OID_VERIFY_REVOCATION_FUNC, 0);
1719 ret = CryptGetDefaultOIDDllList(set, dwEncodingType, NULL, &size);
1720 if (ret)
1721 {
1722 if (size == 1)
1723 {
1724 /* empty list */
1725 SetLastError(CRYPT_E_NO_REVOCATION_DLL);
1726 ret = FALSE;
1727 }
1728 else
1729 {
1730 LPWSTR dllList = CryptMemAlloc(size * sizeof(WCHAR)), ptr;
1731
1732 if (dllList)
1733 {
1734 ret = CryptGetDefaultOIDDllList(set, dwEncodingType,
1735 dllList, &size);
1736 if (ret)
1737 {
1738 for (ptr = dllList; ret && *ptr;
1739 ptr += lstrlenW(ptr) + 1)
1740 {
1741 CertVerifyRevocationFunc func;
1742 HCRYPTOIDFUNCADDR hFunc;
1743
1744 ret = CryptGetDefaultOIDFunctionAddress(set,
1745 dwEncodingType, ptr, 0, (void **)&func, &hFunc);
1746 if (ret)
1747 {
1748 ret = func(dwEncodingType, dwRevType, cContext,
1749 rgpvContext, dwFlags, pRevPara, pRevStatus);
1750 CryptFreeOIDFunctionAddress(hFunc, 0);
1751 }
1752 }
1753 }
1754 CryptMemFree(dllList);
1755 }
1756 else
1757 {
1758 SetLastError(ERROR_OUTOFMEMORY);
1759 ret = FALSE;
1760 }
1761 }
1762 }
1763 }
1764 else
1765 ret = TRUE;
1766 return ret;
1767 }
1768
1769 PCRYPT_ATTRIBUTE WINAPI CertFindAttribute(LPCSTR pszObjId, DWORD cAttr,
1770 CRYPT_ATTRIBUTE rgAttr[])
1771 {
1772 PCRYPT_ATTRIBUTE ret = NULL;
1773 DWORD i;
1774
1775 TRACE("%s %d %p\n", debugstr_a(pszObjId), cAttr, rgAttr);
1776
1777 if (!cAttr)
1778 return NULL;
1779 if (!pszObjId)
1780 {
1781 SetLastError(ERROR_INVALID_PARAMETER);
1782 return NULL;
1783 }
1784
1785 for (i = 0; !ret && i < cAttr; i++)
1786 if (rgAttr[i].pszObjId && !strcmp(pszObjId, rgAttr[i].pszObjId))
1787 ret = &rgAttr[i];
1788 return ret;
1789 }
1790
1791 PCERT_EXTENSION WINAPI CertFindExtension(LPCSTR pszObjId, DWORD cExtensions,
1792 CERT_EXTENSION rgExtensions[])
1793 {
1794 PCERT_EXTENSION ret = NULL;
1795 DWORD i;
1796
1797 TRACE("%s %d %p\n", debugstr_a(pszObjId), cExtensions, rgExtensions);
1798
1799 if (!cExtensions)
1800 return NULL;
1801 if (!pszObjId)
1802 {
1803 SetLastError(ERROR_INVALID_PARAMETER);
1804 return NULL;
1805 }
1806
1807 for (i = 0; !ret && i < cExtensions; i++)
1808 if (rgExtensions[i].pszObjId && !strcmp(pszObjId,
1809 rgExtensions[i].pszObjId))
1810 ret = &rgExtensions[i];
1811 return ret;
1812 }
1813
1814 PCERT_RDN_ATTR WINAPI CertFindRDNAttr(LPCSTR pszObjId, PCERT_NAME_INFO pName)
1815 {
1816 PCERT_RDN_ATTR ret = NULL;
1817 DWORD i, j;
1818
1819 TRACE("%s %p\n", debugstr_a(pszObjId), pName);
1820
1821 if (!pszObjId)
1822 {
1823 SetLastError(ERROR_INVALID_PARAMETER);
1824 return NULL;
1825 }
1826
1827 for (i = 0; !ret && i < pName->cRDN; i++)
1828 for (j = 0; !ret && j < pName->rgRDN[i].cRDNAttr; j++)
1829 if (pName->rgRDN[i].rgRDNAttr[j].pszObjId && !strcmp(pszObjId,
1830 pName->rgRDN[i].rgRDNAttr[j].pszObjId))
1831 ret = &pName->rgRDN[i].rgRDNAttr[j];
1832 return ret;
1833 }
1834
1835 LONG WINAPI CertVerifyTimeValidity(LPFILETIME pTimeToVerify,
1836 PCERT_INFO pCertInfo)
1837 {
1838 FILETIME fileTime;
1839 LONG ret;
1840
1841 if (!pTimeToVerify)
1842 {
1843 GetSystemTimeAsFileTime(&fileTime);
1844 pTimeToVerify = &fileTime;
1845 }
1846 if ((ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotBefore)) >= 0)
1847 {
1848 ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotAfter);
1849 if (ret < 0)
1850 ret = 0;
1851 }
1852 return ret;
1853 }
1854
1855 BOOL WINAPI CertVerifyValidityNesting(PCERT_INFO pSubjectInfo,
1856 PCERT_INFO pIssuerInfo)
1857 {
1858 TRACE("(%p, %p)\n", pSubjectInfo, pIssuerInfo);
1859
1860 return CertVerifyTimeValidity(&pSubjectInfo->NotBefore, pIssuerInfo) == 0
1861 && CertVerifyTimeValidity(&pSubjectInfo->NotAfter, pIssuerInfo) == 0;
1862 }
1863
1864 BOOL WINAPI CryptHashCertificate(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
1865 DWORD dwFlags, const BYTE *pbEncoded, DWORD cbEncoded, BYTE *pbComputedHash,
1866 DWORD *pcbComputedHash)
1867 {
1868 BOOL ret = TRUE;
1869 HCRYPTHASH hHash = 0;
1870
1871 TRACE("(%08lx, %d, %08x, %p, %d, %p, %p)\n", hCryptProv, Algid, dwFlags,
1872 pbEncoded, cbEncoded, pbComputedHash, pcbComputedHash);
1873
1874 if (!hCryptProv)
1875 hCryptProv = CRYPT_GetDefaultProvider();
1876 if (!Algid)
1877 Algid = CALG_SHA1;
1878 if (ret)
1879 {
1880 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
1881 if (ret)
1882 {
1883 ret = CryptHashData(hHash, pbEncoded, cbEncoded, 0);
1884 if (ret)
1885 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
1886 pcbComputedHash, 0);
1887 CryptDestroyHash(hHash);
1888 }
1889 }
1890 return ret;
1891 }
1892
1893 BOOL WINAPI CryptHashPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
1894 DWORD dwFlags, DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo,
1895 BYTE *pbComputedHash, DWORD *pcbComputedHash)
1896 {
1897 BOOL ret = TRUE;
1898 HCRYPTHASH hHash = 0;
1899
1900 TRACE("(%08lx, %d, %08x, %d, %p, %p, %p)\n", hCryptProv, Algid, dwFlags,
1901 dwCertEncodingType, pInfo, pbComputedHash, pcbComputedHash);
1902
1903 if (!hCryptProv)
1904 hCryptProv = CRYPT_GetDefaultProvider();
1905 if (!Algid)
1906 Algid = CALG_MD5;
1907 if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING)
1908 {
1909 SetLastError(ERROR_FILE_NOT_FOUND);
1910 return FALSE;
1911 }
1912 if (ret)
1913 {
1914 BYTE *buf;
1915 DWORD size = 0;
1916
1917 ret = CRYPT_AsnEncodePubKeyInfoNoNull(dwCertEncodingType,
1918 X509_PUBLIC_KEY_INFO, pInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
1919 (LPBYTE)&buf, &size);
1920 if (ret)
1921 {
1922 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
1923 if (ret)
1924 {
1925 ret = CryptHashData(hHash, buf, size, 0);
1926 if (ret)
1927 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
1928 pcbComputedHash, 0);
1929 CryptDestroyHash(hHash);
1930 }
1931 LocalFree(buf);
1932 }
1933 }
1934 return ret;
1935 }
1936
1937 BOOL WINAPI CryptHashToBeSigned(HCRYPTPROV_LEGACY hCryptProv,
1938 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
1939 BYTE *pbComputedHash, DWORD *pcbComputedHash)
1940 {
1941 BOOL ret;
1942 CERT_SIGNED_CONTENT_INFO *info;
1943 DWORD size;
1944
1945 TRACE("(%08lx, %08x, %p, %d, %p, %d)\n", hCryptProv, dwCertEncodingType,
1946 pbEncoded, cbEncoded, pbComputedHash, *pcbComputedHash);
1947
1948 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
1949 pbEncoded, cbEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size);
1950 if (ret)
1951 {
1952 PCCRYPT_OID_INFO oidInfo;
1953 HCRYPTHASH hHash;
1954
1955 if (!hCryptProv)
1956 hCryptProv = CRYPT_GetDefaultProvider();
1957 oidInfo = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
1958 info->SignatureAlgorithm.pszObjId, 0);
1959 if (!oidInfo)
1960 {
1961 SetLastError(NTE_BAD_ALGID);
1962 ret = FALSE;
1963 }
1964 else
1965 {
1966 ret = CryptCreateHash(hCryptProv, oidInfo->u.Algid, 0, 0, &hHash);
1967 if (ret)
1968 {
1969 ret = CryptHashData(hHash, info->ToBeSigned.pbData,
1970 info->ToBeSigned.cbData, 0);
1971 if (ret)
1972 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
1973 pcbComputedHash, 0);
1974 CryptDestroyHash(hHash);
1975 }
1976 }
1977 LocalFree(info);
1978 }
1979 return ret;
1980 }
1981
1982 BOOL WINAPI CryptSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
1983 DWORD dwKeySpec, DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
1984 DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
1985 const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
1986 {
1987 BOOL ret;
1988 PCCRYPT_OID_INFO info;
1989 HCRYPTHASH hHash;
1990
1991 TRACE("(%08lx, %d, %d, %p, %d, %p, %p, %p, %p)\n", hCryptProv,
1992 dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
1993 pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
1994
1995 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
1996 pSignatureAlgorithm->pszObjId, 0);
1997 if (!info)
1998 {
1999 SetLastError(NTE_BAD_ALGID);
2000 return FALSE;
2001 }
2002 if (info->dwGroupId == CRYPT_HASH_ALG_OID_GROUP_ID)
2003 {
2004 if (!hCryptProv)
2005 hCryptProv = CRYPT_GetDefaultProvider();
2006 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2007 if (ret)
2008 {
2009 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2010 cbEncodedToBeSigned, 0);
2011 if (ret)
2012 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbSignature,
2013 pcbSignature, 0);
2014 CryptDestroyHash(hHash);
2015 }
2016 }
2017 else
2018 {
2019 if (!hCryptProv)
2020 {
2021 SetLastError(ERROR_INVALID_PARAMETER);
2022 ret = FALSE;
2023 }
2024 else
2025 {
2026 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2027 if (ret)
2028 {
2029 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2030 cbEncodedToBeSigned, 0);
2031 if (ret)
2032 ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
2033 pcbSignature);
2034 CryptDestroyHash(hHash);
2035 }
2036 }
2037 }
2038 return ret;
2039 }
2040
2041 BOOL WINAPI CryptSignAndEncodeCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
2042 DWORD dwKeySpec, DWORD dwCertEncodingType, LPCSTR lpszStructType,
2043 const void *pvStructInfo, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
2044 const void *pvHashAuxInfo, BYTE *pbEncoded, DWORD *pcbEncoded)
2045 {
2046 BOOL ret;
2047 DWORD encodedSize, hashSize;
2048
2049 TRACE("(%08lx, %d, %d, %s, %p, %p, %p, %p, %p)\n", hCryptProv, dwKeySpec,
2050 dwCertEncodingType, debugstr_a(lpszStructType), pvStructInfo,
2051 pSignatureAlgorithm, pvHashAuxInfo, pbEncoded, pcbEncoded);
2052
2053 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType, pvStructInfo,
2054 NULL, &encodedSize);
2055 if (ret)
2056 {
2057 PBYTE encoded = CryptMemAlloc(encodedSize);
2058
2059 if (encoded)
2060 {
2061 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType,
2062 pvStructInfo, encoded, &encodedSize);
2063 if (ret)
2064 {
2065 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2066 dwCertEncodingType, encoded, encodedSize, pSignatureAlgorithm,
2067 pvHashAuxInfo, NULL, &hashSize);
2068 if (ret)
2069 {
2070 PBYTE hash = CryptMemAlloc(hashSize);
2071
2072 if (hash)
2073 {
2074 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2075 dwCertEncodingType, encoded, encodedSize,
2076 pSignatureAlgorithm, pvHashAuxInfo, hash, &hashSize);
2077 if (ret)
2078 {
2079 CERT_SIGNED_CONTENT_INFO info = { { 0 } };
2080
2081 info.ToBeSigned.cbData = encodedSize;
2082 info.ToBeSigned.pbData = encoded;
2083 memcpy(&info.SignatureAlgorithm,
2084 pSignatureAlgorithm,
2085 sizeof(info.SignatureAlgorithm));
2086 info.Signature.cbData = hashSize;
2087 info.Signature.pbData = hash;
2088 info.Signature.cUnusedBits = 0;
2089 ret = CryptEncodeObject(dwCertEncodingType,
2090 X509_CERT, &info, pbEncoded, pcbEncoded);
2091 }
2092 CryptMemFree(hash);
2093 }
2094 }
2095 }
2096 CryptMemFree(encoded);
2097 }
2098 }
2099 return ret;
2100 }
2101
2102 BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV_LEGACY hCryptProv,
2103 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
2104 PCERT_PUBLIC_KEY_INFO pPublicKey)
2105 {
2106 return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
2107 CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, (void *)pbEncoded,
2108 CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
2109 }
2110
2111 static BOOL CRYPT_VerifyCertSignatureFromPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv,
2112 DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pubKeyInfo,
2113 const CERT_SIGNED_CONTENT_INFO *signedCert)
2114 {
2115 BOOL ret;
2116 HCRYPTKEY key;
2117 PCCRYPT_OID_INFO info;
2118 ALG_ID pubKeyID, hashID;
2119
2120 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2121 signedCert->SignatureAlgorithm.pszObjId, 0);
2122 if (!info || info->dwGroupId != CRYPT_SIGN_ALG_OID_GROUP_ID)
2123 {
2124 SetLastError(NTE_BAD_ALGID);
2125 return FALSE;
2126 }
2127 hashID = info->u.Algid;
2128 if (info->ExtraInfo.cbData >= sizeof(ALG_ID))
2129 pubKeyID = *(ALG_ID *)info->ExtraInfo.pbData;
2130 else
2131 pubKeyID = hashID;
2132 /* Load the default provider if necessary */
2133 if (!hCryptProv)
2134 hCryptProv = CRYPT_GetDefaultProvider();
2135 ret = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType,
2136 pubKeyInfo, pubKeyID, 0, NULL, &key);
2137 if (ret)
2138 {
2139 HCRYPTHASH hash;
2140
2141 ret = CryptCreateHash(hCryptProv, hashID, 0, 0, &hash);
2142 if (ret)
2143 {
2144 ret = CryptHashData(hash, signedCert->ToBeSigned.pbData,
2145 signedCert->ToBeSigned.cbData, 0);
2146 if (ret)
2147 ret = CryptVerifySignatureW(hash, signedCert->Signature.pbData,
2148 signedCert->Signature.cbData, key, NULL, 0);
2149 CryptDestroyHash(hash);
2150 }
2151 CryptDestroyKey(key);
2152 }
2153 return ret;
2154 }
2155
2156 BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV_LEGACY hCryptProv,
2157 DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
2158 DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
2159 {
2160 BOOL ret = TRUE;
2161 CRYPT_DATA_BLOB subjectBlob;
2162
2163 TRACE("(%08lx, %d, %d, %p, %d, %p, %08x, %p)\n", hCryptProv,
2164 dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
2165 dwFlags, pvReserved);
2166
2167 switch (dwSubjectType)
2168 {
2169 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
2170 {
2171 PCRYPT_DATA_BLOB blob = pvSubject;
2172
2173 subjectBlob.pbData = blob->pbData;
2174 subjectBlob.cbData = blob->cbData;
2175 break;
2176 }
2177 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
2178 {
2179 PCERT_CONTEXT context = pvSubject;
2180
2181 subjectBlob.pbData = context->pbCertEncoded;
2182 subjectBlob.cbData = context->cbCertEncoded;
2183 break;
2184 }
2185 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
2186 {
2187 PCRL_CONTEXT context = pvSubject;
2188
2189 subjectBlob.pbData = context->pbCrlEncoded;
2190 subjectBlob.cbData = context->cbCrlEncoded;
2191 break;
2192 }
2193 default:
2194 SetLastError(E_INVALIDARG);
2195 ret = FALSE;
2196 }
2197
2198 if (ret)
2199 {
2200 PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
2201 DWORD size = 0;
2202
2203 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
2204 subjectBlob.pbData, subjectBlob.cbData,
2205 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
2206 &signedCert, &size);
2207 if (ret)
2208 {
2209 switch (dwIssuerType)
2210 {
2211 case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
2212 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2213 dwCertEncodingType, pvIssuer,
2214 signedCert);
2215 break;
2216 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
2217 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2218 dwCertEncodingType,
2219 &((PCCERT_CONTEXT)pvIssuer)->pCertInfo->SubjectPublicKeyInfo,
2220 signedCert);
2221 break;
2222 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
2223 FIXME("CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN: stub\n");
2224 ret = FALSE;
2225 break;
2226 case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
2227 if (pvIssuer)
2228 {
2229 SetLastError(E_INVALIDARG);
2230 ret = FALSE;
2231 }
2232 else
2233 {
2234 FIXME("unimplemented for NULL signer\n");
2235 SetLastError(E_INVALIDARG);
2236 ret = FALSE;
2237 }
2238 break;
2239 default:
2240 SetLastError(E_INVALIDARG);
2241 ret = FALSE;
2242 }
2243 LocalFree(signedCert);
2244 }
2245 }
2246 return ret;
2247 }
2248
2249 BOOL WINAPI CertGetIntendedKeyUsage(DWORD dwCertEncodingType,
2250 PCERT_INFO pCertInfo, BYTE *pbKeyUsage, DWORD cbKeyUsage)
2251 {
2252 PCERT_EXTENSION ext;
2253 BOOL ret = FALSE;
2254
2255 TRACE("(%08x, %p, %p, %d)\n", dwCertEncodingType, pCertInfo, pbKeyUsage,
2256 cbKeyUsage);
2257
2258 ext = CertFindExtension(szOID_KEY_USAGE, pCertInfo->cExtension,
2259 pCertInfo->rgExtension);
2260 if (ext)
2261 {
2262 CRYPT_BIT_BLOB usage;
2263 DWORD size = sizeof(usage);
2264
2265 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_BITS,
2266 ext->Value.pbData, ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL,
2267 &usage, &size);
2268 if (ret)
2269 {
2270 if (cbKeyUsage < usage.cbData)
2271 ret = FALSE;
2272 else
2273 {
2274 memcpy(pbKeyUsage, usage.pbData, usage.cbData);
2275 if (cbKeyUsage > usage.cbData)
2276 memset(pbKeyUsage + usage.cbData, 0,
2277 cbKeyUsage - usage.cbData);
2278 }
2279 }
2280 }
2281 else
2282 SetLastError(0);
2283 return ret;
2284 }
2285
2286 BOOL WINAPI CertGetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext, DWORD dwFlags,
2287 PCERT_ENHKEY_USAGE pUsage, DWORD *pcbUsage)
2288 {
2289 PCERT_ENHKEY_USAGE usage = NULL;
2290 DWORD bytesNeeded;
2291 BOOL ret = TRUE;
2292
2293 if (!pCertContext || !pcbUsage)
2294 {
2295 SetLastError(ERROR_INVALID_PARAMETER);
2296 return FALSE;
2297 }
2298
2299 TRACE("(%p, %08x, %p, %d)\n", pCertContext, dwFlags, pUsage, *pcbUsage);
2300
2301 if (!(dwFlags & CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG))
2302 {
2303 DWORD propSize = 0;
2304
2305 if (CertGetCertificateContextProperty(pCertContext,
2306 CERT_ENHKEY_USAGE_PROP_ID, NULL, &propSize))
2307 {
2308 LPBYTE buf = CryptMemAlloc(propSize);
2309
2310 if (buf)
2311 {
2312 if (CertGetCertificateContextProperty(pCertContext,
2313 CERT_ENHKEY_USAGE_PROP_ID, buf, &propSize))
2314 {
2315 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2316 X509_ENHANCED_KEY_USAGE, buf, propSize,
2317 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2318 }
2319 CryptMemFree(buf);
2320 }
2321 }
2322 }
2323 if (!usage && !(dwFlags & CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG))
2324 {
2325 PCERT_EXTENSION ext = CertFindExtension(szOID_ENHANCED_KEY_USAGE,
2326 pCertContext->pCertInfo->cExtension,
2327 pCertContext->pCertInfo->rgExtension);
2328
2329 if (ext)
2330 {
2331 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2332 X509_ENHANCED_KEY_USAGE, ext->Value.pbData, ext->Value.cbData,
2333 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2334 }
2335 }
2336 if (!usage)
2337 {
2338 /* If a particular location is specified, this should fail. Otherwise
2339 * it should succeed with an empty usage. (This is true on Win2k and
2340 * later, which we emulate.)
2341 */
2342 if (dwFlags)
2343 {
2344 SetLastError(CRYPT_E_NOT_FOUND);
2345 ret = FALSE;
2346 }
2347 else
2348 bytesNeeded = sizeof(CERT_ENHKEY_USAGE);
2349 }
2350
2351 if (ret)
2352 {
2353 if (!pUsage)
2354 *pcbUsage = bytesNeeded;
2355 else if (*pcbUsage < bytesNeeded)
2356 {
2357 SetLastError(ERROR_MORE_DATA);
2358 *pcbUsage = bytesNeeded;
2359 ret = FALSE;
2360 }
2361 else
2362 {
2363 *pcbUsage = bytesNeeded;
2364 if (usage)
2365 {
2366 DWORD i;
2367 LPSTR nextOID = (LPSTR)((LPBYTE)pUsage +
2368 sizeof(CERT_ENHKEY_USAGE) +
2369 usage->cUsageIdentifier * sizeof(LPSTR));
2370
2371 pUsage->cUsageIdentifier = usage->cUsageIdentifier;
2372 pUsage->rgpszUsageIdentifier = (LPSTR *)((LPBYTE)pUsage +
2373 sizeof(CERT_ENHKEY_USAGE));
2374 for (i = 0; i < usage->cUsageIdentifier; i++)
2375 {
2376 pUsage->rgpszUsageIdentifier[i] = nextOID;
2377 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2378 nextOID += strlen(nextOID) + 1;
2379 }
2380 }
2381 else
2382 pUsage->cUsageIdentifier = 0;
2383 }
2384 }
2385 if (usage)
2386 LocalFree(usage);
2387 TRACE("returning %d\n", ret);
2388 return ret;
2389 }
2390
2391 BOOL WINAPI CertSetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext,
2392 PCERT_ENHKEY_USAGE pUsage)
2393 {
2394 BOOL ret;
2395
2396 TRACE("(%p, %p)\n", pCertContext, pUsage);
2397
2398 if (pUsage)
2399 {
2400 CRYPT_DATA_BLOB blob = { 0, NULL };
2401
2402 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_ENHANCED_KEY_USAGE,
2403 pUsage, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData, &blob.cbData);
2404 if (ret)
2405 {
2406 ret = CertSetCertificateContextProperty(pCertContext,
2407 CERT_ENHKEY_USAGE_PROP_ID, 0, &blob);
2408 LocalFree(blob.pbData);
2409 }
2410 }
2411 else
2412 ret = CertSetCertificateContextProperty(pCertContext,
2413 CERT_ENHKEY_USAGE_PROP_ID, 0, NULL);
2414 return ret;
2415 }
2416
2417 BOOL WINAPI CertAddEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2418 LPCSTR pszUsageIdentifier)
2419 {
2420 BOOL ret;
2421 DWORD size;
2422
2423 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2424
2425 if (CertGetEnhancedKeyUsage(pCertContext,
2426 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, NULL, &size))
2427 {
2428 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(size);
2429
2430 if (usage)
2431 {
2432 ret = CertGetEnhancedKeyUsage(pCertContext,
2433 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, usage, &size);
2434 if (ret)
2435 {
2436 DWORD i;
2437 BOOL exists = FALSE;
2438
2439 /* Make sure usage doesn't already exist */
2440 for (i = 0; !exists && i < usage->cUsageIdentifier; i++)
2441 {
2442 if (!strcmp(usage->rgpszUsageIdentifier[i],
2443 pszUsageIdentifier))
2444 exists = TRUE;
2445 }
2446 if (!exists)
2447 {
2448 PCERT_ENHKEY_USAGE newUsage = CryptMemAlloc(size +
2449 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2450
2451 if (newUsage)
2452 {
2453 LPSTR nextOID;
2454
2455 newUsage->rgpszUsageIdentifier = (LPSTR *)
2456 ((LPBYTE)newUsage + sizeof(CERT_ENHKEY_USAGE));
2457 nextOID = (LPSTR)((LPBYTE)newUsage->rgpszUsageIdentifier
2458 + (usage->cUsageIdentifier + 1) * sizeof(LPSTR));
2459 for (i = 0; i < usage->cUsageIdentifier; i++)
2460 {
2461 newUsage->rgpszUsageIdentifier[i] = nextOID;
2462 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2463 nextOID += strlen(nextOID) + 1;
2464 }
2465 newUsage->rgpszUsageIdentifier[i] = nextOID;
2466 strcpy(nextOID, pszUsageIdentifier);
2467 newUsage->cUsageIdentifier = i + 1;
2468 ret = CertSetEnhancedKeyUsage(pCertContext, newUsage);
2469 CryptMemFree(newUsage);
2470 }
2471 else
2472 ret = FALSE;
2473 }
2474 }
2475 CryptMemFree(usage);
2476 }
2477 else
2478 ret = FALSE;
2479 }
2480 else
2481 {
2482 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(sizeof(CERT_ENHKEY_USAGE) +
2483 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2484
2485 if (usage)
2486 {
2487 usage->rgpszUsageIdentifier =
2488 (LPSTR *)((LPBYTE)usage + sizeof(CERT_ENHKEY_USAGE));
2489 usage->rgpszUsageIdentifier[0] = (LPSTR)((LPBYTE)usage +
2490 sizeof(CERT_ENHKEY_USAGE) + sizeof(LPSTR));
2491 strcpy(usage->rgpszUsageIdentifier[0], pszUsageIdentifier);
2492 usage->cUsageIdentifier = 1;
2493 ret = CertSetEnhancedKeyUsage(pCertContext, usage);
2494 CryptMemFree(usage);
2495 }
2496 else
2497 ret = FALSE;
2498 }
2499 return ret;
2500 }
2501
2502 BOOL WINAPI CertRemoveEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2503 LPCSTR pszUsageIdentifier)
2504 {
2505 BOOL ret;
2506 DWORD size;
2507 CERT_ENHKEY_USAGE usage;
2508
2509 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2510
2511 size = sizeof(usage);
2512 ret = CertGetEnhancedKeyUsage(pCertContext,
2513 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, &usage, &size);
2514 if (!ret && GetLastError() == ERROR_MORE_DATA)
2515 {
2516 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2517
2518 if (pUsage)
2519 {
2520 ret = CertGetEnhancedKeyUsage(pCertContext,
2521 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, pUsage, &size);
2522 if (ret)
2523 {
2524 if (pUsage->cUsageIdentifier)
2525 {
2526 DWORD i;
2527 BOOL found = FALSE;
2528
2529 for (i = 0; i < pUsage->cUsageIdentifier; i++)
2530 {
2531 if (!strcmp(pUsage->rgpszUsageIdentifier[i],
2532 pszUsageIdentifier))
2533 found = TRUE;
2534 if (found && i < pUsage->cUsageIdentifier - 1)
2535 pUsage->rgpszUsageIdentifier[i] =
2536 pUsage->rgpszUsageIdentifier[i + 1];
2537 }
2538 pUsage->cUsageIdentifier--;
2539 /* Remove the usage if it's empty */
2540 if (pUsage->cUsageIdentifier)
2541 ret = CertSetEnhancedKeyUsage(pCertContext, pUsage);
2542 else
2543 ret = CertSetEnhancedKeyUsage(pCertContext, NULL);
2544 }
2545 }
2546 CryptMemFree(pUsage);
2547 }
2548 else
2549 ret = FALSE;
2550 }
2551 else
2552 {
2553 /* it fit in an empty usage, therefore there's nothing to remove */
2554 ret = TRUE;
2555 }
2556 return ret;
2557 }
2558
2559 struct BitField
2560 {
2561 DWORD cIndexes;
2562 DWORD *indexes;
2563 };
2564
2565 #define BITS_PER_DWORD (sizeof(DWORD) * 8)
2566
2567 static void CRYPT_SetBitInField(struct BitField *field, DWORD bit)
2568 {
2569 DWORD indexIndex = bit / BITS_PER_DWORD;
2570
2571 if (indexIndex + 1 > field->cIndexes)
2572 {
2573 if (field->cIndexes)
2574 field->indexes = CryptMemRealloc(field->indexes,
2575 (indexIndex + 1) * sizeof(DWORD));
2576 else
2577 field->indexes = CryptMemAlloc(sizeof(DWORD));
2578 if (field->indexes)
2579 {
2580 field->indexes[indexIndex] = 0;
2581 field->cIndexes = indexIndex + 1;
2582 }
2583 }
2584 if (field->indexes)
2585 field->indexes[indexIndex] |= 1 << (bit % BITS_PER_DWORD);
2586 }
2587
2588 static BOOL CRYPT_IsBitInFieldSet(const struct BitField *field, DWORD bit)
2589 {
2590 BOOL set = FALSE;
2591 DWORD indexIndex = bit / BITS_PER_DWORD;
2592
2593 assert(field->cIndexes);
2594 set = field->indexes[indexIndex] & (1 << (bit % BITS_PER_DWORD));
2595 return set;
2596 }
2597
2598 BOOL WINAPI CertGetValidUsages(DWORD cCerts, PCCERT_CONTEXT *rghCerts,
2599 int *cNumOIDs, LPSTR *rghOIDs, DWORD *pcbOIDs)
2600 {
2601 BOOL ret = TRUE;
2602 DWORD i, cbOIDs = 0;
2603 BOOL allUsagesValid = TRUE;
2604 CERT_ENHKEY_USAGE validUsages = { 0, NULL };
2605
2606 TRACE("(%d, %p, %d, %p, %d)\n", cCerts, rghCerts, *cNumOIDs,
2607 rghOIDs, *pcbOIDs);
2608
2609 for (i = 0; i < cCerts; i++)
2610 {
2611 CERT_ENHKEY_USAGE usage;
2612 DWORD size = sizeof(usage);
2613
2614 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, &usage, &size);
2615 /* Success is deliberately ignored: it implies all usages are valid */
2616 if (!ret && GetLastError() == ERROR_MORE_DATA)
2617 {
2618 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2619
2620 allUsagesValid = FALSE;
2621 if (pUsage)
2622 {
2623 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, pUsage, &size);
2624 if (ret)
2625 {
2626 if (!validUsages.cUsageIdentifier)
2627 {
2628 DWORD j;
2629
2630 cbOIDs = pUsage->cUsageIdentifier * sizeof(LPSTR);
2631 validUsages.cUsageIdentifier = pUsage->cUsageIdentifier;
2632 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2633 cbOIDs += lstrlenA(pUsage->rgpszUsageIdentifier[j])
2634 + 1;
2635 validUsages.rgpszUsageIdentifier =
2636 CryptMemAlloc(cbOIDs);
2637 if (validUsages.rgpszUsageIdentifier)
2638 {
2639 LPSTR nextOID = (LPSTR)
2640 ((LPBYTE)validUsages.rgpszUsageIdentifier +
2641 validUsages.cUsageIdentifier * sizeof(LPSTR));
2642
2643 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2644 {
2645 validUsages.rgpszUsageIdentifier[j] = nextOID;
2646 lstrcpyA(validUsages.rgpszUsageIdentifier[j],
2647 pUsage->rgpszUsageIdentifier[j]);
2648 nextOID += lstrlenA(nextOID) + 1;
2649 }
2650 }
2651 }
2652 else
2653 {
2654 struct BitField validIndexes = { 0, NULL };
2655 DWORD j, k, numRemoved = 0;
2656
2657 /* Merge: build a bitmap of all the indexes of
2658 * validUsages.rgpszUsageIdentifier that are in pUsage.
2659 */
2660 for (j = 0; j < pUsage->cUsageIdentifier; j++)
2661 {
2662 for (k = 0; k < validUsages.cUsageIdentifier; k++)
2663 {
2664 if (!strcmp(pUsage->rgpszUsageIdentifier[j],
2665 validUsages.rgpszUsageIdentifier[k]))
2666 {
2667 CRYPT_SetBitInField(&validIndexes, k);
2668 break;
2669 }
2670 }
2671 }
2672 /* Merge by removing from validUsages those that are
2673 * not in the bitmap.
2674 */
2675 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2676 {
2677 if (!CRYPT_IsBitInFieldSet(&validIndexes, j))
2678 {
2679 if (j < validUsages.cUsageIdentifier - 1)
2680 {
2681 memmove(&validUsages.rgpszUsageIdentifier[j],
2682 &validUsages.rgpszUsageIdentifier[j +
2683 numRemoved + 1],
2684 (validUsages.cUsageIdentifier - numRemoved
2685 - j - 1) * sizeof(LPSTR));
2686 cbOIDs -= lstrlenA(
2687 validUsages.rgpszUsageIdentifier[j]) + 1 +
2688 sizeof(LPSTR);
2689 validUsages.cUsageIdentifier--;
2690 numRemoved++;
2691 }
2692 else
2693 validUsages.cUsageIdentifier--;
2694 }
2695 }
2696 CryptMemFree(validIndexes.indexes);
2697 }
2698 }
2699 CryptMemFree(pUsage);
2700 }
2701 }
2702 }
2703 ret = TRUE;
2704 if (allUsagesValid)
2705 {
2706 *cNumOIDs = -1;
2707 *pcbOIDs = 0;
2708 }
2709 else
2710 {
2711 *cNumOIDs = validUsages.cUsageIdentifier;
2712 if (!rghOIDs)
2713 *pcbOIDs = cbOIDs;
2714 else if (*pcbOIDs < cbOIDs)
2715 {
2716 *pcbOIDs = cbOIDs;
2717 SetLastError(ERROR_MORE_DATA);
2718 ret = FALSE;
2719 }
2720 else
2721 {
2722 LPSTR nextOID = (LPSTR)((LPBYTE)rghOIDs +
2723 validUsages.cUsageIdentifier * sizeof(LPSTR));
2724
2725 *pcbOIDs = cbOIDs;
2726 for (i = 0; i < validUsages.cUsageIdentifier; i++)
2727 {
2728 rghOIDs[i] = nextOID;
2729 lstrcpyA(nextOID, validUsages.rgpszUsageIdentifier[i]);
2730 nextOID += lstrlenA(nextOID) + 1;
2731 }
2732 }
2733 }
2734 CryptMemFree(validUsages.rgpszUsageIdentifier);
2735 TRACE("cNumOIDs: %d\n", *cNumOIDs);
2736 TRACE("returning %d\n", ret);
2737 return ret;
2738 }
2739
2740 /* Sets the CERT_KEY_PROV_INFO_PROP_ID property of context from pInfo, or, if
2741 * pInfo is NULL, from the attributes of hProv.
2742 */
2743 static void CertContext_SetKeyProvInfo(PCCERT_CONTEXT context,
2744 const CRYPT_KEY_PROV_INFO *pInfo, HCRYPTPROV hProv)
2745 {
2746 CRYPT_KEY_PROV_INFO info = { 0 };
2747 BOOL ret;
2748
2749 if (!pInfo)
2750 {
2751 DWORD size;
2752 int len;
2753
2754 ret = CryptGetProvParam(hProv, PP_CONTAINER, NULL, &size, 0);
2755 if (ret)
2756 {
2757 LPSTR szContainer = CryptMemAlloc(size);
2758
2759 if (szContainer)
2760 {
2761 ret = CryptGetProvParam(hProv, PP_CONTAINER,
2762 (BYTE *)szContainer, &size, 0);
2763 if (ret)
2764 {
2765 len = MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
2766 NULL, 0);
2767 if (len)
2768 {
2769 info.pwszContainerName = CryptMemAlloc(len *
2770 sizeof(WCHAR));
2771 len = MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
2772 info.pwszContainerName, len);
2773 }
2774 }
2775 CryptMemFree(szContainer);
2776 }
2777 }
2778 ret = CryptGetProvParam(hProv, PP_NAME, NULL, &size, 0);
2779 if (ret)
2780 {
2781 LPSTR szProvider = CryptMemAlloc(size);
2782
2783 if (szProvider)
2784 {
2785 ret = CryptGetProvParam(hProv, PP_NAME, (BYTE *)szProvider,
2786 &size, 0);
2787 if (ret)
2788 {
2789 len = MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
2790 NULL, 0);
2791 if (len)
2792 {
2793 info.pwszProvName = CryptMemAlloc(len *
2794 sizeof(WCHAR));
2795 len = MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
2796 info.pwszProvName, len);
2797 }
2798 }
2799 CryptMemFree(szProvider);
2800 }
2801 }
2802 size = sizeof(info.dwKeySpec);
2803 /* in case no CRYPT_KEY_PROV_INFO given,
2804 * we always use AT_SIGNATURE key spec
2805 */
2806 info.dwKeySpec = AT_SIGNATURE;
2807 size = sizeof(info.dwProvType);
2808 ret = CryptGetProvParam(hProv, PP_PROVTYPE, (LPBYTE)&info.dwProvType,
2809 &size, 0);
2810 if (!ret)
2811 info.dwProvType = PROV_RSA_FULL;
2812 pInfo = &info;
2813 }
2814
2815 ret = CertSetCertificateContextProperty(context, CERT_KEY_PROV_INFO_PROP_ID,
2816 0, pInfo);
2817
2818 if (pInfo == &info)
2819 {
2820 CryptMemFree(info.pwszContainerName);
2821 CryptMemFree(info.pwszProvName);
2822 }
2823 }
2824
2825 /* Creates a signed certificate context from the unsigned, encoded certificate
2826 * in blob, using the crypto provider hProv and the signature algorithm sigAlgo.
2827 */
2828 static PCCERT_CONTEXT CRYPT_CreateSignedCert(const CRYPT_DER_BLOB *blob,
2829 HCRYPTPROV hProv, DWORD dwKeySpec, PCRYPT_ALGORITHM_IDENTIFIER sigAlgo)
2830 {
2831 PCCERT_CONTEXT context = NULL;
2832 BOOL ret;
2833 DWORD sigSize = 0;
2834
2835 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
2836 blob->pbData, blob->cbData, sigAlgo, NULL, NULL, &sigSize);
2837 if (ret)
2838 {
2839 LPBYTE sig = CryptMemAlloc(sigSize);
2840
2841 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
2842 blob->pbData, blob->cbData, sigAlgo, NULL, sig, &sigSize);
2843 if (ret)
2844 {
2845 CERT_SIGNED_CONTENT_INFO signedInfo;
2846 BYTE *encodedSignedCert = NULL;
2847 DWORD encodedSignedCertSize = 0;
2848
2849 signedInfo.ToBeSigned.cbData = blob->cbData;
2850 signedInfo.ToBeSigned.pbData = blob->pbData;
2851 memcpy(&signedInfo.SignatureAlgorithm, sigAlgo,
2852 sizeof(signedInfo.SignatureAlgorithm));
2853 signedInfo.Signature.cbData = sigSize;
2854 signedInfo.Signature.pbData = sig;
2855 signedInfo.Signature.cUnusedBits = 0;
2856 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT,
2857 &signedInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
2858 &encodedSignedCert, &encodedSignedCertSize);
2859 if (ret)
2860 {
2861 context = CertCreateCertificateContext(X509_ASN_ENCODING,
2862 encodedSignedCert, encodedSignedCertSize);
2863 LocalFree(encodedSignedCert);
2864 }
2865 }
2866 CryptMemFree(sig);
2867 }
2868 return context;
2869 }
2870
2871 /* Copies data from the parameters into info, where:
2872 * pSerialNumber: The serial number. Must not be NULL.
2873 * pSubjectIssuerBlob: Specifies both the subject and issuer for info.
2874 * Must not be NULL
2875 * pSignatureAlgorithm: Optional.
2876 * pStartTime: The starting time of the certificate. If NULL, the current
2877 * system time is used.
2878 * pEndTime: The ending time of the certificate. If NULL, one year past the
2879 * starting time is used.
2880 * pubKey: The public key of the certificate. Must not be NULL.
2881 * pExtensions: Extensions to be included with the certificate. Optional.
2882 */
2883 static void CRYPT_MakeCertInfo(PCERT_INFO info, const CRYPT_DATA_BLOB *pSerialNumber,
2884 const CERT_NAME_BLOB *pSubjectIssuerBlob,
2885 const CRYPT_ALGORITHM_IDENTIFIER *pSignatureAlgorithm, const SYSTEMTIME *pStartTime,
2886 const SYSTEMTIME *pEndTime, const CERT_PUBLIC_KEY_INFO *pubKey,
2887 const CERT_EXTENSIONS *pExtensions)
2888 {
2889 static CHAR oid[] = szOID_RSA_SHA1RSA;
2890
2891 assert(info);
2892 assert(pSerialNumber);
2893 assert(pSubjectIssuerBlob);
2894 assert(pubKey);
2895
2896 if (pExtensions && pExtensions->cExtension)
2897 info->dwVersion = CERT_V3;
2898 else
2899 info->dwVersion = CERT_V1;
2900 info->SerialNumber.cbData = pSerialNumber->cbData;
2901 info->SerialNumber.pbData = pSerialNumber->pbData;
2902 if (pSignatureAlgorithm)
2903 memcpy(&info->SignatureAlgorithm, pSignatureAlgorithm,
2904 sizeof(info->SignatureAlgorithm));
2905 else
2906 {
2907 info->SignatureAlgorithm.pszObjId = oid;
2908 info->SignatureAlgorithm.Parameters.cbData = 0;
2909 info->SignatureAlgorithm.Parameters.pbData = NULL;
2910 }
2911 info->Issuer.cbData = pSubjectIssuerBlob->cbData;
2912 info->Issuer.pbData = pSubjectIssuerBlob->pbData;
2913 if (pStartTime)
2914 SystemTimeToFileTime(pStartTime, &info->NotBefore);
2915 else
2916 GetSystemTimeAsFileTime(&info->NotBefore);
2917 if (pEndTime)
2918 SystemTimeToFileTime(pEndTime, &info->NotAfter);
2919 else
2920 {
2921 SYSTEMTIME endTime;
2922
2923 if (FileTimeToSystemTime(&info->NotBefore, &endTime))
2924 {
2925 endTime.wYear++;
2926 SystemTimeToFileTime(&endTime, &info->NotAfter);
2927 }
2928 }
2929 info->Subject.cbData = pSubjectIssuerBlob->cbData;
2930 info->Subject.pbData = pSubjectIssuerBlob->pbData;
2931 memcpy(&info->SubjectPublicKeyInfo, pubKey,
2932 sizeof(info->SubjectPublicKeyInfo));
2933 if (pExtensions)
2934 {
2935 info->cExtension = pExtensions->cExtension;
2936 info->rgExtension = pExtensions->rgExtension;
2937 }
2938 else
2939 {
2940 info->cExtension = 0;
2941 info->rgExtension = NULL;
2942 }
2943 }
2944
2945 typedef RPC_STATUS (RPC_ENTRY *UuidCreateFunc)(UUID *);
2946 typedef RPC_STATUS (RPC_ENTRY *UuidToStringFunc)(UUID *, unsigned char **);
2947 typedef RPC_STATUS (RPC_ENTRY *RpcStringFreeFunc)(unsigned char **);
2948
2949 static HCRYPTPROV CRYPT_CreateKeyProv(void)
2950 {
2951 HCRYPTPROV hProv = 0;
2952 HMODULE rpcrt = LoadLibraryA("rpcrt4");
2953
2954 if (rpcrt)
2955 {
2956 UuidCreateFunc uuidCreate = (UuidCreateFunc)GetProcAddress(rpcrt,
2957 "UuidCreate");
2958 UuidToStringFunc uuidToString = (UuidToStringFunc)GetProcAddress(rpcrt,
2959 "UuidToStringA");
2960 RpcStringFreeFunc rpcStringFree = (RpcStringFreeFunc)GetProcAddress(
2961 rpcrt, "RpcStringFreeA");
2962
2963 if (uuidCreate && uuidToString && rpcStringFree)
2964 {
2965 UUID uuid;
2966 RPC_STATUS status = uuidCreate(&uuid);
2967
2968 if (status == RPC_S_OK || status == RPC_S_UUID_LOCAL_ONLY)
2969 {
2970 unsigned char *uuidStr;
2971
2972 status = uuidToString(&uuid, &uuidStr);
2973 if (status == RPC_S_OK)
2974 {
2975 BOOL ret = CryptAcquireContextA(&hProv, (LPCSTR)uuidStr,
2976 MS_DEF_PROV_A, PROV_RSA_FULL, CRYPT_NEWKEYSET);
2977
2978 if (ret)
2979 {
2980 HCRYPTKEY key;
2981
2982 ret = CryptGenKey(hProv, AT_SIGNATURE, 0, &key);
2983 if (ret)
2984 CryptDestroyKey(key);
2985 }
2986 rpcStringFree(&uuidStr);
2987 }
2988 }
2989 }
2990 FreeLibrary(rpcrt);
2991 }
2992 return hProv;
2993 }
2994
2995 PCCERT_CONTEXT WINAPI CertCreateSelfSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hProv,
2996 PCERT_NAME_BLOB pSubjectIssuerBlob, DWORD dwFlags,
2997 PCRYPT_KEY_PROV_INFO pKeyProvInfo,
2998 PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm, PSYSTEMTIME pStartTime,
2999 PSYSTEMTIME pEndTime, PCERT_EXTENSIONS pExtensions)
3000 {
3001 PCCERT_CONTEXT context = NULL;
3002 BOOL ret, releaseContext = FALSE;
3003 PCERT_PUBLIC_KEY_INFO pubKey = NULL;
3004 DWORD pubKeySize = 0,dwKeySpec = AT_SIGNATURE;
3005
3006 TRACE("(%08lx, %p, %08x, %p, %p, %p, %p, %p)\n", hProv,
3007 pSubjectIssuerBlob, dwFlags, pKeyProvInfo, pSignatureAlgorithm, pStartTime,
3008 pExtensions, pExtensions);
3009
3010 if(!pSubjectIssuerBlob)
3011 {
3012 SetLastError(ERROR_INVALID_PARAMETER);
3013 return NULL;
3014 }
3015
3016 if (!hProv)
3017 {
3018 if (!pKeyProvInfo)
3019 {
3020 hProv = CRYPT_CreateKeyProv();
3021 releaseContext = TRUE;
3022 }
3023 else if (pKeyProvInfo->dwFlags & CERT_SET_KEY_PROV_HANDLE_PROP_ID)
3024 {
3025 SetLastError(NTE_BAD_FLAGS);
3026 return NULL;
3027 }
3028 else
3029 {
3030 HCRYPTKEY hKey = 0;
3031 /* acquire the context using the given information*/
3032 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3033 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3034 pKeyProvInfo->dwFlags);
3035 if (!ret)
3036 {
3037 if(GetLastError() != NTE_BAD_KEYSET)
3038 return NULL;
3039 /* create the key set */
3040 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3041 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3042 pKeyProvInfo->dwFlags|CRYPT_NEWKEYSET);
3043 if (!ret)
3044 return NULL;
3045 }
3046 dwKeySpec = pKeyProvInfo->dwKeySpec;
3047 /* check if the key is here */
3048 ret = CryptGetUserKey(hProv,dwKeySpec,&hKey);
3049 if(!ret)
3050 {
3051 if (NTE_NO_KEY == GetLastError())
3052 { /* generate the key */
3053 ret = CryptGenKey(hProv,dwKeySpec,0,&hKey);
3054 }
3055 if (!ret)
3056 {
3057 CryptReleaseContext(hProv,0);
3058 SetLastError(NTE_BAD_KEYSET);
3059 return NULL;
3060 }
3061 }
3062 CryptDestroyKey(hKey);
3063 releaseContext = TRUE;
3064 }
3065 }
3066 else if (pKeyProvInfo)
3067 {
3068 SetLastError(ERROR_INVALID_PARAMETER);
3069 return NULL;
3070 }
3071
3072 CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING, NULL,
3073 &pubKeySize);
3074 pubKey = CryptMemAlloc(pubKeySize);
3075 if (pubKey)
3076 {
3077 ret = CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING,
3078 pubKey, &pubKeySize);
3079 if (ret)
3080 {
3081 CERT_INFO info = { 0 };
3082 CRYPT_DER_BLOB blob = { 0, NULL };
3083 BYTE serial[16];
3084 CRYPT_DATA_BLOB serialBlob = { sizeof(serial), serial };
3085
3086 CryptGenRandom(hProv, sizeof(serial), serial);
3087 CRYPT_MakeCertInfo(&info, &serialBlob, pSubjectIssuerBlob,
3088 pSignatureAlgorithm, pStartTime, pEndTime, pubKey, pExtensions);
3089 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT_TO_BE_SIGNED,
3090 &info, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData,
3091 &blob.cbData);
3092 if (ret)
3093 {
3094 if (!(dwFlags & CERT_CREATE_SELFSIGN_NO_SIGN))
3095 context = CRYPT_CreateSignedCert(&blob, hProv,dwKeySpec,
3096 &info.SignatureAlgorithm);
3097 else
3098 context = CertCreateCertificateContext(X509_ASN_ENCODING,
3099 blob.pbData, blob.cbData);
3100 if (context && !(dwFlags & CERT_CREATE_SELFSIGN_NO_KEY_INFO))
3101 CertContext_SetKeyProvInfo(context, pKeyProvInfo, hProv);
3102 LocalFree(blob.pbData);
3103 }
3104 }
3105 CryptMemFree(pubKey);
3106 }
3107 if (releaseContext)
3108 CryptReleaseContext(hProv, 0);
3109 return context;
3110 }
3111
3112 BOOL WINAPI CertVerifyCTLUsage(DWORD dwEncodingType, DWORD dwSubjectType,
3113 void *pvSubject, PCTL_USAGE pSubjectUsage, DWORD dwFlags,
3114 PCTL_VERIFY_USAGE_PARA pVerifyUsagePara,
3115 PCTL_VERIFY_USAGE_STATUS pVerifyUsageStatus)
3116 {
3117 FIXME("(0x%x, %d, %p, %p, 0x%x, %p, %p): stub\n", dwEncodingType,
3118 dwSubjectType, pvSubject, pSubjectUsage, dwFlags, pVerifyUsagePara,
3119 pVerifyUsageStatus);
3120 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
3121 return FALSE;
3122 }
3123
3124 const void * WINAPI CertCreateContext(DWORD dwContextType, DWORD dwEncodingType,
3125 const BYTE *pbEncoded, DWORD cbEncoded,
3126 DWORD dwFlags, PCERT_CREATE_CONTEXT_PARA pCreatePara)
3127 {
3128 TRACE("(0x%x, 0x%x, %p, %d, 0x%08x, %p)\n", dwContextType, dwEncodingType,
3129 pbEncoded, cbEncoded, dwFlags, pCreatePara);
3130
3131 if (dwFlags)
3132 {
3133 FIXME("dwFlags 0x%08x not handled\n", dwFlags);
3134 return NULL;
3135 }
3136 if (pCreatePara)
3137 {
3138 FIXME("pCreatePara not handled\n");
3139 return NULL;
3140 }
3141
3142 switch (dwContextType)
3143 {
3144 case CERT_STORE_CERTIFICATE_CONTEXT:
3145 return CertCreateCertificateContext(dwEncodingType, pbEncoded, cbEncoded);
3146 case CERT_STORE_CRL_CONTEXT:
3147 return CertCreateCRLContext(dwEncodingType, pbEncoded, cbEncoded);
3148 case CERT_STORE_CTL_CONTEXT:
3149 return CertCreateCTLContext(dwEncodingType, pbEncoded, cbEncoded);
3150 default:
3151 WARN("unknown context type: 0x%x\n", dwContextType);
3152 return NULL;
3153 }
3154 }
useful hacks and other patches not (yet) suitable for mainline