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gdiplus: Get rid of no longer needed path and region fields.
[wine.git] / dlls / crypt32 / cert.c
blob0f14ffbf1b8ba75deef4894b482f981b6d9d0560
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(cert_t *cert, 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(cert_t *cert, 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 static const context_vtbl_t cert_vtbl;
113
114 static void Cert_free(context_t *context)
115 {
116 cert_t *cert = (cert_t*)context;
117
118 CryptMemFree(cert->ctx.pbCertEncoded);
119 LocalFree(cert->ctx.pCertInfo);
120 }
121
122 static context_t *Cert_clone(context_t *context, WINECRYPT_CERTSTORE *store, BOOL use_link)
123 {
124 cert_t *cert;
125
126 if(use_link) {
127 cert = (cert_t*)Context_CreateLinkContext(sizeof(CERT_CONTEXT), context, store);
128 if(!cert)
129 return NULL;
130 }else {
131 const cert_t *cloned = (const cert_t*)context;
132 DWORD size = 0;
133 BOOL res;
134
135 cert = (cert_t*)Context_CreateDataContext(sizeof(CERT_CONTEXT), &cert_vtbl, store);
136 if(!cert)
137 return NULL;
138
139 Context_CopyProperties(&cert->ctx, &cloned->ctx);
140
141 cert->ctx.dwCertEncodingType = cloned->ctx.dwCertEncodingType;
142 cert->ctx.pbCertEncoded = CryptMemAlloc(cloned->ctx.cbCertEncoded);
143 memcpy(cert->ctx.pbCertEncoded, cloned->ctx.pbCertEncoded, cloned->ctx.cbCertEncoded);
144 cert->ctx.cbCertEncoded = cloned->ctx.cbCertEncoded;
145
146 /* FIXME: We don't need to decode the object here, we could just clone cert info. */
147 res = CryptDecodeObjectEx(cert->ctx.dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
148 cert->ctx.pbCertEncoded, cert->ctx.cbCertEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL,
149 &cert->ctx.pCertInfo, &size);
150 if(!res) {
151 CertFreeCertificateContext(&cert->ctx);
152 return NULL;
153 }
154 }
155
156 cert->ctx.hCertStore = store;
157 return &cert->base;
158 }
159
160 static const context_vtbl_t cert_vtbl = {
161 Cert_free,
162 Cert_clone
163 };
164
165 static BOOL add_cert_to_store(WINECRYPT_CERTSTORE *store, const CERT_CONTEXT *cert,
166 DWORD add_disposition, BOOL use_link, PCCERT_CONTEXT *ret_context)
167 {
168 const CERT_CONTEXT *existing = NULL;
169 BOOL ret = TRUE, inherit_props = FALSE;
170 context_t *new_context = NULL;
171
172 switch (add_disposition)
173 {
174 case CERT_STORE_ADD_ALWAYS:
175 break;
176 case CERT_STORE_ADD_NEW:
177 case CERT_STORE_ADD_REPLACE_EXISTING:
178 case CERT_STORE_ADD_REPLACE_EXISTING_INHERIT_PROPERTIES:
179 case CERT_STORE_ADD_USE_EXISTING:
180 case CERT_STORE_ADD_NEWER:
181 case CERT_STORE_ADD_NEWER_INHERIT_PROPERTIES:
182 {
183 BYTE hashToAdd[20];
184 DWORD size = sizeof(hashToAdd);
185
186 ret = CertGetCertificateContextProperty(cert, CERT_HASH_PROP_ID,
187 hashToAdd, &size);
188 if (ret)
189 {
190 CRYPT_HASH_BLOB blob = { sizeof(hashToAdd), hashToAdd };
191
192 existing = CertFindCertificateInStore(store, cert->dwCertEncodingType, 0,
193 CERT_FIND_SHA1_HASH, &blob, NULL);
194 }
195 break;
196 }
197 default:
198 FIXME("Unimplemented add disposition %d\n", add_disposition);
199 SetLastError(E_INVALIDARG);
200 return FALSE;
201 }
202
203 switch (add_disposition)
204 {
205 case CERT_STORE_ADD_ALWAYS:
206 break;
207 case CERT_STORE_ADD_NEW:
208 if (existing)
209 {
210 TRACE("found matching certificate, not adding\n");
211 SetLastError(CRYPT_E_EXISTS);
212 return FALSE;
213 }
214 break;
215 case CERT_STORE_ADD_REPLACE_EXISTING:
216 break;
217 case CERT_STORE_ADD_REPLACE_EXISTING_INHERIT_PROPERTIES:
218 if (use_link)
219 FIXME("CERT_STORE_ADD_REPLACE_EXISTING_INHERIT_PROPERTIES: semi-stub for links\n");
220 if (existing)
221 inherit_props = TRUE;
222 break;
223 case CERT_STORE_ADD_USE_EXISTING:
224 if(use_link)
225 FIXME("CERT_STORE_ADD_USE_EXISTING: semi-stub for links\n");
226 if (existing)
227 {
228 Context_CopyProperties(existing, cert);
229 if (ret_context)
230 *ret_context = CertDuplicateCertificateContext(existing);
231 return TRUE;
232 }
233 break;
234 case CERT_STORE_ADD_NEWER:
235 if (existing && CompareFileTime(&existing->pCertInfo->NotBefore, &cert->pCertInfo->NotBefore) >= 0)
236 {
237 TRACE("existing certificate is newer, not adding\n");
238 SetLastError(CRYPT_E_EXISTS);
239 return FALSE;
240 }
241 break;
242 case CERT_STORE_ADD_NEWER_INHERIT_PROPERTIES:
243 if (existing)
244 {
245 if (CompareFileTime(&existing->pCertInfo->NotBefore, &cert->pCertInfo->NotBefore) >= 0)
246 {
247 TRACE("existing certificate is newer, not adding\n");
248 SetLastError(CRYPT_E_EXISTS);
249 return FALSE;
250 }
251 inherit_props = TRUE;
252 }
253 break;
254 }
255
256 /* FIXME: We have tests that this works, but what should we really do in this case? */
257 if(!store) {
258 if(ret_context)
259 *ret_context = CertDuplicateCertificateContext(cert);
260 return TRUE;
261 }
262
263 ret = store->vtbl->certs.addContext(store, context_from_ptr(cert), existing ? context_from_ptr(existing) : NULL,
264 (ret_context || inherit_props) ? &new_context : NULL, use_link);
265 if(!ret)
266 return FALSE;
267
268 if(inherit_props)
269 Context_CopyProperties(context_ptr(new_context), existing);
270
271 if(ret_context)
272 *ret_context = context_ptr(new_context);
273 else if(new_context)
274 Context_Release(new_context);
275
276 TRACE("returning %d\n", ret);
277 return ret;
278 }
279
280 BOOL WINAPI CertAddCertificateContextToStore(HCERTSTORE hCertStore, PCCERT_CONTEXT pCertContext,
281 DWORD dwAddDisposition, PCCERT_CONTEXT *ppStoreContext)
282 {
283 WINECRYPT_CERTSTORE *store = hCertStore;
284
285 TRACE("(%p, %p, %08x, %p)\n", hCertStore, pCertContext, dwAddDisposition, ppStoreContext);
286
287 return add_cert_to_store(store, pCertContext, dwAddDisposition, FALSE, ppStoreContext);
288 }
289
290 BOOL WINAPI CertAddCertificateLinkToStore(HCERTSTORE hCertStore,
291 PCCERT_CONTEXT pCertContext, DWORD dwAddDisposition,
292 PCCERT_CONTEXT *ppCertContext)
293 {
294 static int calls;
295 WINECRYPT_CERTSTORE *store = (WINECRYPT_CERTSTORE*)hCertStore;
296
297 if (!(calls++))
298 FIXME("(%p, %p, %08x, %p): semi-stub\n", hCertStore, pCertContext,
299 dwAddDisposition, ppCertContext);
300 if (store->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
301 return FALSE;
302 if (store->type == StoreTypeCollection)
303 {
304 SetLastError(E_INVALIDARG);
305 return FALSE;
306 }
307 return add_cert_to_store(hCertStore, pCertContext, dwAddDisposition, TRUE, ppCertContext);
308 }
309
310 PCCERT_CONTEXT WINAPI CertCreateCertificateContext(DWORD dwCertEncodingType,
311 const BYTE *pbCertEncoded, DWORD cbCertEncoded)
312 {
313 cert_t *cert = NULL;
314 BYTE *data = NULL;
315 BOOL ret;
316 PCERT_INFO certInfo = NULL;
317 DWORD size = 0;
318
319 TRACE("(%08x, %p, %d)\n", dwCertEncodingType, pbCertEncoded,
320 cbCertEncoded);
321
322 if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING)
323 {
324 SetLastError(E_INVALIDARG);
325 return NULL;
326 }
327
328 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
329 pbCertEncoded, cbCertEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL,
330 &certInfo, &size);
331 if (!ret)
332 return NULL;
333
334 cert = (cert_t*)Context_CreateDataContext(sizeof(CERT_CONTEXT), &cert_vtbl, &empty_store);
335 if (!cert)
336 return NULL;
337 data = CryptMemAlloc(cbCertEncoded);
338 if (!data)
339 {
340 Context_Release(&cert->base);
341 return NULL;
342 }
343
344 memcpy(data, pbCertEncoded, cbCertEncoded);
345 cert->ctx.dwCertEncodingType = dwCertEncodingType;
346 cert->ctx.pbCertEncoded = data;
347 cert->ctx.cbCertEncoded = cbCertEncoded;
348 cert->ctx.pCertInfo = certInfo;
349 cert->ctx.hCertStore = &empty_store;
350
351 return &cert->ctx;
352 }
353
354 PCCERT_CONTEXT WINAPI CertDuplicateCertificateContext(PCCERT_CONTEXT pCertContext)
355 {
356 TRACE("(%p)\n", pCertContext);
357
358 if (!pCertContext)
359 return NULL;
360
361 Context_AddRef(&cert_from_ptr(pCertContext)->base);
362 return pCertContext;
363 }
364
365 BOOL WINAPI CertFreeCertificateContext(PCCERT_CONTEXT pCertContext)
366 {
367 TRACE("(%p)\n", pCertContext);
368
369 if (pCertContext)
370 Context_Release(&cert_from_ptr(pCertContext)->base);
371 return TRUE;
372 }
373
374 DWORD WINAPI CertEnumCertificateContextProperties(PCCERT_CONTEXT pCertContext,
375 DWORD dwPropId)
376 {
377 cert_t *cert = cert_from_ptr(pCertContext);
378 DWORD ret;
379
380 TRACE("(%p, %d)\n", pCertContext, dwPropId);
381
382 if (cert->base.properties)
383 ret = ContextPropertyList_EnumPropIDs(cert->base.properties, dwPropId);
384 else
385 ret = 0;
386 return ret;
387 }
388
389 static BOOL CertContext_GetHashProp(cert_t *cert, DWORD dwPropId,
390 ALG_ID algID, const BYTE *toHash, DWORD toHashLen, void *pvData,
391 DWORD *pcbData)
392 {
393 BOOL ret = CryptHashCertificate(0, algID, 0, toHash, toHashLen, pvData,
394 pcbData);
395 if (ret && pvData)
396 {
397 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
398
399 ret = CertContext_SetProperty(cert, dwPropId, 0, &blob);
400 }
401 return ret;
402 }
403
404 static BOOL CertContext_CopyParam(void *pvData, DWORD *pcbData, const void *pb,
405 DWORD cb)
406 {
407 BOOL ret = TRUE;
408
409 if (!pvData)
410 *pcbData = cb;
411 else if (*pcbData < cb)
412 {
413 SetLastError(ERROR_MORE_DATA);
414 *pcbData = cb;
415 ret = FALSE;
416 }
417 else
418 {
419 memcpy(pvData, pb, cb);
420 *pcbData = cb;
421 }
422 return ret;
423 }
424
425 static BOOL CertContext_GetProperty(cert_t *cert, DWORD dwPropId,
426 void *pvData, DWORD *pcbData)
427 {
428 BOOL ret;
429 CRYPT_DATA_BLOB blob;
430
431 TRACE("(%p, %d, %p, %p)\n", cert, dwPropId, pvData, pcbData);
432
433 if (cert->base.properties)
434 ret = ContextPropertyList_FindProperty(cert->base.properties, dwPropId, &blob);
435 else
436 ret = FALSE;
437 if (ret)
438 ret = CertContext_CopyParam(pvData, pcbData, blob.pbData, blob.cbData);
439 else
440 {
441 /* Implicit properties */
442 switch (dwPropId)
443 {
444 case CERT_SHA1_HASH_PROP_ID:
445 ret = CertContext_GetHashProp(cert, dwPropId, CALG_SHA1,
446 cert->ctx.pbCertEncoded, cert->ctx.cbCertEncoded, pvData,
447 pcbData);
448 break;
449 case CERT_MD5_HASH_PROP_ID:
450 ret = CertContext_GetHashProp(cert, dwPropId, CALG_MD5,
451 cert->ctx.pbCertEncoded, cert->ctx.cbCertEncoded, pvData,
452 pcbData);
453 break;
454 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
455 ret = CertContext_GetHashProp(cert, dwPropId, CALG_MD5,
456 cert->ctx.pCertInfo->Subject.pbData,
457 cert->ctx.pCertInfo->Subject.cbData,
458 pvData, pcbData);
459 break;
460 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
461 ret = CertContext_GetHashProp(cert, dwPropId, CALG_MD5,
462 cert->ctx.pCertInfo->SubjectPublicKeyInfo.PublicKey.pbData,
463 cert->ctx.pCertInfo->SubjectPublicKeyInfo.PublicKey.cbData,
464 pvData, pcbData);
465 break;
466 case CERT_ISSUER_SERIAL_NUMBER_MD5_HASH_PROP_ID:
467 ret = CertContext_GetHashProp(cert, dwPropId, CALG_MD5,
468 cert->ctx.pCertInfo->SerialNumber.pbData,
469 cert->ctx.pCertInfo->SerialNumber.cbData,
470 pvData, pcbData);
471 break;
472 case CERT_SIGNATURE_HASH_PROP_ID:
473 ret = CryptHashToBeSigned(0, cert->ctx.dwCertEncodingType,
474 cert->ctx.pbCertEncoded, cert->ctx.cbCertEncoded, pvData,
475 pcbData);
476 if (ret && pvData)
477 {
478 CRYPT_DATA_BLOB blob = { *pcbData, pvData };
479
480 ret = CertContext_SetProperty(cert, dwPropId, 0, &blob);
481 }
482 break;
483 case CERT_KEY_IDENTIFIER_PROP_ID:
484 {
485 PCERT_EXTENSION ext = CertFindExtension(
486 szOID_SUBJECT_KEY_IDENTIFIER, cert->ctx.pCertInfo->cExtension,
487 cert->ctx.pCertInfo->rgExtension);
488
489 if (ext)
490 {
491 CRYPT_DATA_BLOB value;
492 DWORD size = sizeof(value);
493
494 ret = CryptDecodeObjectEx(X509_ASN_ENCODING,
495 szOID_SUBJECT_KEY_IDENTIFIER, ext->Value.pbData,
496 ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL, &value,
497 &size);
498 if (ret)
499 {
500 ret = CertContext_CopyParam(pvData, pcbData, value.pbData,
501 value.cbData);
502 CertContext_SetProperty(cert, dwPropId, 0, &value);
503 }
504 }
505 else
506 SetLastError(ERROR_INVALID_DATA);
507 break;
508 }
509 default:
510 SetLastError(CRYPT_E_NOT_FOUND);
511 }
512 }
513 TRACE("returning %d\n", ret);
514 return ret;
515 }
516
517 void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
518 {
519 DWORD i, containerLen, provNameLen;
520 LPBYTE data = (LPBYTE)info + sizeof(CRYPT_KEY_PROV_INFO);
521
522 info->pwszContainerName = (LPWSTR)data;
523 containerLen = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
524 data += containerLen;
525
526 info->pwszProvName = (LPWSTR)data;
527 provNameLen = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
528 data += provNameLen;
529
530 info->rgProvParam = (PCRYPT_KEY_PROV_PARAM)data;
531 data += info->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
532
533 for (i = 0; i < info->cProvParam; i++)
534 {
535 info->rgProvParam[i].pbData = data;
536 data += info->rgProvParam[i].cbData;
537 }
538 }
539
540 BOOL WINAPI CertGetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
541 DWORD dwPropId, void *pvData, DWORD *pcbData)
542 {
543 cert_t *cert = cert_from_ptr(pCertContext);
544 BOOL ret;
545
546 TRACE("(%p, %d, %p, %p)\n", pCertContext, dwPropId, pvData, pcbData);
547
548 switch (dwPropId)
549 {
550 case 0:
551 case CERT_CERT_PROP_ID:
552 case CERT_CRL_PROP_ID:
553 case CERT_CTL_PROP_ID:
554 SetLastError(E_INVALIDARG);
555 ret = FALSE;
556 break;
557 case CERT_ACCESS_STATE_PROP_ID:
558 ret = CertGetStoreProperty(cert->ctx.hCertStore, dwPropId, pvData, pcbData);
559 break;
560 case CERT_KEY_PROV_HANDLE_PROP_ID:
561 {
562 CERT_KEY_CONTEXT keyContext;
563 DWORD size = sizeof(keyContext);
564
565 ret = CertContext_GetProperty(cert,
566 CERT_KEY_CONTEXT_PROP_ID, &keyContext, &size);
567 if (ret)
568 ret = CertContext_CopyParam(pvData, pcbData, &keyContext.hCryptProv,
569 sizeof(keyContext.hCryptProv));
570 break;
571 }
572 case CERT_KEY_PROV_INFO_PROP_ID:
573 ret = CertContext_GetProperty(cert, dwPropId, pvData,
574 pcbData);
575 if (ret && pvData)
576 CRYPT_FixKeyProvInfoPointers(pvData);
577 break;
578 default:
579 ret = CertContext_GetProperty(cert, dwPropId, pvData,
580 pcbData);
581 }
582
583 TRACE("returning %d\n", ret);
584 return ret;
585 }
586
587 /* Copies key provider info from from into to, where to is assumed to be a
588 * contiguous buffer of memory large enough for from and all its associated
589 * data, but whose pointers are uninitialized.
590 * Upon return, to contains a contiguous copy of from, packed in the following
591 * order:
592 * - CRYPT_KEY_PROV_INFO
593 * - pwszContainerName
594 * - pwszProvName
595 * - rgProvParam[0]...
596 */
597 static void CRYPT_CopyKeyProvInfo(PCRYPT_KEY_PROV_INFO to,
598 const CRYPT_KEY_PROV_INFO *from)
599 {
600 DWORD i;
601 LPBYTE nextData = (LPBYTE)to + sizeof(CRYPT_KEY_PROV_INFO);
602
603 if (from->pwszContainerName)
604 {
605 to->pwszContainerName = (LPWSTR)nextData;
606 lstrcpyW(to->pwszContainerName, from->pwszContainerName);
607 nextData += (lstrlenW(from->pwszContainerName) + 1) * sizeof(WCHAR);
608 }
609 else
610 to->pwszContainerName = NULL;
611 if (from->pwszProvName)
612 {
613 to->pwszProvName = (LPWSTR)nextData;
614 lstrcpyW(to->pwszProvName, from->pwszProvName);
615 nextData += (lstrlenW(from->pwszProvName) + 1) * sizeof(WCHAR);
616 }
617 else
618 to->pwszProvName = NULL;
619 to->dwProvType = from->dwProvType;
620 to->dwFlags = from->dwFlags;
621 to->cProvParam = from->cProvParam;
622 to->rgProvParam = (PCRYPT_KEY_PROV_PARAM)nextData;
623 nextData += to->cProvParam * sizeof(CRYPT_KEY_PROV_PARAM);
624 to->dwKeySpec = from->dwKeySpec;
625 for (i = 0; i < to->cProvParam; i++)
626 {
627 memcpy(&to->rgProvParam[i], &from->rgProvParam[i],
628 sizeof(CRYPT_KEY_PROV_PARAM));
629 to->rgProvParam[i].pbData = nextData;
630 memcpy(to->rgProvParam[i].pbData, from->rgProvParam[i].pbData,
631 from->rgProvParam[i].cbData);
632 nextData += from->rgProvParam[i].cbData;
633 }
634 }
635
636 static BOOL CertContext_SetKeyProvInfoProperty(CONTEXT_PROPERTY_LIST *properties,
637 const CRYPT_KEY_PROV_INFO *info)
638 {
639 BOOL ret;
640 LPBYTE buf = NULL;
641 DWORD size = sizeof(CRYPT_KEY_PROV_INFO), i, containerSize, provNameSize;
642
643 if (info->pwszContainerName)
644 containerSize = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
645 else
646 containerSize = 0;
647 if (info->pwszProvName)
648 provNameSize = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
649 else
650 provNameSize = 0;
651 size += containerSize + provNameSize;
652 for (i = 0; i < info->cProvParam; i++)
653 size += sizeof(CRYPT_KEY_PROV_PARAM) + info->rgProvParam[i].cbData;
654 buf = CryptMemAlloc(size);
655 if (buf)
656 {
657 CRYPT_CopyKeyProvInfo((PCRYPT_KEY_PROV_INFO)buf, info);
658 ret = ContextPropertyList_SetProperty(properties,
659 CERT_KEY_PROV_INFO_PROP_ID, buf, size);
660 CryptMemFree(buf);
661 }
662 else
663 ret = FALSE;
664 return ret;
665 }
666
667 static BOOL CertContext_SetProperty(cert_t *cert, DWORD dwPropId,
668 DWORD dwFlags, const void *pvData)
669 {
670 BOOL ret;
671
672 TRACE("(%p, %d, %08x, %p)\n", cert, dwPropId, dwFlags, pvData);
673
674 if (!cert->base.properties)
675 ret = FALSE;
676 else
677 {
678 switch (dwPropId)
679 {
680 case CERT_AUTO_ENROLL_PROP_ID:
681 case CERT_CTL_USAGE_PROP_ID: /* same as CERT_ENHKEY_USAGE_PROP_ID */
682 case CERT_DESCRIPTION_PROP_ID:
683 case CERT_FRIENDLY_NAME_PROP_ID:
684 case CERT_HASH_PROP_ID:
685 case CERT_KEY_IDENTIFIER_PROP_ID:
686 case CERT_MD5_HASH_PROP_ID:
687 case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
688 case CERT_PUBKEY_ALG_PARA_PROP_ID:
689 case CERT_PVK_FILE_PROP_ID:
690 case CERT_SIGNATURE_HASH_PROP_ID:
691 case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
692 case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
693 case CERT_EXTENDED_ERROR_INFO_PROP_ID:
694 case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
695 case CERT_ENROLLMENT_PROP_ID:
696 case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
697 case CERT_RENEWAL_PROP_ID:
698 {
699 if (pvData)
700 {
701 const CRYPT_DATA_BLOB *blob = pvData;
702
703 ret = ContextPropertyList_SetProperty(cert->base.properties, dwPropId,
704 blob->pbData, blob->cbData);
705 }
706 else
707 {
708 ContextPropertyList_RemoveProperty(cert->base.properties, dwPropId);
709 ret = TRUE;
710 }
711 break;
712 }
713 case CERT_DATE_STAMP_PROP_ID:
714 if (pvData)
715 ret = ContextPropertyList_SetProperty(cert->base.properties, dwPropId,
716 pvData, sizeof(FILETIME));
717 else
718 {
719 ContextPropertyList_RemoveProperty(cert->base.properties, dwPropId);
720 ret = TRUE;
721 }
722 break;
723 case CERT_KEY_CONTEXT_PROP_ID:
724 {
725 if (pvData)
726 {
727 const CERT_KEY_CONTEXT *keyContext = pvData;
728
729 if (keyContext->cbSize != sizeof(CERT_KEY_CONTEXT))
730 {
731 SetLastError(E_INVALIDARG);
732 ret = FALSE;
733 }
734 else
735 ret = ContextPropertyList_SetProperty(cert->base.properties, dwPropId,
736 (const BYTE *)keyContext, keyContext->cbSize);
737 }
738 else
739 {
740 ContextPropertyList_RemoveProperty(cert->base.properties, dwPropId);
741 ret = TRUE;
742 }
743 break;
744 }
745 case CERT_KEY_PROV_INFO_PROP_ID:
746 if (pvData)
747 ret = CertContext_SetKeyProvInfoProperty(cert->base.properties, pvData);
748 else
749 {
750 ContextPropertyList_RemoveProperty(cert->base.properties, dwPropId);
751 ret = TRUE;
752 }
753 break;
754 case CERT_KEY_PROV_HANDLE_PROP_ID:
755 {
756 CERT_KEY_CONTEXT keyContext;
757 DWORD size = sizeof(keyContext);
758
759 ret = CertContext_GetProperty(cert, CERT_KEY_CONTEXT_PROP_ID,
760 &keyContext, &size);
761 if (ret)
762 {
763 if (!(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
764 CryptReleaseContext(keyContext.hCryptProv, 0);
765 }
766 keyContext.cbSize = sizeof(keyContext);
767 if (pvData)
768 keyContext.hCryptProv = *(const HCRYPTPROV *)pvData;
769 else
770 {
771 keyContext.hCryptProv = 0;
772 keyContext.dwKeySpec = AT_SIGNATURE;
773 }
774 ret = CertContext_SetProperty(cert, CERT_KEY_CONTEXT_PROP_ID,
775 0, &keyContext);
776 break;
777 }
778 default:
779 FIXME("%d: stub\n", dwPropId);
780 ret = FALSE;
781 }
782 }
783 TRACE("returning %d\n", ret);
784 return ret;
785 }
786
787 BOOL WINAPI CertSetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
788 DWORD dwPropId, DWORD dwFlags, const void *pvData)
789 {
790 BOOL ret;
791
792 TRACE("(%p, %d, %08x, %p)\n", pCertContext, dwPropId, dwFlags, pvData);
793
794 /* Handle special cases for "read-only"/invalid prop IDs. Windows just
795 * crashes on most of these, I'll be safer.
796 */
797 switch (dwPropId)
798 {
799 case 0:
800 case CERT_ACCESS_STATE_PROP_ID:
801 case CERT_CERT_PROP_ID:
802 case CERT_CRL_PROP_ID:
803 case CERT_CTL_PROP_ID:
804 SetLastError(E_INVALIDARG);
805 return FALSE;
806 }
807 ret = CertContext_SetProperty(cert_from_ptr(pCertContext), dwPropId, dwFlags,
808 pvData);
809 TRACE("returning %d\n", ret);
810 return ret;
811 }
812
813 /* Acquires the private key using the key provider info, retrieving info from
814 * the certificate if info is NULL. The acquired provider is returned in
815 * *phCryptProv, and the key spec for the provider is returned in *pdwKeySpec.
816 */
817 static BOOL CRYPT_AcquirePrivateKeyFromProvInfo(PCCERT_CONTEXT pCert,
818 PCRYPT_KEY_PROV_INFO info, HCRYPTPROV *phCryptProv, DWORD *pdwKeySpec)
819 {
820 DWORD size = 0;
821 BOOL allocated = FALSE, ret = TRUE;
822
823 if (!info)
824 {
825 ret = CertGetCertificateContextProperty(pCert,
826 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
827 if (ret)
828 {
829 info = HeapAlloc(GetProcessHeap(), 0, size);
830 if (info)
831 {
832 ret = CertGetCertificateContextProperty(pCert,
833 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
834 allocated = TRUE;
835 }
836 else
837 {
838 SetLastError(ERROR_OUTOFMEMORY);
839 ret = FALSE;
840 }
841 }
842 else
843 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
844 }
845 if (ret)
846 {
847 ret = CryptAcquireContextW(phCryptProv, info->pwszContainerName,
848 info->pwszProvName, info->dwProvType, 0);
849 if (ret)
850 {
851 DWORD i;
852
853 for (i = 0; i < info->cProvParam; i++)
854 {
855 CryptSetProvParam(*phCryptProv,
856 info->rgProvParam[i].dwParam, info->rgProvParam[i].pbData,
857 info->rgProvParam[i].dwFlags);
858 }
859 *pdwKeySpec = info->dwKeySpec;
860 }
861 else
862 SetLastError(CRYPT_E_NO_KEY_PROPERTY);
863 }
864 if (allocated)
865 HeapFree(GetProcessHeap(), 0, info);
866 return ret;
867 }
868
869 BOOL WINAPI CryptAcquireCertificatePrivateKey(PCCERT_CONTEXT pCert,
870 DWORD dwFlags, void *pvReserved, HCRYPTPROV_OR_NCRYPT_KEY_HANDLE *phCryptProv,
871 DWORD *pdwKeySpec, BOOL *pfCallerFreeProv)
872 {
873 BOOL ret = FALSE, cache = FALSE;
874 PCRYPT_KEY_PROV_INFO info = NULL;
875 CERT_KEY_CONTEXT keyContext;
876 DWORD size;
877
878 TRACE("(%p, %08x, %p, %p, %p, %p)\n", pCert, dwFlags, pvReserved,
879 phCryptProv, pdwKeySpec, pfCallerFreeProv);
880
881 if (dwFlags & CRYPT_ACQUIRE_USE_PROV_INFO_FLAG)
882 {
883 DWORD size = 0;
884
885 ret = CertGetCertificateContextProperty(pCert,
886 CERT_KEY_PROV_INFO_PROP_ID, 0, &size);
887 if (ret)
888 {
889 info = HeapAlloc(GetProcessHeap(), 0, size);
890 ret = CertGetCertificateContextProperty(pCert,
891 CERT_KEY_PROV_INFO_PROP_ID, info, &size);
892 if (ret)
893 cache = info->dwFlags & CERT_SET_KEY_CONTEXT_PROP_ID;
894 }
895 }
896 else if (dwFlags & CRYPT_ACQUIRE_CACHE_FLAG)
897 cache = TRUE;
898 *phCryptProv = 0;
899 if (cache)
900 {
901 size = sizeof(keyContext);
902 ret = CertGetCertificateContextProperty(pCert, CERT_KEY_CONTEXT_PROP_ID,
903 &keyContext, &size);
904 if (ret)
905 {
906 *phCryptProv = keyContext.hCryptProv;
907 if (pdwKeySpec)
908 *pdwKeySpec = keyContext.dwKeySpec;
909 if (pfCallerFreeProv)
910 *pfCallerFreeProv = !cache;
911 }
912 }
913 if (!*phCryptProv)
914 {
915 ret = CRYPT_AcquirePrivateKeyFromProvInfo(pCert, info,
916 &keyContext.hCryptProv, &keyContext.dwKeySpec);
917 if (ret)
918 {
919 *phCryptProv = keyContext.hCryptProv;
920 if (pdwKeySpec)
921 *pdwKeySpec = keyContext.dwKeySpec;
922 if (cache)
923 {
924 keyContext.cbSize = sizeof(keyContext);
925 if (CertSetCertificateContextProperty(pCert,
926 CERT_KEY_CONTEXT_PROP_ID, 0, &keyContext))
927 {
928 if (pfCallerFreeProv)
929 *pfCallerFreeProv = FALSE;
930 }
931 }
932 else
933 {
934 if (pfCallerFreeProv)
935 *pfCallerFreeProv = TRUE;
936 }
937 }
938 }
939 HeapFree(GetProcessHeap(), 0, info);
940 return ret;
941 }
942
943 static BOOL key_prov_info_matches_cert(PCCERT_CONTEXT pCert,
944 const CRYPT_KEY_PROV_INFO *keyProvInfo)
945 {
946 HCRYPTPROV csp;
947 BOOL matches = FALSE;
948
949 if (CryptAcquireContextW(&csp, keyProvInfo->pwszContainerName,
950 keyProvInfo->pwszProvName, keyProvInfo->dwProvType, keyProvInfo->dwFlags))
951 {
952 DWORD size;
953
954 /* Need to sign something to verify the sig. What to sign? Why not
955 * the certificate itself?
956 */
957 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
958 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED, pCert->pCertInfo,
959 &pCert->pCertInfo->SignatureAlgorithm, NULL, NULL, &size))
960 {
961 BYTE *certEncoded = CryptMemAlloc(size);
962
963 if (certEncoded)
964 {
965 if (CryptSignAndEncodeCertificate(csp, AT_SIGNATURE,
966 pCert->dwCertEncodingType, X509_CERT_TO_BE_SIGNED,
967 pCert->pCertInfo, &pCert->pCertInfo->SignatureAlgorithm,
968 NULL, certEncoded, &size))
969 {
970 if (size == pCert->cbCertEncoded &&
971 !memcmp(certEncoded, pCert->pbCertEncoded, size))
972 matches = TRUE;
973 }
974 CryptMemFree(certEncoded);
975 }
976 }
977 CryptReleaseContext(csp, 0);
978 }
979 return matches;
980 }
981
982 static BOOL container_matches_cert(PCCERT_CONTEXT pCert, LPCSTR container,
983 CRYPT_KEY_PROV_INFO *keyProvInfo)
984 {
985 CRYPT_KEY_PROV_INFO copy;
986 WCHAR containerW[MAX_PATH];
987 BOOL matches = FALSE;
988
989 MultiByteToWideChar(CP_ACP, 0, container, -1,
990 containerW, sizeof(containerW) / sizeof(containerW[0]));
991 /* We make a copy of the CRYPT_KEY_PROV_INFO because the caller expects
992 * keyProvInfo->pwszContainerName to be NULL or a heap-allocated container
993 * name.
994 */
995 copy = *keyProvInfo;
996 copy.pwszContainerName = containerW;
997 matches = key_prov_info_matches_cert(pCert, &copy);
998 if (matches)
999 {
1000 keyProvInfo->pwszContainerName =
1001 CryptMemAlloc((strlenW(containerW) + 1) * sizeof(WCHAR));
1002 if (keyProvInfo->pwszContainerName)
1003 {
1004 strcpyW(keyProvInfo->pwszContainerName, containerW);
1005 keyProvInfo->dwKeySpec = AT_SIGNATURE;
1006 }
1007 else
1008 matches = FALSE;
1009 }
1010 return matches;
1011 }
1012
1013 /* Searches the provider named keyProvInfo.pwszProvName for a container whose
1014 * private key matches pCert's public key. Upon success, updates keyProvInfo
1015 * with the matching container's info (free keyProvInfo.pwszContainerName upon
1016 * success.)
1017 * Returns TRUE if found, FALSE if not.
1018 */
1019 static BOOL find_key_prov_info_in_provider(PCCERT_CONTEXT pCert,
1020 CRYPT_KEY_PROV_INFO *keyProvInfo)
1021 {
1022 HCRYPTPROV defProvider;
1023 BOOL ret, found = FALSE;
1024 char containerA[MAX_PATH];
1025
1026 assert(keyProvInfo->pwszContainerName == NULL);
1027 if ((ret = CryptAcquireContextW(&defProvider, NULL,
1028 keyProvInfo->pwszProvName, keyProvInfo->dwProvType,
1029 keyProvInfo->dwFlags | CRYPT_VERIFYCONTEXT)))
1030 {
1031 DWORD enumFlags = keyProvInfo->dwFlags | CRYPT_FIRST;
1032
1033 while (ret && !found)
1034 {
1035 DWORD size = sizeof(containerA);
1036
1037 ret = CryptGetProvParam(defProvider, PP_ENUMCONTAINERS,
1038 (BYTE *)containerA, &size, enumFlags);
1039 if (ret)
1040 found = container_matches_cert(pCert, containerA, keyProvInfo);
1041 if (enumFlags & CRYPT_FIRST)
1042 {
1043 enumFlags &= ~CRYPT_FIRST;
1044 enumFlags |= CRYPT_NEXT;
1045 }
1046 }
1047 CryptReleaseContext(defProvider, 0);
1048 }
1049 return found;
1050 }
1051
1052 static BOOL find_matching_provider(PCCERT_CONTEXT pCert, DWORD dwFlags)
1053 {
1054 BOOL found = FALSE, ret = TRUE;
1055 DWORD index = 0, cbProvName = 0;
1056 CRYPT_KEY_PROV_INFO keyProvInfo;
1057
1058 TRACE("(%p, %08x)\n", pCert, dwFlags);
1059
1060 memset(&keyProvInfo, 0, sizeof(keyProvInfo));
1061 while (ret && !found)
1062 {
1063 DWORD size = 0;
1064
1065 ret = CryptEnumProvidersW(index, NULL, 0, &keyProvInfo.dwProvType,
1066 NULL, &size);
1067 if (ret)
1068 {
1069 if (size <= cbProvName)
1070 ret = CryptEnumProvidersW(index, NULL, 0,
1071 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
1072 else
1073 {
1074 CryptMemFree(keyProvInfo.pwszProvName);
1075 keyProvInfo.pwszProvName = CryptMemAlloc(size);
1076 if (keyProvInfo.pwszProvName)
1077 {
1078 cbProvName = size;
1079 ret = CryptEnumProvidersW(index, NULL, 0,
1080 &keyProvInfo.dwProvType, keyProvInfo.pwszProvName, &size);
1081 if (ret)
1082 {
1083 if (dwFlags & CRYPT_FIND_SILENT_KEYSET_FLAG)
1084 keyProvInfo.dwFlags |= CRYPT_SILENT;
1085 if (dwFlags & CRYPT_FIND_USER_KEYSET_FLAG ||
1086 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
1087 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
1088 {
1089 keyProvInfo.dwFlags |= CRYPT_USER_KEYSET;
1090 found = find_key_prov_info_in_provider(pCert,
1091 &keyProvInfo);
1092 }
1093 if (!found)
1094 {
1095 if (dwFlags & CRYPT_FIND_MACHINE_KEYSET_FLAG ||
1096 !(dwFlags & (CRYPT_FIND_USER_KEYSET_FLAG |
1097 CRYPT_FIND_MACHINE_KEYSET_FLAG)))
1098 {
1099 keyProvInfo.dwFlags &= ~CRYPT_USER_KEYSET;
1100 keyProvInfo.dwFlags |= CRYPT_MACHINE_KEYSET;
1101 found = find_key_prov_info_in_provider(pCert,
1102 &keyProvInfo);
1103 }
1104 }
1105 }
1106 }
1107 else
1108 ret = FALSE;
1109 }
1110 index++;
1111 }
1112 }
1113 if (found)
1114 CertSetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
1115 0, &keyProvInfo);
1116 CryptMemFree(keyProvInfo.pwszProvName);
1117 CryptMemFree(keyProvInfo.pwszContainerName);
1118 return found;
1119 }
1120
1121 static BOOL cert_prov_info_matches_cert(PCCERT_CONTEXT pCert)
1122 {
1123 BOOL matches = FALSE;
1124 DWORD size;
1125
1126 if (CertGetCertificateContextProperty(pCert, CERT_KEY_PROV_INFO_PROP_ID,
1127 NULL, &size))
1128 {
1129 CRYPT_KEY_PROV_INFO *keyProvInfo = CryptMemAlloc(size);
1130
1131 if (keyProvInfo)
1132 {
1133 if (CertGetCertificateContextProperty(pCert,
1134 CERT_KEY_PROV_INFO_PROP_ID, keyProvInfo, &size))
1135 matches = key_prov_info_matches_cert(pCert, keyProvInfo);
1136 CryptMemFree(keyProvInfo);
1137 }
1138 }
1139 return matches;
1140 }
1141
1142 BOOL WINAPI CryptFindCertificateKeyProvInfo(PCCERT_CONTEXT pCert,
1143 DWORD dwFlags, void *pvReserved)
1144 {
1145 BOOL matches = FALSE;
1146
1147 TRACE("(%p, %08x, %p)\n", pCert, dwFlags, pvReserved);
1148
1149 matches = cert_prov_info_matches_cert(pCert);
1150 if (!matches)
1151 matches = find_matching_provider(pCert, dwFlags);
1152 return matches;
1153 }
1154
1155 BOOL WINAPI CertCompareCertificate(DWORD dwCertEncodingType,
1156 PCERT_INFO pCertId1, PCERT_INFO pCertId2)
1157 {
1158 BOOL ret;
1159
1160 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertId1, pCertId2);
1161
1162 ret = CertCompareCertificateName(dwCertEncodingType, &pCertId1->Issuer,
1163 &pCertId2->Issuer) && CertCompareIntegerBlob(&pCertId1->SerialNumber,
1164 &pCertId2->SerialNumber);
1165 TRACE("returning %d\n", ret);
1166 return ret;
1167 }
1168
1169 BOOL WINAPI CertCompareCertificateName(DWORD dwCertEncodingType,
1170 PCERT_NAME_BLOB pCertName1, PCERT_NAME_BLOB pCertName2)
1171 {
1172 BOOL ret;
1173
1174 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pCertName1, pCertName2);
1175
1176 if (pCertName1->cbData == pCertName2->cbData)
1177 {
1178 if (pCertName1->cbData)
1179 ret = !memcmp(pCertName1->pbData, pCertName2->pbData,
1180 pCertName1->cbData);
1181 else
1182 ret = TRUE;
1183 }
1184 else
1185 ret = FALSE;
1186 TRACE("returning %d\n", ret);
1187 return ret;
1188 }
1189
1190 /* Returns the number of significant bytes in pInt, where a byte is
1191 * insignificant if it's a leading 0 for positive numbers or a leading 0xff
1192 * for negative numbers. pInt is assumed to be little-endian.
1193 */
1194 static DWORD CRYPT_significantBytes(const CRYPT_INTEGER_BLOB *pInt)
1195 {
1196 DWORD ret = pInt->cbData;
1197
1198 while (ret > 1)
1199 {
1200 if (pInt->pbData[ret - 2] <= 0x7f && pInt->pbData[ret - 1] == 0)
1201 ret--;
1202 else if (pInt->pbData[ret - 2] >= 0x80 && pInt->pbData[ret - 1] == 0xff)
1203 ret--;
1204 else
1205 break;
1206 }
1207 return ret;
1208 }
1209
1210 BOOL WINAPI CertCompareIntegerBlob(PCRYPT_INTEGER_BLOB pInt1,
1211 PCRYPT_INTEGER_BLOB pInt2)
1212 {
1213 BOOL ret;
1214 DWORD cb1, cb2;
1215
1216 TRACE("(%p, %p)\n", pInt1, pInt2);
1217
1218 cb1 = CRYPT_significantBytes(pInt1);
1219 cb2 = CRYPT_significantBytes(pInt2);
1220 if (cb1 == cb2)
1221 {
1222 if (cb1)
1223 ret = !memcmp(pInt1->pbData, pInt2->pbData, cb1);
1224 else
1225 ret = TRUE;
1226 }
1227 else
1228 ret = FALSE;
1229 TRACE("returning %d\n", ret);
1230 return ret;
1231 }
1232
1233 BOOL WINAPI CertComparePublicKeyInfo(DWORD dwCertEncodingType,
1234 PCERT_PUBLIC_KEY_INFO pPublicKey1, PCERT_PUBLIC_KEY_INFO pPublicKey2)
1235 {
1236 BOOL ret;
1237
1238 TRACE("(%08x, %p, %p)\n", dwCertEncodingType, pPublicKey1, pPublicKey2);
1239
1240 switch (GET_CERT_ENCODING_TYPE(dwCertEncodingType))
1241 {
1242 case 0: /* Seems to mean "raw binary bits" */
1243 if (pPublicKey1->PublicKey.cbData == pPublicKey2->PublicKey.cbData &&
1244 pPublicKey1->PublicKey.cUnusedBits == pPublicKey2->PublicKey.cUnusedBits)
1245 {
1246 if (pPublicKey2->PublicKey.cbData)
1247 ret = !memcmp(pPublicKey1->PublicKey.pbData,
1248 pPublicKey2->PublicKey.pbData, pPublicKey1->PublicKey.cbData);
1249 else
1250 ret = TRUE;
1251 }
1252 else
1253 ret = FALSE;
1254 break;
1255 default:
1256 WARN("Unknown encoding type %08x\n", dwCertEncodingType);
1257 /* FALLTHROUGH */
1258 case X509_ASN_ENCODING:
1259 {
1260 BLOBHEADER *pblob1, *pblob2;
1261 DWORD length;
1262 ret = FALSE;
1263 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1264 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1265 0, NULL, &length))
1266 {
1267 pblob1 = CryptMemAlloc(length);
1268 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1269 pPublicKey1->PublicKey.pbData, pPublicKey1->PublicKey.cbData,
1270 0, pblob1, &length))
1271 {
1272 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1273 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1274 0, NULL, &length))
1275 {
1276 pblob2 = CryptMemAlloc(length);
1277 if (CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
1278 pPublicKey2->PublicKey.pbData, pPublicKey2->PublicKey.cbData,
1279 0, pblob2, &length))
1280 {
1281 /* The RSAPUBKEY structure directly follows the BLOBHEADER */
1282 RSAPUBKEY *pk1 = (LPVOID)(pblob1 + 1),
1283 *pk2 = (LPVOID)(pblob2 + 1);
1284 ret = (pk1->bitlen == pk2->bitlen) && (pk1->pubexp == pk2->pubexp)
1285 && !memcmp(pk1 + 1, pk2 + 1, pk1->bitlen/8);
1286 }
1287 CryptMemFree(pblob2);
1288 }
1289 }
1290 CryptMemFree(pblob1);
1291 }
1292
1293 break;
1294 }
1295 }
1296 return ret;
1297 }
1298
1299 DWORD WINAPI CertGetPublicKeyLength(DWORD dwCertEncodingType,
1300 PCERT_PUBLIC_KEY_INFO pPublicKey)
1301 {
1302 DWORD len = 0;
1303
1304 TRACE("(%08x, %p)\n", dwCertEncodingType, pPublicKey);
1305
1306 if (GET_CERT_ENCODING_TYPE(dwCertEncodingType) != X509_ASN_ENCODING)
1307 {
1308 SetLastError(ERROR_FILE_NOT_FOUND);
1309 return 0;
1310 }
1311 if (pPublicKey->Algorithm.pszObjId &&
1312 !strcmp(pPublicKey->Algorithm.pszObjId, szOID_RSA_DH))
1313 {
1314 FIXME("unimplemented for DH public keys\n");
1315 SetLastError(CRYPT_E_ASN1_BADTAG);
1316 }
1317 else
1318 {
1319 DWORD size;
1320 PBYTE buf;
1321 BOOL ret = CryptDecodeObjectEx(dwCertEncodingType,
1322 RSA_CSP_PUBLICKEYBLOB, pPublicKey->PublicKey.pbData,
1323 pPublicKey->PublicKey.cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &buf,
1324 &size);
1325
1326 if (ret)
1327 {
1328 RSAPUBKEY *rsaPubKey = (RSAPUBKEY *)(buf + sizeof(BLOBHEADER));
1329
1330 len = rsaPubKey->bitlen;
1331 LocalFree(buf);
1332 }
1333 }
1334 return len;
1335 }
1336
1337 typedef BOOL (*CertCompareFunc)(PCCERT_CONTEXT pCertContext, DWORD dwType,
1338 DWORD dwFlags, const void *pvPara);
1339
1340 static BOOL compare_cert_by_md5_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1341 DWORD dwFlags, const void *pvPara)
1342 {
1343 BOOL ret;
1344 BYTE hash[16];
1345 DWORD size = sizeof(hash);
1346
1347 ret = CertGetCertificateContextProperty(pCertContext,
1348 CERT_MD5_HASH_PROP_ID, hash, &size);
1349 if (ret)
1350 {
1351 const CRYPT_HASH_BLOB *pHash = pvPara;
1352
1353 if (size == pHash->cbData)
1354 ret = !memcmp(pHash->pbData, hash, size);
1355 else
1356 ret = FALSE;
1357 }
1358 return ret;
1359 }
1360
1361 static BOOL compare_cert_by_sha1_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1362 DWORD dwFlags, const void *pvPara)
1363 {
1364 BOOL ret;
1365 BYTE hash[20];
1366 DWORD size = sizeof(hash);
1367
1368 ret = CertGetCertificateContextProperty(pCertContext,
1369 CERT_SHA1_HASH_PROP_ID, hash, &size);
1370 if (ret)
1371 {
1372 const CRYPT_HASH_BLOB *pHash = pvPara;
1373
1374 if (size == pHash->cbData)
1375 ret = !memcmp(pHash->pbData, hash, size);
1376 else
1377 ret = FALSE;
1378 }
1379 return ret;
1380 }
1381
1382 static BOOL compare_cert_by_name(PCCERT_CONTEXT pCertContext, DWORD dwType,
1383 DWORD dwFlags, const void *pvPara)
1384 {
1385 CERT_NAME_BLOB *blob = (CERT_NAME_BLOB *)pvPara, *toCompare;
1386 BOOL ret;
1387
1388 if (dwType & CERT_INFO_SUBJECT_FLAG)
1389 toCompare = &pCertContext->pCertInfo->Subject;
1390 else
1391 toCompare = &pCertContext->pCertInfo->Issuer;
1392 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1393 toCompare, blob);
1394 return ret;
1395 }
1396
1397 static BOOL compare_cert_by_public_key(PCCERT_CONTEXT pCertContext,
1398 DWORD dwType, DWORD dwFlags, const void *pvPara)
1399 {
1400 CERT_PUBLIC_KEY_INFO *publicKey = (CERT_PUBLIC_KEY_INFO *)pvPara;
1401 BOOL ret;
1402
1403 ret = CertComparePublicKeyInfo(pCertContext->dwCertEncodingType,
1404 &pCertContext->pCertInfo->SubjectPublicKeyInfo, publicKey);
1405 return ret;
1406 }
1407
1408 static BOOL compare_cert_by_subject_cert(PCCERT_CONTEXT pCertContext,
1409 DWORD dwType, DWORD dwFlags, const void *pvPara)
1410 {
1411 CERT_INFO *pCertInfo = (CERT_INFO *)pvPara;
1412 BOOL ret;
1413
1414 /* Matching serial number and subject match.. */
1415 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1416 &pCertContext->pCertInfo->Subject, &pCertInfo->Issuer);
1417 if (ret)
1418 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1419 &pCertInfo->SerialNumber);
1420 else
1421 {
1422 /* failing that, if the serial number and issuer match, we match */
1423 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1424 &pCertInfo->SerialNumber);
1425 if (ret)
1426 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1427 &pCertContext->pCertInfo->Issuer, &pCertInfo->Issuer);
1428 }
1429 TRACE("returning %d\n", ret);
1430 return ret;
1431 }
1432
1433 static BOOL compare_cert_by_cert_id(PCCERT_CONTEXT pCertContext, DWORD dwType,
1434 DWORD dwFlags, const void *pvPara)
1435 {
1436 CERT_ID *id = (CERT_ID *)pvPara;
1437 BOOL ret;
1438
1439 switch (id->dwIdChoice)
1440 {
1441 case CERT_ID_ISSUER_SERIAL_NUMBER:
1442 ret = CertCompareCertificateName(pCertContext->dwCertEncodingType,
1443 &pCertContext->pCertInfo->Issuer, &id->u.IssuerSerialNumber.Issuer);
1444 if (ret)
1445 ret = CertCompareIntegerBlob(&pCertContext->pCertInfo->SerialNumber,
1446 &id->u.IssuerSerialNumber.SerialNumber);
1447 break;
1448 case CERT_ID_SHA1_HASH:
1449 ret = compare_cert_by_sha1_hash(pCertContext, dwType, dwFlags,
1450 &id->u.HashId);
1451 break;
1452 case CERT_ID_KEY_IDENTIFIER:
1453 {
1454 DWORD size = 0;
1455
1456 ret = CertGetCertificateContextProperty(pCertContext,
1457 CERT_KEY_IDENTIFIER_PROP_ID, NULL, &size);
1458 if (ret && size == id->u.KeyId.cbData)
1459 {
1460 LPBYTE buf = CryptMemAlloc(size);
1461
1462 if (buf)
1463 {
1464 CertGetCertificateContextProperty(pCertContext,
1465 CERT_KEY_IDENTIFIER_PROP_ID, buf, &size);
1466 ret = !memcmp(buf, id->u.KeyId.pbData, size);
1467 CryptMemFree(buf);
1468 }
1469 }
1470 else
1471 ret = FALSE;
1472 break;
1473 }
1474 default:
1475 ret = FALSE;
1476 break;
1477 }
1478 return ret;
1479 }
1480
1481 static BOOL compare_existing_cert(PCCERT_CONTEXT pCertContext, DWORD dwType,
1482 DWORD dwFlags, const void *pvPara)
1483 {
1484 PCCERT_CONTEXT toCompare = pvPara;
1485 return CertCompareCertificate(pCertContext->dwCertEncodingType,
1486 pCertContext->pCertInfo, toCompare->pCertInfo);
1487 }
1488
1489 static BOOL compare_cert_by_signature_hash(PCCERT_CONTEXT pCertContext, DWORD dwType,
1490 DWORD dwFlags, const void *pvPara)
1491 {
1492 const CRYPT_HASH_BLOB *hash = pvPara;
1493 DWORD size = 0;
1494 BOOL ret;
1495
1496 ret = CertGetCertificateContextProperty(pCertContext,
1497 CERT_SIGNATURE_HASH_PROP_ID, NULL, &size);
1498 if (ret && size == hash->cbData)
1499 {
1500 LPBYTE buf = CryptMemAlloc(size);
1501
1502 if (buf)
1503 {
1504 CertGetCertificateContextProperty(pCertContext,
1505 CERT_SIGNATURE_HASH_PROP_ID, buf, &size);
1506 ret = !memcmp(buf, hash->pbData, size);
1507 CryptMemFree(buf);
1508 }
1509 }
1510 else
1511 ret = FALSE;
1512 return ret;
1513 }
1514
1515 static inline PCCERT_CONTEXT cert_compare_certs_in_store(HCERTSTORE store,
1516 PCCERT_CONTEXT prev, CertCompareFunc compare, DWORD dwType, DWORD dwFlags,
1517 const void *pvPara)
1518 {
1519 BOOL matches = FALSE;
1520 PCCERT_CONTEXT ret;
1521
1522 ret = prev;
1523 do {
1524 ret = CertEnumCertificatesInStore(store, ret);
1525 if (ret)
1526 matches = compare(ret, dwType, dwFlags, pvPara);
1527 } while (ret != NULL && !matches);
1528 return ret;
1529 }
1530
1531 typedef PCCERT_CONTEXT (*CertFindFunc)(HCERTSTORE store, DWORD dwType,
1532 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev);
1533
1534 static PCCERT_CONTEXT find_cert_any(HCERTSTORE store, DWORD dwType,
1535 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1536 {
1537 return CertEnumCertificatesInStore(store, prev);
1538 }
1539
1540 static PCCERT_CONTEXT find_cert_by_issuer(HCERTSTORE store, DWORD dwType,
1541 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1542 {
1543 BOOL ret;
1544 PCCERT_CONTEXT found = NULL, subject = pvPara;
1545 PCERT_EXTENSION ext;
1546 DWORD size;
1547
1548 if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER,
1549 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1550 {
1551 CERT_AUTHORITY_KEY_ID_INFO *info;
1552
1553 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1554 X509_AUTHORITY_KEY_ID, ext->Value.pbData, ext->Value.cbData,
1555 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1556 &info, &size);
1557 if (ret)
1558 {
1559 CERT_ID id;
1560
1561 if (info->CertIssuer.cbData && info->CertSerialNumber.cbData)
1562 {
1563 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1564 memcpy(&id.u.IssuerSerialNumber.Issuer, &info->CertIssuer,
1565 sizeof(CERT_NAME_BLOB));
1566 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1567 &info->CertSerialNumber, sizeof(CRYPT_INTEGER_BLOB));
1568 }
1569 else if (info->KeyId.cbData)
1570 {
1571 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1572 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1573 }
1574 else
1575 ret = FALSE;
1576 if (ret)
1577 found = cert_compare_certs_in_store(store, prev,
1578 compare_cert_by_cert_id, dwType, dwFlags, &id);
1579 LocalFree(info);
1580 }
1581 }
1582 else if ((ext = CertFindExtension(szOID_AUTHORITY_KEY_IDENTIFIER2,
1583 subject->pCertInfo->cExtension, subject->pCertInfo->rgExtension)))
1584 {
1585 CERT_AUTHORITY_KEY_ID2_INFO *info;
1586
1587 ret = CryptDecodeObjectEx(subject->dwCertEncodingType,
1588 X509_AUTHORITY_KEY_ID2, ext->Value.pbData, ext->Value.cbData,
1589 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
1590 &info, &size);
1591 if (ret)
1592 {
1593 CERT_ID id;
1594
1595 if (info->AuthorityCertIssuer.cAltEntry &&
1596 info->AuthorityCertSerialNumber.cbData)
1597 {
1598 PCERT_ALT_NAME_ENTRY directoryName = NULL;
1599 DWORD i;
1600
1601 for (i = 0; !directoryName &&
1602 i < info->AuthorityCertIssuer.cAltEntry; i++)
1603 if (info->AuthorityCertIssuer.rgAltEntry[i].dwAltNameChoice
1604 == CERT_ALT_NAME_DIRECTORY_NAME)
1605 directoryName =
1606 &info->AuthorityCertIssuer.rgAltEntry[i];
1607 if (directoryName)
1608 {
1609 id.dwIdChoice = CERT_ID_ISSUER_SERIAL_NUMBER;
1610 memcpy(&id.u.IssuerSerialNumber.Issuer,
1611 &directoryName->u.DirectoryName, sizeof(CERT_NAME_BLOB));
1612 memcpy(&id.u.IssuerSerialNumber.SerialNumber,
1613 &info->AuthorityCertSerialNumber,
1614 sizeof(CRYPT_INTEGER_BLOB));
1615 }
1616 else
1617 {
1618 FIXME("no supported name type in authority key id2\n");
1619 ret = FALSE;
1620 }
1621 }
1622 else if (info->KeyId.cbData)
1623 {
1624 id.dwIdChoice = CERT_ID_KEY_IDENTIFIER;
1625 memcpy(&id.u.KeyId, &info->KeyId, sizeof(CRYPT_HASH_BLOB));
1626 }
1627 else
1628 ret = FALSE;
1629 if (ret)
1630 found = cert_compare_certs_in_store(store, prev,
1631 compare_cert_by_cert_id, dwType, dwFlags, &id);
1632 LocalFree(info);
1633 }
1634 }
1635 else
1636 found = cert_compare_certs_in_store(store, prev,
1637 compare_cert_by_name, CERT_COMPARE_NAME | CERT_COMPARE_SUBJECT_CERT,
1638 dwFlags, &subject->pCertInfo->Issuer);
1639 return found;
1640 }
1641
1642 static BOOL compare_cert_by_name_str(PCCERT_CONTEXT pCertContext,
1643 DWORD dwType, DWORD dwFlags, const void *pvPara)
1644 {
1645 PCERT_NAME_BLOB name;
1646 DWORD len;
1647 BOOL ret = FALSE;
1648
1649 if (dwType & CERT_INFO_SUBJECT_FLAG)
1650 name = &pCertContext->pCertInfo->Subject;
1651 else
1652 name = &pCertContext->pCertInfo->Issuer;
1653 len = CertNameToStrW(pCertContext->dwCertEncodingType, name,
1654 CERT_SIMPLE_NAME_STR, NULL, 0);
1655 if (len)
1656 {
1657 LPWSTR str = CryptMemAlloc(len * sizeof(WCHAR));
1658
1659 if (str)
1660 {
1661 LPWSTR ptr;
1662
1663 CertNameToStrW(pCertContext->dwCertEncodingType, name,
1664 CERT_SIMPLE_NAME_STR, str, len);
1665 for (ptr = str; *ptr; ptr++)
1666 *ptr = tolowerW(*ptr);
1667 if (strstrW(str, pvPara))
1668 ret = TRUE;
1669 CryptMemFree(str);
1670 }
1671 }
1672 return ret;
1673 }
1674
1675 static PCCERT_CONTEXT find_cert_by_name_str_a(HCERTSTORE store, DWORD dwType,
1676 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1677 {
1678 PCCERT_CONTEXT found = NULL;
1679
1680 TRACE("%s\n", debugstr_a(pvPara));
1681
1682 if (pvPara)
1683 {
1684 int len = MultiByteToWideChar(CP_ACP, 0, pvPara, -1, NULL, 0);
1685 LPWSTR str = CryptMemAlloc(len * sizeof(WCHAR));
1686
1687 if (str)
1688 {
1689 LPWSTR ptr;
1690
1691 MultiByteToWideChar(CP_ACP, 0, pvPara, -1, str, len);
1692 for (ptr = str; *ptr; ptr++)
1693 *ptr = tolowerW(*ptr);
1694 found = cert_compare_certs_in_store(store, prev,
1695 compare_cert_by_name_str, dwType, dwFlags, str);
1696 CryptMemFree(str);
1697 }
1698 }
1699 else
1700 found = find_cert_any(store, dwType, dwFlags, NULL, prev);
1701 return found;
1702 }
1703
1704 static PCCERT_CONTEXT find_cert_by_name_str_w(HCERTSTORE store, DWORD dwType,
1705 DWORD dwFlags, const void *pvPara, PCCERT_CONTEXT prev)
1706 {
1707 PCCERT_CONTEXT found = NULL;
1708
1709 TRACE("%s\n", debugstr_w(pvPara));
1710
1711 if (pvPara)
1712 {
1713 DWORD len = strlenW(pvPara);
1714 LPWSTR str = CryptMemAlloc((len + 1) * sizeof(WCHAR));
1715
1716 if (str)
1717 {
1718 LPCWSTR src;
1719 LPWSTR dst;
1720
1721 for (src = pvPara, dst = str; *src; src++, dst++)
1722 *dst = tolowerW(*src);
1723 *dst = 0;
1724 found = cert_compare_certs_in_store(store, prev,
1725 compare_cert_by_name_str, dwType, dwFlags, str);
1726 CryptMemFree(str);
1727 }
1728 }
1729 else
1730 found = find_cert_any(store, dwType, dwFlags, NULL, prev);
1731 return found;
1732 }
1733
1734 PCCERT_CONTEXT WINAPI CertFindCertificateInStore(HCERTSTORE hCertStore,
1735 DWORD dwCertEncodingType, DWORD dwFlags, DWORD dwType, const void *pvPara,
1736 PCCERT_CONTEXT pPrevCertContext)
1737 {
1738 PCCERT_CONTEXT ret;
1739 CertFindFunc find = NULL;
1740 CertCompareFunc compare = NULL;
1741
1742 TRACE("(%p, %08x, %08x, %08x, %p, %p)\n", hCertStore, dwCertEncodingType,
1743 dwFlags, dwType, pvPara, pPrevCertContext);
1744
1745 switch (dwType >> CERT_COMPARE_SHIFT)
1746 {
1747 case CERT_COMPARE_ANY:
1748 find = find_cert_any;
1749 break;
1750 case CERT_COMPARE_MD5_HASH:
1751 compare = compare_cert_by_md5_hash;
1752 break;
1753 case CERT_COMPARE_SHA1_HASH:
1754 compare = compare_cert_by_sha1_hash;
1755 break;
1756 case CERT_COMPARE_NAME:
1757 compare = compare_cert_by_name;
1758 break;
1759 case CERT_COMPARE_PUBLIC_KEY:
1760 compare = compare_cert_by_public_key;
1761 break;
1762 case CERT_COMPARE_NAME_STR_A:
1763 find = find_cert_by_name_str_a;
1764 break;
1765 case CERT_COMPARE_NAME_STR_W:
1766 find = find_cert_by_name_str_w;
1767 break;
1768 case CERT_COMPARE_SUBJECT_CERT:
1769 compare = compare_cert_by_subject_cert;
1770 break;
1771 case CERT_COMPARE_CERT_ID:
1772 compare = compare_cert_by_cert_id;
1773 break;
1774 case CERT_COMPARE_ISSUER_OF:
1775 find = find_cert_by_issuer;
1776 break;
1777 case CERT_COMPARE_EXISTING:
1778 compare = compare_existing_cert;
1779 break;
1780 case CERT_COMPARE_SIGNATURE_HASH:
1781 compare = compare_cert_by_signature_hash;
1782 break;
1783 default:
1784 FIXME("find type %08x unimplemented\n", dwType);
1785 }
1786
1787 if (find)
1788 ret = find(hCertStore, dwFlags, dwType, pvPara, pPrevCertContext);
1789 else if (compare)
1790 ret = cert_compare_certs_in_store(hCertStore, pPrevCertContext,
1791 compare, dwType, dwFlags, pvPara);
1792 else
1793 ret = NULL;
1794 if (!ret)
1795 SetLastError(CRYPT_E_NOT_FOUND);
1796 TRACE("returning %p\n", ret);
1797 return ret;
1798 }
1799
1800 PCCERT_CONTEXT WINAPI CertGetSubjectCertificateFromStore(HCERTSTORE hCertStore,
1801 DWORD dwCertEncodingType, PCERT_INFO pCertId)
1802 {
1803 TRACE("(%p, %08x, %p)\n", hCertStore, dwCertEncodingType, pCertId);
1804
1805 if (!pCertId)
1806 {
1807 SetLastError(E_INVALIDARG);
1808 return NULL;
1809 }
1810 return CertFindCertificateInStore(hCertStore, dwCertEncodingType, 0,
1811 CERT_FIND_SUBJECT_CERT, pCertId, NULL);
1812 }
1813
1814 BOOL WINAPI CertVerifySubjectCertificateContext(PCCERT_CONTEXT pSubject,
1815 PCCERT_CONTEXT pIssuer, DWORD *pdwFlags)
1816 {
1817 static const DWORD supportedFlags = CERT_STORE_REVOCATION_FLAG |
1818 CERT_STORE_SIGNATURE_FLAG | CERT_STORE_TIME_VALIDITY_FLAG;
1819
1820 if (*pdwFlags & ~supportedFlags)
1821 {
1822 SetLastError(E_INVALIDARG);
1823 return FALSE;
1824 }
1825 if (*pdwFlags & CERT_STORE_REVOCATION_FLAG)
1826 {
1827 DWORD flags = 0;
1828 PCCRL_CONTEXT crl = CertGetCRLFromStore(pSubject->hCertStore, pSubject,
1829 NULL, &flags);
1830
1831 /* FIXME: what if the CRL has expired? */
1832 if (crl)
1833 {
1834 if (CertVerifyCRLRevocation(pSubject->dwCertEncodingType,
1835 pSubject->pCertInfo, 1, (PCRL_INFO *)&crl->pCrlInfo))
1836 *pdwFlags &= CERT_STORE_REVOCATION_FLAG;
1837 }
1838 else
1839 *pdwFlags |= CERT_STORE_NO_CRL_FLAG;
1840 }
1841 if (*pdwFlags & CERT_STORE_TIME_VALIDITY_FLAG)
1842 {
1843 if (0 == CertVerifyTimeValidity(NULL, pSubject->pCertInfo))
1844 *pdwFlags &= ~CERT_STORE_TIME_VALIDITY_FLAG;
1845 }
1846 if (*pdwFlags & CERT_STORE_SIGNATURE_FLAG)
1847 {
1848 if (CryptVerifyCertificateSignatureEx(0, pSubject->dwCertEncodingType,
1849 CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT, (void *)pSubject,
1850 CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT, (void *)pIssuer, 0, NULL))
1851 *pdwFlags &= ~CERT_STORE_SIGNATURE_FLAG;
1852 }
1853 return TRUE;
1854 }
1855
1856 PCCERT_CONTEXT WINAPI CertGetIssuerCertificateFromStore(HCERTSTORE hCertStore,
1857 PCCERT_CONTEXT pSubjectContext, PCCERT_CONTEXT pPrevIssuerContext,
1858 DWORD *pdwFlags)
1859 {
1860 PCCERT_CONTEXT ret;
1861
1862 TRACE("(%p, %p, %p, %08x)\n", hCertStore, pSubjectContext,
1863 pPrevIssuerContext, *pdwFlags);
1864
1865 if (!pSubjectContext)
1866 {
1867 SetLastError(E_INVALIDARG);
1868 return NULL;
1869 }
1870
1871 ret = CertFindCertificateInStore(hCertStore,
1872 pSubjectContext->dwCertEncodingType, 0, CERT_FIND_ISSUER_OF,
1873 pSubjectContext, pPrevIssuerContext);
1874 if (ret)
1875 {
1876 if (!CertVerifySubjectCertificateContext(pSubjectContext, ret,
1877 pdwFlags))
1878 {
1879 CertFreeCertificateContext(ret);
1880 ret = NULL;
1881 }
1882 }
1883 TRACE("returning %p\n", ret);
1884 return ret;
1885 }
1886
1887 typedef struct _OLD_CERT_REVOCATION_STATUS {
1888 DWORD cbSize;
1889 DWORD dwIndex;
1890 DWORD dwError;
1891 DWORD dwReason;
1892 } OLD_CERT_REVOCATION_STATUS;
1893
1894 typedef BOOL (WINAPI *CertVerifyRevocationFunc)(DWORD, DWORD, DWORD,
1895 void **, DWORD, PCERT_REVOCATION_PARA, PCERT_REVOCATION_STATUS);
1896
1897 BOOL WINAPI CertVerifyRevocation(DWORD dwEncodingType, DWORD dwRevType,
1898 DWORD cContext, PVOID rgpvContext[], DWORD dwFlags,
1899 PCERT_REVOCATION_PARA pRevPara, PCERT_REVOCATION_STATUS pRevStatus)
1900 {
1901 BOOL ret;
1902
1903 TRACE("(%08x, %d, %d, %p, %08x, %p, %p)\n", dwEncodingType, dwRevType,
1904 cContext, rgpvContext, dwFlags, pRevPara, pRevStatus);
1905
1906 if (pRevStatus->cbSize != sizeof(OLD_CERT_REVOCATION_STATUS) &&
1907 pRevStatus->cbSize != sizeof(CERT_REVOCATION_STATUS))
1908 {
1909 SetLastError(E_INVALIDARG);
1910 return FALSE;
1911 }
1912 if (cContext)
1913 {
1914 static HCRYPTOIDFUNCSET set = NULL;
1915 DWORD size;
1916
1917 if (!set)
1918 set = CryptInitOIDFunctionSet(CRYPT_OID_VERIFY_REVOCATION_FUNC, 0);
1919 ret = CryptGetDefaultOIDDllList(set, dwEncodingType, NULL, &size);
1920 if (ret)
1921 {
1922 if (size == 1)
1923 {
1924 /* empty list */
1925 SetLastError(CRYPT_E_NO_REVOCATION_DLL);
1926 ret = FALSE;
1927 }
1928 else
1929 {
1930 LPWSTR dllList = CryptMemAlloc(size * sizeof(WCHAR)), ptr;
1931
1932 if (dllList)
1933 {
1934 ret = CryptGetDefaultOIDDllList(set, dwEncodingType,
1935 dllList, &size);
1936 if (ret)
1937 {
1938 for (ptr = dllList; ret && *ptr;
1939 ptr += lstrlenW(ptr) + 1)
1940 {
1941 CertVerifyRevocationFunc func;
1942 HCRYPTOIDFUNCADDR hFunc;
1943
1944 ret = CryptGetDefaultOIDFunctionAddress(set,
1945 dwEncodingType, ptr, 0, (void **)&func, &hFunc);
1946 if (ret)
1947 {
1948 ret = func(dwEncodingType, dwRevType, cContext,
1949 rgpvContext, dwFlags, pRevPara, pRevStatus);
1950 CryptFreeOIDFunctionAddress(hFunc, 0);
1951 }
1952 }
1953 }
1954 CryptMemFree(dllList);
1955 }
1956 else
1957 {
1958 SetLastError(ERROR_OUTOFMEMORY);
1959 ret = FALSE;
1960 }
1961 }
1962 }
1963 }
1964 else
1965 ret = TRUE;
1966 return ret;
1967 }
1968
1969 PCRYPT_ATTRIBUTE WINAPI CertFindAttribute(LPCSTR pszObjId, DWORD cAttr,
1970 CRYPT_ATTRIBUTE rgAttr[])
1971 {
1972 PCRYPT_ATTRIBUTE ret = NULL;
1973 DWORD i;
1974
1975 TRACE("%s %d %p\n", debugstr_a(pszObjId), cAttr, rgAttr);
1976
1977 if (!cAttr)
1978 return NULL;
1979 if (!pszObjId)
1980 {
1981 SetLastError(ERROR_INVALID_PARAMETER);
1982 return NULL;
1983 }
1984
1985 for (i = 0; !ret && i < cAttr; i++)
1986 if (rgAttr[i].pszObjId && !strcmp(pszObjId, rgAttr[i].pszObjId))
1987 ret = &rgAttr[i];
1988 return ret;
1989 }
1990
1991 PCERT_EXTENSION WINAPI CertFindExtension(LPCSTR pszObjId, DWORD cExtensions,
1992 CERT_EXTENSION rgExtensions[])
1993 {
1994 PCERT_EXTENSION ret = NULL;
1995 DWORD i;
1996
1997 TRACE("%s %d %p\n", debugstr_a(pszObjId), cExtensions, rgExtensions);
1998
1999 if (!cExtensions)
2000 return NULL;
2001 if (!pszObjId)
2002 {
2003 SetLastError(ERROR_INVALID_PARAMETER);
2004 return NULL;
2005 }
2006
2007 for (i = 0; !ret && i < cExtensions; i++)
2008 if (rgExtensions[i].pszObjId && !strcmp(pszObjId,
2009 rgExtensions[i].pszObjId))
2010 ret = &rgExtensions[i];
2011 return ret;
2012 }
2013
2014 PCERT_RDN_ATTR WINAPI CertFindRDNAttr(LPCSTR pszObjId, PCERT_NAME_INFO pName)
2015 {
2016 PCERT_RDN_ATTR ret = NULL;
2017 DWORD i, j;
2018
2019 TRACE("%s %p\n", debugstr_a(pszObjId), pName);
2020
2021 if (!pszObjId)
2022 {
2023 SetLastError(ERROR_INVALID_PARAMETER);
2024 return NULL;
2025 }
2026
2027 for (i = 0; !ret && i < pName->cRDN; i++)
2028 for (j = 0; !ret && j < pName->rgRDN[i].cRDNAttr; j++)
2029 if (pName->rgRDN[i].rgRDNAttr[j].pszObjId && !strcmp(pszObjId,
2030 pName->rgRDN[i].rgRDNAttr[j].pszObjId))
2031 ret = &pName->rgRDN[i].rgRDNAttr[j];
2032 return ret;
2033 }
2034
2035 static BOOL find_matching_rdn_attr(DWORD dwFlags, const CERT_NAME_INFO *name,
2036 const CERT_RDN_ATTR *attr)
2037 {
2038 DWORD i, j;
2039 BOOL match = FALSE;
2040
2041 for (i = 0; !match && i < name->cRDN; i++)
2042 {
2043 for (j = 0; j < name->rgRDN[i].cRDNAttr; j++)
2044 {
2045 if (!strcmp(name->rgRDN[i].rgRDNAttr[j].pszObjId,
2046 attr->pszObjId) &&
2047 name->rgRDN[i].rgRDNAttr[j].dwValueType ==
2048 attr->dwValueType)
2049 {
2050 if (dwFlags & CERT_UNICODE_IS_RDN_ATTRS_FLAG)
2051 {
2052 LPCWSTR nameStr =
2053 (LPCWSTR)name->rgRDN[i].rgRDNAttr[j].Value.pbData;
2054 LPCWSTR attrStr = (LPCWSTR)attr->Value.pbData;
2055
2056 if (attr->Value.cbData !=
2057 name->rgRDN[i].rgRDNAttr[j].Value.cbData)
2058 match = FALSE;
2059 else if (dwFlags & CERT_CASE_INSENSITIVE_IS_RDN_ATTRS_FLAG)
2060 match = !strncmpiW(nameStr, attrStr,
2061 attr->Value.cbData / sizeof(WCHAR));
2062 else
2063 match = !strncmpW(nameStr, attrStr,
2064 attr->Value.cbData / sizeof(WCHAR));
2065 TRACE("%s : %s => %d\n",
2066 debugstr_wn(nameStr, attr->Value.cbData / sizeof(WCHAR)),
2067 debugstr_wn(attrStr, attr->Value.cbData / sizeof(WCHAR)),
2068 match);
2069 }
2070 else
2071 {
2072 LPCSTR nameStr =
2073 (LPCSTR)name->rgRDN[i].rgRDNAttr[j].Value.pbData;
2074 LPCSTR attrStr = (LPCSTR)attr->Value.pbData;
2075
2076 if (attr->Value.cbData !=
2077 name->rgRDN[i].rgRDNAttr[j].Value.cbData)
2078 match = FALSE;
2079 else if (dwFlags & CERT_CASE_INSENSITIVE_IS_RDN_ATTRS_FLAG)
2080 match = !strncasecmp(nameStr, attrStr,
2081 attr->Value.cbData);
2082 else
2083 match = !strncmp(nameStr, attrStr, attr->Value.cbData);
2084 TRACE("%s : %s => %d\n",
2085 debugstr_an(nameStr, attr->Value.cbData),
2086 debugstr_an(attrStr, attr->Value.cbData), match);
2087 }
2088 }
2089 }
2090 }
2091 return match;
2092 }
2093
2094 BOOL WINAPI CertIsRDNAttrsInCertificateName(DWORD dwCertEncodingType,
2095 DWORD dwFlags, PCERT_NAME_BLOB pCertName, PCERT_RDN pRDN)
2096 {
2097 CERT_NAME_INFO *name;
2098 LPCSTR type;
2099 DWORD size;
2100 BOOL ret;
2101
2102 TRACE("(%08x, %08x, %p, %p)\n", dwCertEncodingType, dwFlags, pCertName,
2103 pRDN);
2104
2105 type = dwFlags & CERT_UNICODE_IS_RDN_ATTRS_FLAG ? X509_UNICODE_NAME :
2106 X509_NAME;
2107 if ((ret = CryptDecodeObjectEx(dwCertEncodingType, type, pCertName->pbData,
2108 pCertName->cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &name, &size)))
2109 {
2110 DWORD i;
2111
2112 for (i = 0; ret && i < pRDN->cRDNAttr; i++)
2113 ret = find_matching_rdn_attr(dwFlags, name, &pRDN->rgRDNAttr[i]);
2114 if (!ret)
2115 SetLastError(CRYPT_E_NO_MATCH);
2116 LocalFree(name);
2117 }
2118 return ret;
2119 }
2120
2121 LONG WINAPI CertVerifyTimeValidity(LPFILETIME pTimeToVerify,
2122 PCERT_INFO pCertInfo)
2123 {
2124 FILETIME fileTime;
2125 LONG ret;
2126
2127 if (!pTimeToVerify)
2128 {
2129 GetSystemTimeAsFileTime(&fileTime);
2130 pTimeToVerify = &fileTime;
2131 }
2132 if ((ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotBefore)) >= 0)
2133 {
2134 ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotAfter);
2135 if (ret < 0)
2136 ret = 0;
2137 }
2138 return ret;
2139 }
2140
2141 BOOL WINAPI CertVerifyValidityNesting(PCERT_INFO pSubjectInfo,
2142 PCERT_INFO pIssuerInfo)
2143 {
2144 TRACE("(%p, %p)\n", pSubjectInfo, pIssuerInfo);
2145
2146 return CertVerifyTimeValidity(&pSubjectInfo->NotBefore, pIssuerInfo) == 0
2147 && CertVerifyTimeValidity(&pSubjectInfo->NotAfter, pIssuerInfo) == 0;
2148 }
2149
2150 BOOL WINAPI CryptHashCertificate(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
2151 DWORD dwFlags, const BYTE *pbEncoded, DWORD cbEncoded, BYTE *pbComputedHash,
2152 DWORD *pcbComputedHash)
2153 {
2154 BOOL ret = TRUE;
2155 HCRYPTHASH hHash = 0;
2156
2157 TRACE("(%08lx, %d, %08x, %p, %d, %p, %p)\n", hCryptProv, Algid, dwFlags,
2158 pbEncoded, cbEncoded, pbComputedHash, pcbComputedHash);
2159
2160 if (!hCryptProv)
2161 hCryptProv = CRYPT_GetDefaultProvider();
2162 if (!Algid)
2163 Algid = CALG_SHA1;
2164 if (ret)
2165 {
2166 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
2167 if (ret)
2168 {
2169 ret = CryptHashData(hHash, pbEncoded, cbEncoded, 0);
2170 if (ret)
2171 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
2172 pcbComputedHash, 0);
2173 CryptDestroyHash(hHash);
2174 }
2175 }
2176 return ret;
2177 }
2178
2179 BOOL WINAPI CryptHashPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv, ALG_ID Algid,
2180 DWORD dwFlags, DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo,
2181 BYTE *pbComputedHash, DWORD *pcbComputedHash)
2182 {
2183 BOOL ret = TRUE;
2184 HCRYPTHASH hHash = 0;
2185
2186 TRACE("(%08lx, %d, %08x, %d, %p, %p, %p)\n", hCryptProv, Algid, dwFlags,
2187 dwCertEncodingType, pInfo, pbComputedHash, pcbComputedHash);
2188
2189 if (!hCryptProv)
2190 hCryptProv = CRYPT_GetDefaultProvider();
2191 if (!Algid)
2192 Algid = CALG_MD5;
2193 if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING)
2194 {
2195 SetLastError(ERROR_FILE_NOT_FOUND);
2196 return FALSE;
2197 }
2198 if (ret)
2199 {
2200 BYTE *buf;
2201 DWORD size = 0;
2202
2203 ret = CRYPT_AsnEncodePubKeyInfoNoNull(dwCertEncodingType,
2204 X509_PUBLIC_KEY_INFO, pInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
2205 (LPBYTE)&buf, &size);
2206 if (ret)
2207 {
2208 ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
2209 if (ret)
2210 {
2211 ret = CryptHashData(hHash, buf, size, 0);
2212 if (ret)
2213 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
2214 pcbComputedHash, 0);
2215 CryptDestroyHash(hHash);
2216 }
2217 LocalFree(buf);
2218 }
2219 }
2220 return ret;
2221 }
2222
2223 BOOL WINAPI CryptHashToBeSigned(HCRYPTPROV_LEGACY hCryptProv,
2224 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
2225 BYTE *pbComputedHash, DWORD *pcbComputedHash)
2226 {
2227 BOOL ret;
2228 CERT_SIGNED_CONTENT_INFO *info;
2229 DWORD size;
2230
2231 TRACE("(%08lx, %08x, %p, %d, %p, %d)\n", hCryptProv, dwCertEncodingType,
2232 pbEncoded, cbEncoded, pbComputedHash, *pcbComputedHash);
2233
2234 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
2235 pbEncoded, cbEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL, &info, &size);
2236 if (ret)
2237 {
2238 PCCRYPT_OID_INFO oidInfo;
2239 HCRYPTHASH hHash;
2240
2241 if (!hCryptProv)
2242 hCryptProv = CRYPT_GetDefaultProvider();
2243 oidInfo = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2244 info->SignatureAlgorithm.pszObjId, 0);
2245 if (!oidInfo)
2246 {
2247 SetLastError(NTE_BAD_ALGID);
2248 ret = FALSE;
2249 }
2250 else
2251 {
2252 ret = CryptCreateHash(hCryptProv, oidInfo->u.Algid, 0, 0, &hHash);
2253 if (ret)
2254 {
2255 ret = CryptHashData(hHash, info->ToBeSigned.pbData,
2256 info->ToBeSigned.cbData, 0);
2257 if (ret)
2258 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
2259 pcbComputedHash, 0);
2260 CryptDestroyHash(hHash);
2261 }
2262 }
2263 LocalFree(info);
2264 }
2265 return ret;
2266 }
2267
2268 BOOL WINAPI CryptSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
2269 DWORD dwKeySpec, DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
2270 DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
2271 const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
2272 {
2273 BOOL ret;
2274 PCCRYPT_OID_INFO info;
2275 HCRYPTHASH hHash;
2276
2277 TRACE("(%08lx, %d, %d, %p, %d, %p, %p, %p, %p)\n", hCryptProv,
2278 dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
2279 pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
2280
2281 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2282 pSignatureAlgorithm->pszObjId, 0);
2283 if (!info)
2284 {
2285 SetLastError(NTE_BAD_ALGID);
2286 return FALSE;
2287 }
2288 if (info->dwGroupId == CRYPT_HASH_ALG_OID_GROUP_ID)
2289 {
2290 if (!hCryptProv)
2291 hCryptProv = CRYPT_GetDefaultProvider();
2292 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2293 if (ret)
2294 {
2295 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2296 cbEncodedToBeSigned, 0);
2297 if (ret)
2298 ret = CryptGetHashParam(hHash, HP_HASHVAL, pbSignature,
2299 pcbSignature, 0);
2300 CryptDestroyHash(hHash);
2301 }
2302 }
2303 else
2304 {
2305 if (!hCryptProv)
2306 {
2307 SetLastError(ERROR_INVALID_PARAMETER);
2308 ret = FALSE;
2309 }
2310 else
2311 {
2312 ret = CryptCreateHash(hCryptProv, info->u.Algid, 0, 0, &hHash);
2313 if (ret)
2314 {
2315 ret = CryptHashData(hHash, pbEncodedToBeSigned,
2316 cbEncodedToBeSigned, 0);
2317 if (ret)
2318 ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
2319 pcbSignature);
2320 CryptDestroyHash(hHash);
2321 }
2322 }
2323 }
2324 return ret;
2325 }
2326
2327 BOOL WINAPI CryptSignAndEncodeCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProv,
2328 DWORD dwKeySpec, DWORD dwCertEncodingType, LPCSTR lpszStructType,
2329 const void *pvStructInfo, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
2330 const void *pvHashAuxInfo, BYTE *pbEncoded, DWORD *pcbEncoded)
2331 {
2332 BOOL ret;
2333 DWORD encodedSize, hashSize;
2334
2335 TRACE("(%08lx, %d, %d, %s, %p, %p, %p, %p, %p)\n", hCryptProv, dwKeySpec,
2336 dwCertEncodingType, debugstr_a(lpszStructType), pvStructInfo,
2337 pSignatureAlgorithm, pvHashAuxInfo, pbEncoded, pcbEncoded);
2338
2339 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType, pvStructInfo,
2340 NULL, &encodedSize);
2341 if (ret)
2342 {
2343 PBYTE encoded = CryptMemAlloc(encodedSize);
2344
2345 if (encoded)
2346 {
2347 ret = CryptEncodeObject(dwCertEncodingType, lpszStructType,
2348 pvStructInfo, encoded, &encodedSize);
2349 if (ret)
2350 {
2351 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2352 dwCertEncodingType, encoded, encodedSize, pSignatureAlgorithm,
2353 pvHashAuxInfo, NULL, &hashSize);
2354 if (ret)
2355 {
2356 PBYTE hash = CryptMemAlloc(hashSize);
2357
2358 if (hash)
2359 {
2360 ret = CryptSignCertificate(hCryptProv, dwKeySpec,
2361 dwCertEncodingType, encoded, encodedSize,
2362 pSignatureAlgorithm, pvHashAuxInfo, hash, &hashSize);
2363 if (ret)
2364 {
2365 CERT_SIGNED_CONTENT_INFO info = { { 0 } };
2366
2367 info.ToBeSigned.cbData = encodedSize;
2368 info.ToBeSigned.pbData = encoded;
2369 info.SignatureAlgorithm = *pSignatureAlgorithm;
2370 info.Signature.cbData = hashSize;
2371 info.Signature.pbData = hash;
2372 info.Signature.cUnusedBits = 0;
2373 ret = CryptEncodeObject(dwCertEncodingType,
2374 X509_CERT, &info, pbEncoded, pcbEncoded);
2375 }
2376 CryptMemFree(hash);
2377 }
2378 }
2379 }
2380 CryptMemFree(encoded);
2381 }
2382 }
2383 return ret;
2384 }
2385
2386 BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV_LEGACY hCryptProv,
2387 DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
2388 PCERT_PUBLIC_KEY_INFO pPublicKey)
2389 {
2390 CRYPT_DATA_BLOB blob = { cbEncoded, (BYTE *)pbEncoded };
2391
2392 return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
2393 CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &blob,
2394 CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
2395 }
2396
2397 static BOOL CRYPT_VerifyCertSignatureFromPublicKeyInfo(HCRYPTPROV_LEGACY hCryptProv,
2398 DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pubKeyInfo,
2399 const CERT_SIGNED_CONTENT_INFO *signedCert)
2400 {
2401 BOOL ret;
2402 HCRYPTKEY key;
2403 PCCRYPT_OID_INFO info;
2404 ALG_ID pubKeyID, hashID;
2405
2406 info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
2407 signedCert->SignatureAlgorithm.pszObjId, 0);
2408 if (!info || info->dwGroupId != CRYPT_SIGN_ALG_OID_GROUP_ID)
2409 {
2410 SetLastError(NTE_BAD_ALGID);
2411 return FALSE;
2412 }
2413 hashID = info->u.Algid;
2414 if (info->ExtraInfo.cbData >= sizeof(ALG_ID))
2415 pubKeyID = *(ALG_ID *)info->ExtraInfo.pbData;
2416 else
2417 pubKeyID = hashID;
2418 /* Load the default provider if necessary */
2419 if (!hCryptProv)
2420 hCryptProv = CRYPT_GetDefaultProvider();
2421 ret = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType,
2422 pubKeyInfo, pubKeyID, 0, NULL, &key);
2423 if (ret)
2424 {
2425 HCRYPTHASH hash;
2426
2427 ret = CryptCreateHash(hCryptProv, hashID, 0, 0, &hash);
2428 if (ret)
2429 {
2430 ret = CryptHashData(hash, signedCert->ToBeSigned.pbData,
2431 signedCert->ToBeSigned.cbData, 0);
2432 if (ret)
2433 ret = CryptVerifySignatureW(hash, signedCert->Signature.pbData,
2434 signedCert->Signature.cbData, key, NULL, 0);
2435 CryptDestroyHash(hash);
2436 }
2437 CryptDestroyKey(key);
2438 }
2439 return ret;
2440 }
2441
2442 BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV_LEGACY hCryptProv,
2443 DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
2444 DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
2445 {
2446 BOOL ret = TRUE;
2447 CRYPT_DATA_BLOB subjectBlob;
2448
2449 TRACE("(%08lx, %d, %d, %p, %d, %p, %08x, %p)\n", hCryptProv,
2450 dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
2451 dwFlags, pvReserved);
2452
2453 switch (dwSubjectType)
2454 {
2455 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
2456 {
2457 PCRYPT_DATA_BLOB blob = pvSubject;
2458
2459 subjectBlob.pbData = blob->pbData;
2460 subjectBlob.cbData = blob->cbData;
2461 break;
2462 }
2463 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
2464 {
2465 PCERT_CONTEXT context = pvSubject;
2466
2467 subjectBlob.pbData = context->pbCertEncoded;
2468 subjectBlob.cbData = context->cbCertEncoded;
2469 break;
2470 }
2471 case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
2472 {
2473 PCRL_CONTEXT context = pvSubject;
2474
2475 subjectBlob.pbData = context->pbCrlEncoded;
2476 subjectBlob.cbData = context->cbCrlEncoded;
2477 break;
2478 }
2479 default:
2480 SetLastError(E_INVALIDARG);
2481 ret = FALSE;
2482 }
2483
2484 if (ret)
2485 {
2486 PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
2487 DWORD size = 0;
2488
2489 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
2490 subjectBlob.pbData, subjectBlob.cbData,
2491 CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
2492 &signedCert, &size);
2493 if (ret)
2494 {
2495 switch (dwIssuerType)
2496 {
2497 case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
2498 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2499 dwCertEncodingType, pvIssuer,
2500 signedCert);
2501 break;
2502 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
2503 ret = CRYPT_VerifyCertSignatureFromPublicKeyInfo(hCryptProv,
2504 dwCertEncodingType,
2505 &((PCCERT_CONTEXT)pvIssuer)->pCertInfo->SubjectPublicKeyInfo,
2506 signedCert);
2507 break;
2508 case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
2509 FIXME("CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN: stub\n");
2510 ret = FALSE;
2511 break;
2512 case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
2513 if (pvIssuer)
2514 {
2515 SetLastError(E_INVALIDARG);
2516 ret = FALSE;
2517 }
2518 else
2519 {
2520 FIXME("unimplemented for NULL signer\n");
2521 SetLastError(E_INVALIDARG);
2522 ret = FALSE;
2523 }
2524 break;
2525 default:
2526 SetLastError(E_INVALIDARG);
2527 ret = FALSE;
2528 }
2529 LocalFree(signedCert);
2530 }
2531 }
2532 return ret;
2533 }
2534
2535 BOOL WINAPI CertGetIntendedKeyUsage(DWORD dwCertEncodingType,
2536 PCERT_INFO pCertInfo, BYTE *pbKeyUsage, DWORD cbKeyUsage)
2537 {
2538 PCERT_EXTENSION ext;
2539 BOOL ret = FALSE;
2540
2541 TRACE("(%08x, %p, %p, %d)\n", dwCertEncodingType, pCertInfo, pbKeyUsage,
2542 cbKeyUsage);
2543
2544 ext = CertFindExtension(szOID_KEY_USAGE, pCertInfo->cExtension,
2545 pCertInfo->rgExtension);
2546 if (ext)
2547 {
2548 CRYPT_BIT_BLOB usage;
2549 DWORD size = sizeof(usage);
2550
2551 ret = CryptDecodeObjectEx(dwCertEncodingType, X509_BITS,
2552 ext->Value.pbData, ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL,
2553 &usage, &size);
2554 if (ret)
2555 {
2556 if (cbKeyUsage < usage.cbData)
2557 ret = FALSE;
2558 else
2559 {
2560 memcpy(pbKeyUsage, usage.pbData, usage.cbData);
2561 if (cbKeyUsage > usage.cbData)
2562 memset(pbKeyUsage + usage.cbData, 0,
2563 cbKeyUsage - usage.cbData);
2564 }
2565 }
2566 }
2567 else
2568 SetLastError(0);
2569 return ret;
2570 }
2571
2572 BOOL WINAPI CertGetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext, DWORD dwFlags,
2573 PCERT_ENHKEY_USAGE pUsage, DWORD *pcbUsage)
2574 {
2575 PCERT_ENHKEY_USAGE usage = NULL;
2576 DWORD bytesNeeded;
2577 BOOL ret = TRUE;
2578
2579 if (!pCertContext || !pcbUsage)
2580 {
2581 SetLastError(ERROR_INVALID_PARAMETER);
2582 return FALSE;
2583 }
2584
2585 TRACE("(%p, %08x, %p, %d)\n", pCertContext, dwFlags, pUsage, *pcbUsage);
2586
2587 if (!(dwFlags & CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG))
2588 {
2589 DWORD propSize = 0;
2590
2591 if (CertGetCertificateContextProperty(pCertContext,
2592 CERT_ENHKEY_USAGE_PROP_ID, NULL, &propSize))
2593 {
2594 LPBYTE buf = CryptMemAlloc(propSize);
2595
2596 if (buf)
2597 {
2598 if (CertGetCertificateContextProperty(pCertContext,
2599 CERT_ENHKEY_USAGE_PROP_ID, buf, &propSize))
2600 {
2601 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2602 X509_ENHANCED_KEY_USAGE, buf, propSize,
2603 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2604 }
2605 CryptMemFree(buf);
2606 }
2607 }
2608 }
2609 if (!usage && !(dwFlags & CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG))
2610 {
2611 PCERT_EXTENSION ext = CertFindExtension(szOID_ENHANCED_KEY_USAGE,
2612 pCertContext->pCertInfo->cExtension,
2613 pCertContext->pCertInfo->rgExtension);
2614
2615 if (ext)
2616 {
2617 ret = CryptDecodeObjectEx(pCertContext->dwCertEncodingType,
2618 X509_ENHANCED_KEY_USAGE, ext->Value.pbData, ext->Value.cbData,
2619 CRYPT_ENCODE_ALLOC_FLAG, NULL, &usage, &bytesNeeded);
2620 }
2621 }
2622 if (!usage)
2623 {
2624 /* If a particular location is specified, this should fail. Otherwise
2625 * it should succeed with an empty usage. (This is true on Win2k and
2626 * later, which we emulate.)
2627 */
2628 if (dwFlags)
2629 {
2630 SetLastError(CRYPT_E_NOT_FOUND);
2631 ret = FALSE;
2632 }
2633 else
2634 bytesNeeded = sizeof(CERT_ENHKEY_USAGE);
2635 }
2636
2637 if (ret)
2638 {
2639 if (!pUsage)
2640 *pcbUsage = bytesNeeded;
2641 else if (*pcbUsage < bytesNeeded)
2642 {
2643 SetLastError(ERROR_MORE_DATA);
2644 *pcbUsage = bytesNeeded;
2645 ret = FALSE;
2646 }
2647 else
2648 {
2649 *pcbUsage = bytesNeeded;
2650 if (usage)
2651 {
2652 DWORD i;
2653 LPSTR nextOID = (LPSTR)((LPBYTE)pUsage +
2654 sizeof(CERT_ENHKEY_USAGE) +
2655 usage->cUsageIdentifier * sizeof(LPSTR));
2656
2657 pUsage->cUsageIdentifier = usage->cUsageIdentifier;
2658 pUsage->rgpszUsageIdentifier = (LPSTR *)((LPBYTE)pUsage +
2659 sizeof(CERT_ENHKEY_USAGE));
2660 for (i = 0; i < usage->cUsageIdentifier; i++)
2661 {
2662 pUsage->rgpszUsageIdentifier[i] = nextOID;
2663 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2664 nextOID += strlen(nextOID) + 1;
2665 }
2666 }
2667 else
2668 pUsage->cUsageIdentifier = 0;
2669 }
2670 }
2671 if (usage)
2672 LocalFree(usage);
2673 TRACE("returning %d\n", ret);
2674 return ret;
2675 }
2676
2677 BOOL WINAPI CertSetEnhancedKeyUsage(PCCERT_CONTEXT pCertContext,
2678 PCERT_ENHKEY_USAGE pUsage)
2679 {
2680 BOOL ret;
2681
2682 TRACE("(%p, %p)\n", pCertContext, pUsage);
2683
2684 if (pUsage)
2685 {
2686 CRYPT_DATA_BLOB blob = { 0, NULL };
2687
2688 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_ENHANCED_KEY_USAGE,
2689 pUsage, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData, &blob.cbData);
2690 if (ret)
2691 {
2692 ret = CertSetCertificateContextProperty(pCertContext,
2693 CERT_ENHKEY_USAGE_PROP_ID, 0, &blob);
2694 LocalFree(blob.pbData);
2695 }
2696 }
2697 else
2698 ret = CertSetCertificateContextProperty(pCertContext,
2699 CERT_ENHKEY_USAGE_PROP_ID, 0, NULL);
2700 return ret;
2701 }
2702
2703 BOOL WINAPI CertAddEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2704 LPCSTR pszUsageIdentifier)
2705 {
2706 BOOL ret;
2707 DWORD size;
2708
2709 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2710
2711 if (CertGetEnhancedKeyUsage(pCertContext,
2712 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, NULL, &size))
2713 {
2714 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(size);
2715
2716 if (usage)
2717 {
2718 ret = CertGetEnhancedKeyUsage(pCertContext,
2719 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, usage, &size);
2720 if (ret)
2721 {
2722 DWORD i;
2723 BOOL exists = FALSE;
2724
2725 /* Make sure usage doesn't already exist */
2726 for (i = 0; !exists && i < usage->cUsageIdentifier; i++)
2727 {
2728 if (!strcmp(usage->rgpszUsageIdentifier[i],
2729 pszUsageIdentifier))
2730 exists = TRUE;
2731 }
2732 if (!exists)
2733 {
2734 PCERT_ENHKEY_USAGE newUsage = CryptMemAlloc(size +
2735 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2736
2737 if (newUsage)
2738 {
2739 LPSTR nextOID;
2740
2741 newUsage->rgpszUsageIdentifier = (LPSTR *)
2742 ((LPBYTE)newUsage + sizeof(CERT_ENHKEY_USAGE));
2743 nextOID = (LPSTR)((LPBYTE)newUsage->rgpszUsageIdentifier
2744 + (usage->cUsageIdentifier + 1) * sizeof(LPSTR));
2745 for (i = 0; i < usage->cUsageIdentifier; i++)
2746 {
2747 newUsage->rgpszUsageIdentifier[i] = nextOID;
2748 strcpy(nextOID, usage->rgpszUsageIdentifier[i]);
2749 nextOID += strlen(nextOID) + 1;
2750 }
2751 newUsage->rgpszUsageIdentifier[i] = nextOID;
2752 strcpy(nextOID, pszUsageIdentifier);
2753 newUsage->cUsageIdentifier = i + 1;
2754 ret = CertSetEnhancedKeyUsage(pCertContext, newUsage);
2755 CryptMemFree(newUsage);
2756 }
2757 else
2758 ret = FALSE;
2759 }
2760 }
2761 CryptMemFree(usage);
2762 }
2763 else
2764 ret = FALSE;
2765 }
2766 else
2767 {
2768 PCERT_ENHKEY_USAGE usage = CryptMemAlloc(sizeof(CERT_ENHKEY_USAGE) +
2769 sizeof(LPSTR) + strlen(pszUsageIdentifier) + 1);
2770
2771 if (usage)
2772 {
2773 usage->rgpszUsageIdentifier =
2774 (LPSTR *)((LPBYTE)usage + sizeof(CERT_ENHKEY_USAGE));
2775 usage->rgpszUsageIdentifier[0] = (LPSTR)((LPBYTE)usage +
2776 sizeof(CERT_ENHKEY_USAGE) + sizeof(LPSTR));
2777 strcpy(usage->rgpszUsageIdentifier[0], pszUsageIdentifier);
2778 usage->cUsageIdentifier = 1;
2779 ret = CertSetEnhancedKeyUsage(pCertContext, usage);
2780 CryptMemFree(usage);
2781 }
2782 else
2783 ret = FALSE;
2784 }
2785 return ret;
2786 }
2787
2788 BOOL WINAPI CertRemoveEnhancedKeyUsageIdentifier(PCCERT_CONTEXT pCertContext,
2789 LPCSTR pszUsageIdentifier)
2790 {
2791 BOOL ret;
2792 DWORD size;
2793 CERT_ENHKEY_USAGE usage;
2794
2795 TRACE("(%p, %s)\n", pCertContext, debugstr_a(pszUsageIdentifier));
2796
2797 size = sizeof(usage);
2798 ret = CertGetEnhancedKeyUsage(pCertContext,
2799 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, &usage, &size);
2800 if (!ret && GetLastError() == ERROR_MORE_DATA)
2801 {
2802 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2803
2804 if (pUsage)
2805 {
2806 ret = CertGetEnhancedKeyUsage(pCertContext,
2807 CERT_FIND_PROP_ONLY_ENHKEY_USAGE_FLAG, pUsage, &size);
2808 if (ret)
2809 {
2810 if (pUsage->cUsageIdentifier)
2811 {
2812 DWORD i;
2813 BOOL found = FALSE;
2814
2815 for (i = 0; i < pUsage->cUsageIdentifier; i++)
2816 {
2817 if (!strcmp(pUsage->rgpszUsageIdentifier[i],
2818 pszUsageIdentifier))
2819 found = TRUE;
2820 if (found && i < pUsage->cUsageIdentifier - 1)
2821 pUsage->rgpszUsageIdentifier[i] =
2822 pUsage->rgpszUsageIdentifier[i + 1];
2823 }
2824 pUsage->cUsageIdentifier--;
2825 /* Remove the usage if it's empty */
2826 if (pUsage->cUsageIdentifier)
2827 ret = CertSetEnhancedKeyUsage(pCertContext, pUsage);
2828 else
2829 ret = CertSetEnhancedKeyUsage(pCertContext, NULL);
2830 }
2831 }
2832 CryptMemFree(pUsage);
2833 }
2834 else
2835 ret = FALSE;
2836 }
2837 else
2838 {
2839 /* it fit in an empty usage, therefore there's nothing to remove */
2840 ret = TRUE;
2841 }
2842 return ret;
2843 }
2844
2845 struct BitField
2846 {
2847 DWORD cIndexes;
2848 DWORD *indexes;
2849 };
2850
2851 #define BITS_PER_DWORD (sizeof(DWORD) * 8)
2852
2853 static void CRYPT_SetBitInField(struct BitField *field, DWORD bit)
2854 {
2855 DWORD indexIndex = bit / BITS_PER_DWORD;
2856
2857 if (indexIndex + 1 > field->cIndexes)
2858 {
2859 if (field->cIndexes)
2860 field->indexes = CryptMemRealloc(field->indexes,
2861 (indexIndex + 1) * sizeof(DWORD));
2862 else
2863 field->indexes = CryptMemAlloc(sizeof(DWORD));
2864 if (field->indexes)
2865 {
2866 field->indexes[indexIndex] = 0;
2867 field->cIndexes = indexIndex + 1;
2868 }
2869 }
2870 if (field->indexes)
2871 field->indexes[indexIndex] |= 1 << (bit % BITS_PER_DWORD);
2872 }
2873
2874 static BOOL CRYPT_IsBitInFieldSet(const struct BitField *field, DWORD bit)
2875 {
2876 BOOL set = FALSE;
2877 DWORD indexIndex = bit / BITS_PER_DWORD;
2878
2879 assert(field->cIndexes);
2880 set = field->indexes[indexIndex] & (1 << (bit % BITS_PER_DWORD));
2881 return set;
2882 }
2883
2884 BOOL WINAPI CertGetValidUsages(DWORD cCerts, PCCERT_CONTEXT *rghCerts,
2885 int *cNumOIDs, LPSTR *rghOIDs, DWORD *pcbOIDs)
2886 {
2887 BOOL ret = TRUE;
2888 DWORD i, cbOIDs = 0;
2889 BOOL allUsagesValid = TRUE;
2890 CERT_ENHKEY_USAGE validUsages = { 0, NULL };
2891
2892 TRACE("(%d, %p, %d, %p, %d)\n", cCerts, rghCerts, *cNumOIDs,
2893 rghOIDs, *pcbOIDs);
2894
2895 for (i = 0; i < cCerts; i++)
2896 {
2897 CERT_ENHKEY_USAGE usage;
2898 DWORD size = sizeof(usage);
2899
2900 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, &usage, &size);
2901 /* Success is deliberately ignored: it implies all usages are valid */
2902 if (!ret && GetLastError() == ERROR_MORE_DATA)
2903 {
2904 PCERT_ENHKEY_USAGE pUsage = CryptMemAlloc(size);
2905
2906 allUsagesValid = FALSE;
2907 if (pUsage)
2908 {
2909 ret = CertGetEnhancedKeyUsage(rghCerts[i], 0, pUsage, &size);
2910 if (ret)
2911 {
2912 if (!validUsages.cUsageIdentifier)
2913 {
2914 DWORD j;
2915
2916 cbOIDs = pUsage->cUsageIdentifier * sizeof(LPSTR);
2917 validUsages.cUsageIdentifier = pUsage->cUsageIdentifier;
2918 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2919 cbOIDs += lstrlenA(pUsage->rgpszUsageIdentifier[j])
2920 + 1;
2921 validUsages.rgpszUsageIdentifier =
2922 CryptMemAlloc(cbOIDs);
2923 if (validUsages.rgpszUsageIdentifier)
2924 {
2925 LPSTR nextOID = (LPSTR)
2926 ((LPBYTE)validUsages.rgpszUsageIdentifier +
2927 validUsages.cUsageIdentifier * sizeof(LPSTR));
2928
2929 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2930 {
2931 validUsages.rgpszUsageIdentifier[j] = nextOID;
2932 lstrcpyA(validUsages.rgpszUsageIdentifier[j],
2933 pUsage->rgpszUsageIdentifier[j]);
2934 nextOID += lstrlenA(nextOID) + 1;
2935 }
2936 }
2937 }
2938 else
2939 {
2940 struct BitField validIndexes = { 0, NULL };
2941 DWORD j, k, numRemoved = 0;
2942
2943 /* Merge: build a bitmap of all the indexes of
2944 * validUsages.rgpszUsageIdentifier that are in pUsage.
2945 */
2946 for (j = 0; j < pUsage->cUsageIdentifier; j++)
2947 {
2948 for (k = 0; k < validUsages.cUsageIdentifier; k++)
2949 {
2950 if (!strcmp(pUsage->rgpszUsageIdentifier[j],
2951 validUsages.rgpszUsageIdentifier[k]))
2952 {
2953 CRYPT_SetBitInField(&validIndexes, k);
2954 break;
2955 }
2956 }
2957 }
2958 /* Merge by removing from validUsages those that are
2959 * not in the bitmap.
2960 */
2961 for (j = 0; j < validUsages.cUsageIdentifier; j++)
2962 {
2963 if (!CRYPT_IsBitInFieldSet(&validIndexes, j))
2964 {
2965 if (j < validUsages.cUsageIdentifier - 1)
2966 {
2967 memmove(&validUsages.rgpszUsageIdentifier[j],
2968 &validUsages.rgpszUsageIdentifier[j +
2969 numRemoved + 1],
2970 (validUsages.cUsageIdentifier - numRemoved
2971 - j - 1) * sizeof(LPSTR));
2972 cbOIDs -= lstrlenA(
2973 validUsages.rgpszUsageIdentifier[j]) + 1 +
2974 sizeof(LPSTR);
2975 validUsages.cUsageIdentifier--;
2976 numRemoved++;
2977 }
2978 else
2979 validUsages.cUsageIdentifier--;
2980 }
2981 }
2982 CryptMemFree(validIndexes.indexes);
2983 }
2984 }
2985 CryptMemFree(pUsage);
2986 }
2987 }
2988 }
2989 ret = TRUE;
2990 if (allUsagesValid)
2991 {
2992 *cNumOIDs = -1;
2993 *pcbOIDs = 0;
2994 }
2995 else
2996 {
2997 *cNumOIDs = validUsages.cUsageIdentifier;
2998 if (!rghOIDs)
2999 *pcbOIDs = cbOIDs;
3000 else if (*pcbOIDs < cbOIDs)
3001 {
3002 *pcbOIDs = cbOIDs;
3003 SetLastError(ERROR_MORE_DATA);
3004 ret = FALSE;
3005 }
3006 else
3007 {
3008 LPSTR nextOID = (LPSTR)((LPBYTE)rghOIDs +
3009 validUsages.cUsageIdentifier * sizeof(LPSTR));
3010
3011 *pcbOIDs = cbOIDs;
3012 for (i = 0; i < validUsages.cUsageIdentifier; i++)
3013 {
3014 rghOIDs[i] = nextOID;
3015 lstrcpyA(nextOID, validUsages.rgpszUsageIdentifier[i]);
3016 nextOID += lstrlenA(nextOID) + 1;
3017 }
3018 }
3019 }
3020 CryptMemFree(validUsages.rgpszUsageIdentifier);
3021 TRACE("cNumOIDs: %d\n", *cNumOIDs);
3022 TRACE("returning %d\n", ret);
3023 return ret;
3024 }
3025
3026 /* Sets the CERT_KEY_PROV_INFO_PROP_ID property of context from pInfo, or, if
3027 * pInfo is NULL, from the attributes of hProv.
3028 */
3029 static void CertContext_SetKeyProvInfo(PCCERT_CONTEXT context,
3030 const CRYPT_KEY_PROV_INFO *pInfo, HCRYPTPROV hProv)
3031 {
3032 CRYPT_KEY_PROV_INFO info = { 0 };
3033 BOOL ret;
3034
3035 if (!pInfo)
3036 {
3037 DWORD size;
3038 int len;
3039
3040 ret = CryptGetProvParam(hProv, PP_CONTAINER, NULL, &size, 0);
3041 if (ret)
3042 {
3043 LPSTR szContainer = CryptMemAlloc(size);
3044
3045 if (szContainer)
3046 {
3047 ret = CryptGetProvParam(hProv, PP_CONTAINER,
3048 (BYTE *)szContainer, &size, 0);
3049 if (ret)
3050 {
3051 len = MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
3052 NULL, 0);
3053 if (len)
3054 {
3055 info.pwszContainerName = CryptMemAlloc(len *
3056 sizeof(WCHAR));
3057 MultiByteToWideChar(CP_ACP, 0, szContainer, -1,
3058 info.pwszContainerName, len);
3059 }
3060 }
3061 CryptMemFree(szContainer);
3062 }
3063 }
3064 ret = CryptGetProvParam(hProv, PP_NAME, NULL, &size, 0);
3065 if (ret)
3066 {
3067 LPSTR szProvider = CryptMemAlloc(size);
3068
3069 if (szProvider)
3070 {
3071 ret = CryptGetProvParam(hProv, PP_NAME, (BYTE *)szProvider,
3072 &size, 0);
3073 if (ret)
3074 {
3075 len = MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
3076 NULL, 0);
3077 if (len)
3078 {
3079 info.pwszProvName = CryptMemAlloc(len *
3080 sizeof(WCHAR));
3081 MultiByteToWideChar(CP_ACP, 0, szProvider, -1,
3082 info.pwszProvName, len);
3083 }
3084 }
3085 CryptMemFree(szProvider);
3086 }
3087 }
3088 size = sizeof(info.dwKeySpec);
3089 /* in case no CRYPT_KEY_PROV_INFO given,
3090 * we always use AT_SIGNATURE key spec
3091 */
3092 info.dwKeySpec = AT_SIGNATURE;
3093 size = sizeof(info.dwProvType);
3094 ret = CryptGetProvParam(hProv, PP_PROVTYPE, (LPBYTE)&info.dwProvType,
3095 &size, 0);
3096 if (!ret)
3097 info.dwProvType = PROV_RSA_FULL;
3098 pInfo = &info;
3099 }
3100
3101 CertSetCertificateContextProperty(context, CERT_KEY_PROV_INFO_PROP_ID,
3102 0, pInfo);
3103
3104 if (pInfo == &info)
3105 {
3106 CryptMemFree(info.pwszContainerName);
3107 CryptMemFree(info.pwszProvName);
3108 }
3109 }
3110
3111 /* Creates a signed certificate context from the unsigned, encoded certificate
3112 * in blob, using the crypto provider hProv and the signature algorithm sigAlgo.
3113 */
3114 static PCCERT_CONTEXT CRYPT_CreateSignedCert(const CRYPT_DER_BLOB *blob,
3115 HCRYPTPROV hProv, DWORD dwKeySpec, PCRYPT_ALGORITHM_IDENTIFIER sigAlgo)
3116 {
3117 PCCERT_CONTEXT context = NULL;
3118 BOOL ret;
3119 DWORD sigSize = 0;
3120
3121 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
3122 blob->pbData, blob->cbData, sigAlgo, NULL, NULL, &sigSize);
3123 if (ret)
3124 {
3125 LPBYTE sig = CryptMemAlloc(sigSize);
3126
3127 ret = CryptSignCertificate(hProv, dwKeySpec, X509_ASN_ENCODING,
3128 blob->pbData, blob->cbData, sigAlgo, NULL, sig, &sigSize);
3129 if (ret)
3130 {
3131 CERT_SIGNED_CONTENT_INFO signedInfo;
3132 BYTE *encodedSignedCert = NULL;
3133 DWORD encodedSignedCertSize = 0;
3134
3135 signedInfo.ToBeSigned.cbData = blob->cbData;
3136 signedInfo.ToBeSigned.pbData = blob->pbData;
3137 signedInfo.SignatureAlgorithm = *sigAlgo;
3138 signedInfo.Signature.cbData = sigSize;
3139 signedInfo.Signature.pbData = sig;
3140 signedInfo.Signature.cUnusedBits = 0;
3141 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT,
3142 &signedInfo, CRYPT_ENCODE_ALLOC_FLAG, NULL,
3143 &encodedSignedCert, &encodedSignedCertSize);
3144 if (ret)
3145 {
3146 context = CertCreateCertificateContext(X509_ASN_ENCODING,
3147 encodedSignedCert, encodedSignedCertSize);
3148 LocalFree(encodedSignedCert);
3149 }
3150 }
3151 CryptMemFree(sig);
3152 }
3153 return context;
3154 }
3155
3156 /* Copies data from the parameters into info, where:
3157 * pSerialNumber: The serial number. Must not be NULL.
3158 * pSubjectIssuerBlob: Specifies both the subject and issuer for info.
3159 * Must not be NULL
3160 * pSignatureAlgorithm: Optional.
3161 * pStartTime: The starting time of the certificate. If NULL, the current
3162 * system time is used.
3163 * pEndTime: The ending time of the certificate. If NULL, one year past the
3164 * starting time is used.
3165 * pubKey: The public key of the certificate. Must not be NULL.
3166 * pExtensions: Extensions to be included with the certificate. Optional.
3167 */
3168 static void CRYPT_MakeCertInfo(PCERT_INFO info, const CRYPT_DATA_BLOB *pSerialNumber,
3169 const CERT_NAME_BLOB *pSubjectIssuerBlob,
3170 const CRYPT_ALGORITHM_IDENTIFIER *pSignatureAlgorithm, const SYSTEMTIME *pStartTime,
3171 const SYSTEMTIME *pEndTime, const CERT_PUBLIC_KEY_INFO *pubKey,
3172 const CERT_EXTENSIONS *pExtensions)
3173 {
3174 static CHAR oid[] = szOID_RSA_SHA1RSA;
3175
3176 assert(info);
3177 assert(pSerialNumber);
3178 assert(pSubjectIssuerBlob);
3179 assert(pubKey);
3180
3181 if (pExtensions && pExtensions->cExtension)
3182 info->dwVersion = CERT_V3;
3183 else
3184 info->dwVersion = CERT_V1;
3185 info->SerialNumber.cbData = pSerialNumber->cbData;
3186 info->SerialNumber.pbData = pSerialNumber->pbData;
3187 if (pSignatureAlgorithm)
3188 info->SignatureAlgorithm = *pSignatureAlgorithm;
3189 else
3190 {
3191 info->SignatureAlgorithm.pszObjId = oid;
3192 info->SignatureAlgorithm.Parameters.cbData = 0;
3193 info->SignatureAlgorithm.Parameters.pbData = NULL;
3194 }
3195 info->Issuer.cbData = pSubjectIssuerBlob->cbData;
3196 info->Issuer.pbData = pSubjectIssuerBlob->pbData;
3197 if (pStartTime)
3198 SystemTimeToFileTime(pStartTime, &info->NotBefore);
3199 else
3200 GetSystemTimeAsFileTime(&info->NotBefore);
3201 if (pEndTime)
3202 SystemTimeToFileTime(pEndTime, &info->NotAfter);
3203 else
3204 {
3205 SYSTEMTIME endTime;
3206
3207 if (FileTimeToSystemTime(&info->NotBefore, &endTime))
3208 {
3209 endTime.wYear++;
3210 SystemTimeToFileTime(&endTime, &info->NotAfter);
3211 }
3212 }
3213 info->Subject.cbData = pSubjectIssuerBlob->cbData;
3214 info->Subject.pbData = pSubjectIssuerBlob->pbData;
3215 info->SubjectPublicKeyInfo = *pubKey;
3216 if (pExtensions)
3217 {
3218 info->cExtension = pExtensions->cExtension;
3219 info->rgExtension = pExtensions->rgExtension;
3220 }
3221 else
3222 {
3223 info->cExtension = 0;
3224 info->rgExtension = NULL;
3225 }
3226 }
3227
3228 typedef RPC_STATUS (RPC_ENTRY *UuidCreateFunc)(UUID *);
3229 typedef RPC_STATUS (RPC_ENTRY *UuidToStringFunc)(UUID *, unsigned char **);
3230 typedef RPC_STATUS (RPC_ENTRY *RpcStringFreeFunc)(unsigned char **);
3231
3232 static HCRYPTPROV CRYPT_CreateKeyProv(void)
3233 {
3234 HCRYPTPROV hProv = 0;
3235 HMODULE rpcrt = LoadLibraryA("rpcrt4");
3236
3237 if (rpcrt)
3238 {
3239 UuidCreateFunc uuidCreate = (UuidCreateFunc)GetProcAddress(rpcrt,
3240 "UuidCreate");
3241 UuidToStringFunc uuidToString = (UuidToStringFunc)GetProcAddress(rpcrt,
3242 "UuidToStringA");
3243 RpcStringFreeFunc rpcStringFree = (RpcStringFreeFunc)GetProcAddress(
3244 rpcrt, "RpcStringFreeA");
3245
3246 if (uuidCreate && uuidToString && rpcStringFree)
3247 {
3248 UUID uuid;
3249 RPC_STATUS status = uuidCreate(&uuid);
3250
3251 if (status == RPC_S_OK || status == RPC_S_UUID_LOCAL_ONLY)
3252 {
3253 unsigned char *uuidStr;
3254
3255 status = uuidToString(&uuid, &uuidStr);
3256 if (status == RPC_S_OK)
3257 {
3258 BOOL ret = CryptAcquireContextA(&hProv, (LPCSTR)uuidStr,
3259 MS_DEF_PROV_A, PROV_RSA_FULL, CRYPT_NEWKEYSET);
3260
3261 if (ret)
3262 {
3263 HCRYPTKEY key;
3264
3265 ret = CryptGenKey(hProv, AT_SIGNATURE, 0, &key);
3266 if (ret)
3267 CryptDestroyKey(key);
3268 }
3269 rpcStringFree(&uuidStr);
3270 }
3271 }
3272 }
3273 FreeLibrary(rpcrt);
3274 }
3275 return hProv;
3276 }
3277
3278 PCCERT_CONTEXT WINAPI CertCreateSelfSignCertificate(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hProv,
3279 PCERT_NAME_BLOB pSubjectIssuerBlob, DWORD dwFlags,
3280 PCRYPT_KEY_PROV_INFO pKeyProvInfo,
3281 PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm, PSYSTEMTIME pStartTime,
3282 PSYSTEMTIME pEndTime, PCERT_EXTENSIONS pExtensions)
3283 {
3284 PCCERT_CONTEXT context = NULL;
3285 BOOL ret, releaseContext = FALSE;
3286 PCERT_PUBLIC_KEY_INFO pubKey = NULL;
3287 DWORD pubKeySize = 0, dwKeySpec;
3288
3289 TRACE("(%08lx, %p, %08x, %p, %p, %p, %p, %p)\n", hProv,
3290 pSubjectIssuerBlob, dwFlags, pKeyProvInfo, pSignatureAlgorithm, pStartTime,
3291 pExtensions, pExtensions);
3292
3293 if(!pSubjectIssuerBlob)
3294 {
3295 SetLastError(ERROR_INVALID_PARAMETER);
3296 return NULL;
3297 }
3298
3299 dwKeySpec = pKeyProvInfo ? pKeyProvInfo->dwKeySpec : AT_SIGNATURE;
3300 if (!hProv)
3301 {
3302 if (!pKeyProvInfo)
3303 {
3304 hProv = CRYPT_CreateKeyProv();
3305 releaseContext = TRUE;
3306 }
3307 else if (pKeyProvInfo->dwFlags & CERT_SET_KEY_PROV_HANDLE_PROP_ID)
3308 {
3309 SetLastError(NTE_BAD_FLAGS);
3310 return NULL;
3311 }
3312 else
3313 {
3314 HCRYPTKEY hKey = 0;
3315 /* acquire the context using the given information*/
3316 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3317 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3318 pKeyProvInfo->dwFlags);
3319 if (!ret)
3320 {
3321 if(GetLastError() != NTE_BAD_KEYSET)
3322 return NULL;
3323 /* create the key set */
3324 ret = CryptAcquireContextW(&hProv,pKeyProvInfo->pwszContainerName,
3325 pKeyProvInfo->pwszProvName,pKeyProvInfo->dwProvType,
3326 pKeyProvInfo->dwFlags|CRYPT_NEWKEYSET);
3327 if (!ret)
3328 return NULL;
3329 }
3330 /* check if the key is here */
3331 ret = CryptGetUserKey(hProv,dwKeySpec,&hKey);
3332 if(!ret)
3333 {
3334 if (NTE_NO_KEY == GetLastError())
3335 { /* generate the key */
3336 ret = CryptGenKey(hProv,dwKeySpec,0,&hKey);
3337 }
3338 if (!ret)
3339 {
3340 CryptReleaseContext(hProv,0);
3341 SetLastError(NTE_BAD_KEYSET);
3342 return NULL;
3343 }
3344 }
3345 CryptDestroyKey(hKey);
3346 releaseContext = TRUE;
3347 }
3348 }
3349
3350 ret = CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING, NULL,
3351 &pubKeySize);
3352 if (!ret)
3353 goto end;
3354 pubKey = CryptMemAlloc(pubKeySize);
3355 if (pubKey)
3356 {
3357 ret = CryptExportPublicKeyInfo(hProv, dwKeySpec, X509_ASN_ENCODING,
3358 pubKey, &pubKeySize);
3359 if (ret)
3360 {
3361 CERT_INFO info = { 0 };
3362 CRYPT_DER_BLOB blob = { 0, NULL };
3363 BYTE serial[16];
3364 CRYPT_DATA_BLOB serialBlob = { sizeof(serial), serial };
3365
3366 CryptGenRandom(hProv, sizeof(serial), serial);
3367 CRYPT_MakeCertInfo(&info, &serialBlob, pSubjectIssuerBlob,
3368 pSignatureAlgorithm, pStartTime, pEndTime, pubKey, pExtensions);
3369 ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT_TO_BE_SIGNED,
3370 &info, CRYPT_ENCODE_ALLOC_FLAG, NULL, &blob.pbData,
3371 &blob.cbData);
3372 if (ret)
3373 {
3374 if (!(dwFlags & CERT_CREATE_SELFSIGN_NO_SIGN))
3375 context = CRYPT_CreateSignedCert(&blob, hProv,dwKeySpec,
3376 &info.SignatureAlgorithm);
3377 else
3378 context = CertCreateCertificateContext(X509_ASN_ENCODING,
3379 blob.pbData, blob.cbData);
3380 if (context && !(dwFlags & CERT_CREATE_SELFSIGN_NO_KEY_INFO))
3381 CertContext_SetKeyProvInfo(context, pKeyProvInfo, hProv);
3382 LocalFree(blob.pbData);
3383 }
3384 }
3385 CryptMemFree(pubKey);
3386 }
3387 end:
3388 if (releaseContext)
3389 CryptReleaseContext(hProv, 0);
3390 return context;
3391 }
3392
3393 BOOL WINAPI CertVerifyCTLUsage(DWORD dwEncodingType, DWORD dwSubjectType,
3394 void *pvSubject, PCTL_USAGE pSubjectUsage, DWORD dwFlags,
3395 PCTL_VERIFY_USAGE_PARA pVerifyUsagePara,
3396 PCTL_VERIFY_USAGE_STATUS pVerifyUsageStatus)
3397 {
3398 FIXME("(0x%x, %d, %p, %p, 0x%x, %p, %p): stub\n", dwEncodingType,
3399 dwSubjectType, pvSubject, pSubjectUsage, dwFlags, pVerifyUsagePara,
3400 pVerifyUsageStatus);
3401 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
3402 return FALSE;
3403 }
3404
3405 const void * WINAPI CertCreateContext(DWORD dwContextType, DWORD dwEncodingType,
3406 const BYTE *pbEncoded, DWORD cbEncoded,
3407 DWORD dwFlags, PCERT_CREATE_CONTEXT_PARA pCreatePara)
3408 {
3409 TRACE("(0x%x, 0x%x, %p, %d, 0x%08x, %p)\n", dwContextType, dwEncodingType,
3410 pbEncoded, cbEncoded, dwFlags, pCreatePara);
3411
3412 if (dwFlags)
3413 {
3414 FIXME("dwFlags 0x%08x not handled\n", dwFlags);
3415 return NULL;
3416 }
3417 if (pCreatePara)
3418 {
3419 FIXME("pCreatePara not handled\n");
3420 return NULL;
3421 }
3422
3423 switch (dwContextType)
3424 {
3425 case CERT_STORE_CERTIFICATE_CONTEXT:
3426 return CertCreateCertificateContext(dwEncodingType, pbEncoded, cbEncoded);
3427 case CERT_STORE_CRL_CONTEXT:
3428 return CertCreateCRLContext(dwEncodingType, pbEncoded, cbEncoded);
3429 case CERT_STORE_CTL_CONTEXT:
3430 return CertCreateCTLContext(dwEncodingType, pbEncoded, cbEncoded);
3431 default:
3432 WARN("unknown context type: 0x%x\n", dwContextType);
3433 return NULL;
3434 }
3435 }
Windows API implementation