dlls/wintrust/softpub.c

   1 /*
   2  * Copyright 2007 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 #include <stdarg.h>
  19
  20 #define NONAMELESSUNION
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "wintrust.h"
  25 #include "mssip.h"
  26 #include "softpub.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(wintrust);
  30
  31 HRESULT WINAPI SoftpubDefCertInit(CRYPT_PROVIDER_DATA *data)
  32 {
  33     HRESULT ret = S_FALSE;
  34
  35     TRACE("(%p)\n", data);
  36
  37     if (data->padwTrustStepErrors &&
  38      !data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_WVTINIT])
  39         ret = S_OK;
  40     TRACE("returning %08x\n", ret);
  41     return ret;
  42 }
  43
  44 HRESULT WINAPI SoftpubInitialize(CRYPT_PROVIDER_DATA *data)
  45 {
  46     HRESULT ret = S_FALSE;
  47
  48     TRACE("(%p)\n", data);
  49
  50     if (data->padwTrustStepErrors &&
  51      !data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_WVTINIT])
  52         ret = S_OK;
  53     TRACE("returning %08x\n", ret);
  54     return ret;
  55 }
  56
  57 HRESULT WINAPI DriverInitializePolicy(CRYPT_PROVIDER_DATA *data)
  58 {
  59     FIXME("stub\n");
  60     return S_OK;
  61 }
  62
  63 HRESULT WINAPI DriverCleanupPolicy(CRYPT_PROVIDER_DATA *data)
  64 {
  65     FIXME("stub\n");
  66     return S_OK;
  67 }
  68
  69 HRESULT WINAPI DriverFinalPolicy(CRYPT_PROVIDER_DATA *data)
  70 {
  71     FIXME("stub\n");
  72     return S_OK;
  73 }
  74
  75 /* Assumes data->pWintrustData->u.pFile exists.  Makes sure a file handle is
  76  * open for the file.
  77  */
  78 static BOOL SOFTPUB_OpenFile(CRYPT_PROVIDER_DATA *data)
  79 {
  80     BOOL ret = TRUE;
  81
  82     /* PSDK implies that all values should be initialized to NULL, so callers
  83      * typically have hFile as NULL rather than INVALID_HANDLE_VALUE.  Check
  84      * for both.
  85      */
  86     if (!data->pWintrustData->u.pFile->hFile ||
  87      data->pWintrustData->u.pFile->hFile == INVALID_HANDLE_VALUE)
  88     {
  89         data->pWintrustData->u.pFile->hFile =
  90             CreateFileW(data->pWintrustData->u.pFile->pcwszFilePath, GENERIC_READ,
  91           FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  92         if (data->pWintrustData->u.pFile->hFile != INVALID_HANDLE_VALUE)
  93             data->fOpenedFile = TRUE;
  94         else
  95             ret = FALSE;
  96     }
  97     if (ret)
  98         GetFileTime(data->pWintrustData->u.pFile->hFile, &data->sftSystemTime,
  99          NULL, NULL);
 100     TRACE("returning %d\n", ret);
 101     return ret;
 102 }
 103
 104 /* Assumes data->pWintrustData->u.pFile exists.  Sets data->pPDSip->gSubject to
 105  * the file's subject GUID.
 106  */
 107 static BOOL SOFTPUB_GetFileSubject(CRYPT_PROVIDER_DATA *data)
 108 {
 109     BOOL ret;
 110
 111     if (!WVT_ISINSTRUCT(WINTRUST_FILE_INFO,
 112      data->pWintrustData->u.pFile->cbStruct, pgKnownSubject) ||
 113      !data->pWintrustData->u.pFile->pgKnownSubject)
 114     {
 115         ret = CryptSIPRetrieveSubjectGuid(
 116          data->pWintrustData->u.pFile->pcwszFilePath,
 117          data->pWintrustData->u.pFile->hFile,
 118          &data->u.pPDSip->gSubject);
 119     }
 120     else
 121     {
 122         data->u.pPDSip->gSubject = *data->pWintrustData->u.pFile->pgKnownSubject;
 123         ret = TRUE;
 124     }
 125     TRACE("returning %d\n", ret);
 126     return ret;
 127 }
 128
 129 /* Assumes data->u.pPDSip exists, and its gSubject member set.
 130  * Allocates data->u.pPDSip->pSip and loads it, if possible.
 131  */
 132 static BOOL SOFTPUB_GetSIP(CRYPT_PROVIDER_DATA *data)
 133 {
 134     BOOL ret;
 135
 136     data->u.pPDSip->pSip = data->psPfns->pfnAlloc(sizeof(SIP_DISPATCH_INFO));
 137     if (data->u.pPDSip->pSip)
 138         ret = CryptSIPLoad(&data->u.pPDSip->gSubject, 0, data->u.pPDSip->pSip);
 139     else
 140     {
 141         SetLastError(ERROR_OUTOFMEMORY);
 142         ret = FALSE;
 143     }
 144     TRACE("returning %d\n", ret);
 145     return ret;
 146 }
 147
 148 /* Assumes data->u.pPDSip has been loaded, and data->u.pPDSip->pSip allocated.
 149  * Calls data->u.pPDSip->pSip->pfGet to construct data->hMsg.
 150  */
 151 static BOOL SOFTPUB_GetMessageFromFile(CRYPT_PROVIDER_DATA *data, HANDLE file,
 152  LPCWSTR filePath)
 153 {
 154     BOOL ret;
 155     LPBYTE buf = NULL;
 156     DWORD size = 0;
 157
 158     data->u.pPDSip->psSipSubjectInfo =
 159      data->psPfns->pfnAlloc(sizeof(SIP_SUBJECTINFO));
 160     if (!data->u.pPDSip->psSipSubjectInfo)
 161     {
 162         SetLastError(ERROR_OUTOFMEMORY);
 163         return FALSE;
 164     }
 165
 166     data->u.pPDSip->psSipSubjectInfo->cbSize = sizeof(SIP_SUBJECTINFO);
 167     data->u.pPDSip->psSipSubjectInfo->pgSubjectType = &data->u.pPDSip->gSubject;
 168     data->u.pPDSip->psSipSubjectInfo->hFile = file;
 169     data->u.pPDSip->psSipSubjectInfo->pwsFileName = filePath;
 170     data->u.pPDSip->psSipSubjectInfo->hProv = data->hProv;
 171     ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
 172      &data->dwEncoding, 0, &size, 0);
 173     if (!ret)
 174     {
 175         SetLastError(TRUST_E_NOSIGNATURE);
 176         return FALSE;
 177     }
 178
 179     buf = data->psPfns->pfnAlloc(size);
 180     if (!buf)
 181     {
 182         SetLastError(ERROR_OUTOFMEMORY);
 183         return FALSE;
 184     }
 185
 186     ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
 187      &data->dwEncoding, 0, &size, buf);
 188     if (ret)
 189     {
 190         data->hMsg = CryptMsgOpenToDecode(data->dwEncoding, 0, 0, data->hProv,
 191          NULL, NULL);
 192         if (data->hMsg)
 193             ret = CryptMsgUpdate(data->hMsg, buf, size, TRUE);
 194     }
 195
 196     data->psPfns->pfnFree(buf);
 197     TRACE("returning %d\n", ret);
 198     return ret;
 199 }
 200
 201 static BOOL SOFTPUB_CreateStoreFromMessage(CRYPT_PROVIDER_DATA *data)
 202 {
 203     BOOL ret = FALSE;
 204     HCERTSTORE store;
 205
 206     store = CertOpenStore(CERT_STORE_PROV_MSG, data->dwEncoding,
 207      data->hProv, CERT_STORE_NO_CRYPT_RELEASE_FLAG, data->hMsg);
 208     if (store)
 209     {
 210         ret = data->psPfns->pfnAddStore2Chain(data, store);
 211         CertCloseStore(store, 0);
 212     }
 213     TRACE("returning %d\n", ret);
 214     return ret;
 215 }
 216
 217 static DWORD SOFTPUB_DecodeInnerContent(CRYPT_PROVIDER_DATA *data)
 218 {
 219     BOOL ret;
 220     DWORD size;
 221     LPSTR oid = NULL;
 222     LPBYTE buf = NULL;
 223
 224     ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, NULL,
 225      &size);
 226     if (!ret)
 227         goto error;
 228     oid = data->psPfns->pfnAlloc(size);
 229     if (!oid)
 230     {
 231         SetLastError(ERROR_OUTOFMEMORY);
 232         ret = FALSE;
 233         goto error;
 234     }
 235     ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, oid,
 236      &size);
 237     if (!ret)
 238         goto error;
 239     ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, NULL, &size);
 240     if (!ret)
 241         goto error;
 242     buf = data->psPfns->pfnAlloc(size);
 243     if (!buf)
 244     {
 245         SetLastError(ERROR_OUTOFMEMORY);
 246         ret = FALSE;
 247         goto error;
 248     }
 249     ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, buf, &size);
 250     if (!ret)
 251         goto error;
 252     ret = CryptDecodeObject(data->dwEncoding, oid, buf, size, 0, NULL, &size);
 253     if (!ret)
 254         goto error;
 255     data->u.pPDSip->psIndirectData = data->psPfns->pfnAlloc(size);
 256     if (!data->u.pPDSip->psIndirectData)
 257     {
 258         SetLastError(ERROR_OUTOFMEMORY);
 259         ret = FALSE;
 260         goto error;
 261     }
 262     ret = CryptDecodeObject(data->dwEncoding, oid, buf, size, 0,
 263      data->u.pPDSip->psIndirectData, &size);
 264
 265 error:
 266     TRACE("returning %d\n", ret);
 267     data->psPfns->pfnFree(oid);
 268     data->psPfns->pfnFree(buf);
 269     return ret;
 270 }
 271
 272 static BOOL SOFTPUB_LoadCertMessage(CRYPT_PROVIDER_DATA *data)
 273 {
 274     BOOL ret;
 275
 276     if (data->pWintrustData->u.pCert &&
 277      WVT_IS_CBSTRUCT_GT_MEMBEROFFSET(WINTRUST_CERT_INFO,
 278      data->pWintrustData->u.pCert->cbStruct, psCertContext))
 279     {
 280         if (data->psPfns)
 281         {
 282             CRYPT_PROVIDER_SGNR signer = { sizeof(signer), { 0 } };
 283             DWORD i;
 284
 285             /* Add a signer with nothing but the time to verify, so we can
 286              * add a cert to it
 287              */
 288             if (WVT_ISINSTRUCT(WINTRUST_CERT_INFO,
 289              data->pWintrustData->u.pCert->cbStruct, psftVerifyAsOf) &&
 290              data->pWintrustData->u.pCert->psftVerifyAsOf)
 291                 data->sftSystemTime = signer.sftVerifyAsOf;
 292             else
 293             {
 294                 SYSTEMTIME sysTime;
 295
 296                 GetSystemTime(&sysTime);
 297                 SystemTimeToFileTime(&sysTime, &signer.sftVerifyAsOf);
 298             }
 299             ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, 0, &signer);
 300             if (ret)
 301             {
 302                 ret = data->psPfns->pfnAddCert2Chain(data, 0, FALSE, 0,
 303                  data->pWintrustData->u.pCert->psCertContext);
 304                 if (WVT_ISINSTRUCT(WINTRUST_CERT_INFO,
 305                  data->pWintrustData->u.pCert->cbStruct, pahStores))
 306                         for (i = 0;
 307                          ret && i < data->pWintrustData->u.pCert->chStores; i++)
 308                             ret = data->psPfns->pfnAddStore2Chain(data,
 309                              data->pWintrustData->u.pCert->pahStores[i]);
 310             }
 311         }
 312         else
 313         {
 314             /* Do nothing!?  See the tests */
 315             ret = TRUE;
 316         }
 317     }
 318     else
 319     {
 320         SetLastError(ERROR_INVALID_PARAMETER);
 321         ret = FALSE;
 322     }
 323     return ret;
 324 }
 325
 326 static BOOL SOFTPUB_LoadFileMessage(CRYPT_PROVIDER_DATA *data)
 327 {
 328     BOOL ret;
 329
 330     if (!data->pWintrustData->u.pFile)
 331     {
 332         SetLastError(ERROR_INVALID_PARAMETER);
 333         ret = FALSE;
 334         goto error;
 335     }
 336     ret = SOFTPUB_OpenFile(data);
 337     if (!ret)
 338         goto error;
 339     ret = SOFTPUB_GetFileSubject(data);
 340     if (!ret)
 341         goto error;
 342     ret = SOFTPUB_GetSIP(data);
 343     if (!ret)
 344         goto error;
 345     ret = SOFTPUB_GetMessageFromFile(data, data->pWintrustData->u.pFile->hFile,
 346      data->pWintrustData->u.pFile->pcwszFilePath);
 347     if (!ret)
 348         goto error;
 349     ret = SOFTPUB_CreateStoreFromMessage(data);
 350     if (!ret)
 351         goto error;
 352     ret = SOFTPUB_DecodeInnerContent(data);
 353 error:
 354     return ret;
 355 }
 356
 357 static BOOL SOFTPUB_LoadCatalogMessage(CRYPT_PROVIDER_DATA *data)
 358 {
 359     BOOL ret;
 360     HANDLE catalog = INVALID_HANDLE_VALUE;
 361
 362     if (!data->pWintrustData->u.pCatalog)
 363     {
 364         SetLastError(ERROR_INVALID_PARAMETER);
 365         return FALSE;
 366     }
 367     catalog = CreateFileW(data->pWintrustData->u.pCatalog->pcwszCatalogFilePath,
 368      GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
 369      NULL);
 370     if (catalog == INVALID_HANDLE_VALUE)
 371         return FALSE;
 372     ret = CryptSIPRetrieveSubjectGuid(
 373      data->pWintrustData->u.pCatalog->pcwszCatalogFilePath, catalog,
 374      &data->u.pPDSip->gSubject);
 375     if (!ret)
 376         goto error;
 377     ret = SOFTPUB_GetSIP(data);
 378     if (!ret)
 379         goto error;
 380     ret = SOFTPUB_GetMessageFromFile(data, catalog,
 381      data->pWintrustData->u.pCatalog->pcwszCatalogFilePath);
 382     if (!ret)
 383         goto error;
 384     ret = SOFTPUB_CreateStoreFromMessage(data);
 385     if (!ret)
 386         goto error;
 387     ret = SOFTPUB_DecodeInnerContent(data);
 388     /* FIXME: this loads the catalog file, but doesn't validate the member. */
 389 error:
 390     CloseHandle(catalog);
 391     return ret;
 392 }
 393
 394 HRESULT WINAPI SoftpubLoadMessage(CRYPT_PROVIDER_DATA *data)
 395 {
 396     BOOL ret;
 397
 398     TRACE("(%p)\n", data);
 399
 400     if (!data->padwTrustStepErrors)
 401         return S_FALSE;
 402
 403     switch (data->pWintrustData->dwUnionChoice)
 404     {
 405     case WTD_CHOICE_CERT:
 406         ret = SOFTPUB_LoadCertMessage(data);
 407         break;
 408     case WTD_CHOICE_FILE:
 409         ret = SOFTPUB_LoadFileMessage(data);
 410         break;
 411     case WTD_CHOICE_CATALOG:
 412         ret = SOFTPUB_LoadCatalogMessage(data);
 413         break;
 414     default:
 415         FIXME("unimplemented for %d\n", data->pWintrustData->dwUnionChoice);
 416         SetLastError(ERROR_INVALID_PARAMETER);
 417         ret = FALSE;
 418     }
 419
 420     if (!ret)
 421         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] =
 422          GetLastError();
 423     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 424      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV]);
 425     return ret ? S_OK : S_FALSE;
 426 }
 427
 428 static CMSG_SIGNER_INFO *WINTRUST_GetSigner(CRYPT_PROVIDER_DATA *data,
 429  DWORD signerIdx)
 430 {
 431     BOOL ret;
 432     CMSG_SIGNER_INFO *signerInfo = NULL;
 433     DWORD size;
 434
 435     ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM, signerIdx,
 436      NULL, &size);
 437     if (ret)
 438     {
 439         signerInfo = data->psPfns->pfnAlloc(size);
 440         if (signerInfo)
 441         {
 442             ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM,
 443              signerIdx, signerInfo, &size);
 444             if (!ret)
 445             {
 446                 data->psPfns->pfnFree(signerInfo);
 447                 signerInfo = NULL;
 448             }
 449         }
 450         else
 451             SetLastError(ERROR_OUTOFMEMORY);
 452     }
 453     return signerInfo;
 454 }
 455
 456 static BOOL WINTRUST_SaveSigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 457 {
 458     BOOL ret;
 459     CMSG_SIGNER_INFO *signerInfo = WINTRUST_GetSigner(data, signerIdx);
 460
 461     if (signerInfo)
 462     {
 463         CRYPT_PROVIDER_SGNR sgnr = { sizeof(sgnr), { 0 } };
 464
 465         sgnr.psSigner = signerInfo;
 466         sgnr.sftVerifyAsOf = data->sftSystemTime;
 467         ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, signerIdx, &sgnr);
 468     }
 469     else
 470         ret = FALSE;
 471     return ret;
 472 }
 473
 474 static CERT_INFO *WINTRUST_GetSignerCertInfo(CRYPT_PROVIDER_DATA *data,
 475  DWORD signerIdx)
 476 {
 477     BOOL ret;
 478     CERT_INFO *certInfo = NULL;
 479     DWORD size;
 480
 481     ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM, signerIdx,
 482      NULL, &size);
 483     if (ret)
 484     {
 485         certInfo = data->psPfns->pfnAlloc(size);
 486         if (certInfo)
 487         {
 488             ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM,
 489              signerIdx, certInfo, &size);
 490             if (!ret)
 491             {
 492                 data->psPfns->pfnFree(certInfo);
 493                 certInfo = NULL;
 494             }
 495         }
 496         else
 497             SetLastError(ERROR_OUTOFMEMORY);
 498     }
 499     return certInfo;
 500 }
 501
 502 static BOOL WINTRUST_VerifySigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 503 {
 504     BOOL ret;
 505     CERT_INFO *certInfo = WINTRUST_GetSignerCertInfo(data, signerIdx);
 506
 507     if (certInfo)
 508     {
 509         PCCERT_CONTEXT subject = CertGetSubjectCertificateFromStore(
 510          data->pahStores[0], data->dwEncoding, certInfo);
 511
 512         if (subject)
 513         {
 514             CMSG_CTRL_VERIFY_SIGNATURE_EX_PARA para = { sizeof(para), 0,
 515              signerIdx, CMSG_VERIFY_SIGNER_CERT, (LPVOID)subject };
 516
 517             ret = CryptMsgControl(data->hMsg, 0, CMSG_CTRL_VERIFY_SIGNATURE_EX,
 518              &para);
 519             if (!ret)
 520                 SetLastError(TRUST_E_CERT_SIGNATURE);
 521             else
 522                 data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 523                  subject);
 524             CertFreeCertificateContext(subject);
 525         }
 526         else
 527         {
 528             SetLastError(TRUST_E_NO_SIGNER_CERT);
 529             ret = FALSE;
 530         }
 531         data->psPfns->pfnFree(certInfo);
 532     }
 533     else
 534         ret = FALSE;
 535     return ret;
 536 }
 537
 538 HRESULT WINAPI SoftpubLoadSignature(CRYPT_PROVIDER_DATA *data)
 539 {
 540     BOOL ret;
 541
 542     TRACE("(%p)\n", data);
 543
 544     if (!data->padwTrustStepErrors)
 545         return S_FALSE;
 546
 547     if (data->hMsg)
 548     {
 549         DWORD signerCount, size;
 550
 551         size = sizeof(signerCount);
 552         ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_COUNT_PARAM, 0,
 553          &signerCount, &size);
 554         if (ret)
 555         {
 556             DWORD i;
 557
 558             for (i = 0; ret && i < signerCount; i++)
 559             {
 560                 if ((ret = WINTRUST_SaveSigner(data, i)))
 561                     ret = WINTRUST_VerifySigner(data, i);
 562             }
 563         }
 564         else
 565             SetLastError(TRUST_E_NOSIGNATURE);
 566     }
 567     else
 568         ret = TRUE;
 569     if (!ret)
 570         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_SIGPROV] =
 571          GetLastError();
 572     return ret ? S_OK : S_FALSE;
 573 }
 574
 575 static DWORD WINTRUST_TrustStatusToConfidence(DWORD errorStatus)
 576 {
 577     DWORD confidence = 0;
 578
 579     confidence = 0;
 580     if (!(errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID))
 581         confidence |= CERT_CONFIDENCE_SIG;
 582     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_VALID))
 583         confidence |= CERT_CONFIDENCE_TIME;
 584     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED))
 585         confidence |= CERT_CONFIDENCE_TIMENEST;
 586     return confidence;
 587 }
 588
 589 BOOL WINAPI SoftpubCheckCert(CRYPT_PROVIDER_DATA *data, DWORD idxSigner,
 590  BOOL fCounterSignerChain, DWORD idxCounterSigner)
 591 {
 592     BOOL ret;
 593
 594     TRACE("(%p, %d, %d, %d)\n", data, idxSigner, fCounterSignerChain,
 595      idxCounterSigner);
 596
 597     if (fCounterSignerChain)
 598     {
 599         FIXME("unimplemented for counter signers\n");
 600         ret = FALSE;
 601     }
 602     else
 603     {
 604         PCERT_SIMPLE_CHAIN simpleChain =
 605          data->pasSigners[idxSigner].pChainContext->rgpChain[0];
 606         DWORD i;
 607
 608         ret = TRUE;
 609         for (i = 0; i < simpleChain->cElement; i++)
 610         {
 611             /* Set confidence */
 612             data->pasSigners[idxSigner].pasCertChain[i].dwConfidence =
 613              WINTRUST_TrustStatusToConfidence(
 614              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 615             /* Set additional flags */
 616             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 617              CERT_TRUST_IS_UNTRUSTED_ROOT))
 618                 data->pasSigners[idxSigner].pasCertChain[i].fTrustedRoot = TRUE;
 619             if (simpleChain->rgpElement[i]->TrustStatus.dwInfoStatus &
 620              CERT_TRUST_IS_SELF_SIGNED)
 621                 data->pasSigners[idxSigner].pasCertChain[i].fSelfSigned = TRUE;
 622             if (simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 623              CERT_TRUST_IS_CYCLIC)
 624                 data->pasSigners[idxSigner].pasCertChain[i].fIsCyclic = TRUE;
 625         }
 626     }
 627     return ret;
 628 }
 629
 630 static DWORD WINTRUST_TrustStatusToError(DWORD errorStatus)
 631 {
 632     DWORD error;
 633
 634     if (errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID)
 635         error = TRUST_E_CERT_SIGNATURE;
 636     else if (errorStatus & CERT_TRUST_IS_UNTRUSTED_ROOT)
 637         error = CERT_E_UNTRUSTEDROOT;
 638     else if (errorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
 639         error = CERT_E_EXPIRED;
 640     else if (errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED)
 641         error = CERT_E_VALIDITYPERIODNESTING;
 642     else if (errorStatus & CERT_TRUST_IS_REVOKED)
 643         error = CERT_E_REVOKED;
 644     else if (errorStatus & CERT_TRUST_IS_OFFLINE_REVOCATION ||
 645      errorStatus & CERT_TRUST_REVOCATION_STATUS_UNKNOWN)
 646         error = CERT_E_REVOCATION_FAILURE;
 647     else if (errorStatus & CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
 648         error = CERT_E_WRONG_USAGE;
 649     else if (errorStatus & CERT_TRUST_IS_CYCLIC)
 650         error = CERT_E_CHAINING;
 651     else if (errorStatus & CERT_TRUST_INVALID_EXTENSION)
 652         error = CERT_E_CRITICAL;
 653     else if (errorStatus & CERT_TRUST_INVALID_POLICY_CONSTRAINTS)
 654         error = CERT_E_INVALID_POLICY;
 655     else if (errorStatus & CERT_TRUST_INVALID_BASIC_CONSTRAINTS)
 656         error = TRUST_E_BASIC_CONSTRAINTS;
 657     else if (errorStatus & CERT_TRUST_INVALID_NAME_CONSTRAINTS ||
 658      errorStatus & CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT ||
 659      errorStatus & CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT ||
 660      errorStatus & CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT ||
 661      errorStatus & CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT)
 662         error = CERT_E_INVALID_NAME;
 663     else if (errorStatus & CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY)
 664         error = CERT_E_INVALID_POLICY;
 665     else if (errorStatus)
 666     {
 667         FIXME("unknown error status %08x\n", errorStatus);
 668         error = TRUST_E_SYSTEM_ERROR;
 669     }
 670     else
 671         error = S_OK;
 672     return error;
 673 }
 674
 675 static BOOL WINTRUST_CopyChain(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 676 {
 677     BOOL ret;
 678     PCERT_SIMPLE_CHAIN simpleChain =
 679      data->pasSigners[signerIdx].pChainContext->rgpChain[0];
 680     DWORD i;
 681
 682     data->pasSigners[signerIdx].pasCertChain[0].dwConfidence =
 683      WINTRUST_TrustStatusToConfidence(
 684      simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus);
 685     data->pasSigners[signerIdx].pasCertChain[0].pChainElement =
 686      simpleChain->rgpElement[0];
 687     ret = TRUE;
 688     for (i = 1; ret && i < simpleChain->cElement; i++)
 689     {
 690         ret = data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 691          simpleChain->rgpElement[i]->pCertContext);
 692         if (ret)
 693         {
 694             data->pasSigners[signerIdx].pasCertChain[i].pChainElement =
 695              simpleChain->rgpElement[i];
 696             data->pasSigners[signerIdx].pasCertChain[i].dwConfidence =
 697              WINTRUST_TrustStatusToConfidence(
 698              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 699         }
 700     }
 701     data->pasSigners[signerIdx].pasCertChain[simpleChain->cElement - 1].dwError
 702      = WINTRUST_TrustStatusToError(
 703      simpleChain->rgpElement[simpleChain->cElement - 1]->
 704      TrustStatus.dwErrorStatus);
 705     return ret;
 706 }
 707
 708 static void WINTRUST_CreateChainPolicyCreateInfo(
 709  const CRYPT_PROVIDER_DATA *data, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO info,
 710  PCERT_CHAIN_PARA chainPara)
 711 {
 712     chainPara->cbSize = sizeof(CERT_CHAIN_PARA);
 713     if (data->pRequestUsage)
 714         chainPara->RequestedUsage = *data->pRequestUsage;
 715     else
 716     {
 717         chainPara->RequestedUsage.dwType = 0;
 718         chainPara->RequestedUsage.Usage.cUsageIdentifier = 0;
 719     }
 720     info->u.cbSize = sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO);
 721     info->hChainEngine = NULL;
 722     info->pChainPara = chainPara;
 723     if (data->dwProvFlags & CPD_REVOCATION_CHECK_END_CERT)
 724         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_END_CERT;
 725     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN)
 726         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN;
 727     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT)
 728         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
 729     else
 730         info->dwFlags = 0;
 731     info->pvReserved = NULL;
 732 }
 733
 734 static BOOL WINTRUST_CreateChainForSigner(CRYPT_PROVIDER_DATA *data,
 735  DWORD signer, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo,
 736  PCERT_CHAIN_PARA chainPara)
 737 {
 738     BOOL ret = TRUE;
 739     HCERTSTORE store = NULL;
 740
 741     if (data->chStores)
 742     {
 743         store = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
 744          CERT_STORE_CREATE_NEW_FLAG, NULL);
 745         if (store)
 746         {
 747             DWORD i;
 748
 749             for (i = 0; i < data->chStores; i++)
 750                 CertAddStoreToCollection(store, data->pahStores[i], 0, 0);
 751         }
 752     }
 753     /* Expect the end certificate for each signer to be the only cert in the
 754      * chain:
 755      */
 756     if (data->pasSigners[signer].csCertChain)
 757     {
 758         /* Create a certificate chain for each signer */
 759         ret = CertGetCertificateChain(createInfo->hChainEngine,
 760          data->pasSigners[signer].pasCertChain[0].pCert,
 761          &data->pasSigners[signer].sftVerifyAsOf, store,
 762          chainPara, createInfo->dwFlags, createInfo->pvReserved,
 763          &data->pasSigners[signer].pChainContext);
 764         if (ret)
 765         {
 766             if (data->pasSigners[signer].pChainContext->cChain != 1)
 767             {
 768                 FIXME("unimplemented for more than 1 simple chain\n");
 769                 ret = FALSE;
 770             }
 771             else
 772             {
 773                 if ((ret = WINTRUST_CopyChain(data, signer)))
 774                 {
 775                     if (data->psPfns->pfnCertCheckPolicy)
 776                         ret = data->psPfns->pfnCertCheckPolicy(data, signer,
 777                          FALSE, 0);
 778                     else
 779                         TRACE("no cert check policy, skipping policy check\n");
 780                 }
 781             }
 782         }
 783     }
 784     CertCloseStore(store, 0);
 785     return ret;
 786 }
 787
 788 HRESULT WINAPI WintrustCertificateTrust(CRYPT_PROVIDER_DATA *data)
 789 {
 790     BOOL ret;
 791
 792     TRACE("(%p)\n", data);
 793
 794     if (!data->csSigners)
 795     {
 796         ret = FALSE;
 797         SetLastError(TRUST_E_NOSIGNATURE);
 798     }
 799     else
 800     {
 801         DWORD i;
 802         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo;
 803         CERT_CHAIN_PARA chainPara;
 804
 805         WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 806         ret = TRUE;
 807         for (i = 0; i < data->csSigners; i++)
 808             ret = WINTRUST_CreateChainForSigner(data, i, &createInfo,
 809              &chainPara);
 810     }
 811     if (!ret)
 812         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 813          GetLastError();
 814     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 815      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 816     return ret ? S_OK : S_FALSE;
 817 }
 818
 819 HRESULT WINAPI GenericChainCertificateTrust(CRYPT_PROVIDER_DATA *data)
 820 {
 821     BOOL ret;
 822     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 823      data->pWintrustData->pPolicyCallbackData;
 824
 825     TRACE("(%p)\n", data);
 826
 827     if (policyData && policyData->u.cbSize !=
 828      sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO))
 829     {
 830         SetLastError(ERROR_INVALID_PARAMETER);
 831         ret = FALSE;
 832         goto end;
 833     }
 834     if (!data->csSigners)
 835     {
 836         ret = FALSE;
 837         SetLastError(TRUST_E_NOSIGNATURE);
 838     }
 839     else
 840     {
 841         DWORD i;
 842         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo, *pCreateInfo;
 843         CERT_CHAIN_PARA chainPara, *pChainPara;
 844
 845         if (policyData)
 846         {
 847             pCreateInfo = policyData->pSignerChainInfo;
 848             pChainPara = pCreateInfo->pChainPara;
 849         }
 850         else
 851         {
 852             WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 853             pChainPara = &chainPara;
 854             pCreateInfo = &createInfo;
 855         }
 856         ret = TRUE;
 857         for (i = 0; i < data->csSigners; i++)
 858             ret = WINTRUST_CreateChainForSigner(data, i, pCreateInfo,
 859              pChainPara);
 860     }
 861
 862 end:
 863     if (!ret)
 864         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 865          GetLastError();
 866     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 867      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 868     return ret ? S_OK : S_FALSE;
 869 }
 870
 871 HRESULT WINAPI SoftpubAuthenticode(CRYPT_PROVIDER_DATA *data)
 872 {
 873     BOOL ret;
 874     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 875
 876     TRACE("(%p)\n", data);
 877
 878     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 879         FIXME("unimplemented for UI choice %d\n",
 880          data->pWintrustData->dwUIChoice);
 881     if (!data->csSigners)
 882     {
 883         ret = FALSE;
 884         policyStatus.dwError = TRUST_E_NOSIGNATURE;
 885     }
 886     else
 887     {
 888         DWORD i;
 889
 890         ret = TRUE;
 891         for (i = 0; ret && i < data->csSigners; i++)
 892         {
 893             BYTE hash[20];
 894             DWORD size = sizeof(hash);
 895
 896             /* First make sure cert isn't disallowed */
 897             if ((ret = CertGetCertificateContextProperty(
 898              data->pasSigners[i].pasCertChain[0].pCert,
 899              CERT_SIGNATURE_HASH_PROP_ID, hash, &size)))
 900             {
 901                 static const WCHAR disallowedW[] =
 902                  { 'D','i','s','a','l','l','o','w','e','d',0 };
 903                 HCERTSTORE disallowed = CertOpenStore(CERT_STORE_PROV_SYSTEM_W,
 904                  X509_ASN_ENCODING, 0, CERT_SYSTEM_STORE_CURRENT_USER,
 905                  disallowedW);
 906
 907                 if (disallowed)
 908                 {
 909                     PCCERT_CONTEXT found = CertFindCertificateInStore(
 910                      disallowed, X509_ASN_ENCODING, 0, CERT_FIND_SIGNATURE_HASH,
 911                      hash, NULL);
 912
 913                     if (found)
 914                     {
 915                         /* Disallowed!  Can't verify it. */
 916                         policyStatus.dwError = TRUST_E_SUBJECT_NOT_TRUSTED;
 917                         ret = FALSE;
 918                         CertFreeCertificateContext(found);
 919                     }
 920                     CertCloseStore(disallowed, 0);
 921                 }
 922             }
 923             if (ret)
 924             {
 925                 CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 926
 927                 if (data->dwRegPolicySettings & WTPF_TRUSTTEST)
 928                     policyPara.dwFlags |= CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG;
 929                 if (data->dwRegPolicySettings & WTPF_TESTCANBEVALID)
 930                     policyPara.dwFlags |= CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG;
 931                 if (data->dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 932                     policyPara.dwFlags |=
 933                      CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 934                      CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 935                      CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 936                 if (data->dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 937                     policyPara.dwFlags |=
 938                      CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 939                      CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 940                      CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 941                      CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 942                 CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_AUTHENTICODE,
 943                  data->pasSigners[i].pChainContext, &policyPara, &policyStatus);
 944                 if (policyStatus.dwError != NO_ERROR)
 945                     ret = FALSE;
 946             }
 947         }
 948     }
 949     if (!ret)
 950         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] =
 951          policyStatus.dwError;
 952     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 953      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 954     return ret ? S_OK : S_FALSE;
 955 }
 956
 957 static HRESULT WINAPI WINTRUST_DefaultPolicy(CRYPT_PROVIDER_DATA *pProvData,
 958  DWORD dwStepError, DWORD dwRegPolicySettings, DWORD cSigner,
 959  PWTD_GENERIC_CHAIN_POLICY_SIGNER_INFO rgpSigner, void *pvPolicyArg)
 960 {
 961     DWORD i;
 962     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 963
 964     for (i = 0; !policyStatus.dwError && i < cSigner; i++)
 965     {
 966         CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 967
 968         if (dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 969             policyPara.dwFlags |=
 970              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 971              CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 972              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 973         if (dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 974             policyPara.dwFlags |=
 975              CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 976              CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 977              CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 978              CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 979         CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE,
 980          rgpSigner[i].pChainContext, &policyPara, &policyStatus);
 981     }
 982     return policyStatus.dwError;
 983 }
 984
 985 HRESULT WINAPI GenericChainFinalProv(CRYPT_PROVIDER_DATA *data)
 986 {
 987     HRESULT err = NO_ERROR; /* not a typo, MS confused the types */
 988     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 989      data->pWintrustData->pPolicyCallbackData;
 990
 991     TRACE("(%p)\n", data);
 992
 993     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 994         FIXME("unimplemented for UI choice %d\n",
 995          data->pWintrustData->dwUIChoice);
 996     if (!data->csSigners)
 997         err = TRUST_E_NOSIGNATURE;
 998     else
 999     {
1000         PFN_WTD_GENERIC_CHAIN_POLICY_CALLBACK policyCallback;
1001         void *policyArg;
1002         WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO *signers = NULL;
1003
1004         if (policyData)
1005         {
1006             policyCallback = policyData->pfnPolicyCallback;
1007             policyArg = policyData->pvPolicyArg;
1008         }
1009         else
1010         {
1011             policyCallback = WINTRUST_DefaultPolicy;
1012             policyArg = NULL;
1013         }
1014         if (data->csSigners)
1015         {
1016             DWORD i;
1017
1018             signers = data->psPfns->pfnAlloc(
1019              data->csSigners * sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO));
1020             if (signers)
1021             {
1022                 for (i = 0; i < data->csSigners; i++)
1023                 {
1024                     signers[i].u.cbSize =
1025                      sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO);
1026                     signers[i].pChainContext =
1027                      data->pasSigners[i].pChainContext;
1028                     signers[i].dwSignerType = data->pasSigners[i].dwSignerType;
1029                     signers[i].pMsgSignerInfo = data->pasSigners[i].psSigner;
1030                     signers[i].dwError = data->pasSigners[i].dwError;
1031                     if (data->pasSigners[i].csCounterSigners)
1032                         FIXME("unimplemented for counter signers\n");
1033                     signers[i].cCounterSigner = 0;
1034                     signers[i].rgpCounterSigner = NULL;
1035                 }
1036             }
1037             else
1038                 err = ERROR_OUTOFMEMORY;
1039         }
1040         if (err == NO_ERROR)
1041             err = policyCallback(data, TRUSTERROR_STEP_FINAL_POLICYPROV,
1042              data->dwRegPolicySettings, data->csSigners, signers, policyArg);
1043         data->psPfns->pfnFree(signers);
1044     }
1045     if (err != NO_ERROR)
1046         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] = err;
1047     TRACE("returning %d (%08x)\n", err == NO_ERROR ? S_OK : S_FALSE,
1048      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
1049     return err == NO_ERROR ? S_OK : S_FALSE;
1050 }
1051
1052 HRESULT WINAPI SoftpubCleanup(CRYPT_PROVIDER_DATA *data)
1053 {
1054     DWORD i, j;
1055
1056     for (i = 0; i < data->csSigners; i++)
1057     {
1058         for (j = 0; j < data->pasSigners[i].csCertChain; j++)
1059             CertFreeCertificateContext(data->pasSigners[i].pasCertChain[j].pCert);
1060         data->psPfns->pfnFree(data->pasSigners[i].pasCertChain);
1061         data->psPfns->pfnFree(data->pasSigners[i].psSigner);
1062         CertFreeCertificateChain(data->pasSigners[i].pChainContext);
1063     }
1064     data->psPfns->pfnFree(data->pasSigners);
1065
1066     for (i = 0; i < data->chStores; i++)
1067         CertCloseStore(data->pahStores[i], 0);
1068     data->psPfns->pfnFree(data->pahStores);
1069
1070     if (data->u.pPDSip)
1071     {
1072         data->psPfns->pfnFree(data->u.pPDSip->pSip);
1073         data->psPfns->pfnFree(data->u.pPDSip->pCATSip);
1074         data->psPfns->pfnFree(data->u.pPDSip->psSipSubjectInfo);
1075         data->psPfns->pfnFree(data->u.pPDSip->psSipCATSubjectInfo);
1076         data->psPfns->pfnFree(data->u.pPDSip->psIndirectData);
1077     }
1078
1079     CryptMsgClose(data->hMsg);
1080
1081     if (data->fOpenedFile &&
1082      data->pWintrustData->dwUnionChoice == WTD_CHOICE_FILE)
1083         CloseHandle(data->pWintrustData->u.pFile->hFile);
1084
1085     return S_OK;
1086 }
1087
1088 HRESULT WINAPI HTTPSCertificateTrust(CRYPT_PROVIDER_DATA *data)
1089 {
1090     FIXME("(%p)\n", data);
1091     return S_OK;
1092 }
1093
1094 HRESULT WINAPI HTTPSFinalProv(CRYPT_PROVIDER_DATA *data)
1095 {
1096     FIXME("(%p)\n", data);
1097     return S_OK;
1098 }