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 /* Assumes data->pWintrustData->u.pFile exists.  Makes sure a file handle is
  58  * open for the file.
  59  */
  60 static BOOL SOFTPUB_OpenFile(CRYPT_PROVIDER_DATA *data)
  61 {
  62     BOOL ret = TRUE;
  63
  64     /* PSDK implies that all values should be initialized to NULL, so callers
  65      * typically have hFile as NULL rather than INVALID_HANDLE_VALUE.  Check
  66      * for both.
  67      */
  68     if (!data->pWintrustData->u.pFile->hFile ||
  69      data->pWintrustData->u.pFile->hFile == INVALID_HANDLE_VALUE)
  70     {
  71         data->pWintrustData->u.pFile->hFile =
  72             CreateFileW(data->pWintrustData->u.pFile->pcwszFilePath, GENERIC_READ,
  73           FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  74         if (data->pWintrustData->u.pFile->hFile != INVALID_HANDLE_VALUE)
  75             data->fOpenedFile = TRUE;
  76         else
  77             ret = FALSE;
  78     }
  79     if (ret)
  80         GetFileTime(data->pWintrustData->u.pFile->hFile, &data->sftSystemTime,
  81          NULL, NULL);
  82     TRACE("returning %d\n", ret);
  83     return ret;
  84 }
  85
  86 /* Assumes data->pWintrustData->u.pFile exists.  Sets data->pPDSip->gSubject to
  87  * the file's subject GUID.
  88  */
  89 static BOOL SOFTPUB_GetFileSubject(CRYPT_PROVIDER_DATA *data)
  90 {
  91     BOOL ret;
  92
  93     if (!data->pWintrustData->u.pFile->pgKnownSubject)
  94     {
  95         ret = CryptSIPRetrieveSubjectGuid(
  96          data->pWintrustData->u.pFile->pcwszFilePath,
  97          data->pWintrustData->u.pFile->hFile,
  98          &data->u.pPDSip->gSubject);
  99     }
 100     else
 101     {
 102         data->u.pPDSip->gSubject = *data->pWintrustData->u.pFile->pgKnownSubject;
 103         ret = TRUE;
 104     }
 105     TRACE("returning %d\n", ret);
 106     return ret;
 107 }
 108
 109 /* Assumes data->u.pPDSip exists, and its gSubject member set.
 110  * Allocates data->u.pPDSip->pSip and loads it, if possible.
 111  */
 112 static BOOL SOFTPUB_GetSIP(CRYPT_PROVIDER_DATA *data)
 113 {
 114     BOOL ret;
 115
 116     data->u.pPDSip->pSip = data->psPfns->pfnAlloc(sizeof(SIP_DISPATCH_INFO));
 117     if (data->u.pPDSip->pSip)
 118         ret = CryptSIPLoad(&data->u.pPDSip->gSubject, 0, data->u.pPDSip->pSip);
 119     else
 120     {
 121         SetLastError(ERROR_OUTOFMEMORY);
 122         ret = FALSE;
 123     }
 124     TRACE("returning %d\n", ret);
 125     return ret;
 126 }
 127
 128 /* Assumes data->u.pPDSip has been loaded, and data->u.pPDSip->pSip allocated.
 129  * Calls data->u.pPDSip->pSip->pfGet to construct data->hMsg.
 130  */
 131 static BOOL SOFTPUB_GetMessageFromFile(CRYPT_PROVIDER_DATA *data)
 132 {
 133     BOOL ret;
 134     LPBYTE buf = NULL;
 135     DWORD size = 0;
 136
 137     data->u.pPDSip->psSipSubjectInfo =
 138      data->psPfns->pfnAlloc(sizeof(SIP_SUBJECTINFO));
 139     if (!data->u.pPDSip->psSipSubjectInfo)
 140     {
 141         SetLastError(ERROR_OUTOFMEMORY);
 142         return FALSE;
 143     }
 144
 145     data->u.pPDSip->psSipSubjectInfo->cbSize = sizeof(SIP_SUBJECTINFO);
 146     data->u.pPDSip->psSipSubjectInfo->pgSubjectType = &data->u.pPDSip->gSubject;
 147     data->u.pPDSip->psSipSubjectInfo->hFile = data->pWintrustData->u.pFile->hFile;
 148     data->u.pPDSip->psSipSubjectInfo->pwsFileName =
 149      data->pWintrustData->u.pFile->pcwszFilePath;
 150     data->u.pPDSip->psSipSubjectInfo->hProv = data->hProv;
 151     ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
 152      &data->dwEncoding, 0, &size, 0);
 153     if (!ret)
 154     {
 155         SetLastError(TRUST_E_NOSIGNATURE);
 156         return FALSE;
 157     }
 158
 159     buf = data->psPfns->pfnAlloc(size);
 160     if (!buf)
 161     {
 162         SetLastError(ERROR_OUTOFMEMORY);
 163         return FALSE;
 164     }
 165
 166     ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
 167      &data->dwEncoding, 0, &size, buf);
 168     if (ret)
 169     {
 170         data->hMsg = CryptMsgOpenToDecode(data->dwEncoding, 0, 0, data->hProv,
 171          NULL, NULL);
 172         if (data->hMsg)
 173             ret = CryptMsgUpdate(data->hMsg, buf, size, TRUE);
 174     }
 175
 176     data->psPfns->pfnFree(buf);
 177     TRACE("returning %d\n", ret);
 178     return ret;
 179 }
 180
 181 static BOOL SOFTPUB_CreateStoreFromMessage(CRYPT_PROVIDER_DATA *data)
 182 {
 183     BOOL ret = FALSE;
 184     HCERTSTORE store;
 185
 186     store = CertOpenStore(CERT_STORE_PROV_MSG, data->dwEncoding,
 187      data->hProv, CERT_STORE_NO_CRYPT_RELEASE_FLAG, data->hMsg);
 188     if (store)
 189     {
 190         ret = data->psPfns->pfnAddStore2Chain(data, store);
 191         CertCloseStore(store, 0);
 192     }
 193     TRACE("returning %d\n", ret);
 194     return ret;
 195 }
 196
 197 static DWORD SOFTPUB_DecodeInnerContent(CRYPT_PROVIDER_DATA *data)
 198 {
 199     BOOL ret;
 200     DWORD size;
 201     LPBYTE buf = NULL;
 202
 203     ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, NULL,
 204      &size);
 205     if (!ret)
 206         goto error;
 207     buf = data->psPfns->pfnAlloc(size);
 208     if (!buf)
 209     {
 210         SetLastError(ERROR_OUTOFMEMORY);
 211         ret = FALSE;
 212         goto error;
 213     }
 214     ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, buf,
 215      &size);
 216     if (!ret)
 217         goto error;
 218     if (!strcmp((LPCSTR)buf, SPC_INDIRECT_DATA_OBJID))
 219     {
 220         data->psPfns->pfnFree(buf);
 221         buf = NULL;
 222         ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, NULL, &size);
 223         if (!ret)
 224             goto error;
 225         buf = data->psPfns->pfnAlloc(size);
 226         if (!buf)
 227         {
 228             SetLastError(ERROR_OUTOFMEMORY);
 229             ret = FALSE;
 230             goto error;
 231         }
 232         ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, buf, &size);
 233         if (!ret)
 234             goto error;
 235         ret = CryptDecodeObject(data->dwEncoding,
 236          SPC_INDIRECT_DATA_CONTENT_STRUCT, buf, size, 0, NULL, &size);
 237         if (!ret)
 238             goto error;
 239         data->u.pPDSip->psIndirectData = data->psPfns->pfnAlloc(size);
 240         if (!data->u.pPDSip->psIndirectData)
 241         {
 242             SetLastError(ERROR_OUTOFMEMORY);
 243             ret = FALSE;
 244             goto error;
 245         }
 246         ret = CryptDecodeObject(data->dwEncoding,
 247          SPC_INDIRECT_DATA_CONTENT_STRUCT, buf, size, 0,
 248          data->u.pPDSip->psIndirectData, &size);
 249     }
 250     else
 251     {
 252         FIXME("unimplemented for OID %s\n", (LPCSTR)buf);
 253         SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
 254         ret = FALSE;
 255     }
 256
 257 error:
 258     TRACE("returning %d\n", ret);
 259     return ret;
 260 }
 261
 262 HRESULT WINAPI SoftpubLoadMessage(CRYPT_PROVIDER_DATA *data)
 263 {
 264     BOOL ret;
 265
 266     TRACE("(%p)\n", data);
 267
 268     if (!data->padwTrustStepErrors)
 269         return S_FALSE;
 270
 271     switch (data->pWintrustData->dwUnionChoice)
 272     {
 273     case WTD_CHOICE_CERT:
 274         if (data->pWintrustData->u.pCert &&
 275          data->pWintrustData->u.pCert->cbStruct == sizeof(WINTRUST_CERT_INFO))
 276         {
 277             if (data->psPfns)
 278             {
 279                 CRYPT_PROVIDER_SGNR signer = { sizeof(signer), { 0 } };
 280                 DWORD i;
 281
 282                 /* Add a signer with nothing but the time to verify, so we can
 283                  * add a cert to it
 284                  */
 285                 if (data->pWintrustData->u.pCert->psftVerifyAsOf)
 286                     data->sftSystemTime = signer.sftVerifyAsOf;
 287                 else
 288                 {
 289                     SYSTEMTIME sysTime;
 290
 291                     GetSystemTime(&sysTime);
 292                     SystemTimeToFileTime(&sysTime, &signer.sftVerifyAsOf);
 293                 }
 294                 ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, 0, &signer);
 295                 if (!ret)
 296                     goto error;
 297                 ret = data->psPfns->pfnAddCert2Chain(data, 0, FALSE, 0,
 298                  data->pWintrustData->u.pCert->psCertContext);
 299                 if (!ret)
 300                     goto error;
 301                 for (i = 0; ret && i < data->pWintrustData->u.pCert->chStores;
 302                  i++)
 303                     ret = data->psPfns->pfnAddStore2Chain(data,
 304                      data->pWintrustData->u.pCert->pahStores[i]);
 305             }
 306             else
 307             {
 308                 /* Do nothing!?  See the tests */
 309                 ret = TRUE;
 310             }
 311         }
 312         else
 313         {
 314             SetLastError(ERROR_INVALID_PARAMETER);
 315             ret = FALSE;
 316         }
 317         break;
 318     case WTD_CHOICE_FILE:
 319         if (!data->pWintrustData->u.pFile)
 320         {
 321             SetLastError(ERROR_INVALID_PARAMETER);
 322             ret = FALSE;
 323             goto error;
 324         }
 325         ret = SOFTPUB_OpenFile(data);
 326         if (!ret)
 327             goto error;
 328         ret = SOFTPUB_GetFileSubject(data);
 329         if (!ret)
 330             goto error;
 331         ret = SOFTPUB_GetSIP(data);
 332         if (!ret)
 333             goto error;
 334         ret = SOFTPUB_GetMessageFromFile(data);
 335         if (!ret)
 336             goto error;
 337         ret = SOFTPUB_CreateStoreFromMessage(data);
 338         if (!ret)
 339             goto error;
 340         ret = SOFTPUB_DecodeInnerContent(data);
 341         break;
 342     default:
 343         FIXME("unimplemented for %d\n", data->pWintrustData->dwUnionChoice);
 344         SetLastError(ERROR_INVALID_PARAMETER);
 345         ret = FALSE;
 346     }
 347
 348 error:
 349     if (!ret)
 350         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] =
 351          GetLastError();
 352     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 353      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV]);
 354     return ret ? S_OK : S_FALSE;
 355 }
 356
 357 static CMSG_SIGNER_INFO *WINTRUST_GetSigner(CRYPT_PROVIDER_DATA *data,
 358  DWORD signerIdx)
 359 {
 360     BOOL ret;
 361     CMSG_SIGNER_INFO *signerInfo = NULL;
 362     DWORD size;
 363
 364     ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM, signerIdx,
 365      NULL, &size);
 366     if (ret)
 367     {
 368         signerInfo = data->psPfns->pfnAlloc(size);
 369         if (signerInfo)
 370         {
 371             ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM,
 372              signerIdx, signerInfo, &size);
 373             if (!ret)
 374             {
 375                 data->psPfns->pfnFree(signerInfo);
 376                 signerInfo = NULL;
 377             }
 378         }
 379         else
 380             SetLastError(ERROR_OUTOFMEMORY);
 381     }
 382     return signerInfo;
 383 }
 384
 385 static BOOL WINTRUST_SaveSigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 386 {
 387     BOOL ret;
 388     CMSG_SIGNER_INFO *signerInfo = WINTRUST_GetSigner(data, signerIdx);
 389
 390     if (signerInfo)
 391     {
 392         CRYPT_PROVIDER_SGNR sgnr = { sizeof(sgnr), { 0 } };
 393
 394         sgnr.psSigner = signerInfo;
 395         sgnr.sftVerifyAsOf = data->sftSystemTime;
 396         ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, signerIdx, &sgnr);
 397     }
 398     else
 399         ret = FALSE;
 400     return ret;
 401 }
 402
 403 static CERT_INFO *WINTRUST_GetSignerCertInfo(CRYPT_PROVIDER_DATA *data,
 404  DWORD signerIdx)
 405 {
 406     BOOL ret;
 407     CERT_INFO *certInfo = NULL;
 408     DWORD size;
 409
 410     ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM, signerIdx,
 411      NULL, &size);
 412     if (ret)
 413     {
 414         certInfo = data->psPfns->pfnAlloc(size);
 415         if (certInfo)
 416         {
 417             ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM,
 418              signerIdx, certInfo, &size);
 419             if (!ret)
 420             {
 421                 data->psPfns->pfnFree(certInfo);
 422                 certInfo = NULL;
 423             }
 424         }
 425         else
 426             SetLastError(ERROR_OUTOFMEMORY);
 427     }
 428     return certInfo;
 429 }
 430
 431 static BOOL WINTRUST_VerifySigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 432 {
 433     BOOL ret;
 434     CERT_INFO *certInfo = WINTRUST_GetSignerCertInfo(data, signerIdx);
 435
 436     if (certInfo)
 437     {
 438         PCCERT_CONTEXT subject = CertGetSubjectCertificateFromStore(
 439          data->pahStores[0], data->dwEncoding, certInfo);
 440
 441         if (subject)
 442         {
 443             CMSG_CTRL_VERIFY_SIGNATURE_EX_PARA para = { sizeof(para), 0,
 444              signerIdx, CMSG_VERIFY_SIGNER_CERT, (LPVOID)subject };
 445
 446             ret = CryptMsgControl(data->hMsg, 0, CMSG_CTRL_VERIFY_SIGNATURE_EX,
 447              &para);
 448             if (!ret)
 449                 SetLastError(TRUST_E_CERT_SIGNATURE);
 450             else
 451                 data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 452                  subject);
 453             CertFreeCertificateContext(subject);
 454         }
 455         else
 456         {
 457             SetLastError(TRUST_E_NO_SIGNER_CERT);
 458             ret = FALSE;
 459         }
 460         data->psPfns->pfnFree(certInfo);
 461     }
 462     else
 463         ret = FALSE;
 464     return ret;
 465 }
 466
 467 HRESULT WINAPI SoftpubLoadSignature(CRYPT_PROVIDER_DATA *data)
 468 {
 469     BOOL ret;
 470
 471     TRACE("(%p)\n", data);
 472
 473     if (!data->padwTrustStepErrors)
 474         return S_FALSE;
 475
 476     if (data->hMsg)
 477     {
 478         DWORD signerCount, size;
 479
 480         size = sizeof(signerCount);
 481         ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_COUNT_PARAM, 0,
 482          &signerCount, &size);
 483         if (ret)
 484         {
 485             DWORD i;
 486
 487             for (i = 0; ret && i < signerCount; i++)
 488             {
 489                 if ((ret = WINTRUST_SaveSigner(data, i)))
 490                     ret = WINTRUST_VerifySigner(data, i);
 491             }
 492         }
 493         else
 494             SetLastError(TRUST_E_NOSIGNATURE);
 495     }
 496     else
 497         ret = TRUE;
 498     if (!ret)
 499         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] =
 500          GetLastError();
 501     return ret ? S_OK : S_FALSE;
 502 }
 503
 504 BOOL WINAPI SoftpubCheckCert(CRYPT_PROVIDER_DATA *data, DWORD idxSigner,
 505  BOOL fCounterSignerChain, DWORD idxCounterSigner)
 506 {
 507     BOOL ret;
 508
 509     TRACE("(%p, %d, %d, %d)\n", data, idxSigner, fCounterSignerChain,
 510      idxCounterSigner);
 511
 512     if (fCounterSignerChain)
 513     {
 514         FIXME("unimplemented for counter signers\n");
 515         ret = FALSE;
 516     }
 517     else
 518     {
 519         PCERT_SIMPLE_CHAIN simpleChain =
 520          data->pasSigners[idxSigner].pChainContext->rgpChain[0];
 521         DWORD i;
 522
 523         ret = TRUE;
 524         for (i = 0; i < simpleChain->cElement; i++)
 525         {
 526             /* Set confidence */
 527             data->pasSigners[idxSigner].pasCertChain[i].dwConfidence = 0;
 528             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 529              CERT_TRUST_IS_NOT_TIME_VALID))
 530                 data->pasSigners[idxSigner].pasCertChain[i].dwConfidence
 531                  |= CERT_CONFIDENCE_TIME;
 532             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 533              CERT_TRUST_IS_NOT_TIME_NESTED))
 534                 data->pasSigners[idxSigner].pasCertChain[i].dwConfidence
 535                  |= CERT_CONFIDENCE_TIMENEST;
 536             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 537              CERT_TRUST_IS_NOT_SIGNATURE_VALID))
 538                 data->pasSigners[idxSigner].pasCertChain[i].dwConfidence
 539                  |= CERT_CONFIDENCE_SIG;
 540             /* Set additional flags */
 541             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 542              CERT_TRUST_IS_UNTRUSTED_ROOT))
 543                 data->pasSigners[idxSigner].pasCertChain[i].fTrustedRoot = TRUE;
 544             if (simpleChain->rgpElement[i]->TrustStatus.dwInfoStatus &
 545              CERT_TRUST_IS_SELF_SIGNED)
 546                 data->pasSigners[idxSigner].pasCertChain[i].fSelfSigned = TRUE;
 547             if (simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 548              CERT_TRUST_IS_CYCLIC)
 549                 data->pasSigners[idxSigner].pasCertChain[i].fIsCyclic = TRUE;
 550         }
 551     }
 552     return ret;
 553 }
 554
 555 static BOOL WINTRUST_CopyChain(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 556 {
 557     BOOL ret;
 558     PCERT_SIMPLE_CHAIN simpleChain =
 559      data->pasSigners[signerIdx].pChainContext->rgpChain[0];
 560     DWORD i;
 561
 562     data->pasSigners[signerIdx].pasCertChain[0].pChainElement =
 563      simpleChain->rgpElement[0];
 564     ret = TRUE;
 565     for (i = 1; ret && i < simpleChain->cElement; i++)
 566     {
 567         ret = data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 568          simpleChain->rgpElement[i]->pCertContext);
 569         if (ret)
 570             data->pasSigners[signerIdx].pasCertChain[i].pChainElement =
 571              simpleChain->rgpElement[i];
 572     }
 573     return ret;
 574 }
 575
 576 static void WINTRUST_CreateChainPolicyCreateInfo(
 577  const CRYPT_PROVIDER_DATA *data, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO info,
 578  PCERT_CHAIN_PARA chainPara)
 579 {
 580     chainPara->cbSize = sizeof(CERT_CHAIN_PARA);
 581     if (data->pRequestUsage)
 582         chainPara->RequestedUsage = *data->pRequestUsage;
 583     info->u.cbSize = sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO);
 584     info->hChainEngine = NULL;
 585     info->pChainPara = chainPara;
 586     if (data->dwProvFlags & CPD_REVOCATION_CHECK_END_CERT)
 587         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_END_CERT;
 588     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN)
 589         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN;
 590     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT)
 591         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
 592     else
 593         info->dwFlags = 0;
 594     info->pvReserved = NULL;
 595 }
 596
 597 static BOOL WINTRUST_CreateChainForSigner(CRYPT_PROVIDER_DATA *data,
 598  DWORD signer, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo,
 599  PCERT_CHAIN_PARA chainPara)
 600 {
 601     BOOL ret = TRUE;
 602
 603     /* Expect the end certificate for each signer to be the only cert in the
 604      * chain:
 605      */
 606     if (data->pasSigners[signer].csCertChain)
 607     {
 608         /* Create a certificate chain for each signer */
 609         ret = CertGetCertificateChain(createInfo->hChainEngine,
 610          data->pasSigners[signer].pasCertChain[0].pCert,
 611          &data->pasSigners[signer].sftVerifyAsOf,
 612          data->chStores ? data->pahStores[0] : NULL,
 613          chainPara, createInfo->dwFlags, createInfo->pvReserved,
 614          &data->pasSigners[signer].pChainContext);
 615         if (ret)
 616         {
 617             if (data->pasSigners[signer].pChainContext->cChain != 1)
 618             {
 619                 FIXME("unimplemented for more than 1 simple chain\n");
 620                 ret = FALSE;
 621             }
 622             else
 623             {
 624                 if ((ret = WINTRUST_CopyChain(data, signer)))
 625                     ret = data->psPfns->pfnCertCheckPolicy(data, signer, FALSE,
 626                      0);
 627             }
 628         }
 629     }
 630     return ret;
 631 }
 632
 633 HRESULT WINAPI WintrustCertificateTrust(CRYPT_PROVIDER_DATA *data)
 634 {
 635     BOOL ret;
 636
 637     TRACE("(%p)\n", data);
 638
 639     if (!data->csSigners)
 640     {
 641         ret = FALSE;
 642         SetLastError(TRUST_E_NOSIGNATURE);
 643     }
 644     else
 645     {
 646         DWORD i;
 647         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo;
 648         CERT_CHAIN_PARA chainPara;
 649
 650         WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 651         ret = TRUE;
 652         for (i = 0; i < data->csSigners; i++)
 653             ret = WINTRUST_CreateChainForSigner(data, i, &createInfo,
 654              &chainPara);
 655     }
 656     if (!ret)
 657         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 658          GetLastError();
 659     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 660      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 661     return ret ? S_OK : S_FALSE;
 662 }
 663
 664 HRESULT WINAPI GenericChainCertificateTrust(CRYPT_PROVIDER_DATA *data)
 665 {
 666     BOOL ret;
 667     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 668      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 669
 670     TRACE("(%p)\n", data);
 671
 672     if (policyData && policyData->u.cbSize !=
 673      sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO))
 674     {
 675         SetLastError(ERROR_INVALID_PARAMETER);
 676         ret = FALSE;
 677         goto end;
 678     }
 679     if (!data->csSigners)
 680     {
 681         ret = FALSE;
 682         SetLastError(TRUST_E_NOSIGNATURE);
 683     }
 684     else
 685     {
 686         DWORD i;
 687         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo, *pCreateInfo;
 688         CERT_CHAIN_PARA chainPara, *pChainPara;
 689
 690         if (policyData)
 691         {
 692             pCreateInfo = policyData->pSignerChainInfo;
 693             pChainPara = pCreateInfo->pChainPara;
 694         }
 695         else
 696         {
 697             WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 698             pChainPara = &chainPara;
 699             pCreateInfo = &createInfo;
 700         }
 701         ret = TRUE;
 702         for (i = 0; i < data->csSigners; i++)
 703             ret = WINTRUST_CreateChainForSigner(data, i, pCreateInfo,
 704              pChainPara);
 705     }
 706
 707 end:
 708     if (!ret)
 709         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 710          GetLastError();
 711     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 712      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 713     return ret ? S_OK : S_FALSE;
 714 }
 715
 716 HRESULT WINAPI SoftpubAuthenticode(CRYPT_PROVIDER_DATA *data)
 717 {
 718     BOOL ret;
 719     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 720
 721     TRACE("(%p)\n", data);
 722
 723     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 724         FIXME("unimplemented for UI choice %d\n",
 725          data->pWintrustData->dwUIChoice);
 726     if (!data->csSigners)
 727     {
 728         ret = FALSE;
 729         policyStatus.dwError = TRUST_E_NOSIGNATURE;
 730     }
 731     else
 732     {
 733         DWORD i;
 734
 735         ret = TRUE;
 736         for (i = 0; ret && i < data->csSigners; i++)
 737         {
 738             CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 739
 740             if (data->dwRegPolicySettings & WTPF_TRUSTTEST)
 741                 policyPara.dwFlags |= CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG;
 742             if (data->dwRegPolicySettings & WTPF_TESTCANBEVALID)
 743                 policyPara.dwFlags |= CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG;
 744             if (data->dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 745                 policyPara.dwFlags |=
 746                  CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 747                  CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 748                  CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 749             if (data->dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 750                 policyPara.dwFlags |=
 751                  CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 752                  CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 753                  CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 754                  CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 755             CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_AUTHENTICODE,
 756              data->pasSigners[i].pChainContext, &policyPara, &policyStatus);
 757             if (policyStatus.dwError != NO_ERROR)
 758                 ret = FALSE;
 759         }
 760     }
 761     if (!ret)
 762         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] =
 763          policyStatus.dwError;
 764     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 765      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 766     return ret ? S_OK : S_FALSE;
 767 }
 768
 769 static HRESULT WINAPI WINTRUST_DefaultPolicy(CRYPT_PROVIDER_DATA *pProvData,
 770  DWORD dwStepError, DWORD dwRegPolicySettings, DWORD cSigner,
 771  PWTD_GENERIC_CHAIN_POLICY_SIGNER_INFO rgpSigner, void *pvPolicyArg)
 772 {
 773     DWORD i;
 774     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 775
 776     for (i = 0; !policyStatus.dwError && i < cSigner; i++)
 777     {
 778         CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 779
 780         if (dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 781             policyPara.dwFlags |=
 782              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 783              CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 784              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 785         if (dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 786             policyPara.dwFlags |=
 787              CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 788              CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 789              CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 790              CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 791         CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE,
 792          rgpSigner[i].pChainContext, &policyPara, &policyStatus);
 793     }
 794     return policyStatus.dwError;
 795 }
 796
 797 HRESULT WINAPI GenericChainFinalProv(CRYPT_PROVIDER_DATA *data)
 798 {
 799     HRESULT err = NO_ERROR; /* not a typo, MS confused the types */
 800     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 801      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 802
 803     TRACE("(%p)\n", data);
 804
 805     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 806         FIXME("unimplemented for UI choice %d\n",
 807          data->pWintrustData->dwUIChoice);
 808     if (!data->csSigners)
 809         err = TRUST_E_NOSIGNATURE;
 810     else
 811     {
 812         PFN_WTD_GENERIC_CHAIN_POLICY_CALLBACK policyCallback;
 813         void *policyArg;
 814         WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO *signers = NULL;
 815
 816         if (policyData)
 817         {
 818             policyCallback = policyData->pfnPolicyCallback;
 819             policyArg = policyData->pvPolicyArg;
 820         }
 821         else
 822         {
 823             policyCallback = WINTRUST_DefaultPolicy;
 824             policyArg = NULL;
 825         }
 826         if (data->csSigners)
 827         {
 828             DWORD i;
 829
 830             signers = data->psPfns->pfnAlloc(
 831              data->csSigners * sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO));
 832             if (signers)
 833             {
 834                 for (i = 0; i < data->csSigners; i++)
 835                 {
 836                     signers[i].u.cbSize =
 837                      sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO);
 838                     signers[i].pChainContext =
 839                      data->pasSigners[i].pChainContext;
 840                     signers[i].dwSignerType = data->pasSigners[i].dwSignerType;
 841                     signers[i].pMsgSignerInfo = data->pasSigners[i].psSigner;
 842                     signers[i].dwError = data->pasSigners[i].dwError;
 843                     if (data->pasSigners[i].csCounterSigners)
 844                         FIXME("unimplemented for counter signers\n");
 845                     signers[i].cCounterSigner = 0;
 846                     signers[i].rgpCounterSigner = NULL;
 847                 }
 848             }
 849             else
 850                 err = ERROR_OUTOFMEMORY;
 851         }
 852         if (!err)
 853             err = policyCallback(data, TRUSTERROR_STEP_FINAL_POLICYPROV,
 854              data->dwRegPolicySettings, data->csSigners, signers, policyArg);
 855         data->psPfns->pfnFree(signers);
 856     }
 857     if (err)
 858         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] = err;
 859     TRACE("returning %d (%08x)\n", !err ? S_OK : S_FALSE,
 860      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 861     return err == NO_ERROR ? S_OK : S_FALSE;
 862 }
 863
 864 HRESULT WINAPI SoftpubCleanup(CRYPT_PROVIDER_DATA *data)
 865 {
 866     DWORD i, j;
 867
 868     for (i = 0; i < data->csSigners; i++)
 869     {
 870         for (j = 0; j < data->pasSigners[i].csCertChain; j++)
 871             CertFreeCertificateContext(data->pasSigners[i].pasCertChain[j].pCert);
 872         data->psPfns->pfnFree(data->pasSigners[i].pasCertChain);
 873         data->psPfns->pfnFree(data->pasSigners[i].psSigner);
 874         CertFreeCertificateChain(data->pasSigners[i].pChainContext);
 875     }
 876     data->psPfns->pfnFree(data->pasSigners);
 877
 878     for (i = 0; i < data->chStores; i++)
 879         CertCloseStore(data->pahStores[i], 0);
 880     data->psPfns->pfnFree(data->pahStores);
 881
 882     if (data->u.pPDSip)
 883     {
 884         data->psPfns->pfnFree(data->u.pPDSip->pSip);
 885         data->psPfns->pfnFree(data->u.pPDSip->pCATSip);
 886         data->psPfns->pfnFree(data->u.pPDSip->psSipSubjectInfo);
 887         data->psPfns->pfnFree(data->u.pPDSip->psSipCATSubjectInfo);
 888         data->psPfns->pfnFree(data->u.pPDSip->psIndirectData);
 889     }
 890
 891     CryptMsgClose(data->hMsg);
 892
 893     if (data->fOpenedFile)
 894         CloseHandle(data->pWintrustData->u.pFile->hFile);
 895
 896     return S_OK;
 897 }