git.oblomov.eu Git - wine/blob - 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_SIGPROV] =
 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 DWORD WINTRUST_TrustStatusToConfidence(DWORD errorStatus)
 556 {
 557     DWORD confidence = 0;
 558
 559     confidence = 0;
 560     if (!(errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID))
 561         confidence |= CERT_CONFIDENCE_SIG;
 562     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_VALID))
 563         confidence |= CERT_CONFIDENCE_TIME;
 564     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED))
 565         confidence |= CERT_CONFIDENCE_TIMENEST;
 566     return confidence;
 567 }
 568
 569 static BOOL WINTRUST_CopyChain(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 570 {
 571     BOOL ret;
 572     PCERT_SIMPLE_CHAIN simpleChain =
 573      data->pasSigners[signerIdx].pChainContext->rgpChain[0];
 574     DWORD i;
 575
 576     data->pasSigners[signerIdx].pasCertChain[0].dwConfidence =
 577      WINTRUST_TrustStatusToConfidence(
 578      simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus);
 579     data->pasSigners[signerIdx].pasCertChain[0].dwError =
 580      simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus;
 581     data->pasSigners[signerIdx].pasCertChain[0].pChainElement =
 582      simpleChain->rgpElement[0];
 583     ret = TRUE;
 584     for (i = 1; ret && i < simpleChain->cElement; i++)
 585     {
 586         ret = data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 587          simpleChain->rgpElement[i]->pCertContext);
 588         if (ret)
 589         {
 590             data->pasSigners[signerIdx].pasCertChain[i].pChainElement =
 591              simpleChain->rgpElement[i];
 592             data->pasSigners[signerIdx].pasCertChain[i].dwConfidence =
 593              WINTRUST_TrustStatusToConfidence(
 594              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 595             data->pasSigners[signerIdx].pasCertChain[i].dwError =
 596              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus;
 597         }
 598     }
 599     return ret;
 600 }
 601
 602 static void WINTRUST_CreateChainPolicyCreateInfo(
 603  const CRYPT_PROVIDER_DATA *data, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO info,
 604  PCERT_CHAIN_PARA chainPara)
 605 {
 606     chainPara->cbSize = sizeof(CERT_CHAIN_PARA);
 607     if (data->pRequestUsage)
 608         chainPara->RequestedUsage = *data->pRequestUsage;
 609     else
 610     {
 611         chainPara->RequestedUsage.dwType = 0;
 612         chainPara->RequestedUsage.Usage.cUsageIdentifier = 0;
 613     }
 614     info->u.cbSize = sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO);
 615     info->hChainEngine = NULL;
 616     info->pChainPara = chainPara;
 617     if (data->dwProvFlags & CPD_REVOCATION_CHECK_END_CERT)
 618         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_END_CERT;
 619     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN)
 620         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN;
 621     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT)
 622         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
 623     else
 624         info->dwFlags = 0;
 625     info->pvReserved = NULL;
 626 }
 627
 628 static BOOL WINTRUST_CreateChainForSigner(CRYPT_PROVIDER_DATA *data,
 629  DWORD signer, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo,
 630  PCERT_CHAIN_PARA chainPara)
 631 {
 632     BOOL ret = TRUE;
 633     HCERTSTORE store = NULL;
 634
 635     if (data->chStores)
 636     {
 637         store = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
 638          CERT_STORE_CREATE_NEW_FLAG, NULL);
 639         if (store)
 640         {
 641             DWORD i;
 642
 643             for (i = 0; i < data->chStores; i++)
 644                 CertAddStoreToCollection(store, data->pahStores[i], 0, 0);
 645         }
 646     }
 647     /* Expect the end certificate for each signer to be the only cert in the
 648      * chain:
 649      */
 650     if (data->pasSigners[signer].csCertChain)
 651     {
 652         /* Create a certificate chain for each signer */
 653         ret = CertGetCertificateChain(createInfo->hChainEngine,
 654          data->pasSigners[signer].pasCertChain[0].pCert,
 655          &data->pasSigners[signer].sftVerifyAsOf, store,
 656          chainPara, createInfo->dwFlags, createInfo->pvReserved,
 657          &data->pasSigners[signer].pChainContext);
 658         if (ret)
 659         {
 660             if (data->pasSigners[signer].pChainContext->cChain != 1)
 661             {
 662                 FIXME("unimplemented for more than 1 simple chain\n");
 663                 ret = FALSE;
 664             }
 665             else
 666             {
 667                 if ((ret = WINTRUST_CopyChain(data, signer)))
 668                 {
 669                     if (data->psPfns->pfnCertCheckPolicy)
 670                         ret = data->psPfns->pfnCertCheckPolicy(data, signer,
 671                          FALSE, 0);
 672                     else
 673                         TRACE("no cert check policy, skipping policy check\n");
 674                 }
 675             }
 676         }
 677     }
 678     CertCloseStore(store, 0);
 679     return ret;
 680 }
 681
 682 HRESULT WINAPI WintrustCertificateTrust(CRYPT_PROVIDER_DATA *data)
 683 {
 684     BOOL ret;
 685
 686     TRACE("(%p)\n", data);
 687
 688     if (!data->csSigners)
 689     {
 690         ret = FALSE;
 691         SetLastError(TRUST_E_NOSIGNATURE);
 692     }
 693     else
 694     {
 695         DWORD i;
 696         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo;
 697         CERT_CHAIN_PARA chainPara;
 698
 699         WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 700         ret = TRUE;
 701         for (i = 0; i < data->csSigners; i++)
 702             ret = WINTRUST_CreateChainForSigner(data, i, &createInfo,
 703              &chainPara);
 704     }
 705     if (!ret)
 706         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 707          GetLastError();
 708     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 709      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 710     return ret ? S_OK : S_FALSE;
 711 }
 712
 713 HRESULT WINAPI GenericChainCertificateTrust(CRYPT_PROVIDER_DATA *data)
 714 {
 715     BOOL ret;
 716     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 717      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 718
 719     TRACE("(%p)\n", data);
 720
 721     if (policyData && policyData->u.cbSize !=
 722      sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO))
 723     {
 724         SetLastError(ERROR_INVALID_PARAMETER);
 725         ret = FALSE;
 726         goto end;
 727     }
 728     if (!data->csSigners)
 729     {
 730         ret = FALSE;
 731         SetLastError(TRUST_E_NOSIGNATURE);
 732     }
 733     else
 734     {
 735         DWORD i;
 736         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo, *pCreateInfo;
 737         CERT_CHAIN_PARA chainPara, *pChainPara;
 738
 739         if (policyData)
 740         {
 741             pCreateInfo = policyData->pSignerChainInfo;
 742             pChainPara = pCreateInfo->pChainPara;
 743         }
 744         else
 745         {
 746             WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 747             pChainPara = &chainPara;
 748             pCreateInfo = &createInfo;
 749         }
 750         ret = TRUE;
 751         for (i = 0; i < data->csSigners; i++)
 752             ret = WINTRUST_CreateChainForSigner(data, i, pCreateInfo,
 753              pChainPara);
 754     }
 755
 756 end:
 757     if (!ret)
 758         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 759          GetLastError();
 760     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 761      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 762     return ret ? S_OK : S_FALSE;
 763 }
 764
 765 HRESULT WINAPI SoftpubAuthenticode(CRYPT_PROVIDER_DATA *data)
 766 {
 767     BOOL ret;
 768     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 769
 770     TRACE("(%p)\n", data);
 771
 772     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 773         FIXME("unimplemented for UI choice %d\n",
 774          data->pWintrustData->dwUIChoice);
 775     if (!data->csSigners)
 776     {
 777         ret = FALSE;
 778         policyStatus.dwError = TRUST_E_NOSIGNATURE;
 779     }
 780     else
 781     {
 782         DWORD i;
 783
 784         ret = TRUE;
 785         for (i = 0; ret && i < data->csSigners; i++)
 786         {
 787             BYTE hash[20];
 788             DWORD size = sizeof(hash);
 789
 790             /* First make sure cert isn't disallowed */
 791             if ((ret = CertGetCertificateContextProperty(
 792              data->pasSigners[i].pasCertChain[0].pCert,
 793              CERT_SIGNATURE_HASH_PROP_ID, hash, &size)))
 794             {
 795                 static const WCHAR disallowedW[] =
 796                  { 'D','i','s','a','l','l','o','w','e','d',0 };
 797                 HCERTSTORE disallowed = CertOpenStore(CERT_STORE_PROV_SYSTEM_W,
 798                  X509_ASN_ENCODING, 0, CERT_SYSTEM_STORE_CURRENT_USER,
 799                  disallowedW);
 800
 801                 if (disallowed)
 802                 {
 803                     PCCERT_CONTEXT found = CertFindCertificateInStore(
 804                      disallowed, X509_ASN_ENCODING, 0, CERT_FIND_SIGNATURE_HASH,
 805                      hash, NULL);
 806
 807                     if (found)
 808                     {
 809                         /* Disallowed!  Can't verify it. */
 810                         policyStatus.dwError = TRUST_E_SUBJECT_NOT_TRUSTED;
 811                         ret = FALSE;
 812                         CertFreeCertificateContext(found);
 813                     }
 814                     CertCloseStore(disallowed, 0);
 815                 }
 816             }
 817             if (ret)
 818             {
 819                 CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 820
 821                 if (data->dwRegPolicySettings & WTPF_TRUSTTEST)
 822                     policyPara.dwFlags |= CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG;
 823                 if (data->dwRegPolicySettings & WTPF_TESTCANBEVALID)
 824                     policyPara.dwFlags |= CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG;
 825                 if (data->dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 826                     policyPara.dwFlags |=
 827                      CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 828                      CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 829                      CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 830                 if (data->dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 831                     policyPara.dwFlags |=
 832                      CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 833                      CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 834                      CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 835                      CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 836                 CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_AUTHENTICODE,
 837                  data->pasSigners[i].pChainContext, &policyPara, &policyStatus);
 838                 if (policyStatus.dwError != NO_ERROR)
 839                     ret = FALSE;
 840             }
 841         }
 842     }
 843     if (!ret)
 844         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] =
 845          policyStatus.dwError;
 846     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 847      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 848     return ret ? S_OK : S_FALSE;
 849 }
 850
 851 static HRESULT WINAPI WINTRUST_DefaultPolicy(CRYPT_PROVIDER_DATA *pProvData,
 852  DWORD dwStepError, DWORD dwRegPolicySettings, DWORD cSigner,
 853  PWTD_GENERIC_CHAIN_POLICY_SIGNER_INFO rgpSigner, void *pvPolicyArg)
 854 {
 855     DWORD i;
 856     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 857
 858     for (i = 0; !policyStatus.dwError && i < cSigner; i++)
 859     {
 860         CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 861
 862         if (dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 863             policyPara.dwFlags |=
 864              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 865              CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 866              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 867         if (dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 868             policyPara.dwFlags |=
 869              CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 870              CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 871              CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 872              CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 873         CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE,
 874          rgpSigner[i].pChainContext, &policyPara, &policyStatus);
 875     }
 876     return policyStatus.dwError;
 877 }
 878
 879 HRESULT WINAPI GenericChainFinalProv(CRYPT_PROVIDER_DATA *data)
 880 {
 881     HRESULT err = NO_ERROR; /* not a typo, MS confused the types */
 882     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 883      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 884
 885     TRACE("(%p)\n", data);
 886
 887     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 888         FIXME("unimplemented for UI choice %d\n",
 889          data->pWintrustData->dwUIChoice);
 890     if (!data->csSigners)
 891         err = TRUST_E_NOSIGNATURE;
 892     else
 893     {
 894         PFN_WTD_GENERIC_CHAIN_POLICY_CALLBACK policyCallback;
 895         void *policyArg;
 896         WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO *signers = NULL;
 897
 898         if (policyData)
 899         {
 900             policyCallback = policyData->pfnPolicyCallback;
 901             policyArg = policyData->pvPolicyArg;
 902         }
 903         else
 904         {
 905             policyCallback = WINTRUST_DefaultPolicy;
 906             policyArg = NULL;
 907         }
 908         if (data->csSigners)
 909         {
 910             DWORD i;
 911
 912             signers = data->psPfns->pfnAlloc(
 913              data->csSigners * sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO));
 914             if (signers)
 915             {
 916                 for (i = 0; i < data->csSigners; i++)
 917                 {
 918                     signers[i].u.cbSize =
 919                      sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO);
 920                     signers[i].pChainContext =
 921                      data->pasSigners[i].pChainContext;
 922                     signers[i].dwSignerType = data->pasSigners[i].dwSignerType;
 923                     signers[i].pMsgSignerInfo = data->pasSigners[i].psSigner;
 924                     signers[i].dwError = data->pasSigners[i].dwError;
 925                     if (data->pasSigners[i].csCounterSigners)
 926                         FIXME("unimplemented for counter signers\n");
 927                     signers[i].cCounterSigner = 0;
 928                     signers[i].rgpCounterSigner = NULL;
 929                 }
 930             }
 931             else
 932                 err = ERROR_OUTOFMEMORY;
 933         }
 934         if (err == NO_ERROR)
 935             err = policyCallback(data, TRUSTERROR_STEP_FINAL_POLICYPROV,
 936              data->dwRegPolicySettings, data->csSigners, signers, policyArg);
 937         data->psPfns->pfnFree(signers);
 938     }
 939     if (err != NO_ERROR)
 940         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] = err;
 941     TRACE("returning %d (%08x)\n", err == NO_ERROR ? S_OK : S_FALSE,
 942      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 943     return err == NO_ERROR ? S_OK : S_FALSE;
 944 }
 945
 946 HRESULT WINAPI SoftpubCleanup(CRYPT_PROVIDER_DATA *data)
 947 {
 948     DWORD i, j;
 949
 950     for (i = 0; i < data->csSigners; i++)
 951     {
 952         for (j = 0; j < data->pasSigners[i].csCertChain; j++)
 953             CertFreeCertificateContext(data->pasSigners[i].pasCertChain[j].pCert);
 954         data->psPfns->pfnFree(data->pasSigners[i].pasCertChain);
 955         data->psPfns->pfnFree(data->pasSigners[i].psSigner);
 956         CertFreeCertificateChain(data->pasSigners[i].pChainContext);
 957     }
 958     data->psPfns->pfnFree(data->pasSigners);
 959
 960     for (i = 0; i < data->chStores; i++)
 961         CertCloseStore(data->pahStores[i], 0);
 962     data->psPfns->pfnFree(data->pahStores);
 963
 964     if (data->u.pPDSip)
 965     {
 966         data->psPfns->pfnFree(data->u.pPDSip->pSip);
 967         data->psPfns->pfnFree(data->u.pPDSip->pCATSip);
 968         data->psPfns->pfnFree(data->u.pPDSip->psSipSubjectInfo);
 969         data->psPfns->pfnFree(data->u.pPDSip->psSipCATSubjectInfo);
 970         data->psPfns->pfnFree(data->u.pPDSip->psIndirectData);
 971     }
 972
 973     CryptMsgClose(data->hMsg);
 974
 975     if (data->fOpenedFile)
 976         CloseHandle(data->pWintrustData->u.pFile->hFile);
 977
 978     return S_OK;
 979 }