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 static DWORD WINTRUST_TrustStatusToConfidence(DWORD errorStatus)
 505 {
 506     DWORD confidence = 0;
 507
 508     confidence = 0;
 509     if (!(errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID))
 510         confidence |= CERT_CONFIDENCE_SIG;
 511     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_VALID))
 512         confidence |= CERT_CONFIDENCE_TIME;
 513     if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED))
 514         confidence |= CERT_CONFIDENCE_TIMENEST;
 515     return confidence;
 516 }
 517
 518 BOOL WINAPI SoftpubCheckCert(CRYPT_PROVIDER_DATA *data, DWORD idxSigner,
 519  BOOL fCounterSignerChain, DWORD idxCounterSigner)
 520 {
 521     BOOL ret;
 522
 523     TRACE("(%p, %d, %d, %d)\n", data, idxSigner, fCounterSignerChain,
 524      idxCounterSigner);
 525
 526     if (fCounterSignerChain)
 527     {
 528         FIXME("unimplemented for counter signers\n");
 529         ret = FALSE;
 530     }
 531     else
 532     {
 533         PCERT_SIMPLE_CHAIN simpleChain =
 534          data->pasSigners[idxSigner].pChainContext->rgpChain[0];
 535         DWORD i;
 536
 537         ret = TRUE;
 538         for (i = 0; i < simpleChain->cElement; i++)
 539         {
 540             /* Set confidence */
 541             data->pasSigners[idxSigner].pasCertChain[i].dwConfidence =
 542              WINTRUST_TrustStatusToConfidence(
 543              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 544             /* Set additional flags */
 545             if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 546              CERT_TRUST_IS_UNTRUSTED_ROOT))
 547                 data->pasSigners[idxSigner].pasCertChain[i].fTrustedRoot = TRUE;
 548             if (simpleChain->rgpElement[i]->TrustStatus.dwInfoStatus &
 549              CERT_TRUST_IS_SELF_SIGNED)
 550                 data->pasSigners[idxSigner].pasCertChain[i].fSelfSigned = TRUE;
 551             if (simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
 552              CERT_TRUST_IS_CYCLIC)
 553                 data->pasSigners[idxSigner].pasCertChain[i].fIsCyclic = TRUE;
 554         }
 555     }
 556     return ret;
 557 }
 558
 559 static DWORD WINTRUST_TrustStatusToError(DWORD errorStatus)
 560 {
 561     DWORD error;
 562
 563     if (errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID)
 564         error = TRUST_E_CERT_SIGNATURE;
 565     else if (errorStatus & CERT_TRUST_IS_UNTRUSTED_ROOT)
 566         error = CERT_E_UNTRUSTEDROOT;
 567     else if (errorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
 568         error = CERT_E_EXPIRED;
 569     else if (errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED)
 570         error = CERT_E_VALIDITYPERIODNESTING;
 571     else if (errorStatus & CERT_TRUST_IS_REVOKED)
 572         error = CERT_E_REVOKED;
 573     else if (errorStatus & CERT_TRUST_IS_OFFLINE_REVOCATION ||
 574      errorStatus & CERT_TRUST_REVOCATION_STATUS_UNKNOWN)
 575         error = CERT_E_REVOCATION_FAILURE;
 576     else if (errorStatus & CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
 577         error = CERT_E_WRONG_USAGE;
 578     else if (errorStatus & CERT_TRUST_IS_CYCLIC)
 579         error = CERT_E_CHAINING;
 580     else if (errorStatus & CERT_TRUST_INVALID_EXTENSION)
 581         error = CERT_E_CRITICAL;
 582     else if (errorStatus & CERT_TRUST_INVALID_POLICY_CONSTRAINTS)
 583         error = CERT_E_INVALID_POLICY;
 584     else if (errorStatus & CERT_TRUST_INVALID_BASIC_CONSTRAINTS)
 585         error = TRUST_E_BASIC_CONSTRAINTS;
 586     else if (errorStatus & CERT_TRUST_INVALID_NAME_CONSTRAINTS ||
 587      errorStatus & CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT ||
 588      errorStatus & CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT ||
 589      errorStatus & CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT ||
 590      errorStatus & CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT)
 591         error = CERT_E_INVALID_NAME;
 592     else if (errorStatus & CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY)
 593         error = CERT_E_INVALID_POLICY;
 594     else if (errorStatus)
 595     {
 596         FIXME("unknown error status %08x\n", errorStatus);
 597         error = TRUST_E_SYSTEM_ERROR;
 598     }
 599     else
 600         error = S_OK;
 601     return error;
 602 }
 603
 604 static BOOL WINTRUST_CopyChain(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
 605 {
 606     BOOL ret;
 607     PCERT_SIMPLE_CHAIN simpleChain =
 608      data->pasSigners[signerIdx].pChainContext->rgpChain[0];
 609     DWORD i;
 610
 611     data->pasSigners[signerIdx].pasCertChain[0].dwConfidence =
 612      WINTRUST_TrustStatusToConfidence(
 613      simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus);
 614     data->pasSigners[signerIdx].pasCertChain[0].dwError =
 615      WINTRUST_TrustStatusToError(
 616      simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus);
 617     data->pasSigners[signerIdx].pasCertChain[0].pChainElement =
 618      simpleChain->rgpElement[0];
 619     ret = TRUE;
 620     for (i = 1; ret && i < simpleChain->cElement; i++)
 621     {
 622         ret = data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
 623          simpleChain->rgpElement[i]->pCertContext);
 624         if (ret)
 625         {
 626             data->pasSigners[signerIdx].pasCertChain[i].pChainElement =
 627              simpleChain->rgpElement[i];
 628             data->pasSigners[signerIdx].pasCertChain[i].dwConfidence =
 629              WINTRUST_TrustStatusToConfidence(
 630              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 631             data->pasSigners[signerIdx].pasCertChain[i].dwError =
 632              WINTRUST_TrustStatusToError(
 633              simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
 634         }
 635     }
 636     return ret;
 637 }
 638
 639 static void WINTRUST_CreateChainPolicyCreateInfo(
 640  const CRYPT_PROVIDER_DATA *data, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO info,
 641  PCERT_CHAIN_PARA chainPara)
 642 {
 643     chainPara->cbSize = sizeof(CERT_CHAIN_PARA);
 644     if (data->pRequestUsage)
 645         chainPara->RequestedUsage = *data->pRequestUsage;
 646     else
 647     {
 648         chainPara->RequestedUsage.dwType = 0;
 649         chainPara->RequestedUsage.Usage.cUsageIdentifier = 0;
 650     }
 651     info->u.cbSize = sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO);
 652     info->hChainEngine = NULL;
 653     info->pChainPara = chainPara;
 654     if (data->dwProvFlags & CPD_REVOCATION_CHECK_END_CERT)
 655         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_END_CERT;
 656     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN)
 657         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN;
 658     else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT)
 659         info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
 660     else
 661         info->dwFlags = 0;
 662     info->pvReserved = NULL;
 663 }
 664
 665 static BOOL WINTRUST_CreateChainForSigner(CRYPT_PROVIDER_DATA *data,
 666  DWORD signer, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo,
 667  PCERT_CHAIN_PARA chainPara)
 668 {
 669     BOOL ret = TRUE;
 670     HCERTSTORE store = NULL;
 671
 672     if (data->chStores)
 673     {
 674         store = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
 675          CERT_STORE_CREATE_NEW_FLAG, NULL);
 676         if (store)
 677         {
 678             DWORD i;
 679
 680             for (i = 0; i < data->chStores; i++)
 681                 CertAddStoreToCollection(store, data->pahStores[i], 0, 0);
 682         }
 683     }
 684     /* Expect the end certificate for each signer to be the only cert in the
 685      * chain:
 686      */
 687     if (data->pasSigners[signer].csCertChain)
 688     {
 689         /* Create a certificate chain for each signer */
 690         ret = CertGetCertificateChain(createInfo->hChainEngine,
 691          data->pasSigners[signer].pasCertChain[0].pCert,
 692          &data->pasSigners[signer].sftVerifyAsOf, store,
 693          chainPara, createInfo->dwFlags, createInfo->pvReserved,
 694          &data->pasSigners[signer].pChainContext);
 695         if (ret)
 696         {
 697             if (data->pasSigners[signer].pChainContext->cChain != 1)
 698             {
 699                 FIXME("unimplemented for more than 1 simple chain\n");
 700                 ret = FALSE;
 701             }
 702             else
 703             {
 704                 if ((ret = WINTRUST_CopyChain(data, signer)))
 705                 {
 706                     if (data->psPfns->pfnCertCheckPolicy)
 707                         ret = data->psPfns->pfnCertCheckPolicy(data, signer,
 708                          FALSE, 0);
 709                     else
 710                         TRACE("no cert check policy, skipping policy check\n");
 711                 }
 712             }
 713         }
 714     }
 715     CertCloseStore(store, 0);
 716     return ret;
 717 }
 718
 719 HRESULT WINAPI WintrustCertificateTrust(CRYPT_PROVIDER_DATA *data)
 720 {
 721     BOOL ret;
 722
 723     TRACE("(%p)\n", data);
 724
 725     if (!data->csSigners)
 726     {
 727         ret = FALSE;
 728         SetLastError(TRUST_E_NOSIGNATURE);
 729     }
 730     else
 731     {
 732         DWORD i;
 733         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo;
 734         CERT_CHAIN_PARA chainPara;
 735
 736         WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 737         ret = TRUE;
 738         for (i = 0; i < data->csSigners; i++)
 739             ret = WINTRUST_CreateChainForSigner(data, i, &createInfo,
 740              &chainPara);
 741     }
 742     if (!ret)
 743         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 744          GetLastError();
 745     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 746      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 747     return ret ? S_OK : S_FALSE;
 748 }
 749
 750 HRESULT WINAPI GenericChainCertificateTrust(CRYPT_PROVIDER_DATA *data)
 751 {
 752     BOOL ret;
 753     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 754      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 755
 756     TRACE("(%p)\n", data);
 757
 758     if (policyData && policyData->u.cbSize !=
 759      sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO))
 760     {
 761         SetLastError(ERROR_INVALID_PARAMETER);
 762         ret = FALSE;
 763         goto end;
 764     }
 765     if (!data->csSigners)
 766     {
 767         ret = FALSE;
 768         SetLastError(TRUST_E_NOSIGNATURE);
 769     }
 770     else
 771     {
 772         DWORD i;
 773         WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo, *pCreateInfo;
 774         CERT_CHAIN_PARA chainPara, *pChainPara;
 775
 776         if (policyData)
 777         {
 778             pCreateInfo = policyData->pSignerChainInfo;
 779             pChainPara = pCreateInfo->pChainPara;
 780         }
 781         else
 782         {
 783             WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
 784             pChainPara = &chainPara;
 785             pCreateInfo = &createInfo;
 786         }
 787         ret = TRUE;
 788         for (i = 0; i < data->csSigners; i++)
 789             ret = WINTRUST_CreateChainForSigner(data, i, pCreateInfo,
 790              pChainPara);
 791     }
 792
 793 end:
 794     if (!ret)
 795         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
 796          GetLastError();
 797     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 798      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
 799     return ret ? S_OK : S_FALSE;
 800 }
 801
 802 HRESULT WINAPI SoftpubAuthenticode(CRYPT_PROVIDER_DATA *data)
 803 {
 804     BOOL ret;
 805     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 806
 807     TRACE("(%p)\n", data);
 808
 809     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 810         FIXME("unimplemented for UI choice %d\n",
 811          data->pWintrustData->dwUIChoice);
 812     if (!data->csSigners)
 813     {
 814         ret = FALSE;
 815         policyStatus.dwError = TRUST_E_NOSIGNATURE;
 816     }
 817     else
 818     {
 819         DWORD i;
 820
 821         ret = TRUE;
 822         for (i = 0; ret && i < data->csSigners; i++)
 823         {
 824             BYTE hash[20];
 825             DWORD size = sizeof(hash);
 826
 827             /* First make sure cert isn't disallowed */
 828             if ((ret = CertGetCertificateContextProperty(
 829              data->pasSigners[i].pasCertChain[0].pCert,
 830              CERT_SIGNATURE_HASH_PROP_ID, hash, &size)))
 831             {
 832                 static const WCHAR disallowedW[] =
 833                  { 'D','i','s','a','l','l','o','w','e','d',0 };
 834                 HCERTSTORE disallowed = CertOpenStore(CERT_STORE_PROV_SYSTEM_W,
 835                  X509_ASN_ENCODING, 0, CERT_SYSTEM_STORE_CURRENT_USER,
 836                  disallowedW);
 837
 838                 if (disallowed)
 839                 {
 840                     PCCERT_CONTEXT found = CertFindCertificateInStore(
 841                      disallowed, X509_ASN_ENCODING, 0, CERT_FIND_SIGNATURE_HASH,
 842                      hash, NULL);
 843
 844                     if (found)
 845                     {
 846                         /* Disallowed!  Can't verify it. */
 847                         policyStatus.dwError = TRUST_E_SUBJECT_NOT_TRUSTED;
 848                         ret = FALSE;
 849                         CertFreeCertificateContext(found);
 850                     }
 851                     CertCloseStore(disallowed, 0);
 852                 }
 853             }
 854             if (ret)
 855             {
 856                 CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 857
 858                 if (data->dwRegPolicySettings & WTPF_TRUSTTEST)
 859                     policyPara.dwFlags |= CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG;
 860                 if (data->dwRegPolicySettings & WTPF_TESTCANBEVALID)
 861                     policyPara.dwFlags |= CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG;
 862                 if (data->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 (data->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_AUTHENTICODE,
 874                  data->pasSigners[i].pChainContext, &policyPara, &policyStatus);
 875                 if (policyStatus.dwError != NO_ERROR)
 876                     ret = FALSE;
 877             }
 878         }
 879     }
 880     if (!ret)
 881         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] =
 882          policyStatus.dwError;
 883     TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
 884      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 885     return ret ? S_OK : S_FALSE;
 886 }
 887
 888 static HRESULT WINAPI WINTRUST_DefaultPolicy(CRYPT_PROVIDER_DATA *pProvData,
 889  DWORD dwStepError, DWORD dwRegPolicySettings, DWORD cSigner,
 890  PWTD_GENERIC_CHAIN_POLICY_SIGNER_INFO rgpSigner, void *pvPolicyArg)
 891 {
 892     DWORD i;
 893     CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
 894
 895     for (i = 0; !policyStatus.dwError && i < cSigner; i++)
 896     {
 897         CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
 898
 899         if (dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
 900             policyPara.dwFlags |=
 901              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
 902              CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
 903              CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
 904         if (dwRegPolicySettings & WTPF_IGNOREREVOKATION)
 905             policyPara.dwFlags |=
 906              CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
 907              CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
 908              CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
 909              CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
 910         CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE,
 911          rgpSigner[i].pChainContext, &policyPara, &policyStatus);
 912     }
 913     return policyStatus.dwError;
 914 }
 915
 916 HRESULT WINAPI GenericChainFinalProv(CRYPT_PROVIDER_DATA *data)
 917 {
 918     HRESULT err = NO_ERROR; /* not a typo, MS confused the types */
 919     WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
 920      (WTD_GENERIC_CHAIN_POLICY_DATA *)data->pWintrustData->pPolicyCallbackData;
 921
 922     TRACE("(%p)\n", data);
 923
 924     if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
 925         FIXME("unimplemented for UI choice %d\n",
 926          data->pWintrustData->dwUIChoice);
 927     if (!data->csSigners)
 928         err = TRUST_E_NOSIGNATURE;
 929     else
 930     {
 931         PFN_WTD_GENERIC_CHAIN_POLICY_CALLBACK policyCallback;
 932         void *policyArg;
 933         WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO *signers = NULL;
 934
 935         if (policyData)
 936         {
 937             policyCallback = policyData->pfnPolicyCallback;
 938             policyArg = policyData->pvPolicyArg;
 939         }
 940         else
 941         {
 942             policyCallback = WINTRUST_DefaultPolicy;
 943             policyArg = NULL;
 944         }
 945         if (data->csSigners)
 946         {
 947             DWORD i;
 948
 949             signers = data->psPfns->pfnAlloc(
 950              data->csSigners * sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO));
 951             if (signers)
 952             {
 953                 for (i = 0; i < data->csSigners; i++)
 954                 {
 955                     signers[i].u.cbSize =
 956                      sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO);
 957                     signers[i].pChainContext =
 958                      data->pasSigners[i].pChainContext;
 959                     signers[i].dwSignerType = data->pasSigners[i].dwSignerType;
 960                     signers[i].pMsgSignerInfo = data->pasSigners[i].psSigner;
 961                     signers[i].dwError = data->pasSigners[i].dwError;
 962                     if (data->pasSigners[i].csCounterSigners)
 963                         FIXME("unimplemented for counter signers\n");
 964                     signers[i].cCounterSigner = 0;
 965                     signers[i].rgpCounterSigner = NULL;
 966                 }
 967             }
 968             else
 969                 err = ERROR_OUTOFMEMORY;
 970         }
 971         if (err == NO_ERROR)
 972             err = policyCallback(data, TRUSTERROR_STEP_FINAL_POLICYPROV,
 973              data->dwRegPolicySettings, data->csSigners, signers, policyArg);
 974         data->psPfns->pfnFree(signers);
 975     }
 976     if (err != NO_ERROR)
 977         data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] = err;
 978     TRACE("returning %d (%08x)\n", err == NO_ERROR ? S_OK : S_FALSE,
 979      data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
 980     return err == NO_ERROR ? S_OK : S_FALSE;
 981 }
 982
 983 HRESULT WINAPI SoftpubCleanup(CRYPT_PROVIDER_DATA *data)
 984 {
 985     DWORD i, j;
 986
 987     for (i = 0; i < data->csSigners; i++)
 988     {
 989         for (j = 0; j < data->pasSigners[i].csCertChain; j++)
 990             CertFreeCertificateContext(data->pasSigners[i].pasCertChain[j].pCert);
 991         data->psPfns->pfnFree(data->pasSigners[i].pasCertChain);
 992         data->psPfns->pfnFree(data->pasSigners[i].psSigner);
 993         CertFreeCertificateChain(data->pasSigners[i].pChainContext);
 994     }
 995     data->psPfns->pfnFree(data->pasSigners);
 996
 997     for (i = 0; i < data->chStores; i++)
 998         CertCloseStore(data->pahStores[i], 0);
 999     data->psPfns->pfnFree(data->pahStores);
1000
1001     if (data->u.pPDSip)
1002     {
1003         data->psPfns->pfnFree(data->u.pPDSip->pSip);
1004         data->psPfns->pfnFree(data->u.pPDSip->pCATSip);
1005         data->psPfns->pfnFree(data->u.pPDSip->psSipSubjectInfo);
1006         data->psPfns->pfnFree(data->u.pPDSip->psSipCATSubjectInfo);
1007         data->psPfns->pfnFree(data->u.pPDSip->psIndirectData);
1008     }
1009
1010     CryptMsgClose(data->hMsg);
1011
1012     if (data->fOpenedFile)
1013         CloseHandle(data->pWintrustData->u.pFile->hFile);
1014
1015     return S_OK;
1016 }