536 lines
15 KiB
C
536 lines
15 KiB
C
/*
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* Copyright 2006 Juan Lang
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wincrypt.h"
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#include "wine/debug.h"
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#include "crypt32_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(crypt);
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PCCRL_CONTEXT WINAPI CertCreateCRLContext(DWORD dwCertEncodingType,
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const BYTE* pbCrlEncoded, DWORD cbCrlEncoded)
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{
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PCRL_CONTEXT crl = NULL;
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BOOL ret;
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PCRL_INFO crlInfo = NULL;
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DWORD size = 0;
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TRACE("(%08x, %p, %d)\n", dwCertEncodingType, pbCrlEncoded,
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cbCrlEncoded);
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if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING)
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{
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SetLastError(E_INVALIDARG);
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return NULL;
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}
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ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT_CRL_TO_BE_SIGNED,
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pbCrlEncoded, cbCrlEncoded, CRYPT_DECODE_ALLOC_FLAG, NULL,
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(BYTE *)&crlInfo, &size);
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if (ret)
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{
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BYTE *data = NULL;
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crl = (PCRL_CONTEXT)Context_CreateDataContext(sizeof(CRL_CONTEXT));
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if (!crl)
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goto end;
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data = CryptMemAlloc(cbCrlEncoded);
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if (!data)
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{
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CryptMemFree(crl);
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crl = NULL;
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goto end;
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}
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memcpy(data, pbCrlEncoded, cbCrlEncoded);
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crl->dwCertEncodingType = dwCertEncodingType;
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crl->pbCrlEncoded = data;
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crl->cbCrlEncoded = cbCrlEncoded;
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crl->pCrlInfo = crlInfo;
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crl->hCertStore = 0;
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}
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end:
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return (PCCRL_CONTEXT)crl;
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}
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BOOL WINAPI CertAddEncodedCRLToStore(HCERTSTORE hCertStore,
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DWORD dwCertEncodingType, const BYTE *pbCrlEncoded, DWORD cbCrlEncoded,
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DWORD dwAddDisposition, PCCRL_CONTEXT *ppCrlContext)
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{
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PCCRL_CONTEXT crl = CertCreateCRLContext(dwCertEncodingType,
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pbCrlEncoded, cbCrlEncoded);
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BOOL ret;
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TRACE("(%p, %08x, %p, %d, %08x, %p)\n", hCertStore, dwCertEncodingType,
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pbCrlEncoded, cbCrlEncoded, dwAddDisposition, ppCrlContext);
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if (crl)
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{
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ret = CertAddCRLContextToStore(hCertStore, crl, dwAddDisposition,
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ppCrlContext);
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CertFreeCRLContext(crl);
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}
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else
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ret = FALSE;
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return ret;
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}
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typedef BOOL (*CrlCompareFunc)(PCCRL_CONTEXT pCrlContext, DWORD dwType,
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DWORD dwFlags, const void *pvPara);
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static BOOL compare_crl_any(PCCRL_CONTEXT pCrlContext, DWORD dwType,
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DWORD dwFlags, const void *pvPara)
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{
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return TRUE;
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}
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static BOOL compare_crl_issued_by(PCCRL_CONTEXT pCrlContext, DWORD dwType,
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DWORD dwFlags, const void *pvPara)
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{
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BOOL ret;
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if (pvPara)
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{
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PCCERT_CONTEXT issuer = (PCCERT_CONTEXT)pvPara;
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ret = CertCompareCertificateName(issuer->dwCertEncodingType,
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&issuer->pCertInfo->Issuer, &pCrlContext->pCrlInfo->Issuer);
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}
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else
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ret = TRUE;
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return ret;
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}
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static BOOL compare_crl_existing(PCCRL_CONTEXT pCrlContext, DWORD dwType,
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DWORD dwFlags, const void *pvPara)
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{
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BOOL ret;
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if (pvPara)
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{
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PCCRL_CONTEXT crl = (PCCRL_CONTEXT)pvPara;
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ret = CertCompareCertificateName(pCrlContext->dwCertEncodingType,
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&pCrlContext->pCrlInfo->Issuer, &crl->pCrlInfo->Issuer);
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}
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else
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ret = TRUE;
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return ret;
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}
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PCCRL_CONTEXT WINAPI CertFindCRLInStore(HCERTSTORE hCertStore,
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DWORD dwCertEncodingType, DWORD dwFindFlags, DWORD dwFindType,
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const void *pvFindPara, PCCRL_CONTEXT pPrevCrlContext)
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{
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PCCRL_CONTEXT ret;
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CrlCompareFunc compare;
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TRACE("(%p, %d, %d, %d, %p, %p)\n", hCertStore, dwCertEncodingType,
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dwFindFlags, dwFindType, pvFindPara, pPrevCrlContext);
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switch (dwFindType)
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{
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case CRL_FIND_ANY:
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compare = compare_crl_any;
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break;
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case CRL_FIND_ISSUED_BY:
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compare = compare_crl_issued_by;
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break;
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case CRL_FIND_EXISTING:
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compare = compare_crl_existing;
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break;
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default:
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FIXME("find type %08x unimplemented\n", dwFindType);
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compare = NULL;
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}
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if (compare)
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{
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BOOL matches = FALSE;
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ret = pPrevCrlContext;
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do {
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ret = CertEnumCRLsInStore(hCertStore, ret);
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if (ret)
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matches = compare(ret, dwFindType, dwFindFlags, pvFindPara);
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} while (ret != NULL && !matches);
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if (!ret)
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SetLastError(CRYPT_E_NOT_FOUND);
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}
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else
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{
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SetLastError(CRYPT_E_NOT_FOUND);
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ret = NULL;
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}
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return ret;
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}
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PCCRL_CONTEXT WINAPI CertGetCRLFromStore(HCERTSTORE hCertStore,
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PCCERT_CONTEXT pIssuerContext, PCCRL_CONTEXT pPrevCrlContext, DWORD *pdwFlags)
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{
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static const DWORD supportedFlags = CERT_STORE_SIGNATURE_FLAG |
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CERT_STORE_TIME_VALIDITY_FLAG | CERT_STORE_BASE_CRL_FLAG |
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CERT_STORE_DELTA_CRL_FLAG;
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PCCRL_CONTEXT ret;
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TRACE("(%p, %p, %p, %08x)\n", hCertStore, pIssuerContext, pPrevCrlContext,
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*pdwFlags);
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if (*pdwFlags & ~supportedFlags)
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{
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SetLastError(E_INVALIDARG);
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return NULL;
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}
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if (pIssuerContext)
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ret = CertFindCRLInStore(hCertStore, pIssuerContext->dwCertEncodingType,
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0, CRL_FIND_ISSUED_BY, pIssuerContext, pPrevCrlContext);
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else
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ret = CertFindCRLInStore(hCertStore, 0, 0, CRL_FIND_ANY, NULL,
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pPrevCrlContext);
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if (ret)
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{
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if (*pdwFlags & CERT_STORE_TIME_VALIDITY_FLAG)
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{
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if (0 == CertVerifyCRLTimeValidity(NULL, ret->pCrlInfo))
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*pdwFlags &= ~CERT_STORE_TIME_VALIDITY_FLAG;
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}
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if (*pdwFlags & CERT_STORE_SIGNATURE_FLAG)
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{
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if (CryptVerifyCertificateSignatureEx(0, ret->dwCertEncodingType,
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CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL, (void *)ret,
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CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT, (void *)pIssuerContext, 0,
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NULL))
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*pdwFlags &= ~CERT_STORE_SIGNATURE_FLAG;
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}
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}
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return ret;
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}
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PCCRL_CONTEXT WINAPI CertDuplicateCRLContext(PCCRL_CONTEXT pCrlContext)
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{
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TRACE("(%p)\n", pCrlContext);
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Context_AddRef((void *)pCrlContext, sizeof(CRL_CONTEXT));
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return pCrlContext;
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}
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static void CrlDataContext_Free(void *context)
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{
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PCRL_CONTEXT crlContext = (PCRL_CONTEXT)context;
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CryptMemFree(crlContext->pbCrlEncoded);
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LocalFree(crlContext->pCrlInfo);
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}
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BOOL WINAPI CertFreeCRLContext( PCCRL_CONTEXT pCrlContext)
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{
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TRACE("(%p)\n", pCrlContext);
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if (pCrlContext)
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Context_Release((void *)pCrlContext, sizeof(CRL_CONTEXT),
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CrlDataContext_Free);
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return TRUE;
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}
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DWORD WINAPI CertEnumCRLContextProperties(PCCRL_CONTEXT pCRLContext,
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DWORD dwPropId)
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{
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PCONTEXT_PROPERTY_LIST properties = Context_GetProperties(
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(void *)pCRLContext, sizeof(CRL_CONTEXT));
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DWORD ret;
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TRACE("(%p, %d)\n", pCRLContext, dwPropId);
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if (properties)
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ret = ContextPropertyList_EnumPropIDs(properties, dwPropId);
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else
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ret = 0;
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return ret;
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}
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static BOOL WINAPI CRLContext_SetProperty(void *context, DWORD dwPropId,
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DWORD dwFlags, const void *pvData);
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static BOOL CRLContext_GetHashProp(void *context, DWORD dwPropId,
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ALG_ID algID, const BYTE *toHash, DWORD toHashLen, void *pvData,
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DWORD *pcbData)
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{
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BOOL ret = CryptHashCertificate(0, algID, 0, toHash, toHashLen, pvData,
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pcbData);
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if (ret)
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{
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CRYPT_DATA_BLOB blob = { *pcbData, pvData };
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ret = CRLContext_SetProperty(context, dwPropId, 0, &blob);
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}
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return ret;
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}
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static BOOL WINAPI CRLContext_GetProperty(void *context, DWORD dwPropId,
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void *pvData, DWORD *pcbData)
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{
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PCCRL_CONTEXT pCRLContext = (PCCRL_CONTEXT)context;
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PCONTEXT_PROPERTY_LIST properties =
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Context_GetProperties(context, sizeof(CRL_CONTEXT));
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BOOL ret;
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CRYPT_DATA_BLOB blob;
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TRACE("(%p, %d, %p, %p)\n", context, dwPropId, pvData, pcbData);
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if (properties)
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ret = ContextPropertyList_FindProperty(properties, dwPropId, &blob);
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else
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ret = FALSE;
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if (ret)
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{
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if (!pvData)
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{
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*pcbData = blob.cbData;
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ret = TRUE;
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}
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else if (*pcbData < blob.cbData)
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{
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SetLastError(ERROR_MORE_DATA);
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*pcbData = blob.cbData;
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}
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else
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{
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memcpy(pvData, blob.pbData, blob.cbData);
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*pcbData = blob.cbData;
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ret = TRUE;
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}
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}
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else
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{
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/* Implicit properties */
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switch (dwPropId)
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{
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case CERT_SHA1_HASH_PROP_ID:
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ret = CRLContext_GetHashProp(context, dwPropId, CALG_SHA1,
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pCRLContext->pbCrlEncoded, pCRLContext->cbCrlEncoded, pvData,
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pcbData);
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break;
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case CERT_MD5_HASH_PROP_ID:
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ret = CRLContext_GetHashProp(context, dwPropId, CALG_MD5,
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pCRLContext->pbCrlEncoded, pCRLContext->cbCrlEncoded, pvData,
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pcbData);
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break;
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default:
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SetLastError(CRYPT_E_NOT_FOUND);
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}
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}
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TRACE("returning %d\n", ret);
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return ret;
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}
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BOOL WINAPI CertGetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
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DWORD dwPropId, void *pvData, DWORD *pcbData)
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{
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BOOL ret;
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TRACE("(%p, %d, %p, %p)\n", pCRLContext, dwPropId, pvData, pcbData);
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switch (dwPropId)
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{
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case 0:
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case CERT_CERT_PROP_ID:
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case CERT_CRL_PROP_ID:
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case CERT_CTL_PROP_ID:
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SetLastError(E_INVALIDARG);
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ret = FALSE;
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break;
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case CERT_ACCESS_STATE_PROP_ID:
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if (!pvData)
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{
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*pcbData = sizeof(DWORD);
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ret = TRUE;
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}
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else if (*pcbData < sizeof(DWORD))
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{
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SetLastError(ERROR_MORE_DATA);
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*pcbData = sizeof(DWORD);
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ret = FALSE;
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}
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else
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{
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*(DWORD *)pvData =
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CertStore_GetAccessState(pCRLContext->hCertStore);
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ret = TRUE;
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}
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break;
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default:
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ret = CRLContext_GetProperty((void *)pCRLContext, dwPropId, pvData,
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pcbData);
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}
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return ret;
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}
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static BOOL WINAPI CRLContext_SetProperty(void *context, DWORD dwPropId,
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DWORD dwFlags, const void *pvData)
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{
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PCONTEXT_PROPERTY_LIST properties =
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Context_GetProperties(context, sizeof(CERT_CONTEXT));
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BOOL ret;
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TRACE("(%p, %d, %08x, %p)\n", context, dwPropId, dwFlags, pvData);
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if (!properties)
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ret = FALSE;
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else if (!pvData)
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{
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ContextPropertyList_RemoveProperty(properties, dwPropId);
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ret = TRUE;
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}
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else
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{
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switch (dwPropId)
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{
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case CERT_AUTO_ENROLL_PROP_ID:
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case CERT_CTL_USAGE_PROP_ID: /* same as CERT_ENHKEY_USAGE_PROP_ID */
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case CERT_DESCRIPTION_PROP_ID:
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case CERT_FRIENDLY_NAME_PROP_ID:
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case CERT_HASH_PROP_ID:
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case CERT_KEY_IDENTIFIER_PROP_ID:
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case CERT_MD5_HASH_PROP_ID:
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case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
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case CERT_PUBKEY_ALG_PARA_PROP_ID:
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case CERT_PVK_FILE_PROP_ID:
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case CERT_SIGNATURE_HASH_PROP_ID:
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case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
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case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
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case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
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case CERT_ENROLLMENT_PROP_ID:
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case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
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case CERT_RENEWAL_PROP_ID:
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{
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PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvData;
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ret = ContextPropertyList_SetProperty(properties, dwPropId,
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blob->pbData, blob->cbData);
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break;
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}
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case CERT_DATE_STAMP_PROP_ID:
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ret = ContextPropertyList_SetProperty(properties, dwPropId,
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(const BYTE *)pvData, sizeof(FILETIME));
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break;
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default:
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FIXME("%d: stub\n", dwPropId);
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ret = FALSE;
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}
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}
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TRACE("returning %d\n", ret);
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return ret;
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}
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BOOL WINAPI CertSetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
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DWORD dwPropId, DWORD dwFlags, const void *pvData)
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{
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BOOL ret;
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TRACE("(%p, %d, %08x, %p)\n", pCRLContext, dwPropId, dwFlags, pvData);
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/* Handle special cases for "read-only"/invalid prop IDs. Windows just
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* crashes on most of these, I'll be safer.
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*/
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switch (dwPropId)
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{
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case 0:
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case CERT_ACCESS_STATE_PROP_ID:
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case CERT_CERT_PROP_ID:
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case CERT_CRL_PROP_ID:
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case CERT_CTL_PROP_ID:
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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ret = CRLContext_SetProperty((void *)pCRLContext, dwPropId, dwFlags,
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pvData);
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TRACE("returning %d\n", ret);
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return ret;
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}
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BOOL WINAPI CertIsValidCRLForCertificate(PCCERT_CONTEXT pCert,
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PCCRL_CONTEXT pCrl, DWORD dwFlags, void *pvReserved)
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{
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TRACE("(%p, %p, %08x, %p)\n", pCert, pCrl, dwFlags, pvReserved);
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return TRUE;
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}
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static PCRL_ENTRY CRYPT_FindCertificateInCRL(PCERT_INFO cert, const CRL_INFO *crl)
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{
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DWORD i;
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PCRL_ENTRY entry = NULL;
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for (i = 0; !entry && i < crl->cCRLEntry; i++)
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if (CertCompareIntegerBlob(&crl->rgCRLEntry[i].SerialNumber,
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&cert->SerialNumber))
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entry = &crl->rgCRLEntry[i];
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return entry;
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}
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BOOL WINAPI CertFindCertificateInCRL(PCCERT_CONTEXT pCert,
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PCCRL_CONTEXT pCrlContext, DWORD dwFlags, void *pvReserved,
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PCRL_ENTRY *ppCrlEntry)
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{
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TRACE("(%p, %p, %08x, %p, %p)\n", pCert, pCrlContext, dwFlags, pvReserved,
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ppCrlEntry);
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*ppCrlEntry = CRYPT_FindCertificateInCRL(pCert->pCertInfo,
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pCrlContext->pCrlInfo);
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return TRUE;
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}
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BOOL WINAPI CertVerifyCRLRevocation(DWORD dwCertEncodingType,
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PCERT_INFO pCertId, DWORD cCrlInfo, PCRL_INFO rgpCrlInfo[])
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{
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DWORD i;
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PCRL_ENTRY entry = NULL;
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TRACE("(%08x, %p, %d, %p)\n", dwCertEncodingType, pCertId, cCrlInfo,
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rgpCrlInfo);
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|
|
|
for (i = 0; !entry && i < cCrlInfo; i++)
|
|
entry = CRYPT_FindCertificateInCRL(pCertId, rgpCrlInfo[i]);
|
|
return entry == NULL;
|
|
}
|
|
|
|
LONG WINAPI CertVerifyCRLTimeValidity(LPFILETIME pTimeToVerify,
|
|
PCRL_INFO pCrlInfo)
|
|
{
|
|
FILETIME fileTime;
|
|
LONG ret;
|
|
|
|
if (!pTimeToVerify)
|
|
{
|
|
SYSTEMTIME sysTime;
|
|
|
|
GetSystemTime(&sysTime);
|
|
SystemTimeToFileTime(&sysTime, &fileTime);
|
|
pTimeToVerify = &fileTime;
|
|
}
|
|
if ((ret = CompareFileTime(pTimeToVerify, &pCrlInfo->ThisUpdate)) >= 0)
|
|
{
|
|
ret = CompareFileTime(pTimeToVerify, &pCrlInfo->NextUpdate);
|
|
if (ret < 0)
|
|
ret = 0;
|
|
}
|
|
return ret;
|
|
}
|