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Commit c1a69ee3 authored by Juan Lang's avatar Juan Lang Committed by Alexandre Julliard
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crypt32: Move simplified message functions to their own file.

parent 985115d8
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Showing with 215 additions and 167 deletions
dlls/crypt32/Makefile.in
View file @ c1a69ee3
......@@ -19,6 +19,7 @@ C_SRCS = \
encode.c \
filestore.c \
main.c \
message.c \
msg.c \
object.c \
oid.c \
......
dlls/crypt32/message.c 0 → 100644
View file @ c1a69ee3
/*
* Copyright 2007 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
HCERTSTORE WINAPI CryptGetMessageCertificates(DWORD dwMsgAndCertEncodingType,
HCRYPTPROV_LEGACY hCryptProv, DWORD dwFlags, const BYTE* pbSignedBlob,
DWORD cbSignedBlob)
{
CRYPT_DATA_BLOB blob = { cbSignedBlob, (LPBYTE)pbSignedBlob };
TRACE("(%08x, %ld, %d08x %p, %d)\n", dwMsgAndCertEncodingType, hCryptProv,
dwFlags, pbSignedBlob, cbSignedBlob);
return CertOpenStore(CERT_STORE_PROV_PKCS7, dwMsgAndCertEncodingType,
hCryptProv, dwFlags, &blob);
}
LONG WINAPI CryptGetMessageSignerCount(DWORD dwMsgEncodingType,
const BYTE *pbSignedBlob, DWORD cbSignedBlob)
{
HCRYPTMSG msg;
LONG count = -1;
TRACE("(%08x, %p, %d)\n", dwMsgEncodingType, pbSignedBlob, cbSignedBlob);
msg = CryptMsgOpenToDecode(dwMsgEncodingType, 0, 0, 0, NULL, NULL);
if (msg)
{
if (CryptMsgUpdate(msg, pbSignedBlob, cbSignedBlob, TRUE))
{
DWORD size = sizeof(count);
CryptMsgGetParam(msg, CMSG_SIGNER_COUNT_PARAM, 0, &count, &size);
}
CryptMsgClose(msg);
}
return count;
}
static BOOL CRYPT_CopyParam(void *pvData, DWORD *pcbData, const void *src,
DWORD len)
{
BOOL ret = TRUE;
if (!pvData)
*pcbData = len;
else if (*pcbData < len)
{
*pcbData = len;
SetLastError(ERROR_MORE_DATA);
ret = FALSE;
}
else
{
*pcbData = len;
memcpy(pvData, src, len);
}
return ret;
}
static CERT_INFO *CRYPT_GetSignerCertInfoFromMsg(HCRYPTMSG msg,
DWORD dwSignerIndex)
{
CERT_INFO *certInfo = NULL;
DWORD size;
if (CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM, dwSignerIndex, NULL,
&size))
{
certInfo = CryptMemAlloc(size);
if (certInfo)
{
if (!CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM,
dwSignerIndex, certInfo, &size))
{
CryptMemFree(certInfo);
certInfo = NULL;
}
}
}
return certInfo;
}
static PCCERT_CONTEXT WINAPI CRYPT_DefaultGetSignerCertificate(void *pvGetArg,
DWORD dwCertEncodingType, PCERT_INFO pSignerId, HCERTSTORE hMsgCertStore)
{
return CertFindCertificateInStore(hMsgCertStore, dwCertEncodingType, 0,
CERT_FIND_SUBJECT_CERT, pSignerId, NULL);
}
static inline PCCERT_CONTEXT CRYPT_GetSignerCertificate(HCRYPTMSG msg,
PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara, PCERT_INFO certInfo, HCERTSTORE store)
{
PFN_CRYPT_GET_SIGNER_CERTIFICATE getCert;
if (pVerifyPara->pfnGetSignerCertificate)
getCert = pVerifyPara->pfnGetSignerCertificate;
else
getCert = CRYPT_DefaultGetSignerCertificate;
return getCert(pVerifyPara->pvGetArg,
pVerifyPara->dwMsgAndCertEncodingType, certInfo, store);
}
BOOL WINAPI CryptVerifyMessageSignature(PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara,
DWORD dwSignerIndex, const BYTE* pbSignedBlob, DWORD cbSignedBlob,
BYTE* pbDecoded, DWORD* pcbDecoded, PCCERT_CONTEXT* ppSignerCert)
{
BOOL ret = FALSE;
DWORD size;
CRYPT_CONTENT_INFO *contentInfo;
TRACE("(%p, %d, %p, %d, %p, %p, %p)\n",
pVerifyPara, dwSignerIndex, pbSignedBlob, cbSignedBlob,
pbDecoded, pcbDecoded, ppSignerCert);
if (ppSignerCert)
*ppSignerCert = NULL;
if (pcbDecoded)
*pcbDecoded = 0;
if (!pVerifyPara ||
pVerifyPara->cbSize != sizeof(CRYPT_VERIFY_MESSAGE_PARA) ||
GET_CMSG_ENCODING_TYPE(pVerifyPara->dwMsgAndCertEncodingType) !=
PKCS_7_ASN_ENCODING)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
ret = CryptDecodeObjectEx(pVerifyPara->dwMsgAndCertEncodingType,
PKCS_CONTENT_INFO, pbSignedBlob, cbSignedBlob,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
(LPBYTE)&contentInfo, &size);
if (ret)
{
if (strcmp(contentInfo->pszObjId, szOID_RSA_signedData))
{
SetLastError(CRYPT_E_UNEXPECTED_MSG_TYPE);
ret = FALSE;
}
else
{
HCRYPTMSG msg = CryptMsgOpenToDecode(
pVerifyPara->dwMsgAndCertEncodingType, 0, CMSG_SIGNED,
pVerifyPara->hCryptProv, NULL, NULL);
if (msg)
{
ret = CryptMsgUpdate(msg, contentInfo->Content.pbData,
contentInfo->Content.cbData, TRUE);
if (ret && pcbDecoded)
ret = CRYPT_CopyParam(pbDecoded, pcbDecoded,
contentInfo->Content.pbData, contentInfo->Content.cbData);
if (ret)
{
CERT_INFO *certInfo = CRYPT_GetSignerCertInfoFromMsg(msg,
dwSignerIndex);
ret = FALSE;
if (certInfo)
{
HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MSG,
pVerifyPara->dwMsgAndCertEncodingType,
pVerifyPara->hCryptProv, 0, msg);
if (store)
{
PCCERT_CONTEXT cert = CRYPT_GetSignerCertificate(
msg, pVerifyPara, certInfo, store);
if (cert)
{
ret = CryptMsgControl(msg, 0,
CMSG_CTRL_VERIFY_SIGNATURE, cert->pCertInfo);
if (ret && ppSignerCert)
*ppSignerCert = cert;
else
CertFreeCertificateContext(cert);
}
CertCloseStore(store, 0);
}
}
CryptMemFree(certInfo);
}
CryptMsgClose(msg);
}
}
LocalFree(contentInfo);
}
TRACE("returning %d\n", ret);
return ret;
}
dlls/crypt32/msg.c
View file @ c1a69ee3
......@@ -2445,170 +2445,3 @@ BOOL WINAPI CryptMsgControl(HCRYPTMSG hCryptMsg, DWORD dwFlags,
pvCtrlPara);
return msg->control(hCryptMsg, dwFlags, dwCtrlType, pvCtrlPara);
}
HCERTSTORE WINAPI CryptGetMessageCertificates(DWORD dwMsgAndCertEncodingType,
HCRYPTPROV_LEGACY hCryptProv, DWORD dwFlags, const BYTE* pbSignedBlob,
DWORD cbSignedBlob)
{
CRYPT_DATA_BLOB blob = { cbSignedBlob, (LPBYTE)pbSignedBlob };
TRACE("(%08x, %ld, %d08x %p, %d)\n", dwMsgAndCertEncodingType, hCryptProv,
dwFlags, pbSignedBlob, cbSignedBlob);
return CertOpenStore(CERT_STORE_PROV_PKCS7, dwMsgAndCertEncodingType,
hCryptProv, dwFlags, &blob);
}
LONG WINAPI CryptGetMessageSignerCount(DWORD dwMsgEncodingType,
const BYTE *pbSignedBlob, DWORD cbSignedBlob)
{
HCRYPTMSG msg;
LONG count = -1;
TRACE("(%08x, %p, %d)\n", dwMsgEncodingType, pbSignedBlob, cbSignedBlob);
msg = CryptMsgOpenToDecode(dwMsgEncodingType, 0, 0, 0, NULL, NULL);
if (msg)
{
if (CryptMsgUpdate(msg, pbSignedBlob, cbSignedBlob, TRUE))
{
DWORD size = sizeof(count);
CryptMsgGetParam(msg, CMSG_SIGNER_COUNT_PARAM, 0, &count, &size);
}
CryptMsgClose(msg);
}
return count;
}
static CERT_INFO *CRYPT_GetSignerCertInfoFromMsg(HCRYPTMSG msg,
DWORD dwSignerIndex)
{
CERT_INFO *certInfo = NULL;
DWORD size;
if (CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM, dwSignerIndex, NULL,
&size))
{
certInfo = CryptMemAlloc(size);
if (certInfo)
{
if (!CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM,
dwSignerIndex, certInfo, &size))
{
CryptMemFree(certInfo);
certInfo = NULL;
}
}
}
return certInfo;
}
static PCCERT_CONTEXT WINAPI CRYPT_DefaultGetSignerCertificate(void *pvGetArg,
DWORD dwCertEncodingType, PCERT_INFO pSignerId, HCERTSTORE hMsgCertStore)
{
return CertFindCertificateInStore(hMsgCertStore, dwCertEncodingType, 0,
CERT_FIND_SUBJECT_CERT, pSignerId, NULL);
}
static inline PCCERT_CONTEXT CRYPT_GetSignerCertificate(HCRYPTMSG msg,
PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara, PCERT_INFO certInfo, HCERTSTORE store)
{
PFN_CRYPT_GET_SIGNER_CERTIFICATE getCert;
if (pVerifyPara->pfnGetSignerCertificate)
getCert = pVerifyPara->pfnGetSignerCertificate;
else
getCert = CRYPT_DefaultGetSignerCertificate;
return getCert(pVerifyPara->pvGetArg,
pVerifyPara->dwMsgAndCertEncodingType, certInfo, store);
}
BOOL WINAPI CryptVerifyMessageSignature(PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara,
DWORD dwSignerIndex, const BYTE* pbSignedBlob, DWORD cbSignedBlob,
BYTE* pbDecoded, DWORD* pcbDecoded, PCCERT_CONTEXT* ppSignerCert)
{
BOOL ret = FALSE;
DWORD size;
CRYPT_CONTENT_INFO *contentInfo;
TRACE("(%p, %d, %p, %d, %p, %p, %p)\n",
pVerifyPara, dwSignerIndex, pbSignedBlob, cbSignedBlob,
pbDecoded, pcbDecoded, ppSignerCert);
if (ppSignerCert)
*ppSignerCert = NULL;
if (pcbDecoded)
*pcbDecoded = 0;
if (!pVerifyPara ||
pVerifyPara->cbSize != sizeof(CRYPT_VERIFY_MESSAGE_PARA) ||
GET_CMSG_ENCODING_TYPE(pVerifyPara->dwMsgAndCertEncodingType) !=
PKCS_7_ASN_ENCODING)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
ret = CryptDecodeObjectEx(pVerifyPara->dwMsgAndCertEncodingType,
PKCS_CONTENT_INFO, pbSignedBlob, cbSignedBlob,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
(LPBYTE)&contentInfo, &size);
if (ret)
{
if (strcmp(contentInfo->pszObjId, szOID_RSA_signedData))
{
SetLastError(CRYPT_E_UNEXPECTED_MSG_TYPE);
ret = FALSE;
}
else
{
HCRYPTMSG msg = CryptMsgOpenToDecode(
pVerifyPara->dwMsgAndCertEncodingType, 0, CMSG_SIGNED,
pVerifyPara->hCryptProv, NULL, NULL);
if (msg)
{
ret = CryptMsgUpdate(msg, contentInfo->Content.pbData,
contentInfo->Content.cbData, TRUE);
if (ret && pcbDecoded)
ret = CRYPT_CopyParam(pbDecoded, pcbDecoded,
contentInfo->Content.pbData, contentInfo->Content.cbData);
if (ret)
{
CERT_INFO *certInfo = CRYPT_GetSignerCertInfoFromMsg(msg,
dwSignerIndex);
ret = FALSE;
if (certInfo)
{
HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MSG,
pVerifyPara->dwMsgAndCertEncodingType,
pVerifyPara->hCryptProv, 0, msg);
if (store)
{
PCCERT_CONTEXT cert = CRYPT_GetSignerCertificate(
msg, pVerifyPara, certInfo, store);
if (cert)
{
ret = CryptMsgControl(msg, 0,
CMSG_CTRL_VERIFY_SIGNATURE, cert->pCertInfo);
if (ret && ppSignerCert)
*ppSignerCert = cert;
else
CertFreeCertificateContext(cert);
}
CertCloseStore(store, 0);
}
}
CryptMemFree(certInfo);
}
CryptMsgClose(msg);
}
}
LocalFree(contentInfo);
}
TRACE("returning %d\n", ret);
return ret;
}
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