Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: capi.cpp
//
//--------------------------------------------------------------------------
#include "windows.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <malloc.h>
#include "crtem.h"
#include "redir.h"
#include "unicode.h"
#ifndef _M_IX86
BOOL
WINAPI
UnicodeDllMain(
HMODULE hInst,
ULONG ulReason,
LPVOID lpReserved
)
{
return TRUE;
}
#else
#ifdef LINK_REDIR
#define pfnAcquireContextW CryptAcquireContextW
#define pfnSignHashW CryptSignHashW
#define pfnVerifySignatureW CryptVerifySignatureW
#define pfnSetProviderW CryptSetProviderW
#define pfnEnumProvidersW CryptEnumProvidersW
#else
static HINSTANCE hCrypt = NULL;
static LPSTR pszCryptName = "advapi32.dll";
static CRYPTACQUIRECONTEXTW *pfnAcquireContextW = NULL;
static CRYPTSIGNHASHW *pfnSignHashW = NULL;
static CRYPTVERIFYSIGNATUREW *pfnVerifySignatureW = NULL;
static CRYPTSETPROVIDERW *pfnSetProviderW = NULL;
typedef WINADVAPI BOOL WINAPI CRYPTENUMPROVIDERSW(
DWORD dwIndex,
DWORD *pdwReserved,
DWORD dwFlags,
DWORD *pdwProvType,
LPWSTR szTypeName,
DWORD *pcbTypeName
);
static CRYPTENUMPROVIDERSW *pfnEnumProvidersW = NULL;
#endif
BOOL
WINAPI
UnicodeDllMain(
HMODULE hInst,
ULONG ulReason,
LPVOID lpReserved)
{
#ifndef LINK_REDIR
switch (ulReason) {
case DLL_PROCESS_ATTACH:
hCrypt = LoadLibraryA(pszCryptName);
pfnAcquireContextW = (CRYPTACQUIRECONTEXTW*)GetProcAddress(
hCrypt,
"CryptAcquireContextW");
pfnSignHashW = (CRYPTSIGNHASHW*)GetProcAddress(
hCrypt,
"CryptSignHashW");
pfnVerifySignatureW = (CRYPTVERIFYSIGNATUREW*)GetProcAddress(
hCrypt,
"CryptVerifySignatureW");
pfnSetProviderW = (CRYPTSETPROVIDERW*)GetProcAddress(
hCrypt,
"CryptSetProviderW");
pfnEnumProvidersW = (CRYPTENUMPROVIDERSW*)GetProcAddress(
hCrypt,
"CryptEnumProvidersW");
break;
case DLL_PROCESS_DETACH:
FreeLibrary( hCrypt);
pfnAcquireContextW = NULL;
pfnSignHashW = NULL;
pfnVerifySignatureW = NULL;
pfnSetProviderW = NULL;
pfnEnumProvidersW = NULL;
break;
default:
break;
}
#endif
return TRUE;
}
BOOL WINAPI CryptAcquireContext9x(
HCRYPTPROV *phProv,
LPCWSTR lpContainer,
LPCWSTR lpProvider,
DWORD dwProvType,
DWORD dwFlags) {
BYTE rgb1[_MAX_PATH];
BYTE rgb2[_MAX_PATH];
char * szContainer = NULL;
char * szProvider = NULL;
LONG err;
err = FALSE;
if(
MkMBStr(rgb1, _MAX_PATH, lpContainer, &szContainer) &&
MkMBStr(rgb2, _MAX_PATH, lpProvider, &szProvider) )
err = CryptAcquireContextA (
phProv,
szContainer,
szProvider,
dwProvType,
dwFlags
);
FreeMBStr(rgb1, szContainer);
FreeMBStr(rgb2, szProvider);
return(err);
}
BOOL WINAPI CryptAcquireContextU(
HCRYPTPROV *phProv,
LPCWSTR lpContainer,
LPCWSTR lpProvider,
DWORD dwProvType,
DWORD dwFlags) {
// Bug in CyptAcquireContextW for NT4
if(FIsWinNT5() && pfnAcquireContextW)
return( pfnAcquireContextW (
phProv,
lpContainer,
lpProvider,
dwProvType,
dwFlags
));
else
return( CryptAcquireContext9x (
phProv,
lpContainer,
lpProvider,
dwProvType,
dwFlags
));
}
BOOL WINAPI CryptSignHash9x(
HCRYPTHASH hHash,
DWORD dwKeySpec,
LPCWSTR lpDescription,
DWORD dwFlags,
BYTE *pbSignature,
DWORD *pdwSigLen) {
BYTE rgb[_MAX_PATH];
char * szDescription;
LONG err;
err = FALSE;
if(MkMBStr(rgb, _MAX_PATH, lpDescription, &szDescription))
err = CryptSignHashA (
hHash,
dwKeySpec,
szDescription,
dwFlags,
pbSignature,
pdwSigLen
);
FreeMBStr(rgb, szDescription);
return(err);
}
BOOL WINAPI CryptSignHashU(
HCRYPTHASH hHash,
DWORD dwKeySpec,
LPCWSTR lpDescription,
DWORD dwFlags,
BYTE *pbSignature,
DWORD *pdwSigLen) {
if(FIsWinNT())
return(pfnSignHashW (
hHash,
dwKeySpec,
lpDescription,
dwFlags,
pbSignature,
pdwSigLen
));
else
return(CryptSignHash9x (
hHash,
dwKeySpec,
lpDescription,
dwFlags,
pbSignature,
pdwSigLen
));
}
BOOL WINAPI CryptVerifySignature9x(
HCRYPTHASH hHash,
CONST BYTE *pbSignature,
DWORD dwSigLen,
HCRYPTKEY hPubKey,
LPCWSTR lpDescription,
DWORD dwFlags) {
BYTE rgb[_MAX_PATH];
char * szDescription;
LONG err;
err = FALSE;
if(MkMBStr(rgb, _MAX_PATH, lpDescription, &szDescription))
err = CryptVerifySignatureA (
hHash,
pbSignature,
dwSigLen,
hPubKey,
szDescription,
dwFlags
);
FreeMBStr(rgb, szDescription);
return(err);
}
BOOL WINAPI CryptVerifySignatureU(
HCRYPTHASH hHash,
CONST BYTE *pbSignature,
DWORD dwSigLen,
HCRYPTKEY hPubKey,
LPCWSTR lpDescription,
DWORD dwFlags) {
BYTE rgb[_MAX_PATH];
char * szDescription;
LONG err;
if(FIsWinNT())
return(pfnVerifySignatureW (
hHash,
pbSignature,
dwSigLen,
hPubKey,
lpDescription,
dwFlags
));
else
return(CryptVerifySignature9x (
hHash,
pbSignature,
dwSigLen,
hPubKey,
lpDescription,
dwFlags
));
}
BOOL WINAPI CryptSetProvider9x(
LPCWSTR lpProvName,
DWORD dwProvType) {
BYTE rgb[_MAX_PATH];
char * szProvName;
LONG err;
err = FALSE;
if(MkMBStr(rgb, _MAX_PATH, lpProvName, &szProvName))
err = CryptSetProviderA (
szProvName,
dwProvType
);
FreeMBStr(rgb, szProvName);
return(err);
}
BOOL WINAPI CryptSetProviderU(
LPCWSTR lpProvName,
DWORD dwProvType) {
if(FIsWinNT())
return(pfnSetProviderW (
lpProvName,
dwProvType
));
else
return(CryptSetProvider9x (
lpProvName,
dwProvType
));
}
/*
- CryptEnumProvidersU
-
* Purpose:
* Enumerate the providers.
*
* Parameters:
* IN dwIndex - Index to the providers to enumerate
* IN pdwReserved - Reserved for future use
* IN dwFlags - Flags parameter
* OUT pdwProvType - The type of the provider
* OUT pwszProvName - Name of the enumerated provider
* IN OUT pcbProvName - Length of the enumerated provider
*
* Returns:
* BOOL
* Use get extended error information use GetLastError
*/
#define PROVREG L"SOFTWARE\\Microsoft\\Cryptography\\Defaults\\Provider"
#define PROVTYPEREG L"Type"
BOOL
WINAPI CryptEnumProviders9x(
IN DWORD dwIndex,
IN DWORD *pdwReserved,
IN DWORD dwFlags,
OUT DWORD *pdwProvType,
OUT LPWSTR pwszProvName,
IN OUT DWORD *pcbProvName
)
{
HKEY hRegKey = 0;
HKEY hProvRegKey = 0;
LONG err;
DWORD cbClass;
FILETIME ft;
DWORD dwKeyType;
DWORD cbProvType;
DWORD dw;
DWORD cSubKeys;
DWORD cbMaxKeyName;
DWORD cbMaxClass;
DWORD cValues;
DWORD cbMaxValName;
DWORD cbMaxValData;
LPWSTR pwszTmpProvName = NULL;
DWORD cbTmpProvName;
BOOL fRet = CRYPT_FAILED;
if (NULL != pdwReserved)
{
SetLastError(ERROR_INVALID_PARAMETER);
goto Ret;
}
if (0 != dwFlags)
{
SetLastError((DWORD)NTE_BAD_FLAGS);
goto Ret;
}
if (ERROR_SUCCESS != (err = RegOpenKeyExU(HKEY_LOCAL_MACHINE,
PROVREG,
0L, KEY_READ, &hRegKey)))
{
SetLastError((DWORD) err);
goto Ret;
}
if (ERROR_SUCCESS != (err = RegQueryInfoKey(hRegKey,
NULL,
&cbClass,
NULL,
&cSubKeys,
&cbMaxKeyName,
&cbMaxClass,
&cValues,
&cbMaxValName,
&cbMaxValData,
NULL,
&ft)))
{
SetLastError((DWORD) err);
goto Ret;
}
cbMaxKeyName += sizeof(CHAR);
if (NULL == (pwszTmpProvName = (LPWSTR) _alloca(cbMaxKeyName * sizeof(WCHAR))))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto Ret;
}
if (ERROR_SUCCESS != (err = RegEnumKeyExU(hRegKey, dwIndex, pwszTmpProvName,
&cbMaxKeyName, NULL,
NULL, &cbClass, &ft)))
{
SetLastError((DWORD)err);
goto Ret;
}
if (ERROR_SUCCESS != (err = RegOpenKeyExU(hRegKey,
pwszTmpProvName,
0L, KEY_READ, &hProvRegKey)))
{
SetLastError((DWORD) err);
goto Ret;
}
cbProvType = sizeof(dw);
if (ERROR_SUCCESS != (err = RegQueryValueExU(hProvRegKey,
PROVTYPEREG,
NULL, &dwKeyType, (BYTE*)&dw,
&cbProvType)))
{
SetLastError((DWORD) NTE_PROV_TYPE_ENTRY_BAD);
goto Ret;
}
*pdwProvType = dw;
cbTmpProvName = (wcslen(pwszTmpProvName) + 1) * sizeof(WCHAR);
if (NULL != pwszProvName)
{
if (*pcbProvName < cbTmpProvName)
{
*pcbProvName = cbTmpProvName;
SetLastError(ERROR_MORE_DATA);
goto Ret;
}
wcscpy(pwszProvName, pwszTmpProvName);
}
*pcbProvName = cbTmpProvName;
fRet = CRYPT_SUCCEED;
Ret:
if (hRegKey)
RegCloseKey(hRegKey);
if (hProvRegKey)
RegCloseKey(hProvRegKey);
return fRet;
}
BOOL
WINAPI CryptEnumProvidersU(
IN DWORD dwIndex,
IN DWORD *pdwReserved,
IN DWORD dwFlags,
OUT DWORD *pdwProvType,
OUT LPWSTR pwszProvName,
IN OUT DWORD *pcbProvName
)
{
if(FIsWinNT5() && pfnEnumProvidersW)
return(pfnEnumProvidersW (
dwIndex,
pdwReserved,
dwFlags,
pdwProvType,
pwszProvName,
pcbProvName
));
else
return(CryptEnumProviders9x (
dwIndex,
pdwReserved,
dwFlags,
pdwProvType,
pwszProvName,
pcbProvName
));
}
#endif