218 lines
6.3 KiB
C
218 lines
6.3 KiB
C
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#undef UNICODE // ## Not Yet
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <windows.h>
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#include <wincrypt.h>
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#define MS_DSS_TYPE "DSS Signature"
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#define MS_DH_TYPE "DSS Signature with Diffie-Hellman Key Exachange"
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#define PROVPATH "SOFTWARE\\Microsoft\\Cryptography\\Defaults\\Provider\\"
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#define PROVPATH_LEN sizeof(PROVPATH)
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#define TYPEPATH "SOFTWARE\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type "
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#define TYPEPATH_LEN sizeof(TYPEPATH)
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#define IMAGEPATH "dssbase.dll"
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#define IMAGEPATH_LEN sizeof(IMAGEPATH)
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BOOL SetCSPInfo(
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LPSTR pszProvider,
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LPSTR pszImagePath,
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BYTE *pbSig,
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DWORD cbSig,
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DWORD dwProvType,
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LPSTR pszTypeName
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)
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{
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DWORD dwIgn;
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HKEY hKey = 0;
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HKEY hTypeKey = 0;
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DWORD cbProv;
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BYTE *pszProv = NULL;
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CHAR pszTypeString[32];
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DWORD cbType;
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BYTE *pszType = NULL;
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DWORD err;
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BOOL fRet = FALSE;
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cbProv = PROVPATH_LEN + strlen(pszProvider);
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if (NULL == (pszProv = (LPSTR)LocalAlloc(LMEM_ZEROINIT, cbProv)))
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goto Ret;
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strcpy(pszProv, PROVPATH);
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strcat(pszProv, pszProvider);
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//
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// Create or open in local machine for provider:
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// Microsoft Base Cryptographic Provider v1.0
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//
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if (ERROR_SUCCESS != (err = RegCreateKeyEx(HKEY_LOCAL_MACHINE,
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(const char *)pszProv,
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0L, "", REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL, &hKey,
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&dwIgn)))
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goto Ret;
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//
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// Set Image path to: scp.dll
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//
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if (ERROR_SUCCESS != (err = RegSetValueEx(hKey, "Image Path", 0L, REG_SZ,
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pszImagePath,
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strlen(pszImagePath) + 1)))
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goto Ret;
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//
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// Set Type to: Type 003
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//
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if (ERROR_SUCCESS != (err = RegSetValueEx(hKey, "Type", 0L, REG_DWORD,
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(LPTSTR)&dwProvType,
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sizeof(DWORD))))
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goto Ret;
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//
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// Place signature
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//
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if (ERROR_SUCCESS != (err = RegSetValueEx(hKey, "Signature", 0L,
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REG_BINARY, pbSig, cbSig)))
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goto Ret;
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//
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// Create or open in local machine for provider type:
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//
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memset(pszTypeString, 0, sizeof(pszTypeString));
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sprintf(pszTypeString, "%.3d", dwProvType);
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cbType = TYPEPATH_LEN + strlen(pszTypeString);
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if (NULL == (pszType = (LPSTR)LocalAlloc(LMEM_ZEROINIT, cbType)))
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goto Ret;
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strcpy(pszType, TYPEPATH);
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strcat(pszType, pszTypeString);
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if (ERROR_SUCCESS != (err = RegCreateKeyEx(HKEY_LOCAL_MACHINE,
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(const char *) pszType,
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0L, "", REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL, &hTypeKey,
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&dwIgn)))
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goto Ret;
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if (ERROR_SUCCESS != (err = RegSetValueEx(hTypeKey, "Name", 0L,
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REG_SZ, pszProvider,
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strlen(pszProvider) + 1)))
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goto Ret;
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if (ERROR_SUCCESS != (err = RegSetValueEx(hTypeKey, "TypeName", 0L,
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REG_SZ, pszTypeName,
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strlen(pszTypeName) + 1)))
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goto Ret;
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fRet = TRUE;
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Ret:
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if (hKey)
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RegCloseKey(hKey);
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if (hTypeKey)
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RegCloseKey(hTypeKey);
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if (pszProv)
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LocalFree(pszProv);
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if (pszType)
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LocalFree(pszType);
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return fRet;
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}
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int __cdecl main(int cArg, char *rgszArg[])
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{
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DWORD err;
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DWORD dwValue;
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HANDLE hFileSig = INVALID_HANDLE_VALUE;
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DWORD NumBytesRead;
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DWORD lpdwFileSizeHigh;
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LPVOID lpvAddress = NULL;
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DWORD NumBytes;
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BOOL fRet = FALSE;
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//
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// Just to open scp.dll signature file. This file was created by
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// sign.exe.
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//
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if (INVALID_HANDLE_VALUE == (hFileSig = CreateFile("dssbase.sig",
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GENERIC_READ, 0, NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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0)))
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{
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printf("Install failed: Unable to open dssbase.sig: %x\n", GetLastError());
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goto Ret;
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}
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if ((NumBytes = GetFileSize((HANDLE) hFileSig, &lpdwFileSizeHigh)) ==
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0xffffffff)
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{
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printf("Install failed: Getting size of file dssbase.sig: %x\n", GetLastError());
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goto Ret;
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}
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if ((lpvAddress = VirtualAlloc(NULL, NumBytes, MEM_RESERVE |
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MEM_COMMIT,
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PAGE_READWRITE)) == NULL)
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{
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printf("Install failed: Alloc to read dssbase.sig: %x\n", GetLastError());
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goto Ret;
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}
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if (!ReadFile((HANDLE) hFileSig, lpvAddress, NumBytes,
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&NumBytesRead, 0))
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{
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printf("Install failed: Reading dssbase.sig: %x\n", GetLastError());
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goto Ret;
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}
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if (NumBytesRead != NumBytes)
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{
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printf("Install failed: Bytes read doesn't match file size\n");
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goto Ret;
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}
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//
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// install the default DSS provider
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// Type 003
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//
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if (!SetCSPInfo(MS_DEF_DSS_PROV,
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IMAGEPATH,
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lpvAddress,
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NumBytesRead,
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PROV_DSS,
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MS_DSS_TYPE))
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{
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printf("Unable to install dssbase.dll");
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goto Ret;
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}
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//
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// install the default DSS/DH provider
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// Type 013
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//
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if (!SetCSPInfo(MS_DEF_DSS_DH_PROV,
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IMAGEPATH,
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lpvAddress,
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NumBytesRead,
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PROV_DSS_DH,
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MS_DH_TYPE))
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{
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printf("Unable to install dssbase.dll");
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goto Ret;
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}
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printf("Installed: %s\n", IMAGEPATH);
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fRet = TRUE;
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Ret:
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if (lpvAddress)
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VirtualFree(lpvAddress, 0, MEM_RELEASE);
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if (INVALID_HANDLE_VALUE != hFileSig)
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CloseHandle(hFileSig);
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return fRet;
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}
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