Source code of Windows XP (NT5)
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77 lines
1.7 KiB

#include "StdAfx.h"
#include "GenerateKey.h"
#include <AdmtCrypt.h>
void __stdcall GeneratePasswordKey(LPCTSTR pszDomainName, LPCTSTR pszPassword, LPCTSTR pszFolder)
{
// validate parameters
if ((pszFolder == NULL) || (pszFolder[0] == NULL))
{
ThrowError(E_INVALIDARG);
}
// generate full path to folder
_TCHAR szPath[_MAX_PATH];
LPTSTR pszFilePart;
DWORD cchPath = GetFullPathName(pszFolder, _MAX_PATH, szPath, &pszFilePart);
if ((cchPath == 0) || (cchPath >= _MAX_PATH))
{
ThrowError(HRESULT_FROM_WIN32(GetLastError()), IDS_E_INVALID_FOLDER, pszFolder);
}
// path must be terminated with path separator otherwise
// _tsplitpath will treat last path component as file name
if (szPath[cchPath - 1] != _T('\\'))
{
_tcscat(szPath, _T("\\"));
}
_TCHAR szDrive[_MAX_DRIVE];
_TCHAR szDir[_MAX_DIR];
_tsplitpath(szPath, szDrive, szDir, NULL, NULL);
// verify drive is a local drive
_TCHAR szTestDrive[_MAX_PATH];
_tmakepath(szTestDrive, szDrive, _T("\\"), NULL, NULL);
if (GetDriveType(szTestDrive) == DRIVE_REMOTE)
{
ThrowError(E_INVALIDARG, IDS_E_NOT_LOCAL_DRIVE, pszFolder);
}
// generate random name
static _TCHAR s_chName[] = _T("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
BYTE bRandom[8];
CCryptProvider crypt;
crypt.GenerateRandom(bRandom, 8);
_TCHAR szName[9];
for (int i = 0; i < 8; i++)
{
szName[i] = s_chName[bRandom[i] % (countof(s_chName) - 1)];
}
szName[8] = _T('\0');
// generate path to key file
_TCHAR szKeyFile[_MAX_PATH];
_tmakepath(szKeyFile, szDrive, szDir, szName, _T(".pes"));
// generate key
IPasswordMigrationPtr spPasswordMigration(__uuidof(PasswordMigration));
spPasswordMigration->GenerateKey(pszDomainName, szKeyFile, pszPassword);
}