Конфигурация по умолчанию в exe файле, ее изменение и сохранение в ресурсе типа RT_RCDATA, всё официальными функциями BeginUpdateResource, UpdateResource, EndUpdateResource, без хакерства.
path = GetCommandLine();
path = path.Mid(1); // убираем "
path = path.Left(path.ReverseFind('\\'));
path += L"\\server.exe";
try {
// проверяем наличие экзешника, в моем случае должен лежать в одном каталоге с патчилкой
CFileException* e = new CFileException();
CFile cfile;
if (!cfile.Open(path, CFile::modeReadWrite, e))
{
throw e;
}
cfile.Close();
LPBYTE bomPos = 0;
// загрузка ресурса
HMODULE hLibrary = 0;
HRSRC hResource = 0;
HGLOBAL hResourceLoaded = 0;
DWORD resourceSize = 0;
LPBYTE lpBuffer = 0;
hLibrary = LoadLibrary(path);
if (NULL != hLibrary)
{
hResource = FindResource(hLibrary, MAKEINTRESOURCE(paramsResId), RT_RCDATA); // !!! paramsResId == 139 ИД ресурса в экзешнике
if (NULL != hResource)
{
hResourceLoaded = LoadResource(hLibrary, hResource);
resourceSize = SizeofResource(hLibrary, hResource);
if (NULL != hResourceLoaded)
{
lpBuffer = (LPBYTE)LockResource(hResourceLoaded);
bomPos = new BYTE[resourceSize];
memcpy_s(bomPos, resourceSize, lpBuffer, resourceSize);
}
}
FreeLibrary(hLibrary);
}
if (bomPos == 0) {
AfxThrowArchiveException(CArchiveException::endOfFile, _T("signature"));
}
// попытка загрузить ранее записанные параметры
int sizeOfParams = (int)*(bomPos + bomSize);
if (sizeOfParams > 0 && sizeOfParams < 800) {
BYTE kk[] = { 'q', 10, 'e', 7, 'a', 'z', 'Q' };
encryptDecrypt((BYTE*)(bomPos + bomSize + sizeof(0)), sizeOfParams, kk, sizeof(kk));
int realLength = wcslen((TCHAR*)(bomPos + bomSize + sizeof(0)));
TCHAR* decryptData = (TCHAR*)(bomPos + bomSize + sizeof(0));
if (realLength > 2 && decryptData[0] == _T('Z') && decryptData[1] == _T('A')) { // проверяем на ZA, значит всё раскодировалось
decryptData += 2; // пропустим ZA
TCHAR* s_ssh_host = 0, *s_ssh_port = 0, *s_ssh_user = 0, *s_ssh_pwd = 0, *s_ssh_add = 0;
s_ssh_host = decryptData;
s_ssh_port = _tcschr(s_ssh_host, _T('\t')) + 1;
if (s_ssh_port)
s_ssh_user = _tcschr(s_ssh_port, _T('\t')) + 1;
if (s_ssh_user)
s_ssh_pwd = _tcschr(s_ssh_user, _T('\t')) + 1;
if (s_ssh_pwd)
s_ssh_add = _tcschr(s_ssh_pwd, _T('\t')) + 1;
if (s_ssh_port)
*(s_ssh_port - 1) = 0;
if (s_ssh_user)
*(s_ssh_user - 1) = 0;
if (s_ssh_pwd)
*(s_ssh_pwd - 1) = 0;
if (s_ssh_add)
*(s_ssh_add - 1) = 0;
//
}
}
delete[] bomPos;
CString s_ssh_host;
ssh_host.GetWindowText(s_ssh_host);
CString s_ssh_port;
ssh_port.GetWindowText(s_ssh_port);
CString s_ssh_user;
ssh_user.GetWindowText(s_ssh_user);
CString s_ssh_pwd;
ssh_pwd.GetWindowText(s_ssh_pwd);
CString s_ssh_add;
ssh_add.GetWindowText(s_ssh_add);
CString s_full;
s_full.Format(_T("ZA%s\t%s\t%s\t%s\t%s\0"), s_ssh_host.GetBuffer(), s_ssh_port.GetBuffer(), s_ssh_user.GetBuffer(), s_ssh_pwd.GetBuffer(), s_ssh_add.GetBuffer());
HANDLE hResource;
hResource = BeginUpdateResource(path, FALSE);
if (NULL != hResource)
{
int sizeOfParams = (s_full.GetLength() + 1) * sizeof(_T('\0'));
if (sizeOfParams > 700) {
::AfxMessageBox(_T("Only 700 bytes allowed for writing."));
FreeResource(hResource);
return;
}
LPBYTE lpBuffer = new BYTE[bomSize + sizeof(0) + sizeOfParams];
memcpy(lpBuffer, bom, bomSize);
memcpy(lpBuffer + bomSize, &sizeOfParams, sizeof(0));
memcpy(lpBuffer + bomSize + sizeof(0), (BYTE*)s_full.GetBuffer(), sizeOfParams);
BYTE kk[] = { 'q', 10, 'e', 7, 'a', 'z', 'Q' };
encryptDecrypt(lpBuffer + bomSize + sizeof(0), sizeOfParams, kk, sizeof(kk));
if (UpdateResource(hResource,
RT_RCDATA,
MAKEINTRESOURCE(paramsResId),
0,
(LPVOID)lpBuffer,
bomSize + sizeof(0) + sizeOfParams) != FALSE)
{
EndUpdateResource(hResource, FALSE);
}
delete[] lpBuffer;
}
