Blackshot Launcher[Includes Source]

//Custom Blackshot Online Game Launcher made by ntoskrnl. 3/6/11

#include <windows.h>
#include <winsock.h>
#pragma comment(lib, "ws2_32")
#include <stdio.h>

struct AuthInfo
{
	unsigned int num;
	wchar_t auth[12];
};

bool GetAuth(AuthInfo* ai, wchar_t* username, wchar_t* password)
{
	WSAData wsa;
	SOCKET s;
	sockaddr_in addr;
	char buf[256];
	int len;
	int index;
	
	if(WSAStartup(MAKEWORD(2,2), &wsa) != 0)
	{
		return 0;
	}

	s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

	if(s == INVALID_SOCKET)
	{
		WSACleanup();
		return 0;
	}

	addr.sin_addr.S_un.S_addr = inet_addr("217.113.36.25");
	addr.sin_port = htons(12110);
	addr.sin_family = AF_INET;

	if(connect(s, (sockaddr*)&addr, sizeof(addr)) != 0)
	{
		closesocket(s);
		WSACleanup();
		return 0;
	}

	memcpy(buf, "\x64\x00", 2);
	len = wcslen(username);
	memcpy(buf+2, &len, 4);
	len *= 2;
	memcpy(buf+6, username, len);
	index = 6 + len;
	len = wcslen(password);
	memcpy(buf+index, &len, 4);
	len *= 2;
	memcpy(buf+index+4, password, len);
	index += len + 4;
	memcpy(buf+index, "\x01\x00\x00\x00", 4);
	index += 4;

	if(!send(s, "\x2c\x00\x00\x00", 4, 0))
	{
		closesocket(s);
		WSACleanup();
		return 0;
	}

	if(!send(s, buf, index, 0))
	{
		closesocket(s);
		WSACleanup();
		return 0;
	}

	if(!recv(s, buf, 256, 0))
	{
		closesocket(s);
		WSACleanup();
		return 0;
	}
	memset(ai->auth, 0, 12*2);
	memcpy(&ai->num, buf+8, 4);
	memcpy(&len, buf+12, 4);
	memcpy(ai->auth, buf+16, len*2);

	closesocket(s);
	WSACleanup();
	return 1;
}

int main()
{
	AuthInfo ai;
	wchar_t args[256], dir[256], path[256], username[18], password[18];

	GetCurrentDirectoryW(256, dir);
	wcscat_s(dir, 256, L"\\BlackshotGameLauncher.ini");
	GetPrivateProfileStringW(L"info", L"username", NULL, username, 18, dir);
	GetPrivateProfileStringW(L"info", L"password", NULL, password, 18, dir);
	GetPrivateProfileStringW(L"info", L"path", L"C:\\Program Files\\BlackShot\\BlackShot\\system", path, 256, dir);

	if(GetAuth(&ai, username, password) == 0)
	{
		printf("Error Retrieving Authentication Info\n");
		return 2;
	}

	memset(args, 0, 512);
	swprintf(args, 512, L"\"%ls\\blackshot.exe\" -id %ls -num %u -auth %ls -server 217.113.38.166 -Nation 1 -Language 0", path, username, ai.num, ai.auth);

	STARTUPINFO si;
	PROCESS_INFORMATION pi;
	memset(&pi, 0, sizeof(pi));
	memset(&si, 0, sizeof(si));

	if(CreateProcess(NULL, args, NULL, NULL, FALSE, 0, NULL, path, &si, &pi) == 0)
	{
		printf("Error Creating Process: %d\n", GetLastError());
		return 1;
	}
	CloseHandle(pi.hProcess);
	CloseHandle(pi.hThread);
	return 0;
}