summaryrefslogtreecommitdiff
path: root/client/connect.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'client/connect.hpp')
-rw-r--r--client/connect.hpp282
1 files changed, 0 insertions, 282 deletions
diff --git a/client/connect.hpp b/client/connect.hpp
deleted file mode 100644
index 96bb9c8..0000000
--- a/client/connect.hpp
+++ /dev/null
@@ -1,282 +0,0 @@
-#pragma once
-
-#include <Windows.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fstream>
-
-#pragma comment( lib, "ws2_32.lib" )
-
-#include <vector>
-
-/* TEST */
-#include <Psapi.h>
-#include <TlHelp32.h>
-/* TEST */
-
-#include "err.hpp"
-#include "util.hpp"
-
-/*
-protocol rules:
-every msg must be xored
-first byte is the xorkey
-
-*/
-
-namespace client
-{
- constexpr auto PORT_NUM = 6969;
- constexpr auto BUFFER_SIZE = 255;
-
- class c_connect {
- public:
- c_connect( const char* ip ) :
- m_ip( inet_addr( ip ) ) { }
-
- ~c_connect( ) {
- if( m_socket )
- closesocket( m_socket );
-
- WSACleanup( );
- }
-
- bool setup( ) {
- int code{ };
-
- if( WSAStartup( MAKEWORD( 2, 2 ), &m_wsdata ) )
- code = err::ERR_WSA;
- else {
- m_socket = socket( AF_INET, SOCK_STREAM, 0 );
- if( m_socket == INVALID_SOCKET )
- code = err::ERR_WSA;
- }
-
- if( code != err::ERR_NONE ) {
- MessageBoxA( nullptr, err::translate_err( code ), "", MB_OK );
- return false;
- }
-
- return true;
- }
-
- bool connect( ) {
- sockaddr_in server_address{ };
- int code{ };
-
- server_address.sin_addr.s_addr = m_ip;
- server_address.sin_port = htons( PORT_NUM );
- server_address.sin_family = AF_INET;
-
- code = ::connect( m_socket, ( sockaddr* )( &server_address ),
- sizeof( server_address ) );
-
- if( code == -1 ) {
- MessageBoxA( nullptr, err::translate_err( err::ERR_CONNECT ), "", MB_OK );
- return false;
- }
-
- return true;
- }
-
- void decode_buffer( uint8_t* buf, size_t length ) {
- auto key = buf[ 0 ];
- for( size_t i{ 1 }; i < length; ++i )
- buf[ i ] ^= key;
- }
-
- std::string get_string( ) {
- std::string ret{ };
- char buffer[ BUFFER_SIZE ];
-
-
- while ( true ) {
- int received = recv( m_socket, buffer, BUFFER_SIZE, 0 );
- if ( received < 0 )
- break;
-
- for ( int i{ }; i < received; ++i )
- ret.push_back( buffer[ i ] );
-
- if ( received < BUFFER_SIZE )
- break;
- }
-
- if ( ret.size( ) ) {
- decode_buffer( ( uint8_t* )ret.data( ), ret.size( ) );
- ret.erase( ret.begin( ) );
- }
-
- return ret;
- }
-
- std::vector< uint8_t > get_msg( ) {
- std::vector< uint8_t > ret;
- char buffer[ BUFFER_SIZE ];
- int received = 0;
-
- while( true ) {
- received = recv( m_socket, buffer, BUFFER_SIZE, 0 );
- if( received < 0 )
- break;
-
- for( int i{ }; i < received; ++i )
- ret.push_back( buffer[ i ] );
-
- if( received < BUFFER_SIZE )
- break;
- }
-
- if( ret.size( ) ) {
- decode_buffer( ret.data( ), ret.size( ) );
- ret.erase( ret.begin( ) );
- }
- return ret;
- }
-
- void send_msg( const uint8_t* msg, size_t length ) {
- auto buffer = std::make_unique< uint8_t[ ] >( length + 1 );
- auto key = util::random_number( 0, 255 ) & 0xff;
-
- buffer[ 0 ] = key;
- memcpy( buffer.get( ) + 1,
- msg,
- length );
-
- for( size_t i = 1; i <= length; ++i ) {
- buffer[ i ] ^= key;
- }
-
- int ret = send( m_socket, ( char* )buffer.get( ), length + 1, 0 );
- if ( ret == SOCKET_ERROR ) {
- printf( xors( "error sending message error code: %d" ), WSAGetLastError( ) );
- }
- }
-
- void send_msg( const char* msg ) {
- auto length = strlen( msg );
- auto buffer = std::make_unique< uint8_t[ ] >( length + 1 );
- auto key = util::random_number( 0, 255 ) & 0xff;
-
- buffer[ 0 ] = key;
- memcpy( buffer.get( ) + 1,
- msg,
- length );
-
- for ( size_t i = 1; i <= length; ++i ) {
- buffer[ i ] ^= key;
- }
-
- int ret = send( m_socket, ( char* )buffer.get( ), length + 1, 0 );
- if ( ret == SOCKET_ERROR ) {
- printf( xors( "error sending message error code: %d" ), WSAGetLastError( ) );
- }
- }
-
-
- void send_msg( const char msg ) {
- auto buffer = std::make_unique< uint8_t[ ] >( 2 );
- auto key = util::random_number( 0, 255 ) & 0xff;
-
- buffer[ 0 ] = key;
- buffer[ 1 ] = msg;
- buffer[ 1 ] ^= buffer[ 0 ];
-
- int ret = send( m_socket, ( char* )buffer.get( ), 2, 0 );
- if ( ret == SOCKET_ERROR ) {
- printf( xors( "error sending message error code: %d" ), WSAGetLastError( ) );
- }
- }
-
- void handle( ) {
-
- auto msg = get_string( );
- if ( msg != xors( "hello" ) ) {
- std::cout << "connection failed." << std::endl;
- //return 0;
- }
-
- send_msg( "hello" );
-
- std::string username{ }, password{ };
- std::cout << "Enter your username" << std::endl << "> ";
- std::cin >> username;
-
- send_msg( username.c_str( ) );
- msg = get_string( );
- std::cout <<msg <<std::endl;
- if ( msg != xors( "correct username" ) ) {
- std::cout << "incorrect username" << std::endl;
- //return 0; // remember to close connection on server when bad values were sent.
- }
-
- std::cout << "Enter your password" << std::endl << "> ";
- std::cin >> password;
-
- send_msg( password.c_str( ) );
- if ( get_string( ) != xors( "correct password" ) ) {
- std::cout << "incorrect password";
- //return 0; // remember to close connection on server when bad values were sent.
- }
-
- // Receive list of games,
- msg = get_string( );
- std::cout << msg << std::endl;
-
-
- std::cout << "For what game do you want to inject on?" << std::endl << "> ";
-
- char game_id{ };
- std::cin >> game_id;
-
- send_msg( game_id );
-
- // get process name.
- msg = get_string( );
-
- std::cout << msg << std::endl;
-
- int process_identifier{ };
-
- HANDLE snapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
- if ( snapshot != INVALID_HANDLE_VALUE ) {
- PROCESSENTRY32 entry{ sizeof( PROCESSENTRY32 ) };
-
- if ( Process32First( snapshot, &entry ) ) {
- do {
- if ( msg == entry.szExeFile ) {
- process_identifier = entry.th32ProcessID;
- break;
- }
- } while ( Process32Next( snapshot, &entry ) );
- }
- }
-
- if ( !process_identifier ) {
- std::cout << "Could not find process." << std::endl;
- return;
- }
-
- std::cout << "found" << std::endl;
- send_msg( "found" );
-
- auto file = get_msg( );
- auto file_data = file.data( );
- auto file_size = file.size( );
-
- auto save_file = std::ofstream( "gmod.txt", std::ofstream::binary );
- if ( save_file.is_open( ) ) {
- save_file.write( ( const char* )file_data, file_size );
- save_file.close( );
- }
-
-
- }
-
- private:
- SOCKET m_socket;
- WSADATA m_wsdata;
- int m_ip;
- };
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-17 18:00:40 +0000