first

9 files changed, 477 insertions, 0 deletions

diff --git a/server/client.cpp b/server/client.cpp
new file mode 100644
index 0000000..37f20a2
--- /dev/null
+++ b/server/client.cpp
@@ -0,0 +1,66 @@
+#include "client.hpp"
+
+std::vector< byte > server::c_client::receive_message( ) {
+	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.push_back( 0 );
+		ret.erase( ret.begin( ) );
+	}
+
+	return ret;
+}
+
+bool server::c_client::send_message( byte* msg, size_t length ) {
+	auto new_buffer = ( uint8_t* )( malloc( length + 1 ) );
+	auto key = util::random_number( 0, 255 ) & 0xff;
+
+	new_buffer[ 0 ] = key;
+	memcpy( new_buffer + 1,
+		msg,
+		length );
+
+	for( size_t i = 1; i < length + 1; ++i ) {
+		new_buffer[ i ] ^= key;
+	}
+
+	int result = send( m_socket, ( char* )new_buffer, length + 1, 0 );
+	if( result == -1 ) {
+		printf( "error sending message to %s: %d\n",
+			get_ip( ), WSAGetLastError( ) );
+
+		free( new_buffer );
+		return false;
+	}
+
+	free( new_buffer );
+	return true;
+}
+
+bool server::c_client::handle( ) {
+	char msg[ ] = "hello client";
+	if( !send_message( ( byte* )( msg ), sizeof( msg ) ) )
+		return false;
+
+	auto buf = receive_message( );
+	if( buf.size( ) ) {
+		printf( "message received: %s\n", buf.data( ) );
+	}
+
+	return true;
+}
\ No newline at end of file
diff --git a/server/client.hpp b/server/client.hpp
new file mode 100644
index 0000000..a3dcd78
--- /dev/null
+++ b/server/client.hpp
@@ -0,0 +1,58 @@
+#pragma once

+

+#ifdef WIN32

+#include <Windows.h>

+#pragma comment(lib, "ws2_32.lib")

+#else

+#include <unistd.h>

+#include <sys/types.h> 

+#include <sys/socket.h>

+#include <netinet/in.h>

+#include <arpa/inet.h>

+#include <netinet/in.h>

+#endif

+

+#include <cstdio>

+#include <cstdlib>

+#include <string>

+#include <fstream>

+

+#include "util.hpp"

+

+constexpr auto PORT_NUM = 6969;

+constexpr auto BUFFER_SIZE = 255;

+

+namespace server

+{

+	class c_client {

+		SOCKET	  m_socket{ };

+		in_addr	  m_address{ };

+		ulong_t   m_hwid{ };

+

+	public:

+		c_client( SOCKET socket, in_addr& address ) : 

+			m_socket( socket ),

+			m_address( address ) { }

+

+		~c_client( ) {

+			closesocket( m_socket );

+		}

+

+		void decode_buffer( uint8_t* buf, size_t length ) {

+			auto key = buf[ 0 ];

+			for( size_t i{ 1 }; i < length; ++i )

+				buf[ i ] ^= key;

+		}

+

+		auto get_ip( ) {

+			return inet_ntoa( m_address );

+		}

+

+		std::vector< byte > receive_message( );

+		bool send_message( byte* msg, size_t length );

+

+		//handles messages, hwid etc

+		void handle_buffer( byte* msg );

+		virtual bool handle( );

+	};

+}
\ No newline at end of file
diff --git a/server/message.hpp b/server/message.hpp
new file mode 100644
index 0000000..bf67389
--- /dev/null
+++ b/server/message.hpp
@@ -0,0 +1,8 @@
+#pragma once

+

+enum MessageType_t {

+	MSG_HELLO = 'h',

+	MSG_READY = 'r',

+	MSG_BAN = 'q',

+	MSG_IMPORT = 'i'

+};
\ No newline at end of file
diff --git a/server/server.cpp b/server/server.cpp
new file mode 100644
index 0000000..805239c
--- /dev/null
+++ b/server/server.cpp
@@ -0,0 +1,47 @@
+#include "server.hpp"

+

+int server::c_server::init( ) {

+	if( WSAStartup( MAKEWORD( 2, 2 ), &m_sock_data ) )// windows

+		return 1;

+

+	m_socket = socket( AF_INET, SOCK_STREAM, 0 );

+	if( m_socket == INVALID_SOCKET )

+		return 2;

+

+	sockaddr_in server_address{ };

+	server_address.sin_addr.s_addr = INADDR_ANY;

+	server_address.sin_port = htons( PORT_NUM );

+	server_address.sin_family = AF_INET;

+

+	auto result = ::bind( m_socket, ( sockaddr* )( &server_address ), sizeof( server_address ) );

+	return result != -1 ? 0 : 3;

+}

+

+void server::c_server::listen( ) {

+	::listen( m_socket, 5 );

+

+	sockaddr_in client_address{ };

+	client_address.sin_port = htons( PORT_NUM );

+	int len = sizeof( client_address );

+

+	SOCKET result = accept( m_socket, ( sockaddr* )( &client_address ), &len );

+	if( result == INVALID_SOCKET ) {

+		printf( "socket error accepting a connection\n" );

+		return;

+	}

+		

+	printf( "incoming connection from: %s\n", inet_ntoa( client_address.sin_addr ) );

+	m_clients.push_back( std::make_shared< c_client >( result, client_address.sin_addr ) );

+}

+

+void server::c_server::client_loop( ) {

+	if( m_clients.size( ) ) {

+		for( auto it = m_clients.begin( ); it != m_clients.end( ); ++it ) {

+			if( !( *it )->handle( ) ) {

+				printf( "%s disconnected\n", ( *it )->get_ip( ) );

+				m_clients.erase( it );

+				break;

+			}

+		}

+	}

+}
\ No newline at end of file
diff --git a/server/server.hpp b/server/server.hpp
new file mode 100644
index 0000000..8bd017e
--- /dev/null
+++ b/server/server.hpp
@@ -0,0 +1,31 @@
+#pragma once

+#include <vector>

+#include <memory>

+

+#include "client.hpp"

+

+

+//since this will be running on our vps we dont need string encryption or protection for anything

+//which is cool, i guess

+

+namespace server

+{

+	class c_server {

+		std::vector< std::shared_ptr< c_client > > m_clients;

+

+		WSADATA m_sock_data{ };

+		SOCKET	m_socket{ };

+		

+	public:

+		~c_server( ) {

+			if( m_socket )

+				closesocket( m_socket );

+		}

+

+		int init( );

+		void listen( );

+		void client_loop( );

+	};

+}

+

+extern server::c_server g_server;
\ No newline at end of file
diff --git a/server/server.vcxproj b/server/server.vcxproj
new file mode 100644
index 0000000..0070058
--- /dev/null
+++ b/server/server.vcxproj
@@ -0,0 +1,161 @@
+<?xml version="1.0" encoding="utf-8"?>

+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <ItemGroup Label="ProjectConfigurations">

+    <ProjectConfiguration Include="Debug|Win32">

+      <Configuration>Debug</Configuration>

+      <Platform>Win32</Platform>

+    </ProjectConfiguration>

+    <ProjectConfiguration Include="Release|Win32">

+      <Configuration>Release</Configuration>

+      <Platform>Win32</Platform>

+    </ProjectConfiguration>

+    <ProjectConfiguration Include="Debug|x64">

+      <Configuration>Debug</Configuration>

+      <Platform>x64</Platform>

+    </ProjectConfiguration>

+    <ProjectConfiguration Include="Release|x64">

+      <Configuration>Release</Configuration>

+      <Platform>x64</Platform>

+    </ProjectConfiguration>

+  </ItemGroup>

+  <PropertyGroup Label="Globals">

+    <VCProjectVersion>15.0</VCProjectVersion>

+    <ProjectGuid>{F0038E32-6DE8-47B7-BC86-8A2274B24406}</ProjectGuid>

+    <Keyword>Win32Proj</Keyword>

+    <RootNamespace>server</RootNamespace>

+    <WindowsTargetPlatformVersion>10.0.16299.0</WindowsTargetPlatformVersion>

+  </PropertyGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

+    <ConfigurationType>Application</ConfigurationType>

+    <UseDebugLibraries>true</UseDebugLibraries>

+    <PlatformToolset>v141</PlatformToolset>

+    <CharacterSet>Unicode</CharacterSet>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">

+    <ConfigurationType>Application</ConfigurationType>

+    <UseDebugLibraries>false</UseDebugLibraries>

+    <PlatformToolset>v141</PlatformToolset>

+    <WholeProgramOptimization>true</WholeProgramOptimization>

+    <CharacterSet>Unicode</CharacterSet>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">

+    <ConfigurationType>Application</ConfigurationType>

+    <UseDebugLibraries>true</UseDebugLibraries>

+    <PlatformToolset>v141</PlatformToolset>

+    <CharacterSet>Unicode</CharacterSet>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">

+    <ConfigurationType>Application</ConfigurationType>

+    <UseDebugLibraries>false</UseDebugLibraries>

+    <PlatformToolset>v141</PlatformToolset>

+    <WholeProgramOptimization>true</WholeProgramOptimization>

+    <CharacterSet>Unicode</CharacterSet>

+  </PropertyGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />

+  <ImportGroup Label="ExtensionSettings">

+  </ImportGroup>

+  <ImportGroup Label="Shared">

+  </ImportGroup>

+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <PropertyGroup Label="UserMacros" />

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

+    <LinkIncremental>true</LinkIncremental>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

+    <LinkIncremental>true</LinkIncremental>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

+    <LinkIncremental>false</LinkIncremental>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

+    <LinkIncremental>false</LinkIncremental>

+  </PropertyGroup>

+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

+    <ClCompile>

+      <WarningLevel>Level3</WarningLevel>

+      <Optimization>Disabled</Optimization>

+      <SDLCheck>true</SDLCheck>

+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <ConformanceMode>true</ConformanceMode>

+      <LanguageStandard>stdcpp17</LanguageStandard>

+    </ClCompile>

+    <Link>

+      <GenerateDebugInformation>true</GenerateDebugInformation>

+      <SubSystem>Console</SubSystem>

+    </Link>

+  </ItemDefinitionGroup>

+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

+    <ClCompile>

+      <WarningLevel>Level3</WarningLevel>

+      <Optimization>Disabled</Optimization>

+      <SDLCheck>true</SDLCheck>

+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <ConformanceMode>true</ConformanceMode>

+    </ClCompile>

+    <Link>

+      <GenerateDebugInformation>true</GenerateDebugInformation>

+      <SubSystem>Console</SubSystem>

+    </Link>

+  </ItemDefinitionGroup>

+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

+    <ClCompile>

+      <WarningLevel>Level3</WarningLevel>

+      <Optimization>MaxSpeed</Optimization>

+      <FunctionLevelLinking>true</FunctionLevelLinking>

+      <IntrinsicFunctions>true</IntrinsicFunctions>

+      <SDLCheck>true</SDLCheck>

+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <ConformanceMode>true</ConformanceMode>

+      <LanguageStandard>stdcpp17</LanguageStandard>

+    </ClCompile>

+    <Link>

+      <EnableCOMDATFolding>true</EnableCOMDATFolding>

+      <OptimizeReferences>true</OptimizeReferences>

+      <GenerateDebugInformation>true</GenerateDebugInformation>

+      <SubSystem>Console</SubSystem>

+    </Link>

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+      <IntrinsicFunctions>true</IntrinsicFunctions>

+      <SDLCheck>true</SDLCheck>

+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <ConformanceMode>true</ConformanceMode>

+    </ClCompile>

+    <Link>

+      <EnableCOMDATFolding>true</EnableCOMDATFolding>

+      <OptimizeReferences>true</OptimizeReferences>

+      <GenerateDebugInformation>true</GenerateDebugInformation>

+      <SubSystem>Console</SubSystem>

+    </Link>

+  </ItemDefinitionGroup>

+  <ItemGroup>

+    <ClCompile Include="client.cpp" />

+    <ClCompile Include="server.cpp" />

+    <ClCompile Include="server_windows.cpp" />

+  </ItemGroup>

+  <ItemGroup>

+    <ClInclude Include="client.hpp" />

+    <ClInclude Include="message.hpp" />

+    <ClInclude Include="server.hpp" />

+    <ClInclude Include="util.hpp" />

+  </ItemGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

+  <ImportGroup Label="ExtensionTargets">

+  </ImportGroup>

+</Project>
\ No newline at end of file
diff --git a/server/server.vcxproj.filters b/server/server.vcxproj.filters
new file mode 100644
index 0000000..d732209
--- /dev/null
+++ b/server/server.vcxproj.filters
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>

+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <ItemGroup>

+    <Filter Include="Source Files">

+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>

+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>

+    </Filter>

+    <Filter Include="Header Files">

+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>

+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>

+    </Filter>

+    <Filter Include="Resource Files">

+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>

+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>

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+    <ClCompile Include="server_windows.cpp">

+      <Filter>Source Files</Filter>

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+    <ClCompile Include="client.cpp">

+      <Filter>Source Files</Filter>

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+      <Filter>Source Files</Filter>

+    </ClCompile>

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+    <ClInclude Include="server.hpp">

+      <Filter>Source Files</Filter>

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+    <ClInclude Include="client.hpp">

+      <Filter>Source Files</Filter>

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+    <ClInclude Include="util.hpp">

+      <Filter>Source Files</Filter>

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\ No newline at end of file
diff --git a/server/server_windows.cpp b/server/server_windows.cpp
new file mode 100644
index 0000000..a593d1b
--- /dev/null
+++ b/server/server_windows.cpp
@@ -0,0 +1,39 @@
+#ifdef WIN32

+#include <Windows.h>

+#pragma comment(lib, "ws2_32.lib")

+#else

+#include <unistd.h>

+#include <sys/types.h> 

+#include <sys/socket.h>

+#include <netinet/in.h>

+#include <arpa/inet.h>

+#include <netinet/in.h>

+#endif

+

+#include <cstdio>

+#include <cstdlib>

+#include <string>

+#include <fstream>

+#include <thread>

+#include "server.hpp"

+

+server::c_server g_server;

+

+int main( ) {

+	std::thread listen_thread;

+

+	int result = g_server.init( );

+	if( !result ) {

+		listen_thread = std::thread( [ ]( ) { while( 1 ) { g_server.listen( ); } } );

+		listen_thread.detach( );

+

+		while( 1 ) {

+			g_server.client_loop( );

+		}

+	}

+	else

+		printf( "server init error (%d)\n", result );

+

+	system( "pause" );

+	return 0;

+}

diff --git a/server/util.hpp b/server/util.hpp
new file mode 100644
index 0000000..1d408e0
--- /dev/null
+++ b/server/util.hpp
@@ -0,0 +1,25 @@
+#pragma once

+#include <random>

+

+using ulong_t = unsigned long;

+

+namespace util

+{

+	namespace {

+		//make a random generator and seed it with a p random number

+		static std::random_device rd;

+		static std::mt19937 gen( rd( ) );

+	}

+

+	template < typename t >

+	__forceinline t random_number( t min, t max ) {

+		if constexpr( !std::is_integral_v< t > ) {

+			std::uniform_real_distribution< t > dist( min, max );

+			return dist( gen );

+		}

+		else {

+			std::uniform_int_distribution< t > dist( min, max );

+			return dist( gen );

+		}

+	}

+}
\ No newline at end of file