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haram/be_fn.hpp

Last active March 2, 2026 11:44
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Revisions

  1. haram revised this gist Sep 1, 2020. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion be_fn.hpp
    View file
    Original file line number Diff line number Diff line change
    @@ -11,7 +11,7 @@ namespace be

    void request_restart( int32_t reason )
    {
    printf( "[BATTLEYE] request restarted with reason 0x%x\n", reason );
    printf( "[BATTLEYE] requested restart with reason 0x%x\n", reason );
    }

    void send_packet( void* packet, int32_t len )
  2. haram created this gist Jun 20, 2020.
    21 changes: 21 additions & 0 deletions be_fn.hpp
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    #pragma once
    #include <stdint.h>
    #include <stdio.h>

    namespace be
    {
    void print_message( const char* msg )
    {
    printf( "[BATTLEYE] %s\n", msg );
    }

    void request_restart( int32_t reason )
    {
    printf( "[BATTLEYE] request restarted with reason 0x%x\n", reason );
    }

    void send_packet( void* packet, int32_t len )
    {
    printf( "[BATTLEYE] called send packet\n" );
    }
    }
    34 changes: 34 additions & 0 deletions be_structs.hpp
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,34 @@
    #pragma once
    #include <stdint.h>

    namespace be
    {
    struct battleye_data_t
    {
    void* pfn_exit;
    void* pfn_run;
    void* pfn_command;
    void* pfn_received_packet;
    void* pfn_on_receive_auth;
    void* pfn_add_peer;
    void* pfn_remove_peer;

    uint8_t* encryption_key;
    int32_t encryption_len;

    void* pfn_encrypt_packet;
    void* pfn_decrypt_packet;
    };

    struct game_data_t
    {
    const char* game_version;
    uint32_t ip_address;
    uint16_t ip_port;

    void ( *pfn_print_msg )( const char* );
    void ( *pfn_request_restart )( int );
    void ( *pfn_send_packet )( void*, int );
    void ( *pfn_disconnect_peer )( void*, int, const char* );
    };
    }
    36 changes: 36 additions & 0 deletions main.cpp
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,36 @@
    #include <windows.h>
    #include <iostream>

    #include "be_structs.hpp"
    #include "be_fn.hpp"

    int main( )
    {
    const auto lib = LoadLibraryA( "BEClient_x64.dll" );
    const auto init_fn = ( bool( * )( int32_t, be::game_data_t*, be::battleye_data_t* ) )( GetProcAddress( lib, "Init" ) );

    be::battleye_data_t be_data{};
    be::game_data_t game_data{};

    game_data.game_version = "Escape from Tarkov 0.12.6.7865";
    game_data.ip_address = 0;
    game_data.ip_port = 0;

    game_data.pfn_print_msg = &be::print_message;
    game_data.pfn_send_packet = &be::send_packet;
    game_data.pfn_request_restart = &be::request_restart;
    game_data.pfn_disconnect_peer = nullptr;

    uint8_t* encryption_key = ( uint8_t* )( malloc( 256 ) );

    be_data.encryption_key = encryption_key;
    be_data.encryption_len = 256;

    init_fn( 4, &game_data, &be_data );

    printf( "[BATTLEYE] pfnDecryptServerPacket : 0x%p\n", ( char* )( be_data.pfn_decrypt_packet ) - ( char* )( lib ) );

    free( encryption_key );

    std::cin.ignore( );
    }