diff options
Diffstat (limited to 'gmod/pattern.hpp')
| -rw-r--r-- | gmod/pattern.hpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/gmod/pattern.hpp b/gmod/pattern.hpp deleted file mode 100644 index 0bc4b1b..0000000 --- a/gmod/pattern.hpp +++ /dev/null @@ -1,68 +0,0 @@ -#pragma once
-
-#include <Windows.h>
-#include <stdio.h>
-#include <Psapi.h>
-#include <vector>
-#include <iostream>
-#include <string>
-#include <sstream>
-#include <algorithm>
-#include <iterator>
-
-#pragma warning ( disable : 4018 )
-
-namespace pattern
-{
- inline bool bin_match( uint8_t* code, uint8_t* pattern, size_t size ) {
- for( size_t j = 0; j < size; j++ ) {
- if( pattern[ j ] && code[ j ] != pattern[ j ] ) {
- return false;
- }
- }
- return true;
- }
-
- template< typename t = uintptr_t > static t first_match( uintptr_t start, std::string sig, size_t len, std::ptrdiff_t offset = 0 ) {
- std::istringstream iss( sig );
- std::vector< std::string > tokens{ std::istream_iterator< std::string >{ iss }, std::istream_iterator< std::string >{} };
- std::vector< uint8_t > sig_bytes;
-
- for( const auto& hex_byte : tokens ) {
- sig_bytes.push_back( static_cast< uint8_t >( std::strtoul( hex_byte.c_str( ), nullptr, 16 ) ) );
- }
-
- if( sig_bytes.empty( ) || sig_bytes.size( ) < 2 ) {
- return t{ };
- }
-
- auto sig_data = sig_bytes.data( );
- auto sig_size = sig_bytes.size( );
-
- for( size_t i{ }; i < len; i++ ) {
- uint8_t* code_ptr = reinterpret_cast< uint8_t* >( start + i );
-
- if( bin_match( code_ptr, sig_data, sig_size ) ) {
- return( ( t )( start + i + offset ) );
- }
- }
-
- return t{ };
- }
-
- //ultimately the function you want to call to sigscan ( ida style )
- template< typename t = uintptr_t > static t first_code_match( HMODULE start, std::string sig, std::ptrdiff_t offset = 0 ) {
- auto dos_hdr = reinterpret_cast< PIMAGE_DOS_HEADER >( start );
-
- if( !dos_hdr ) return t{ };
-
- //DOS header, verifies if module is valid
- if( dos_hdr->e_magic != 0x5a4d ) {
- return t{ };
- }
-
- auto nt_hdrs = reinterpret_cast< PIMAGE_NT_HEADERS >( reinterpret_cast< uintptr_t >( dos_hdr ) + dos_hdr->e_lfanew );
-
- return first_match< t >( reinterpret_cast< uintptr_t >( dos_hdr ) + nt_hdrs->OptionalHeader.BaseOfCode, sig, nt_hdrs->OptionalHeader.SizeOfCode, offset );
- }
-};
\ No newline at end of file |
