_xeroxz
4 years ago
parent
0e8d76b564
commit
062fdd49bd
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Subproject commit 09b6654be0c52bf1df44e88c88b411a67b624cbd
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@ -1,54 +0,0 @@
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#include <coff/archive.hpp>
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#include <coff/image.hpp>
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#include <theo/obf_pass.hpp>
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namespace theo
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{
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class engine_t
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{
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class swapchain_t
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{
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std::vector< std::uint8_t > front, back;
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std::vector< std::vector< std::uint8_t > > objs;
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public:
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class iff_t
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{
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/// <summary>
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/// swapchain_t is the only one who needs to call iff_t::flush...
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/// so its a friend class... flush is also private...
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/// </summary>
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friend class swapchain_t;
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public:
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struct section_t
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{
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coff::section_header_t header;
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std::vector< std::pair< std::uint32_t, coff::symbol_t > > symbols;
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};
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explicit iff_t( coff::image_t *img );
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std::vector< section_t > sections;
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private:
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/// <summary>
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/// flush changes from "sections" back to img...
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/// </summary>
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void flush();
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coff::image_t *img;
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};
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explicit swapchain_t( const std::vector< std::uint8_t > &img );
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std::shared_ptr< swapchain_t > make( const std::vector< std::uint8_t > &img );
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void swap( std::vector< iff_t > &iffs );
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};
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public:
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explicit engine_t( const std::vector< std::uint8_t > &lib_img );
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void add_pass( const obf_pass_t &pass );
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void run( std::vector< std::uint8_t > &result );
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private:
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swapchain_t swap;
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std::vector< theo::obf_pass_t > passes;
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};
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} // namespace theo
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@ -0,0 +1,22 @@
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#pragma once
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#include <coff/archive.hpp>
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#include <coff/image.hpp>
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#include <theo/engine/iff.hpp>
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#include <theo/engine/swapchain.hpp>
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#include <theo/obf_pass/obf_pass.hpp>
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namespace theo
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{
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class engine_t
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{
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public:
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explicit engine_t( const std::vector< std::uint8_t > &lib_img );
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engine_t &add_pass( const obf_pass_t &pass );
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engine_t &add_passes( const std::vector< obf_pass_t > &passes );
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void run( std::vector< std::uint8_t > &result );
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private:
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std::shared_ptr< theo::swapchain_t > swapchain;
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std::vector< theo::obf_pass_t > obf_passes;
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};
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} // namespace theo
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#pragma once
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#include <coff/image.hpp>
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#include <vector>
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#include <xtils.hpp>
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namespace theo
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{
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class iff_t
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{
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/// <summary>
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/// swapchain_t is the only one who needs to call iff_t::flush...
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/// so its a friend class... flush is also private...
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/// </summary>
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friend class swapchain_t;
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public:
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struct section_t
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{
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coff::section_header_t header;
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std::vector< std::pair< std::uint32_t, coff::symbol_t > > symbols;
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};
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explicit iff_t( coff::image_t *img );
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std::vector< section_t > sections;
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private:
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/// <summary>
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/// flush changes from "sections" back to img...
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/// </summary>
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void flush();
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coff::image_t *img;
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};
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} // namespace theo
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#pragma once
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#include <coff/archive.hpp>
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#include <coff/image.hpp>
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#include <theo/engine/iff.hpp>
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#include <xtils.hpp>
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namespace theo
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{
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class swapchain_t
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{
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/// <summary>
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/// pair of front and back buffers...
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/// changes are flushed to the back buffer, then the front
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/// buffer gets overwritten by the back buffer when swapped...
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/// </summary>
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struct pair_t
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{
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std::vector< std::uint8_t > front, back;
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};
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std::vector< pair_t > objs;
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std::vector< std::uint8_t > archive;
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public:
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explicit swapchain_t( const std::vector< std::uint8_t > &img );
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static std::shared_ptr< swapchain_t > make( const std::vector< std::uint8_t > &img );
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/// <summary>
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/// if theo::swapchain::swap takes in an empty vector then it will simply fill it up
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/// instead of flushing the iff data to the back buffer then swapping...
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/// </summary>
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/// <param name="iffs"></param>
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void swap( std::vector< iff_t > &iffs );
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};
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} // namespace theo
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@ -1,23 +0,0 @@
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#include <xtils.hpp>
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#include <theo/symbol.hpp>
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namespace theo
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{
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class obf_pass_t
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{
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friend class engine_t;
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public:
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enum class lvl_t
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{
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l_section,
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l_function,
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l_instr
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};
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obf_pass_t( const lvl_t &pass_lvl );
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private:
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virtual void callback() = 0;
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lvl_t lvl;
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};
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} // namespace theo
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#pragma once
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#include <theo/symbol.hpp>
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#include <xtils.hpp>
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namespace theo
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{
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enum class lvl_t
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{
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/// <summary>
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/// callback gets passed entire IFF structures...
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/// </summary>
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l_iff,
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/// <summary>
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/// callback gets passed entire IFF section structures...
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/// </summary>
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l_section,
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/// <summary>
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/// callback gets passed entire IFF symbols...
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/// </summary>
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l_symbol
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};
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class obf_pass_t
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{
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friend class engine_t;
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virtual void obfuscate( const theo::iff_t & ) = 0;
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lvl_t lvl;
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public:
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explicit obf_pass_t( const lvl_t &pass_lvl );
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lvl_t get_lvl() const;
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};
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} // namespace theo
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#pragma once
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#include <theo/engine/engine.hpp>
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#include <theo/obf_pass/obf_pass.hpp>
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#include <theo/symbol.hpp>
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namespace theo
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{
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/// <summary>
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/// obfuscation pass at the IFF level...
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/// </summary>
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class obf_pass_iff_t : public obf_pass_t
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{
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void obfuscate( const theo::iff_t & ) override;
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public:
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obf_pass_iff_t() : obf_pass_t( lvl_t::l_iff )
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{
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}
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};
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/// <summary>
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/// obfuscation pass at the IFF section level...
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/// </summary>
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class obf_pass_section_t : public obf_pass_t
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{
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void obfuscate( const theo::iff_t & ) override;
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public:
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obf_pass_section_t() : obf_pass_t( lvl_t::l_section )
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{
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}
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};
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/// <summary>
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/// obfuscation pass at the IFF symbol level..
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/// </summary>
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class obf_pass_symbol_t : public obf_pass_t
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{
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void obfuscate( const theo::iff_t & ) override;
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public:
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obf_pass_symbol_t() : obf_pass_t( lvl_t::l_symbol )
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{
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}
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};
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} // namespace theo
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@ -1,10 +1,27 @@
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#pragma once
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#include <coff/image.hpp>
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#include <xtils.hpp>
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namespace llo
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#define XED_DECODER
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extern "C"
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{
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class symbol_t
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#include <xed-decode.h>
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}
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namespace theo
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{
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class symbol_t
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{
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public:
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std::uint32_t symbol_table_idx;
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coff::symbol_t coff_symbol;
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std::vector< symbol_t * > deps;
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std::vector< xed_decoded_inst_t > instrs;
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void on_update();
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public:
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symbol_t();
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void add_dep( const symbol_t &dep );
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};
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}
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} // namespace theo
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#pragma once
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#include <theo/engine/engine.hpp>
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#include <theo/obf_pass/obf_pass_wrapper.hpp>
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#include <theo/symbol.hpp>
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@ -0,0 +1,33 @@
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#include <theo/engine/engine.hpp>
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namespace theo
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{
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engine_t::engine_t( const std::vector< std::uint8_t > &lib_img ) : swapchain( theo::swapchain_t::make( lib_img ) )
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{
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}
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engine_t &theo::engine_t::add_pass( const obf_pass_t &pass )
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{
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obf_passes.push_back( pass );
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return *this;
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}
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engine_t &theo::engine_t::add_passes( const std::vector< obf_pass_t > &passes )
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{
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obf_passes.insert( obf_passes.end(), passes.begin(), passes.end() );
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return *this;
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}
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void theo::engine_t::run( std::vector< std::uint8_t > &result )
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{
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std::for_each( obf_passes.begin(), obf_passes.end(), [ & ]( theo::obf_pass_t &obf_pass ) {
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std::vector< theo::iff_t > iffs;
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swapchain->swap( iffs );
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std::for_each( iffs.begin(), iffs.end(), [ & ]( const theo::iff_t &iff ) {
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obf_pass.obfuscate( iff );
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swapchain->swap( iffs );
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} );
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} );
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}
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} // namespace theo
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@ -0,0 +1,35 @@
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#include <theo/engine/swapchain.hpp>
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namespace theo
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{
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swapchain_t::swapchain_t( const std::vector< std::uint8_t > &img ) : archive( img )
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{
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ar::view lib( archive.data(), archive.size() );
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// extract obj files from lib archive...
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std::for_each( lib.begin(), lib.end(), [ & ]( const auto &coff_data ) {
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const auto &[ coff_name, coff_img ] = coff_data;
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objs.push_back( { { coff_img.begin(), coff_img.end() }, { coff_img.begin(), coff_img.end() } } );
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} );
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}
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std::shared_ptr< theo::swapchain_t > swapchain_t::make( const std::vector< std::uint8_t > &img )
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{
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return std::make_shared< theo::swapchain_t >( img );
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}
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void theo::swapchain_t::swap( std::vector< iff_t > &iffs )
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{
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if ( iffs.empty() )
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{
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for ( auto &[ front, back ] : objs )
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{
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theo::iff_t iff( reinterpret_cast< coff::image_t * >( front.data() ) );
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iffs.push_back( iff );
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}
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}
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else
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{
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// TODO flush results to the back buffer and swap front and back...
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}
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}
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} // namespace theo
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