122 lines
5.3 KiB
C++
122 lines
5.3 KiB
C++
/*************************************************************************/
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/* Copyright (c) 2015 dx, http://kaimi.ru */
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/* */
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/* Permission is hereby granted, free of charge, to any person */
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/* obtaining a copy of this software and associated documentation */
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/* files (the "Software"), to deal in the Software without */
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/* restriction, including without limitation the rights to use, */
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/* copy, modify, merge, publish, distribute, sublicense, and/or */
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/* sell copies of the Software, and to permit persons to whom the */
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/* Software is furnished to do so, subject to the following conditions: */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#pragma once
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#include <memory>
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#include <istream>
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#include "pe_base.h"
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#include "pe_directory.h"
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namespace pe_bliss
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{
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//Class representing TLS info
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//We use "DWORD" type to represent RVAs, because RVA is
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//always 32bit even in PE+
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class tls_info
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{
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public:
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typedef std::vector<uint32_t> tls_callback_list;
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public:
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//Default constructor
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tls_info();
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//Returns start RVA of TLS raw data
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uint32_t get_raw_data_start_rva() const;
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//Returns end RVA of TLS raw data
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uint32_t get_raw_data_end_rva() const;
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//Returns TLS index RVA
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uint32_t get_index_rva() const;
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//Returns TLS callbacks RVA
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uint32_t get_callbacks_rva() const;
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//Returns size of zero fill
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uint32_t get_size_of_zero_fill() const;
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//Returns characteristics
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uint32_t get_characteristics() const;
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//Returns raw TLS data
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const std::string& get_raw_data() const;
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//Returns TLS callbacks addresses
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const tls_callback_list& get_tls_callbacks() const;
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public: //These functions do not change everything inside image, they are used by PE class
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//You can also use them to rebuild TLS directory
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//Sets start RVA of TLS raw data
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void set_raw_data_start_rva(uint32_t rva);
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//Sets end RVA of TLS raw data
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void set_raw_data_end_rva(uint32_t rva);
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//Sets TLS index RVA
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void set_index_rva(uint32_t rva);
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//Sets TLS callbacks RVA
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void set_callbacks_rva(uint32_t rva);
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//Sets size of zero fill
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void set_size_of_zero_fill(uint32_t size);
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//Sets characteristics
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void set_characteristics(uint32_t characteristics);
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//Sets raw TLS data
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void set_raw_data(const std::string& data);
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//Returns TLS callbacks addresses
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tls_callback_list& get_tls_callbacks();
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//Adds TLS callback
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void add_tls_callback(uint32_t rva);
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//Clears TLS callbacks list
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void clear_tls_callbacks();
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//Recalculates end address of raw TLS data
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void recalc_raw_data_end_rva();
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private:
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uint32_t start_rva_, end_rva_, index_rva_, callbacks_rva_;
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uint32_t size_of_zero_fill_, characteristics_;
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//Raw TLS data
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std::string raw_data_;
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//TLS callback RVAs
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tls_callback_list callbacks_;
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};
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//Represents type of expanding of TLS section containing raw data
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//(Works only if you are writing TLS raw data to tls_section and it is the last one in the PE image on the moment of TLS rebuild)
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enum tls_data_expand_type
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{
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tls_data_expand_raw, //If there is not enough raw space for raw TLS data, it can be expanded
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tls_data_expand_virtual //If there is not enough virtual place for raw TLS data, it can be expanded
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};
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//Get TLS info
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//If image does not have TLS, throws an exception
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const tls_info get_tls_info(const pe_base& pe);
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template<typename PEClassType>
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const tls_info get_tls_info_base(const pe_base& pe);
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//Rebuilder of TLS structures
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//If write_tls_callbacks = true, TLS callbacks VAs will be written to their place
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//If write_tls_data = true, TLS data will be written to its place
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//If you have chosen to rewrite raw data, only (EndAddressOfRawData - StartAddressOfRawData) bytes will be written, not the full length of string
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//representing raw data content
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//auto_strip_last_section - if true and TLS are placed in the last section, it will be automatically stripped
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const image_directory rebuild_tls(pe_base& pe, const tls_info& info, section& tls_section, uint32_t offset_from_section_start = 0, bool write_tls_callbacks = true, bool write_tls_data = true, tls_data_expand_type expand = tls_data_expand_raw, bool save_to_pe_header = true, bool auto_strip_last_section = true);
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template<typename PEClassType>
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const image_directory rebuild_tls_base(pe_base& pe, const tls_info& info, section& tls_section, uint32_t offset_from_section_start = 0, bool write_tls_callbacks = true, bool write_tls_data = true, tls_data_expand_type expand = tls_data_expand_raw, bool save_to_pe_header = true, bool auto_strip_last_section = true);
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}
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