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Diffstat (limited to 'tools/pe_bliss/pe_tls.h')
-rw-r--r-- | tools/pe_bliss/pe_tls.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tools/pe_bliss/pe_tls.h b/tools/pe_bliss/pe_tls.h new file mode 100644 index 0000000000..316e208147 --- /dev/null +++ b/tools/pe_bliss/pe_tls.h @@ -0,0 +1,122 @@ +/*************************************************************************/ +/* Copyright (c) 2015 dx, http://kaimi.ru */ +/* */ +/* Permission is hereby granted, free of charge, to any person */ +/* obtaining a copy of this software and associated documentation */ +/* files (the "Software"), to deal in the Software without */ +/* restriction, including without limitation the rights to use, */ +/* copy, modify, merge, publish, distribute, sublicense, and/or */ +/* sell copies of the Software, and to permit persons to whom the */ +/* Software is furnished to do so, subject to the following conditions: */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#pragma once +#include <memory> +#include <istream> +#include "pe_base.h" +#include "pe_directory.h" + +namespace pe_bliss +{ +//Class representing TLS info +//We use "DWORD" type to represent RVAs, because RVA is +//always 32bit even in PE+ +class tls_info +{ +public: + typedef std::vector<uint32_t> tls_callback_list; + +public: + //Default constructor + tls_info(); + + //Returns start RVA of TLS raw data + uint32_t get_raw_data_start_rva() const; + //Returns end RVA of TLS raw data + uint32_t get_raw_data_end_rva() const; + //Returns TLS index RVA + uint32_t get_index_rva() const; + //Returns TLS callbacks RVA + uint32_t get_callbacks_rva() const; + //Returns size of zero fill + uint32_t get_size_of_zero_fill() const; + //Returns characteristics + uint32_t get_characteristics() const; + //Returns raw TLS data + const std::string& get_raw_data() const; + //Returns TLS callbacks addresses + const tls_callback_list& get_tls_callbacks() const; + +public: //These functions do not change everything inside image, they are used by PE class + //You can also use them to rebuild TLS directory + + //Sets start RVA of TLS raw data + void set_raw_data_start_rva(uint32_t rva); + //Sets end RVA of TLS raw data + void set_raw_data_end_rva(uint32_t rva); + //Sets TLS index RVA + void set_index_rva(uint32_t rva); + //Sets TLS callbacks RVA + void set_callbacks_rva(uint32_t rva); + //Sets size of zero fill + void set_size_of_zero_fill(uint32_t size); + //Sets characteristics + void set_characteristics(uint32_t characteristics); + //Sets raw TLS data + void set_raw_data(const std::string& data); + //Returns TLS callbacks addresses + tls_callback_list& get_tls_callbacks(); + //Adds TLS callback + void add_tls_callback(uint32_t rva); + //Clears TLS callbacks list + void clear_tls_callbacks(); + //Recalculates end address of raw TLS data + void recalc_raw_data_end_rva(); + +private: + uint32_t start_rva_, end_rva_, index_rva_, callbacks_rva_; + uint32_t size_of_zero_fill_, characteristics_; + + //Raw TLS data + std::string raw_data_; + + //TLS callback RVAs + tls_callback_list callbacks_; +}; + +//Represents type of expanding of TLS section containing raw data +//(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) +enum tls_data_expand_type +{ + tls_data_expand_raw, //If there is not enough raw space for raw TLS data, it can be expanded + tls_data_expand_virtual //If there is not enough virtual place for raw TLS data, it can be expanded +}; + + +//Get TLS info +//If image does not have TLS, throws an exception +const tls_info get_tls_info(const pe_base& pe); + +template<typename PEClassType> +const tls_info get_tls_info_base(const pe_base& pe); + +//Rebuilder of TLS structures +//If write_tls_callbacks = true, TLS callbacks VAs will be written to their place +//If write_tls_data = true, TLS data will be written to its place +//If you have chosen to rewrite raw data, only (EndAddressOfRawData - StartAddressOfRawData) bytes will be written, not the full length of string +//representing raw data content +//auto_strip_last_section - if true and TLS are placed in the last section, it will be automatically stripped +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); + +template<typename PEClassType> +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); +} |