246 lines
8.4 KiB
C++
246 lines
8.4 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 <vector>
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#include <string>
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#include <set>
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#include "pe_structures.h"
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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 resource data entry
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class resource_data_entry
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{
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public:
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//Default constructor
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resource_data_entry();
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//Constructor from data
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resource_data_entry(const std::string& data, uint32_t codepage);
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//Returns resource data codepage
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uint32_t get_codepage() const;
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//Returns resource data
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const std::string& get_data() 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 resource directory
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//Sets resource data codepage
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void set_codepage(uint32_t codepage);
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//Sets resource data
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void set_data(const std::string& data);
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private:
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uint32_t codepage_; //Resource data codepage
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std::string data_; //Resource data
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};
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//Forward declaration
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class resource_directory;
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//Class representing resource directory entry
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class resource_directory_entry
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{
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public:
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//Default constructor
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resource_directory_entry();
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//Copy constructor
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resource_directory_entry(const resource_directory_entry& other);
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//Copy assignment operator
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resource_directory_entry& operator=(const resource_directory_entry& other);
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//Returns entry ID
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uint32_t get_id() const;
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//Returns entry name
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const std::wstring& get_name() const;
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//Returns true, if entry has name
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//Returns false, if entry has ID
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bool is_named() const;
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//Returns true, if entry includes resource_data_entry
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//Returns false, if entry includes resource_directory
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bool includes_data() const;
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//Returns resource_directory if entry includes it, otherwise throws an exception
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const resource_directory& get_resource_directory() const;
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//Returns resource_data_entry if entry includes it, otherwise throws an exception
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const resource_data_entry& get_data_entry() const;
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//Destructor
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~resource_directory_entry();
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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 resource directory
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//Sets entry name
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void set_name(const std::wstring& name);
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//Sets entry ID
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void set_id(uint32_t id);
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//Returns resource_directory if entry includes it, otherwise throws an exception
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resource_directory& get_resource_directory();
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//Returns resource_data_entry if entry includes it, otherwise throws an exception
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resource_data_entry& get_data_entry();
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//Adds resource_data_entry
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void add_data_entry(const resource_data_entry& entry);
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//Adds resource_directory
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void add_resource_directory(const resource_directory& dir);
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private:
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//Destroys included data
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void release();
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private:
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uint32_t id_;
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std::wstring name_;
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union includes
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{
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//Default constructor
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includes();
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//We use pointers, we're doing manual copying here
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class resource_data_entry* data_;
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class resource_directory* dir_; //We use pointer, because structs include each other
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};
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includes ptr_;
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bool includes_data_, named_;
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};
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//Class representing resource directory
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class resource_directory
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{
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public:
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typedef std::vector<resource_directory_entry> entry_list;
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public:
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//Default constructor
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resource_directory();
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//Constructor from data
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explicit resource_directory(const pe_win::image_resource_directory& dir);
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//Returns characteristics of directory
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uint32_t get_characteristics() const;
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//Returns date and time stamp of directory
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uint32_t get_timestamp() const;
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//Returns number of named entries
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uint32_t get_number_of_named_entries() const;
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//Returns number of ID entries
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uint32_t get_number_of_id_entries() const;
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//Returns major version of directory
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uint16_t get_major_version() const;
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//Returns minor version of directory
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uint16_t get_minor_version() const;
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//Returns resource_directory_entry array
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const entry_list& get_entry_list() const;
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//Returns resource_directory_entry by ID. If not found - throws an exception
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const resource_directory_entry& entry_by_id(uint32_t id) const;
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//Returns resource_directory_entry by name. If not found - throws an exception
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const resource_directory_entry& entry_by_name(const std::wstring& name) 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 resource directory
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//Adds resource_directory_entry
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void add_resource_directory_entry(const resource_directory_entry& entry);
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//Clears resource_directory_entry array
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void clear_resource_directory_entry_list();
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//Sets characteristics of directory
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void set_characteristics(uint32_t characteristics);
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//Sets date and time stamp of directory
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void set_timestamp(uint32_t timestamp);
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//Sets number of named entries
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void set_number_of_named_entries(uint32_t number);
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//Sets number of ID entries
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void set_number_of_id_entries(uint32_t number);
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//Sets major version of directory
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void set_major_version(uint16_t major_version);
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//Sets minor version of directory
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void get_minor_version(uint16_t minor_version);
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//Returns resource_directory_entry array
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entry_list& get_entry_list();
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private:
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uint32_t characteristics_;
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uint32_t timestamp_;
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uint16_t major_version_, minor_version_;
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uint32_t number_of_named_entries_, number_of_id_entries_;
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entry_list entries_;
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public: //Finder helpers
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//Finds resource_directory_entry by ID
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struct id_entry_finder
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{
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public:
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explicit id_entry_finder(uint32_t id);
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bool operator()(const resource_directory_entry& entry) const;
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private:
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uint32_t id_;
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};
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//Finds resource_directory_entry by name
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struct name_entry_finder
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{
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public:
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explicit name_entry_finder(const std::wstring& name);
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bool operator()(const resource_directory_entry& entry) const;
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private:
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std::wstring name_;
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};
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//Finds resource_directory_entry by name or ID (universal)
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struct entry_finder
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{
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public:
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explicit entry_finder(const std::wstring& name);
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explicit entry_finder(uint32_t id);
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bool operator()(const resource_directory_entry& entry) const;
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private:
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std::wstring name_;
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uint32_t id_;
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bool named_;
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};
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};
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//Returns resources (root resource_directory) from PE file
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const resource_directory get_resources(const pe_base& pe);
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//Resources rebuilder
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//resource_directory - root resource directory
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//resources_section - section where resource directory will be placed (must be attached to PE image)
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//resource_directory is non-constant, because it will be sorted
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//offset_from_section_start - offset from resources_section raw data start
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//save_to_pe_headers - if true, new resource directory information will be saved to PE image headers
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//auto_strip_last_section - if true and resources are placed in the last section, it will be automatically stripped
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//number_of_id_entries and number_of_named_entries for resource directories are recalculated and not used
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const image_directory rebuild_resources(pe_base& pe, resource_directory& info, section& resources_section, uint32_t offset_from_section_start = 0, bool save_to_pe_header = true, bool auto_strip_last_section = true);
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}
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