summaryrefslogtreecommitdiff
path: root/tools/pe_bliss/pe_resources.cpp
diff options
context:
space:
mode:
authorJuan Linietsky <reduzio@gmail.com>2015-11-19 00:08:47 -0300
committerJuan Linietsky <reduzio@gmail.com>2015-11-19 00:08:47 -0300
commit0168947084af1991a2af978956e823afb7b17d33 (patch)
tree90cf698b22105ecb62f3a8c5d127a63928c475ef /tools/pe_bliss/pe_resources.cpp
parentea035f308b178ebead3239ae6fd92a4fe5592950 (diff)
parent69fa5ed1c083c8e8bdef9833a37b448ad526c1e4 (diff)
Merge pull request #2518 from masoudbh3/godot-icons
Add icon to exe file in windows export
Diffstat (limited to 'tools/pe_bliss/pe_resources.cpp')
-rw-r--r--tools/pe_bliss/pe_resources.cpp726
1 files changed, 726 insertions, 0 deletions
diff --git a/tools/pe_bliss/pe_resources.cpp b/tools/pe_bliss/pe_resources.cpp
new file mode 100644
index 0000000000..189aba1f76
--- /dev/null
+++ b/tools/pe_bliss/pe_resources.cpp
@@ -0,0 +1,726 @@
+/*************************************************************************/
+/* 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. */
+/*************************************************************************/
+#include <algorithm>
+#include <string.h>
+#include "pe_resources.h"
+
+namespace pe_bliss
+{
+using namespace pe_win;
+
+//RESOURCES
+//Default constructor
+resource_data_entry::resource_data_entry()
+ :codepage_(0)
+{}
+
+//Constructor from data
+resource_data_entry::resource_data_entry(const std::string& data, uint32_t codepage)
+ :codepage_(codepage), data_(data)
+{}
+
+//Returns resource data codepage
+uint32_t resource_data_entry::get_codepage() const
+{
+ return codepage_;
+}
+
+//Returns resource data
+const std::string& resource_data_entry::get_data() const
+{
+ return data_;
+}
+
+//Sets resource data codepage
+void resource_data_entry::set_codepage(uint32_t codepage)
+{
+ codepage_ = codepage;
+}
+
+//Sets resource data
+void resource_data_entry::set_data(const std::string& data)
+{
+ data_ = data;
+}
+
+//Default constructor
+resource_directory_entry::includes::includes()
+ :data_(0)
+{}
+
+//Default constructor
+resource_directory_entry::resource_directory_entry()
+ :id_(0), includes_data_(false), named_(false)
+{}
+
+//Copy constructor
+resource_directory_entry::resource_directory_entry(const resource_directory_entry& other)
+ :id_(other.id_), name_(other.name_), includes_data_(other.includes_data_), named_(other.named_)
+{
+ //If union'ed pointer is not zero
+ if(other.ptr_.data_)
+ {
+ if(other.includes_data())
+ ptr_.data_ = new resource_data_entry(*other.ptr_.data_);
+ else
+ ptr_.dir_ = new resource_directory(*other.ptr_.dir_);
+ }
+}
+
+//Copy assignment operator
+resource_directory_entry& resource_directory_entry::operator=(const resource_directory_entry& other)
+{
+ release();
+
+ id_ = other.id_;
+ name_ = other.name_;
+ includes_data_ = other.includes_data_;
+ named_ = other.named_;
+
+ //If other union'ed pointer is not zero
+ if(other.ptr_.data_)
+ {
+ if(other.includes_data())
+ ptr_.data_ = new resource_data_entry(*other.ptr_.data_);
+ else
+ ptr_.dir_ = new resource_directory(*other.ptr_.dir_);
+ }
+
+ return *this;
+}
+
+//Destroys included data
+void resource_directory_entry::release()
+{
+ //If union'ed pointer is not zero
+ if(ptr_.data_)
+ {
+ if(includes_data())
+ delete ptr_.data_;
+ else
+ delete ptr_.dir_;
+
+ ptr_.data_ = 0;
+ }
+}
+
+//Destructor
+resource_directory_entry::~resource_directory_entry()
+{
+ release();
+}
+
+//Returns entry ID
+uint32_t resource_directory_entry::get_id() const
+{
+ return id_;
+}
+
+//Returns entry name
+const std::wstring& resource_directory_entry::get_name() const
+{
+ return name_;
+}
+
+//Returns true, if entry has name
+//Returns false, if entry has ID
+bool resource_directory_entry::is_named() const
+{
+ return named_;
+}
+
+//Returns true, if entry includes resource_data_entry
+//Returns false, if entry includes resource_directory
+bool resource_directory_entry::includes_data() const
+{
+ return includes_data_;
+}
+
+//Returns resource_directory if entry includes it, otherwise throws an exception
+const resource_directory& resource_directory_entry::get_resource_directory() const
+{
+ if(!ptr_.dir_ || includes_data_)
+ throw pe_exception("Resource directory entry does not contain resource directory", pe_exception::resource_directory_entry_error);
+
+ return *ptr_.dir_;
+}
+
+//Returns resource_data_entry if entry includes it, otherwise throws an exception
+const resource_data_entry& resource_directory_entry::get_data_entry() const
+{
+ if(!ptr_.data_ || !includes_data_)
+ throw pe_exception("Resource directory entry does not contain resource data entry", pe_exception::resource_directory_entry_error);
+
+ return *ptr_.data_;
+}
+
+//Returns resource_directory if entry includes it, otherwise throws an exception
+resource_directory& resource_directory_entry::get_resource_directory()
+{
+ if(!ptr_.dir_ || includes_data_)
+ throw pe_exception("Resource directory entry does not contain resource directory", pe_exception::resource_directory_entry_error);
+
+ return *ptr_.dir_;
+}
+
+//Returns resource_data_entry if entry includes it, otherwise throws an exception
+resource_data_entry& resource_directory_entry::get_data_entry()
+{
+ if(!ptr_.data_ || !includes_data_)
+ throw pe_exception("Resource directory entry does not contain resource data entry", pe_exception::resource_directory_entry_error);
+
+ return *ptr_.data_;
+}
+
+//Sets entry name
+void resource_directory_entry::set_name(const std::wstring& name)
+{
+ name_ = name;
+ named_ = true;
+ id_ = 0;
+}
+
+//Sets entry ID
+void resource_directory_entry::set_id(uint32_t id)
+{
+ id_ = id;
+ named_ = false;
+ name_.clear();
+}
+
+//Adds resource_data_entry
+void resource_directory_entry::add_data_entry(const resource_data_entry& entry)
+{
+ release();
+ ptr_.data_ = new resource_data_entry(entry);
+ includes_data_ = true;
+}
+
+//Adds resource_directory
+void resource_directory_entry::add_resource_directory(const resource_directory& dir)
+{
+ release();
+ ptr_.dir_ = new resource_directory(dir);
+ includes_data_ = false;
+}
+
+//Default constructor
+resource_directory::resource_directory()
+ :characteristics_(0),
+ timestamp_(0),
+ major_version_(0), minor_version_(0),
+ number_of_named_entries_(0), number_of_id_entries_(0)
+{}
+
+//Constructor from data
+resource_directory::resource_directory(const image_resource_directory& dir)
+ :characteristics_(dir.Characteristics),
+ timestamp_(dir.TimeDateStamp),
+ major_version_(dir.MajorVersion), minor_version_(dir.MinorVersion),
+ number_of_named_entries_(0), number_of_id_entries_(0) //Set to zero here, calculate on add
+{}
+
+//Returns characteristics of directory
+uint32_t resource_directory::get_characteristics() const
+{
+ return characteristics_;
+}
+
+//Returns date and time stamp of directory
+uint32_t resource_directory::get_timestamp() const
+{
+ return timestamp_;
+}
+
+//Returns major version of directory
+uint16_t resource_directory::get_major_version() const
+{
+ return major_version_;
+}
+
+//Returns minor version of directory
+uint16_t resource_directory::get_minor_version() const
+{
+ return minor_version_;
+}
+
+//Returns number of named entries
+uint32_t resource_directory::get_number_of_named_entries() const
+{
+ return number_of_named_entries_;
+}
+
+//Returns number of ID entries
+uint32_t resource_directory::get_number_of_id_entries() const
+{
+ return number_of_id_entries_;
+}
+
+//Returns resource_directory_entry array
+const resource_directory::entry_list& resource_directory::get_entry_list() const
+{
+ return entries_;
+}
+
+//Returns resource_directory_entry array
+resource_directory::entry_list& resource_directory::get_entry_list()
+{
+ return entries_;
+}
+
+//Adds resource_directory_entry
+void resource_directory::add_resource_directory_entry(const resource_directory_entry& entry)
+{
+ entries_.push_back(entry);
+ if(entry.is_named())
+ ++number_of_named_entries_;
+ else
+ ++number_of_id_entries_;
+}
+
+//Clears resource_directory_entry array
+void resource_directory::clear_resource_directory_entry_list()
+{
+ entries_.clear();
+ number_of_named_entries_ = 0;
+ number_of_id_entries_ = 0;
+}
+
+//Sets characteristics of directory
+void resource_directory::set_characteristics(uint32_t characteristics)
+{
+ characteristics_ = characteristics;
+}
+
+//Sets date and time stamp of directory
+void resource_directory::set_timestamp(uint32_t timestamp)
+{
+ timestamp_ = timestamp;
+}
+
+//Sets number of named entries
+void resource_directory::set_number_of_named_entries(uint32_t number)
+{
+ number_of_named_entries_ = number;
+}
+
+//Sets number of ID entries
+void resource_directory::set_number_of_id_entries(uint32_t number)
+{
+ number_of_id_entries_ = number;
+}
+
+//Sets major version of directory
+void resource_directory::set_major_version(uint16_t major_version)
+{
+ major_version_ = major_version;
+}
+
+//Sets minor version of directory
+void resource_directory::get_minor_version(uint16_t minor_version)
+{
+ minor_version_ = minor_version;
+}
+
+//Processes resource directory
+const resource_directory process_resource_directory(const pe_base& pe, uint32_t res_rva, uint32_t offset_to_directory, std::set<uint32_t>& processed)
+{
+ resource_directory ret;
+
+ //Check for resource loops
+ if(!processed.insert(offset_to_directory).second)
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ if(!pe_utils::is_sum_safe(res_rva, offset_to_directory))
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ //Get root IMAGE_RESOURCE_DIRECTORY
+ image_resource_directory directory = pe.section_data_from_rva<image_resource_directory>(res_rva + offset_to_directory, section_data_virtual, true);
+
+ ret = resource_directory(directory);
+
+ //Check DWORDs for possible overflows
+ if(!pe_utils::is_sum_safe(directory.NumberOfIdEntries, directory.NumberOfNamedEntries)
+ || directory.NumberOfIdEntries + directory.NumberOfNamedEntries >= pe_utils::max_dword / sizeof(image_resource_directory_entry) + sizeof(image_resource_directory))
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ if(!pe_utils::is_sum_safe(offset_to_directory, sizeof(image_resource_directory) + (directory.NumberOfIdEntries + directory.NumberOfNamedEntries) * sizeof(image_resource_directory_entry))
+ || !pe_utils::is_sum_safe(res_rva, offset_to_directory + sizeof(image_resource_directory) + (directory.NumberOfIdEntries + directory.NumberOfNamedEntries) * sizeof(image_resource_directory_entry)))
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ for(unsigned long i = 0; i != static_cast<unsigned long>(directory.NumberOfIdEntries) + directory.NumberOfNamedEntries; ++i)
+ {
+ //Read directory entries one by one
+ image_resource_directory_entry dir_entry = pe.section_data_from_rva<image_resource_directory_entry>(
+ res_rva + sizeof(image_resource_directory) + i * sizeof(image_resource_directory_entry) + offset_to_directory, section_data_virtual, true);
+
+ //Create directory entry structure
+ resource_directory_entry entry;
+
+ //If directory is named
+ if(dir_entry.NameIsString)
+ {
+ if(!pe_utils::is_sum_safe(res_rva + sizeof(uint16_t) /* safe */, dir_entry.NameOffset))
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ //get directory name length
+ uint16_t directory_name_length = pe.section_data_from_rva<uint16_t>(res_rva + dir_entry.NameOffset, section_data_virtual, true);
+
+ //Check name length
+ if(pe.section_data_length_from_rva(res_rva + dir_entry.NameOffset + sizeof(uint16_t), res_rva + dir_entry.NameOffset + sizeof(uint16_t), section_data_virtual, true)
+ < directory_name_length)
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+#ifdef PE_BLISS_WINDOWS
+ //Set entry UNICODE name
+ entry.set_name(std::wstring(
+ reinterpret_cast<const wchar_t*>(pe.section_data_from_rva(res_rva + dir_entry.NameOffset + sizeof(uint16_t), section_data_virtual, true)),
+ directory_name_length));
+#else
+ //Set entry UNICODE name
+ entry.set_name(pe_utils::from_ucs2(u16string(
+ reinterpret_cast<const unicode16_t*>(pe.section_data_from_rva(res_rva + dir_entry.NameOffset + sizeof(uint16_t), section_data_virtual, true)),
+ directory_name_length)));
+#endif
+ }
+ else
+ {
+ //Else - set directory ID
+ entry.set_id(dir_entry.Id);
+ }
+
+ //If directory entry has another resource directory
+ if(dir_entry.DataIsDirectory)
+ {
+ entry.add_resource_directory(process_resource_directory(pe, res_rva, dir_entry.OffsetToDirectory, processed));
+ }
+ else
+ {
+ //If directory entry has data
+ image_resource_data_entry data_entry = pe.section_data_from_rva<image_resource_data_entry>(
+ res_rva + dir_entry.OffsetToData, section_data_virtual, true);
+
+ //Check byte count that stated by data entry
+ if(pe.section_data_length_from_rva(data_entry.OffsetToData, data_entry.OffsetToData, section_data_virtual, true) < data_entry.Size)
+ throw pe_exception("Incorrect resource directory", pe_exception::incorrect_resource_directory);
+
+ //Add data entry to directory entry
+ entry.add_data_entry(resource_data_entry(
+ std::string(pe.section_data_from_rva(data_entry.OffsetToData, section_data_virtual, true), data_entry.Size),
+ data_entry.CodePage));
+ }
+
+ //Save directory entry
+ ret.add_resource_directory_entry(entry);
+ }
+
+ //Return resource directory
+ return ret;
+}
+
+//Helper function to calculate needed space for resource data
+void calculate_resource_data_space(const resource_directory& root, uint32_t aligned_offset_from_section_start, uint32_t& needed_size_for_structures, uint32_t& needed_size_for_strings)
+{
+ needed_size_for_structures += sizeof(image_resource_directory);
+ for(resource_directory::entry_list::const_iterator it = root.get_entry_list().begin(); it != root.get_entry_list().end(); ++it)
+ {
+ needed_size_for_structures += sizeof(image_resource_directory_entry);
+
+ if((*it).is_named())
+ needed_size_for_strings += static_cast<uint32_t>(((*it).get_name().length() + 1) * 2 /* unicode */ + sizeof(uint16_t) /* for string length */);
+
+ if(!(*it).includes_data())
+ calculate_resource_data_space((*it).get_resource_directory(), aligned_offset_from_section_start, needed_size_for_structures, needed_size_for_strings);
+ }
+}
+
+//Helper function to calculate needed space for resource data
+void calculate_resource_data_space(const resource_directory& root, uint32_t needed_size_for_structures, uint32_t needed_size_for_strings, uint32_t& needed_size_for_data, uint32_t& current_data_pos)
+{
+ for(resource_directory::entry_list::const_iterator it = root.get_entry_list().begin(); it != root.get_entry_list().end(); ++it)
+ {
+ if((*it).includes_data())
+ {
+ uint32_t data_size = static_cast<uint32_t>((*it).get_data_entry().get_data().length()
+ + sizeof(image_resource_data_entry)
+ + (pe_utils::align_up(current_data_pos, sizeof(uint32_t)) - current_data_pos) /* alignment */);
+ needed_size_for_data += data_size;
+ current_data_pos += data_size;
+ }
+ else
+ {
+ calculate_resource_data_space((*it).get_resource_directory(), needed_size_for_structures, needed_size_for_strings, needed_size_for_data, current_data_pos);
+ }
+ }
+}
+
+//Helper: sorts resource directory entries
+struct entry_sorter
+{
+public:
+ bool operator()(const resource_directory_entry& entry1, const resource_directory_entry& entry2) const;
+};
+
+//Helper function to rebuild resource directory
+void rebuild_resource_directory(pe_base& pe, section& resource_section, resource_directory& root, uint32_t& current_structures_pos, uint32_t& current_data_pos, uint32_t& current_strings_pos, uint32_t offset_from_section_start)
+{
+ //Create resource directory
+ image_resource_directory dir = {0};
+ dir.Characteristics = root.get_characteristics();
+ dir.MajorVersion = root.get_major_version();
+ dir.MinorVersion = root.get_minor_version();
+ dir.TimeDateStamp = root.get_timestamp();
+
+ {
+ resource_directory::entry_list& entries = root.get_entry_list();
+ std::sort(entries.begin(), entries.end(), entry_sorter());
+ }
+
+ //Calculate number of named and ID entries
+ for(resource_directory::entry_list::const_iterator it = root.get_entry_list().begin(); it != root.get_entry_list().end(); ++it)
+ {
+ if((*it).is_named())
+ ++dir.NumberOfNamedEntries;
+ else
+ ++dir.NumberOfIdEntries;
+ }
+
+ std::string& raw_data = resource_section.get_raw_data();
+
+ //Save resource directory
+ memcpy(&raw_data[current_structures_pos], &dir, sizeof(dir));
+ current_structures_pos += sizeof(dir);
+
+ uint32_t this_current_structures_pos = current_structures_pos;
+
+ current_structures_pos += sizeof(image_resource_directory_entry) * (dir.NumberOfNamedEntries + dir.NumberOfIdEntries);
+
+ //Create all resource directory entries
+ for(resource_directory::entry_list::iterator it = root.get_entry_list().begin(); it != root.get_entry_list().end(); ++it)
+ {
+ image_resource_directory_entry entry;
+ if((*it).is_named())
+ {
+ entry.Name = 0x80000000 | (current_strings_pos - offset_from_section_start);
+ uint16_t unicode_length = static_cast<uint16_t>((*it).get_name().length());
+ memcpy(&raw_data[current_strings_pos], &unicode_length, sizeof(unicode_length));
+ current_strings_pos += sizeof(unicode_length);
+
+#ifdef PE_BLISS_WINDOWS
+ memcpy(&raw_data[current_strings_pos], (*it).get_name().c_str(), (*it).get_name().length() * sizeof(uint16_t) + sizeof(uint16_t) /* unicode */);
+#else
+ {
+ u16string str(pe_utils::to_ucs2((*it).get_name()));
+ memcpy(&raw_data[current_strings_pos], str.c_str(), (*it).get_name().length() * sizeof(uint16_t) + sizeof(uint16_t) /* unicode */);
+ }
+#endif
+
+ current_strings_pos += static_cast<unsigned long>((*it).get_name().length() * sizeof(uint16_t) + sizeof(uint16_t) /* unicode */);
+ }
+ else
+ {
+ entry.Name = (*it).get_id();
+ }
+
+ if((*it).includes_data())
+ {
+ current_data_pos = pe_utils::align_up(current_data_pos, sizeof(uint32_t));
+ image_resource_data_entry data_entry = {0};
+ data_entry.CodePage = (*it).get_data_entry().get_codepage();
+ data_entry.Size = static_cast<uint32_t>((*it).get_data_entry().get_data().length());
+ data_entry.OffsetToData = pe.rva_from_section_offset(resource_section, current_data_pos + sizeof(data_entry));
+
+ entry.OffsetToData = current_data_pos - offset_from_section_start;
+
+ memcpy(&raw_data[current_data_pos], &data_entry, sizeof(data_entry));
+ current_data_pos += sizeof(data_entry);
+
+ memcpy(&raw_data[current_data_pos], (*it).get_data_entry().get_data().data(), data_entry.Size);
+ current_data_pos += data_entry.Size;
+
+ memcpy(&raw_data[this_current_structures_pos], &entry, sizeof(entry));
+ this_current_structures_pos += sizeof(entry);
+ }
+ else
+ {
+ entry.OffsetToData = 0x80000000 | (current_structures_pos - offset_from_section_start);
+
+ memcpy(&raw_data[this_current_structures_pos], &entry, sizeof(entry));
+ this_current_structures_pos += sizeof(entry);
+
+ rebuild_resource_directory(pe, resource_section, (*it).get_resource_directory(), current_structures_pos, current_data_pos, current_strings_pos, offset_from_section_start);
+ }
+ }
+}
+
+//Helper function to rebuild resource directory
+bool entry_sorter::operator()(const resource_directory_entry& entry1, const resource_directory_entry& entry2) const
+{
+ if(entry1.is_named() && entry2.is_named())
+ return entry1.get_name() < entry2.get_name();
+ else if(!entry1.is_named() && !entry2.is_named())
+ return entry1.get_id() < entry2.get_id();
+ else
+ return entry1.is_named();
+}
+
+//Resources rebuilder
+//resource_directory - root resource directory
+//resources_section - section where resource directory will be placed (must be attached to PE image)
+//offset_from_section_start - offset from resources_section raw data start
+//resource_directory is non-constant, because it will be sorted
+//save_to_pe_headers - if true, new resource directory information will be saved to PE image headers
+//auto_strip_last_section - if true and resources are placed in the last section, it will be automatically stripped
+//number_of_id_entries and number_of_named_entries for resource directories are recalculated and not used
+const image_directory rebuild_resources(pe_base& pe, resource_directory& info, section& resources_section, uint32_t offset_from_section_start, bool save_to_pe_header, bool auto_strip_last_section)
+{
+ //Check that resources_section is attached to this PE image
+ if(!pe.section_attached(resources_section))
+ throw pe_exception("Resource section must be attached to PE file", pe_exception::section_is_not_attached);
+
+ //Check resource directory correctness
+ if(info.get_entry_list().empty())
+ throw pe_exception("Empty resource directory", pe_exception::incorrect_resource_directory);
+
+ uint32_t aligned_offset_from_section_start = pe_utils::align_up(offset_from_section_start, sizeof(uint32_t));
+ uint32_t needed_size_for_structures = aligned_offset_from_section_start - offset_from_section_start; //Calculate needed size for resource tables and data
+ uint32_t needed_size_for_strings = 0;
+ uint32_t needed_size_for_data = 0;
+
+ calculate_resource_data_space(info, aligned_offset_from_section_start, needed_size_for_structures, needed_size_for_strings);
+
+ {
+ uint32_t current_data_pos = aligned_offset_from_section_start + needed_size_for_structures + needed_size_for_strings;
+ calculate_resource_data_space(info, needed_size_for_structures, needed_size_for_strings, needed_size_for_data, current_data_pos);
+ }
+
+ uint32_t needed_size = needed_size_for_structures + needed_size_for_strings + needed_size_for_data;
+
+ //Check if resources_section is last one. If it's not, check if there's enough place for resource data
+ if(&resources_section != &*(pe.get_image_sections().end() - 1) &&
+ (resources_section.empty() || pe_utils::align_up(resources_section.get_size_of_raw_data(), pe.get_file_alignment())
+ < needed_size + aligned_offset_from_section_start))
+ throw pe_exception("Insufficient space for resource directory", pe_exception::insufficient_space);
+
+ std::string& raw_data = resources_section.get_raw_data();
+
+ //This will be done only if resources_section is the last section of image or for section with unaligned raw length of data
+ if(raw_data.length() < needed_size + aligned_offset_from_section_start)
+ raw_data.resize(needed_size + aligned_offset_from_section_start); //Expand section raw data
+
+ uint32_t current_structures_pos = aligned_offset_from_section_start;
+ uint32_t current_strings_pos = current_structures_pos + needed_size_for_structures;
+ uint32_t current_data_pos = current_strings_pos + needed_size_for_strings;
+ rebuild_resource_directory(pe, resources_section, info, current_structures_pos, current_data_pos, current_strings_pos, aligned_offset_from_section_start);
+
+ //Adjust section raw and virtual sizes
+ pe.recalculate_section_sizes(resources_section, auto_strip_last_section);
+
+ image_directory ret(pe.rva_from_section_offset(resources_section, aligned_offset_from_section_start), needed_size);
+
+ //If auto-rewrite of PE headers is required
+ if(save_to_pe_header)
+ {
+ pe.set_directory_rva(image_directory_entry_resource, ret.get_rva());
+ pe.set_directory_size(image_directory_entry_resource, ret.get_size());
+ }
+
+ return ret;
+}
+
+//Returns resources from PE file
+const resource_directory get_resources(const pe_base& pe)
+{
+ resource_directory ret;
+
+ if(!pe.has_resources())
+ return ret;
+
+ //Get resource directory RVA
+ uint32_t res_rva = pe.get_directory_rva(image_directory_entry_resource);
+
+ //Store already processed directories to avoid resource loops
+ std::set<uint32_t> processed;
+
+ //Process all directories (recursion)
+ ret = process_resource_directory(pe, res_rva, 0, processed);
+
+ return ret;
+}
+
+//Finds resource_directory_entry by ID
+resource_directory::id_entry_finder::id_entry_finder(uint32_t id)
+ :id_(id)
+{}
+
+bool resource_directory::id_entry_finder::operator()(const resource_directory_entry& entry) const
+{
+ return !entry.is_named() && entry.get_id() == id_;
+}
+
+//Finds resource_directory_entry by name
+resource_directory::name_entry_finder::name_entry_finder(const std::wstring& name)
+ :name_(name)
+{}
+
+bool resource_directory::name_entry_finder::operator()(const resource_directory_entry& entry) const
+{
+ return entry.is_named() && entry.get_name() == name_;
+}
+
+//Finds resource_directory_entry by name or ID (universal)
+resource_directory::entry_finder::entry_finder(const std::wstring& name)
+ :name_(name), named_(true)
+{}
+
+resource_directory::entry_finder::entry_finder(uint32_t id)
+ :id_(id), named_(false)
+{}
+
+bool resource_directory::entry_finder::operator()(const resource_directory_entry& entry) const
+{
+ if(named_)
+ return entry.is_named() && entry.get_name() == name_;
+ else
+ return !entry.is_named() && entry.get_id() == id_;
+}
+
+//Returns resource_directory_entry by ID. If not found - throws an exception
+const resource_directory_entry& resource_directory::entry_by_id(uint32_t id) const
+{
+ entry_list::const_iterator i = std::find_if(entries_.begin(), entries_.end(), id_entry_finder(id));
+ if(i == entries_.end())
+ throw pe_exception("Resource directory entry not found", pe_exception::resource_directory_entry_not_found);
+
+ return *i;
+}
+
+//Returns resource_directory_entry by name. If not found - throws an exception
+const resource_directory_entry& resource_directory::entry_by_name(const std::wstring& name) const
+{
+ entry_list::const_iterator i = std::find_if(entries_.begin(), entries_.end(), name_entry_finder(name));
+ if(i == entries_.end())
+ throw pe_exception("Resource directory entry not found", pe_exception::resource_directory_entry_not_found);
+
+ return *i;
+}
+}