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/* Copyright 2017 R. Thomas
* Copyright 2017 Quarkslab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "LIEF/ELF/Binary.h"
#include "LIEF/ELF/Section.h"
#include "LIEF/ELF/Segment.h"
#include "LIEF/ELF/Header.h"
#include "LIEF/ELF/Symbol.h"
#include "LIEF/ELF/Parser.hpp"
#include "LIEF/ELF/Binary.hpp"
#include "Section.hpp"
#include "Segment.hpp"
#include "DynamicEntry.hpp"
#include "Symbol.hpp"
#include "Header.hpp"
#include "Binary.hpp"
using namespace LIEF::ELF;
namespace LIEF {
namespace ELF {
void init_c_binary(Elf_Binary_t* c_binary, Binary* binary) {
c_binary->handler = reinterpret_cast<void*>(binary);
c_binary->name = binary->name().c_str();
c_binary->type = static_cast<enum LIEF_ELF_ELF_CLASS>(binary->type());
c_binary->interpreter = nullptr;
if (binary->has_interpreter()) {
std::string interp = binary->interpreter();
c_binary->interpreter = static_cast<char*>(malloc((interp.size() + 1) * sizeof(char)));
std::memcpy(
reinterpret_cast<void*>(const_cast<char*>(c_binary->interpreter)),
reinterpret_cast<const void*>(interp.data()),
interp.size());
reinterpret_cast<char*>(const_cast<char*>(c_binary->interpreter))[interp.size()] = '\0';
}
init_c_header(c_binary, binary);
init_c_sections(c_binary, binary);
init_c_segments(c_binary, binary);
init_c_dynamic_symbols(c_binary, binary);
init_c_static_symbols(c_binary, binary);
init_c_dynamic_entries(c_binary, binary);
}
}
}
Elf_Binary_t* elf_parse(const char *file) {
Binary* binary = Parser::parse(file).release();
Elf_Binary_t* c_binary = static_cast<Elf_Binary_t*>(malloc(sizeof(Elf_Binary_t)));
memset(c_binary, 0, sizeof(Elf_Binary_t));
init_c_binary(c_binary, binary);
return c_binary;
}
// Binary Methods
// ==============
int elf_binary_save_header(Elf_Binary_t* binary) {
Header& hdr = reinterpret_cast<Binary*>(binary->handler)->header();
hdr.file_type(static_cast<LIEF::ELF::E_TYPE>(binary->header.file_type));
hdr.machine_type(static_cast<LIEF::ELF::ARCH>(binary->header.machine_type));
hdr.object_file_version(static_cast<LIEF::ELF::VERSION>(binary->header.object_file_version));
hdr.program_headers_offset(binary->header.program_headers_offset);
hdr.section_headers_offset(binary->header.section_headers_offset);
hdr.processor_flag(binary->header.processor_flags);
hdr.header_size(binary->header.header_size);
hdr.program_header_size(binary->header.program_header_size);
hdr.numberof_segments(binary->header.numberof_segments);
hdr.section_header_size(binary->header.section_header_size);
hdr.numberof_sections(binary->header.numberof_sections);
hdr.section_name_table_idx(binary->header.name_string_table_idx);
hdr.entrypoint(binary->header.entrypoint);
//TODO: identity
return true;
}
void elf_binary_destroy(Elf_Binary_t* binary) {
destroy_sections(binary);
destroy_segments(binary);
destroy_dynamic_symbols(binary);
destroy_static_symbols(binary);
destroy_dynamic_entries(binary);
if (binary->interpreter != nullptr) {
free(const_cast<char*>(binary->interpreter));
}
delete reinterpret_cast<Binary*>(binary->handler);
free(binary);
}
//}
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