mirror of
https://github.com/lief-project/LIEF
synced 2026-06-08 15:30:44 +00:00
Romain Thomas
116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/* Copyright 2017 - 2026 R. Thomas
|
|
* Copyright 2017 - 2026 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 <cstring>
|
|
#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->type = static_cast<uint32_t>(binary->type());
|
|
c_binary->interpreter = nullptr;
|
|
if (binary->has_interpreter()) {
|
|
const 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_symtab_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();
|
|
|
|
if (binary == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
auto* 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(LIEF::ELF::Header::FILE_TYPE(binary->header.file_type));
|
|
hdr.machine_type(LIEF::ELF::ARCH(binary->header.machine_type));
|
|
hdr.object_file_version(LIEF::ELF::Header::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 1;
|
|
}
|
|
|
|
|
|
void elf_binary_destroy(Elf_Binary_t* binary) {
|
|
destroy_sections(binary);
|
|
destroy_segments(binary);
|
|
destroy_dynamic_symbols(binary);
|
|
destroy_symtab_symbols(binary);
|
|
destroy_dynamic_entries(binary);
|
|
|
|
if (binary->interpreter != nullptr) {
|
|
free(const_cast<char*>(binary->interpreter));
|
|
}
|
|
|
|
delete reinterpret_cast<Binary*>(binary->handler);
|
|
free(binary);
|
|
|
|
}
|
|
//}
|