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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.
*/
#define CATCH_CONFIG_MAIN
#include <catch.hpp>
#include <yaml-cpp/yaml.h>
#include <LIEF/ELF.hpp>
#include "utils.hpp"
extern const YAML::Node config = YAML::LoadFile(std::string(PATH_TO_CONFIG) + "/config.yaml");
using namespace LIEF::ELF;
TEST_CASE("Test remove dynamic symbol", "[elf][modifier][symbol][dynamic]")
{
using namespace Catch::Generators;
std::vector<std::string> elf_files = Test::get_elf_files();
// Get one
std::vector<std::string>::iterator elf_file = between(
std::begin(elf_files),
std::prev(std::end(elf_files)));
const std::string& elf_file_str = *elf_file;
//if (elf_file_str.find("systemd-resolve.bin") == std::string::npos) {
if (elf_file_str.find("binary_tiny") != std::string::npos) {
INFO("Skip " << elf_file_str);
return;
}
if (elf_file_str.find("ELF64_x86-64_binary_rvs.bin") != std::string::npos) {
INFO("Skip " << elf_file_str);
return;
}
INFO("Binary used: " << elf_file_str);
std::unique_ptr<Binary> binary = std::unique_ptr<Binary>{Parser::parse(elf_file_str)};
it_symbols dynamic_symbols = binary->dynamic_symbols();
auto&& it_symbol = std::find_if(
std::begin(dynamic_symbols),
std::end(dynamic_symbols),
[] (const Symbol& symbol) {
return symbol.name().length() > 2;
});
if (it_symbol == std::end(dynamic_symbols)) {
return;
}
auto&& it_symbol_bis = std::find_if(
std::begin(dynamic_symbols),
std::end(dynamic_symbols),
[&it_symbol] (const Symbol& symbol) {
return symbol.name().length() > 2 and *it_symbol != symbol;
});
if (it_symbol_bis == std::end(dynamic_symbols)) {
return;
}
const std::string symbol_removed_name = it_symbol->name();
const std::string symbol_bis_removed_name = it_symbol_bis->name();
INFO("Symbol that will be removed: " << symbol_removed_name << " and " << symbol_bis_removed_name);
Symbol* symbol = &(*it_symbol);
binary->remove_dynamic_symbol(symbol);
binary->remove_dynamic_symbol(symbol_bis_removed_name);
std::string output_name = binary->name() + "_test_remove_symbol";
binary->write(output_name);
std::unique_ptr<Binary> binary_updated = std::unique_ptr<Binary>{Parser::parse(output_name)};
dynamic_symbols = binary_updated->dynamic_symbols();
it_symbol = std::find_if(
std::begin(dynamic_symbols),
std::end(dynamic_symbols),
[&symbol_removed_name] (const Symbol& symbol) {
return symbol.name() == symbol_removed_name;
});
it_symbol_bis = std::find_if(
std::begin(dynamic_symbols),
std::end(dynamic_symbols),
[&symbol_bis_removed_name] (const Symbol& symbol) {
return symbol.name() == symbol_bis_removed_name;
});
REQUIRE(it_symbol == std::end(dynamic_symbols));
REQUIRE(it_symbol_bis == std::end(dynamic_symbols));
}
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