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- // Copyright 2016 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "courgette/program_detector.h"
- #include <memory>
- #include "courgette/disassembler.h"
- #include "courgette/disassembler_elf_32_x86.h"
- #include "courgette/disassembler_win32_x64.h"
- #include "courgette/disassembler_win32_x86.h"
- namespace courgette {
- std::unique_ptr<Disassembler> DetectDisassembler(const uint8_t* buffer,
- size_t length) {
- std::unique_ptr<Disassembler> disassembler;
- if (DisassemblerWin32X86::QuickDetect(buffer, length)) {
- disassembler = std::make_unique<DisassemblerWin32X86>(buffer, length);
- if (disassembler->ParseHeader())
- return disassembler;
- }
- if (DisassemblerWin32X64::QuickDetect(buffer, length)) {
- disassembler = std::make_unique<DisassemblerWin32X64>(buffer, length);
- if (disassembler->ParseHeader())
- return disassembler;
- }
- if (DisassemblerElf32X86::QuickDetect(buffer, length)) {
- disassembler = std::make_unique<DisassemblerElf32X86>(buffer, length);
- if (disassembler->ParseHeader())
- return disassembler;
- }
- return nullptr;
- }
- Status DetectExecutableType(const uint8_t* buffer,
- size_t length,
- ExecutableType* type,
- size_t* detected_length) {
- std::unique_ptr<Disassembler> disassembler(
- DetectDisassembler(buffer, length));
- if (!disassembler) { // We failed to detect anything.
- *type = EXE_UNKNOWN;
- *detected_length = 0;
- return C_INPUT_NOT_RECOGNIZED;
- }
- *type = disassembler->kind();
- *detected_length = disassembler->length();
- return C_OK;
- }
- } // namespace courgette
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