mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-25 17:12:35 +01:00
125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
// Copyright (c) 2006, Google Inc.
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// macho_id.h: Functions to gather identifying information from a macho file
|
|
//
|
|
// Author: Dan Waylonis
|
|
|
|
#ifndef COMMON_MAC_MACHO_ID_H__
|
|
#define COMMON_MAC_MACHO_ID_H__
|
|
|
|
#include <limits.h>
|
|
#include <mach-o/loader.h>
|
|
#include <openssl/md5.h>
|
|
#include <openssl/sha.h>
|
|
|
|
namespace MacFileUtilities {
|
|
|
|
class MachoWalker;
|
|
|
|
class MachoID {
|
|
public:
|
|
MachoID(const char *path);
|
|
~MachoID();
|
|
|
|
// For the given |cpu_type|, return a UUID from the LC_UUID command.
|
|
// Return false if there isn't a LC_UUID command.
|
|
bool UUIDCommand(int cpu_type, unsigned char identifier[16]);
|
|
|
|
// For the given |cpu_type|, return a UUID from the LC_ID_DYLIB command.
|
|
// Return false if there isn't a LC_ID_DYLIB command.
|
|
bool IDCommand(int cpu_type, unsigned char identifier[16]);
|
|
|
|
// For the given |cpu_type|, return the Adler32 CRC for the mach-o data
|
|
// segment(s).
|
|
// Return 0 on error (e.g., if the file is not a mach-o file)
|
|
uint32_t Adler32(int cpu_type);
|
|
|
|
// For the given |cpu_type|, return the MD5 for the mach-o data segment(s).
|
|
// Return true on success, false otherwise
|
|
bool MD5(int cpu_type, unsigned char identifier[16]);
|
|
|
|
// For the given |cpu_type|, return the SHA1 for the mach-o data segment(s).
|
|
// Return true on success, false otherwise
|
|
bool SHA1(int cpu_type, unsigned char identifier[16]);
|
|
|
|
private:
|
|
// Signature of class member function to be called with data read from file
|
|
typedef void (MachoID::*UpdateFunction)(unsigned char *bytes, size_t size);
|
|
|
|
// Update the CRC value by examining |size| |bytes| and applying the algorithm
|
|
// to each byte.
|
|
void UpdateCRC(unsigned char *bytes, size_t size);
|
|
|
|
// Update the MD5 value by examining |size| |bytes| and applying the algorithm
|
|
// to each byte.
|
|
void UpdateMD5(unsigned char *bytes, size_t size);
|
|
|
|
// Update the SHA1 value by examining |size| |bytes| and applying the
|
|
// algorithm to each byte.
|
|
void UpdateSHA1(unsigned char *bytes, size_t size);
|
|
|
|
// Bottleneck for update routines
|
|
void Update(MachoWalker *walker, off_t offset, size_t size);
|
|
|
|
// The callback from the MachoWalker for CRC, MD5, and SHA1
|
|
static bool WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
|
|
bool swap, void *context);
|
|
|
|
// The callback from the MachoWalker for LC_UUID
|
|
static bool UUIDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
|
|
bool swap, void *context);
|
|
|
|
// The callback from the MachoWalker for LC_ID_DYLIB
|
|
static bool IDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
|
|
bool swap, void *context);
|
|
|
|
// File path
|
|
char path_[PATH_MAX];
|
|
|
|
// File descriptor
|
|
int file_;
|
|
|
|
// The current crc value
|
|
uint32_t crc_;
|
|
|
|
// The MD5 context
|
|
MD5_CTX md5_context_;
|
|
|
|
// The SHA1 context
|
|
SHA_CTX sha1_context_;
|
|
|
|
// The current update to call from the Update callback
|
|
UpdateFunction update_function_;
|
|
};
|
|
|
|
} // namespace MacFileUtilities
|
|
|
|
#endif // COMMON_MAC_MACHO_ID_H__
|