1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/mac/macho_id.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,131 @@
1.4 +// Copyright (c) 2006, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +// macho_id.h: Functions to gather identifying information from a macho file
1.34 +//
1.35 +// Author: Dan Waylonis
1.36 +
1.37 +#ifndef COMMON_MAC_MACHO_ID_H__
1.38 +#define COMMON_MAC_MACHO_ID_H__
1.39 +
1.40 +#include <limits.h>
1.41 +#include <mach/machine.h>
1.42 +#include <mach-o/loader.h>
1.43 +
1.44 +#include "common/mac/macho_walker.h"
1.45 +#include "common/md5.h"
1.46 +
1.47 +namespace MacFileUtilities {
1.48 +
1.49 +class MachoID {
1.50 + public:
1.51 + MachoID(const char *path);
1.52 + MachoID(const char *path, void *memory, size_t size);
1.53 + ~MachoID();
1.54 +
1.55 + // For the given |cpu_type| and |cpu_subtype|, return a UUID from the LC_UUID
1.56 + // command.
1.57 + // Return false if there isn't a LC_UUID command.
1.58 + bool UUIDCommand(cpu_type_t cpu_type,
1.59 + cpu_subtype_t cpu_subtype,
1.60 + unsigned char identifier[16]);
1.61 +
1.62 + // For the given |cpu_type| and |cpu_subtype|, return a UUID from the
1.63 + // LC_ID_DYLIB command.
1.64 + // Return false if there isn't a LC_ID_DYLIB command.
1.65 + bool IDCommand(cpu_type_t cpu_type,
1.66 + cpu_subtype_t cpu_subtype,
1.67 + unsigned char identifier[16]);
1.68 +
1.69 + // For the given |cpu_type| and |cpu_subtype|, return the Adler32 CRC for the
1.70 + // mach-o data segment(s).
1.71 + // Return 0 on error (e.g., if the file is not a mach-o file)
1.72 + uint32_t Adler32(cpu_type_t cpu_type,
1.73 + cpu_subtype_t cpu_subtype);
1.74 +
1.75 + // For the given |cpu_type|, and |cpu_subtype| return the MD5 for the mach-o
1.76 + // data segment(s).
1.77 + // Return true on success, false otherwise
1.78 + bool MD5(cpu_type_t cpu_type,
1.79 + cpu_subtype_t cpu_subtype,
1.80 + unsigned char identifier[16]);
1.81 +
1.82 + private:
1.83 + // Signature of class member function to be called with data read from file
1.84 + typedef void (MachoID::*UpdateFunction)(unsigned char *bytes, size_t size);
1.85 +
1.86 + // Update the CRC value by examining |size| |bytes| and applying the algorithm
1.87 + // to each byte.
1.88 + void UpdateCRC(unsigned char *bytes, size_t size);
1.89 +
1.90 + // Update the MD5 value by examining |size| |bytes| and applying the algorithm
1.91 + // to each byte.
1.92 + void UpdateMD5(unsigned char *bytes, size_t size);
1.93 +
1.94 + // Bottleneck for update routines
1.95 + void Update(MachoWalker *walker, off_t offset, size_t size);
1.96 +
1.97 + // Factory for the MachoWalker
1.98 + bool WalkHeader(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype,
1.99 + MachoWalker::LoadCommandCallback callback, void *context);
1.100 +
1.101 + // The callback from the MachoWalker for CRC and MD5
1.102 + static bool WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
1.103 + bool swap, void *context);
1.104 +
1.105 + // The callback from the MachoWalker for LC_UUID
1.106 + static bool UUIDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
1.107 + bool swap, void *context);
1.108 +
1.109 + // The callback from the MachoWalker for LC_ID_DYLIB
1.110 + static bool IDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
1.111 + bool swap, void *context);
1.112 +
1.113 + // File path
1.114 + char path_[PATH_MAX];
1.115 +
1.116 + // Memory region to read from
1.117 + void *memory_;
1.118 +
1.119 + // Size of the memory region
1.120 + size_t memory_size_;
1.121 +
1.122 + // The current crc value
1.123 + uint32_t crc_;
1.124 +
1.125 + // The MD5 context
1.126 + google_breakpad::MD5Context md5_context_;
1.127 +
1.128 + // The current update to call from the Update callback
1.129 + UpdateFunction update_function_;
1.130 +};
1.131 +
1.132 +} // namespace MacFileUtilities
1.133 +
1.134 +#endif // COMMON_MAC_MACHO_ID_H__
