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Diffstat (limited to '3rdParty/Breakpad/src/common/mac/macho_id.h')
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diff --git a/3rdParty/Breakpad/src/common/mac/macho_id.h b/3rdParty/Breakpad/src/common/mac/macho_id.h
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+// 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 "common/mac/macho_walker.h"
+#include "common/md5.h"
+
+namespace MacFileUtilities {
+
+class MachoID {
+ public:
+ MachoID(const char *path);
+ MachoID(const char *path, void *memory, size_t size);
+ ~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]);
+
+ 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);
+
+ // Bottleneck for update routines
+ void Update(MachoWalker *walker, off_t offset, size_t size);
+
+ // Factory for the MachoWalker
+ bool WalkHeader(int cpu_type, MachoWalker::LoadCommandCallback callback,
+ void *context);
+
+ // The callback from the MachoWalker for CRC and MD5
+ 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];
+
+ // Memory region to read from
+ void *memory_;
+
+ // Size of the memory region
+ size_t memory_size_;
+
+ // The current crc value
+ uint32_t crc_;
+
+ // The MD5 context
+ google_breakpad::MD5Context md5_context_;
+
+ // The current update to call from the Update callback
+ UpdateFunction update_function_;
+};
+
+} // namespace MacFileUtilities
+
+#endif // COMMON_MAC_MACHO_ID_H__