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-rw-r--r--toolkit/crashreporter/google-breakpad/src/common/mac/macho_id.cc369
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diff --git a/toolkit/crashreporter/google-breakpad/src/common/mac/macho_id.cc b/toolkit/crashreporter/google-breakpad/src/common/mac/macho_id.cc
deleted file mode 100644
index c396ad888..000000000
--- a/toolkit/crashreporter/google-breakpad/src/common/mac/macho_id.cc
+++ /dev/null
@@ -1,369 +0,0 @@
-// 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.cc: Functions to gather identifying information from a macho file
-//
-// See macho_id.h for documentation
-//
-// Author: Dan Waylonis
-
-
-#include <fcntl.h>
-#include <mach-o/loader.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "common/mac/macho_id.h"
-#include "common/mac/macho_walker.h"
-#include "common/mac/macho_utilities.h"
-
-namespace MacFileUtilities {
-
-using google_breakpad::MD5Init;
-using google_breakpad::MD5Update;
-using google_breakpad::MD5Final;
-
-MachoID::MachoID(const char *path)
- : memory_(0),
- memory_size_(0),
- crc_(0),
- md5_context_(),
- update_function_(NULL) {
- snprintf(path_, sizeof(path_), "%s", path);
-}
-
-MachoID::MachoID(const char *path, void *memory, size_t size)
- : memory_(memory),
- memory_size_(size),
- crc_(0),
- md5_context_(),
- update_function_(NULL) {
- snprintf(path_, sizeof(path_), "%s", path);
-}
-
-MachoID::~MachoID() {
-}
-
-// The CRC info is from http://en.wikipedia.org/wiki/Adler-32
-// With optimizations from http://www.zlib.net/
-
-// The largest prime smaller than 65536
-#define MOD_ADLER 65521
-// MAX_BLOCK is the largest n such that 255n(n+1)/2 + (n+1)(MAX_BLOCK-1) <= 2^32-1
-#define MAX_BLOCK 5552
-
-void MachoID::UpdateCRC(unsigned char *bytes, size_t size) {
-// Unrolled loops for summing
-#define DO1(buf,i) {sum1 += (buf)[i]; sum2 += sum1;}
-#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
-#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
-#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
-#define DO16(buf) DO8(buf,0); DO8(buf,8);
- // Split up the crc
- uint32_t sum1 = crc_ & 0xFFFF;
- uint32_t sum2 = (crc_ >> 16) & 0xFFFF;
-
- // Do large blocks
- while (size >= MAX_BLOCK) {
- size -= MAX_BLOCK;
- int block_count = MAX_BLOCK / 16;
- do {
- DO16(bytes);
- bytes += 16;
- } while (--block_count);
- sum1 %= MOD_ADLER;
- sum2 %= MOD_ADLER;
- }
-
- // Do remaining bytes
- if (size) {
- while (size >= 16) {
- size -= 16;
- DO16(bytes);
- bytes += 16;
- }
- while (size--) {
- sum1 += *bytes++;
- sum2 += sum1;
- }
- sum1 %= MOD_ADLER;
- sum2 %= MOD_ADLER;
- crc_ = (sum2 << 16) | sum1;
- }
-}
-
-void MachoID::UpdateMD5(unsigned char *bytes, size_t size) {
- MD5Update(&md5_context_, bytes, static_cast<unsigned>(size));
-}
-
-void MachoID::Update(MachoWalker *walker, off_t offset, size_t size) {
- if (!update_function_ || !size)
- return;
-
- // Read up to 4k bytes at a time
- unsigned char buffer[4096];
- size_t buffer_size;
- off_t file_offset = offset;
- while (size > 0) {
- if (size > sizeof(buffer)) {
- buffer_size = sizeof(buffer);
- size -= buffer_size;
- } else {
- buffer_size = size;
- size = 0;
- }
-
- if (!walker->ReadBytes(buffer, buffer_size, file_offset))
- return;
-
- (this->*update_function_)(buffer, buffer_size);
- file_offset += buffer_size;
- }
-}
-
-bool MachoID::UUIDCommand(cpu_type_t cpu_type,
- cpu_subtype_t cpu_subtype,
- unsigned char bytes[16]) {
- struct breakpad_uuid_command uuid_cmd;
- uuid_cmd.cmd = 0;
- if (!WalkHeader(cpu_type, cpu_subtype, UUIDWalkerCB, &uuid_cmd))
- return false;
-
- // If we found the command, we'll have initialized the uuid_command
- // structure
- if (uuid_cmd.cmd == LC_UUID) {
- memcpy(bytes, uuid_cmd.uuid, sizeof(uuid_cmd.uuid));
- return true;
- }
-
- return false;
-}
-
-bool MachoID::IDCommand(cpu_type_t cpu_type,
- cpu_subtype_t cpu_subtype,
- unsigned char identifier[16]) {
- struct dylib_command dylib_cmd;
- dylib_cmd.cmd = 0;
- if (!WalkHeader(cpu_type, cpu_subtype, IDWalkerCB, &dylib_cmd))
- return false;
-
- // If we found the command, we'll have initialized the dylib_command
- // structure
- if (dylib_cmd.cmd == LC_ID_DYLIB) {
- // Take the hashed filename, version, and compatability version bytes
- // to form the first 12 bytes, pad the rest with zeros
-
- // create a crude hash of the filename to generate the first 4 bytes
- identifier[0] = 0;
- identifier[1] = 0;
- identifier[2] = 0;
- identifier[3] = 0;
-
- for (int j = 0, i = (int)strlen(path_)-1; i>=0 && path_[i]!='/'; ++j, --i) {
- identifier[j%4] += path_[i];
- }
-
- identifier[4] = (dylib_cmd.dylib.current_version >> 24) & 0xFF;
- identifier[5] = (dylib_cmd.dylib.current_version >> 16) & 0xFF;
- identifier[6] = (dylib_cmd.dylib.current_version >> 8) & 0xFF;
- identifier[7] = dylib_cmd.dylib.current_version & 0xFF;
- identifier[8] = (dylib_cmd.dylib.compatibility_version >> 24) & 0xFF;
- identifier[9] = (dylib_cmd.dylib.compatibility_version >> 16) & 0xFF;
- identifier[10] = (dylib_cmd.dylib.compatibility_version >> 8) & 0xFF;
- identifier[11] = dylib_cmd.dylib.compatibility_version & 0xFF;
- identifier[12] = (cpu_type >> 24) & 0xFF;
- identifier[13] = (cpu_type >> 16) & 0xFF;
- identifier[14] = (cpu_type >> 8) & 0xFF;
- identifier[15] = cpu_type & 0xFF;
-
- return true;
- }
-
- return false;
-}
-
-uint32_t MachoID::Adler32(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype) {
- update_function_ = &MachoID::UpdateCRC;
- crc_ = 0;
-
- if (!WalkHeader(cpu_type, cpu_subtype, WalkerCB, this))
- return 0;
-
- return crc_;
-}
-
-bool MachoID::MD5(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype, unsigned char identifier[16]) {
- update_function_ = &MachoID::UpdateMD5;
-
- MD5Init(&md5_context_);
-
- if (!WalkHeader(cpu_type, cpu_subtype, WalkerCB, this))
- return false;
-
- MD5Final(identifier, &md5_context_);
- return true;
-}
-
-bool MachoID::WalkHeader(cpu_type_t cpu_type,
- cpu_subtype_t cpu_subtype,
- MachoWalker::LoadCommandCallback callback,
- void *context) {
- if (memory_) {
- MachoWalker walker(memory_, memory_size_, callback, context);
- return walker.WalkHeader(cpu_type, cpu_subtype);
- } else {
- MachoWalker walker(path_, callback, context);
- return walker.WalkHeader(cpu_type, cpu_subtype);
- }
-}
-
-// static
-bool MachoID::WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
- bool swap, void *context) {
- MachoID *macho_id = (MachoID *)context;
-
- if (cmd->cmd == LC_SEGMENT) {
- struct segment_command seg;
-
- if (!walker->ReadBytes(&seg, sizeof(seg), offset))
- return false;
-
- if (swap)
- breakpad_swap_segment_command(&seg);
-
- struct mach_header_64 header;
- off_t header_offset;
-
- if (!walker->CurrentHeader(&header, &header_offset))
- return false;
-
- // Process segments that have sections:
- // (e.g., __TEXT, __DATA, __IMPORT, __OBJC)
- offset += sizeof(struct segment_command);
- struct section sec;
- for (unsigned long i = 0; i < seg.nsects; ++i) {
- if (!walker->ReadBytes(&sec, sizeof(sec), offset))
- return false;
-
- if (swap)
- breakpad_swap_section(&sec, 1);
-
- // sections of type S_ZEROFILL are "virtual" and contain no data
- // in the file itself
- if ((sec.flags & SECTION_TYPE) != S_ZEROFILL && sec.offset != 0)
- macho_id->Update(walker, header_offset + sec.offset, sec.size);
-
- offset += sizeof(struct section);
- }
- } else if (cmd->cmd == LC_SEGMENT_64) {
- struct segment_command_64 seg64;
-
- if (!walker->ReadBytes(&seg64, sizeof(seg64), offset))
- return false;
-
- if (swap)
- breakpad_swap_segment_command_64(&seg64);
-
- struct mach_header_64 header;
- off_t header_offset;
-
- if (!walker->CurrentHeader(&header, &header_offset))
- return false;
-
- // Process segments that have sections:
- // (e.g., __TEXT, __DATA, __IMPORT, __OBJC)
- offset += sizeof(struct segment_command_64);
- struct section_64 sec64;
- for (unsigned long i = 0; i < seg64.nsects; ++i) {
- if (!walker->ReadBytes(&sec64, sizeof(sec64), offset))
- return false;
-
- if (swap)
- breakpad_swap_section_64(&sec64, 1);
-
- // sections of type S_ZEROFILL are "virtual" and contain no data
- // in the file itself
- if ((sec64.flags & SECTION_TYPE) != S_ZEROFILL && sec64.offset != 0)
- macho_id->Update(walker,
- header_offset + sec64.offset,
- (size_t)sec64.size);
-
- offset += sizeof(struct section_64);
- }
- }
-
- // Continue processing
- return true;
-}
-
-// static
-bool MachoID::UUIDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
- bool swap, void *context) {
- if (cmd->cmd == LC_UUID) {
- struct breakpad_uuid_command *uuid_cmd =
- (struct breakpad_uuid_command *)context;
-
- if (!walker->ReadBytes(uuid_cmd, sizeof(struct breakpad_uuid_command),
- offset))
- return false;
-
- if (swap)
- breakpad_swap_uuid_command(uuid_cmd);
-
- return false;
- }
-
- // Continue processing
- return true;
-}
-
-// static
-bool MachoID::IDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
- bool swap, void *context) {
- if (cmd->cmd == LC_ID_DYLIB) {
- struct dylib_command *dylib_cmd = (struct dylib_command *)context;
-
- if (!walker->ReadBytes(dylib_cmd, sizeof(struct dylib_command), offset))
- return false;
-
- if (swap)
- breakpad_swap_dylib_command(dylib_cmd);
-
- return false;
- }
-
- // Continue processing
- return true;
-}
-
-} // namespace MacFileUtilities
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