1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
1.4 +// Copyright (c) 2010 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 +// exploitability_engine.cc: Generic exploitability engine.
1.34 +//
1.35 +// See exploitable_engine.h for documentation.
1.36 +//
1.37 +// Author: Cris Neckar
1.38 +
1.39 +
1.40 +#include <cassert>
1.41 +
1.42 +#include "common/scoped_ptr.h"
1.43 +#include "google_breakpad/processor/exploitability.h"
1.44 +#include "google_breakpad/processor/minidump.h"
1.45 +#include "google_breakpad/processor/process_state.h"
1.46 +#include "processor/exploitability_win.h"
1.47 +#include "processor/logging.h"
1.48 +
1.49 +namespace google_breakpad {
1.50 +
1.51 +Exploitability::Exploitability(Minidump *dump,
1.52 + ProcessState *process_state)
1.53 + : dump_(dump),
1.54 + process_state_(process_state) {}
1.55 +
1.56 +ExploitabilityRating Exploitability::CheckExploitability() {
1.57 + return CheckPlatformExploitability();
1.58 +}
1.59 +
1.60 +Exploitability *Exploitability::ExploitabilityForPlatform(
1.61 + Minidump *dump,
1.62 + ProcessState *process_state) {
1.63 + Exploitability *platform_exploitability = NULL;
1.64 + MinidumpSystemInfo *minidump_system_info = dump->GetSystemInfo();
1.65 + if (!minidump_system_info)
1.66 + return NULL;
1.67 +
1.68 + const MDRawSystemInfo *raw_system_info =
1.69 + minidump_system_info->system_info();
1.70 + if (!raw_system_info)
1.71 + return NULL;
1.72 +
1.73 + switch (raw_system_info->platform_id) {
1.74 + case MD_OS_WIN32_NT:
1.75 + case MD_OS_WIN32_WINDOWS: {
1.76 + platform_exploitability = new ExploitabilityWin(dump,
1.77 + process_state);
1.78 + break;
1.79 + }
1.80 + case MD_OS_MAC_OS_X:
1.81 + case MD_OS_IOS:
1.82 + case MD_OS_LINUX:
1.83 + case MD_OS_UNIX:
1.84 + case MD_OS_SOLARIS:
1.85 + case MD_OS_ANDROID:
1.86 + default: {
1.87 + platform_exploitability = NULL;
1.88 + break;
1.89 + }
1.90 + }
1.91 +
1.92 + BPLOG_IF(ERROR, !platform_exploitability) <<
1.93 + "No Exploitability module for platform: " <<
1.94 + process_state->system_info()->os;
1.95 + return platform_exploitability;
1.96 +}
1.97 +
1.98 +bool Exploitability::AddressIsAscii(uint64_t address) {
1.99 + for (int i = 0; i < 8; i++) {
1.100 + uint8_t byte = (address >> (8*i)) & 0xff;
1.101 + if ((byte >= ' ' && byte <= '~') || byte == 0)
1.102 + continue;
1.103 + return false;
1.104 + }
1.105 + return true;
1.106 +}
1.107 +
1.108 +} // namespace google_breakpad
1.109 +
