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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc b/toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc new file mode 100644 index 0000000000..5f05b51052 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/processor/exploitability.cc @@ -0,0 +1,120 @@ +// Copyright (c) 2010 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. + +// exploitability_engine.cc: Generic exploitability engine. +// +// See exploitable_engine.h for documentation. +// +// Author: Cris Neckar + + +#include <cassert> + +#include "common/scoped_ptr.h" +#include "google_breakpad/processor/exploitability.h" +#include "google_breakpad/processor/minidump.h" +#include "google_breakpad/processor/process_state.h" +#include "processor/exploitability_linux.h" +#include "processor/exploitability_win.h" +#include "processor/logging.h" + +namespace google_breakpad { + +Exploitability::Exploitability(Minidump *dump, + ProcessState *process_state) + : dump_(dump), + process_state_(process_state) {} + +ExploitabilityRating Exploitability::CheckExploitability() { + return CheckPlatformExploitability(); +} + +Exploitability *Exploitability::ExploitabilityForPlatform( + Minidump *dump, + ProcessState *process_state) { + return ExploitabilityForPlatform(dump, process_state, false); +} + +Exploitability *Exploitability::ExploitabilityForPlatform( + Minidump *dump, + ProcessState *process_state, + bool enable_objdump) { + Exploitability *platform_exploitability = NULL; + MinidumpSystemInfo *minidump_system_info = dump->GetSystemInfo(); + if (!minidump_system_info) + return NULL; + + const MDRawSystemInfo *raw_system_info = + minidump_system_info->system_info(); + if (!raw_system_info) + return NULL; + + switch (raw_system_info->platform_id) { + case MD_OS_WIN32_NT: + case MD_OS_WIN32_WINDOWS: { + platform_exploitability = new ExploitabilityWin(dump, process_state); + break; + } + case MD_OS_LINUX: { + platform_exploitability = new ExploitabilityLinux(dump, + process_state, + enable_objdump); + break; + } + case MD_OS_MAC_OS_X: + case MD_OS_IOS: + case MD_OS_UNIX: + case MD_OS_SOLARIS: + case MD_OS_ANDROID: + case MD_OS_PS3: + case MD_OS_FUCHSIA: + default: { + platform_exploitability = NULL; + break; + } + } + + BPLOG_IF(ERROR, !platform_exploitability) << + "No Exploitability module for platform: " << + process_state->system_info()->os; + return platform_exploitability; +} + +bool Exploitability::AddressIsAscii(uint64_t address) { + for (int i = 0; i < 8; i++) { + uint8_t byte = (address >> (8*i)) & 0xff; + if ((byte >= ' ' && byte <= '~') || byte == 0) + continue; + return false; + } + return true; +} + +} // namespace google_breakpad + |