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+// 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
+