c8dd1d54f9
This CL also consequentially adds a public method to get the number of mappings in a Linux minidump. R=ivanpe@chromium.org Review URL: https://codereview.chromium.org/1291603002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1488 4c0a9323-5329-0410-9bdc-e9ce6186880e
74 lines
3.0 KiB
C++
74 lines
3.0 KiB
C++
// Copyright (c) 2013 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// exploitability_linux.h: Linux specific exploitability engine.
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//
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// Provides a guess at the exploitability of the crash for the Linux
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// platform given a minidump and process_state.
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//
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// Author: Matthew Riley
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#ifndef GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_LINUX_H_
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#define GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_LINUX_H_
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#include "common/scoped_ptr.h"
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#include "google_breakpad/common/breakpad_types.h"
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#include "google_breakpad/processor/exploitability.h"
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namespace google_breakpad {
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class ExploitabilityLinux : public Exploitability {
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public:
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ExploitabilityLinux(Minidump *dump,
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ProcessState *process_state);
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virtual ExploitabilityRating CheckPlatformExploitability();
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private:
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// Takes the address of the instruction pointer and returns
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// whether the instruction pointer lies in a valid instruction region.
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bool InstructionPointerInCode(uint64_t instruction_ptr);
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// Checks the exception that triggered the creation of the
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// minidump and reports whether the exception suggests no exploitability.
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bool BenignCrashTrigger(const MDRawExceptionStream *raw_exception_stream);
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// Checks if the stack pointer points to a memory mapping that is not
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// labelled as the stack.
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bool StackPointerOffStack(uint64_t stack_ptr);
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// Checks if the stack or heap are marked executable according
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// to the memory mappings.
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bool ExecutableStackOrHeap();
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};
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} // namespace google_breakpad
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#endif // GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_LINUX_H_
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