1 // Copyright (c) 2010 Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // exploitability_engine.h: Generic exploitability engine. 31 // 32 // The Exploitability class is an abstract base class providing common 33 // generic methods that apply to exploitability engines for specific platforms. 34 // Specific implementations will extend this class by providing run 35 // methods to fill in the exploitability_ enumeration of the ProcessState 36 // for a crash. 37 // 38 // Author: Cris Neckar 39 40 #ifndef GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ 41 #define GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ 42 43 #include "google_breakpad/common/breakpad_types.h" 44 #include "google_breakpad/processor/minidump.h" 45 #include "google_breakpad/processor/process_state.h" 46 47 namespace google_breakpad { 48 49 class Exploitability { 50 public: ~Exploitability()51 virtual ~Exploitability() {} 52 53 static Exploitability *ExploitabilityForPlatform(Minidump *dump, 54 ProcessState *process_state); 55 56 // The boolean parameter signals whether the exploitability engine is 57 // enabled to call out to objdump for disassembly. This is disabled by 58 // default. It is used to check the identity of the instruction that 59 // caused the program to crash. This should not be enabled if there are 60 // portability concerns. 61 static Exploitability *ExploitabilityForPlatform(Minidump *dump, 62 ProcessState *process_state, 63 bool enable_objdump); 64 65 ExploitabilityRating CheckExploitability(); 66 bool AddressIsAscii(uint64_t); 67 68 protected: 69 Exploitability(Minidump *dump, 70 ProcessState *process_state); 71 72 Minidump *dump_; 73 ProcessState *process_state_; 74 SystemInfo *system_info_; 75 76 private: 77 virtual ExploitabilityRating CheckPlatformExploitability() = 0; 78 }; 79 80 } // namespace google_breakpad 81 82 #endif // GOOGLE_BREAKPAD_PROCESSOR_EXPLOITABILITY_H_ 83