/thirdparty/breakpad/processor/exploitability.cc

http://github.com/tomahawk-player/tomahawk · C++ · 105 lines · 58 code · 14 blank · 33 comment · 8 complexity · 928e8b1fef118c1082471dc17adfd907 MD5 · raw file

  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. // exploitability_engine.cc: Generic exploitability engine.
  30. //
  31. // See exploitable_engine.h for documentation.
  32. //
  33. // Author: Cris Neckar
  34. #include <cassert>
  35. #include "google_breakpad/processor/exploitability.h"
  36. #include "google_breakpad/processor/minidump.h"
  37. #include "google_breakpad/processor/process_state.h"
  38. #include "processor/exploitability_win.h"
  39. #include "processor/logging.h"
  40. #include "processor/scoped_ptr.h"
  41. namespace google_breakpad {
  42. Exploitability::Exploitability(Minidump *dump,
  43. ProcessState *process_state)
  44. : dump_(dump),
  45. process_state_(process_state) {}
  46. ExploitabilityRating Exploitability::CheckExploitability() {
  47. return CheckPlatformExploitability();
  48. }
  49. Exploitability *Exploitability::ExploitabilityForPlatform(
  50. Minidump *dump,
  51. ProcessState *process_state) {
  52. Exploitability *platform_exploitability = NULL;
  53. MinidumpSystemInfo *minidump_system_info = dump->GetSystemInfo();
  54. if (!minidump_system_info)
  55. return NULL;
  56. const MDRawSystemInfo *raw_system_info =
  57. minidump_system_info->system_info();
  58. if (!raw_system_info)
  59. return NULL;
  60. switch (raw_system_info->platform_id) {
  61. case MD_OS_WIN32_NT:
  62. case MD_OS_WIN32_WINDOWS: {
  63. platform_exploitability = new ExploitabilityWin(dump,
  64. process_state);
  65. break;
  66. }
  67. case MD_OS_MAC_OS_X:
  68. case MD_OS_IOS:
  69. case MD_OS_LINUX:
  70. case MD_OS_UNIX:
  71. case MD_OS_SOLARIS:
  72. default: {
  73. platform_exploitability = NULL;
  74. break;
  75. }
  76. }
  77. BPLOG_IF(ERROR, !platform_exploitability) <<
  78. "No Exploitability module for platform: " <<
  79. process_state->system_info()->os;
  80. return platform_exploitability;
  81. }
  82. bool Exploitability::AddressIsAscii(u_int64_t address) {
  83. for (int i = 0; i < 8; i++) {
  84. u_int8_t byte = (address >> (8*i)) & 0xff;
  85. if ((byte >= ' ' && byte <= '~') || byte == 0)
  86. continue;
  87. return false;
  88. }
  89. return true;
  90. }
  91. } // namespace google_breakpad