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@@ -12,6 +12,10 b' PyMODINIT_FUNC initparsers(void);' | |||
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12 | 12 | |
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13 | 13 | static char cpypath[8192] = "\0"; |
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14 | 14 | |
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15 | static PyCodeObject *code; | |
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16 | static PyObject *mainmod; | |
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17 | static PyObject *globals; | |
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18 | ||
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15 | 19 | extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) |
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16 | 20 | { |
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17 | 21 | const std::string subdir = "/sanpy/lib/python2.7"; |
@@ -35,20 +39,8 b' extern "C" int LLVMFuzzerInitialize(int ' | |||
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35 | 39 | setenv("PYTHONUSERBASE", cpypath, 1); |
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36 | 40 | Py_SetPythonHome(cpypath); |
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37 | 41 | Py_InitializeEx(0); |
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38 | return 0; | |
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39 | } | |
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40 | ||
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41 | int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) | |
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42 | { | |
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43 | 42 | initparsers(); |
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44 | PyObject *mtext = | |
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45 | PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size); | |
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46 | PyObject *mainmod = PyImport_AddModule("__main__"); | |
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47 | PyObject *globals = PyModule_GetDict(mainmod); | |
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48 | PyObject *locals = PyDict_New(); | |
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49 | PyDict_SetItemString(locals, "mdata", mtext); | |
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50 | PyCodeObject *code = | |
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51 | (PyCodeObject *)Py_CompileString(R"py( | |
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43 | code = (PyCodeObject *)Py_CompileString(R"py( | |
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52 | 44 | from parsers import lazymanifest |
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53 | 45 | try: |
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54 | 46 | lm = lazymanifest(mdata) |
@@ -67,13 +59,23 b' except Exception as e:' | |||
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67 | 59 | # to debug failures. |
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68 | 60 | # print e |
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69 | 61 | )py", |
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70 | "fuzzer", Py_file_input); | |
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62 | "fuzzer", Py_file_input); | |
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63 | mainmod = PyImport_AddModule("__main__"); | |
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64 | globals = PyModule_GetDict(mainmod); | |
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65 | return 0; | |
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66 | } | |
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67 | ||
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68 | int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) | |
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69 | { | |
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70 | PyObject *mtext = | |
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71 | PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size); | |
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72 | PyObject *locals = PyDict_New(); | |
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73 | PyDict_SetItemString(locals, "mdata", mtext); | |
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71 | 74 | PyObject *res = PyEval_EvalCode(code, globals, locals); |
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72 | 75 | if (!res) { |
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73 | 76 | PyErr_Print(); |
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74 | 77 | } |
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75 | 78 | Py_XDECREF(res); |
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76 | Py_DECREF(code); | |
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77 | 79 | Py_DECREF(locals); |
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78 | 80 | Py_DECREF(mtext); |
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79 | 81 | return 0; // Non-zero return values are reserved for future use. |
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