diff options
Diffstat (limited to 'src/afl-fuzz-python.c')
| -rw-r--r-- | src/afl-fuzz-python.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/afl-fuzz-python.c b/src/afl-fuzz-python.c index a43d80bb..54b05978 100644 --- a/src/afl-fuzz-python.c +++ b/src/afl-fuzz-python.c @@ -246,6 +246,8 @@ static py_mutator_t *init_py_module(afl_state_t *afl, u8 *module_name) { PyObject_GetAttrString(py_module, "havoc_mutation_probability"); py_functions[PY_FUNC_QUEUE_GET] = PyObject_GetAttrString(py_module, "queue_get"); + py_functions[PY_FUNC_FUZZ_SEND] = + PyObject_GetAttrString(py_module, "fuzz_send"); py_functions[PY_FUNC_QUEUE_NEW_ENTRY] = PyObject_GetAttrString(py_module, "queue_new_entry"); py_functions[PY_FUNC_INTROSPECTION] = @@ -466,6 +468,12 @@ struct custom_mutator *load_custom_mutator_py(afl_state_t *afl, } + if (py_functions[PY_FUNC_FUZZ_SEND]) { + + mutator->afl_custom_fuzz_send = fuzz_send_py; + + } + if (py_functions[PY_FUNC_QUEUE_NEW_ENTRY]) { mutator->afl_custom_queue_new_entry = queue_new_entry_py; @@ -893,6 +901,43 @@ u8 queue_get_py(void *py_mutator, const u8 *filename) { } +void fuzz_send_py(void *py_mutator, const u8 *buf, size_t buf_size) { + + PyObject *py_args, *py_value; + + py_args = PyTuple_New(1); + py_value = PyByteArray_FromStringAndSize(buf, buf_size); + if (!py_value) { + + Py_DECREF(py_args); + FATAL("Failed to convert arguments"); + + } + + PyTuple_SetItem(py_args, 0, py_value); + + py_value = PyObject_CallObject( + ((py_mutator_t *)py_mutator)->py_functions[PY_FUNC_FUZZ_SEND], py_args); + Py_DECREF(py_args); + + if (py_value != NULL) { + + #if PY_MAJOR_VERSION >= 3 + u32 retcnt = (u32)PyLong_AsLong(py_value); + #else + u32 retcnt = PyInt_AsLong(py_value); + #endif + Py_DECREF(py_value); + + } else { + + PyErr_Print(); + FATAL("Call failed"); + + } + +} + u8 queue_new_entry_py(void *py_mutator, const u8 *filename_new_queue, const u8 *filename_orig_queue) { |