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authorh1994st <h1994st@gmail.com>2020-03-04 01:09:37 -0500
committerh1994st <h1994st@gmail.com>2020-03-04 01:09:37 -0500
commit38e7dd2b9efbd9c6cda47774630a82660d3156b3 (patch)
treeb889bbc0c5c07f5f84b50253d675390305953c0b /examples/python_mutators/simple-chunk-replace.py
parent42ce48db39ba487caeb9477535364170fccf956a (diff)
downloadafl++-38e7dd2b9efbd9c6cda47774630a82660d3156b3.tar.gz
Update examples of the custom mutator
- Merge `examples/python_mutators` into `examples/custom_mutators` - Remove `examples/python_mutators` - Update existing examples to demonstrate new APIs
Diffstat (limited to 'examples/python_mutators/simple-chunk-replace.py')
-rw-r--r--examples/python_mutators/simple-chunk-replace.py59
1 files changed, 0 insertions, 59 deletions
diff --git a/examples/python_mutators/simple-chunk-replace.py b/examples/python_mutators/simple-chunk-replace.py
deleted file mode 100644
index 218dd4f8..00000000
--- a/examples/python_mutators/simple-chunk-replace.py
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-'''
-Simple Chunk Cross-Over Replacement Module for AFLFuzz
-
-@author: Christian Holler (:decoder)
-
-@license:
-
-This Source Code Form is subject to the terms of the Mozilla Public
-License, v. 2.0. If a copy of the MPL was not distributed with this
-file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-@contact: choller@mozilla.com
-'''
-
-import random
-
-def init(seed):
- '''
- Called once when AFLFuzz starts up. Used to seed our RNG.
-
- @type seed: int
- @param seed: A 32-bit random value
- '''
- # Seed our RNG
- random.seed(seed)
- return 0
-
-def fuzz(buf, add_buf):
- '''
- Called per fuzzing iteration.
-
- @type buf: bytearray
- @param buf: The buffer that should be mutated.
-
- @type add_buf: bytearray
- @param add_buf: A second buffer that can be used as mutation source.
-
- @rtype: bytearray
- @return: A new bytearray containing the mutated data
- '''
- # Make a copy of our input buffer for returning
- ret = bytearray(buf)
-
- # Take a random fragment length between 2 and 32 (or less if add_buf is shorter)
- fragment_len = random.randint(1, min(len(add_buf), 32))
-
- # Determine a random source index where to take the data chunk from
- rand_src_idx = random.randint(0, len(add_buf) - fragment_len)
-
- # Determine a random destination index where to put the data chunk
- rand_dst_idx = random.randint(0, len(buf))
-
- # Make the chunk replacement
- ret[rand_dst_idx:rand_dst_idx + fragment_len] = add_buf[rand_src_idx:rand_src_idx + fragment_len]
-
- # Return data
- return ret