Mercurial > dropbear-fuzzcorpus
comparison make_fuzzinput.py @ 0:ec5e2b121e57
Dropbear fuzz corpus
| author | Matt Johnston <matt@ucc.asn.au> |
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| date | Mon, 22 May 2017 22:44:32 +0800 |
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| -1:000000000000 | 0:ec5e2b121e57 |
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| 1 #!/usr/bin/env python3 | |
| 2 | |
| 3 # A fuzz input consists of a SSH-string header followed by the SSH stream. | |
| 4 # This program prepends a basic prefix. | |
| 5 | |
| 6 import struct | |
| 7 import sys | |
| 8 | |
| 9 stream = sys.stdin.buffer.read() | |
| 10 | |
| 11 header = b'' | |
| 12 # uint32 wrapfd random seed | |
| 13 header += struct.pack(">I", 0xafaf1234) | |
| 14 | |
| 15 # prepend length | |
| 16 header = struct.pack(">I", len(header)) + header | |
| 17 sys.stdout.buffer.write(header) | |
| 18 sys.stdout.buffer.write(stream) |