119 lines
3.4 KiB
Python
Executable File
119 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# TRX Toolkit
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# Auxiliary tool to send custom commands via TRX CTRL interface,
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# which may be useful for testing and fuzzing
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#
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# (C) 2017-2018 by Vadim Yanitskiy <axilirator@gmail.com>
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#
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# All Rights Reserved
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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APP_CR_HOLDERS = [("2017-2018", "Vadim Yanitskiy <axilirator@gmail.com>")]
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import logging as log
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import signal
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import argparse
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import select
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import sys
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from app_common import ApplicationBase
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from udp_link import UDPLink
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class Application(ApplicationBase):
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def __init__(self):
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self.app_print_copyright(APP_CR_HOLDERS)
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self.argv = self.parse_argv()
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# Set up signal handlers
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signal.signal(signal.SIGINT, self.sig_handler)
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# Configure logging
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self.app_init_logging(self.argv)
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# Init UDP connection
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self.ctrl_link = UDPLink(
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self.argv.remote_addr, self.argv.base_port + 1,
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self.argv.bind_addr, self.argv.bind_port)
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# Debug print
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log.info("Init TRXC interface (%s)" \
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% self.ctrl_link.desc_link())
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def parse_argv(self):
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parser = argparse.ArgumentParser(prog = "ctrl_cmd",
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description = "Auxiliary tool to send control commands")
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# Register common logging options
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self.app_reg_logging_options(parser)
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trx_group = parser.add_argument_group("TRX interface")
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trx_group.add_argument("-r", "--remote-addr",
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dest = "remote_addr", type = str, default = "127.0.0.1",
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help = "Set remote address (default %(default)s)")
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trx_group.add_argument("-b", "--bind-addr",
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dest = "bind_addr", type = str, default = "0.0.0.0",
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help = "Set bind address (default %(default)s)")
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trx_group.add_argument("-p", "--base-port",
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dest = "base_port", type = int, default = 6700,
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help = "Set base port number (default %(default)s)")
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trx_group.add_argument("-P", "--bind-port",
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dest = "bind_port", type = int, default = 0,
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help = "Set bind port number (default random)")
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trx_group.add_argument("-f", "--fuzzing",
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dest = "fuzzing", action = "store_true",
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help = "Send raw payloads (without CMD)")
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return parser.parse_args()
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def run(self):
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while True:
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self.print_prompt()
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# Wait until we get any data on any socket
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socks = [sys.stdin, self.ctrl_link.sock]
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r_event, w_event, x_event = select.select(socks, [], [])
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# Check for incoming CTRL commands
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if sys.stdin in r_event:
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cmd = sys.stdin.readline()
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self.handle_cmd(cmd)
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if self.ctrl_link.sock in r_event:
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data, addr = self.ctrl_link.sock.recvfrom(128)
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sys.stdout.write("\r%s\n" % data.decode())
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sys.stdout.flush()
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def handle_cmd(self, cmd):
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# Strip spaces, tabs, etc.
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cmd = cmd.strip().strip("\0")
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# Send a command
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if self.argv.fuzzing:
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self.ctrl_link.send("%s" % cmd)
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else:
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self.ctrl_link.send("CMD %s\0" % cmd)
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def print_prompt(self):
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sys.stdout.write("TRXC# ")
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sys.stdout.flush()
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def sig_handler(self, signum, frame):
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log.info("Signal %d received" % signum)
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if signum == signal.SIGINT:
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sys.exit(0)
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if __name__ == '__main__':
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app = Application()
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app.run()
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