sshuttle/sshuttle/cmdline.py
2017-11-13 11:58:43 +11:00

94 lines
3.4 KiB
Python

import re
import socket
import sshuttle.helpers as helpers
import sshuttle.client as client
import sshuttle.firewall as firewall
import sshuttle.hostwatch as hostwatch
import sshuttle.ssyslog as ssyslog
from sshuttle.options import parser, parse_ipport
from sshuttle.helpers import family_ip_tuple, log, Fatal
def main():
opt = parser.parse_args()
if opt.daemon:
opt.syslog = 1
if opt.wrap:
import sshuttle.ssnet as ssnet
ssnet.MAX_CHANNEL = opt.wrap
helpers.verbose = opt.verbose
try:
if opt.firewall:
if opt.subnets or opt.subnets_file:
parser.error('exactly zero arguments expected')
return firewall.main(opt.method, opt.syslog)
elif opt.hostwatch:
return hostwatch.hw_main(opt.subnets, opt.auto_hosts)
else:
includes = opt.subnets + opt.subnets_file
excludes = opt.exclude
if not includes and not opt.auto_nets:
parser.error('at least one subnet, subnet file, '
'or -N expected')
remotename = opt.remote
if remotename == '' or remotename == '-':
remotename = None
nslist = [family_ip_tuple(ns) for ns in opt.ns_hosts]
if opt.seed_hosts:
sh = re.split(r'[\s,]+', (opt.seed_hosts or "").strip())
elif opt.auto_hosts:
sh = []
else:
sh = None
if opt.listen:
ipport_v6 = None
ipport_v4 = None
lst = opt.listen.split(",")
for ip in lst:
family, ip, port = parse_ipport(ip)
if family == socket.AF_INET6:
ipport_v6 = (ip, port)
else:
ipport_v4 = (ip, port)
else:
# parse_ipport4('127.0.0.1:0')
ipport_v4 = "auto"
# parse_ipport6('[::1]:0')
ipport_v6 = "auto" if not opt.disable_ipv6 else None
if opt.syslog:
ssyslog.start_syslog()
ssyslog.stderr_to_syslog()
return_code = client.main(ipport_v6, ipport_v4,
opt.ssh_cmd,
remotename,
opt.python,
opt.latency_control,
opt.dns,
nslist,
opt.method,
sh,
opt.auto_hosts,
opt.auto_nets,
includes,
excludes,
opt.daemon,
opt.to_ns,
opt.pidfile,
opt.user)
if return_code == 0:
log('Normal exit code, exiting...')
else:
log('Abnormal exit code detected, failing...' % return_code)
return return_code
except Fatal as e:
log('fatal: %s\n' % e)
return 99
except KeyboardInterrupt:
log('\n')
log('Keyboard interrupt: exiting.\n')
return 1