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.close_stdin()
ssyslog.stdout_to_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,
opt.sudo_pythonpath)
if return_code == 0:
log('Normal exit code, exiting...')
else:
log('Abnormal exit code %d 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
def main():
opt = parser.parse_args()
if opt.sudoers or opt.sudoers_no_modify:
if platform.platform().startswith('OpenBSD'):
log('Automatic sudoers does not work on BSD')
exit(1)
if not opt.sudoers_filename:
log('--sudoers-file must be set or omited.')
exit(1)
sudoers(user_name=opt.sudoers_user,
no_modify=opt.sudoers_no_modify,
file_name=opt.sudoers_filename)
if opt.daemon:
opt.syslog = 1
if opt.wrap:
import sshuttle.ssnet as ssnet
ssnet.MAX_CHANNEL = opt.wrap
if opt.latency_buffer_size:
import sshuttle.ssnet as ssnet
ssnet.LATENCY_BUFFER_SIZE = opt.latency_buffer_size
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:
# parse_subnetports() is used to create a list of includes
# and excludes. It is called once for each parameter and
# returns a list of one or more items for each subnet (it
# can return more than one item when a hostname in the
# parameter resolves to multiple IP addresses. Here, we
# flatten these lists.
includes = [
item for sublist in opt.subnets + opt.subnets_file
for item in sublist
]
excludes = [item for sublist in opt.exclude for item in sublist]
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.close_stdin()
ssyslog.stdout_to_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, opt.sudo_pythonpath)
if return_code == 0:
log('Normal exit code, exiting...')
else:
log('Abnormal exit code %d 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