def start_hostwatch(seed_hosts):
s1, s2 = socket.socketpair()
pid = os.fork()
if not pid:
# child
rv = 99
try:
try:
s2.close()
os.dup2(s1.fileno(), 1)
os.dup2(s1.fileno(), 0)
s1.close()
rv = hostwatch.hw_main(seed_hosts) or 0
except Exception:
log('%s\n' % _exc_dump())
rv = 98
finally:
os._exit(rv)
s1.close()
return pid, s2
def start_hostwatch(seed_hosts):
s1, s2 = socket.socketpair()
pid = os.fork()
if not pid:
# child
rv = 99
try:
try:
s2.close()
os.dup2(s1.fileno(), 1)
os.dup2(s1.fileno(), 0)
s1.close()
rv = hostwatch.hw_main(seed_hosts) or 0
except Exception:
log('%s\n' % _exc_dump())
rv = 98
finally:
os._exit(rv)
s1.close()
return pid, s2
o = options.Options('sshuttle', optspec)
(opt, flags, extra) = o.parse(sys.argv[1:])
helpers.verbose = opt.verbose
try:
if opt.server:
if len(extra) != 0:
o.fatal('no arguments expected')
sys.exit(server.main())
elif opt.firewall:
if len(extra) != 1:
o.fatal('exactly one argument expected')
sys.exit(firewall.main(int(extra[0])))
elif opt.hostwatch:
sys.exit(hostwatch.hw_main(extra))
else:
if len(extra) < 1 and not opt.auto_nets:
o.fatal('at least one subnet (or -N) expected')
remotename = opt.remote
if remotename == '' or remotename == '-':
remotename = None
if opt.seed_hosts and not opt.auto_hosts:
o.fatal('--seed-hosts only works if you also use -H')
if opt.seed_hosts:
sh = re.split(r'[\s,]+', (opt.seed_hosts or "").strip())
elif opt.auto_hosts:
sh = []
else:
sh = None
sys.exit(client.main(parse_ipport(opt.listen or '0.0.0.0:0'),
helpers.verbose = opt.verbose
try:
if opt.server:
if len(extra) != 0:
o.fatal('no arguments expected')
server.latency_control = opt.latency_control
sys.exit(server.main())
elif opt.firewall:
if len(extra) != 6:
o.fatal('exactly six arguments expected')
sys.exit(
firewall.main(int(extra[0]), int(extra[1]), int(extra[2]),
int(extra[3]), extra[4], int(extra[5]), opt.syslog))
elif opt.hostwatch:
sys.exit(hostwatch.hw_main(extra))
else:
if len(extra) < 1 and not opt.auto_nets and not opt.subnets:
o.fatal('at least one subnet, subnet file, or -N expected')
includes = extra
excludes = ['127.0.0.0/8']
for k, v in flags:
if k in ('-x', '--exclude'):
excludes.append(v)
if k in ('-X', '--exclude-from'):
excludes += open(v).read().split()
remotename = opt.remote
if remotename == '' or remotename == '-':
remotename = None
if opt.seed_hosts and not opt.auto_hosts:
o.fatal('--seed-hosts only works if you also use -H')