tun_path = '/dev/net/tun'
hostaddr = socket.gethostbyname(socket.gethostname())
-usage = "usage: %prog [options] <remote-endpoint>"
+usage = "usage: %prog [options]"
parser = optparse.OptionParser(usage=usage)
default = "/dev/net/tun",
help = "TUN/TAP device file path or file descriptor number")
parser.add_option(
- "-p", "--port", dest="port", metavar="PORT", type="int",
+ "-p", "--peer-port", dest="peer_port", metavar="PEER_PORT", type="int",
default = 15000,
- help = "Peering TCP port to connect or listen to.")
+ help = "Remote TCP/UDP port to connect to.")
parser.add_option(
"--pass-fd", dest="pass_fd", metavar="UNIX_SOCKET",
default = None,
"If given, all other connectivity options are ignored, tun_connect will "
"simply wait to be killed after passing the file descriptor, and it will be "
"the receiver's responsability to handle the tunneling.")
-
parser.add_option(
"-m", "--mode", dest="mode", metavar="MODE",
default = "none",
"by using the proper interface (tunctl for tun/tap, /vsys/fd_tuntap.control for pl-tun/pl-tap), "
"and it will be brought up (with ifconfig for tun/tap, with /vsys/vif_up for pl-tun/pl-tap). You have "
"to specify an VIF_ADDRESS and VIF_MASK in any case (except for none).")
+parser.add_option(
+ "-t", "--protocol", dest="protocol", metavar="PROTOCOL",
+ default = None,
+ help =
+ "Set protocol. One of tcp, udp, fd, gre. In any mode except none, a TUN/TAP will be created.")
parser.add_option(
"-A", "--vif-address", dest="vif_addr", metavar="VIF_ADDRESS",
default = None,
help =
"See mode. This specifies the VIF_MASK, "
"a number indicating the network type (ie: 24 for a C-class network).")
+parser.add_option(
+ "-P", "--port", dest="port", type="int", metavar="PORT",
+ default = None,
+ help =
+ "This specifies the LOCAL_PORT. This will be the local bind port for UDP/TCP.")
parser.add_option(
"-S", "--vif-snat", dest="vif_snat",
action = "store_true",
default = False,
help = "See mode. This specifies whether SNAT will be enabled for the virtual interface. " )
parser.add_option(
- "-P", "--vif-pointopoint", dest="vif_pointopoint", metavar="DST_ADDR",
+ "-Z", "--vif-pointopoint", dest="vif_pointopoint", metavar="DST_ADDR",
default = None,
help =
"See mode. This specifies the remote endpoint's virtual address, "
help =
"This specifies the interface's emulated bandwidth in bytes per second." )
parser.add_option(
- "-u", "--udp", dest="udp", metavar="PORT", type="int",
+ "-a", "--peer-address", dest="peer_addr", metavar="PEER_ADDRESS",
default = None,
help =
- "Bind to the specified UDP port locally, and send UDP datagrams to the "
- "remote endpoint, creating a tunnel through UDP rather than TCP." )
+ "This specifies the PEER_ADDRESS, "
+ "the IP address of the remote interface.")
parser.add_option(
"-k", "--key", dest="cipher_key", metavar="KEY",
default = None,
help = "If specified, packets won't be logged to standard output, "
"but dumped to a pcap-formatted trace in the specified file. " )
-(options, remaining_args) = parser.parse_args(sys.argv[1:])
+(options,args) = parser.parse_args(sys.argv[1:])
options.cipher = {
'aes' : 'AES',
stdin.write("txqueuelen=%d\n" % (options.vif_txqueuelen,))
if options.mode.startswith('pl-gre'):
stdin.write("gre=%s\n" % (options.gre_key,))
- stdin.write("remote=%s\n" % (remaining_args[0],))
+ stdin.write("remote=%s\n" % (options.peer_addr,))
stdin.close()
t.join()
with_pi = options.mode.startswith('pl-'),
ether_mode = tun_name.startswith('tap'),
cipher_key = options.cipher_key,
- udp = options.udp,
+ udp = options.protocol == 'udp',
TERMINATE = TERMINATE,
stderr = None,
reconnect = reconnect,
return 1
- if options.pass_fd:
+ if options.protocol == 'fd':
if accept_packet or filter_init:
raise NotImplementedError, "--pass-fd and --filter are not compatible"
while not TERM:
time.sleep(1)
remote = None
- elif options.mode.startswith('pl-gre'):
+ elif options.protocol == "gre":
if accept_packet or filter_init:
raise NotImplementedError, "--mode %s and --filter are not compatible" % (options.mode,)
TERM = TERMINATE
while not TERM:
time.sleep(1)
- remote = remaining_args[0]
- elif options.udp:
+ remote = options.peer_addr
+ elif options.protocol == "udp":
# connect to remote endpoint
- if remaining_args and not remaining_args[0].startswith('-'):
- print >>sys.stderr, "Listening at: %s:%d" % (hostaddr,options.udp)
- print >>sys.stderr, "Connecting to: %s:%d" % (remaining_args[0],options.port)
- rsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0)
- retrydelay = 1.0
- for i in xrange(30):
- if TERMINATE:
- raise OSError, "Killed"
- try:
- rsock.bind((hostaddr,options.udp))
- break
- except socket.error:
- # wait a while, retry
- print >>sys.stderr, "%s: Could not bind. Retrying in a sec..." % (time.strftime('%c'),)
- time.sleep(min(30.0,retrydelay))
- retrydelay *= 1.1
- else:
- rsock.bind((hostaddr,options.udp))
- rsock.connect((remaining_args[0],options.port))
+ if options.peer_addr and options.peer_port:
+ rsock = tunchannel.udp_establish(TERMINATE, hostaddr, options.port,
+ options.peer_addr, options.peer_port)
+ remote = os.fdopen(rsock.fileno(), 'r+b', 0)
else:
print >>sys.stderr, "Error: need a remote endpoint in UDP mode"
raise AssertionError, "Error: need a remote endpoint in UDP mode"
-
- # Wait for other peer
- tunchannel.udp_handshake(TERMINATE, rsock)
-
- remote = os.fdopen(rsock.fileno(), 'r+b', 0)
- else:
+ elif options.protocol == "tcp":
# connect to remote endpoint
- if remaining_args and not remaining_args[0].startswith('-'):
- print >>sys.stderr, "Connecting to: %s:%d" % (remaining_args[0],options.port)
- rsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
- retrydelay = 1.0
- for i in xrange(30):
- if TERMINATE:
- raise OSError, "Killed"
- try:
- rsock.connect((remaining_args[0],options.port))
- break
- except socket.error:
- # wait a while, retry
- print >>sys.stderr, "%s: Could not connect. Retrying in a sec..." % (time.strftime('%c'),)
- time.sleep(min(30.0,retrydelay))
- retrydelay *= 1.1
- else:
- rsock.connect((remaining_args[0],options.port))
+ if options.peer_addr and options.peer_port:
+ rsock = tunchannel.tcp_establish(TERMINATE, hostaddr, options.port,
+ options.peer_addr, options.peer_port)
+ remote = os.fdopen(rsock.fileno(), 'r+b', 0)
else:
- print >>sys.stderr, "Listening at: %s:%d" % (hostaddr,options.port)
- lsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
- retrydelay = 1.0
- for i in xrange(30):
- if TERMINATE:
- raise OSError, "Killed"
- try:
- lsock.bind((hostaddr,options.port))
- break
- except socket.error:
- # wait a while, retry
- print >>sys.stderr, "%s: Could not bind. Retrying in a sec..." % (time.strftime('%c'),)
- time.sleep(min(30.0,retrydelay))
- retrydelay *= 1.1
- else:
- lsock.bind((hostaddr,options.port))
- lsock.listen(1)
- rsock,raddr = lsock.accept()
- remote = os.fdopen(rsock.fileno(), 'r+b', 0)
+ print >>sys.stderr, "Error: need a remote endpoint in TCP mode"
+ raise AssertionError, "Error: need a remote endpoint in TCP mode"
+ else:
+ msg = "Error: Invalid protocol %s" % options.protocol
+ print >>sys.stderr, msg
+ raise AssertionError, msg
if filter_init:
filter_local, filter_remote = filter_init()
git://git.onelab.eu / nepi.git / blobdiff