def _check_forward_port(option, opt, value):
result = { }
error = None
splits = value.split(":", 1)
while len(splits) > 0:
key_val = splits[0].split("=")
if len(key_val) != 2:
error = _("Invalid argument %s") % splits[0]
break
(key, val) = key_val
if (key == "if" and checkInterface(val)) or \
(key == "proto" and val in [ "tcp", "udp" ]) or \
(key == "toaddr" and checkIP(val)):
result[key] = val
elif (key == "port" or key == "toport") and getPortRange(val) > 0:
result[key] = getPortRange(val)
else:
error = _("Invalid argument %s") % splits[0]
break
if len(splits) > 1:
if splits[1].count("=") == 1:
# last element
splits = [ splits[1] ]
else:
splits = splits[1].split(":", 1)
else:
# finish
splits.pop()
if error:
dict = { "option": opt, "value": value, "error": error }
raise OptionError(_("option %(option)s: invalid forward_port "
"'%(value)s': %(error)s.") % dict, opt)
error = False
for key in [ "if", "port", "proto" ]:
if key not in result.keys():
error = True
if not "toport" in result.keys() and not "toaddr" in result.keys():
error = True
if error:
dict = { "option": opt, "value": value }
raise OptionError(_("option %(option)s: invalid forward_port "
"'%(value)s'.") % dict, opt)
return result
def forward_port_selection(self, interface=None, protocol=None, port=None,
to_address=None, to_port=None):
_interface = ( interface if interface else "" )
_protocol = ( protocol if protocol else "" )
_port = ( self.__simplePortStr(port) if port else "" )
_to_address = ( to_address if to_address else "" )
_to_port = ( self.__simplePortStr(to_port) if to_port else "" )
while 1:
dialog = GridForm(self.screen, _("Port Forwarding"), 1, 6)
tr = TextboxReflowed(40, _("Please select the source and "
"destination options according "
"to your needs."))
dialog.add(tr, 0, 0, padding=(0,0,0,1), growx=1)
dialog.add(TextboxReflowed(40, _("Source (all needed)")), 0, 1,
padding=(0,0,0,0), growx=1, anchorLeft=1)
grid = Grid(2, 3)
grid.setField(Label(_("Interface:")), 0, 0,
padding=(0,0,1,0), anchorLeft=1)
dialog.interface = Entry(20, text=_interface)
grid.setField(dialog.interface, 1, 0, padding=(0,0,1,0),
anchorLeft=1)
grid.setField(Label(_("Protocol:")), 0, 1,
padding=(0,0,1,0), anchorLeft=1)
dialog.protocol = Entry(20, text=_protocol)
grid.setField(dialog.protocol, 1, 1, padding=(0,0,1,0),
anchorLeft=1)
grid.setField(Label(_("Port / Port Range:")), 0, 2,
padding=(0,0,1,0), anchorLeft=1)
dialog.port = Entry(20, text=_port)
grid.setField(dialog.port, 1, 2, padding=(0,0,1,0),
anchorLeft=1)
dialog.add(grid, 0, 2, padding=(0,0,0,1))
dialog.add(TextboxReflowed(40, _("Destination (at least one "
"needed)")), 0, 3,
padding=(0,0,0,0), growx=1, anchorLeft=1)
grid = None
grid = Grid(2, 2)
grid.setField(Label(_("IP address:")), 0, 0,
padding=(0,0,1,0), anchorLeft=1)
dialog.to_address = Entry(20, text=_to_address)
grid.setField(dialog.to_address, 1, 0, padding=(0,0,1,0),
anchorLeft=1)
grid.setField(Label(_("Port / Port Range:")), 0, 1,
padding=(0,0,1,0), anchorLeft=1)
dialog.to_port = Entry(20, text=_to_port)
grid.setField(dialog.to_port, 1, 1, padding=(0,0,1,0),
anchorLeft=1)
dialog.add(grid, 0, 4, padding=(0,0,0,1))
dialog.bb = ButtonBar(self.screen,
((_("OK"), "ok"), (_("Cancel"), "cancel")))
dialog.add(dialog.bb, 0, 5, growx=1)
res = dialog.bb.buttonPressed(dialog.runPopup())
self.screen.popWindow()
values = (dialog.interface.value(), dialog.protocol.value(),
dialog.port.value(), dialog.to_address.value(),
dialog.to_port.value())
if res == 'ok':
error = False
# interface
_interface = values[0].strip()
if not len(_interface) > 0 or not checkInterface(_interface):
self.error(_("Interface '%s' is not valid.") % _interface)
error = True
else:
interface = _interface
# protocol
_protocol = values[1].strip()
if not _protocol in [ "tcp", "udp" ]:
self.protocol_error(_protocol)
error = True
else:
protocol = _protocol
# port
_port = values[2].strip()
port = getPortRange(_port)
if not (isinstance(port, types.ListType) or \
isinstance(port, types.TupleType)):
self.port_error(_port)
error = True
port = None
# to_address
_to_address = values[3].strip()
if len(_to_address) > 0 and not checkIP(_to_address):
self.error(_("Address '%s' is not valid.") % _to_address)
error = True
to_address = None
else:
to_address = _to_address
# to_port
_to_port = values[4].strip()
if len(_to_port) > 0:
to_port = getPortRange(_to_port)
if not (isinstance(to_port, types.ListType) or \
isinstance(to_port, types.TupleType)):
self.port_error(_to_port)
error = True
to_port = None
if error:
continue
if not interface or not protocol or not port:
continue
if not to_address and not to_port:
continue
return (interface, protocol, port, to_address, to_port)
elif res == 'cancel':
return None
def _check_interface(option, opt, value):
if not checkInterface(value):
raise OptionError(_("invalid interface '%s'.") % value, opt)
return value
