libervia-backend: sat/plugins/plugin_misc

annotate sat/plugins/plugin_misc_nat-port.py @ 3185:554b3b632378

memory (cache): purge + pathlib: - cache is now purged on backend startup (every file which has passed EOL will be deleted) - use of pathlib, getPath now returns a Path

author	Goffi <goffi@goffi.org>
date	Wed, 26 Feb 2020 15:54:43 +0100
parents	559a625a236b
children	be6d91572633

rev	line source
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	1 #!/usr/bin/env python3
3137 559a625a236b fixed shebangs Goffi <goffi@goffi.org> parents: 3136 diff changeset	2
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	3
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT plugin for NAT port mapping
3136 9d0df638c8b4 dates update Goffi <goffi@goffi.org> parents: 3028 diff changeset	5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	6
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	11
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	16
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	19
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.i18n import _
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	21 from sat.core.constants import Const as C
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	22 from sat.core.log import getLogger
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	23
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	24 log = getLogger(__name__)
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	25 from sat.core import exceptions
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.internet import threads
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	27 from twisted.internet import defer
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	28 from twisted.python import failure
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	29 import threading
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	30
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	31 try:
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	32 import miniupnpc
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	33 except ImportError:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	34 raise exceptions.MissingModule(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	35 "Missing module MiniUPnPc, please download/install it (and its Python binding) at http://miniupnp.free.fr/ (or use pip install miniupnpc)"
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	36 )
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	37
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	38
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	39 PLUGIN_INFO = {
2145 33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	40 C.PI_NAME: "NAT port mapping",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	41 C.PI_IMPORT_NAME: "NAT-PORT",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	42 C.PI_TYPE: C.PLUG_TYPE_MISC,
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	43 C.PI_MAIN: "NatPort",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	44 C.PI_HANDLER: "no",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 1934 diff changeset	45 C.PI_DESCRIPTION: _("""Automatic NAT port mapping using UPnP"""),
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	46 }
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	47
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	48 STARTING_PORT = 6000 # starting point to automatically find a port
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	49 DEFAULT_DESC = (
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	50 "SaT port mapping"
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	51 ) # we don't use "à" here as some bugged NAT don't manage charset correctly
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	52
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	53
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	54 class MappingError(Exception):
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	55 pass
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	56
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	57
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	58 class NatPort(object):
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	59 # TODO: refresh data if a new connection is detected (see plugin_misc_ip)
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	60
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	61 def __init__(self, host):
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	62 log.info(_("plugin NAT Port initialization"))
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	63 self.host = host
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	64 self._external_ip = None
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	65 self._initialised = defer.Deferred()
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	66 self._upnp = miniupnpc.UPnP() # will be None if no device is available
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	67 self._upnp.discoverdelay = 200
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	68 self._mutex = threading.Lock() # used to protect access to self._upnp
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	69 self._starting_port_cache = None # used to cache the first available port
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	70 self._to_unmap = [] # list of tuples (ext_port, protocol) of ports to unmap on unload
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	71 discover_d = threads.deferToThread(self._discover)
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	72 discover_d.chainDeferred(self._initialised)
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	73 self._initialised.addErrback(self._init_failed)
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	74
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	75 def unload(self):
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	76 if self._to_unmap:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	77 log.info("Cleaning mapped ports")
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	78 return threads.deferToThread(self._unmapPortsBlocking)
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	79
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	80 def _init_failed(self, failure_):
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	81 e = failure_.trap(exceptions.NotFound, exceptions.FeatureNotFound)
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	82 if e == exceptions.FeatureNotFound:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	83 log.info("UPnP-IGD seems to be not activated on the device")
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	84 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	85 log.info("UPnP-IGD not available")
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	86 self._upnp = None
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	87
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	88 def _discover(self):
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	89 devices = self._upnp.discover()
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	90 if devices:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	91 log.info("{nb} UPnP-IGD device(s) found".format(nb=devices))
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	92 else:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	93 log.info("Can't find UPnP-IGD device on the local network")
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	94 raise failure.Failure(exceptions.NotFound())
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	95 self._upnp.selectigd()
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	96 try:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	97 self._external_ip = self._upnp.externalipaddress()
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	98 except Exception:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	99 raise failure.Failure(exceptions.FeatureNotFound())
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	100
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	101 def getIP(self, local=False):
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	102 """Return IP address found with UPnP-IGD
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	103
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	104 @param local(bool): True to get external IP address, False to get local network one
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	105 @return (None, str): found IP address, or None of something got wrong
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	106 """
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	107
2765 378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext) Goffi <goffi@goffi.org> parents: 2624 diff changeset	108 def getIP(__):
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	109 if self._upnp is None:
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	110 return None
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	111 # lanaddr can be the empty string if not found,
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	112 # we need to return None in this case
04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	113 return (self._upnp.lanaddr or None) if local else self._external_ip
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	114
1536 04a13d9ae265 plugin nat-port: NAT port first draft: Goffi <goffi@goffi.org> parents: diff changeset	115 return self._initialised.addCallback(getIP)
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	116
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	117 def _unmapPortsBlocking(self):
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	118 """Unmap ports mapped in this session"""
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	119 self._mutex.acquire()
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	120 try:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	121 for port, protocol in self._to_unmap:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	122 log.info("Unmapping port {}".format(port))
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	123 unmapping = self._upnp.deleteportmapping(
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	124 # the last parameter is remoteHost, we don't use it
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	125 port,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	126 protocol,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	127 "",
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	128 )
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	129
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	130 if not unmapping:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	131 log.error(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	132 "Can't unmap port {port} ({protocol})".format(
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	133 port=port, protocol=protocol
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	134 )
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	135 )
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	136 del self._to_unmap[:]
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	137 finally:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	138 self._mutex.release()
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	139
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	140 def _mapPortBlocking(self, int_port, ext_port, protocol, desc):
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	141 """Internal blocking method to map port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	142
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	143 @param int_port(int): internal port to use
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	144 @param ext_port(int): external port to use, or None to find one automatically
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	145 @param protocol(str): 'TCP' or 'UDP'
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	146 @param desc(str): description of the mapping
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	147 @param return(int, None): external port used in case of success, otherwise None
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	148 """
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	149 # we use mutex to avoid race condition if 2 threads
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	150 # try to acquire a port at the same time
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	151 self._mutex.acquire()
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	152 try:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	153 if ext_port is None:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	154 # find a free port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	155 starting_port = self._starting_port_cache
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	156 ext_port = STARTING_PORT if starting_port is None else starting_port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	157 ret = self._upnp.getspecificportmapping(ext_port, protocol)
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	158 while ret != None and ext_port < 65536:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	159 ext_port += 1
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	160 ret = self._upnp.getspecificportmapping(ext_port, protocol)
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	161 if starting_port is None:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	162 # XXX: we cache the first successfuly found external port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	163 # to avoid testing again the first series the next time
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	164 self._starting_port_cache = ext_port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	165
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	166 try:
78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	167 mapping = self._upnp.addportmapping(
78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	168 # the last parameter is remoteHost, we don't use it
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	169 ext_port,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	170 protocol,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	171 self._upnp.lanaddr,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	172 int_port,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	173 desc,
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	174 "",
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	175 )
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	176 except Exception as e:
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	177 log.error(_("addportmapping error: {msg}").format(msg=e))
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	178 raise failure.Failure(MappingError())
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	179
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	180 if not mapping:
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	181 raise failure.Failure(MappingError())
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	182 else:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	183 self._to_unmap.append((ext_port, protocol))
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	184 finally:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	185 self._mutex.release()
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	186
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	187 return ext_port
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	188
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	189 def mapPort(self, int_port, ext_port=None, protocol="TCP", desc=DEFAULT_DESC):
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	190 """Add a port mapping
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	191
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	192 @param int_port(int): internal port to use
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	193 @param ext_port(int,None): external port to use, or None to find one automatically
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	194 @param protocol(str): 'TCP' or 'UDP'
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	195 @param desc(unicode): description of the mapping
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	196 Some UPnP IGD devices have broken encoding. It's probably a good idea to avoid non-ascii chars here
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	197 @return (D(int, None)): external port used in case of success, otherwise None
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	198 """
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	199 if self._upnp is None:
e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	200 return defer.succeed(None)
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	201
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	202 def mappingCb(ext_port):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	203 log.info(
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	204 "{protocol} mapping from {int_port} to {ext_port} successful".format(
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	205 protocol=protocol, int_port=int_port, ext_port=ext_port
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	206 )
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	207 )
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	208 return ext_port
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	209
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	210 def mappingEb(failure_):
78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	211 failure_.trap(MappingError)
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	212 log.warning("Can't map internal {int_port}".format(int_port=int_port))
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	213
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	214 def mappingUnknownEb(failure_):
3028 ab2696e34d29 Python 3 port: Goffi <goffi@goffi.org> parents: 2771 diff changeset	215 log.error(_("error while trying to map ports: {msg}").format(msg=failure_))
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	216
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	217 d = threads.deferToThread(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	218 self._mapPortBlocking, int_port, ext_port, protocol, desc
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	219 )
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	220 d.addCallbacks(mappingCb, mappingEb)
2488 78c7992a26ed plugin NAT-port: raise MappingError if something get wrong during "addportmapping" + log unexpected errors (i.e. everything else than MappingError) Goffi <goffi@goffi.org> parents: 2483 diff changeset	221 d.addErrback(mappingUnknownEb)
1554 e281ed2c21db plugin NAT port: added UPnP IGD mapping + automatic unmapping on backend shut down Goffi <goffi@goffi.org> parents: 1536 diff changeset	222 return d

Mercurial > libervia-backend

annotate sat/plugins/plugin_misc_nat-port.py @ 3185:554b3b632378