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fuzzy m search

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Jack Robison 2018-10-10 19:39:45 -04:00
parent ba8be4746a
commit 0956d6a71e
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5 changed files with 177 additions and 78 deletions
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18
aioupnp/__main__.py
View file

@ -1,6 +1,8 @@
import logging
import sys
from collections import OrderedDict
from aioupnp.upnp import UPnP
from aioupnp.constants import UPNP_ORG_IGD, SSDP_DISCOVER, SSDP_HOST
log = logging.getLogger("aioupnp")
handler = logging.StreamHandler()
@ -45,13 +47,14 @@ def main():
'gateway_address': '',
'lan_address': '',
'timeout': 1,
'service': '', # if not provided try all of them
'man': '',
'mx': 1,
'return_as_json': True
'HOST': SSDP_HOST,
'ST': UPNP_ORG_IGD,
'MAN': SSDP_DISCOVER,
'MX': 1,
}
options = {}
options = OrderedDict()
command = None
for arg in args:
if arg.startswith("--"):
@ -80,9 +83,8 @@ def main():
log.setLevel(logging.DEBUG)
UPnP.run_cli(
command.replace('-', '_'), options.pop('lan_address'), options.pop('gateway_address'),
options.pop('timeout'), options.pop('service'), options.pop('man'), options.pop('mx'),
options.pop('interface'), kwargs
command.replace('-', '_'), options, options.pop('lan_address'), options.pop('gateway_address'),
options.pop('timeout'), options.pop('interface'), kwargs
)

5
aioupnp/gateway.py
View file

@ -5,7 +5,7 @@ from aioupnp.util import get_dict_val_case_insensitive, BASE_PORT_REGEX, BASE_AD
from aioupnp.constants import SPEC_VERSION, UPNP_ORG_IGD, SERVICE
from aioupnp.commands import SOAPCommands
from aioupnp.device import Device, Service
from aioupnp.protocols.ssdp import m_search
from aioupnp.protocols.ssdp import fuzzy_m_search
from aioupnp.protocols.scpd import scpd_get
from aioupnp.protocols.soap import SCPDCommand
from aioupnp.util import flatten_keys
@ -129,9 +129,8 @@ class Gateway:
@classmethod
async def discover_gateway(cls, lan_address: str, gateway_address: str, timeout: int = 1,
service: str = UPNP_ORG_IGD, man: str = '', mx: int = 1,
ssdp_socket: socket.socket = None, soap_socket: socket.socket = None):
datagram = await m_search(lan_address, gateway_address, timeout, service, man, mx, ssdp_socket)
datagram = await fuzzy_m_search(lan_address, gateway_address, timeout, ssdp_socket)
gateway = cls(**datagram.as_dict())
await gateway.discover_commands(soap_socket)
return gateway

81
aioupnp/protocols/m_search_patterns.py Normal file
View file

@ -0,0 +1,81 @@
M_SEARCH_ARG_PATTERNS = [
#
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('MAN', lambda s: '"%s"' % s),
('MX', lambda n: int(n)),
],
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('Man', lambda s: '"%s"' % s),
('MX', lambda n: int(n)),
],
[
('Host', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('Man', lambda s: '"%s"' % s),
('MX', lambda n: int(n)),
],
# swap st and man
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('MAN', lambda s: '"%s"' % s),
('ST', lambda s: s),
('MX', lambda n: int(n)),
],
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('Man', lambda s: '"%s"' % s),
('ST', lambda s: s),
('MX', lambda n: int(n)),
],
[
('Host', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('Man', lambda s: '"%s"' % s),
('ST', lambda s: s),
('MX', lambda n: int(n)),
],
# repeat above but with no quotes on man
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('MAN', lambda s: s),
('MX', lambda n: int(n)),
],
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('Man', lambda s: s),
('MX', lambda n: int(n)),
],
[
('Host', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('ST', lambda s: s),
('Man', lambda s: s),
('MX', lambda n: int(n)),
],
# swap st and man
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('MAN', lambda s: s),
('ST', lambda s: s),
('MX', lambda n: int(n)),
],
[
('HOST', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('Man', lambda s: s),
('ST', lambda s: s),
('MX', lambda n: int(n)),
],
[
('Host', lambda ssdp_ip: "{}:{}".format(ssdp_ip, 1900)),
('Man', lambda s: s),
('ST', lambda s: str(s)),
('MX', lambda n: int(n)),
],
]

127
aioupnp/protocols/ssdp.py
View file

@ -3,14 +3,16 @@ import socket
import binascii
import asyncio
import logging
from collections import OrderedDict
from typing import Dict, List, Tuple
from asyncio.futures import Future
from asyncio.transports import DatagramTransport
from aioupnp.fault import UPnPError
from aioupnp.serialization.ssdp import SSDPDatagram
from aioupnp.constants import UPNP_ORG_IGD, WIFI_ALLIANCE_ORG_IGD
from aioupnp.constants import SSDP_IP_ADDRESS, SSDP_PORT, SSDP_DISCOVER, SSDP_ROOT_DEVICE
from aioupnp.constants import SSDP_IP_ADDRESS, SSDP_PORT, SSDP_DISCOVER, SSDP_ROOT_DEVICE, SSDP_ALL
from aioupnp.protocols.multicast import MulticastProtocol
from aioupnp.protocols.m_search_patterns import M_SEARCH_ARG_PATTERNS
ADDRESS_REGEX = re.compile("^http:\/\/(\d+\.\d+\.\d+\.\d+)\:(\d*)(\/[\w|\/|\:|\-|\.]*)$")
@ -25,41 +27,17 @@ class SSDPProtocol(MulticastProtocol):
self.notifications: List = []
self.replies: List = []
def send_m_search_packet(self, service, address, man, mx):
packet = SSDPDatagram(
SSDPDatagram._M_SEARCH, host="{}:{}".format(SSDP_IP_ADDRESS, SSDP_PORT), st=service,
man=man, mx=mx
)
log.debug("sending packet to %s:%i: %s", address, SSDP_PORT, packet)
def m_search(self, address: str, timeout: int, datagram_args: OrderedDict) -> Future:
packet = SSDPDatagram(SSDPDatagram._M_SEARCH, datagram_args)
f: Future = Future()
futs = self.discover_callbacks.get((address, packet.st), [])
futs.append(f)
self.discover_callbacks[(address, packet.st)] = futs
log.debug("send m search to %s: %s", address, packet)
self.transport.sendto(packet.encode().encode(), (address, SSDP_PORT))
async def m_search(self, address: str, timeout: int = 1, service: str = '', man: str = '', mx: int = 1) -> SSDPDatagram:
if (address, service) in self.discover_callbacks:
return self.discover_callbacks[(address, service)]
man = man or SSDP_DISCOVER
if not service:
services = [UPNP_ORG_IGD, WIFI_ALLIANCE_ORG_IGD]
else:
services = [service]
search_futs: List[Future] = []
outer_fut: Future = Future()
for service in services:
# D-Link works with both
# Cisco only works with quotes
self.send_m_search_packet(service, address, '\"%s\"' % man, mx)
# DD-WRT only works without quotes
self.send_m_search_packet(service, address, man, mx)
f: Future = Future()
f.add_done_callback(lambda _f: outer_fut.set_result(_f.result()))
self.discover_callbacks[(address, service)] = f
search_futs.append(f)
return await asyncio.wait_for(outer_fut, timeout)
r: Future = asyncio.ensure_future(asyncio.wait_for(f, timeout))
return r
def datagram_received(self, data, addr) -> None:
if addr[0] == self.lan_address:
@ -77,28 +55,29 @@ class SSDPProtocol(MulticastProtocol):
log.debug("%s:%i replied to our m-search", addr[0], addr[1])
if packet.st not in map(lambda p: p['st'], self.replies):
self.replies.append(packet)
ok_fut: Future = self.discover_callbacks.pop((addr[0], packet.st))
for ok_fut in self.discover_callbacks[(addr[0], packet.st)]:
ok_fut.set_result(packet)
del self.discover_callbacks[(addr[0], packet.st)]
return
elif packet._packet_type == packet._NOTIFY:
log.debug("%s:%i sent us a notification: %s", packet)
if packet.nt == SSDP_ROOT_DEVICE:
address, port, path = ADDRESS_REGEX.findall(packet.location)[0]
key = None
for (addr, service) in self.discover_callbacks:
if addr == address:
key = (addr, service)
break
if key:
log.debug("got a notification with the requested m-search info")
notify_fut: Future = self.discover_callbacks.pop(key)
notify_fut.set_result(SSDPDatagram(
SSDPDatagram._OK, cache_control='', location=packet.location, server=packet.server,
st=UPNP_ORG_IGD, usn=packet.usn
))
self.notifications.append(packet.as_dict())
return
# elif packet._packet_type == packet._NOTIFY:
# log.debug("%s:%i sent us a notification: %s", packet)
# if packet.nt == SSDP_ROOT_DEVICE:
# address, port, path = ADDRESS_REGEX.findall(packet.location)[0]
# key = None
# for (addr, service) in self.discover_callbacks:
# if addr == address:
# key = (addr, service)
# break
# if key:
# log.debug("got a notification with the requested m-search info")
# notify_fut: Future = self.discover_callbacks.pop(key)
# notify_fut.set_result(SSDPDatagram(
# SSDPDatagram._OK, cache_control='', location=packet.location, server=packet.server,
# st=UPNP_ORG_IGD, usn=packet.usn
# ))
# self.notifications.append(packet.as_dict())
# return
async def listen_ssdp(lan_address: str, gateway_address: str,
@ -124,14 +103,50 @@ async def listen_ssdp(lan_address: str, gateway_address: str,
return transport, protocol, gateway_address, lan_address
async def m_search(lan_address: str, gateway_address: str, timeout: int = 1,
service: str = '', man: str = '', mx: int = 1, ssdp_socket: socket.socket = None) -> SSDPDatagram:
async def m_search(lan_address: str, gateway_address: str, datagram_args: OrderedDict, timeout: int = 1,
ssdp_socket: socket.socket = None) -> SSDPDatagram:
transport, protocol, gateway_address, lan_address = await listen_ssdp(
lan_address, gateway_address, ssdp_socket
)
try:
return await protocol.m_search(address=gateway_address, timeout=timeout, service=service, man=man, mx=mx)
return await protocol.m_search(address=gateway_address, timeout=timeout, datagram_args=datagram_args)
except asyncio.TimeoutError:
raise UPnPError("M-SEARCH for {}:{} timed out".format(gateway_address, SSDP_PORT))
finally:
transport.close()
async def fuzzy_m_search(lan_address: str, gateway_address: str, timeout: int = 1,
ssdp_socket: socket.socket = None) -> SSDPDatagram:
transport, protocol, gateway_address, lan_address = await listen_ssdp(
lan_address, gateway_address, ssdp_socket
)
datagram_kwargs: list = []
services = [UPNP_ORG_IGD, SSDP_ALL, WIFI_ALLIANCE_ORG_IGD]
mans = [SSDP_DISCOVER, SSDP_ROOT_DEVICE]
mx = 1
for service in services:
for man in mans:
for arg_pattern in M_SEARCH_ARG_PATTERNS:
dgram_kwargs: OrderedDict = OrderedDict()
for k, l in arg_pattern:
if k.lower() == 'host':
dgram_kwargs[k] = l(SSDP_IP_ADDRESS)
elif k.lower() == 'st':
dgram_kwargs[k] = l(service)
elif k.lower() == 'man':
dgram_kwargs[k] = l(man)
elif k.lower() == 'mx':
dgram_kwargs[k] = l(mx)
datagram_kwargs.append(dgram_kwargs)
for i, args in enumerate(datagram_kwargs):
try:
result = await protocol.m_search(address=gateway_address, timeout=timeout, datagram_args=args)
transport.close()
return result
except TimeoutError:
pass
transport.close()
raise UPnPError("M-SEARCH for {}:{} timed out".format(gateway_address, SSDP_PORT))

22
aioupnp/upnp.py
View file

@ -3,11 +3,12 @@ import socket
import logging
import json
import asyncio
from collections import OrderedDict
from typing import Tuple, Dict, List, Union
from aioupnp.fault import UPnPError
from aioupnp.gateway import Gateway
from aioupnp.util import get_gateway_and_lan_addresses
from aioupnp.protocols.ssdp import m_search
from aioupnp.protocols.ssdp import m_search, fuzzy_m_search
log = logging.getLogger(__name__)
@ -42,23 +43,24 @@ class UPnP:
@classmethod
async def discover(cls, lan_address: str = '', gateway_address: str = '', timeout: int = 1,
service: str = '', man: str = '', mx: int = 1, interface_name: str = 'default',
interface_name: str = 'default',
ssdp_socket: socket.socket = None, soap_socket: socket.socket = None):
try:
lan_address, gateway_address = cls.get_lan_and_gateway(lan_address, gateway_address, interface_name)
except Exception as err:
raise UPnPError("failed to get lan and gateway addresses: %s" % str(err))
gateway = await Gateway.discover_gateway(
lan_address, gateway_address, timeout, service, man, mx, ssdp_socket, soap_socket
lan_address, gateway_address, timeout, ssdp_socket, soap_socket
)
return cls(lan_address, gateway_address, gateway)
@classmethod
@cli
async def m_search(cls, lan_address: str = '', gateway_address: str = '', timeout: int = 1,
service: str = '', man: str = '', mx: int = 1, interface_name: str = 'default') -> Dict:
args: OrderedDict = None, interface_name: str = 'default') -> Dict:
args = args or OrderedDict()
lan_address, gateway_address = cls.get_lan_and_gateway(lan_address, gateway_address, interface_name)
datagram = await m_search(lan_address, gateway_address, timeout, service, man, mx)
datagram = await m_search(lan_address, gateway_address, args, timeout)
return {
'lan_address': lan_address,
'gateway_address': gateway_address,
@ -215,10 +217,10 @@ class UPnP:
return "Generated test data! -> %s" % device_path
@classmethod
def run_cli(cls, method, lan_address: str = '', gateway_address: str = '', timeout: int = 60,
service: str = '', man: str = '', mx: int = 1, interface_name: str = 'default',
kwargs: dict = None) -> None:
def run_cli(cls, method, igd_args: OrderedDict, lan_address: str = '', gateway_address: str = '', timeout: int = 60,
interface_name: str = 'default', kwargs: dict = None) -> None:
kwargs = kwargs or {}
igd_args = igd_args
timeout = int(timeout)
try:
asyncio.get_running_loop()
@ -231,12 +233,12 @@ class UPnP:
async def wrapper():
if method == 'm_search':
fn = lambda *_a, **_kw: cls.m_search(
lan_address, gateway_address, timeout, service, man, mx, interface_name
lan_address, gateway_address, timeout, igd_args, interface_name
)
else:
try:
u = await cls.discover(
lan_address, gateway_address, timeout, service, man, mx, interface_name
lan_address, gateway_address, timeout, interface_name
)
except UPnPError as err:
fut.set_exception(err)