97 lines
4.8 KiB
Python
97 lines
4.8 KiB
Python
import socket
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import defaultKnownNodes
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import pickle
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import time
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from bmconfigparser import BMConfigParser
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from debug import logger
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import knownnodes
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import socks
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import state
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def addKnownNode(stream, peer, lastseen=None, self=False):
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if lastseen is None:
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lastseen = time.time()
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knownnodes.knownNodes[stream][peer] = {
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"lastseen": lastseen,
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"rating": 0,
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"self": self,
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}
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def knownNodes():
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try:
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with open(state.appdata + 'knownnodes.dat', 'rb') as pickleFile:
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with knownnodes.knownNodesLock:
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knownnodes.knownNodes = pickle.load(pickleFile)
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# the old format was {Peer:lastseen, ...}
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# the new format is {Peer:{"lastseen":i, "rating":f}}
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for stream in knownnodes.knownNodes.keys():
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for node, params in knownnodes.knownNodes[stream].items():
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if isinstance(params, (float, int)):
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addKnownNode(stream, node, params)
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except:
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knownnodes.knownNodes = defaultKnownNodes.createDefaultKnownNodes(state.appdata)
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# your own onion address, if setup
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if BMConfigParser().has_option('bitmessagesettings', 'onionhostname') and ".onion" in BMConfigParser().get('bitmessagesettings', 'onionhostname'):
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addKnownNode(1, state.Peer(BMConfigParser().get('bitmessagesettings', 'onionhostname'), BMConfigParser().getint('bitmessagesettings', 'onionport')), self=True)
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if BMConfigParser().getint('bitmessagesettings', 'settingsversion') > 10:
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logger.error('Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.')
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raise SystemExit
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def dns():
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# DNS bootstrap. This could be programmed to use the SOCKS proxy to do the
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# DNS lookup some day but for now we will just rely on the entries in
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# defaultKnownNodes.py. Hopefully either they are up to date or the user
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# has run Bitmessage recently without SOCKS turned on and received good
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# bootstrap nodes using that method.
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if BMConfigParser().get('bitmessagesettings', 'socksproxytype') == 'none':
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try:
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for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
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logger.info('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
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addKnownNode(1, state.Peer(item[4][0], 8080))
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except:
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logger.error('bootstrap8080.bitmessage.org DNS bootstrapping failed.')
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try:
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for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
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logger.info ('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
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addKnownNode(1, state.Peer(item[4][0], 8444))
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except:
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logger.error('bootstrap8444.bitmessage.org DNS bootstrapping failed.')
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elif BMConfigParser().get('bitmessagesettings', 'socksproxytype') == 'SOCKS5':
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addKnownNode(1, state.Peer('quzwelsuziwqgpt2.onion', 8444))
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logger.debug("Adding quzwelsuziwqgpt2.onion:8444 to knownNodes.")
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for port in [8080, 8444]:
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logger.debug("Resolving %i through SOCKS...", port)
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address_family = socket.AF_INET
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sock = socks.socksocket(address_family, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.settimeout(20)
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proxytype = socks.PROXY_TYPE_SOCKS5
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sockshostname = BMConfigParser().get(
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'bitmessagesettings', 'sockshostname')
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socksport = BMConfigParser().getint(
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'bitmessagesettings', 'socksport')
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rdns = True # Do domain name lookups through the proxy; though this setting doesn't really matter since we won't be doing any domain name lookups anyway.
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if BMConfigParser().getboolean('bitmessagesettings', 'socksauthentication'):
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socksusername = BMConfigParser().get(
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'bitmessagesettings', 'socksusername')
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sockspassword = BMConfigParser().get(
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'bitmessagesettings', 'sockspassword')
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sock.setproxy(
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proxytype, sockshostname, socksport, rdns, socksusername, sockspassword)
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else:
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sock.setproxy(
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proxytype, sockshostname, socksport, rdns)
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try:
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ip = sock.resolve("bootstrap" + str(port) + ".bitmessage.org")
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sock.shutdown(socket.SHUT_RDWR)
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sock.close()
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except:
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logger.error("SOCKS DNS resolving failed", exc_info=True)
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else:
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if ip is not None:
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logger.info ('Adding ' + ip + ' to knownNodes based on SOCKS DNS bootstrap method')
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addKnownNode(1, state.Peer(ip, port))
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else:
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logger.info('DNS bootstrap skipped because the proxy type does not support DNS resolution.')
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