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PyBitmessage/src/helper_bootstrap.py

111 lines
4.7 KiB

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