cis-kuldeep/PyBitmessage-2021-04-27
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Check IP before adding to knownnodes in helper_bootstrap

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This commit is contained in:
Dmitri Bogomolov 2017-10-07 17:28:32 +03:00
parent 4c9006a632
commit 8e76169388
Signed by untrusted user: g1itch
GPG Key ID: 720A756F18DEED13
1 changed files with 31 additions and 17 deletions
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44
src/helper_bootstrap.py
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@ -9,6 +9,7 @@ import knownnodes
import socks
import state
def addKnownNode(stream, peer, lastseen=None, self=False):
if lastseen is None:
lastseen = time.time()
@ -18,6 +19,7 @@ def addKnownNode(stream, peer, lastseen=None, self=False):
"self": self,
}
def knownNodes():
try:
with open(state.appdata + 'knownnodes.dat', 'rb') as pickleFile:
@ -38,26 +40,37 @@ def knownNodes():
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.
if BMConfigParser().get('bitmessagesettings', 'socksproxytype') == 'none':
def try_add_known_node(stream, addr, port, method=''):
try:
for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
logger.info('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
addKnownNode(1, state.Peer(item[4][0], 8080))
except:
logger.error('bootstrap8080.bitmessage.org DNS bootstrapping failed.')
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('bootstrap8444.bitmessage.org', 80):
logger.info ('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
addKnownNode(1, state.Peer(item[4][0], 8444))
for item in socket.getaddrinfo(
'bootstrap%s.bitmessage.org' % port, 80):
try_add_known_node(1, item[4][0], port)
except:
logger.error('bootstrap8444.bitmessage.org DNS bootstrapping failed.')
elif BMConfigParser().get('bitmessagesettings', 'socksproxytype') == 'SOCKS5':
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]:
@ -89,8 +102,9 @@ def dns():
except:
logger.error("SOCKS DNS resolving failed", exc_info=True)
else:
if ip is not None:
logger.info ('Adding ' + ip + ' to knownNodes based on SOCKS DNS bootstrap method')
addKnownNode(1, state.Peer(ip, port))
try_add_known_node(1, ip, port, 'SOCKS')
else:
logger.info('DNS bootstrap skipped because the proxy type does not support DNS resolution.')
logger.info(
'DNS bootstrap skipped because the proxy type does not support'
' DNS resolution.'
)