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interface: call socket.connect before sll.wrap_socket, for proxy. (fixes bug #207)

283
ThomasV 11 years ago
parent
commit
7658b2ade1
  1. 2
      gui/qt/network_dialog.py
  2. 144
      lib/interface.py
  3. 4
      lib/network.py

2
gui/qt/network_dialog.py

@ -99,7 +99,7 @@ class NetworkDialog(QDialog):
self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
label = _('Active Servers') if interface.servers else _('Default Servers')
label = _('Active Servers') #if interface.servers else _('Default Servers')
self.servers_list_widget = QTreeWidget(parent)
self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
self.servers_list_widget.setMaximumHeight(150)

144
lib/interface.py

@ -32,11 +32,23 @@ proxy_modes = ['socks4', 'socks5', 'http']
class Interface(threading.Thread):
def init_server(self, host, port, proxy=None, use_ssl=True):
self.host = host
self.port = port
self.proxy = proxy
self.use_ssl = use_ssl
def __init__(self, config=None):
if config is None:
from simple_config import SimpleConfig
config = SimpleConfig()
threading.Thread.__init__(self)
self.daemon = True
self.config = config
self.connect_event = threading.Event()
self.subscriptions = {}
self.lock = threading.Lock()
self.rtime = 0
self.bytes_received = 0
self.is_connected = False
self.poll_interval = 1
#json
@ -44,6 +56,21 @@ class Interface(threading.Thread):
self.unanswered_requests = {}
self.pending_transactions_for_notifications= []
# parse server
s = config.get('server')
host, port, protocol = s.split(':')
port = int(port)
if protocol not in 'ghst':
raise BaseException('Unknown protocol: %s'%protocol)
self.host = host
self.port = port
self.protocol = protocol
self.use_ssl = ( protocol in 'sg' )
self.proxy = self.parse_proxy_options(config.get('proxy'))
self.server = host + ':%d:%s'%(port, protocol)
def queue_json_response(self, c):
@ -104,7 +131,6 @@ class Interface(threading.Thread):
def init_http(self, host, port, proxy=None, use_ssl=True):
self.init_server(host, port, proxy, use_ssl)
self.session_id = None
self.is_connected = True
self.connection_msg = ('https' if self.use_ssl else 'http') + '://%s:%d'%( self.host, self.port )
@ -209,27 +235,25 @@ class Interface(threading.Thread):
def init_tcp(self, host, port, proxy=None, use_ssl=True):
def start_tcp(self):
if self.use_ssl:
cert_path = os.path.join( self.config.get('path'), 'certs', host)
cert_path = os.path.join( self.config.get('path'), 'certs', self.host)
if not os.path.exists(cert_path):
dir_path = os.path.join( self.config.get('path'), 'certs')
if not os.path.exists(dir_path):
os.mkdir(dir_path)
try:
cert = ssl.get_server_certificate((host, port))
cert = ssl.get_server_certificate((self.host, self.port))
except:
print_error("failed to connect", host, port)
print_error("failed to connect", self.host, self.port)
return
with open(cert_path,"w") as f:
f.write(cert)
self.init_server(host, port, proxy, use_ssl)
self.connection_msg = "%s:%d"%(self.host, self.port)
global proxy_modes
self.connection_msg = "%s:%d"%(self.host,self.port)
if self.proxy is None:
s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
@ -238,6 +262,14 @@ class Interface(threading.Thread):
s = socks.socksocket()
s.setproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
s.settimeout(2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
try:
s.connect(( self.host.encode('ascii'), int(self.port)))
except:
print_error("failed to connect", self.host, self.port)
return
if self.use_ssl:
try:
@ -246,37 +278,28 @@ class Interface(threading.Thread):
cert_reqs=ssl.CERT_REQUIRED,
ca_certs=cert_path,
do_handshake_on_connect=True)
except ssl.SSLError, e:
print_error("SSL error:", self.host, e)
return
except:
print_error("wrap_socket failed", host)
traceback.print_exc(file=sys.stdout)
print_error("wrap_socket failed", self.host)
return
s.settimeout(2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
try:
s.connect(( self.host.encode('ascii'), int(self.port)))
except ssl.SSLError, e:
print_error("SSL error:", host, e)
return
except:
#traceback.print_exc(file=sys.stdout)
print_error("failed to connect", host, port)
return
# hostname verification (disabled)
if self.use_ssl and False:
from backports.ssl_match_hostname import match_hostname, CertificateError
try:
match_hostname(s.getpeercert(), host)
print_error("hostname matches", host)
match_hostname(s.getpeercert(), self.host)
print_error("hostname matches", self.host)
except CertificateError, ce:
print_error("hostname does not match", host, s.getpeercert())
print_error("hostname does not match", self.host, s.getpeercert())
return
s.settimeout(60)
self.s = s
self.is_connected = True
print_error("connected to", host, port)
print_error("connected to", self.host, self.port)
def run_tcp(self):
@ -355,65 +378,18 @@ class Interface(threading.Thread):
def __init__(self, config=None):
#self.server = random.choice(filter_protocol(DEFAULT_SERVERS, 's'))
self.proxy = None
if config is None:
from simple_config import SimpleConfig
config = SimpleConfig()
threading.Thread.__init__(self)
self.daemon = True
self.config = config
self.connect_event = threading.Event()
self.subscriptions = {}
self.lock = threading.Lock()
self.servers = {} # actual list from IRC
self.rtime = 0
self.bytes_received = 0
self.is_connected = False
def start_interface(self):
# init with None server, in case we are offline
self.init_server(None, None)
def init_interface(self):
if self.config.get('server'):
self.init_with_server(self.config)
else:
if self.config.get('auto_cycle') is None:
self.config.set_key('auto_cycle', True, False)
if not self.is_connected:
self.connect_event.set()
return
if self.protocol in 'st':
self.start_tcp()
elif self.protocol in 'gh':
self.start_http()
self.connect_event.set()
def init_with_server(self, config):
s = config.get('server')
host, port, protocol = s.split(':')
port = int(port)
self.protocol = protocol
proxy = self.parse_proxy_options(config.get('proxy'))
self.server = host + ':%d:%s'%(port, protocol)
#print protocol, host, port
if protocol in 'st':
self.init_tcp(host, port, proxy, use_ssl=(protocol=='s'))
elif protocol in 'gh':
self.init_http(host, port, proxy, use_ssl=(protocol=='g'))
else:
raise BaseException('Unknown protocol: %s'%protocol)
def stop_subscriptions(self):
for callback in self.subscriptions.keys():
@ -505,7 +481,7 @@ class Interface(threading.Thread):
def run(self):
self.init_interface()
self.start_interface()
if self.is_connected:
self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])], self.on_version)
self.change_status()

4
lib/network.py

@ -53,6 +53,7 @@ class Network(threading.Thread):
self.servers = []
self.banner = ''
self.interface = None
self.proxy = self.config.get('proxy')
self.heights = {}
@ -95,7 +96,7 @@ class Network(threading.Thread):
def start_interface(self, server):
if server in self.interfaces.keys():
return
i = interface.Interface({'server':server, 'path':self.config.path})
i = interface.Interface({'server':server, 'path':self.config.path, 'proxy':self.proxy})
self.interfaces[server] = i
i.start(self.queue)
@ -130,6 +131,7 @@ class Network(threading.Thread):
i = self.interface
self.default_server = server
self.proxy = proxy
self.start_interface(server)
self.interface = self.interfaces[server]
i.stop_subscriptions() # fixme: it should not stop all subscriptions, and send 'unsubscribe'

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