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Bind sockets for IPv4 and IPv6

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This commit is contained in:
Unrud 2020-02-19 09:49:56 +01:00
parent 36483670d4
commit cc22927353
3 changed files with 28 additions and 28 deletions
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2
config
View File

@ -15,7 +15,7 @@
# IPv4 syntax: address:port
# IPv6 syntax: [address]:port
# For example: 0.0.0.0:9999, [::]:9999
#hosts = 127.0.0.1:5232
#hosts = localhost:5232
# Max parallel connections
#max_connections = 8

2
radicale/config.py
View File

@ -90,7 +90,7 @@ def _convert_to_bool(value):
DEFAULT_CONFIG_SCHEMA = OrderedDict([
("server", OrderedDict([
("hosts", {
"value": "127.0.0.1:5232",
"value": "localhost:5232",
"help": "set server hostnames including ports",
"aliases": ["-H", "--hosts"],
"type": list_of_ip_address}),

52
radicale/server.py
View File

@ -117,26 +117,15 @@ class ParallelHTTPServer(ParallelizationMixIn,
self.setup_environ()
return
try:
if self.address_family == socket.AF_INET6:
# Only allow IPv6 connections to the IPv6 socket
self.socket.setsockopt(IPPROTO_IPV6, IPV6_V6ONLY, 1)
self.server_bind()
self.server_activate()
except BaseException:
self.server_close()
raise
def server_bind(self):
try:
super().server_bind()
except socket.gaierror as e:
if (not HAS_IPV6 or self.address_family != socket.AF_INET or
e.errno not in (EAI_NONAME, EAI_ADDRFAMILY)):
raise
# Try again with IPv6
self.address_family = socket.AF_INET6
self.socket = socket.socket(self.address_family, self.socket_type)
# Only allow IPv6 connections to the IPv6 socket
self.socket.setsockopt(IPPROTO_IPV6, IPV6_V6ONLY, 1)
super().server_bind()
def get_request(self):
# Set timeout for client
socket_, address = super().get_request()
@ -291,18 +280,29 @@ def serve(configuration, shutdown_socket=None):
application = Application(configuration)
servers = {}
for server_address_or_socket, family in server_addresses_or_sockets:
try:
server = server_class(configuration, family,
server_address_or_socket, RequestHandler)
server.set_app(application)
except OSError as e:
raise RuntimeError(
"Failed to start server %r: %s" % (
server_address_or_socket, e)) from e
servers[server.socket] = server
logger.info("Listening to %r on port %d%s",
server.server_name, server.server_port, " using SSL"
if configuration.get("server", "ssl") else "")
# If familiy is AF_INET, try to bind sockets for AF_INET and AF_INET6
bind_successful = False
for family in [family, socket.AF_INET6]:
try:
server = server_class(configuration, family,
server_address_or_socket, RequestHandler)
server.set_app(application)
except OSError as e:
if ((family == socket.AF_INET and HAS_IPV6 or
bind_successful) and isinstance(e, socket.gaierror) and
e.errno in (EAI_NONAME, EAI_ADDRFAMILY)):
# Allow one of AF_INET and AF_INET6 to fail, when
# the address or host don't support the address family.
continue
raise RuntimeError(
"Failed to start server %r: %s" % (
server_address_or_socket, e)) from e
bind_successful = True
servers[server.socket] = server
logger.info("Listening to %r on port %d%s (%s)",
server.server_name, server.server_port, " using SSL"
if configuration.get("server", "ssl") else "",
family.name)
# Main loop: wait for requests on any of the servers or program shutdown
sockets = list(servers.keys())