Added better handling on Windows of interfaces that are non-adoptable for AutoInterface
This commit is contained in:
Mark Qvist
parent
4b07e30b9d
commit
444ae0206b
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@ -181,78 +181,90 @@ class AutoInterface(Interface):
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suitable_interfaces = 0
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suitable_interfaces = 0
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for ifname in self.list_interfaces():
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for ifname in self.list_interfaces():
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if RNS.vendor.platformutils.is_darwin() and ifname in AutoInterface.DARWIN_IGNORE_IFS and not ifname in self.allowed_interfaces:
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try:
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RNS.log(str(self)+" skipping Darwin AWDL or tethering interface "+str(ifname), RNS.LOG_EXTREME)
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if RNS.vendor.platformutils.is_darwin() and ifname in AutoInterface.DARWIN_IGNORE_IFS and not ifname in self.allowed_interfaces:
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elif RNS.vendor.platformutils.is_darwin() and ifname == "lo0":
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RNS.log(str(self)+" skipping Darwin AWDL or tethering interface "+str(ifname), RNS.LOG_EXTREME)
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RNS.log(str(self)+" skipping Darwin loopback interface "+str(ifname), RNS.LOG_EXTREME)
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elif RNS.vendor.platformutils.is_darwin() and ifname == "lo0":
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elif RNS.vendor.platformutils.is_android() and ifname in AutoInterface.ANDROID_IGNORE_IFS and not ifname in self.allowed_interfaces:
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RNS.log(str(self)+" skipping Darwin loopback interface "+str(ifname), RNS.LOG_EXTREME)
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RNS.log(str(self)+" skipping Android system interface "+str(ifname), RNS.LOG_EXTREME)
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elif RNS.vendor.platformutils.is_android() and ifname in AutoInterface.ANDROID_IGNORE_IFS and not ifname in self.allowed_interfaces:
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elif ifname in self.ignored_interfaces:
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RNS.log(str(self)+" skipping Android system interface "+str(ifname), RNS.LOG_EXTREME)
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RNS.log(str(self)+" ignoring disallowed interface "+str(ifname), RNS.LOG_EXTREME)
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elif ifname in self.ignored_interfaces:
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elif ifname in AutoInterface.ALL_IGNORE_IFS:
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RNS.log(str(self)+" ignoring disallowed interface "+str(ifname), RNS.LOG_EXTREME)
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RNS.log(str(self)+" skipping interface "+str(ifname), RNS.LOG_EXTREME)
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elif ifname in AutoInterface.ALL_IGNORE_IFS:
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else:
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RNS.log(str(self)+" skipping interface "+str(ifname), RNS.LOG_EXTREME)
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if len(self.allowed_interfaces) > 0 and not ifname in self.allowed_interfaces:
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RNS.log(str(self)+" ignoring interface "+str(ifname)+" since it was not allowed", RNS.LOG_EXTREME)
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else:
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else:
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addresses = self.list_addresses(ifname)
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if len(self.allowed_interfaces) > 0 and not ifname in self.allowed_interfaces:
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if self.netinfo.AF_INET6 in addresses:
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RNS.log(str(self)+" ignoring interface "+str(ifname)+" since it was not allowed", RNS.LOG_EXTREME)
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link_local_addr = None
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else:
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for address in addresses[self.netinfo.AF_INET6]:
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addresses = self.list_addresses(ifname)
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if "addr" in address:
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if self.netinfo.AF_INET6 in addresses:
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if address["addr"].startswith("fe80:"):
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link_local_addr = None
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link_local_addr = self.descope_linklocal(address["addr"])
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for address in addresses[self.netinfo.AF_INET6]:
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self.link_local_addresses.append(link_local_addr)
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if "addr" in address:
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self.adopted_interfaces[ifname] = link_local_addr
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if address["addr"].startswith("fe80:"):
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self.multicast_echoes[ifname] = time.time()
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link_local_addr = self.descope_linklocal(address["addr"])
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RNS.log(str(self)+" Selecting link-local address "+str(link_local_addr)+" for interface "+str(ifname), RNS.LOG_EXTREME)
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self.link_local_addresses.append(link_local_addr)
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self.adopted_interfaces[ifname] = link_local_addr
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if link_local_addr == None:
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self.multicast_echoes[ifname] = time.time()
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RNS.log(str(self)+" No link-local IPv6 address configured for "+str(ifname)+", skipping interface", RNS.LOG_EXTREME)
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nice_name = self.netinfo.interface_name_to_nice_name(ifname)
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else:
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if nice_name != None and nice_name != ifname:
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mcast_addr = self.mcast_discovery_address
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RNS.log(f"{self} Selecting link-local address {link_local_addr} for interface {nice_name} / {ifname}", RNS.LOG_EXTREME)
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RNS.log(str(self)+" Creating multicast discovery listener on "+str(ifname)+" with address "+str(mcast_addr), RNS.LOG_EXTREME)
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else:
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RNS.log(f"{self} Selecting link-local address {link_local_addr} for interface {ifname}", RNS.LOG_EXTREME)
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# Struct with interface index
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if_struct = struct.pack("I", self.interface_name_to_index(ifname))
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# Set up multicast socket
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discovery_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if hasattr(socket, "SO_REUSEPORT"):
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discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, if_struct)
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# Join multicast group
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mcast_group = socket.inet_pton(socket.AF_INET6, mcast_addr) + if_struct
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discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mcast_group)
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# Bind socket
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if RNS.vendor.platformutils.is_windows():
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# window throws "[WinError 10049] The requested address is not valid in its context"
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# when trying to use the multicast address as host, or when providing interface index
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# passing an empty host appears to work, but probably not exactly how we want it to...
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discovery_socket.bind(('', self.discovery_port))
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if link_local_addr == None:
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RNS.log(str(self)+" No link-local IPv6 address configured for "+str(ifname)+", skipping interface", RNS.LOG_EXTREME)
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else:
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else:
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mcast_addr = self.mcast_discovery_address
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RNS.log(str(self)+" Creating multicast discovery listener on "+str(ifname)+" with address "+str(mcast_addr), RNS.LOG_EXTREME)
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# Struct with interface index
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if_struct = struct.pack("I", self.interface_name_to_index(ifname))
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# Set up multicast socket
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discovery_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if hasattr(socket, "SO_REUSEPORT"):
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discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, if_struct)
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# Join multicast group
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mcast_group = socket.inet_pton(socket.AF_INET6, mcast_addr) + if_struct
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discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mcast_group)
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# Bind socket
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if RNS.vendor.platformutils.is_windows():
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# window throws "[WinError 10049] The requested address is not valid in its context"
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# when trying to use the multicast address as host, or when providing interface index
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# passing an empty host appears to work, but probably not exactly how we want it to...
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discovery_socket.bind(('', self.discovery_port))
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if self.discovery_scope == AutoInterface.SCOPE_LINK:
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addr_info = socket.getaddrinfo(mcast_addr+"%"+ifname, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
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else:
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else:
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addr_info = socket.getaddrinfo(mcast_addr, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
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discovery_socket.bind(addr_info[0][4])
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if self.discovery_scope == AutoInterface.SCOPE_LINK:
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addr_info = socket.getaddrinfo(mcast_addr+"%"+ifname, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
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else:
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addr_info = socket.getaddrinfo(mcast_addr, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
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# Set up thread for discovery packets
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discovery_socket.bind(addr_info[0][4])
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def discovery_loop():
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self.discovery_handler(discovery_socket, ifname)
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thread = threading.Thread(target=discovery_loop)
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# Set up thread for discovery packets
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thread.daemon = True
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def discovery_loop():
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thread.start()
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self.discovery_handler(discovery_socket, ifname)
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suitable_interfaces += 1
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thread = threading.Thread(target=discovery_loop)
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thread.daemon = True
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thread.start()
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suitable_interfaces += 1
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except Exception as e:
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nice_name = self.netinfo.interface_name_to_nice_name(ifname)
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if nice_name != None and nice_name != ifname:
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RNS.log(f"Could not configure the system interface {nice_name} / {ifname} for use with {self}, skipping it. The contained exception was: {e}", RNS.LOG_ERROR)
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else:
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RNS.log(f"Could not configure the system interface {ifname} for use with {self}, skipping it. The contained exception was: {e}", RNS.LOG_ERROR)
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if suitable_interfaces == 0:
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if suitable_interfaces == 0:
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RNS.log(str(self)+" could not autoconfigure. This interface currently provides no connectivity.", RNS.LOG_WARNING)
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RNS.log(str(self)+" could not autoconfigure. This interface currently provides no connectivity.", RNS.LOG_WARNING)
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@ -18,6 +18,18 @@ def interface_names_to_indexes() -> dict:
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results[adapter.name] = adapter.index
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results[adapter.name] = adapter.index
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return results
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return results
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def interface_name_to_nice_name(ifname) -> str:
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try:
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adapters = RNS.vendor.ifaddr.get_adapters(include_unconfigured=True)
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for adapter in adapters:
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if adapter.name == ifname:
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if hasattr(adapter, "nice_name"):
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return adapter.nice_name
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except:
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return None
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return None
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def ifaddresses(ifname) -> dict:
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def ifaddresses(ifname) -> dict:
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adapters = RNS.vendor.ifaddr.get_adapters(include_unconfigured=True)
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adapters = RNS.vendor.ifaddr.get_adapters(include_unconfigured=True)
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ifa = {}
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ifa = {}
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