diff options
Diffstat (limited to 'src/conf_mode/interfaces-wireless.py')
| -rwxr-xr-x | src/conf_mode/interfaces-wireless.py | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/conf_mode/interfaces-wireless.py b/src/conf_mode/interfaces-wireless.py index 42842f9bd..148a7f6e0 100755 --- a/src/conf_mode/interfaces-wireless.py +++ b/src/conf_mode/interfaces-wireless.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2019-2020 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -25,7 +25,7 @@ from netaddr import EUI, mac_unix_expanded from vyos.config import Config from vyos.configdict import list_diff, vlan_to_dict -from vyos.ifconfig import WiFiIf +from vyos.ifconfig import WiFiIf, Section from vyos.ifconfig_vlan import apply_vlan_config, verify_vlan_config from vyos.template import render from vyos.util import chown, call @@ -88,7 +88,8 @@ default_config_data = { 'ip_enable_arp_announce': 0, 'ip_enable_arp_ignore': 0, 'ipv6_autoconf': 0, - 'ipv6_eui64_prefix': '', + 'ipv6_eui64_prefix': [], + 'ipv6_eui64_prefix_remove': [], 'ipv6_forwarding': 1, 'ipv6_dup_addr_detect': 1, 'is_bridge_member': False, @@ -368,9 +369,21 @@ def get_config(): if conf.exists('ipv6 address autoconf'): wifi['ipv6_autoconf'] = 1 - # Get prefix for IPv6 addressing based on MAC address (EUI-64) + # Get prefixes for IPv6 addressing based on MAC address (EUI-64) if conf.exists('ipv6 address eui64'): - wifi['ipv6_eui64_prefix'] = conf.return_value('ipv6 address eui64') + wifi['ipv6_eui64_prefix'] = conf.return_values('ipv6 address eui64') + + # Determine currently effective EUI64 addresses - to determine which + # address is no longer valid and needs to be removed + eff_addr = conf.return_effective_values('ipv6 address eui64') + wifi['ipv6_eui64_prefix_remove'] = list_diff(eff_addr, wifi['ipv6_eui64_prefix']) + + # Remove the default link-local address if set. + if conf.exists('ipv6 address no-default-link-local'): + wifi['ipv6_eui64_prefix_remove'].append('fe80::/64') + else: + # add the link-local by default to make IPv6 work + wifi['ipv6_eui64_prefix'].append('fe80::/64') # ARP enable ignore if conf.exists('ip enable-arp-ignore'): @@ -392,6 +405,12 @@ def get_config(): if conf.exists('mac'): wifi['mac'] = conf.return_value('mac') + # Find out if MAC has changed - if so, we need to delete all IPv6 EUI64 addresses + # before re-adding them + if ( wifi['mac'] and wifi['intf'] in Section.interfaces(section='wireless') + and wifi['mac'] != WiFiIf(wifi['intf'], create=False).get_mac() ): + wifi['ipv6_eui64_prefix_remove'] += wifi['ipv6_eui64_prefix'] + # Maximum number of wireless radio stations if conf.exists('max-stations'): wifi['max_stations'] = conf.return_value('max-stations') @@ -696,6 +715,10 @@ def apply(wifi): # ignore link state changes w.set_link_detect(wifi['disable_link_detect']) + # Delete old IPv6 EUI64 addresses before changing MAC + for addr in wifi['ipv6_eui64_prefix_remove']: + w.del_ipv6_eui64_address(addr) + # Change interface MAC address - re-set to real hardware address (hw-id) # if custom mac is removed if wifi['mac']: @@ -703,6 +726,10 @@ def apply(wifi): elif wifi['hw_id']: w.set_mac(wifi['hw_id']) + # Add IPv6 EUI-based addresses + for addr in wifi['ipv6_eui64_prefix']: + w.add_ipv6_eui64_address(addr) + # configure ARP filter configuration w.set_arp_filter(wifi['ip_disable_arp_filter']) # configure ARP accept @@ -713,8 +740,6 @@ def apply(wifi): w.set_arp_ignore(wifi['ip_enable_arp_ignore']) # IPv6 address autoconfiguration w.set_ipv6_autoconf(wifi['ipv6_autoconf']) - # IPv6 EUI-based address - w.set_ipv6_eui64_address(wifi['ipv6_eui64_prefix']) # IPv6 forwarding w.set_ipv6_forwarding(wifi['ipv6_forwarding']) # IPv6 Duplicate Address Detection (DAD) tries |