diff options
Diffstat (limited to 'src/conf_mode/interfaces-wireless.py')
-rwxr-xr-x | src/conf_mode/interfaces-wireless.py | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/src/conf_mode/interfaces-wireless.py b/src/conf_mode/interfaces-wireless.py index 498c24df0..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 @@ -25,12 +25,12 @@ 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.util import chown, is_bridge_member, call -from vyos import ConfigError from vyos.template import render - +from vyos.util import chown, call +from vyos.validate import is_bridge_member +from vyos import ConfigError default_config_data = { 'address': [], @@ -88,9 +88,11 @@ 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, 'mac' : '', 'max_stations' : '', 'mgmt_frame_protection' : 'disabled', @@ -136,6 +138,8 @@ def get_config(): cfg_base = 'interfaces wireless ' + wifi['intf'] if not conf.exists(cfg_base): wifi['deleted'] = True + # check if interface is member if a bridge + wifi['is_bridge_member'] = is_bridge_member(conf, wifi['intf']) # we can not bail out early as wireless interface can not be removed # Kernel will complain with: RTNETLINK answers: Operation not supported. # Thus we need to remove individual settings @@ -365,9 +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'): @@ -389,6 +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') @@ -442,6 +464,10 @@ def get_config(): wifi['sec_wpa_cipher'].append('CCMP') wifi['sec_wpa_cipher'].append('TKIP') + # WPA Group Cipher suite + if conf.exists('security wpa group-cipher'): + wifi['sec_wpa_group_cipher'] = conf.return_values('security wpa group-cipher') + # WPA personal shared pass phrase if conf.exists('security wpa passphrase'): wifi['sec_wpa_passphrase'] = conf.return_value('security wpa passphrase') @@ -524,15 +550,12 @@ def get_config(): def verify(wifi): if wifi['deleted']: - interface = wifi['intf'] - is_member, bridge = is_bridge_member(interface) - if is_member: - # can not use a f'' formatted-string here as bridge would not get - # expanded in the print statement - raise ConfigError('Can not delete interface "{0}" as it ' \ - 'is a member of bridge "{1}"!'.format(interface, bridge)) - return None + if wifi['is_bridge_member']: + interface = wifi['intf'] + bridge = wifi['is_bridge_member'] + raise ConfigError(f'Interface "{interface}" can not be deleted as it belongs to bridge "{bridge}"!') + return None if wifi['op_mode'] != 'monitor' and not wifi['ssid']: raise ConfigError('SSID must be set for {}'.format(wifi['intf'])) @@ -692,6 +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']: @@ -699,6 +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 @@ -709,8 +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 |