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Diffstat (limited to 'src/conf_mode/interfaces-wireless.py')
| -rwxr-xr-x | src/conf_mode/interfaces-wireless.py | 1471 |
1 files changed, 1471 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces-wireless.py b/src/conf_mode/interfaces-wireless.py new file mode 100755 index 000000000..17b0876a0 --- /dev/null +++ b/src/conf_mode/interfaces-wireless.py @@ -0,0 +1,1471 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019 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 +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os + +from jinja2 import Template +from copy import deepcopy +from sys import exit +from stat import S_IRWXU,S_IRGRP,S_IXGRP,S_IROTH,S_IXOTH +from pwd import getpwnam +from grp import getgrnam + +from subprocess import Popen, PIPE +from psutil import pid_exists + +from vyos.ifconfig import EthernetIf, VLANIf +from vyos.configdict import list_diff, vlan_to_dict +from vyos.config import Config +from vyos import ConfigError + +user = 'root' +group = 'vyattacfg' + +# Please be careful if you edit the template. +config_hostapd_tmpl = """ +### Autogenerated by interfaces-wireless.py ### +{% if description %} +# Description: {{ description }} +# User-friendly description of device; up to 32 octets encoded in UTF-8 +device_name={{ description | truncate(32, True) }} +{% endif %} + +# AP netdevice name (without 'ap' postfix, i.e., wlan0 uses wlan0ap for +# management frames with the Host AP driver); wlan0 with many nl80211 drivers +# Note: This attribute can be overridden by the values supplied with the '-i' +# command line parameter. +interface={{ intf }} + +# Driver interface type (hostap/wired/none/nl80211/bsd); +# default: hostap). nl80211 is used with all Linux mac80211 drivers. +# Use driver=none if building hostapd as a standalone RADIUS server that does +# not control any wireless/wired driver. +driver=nl80211 + +# +# What about bridge? +# bridge=br0 +# wds_sta=1 +# + +# Levels (minimum value for logged events): +# 0 = verbose debugging +# 1 = debugging +# 2 = informational messages +# 3 = notification +# 4 = warning +logger_syslog=-1 +logger_syslog_level=0 +logger_stdout=-1 +logger_stdout_level=0 + +{%- if country_code %} + +# Country code (ISO/IEC 3166-1). Used to set regulatory domain. +# Set as needed to indicate country in which device is operating. +# This can limit available channels and transmit power. +country_code={{ country_code }} + +# Enable IEEE 802.11d. This advertises the country_code and the set of allowed +# channels and transmit power levels based on the regulatory limits. The +# country_code setting must be configured with the correct country for +# IEEE 802.11d functions. +ieee80211d=1 +{% endif %} + +{%- if ssid %} + +# SSID to be used in IEEE 802.11 management frames +ssid={{ ssid }} +{% endif %} + +{%- if channel %} + +# Channel number (IEEE 802.11) +# (default: 0, i.e., not set) +# Please note that some drivers do not use this value from hostapd and the +# channel will need to be configured separately with iwconfig. +# +# If CONFIG_ACS build option is enabled, the channel can be selected +# automatically at run time by setting channel=acs_survey or channel=0, both of +# which will enable the ACS survey based algorithm. +channel={{ channel }} +{% endif %} + +{%- if mode %} + +# Operation mode (a = IEEE 802.11a (5 GHz), b = IEEE 802.11b (2.4 GHz), +# g = IEEE 802.11g (2.4 GHz), ad = IEEE 802.11ad (60 GHz); a/g options are used +# with IEEE 802.11n (HT), too, to specify band). For IEEE 802.11ac (VHT), this +# needs to be set to hw_mode=a. For IEEE 802.11ax (HE) on 6 GHz this needs +# to be set to hw_mode=a. When using ACS (see channel parameter), a +# special value "any" can be used to indicate that any support band can be used. +# This special case is currently supported only with drivers with which +# offloaded ACS is used. +{% if 'n' in mode -%} +hw_mode=g +ieee80211n=1 +{% elif 'ac' in mode -%} +hw_mode=a +ieee80211h=1 +ieee80211ac=1 +{% else -%} +hw_mode={{ mode }} +{% endif %} +{% endif %} + +# ieee80211w: Whether management frame protection (MFP) is enabled +# 0 = disabled (default) +# 1 = optional +# 2 = required +{% if 'disabled' in mgmt_frame_protection -%} +ieee80211w=0 +{% elif 'optional' in mgmt_frame_protection -%} +ieee80211w=1 +{% elif 'required' in mgmt_frame_protection -%} +ieee80211w=2 +{% endif %} + +# ht_capab: HT capabilities (list of flags) +# LDPC coding capability: [LDPC] = supported +# Supported channel width set: [HT40-] = both 20 MHz and 40 MHz with secondary +# channel below the primary channel; [HT40+] = both 20 MHz and 40 MHz +# with secondary channel above the primary channel +# (20 MHz only if neither is set) +# Note: There are limits on which channels can be used with HT40- and +# HT40+. Following table shows the channels that may be available for +# HT40- and HT40+ use per IEEE 802.11n Annex J: +# freq HT40- HT40+ +# 2.4 GHz 5-13 1-7 (1-9 in Europe/Japan) +# 5 GHz 40,48,56,64 36,44,52,60 +# (depending on the location, not all of these channels may be available +# for use) +# Please note that 40 MHz channels may switch their primary and secondary +# channels if needed or creation of 40 MHz channel maybe rejected based +# on overlapping BSSes. These changes are done automatically when hostapd +# is setting up the 40 MHz channel. +# Spatial Multiplexing (SM) Power Save: [SMPS-STATIC] or [SMPS-DYNAMIC] +# (SMPS disabled if neither is set) +# HT-greenfield: [GF] (disabled if not set) +# Short GI for 20 MHz: [SHORT-GI-20] (disabled if not set) +# Short GI for 40 MHz: [SHORT-GI-40] (disabled if not set) +# Tx STBC: [TX-STBC] (disabled if not set) +# Rx STBC: [RX-STBC1] (one spatial stream), [RX-STBC12] (one or two spatial +# streams), or [RX-STBC123] (one, two, or three spatial streams); Rx STBC +# disabled if none of these set +# HT-delayed Block Ack: [DELAYED-BA] (disabled if not set) +# Maximum A-MSDU length: [MAX-AMSDU-7935] for 7935 octets (3839 octets if not +# set) +# DSSS/CCK Mode in 40 MHz: [DSSS_CCK-40] = allowed (not allowed if not set) +# 40 MHz intolerant [40-INTOLERANT] (not advertised if not set) +# L-SIG TXOP protection support: [LSIG-TXOP-PROT] (disabled if not set) +{% if cap_ht %} +ht_capab= +{%- endif -%} + +{%- if cap_ht_40mhz_incapable -%} +[40-INTOLERANT] +{%- endif -%} + +{%- if cap_ht_delayed_block_ack -%} +[DELAYED-BA] +{%- endif -%} + +{%- if cap_ht_dsss_cck_40 -%} +[DSSS_CCK-40] +{%- endif -%} + +{%- if cap_ht_greenfield -%} +[GF] +{%- endif -%} + +{%- if cap_ht_ldpc -%} +[LDPC] +{%- endif -%} + +{%- if cap_ht_lsig_protection -%} +[LSIG-TXOP-PROT] +{%- endif -%} + +{%- if cap_ht_max_amsdu -%} +[MAX-AMSDU-{{ cap_ht_max_amsdu }}] +{%- endif -%} + +{%- if cap_ht_smps -%} +[SMPS-{{ cap_ht_smps | upper }}] +{%- endif -%} + +{%- if cap_ht_chan_set_width -%} +{%- for csw in cap_ht_chan_set_width -%} +[{{ csw | upper }}] +{%- endfor -%} +{%- endif -%} + +{%- if cap_ht_short_gi -%} +{%- for gi in cap_ht_short_gi -%} +[SHORT-GI-{{ gi }}] +{%- endfor -%} +{%- endif -%} + +{%- if cap_ht_stbc_tx -%} +[TX-STBC] +{%- endif -%} +{%- if cap_ht_stbc_rx -%} +[RX-STBC{{ cap_ht_stbc_rx }}] +{%- endif %} + +# Required for full HT and VHT functionality +wme_enabled=1 + +{% if cap_ht_powersave -%} +# WMM-PS Unscheduled Automatic Power Save Delivery [U-APSD] +# Enable this flag if U-APSD supported outside hostapd (eg., Firmware/driver) +uapsd_advertisement_enabled=1 +{%- endif %} + +{% if cap_req_ht -%} +# Require stations to support HT PHY (reject association if they do not) +require_ht=1 +{% endif %} + +# vht_capab: VHT capabilities (list of flags) +# +# vht_max_mpdu_len: [MAX-MPDU-7991] [MAX-MPDU-11454] +# Indicates maximum MPDU length +# 0 = 3895 octets (default) +# 1 = 7991 octets +# 2 = 11454 octets +# 3 = reserved +# +# supported_chan_width: [VHT160] [VHT160-80PLUS80] +# Indicates supported Channel widths +# 0 = 160 MHz & 80+80 channel widths are not supported (default) +# 1 = 160 MHz channel width is supported +# 2 = 160 MHz & 80+80 channel widths are supported +# 3 = reserved +# +# Rx LDPC coding capability: [RXLDPC] +# Indicates support for receiving LDPC coded pkts +# 0 = Not supported (default) +# 1 = Supported +# +# Short GI for 80 MHz: [SHORT-GI-80] +# Indicates short GI support for reception of packets transmitted with TXVECTOR +# params format equal to VHT and CBW = 80Mhz +# 0 = Not supported (default) +# 1 = Supported +# +# Short GI for 160 MHz: [SHORT-GI-160] +# Indicates short GI support for reception of packets transmitted with TXVECTOR +# params format equal to VHT and CBW = 160Mhz +# 0 = Not supported (default) +# 1 = Supported +# +# Tx STBC: [TX-STBC-2BY1] +# Indicates support for the transmission of at least 2x1 STBC +# 0 = Not supported (default) +# 1 = Supported +# +# Rx STBC: [RX-STBC-1] [RX-STBC-12] [RX-STBC-123] [RX-STBC-1234] +# Indicates support for the reception of PPDUs using STBC +# 0 = Not supported (default) +# 1 = support of one spatial stream +# 2 = support of one and two spatial streams +# 3 = support of one, two and three spatial streams +# 4 = support of one, two, three and four spatial streams +# 5,6,7 = reserved +# +# SU Beamformer Capable: [SU-BEAMFORMER] +# Indicates support for operation as a single user beamformer +# 0 = Not supported (default) +# 1 = Supported +# +# SU Beamformee Capable: [SU-BEAMFORMEE] +# Indicates support for operation as a single user beamformee +# 0 = Not supported (default) +# 1 = Supported +# +# Compressed Steering Number of Beamformer Antennas Supported: +# [BF-ANTENNA-2] [BF-ANTENNA-3] [BF-ANTENNA-4] +# Beamformee's capability indicating the maximum number of beamformer +# antennas the beamformee can support when sending compressed beamforming +# feedback +# If SU beamformer capable, set to maximum value minus 1 +# else reserved (default) +# +# Number of Sounding Dimensions: +# [SOUNDING-DIMENSION-2] [SOUNDING-DIMENSION-3] [SOUNDING-DIMENSION-4] +# Beamformer's capability indicating the maximum value of the NUM_STS parameter +# in the TXVECTOR of a VHT NDP +# If SU beamformer capable, set to maximum value minus 1 +# else reserved (default) +# +# MU Beamformer Capable: [MU-BEAMFORMER] +# Indicates support for operation as an MU beamformer +# 0 = Not supported or sent by Non-AP STA (default) +# 1 = Supported +# +# VHT TXOP PS: [VHT-TXOP-PS] +# Indicates whether or not the AP supports VHT TXOP Power Save Mode +# or whether or not the STA is in VHT TXOP Power Save mode +# 0 = VHT AP doesn't support VHT TXOP PS mode (OR) VHT STA not in VHT TXOP PS +# mode +# 1 = VHT AP supports VHT TXOP PS mode (OR) VHT STA is in VHT TXOP power save +# mode +# +# +HTC-VHT Capable: [HTC-VHT] +# Indicates whether or not the STA supports receiving a VHT variant HT Control +# field. +# 0 = Not supported (default) +# 1 = supported +# +# Maximum A-MPDU Length Exponent: [MAX-A-MPDU-LEN-EXP0]..[MAX-A-MPDU-LEN-EXP7] +# Indicates the maximum length of A-MPDU pre-EOF padding that the STA can recv +# This field is an integer in the range of 0 to 7. +# The length defined by this field is equal to +# 2 pow(13 + Maximum A-MPDU Length Exponent) -1 octets +# +# VHT Link Adaptation Capable: [VHT-LINK-ADAPT2] [VHT-LINK-ADAPT3] +# Indicates whether or not the STA supports link adaptation using VHT variant +# HT Control field +# If +HTC-VHTcapable is 1 +# 0 = (no feedback) if the STA does not provide VHT MFB (default) +# 1 = reserved +# 2 = (Unsolicited) if the STA provides only unsolicited VHT MFB +# 3 = (Both) if the STA can provide VHT MFB in response to VHT MRQ and if the +# STA provides unsolicited VHT MFB +# Reserved if +HTC-VHTcapable is 0 +# +# Rx Antenna Pattern Consistency: [RX-ANTENNA-PATTERN] +# Indicates the possibility of Rx antenna pattern change +# 0 = Rx antenna pattern might change during the lifetime of an association +# 1 = Rx antenna pattern does not change during the lifetime of an association +# +# Tx Antenna Pattern Consistency: [TX-ANTENNA-PATTERN] +# Indicates the possibility of Tx antenna pattern change +# 0 = Tx antenna pattern might change during the lifetime of an association +# 1 = Tx antenna pattern does not change during the lifetime of an association +{% if cap_vht %} +vht_capab= +{%- endif -%} + +{%- if cap_vht_max_mpdu -%} +[MAX-MPDU-{{ cap_vht_max_mpdu }}] +{%- endif -%} + +{%- if cap_vht_max_mpdu_exp -%} +[MAX-A-MPDU-LEN-EXP{{ cap_vht_max_mpdu_exp }}] +{%- endif -%} + +{%- if cap_vht_chan_set_width -%} +[MAX-A-MPDU-LEN-EXP{{ cap_vht_max_mpdu_exp }}] +{%- endif -%} + +{%- if cap_vht_chan_set_width -%} +{%- if '2' in cap_vht_chan_set_width -%} +[VHT160] +{%- elif '3' in cap_vht_chan_set_width -%} +[VHT160-80PLUS80] +{%- endif -%} +{%- endif -%} + +{%- if cap_vht_stbc_tx -%} +[TX-STBC-2BY1] +{%- endif -%} + +{%- if cap_vht_stbc_rx -%} +[RX-STBC-{{ cap_vht_stbc_rx }}] +{%- endif -%} + +{%- if cap_vht_link_adaptation -%} +{%- if 'unsolicited' in cap_vht_link_adaptation -%} +[VHT-LINK-ADAPT2] +{%- elif 'both' in cap_vht_link_adaptation -%} +[VHT-LINK-ADAPT3] +{%- endif -%} +{%- endif -%} + +{%- if cap_vht_short_gi -%} +{%- for gi in cap_vht_short_gi -%} +[SHORT-GI-{{ gi }}] +{%- endfor -%} +{%- endif -%} + +{%- if cap_vht_ldpc -%} +[RXLDPC] +{%- endif -%} + +{%- if cap_vht_tx_powersave -%} +[VHT-TXOP-PS] +{%- endif -%} + +{%- if cap_vht_vht_cf -%} +[HTC-VHT] +{%- endif -%} + +{%- if cap_vht_beamform -%} +{%- for beamform in cap_vht_beamform -%} +{%- if 'single-user-beamformer' in beamform -%} +[SU-BEAMFORMER] +{%- elif 'single-user-beamformee' in beamform -%} +[SU-BEAMFORMEE] +{%- elif 'multi-user-beamformer' in beamform -%} +[MU-BEAMFORMER] +{%- elif 'multi-user-beamformee' in beamform -%} +[MU-BEAMFORMEE] +{%- endif -%} +{%- endfor -%} +{%- endif -%} + +{%- if cap_vht_antenna_fixed -%} +[RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN] +{%- endif -%} + +{%- if cap_vht_antenna_cnt -%} +{%- for beamform in cap_vht_beamform -%} +{%- if 'single-user-beamformer' in beamform -%} +[BF-ANTENNA-{{ cap_vht_antenna_cnt|int -1 }}][SOUNDING-DIMENSION-{{ cap_vht_antenna_cnt|int -1}}] +{%- else -%} +[BF-ANTENNA-{{ cap_vht_antenna_cnt }}][SOUNDING-DIMENSION-{{ cap_vht_antenna_cnt }}] +{%- endif -%} +{%- endfor -%} +{%- endif %} + +# ieee80211n: Whether IEEE 802.11n (HT) is enabled +# 0 = disabled (default) +# 1 = enabled +# Note: You will also need to enable WMM for full HT functionality. +# Note: hw_mode=g (2.4 GHz) and hw_mode=a (5 GHz) is used to specify the band. +{% if cap_req_vht -%} +ieee80211n=0 +# Require stations to support VHT PHY (reject association if they do not) +require_vht=1 +{% endif %} + +{% if cap_vht_center_freq_1 -%} +# center freq = 5 GHz + (5 * index) +# So index 42 gives center freq 5.210 GHz +# which is channel 42 in 5G band +vht_oper_centr_freq_seg0_idx={{ cap_vht_center_freq_1 }} +{% endif %} + +{% if cap_vht_center_freq_2 -%} +# center freq = 5 GHz + (5 * index) +# So index 159 gives center freq 5.795 GHz +# which is channel 159 in 5G band +vht_oper_centr_freq_seg1_idx={{ cap_vht_center_freq_2 }} +{% endif %} + +{% if disable_broadcast_ssid -%} +# Send empty SSID in beacons and ignore probe request frames that do not +# specify full SSID, i.e., require stations to know SSID. +# default: disabled (0) +# 1 = send empty (length=0) SSID in beacon and ignore probe request for +# broadcast SSID +# 2 = clear SSID (ASCII 0), but keep the original length (this may be required +# with some clients that do not support empty SSID) and ignore probe +# requests for broadcast SSID +ignore_broadcast_ssid=1 +{% endif %} + +# Station MAC address -based authentication +# Please note that this kind of access control requires a driver that uses +# hostapd to take care of management frame processing and as such, this can be +# used with driver=hostap or driver=nl80211, but not with driver=atheros. +# 0 = accept unless in deny list +# 1 = deny unless in accept list +# 2 = use external RADIUS server (accept/deny lists are searched first) +macaddr_acl=0 + +{% if max_stations -%} +# Maximum number of stations allowed in station table. New stations will be +# rejected after the station table is full. IEEE 802.11 has a limit of 2007 +# different association IDs, so this number should not be larger than that. +# (default: 2007) +max_num_sta={{ max_stations }} +{% endif %} + +{% if isolate_stations -%} +# Client isolation can be used to prevent low-level bridging of frames between +# associated stations in the BSS. By default, this bridging is allowed. +ap_isolate=1 +{% endif %} + +{% if reduce_transmit_power -%} +# Add Power Constraint element to Beacon and Probe Response frames +# This config option adds Power Constraint element when applicable and Country +# element is added. Power Constraint element is required by Transmit Power +# Control. This can be used only with ieee80211d=1. +# Valid values are 0..255. +local_pwr_constraint={{ reduce_transmit_power }} +{% endif %} + +{% if expunge_failing_stations -%} +# Disassociate stations based on excessive transmission failures or other +# indications of connection loss. This depends on the driver capabilities and +# may not be available with all drivers. +disassoc_low_ack=1 +{% endif %} + +{% if sec_wep -%} +# IEEE 802.11 specifies two authentication algorithms. hostapd can be +# configured to allow both of these or only one. Open system authentication +# should be used with IEEE 802.1X. +# Bit fields of allowed authentication algorithms: +# bit 0 = Open System Authentication +# bit 1 = Shared Key Authentication (requires WEP) +auth_algs=2 + +# WEP rekeying (disabled if key lengths are not set or are set to 0) +# Key lengths for default/broadcast and individual/unicast keys: +# 5 = 40-bit WEP (also known as 64-bit WEP with 40 secret bits) +# 13 = 104-bit WEP (also known as 128-bit WEP with 104 secret bits) +wep_key_len_broadcast=5 +wep_key_len_unicast=5 + +# Static WEP key configuration +# +# The key number to use when transmitting. +# It must be between 0 and 3, and the corresponding key must be set. +# default: not set +wep_default_key=0 + +# The WEP keys to use. +# A key may be a quoted string or unquoted hexadecimal digits. +# The key length should be 5, 13, or 16 characters, or 10, 26, or 32 +# digits, depending on whether 40-bit (64-bit), 104-bit (128-bit), or +# 128-bit (152-bit) WEP is used. +# Only the default key must be supplied; the others are optional. +{% if sec_wep_key -%} +{% for key in sec_wep_key -%} +wep_key{{ loop.index -1 }}={{ key}} +{% endfor %} +{%- endif %} + +{% elif sec_wpa -%} +##### WPA/IEEE 802.11i configuration ########################################## + +# Enable WPA. Setting this variable configures the AP to require WPA (either +# WPA-PSK or WPA-RADIUS/EAP based on other configuration). For WPA-PSK, either +# wpa_psk or wpa_passphrase must be set and wpa_key_mgmt must include WPA-PSK. +# Instead of wpa_psk / wpa_passphrase, wpa_psk_radius might suffice. +# For WPA-RADIUS/EAP, ieee8021x must be set (but without dynamic WEP keys), +# RADIUS authentication server must be configured, and WPA-EAP must be included +# in wpa_key_mgmt. +# This field is a bit field that can be used to enable WPA (IEEE 802.11i/D3.0) +# and/or WPA2 (full IEEE 802.11i/RSN): +# bit0 = WPA +# bit1 = IEEE 802.11i/RSN (WPA2) (dot11RSNAEnabled) +{% if 'both' in sec_wpa_mode -%} +wpa=3 +{%- elif 'wpa2' in sec_wpa_mode -%} +wpa=2 +{%- elif 'wpa' in sec_wpa_mode -%} +wpa=1 +{%- endif %} + +{% if sec_wpa_cipher -%} +# Set of accepted cipher suites (encryption algorithms) for pairwise keys +# (unicast packets). This is a space separated list of algorithms: +# CCMP = AES in Counter mode with CBC-MAC (CCMP-128) +# TKIP = Temporal Key Integrity Protocol +# CCMP-256 = AES in Counter mode with CBC-MAC with 256-bit key +# GCMP = Galois/counter mode protocol (GCMP-128) +# GCMP-256 = Galois/counter mode protocol with 256-bit key +# Group cipher suite (encryption algorithm for broadcast and multicast frames) +# is automatically selected based on this configuration. If only CCMP is +# allowed as the pairwise cipher, group cipher will also be CCMP. Otherwise, +# TKIP will be used as the group cipher. The optional group_cipher parameter can +# be used to override this automatic selection. +{% if 'wpa2' in sec_wpa_mode -%} +# Pairwise cipher for RSN/WPA2 (default: use wpa_pairwise value) +rsn_pairwise={{ sec_wpa_cipher | join(" ") }} +{% else -%} +# Pairwise cipher for WPA (v1) (default: TKIP) +wpa_pairwise={{ sec_wpa_cipher | join(" ") }} +{%- endif -%} +{% endif %} + +{% if sec_wpa_passphrase -%} +# IEEE 802.11 specifies two authentication algorithms. hostapd can be +# configured to allow both of these or only one. Open system authentication +# should be used with IEEE 802.1X. +# Bit fields of allowed authentication algorithms: +# bit 0 = Open System Authentication +# bit 1 = Shared Key Authentication (requires WEP) +auth_algs=1 + +# WPA pre-shared keys for WPA-PSK. This can be either entered as a 256-bit +# secret in hex format (64 hex digits), wpa_psk, or as an ASCII passphrase +# (8..63 characters) that will be converted to PSK. This conversion uses SSID +# so the PSK changes when ASCII passphrase is used and the SSID is changed. +wpa_passphrase={{ sec_wpa_passphrase }} + +# Set of accepted key management algorithms (WPA-PSK, WPA-EAP, or both). The +# entries are separated with a space. WPA-PSK-SHA256 and WPA-EAP-SHA256 can be +# added to enable SHA256-based stronger algorithms. +# WPA-PSK = WPA-Personal / WPA2-Personal +# WPA-PSK-SHA256 = WPA2-Personal using SHA256 +wpa_key_mgmt=WPA-PSK + +{% elif sec_wpa_radius -%} +##### IEEE 802.1X-2004 related configuration ################################## +# Require IEEE 802.1X authorization +ieee8021x=1 + +# Set of accepted key management algorithms (WPA-PSK, WPA-EAP, or both). The +# entries are separated with a space. WPA-PSK-SHA256 and WPA-EAP-SHA256 can be +# added to enable SHA256-based stronger algorithms. +# WPA-EAP = WPA-Enterprise / WPA2-Enterprise +# WPA-EAP-SHA256 = WPA2-Enterprise using SHA256 +wpa_key_mgmt=WPA-EAP + +{% if sec_wpa_radius_source -%} +# RADIUS client forced local IP address for the access point +# Normally the local IP address is determined automatically based on configured +# IP addresses, but this field can be used to force a specific address to be +# used, e.g., when the device has multiple IP addresses. +radius_client_addr={{ sec_wpa_radius_source }} +{% endif %} + +{% for radius in sec_wpa_radius -%} +# RADIUS authentication server +auth_server_addr={{ radius.server }} +auth_server_port={{ radius.port }} +auth_server_shared_secret={{ radius.key }} +{% if radius.acc_port -%} +# RADIUS accounting server +acct_server_addr={{ radius.server }} +acct_server_port={{ radius.acc_port }} +acct_server_shared_secret={{ radius.key }} +{% endif %} +{% endfor %} + +{% endif %} + +{% else %} +# Open system +auth_algs=1 +{% endif %} + +# TX queue parameters (EDCF / bursting) +# tx_queue_<queue name>_<param> +# queues: data0, data1, data2, data3 +# (data0 is the highest priority queue) +# parameters: +# aifs: AIFS (default 2) +# cwmin: cwMin (1, 3, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, +# 16383, 32767) +# cwmax: cwMax (same values as cwMin, cwMax >= cwMin) +# burst: maximum length (in milliseconds with precision of up to 0.1 ms) for +# bursting +# +# Default WMM parameters (IEEE 802.11 draft; 11-03-0504-03-000e): +# These parameters are used by the access point when transmitting frames +# to the clients. +# +# Low priority / AC_BK = background +tx_queue_data3_aifs=7 +tx_queue_data3_cwmin=15 +tx_queue_data3_cwmax=1023 +tx_queue_data3_burst=0 +# Note: for IEEE 802.11b mode: cWmin=31 cWmax=1023 burst=0 +# +# Normal priority / AC_BE = best effort +tx_queue_data2_aifs=3 +tx_queue_data2_cwmin=15 +tx_queue_data2_cwmax=63 +tx_queue_data2_burst=0 +# Note: for IEEE 802.11b mode: cWmin=31 cWmax=127 burst=0 +# +# High priority / AC_VI = video +tx_queue_data1_aifs=1 +tx_queue_data1_cwmin=7 +tx_queue_data1_cwmax=15 +tx_queue_data1_burst=3.0 +# Note: for IEEE 802.11b mode: cWmin=15 cWmax=31 burst=6.0 +# +# Highest priority / AC_VO = voice +tx_queue_data0_aifs=1 +tx_queue_data0_cwmin=3 +tx_queue_data0_cwmax=7 +tx_queue_data0_burst=1.5 + +# Default WMM parameters (IEEE 802.11 draft; 11-03-0504-03-000e): +# for 802.11a or 802.11g networks +# These parameters are sent to WMM clients when they associate. +# The parameters will be used by WMM clients for frames transmitted to the +# access point. +# +# note - txop_limit is in units of 32microseconds +# note - acm is admission control mandatory flag. 0 = admission control not +# required, 1 = mandatory +# note - Here cwMin and cmMax are in exponent form. The actual cw value used +# will be (2^n)-1 where n is the value given here. The allowed range for these +# wmm_ac_??_{cwmin,cwmax} is 0..15 with cwmax >= cwmin. +# +wmm_enabled=1 + +# Low priority / AC_BK = background +wmm_ac_bk_cwmin=4 +wmm_ac_bk_cwmax=10 +wmm_ac_bk_aifs=7 +wmm_ac_bk_txop_limit=0 +wmm_ac_bk_acm=0 +# Note: for IEEE 802.11b mode: cWmin=5 cWmax=10 +# +# Normal priority / AC_BE = best effort +wmm_ac_be_aifs=3 +wmm_ac_be_cwmin=4 +wmm_ac_be_cwmax=10 +wmm_ac_be_txop_limit=0 +wmm_ac_be_acm=0 +# Note: for IEEE 802.11b mode: cWmin=5 cWmax=7 +# +# High priority / AC_VI = video +wmm_ac_vi_aifs=2 +wmm_ac_vi_cwmin=3 +wmm_ac_vi_cwmax=4 +wmm_ac_vi_txop_limit=94 +wmm_ac_vi_acm=0 +# Note: for IEEE 802.11b mode: cWmin=4 cWmax=5 txop_limit=188 +# +# Highest priority / AC_VO = voice +wmm_ac_vo_aifs=2 +wmm_ac_vo_cwmin=2 +wmm_ac_vo_cwmax=3 +wmm_ac_vo_txop_limit=47 +wmm_ac_vo_acm=0 + +""" + +# Please be careful if you edit the template. +config_wpa_suppl_tmpl = """ +# WPA supplicant config +network={ + ssid="{{ ssid }}" +{%- if sec_wpa_passphrase %} + psk="{{ sec_wpa_passphrase }}" +{% endif %} +} + +""" + +default_config_data = { + 'address': [], + 'address_remove': [], + 'cap_ht' : False, + 'cap_ht_40mhz_incapable' : False, + 'cap_ht_powersave' : False, + 'cap_ht_chan_set_width' : '', + 'cap_ht_delayed_block_ack' : False, + 'cap_ht_dsss_cck_40' : False, + 'cap_ht_greenfield' : False, + 'cap_ht_ldpc' : False, + 'cap_ht_lsig_protection' : False, + 'cap_ht_max_amsdu' : '', + 'cap_ht_short_gi' : [], + 'cap_ht_smps' : '', + 'cap_ht_stbc_rx' : '', + 'cap_ht_stbc_tx' : False, + 'cap_req_ht' : False, + 'cap_req_vht' : False, + 'cap_vht' : False, + 'cap_vht_antenna_cnt' : '', + 'cap_vht_antenna_fixed' : False, + 'cap_vht_beamform' : '', + 'cap_vht_center_freq_1' : '', + 'cap_vht_center_freq_2' : '', + 'cap_vht_chan_set_width' : '', + 'cap_vht_ldpc' : False, + 'cap_vht_link_adaptation' : False, + 'cap_vht_max_mpdu_exp' : '', + 'cap_vht_max_mpdu' : '', + 'cap_vht_short_gi' : [], + 'cap_vht_stbc_rx' : '', + 'cap_vht_stbc_tx' : False, + 'cap_vht_tx_powersave' : False, + 'cap_vht_vht_cf' : False, + 'channel': '', + 'country_code': '', + 'description': '', + 'deleted': False, + 'dhcp_client_id': '', + 'dhcp_hostname': '', + 'dhcp_vendor_class_id': '', + 'dhcpv6_prm_only': False, + 'dhcpv6_temporary': False, + 'disable': False, + 'disable_broadcast_ssid' : False, + 'disable_link_detect' : 1, + 'expunge_failing_stations' : False, + 'hw_id' : '', + 'intf': '', + 'isolate_stations' : False, + 'mac' : '', + 'max_stations' : '', + 'mgmt_frame_protection' : 'disabled', + 'mode' : 'g', + 'phy' : '', + 'reduce_transmit_power' : '', + 'sec_wep' : False, + 'sec_wep_key' : [], + 'sec_wpa' : False, + 'sec_wpa_cipher' : [], + 'sec_wpa_mode' : 'both', + 'sec_wpa_passphrase' : '', + 'sec_wpa_radius' : [], + 'ssid' : '', + 'type' : 'monitor', + 'vif': [], + 'vif_remove': [] +} + +def get_conf_file(conf_type, intf): + cfg_dir = '/var/run/' + conf_type + + # create directory on demand + if not os.path.exists(cfg_dir): + os.mkdir(cfg_dir) + # fix permissions - corresponds to mode 755 + os.chmod(cfg_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) + uid = getpwnam(user).pw_uid + gid = getgrnam(group).gr_gid + os.chown(cfg_dir, uid, gid) + + cfg_file = cfg_dir + r'/{}.cfg'.format(intf) + return cfg_file + +def get_pid(conf_type, intf): + cfg_dir = '/var/run/' + conf_type + + # create directory on demand + if not os.path.exists(cfg_dir): + os.mkdir(cfg_dir) + # fix permissions - corresponds to mode 755 + os.chmod(cfg_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) + uid = getpwnam(user).pw_uid + gid = getgrnam(group).gr_gid + os.chown(cfg_dir, uid, gid) + + cfg_file = cfg_dir + r'/{}.pid'.format(intf) + return cfg_file + + +def get_wpa_suppl_config_name(intf): + cfg_dir = '/var/run/wpa_supplicant' + + # create directory on demand + if not os.path.exists(cfg_dir): + os.mkdir(cfg_dir) + # fix permissions - corresponds to mode 755 + os.chmod(cfg_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) + uid = getpwnam(user).pw_uid + gid = getgrnam(group).gr_gid + os.chown(cfg_dir, uid, gid) + + cfg_file = cfg_dir + r'/{}.cfg'.format(intf) + return cfg_file + +def subprocess_cmd(command): + p = Popen(command, stdout=PIPE, shell=True) + p.communicate() + + +def apply_vlan_config(vlan, config): + """ + Generic function to apply a VLAN configuration from a dictionary + to a VLAN interface + """ + + if type(vlan) != type(VLANIf("lo")): + raise TypeError() + + # update interface description used e.g. within SNMP + vlan.set_alias(config['description']) + # ignore link state changes + vlan.set_link_detect(config['disable_link_detect']) + # Maximum Transmission Unit (MTU) + vlan.set_mtu(config['mtu']) + # Change VLAN interface MAC address + if config['mac']: + vlan.set_mac(config['mac']) + + # enable/disable VLAN interface + if config['disable']: + vlan.set_state('down') + else: + vlan.set_state('up') + + # Configure interface address(es) + # - not longer required addresses get removed first + # - newly addresses will be added second + for addr in config['address_remove']: + vlan.del_addr(addr) + for addr in config['address']: + vlan.add_addr(addr) + + +def get_config(): + wifi = deepcopy(default_config_data) + conf = Config() + + # determine tagNode instance + try: + wifi['intf'] = os.environ['VYOS_TAGNODE_VALUE'] + except KeyError as E: + print("Interface not specified") + + # check if wireless interface has been removed + cfg_base = 'interfaces wireless ' + wifi['intf'] + if not conf.exists(cfg_base): + wifi['deleted'] = True + # 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 + return wifi + + # set new configuration level + conf.set_level(cfg_base) + + # retrieve configured interface addresses + if conf.exists('address'): + wifi['address'] = conf.return_values('address') + + # get interface addresses (currently effective) - to determine which + # address is no longer valid and needs to be removed + eff_addr = conf.return_effective_values('address') + wifi['address_remove'] = list_diff(eff_addr, wifi['address']) + + # 40MHz intolerance, use 20MHz only + if conf.exists('capabilities ht 40mhz-incapable'): + wifi['cap_ht'] = True + wifi['cap_ht_40mhz_incapable'] = True + + # WMM-PS Unscheduled Automatic Power Save Delivery [U-APSD] + if conf.exists('capabilities ht auto-powersave'): + wifi['cap_ht'] = True + wifi['cap_ht_powersave'] = True + + # Supported channel set width + if conf.exists('capabilities ht channel-set-width'): + wifi['cap_ht'] = True + wifi['cap_ht_chan_set_width'] = conf.return_values('capabilities ht channel-set-width') + + # HT-delayed Block Ack + if conf.exists('capabilities ht delayed-block-ack'): + wifi['cap_ht'] = True + wifi['cap_ht_delayed_block_ack'] = True + + # DSSS/CCK Mode in 40 MHz + if conf.exists('capabilities ht dsss-cck-40'): + wifi['cap_ht'] = True + wifi['cap_ht_dsss_cck_40'] = True + + # HT-greenfield capability + if conf.exists('capabilities ht greenfield'): + wifi['cap_ht'] = True + wifi['cap_ht_greenfield'] = True + + # LDPC coding capability + if conf.exists('capabilities ht ldpc'): + wifi['cap_ht'] = True + wifi['cap_ht_ldpc'] = True + + # L-SIG TXOP protection capability + if conf.exists('capabilities ht lsig-protection'): + wifi['cap_ht'] = True + wifi['cap_ht_lsig_protection'] = True + + # Set Maximum A-MSDU length + if conf.exists('capabilities ht max-amsdu'): + wifi['cap_ht'] = True + wifi['cap_ht_max_amsdu'] = conf.return_value('capabilities ht max-amsdu') + + # Short GI capabilities + if conf.exists('capabilities ht short-gi'): + wifi['cap_ht'] = True + wifi['cap_ht_short_gi'] = conf.return_values('capabilities ht short-gi') + + # Spatial Multiplexing Power Save (SMPS) settings + if conf.exists('capabilities ht smps'): + wifi['cap_ht'] = True + wifi['cap_ht_smps'] = conf.return_value('capabilities ht smps') + + # Support for receiving PPDU using STBC (Space Time Block Coding) + if conf.exists('capabilities ht stbc rx'): + wifi['cap_ht'] = True + wifi['cap_ht_stbc_rx'] = conf.return_value('capabilities ht stbc rx') + + # Support for sending PPDU using STBC (Space Time Block Coding) + if conf.exists('capabilities ht stbc tx'): + wifi['cap_ht'] = True + wifi['cap_ht_stbc_tx'] = True + + # Require stations to support HT PHY (reject association if they do not) + if conf.exists('capabilities require-ht'): + wifi['cap_req_ht'] = True + + # Require stations to support VHT PHY (reject association if they do not) + if conf.exists('capabilities require-vht'): + wifi['cap_req_vht'] = True + + # Number of antennas on this card + if conf.exists('capabilities vht antenna-count'): + wifi['cap_vht'] = True + wifi['cap_vht_antenna_cnt'] = conf.return_value('capabilities vht antenna-count') + + # set if antenna pattern does not change during the lifetime of an association + if conf.exists('capabilities vht antenna-pattern-fixed'): + wifi['cap_vht'] = True + wifi['cap_vht_antenna_fixed'] = True + + # Beamforming capabilities + if conf.exists('capabilities vht beamform'): + wifi['cap_vht'] = True + wifi['cap_vht_beamform'] = conf.return_values('capabilities vht beamform') + + # VHT operating channel center frequency - center freq 1 (for use with 80, 80+80 and 160 modes) + if conf.exists('capabilities vht center-channel-freq freq-1'): + wifi['cap_vht'] = True + wifi['cap_vht_center_freq_1'] = conf.return_value('capabilities vht center-channel-freq freq-1') + + # VHT operating channel center frequency - center freq 2 (for use with the 80+80 mode) + if conf.exists('capabilities vht center-channel-freq freq-2'): + wifi['cap_vht'] = True + wifi['cap_vht_center_freq_2'] = conf.return_value('capabilities vht center-channel-freq freq-2') + + # VHT operating Channel width + if conf.exists('capabilities vht channel-set-width'): + wifi['cap_vht'] = True + wifi['cap_vht_chan_set_width'] = conf.return_value('capabilities vht channel-set-width') + + # LDPC coding capability + if conf.exists('capabilities vht ldpc'): + wifi['cap_vht'] = True + wifi['cap_vht_ldpc'] = True + + # VHT link adaptation capabilities + if conf.exists('capabilities vht link-adaptation'): + wifi['cap_vht'] = True + wifi['cap_vht_link_adaptation'] = True + + # Set the maximum length of A-MPDU pre-EOF padding that the station can receive + if conf.exists('capabilities vht max-mpdu-exp'): + wifi['cap_vht'] = True + wifi['cap_vht_max_mpdu_exp'] = conf.return_value('capabilities vht max-mpdu-exp') + + # Increase Maximum MPDU length + if conf.exists('capabilities vht max-mpdu'): + wifi['cap_vht'] = True + wifi['cap_vht_max_mpdu'] = conf.return_value('capabilities vht max-mpdu') + + # Increase Maximum MPDU length + if conf.exists('capabilities vht short-gi'): + wifi['cap_vht'] = True + wifi['cap_vht_short_gi'] = conf.return_values('capabilities vht short-gi') + + # Support for receiving PPDU using STBC (Space Time Block Coding) + if conf.exists('capabilities vht stbc rx'): + wifi['cap_vht'] = True + wifi['cap_vht_stbc_rx'] = conf.return_value('capabilities vht stbc rx') + + # Support for the transmission of at least 2x1 STBC (Space Time Block Coding) + if conf.exists('capabilities vht stbc tx'): + wifi['cap_vht'] = True + wifi['cap_vht_stbc_tx'] = True + + # Support for VHT TXOP Power Save Mode + if conf.exists('capabilities vht tx-powersave'): + wifi['cap_vht'] = True + wifi['cap_vht_tx_powersave'] = True + + # STA supports receiving a VHT variant HT Control field + if conf.exists('capabilities vht vht-cf'): + wifi['cap_vht'] = True + wifi['cap_vht_vht_cf'] = True + + # Wireless radio channel + if conf.exists('channel'): + wifi['channel'] = conf.return_value('channel') + + # retrieve interface description + if conf.exists('description'): + wifi['description'] = conf.return_value('description') + + # get DHCP client identifier + if conf.exists('dhcp-options client-id'): + wifi['dhcp_client_id'] = conf.return_value('dhcp-options client-id') + + # DHCP client host name (overrides the system host name) + if conf.exists('dhcp-options host-name'): + wifi['dhcp_hostname'] = conf.return_value('dhcp-options host-name') + + # DHCP client vendor identifier + if conf.exists('dhcp-options vendor-class-id'): + wifi['dhcp_vendor_class_id'] = conf.return_value('dhcp-options vendor-class-id') + + # DHCPv6 only acquire config parameters, no address + if conf.exists('dhcpv6-options parameters-only'): + wifi['dhcpv6_prm_only'] = conf.return_value('dhcpv6-options parameters-only') + + # DHCPv6 temporary IPv6 address + if conf.exists('dhcpv6-options temporary'): + wifi['dhcpv6_temporary'] = conf.return_value('dhcpv6-options temporary') + + # Disable broadcast of SSID from access-point + if conf.exists('disable-broadcast-ssid'): + wifi['disable_broadcast_ssid'] = True + + # ignore link state changes on this interface + if conf.exists('disable-link-detect'): + wifi['disable_link_detect'] = 2 + + # Disassociate stations based on excessive transmission failures + if conf.exists('expunge-failing-stations'): + wifi['expunge_failing_stations'] = True + + # retrieve real hardware address + if conf.exists('hw-id'): + wifi['hw_id'] = conf.return_value('hw-id') + + # Isolate stations on the AP so they cannot see each other + if conf.exists('isolate-stations'): + wifi['isolate_stations'] = True + + # Media Access Control (MAC) address + if conf.exists('mac'): + wifi['mac'] = conf.return_value('mac') + + # Maximum number of wireless radio stations + if conf.exists('max-stations'): + wifi['max_stations'] = conf.return_value('max-stations') + + # Management Frame Protection (MFP) according to IEEE 802.11w + if conf.exists('mgmt-frame-protection'): + wifi['mgmt_frame_protection'] = conf.return_value('mgmt-frame-protection') + + # Wireless radio mode + if conf.exists('mode'): + wifi['mode'] = conf.return_value('mode') + + # Wireless physical device + if conf.exists('phy'): + wifi['phy'] = conf.return_value('phy') + + # Transmission power reduction in dBm + if conf.exists('reduce-transmit-power'): + wifi['reduce_transmit_power'] = conf.return_value('reduce-transmit-power') + + # WEP enabled? + if conf.exists('security wep'): + wifi['sec_wep'] = True + + # WEP encryption key(s) + if conf.exists('security wep key'): + wifi['sec_wep_key'] = conf.return_values('security wep key') + + # WPA enabled? + if conf.exists('security wpa'): + wifi['sec_wpa'] = True + + # WPA Cipher suite + if conf.exists('security wpa cipher'): + wifi['sec_wpa_cipher'] = conf.return_values('security wpa cipher') + + # WPA mode + if conf.exists('security wpa mode'): + wifi['sec_wpa_mode'] = conf.return_value('security wpa mode') + + # WPA default ciphers depend on WPA mode + if not wifi['sec_wpa_cipher']: + if wifi['sec_wpa_mode'] == 'wpa': + wifi['sec_wpa_cipher'].append('TKIP') + wifi['sec_wpa_cipher'].append('CCMP') + + elif wifi['sec_wpa_mode'] == 'wpa2': + wifi['sec_wpa_cipher'].append('CCMP') + + elif wifi['sec_wpa_mode'] == 'both': + wifi['sec_wpa_cipher'].append('CCMP') + wifi['sec_wpa_cipher'].append('TKIP') + + # WPA personal shared pass phrase + if conf.exists('security wpa passphrase'): + wifi['sec_wpa_passphrase'] = conf.return_value('security wpa passphrase') + + # WPA RADIUS source address + if conf.exists('security wpa radius source-address'): + wifi['sec_wpa_radius_source'] = conf.return_value('security wpa radius source-address') + + # WPA RADIUS server + for server in conf.list_nodes('security wpa radius server'): + # set new configuration level + conf.set_level(cfg_base + ' security wpa radius server ' + server) + radius = { + 'server' : server, + 'acc_port' : '', + 'port' : 1812, + 'key' : '' + } + + # RADIUS server port + if conf.exists('port'): + radius['port'] = int(conf.return_value('port')) + + # receive RADIUS accounting info + if conf.exists('accounting'): + radius['acc_port'] = radius['port'] + 1 + + # RADIUS server shared-secret + if conf.exists('key'): + radius['key'] = conf.return_value('key') + + # append RADIUS server to list of servers + wifi['sec_wpa_radius'].append(radius) + + # re-set configuration level to parse new nodes + conf.set_level(cfg_base) + + # Wireless access-point service set identifier (SSID) + if conf.exists('ssid'): + wifi['ssid'] = conf.return_value('ssid') + + # Wireless device type for this interface + if conf.exists('type'): + wifi['type'] = conf.return_value('type') + + # re-set configuration level to parse new nodes + conf.set_level(cfg_base) + # Determine vif interfaces (currently effective) - to determine which + # vif interface is no longer present and needs to be removed + eff_intf = conf.list_effective_nodes('vif') + act_intf = conf.list_nodes('vif') + wifi['vif_remove'] = list_diff(eff_intf, act_intf) + + if conf.exists('vif'): + for vif in conf.list_nodes('vif'): + # set config level to vif interface + conf.set_level(cfg_base + ' vif ' + vif) + wifi['vif'].append(vlan_to_dict(conf)) + + + # retrieve configured regulatory domain + conf.set_level('system') + if conf.exists('wifi-regulatory-domain'): + wifi['country_code'] = conf.return_value('wifi-regulatory-domain') + + return wifi + + +def verify(wifi): + if wifi['deleted']: + return None + + if wifi['type'] != 'monitor' and not wifi['ssid']: + raise ConfigError('SSID must be set for {}'.format(wifi['intf'])) + + if wifi['type'] == 'access-point' and not wifi['channel']: + raise ConfigError('Channel must be set for {}'.format(wifi['intf'])) + + if len(wifi['sec_wep_key']) > 4: + raise ConfigError('No more then 4 WEP keys configurable') + + if wifi['cap_vht'] and not wifi['cap_ht']: + raise ConfigError('Specify HT flags if you want to use VHT!') + + if wifi['cap_vht_beamform'] and wifi['cap_vht_antenna_cnt'] == 1: + raise ConfigError('Cannot use beam forming with just one antenna!') + + if wifi['sec_wep'] and (len(wifi['sec_wep_key']) == 0): + raise ConfigError('Missing WEP keys') + + if wifi['sec_wpa'] and not (wifi['sec_wpa_passphrase'] or wifi['sec_wpa_radius']): + raise ConfigError('Misssing WPA key or RADIUS server') + + for radius in wifi['sec_wpa_radius']: + if not radius['key']: + raise ConfigError('Misssing RADIUS shared secret key for server: {}'.format(radius['server'])) + + conf = Config() + if not conf.exists('system wifi-regulatory-domain'): + raise ConfigError('Wireless regulatory domain is mandatory.\n' \ + 'Use "set system wifi-regulatory-domain" to set.') + + return None + +def generate(wifi): + pid = 0 + # always stop hostapd service first before reconfiguring it + pidfile = get_pid('hostapd', wifi['intf']) + if os.path.isfile(pidfile): + pid = 0 + with open(pidfile, 'r') as f: + pid = int(f.read()) + + if pid_exists(pid): + cmd = 'start-stop-daemon --stop --quiet' + cmd += ' --pidfile ' + pidfile + subprocess_cmd(cmd) + + # always stop wpa_supplicant service first before reconfiguring it + pidfile = get_pid('wpa_supplicant', wifi['intf']) + if os.path.isfile(pidfile): + pid = 0 + with open(pidfile, 'r') as f: + pid = int(f.read()) + + if pid_exists(pid): + cmd = 'start-stop-daemon --stop --quiet' + cmd += ' --pidfile ' + pidfile + subprocess_cmd(cmd) + + # Delete config files if interface is removed + if wifi['deleted']: + if os.path.isfile(get_conf_file('hostapd', wifi['intf'])): + os.unlink(get_conf_file('hostapd', wifi['intf'])) + + if os.path.isfile(get_conf_file('wpa_supplicant', wifi['intf'])): + os.unlink(get_conf_file('wpa_supplicant', wifi['intf'])) + + return None + + # render appropriate new config files depending on access-point or station mode + if wifi['type'] == 'access-point': + tmpl = Template(config_hostapd_tmpl) + config_text = tmpl.render(wifi) + with open(get_conf_file('hostapd', wifi['intf']), 'w') as f: + f.write(config_text) + + elif wifi['type'] == 'station': + tmpl = Template(config_wpa_suppl_tmpl) + config_text = tmpl.render(wifi) + with open(get_conf_file('wpa_supplicant', wifi['intf']), 'w') as f: + f.write(config_text) + + return None + +def apply(wifi): + w = EthernetIf(wifi['intf']) + if wifi['deleted']: + # delete interface + w.remove() + else: + # Some parts e.g. MAC address can't be changed when interface is up + w.set_state('down') + + # update interface description used e.g. within SNMP + w.set_alias(wifi['description']) + + # get DHCP config dictionary and update values + opt = w.get_dhcp_options() + + if wifi['dhcp_client_id']: + opt['client_id'] = wifi['dhcp_client_id'] + + if wifi['dhcp_hostname']: + opt['hostname'] = wifi['dhcp_hostname'] + + if wifi['dhcp_vendor_class_id']: + opt['vendor_class_id'] = wifi['dhcp_vendor_class_id'] + + # store DHCP config dictionary - used later on when addresses are aquired + w.set_dhcp_options(opt) + + # get DHCPv6 config dictionary and update values + opt = w.get_dhcpv6_options() + + if wifi['dhcpv6_prm_only']: + opt['dhcpv6_prm_only'] = True + + if wifi['dhcpv6_temporary']: + opt['dhcpv6_temporary'] = True + + # store DHCPv6 config dictionary - used later on when addresses are aquired + w.set_dhcpv6_options(opt) + + # ignore link state changes + w.set_link_detect(wifi['disable_link_detect']) + + # Change interface MAC address - re-set to real hardware address (hw-id) + # if custom mac is removed + if wifi['mac']: + w.set_mac(wifi['mac']) + else: + w.set_mac(wifi['hw_id']) + + # enable interface + if not wifi['disable']: + w.set_state('up') + + # Configure interface address(es) + # - not longer required addresses get removed first + # - newly addresses will be added second + for addr in wifi['address_remove']: + w.del_addr(addr) + for addr in wifi['address']: + w.add_addr(addr) + + # remove no longer required VLAN interfaces (vif) + for vif in wifi['vif_remove']: + e.del_vlan(vif) + + # create VLAN interfaces (vif) + for vif in wifi['vif']: + # QoS priority mapping can only be set during interface creation + # so we delete the interface first if required. + if vif['egress_qos_changed'] or vif['ingress_qos_changed']: + try: + # on system bootup the above condition is true but the interface + # does not exists, which throws an exception, but that's legal + e.del_vlan(vif['id']) + except: + pass + + vlan = e.add_vlan(vif['id']) + apply_vlan_config(vlan, vif) + + # Physical interface is now configured. Proceed by starting hostapd or + # wpa_supplicant daemon + cmd = 'start-stop-daemon --start --quiet' + if wifi['type'] == 'access-point': + cmd += ' --exec /usr/sbin/hostapd' + # now pass arguments to hostapd binary + cmd += ' -- -B' + cmd += ' -P {}'.format(get_pid('hostapd', wifi['intf'])) + cmd += ' {}'.format(get_conf_file('hostapd', wifi['intf'])) + elif wifi['type'] == 'station': + cmd += ' --exec /sbin/wpa_supplicant' + # now pass arguments to hostapd binary + cmd += ' -- -s -B -D nl80211' + cmd += ' -P {}'.format(get_pid('wpa_supplicant', wifi['intf'])) + cmd += ' -i {}'.format(wifi['intf']) + cmd += ' -c {}'.format(get_conf_file('wpa_supplicant', wifi['intf'])) + + # execute assembled command + subprocess_cmd(cmd) + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) |