359 lines
11 KiB
Bash
359 lines
11 KiB
Bash
hostapd_set_bss_options() {
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local var="$1"
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local vif="$2"
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local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible
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config_get enc "$vif" encryption "none"
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config_get wep_rekey "$vif" wep_rekey # 300
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config_get wpa_group_rekey "$vif" wpa_group_rekey # 300
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config_get wpa_pair_rekey "$vif" wpa_pair_rekey # 300
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config_get wpa_master_rekey "$vif" wpa_master_rekey # 640
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config_get_bool ap_isolate "$vif" isolate 0
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config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
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config_get max_num_sta "$vif" max_num_sta 0
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config_get max_inactivity "$vif" max_inactivity 0
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config_get_bool preamble "$vif" short_preamble 1
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config_get device "$vif" device
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config_get hwmode "$device" hwmode
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config_get phy "$device" phy
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append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N"
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if [ "$ap_isolate" -gt 0 ]; then
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append "$var" "ap_isolate=$ap_isolate" "$N"
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fi
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if [ "$max_num_sta" -gt 0 ]; then
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append "$var" "max_num_sta=$max_num_sta" "$N"
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fi
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if [ "$max_inactivity" -gt 0 ]; then
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append "$var" "ap_max_inactivity=$max_inactivity" "$N"
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fi
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append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
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if [ "$preamble" -gt 0 ]; then
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append "$var" "preamble=$preamble" "$N"
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fi
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# Examples:
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# psk-mixed/tkip => WPA1+2 PSK, TKIP
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# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
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# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
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# ...
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# TODO: move this parsing function somewhere generic, so that
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# later it can be reused by drivers that don't use hostapd
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# crypto defaults: WPA2 vs WPA1
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case "$enc" in
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wpa2*|*psk2*)
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wpa=2
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crypto="CCMP"
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;;
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*mixed*)
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wpa=3
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crypto="CCMP TKIP"
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;;
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*)
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wpa=1
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crypto="TKIP"
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;;
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esac
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# explicit override for crypto setting
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case "$enc" in
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*tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";;
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*aes|*ccmp) crypto="CCMP";;
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*tkip) crypto="TKIP";;
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esac
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# enforce CCMP for 11ng and 11na
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case "$hwmode:$crypto" in
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*ng:TKIP|*na:TKIP) crypto="CCMP TKIP";;
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esac
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# use crypto/auth settings for building the hostapd config
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case "$enc" in
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none)
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wps_possible=1
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wpa=0
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crypto=
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# Here we make the assumption that if we're in open mode
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# with WPS enabled, we got to be in unconfigured state.
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wps_not_configured=1
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;;
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*psk*)
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config_get psk "$vif" key
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if [ ${#psk} -eq 64 ]; then
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append "$var" "wpa_psk=$psk" "$N"
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else
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append "$var" "wpa_passphrase=$psk" "$N"
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fi
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wps_possible=1
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[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
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[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
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[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
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;;
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*wpa*|*8021x*)
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# required fields? formats?
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# hostapd is particular, maybe a default configuration for failures
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config_get auth_server "$vif" auth_server
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[ -z "$auth_server" ] && config_get auth_server "$vif" server
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append "$var" "auth_server_addr=$auth_server" "$N"
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config_get auth_port "$vif" auth_port
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[ -z "$auth_port" ] && config_get auth_port "$vif" port
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auth_port=${auth_port:-1812}
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append "$var" "auth_server_port=$auth_port" "$N"
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config_get auth_secret "$vif" auth_secret
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[ -z "$auth_secret" ] && config_get auth_secret "$vif" key
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append "$var" "auth_server_shared_secret=$auth_secret" "$N"
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# You don't really want to enable this unless you are doing
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# some corner case testing or are using OpenWrt as a work around
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# for some systematic issues.
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config_get_bool auth_cache "$vif" auth_cache 0
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config_get rsn_preauth "$vif" rsn_preauth
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[ "$auth_cache" -gt 0 ] || [[ "$rsn_preauth" = 1 ]] || append "$var" "disable_pmksa_caching=1" "$N"
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[ "$auth_cache" -gt 0 ] || [[ "$rsn_preauth" = 1 ]] || append "$var" "okc=0" "$N"
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config_get acct_server "$vif" acct_server
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[ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N"
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config_get acct_port "$vif" acct_port
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[ -n "$acct_port" ] && acct_port=${acct_port:-1813}
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[ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N"
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config_get acct_secret "$vif" acct_secret
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[ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N"
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config_get eap_reauth_period "$vif" eap_reauth_period
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[ -n "$eap_reauth_period" ] && append "$var" "eap_reauth_period=$eap_reauth_period" "$N"
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config_get dae_client "$vif" dae_client
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config_get dae_secret "$vif" dae_secret
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[ -n "$dae_client" -a -n "$dae_secret" ] && {
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config_get dae_port "$vif" dae_port
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append "$var" "radius_das_port=${dae_port:-3799}" "$N"
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append "$var" "radius_das_client=$dae_client $dae_secret" "$N"
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}
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config_get nasid "$vif" nasid
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config_get ownip "$vif" ownip
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append "$var" "nas_identifier=$nasid" "$N"
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append "$var" "own_ip_addr=$ownip" "$N"
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append "$var" "eapol_key_index_workaround=1" "$N"
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append "$var" "ieee8021x=1" "$N"
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append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
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[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
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[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
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[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
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;;
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*wep*)
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config_get key "$vif" key
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key="${key:-1}"
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case "$key" in
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[1234])
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for idx in 1 2 3 4; do
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local zidx
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zidx=$(($idx - 1))
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config_get ckey "$vif" "key${idx}"
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[ -n "$ckey" ] && \
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append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N"
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done
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append "$var" "wep_default_key=$((key - 1))" "$N"
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;;
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*)
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append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N"
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append "$var" "wep_default_key=0" "$N"
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[ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N"
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;;
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esac
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case "$enc" in
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*shared*)
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auth_algs=2
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;;
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*mixed*)
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auth_algs=3
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;;
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esac
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wpa=0
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crypto=
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;;
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*)
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wpa=0
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crypto=
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;;
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esac
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append "$var" "auth_algs=${auth_algs:-1}" "$N"
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append "$var" "wpa=$wpa" "$N"
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[ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N"
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[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
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config_get ssid "$vif" ssid
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config_get bridge "$vif" bridge
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config_get ieee80211d "$vif" ieee80211d
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config_get iapp_interface "$vif" iapp_interface
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config_get_bool wps_pbc "$vif" wps_pushbutton 0
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config_get_bool wps_label "$vif" wps_label 0
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config_get config_methods "$vif" wps_config
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[ "$wps_pbc" -gt 0 ] && append config_methods push_button
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[ -n "$wps_possible" -a -n "$config_methods" ] && {
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config_get device_type "$vif" wps_device_type "6-0050F204-1"
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config_get device_name "$vif" wps_device_name "OpenWrt AP"
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config_get manufacturer "$vif" wps_manufacturer "openwrt.org"
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config_get wps_pin "$vif" wps_pin
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config_get_bool ext_registrar "$vif" ext_registrar 0
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[ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append "$var" "upnp_iface=$bridge" "$N"
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append "$var" "eap_server=1" "$N"
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[ -n "$wps_pin" ] && append "$var" "ap_pin=$wps_pin" "$N"
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append "$var" "wps_state=${wps_not_configured:-2}" "$N"
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append "$var" "ap_setup_locked=0" "$N"
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append "$var" "device_type=$device_type" "$N"
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append "$var" "device_name=$device_name" "$N"
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append "$var" "manufacturer=$manufacturer" "$N"
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append "$var" "config_methods=$config_methods" "$N"
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}
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append "$var" "ssid=$ssid" "$N"
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[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
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[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
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[ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N"
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if [ "$wpa" -ge "2" ]
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then
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# RSN -> allow preauthentication. You have two
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# options, rsn_preauth for production or rsn_preauth_testing
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# for validation / testing.
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if [ -n "$bridge" -a "$rsn_preauth" = 1 ]
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then
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append "$var" "rsn_preauth=1" "$N"
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append "$var" "rsn_preauth_interfaces=$bridge" "$N"
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append "$var" "okc=1" "$N"
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else
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# RSN preauthentication testings hould disable
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# Opportunistic Key Caching (okc) as otherwise the PMKSA
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# entry for a test could come from the Opportunistic Key Caching
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config_get rsn_preauth_testing "$vif" rsn_preauth_testing
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if [ -n "$bridge" -a "$rsn_preauth_testing" = 1 ]
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then
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append "$var" "rsn_preauth=1" "$N"
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append "$var" "rsn_preauth_interfaces=$bridge" "$N"
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append "$var" "okc=0" "$N"
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fi
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fi
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# RSN -> allow management frame protection
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config_get ieee80211w "$vif" ieee80211w
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case "$ieee80211w" in
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[012])
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append "$var" "ieee80211w=$ieee80211w" "$N"
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[ "$ieee80211w" -gt "0" ] && {
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config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout
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config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout
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[ -n "$ieee80211w_max_timeout" ] && \
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append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
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[ -n "$ieee80211w_retry_timeout" ] && \
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append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
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}
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;;
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esac
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fi
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config_get macfile "$vif" macfile
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config_get maclist "$vif" maclist
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if [ -z "$macfile" ]
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then
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# if no macfile has been specified, fallback to the default name
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# and truncate file to avoid aggregating entries over time
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macfile="/var/run/hostapd-$ifname.maclist"
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echo "" > "$macfile"
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else
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if [ -n "$maclist" ]
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then
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# to avoid to overwrite the original file, make a copy
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# before appending the entries specified by the maclist
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# option
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cp $macfile $macfile.maclist
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macfile=$macfile.maclist
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fi
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fi
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if [ -n "$maclist" ]
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then
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for mac in $maclist; do
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echo "$mac" >> $macfile
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done
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fi
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config_get macfilter "$vif" macfilter
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case "$macfilter" in
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allow)
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append "$var" "macaddr_acl=1" "$N"
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append "$var" "accept_mac_file=$macfile" "$N"
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;;
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deny)
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append "$var" "macaddr_acl=0" "$N"
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append "$var" "deny_mac_file=$macfile" "$N"
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;;
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esac
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}
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hostapd_set_log_options() {
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local var="$1"
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local cfg="$2"
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local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
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config_get log_level "$cfg" log_level 2
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config_get_bool log_80211 "$cfg" log_80211 1
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config_get_bool log_8021x "$cfg" log_8021x 1
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config_get_bool log_radius "$cfg" log_radius 1
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config_get_bool log_wpa "$cfg" log_wpa 1
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config_get_bool log_driver "$cfg" log_driver 1
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config_get_bool log_iapp "$cfg" log_iapp 1
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config_get_bool log_mlme "$cfg" log_mlme 1
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local log_mask=$(( \
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($log_80211 << 0) | \
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($log_8021x << 1) | \
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($log_radius << 2) | \
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($log_wpa << 3) | \
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($log_driver << 4) | \
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($log_iapp << 5) | \
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($log_mlme << 6) \
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))
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append "$var" "logger_syslog=$log_mask" "$N"
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append "$var" "logger_syslog_level=$log_level" "$N"
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append "$var" "logger_stdout=$log_mask" "$N"
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append "$var" "logger_stdout_level=$log_level" "$N"
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}
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hostapd_setup_vif() {
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local vif="$1"
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local driver="$2"
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local ifname device channel hwmode
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hostapd_cfg=
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config_get ifname "$vif" ifname
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config_get device "$vif" device
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config_get channel "$device" channel
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config_get hwmode "$device" hwmode
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hostapd_set_log_options hostapd_cfg "$device"
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hostapd_set_bss_options hostapd_cfg "$vif"
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case "$hwmode" in
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*bg|*gdt|*gst|*fh) hwmode=g;;
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*adt|*ast) hwmode=a;;
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esac
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[ "$channel" = auto ] && channel=
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[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
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cat > /var/run/hostapd-$ifname.conf <<EOF
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driver=$driver
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interface=$ifname
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${hwmode:+hw_mode=${hwmode#11}}
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${channel:+channel=$channel}
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$hostapd_cfg
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EOF
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hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
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}
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