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208 lines
6.5 KiB
Bash
208 lines
6.5 KiB
Bash
#!/bin/sh
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. /lib/config/uci.sh
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IFNAME=$1
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CMD=$2
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get_conf_var() {
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local conf="$1"
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local var="$2"
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# This finds the last "$2=" in the supplicant config and strips off leading
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# and trailing quotes. Generally the quotes are there if it's a passphrase and not if its a psk hex string
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# (passphrase is pure ascii not escaped, not even for " inside "") and for ssid
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grep "^[$(printf " \t")]*$var=" "$conf" |
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awk 'BEGIN{FS="="} {a=substr($0, index($0,$2))} END{print a}' |
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sed -e 's/^"\(.*\)"$/\1/'
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}
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add_interface() {
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local radio="$1"
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local ssid="$2"
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local psk="$3"
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local encryption="$4"
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local country="$(uci_get_state delos baptization WiFiCountryCode)"
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uci_add wireless wifi-iface
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uci_set wireless @wifi-iface[-1] type qcawifi
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uci_set wireless @wifi-iface[-1] device "$radio"
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uci_set wireless @wifi-iface[-1] mode ap
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uci_set wireless @wifi-iface[-1] ssid "$ssid"
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uci_set wireless @wifi-iface[-1] key "$psk"
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uci_set wireless @wifi-iface[-1] network lan
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uci_set wireless @wifi-iface[-1] channel auto
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uci_set wireless @wifi-iface[-1] country "${country:-DE}"
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uci_set wireless @wifi-iface[-1] txpower 27
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case $encryption in
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WPA2-PSK)
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uci_set wireless @wifi-iface[-1] encryption psk2
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;;
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WPA-PSK)
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uci_set wireless @wifi-iface[-1] encryption psk
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;;
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NONE)
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uci_set wireless @wifi-iface[-1] encryption none
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;;
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esac
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}
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add_interface_uci() {
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add_interface "$1" "$2" "$3" "$4"
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uci_commit wireless
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}
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# this implementation depends on having only max 4 SSIDs (2.4GHz/5GHz and normal/guest SSID)
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overwrite_interface_uci() {
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local radio="$1"
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local ssid="$2"
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local psk="$3"
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local encryption="$4"
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local index=-1
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local index24=-1
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local index5=-1
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local radio24=wifi0 # 2.4GHz radio is normally wifi0
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local radio5=wifi1 # 5GHz radio is normally wifi1
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local use_common_setting=0
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# check if wifi1 is 2.4GHz radio
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if [ "$(uci_get_state wireless wifi1 hwmode)" == "11g" ]; then
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radio24=wifi1
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radio5=wifi0
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fi
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for id in 0 1 2 3; do
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# skip guest wifi
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if [ "$(uci_get_state wireless @wifi-iface[$id] dvl_guest 0)" == "0" ]; then
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# search for 2.4GHz index
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if [ "$(uci_get_state wireless @wifi-iface[$id] device)" == "$radio24" ]; then
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index24=$id
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fi
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# search for 5GHz inedx
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if [ "$(uci_get_state wireless @wifi-iface[$id] device)" == "$radio5" ]; then
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index5=$id
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fi
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# search for matching entry
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if [ "$(uci_get_state wireless @wifi-iface[$id] device)" == "$radio" ]; then
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index=$id
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fi
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fi
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done
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# if a SSID exist of both radios check if settings are equal and if they are equal overwrite both SSID settings
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if [ "$index24" != "-1" ] && [ "$index5" != "-1" ]; then
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if [ "$(uci_get_state wireless @wifi-iface[$index24] ssid)" == "$(uci_get_state wireless @wifi-iface[$index5] ssid)" ] &&
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[ "$(uci_get_state wireless @wifi-iface[$index24] key)" == "$(uci_get_state wireless @wifi-iface[$index5] key)" ] &&
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[ "$(uci_get_state wireless @wifi-iface[$index24] encryption)" == "$(uci_get_state wireless @wifi-iface[$index5] encryption)" ] &&
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[ "$(uci_get_state wireless @wifi-iface[$index24] hidden)" == "$(uci_get_state wireless @wifi-iface[$index5] hidden)" ];then
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use_common_setting=1
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fi
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fi
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# if "use common setting" modify both radio entries
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if [ "$use_common_setting" == "1" ]; then
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uci_set wireless @wifi-iface[$index24] ssid "$ssid"
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uci_set wireless @wifi-iface[$index5] ssid "$ssid"
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uci_set wireless @wifi-iface[$index24] key "$psk"
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uci_set wireless @wifi-iface[$index5] key "$psk"
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case $encryption in
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WPA2-PSK)
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uci_set wireless @wifi-iface[$index24] encryption psk2
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uci_set wireless @wifi-iface[$index5] encryption psk2
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;;
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WPA-PSK)
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uci_set wireless @wifi-iface[$index24] encryption psk
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uci_set wireless @wifi-iface[$index5] encryption psk
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;;
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NONE)
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uci_set wireless @wifi-iface[$index24] encryption none
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uci_set wireless @wifi-iface[$index5] encryption none
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;;
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esac
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elif [ "$index" != "-1" ]; then
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uci_set wireless @wifi-iface[$index] ssid "$ssid"
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uci_set wireless @wifi-iface[$index] key "$psk"
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case $encryption in
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WPA2-PSK)
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uci_set wireless @wifi-iface[$index] encryption psk2
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;;
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WPA-PSK)
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uci_set wireless @wifi-iface[$index] encryption psk
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;;
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NONE)
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uci_set wireless @wifi-iface[$index] encryption none
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;;
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esac
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else
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add_interface "$radio" "$ssid" "$psk" "$encryption"
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fi
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uci_commit wireless
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}
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remove_interface() {
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local ifname="$1"
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wpa_cli -g /var/run/wpa_supplicantglobal interface_remove $ifname
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[ -f /var/run/wpa_supplicant-$ifname.pid ] && kill $(cat /var/run/wpa_supplicant-$ifname.pid)
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rm -rf /var/run/wpa_supplicant-${ifname}*
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wlanconfig $ifname destroy
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}
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# stop all wps cloning instances
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remove_all_interfaces() {
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for ifpath in $(ls -d /sys/class/net/athClone? 2>/dev/null); do
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remove_interface $(basename $ifpath)
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done
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}
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case "$CMD" in
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CONNECTED)
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# only accept first connect, if wps clone not successful yet
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if [ "$(uci_get_state wireless wps_clone state)" != success ]; then
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uci_set_state wireless wps_clone state success
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uci_revert_state wireless wps_clone reason
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wpa_cli -i$IFNAME -p /var/run/wpa_supplicant-$IFNAME save_config
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radio=$(cat /sys/class/net/$IFNAME/parent)
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# ssid/psk are strangely escaped (escaping \ " but not ' or $), don't use
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status="$(wpa_cli -i$IFNAME -p/var/run/wpa_supplicant-$IFNAME status)"
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encryption=$(echo "$status" | grep ^key_mgmt=)
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encryption="${encryption#*=}"
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# get ssid/psk from config instead
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ssid="$(get_conf_var /var/run/wpa_supplicant-$IFNAME.conf ssid)"
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psk="$(get_conf_var /var/run/wpa_supplicant-$IFNAME.conf psk)"
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# Check if only one ssid is allowed
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if [ "for now" != "only one ssid" ]; then
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overwrite_interface_uci "$radio" "$ssid" "$psk" "$encryption"
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else
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add_interface_uci "$radio" "$ssid" "$psk" "$encryption"
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fi
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remove_interface $IFNAME
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# we're done, stop all remaining wps cloning instances
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remove_all_interfaces
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reload_config # use procd to check for config changes
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else
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remove_interface $IFNAME
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fi
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;;
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WPS-OVERLAP-DETECTED |\
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WPS-FAIL |\
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WPS-TIMEOUT)
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if [ "$(uci_get_state wireless wps_clone state)" = running ]; then
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uci_set_state wireless wps_clone state failed
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uci_set_state wireless wps_clone reason $CMD
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remove_interface $IFNAME
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remove_all_interfaces
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# force re-up all wifi interfaces (not done by driver/hostapd)
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for ifname in $(ubus call uci state '{"config":"wireless","type":"wifi-iface"}'|\
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jsonfilter -e "$.values[@.up='1'].ifname"); do
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ip link set $ifname down
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ip link set $ifname up
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done
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fi
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;;
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esac
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