mirror of
https://github.com/unraid/webgui.git
synced 2026-05-24 23:29:48 -05:00
bergware
264 lines
6.6 KiB
Bash
264 lines
6.6 KiB
Bash
#!/bin/bash
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#
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# script: rc.wireless
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#
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# This script is used to bring up the wireless network interface.
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#
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# Bergware - created for Unraid OS, January 2025
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DAEMON="WiFi network"
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CALLER="wifi"
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INI="/var/local/emhttp/wireless.ini"
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CFG="/boot/config/wireless.cfg"
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SSL="/usr/local/emhttp/webGui/include/OpenSSL.php"
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STARTWIFI="/usr/local/emhttp/webGui/scripts/wireless"
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WPA="/etc/wpa_supplicant.conf"
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# system network references
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SYSTEM=/sys/class/net
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CONF6=/proc/sys/net/ipv6/conf
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# run & log functions
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. /etc/rc.d/rc.runlog
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# library functions
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. /etc/rc.d/rc.library.source
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# get settings
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[[ -r $INI ]] && . $INI
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PORT=${PORT:-wlan0}
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# function to get openSSL settings
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get(){
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local KEY=$1
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[[ -r $SSL ]] && awk "\$1==\"\$$KEY\" {print \$3}" $SSL | sed -r "s/[';]//g"
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}
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# function to convert text to hex
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hex(){
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echo -n $(get $1) | od -An -tx1 | tr -d ' \n'
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}
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# function to wait for carrier of interface
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carrier_up(){
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local n
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for n in {1..10}; do
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[[ $(cat $SYSTEM/$1/carrier 2>/dev/null) == 1 ]] && return 0 || sleep 1
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done
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return 1
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}
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# function to enable/disable ipv6 protocol per interface
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ipv6_up(){
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[[ -d $CONF6/${PORT/$1/$2} ]] && echo $4 >$CONF6/${PORT/$1/$2}/disable_ipv6
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[[ -d $CONF6/${PORT/$1/$3} ]] && echo $4 >$CONF6/${PORT/$1/$3}/disable_ipv6
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}
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# function to enable/disable ipv6 assignment per interface
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ipv6_addr(){
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if [[ -d $CONF6/$1 ]]; then
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echo $2 >$CONF6/$1/accept_ra
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echo $2 >$CONF6/$1/accept_ra_defrtr
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echo $3 >$CONF6/$1/autoconf
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fi
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}
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# function to assign IP address
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ipaddr_up(){
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if [[ $DHCP == yes ]]; then
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# bring up interface using DHCP/SLAAC
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ipv6_addr 1 1
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OPTIONS="-q -n -p -t 10"
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[[ -n $HOSTNAME ]] && OPTIONS="$OPTIONS -h $HOSTNAME"
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[[ $DNS == yes ]] && OPTIONS="$OPTIONS -C resolv.conf"
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[[ $IP == ipv4 ]] && OPTIONS="$OPTIONS -4"
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[[ $IP == ipv6 ]] && OPTIONS="$OPTIONS -6"
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if carrier_up $PORT; then
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# interface is UP
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log "interface $PORT is UP, polling up to 60 sec for DHCP $IP server"
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if ! run timeout 60 dhcpcd -w $OPTIONS $PORT; then
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log "can't obtain IP address, continue polling in background on interface $PORT"
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run dhcpcd -b $OPTIONS $PORT
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fi
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else
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# interface is DOWN
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log "interface $PORT is DOWN, polling DHCP $IP server in background"
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run dhcpcd -b $OPTIONS $PORT
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fi
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elif [[ $DHCP == no ]]; then
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# bring up interface using static IP address
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if carrier_up $PORT; then STATE="UP"; else STATE="DOWN"; fi
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log "interface $PORT is $STATE, setting static $IP address"
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ipv6_addr $PORT 0 1
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if [[ $IP != ipv6 ]]; then
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if [[ -n $IP4 ]]; then
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[[ -n $MASK4 ]] && run ip -4 addr add $(unzero $IP4)/$MASK4 dev $PORT metric 1
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fi
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fi
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if [[ $IP != ipv4 ]]; then
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if [[ -n $IP6 ]]; then
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[[ -n $MASK6 ]] && run ip -6 addr add $(unzero6 $IP6)/$MASK6 dev $PORT metric 1
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fi
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fi
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fi
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if [[ $DNS == yes ]]; then
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[[ $IP == ipv4 ]] && echo "nameserver $SERVER4 # $PORT:v4" >>/etc/resolv.conf
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[[ $IP == ipv6 ]] && echo "nameserver $SERVER6 # $PORT:v6" >>/etc/resolv.conf
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else
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[[ $IP == ipv4 ]] && sed -ri '/^nameserver .+# $PORT:v4/d' /etc/resolv.conf
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[[ $IP == ipv6 ]] && sed -ri '/^nameserver .+# $PORT:v6/d' /etc/resolv.conf
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fi
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}
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# function to release IP address
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ipaddr_down(){
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if [[ $DHCP == yes ]]; then
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OPTIONS="-q -k"
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[[ $DNS == yes ]] && OPTIONS="$OPTIONS -C resolv.conf"
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[[ $IP == ipv4 ]] && OPTIONS="$OPTIONS -4"
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[[ $IP == ipv6 ]] && OPTIONS="$OPTIONS -6"
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# release DHCP assigned address
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run dhcpcd $OPTIONS $PORT
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fi
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}
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wifi_running(){
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sleep 0.1
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[[ $(cat $SYSTEM/$PORT/carrier 2>/dev/null) == 1 ]]
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}
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wifi_start(){
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log "Starting $DAEMON..."
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local REPLY
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if [[ -e $SYSTEM/$PORT ]]; then
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ip link set $PORT up
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# start active SSID
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$STARTWIFI
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if ! carrier_up $PORT; then
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# try the saved SSIDs
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for SSID in $(grep -P '^\[.+\]$' $CFG 2>/dev/null | sed 1d | sed -r 's/\[|\]/"/g'); do
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[[ -n $SSID ]] && $STARTWIFI "$SSID" || break
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if carrier_up $PORT; then break; fi
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done
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fi
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if wifi_running; then REPLY="Started"; else REPLY="Failed"; fi
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else
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REPLY="No Wifi present"
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fi
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log "$DAEMON... $REPLY."
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}
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wifi_stop(){
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log "Stopping $DAEMON..."
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local REPLY
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if [[ -e $SYSTEM/$PORT ]]; then
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IP=ipv4
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DHCP=$DHCP4
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DNS=$DNS4
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ipaddr_down
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if [[ -n $DHCP6 ]]; then
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IP=ipv6
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DHCP=$DHCP6
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DNS=$DNS6
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ipaddr_down
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fi
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pkill wpa_supplicant
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iw dev $PORT disconnect
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rm -f $INI
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if ! wifi_running; then REPLY="Stopped"; else REPLY="Failed"; fi
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else
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REPLY="No Wifi present"
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fi
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log "$DAEMON... $REPLY."
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}
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wifi_join(){
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log "Joining $DAEMON..."
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local REPLY
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if [[ ! -r $CFG ]]; then
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log "$DAEMON... No configuration."
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return
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fi
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[[ -n $USERNAME ]] && USERNAME=$(echo $USERNAME | openssl $(get cipher) -a -d -K $(hex key) -iv $(hex iv) 2>/dev/null)
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[[ -n $PASSWORD ]] && PASSWORD=$(echo $PASSWORD | openssl $(get cipher) -a -d -K $(hex key) -iv $(hex iv) 2>/dev/null)
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if [[ -z $ATTR3 || $ATTR3 =~ "Open" ]]; then
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# open network
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iw dev $PORT connect "$SSID" auth open
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elif [[ $ATTR3 =~ "WEP" || $ATTR3 =~ "TKIP" ]]; then
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# WEP encryption
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iw dev $PORT connect "$SSID" auth shared key 0:$(hex "$PASSWORD")
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elif [[ $ATTR3 =~ "IEEE" ]]; then
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# WPA2/WPA3 enterprise
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echo "network={" >$WPA
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echo " ssid=\"$SSID\"" >>$WPA
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echo " key_mgmt=WPA-EAP" >>$WPA
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echo " eap=PEAP" >>$WPA
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echo " identity=\"$USERNAME\"" >>$WPA
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echo " password=\"$PASSWORD\"" >>$WPA
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echo " phase1=\"peaplabel=0\"" >>$WPA
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echo " phase2=\"autheap=MSCHAPV2\"" >>$WPA
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echo "}" >>$WPA
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wpa_supplicant -B -i $PORT -c $WPA
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else
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# assume WPA2/WPA3 personal is used
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wpa_passphrase "$SSID" "$PASSWORD" >$WPA
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wpa_supplicant -B -i $PORT -c $WPA
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sed -i '3d' $WPA
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fi
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# IPv4 address assignment
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IP=ipv4
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DHCP=$DHCP4
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DNS=$DNS4
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ipaddr_up
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# IPv6 address assignment (if enabled)
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if [[ -n $DHCP6 ]]; then
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echo 0 >$CONF6/$PORT/disable_ipv6
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IP=ipv6
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DHCP=$DHCP6
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DNS=$DNS6
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ipaddr_up
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else
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echo 1 >$CONF6/$PORT/disable_ipv6
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fi
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if wifi_running; then REPLY="Joined"; else REPLY="Failed"; fi
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log "$DAEMON... $REPLY."
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}
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wifi_restart(){
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log "Restarting $DAEMON..."
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wifi_stop
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sleep 1
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wifi_start
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}
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wifi_status(){
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if wifi_running; then
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echo "$DAEMON is currently connected."
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else
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echo "$DAEMON is not connected."
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exit 1
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fi
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}
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case "$1" in
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'start')
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wifi_start
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;;
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'stop')
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wifi_stop
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;;
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'join')
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wifi_join
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;;
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'restart')
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wifi_restart
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;;
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'status')
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wifi_status
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;;
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*)
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echo "Usage: $BASENAME start|stop|join|restart|status"
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exit 1
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esac
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exit 0
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