mirror of
https://github.com/unraid/webgui.git
synced 2026-01-05 00:59:48 -06:00
244 lines
9.2 KiB
Bash
Executable File
244 lines
9.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# script: create_network_ini
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#
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# Copyright 2005-2025, Lime Technology
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# Copyright 2012-2025, Bergware International.
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#
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# create initial network.ini file on system start
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# create system welcome message
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# update files on DHCP events 'BOUND[6] IPV4LL EXPIRE'
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# update services listening interfaces / addresses
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# exclude non-existing interfaces from config
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[[ (-z $reason && -z $1) || (-n $reason && ! "BOUND6 IPV4LL EXPIRE" =~ $reason) ]] && exit 0
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INI=/var/local/emhttp/network.ini.new
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CFG=/boot/config/network.cfg
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SYS=/sys/class/net
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declare -A VLANID USE_DHCP IPADDR NETMASK GATEWAY METRIC USE_DHCP6 IPADDR6 NETMASK6 GATEWAY6 PRIVACY6 METRIC6 DESCRIPTION PROTOCOL
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# run & log functions
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. /etc/rc.d/rc.runlog
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mask(){
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[[ -z $1 ]] && return
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# convert prefix to netmask
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set -- $((5-($1/8))) 255 255 255 255 $(((255<<(8-($1%8)))&255)) 0 0 0
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[[ $1 -gt 1 ]] && shift $1 || shift
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echo $1.$2.$3.$4
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}
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dns() {
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[[ $1 == 4 ]] && ADDR='(\d{1,3}\.){3}\d+' || ADDR='([0-9a-fA-F]{1,4}::?){1,7}[0-9a-fA-F]*'
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grep -Po "^nameserver \K$ADDR" /etc/resolv.conf
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}
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if [[ -s $CFG ]]; then
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# import existing settings
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. <(fromdos <$CFG)
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else
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# import default settings
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IPADDR=
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NETMASK=
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GATEWAY=
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USE_DHCP=yes
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DHCP_KEEPRESOLV=no
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BONDING=yes
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BRIDGING=yes
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fi
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# prepare empty file
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echo -n >$INI
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# loop thru all defined interfaces (=1 in case of legacy)
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for ((i=0; i<${SYSNICS:-1}; i++)); do
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IFACE=${IFNAME[$i]:-eth$i}
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ETH=${IFACE/#bond/eth}
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ETH=${ETH/#br/eth}
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# don't store when non-existing
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[[ -e $SYS/$ETH ]] || continue
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echo "[$ETH]" >>$INI
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if [[ $i -eq 0 ]]; then
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# process legacy settings
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[[ $BRIDGING == yes ]] && BRNICS=eth0
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[[ $BONDING == yes ]] && BRNICS=bond0
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[[ $BONDING == yes ]] && IFACE=bond0
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[[ $BRIDGING == yes ]] && IFACE=br0
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[[ $BONDING == yes ]] && BONDNICS=${BONDNICS:-eth0 eth1 eth2 eth3}
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if [[ ${USE_DHCP:-yes} == yes ]]; then
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# force DNS setting to automatic if not set
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DHCP_KEEPRESOLV=${DHCP_KEEPRESOLV:-no}
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else
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# force DNS setting to static
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DHCP_KEEPRESOLV=yes
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fi
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if [[ ${USE_DHCP6:-yes} == yes ]]; then
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# force DNS6 setting to automatic if not set
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DHCP6_KEEPRESOLV=${DHCP6_KEEPRESOLV:-no}
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else
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# force DNS6 setting to static
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DHCP6_KEEPRESOLV=yes
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fi
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echo "DHCP_KEEPRESOLV=\"$DHCP_KEEPRESOLV\"" >>$INI
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if [[ $DHCP_KEEPRESOLV == no ]]; then
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# dhcp assigned DNSv4 servers
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DNS4=$(dns 4)
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x=1
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for SERVER in $DNS4; do
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echo "DNS_SERVER$x=\"$SERVER\"" >>$INI
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((x++))
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done
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else
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# static assigned DNSv4 servers
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echo "DNS_SERVER1=\"$DNS_SERVER1\"" >>$INI
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echo "DNS_SERVER2=\"$DNS_SERVER2\"" >>$INI
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echo "DNS_SERVER3=\"$DNS_SERVER3\"" >>$INI
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fi
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echo "DHCP6_KEEPRESOLV=\"$DHCP6_KEEPRESOLV\"" >>$INI
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if [[ $DHCP6_KEEPRESOLV == no ]]; then
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# dhcp assigned DNSv6 servers
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DNS6=$(dns 6)
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x=1
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for SERVER6 in $DNS6; do
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echo "DNS6_SERVER$x=\"$SERVER6\"" >>$INI
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((x++))
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done
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else
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# static assigned DNSv6 servers
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echo "DNS6_SERVER1=\"$DNS6_SERVER1\"" >>$INI
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echo "DNS6_SERVER2=\"$DNS6_SERVER2\"" >>$INI
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echo "DNS6_SERVER3=\"$DNS6_SERVER3\"" >>$INI
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fi
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fi
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[[ -n ${BONDNICS[$i]} ]] && echo "BONDING=\"yes\"" >>$INI || echo "BONDING=\"no\"" >>$INI
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echo "BONDNAME=\"${BONDNAME[$i]:-bond0}\"" >>$INI
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echo "BONDNICS=\"${BONDNICS[$i]// /,}\"" >>$INI
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echo "BONDING_MODE=\"${BONDING_MODE[$i]:-1}\"" >>$INI
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echo "BONDING_MIIMON=\"${BONDING_MIIMON[$i]:-100}\"" >>$INI
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[[ -n ${BRNICS[$i]} ]] && echo "BRIDGING=\"yes\"" >>$INI || echo "BRIDGING=\"no\"" >>$INI
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echo "BRNAME=\"${BRNAME[$i]:-br0}\"" >>$INI
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echo "BRNICS=\"${BRNICS[$i]// /,}\"" >>$INI
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echo "BRSTP=\"${BRSTP[$i]:-0}\"" >>$INI
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echo "BRFD=\"${BRFD[$i]:-0}\"" >>$INI
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echo "DESCRIPTION:0=\"${DESCRIPTION[$i]}\"" >>$INI
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echo "PROTOCOL:0=\"${PROTOCOL[$i]}\"" >>$INI
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echo "USE_DHCP:0=\"${USE_DHCP[$i]}\"" >>$INI
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echo "USE_GW4:0=\"${USE_GW4[$i]}\"" >>$INI
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if [[ ${USE_DHCP[$i]} == yes ]]; then
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# get dhcp assigned ipv4 address & mask
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NET=($(ip -4 -br addr show $IFACE | awk '{sub("/"," ",$3);print $3;exit}'))
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GW=$(ip -4 route show default dev $IFACE | awk '{print $3;exit}')
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echo "IPADDR:0=\"${NET[0]}\"" >>$INI
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echo "NETMASK:0=\"$(mask ${NET[1]})\"" >>$INI
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echo "GATEWAY:0=\"$GW\"" >>$INI
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echo "METRIC:0=\"${METRIC[$i]}\"" >>$INI
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else
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# get static assigned ipv4 address & mask
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echo "IPADDR:0=\"${IPADDR[$i]}\"" >>$INI
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echo "NETMASK:0=\"${NETMASK[$i]}\"" >>$INI
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echo "GATEWAY:0=\"${GATEWAY[$i]}\"" >>$INI
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echo "METRIC:0=\"${METRIC[$i]}\"" >>$INI
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fi
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echo "USE_DHCP6:0=\"${USE_DHCP6[$i]}\"" >>$INI
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echo "USE_GW6:0=\"${USE_GW6[$i]}\"" >>$INI
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if [[ ${USE_DHCP6[$i]} == yes ]]; then
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# get auto assigned ipv6 address & prefix
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NET6=($(ip -6 -br addr show $IFACE scope global -temporary -deprecated | awk '{sub("/"," ",$3);print $3;exit}'))
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GW6=$(ip -6 route show default dev $IFACE | awk '{print $3;exit}')
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echo "IPADDR6:0=\"${NET6[0]}\"" >>$INI
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echo "NETMASK6:0=\"${NET6[1]}\"" >>$INI
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echo "GATEWAY6:0=\"$GW6\"" >>$INI
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echo "METRIC6:0=\"${METRIC6[$i]}\"" >>$INI
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echo "PRIVACY6:0=\"${PRIVACY6[$i]}\"" >>$INI
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else
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# get static assigned ipv6 address & prefix
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echo "IPADDR6:0=\"${IPADDR6[$i]}\"" >>$INI
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echo "NETMASK6:0=\"${NETMASK6[$i]}\"" >>$INI
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echo "GATEWAY6:0=\"${GATEWAY6[$i]}\"" >>$INI
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echo "METRIC6:0=\"${METRIC6[$i]}\"" >>$INI
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echo "PRIVACY6:0=\"\"" >>$INI
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fi
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echo "USE_MTU=\"${USE_MTU[$i]}\"" >>$INI
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echo "MTU=\"${MTU[$i]}\"" >>$INI
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if [[ -n ${VLANS[$i]} ]]; then
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# process VLAN interfaces
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echo "TYPE=\"trunk\"" >>$INI
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for ((j=1;j<${VLANS[$i]};j++)); do
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echo "VLANID:$j=\"${VLANID[$i,$j]}\"" >>$INI
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echo "DESCRIPTION:$j=\"${DESCRIPTION[$i,$j]}\"" >>$INI
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echo "PROTOCOL:$j=\"${PROTOCOL[$i,$j]}\"" >>$INI
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echo "USE_DHCP:$j=\"${USE_DHCP[$i,$j]}\"" >>$INI
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echo "USE_GW4:$j=\"${USE_GW4[$i,$j]}\"" >>$INI
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if [[ ${USE_DHCP[$i,$j]} == yes ]]; then
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DEV=$IFACE.${VLANID[$i,$j]}
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# get dhcp assigned ipv4 address & mask
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NET=($(ip -4 -br addr show $DEV | awk '{sub("/"," ",$3);print $3;exit}'))
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GW=$(ip -4 route show default dev $DEV | awk '{print $3;exit}')
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echo "IPADDR:$j=\"${NET[0]}\"" >>$INI
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echo "NETMASK:$j=\"$(mask ${NET[1]})\"" >>$INI
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echo "GATEWAY:$j=\"$GW\"" >>$INI
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echo "METRIC:$j=\"${METRIC[$i,$j]}\"" >>$INI
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else
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# get static assigned ipv4 address & mask
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echo "IPADDR:$j=\"${IPADDR[$i,$j]}\"" >>$INI
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echo "NETMASK:$j=\"${NETMASK[$i,$j]}\"" >>$INI
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echo "GATEWAY:$j=\"${GATEWAY[$i,$j]}\"" >>$INI
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echo "METRIC:$j=\"${METRIC[$i,$j]}\"" >>$INI
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fi
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echo "USE_DHCP6:$j=\"${USE_DHCP6[$i,$j]}\"" >>$INI
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echo "USE_GW6:$j=\"${USE_GW6[$i,$j]}\"" >>$INI
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if [[ ${USE_DHCP6[$i,$j]} == yes ]]; then
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DEV=$IFACE.${VLANID[$i,$j]}
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# get auto assigned ipv6 address & prefix
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NET6=($(ip -6 -br addr show $DEV scope global -temporary -deprecated | awk '{sub("/"," ",$3);print $3;exit}'))
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GW6=$(ip -6 route show default dev $DEV | awk '{print $3;exit}')
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echo "IPADDR6:$j=\"${NET6[0]}\"" >>$INI
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echo "NETMASK6:$j=\"${NET6[1]}\"" >>$INI
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echo "GATEWAY6:$j=\"$GW6\"" >>$INI
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echo "METRIC6:$j=\"${METRIC6[$i,$j]}\"" >>$INI
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echo "PRIVACY6:$j=\"${PRIVACY6[$i,$j]}\"" >>$INI
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else
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# get static assigned ipv6 address & prefix
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echo "IPADDR6:$j=\"${IPADDR6[$i,$j]}\"" >>$INI
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echo "NETMASK6:$j=\"${NETMASK6[$i,$j]}\"" >>$INI
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echo "GATEWAY6:$j=\"${GATEWAY6[$i,$j]}\"" >>$INI
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echo "METRIC6:$j=\"${METRIC6[$i,$j]}\"" >>$INI
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echo "PRIVACY6:$j=\"\"" >>$INI
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fi
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done
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else
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# interface without VLANs
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echo "TYPE=\"access\"" >>$INI
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fi
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done
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# atomically update file
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mv $INI ${INI%.*}
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log "interface=${interface:-$1}, reason=$reason, protocol=$protocol"
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# delayed execution
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/usr/local/emhttp/webGui/scripts/update_services 20
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# generate our welcome text (management interface only)
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if [[ -z $interface || "eth0 br0 bond0 wlan0" =~ $interface ]]; then
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. /etc/unraid-version
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echo -e "Unraid Server OS version: $version" >/etc/issue
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# find management interface
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[[ -e $SYS/bond0 ]] && dev=bond0 || dev=eth0
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[[ -e $SYS/br0 ]] && dev=br0
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IPv4=$(ip -4 -br addr show $dev scope global | awk '{print $3;exit}' | sed -r 's/\/[0-9]+//')
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IPv6=$(ip -6 -br addr show $dev scope global -temporary -deprecated | awk '{print $3;exit}' | sed -r 's/\/[0-9]+//')
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# show current IP assignment
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[[ -n $IPv4 ]] && echo " IPv4 address: $IPv4" >>/etc/issue || echo " IPv4 address: not set" >>/etc/issue
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[[ -n $IPv6 ]] && echo " IPv6 address: $IPv6" >>/etc/issue || echo " IPv6 address: not set" >>/etc/issue
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if [[ -e $SYS/wlan0 ]]; then
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echo "Wireless network:" >>/etc/issue
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IPv4=$(ip -4 -br addr show wlan0 scope global | awk '{print $3;exit}' | sed -r 's/\/[0-9]+//')
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IPv6=$(ip -6 -br addr show wlan0 scope global -temporary -deprecated | awk '{print $3;exit}' | sed -r 's/\/[0-9]+//')
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[[ -n $IPv4 ]] && echo " IPv4 address: $IPv4" >>/etc/issue || echo " IPv4 address: not set" >>/etc/issue
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[[ -n $IPv6 ]] && echo " IPv6 address: $IPv6" >>/etc/issue || echo " IPv6 address: not set" >>/etc/issue
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fi
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echo >>/etc/issue
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fi
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exit 0
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