mirror of
https://github.com/unraid/webgui.git
synced 2026-02-08 01:49:19 -06:00
264 lines
9.8 KiB
Bash
Executable File
264 lines
9.8 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2005-2023, Lime Technology
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# Copyright 2012-2023, 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] REPLY[6] IPV4LL ROUTERADVERT'
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# update services listening interfaces / addresses
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[[ (-z $reason && -z $1) || (-n $reason && ! "BOUND6 REPLY6 IPV4LL ROUTERADVERT" =~ $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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reload=/usr/local/emhttp/webGui/scripts/reload_services
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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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mask(){
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# convert prefix to netmask
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set -- $((5-(${1:-0}/8))) 255 255 255 255 $(((255<<(8-(${1:-0}%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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source <(/usr/bin/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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# clear update information
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data=
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dhcp=
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# get interface name
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if [[ -n $1 ]]; then
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tag=$1
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else
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tag=$interface
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fi
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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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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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flag=
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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 addr show $IFACE|awk '/inet /{sub("/"," ",$2);print $2;exit}'))
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GW=$(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]}\"" >>$ini
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data="${data}${ETH}_I_IPADDR:0=${NET[0]} ${ETH}_S_NETMASK:0=$(mask ${NET[1]}) ${ETH}_I_GATEWAY:0=$GW "
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if [[ $i -eq 0 && -n $dns4 ]]; then
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x=1
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for SERVER in $dns4; do
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data="${data}${ETH}_I_DNS-SERVER${x}=$SERVER "
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((x++))
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done
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fi
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[[ "${PROTOCOL[$i]}" == *"ipv4"* ]] && flag=1
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else
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# get static assigned ipv4 address & mask
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echo "IPADDR:0=\"${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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if [[ ${USE_DHCP6[$i]} == yes ]]; then
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# get auto assigned ipv6 address & prefix
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NET6=($(ip -6 addr show $IFACE noprefixroute|awk '/inet6 /{sub("/"," ",$2);print $2;exit}'))
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GW6=$(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]}\"" >>$ini
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data="${data}${ETH}_I_IPADDR6:0=${NET6[0]} ${ETH}_I_NETMASK6:0=${NET6[1]} ${ETH}_I_GATEWAY6:0=$GW6 "
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if [[ $i -eq 0 && -n $dns6 ]]; then
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x=1
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for SERVER6 in $dns6; do
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data="${data}${ETH}_I_DNS6-SERVER${x}=$SERVER6 "
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((x++))
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done
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fi
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[[ "${PROTOCOL[$i]}" == *"ipv6"* ]] && flag=1
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else
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# get static assigned ipv6 address & prefix
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echo "IPADDR6:0=\"${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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[[ -n $flag && ($tag == $IFACE || $tag == init) ]] && dhcp=1
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echo "MTU=\"${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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flag=
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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 addr show $DEV|awk '/inet /{sub("/"," ",$2);print $2;exit}'))
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GW=$(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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data="${data}${ETH}_I_IPADDR:$j=${NET[0]} ${ETH}_S_NETMASK:$j=$(mask ${NET[1]}) ${ETH}_I_GATEWAY:$j=$GW "
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[[ "${PROTOCOL[$i,$j]}" == *"ipv4"* ]] && flag=1
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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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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 addr show $DEV noprefixroute|awk '/inet6 /{sub("/"," ",$2);print $2;exit}'))
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GW6=$(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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data="${data}${ETH}_I_IPADDR6:$j=${NET6[0]} ${ETH}_I_NETMASK6:$j=${NET6[1]} ${ETH}_I_GATEWAY6:$j=$GW6 "
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[[ "${PROTOCOL[$i,$j]}" == *"ipv6"* ]] && flag=1
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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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[[ -n $flag && ($tag == $IFACE || $tag == init) ]] && dhcp=1
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done
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else
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# interface without VLANs
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echo "TYPE=\"access\"" >>$ini
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fi
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done
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# atomically update file
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/usr/bin/mv $ini ${ini%.*}
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# the following section is executed on static only or on dhcp hook
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if [[ (-n $1 && -z $dhcp) || (-z $1 && -n $dhcp) ]]; then
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$reload >/dev/null 2>&1 &
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fi
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# send update information
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if [[ -n $interface && -n $data && -e /var/run/nginx.socket ]]; then
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curl -sfd "$data" --unix-socket /var/run/nginx.socket http://localhost/pub/dhcp?buffer_length=0 >/dev/null 2>&1
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fi
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# generate our welcome text (management interface only)
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if [[ -z $interface || "eth0 br0 bond0" =~ $interface ]]; then
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source /etc/unraid-version
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echo -e "unRAID Server OS version: $version" >/etc/issue
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# find management interface
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ETH=eth0
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[[ -e /sys/class/net/bond0 ]] && ETH=bond0
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[[ -e /sys/class/net/br0 ]] && ETH=br0
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IPv4=$(ip -4 addr show $ETH|awk '/inet /{print $2;exit}')
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IPv6=$(ip -6 addr show $ETH noprefixroute|awk '/inet6 /{print $2;exit}')
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[[ -z $IPv6 ]] && IPv6=$(ip -6 addr show $ETH scope global permanent|awk '/inet6 /{print $2;exit}')
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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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echo >>/etc/issue
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fi
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exit 0
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