+++ /dev/null
-#!/bin/sh
-[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
-
-. /etc/functions.sh
-include /lib/network
-RESOLV_CONF="/tmp/resolv.conf.auto"
-
-change_state () {
- [ -n "$ifc" ] || return
- uci_revert_state "$1" "$2" "$3" "$4"
- uci_set_state "$1" "$2" "$3" "$4"
-}
-
-set_classless_routes() {
- local max=128
- local type
- while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
- [ ${1##*/} -eq 32 ] && type=host || type=net
- echo "udhcpc: adding route for $type $1 via $2"
- route add -$type "$1" gw "$2" dev "$interface"
- max=$(($max-1))
- shift 2
- done
-}
-
-setup_interface () {
- local old_ip
- local old_broadcast
- local old_subnet
- local old_router
- local old_dns
- local user_dns
- local user_router
- local user_metric
-
- [ -n "$ifc" ] && {
- old_ip="$(uci_get_state network "$ifc" ipaddr)"
- old_broadcast="$(uci_get_state network "$ifc" broadcast)"
- old_subnet="$(uci_get_state network "$ifc" netmask)"
- }
-
- [ "$ip" != "$old_ip" ] \
- || [ "${broadcast:-+}" != "$old_broadcast" ] \
- || [ "${subnet:-255.255.255.0}" != "$old_subnet" ] && {
- echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}"
- ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}
-
- change_state network "$ifc" ipaddr "$ip"
- change_state network "$ifc" broadcast "${broadcast:-+}"
- change_state network "$ifc" netmask "${subnet:-255.255.255.0}"
- }
-
-
- # Default Route
- [ -n "$ifc" ] && {
- change_state network "$ifc" lease_gateway "$router"
- old_router="$(uci_get_state network "$ifc" gateway)"
- user_router="$(uci_get network "$ifc" gateway)"
- user_metric="$(uci_get network "$ifc" metric)"
- [ -n "$user_router" ] && router="$user_router"
- }
-
- [ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && [ "$router" != "$old_router" ] && {
- echo "udhcpc: setting default routers: $router"
-
- local valid_gw=""
- for i in $router ; do
- route add default gw $i ${user_metric:+metric $user_metric} dev $interface
- valid_gw="${valid_gw:+$valid_gw|}$i"
- done
-
- eval $(route -n | awk '
- /^0.0.0.0\W{9}('$valid_gw')\W/ {next}
- /^0.0.0.0/ {print "route del -net "$1" gw "$2";"}
- ')
-
- change_state network "$ifc" gateway "$router"
- }
-
- # CIDR STATIC ROUTES (rfc3442)
- [ -n "$staticroutes" ] && set_classless_routes $staticroutes
- [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
-
- # DNS
- old_dns=$(uci_get_state network "$ifc" dns)
- old_domain=$(uci_get_state network "$ifc" dnsdomain)
- user_dns=$(uci_get "network.$ifc.dns")
- [ -n "$user_dns" ] && dns="$user_dns"
-
- [ -n "$dns" ] && [ "$dns" != "$old_dns" -o -n "$user_dns" ] && {
- echo "udhcpc: setting dns servers: $dns"
- add_dns "$ifc" $dns
-
- [ -n "$domain" ] && [ "$domain" != "$old_domain" ] && {
- echo "udhcpc: setting dns domain: $domain"
- sed -i -e "${old_domain:+/^search $old_domain$/d; }/^search $domain$/d" "${RESOLV_CONF}"
- echo "search $domain" >> "${RESOLV_CONF}"
- change_state network "$ifc" dnsdomain "$domain"
- }
- }
-
- [ -n "$ifc" ] || return
-
- # UCI State
- change_state network "$ifc" lease_server "$serverid"
- change_state network "$ifc" lease_acquired "$(sed -ne 's![^0-9].*$!!p' /proc/uptime)"
- change_state network "$ifc" lease_lifetime "$lease"
- [ -n "$ntpsrv" ] && change_state network "$ifc" lease_ntpsrv "$ntpsrv"
- [ -n "$timesvr" ] && change_state network "$ifc" lease_timesrv "$timesvr"
- [ -n "$hostname" ] && change_state network "$ifc" lease_hostname "$hostname"
- [ -n "$timezone" ] && change_state network "$ifc" lease_timezone "$timezone"
-
-
- # Hotplug
- env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
-}
-
-
-scan_interfaces
-applied=
-for ifc in $interfaces __default; do
- if [ "$ifc" = __default ]; then
- ifc=""
- [ -n "$applied" ] && continue
- else
- config_get ifname "$ifc" ifname
- [ "$ifname" = "$interface" ] || continue
-
- config_get proto "$ifc" proto
- [ "$proto" = "dhcp" ] || continue
- applied=true
- fi
-
- case "$1" in
- deconfig)
- ifconfig "$interface" 0.0.0.0
- [ -n "$ifc" ] && {
- env -i ACTION="ifdown" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
-
- config_get device "$ifc" device
- config_get ifname "$ifc" ifname
- config_get aliases "$ifc" aliases
- uci_revert_state network "$ifc"
- [ -n "$device" ] && uci_set_state network "$ifc" device "$device"
- [ -n "$ifname" ] && uci_set_state network "$ifc" ifname "$ifname"
- [ -n "$aliases" ] && uci_set_state network "$ifc" aliases "$aliases"
- }
- ;;
- renew)
- setup_interface update
- ;;
- bound)
- setup_interface ifup
- ;;
- esac
-done
-
-# user rules
-[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
-
-exit 0
projects / openwrt.git / blobdiff