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"
}
-uci_get() {
- uci -P /dev/null get "$1" 2>/dev/null
+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_dns
local user_dns
local user_router
+ local user_metric
- config_get old_ip "$ifc" ipaddr
- config_get old_broadcast "$ifc" broadcast
- config_get old_subnet "$ifc" netmask
+ [ -n "$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" ] \
# Default Route
- change_state network "$ifc" lease_gateway "$router"
- config_get old_router "$ifc" gateway
- user_router=$(uci_get "network.$ifc.gateway")
- [ -n "$user_router" ] && router="$user_router"
+ [ -n "$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" ] && [ "$router" != "$old_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 dev $interface
+ route add default gw $i ${user_metric:+metric $user_metric} dev $interface
valid_gw="${valid_gw:+$valid_gw|}$i"
done
change_state network "$ifc" gateway "$router"
}
+ # CIDR STATIC ROUTES (rfc3442)
+ [ -n "$staticroutes" ] && set_classless_routes $staticroutes
+ [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
# DNS
- config_get old_dns "$ifc" 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" != "$old_dns" ] && {
+ [ -n "$dns" ] && [ "$dns" != "$old_dns" -o -n "$user_dns" ] && {
echo "udhcpc: setting dns servers: $dns"
- echo -n > "${RESOLV_CONF}.tmp"
- for i in $dns ; do
- echo "nameserver $i" >> "${RESOLV_CONF}.tmp"
- done
- ${domain:+echo search $domain} >> "${RESOLV_CONF}.tmp"
- mv "${RESOLV_CONF}.tmp" "$RESOLV_CONF"
-
- change_state network "$ifc" dnsdomain "$domain"
- change_state network "$ifc" dns "$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 "$(date '+%s')"
+ change_state network "$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"
scan_interfaces
-
-for ifc in $interfaces; do
- config_get ifname "$ifc" ifname
- [ "$ifname" = "$interface" ] || continue
-
- config_get proto "$ifc" proto
- [ "$proto" = "dhcp" ] || continue
+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
- env -i ACTION="ifdown" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
- uci_revert_state network "$ifc"
+ [ -n "$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
setup_interface ifup
;;
esac
-
- # user rules
- [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
done
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
+
exit 0