X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/49d34155494e7e1625855003bcbb240d2c1fe051..e8ba9215484578c9ea1acf05cc41a58b9a2ab8b7:/package/base-files/files/usr/share/udhcpc/default.script

diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index 08b59d086..8dbff4747 100755
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -6,12 +6,21 @@ 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"
 }
 
-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 () {
@@ -22,10 +31,13 @@ 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" ] \
@@ -40,17 +52,20 @@ setup_interface () {
 
 
 	# 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
 		
@@ -63,102 +78,32 @@ setup_interface () {
 	}
 
 	# CIDR STATIC ROUTES (rfc3442)
-	[ -n "$cidrroute" ] && {
-		# This defines how many CIDR Routes can be assigned so that we do not enter
-		# an endless loop on malformed data
-		MAXCIDRROUTES=24;
-		while [ ${MAXCIDRROUTES} -gt "0" ]; do
-			# Format is
-			# $MASK $NW $GW
-			# $NW == AAA.BBB.CCC.DDD
-			# $GW == EEE.FFF.CCC.DDD
-			# $MASK AAA.[BBB].[CCC].[DDD] EEE.FFF.GGG.HHH
-			#   1    2    3     4     5    6   7   8   9
-			MASK=$(echo $cidrroute | awk '{ print $1 }')
-			if [ ${MASK} = "0" ] ; then
-				# $MASK EEE.FFF.GGG.HHH
-				#   1    2   3   5   6
-				NW="0"
-				GW=$(echo $cidrroute | awk '{ print $2"."$3"."$4"."$5 }' )
-			elif [ ${MASK} -le "8" ] ; then
-				# $MASK AAA EEE.FFF.GGG.HHH
-				#   1    2   3   5   6   7
-				NW=$(echo $cidrroute | awk '{ print $2 }' )
-				GW=$(echo $cidrroute | awk '{ print $3"."$4"."$5"."$6 }' )
-			elif [ ${MASK} -le "16" ] ; then
-				# $MASK AAA.BBB EEE.FFF.GGG.HHH
-				#   1    2   3   5   6   7   8
-				NW=$(echo $cidrroute | awk '{ print $2"."$3 }' )
-				GW=$(echo $cidrroute | awk '{ print $4"."$5"."$6"."$7 }' )
-			elif [ ${MASK} -le "24" ] ; then
-				# $MASK AAA.BBB.CCC EEE.FFF.GGG.HHH
-				#   1    2   3   4   5   6   7   8
-				NW=$(echo $cidrroute | awk '{ print $2"."$3"."$4 }' )
-				GW=$(echo $cidrroute | awk '{ print $5"."$6"."$7"."$8 }' )
-
-			else
-				# $MASK AAA.BBB.CCC.DDD EEE.FFF.GGG.HHH
-				#   1    2   3   4   5   6   7   8   9
-				NW=$(echo $cidrroute | awk '{ print $2"."$3"."$4"."$5 }' )
-				GW=$(echo $cidrroute | awk '{ print $6"."$7"."$8"."$9 }' )
-			fi
-			echo [$ROUTECOUNTER] Route Network: $NW/$MASK Gateway: $GW on $interface
-
-			# TODO: Check for malformed data here to eliminate counter workaround
-			# Malformed data is: ... or xxx... or xxx.yyy.. or xxx.yyy.zzz.
-
-			[ -n "$NW" ] && [ -n "$GW" ] && {
-				route add $NW gw $GW dev $interface
-			}
-
-			# Clear the strings incase they don't get set next time around
-			if [ ${NW} = "0" ]; then
-				NW=""
-			fi
-			TMP="$MASK $NW $GW "
-			NW=""
-			GW=""
-
-			# Remove the '.' so that we can delete them from the input with sed
-			TMP=$(echo $TMP | sed "s/\./ /g")
-
-			# Remove the previous entry from cidrroute
-			cidrroute=$(echo $cidrroute | sed "s/$TMP//g")
-
-			# Add to counter
-			let ROUTECOUNTER=$ROUTECOUNTER+1;
-			let MAXCIDRROUTES=$MAXCIDRROUTES-1;
-
-			# Leave the loop if cidrroutes is empty (we've parsed everything)
-			[ ! -n "$cidrroute" ] && break
-
-		done
-
-		echo "done."
-	}
+	[ -n "$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 "$dns" ] && [ ! -s "${RESOLV_CONF}" -o "$dns" != "$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"
@@ -172,26 +117,34 @@ setup_interface () {
 
 
 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
+			[ -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 "$aliases"
+				config_get device "$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
@@ -200,9 +153,9 @@ for ifc in $interfaces; do
 			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