[package] base-files:
[openwrt/svn-archive/archive.git] / package / base-files / files / usr / share / udhcpc / default.script
index f629c745f4eebee7ea7c99deb266a14eea149e99..39527778ad1973cd1206ead85fd8e404bcf2f268 100755 (executable)
@@ -6,14 +6,11 @@ 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
-}
-
 setup_interface () {
        local old_ip
        local old_broadcast
@@ -23,9 +20,11 @@ setup_interface () {
        local user_dns
        local user_router
 
-       config_get old_ip        "$ifc" ipaddr
-       config_get old_broadcast "$ifc" broadcast
-       config_get old_subnet    "$ifc" netmask
+       [ -n "$ifc" ] && {
+               config_get old_ip        "$ifc" ipaddr
+               config_get old_broadcast "$ifc" broadcast
+               config_get old_subnet    "$ifc" netmask
+       }
 
        [ "$ip" != "$old_ip" ] \
        || [ "${broadcast:-+}" != "$old_broadcast" ] \
@@ -40,12 +39,14 @@ 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"
+               config_get old_router "$ifc" gateway
+               user_router=$(uci_get "network.$ifc.gateway")
+               [ -n "$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=""
@@ -62,25 +63,100 @@ setup_interface () {
                change_state network "$ifc" gateway "$router"
        }
 
+       # 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."
+       }
 
        # 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"
@@ -98,26 +174,34 @@ 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
@@ -126,9 +210,9 @@ 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