Message ID | 1453294297-21725-1-git-send-email-openwrt@daniel.thecshore.com |
---|---|
State | Changes Requested |
Headers | show |
* openwrt@daniel.thecshore.com <openwrt@daniel.thecshore.com> [20.01.2016 14:01]: > +# From Bastian Bittorf <bittorf@bluebottle.com> > +# Included in this file to avoid dependencies > +mask2cidr() please drop the comment, thank you. > +{ > + local x=${1##*255.} > + local allones=$(( (${#1} - ${#x}) * 2 )) > + local tbl='0^^^128^192^224^240^248^252^254^' > + > + x=${tbl%%${x%%.*}*} > + CIDR=$(( allones + (${#x}/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" > + ip route add "$1" via "$2" dev "$interface" > max=$(($max-1)) please use max=$((max-1)) the '$' is unneeded (just style). > setup_interface() { > - echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}" > - ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+} > + local CIDR > + > + mask2cidr ${subnet:-255.255.255.0} > + > + echo "udhcpc: ip address add $ip/${CIDR} ${broadcast:-+} dev $interface" > + ip address add $ip/${prefix:-24} ${broadcast:-+} dev $interface" a mistake: "add $ip/${prefix:-24} " -> "add $ip/$CIDR" like in the 'echo' > @@ -41,7 +55,7 @@ setup_interface() { > applied= > case "$1" in > deconfig) > - ifconfig "$interface" 0.0.0.0 > + ip -f inet addr flush dev "$interface" during scripting i like to use '-family' which makes it clearer for the unpractised reader. (so dont abbrev. 8-) thank you! bye, bastian
diff --git a/package/network/config/netifd/files/usr/share/udhcpc/default.script b/package/network/config/netifd/files/usr/share/udhcpc/default.script index ac765a6..78cfe36 100755 --- a/package/network/config/netifd/files/usr/share/udhcpc/default.script +++ b/package/network/config/netifd/files/usr/share/udhcpc/default.script @@ -1,34 +1,48 @@ #!/bin/sh [ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1 +# From Bastian Bittorf <bittorf@bluebottle.com> +# Included in this file to avoid dependencies +mask2cidr() +{ + local x=${1##*255.} + local allones=$(( (${#1} - ${#x}) * 2 )) + local tbl='0^^^128^192^224^240^248^252^254^' + + x=${tbl%%${x%%.*}*} + CIDR=$(( allones + (${#x}/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" + ip route add "$1" via "$2" dev "$interface" max=$(($max-1)) shift 2 done } setup_interface() { - echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}" - ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+} + local CIDR + + mask2cidr ${subnet:-255.255.255.0} + + echo "udhcpc: ip address add $ip/${CIDR} ${broadcast:-+} dev $interface" + ip address add $ip/${prefix:-24} ${broadcast:-+} dev $interface" [ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && { echo "udhcpc: setting default routers: $router" local valid_gw="" for i in $router ; do - route add default gw $i dev $interface + ip route add default via $i 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";"} + eval $(ip route | awk ' + /^default\Wvia\W('$valid_gw')/ {next} + /^default/ {print "ip route del "$1" via "$3";"} ') } @@ -41,7 +55,7 @@ setup_interface() { applied= case "$1" in deconfig) - ifconfig "$interface" 0.0.0.0 + ip -f inet addr flush dev "$interface" ;; renew) setup_interface update