diff options
Diffstat (limited to 'openwrt/target/default')
3 files changed, 55 insertions, 6 deletions
diff --git a/openwrt/target/default/target_skeleton/etc/functions.sh b/openwrt/target/default/target_skeleton/etc/functions.sh index 48f1191cc4..60d6231f8a 100755 --- a/openwrt/target/default/target_skeleton/etc/functions.sh +++ b/openwrt/target/default/target_skeleton/etc/functions.sh @@ -12,7 +12,7 @@ nvram () { . /etc/nvram.overrides # valid interface? -if_valid () { +if_valid () ( ifconfig "$1" >&- 2>&- || [ "${1%%[0-9]}" = "br" ] || { @@ -29,5 +29,29 @@ if_valid () { $DEBUG vconfig add $vif $i 2>&- ) } || - { debug "# missing interface '$if' ignored"; false; } + { debug "# missing interface '$1' ignored"; false; } +) + +bitcount () { + local c=$1 + echo $(( + c=((c>> 1)&0x55555555)+(c&0x55555555), + c=((c>> 2)&0x33333333)+(c&0x33333333), + c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f), + c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff), + c=((c>>16)&0x0000ffff)+(c&0x0000ffff) + )) +} + +valid_netmask () { + return $((-($1)&~$1)) +} + +ip2int () ( + set $(echo $1 | tr '\.' ' ') + echo $(($1<<24|$2<<16|$3<<8|$4)) +) + +int2ip () { + echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255)) } diff --git a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq index 995c1b6e7a..55bbc37197 100755 --- a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq +++ b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq @@ -1,2 +1,25 @@ #!/bin/sh -/usr/sbin/dnsmasq +. /etc/functions.sh + +# interface to use for DHCP +iface=lan + +ifname=$(nvram get ${iface}_ifname) +ipaddr=$(nvram get ${iface}_ipaddr) +netmask=$(nvram get ${iface}_netmask) + +# check for existing DHCP server +udhcpc -n -q -R -s /dev/zero -i $ifname >&- || { + + ipaddr=$(ip2int $ipaddr) + netmask=$(ip2int ${netmask:-255.255.255.0}) + network=$((ipaddr&netmask)) + + start=$(nvram get dhcp_start) + start=$((network+${start:-100})) + end=$(nvram get dhcp_num) + end=$((start+${end:-150})) + + args="-K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h" +} +/usr/sbin/dnsmasq ${args} diff --git a/openwrt/target/default/target_skeleton/sbin/ifup b/openwrt/target/default/target_skeleton/sbin/ifup index 9759f8d4d5..60f9a17302 100755 --- a/openwrt/target/default/target_skeleton/sbin/ifup +++ b/openwrt/target/default/target_skeleton/sbin/ifup @@ -10,6 +10,7 @@ if_valid $if || return + mac=$(nvram get ${type}_hwaddr) $DEBUG ifconfig $if down 2>&- if [ "${if%%[0-9]}" = "br" ]; then stp=$(nvram get ${type}_stp) @@ -19,13 +20,14 @@ $DEBUG brctl stp $if ${stp:-0} for sif in $(nvram get ${type}_ifnames); do { if_valid $sif || continue + ${mac:+$DEBUG ifconfig $sif down hw ether $mac} $DEBUG ifconfig $sif 0.0.0.0 up $DEBUG brctl addif $if $sif } done + else + ${mac:+$DEBUG ifconfig $if down hw ether $mac} fi - mac=$(nvram get ${type}_hwaddr) - ${mac:+$DEBUG ifconfig $if hw ether $mac} if_proto=$(nvram get ${type}_proto) case "$if_proto" in @@ -50,7 +52,7 @@ if [ -f $pidfile ]; then $DEBUG kill $(cat $pidfile) fi - ${DEBUG:-eval} "udhcpc -i $if ${ip:+-r $ip} -b -p $pidfile &" + ${DEBUG:-eval} "udhcpc -R -i $if ${ip:+-r $ip} -b -p $pidfile &" ;; none|"") # pppoe is handled by /etc/init.d/S50pppoe |