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author | Mike Baker <mbm@openwrt.org> | 2005-05-30 09:09:58 +0000 |
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committer | Mike Baker <mbm@openwrt.org> | 2005-05-30 09:09:58 +0000 |
commit | 1681b6849de4b25eab9238cba5588485b0dd93aa (patch) | |
tree | dd2c97b19abc4292f9cd24b0af9f72e0c4af755f /target/default/target_skeleton/etc/init.d/S50dnsmasq | |
parent | 8855373aa769fafa8fc7dae9eab58426f59ac125 (diff) | |
download | master-187ad058-1681b6849de4b25eab9238cba5588485b0dd93aa.tar.gz master-187ad058-1681b6849de4b25eab9238cba5588485b0dd93aa.tar.bz2 master-187ad058-1681b6849de4b25eab9238cba5588485b0dd93aa.zip |
make dnsmasq probe for dhcp servers before starting a dhcp server
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1110 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/default/target_skeleton/etc/init.d/S50dnsmasq')
-rwxr-xr-x | target/default/target_skeleton/etc/init.d/S50dnsmasq | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/target/default/target_skeleton/etc/init.d/S50dnsmasq b/target/default/target_skeleton/etc/init.d/S50dnsmasq index 995c1b6e7a..55bbc37197 100755 --- a/target/default/target_skeleton/etc/init.d/S50dnsmasq +++ b/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} |