finally move buildroot-ng to trunk
[openwrt/staging/dedeckeh.git] / package / dnsmasq / files / dnsmasq.init
1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2006 OpenWrt.org
3
4 start() {
5 include /lib/network
6 scan_interfaces
7
8 # The following is to automatically configure the DHCP settings
9 # based on config settings. Feel free to replace all this crap
10 # with a simple "dnsmasq" and manage everything via the
11 # /etc/dnsmasq.conf config file
12
13 [ -f /etc/dnsmasq.conf ] || exit
14
15 args=""
16 iface=lan
17 config_get ifname "$iface" ifname
18 config_get proto "$iface" proto
19
20 [ "$proto" = static ] && dhcp_enable="${dhcp_enable:-1}"
21 dhcp_start="${dhcp_start:-100}"
22 dhcp_num="${dhcp_num:-50}"
23 dhcp_lease="${dhcp_lease:-12h}"
24
25 # if dhcp_enable is unset and there is a dhcp server on the network already, default to dhcp_enable=0
26 [ -z "$dhcp_enable" ] && udhcpc -n -q -R -s /bin/true -i $ifname >&- && dhcp_enable="${dhcp_enable:-0}"
27
28 # dhcp_enable=0 disables the dhcp server
29 (
30 [ -z "$dhcp_enable" -o "$dhcp_enable" -eq 1 ] && {
31 # no existing DHCP server?
32
33 # calculate settings
34 config_get ipaddr "$iface" ipaddr
35 config_get netmask "$iface" netmask
36 eval $(ipcalc $ipaddr $netmask ${dhcp_start:-100} ${dhcp_num:-150})
37
38 # and pass the args via config parser defines
39 echo "${dhcp_enable:+@define dhcp_enable 1}"
40 echo "@define netmask $NETMASK"
41 echo "@define start $START"
42 echo "@define end $END"
43 echo "@define lease ${dhcp_lease:-12h}"
44 }
45
46 # ignore requests from wan interface
47 config_get wan_proto wan proto
48 config_get wan_ifname wan ifname
49 [ -z "$wan_proto" -o "$wan_proto" = "none" ] || echo "@define wan_ifname $wan_ifname"
50
51 cat /etc/dnsmasq.conf
52 ) | awk -f /usr/lib/parse-config.awk | dnsmasq -C /proc/self/fd/0
53 }
54
55 stop() {
56 killall dnsmasq
57 }