1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2006 OpenWrt.org
10 while [ -n "$ip" ]; do
13 res="$(($res + $part))"
14 [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
22 config_get net "$cfg" interface
23 [ -n "$net" ] || return 0
25 config_get ifname "$net" ifname
26 [ -n "$ifname" ] || return 0
28 config_get_bool ignore "$cfg" ignore
29 [ "$ignore" -gt 0 ] && {
30 append args "-I $ifname"
34 config_get proto "$net" proto
35 [ static = "$proto" ] || return 0
37 config_get ipaddr "$net" ipaddr
38 config_get netmask "$net" netmask
40 # check for an already active dhcp server on the interface, unless 'force' is set
41 config_get_bool force "$cfg" force 0
42 [ "$force" -gt 0 ] || {
43 udhcpc -n -q -R -s /bin/true -i $ifname >&- && return 0
46 config_get start "$cfg" start
47 config_get end "$cfg" end
48 config_get leasetime "$cfg" leasetime
50 leasetime="${leasetime:-12h}"
51 start="$(dhcp_calc "${start:-100}")"
52 end="$((${end:-150} + 1))"
53 eval "$(ipcalc.sh $ipaddr $netmask $start $end)"
54 append args "-F $START,$END,$NETMASK,$leasetime"
63 config_foreach dhcp_add dhcp
66 rm -f /tmp/resolv.conf
67 cat > /tmp/resolv.conf <<EOF