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-rw-r--r--package/dnsmasq/files/dnsmasq.init96
1 files changed, 54 insertions, 42 deletions
diff --git a/package/dnsmasq/files/dnsmasq.init b/package/dnsmasq/files/dnsmasq.init
index 5e72fd014f..52973d4ca0 100644
--- a/package/dnsmasq/files/dnsmasq.init
+++ b/package/dnsmasq/files/dnsmasq.init
@@ -2,55 +2,67 @@
# Copyright (C) 2006 OpenWrt.org
START=60
-start() {
- include /lib/network
- scan_interfaces
-
- # The following is to automatically configure the DHCP settings
- # based on config settings. Feel free to replace all this crap
- # with a simple "dnsmasq" and manage everything via the
- # /etc/dnsmasq.conf config file
-
- [ -f /etc/dnsmasq.conf ] || exit
+
+dhcp_calc() {
+ local ip="$1"
+ local res=0
- args=""
- iface=lan
- config_get ifname "$iface" ifname
- config_get proto "$iface" proto
+ while [ -n "$ip" ]; do
+ part="${ip%%.*}"
+ res="$(($res * 256))"
+ res="$(($res + $part))"
+ [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
+ done
+ echo "$res"
+}
+
+dhcp_add() {
+ local cfg="$1"
+
+ config_get net "$cfg" interface
+ [ -n "$net" ] || return 0
- [ "$proto" = static ] && dhcp_enable="${dhcp_enable:-1}"
- dhcp_start="${dhcp_start:-100}"
- dhcp_num="${dhcp_num:-50}"
- dhcp_lease="${dhcp_lease:-12h}"
+ config_get ifname "$net" ifname
+ [ -n "$ifname" ] || return 0
- # if dhcp_enable is unset and there is a dhcp server on the network already, default to dhcp_enable=0
- [ -z "$dhcp_enable" ] && udhcpc -n -q -R -s /bin/true -i $ifname >&- && dhcp_enable="${dhcp_enable:-0}"
+ config_get_bool ignore "$cfg" ignore
+ [ "$ignore" -gt 0 ] && {
+ append args "-I $ifname"
+ return 0
+ }
- # dhcp_enable=0 disables the dhcp server
- (
- [ -z "$dhcp_enable" -o "$dhcp_enable" -eq 1 ] && {
- # no existing DHCP server?
+ config_get proto "$net" proto
+ [ static = "$proto" ] || return 0
- # calculate settings
- config_get ipaddr "$iface" ipaddr
- config_get netmask "$iface" netmask
- eval $(ipcalc $ipaddr $netmask ${dhcp_start:-100} ${dhcp_num:-150})
-
- # and pass the args via config parser defines
- echo "${dhcp_enable:+@define dhcp_enable 1}"
- echo "@define netmask $NETMASK"
- echo "@define start $START"
- echo "@define end $END"
- echo "@define lease ${dhcp_lease:-12h}"
- }
+ config_get ipaddr "$net" ipaddr
+ config_get netmask "$net" netmask
+
+ # check for an already active dhcp server on the interface, unless 'force' is set
+ config_get_bool force "$cfg" force 0
+ [ "$force" -gt 0 ] || {
+ udhcpc -n -q -R -s /bin/true -i $ifname >&- && return 0
+ }
- # ignore requests from wan interface
- config_get wan_proto wan proto
- config_get wan_ifname wan ifname
- [ -z "$wan_proto" -o "$wan_proto" = "none" ] || echo "@define wan_ifname $wan_ifname"
+ config_get start "$cfg" start
+ config_get end "$cfg" end
+ config_get leasetime "$cfg" leasetime
+
+ leasetime="${leasetime:-12h}"
+ start="$(dhcp_calc "${start:-100}")"
+ end="$((${end:-150} + 1))"
+ eval "$(ipcalc.sh $ipaddr $netmask $start $end)"
+ append args "-F $START,$END,$NETMASK,$leasetime"
+}
+
+start() {
+ include /lib/network
+ scan_interfaces
+ config_load dhcp
+
+ args=""
+ config_foreach dhcp_add dhcp
- cat /etc/dnsmasq.conf
- ) | awk -f /lib/config/template.awk | dnsmasq -C /proc/self/fd/0 && {
+ dnsmasq $args && {
rm -f /tmp/resolv.conf
cat > /tmp/resolv.conf <<EOF
nameserver 127.0.0.1