+ append args "--dhcp-host=$macs,${networkid:+net:$networkid,}$ip${name:+,$name}"
+}
+
+dhcp_mac_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get mac "$cfg" mac
+ [ -n "$mac" ] || return 0
+
+ append args "--dhcp-mac=$networkid,$mac"
+
+ dhcp_option_add "$cfg" "$networkid"
+}
+
+dhcp_boot_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+
+ config_get filename "$cfg" filename
+ [ -n "$filename" ] || return 0
+
+ config_get servername "$cfg" servername
+ [ -n "$servername" ] || return 0
+
+ config_get serveraddress "$cfg" serveraddress
+ [ -n "$serveraddress" ] || return 0
+
+ append args "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
+
+ dhcp_option_add "$cfg" "$networkid"
+}
+
+
+dhcp_add() {
+ local cfg="$1"
+ config_get net "$cfg" interface
+ [ -n "$net" ] || return 0
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || networkid="$net"
+
+ config_get ifname "$net" ifname
+ [ -n "$ifname" ] || return 0
+
+ config_get dnsserver "$net" dns
+ [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
+ DNS_SERVERS="$DNS_SERVERS $dnsserver"
+ }
+
+ append_bool "$cfg" ignore "-2 '$ifname'" && return 0
+
+ config_get proto "$net" proto
+ [ static = "$proto" ] || return 0
+
+ config_get ipaddr "$net" ipaddr
+ config_get netmask "$cfg" netmask
+ [ -n "$netmask" ] || 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 -s /bin/true -t 1 -i $ifname >&- && return 0
+ }
+
+ config_get start "$cfg" start
+ config_get limit "$cfg" limit
+ config_get leasetime "$cfg" leasetime
+ config_get options "$cfg" options
+ config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
+
+ leasetime="${leasetime:-12h}"
+ start="$(dhcp_calc "${start:-100}")"
+ limit="${limit:-150}"
+ eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
+ if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
+ append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
+
+ dhcp_option_add "$cfg" "$networkid"
+}
+
+dhcp_option_add() {
+ local cfg="$1"
+ local networkid="$2"
+
+ config_get dhcp_option "$cfg" dhcp_option
+ for o in $dhcp_option; do
+ append args "-O $networkid","$o"
+ done
+
+}
+
+dhcp_domain_add() {
+ local cfg="$1"
+ local ip name names
+
+ config_get names "$cfg" name
+ [ -n "$names" ] || return 0
+
+ config_get ip "$cfg" ip
+ [ -n "$ip" ] || return 0
+
+ local oIFS="$IFS"; IFS="."; set -- $ip; IFS="$oIFS"
+ local raddr="${4:+$4.$3.$2.$1.in-addr.arpa}"
+
+ for name in $names; do
+ local fqdn="$name"
+
+ [ "${fqdn%.*}" == "$fqdn" ] && \
+ fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
+
+ append args "-A /$fqdn/$ip"
+
+ [ -n "$raddr" ] && {
+ append args "--ptr-record=$raddr,$fqdn"
+ raddr=""
+ }
+ done
+}
+
+dhcp_srv_add() {
+ local cfg="$1"
+
+ config_get srv "$cfg" srv
+ [ -n "$srv" ] || return 0
+
+ config_get target "$cfg" target
+ [ -n "$target" ] || return 0
+
+ config_get port "$cfg" port
+
+ local service="$srv,$target"
+ [ -n "$port" ] && service="$service,$port"
+
+ append args "-W $service"
+}
+
+start() {
+ include /lib/network
+ scan_interfaces
+ config_load dhcp
+
+ args=""
+ config_foreach dnsmasq dnsmasq
+ config_foreach dhcp_host_add host
+ config_foreach dhcp_boot_add boot
+ config_foreach dhcp_mac_add mac
+ config_foreach dhcp_vendorclass_add vendorclass
+ config_foreach dhcp_userclass_add userclass
+ config_foreach dhcp_circuitid_add circuitid
+ config_foreach dhcp_remoteid_add remoteid
+ config_foreach dhcp_subscrid_add subscrid
+ config_foreach dhcp_domain_add domain
+ config_foreach dhcp_srv_add srvhost
+ config_foreach dhcp_add dhcp
+
+ /usr/sbin/dnsmasq $args && {
+ rm -f /tmp/resolv.conf
+ [ -n "$DOMAIN" ] && echo "search $DOMAIN" >> /tmp/resolv.conf
+ DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
+ for DNS_SERVER in $DNS_SERVERS ; do
+ echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
+ done
+ }
+}
+
+stop() {
+ [ -f /tmp/resolv.conf ] && {
+ rm -f /tmp/resolv.conf
+ ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
+ }
+ killall dnsmasq
+ return 0
+}