START=60
-SERVICE_USE_PID=1
+USE_PROCD=1
+PROG=/usr/sbin/dnsmasq
DNS_SERVERS=""
DOMAIN=""
ADD_LOCAL_HOSTNAME=1
CONFIGFILE="/var/etc/dnsmasq.conf"
+HOSTFILE="/tmp/hosts/dhcp"
+TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
xappend() {
local value="$1"
echo "$res"
}
+dhcp_check() {
+ local ifname="$1"
+ local stamp="/var/run/dnsmasq.$ifname.dhcp"
+ local rv=0
+
+ [ -s "$stamp" ] && return $(cat "$stamp")
+
+ udhcpc -n -q -s /bin/true -t 1 -i "$ifname" >&- && rv=1 || rv=0
+
+ [ $rv -eq 1 ] && \
+ logger -t dnsmasq \
+ "found already running DHCP-server on interface '$ifname'" \
+ "refusing to start, use 'option force 1' to override"
+
+ echo $rv > "$stamp"
+ return $rv
+}
+
+log_once() {
+ pidof dnsmasq >/dev/null || \
+ logger -t dnsmasq "$@"
+}
+
append_bool() {
local section="$1"
local option="$2"
}
append_bogusnxdomain() {
- xappend "--bogus-nxdomain=$1"
+ xappend "--bogus-nxdomain=$1"
}
dnsmasq() {
config_get hostsfile "$cfg" dhcphostsfile
[ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
+ mkdir -p /tmp/hosts /tmp/dnsmasq.d
+ xappend "--addn-hosts=/tmp/hosts"
+ xappend "--conf-dir=/tmp/dnsmasq.d"
+
local rebind
config_get_bool rebind "$cfg" rebind_protection 1
[ $rebind -gt 0 ] && {
- logger -t dnsmasq \
+ log_once \
"DNS rebinding protection is active," \
"will discard upstream RFC1918 responses!"
xappend "--stop-dns-rebind"
local rebind_localhost
config_get_bool rebind_localhost "$cfg" rebind_localhost 0
[ $rebind_localhost -gt 0 ] && {
- logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
+ log_once "Allowing 127.0.0.0/8 responses"
xappend "--rebind-localhost-ok"
}
append_rebind_domain() {
- logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
+ log_once "Allowing RFC1918 responses for domain $1"
xappend "--rebind-domain-ok=$1"
}
config_list_foreach "$cfg" rebind_domain append_rebind_domain
}
+ config_get_bool dnssec "$cfg" dnssec 0
+ [ "$dnssec" -gt 0 ] && {
+ xappend "--conf-file=$TRUSTANCHORSFILE"
+ xappend "--dnssec"
+ append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
+ }
+
dhcp_option_add "$cfg" "" 0
+ xappend "--dhcp-broadcast=tag:needs-broadcast"
+
echo >> $CONFIGFILE
}
config_get tag "$cfg" tag
- xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}"
+ config_get_bool broadcast "$cfg" broadcast 0
+ [ "$broadcast" = "0" ] && broadcast=
+
+ xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}"
+
+ config_get_bool dns "$cfg" dns 0
+ [ "$dns" = "1" ] && {
+ echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
+ }
}
dhcp_tag_add() {
config_get networkid "$cfg" networkid
[ -n "$networkid" ] || networkid="$net"
- config_get ifname "$net" ifname
- [ -n "$ifname" ] || return 0
+ network_get_subnet subnet "$net" || return 0
+ network_get_device ifname "$net" || return 0
+ network_get_protocol proto "$net" || return 0
- config_get dnsserver "$net" dns
- [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
+ [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
DNS_SERVERS="$DNS_SERVERS $dnsserver"
}
append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
- config_get proto "$net" proto
+ # Do not support non-static interfaces for now
[ static = "$proto" ] || return 0
- config_get ipaddr "$net" ipaddr
- config_get netmask "$cfg" netmask
- [ -n "$netmask" ] || config_get netmask "$net" netmask
+ # Override interface netmask with dhcp config if applicable
+ config_get netmask "$cfg" netmask "${subnet##*/}"
#check for an already active dhcp server on the interface, unless 'force' is set
config_get_bool force "$cfg" force 0
- [ $force -gt 0 ] || {
- udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && {
- logger -t dnsmasq \
- "found already running DHCP-server on interface '$ifname'" \
- "refusing to start, use 'option force 1' to override"
- return 0
- }
- }
+ [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
config_get start "$cfg" start
config_get limit "$cfg" limit
start="$(dhcp_calc "${start:-100}")"
limit="${limit:-150}"
[ "$limit" -gt 0 ] && limit=$((limit-1))
- eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
+ eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
dhcp_domain_add() {
local cfg="$1"
- local ip name names
+ local ip name names record
config_get names "$cfg" name "$2"
[ -n "$names" ] || return 0
config_get ip "$cfg" ip "$3"
[ -n "$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:+.$DOMAIN}"
+ [ "${name%.*}" == "$name" ] && \
+ name="$name${DOMAIN:+.$DOMAIN}"
- xappend "--address=/$fqdn/$ip"
-
- [ -n "$raddr" ] && {
- xappend "--ptr-record=$raddr,$fqdn"
- raddr=""
- }
+ record="${record:+$record/}$name"
done
+
+ xappend "--address=/$record/$ip"
}
dhcp_srv_add() {
xappend "--cname=${cname},${target}"
}
-start() {
- include /lib/network
- scan_interfaces
+dhcp_hostrecord_add() {
+ local cfg="$1"
+ local names addresses record val
- local lanaddr
- config_get lanaddr "lan" ipaddr
+ config_get names "$cfg" name "$2"
+ if [ -z "$names" ]; then
+ return 0
+ fi
+
+ config_get addresses "$cfg" ip "$3"
+ if [ -z "$addresses" ]; then
+ return 0
+ fi
+
+ for val in $names $addresses; do
+ record="${record:+$record,}$val"
+ done
+
+ xappend "--host-record=$record"
+}
+
+service_triggers()
+{
+ procd_add_reload_trigger "dhcp"
+}
+
+boot() {
+ # Will be launched through hotplug
+ return 0
+}
+
+start_service() {
+ include /lib/functions
config_load dhcp
+ procd_open_instance
+ procd_set_param command $PROG -C $CONFIGFILE -k
+ procd_set_param file $CONFIGFILE
+ procd_set_param respawn
+ procd_close_instance
+
# before we can call xappend
mkdir -p $(dirname $CONFIGFILE)
echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
+ echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
# if we did this last, we could override auto-generated config
[ -f /etc/dnsmasq.conf ] && {
config_foreach dhcp_remoteid_add remoteid
config_foreach dhcp_subscrid_add subscrid
config_foreach dhcp_domain_add domain
+ config_foreach dhcp_hostrecord_add hostrecord
+
+ # add own hostname
+ local lanaddr
+ [ $ADD_LOCAL_HOSTNAME -eq 1 ] && network_get_ipaddr lanaddr "lan" && {
+ local hostname="$(uci_get system @system[0] hostname OpenWrt)"
+ dhcp_hostrecord_add "" "${hostname%.$DOMAIN}${DOMAIN:+.$DOMAIN ${hostname%.$DOMAIN}}" "$lanaddr"
+ }
+
echo >> $CONFIGFILE
config_foreach dhcp_srv_add srvhost
config_foreach dhcp_mx_add mxhost
echo >> $CONFIGFILE
- config_foreach dhcp_add dhcp
+
+ config_get odhcpd_is_active odhcpd maindhcp
+ if [ "$odhcpd_is_active" != "1" ]; then
+ config_foreach dhcp_add dhcp
+ fi
+
echo >> $CONFIGFILE
config_foreach dhcp_cname_add cname
echo >> $CONFIGFILE
- # add own hostname
- [ $ADD_LOCAL_HOSTNAME -eq 1 ] && [ -n "$lanaddr" ] && {
- local hostname="$(uci_get system.@system[0].hostname)"
- dhcp_domain_add "" "${hostname:-OpenWrt}" "$lanaddr"
+ rm -f /tmp/resolv.conf
+ [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$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
+}
- service_start /usr/sbin/dnsmasq -C $CONFIGFILE && {
- rm -f /tmp/resolv.conf
- [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
- echo "search $DOMAIN" >> /tmp/resolv.conf
- }
- DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
- for DNS_SERVER in $DNS_SERVERS ; do
- echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
- done
- }
+reload_service() {
+ rc_procd start_service "$@"
+ return 0
}
-stop() {
- service_stop /usr/sbin/dnsmasq && {
- [ -f /tmp/resolv.conf ] && {
- rm -f /tmp/resolv.conf
- ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
- }
+stop_service() {
+ [ -f /tmp/resolv.conf ] && {
+ rm -f /tmp/resolv.conf
+ ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
}
+ rm -f /var/run/dnsmasq.*.dhcp
}
projects / openwrt / openwrt.git / blobdiff