1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2007-2012 OpenWrt.org
14 BASECONFIGFILE
="/var/etc/dnsmasq.conf"
15 BASEHOSTFILE
="/tmp/hosts/dhcp"
16 TRUSTANCHORSFILE
="/usr/share/dnsmasq/trust-anchors.conf"
17 TIMEVALIDFILE
="/var/state/dnsmasqsec"
18 BASEDHCPSTAMPFILE
="/var/run/dnsmasq"
19 RFC6761FILE
="/usr/share/dnsmasq/rfc6761.conf"
20 DHCPSCRIPT
="/usr/lib/dnsmasq/dhcp-script.sh"
27 echo "${value#--}" >> $CONFIGFILE_TMP
32 local hex
="${2#0x}" # strip optional "0x" prefix
34 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
35 # is invalid hex literal
39 # convert into host id
42 $(((0x$hex >> 16) % 65536)) \
53 while [ -n "$ip" ]; do
56 res
="$(($res + $part))"
57 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
64 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
67 [ -s "$stamp" ] && return $
(cat "$stamp")
69 # If there's no carrier yet, skip this interface.
70 # The init script will be called again once the link is up
71 case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
75 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
79 "found already running DHCP-server on interface '$ifname'" \
80 "refusing to start, use 'option force 1' to override"
87 pidof dnsmasq
>/dev
/null || \
88 logger
-t dnsmasq
"$@"
94 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
95 [ -f "$file" ] && return 0
107 [ -z "$default" ] && default
="0"
108 config_get_bool _loctmp
"$section" "$option" "$default"
109 [ $_loctmp -gt 0 ] && xappend
"$value"
118 config_get _loctmp
"$section" "$option" "$default"
119 [ -z "$_loctmp" ] && return 0
120 xappend
"$switch=$_loctmp"
124 xappend
"--server=$1"
127 append_rev_server
() {
128 xappend
"--rev-server=$1"
132 xappend
"--address=$1"
140 network_get_device ifname
"$1" || ifname
="$1"
141 xappend
"--interface=$ifname"
144 append_listenaddress
() {
145 xappend
"--listen-address=$1"
148 append_notinterface
() {
149 network_get_device ifname
"$1" || ifname
="$1"
150 xappend
"--except-interface=$ifname"
154 xappend
"--addn-hosts=$1"
157 append_bogusnxdomain
() {
158 xappend
"--bogus-nxdomain=$1"
161 append_pxe_service
() {
162 xappend
"--pxe-service=$1"
165 append_interface_name
() {
166 xappend
"--interface-name=$1,$2"
170 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
172 # use entry when no instance entry set, or if it matches
173 config_get found_cfg
"$cfg" "instance"
174 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
179 dhcp_subscrid_add
() {
182 config_get networkid
"$cfg" networkid
183 [ -n "$networkid" ] ||
return 0
185 config_get subscriberid
"$cfg" subscriberid
186 [ -n "$subscriberid" ] ||
return 0
188 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
190 config_get_bool force
"$cfg" force
0
192 dhcp_option_add
"$cfg" "$networkid" "$force"
195 dhcp_remoteid_add
() {
198 config_get networkid
"$cfg" networkid
199 [ -n "$networkid" ] ||
return 0
201 config_get remoteid
"$cfg" remoteid
202 [ -n "$remoteid" ] ||
return 0
204 xappend
"--dhcp-remoteid=$networkid,$remoteid"
206 config_get_bool force
"$cfg" force
0
208 dhcp_option_add
"$cfg" "$networkid" "$force"
211 dhcp_circuitid_add
() {
212 # TODO: DHCPV6 does not have circuitid; catch "option6:"
215 config_get networkid
"$cfg" networkid
216 [ -n "$networkid" ] ||
return 0
218 config_get circuitid
"$cfg" circuitid
219 [ -n "$circuitid" ] ||
return 0
221 xappend
"--dhcp-circuitid=$networkid,$circuitid"
223 config_get_bool force
"$cfg" force
0
225 dhcp_option_add
"$cfg" "$networkid" "$force"
228 dhcp_userclass_add
() {
231 config_get networkid
"$cfg" networkid
232 [ -n "$networkid" ] ||
return 0
234 config_get userclass
"$cfg" userclass
235 [ -n "$userclass" ] ||
return 0
237 xappend
"--dhcp-userclass=$networkid,$userclass"
239 config_get_bool force
"$cfg" force
0
241 dhcp_option_add
"$cfg" "$networkid" "$force"
244 dhcp_vendorclass_add
() {
245 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
248 config_get networkid
"$cfg" networkid
249 [ -n "$networkid" ] ||
return 0
251 config_get vendorclass
"$cfg" vendorclass
252 [ -n "$vendorclass" ] ||
return 0
254 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
256 config_get_bool force
"$cfg" force
0
258 dhcp_option_add
"$cfg" "$networkid" "$force"
264 config_get networkid
"$cfg" networkid
265 [ -n "$networkid" ] ||
return 0
267 config_get match
"$cfg" match
268 [ -n "$match" ] ||
return 0
270 xappend
"--dhcp-match=$networkid,$match"
272 config_get_bool force
"$cfg" force
0
274 dhcp_option_add
"$cfg" "$networkid" "$force"
279 local hosttag nametime addrs duids macs tags
281 config_get_bool force
"$cfg" force
0
283 config_get networkid
"$cfg" networkid
284 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
286 config_get_bool
enable "$cfg" enable 1
287 [ "$enable" = "0" ] && return 0
289 config_get name
"$cfg" name
290 config_get ip
"$cfg" ip
291 config_get hostid
"$cfg" hostid
293 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
295 config_get_bool dns
"$cfg" dns
0
296 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
297 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
300 config_get mac
"$cfg" mac
301 config_get duid
"$cfg" duid
302 config_get tag
"$cfg" tag
304 if [ -n "$mac" ]; then
305 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
306 # many MAC are possible to track a laptop ON/OFF dock
307 for m
in $mac; do append macs
"$m" ","; done
310 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
311 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
312 # one (virtual) machine gets one DUID per RFC3315
313 duids
="id:${duid// */}"
316 if [ -z "$macs" -a -z "$duids" ]; then
317 # --dhcp-host=lap,192.168.0.199,[::beef]
318 [ -n "$name" ] ||
return 0
323 if [ -n "$hostid" ]; then
324 hex_to_hostid hostid
"$hostid"
327 if [ -n "$tag" ]; then
328 for t
in $tag; do append tags
"$t" ",set:"; done
331 config_get_bool broadcast
"$cfg" broadcast
0
332 config_get leasetime
"$cfg" leasetime
334 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
336 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
337 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
339 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
340 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
341 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
343 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
347 dhcp_this_host_add
() {
351 local routerstub routername ifdashname
352 local lanaddr lanaddr6 lanaddrs6 ulaprefix
354 if [ "$mode" -gt 0 ] ; then
355 ifdashname
="${ifname//./-}"
356 routerstub
="$( md5sum /etc/os-release )"
357 routerstub
="router-${routerstub// */}"
358 routername
="$( uci_get system @system[0] hostname $routerstub )"
360 if [ "$mode" -gt 1 ] ; then
361 if [ "$mode" -gt 2 ] ; then
362 if [ "$mode" -gt 3 ] ; then
363 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
366 append_interface_name
"$routername.$DOMAIN" "$ifname"
369 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
370 append_interface_name
"$routername" "$ifname"
373 # This uses a static host file entry for only limited addresses.
374 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
375 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
376 network_get_ipaddr lanaddr
"$net"
377 network_get_ipaddrs6 lanaddrs6
"$net"
379 if [ -n "$lanaddr" ] ; then
380 dhcp_domain_add
"" "$routername" "$lanaddr"
383 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
384 for lanaddr6
in $lanaddrs6 ; do
386 "${ulaprefix%%:/*}"*)
387 dhcp_domain_add
"" "$routername" "$lanaddr6"
397 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
402 [ -n "$tag" ] ||
return 0
404 config_get_bool force
"$cfg" force
0
405 [ "$force" = "0" ] && force
=
407 config_get option
"$cfg" dhcp_option
409 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
416 config_get networkid
"$cfg" networkid
417 [ -n "$networkid" ] ||
return 0
419 config_get mac
"$cfg" mac
420 [ -n "$mac" ] ||
return 0
422 xappend
"--dhcp-mac=$networkid,$mac"
424 dhcp_option_add
"$cfg" "$networkid"
428 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
431 config_get networkid
"$cfg" networkid
433 config_get filename
"$cfg" filename
434 [ -n "$filename" ] ||
return 0
436 config_get servername
"$cfg" servername
437 config_get serveraddress
"$cfg" serveraddress
439 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
441 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
443 config_get_bool force
"$cfg" force
0
445 dhcp_option_add
"$cfg" "$networkid" "$force"
451 local dhcp6range
="::"
455 config_get net
"$cfg" interface
456 [ -n "$net" ] ||
return 0
458 config_get networkid
"$cfg" networkid
459 [ -n "$networkid" ] || networkid
="$net"
461 network_get_device ifname
"$net" ||
return 0
463 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
464 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
467 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
468 # Many ISP do not have useful names for DHCP customers (your WAN).
469 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
473 network_get_subnet subnet
"$net" ||
return 0
474 network_get_protocol proto
"$net" ||
return 0
476 # Do not support non-static interfaces for now
477 [ static
= "$proto" ] ||
return 0
479 # Override interface netmask with dhcp config if applicable
480 config_get netmask
"$cfg" netmask
"${subnet##*/}"
482 #check for an already active dhcp server on the interface, unless 'force' is set
483 config_get_bool force
"$cfg" force
0
484 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
486 config_get start
"$cfg" start
100
487 config_get limit
"$cfg" limit
150
488 config_get leasetime
"$cfg" leasetime
12h
489 config_get options
"$cfg" options
490 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
492 config_get dhcpv4
"$cfg" dhcpv4
493 config_get dhcpv6
"$cfg" dhcpv6
495 config_get ra
"$cfg" ra
496 config_get ra_management
"$cfg" ra_management
497 config_get ra_preference
"$cfg" ra_preference
498 config_get dns
"$cfg" dns
500 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
502 # Put the router host name on this DHCP served interface address(es)
503 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
505 start
="$( dhcp_calc "$start" )"
508 tags
="${tags}tag:$1,"
510 config_list_foreach
"$cfg" tag add_tag
512 nettag
="${networkid:+set:${networkid},}"
514 if [ "$limit" -gt 0 ] ; then
518 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
520 if [ "$dynamicdhcp" = "0" ] ; then
522 dhcp6range
="::,static"
524 dhcp6range
="::1000,::ffff"
528 if [ "$dhcpv4" != "disabled" ] ; then
529 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
533 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
534 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
535 # and let some other machine(s) send RA pointing to it.
537 case $ra_preference in
539 xappend
"--ra-param=$ifname,high,0,7200"
542 xappend
"--ra-param=$ifname,low,0,7200"
545 # Send UNSOLICITED RA at default interval and live for 2 hours.
546 # TODO: convert flexible lease time into route life time (only seconds).
547 xappend
"--ra-param=$ifname,0,7200"
551 if [ "$dhcpv6" = "disabled" ] ; then
556 case $ra_management in
558 # SLACC with DCHP for extended options
559 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
562 # DHCP address and RA only for management redirection
563 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
566 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
567 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
570 # SLAAC and full DHCP
571 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
575 if [ -n "$dns" ]; then
577 for d
in $dns; do append dnss
"[$d]" ","; done
582 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
585 dhcp_option_add
"$cfg" "$networkid" 0
586 dhcp_option_add
"$cfg" "$networkid" 2
589 dhcp_option_append
() {
594 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
598 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
602 local opt
="dhcp_option"
604 [ "$force" = "0" ] && force
=
605 [ "$force" = "2" ] && opt
="dhcp_option_force"
608 config_get list_len
"$cfg" "${opt}_LENGTH"
610 if [ -n "$list_len" ]; then
611 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
613 config_get dhcp_option
"$cfg" "$opt"
615 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
618 for option
in $dhcp_option; do
619 dhcp_option_append
"$option" "$networkid" "$force"
626 local ip name names record
628 config_get names
"$cfg" name
"$2"
629 [ -n "$names" ] ||
return 0
631 config_get ip
"$cfg" ip
"$3"
632 [ -n "$ip" ] ||
return 0
634 for name
in $names; do
635 record
="${record:+$record }$name"
638 echo "$ip $record" >> $HOSTFILE
644 config_get srv
"$cfg" srv
645 [ -n "$srv" ] ||
return 0
647 config_get target
"$cfg" target
648 [ -n "$target" ] ||
return 0
650 config_get port
"$cfg" port
651 [ -n "$port" ] ||
return 0
653 config_get class
"$cfg" class
654 config_get weight
"$cfg" weight
656 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
658 xappend
"--srv-host=$service"
663 local domain relay pref
665 config_get domain
"$cfg" domain
666 [ -n "$domain" ] ||
return 0
668 config_get relay
"$cfg" relay
669 [ -n "$relay" ] ||
return 0
671 config_get pref
"$cfg" pref
0
673 local service
="$domain,$relay,$pref"
675 xappend
"--mx-host=$service"
682 config_get cname
"$cfg" cname
683 [ -n "$cname" ] ||
return 0
685 config_get target
"$cfg" target
686 [ -n "$target" ] ||
return 0
688 xappend
"--cname=${cname},${target}"
691 dhcp_hostrecord_add
() {
693 local names addresses record val
695 config_get names
"$cfg" name
"$2"
696 if [ -z "$names" ]; then
700 config_get addresses
"$cfg" ip
"$3"
701 if [ -z "$addresses" ]; then
705 for val
in $names $addresses; do
706 record
="${record:+$record,}$val"
709 xappend
"--host-record=$record"
714 local local_addr server_addr interface
716 config_get local_addr
"$cfg" local_addr
717 [ -n "$local_addr" ] ||
return 0
719 config_get server_addr
"$cfg" server_addr
720 [ -n "$server_addr" ] ||
return 0
722 config_get interface
"$cfg" interface
723 if [ -z "$interface" ]; then
724 xappend
"--dhcp-relay=$local_addr,$server_addr"
726 network_get_device ifname
"$interface" ||
return
727 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
733 local cfg
="$1" disabled resolvfile user_dhcpscript
735 config_get_bool disabled
"$cfg" disabled
0
736 [ "$disabled" -gt 0 ] && return 0
738 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
741 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
742 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
743 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
744 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
746 # before we can call xappend
747 mkdir
-p /var
/run
/dnsmasq
/
748 mkdir
-p $
(dirname $CONFIGFILE)
749 mkdir
-p $
(dirname $HOSTFILE)
750 mkdir
-p /var
/lib
/misc
751 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
753 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
754 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
756 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
757 if [ ! -r "$dnsmasqconffile" ]; then
758 dnsmasqconffile
=/etc
/dnsmasq.conf
761 # if we did this last, we could override auto-generated config
762 [ -f "${dnsmasqconffile}" ] && {
763 xappend
"--conf-file=${dnsmasqconffile}"
766 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
769 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
770 local odhcpd_is_main odhcpd_is_enabled
771 config_get odhcpd_is_main odhcpd maindhcp
0
772 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
775 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
776 # DHCP V4 and V6 in DNSMASQ
778 elif [ "$odhcpd_is_main" -gt 0 ] ; then
779 # ODHCPD is doing it all
782 # You have ODHCPD but use DNSMASQ for DHCPV4
786 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
787 # DHCP V4 and V6 in DNSMASQ
793 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
794 if [ -x /usr
/sbin
/dhcpd
] ; then
795 if [ -x /etc
/init.d
/dhcpd
] ; then
796 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
798 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
799 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
803 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
804 append_bool
"$cfg" nodaemon
"--no-daemon"
805 append_bool
"$cfg" domainneeded
"--domain-needed"
806 append_bool
"$cfg" filterwin2k
"--filterwin2k"
807 append_bool
"$cfg" nohosts
"--no-hosts"
808 append_bool
"$cfg" nonegcache
"--no-negcache"
809 append_bool
"$cfg" strictorder
"--strict-order"
810 append_bool
"$cfg" logqueries
"--log-queries=extra"
811 append_bool
"$cfg" noresolv
"--no-resolv"
812 append_bool
"$cfg" localise_queries
"--localise-queries"
813 append_bool
"$cfg" readethers
"--read-ethers"
814 append_bool
"$cfg" dbus
"--enable-dbus"
815 append_bool
"$cfg" expandhosts
"--expand-hosts"
816 config_get tftp_root
"$cfg" "tftp_root"
817 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
818 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
819 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
820 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
821 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
822 append_bool
"$cfg" localservice
"--local-service"
823 append_bool
"$cfg" logdhcp
"--log-dhcp"
824 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
825 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
826 append_bool
"$cfg" allservers
"--all-servers"
827 append_bool
"$cfg" noping
"--no-ping"
829 append_parm
"$cfg" logfacility
"--log-facility"
831 append_parm
"$cfg" cachesize
"--cache-size"
832 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
833 append_parm
"$cfg" port
"--port"
834 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
835 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
836 append_parm
"$cfg" "queryport" "--query-port"
837 append_parm
"$cfg" "minport" "--min-port"
838 append_parm
"$cfg" "maxport" "--max-port"
839 append_parm
"$cfg" "domain" "--domain"
840 append_parm
"$cfg" "local" "--server"
841 config_list_foreach
"$cfg" "listen_address" append_listenaddress
842 config_list_foreach
"$cfg" "server" append_server
843 config_list_foreach
"$cfg" "rev_server" append_rev_server
844 config_list_foreach
"$cfg" "address" append_address
845 config_list_foreach
"$cfg" "ipset" append_ipset
846 config_list_foreach
"$cfg" "interface" append_interface
847 config_list_foreach
"$cfg" "notinterface" append_notinterface
848 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
849 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
850 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
851 append_parm
"$cfg" "serversfile" "--servers-file"
852 append_parm
"$cfg" "tftp_root" "--tftp-root"
853 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
854 append_parm
"$cfg" "local_ttl" "--local-ttl"
855 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
856 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
857 config_get DOMAIN
"$cfg" domain
859 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
860 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
861 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
862 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
864 if [ -z "$ADD_LOCAL_FQDN" ] ; then
865 # maintain support for previous UCI
866 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
869 config_get_bool readethers
"$cfg" readethers
870 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
872 config_get user_dhcpscript
$cfg dhcpscript
873 if has_handler ||
[ -n "$user_dhcpscript" ]; then
874 xappend
"--dhcp-script=$DHCPSCRIPT"
877 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
878 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
879 config_get_bool cachelocal
"$cfg" cachelocal
1
881 config_get_bool noresolv
"$cfg" noresolv
0
882 if [ "$noresolv" != "1" ]; then
883 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
884 # So jail doesn't complain if file missing
885 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
888 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
890 config_get hostsfile
"$cfg" dhcphostsfile
891 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
894 config_get_bool rebind
"$cfg" rebind_protection
1
895 [ $rebind -gt 0 ] && {
897 "DNS rebinding protection is active," \
898 "will discard upstream RFC1918 responses!"
899 xappend
"--stop-dns-rebind"
901 local rebind_localhost
902 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
903 [ $rebind_localhost -gt 0 ] && {
904 log_once
"Allowing 127.0.0.0/8 responses"
905 xappend
"--rebind-localhost-ok"
908 append_rebind_domain
() {
909 log_once
"Allowing RFC1918 responses for domain $1"
910 xappend
"--rebind-domain-ok=$1"
913 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
916 config_get_bool dnssec
"$cfg" dnssec
0
917 [ "$dnssec" -gt 0 ] && {
918 xappend
"--conf-file=$TRUSTANCHORSFILE"
920 [ -x /etc
/init.d
/sysntpd
] && {
921 /etc
/init.d
/sysntpd enabled
922 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
923 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
926 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
929 config_get addmac
"$cfg" addmac
0
930 [ "$addmac" != "0" ] && {
931 [ "$addmac" = "1" ] && addmac
=
932 xappend
"--add-mac${addmac:+="$addmac"}"
935 dhcp_option_add
"$cfg" "" 0
936 dhcp_option_add
"$cfg" "" 2
938 xappend
"--dhcp-broadcast=tag:needs-broadcast"
940 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
942 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
943 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
944 xappend
"--conf-dir=$dnsmasqconfdir"
945 xappend
"--user=dnsmasq"
946 xappend
"--group=dnsmasq"
947 echo >> $CONFIGFILE_TMP
949 config_get_bool enable_tftp
"$cfg" enable_tftp
0
950 [ "$enable_tftp" -gt 0 ] && {
951 config_get tftp_root
"$cfg" tftp_root
952 append EXTRA_MOUNT
$tftp_root
955 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
956 echo >> $CONFIGFILE_TMP
957 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
958 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
959 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
960 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
961 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
962 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
963 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
964 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
965 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
966 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
967 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
968 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
970 echo >> $CONFIGFILE_TMP
971 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
972 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
973 echo >> $CONFIGFILE_TMP
975 config_get_bool boguspriv
"$cfg" boguspriv
1
976 [ "$boguspriv" -gt 0 ] && {
977 xappend
"--bogus-priv"
978 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
981 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
982 # Enable RA feature for when/if it is constructed,
983 # and RA is selected per interface pool (RA, DHCP, or both),
984 # but no one (should) want RA broadcast in syslog
985 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
986 xappend
"--enable-ra"
988 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
990 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
991 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
995 echo >> $CONFIGFILE_TMP
996 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
997 echo >> $CONFIGFILE_TMP
999 echo >> $CONFIGFILE_TMP
1000 mv -f $CONFIGFILE_TMP $CONFIGFILE
1002 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1003 rm -f /tmp
/resolv.conf
1004 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1005 echo "search $DOMAIN" >> /tmp
/resolv.conf
1007 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1008 for DNS_SERVER
in $DNS_SERVERS ; do
1009 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1013 procd_open_instance
$cfg
1014 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1015 procd_set_param
file $CONFIGFILE
1016 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1017 procd_set_param respawn
1019 procd_add_jail dnsmasq ubus log
1020 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE /etc
/passwd
/etc
/group
/etc
/TZ
/dev
/null
/dev
/urandom
$dnsmasqconffile $dnsmasqconfdir $resolvfile $user_dhcpscript /etc
/hosts
/etc
/ethers
/sbin
/hotplug-call
$EXTRA_MOUNT $DHCPSCRIPT
1021 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1023 procd_close_instance
1030 config_get resolvfile
"$cfg" "resolvfile"
1032 #relink /tmp/resolve.conf only for main instance
1033 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1034 [ -f /tmp
/resolv.conf
] && {
1035 rm -f /tmp
/resolv.conf
1036 ln -s "$resolvfile" /tmp
/resolv.conf
1040 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1045 procd_add_reload_trigger
"dhcp"
1046 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1057 local instance_found
=0
1059 [ -n "$BOOT" ] && return
1061 .
/lib
/functions
/network.sh
1066 if [ "$type" = "dnsmasq" ]; then
1067 if [ -n "$instance" -a "$instance" = "$name" ]; then
1075 if [ -n "$instance" ]; then
1076 [ "$instance_found" -gt 0 ] ||
return
1077 dnsmasq_start
"$instance"
1079 config_foreach dnsmasq_start dnsmasq
1084 rc_procd start_service
"$@"
1090 local instance_found
=0
1095 if [ "$type" = "dnsmasq" ]; then
1096 if [ -n "$instance" -a "$instance" = "$name" ]; then
1104 if [ -n "$instance" ]; then
1105 [ "$instance_found" -gt 0 ] ||
return
1106 dnsmasq_stop
"$instance"
1108 config_foreach dnsmasq_stop dnsmasq