1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2007-2012 OpenWrt.org
15 BASECONFIGFILE
="/var/etc/dnsmasq.conf"
16 BASEHOSTFILE
="/tmp/hosts/dhcp"
17 TRUSTANCHORSFILE
="/usr/share/dnsmasq/trust-anchors.conf"
18 TIMEVALIDFILE
="/var/state/dnsmasqsec"
19 BASEDHCPSTAMPFILE
="/var/run/dnsmasq"
20 DHCPBOGUSHOSTNAMEFILE
="/usr/share/dnsmasq/dhcpbogushostname.conf"
21 RFC6761FILE
="/usr/share/dnsmasq/rfc6761.conf"
22 DHCPSCRIPT
="/usr/lib/dnsmasq/dhcp-script.sh"
23 DHCPSCRIPT_DEPENDS
="/usr/share/libubox/jshn.sh /usr/bin/jshn /bin/ubus"
27 dnsmasq_ignore_opt
() {
30 if [ -z "$dnsmasq_features" ]; then
31 dnsmasq_features
="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
32 [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp
=1
33 [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6
=1
34 [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec
=1
35 [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp
=1
36 [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset
=1
42 [ -z "$dnsmasq_has_dhcp6" ] ;;
46 [ -z "$dnsmasq_has_dhcp" ] ;;
49 if [ -z "$dnsmasq_has_dnssec" ]; then
50 echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
56 [ -z "$dnsmasq_has_tftp" ] ;;
58 [ -z "$dnsmasq_has_ipset" ] ;;
66 local opt
="${value%%=*}"
68 if ! dnsmasq_ignore_opt
"$opt"; then
69 echo "$value" >>$CONFIGFILE_TMP
75 local hex
="${2#0x}" # strip optional "0x" prefix
77 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
78 # is invalid hex literal
82 # convert into host id
85 $(((0x$hex >> 16) % 65536)) \
96 while [ -n "$ip" ]; do
99 res
="$(($res + $part))"
100 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
107 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
110 [ -s "$stamp" ] && return $
(cat "$stamp")
112 # If interface is down, skip it.
113 # The init script will be called again once the link is up
114 case "$(devstatus "$ifname" | jsonfilter -e @.up)" in
118 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
125 pidof dnsmasq
>/dev
/null || \
126 logger
-t dnsmasq
"$@"
132 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
133 [ -f "$file" ] && return 0
145 [ -z "$default" ] && default
="0"
146 config_get_bool _loctmp
"$section" "$option" "$default"
147 [ $_loctmp -gt 0 ] && xappend
"$value"
156 config_get _loctmp
"$section" "$option" "$default"
157 [ -z "$_loctmp" ] && return 0
158 xappend
"$switch=$_loctmp"
162 xappend
"--server=$1"
165 append_rev_server
() {
166 xappend
"--rev-server=$1"
170 xappend
"--address=$1"
178 network_get_device ifname
"$1" || ifname
="$1"
179 xappend
"--interface=$ifname"
182 append_listenaddress
() {
183 xappend
"--listen-address=$1"
186 append_notinterface
() {
187 network_get_device ifname
"$1" || ifname
="$1"
188 xappend
"--except-interface=$ifname"
194 for dirname in $EXTRA_MOUNT ; do
196 "${dirname}/"* |
"${dirname}" )
206 ismounted
"$1" || append EXTRA_MOUNT
"$1"
207 xappend
"--addn-hosts=$1"
210 append_bogusnxdomain
() {
211 xappend
"--bogus-nxdomain=$1"
214 append_pxe_service
() {
215 xappend
"--pxe-service=$1"
218 append_interface_name
() {
219 xappend
"--interface-name=$1,$2"
223 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
225 # use entry when no instance entry set, or if it matches
226 config_get found_cfg
"$cfg" "instance"
227 if [ -z "$found_cfg" ] ||
[ "$found_cfg" = "$match_cfg" ]; then
232 dhcp_subscrid_add
() {
235 config_get networkid
"$cfg" networkid
236 [ -n "$networkid" ] ||
return 0
238 config_get subscriberid
"$cfg" subscriberid
239 [ -n "$subscriberid" ] ||
return 0
241 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
243 config_get_bool force
"$cfg" force
0
245 dhcp_option_add
"$cfg" "$networkid" "$force"
248 dhcp_remoteid_add
() {
251 config_get networkid
"$cfg" networkid
252 [ -n "$networkid" ] ||
return 0
254 config_get remoteid
"$cfg" remoteid
255 [ -n "$remoteid" ] ||
return 0
257 xappend
"--dhcp-remoteid=$networkid,$remoteid"
259 config_get_bool force
"$cfg" force
0
261 dhcp_option_add
"$cfg" "$networkid" "$force"
264 dhcp_circuitid_add
() {
265 # TODO: DHCPV6 does not have circuitid; catch "option6:"
268 config_get networkid
"$cfg" networkid
269 [ -n "$networkid" ] ||
return 0
271 config_get circuitid
"$cfg" circuitid
272 [ -n "$circuitid" ] ||
return 0
274 xappend
"--dhcp-circuitid=$networkid,$circuitid"
276 config_get_bool force
"$cfg" force
0
278 dhcp_option_add
"$cfg" "$networkid" "$force"
281 dhcp_userclass_add
() {
284 config_get networkid
"$cfg" networkid
285 [ -n "$networkid" ] ||
return 0
287 config_get userclass
"$cfg" userclass
288 [ -n "$userclass" ] ||
return 0
290 xappend
"--dhcp-userclass=$networkid,$userclass"
292 config_get_bool force
"$cfg" force
0
294 dhcp_option_add
"$cfg" "$networkid" "$force"
297 dhcp_vendorclass_add
() {
298 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
301 config_get networkid
"$cfg" networkid
302 [ -n "$networkid" ] ||
return 0
304 config_get vendorclass
"$cfg" vendorclass
305 [ -n "$vendorclass" ] ||
return 0
307 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
309 config_get_bool force
"$cfg" force
0
311 dhcp_option_add
"$cfg" "$networkid" "$force"
317 config_get networkid
"$cfg" networkid
318 [ -n "$networkid" ] ||
return 0
320 config_get match
"$cfg" match
321 [ -n "$match" ] ||
return 0
323 xappend
"--dhcp-match=$networkid,$match"
325 config_get_bool force
"$cfg" force
0
327 dhcp_option_add
"$cfg" "$networkid" "$force"
332 local hosttag nametime addrs duids macs tags
334 config_get_bool force
"$cfg" force
0
336 config_get networkid
"$cfg" networkid
337 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
339 config_get_bool
enable "$cfg" enable 1
340 [ "$enable" = "0" ] && return 0
342 config_get name
"$cfg" name
343 config_get ip
"$cfg" ip
344 config_get hostid
"$cfg" hostid
346 [ -z "$ip" ] && [ -z "$name" ] && [ -z "$hostid" ] && return 0
348 config_get_bool dns
"$cfg" dns
0
349 [ "$dns" = "1" ] && [ -n "$ip" ] && [ -n "$name" ] && {
350 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
353 config_get mac
"$cfg" mac
354 config_get duid
"$cfg" duid
355 config_get tag
"$cfg" tag
357 if [ -n "$mac" ]; then
358 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
359 # many MAC are possible to track a laptop ON/OFF dock
360 for m
in $mac; do append macs
"$m" ","; done
363 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ -n "$duid" ]; then
364 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
365 # one (virtual) machine gets one DUID per RFC3315
366 duids
="id:${duid// */}"
369 if [ -z "$macs" ] && [ -z "$duids" ]; then
370 # --dhcp-host=lap,192.168.0.199,[::beef]
371 [ -n "$name" ] ||
return 0
376 if [ -n "$hostid" ]; then
377 hex_to_hostid hostid
"$hostid"
380 if [ -n "$tag" ]; then
381 for t
in $tag; do append tags
"$t" ",set:"; done
384 config_get_bool broadcast
"$cfg" broadcast
0
385 config_get leasetime
"$cfg" leasetime
387 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
389 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
390 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
392 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
393 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
394 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
396 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
400 dhcp_this_host_add
() {
404 local routerstub routername ifdashname
405 local lanaddr lanaddr6 lanaddrs6 ulaprefix
407 if [ "$mode" -gt 0 ] ; then
408 ifdashname
="${ifname//./-}"
409 routerstub
="$( md5sum /etc/os-release )"
410 routerstub
="router-${routerstub// */}"
411 routername
="$( uci_get system @system[0] hostname $routerstub )"
413 if [ "$mode" -gt 1 ] ; then
414 if [ "$mode" -gt 2 ] ; then
415 if [ "$mode" -gt 3 ] ; then
416 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
419 append_interface_name
"$routername.$DOMAIN" "$ifname"
422 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
423 append_interface_name
"$routername" "$ifname"
426 # This uses a static host file entry for only limited addresses.
427 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
428 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
429 network_get_ipaddr lanaddr
"$net"
430 network_get_ipaddrs6 lanaddrs6
"$net"
432 if [ -n "$lanaddr" ] ; then
433 dhcp_domain_add
"" "$routername" "$lanaddr"
436 if [ -n "$ulaprefix" ] && [ -n "$lanaddrs6" ] ; then
437 for lanaddr6
in $lanaddrs6 ; do
439 "${ulaprefix%%:/*}"*)
440 dhcp_domain_add
"" "$routername" "$lanaddr6"
450 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
455 [ -n "$tag" ] ||
return 0
457 config_get_bool force
"$cfg" force
0
458 [ "$force" = "0" ] && force
=
460 config_get option
"$cfg" dhcp_option
462 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
469 config_get networkid
"$cfg" networkid
470 [ -n "$networkid" ] ||
return 0
472 config_get mac
"$cfg" mac
473 [ -n "$mac" ] ||
return 0
475 xappend
"--dhcp-mac=$networkid,$mac"
477 dhcp_option_add
"$cfg" "$networkid"
481 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
484 config_get networkid
"$cfg" networkid
486 config_get filename
"$cfg" filename
487 [ -n "$filename" ] ||
return 0
489 config_get servername
"$cfg" servername
490 config_get serveraddress
"$cfg" serveraddress
492 [ -n "$serveraddress" ] && [ ! -n "$servername" ] && return 0
494 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
496 config_get_bool force
"$cfg" force
0
498 dhcp_option_add
"$cfg" "$networkid" "$force"
504 local dhcp6range
="::"
508 config_get net
"$cfg" interface
509 [ -n "$net" ] ||
return 0
511 config_get networkid
"$cfg" networkid
512 [ -n "$networkid" ] || networkid
="$net"
514 network_get_device ifname
"$net" ||
return 0
516 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
517 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
520 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
521 # Many ISP do not have useful names for DHCP customers (your WAN).
522 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
526 network_get_subnet subnet
"$net" ||
return 0
527 network_get_protocol proto
"$net" ||
return 0
529 # Do not support non-static interfaces for now
530 [ static
= "$proto" ] ||
return 0
532 # Override interface netmask with dhcp config if applicable
533 config_get netmask
"$cfg" netmask
"${subnet##*/}"
535 #check for an already active dhcp server on the interface, unless 'force' is set
536 config_get_bool force
"$cfg" force
0
537 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
{
539 "found already running DHCP-server on interface '$ifname'" \
540 "refusing to start, use 'option force 1' to override"
544 config_get start
"$cfg" start
100
545 config_get limit
"$cfg" limit
150
546 config_get leasetime
"$cfg" leasetime
12h
547 config_get options
"$cfg" options
548 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
550 config_get dhcpv4
"$cfg" dhcpv4
551 config_get dhcpv6
"$cfg" dhcpv6
553 config_get ra
"$cfg" ra
554 config_get ra_management
"$cfg" ra_management
555 config_get ra_preference
"$cfg" ra_preference
556 config_get dns
"$cfg" dns
558 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
560 # Put the router host name on this DHCP served interface address(es)
561 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
563 start
="$( dhcp_calc "$start" )"
566 tags
="${tags}tag:$1,"
568 config_list_foreach
"$cfg" tag add_tag
570 nettag
="${networkid:+set:${networkid},}"
572 if [ "$limit" -gt 0 ] ; then
576 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
578 if [ "$dynamicdhcp" = "0" ] ; then
580 dhcp6range
="::,static"
582 dhcp6range
="::1000,::ffff"
586 if [ "$dhcpv4" != "disabled" ] ; then
587 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
591 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ "$ra" = "server" ] ; then
592 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
593 # and let some other machine(s) send RA pointing to it.
595 case $ra_preference in
597 xappend
"--ra-param=$ifname,high,0,7200"
600 xappend
"--ra-param=$ifname,low,0,7200"
603 # Send UNSOLICITED RA at default interval and live for 2 hours.
604 # TODO: convert flexible lease time into route life time (only seconds).
605 xappend
"--ra-param=$ifname,0,7200"
609 if [ "$dhcpv6" = "disabled" ] ; then
614 case $ra_management in
616 # SLACC with DCHP for extended options
617 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
620 # DHCP address and RA only for management redirection
621 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
624 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
625 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
628 # SLAAC and full DHCP
629 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
633 if [ -n "$dns" ]; then
635 for d
in $dns; do append dnss
"[$d]" ","; done
640 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
643 dhcp_option_add
"$cfg" "$networkid" 0
644 dhcp_option_add
"$cfg" "$networkid" 2
647 dhcp_option_append
() {
652 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
656 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
660 local opt
="dhcp_option"
662 [ "$force" = "0" ] && force
=
663 [ "$force" = "2" ] && opt
="dhcp_option_force"
666 config_get list_len
"$cfg" "${opt}_LENGTH"
668 if [ -n "$list_len" ]; then
669 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
671 config_get dhcp_option
"$cfg" "$opt"
673 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
676 for option
in $dhcp_option; do
677 dhcp_option_append
"$option" "$networkid" "$force"
684 local ip name names record
686 config_get names
"$cfg" name
"$2"
687 [ -n "$names" ] ||
return 0
689 config_get ip
"$cfg" ip
"$3"
690 [ -n "$ip" ] ||
return 0
692 for name
in $names; do
693 record
="${record:+$record }$name"
696 echo "$ip $record" >> $HOSTFILE_TMP
702 config_get srv
"$cfg" srv
703 [ -n "$srv" ] ||
return 0
705 config_get target
"$cfg" target
706 [ -n "$target" ] ||
return 0
708 config_get port
"$cfg" port
709 [ -n "$port" ] ||
return 0
711 config_get class
"$cfg" class
712 config_get weight
"$cfg" weight
714 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
716 xappend
"--srv-host=$service"
721 local domain relay pref
723 config_get domain
"$cfg" domain
724 [ -n "$domain" ] ||
return 0
726 config_get relay
"$cfg" relay
727 [ -n "$relay" ] ||
return 0
729 config_get pref
"$cfg" pref
0
731 local service
="$domain,$relay,$pref"
733 xappend
"--mx-host=$service"
740 config_get cname
"$cfg" cname
741 [ -n "$cname" ] ||
return 0
743 config_get target
"$cfg" target
744 [ -n "$target" ] ||
return 0
746 xappend
"--cname=${cname},${target}"
749 dhcp_hostrecord_add
() {
751 local names addresses record val
753 config_get names
"$cfg" name
"$2"
754 if [ -z "$names" ]; then
758 config_get addresses
"$cfg" ip
"$3"
759 if [ -z "$addresses" ]; then
763 for val
in $names $addresses; do
764 record
="${record:+$record,}$val"
767 xappend
"--host-record=$record"
772 local local_addr server_addr interface
774 config_get local_addr
"$cfg" local_addr
775 [ -n "$local_addr" ] ||
return 0
777 config_get server_addr
"$cfg" server_addr
778 [ -n "$server_addr" ] ||
return 0
780 config_get interface
"$cfg" interface
781 if [ -z "$interface" ]; then
782 xappend
"--dhcp-relay=$local_addr,$server_addr"
784 network_get_device ifname
"$interface" ||
return
785 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
789 dnsmasq_ipset_add
() {
794 ipsets
="${ipsets:+$ipsets,}$1"
798 # leading '/' is expected
799 domains
="$domains/$1"
802 config_list_foreach
"$cfg" "name" add_ipset
803 config_list_foreach
"$cfg" "domain" add_domain
805 if [ -z "$ipsets" ] ||
[ -z "$domains" ]; then
809 xappend
"--ipset=$domains/$ipsets"
815 local disabled user_dhcpscript
816 local resolvfile resolvdir localuse
=0
818 config_get_bool disabled
"$cfg" disabled
0
819 [ "$disabled" -gt 0 ] && return 0
821 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
824 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
825 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
826 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
827 HOSTFILE_TMP
="${HOSTFILE}.$$"
828 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
830 # before we can call xappend
831 mkdir
-p /var
/run
/dnsmasq
/
832 mkdir
-p $
(dirname $CONFIGFILE)
833 mkdir
-p $
(dirname $HOSTFILE)
834 mkdir
-p /var
/lib
/misc
835 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
837 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
838 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
840 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
841 if [ ! -r "$dnsmasqconffile" ]; then
842 dnsmasqconffile
=/etc
/dnsmasq.conf
845 # if we did this last, we could override auto-generated config
846 [ -f "${dnsmasqconffile}" ] && {
847 xappend
"--conf-file=${dnsmasqconffile}"
850 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
853 if [ -x /usr
/sbin
/odhcpd
] && [ -x /etc
/init.d
/odhcpd
] ; then
854 local odhcpd_is_main odhcpd_is_enabled
855 config_get odhcpd_is_main odhcpd maindhcp
0
856 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
859 if [ "$odhcpd_is_enabled" -eq 0 ] && [ "$DHCPv6CAPABLE" -eq 1 ] ; then
860 # DHCP V4 and V6 in DNSMASQ
862 elif [ "$odhcpd_is_main" -gt 0 ] ; then
863 # ODHCPD is doing it all
866 # You have ODHCPD but use DNSMASQ for DHCPV4
870 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
871 # DHCP V4 and V6 in DNSMASQ
877 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
878 if [ -x /usr
/sbin
/dhcpd
] ; then
879 if [ -x /etc
/init.d
/dhcpd
] ; then
880 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
882 if [ -x /etc
/init.d
/dhcpd6
] && [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
883 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
887 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
888 append_bool
"$cfg" nodaemon
"--no-daemon"
889 append_bool
"$cfg" domainneeded
"--domain-needed"
890 append_bool
"$cfg" filterwin2k
"--filterwin2k"
891 append_bool
"$cfg" nohosts
"--no-hosts"
892 append_bool
"$cfg" nonegcache
"--no-negcache"
893 append_bool
"$cfg" strictorder
"--strict-order"
894 append_bool
"$cfg" logqueries
"--log-queries=extra"
895 append_bool
"$cfg" noresolv
"--no-resolv"
896 append_bool
"$cfg" localise_queries
"--localise-queries"
897 append_bool
"$cfg" readethers
"--read-ethers"
899 local instance_name
="dnsmasq.$cfg"
900 if [ "$cfg" = "$DEFAULT_INSTANCE" ]; then
901 instance_name
="dnsmasq"
903 config_get_bool dbus
"$cfg" "dbus" 0
904 [ $dbus -gt 0 ] && xappend
"--enable-dbus=uk.org.thekelleys.$instance_name"
905 config_get_bool ubus
"$cfg" "ubus" 1
906 [ $ubus -gt 0 ] && xappend
"--enable-ubus=$instance_name"
908 append_bool
"$cfg" expandhosts
"--expand-hosts"
909 config_get tftp_root
"$cfg" "tftp_root"
910 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
911 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
912 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
913 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
914 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
915 append_bool
"$cfg" localservice
"--local-service"
916 append_bool
"$cfg" logdhcp
"--log-dhcp"
917 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
918 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
919 append_bool
"$cfg" allservers
"--all-servers"
920 append_bool
"$cfg" noping
"--no-ping"
921 append_bool
"$cfg" rapidcommit
"--dhcp-rapid-commit"
922 append_bool
"$cfg" scriptarp
"--script-arp"
924 append_parm
"$cfg" logfacility
"--log-facility"
926 append_parm
"$cfg" cachesize
"--cache-size"
927 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
928 append_parm
"$cfg" port
"--port"
929 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
930 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
931 append_parm
"$cfg" "queryport" "--query-port"
932 append_parm
"$cfg" "minport" "--min-port"
933 append_parm
"$cfg" "maxport" "--max-port"
934 append_parm
"$cfg" "domain" "--domain"
935 append_parm
"$cfg" "local" "--local"
936 config_list_foreach
"$cfg" "listen_address" append_listenaddress
937 config_list_foreach
"$cfg" "server" append_server
938 config_list_foreach
"$cfg" "rev_server" append_rev_server
939 config_list_foreach
"$cfg" "address" append_address
940 config_list_foreach
"$cfg" "ipset" append_ipset
942 config_list_foreach
"$cfg" "interface" append_interface
943 config_list_foreach
"$cfg" "notinterface" append_notinterface
945 config_get_bool ignore_hosts_dir
"$cfg" ignore_hosts_dir
0
946 if [ "$ignore_hosts_dir" = "1" ]; then
947 xappend
"--addn-hosts=$HOSTFILE"
948 append EXTRA_MOUNT
"$HOSTFILE"
950 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
951 append EXTRA_MOUNT
"$(dirname $HOSTFILE)"
953 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
954 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
955 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
956 append_parm
"$cfg" "serversfile" "--servers-file"
957 append_parm
"$cfg" "tftp_root" "--tftp-root"
958 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
959 append_parm
"$cfg" "local_ttl" "--local-ttl"
960 append_parm
"$cfg" "max_ttl" "--max-ttl"
961 append_parm
"$cfg" "min_cache_ttl" "--min-cache-ttl"
962 append_parm
"$cfg" "max_cache_ttl" "--max-cache-ttl"
963 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
964 append_parm
"$cfg" "tftp_unique_root" "--tftp-unique-root"
965 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
966 config_get DOMAIN
"$cfg" domain
968 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
969 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
970 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
971 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
973 if [ -z "$ADD_LOCAL_FQDN" ] ; then
974 # maintain support for previous UCI
975 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
978 config_get user_dhcpscript
$cfg dhcpscript
979 if has_handler ||
[ -n "$user_dhcpscript" ]; then
980 xappend
"--dhcp-script=$DHCPSCRIPT"
981 xappend
"--script-arp"
984 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
985 [ -n "$leasefile" ] && [ ! -e "$leasefile" ] && touch "$leasefile"
986 config_get_bool cachelocal
"$cfg" cachelocal
1
988 config_get_bool noresolv
"$cfg" noresolv
0
989 if [ "$noresolv" != "1" ]; then
990 config_get resolvfile
"$cfg" resolvfile
/tmp
/resolv.conf.d
/resolv.conf.auto
991 [ -n "$resolvfile" ] && [ ! -e "$resolvfile" ] && touch "$resolvfile"
992 xappend
"--resolv-file=$resolvfile"
993 [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
994 resolvdir
="$(dirname "$resolvfile")"
996 config_get_bool localuse
"$cfg" localuse
"$localuse"
998 config_get hostsfile
"$cfg" dhcphostsfile
999 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
1002 config_get_bool rebind
"$cfg" rebind_protection
1
1003 [ $rebind -gt 0 ] && {
1005 "DNS rebinding protection is active," \
1006 "will discard upstream RFC1918 responses!"
1007 xappend
"--stop-dns-rebind"
1009 local rebind_localhost
1010 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
1011 [ $rebind_localhost -gt 0 ] && {
1012 log_once
"Allowing 127.0.0.0/8 responses"
1013 xappend
"--rebind-localhost-ok"
1016 append_rebind_domain
() {
1017 log_once
"Allowing RFC1918 responses for domain $1"
1018 xappend
"--rebind-domain-ok=$1"
1021 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
1024 config_get_bool dnssec
"$cfg" dnssec
0
1025 [ "$dnssec" -gt 0 ] && {
1026 xappend
"--conf-file=$TRUSTANCHORSFILE"
1028 [ -x /etc
/init.d
/sysntpd
] && {
1029 if /etc
/init.d
/sysntpd enabled ||
[ "$(uci_get system.ntp.enabled)" = "1" ] ; then
1030 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
1033 config_get_bool dnsseccheckunsigned
"$cfg" dnsseccheckunsigned
1
1034 [ "$dnsseccheckunsigned" -eq 0 ] && xappend
"--dnssec-check-unsigned=no"
1037 config_get addmac
"$cfg" addmac
0
1038 [ "$addmac" != "0" ] && {
1039 [ "$addmac" = "1" ] && addmac
=
1040 xappend
"--add-mac${addmac:+="$addmac"}"
1043 dhcp_option_add
"$cfg" "" 0
1044 dhcp_option_add
"$cfg" "" 2
1046 xappend
"--dhcp-broadcast=tag:needs-broadcast"
1049 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
1050 xappend
"--conf-dir=$dnsmasqconfdir"
1051 dnsmasqconfdir
="${dnsmasqconfdir%%,*}"
1052 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
1053 xappend
"--user=dnsmasq"
1054 xappend
"--group=dnsmasq"
1055 echo >> $CONFIGFILE_TMP
1057 config_get_bool enable_tftp
"$cfg" enable_tftp
0
1058 [ "$enable_tftp" -gt 0 ] && {
1059 config_get tftp_root
"$cfg" tftp_root
1060 append EXTRA_MOUNT
$tftp_root
1063 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
1064 echo >> $CONFIGFILE_TMP
1066 config_get_bool dhcpbogushostname
"$cfg" dhcpbogushostname
1
1067 [ "$dhcpbogushostname" -gt 0 ] && {
1068 xappend
"--dhcp-ignore-names=tag:dhcp_bogus_hostname"
1069 [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend
"--conf-file=$DHCPBOGUSHOSTNAMEFILE"
1072 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
1073 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
1074 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
1075 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
1076 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
1077 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
1078 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
1079 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
1080 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
1081 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
1082 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
1083 [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
1085 echo >> $CONFIGFILE_TMP
1086 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
1087 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
1088 echo >> $CONFIGFILE_TMP
1090 config_get_bool boguspriv
"$cfg" boguspriv
1
1091 [ "$boguspriv" -gt 0 ] && {
1092 xappend
"--bogus-priv"
1093 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
1096 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
1097 # Enable RA feature for when/if it is constructed,
1098 # and RA is selected per interface pool (RA, DHCP, or both),
1099 # but no one (should) want RA broadcast in syslog
1100 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1101 xappend
"--enable-ra"
1102 xappend
"--quiet-ra"
1103 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
1105 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
1106 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1110 echo >> $CONFIGFILE_TMP
1111 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1112 echo >> $CONFIGFILE_TMP
1114 echo >> $CONFIGFILE_TMP
1115 config_foreach filter_dnsmasq ipset dnsmasq_ipset_add
"$cfg"
1116 echo >> $CONFIGFILE_TMP
1118 echo >> $CONFIGFILE_TMP
1119 mv -f $CONFIGFILE_TMP $CONFIGFILE
1120 mv -f $HOSTFILE_TMP $HOSTFILE
1122 [ "$localuse" -gt 0 ] && {
1123 rm -f /tmp
/resolv.conf
1124 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1125 echo "search $DOMAIN" >> /tmp
/resolv.conf
1127 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1128 [ -e /proc
/sys
/net
/ipv6
] && DNS_SERVERS
="$DNS_SERVERS ::1"
1129 for DNS_SERVER
in $DNS_SERVERS ; do
1130 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1134 procd_open_instance
$cfg
1135 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1136 procd_set_param
file $CONFIGFILE
1137 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1138 procd_set_param respawn
1140 procd_add_jail dnsmasq ubus log
1141 procd_add_jail_mount
$CONFIGFILE $DHCPBOGUSHOSTNAMEFILE $DHCPSCRIPT $DHCPSCRIPT_DEPENDS
1142 procd_add_jail_mount
$EXTRA_MOUNT $RFC6761FILE $TRUSTANCHORSFILE
1143 procd_add_jail_mount
$dnsmasqconffile $dnsmasqconfdir $resolvdir $user_dhcpscript
1144 procd_add_jail_mount
/etc
/passwd
/etc
/group
/etc
/TZ
/etc
/hosts
/etc
/ethers
1145 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1147 procd_close_instance
1153 local noresolv resolvfile localuse
=0
1155 config_get_bool noresolv
"$cfg" noresolv
0
1156 config_get resolvfile
"$cfg" "resolvfile"
1158 [ "$noresolv" = 0 ] && [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
1159 config_get_bool localuse
"$cfg" localuse
"$localuse"
1160 [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.d/resolv.conf.auto" /tmp
/resolv.conf
1162 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1165 add_interface_trigger
()
1167 local interface ignore
1169 config_get interface
"$1" interface
1170 config_get_bool ignore
"$1" ignore
0
1172 [ -n "$interface" ] && [ $ignore -eq 0 ] && procd_add_interface_trigger
"interface.*" "$interface" /etc
/init.d
/dnsmasq reload
1177 procd_add_reload_trigger
"dhcp" "system"
1180 config_foreach add_interface_trigger dhcp
1181 config_foreach add_interface_trigger relay
1192 local instance_found
=0
1193 local first_instance
=""
1195 .
/lib
/functions
/network.sh
1200 if [ "$type" = "dnsmasq" ]; then
1201 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1204 if [ -z "$DEFAULT_INSTANCE" ]; then
1206 config_get_bool disabled
"$name" disabled
0
1207 if [ "$disabled" -eq 0 ]; then
1208 # First enabled section will be assigned default instance name.
1209 # Unnamed sections get precedence over named sections.
1210 if expr "$cfg" : 'cfg[0-9a-f]*$' >/dev
/null
= "9"; then # See uci_fixup_section.
1211 DEFAULT_INSTANCE
="$name" # Unnamed config section.
1212 elif [ -z "$first_instance" ]; then
1213 first_instance
="$name"
1222 if [ -z "$DEFAULT_INSTANCE" ]; then
1223 DEFAULT_INSTANCE
="$first_instance" # No unnamed config section was found.
1226 if [ -n "$instance" ]; then
1227 [ "$instance_found" -gt 0 ] ||
return
1228 dnsmasq_start
"$instance"
1230 config_foreach dnsmasq_start dnsmasq
1235 rc_procd start_service
"$@"
1236 procd_send_signal dnsmasq
"$@"
1241 local instance_found
=0
1246 if [ "$type" = "dnsmasq" ]; then
1247 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1255 if [ -n "$instance" ]; then
1256 [ "$instance_found" -gt 0 ] ||
return
1257 dnsmasq_stop
"$instance"
1259 config_foreach dnsmasq_stop dnsmasq