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 DHCPBOGUSHOSTNAMEFILE
="/usr/share/dnsmasq/dhcpbogushostname.conf"
20 RFC6761FILE
="/usr/share/dnsmasq/rfc6761.conf"
21 DHCPSCRIPT
="/usr/lib/dnsmasq/dhcp-script.sh"
25 dnsmasq_ignore_opt
() {
28 if [ -z "$dnsmasq_features" ]; then
29 dnsmasq_features
="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
30 [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp
=1
31 [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6
=1
32 [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec
=1
33 [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp
=1
34 [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset
=1
40 [ -z "$dnsmasq_has_dhcp6" ] ;;
44 [ -z "$dnsmasq_has_dhcp" ] ;;
47 if [ -z "$dnsmasq_has_dnssec" ]; then
48 echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
54 [ -z "$dnsmasq_has_tftp" ] ;;
56 [ -z "$dnsmasq_has_ipset" ] ;;
64 local opt
="${value%%=*}"
66 if ! dnsmasq_ignore_opt
"$opt"; then
67 echo "$value" >>$CONFIGFILE_TMP
73 local hex
="${2#0x}" # strip optional "0x" prefix
75 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
76 # is invalid hex literal
80 # convert into host id
83 $(((0x$hex >> 16) % 65536)) \
94 while [ -n "$ip" ]; do
97 res
="$(($res + $part))"
98 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
105 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
108 [ -s "$stamp" ] && return $
(cat "$stamp")
110 # If interface is down, skip it.
111 # The init script will be called again once the link is up
112 case "$(devstatus "$ifname" | jsonfilter -e @.up)" in
116 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
123 pidof dnsmasq
>/dev
/null || \
124 logger
-t dnsmasq
"$@"
130 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
131 [ -f "$file" ] && return 0
143 [ -z "$default" ] && default
="0"
144 config_get_bool _loctmp
"$section" "$option" "$default"
145 [ $_loctmp -gt 0 ] && xappend
"$value"
154 config_get _loctmp
"$section" "$option" "$default"
155 [ -z "$_loctmp" ] && return 0
156 xappend
"$switch=$_loctmp"
160 xappend
"--server=$1"
163 append_rev_server
() {
164 xappend
"--rev-server=$1"
168 xappend
"--address=$1"
176 network_get_device ifname
"$1" || ifname
="$1"
177 xappend
"--interface=$ifname"
180 append_listenaddress
() {
181 xappend
"--listen-address=$1"
184 append_notinterface
() {
185 network_get_device ifname
"$1" || ifname
="$1"
186 xappend
"--except-interface=$ifname"
190 xappend
"--addn-hosts=$1"
193 append_bogusnxdomain
() {
194 xappend
"--bogus-nxdomain=$1"
197 append_pxe_service
() {
198 xappend
"--pxe-service=$1"
201 append_interface_name
() {
202 xappend
"--interface-name=$1,$2"
206 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
208 # use entry when no instance entry set, or if it matches
209 config_get found_cfg
"$cfg" "instance"
210 if [ -z "$found_cfg" ] ||
[ "$found_cfg" = "$match_cfg" ]; then
215 dhcp_subscrid_add
() {
218 config_get networkid
"$cfg" networkid
219 [ -n "$networkid" ] ||
return 0
221 config_get subscriberid
"$cfg" subscriberid
222 [ -n "$subscriberid" ] ||
return 0
224 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
226 config_get_bool force
"$cfg" force
0
228 dhcp_option_add
"$cfg" "$networkid" "$force"
231 dhcp_remoteid_add
() {
234 config_get networkid
"$cfg" networkid
235 [ -n "$networkid" ] ||
return 0
237 config_get remoteid
"$cfg" remoteid
238 [ -n "$remoteid" ] ||
return 0
240 xappend
"--dhcp-remoteid=$networkid,$remoteid"
242 config_get_bool force
"$cfg" force
0
244 dhcp_option_add
"$cfg" "$networkid" "$force"
247 dhcp_circuitid_add
() {
248 # TODO: DHCPV6 does not have circuitid; catch "option6:"
251 config_get networkid
"$cfg" networkid
252 [ -n "$networkid" ] ||
return 0
254 config_get circuitid
"$cfg" circuitid
255 [ -n "$circuitid" ] ||
return 0
257 xappend
"--dhcp-circuitid=$networkid,$circuitid"
259 config_get_bool force
"$cfg" force
0
261 dhcp_option_add
"$cfg" "$networkid" "$force"
264 dhcp_userclass_add
() {
267 config_get networkid
"$cfg" networkid
268 [ -n "$networkid" ] ||
return 0
270 config_get userclass
"$cfg" userclass
271 [ -n "$userclass" ] ||
return 0
273 xappend
"--dhcp-userclass=$networkid,$userclass"
275 config_get_bool force
"$cfg" force
0
277 dhcp_option_add
"$cfg" "$networkid" "$force"
280 dhcp_vendorclass_add
() {
281 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
284 config_get networkid
"$cfg" networkid
285 [ -n "$networkid" ] ||
return 0
287 config_get vendorclass
"$cfg" vendorclass
288 [ -n "$vendorclass" ] ||
return 0
290 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
292 config_get_bool force
"$cfg" force
0
294 dhcp_option_add
"$cfg" "$networkid" "$force"
300 config_get networkid
"$cfg" networkid
301 [ -n "$networkid" ] ||
return 0
303 config_get match
"$cfg" match
304 [ -n "$match" ] ||
return 0
306 xappend
"--dhcp-match=$networkid,$match"
308 config_get_bool force
"$cfg" force
0
310 dhcp_option_add
"$cfg" "$networkid" "$force"
315 local hosttag nametime addrs duids macs tags
317 config_get_bool force
"$cfg" force
0
319 config_get networkid
"$cfg" networkid
320 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
322 config_get_bool
enable "$cfg" enable 1
323 [ "$enable" = "0" ] && return 0
325 config_get name
"$cfg" name
326 config_get ip
"$cfg" ip
327 config_get hostid
"$cfg" hostid
329 [ -z "$ip" ] && [ -z "$name" ] && [ -z "$hostid" ] && return 0
331 config_get_bool dns
"$cfg" dns
0
332 [ "$dns" = "1" ] && [ -n "$ip" ] && [ -n "$name" ] && {
333 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
336 config_get mac
"$cfg" mac
337 config_get duid
"$cfg" duid
338 config_get tag
"$cfg" tag
340 if [ -n "$mac" ]; then
341 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
342 # many MAC are possible to track a laptop ON/OFF dock
343 for m
in $mac; do append macs
"$m" ","; done
346 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ -n "$duid" ]; then
347 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
348 # one (virtual) machine gets one DUID per RFC3315
349 duids
="id:${duid// */}"
352 if [ -z "$macs" ] && [ -z "$duids" ]; then
353 # --dhcp-host=lap,192.168.0.199,[::beef]
354 [ -n "$name" ] ||
return 0
359 if [ -n "$hostid" ]; then
360 hex_to_hostid hostid
"$hostid"
363 if [ -n "$tag" ]; then
364 for t
in $tag; do append tags
"$t" ",set:"; done
367 config_get_bool broadcast
"$cfg" broadcast
0
368 config_get leasetime
"$cfg" leasetime
370 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
372 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
373 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
375 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
376 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
377 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
379 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
383 dhcp_this_host_add
() {
387 local routerstub routername ifdashname
388 local lanaddr lanaddr6 lanaddrs6 ulaprefix
390 if [ "$mode" -gt 0 ] ; then
391 ifdashname
="${ifname//./-}"
392 routerstub
="$( md5sum /etc/os-release )"
393 routerstub
="router-${routerstub// */}"
394 routername
="$( uci_get system @system[0] hostname $routerstub )"
396 if [ "$mode" -gt 1 ] ; then
397 if [ "$mode" -gt 2 ] ; then
398 if [ "$mode" -gt 3 ] ; then
399 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
402 append_interface_name
"$routername.$DOMAIN" "$ifname"
405 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
406 append_interface_name
"$routername" "$ifname"
409 # This uses a static host file entry for only limited addresses.
410 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
411 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
412 network_get_ipaddr lanaddr
"$net"
413 network_get_ipaddrs6 lanaddrs6
"$net"
415 if [ -n "$lanaddr" ] ; then
416 dhcp_domain_add
"" "$routername" "$lanaddr"
419 if [ -n "$ulaprefix" ] && [ -n "$lanaddrs6" ] ; then
420 for lanaddr6
in $lanaddrs6 ; do
422 "${ulaprefix%%:/*}"*)
423 dhcp_domain_add
"" "$routername" "$lanaddr6"
433 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
438 [ -n "$tag" ] ||
return 0
440 config_get_bool force
"$cfg" force
0
441 [ "$force" = "0" ] && force
=
443 config_get option
"$cfg" dhcp_option
445 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
452 config_get networkid
"$cfg" networkid
453 [ -n "$networkid" ] ||
return 0
455 config_get mac
"$cfg" mac
456 [ -n "$mac" ] ||
return 0
458 xappend
"--dhcp-mac=$networkid,$mac"
460 dhcp_option_add
"$cfg" "$networkid"
464 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
467 config_get networkid
"$cfg" networkid
469 config_get filename
"$cfg" filename
470 [ -n "$filename" ] ||
return 0
472 config_get servername
"$cfg" servername
473 config_get serveraddress
"$cfg" serveraddress
475 [ -n "$serveraddress" ] && [ ! -n "$servername" ] && return 0
477 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
479 config_get_bool force
"$cfg" force
0
481 dhcp_option_add
"$cfg" "$networkid" "$force"
487 local dhcp6range
="::"
491 config_get net
"$cfg" interface
492 [ -n "$net" ] ||
return 0
494 config_get networkid
"$cfg" networkid
495 [ -n "$networkid" ] || networkid
="$net"
497 network_get_device ifname
"$net" ||
return 0
499 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
500 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
503 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
504 # Many ISP do not have useful names for DHCP customers (your WAN).
505 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
509 network_get_subnet subnet
"$net" ||
return 0
510 network_get_protocol proto
"$net" ||
return 0
512 # Do not support non-static interfaces for now
513 [ static
= "$proto" ] ||
return 0
515 # Override interface netmask with dhcp config if applicable
516 config_get netmask
"$cfg" netmask
"${subnet##*/}"
518 #check for an already active dhcp server on the interface, unless 'force' is set
519 config_get_bool force
"$cfg" force
0
520 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
{
522 "found already running DHCP-server on interface '$ifname'" \
523 "refusing to start, use 'option force 1' to override"
527 config_get start
"$cfg" start
100
528 config_get limit
"$cfg" limit
150
529 config_get leasetime
"$cfg" leasetime
12h
530 config_get options
"$cfg" options
531 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
533 config_get dhcpv4
"$cfg" dhcpv4
534 config_get dhcpv6
"$cfg" dhcpv6
536 config_get ra
"$cfg" ra
537 config_get ra_management
"$cfg" ra_management
538 config_get ra_preference
"$cfg" ra_preference
539 config_get dns
"$cfg" dns
541 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
543 # Put the router host name on this DHCP served interface address(es)
544 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
546 start
="$( dhcp_calc "$start" )"
549 tags
="${tags}tag:$1,"
551 config_list_foreach
"$cfg" tag add_tag
553 nettag
="${networkid:+set:${networkid},}"
555 if [ "$limit" -gt 0 ] ; then
559 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
561 if [ "$dynamicdhcp" = "0" ] ; then
563 dhcp6range
="::,static"
565 dhcp6range
="::1000,::ffff"
569 if [ "$dhcpv4" != "disabled" ] ; then
570 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
574 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ "$ra" = "server" ] ; then
575 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
576 # and let some other machine(s) send RA pointing to it.
578 case $ra_preference in
580 xappend
"--ra-param=$ifname,high,0,7200"
583 xappend
"--ra-param=$ifname,low,0,7200"
586 # Send UNSOLICITED RA at default interval and live for 2 hours.
587 # TODO: convert flexible lease time into route life time (only seconds).
588 xappend
"--ra-param=$ifname,0,7200"
592 if [ "$dhcpv6" = "disabled" ] ; then
597 case $ra_management in
599 # SLACC with DCHP for extended options
600 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
603 # DHCP address and RA only for management redirection
604 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
607 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
608 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
611 # SLAAC and full DHCP
612 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
616 if [ -n "$dns" ]; then
618 for d
in $dns; do append dnss
"[$d]" ","; done
623 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
626 dhcp_option_add
"$cfg" "$networkid" 0
627 dhcp_option_add
"$cfg" "$networkid" 2
630 dhcp_option_append
() {
635 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
639 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
643 local opt
="dhcp_option"
645 [ "$force" = "0" ] && force
=
646 [ "$force" = "2" ] && opt
="dhcp_option_force"
649 config_get list_len
"$cfg" "${opt}_LENGTH"
651 if [ -n "$list_len" ]; then
652 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
654 config_get dhcp_option
"$cfg" "$opt"
656 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
659 for option
in $dhcp_option; do
660 dhcp_option_append
"$option" "$networkid" "$force"
667 local ip name names record
669 config_get names
"$cfg" name
"$2"
670 [ -n "$names" ] ||
return 0
672 config_get ip
"$cfg" ip
"$3"
673 [ -n "$ip" ] ||
return 0
675 for name
in $names; do
676 record
="${record:+$record }$name"
679 echo "$ip $record" >> $HOSTFILE_TMP
685 config_get srv
"$cfg" srv
686 [ -n "$srv" ] ||
return 0
688 config_get target
"$cfg" target
689 [ -n "$target" ] ||
return 0
691 config_get port
"$cfg" port
692 [ -n "$port" ] ||
return 0
694 config_get class
"$cfg" class
695 config_get weight
"$cfg" weight
697 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
699 xappend
"--srv-host=$service"
704 local domain relay pref
706 config_get domain
"$cfg" domain
707 [ -n "$domain" ] ||
return 0
709 config_get relay
"$cfg" relay
710 [ -n "$relay" ] ||
return 0
712 config_get pref
"$cfg" pref
0
714 local service
="$domain,$relay,$pref"
716 xappend
"--mx-host=$service"
723 config_get cname
"$cfg" cname
724 [ -n "$cname" ] ||
return 0
726 config_get target
"$cfg" target
727 [ -n "$target" ] ||
return 0
729 xappend
"--cname=${cname},${target}"
732 dhcp_hostrecord_add
() {
734 local names addresses record val
736 config_get names
"$cfg" name
"$2"
737 if [ -z "$names" ]; then
741 config_get addresses
"$cfg" ip
"$3"
742 if [ -z "$addresses" ]; then
746 for val
in $names $addresses; do
747 record
="${record:+$record,}$val"
750 xappend
"--host-record=$record"
755 local local_addr server_addr interface
757 config_get local_addr
"$cfg" local_addr
758 [ -n "$local_addr" ] ||
return 0
760 config_get server_addr
"$cfg" server_addr
761 [ -n "$server_addr" ] ||
return 0
763 config_get interface
"$cfg" interface
764 if [ -z "$interface" ]; then
765 xappend
"--dhcp-relay=$local_addr,$server_addr"
767 network_get_device ifname
"$interface" ||
return
768 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
772 dnsmasq_ipset_add
() {
777 ipsets
="${ipsets:+$ipsets,}$1"
781 # leading '/' is expected
782 domains
="$domains/$1"
785 config_list_foreach
"$cfg" "name" add_ipset
786 config_list_foreach
"$cfg" "domain" add_domain
788 if [ -z "$ipsets" ] ||
[ -z "$domains" ]; then
792 xappend
"--ipset=$domains/$ipsets"
798 local disabled user_dhcpscript
799 local resolvfile resolvdir localuse
=0
801 config_get_bool disabled
"$cfg" disabled
0
802 [ "$disabled" -gt 0 ] && return 0
804 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
807 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
808 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
809 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
810 HOSTFILE_TMP
="${HOSTFILE}.$$"
811 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
813 # before we can call xappend
814 mkdir
-p /var
/run
/dnsmasq
/
815 mkdir
-p $
(dirname $CONFIGFILE)
816 mkdir
-p $
(dirname $HOSTFILE)
817 mkdir
-p /var
/lib
/misc
818 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
820 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
821 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
823 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
824 if [ ! -r "$dnsmasqconffile" ]; then
825 dnsmasqconffile
=/etc
/dnsmasq.conf
828 # if we did this last, we could override auto-generated config
829 [ -f "${dnsmasqconffile}" ] && {
830 xappend
"--conf-file=${dnsmasqconffile}"
833 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
836 if [ -x /usr
/sbin
/odhcpd
] && [ -x /etc
/init.d
/odhcpd
] ; then
837 local odhcpd_is_main odhcpd_is_enabled
838 config_get odhcpd_is_main odhcpd maindhcp
0
839 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
842 if [ "$odhcpd_is_enabled" -eq 0 ] && [ "$DHCPv6CAPABLE" -eq 1 ] ; then
843 # DHCP V4 and V6 in DNSMASQ
845 elif [ "$odhcpd_is_main" -gt 0 ] ; then
846 # ODHCPD is doing it all
849 # You have ODHCPD but use DNSMASQ for DHCPV4
853 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
854 # DHCP V4 and V6 in DNSMASQ
860 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
861 if [ -x /usr
/sbin
/dhcpd
] ; then
862 if [ -x /etc
/init.d
/dhcpd
] ; then
863 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
865 if [ -x /etc
/init.d
/dhcpd6
] && [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
866 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
870 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
871 append_bool
"$cfg" nodaemon
"--no-daemon"
872 append_bool
"$cfg" domainneeded
"--domain-needed"
873 append_bool
"$cfg" filterwin2k
"--filterwin2k"
874 append_bool
"$cfg" nohosts
"--no-hosts"
875 append_bool
"$cfg" nonegcache
"--no-negcache"
876 append_bool
"$cfg" strictorder
"--strict-order"
877 append_bool
"$cfg" logqueries
"--log-queries=extra"
878 append_bool
"$cfg" noresolv
"--no-resolv"
879 append_bool
"$cfg" localise_queries
"--localise-queries"
880 append_bool
"$cfg" readethers
"--read-ethers"
882 local instance_name
="dnsmasq.$cfg"
883 if [ "$cfg" = "$DEFAULT_INSTANCE" ]; then
884 instance_name
="dnsmasq"
886 config_get_bool dbus
"$cfg" "dbus" 0
887 [ $dbus -gt 0 ] && xappend
"--enable-dbus=uk.org.thekelleys.$instance_name"
888 config_get_bool ubus
"$cfg" "ubus" 1
889 [ $ubus -gt 0 ] && xappend
"--enable-ubus=$instance_name"
891 append_bool
"$cfg" expandhosts
"--expand-hosts"
892 config_get tftp_root
"$cfg" "tftp_root"
893 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
894 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
895 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
896 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
897 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
898 append_bool
"$cfg" localservice
"--local-service"
899 append_bool
"$cfg" logdhcp
"--log-dhcp"
900 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
901 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
902 append_bool
"$cfg" allservers
"--all-servers"
903 append_bool
"$cfg" noping
"--no-ping"
904 append_bool
"$cfg" rapidcommit
"--dhcp-rapid-commit"
905 append_bool
"$cfg" scriptarp
"--script-arp"
907 append_parm
"$cfg" logfacility
"--log-facility"
909 append_parm
"$cfg" cachesize
"--cache-size"
910 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
911 append_parm
"$cfg" port
"--port"
912 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
913 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
914 append_parm
"$cfg" "queryport" "--query-port"
915 append_parm
"$cfg" "minport" "--min-port"
916 append_parm
"$cfg" "maxport" "--max-port"
917 append_parm
"$cfg" "domain" "--domain"
918 append_parm
"$cfg" "local" "--local"
919 config_list_foreach
"$cfg" "listen_address" append_listenaddress
920 config_list_foreach
"$cfg" "server" append_server
921 config_list_foreach
"$cfg" "rev_server" append_rev_server
922 config_list_foreach
"$cfg" "address" append_address
923 config_list_foreach
"$cfg" "ipset" append_ipset
925 config_list_foreach
"$cfg" "interface" append_interface
926 config_list_foreach
"$cfg" "notinterface" append_notinterface
928 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
929 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
930 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
931 append_parm
"$cfg" "serversfile" "--servers-file"
932 append_parm
"$cfg" "tftp_root" "--tftp-root"
933 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
934 append_parm
"$cfg" "local_ttl" "--local-ttl"
935 append_parm
"$cfg" "max_ttl" "--max-ttl"
936 append_parm
"$cfg" "min_cache_ttl" "--min-cache-ttl"
937 append_parm
"$cfg" "max_cache_ttl" "--max-cache-ttl"
938 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
939 append_parm
"$cfg" "tftp_unique_root" "--tftp-unique-root"
940 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
941 config_get DOMAIN
"$cfg" domain
943 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
944 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
945 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
946 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
948 if [ -z "$ADD_LOCAL_FQDN" ] ; then
949 # maintain support for previous UCI
950 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
953 config_get user_dhcpscript
$cfg dhcpscript
954 if has_handler ||
[ -n "$user_dhcpscript" ]; then
955 xappend
"--dhcp-script=$DHCPSCRIPT"
956 xappend
"--script-arp"
959 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
960 [ -n "$leasefile" ] && [ ! -e "$leasefile" ] && touch "$leasefile"
961 config_get_bool cachelocal
"$cfg" cachelocal
1
963 config_get_bool noresolv
"$cfg" noresolv
0
964 if [ "$noresolv" != "1" ]; then
965 config_get resolvfile
"$cfg" resolvfile
/tmp
/resolv.conf.d
/resolv.conf.auto
966 [ -n "$resolvfile" ] && [ ! -e "$resolvfile" ] && touch "$resolvfile"
967 xappend
"--resolv-file=$resolvfile"
968 [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
969 resolvdir
="$(dirname "$resolvfile")"
971 config_get_bool localuse
"$cfg" localuse
"$localuse"
973 config_get hostsfile
"$cfg" dhcphostsfile
974 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
977 config_get_bool rebind
"$cfg" rebind_protection
1
978 [ $rebind -gt 0 ] && {
980 "DNS rebinding protection is active," \
981 "will discard upstream RFC1918 responses!"
982 xappend
"--stop-dns-rebind"
984 local rebind_localhost
985 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
986 [ $rebind_localhost -gt 0 ] && {
987 log_once
"Allowing 127.0.0.0/8 responses"
988 xappend
"--rebind-localhost-ok"
991 append_rebind_domain
() {
992 log_once
"Allowing RFC1918 responses for domain $1"
993 xappend
"--rebind-domain-ok=$1"
996 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
999 config_get_bool dnssec
"$cfg" dnssec
0
1000 [ "$dnssec" -gt 0 ] && {
1001 xappend
"--conf-file=$TRUSTANCHORSFILE"
1003 [ -x /etc
/init.d
/sysntpd
] && {
1004 if /etc
/init.d
/sysntpd enabled ||
[ "$(uci_get system.ntp.enabled)" = "1" ] ; then
1005 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
1008 config_get_bool dnsseccheckunsigned
"$cfg" dnsseccheckunsigned
1
1009 [ "$dnsseccheckunsigned" -eq 0 ] && xappend
"--dnssec-check-unsigned=no"
1012 config_get addmac
"$cfg" addmac
0
1013 [ "$addmac" != "0" ] && {
1014 [ "$addmac" = "1" ] && addmac
=
1015 xappend
"--add-mac${addmac:+="$addmac"}"
1018 dhcp_option_add
"$cfg" "" 0
1019 dhcp_option_add
"$cfg" "" 2
1021 xappend
"--dhcp-broadcast=tag:needs-broadcast"
1023 config_get_bool ignore_hosts_dir
"$cfg" ignore_hosts_dir
0
1024 if [ "$ignore_hosts_dir" = "1" ]; then
1025 xappend
"--addn-hosts=$HOSTFILE"
1027 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
1030 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
1031 xappend
"--conf-dir=$dnsmasqconfdir"
1032 dnsmasqconfdir
="${dnsmasqconfdir%%,*}"
1033 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
1034 xappend
"--user=dnsmasq"
1035 xappend
"--group=dnsmasq"
1036 echo >> $CONFIGFILE_TMP
1038 config_get_bool enable_tftp
"$cfg" enable_tftp
0
1039 [ "$enable_tftp" -gt 0 ] && {
1040 config_get tftp_root
"$cfg" tftp_root
1041 append EXTRA_MOUNT
$tftp_root
1044 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
1045 echo >> $CONFIGFILE_TMP
1047 config_get_bool dhcpbogushostname
"$cfg" dhcpbogushostname
1
1048 [ "$dhcpbogushostname" -gt 0 ] && {
1049 xappend
"--dhcp-ignore-names=tag:dhcp_bogus_hostname"
1050 [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend
"--conf-file=$DHCPBOGUSHOSTNAMEFILE"
1053 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
1054 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
1055 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
1056 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
1057 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
1058 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
1059 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
1060 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
1061 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
1062 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
1063 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
1064 [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
1066 echo >> $CONFIGFILE_TMP
1067 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
1068 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
1069 echo >> $CONFIGFILE_TMP
1071 config_get_bool boguspriv
"$cfg" boguspriv
1
1072 [ "$boguspriv" -gt 0 ] && {
1073 xappend
"--bogus-priv"
1074 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
1077 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
1078 # Enable RA feature for when/if it is constructed,
1079 # and RA is selected per interface pool (RA, DHCP, or both),
1080 # but no one (should) want RA broadcast in syslog
1081 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1082 xappend
"--enable-ra"
1083 xappend
"--quiet-ra"
1084 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
1086 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
1087 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1091 echo >> $CONFIGFILE_TMP
1092 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1093 echo >> $CONFIGFILE_TMP
1095 echo >> $CONFIGFILE_TMP
1096 config_foreach filter_dnsmasq ipset dnsmasq_ipset_add
"$cfg"
1097 echo >> $CONFIGFILE_TMP
1099 echo >> $CONFIGFILE_TMP
1100 mv -f $CONFIGFILE_TMP $CONFIGFILE
1101 mv -f $HOSTFILE_TMP $HOSTFILE
1103 [ "$localuse" -gt 0 ] && {
1104 rm -f /tmp
/resolv.conf
1105 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1106 echo "search $DOMAIN" >> /tmp
/resolv.conf
1108 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1109 [ -e /proc
/sys
/net
/ipv6
] && DNS_SERVERS
="$DNS_SERVERS ::1"
1110 for DNS_SERVER
in $DNS_SERVERS ; do
1111 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1115 procd_open_instance
$cfg
1116 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1117 procd_set_param
file $CONFIGFILE
1118 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1119 procd_set_param respawn
1121 procd_add_jail dnsmasq ubus log
1122 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE $DHCPBOGUSHOSTNAMEFILE /etc
/passwd
/etc
/group
/etc
/TZ
/dev
/null
/dev
/urandom
$dnsmasqconffile $dnsmasqconfdir $resolvdir $user_dhcpscript /etc
/hosts
/etc
/ethers
/sbin
/hotplug-call
$EXTRA_MOUNT $DHCPSCRIPT /tmp
/hosts
/
1123 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1125 procd_close_instance
1131 local noresolv resolvfile localuse
=0
1133 config_get_bool noresolv
"$cfg" noresolv
0
1134 config_get resolvfile
"$cfg" "resolvfile"
1136 [ "$noresolv" = 0 ] && [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
1137 config_get_bool localuse
"$cfg" localuse
"$localuse"
1138 [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.d/resolv.conf.auto" /tmp
/resolv.conf
1140 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1143 add_interface_trigger
()
1145 local interface ignore
1147 config_get interface
"$1" interface
1148 config_get_bool ignore
"$1" ignore
0
1150 [ -n "$interface" ] && [ $ignore -eq 0 ] && procd_add_interface_trigger
"interface.*" "$interface" /etc
/init.d
/dnsmasq reload
1155 procd_add_reload_trigger
"dhcp" "system"
1158 config_foreach add_interface_trigger dhcp
1159 config_foreach add_interface_trigger relay
1170 local instance_found
=0
1171 local first_instance
=""
1173 .
/lib
/functions
/network.sh
1178 if [ "$type" = "dnsmasq" ]; then
1179 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1182 if [ -z "$DEFAULT_INSTANCE" ]; then
1184 config_get_bool disabled
"$name" disabled
0
1185 if [ "$disabled" -eq 0 ]; then
1186 # First enabled section will be assigned default instance name.
1187 # Unnamed sections get precedence over named sections.
1188 if expr "$cfg" : 'cfg[0-9a-f]*$' >/dev
/null
= "9"; then # See uci_fixup_section.
1189 DEFAULT_INSTANCE
="$name" # Unnamed config section.
1190 elif [ -z "$first_instance" ]; then
1191 first_instance
="$name"
1200 if [ -z "$DEFAULT_INSTANCE" ]; then
1201 DEFAULT_INSTANCE
="$first_instance" # No unnamed config section was found.
1204 if [ -n "$instance" ]; then
1205 [ "$instance_found" -gt 0 ] ||
return
1206 dnsmasq_start
"$instance"
1208 config_foreach dnsmasq_start dnsmasq
1213 rc_procd start_service
"$@"
1214 procd_send_signal dnsmasq
"$@"
1219 local instance_found
=0
1224 if [ "$type" = "dnsmasq" ]; then
1225 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1233 if [ -n "$instance" ]; then
1234 [ "$instance_found" -gt 0 ] ||
return
1235 dnsmasq_stop
"$instance"
1237 config_foreach dnsmasq_stop dnsmasq