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"
22 DHCPSCRIPT_DEPENDS
="/usr/share/libubox/jshn.sh /usr/bin/jshn /bin/ubus"
26 dnsmasq_ignore_opt
() {
29 if [ -z "$dnsmasq_features" ]; then
30 dnsmasq_features
="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
31 [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp
=1
32 [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6
=1
33 [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec
=1
34 [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp
=1
35 [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset
=1
41 [ -z "$dnsmasq_has_dhcp6" ] ;;
45 [ -z "$dnsmasq_has_dhcp" ] ;;
48 if [ -z "$dnsmasq_has_dnssec" ]; then
49 echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
55 [ -z "$dnsmasq_has_tftp" ] ;;
57 [ -z "$dnsmasq_has_ipset" ] ;;
65 local opt
="${value%%=*}"
67 if ! dnsmasq_ignore_opt
"$opt"; then
68 echo "$value" >>$CONFIGFILE_TMP
74 local hex
="${2#0x}" # strip optional "0x" prefix
76 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
77 # is invalid hex literal
81 # convert into host id
84 $(((0x$hex >> 16) % 65536)) \
95 while [ -n "$ip" ]; do
98 res
="$(($res + $part))"
99 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
106 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
109 [ -s "$stamp" ] && return $
(cat "$stamp")
111 # If interface is down, skip it.
112 # The init script will be called again once the link is up
113 case "$(devstatus "$ifname" | jsonfilter -e @.up)" in
117 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
124 pidof dnsmasq
>/dev
/null || \
125 logger
-t dnsmasq
"$@"
131 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
132 [ -f "$file" ] && return 0
144 [ -z "$default" ] && default
="0"
145 config_get_bool _loctmp
"$section" "$option" "$default"
146 [ $_loctmp -gt 0 ] && xappend
"$value"
155 config_get _loctmp
"$section" "$option" "$default"
156 [ -z "$_loctmp" ] && return 0
157 xappend
"$switch=$_loctmp"
161 xappend
"--server=$1"
164 append_rev_server
() {
165 xappend
"--rev-server=$1"
169 xappend
"--address=$1"
172 append_connmark_allowlist
() {
173 xappend
"--connmark-allowlist=$1"
177 network_get_device ifname
"$1" || ifname
="$1"
178 xappend
"--interface=$ifname"
181 append_listenaddress
() {
182 xappend
"--listen-address=$1"
185 append_notinterface
() {
186 network_get_device ifname
"$1" || ifname
="$1"
187 xappend
"--except-interface=$ifname"
193 for dirname in $EXTRA_MOUNT ; do
195 "${dirname}/"* |
"${dirname}" )
205 ismounted
"$1" || append EXTRA_MOUNT
"$1"
206 xappend
"--addn-hosts=$1"
209 append_bogusnxdomain
() {
210 xappend
"--bogus-nxdomain=$1"
213 append_pxe_service
() {
214 xappend
"--pxe-service=$1"
217 append_interface_name
() {
218 xappend
"--interface-name=$1,$2"
222 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
224 # use entry when no instance entry set, or if it matches
225 config_get found_cfg
"$cfg" "instance"
226 if [ -z "$found_cfg" ] ||
[ "$found_cfg" = "$match_cfg" ]; then
231 dhcp_subscrid_add
() {
234 config_get networkid
"$cfg" networkid
235 [ -n "$networkid" ] ||
return 0
237 config_get subscriberid
"$cfg" subscriberid
238 [ -n "$subscriberid" ] ||
return 0
240 xappend
"--dhcp-subscrid=set:$networkid,$subscriberid"
242 config_get_bool force
"$cfg" force
0
244 dhcp_option_add
"$cfg" "$networkid" "$force"
247 dhcp_remoteid_add
() {
250 config_get networkid
"$cfg" networkid
251 [ -n "$networkid" ] ||
return 0
253 config_get remoteid
"$cfg" remoteid
254 [ -n "$remoteid" ] ||
return 0
256 xappend
"--dhcp-remoteid=set:$networkid,$remoteid"
258 config_get_bool force
"$cfg" force
0
260 dhcp_option_add
"$cfg" "$networkid" "$force"
263 dhcp_circuitid_add
() {
264 # TODO: DHCPV6 does not have circuitid; catch "option6:"
267 config_get networkid
"$cfg" networkid
268 [ -n "$networkid" ] ||
return 0
270 config_get circuitid
"$cfg" circuitid
271 [ -n "$circuitid" ] ||
return 0
273 xappend
"--dhcp-circuitid=set:$networkid,$circuitid"
275 config_get_bool force
"$cfg" force
0
277 dhcp_option_add
"$cfg" "$networkid" "$force"
280 dhcp_userclass_add
() {
283 config_get networkid
"$cfg" networkid
284 [ -n "$networkid" ] ||
return 0
286 config_get userclass
"$cfg" userclass
287 [ -n "$userclass" ] ||
return 0
289 xappend
"--dhcp-userclass=set:$networkid,$userclass"
291 config_get_bool force
"$cfg" force
0
293 dhcp_option_add
"$cfg" "$networkid" "$force"
296 dhcp_vendorclass_add
() {
297 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
300 config_get networkid
"$cfg" networkid
301 [ -n "$networkid" ] ||
return 0
303 config_get vendorclass
"$cfg" vendorclass
304 [ -n "$vendorclass" ] ||
return 0
306 xappend
"--dhcp-vendorclass=set:$networkid,$vendorclass"
308 config_get_bool force
"$cfg" force
0
310 dhcp_option_add
"$cfg" "$networkid" "$force"
316 config_get networkid
"$cfg" networkid
317 [ -n "$networkid" ] ||
return 0
319 config_get match
"$cfg" match
320 [ -n "$match" ] ||
return 0
322 xappend
"--dhcp-match=set:$networkid,$match"
324 config_get_bool force
"$cfg" force
0
326 dhcp_option_add
"$cfg" "$networkid" "$force"
331 local hosttag nametime addrs duids macs tags mtags
333 config_get_bool force
"$cfg" force
0
335 config_get networkid
"$cfg" networkid
336 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
338 config_get_bool
enable "$cfg" enable 1
339 [ "$enable" = "0" ] && return 0
341 config_get name
"$cfg" name
342 config_get ip
"$cfg" ip
343 config_get hostid
"$cfg" hostid
345 [ -z "$ip" ] && [ -z "$name" ] && [ -z "$hostid" ] && return 0
347 config_get_bool dns
"$cfg" dns
0
348 [ "$dns" = "1" ] && [ -n "$ip" ] && [ -n "$name" ] && {
349 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
352 config_get mac
"$cfg" mac
353 config_get duid
"$cfg" duid
354 config_get tag
"$cfg" tag
357 mtags
="${mtags}tag:$1,"
359 config_list_foreach
"$cfg" match_tag add_tag
361 if [ -n "$mac" ]; then
362 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
363 # many MAC are possible to track a laptop ON/OFF dock
364 for m
in $mac; do append macs
"$m" ","; done
367 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ -n "$duid" ]; then
368 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
369 # one (virtual) machine gets one DUID per RFC3315
370 duids
="id:${duid// */}"
373 if [ -z "$macs" ] && [ -z "$duids" ]; then
374 # --dhcp-host=lap,192.168.0.199,[::beef]
375 [ -n "$name" ] ||
return 0
380 if [ -n "$hostid" ]; then
381 hex_to_hostid hostid
"$hostid"
384 if [ -n "$tag" ]; then
385 for t
in $tag; do append tags
"$t" ",set:"; done
388 config_get_bool broadcast
"$cfg" broadcast
0
389 config_get leasetime
"$cfg" leasetime
391 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
393 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
394 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
396 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
397 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
398 xappend
"--dhcp-host=$mtags$macs${duids:+,$duids}$hosttag$addrs$nametime"
400 xappend
"--dhcp-host=$mtags$macs$hosttag${ip:+,$ip}$nametime"
404 dhcp_this_host_add
() {
408 local routerstub routername ifdashname
409 local lanaddr lanaddr6 lanaddrs6 ulaprefix
411 if [ "$mode" -gt 0 ] ; then
412 ifdashname
="${ifname//./-}"
413 routerstub
="$( md5sum /etc/os-release )"
414 routerstub
="router-${routerstub// */}"
415 routername
="$( uci_get system @system[0] hostname $routerstub )"
417 if [ "$mode" -gt 1 ] ; then
418 if [ "$mode" -gt 2 ] ; then
419 if [ "$mode" -gt 3 ] ; then
420 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
423 append_interface_name
"$routername.$DOMAIN" "$ifname"
426 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
427 append_interface_name
"$routername" "$ifname"
430 # This uses a static host file entry for only limited addresses.
431 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
432 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
433 network_get_ipaddr lanaddr
"$net"
434 network_get_ipaddrs6 lanaddrs6
"$net"
436 if [ -n "$lanaddr" ] ; then
437 dhcp_domain_add
"" "$routername" "$lanaddr"
440 if [ -n "$ulaprefix" ] && [ -n "$lanaddrs6" ] ; then
441 for lanaddr6
in $lanaddrs6 ; do
443 "${ulaprefix%%:/*}"*)
444 dhcp_domain_add
"" "$routername" "$lanaddr6"
454 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
459 [ -n "$tag" ] ||
return 0
461 config_get_bool force
"$cfg" force
0
462 [ "$force" = "0" ] && force
=
464 config_get option
"$cfg" dhcp_option
466 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
473 config_get networkid
"$cfg" networkid
474 [ -n "$networkid" ] ||
return 0
476 config_get mac
"$cfg" mac
477 [ -n "$mac" ] ||
return 0
479 xappend
"--dhcp-mac=$networkid,$mac"
481 dhcp_option_add
"$cfg" "$networkid"
485 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
488 config_get networkid
"$cfg" networkid
490 config_get filename
"$cfg" filename
491 [ -n "$filename" ] ||
return 0
493 config_get servername
"$cfg" servername
494 config_get serveraddress
"$cfg" serveraddress
496 [ -n "$serveraddress" ] && [ ! -n "$servername" ] && return 0
498 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
500 config_get_bool force
"$cfg" force
0
502 dhcp_option_add
"$cfg" "$networkid" "$force"
508 local dhcp6range
="::"
512 config_get net
"$cfg" interface
513 [ -n "$net" ] ||
return 0
515 config_get networkid
"$cfg" networkid
516 [ -n "$networkid" ] || networkid
="$net"
518 network_get_device ifname
"$net" ||
return 0
520 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
521 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
524 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
525 # Many ISP do not have useful names for DHCP customers (your WAN).
526 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
530 network_get_subnet subnet
"$net" ||
return 0
531 network_get_protocol proto
"$net" ||
return 0
533 # Do not support non-static interfaces for now
534 [ static
= "$proto" ] ||
return 0
536 # Override interface netmask with dhcp config if applicable
537 config_get netmask
"$cfg" netmask
"${subnet##*/}"
539 #check for an already active dhcp server on the interface, unless 'force' is set
540 config_get_bool force
"$cfg" force
0
541 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
{
543 "found already running DHCP-server on interface '$ifname'" \
544 "refusing to start, use 'option force 1' to override"
548 config_get start
"$cfg" start
100
549 config_get limit
"$cfg" limit
150
550 config_get leasetime
"$cfg" leasetime
12h
551 config_get options
"$cfg" options
552 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
554 config_get dhcpv4
"$cfg" dhcpv4
555 config_get dhcpv6
"$cfg" dhcpv6
557 config_get ra
"$cfg" ra
558 config_get ra_management
"$cfg" ra_management
559 config_get ra_preference
"$cfg" ra_preference
560 config_get dns
"$cfg" dns
562 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
564 # Put the router host name on this DHCP served interface address(es)
565 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
567 start
="$( dhcp_calc "$start" )"
570 tags
="${tags}tag:$1,"
572 config_list_foreach
"$cfg" tag add_tag
574 nettag
="${networkid:+set:${networkid},}"
576 if [ "$limit" -gt 0 ] ; then
580 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
582 if [ "$dynamicdhcp" = "0" ] ; then
584 dhcp6range
="::,static"
586 dhcp6range
="::1000,::ffff"
590 if [ "$dhcpv4" != "disabled" ] ; then
591 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
595 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ "$ra" = "server" ] ; then
596 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
597 # and let some other machine(s) send RA pointing to it.
599 case $ra_preference in
601 xappend
"--ra-param=$ifname,high,0,7200"
604 xappend
"--ra-param=$ifname,low,0,7200"
607 # Send UNSOLICITED RA at default interval and live for 2 hours.
608 # TODO: convert flexible lease time into route life time (only seconds).
609 xappend
"--ra-param=$ifname,0,7200"
613 if [ "$dhcpv6" = "disabled" ] ; then
618 case $ra_management in
620 # SLACC with DCHP for extended options
621 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
624 # DHCP address and RA only for management redirection
625 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
628 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
629 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
632 # SLAAC and full DHCP
633 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
637 if [ -n "$dns" ]; then
639 for d
in $dns; do append dnss
"[$d]" ","; done
644 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
647 dhcp_option_add
"$cfg" "$networkid" 0
648 dhcp_option_add
"$cfg" "$networkid" 2
651 dhcp_option_append
() {
656 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
660 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
664 local opt
="dhcp_option"
666 [ "$force" = "0" ] && force
=
667 [ "$force" = "2" ] && opt
="dhcp_option_force"
670 config_get list_len
"$cfg" "${opt}_LENGTH"
672 if [ -n "$list_len" ]; then
673 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
675 config_get dhcp_option
"$cfg" "$opt"
677 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
680 for option
in $dhcp_option; do
681 dhcp_option_append
"$option" "$networkid" "$force"
688 local ip name names record
690 config_get names
"$cfg" name
"$2"
691 [ -n "$names" ] ||
return 0
693 config_get ip
"$cfg" ip
"$3"
694 [ -n "$ip" ] ||
return 0
696 for name
in $names; do
697 record
="${record:+$record }$name"
700 echo "$ip $record" >> $HOSTFILE_TMP
706 config_get srv
"$cfg" srv
707 [ -n "$srv" ] ||
return 0
709 config_get target
"$cfg" target
710 [ -n "$target" ] ||
return 0
712 config_get port
"$cfg" port
713 [ -n "$port" ] ||
return 0
715 config_get class
"$cfg" class
716 config_get weight
"$cfg" weight
718 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
720 xappend
"--srv-host=$service"
725 local domain relay pref
727 config_get domain
"$cfg" domain
728 [ -n "$domain" ] ||
return 0
730 config_get relay
"$cfg" relay
731 [ -n "$relay" ] ||
return 0
733 config_get pref
"$cfg" pref
0
735 local service
="$domain,$relay,$pref"
737 xappend
"--mx-host=$service"
744 config_get cname
"$cfg" cname
745 [ -n "$cname" ] ||
return 0
747 config_get target
"$cfg" target
748 [ -n "$target" ] ||
return 0
750 xappend
"--cname=${cname},${target}"
753 dhcp_hostrecord_add
() {
755 local names addresses record val
757 config_get names
"$cfg" name
"$2"
758 if [ -z "$names" ]; then
762 config_get addresses
"$cfg" ip
"$3"
763 if [ -z "$addresses" ]; then
767 for val
in $names $addresses; do
768 record
="${record:+$record,}$val"
771 xappend
"--host-record=$record"
776 local local_addr server_addr interface
778 config_get local_addr
"$cfg" local_addr
779 [ -n "$local_addr" ] ||
return 0
781 config_get server_addr
"$cfg" server_addr
782 [ -n "$server_addr" ] ||
return 0
784 config_get interface
"$cfg" interface
785 if [ -z "$interface" ]; then
786 xappend
"--dhcp-relay=$local_addr,$server_addr"
788 network_get_device ifname
"$interface" ||
return
789 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
793 dnsmasq_ipset_add
() {
798 ipsets
="${ipsets:+$ipsets,}$1"
802 # leading '/' is expected
803 domains
="$domains/$1"
806 config_list_foreach
"$cfg" "name" add_ipset
807 config_list_foreach
"$cfg" "domain" add_domain
809 if [ -z "$ipsets" ] ||
[ -z "$domains" ]; then
813 xappend
"--ipset=$domains/$ipsets"
819 local disabled user_dhcpscript logfacility
820 local resolvfile resolvdir localuse
=0
822 config_get_bool disabled
"$cfg" disabled
0
823 [ "$disabled" -gt 0 ] && return 0
825 # reset list of DOMAINS, DNS servers and EXTRA mounts (for each dnsmasq instance)
829 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
830 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
831 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
832 HOSTFILE_TMP
="${HOSTFILE}.$$"
833 HOSTFILE_DIR
="$(dirname "$HOSTFILE")"
834 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
836 # before we can call xappend
837 umask u
=rwx
,g
=rx
,o
=rx
838 mkdir
-p /var
/run
/dnsmasq
/
839 mkdir
-p $
(dirname $CONFIGFILE)
840 mkdir
-p "$HOSTFILE_DIR"
841 mkdir
-p /var
/lib
/misc
842 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
844 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
845 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
847 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
848 if [ ! -r "$dnsmasqconffile" ]; then
849 dnsmasqconffile
=/etc
/dnsmasq.conf
852 # if we did this last, we could override auto-generated config
853 [ -f "${dnsmasqconffile}" ] && {
854 xappend
"--conf-file=${dnsmasqconffile}"
857 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
860 if [ -x /usr
/sbin
/odhcpd
] && [ -x /etc
/init.d
/odhcpd
] ; then
861 local odhcpd_is_main odhcpd_is_enabled
862 config_get odhcpd_is_main odhcpd maindhcp
0
863 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
866 if [ "$odhcpd_is_enabled" -eq 0 ] && [ "$DHCPv6CAPABLE" -eq 1 ] ; then
867 # DHCP V4 and V6 in DNSMASQ
869 elif [ "$odhcpd_is_main" -gt 0 ] ; then
870 # ODHCPD is doing it all
873 # You have ODHCPD but use DNSMASQ for DHCPV4
877 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
878 # DHCP V4 and V6 in DNSMASQ
884 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
885 if [ -x /usr
/sbin
/dhcpd
] ; then
886 if [ -x /etc
/init.d
/dhcpd
] ; then
887 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
889 if [ -x /etc
/init.d
/dhcpd6
] && [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
890 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
894 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
895 append_bool
"$cfg" nodaemon
"--no-daemon"
896 append_bool
"$cfg" domainneeded
"--domain-needed"
897 append_bool
"$cfg" filterwin2k
"--filterwin2k"
898 append_bool
"$cfg" nohosts
"--no-hosts"
899 append_bool
"$cfg" nonegcache
"--no-negcache"
900 append_bool
"$cfg" strictorder
"--strict-order"
901 append_bool
"$cfg" logqueries
"--log-queries=extra"
902 append_bool
"$cfg" noresolv
"--no-resolv"
903 append_bool
"$cfg" localise_queries
"--localise-queries"
904 append_bool
"$cfg" readethers
"--read-ethers"
906 local instance_name
="dnsmasq.$cfg"
907 if [ "$cfg" = "$DEFAULT_INSTANCE" ]; then
908 instance_name
="dnsmasq"
910 config_get_bool dbus
"$cfg" "dbus" 0
911 [ $dbus -gt 0 ] && xappend
"--enable-dbus=uk.org.thekelleys.$instance_name"
912 config_get_bool ubus
"$cfg" "ubus" 1
913 [ $ubus -gt 0 ] && xappend
"--enable-ubus=$instance_name"
915 append_bool
"$cfg" expandhosts
"--expand-hosts"
916 config_get tftp_root
"$cfg" "tftp_root"
917 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
918 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
919 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
920 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
921 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
922 append_bool
"$cfg" localservice
"--local-service"
923 append_bool
"$cfg" logdhcp
"--log-dhcp"
924 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
925 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
926 append_bool
"$cfg" allservers
"--all-servers"
927 append_bool
"$cfg" noping
"--no-ping"
928 append_bool
"$cfg" rapidcommit
"--dhcp-rapid-commit"
929 append_bool
"$cfg" scriptarp
"--script-arp"
931 append_parm
"$cfg" logfacility
"--log-facility"
932 config_get logfacility
"$cfg" "logfacility"
933 append_parm
"$cfg" cachesize
"--cache-size"
934 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
935 append_parm
"$cfg" port
"--port"
936 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
937 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
938 append_parm
"$cfg" "queryport" "--query-port"
939 append_parm
"$cfg" "minport" "--min-port"
940 append_parm
"$cfg" "maxport" "--max-port"
941 append_parm
"$cfg" "domain" "--domain"
942 append_parm
"$cfg" "local" "--local"
943 config_list_foreach
"$cfg" "listen_address" append_listenaddress
944 config_list_foreach
"$cfg" "server" append_server
945 config_list_foreach
"$cfg" "rev_server" append_rev_server
946 config_list_foreach
"$cfg" "address" append_address
948 local connmark_allowlist_enable
949 config_get connmark_allowlist_enable
"$cfg" connmark_allowlist_enable
0
950 [ "$connmark_allowlist_enable" -gt 0 ] && {
951 append_parm
"$cfg" "connmark_allowlist_enable" "--connmark-allowlist-enable"
952 config_list_foreach
"$cfg" "connmark_allowlist" append_connmark_allowlist
956 config_list_foreach
"$cfg" "interface" append_interface
957 config_list_foreach
"$cfg" "notinterface" append_notinterface
959 config_get_bool ignore_hosts_dir
"$cfg" ignore_hosts_dir
0
960 if [ "$ignore_hosts_dir" = "1" ]; then
961 xappend
"--addn-hosts=$HOSTFILE"
962 append EXTRA_MOUNT
"$HOSTFILE"
964 xappend
"--addn-hosts=$HOSTFILE_DIR"
965 append EXTRA_MOUNT
"$HOSTFILE_DIR"
967 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
968 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
969 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
972 config_get serversfile
"$cfg" "serversfile"
973 [ -n "$serversfile" ] && {
974 xappend
"--servers-file=$serversfile"
975 append EXTRA_MOUNT
"$serversfile"
978 append_parm
"$cfg" "tftp_root" "--tftp-root"
979 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
980 append_parm
"$cfg" "local_ttl" "--local-ttl"
981 append_parm
"$cfg" "max_ttl" "--max-ttl"
982 append_parm
"$cfg" "min_cache_ttl" "--min-cache-ttl"
983 append_parm
"$cfg" "max_cache_ttl" "--max-cache-ttl"
984 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
985 append_parm
"$cfg" "tftp_unique_root" "--tftp-unique-root"
986 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
987 config_get DOMAIN
"$cfg" domain
989 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
990 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
991 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
992 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
994 if [ -z "$ADD_LOCAL_FQDN" ] ; then
995 # maintain support for previous UCI
996 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
999 config_get user_dhcpscript
$cfg dhcpscript
1000 if has_handler ||
[ -n "$user_dhcpscript" ]; then
1001 xappend
"--dhcp-script=$DHCPSCRIPT"
1002 xappend
"--script-arp"
1005 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
1006 [ -n "$leasefile" ] && [ ! -e "$leasefile" ] && touch "$leasefile"
1007 config_get_bool cachelocal
"$cfg" cachelocal
1
1009 config_get_bool noresolv
"$cfg" noresolv
0
1010 if [ "$noresolv" != "1" ]; then
1011 config_get resolvfile
"$cfg" resolvfile
/tmp
/resolv.conf.d
/resolv.conf.auto
1012 [ -n "$resolvfile" ] && [ ! -e "$resolvfile" ] && touch "$resolvfile"
1013 xappend
"--resolv-file=$resolvfile"
1014 [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
1015 resolvdir
="$(dirname "$resolvfile")"
1017 config_get_bool localuse
"$cfg" localuse
"$localuse"
1019 config_get hostsfile
"$cfg" dhcphostsfile
1020 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
1023 config_get_bool rebind
"$cfg" rebind_protection
1
1024 [ $rebind -gt 0 ] && {
1026 "DNS rebinding protection is active," \
1027 "will discard upstream RFC1918 responses!"
1028 xappend
"--stop-dns-rebind"
1030 local rebind_localhost
1031 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
1032 [ $rebind_localhost -gt 0 ] && {
1033 log_once
"Allowing 127.0.0.0/8 responses"
1034 xappend
"--rebind-localhost-ok"
1037 append_rebind_domain
() {
1038 log_once
"Allowing RFC1918 responses for domain $1"
1039 xappend
"--rebind-domain-ok=$1"
1042 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
1045 config_get_bool dnssec
"$cfg" dnssec
0
1046 [ "$dnssec" -gt 0 ] && {
1047 xappend
"--conf-file=$TRUSTANCHORSFILE"
1049 [ -x /etc
/init.d
/sysntpd
] && {
1050 if /etc
/init.d
/sysntpd enabled ||
[ "$(uci_get system.ntp.enabled)" = "1" ] ; then
1051 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
1054 config_get_bool dnsseccheckunsigned
"$cfg" dnsseccheckunsigned
1
1055 [ "$dnsseccheckunsigned" -eq 0 ] && xappend
"--dnssec-check-unsigned=no"
1058 config_get addmac
"$cfg" addmac
0
1059 [ "$addmac" != "0" ] && {
1060 [ "$addmac" = "1" ] && addmac
=
1061 xappend
"--add-mac${addmac:+="$addmac"}"
1064 dhcp_option_add
"$cfg" "" 0
1065 dhcp_option_add
"$cfg" "" 2
1067 xappend
"--dhcp-broadcast=tag:needs-broadcast"
1070 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
1071 xappend
"--conf-dir=$dnsmasqconfdir"
1072 dnsmasqconfdir
="${dnsmasqconfdir%%,*}"
1073 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
1074 xappend
"--user=dnsmasq"
1075 xappend
"--group=dnsmasq"
1076 echo >> $CONFIGFILE_TMP
1078 config_get_bool enable_tftp
"$cfg" enable_tftp
0
1079 [ "$enable_tftp" -gt 0 ] && {
1080 config_get tftp_root
"$cfg" tftp_root
1081 append EXTRA_MOUNT
$tftp_root
1084 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
1085 echo >> $CONFIGFILE_TMP
1087 config_get_bool dhcpbogushostname
"$cfg" dhcpbogushostname
1
1088 [ "$dhcpbogushostname" -gt 0 ] && {
1089 xappend
"--dhcp-ignore-names=tag:dhcp_bogus_hostname"
1090 [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend
"--conf-file=$DHCPBOGUSHOSTNAMEFILE"
1093 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
1094 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
1095 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
1096 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
1097 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
1098 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
1099 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
1100 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
1101 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
1102 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
1103 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
1104 [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
1106 echo >> $CONFIGFILE_TMP
1107 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
1108 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
1109 echo >> $CONFIGFILE_TMP
1111 config_get_bool boguspriv
"$cfg" boguspriv
1
1112 [ "$boguspriv" -gt 0 ] && {
1113 xappend
"--bogus-priv"
1114 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
1117 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
1118 # Enable RA feature for when/if it is constructed,
1119 # and RA is selected per interface pool (RA, DHCP, or both),
1120 # but no one (should) want RA broadcast in syslog
1121 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1122 xappend
"--enable-ra"
1123 xappend
"--quiet-ra"
1124 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
1126 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
1127 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1131 echo >> $CONFIGFILE_TMP
1132 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1133 echo >> $CONFIGFILE_TMP
1135 echo >> $CONFIGFILE_TMP
1136 config_foreach filter_dnsmasq ipset dnsmasq_ipset_add
"$cfg"
1137 echo >> $CONFIGFILE_TMP
1139 echo >> $CONFIGFILE_TMP
1140 mv -f $CONFIGFILE_TMP $CONFIGFILE
1141 mv -f $HOSTFILE_TMP $HOSTFILE
1143 [ "$localuse" -gt 0 ] && {
1144 rm -f /tmp
/resolv.conf
1145 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1146 echo "search $DOMAIN" >> /tmp
/resolv.conf
1148 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1149 [ -e /proc
/sys
/net
/ipv6
] && DNS_SERVERS
="$DNS_SERVERS ::1"
1150 for DNS_SERVER
in $DNS_SERVERS ; do
1151 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1155 procd_open_instance
$cfg
1156 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1157 procd_set_param
file $CONFIGFILE
1158 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1159 procd_set_param respawn
1161 local instance_ifc instance_netdev
1162 config_get instance_ifc
"$cfg" interface
1163 [ -n "$instance_ifc" ] && network_get_device instance_netdev
"$instance_ifc" &&
1164 [ -n "$instance_netdev" ] && procd_set_param netdev
$instance_netdev
1166 procd_add_jail dnsmasq ubus log
1167 procd_add_jail_mount
$CONFIGFILE $DHCPBOGUSHOSTNAMEFILE $DHCPSCRIPT $DHCPSCRIPT_DEPENDS
1168 procd_add_jail_mount
$EXTRA_MOUNT $RFC6761FILE $TRUSTANCHORSFILE
1169 procd_add_jail_mount
$dnsmasqconffile $dnsmasqconfdir $resolvdir $user_dhcpscript
1170 procd_add_jail_mount
/etc
/passwd
/etc
/group
/etc
/TZ
/etc
/hosts
/etc
/ethers
1171 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1172 case "$logfacility" in */*)
1173 [ ! -e "$logfacility" ] && touch "$logfacility"
1174 procd_add_jail_mount_rw
"$logfacility"
1177 procd_close_instance
1183 local noresolv resolvfile localuse
=0
1185 config_get_bool noresolv
"$cfg" noresolv
0
1186 config_get resolvfile
"$cfg" "resolvfile"
1188 [ "$noresolv" = 0 ] && [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
1189 config_get_bool localuse
"$cfg" localuse
"$localuse"
1190 [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.d/resolv.conf.auto" /tmp
/resolv.conf
1192 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1195 add_interface_trigger
()
1197 local interface ignore
1199 config_get interface
"$1" interface
1200 config_get_bool ignore
"$1" ignore
0
1202 [ -n "$interface" ] && [ $ignore -eq 0 ] && procd_add_interface_trigger
"interface.*" "$interface" /etc
/init.d
/dnsmasq reload
1207 procd_add_reload_trigger
"dhcp" "system"
1210 config_foreach add_interface_trigger dhcp
1211 config_foreach add_interface_trigger relay
1222 local instance_found
=0
1223 local first_instance
=""
1225 .
/lib
/functions
/network.sh
1230 if [ "$type" = "dnsmasq" ]; then
1231 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1234 if [ -z "$DEFAULT_INSTANCE" ]; then
1236 config_get_bool disabled
"$name" disabled
0
1237 if [ "$disabled" -eq 0 ]; then
1238 # First enabled section will be assigned default instance name.
1239 # Unnamed sections get precedence over named sections.
1240 if expr "$cfg" : 'cfg[0-9a-f]*$' >/dev
/null
= "9"; then # See uci_fixup_section.
1241 DEFAULT_INSTANCE
="$name" # Unnamed config section.
1242 elif [ -z "$first_instance" ]; then
1243 first_instance
="$name"
1252 if [ -z "$DEFAULT_INSTANCE" ]; then
1253 DEFAULT_INSTANCE
="$first_instance" # No unnamed config section was found.
1256 if [ -n "$instance" ]; then
1257 [ "$instance_found" -gt 0 ] ||
return
1258 dnsmasq_start
"$instance"
1260 config_foreach dnsmasq_start dnsmasq
1265 rc_procd start_service
"$@"
1266 procd_send_signal dnsmasq
"$@"
1271 local instance_found
=0
1276 if [ "$type" = "dnsmasq" ]; then
1277 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1285 if [ -n "$instance" ]; then
1286 [ "$instance_found" -gt 0 ] ||
return
1287 dnsmasq_stop
"$instance"
1289 config_foreach dnsmasq_stop dnsmasq