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 BASETIMESTAMPFILE
="/etc/dnsmasq.time"
17 TRUSTANCHORSFILE
="/usr/share/dnsmasq/trust-anchors.conf"
18 TIMEVALIDFILE
="/var/state/dnsmasqsec"
19 BASEDHCPSTAMPFILE
="/var/run/dnsmasq"
20 RFC6761FILE
="/usr/share/dnsmasq/rfc6761.conf"
27 echo "${value#--}" >> $CONFIGFILE_TMP
32 local hex
="${2#0x}" # strip optional "0x" prefix
34 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
35 # is invalid hex literal
39 # convert into host id
42 $(((0x$hex >> 16) % 65536)) \
53 while [ -n "$ip" ]; do
56 res
="$(($res + $part))"
57 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
64 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
67 [ -s "$stamp" ] && return $
(cat "$stamp")
69 # If there's no carrier yet, skip this interface.
70 # The init script will be called again once the link is up
71 case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
75 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
79 "found already running DHCP-server on interface '$ifname'" \
80 "refusing to start, use 'option force 1' to override"
87 pidof dnsmasq
>/dev
/null || \
88 logger
-t dnsmasq
"$@"
96 config_get_bool _loctmp
"$section" "$option" 0
97 [ $_loctmp -gt 0 ] && xappend
"$value"
106 config_get _loctmp
"$section" "$option" "$default"
107 [ -z "$_loctmp" ] && return 0
108 xappend
"$switch=$_loctmp"
112 xappend
"--server=$1"
116 xappend
"--address=$1"
124 network_get_device ifname
"$1" ||
return
125 xappend
"--interface=$ifname"
128 append_notinterface
() {
129 network_get_device ifname
"$1" ||
return
130 xappend
"--except-interface=$ifname"
134 xappend
"--addn-hosts=$1"
137 append_bogusnxdomain
() {
138 xappend
"--bogus-nxdomain=$1"
141 append_pxe_service
() {
142 xappend
"--pxe-service=$1"
145 append_interface_name
() {
146 xappend
"--interface-name=$1,$2"
150 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
152 # use entry when no instance entry set, or if it matches
153 config_get found_cfg
"$cfg" "instance"
154 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
159 dhcp_subscrid_add
() {
162 config_get networkid
"$cfg" networkid
163 [ -n "$networkid" ] ||
return 0
165 config_get subscriberid
"$cfg" subscriberid
166 [ -n "$subscriberid" ] ||
return 0
168 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
170 config_get_bool force
"$cfg" force
0
172 dhcp_option_add
"$cfg" "$networkid" "$force"
175 dhcp_remoteid_add
() {
178 config_get networkid
"$cfg" networkid
179 [ -n "$networkid" ] ||
return 0
181 config_get remoteid
"$cfg" remoteid
182 [ -n "$remoteid" ] ||
return 0
184 xappend
"--dhcp-remoteid=$networkid,$remoteid"
186 config_get_bool force
"$cfg" force
0
188 dhcp_option_add
"$cfg" "$networkid" "$force"
191 dhcp_circuitid_add
() {
192 # TODO: DHCPV6 does not have circuitid; catch "option6:"
195 config_get networkid
"$cfg" networkid
196 [ -n "$networkid" ] ||
return 0
198 config_get circuitid
"$cfg" circuitid
199 [ -n "$circuitid" ] ||
return 0
201 xappend
"--dhcp-circuitid=$networkid,$circuitid"
203 config_get_bool force
"$cfg" force
0
205 dhcp_option_add
"$cfg" "$networkid" "$force"
208 dhcp_userclass_add
() {
211 config_get networkid
"$cfg" networkid
212 [ -n "$networkid" ] ||
return 0
214 config_get userclass
"$cfg" userclass
215 [ -n "$userclass" ] ||
return 0
217 xappend
"--dhcp-userclass=$networkid,$userclass"
219 config_get_bool force
"$cfg" force
0
221 dhcp_option_add
"$cfg" "$networkid" "$force"
224 dhcp_vendorclass_add
() {
225 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
228 config_get networkid
"$cfg" networkid
229 [ -n "$networkid" ] ||
return 0
231 config_get vendorclass
"$cfg" vendorclass
232 [ -n "$vendorclass" ] ||
return 0
234 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
236 config_get_bool force
"$cfg" force
0
238 dhcp_option_add
"$cfg" "$networkid" "$force"
244 config_get networkid
"$cfg" networkid
245 [ -n "$networkid" ] ||
return 0
247 config_get match
"$cfg" match
248 [ -n "$match" ] ||
return 0
250 xappend
"--dhcp-match=$networkid,$match"
252 config_get_bool force
"$cfg" force
0
254 dhcp_option_add
"$cfg" "$networkid" "$force"
259 local hosttag nametime addrs duids
261 config_get_bool force
"$cfg" force
0
263 config_get networkid
"$cfg" networkid
264 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
266 config_get_bool
enable "$cfg" enable 1
267 [ "$enable" = "0" ] && return 0
269 config_get name
"$cfg" name
270 config_get ip
"$cfg" ip
271 config_get hostid
"$cfg" hostid
273 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
275 config_get_bool dns
"$cfg" dns
0
276 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
277 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
280 config_get mac
"$cfg" mac
281 config_get duid
"$cfg" duid
282 config_get tag
"$cfg" tag
284 if [ -n "$mac" ]; then
285 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
286 # many MAC are possible to track a laptop ON/OFF dock
288 for m
in $mac; do append macs
"$m" ","; done
291 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
292 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
293 # one (virtual) machine gets one DUID per RFC3315
294 duids
="id:${duid// */}"
297 if [ -z "$macs" -a -z "$duids" ]; then
298 # --dhcp-host=lap,192.168.0.199,[::beef]
299 [ -n "$name" ] ||
return 0
304 if [ -n "$hostid" ]; then
305 hex_to_hostid hostid
"$hostid"
308 config_get_bool broadcast
"$cfg" broadcast
0
309 config_get leasetime
"$cfg" leasetime
311 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
313 hosttag
="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
314 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
316 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
317 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
318 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
320 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
324 dhcp_this_host_add
() {
328 local routerstub routername ifdashname
329 local lanaddr lanaddr6 lanaddrs6 ulaprefix
331 if [ "$mode" -gt 0 ] ; then
332 ifdashname
="${ifname//./-}"
333 routerstub
="$( md5sum /etc/os-release )"
334 routerstub
="router-${routerstub// */}"
335 routername
="$( uci_get system @system[0] hostname $routerstub )"
337 if [ "$mode" -gt 1 ] ; then
338 if [ "$mode" -gt 2 ] ; then
339 if [ "$mode" -gt 3 ] ; then
340 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
343 append_interface_name
"$routername.$DOMAIN" "$ifname"
346 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
347 append_interface_name
"$routername" "$ifname"
350 # This uses a static host file entry for only limited addresses.
351 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
352 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
353 network_get_ipaddr lanaddr
"$net"
354 network_get_ipaddrs6 lanaddrs6
"$net"
356 if [ -n "$lanaddr" ] ; then
357 dhcp_domain_add
"" "$routername" "$lanaddr"
360 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
361 for lanaddr6
in $lanaddrs6 ; do
363 "${ulaprefix%%:/*}"*)
364 dhcp_domain_add
"" "$routername" "$lanaddr6"
374 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
379 [ -n "$tag" ] ||
return 0
381 config_get_bool force
"$cfg" force
0
382 [ "$force" = "0" ] && force
=
384 config_get option
"$cfg" dhcp_option
386 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
393 config_get networkid
"$cfg" networkid
394 [ -n "$networkid" ] ||
return 0
396 config_get mac
"$cfg" mac
397 [ -n "$mac" ] ||
return 0
399 xappend
"--dhcp-mac=$networkid,$mac"
401 dhcp_option_add
"$cfg" "$networkid"
405 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
408 config_get networkid
"$cfg" networkid
410 config_get filename
"$cfg" filename
411 [ -n "$filename" ] ||
return 0
413 config_get servername
"$cfg" servername
414 config_get serveraddress
"$cfg" serveraddress
416 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
418 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
420 config_get_bool force
"$cfg" force
0
422 dhcp_option_add
"$cfg" "$networkid" "$force"
428 local dhcp6range
="::"
431 config_get net
"$cfg" interface
432 [ -n "$net" ] ||
return 0
434 config_get networkid
"$cfg" networkid
435 [ -n "$networkid" ] || networkid
="$net"
437 network_get_subnet subnet
"$net" ||
return 0
438 network_get_device ifname
"$net" ||
return 0
439 network_get_protocol proto
"$net" ||
return 0
441 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
442 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
445 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
446 # Many ISP do not have useful names for DHCP customers (your WAN).
447 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
451 # Do not support non-static interfaces for now
452 [ static
= "$proto" ] ||
return 0
454 # Override interface netmask with dhcp config if applicable
455 config_get netmask
"$cfg" netmask
"${subnet##*/}"
457 #check for an already active dhcp server on the interface, unless 'force' is set
458 config_get_bool force
"$cfg" force
0
459 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
461 config_get start
"$cfg" start
100
462 config_get limit
"$cfg" limit
150
463 config_get leasetime
"$cfg" leasetime
12h
464 config_get options
"$cfg" options
465 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
467 config_get dhcpv4
"$cfg" dhcpv4
468 config_get dhcpv6
"$cfg" dhcpv6
470 config_get ra
"$cfg" ra
471 config_get ra_management
"$cfg" ra_management
472 config_get ra_preference
"$cfg" ra_preference
474 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
476 # Put the router host name on this DHCP served interface address(es)
477 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
479 start
="$( dhcp_calc "$start" )"
480 nettag
="${networkid:+set:${networkid},}"
482 if [ "$limit" -gt 0 ] ; then
486 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
488 if [ "$dynamicdhcp" = "0" ] ; then
490 dhcp6range
="::,static"
492 dhcp6range
="::1000,::ffff"
496 if [ "$dhcpv4" != "disabled" ] ; then
497 xappend
"--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
501 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
502 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
503 # and let some other machine(s) send RA pointing to it.
505 case $ra_preference in
507 xappend
"--ra-param=$ifname,high,0,7200"
510 xappend
"--ra-param=$ifname,low,0,7200"
513 # Send UNSOLICITED RA at default interval and live for 2 hours.
514 # TODO: convert flexible lease time into route life time (only seconds).
515 xappend
"--ra-param=$ifname,0,7200"
519 if [ "$dhcpv6" = "disabled" ] ; then
524 case $ra_management in
526 # SLACC with DCHP for extended options
527 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
530 # DHCP address and RA only for management redirection
531 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
534 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
535 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
538 # SLAAC and full DHCP
539 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
544 dhcp_option_add
"$cfg" "$networkid"
547 dhcp_option_append
() {
552 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
556 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
561 [ "$force" = "0" ] && force
=
564 config_get list_len
"$cfg" dhcp_option_LENGTH
566 if [ -n "$list_len" ]; then
567 config_list_foreach
"$cfg" dhcp_option dhcp_option_append
"$networkid" "$force"
569 config_get dhcp_option
"$cfg" dhcp_option
571 [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
574 for option
in $dhcp_option; do
575 dhcp_option_append
"$option" "$networkid" "$force"
582 local ip name names record
584 config_get names
"$cfg" name
"$2"
585 [ -n "$names" ] ||
return 0
587 config_get ip
"$cfg" ip
"$3"
588 [ -n "$ip" ] ||
return 0
590 for name
in $names; do
591 record
="${record:+$record }$name"
594 echo "$ip $record" >> $HOSTFILE
600 config_get srv
"$cfg" srv
601 [ -n "$srv" ] ||
return 0
603 config_get target
"$cfg" target
604 [ -n "$target" ] ||
return 0
606 config_get port
"$cfg" port
607 [ -n "$port" ] ||
return 0
609 config_get class
"$cfg" class
610 config_get weight
"$cfg" weight
612 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
614 xappend
"--srv-host=$service"
619 local domain relay pref
621 config_get domain
"$cfg" domain
622 [ -n "$domain" ] ||
return 0
624 config_get relay
"$cfg" relay
625 [ -n "$relay" ] ||
return 0
627 config_get pref
"$cfg" pref
0
629 local service
="$domain,$relay,$pref"
631 xappend
"--mx-host=$service"
638 config_get cname
"$cfg" cname
639 [ -n "$cname" ] ||
return 0
641 config_get target
"$cfg" target
642 [ -n "$target" ] ||
return 0
644 xappend
"--cname=${cname},${target}"
647 dhcp_hostrecord_add
() {
649 local names addresses record val
651 config_get names
"$cfg" name
"$2"
652 if [ -z "$names" ]; then
656 config_get addresses
"$cfg" ip
"$3"
657 if [ -z "$addresses" ]; then
661 for val
in $names $addresses; do
662 record
="${record:+$record,}$val"
665 xappend
"--host-record=$record"
670 local local_addr server_addr interface
672 config_get local_addr
"$cfg" local_addr
673 [ -n "$local_addr" ] ||
return 0
675 config_get server_addr
"$cfg" server_addr
676 [ -n "$server_addr" ] ||
return 0
678 config_get interface
"$cfg" interface
679 if [ -z "$interface" ]; then
680 xappend
"--dhcp-relay=$local_addr,$server_addr"
682 network_get_device ifname
"$interface" ||
return
683 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
689 local cfg
="$1" disabled resolvfile
691 config_get_bool disabled
"$cfg" disabled
0
692 [ "$disabled" -gt 0 ] && return 0
694 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
697 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
698 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
699 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
700 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
701 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
703 # before we can call xappend
704 mkdir
-p /var
/run
/dnsmasq
/
705 mkdir
-p $
(dirname $CONFIGFILE)
706 mkdir
-p $
(dirname $HOSTFILE)
707 mkdir
-p /var
/lib
/misc
708 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
710 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
712 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
713 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
715 # if we did this last, we could override auto-generated config
716 [ -f /etc
/dnsmasq.conf
] && {
717 xappend
"--conf-file=/etc/dnsmasq.conf"
720 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
723 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
724 local odhcpd_is_main odhcpd_is_enabled
725 config_get odhcpd_is_main odhcpd maindhcp
0
726 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
729 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
730 # DHCP V4 and V6 in DNSMASQ
732 elif [ "$odhcpd_is_main" -gt 0 ] ; then
733 # ODHCPD is doing it all
736 # You have ODHCPD but use DNSMASQ for DHCPV4
740 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
741 # DHCP V4 and V6 in DNSMASQ
747 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
748 if [ -x /usr
/sbin
/dhcpd
] ; then
749 if [ -x /etc
/init.d
/dhcpd
] ; then
750 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
752 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
753 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
757 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
758 append_bool
"$cfg" nodaemon
"--no-daemon"
759 append_bool
"$cfg" domainneeded
"--domain-needed"
760 append_bool
"$cfg" filterwin2k
"--filterwin2k"
761 append_bool
"$cfg" nohosts
"--no-hosts"
762 append_bool
"$cfg" nonegcache
"--no-negcache"
763 append_bool
"$cfg" strictorder
"--strict-order"
764 append_bool
"$cfg" logqueries
"--log-queries=extra"
765 append_bool
"$cfg" noresolv
"--no-resolv"
766 append_bool
"$cfg" localise_queries
"--localise-queries"
767 append_bool
"$cfg" readethers
"--read-ethers"
768 append_bool
"$cfg" dbus
"--enable-dbus"
769 append_bool
"$cfg" expandhosts
"--expand-hosts"
770 config_get tftp_root
"$cfg" "tftp_root"
771 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
772 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
773 append_bool
"$cfg" nonwildcard
"--bind-dynamic"
774 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
775 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
776 append_bool
"$cfg" localservice
"--local-service"
777 append_bool
"$cfg" logdhcp
"--log-dhcp"
778 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
779 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
780 append_bool
"$cfg" allservers
"--all-servers"
781 append_bool
"$cfg" noping
"--no-ping"
783 append_parm
"$cfg" logfacility
"--log-facility"
784 append_parm
"$cfg" dhcpscript
"--dhcp-script"
785 append_parm
"$cfg" cachesize
"--cache-size"
786 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
787 append_parm
"$cfg" port
"--port"
788 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
789 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
790 append_parm
"$cfg" "queryport" "--query-port"
791 append_parm
"$cfg" "minport" "--min-port"
792 append_parm
"$cfg" "maxport" "--max-port"
793 append_parm
"$cfg" "domain" "--domain"
794 append_parm
"$cfg" "local" "--server"
795 config_list_foreach
"$cfg" "server" append_server
796 config_list_foreach
"$cfg" "address" append_address
797 config_list_foreach
"$cfg" "ipset" append_ipset
798 config_list_foreach
"$cfg" "interface" append_interface
799 config_list_foreach
"$cfg" "notinterface" append_notinterface
800 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
801 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
802 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
803 append_parm
"$cfg" "serversfile" "--servers-file"
804 append_parm
"$cfg" "tftp_root" "--tftp-root"
805 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
806 append_parm
"$cfg" "local_ttl" "--local-ttl"
807 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
808 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
809 config_get DOMAIN
"$cfg" domain
811 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
812 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
813 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
814 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
816 if [ -z "$ADD_LOCAL_FQDN" ] ; then
817 # maintain support for previous UCI
818 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
821 config_get_bool readethers
"$cfg" readethers
822 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
824 config_get dhcpscript
$cfg dhcpscript
826 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
827 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
828 config_get_bool cachelocal
"$cfg" cachelocal
1
830 config_get_bool noresolv
"$cfg" noresolv
0
831 if [ "$noresolv" != "1" ]; then
832 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
833 # So jail doesn't complain if file missing
834 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
837 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
839 config_get hostsfile
"$cfg" dhcphostsfile
840 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
843 config_get_bool rebind
"$cfg" rebind_protection
1
844 [ $rebind -gt 0 ] && {
846 "DNS rebinding protection is active," \
847 "will discard upstream RFC1918 responses!"
848 xappend
"--stop-dns-rebind"
850 local rebind_localhost
851 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
852 [ $rebind_localhost -gt 0 ] && {
853 log_once
"Allowing 127.0.0.0/8 responses"
854 xappend
"--rebind-localhost-ok"
857 append_rebind_domain
() {
858 log_once
"Allowing RFC1918 responses for domain $1"
859 xappend
"--rebind-domain-ok=$1"
862 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
865 config_get_bool dnssec
"$cfg" dnssec
0
866 [ "$dnssec" -gt 0 ] && {
867 xappend
"--conf-file=$TRUSTANCHORSFILE"
869 [ -x /etc
/init.d
/sysntpd
] && {
870 /etc
/init.d
/sysntpd enabled
871 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
872 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
875 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
878 config_get addmac
"$cfg" addmac
0
879 [ "$addmac" != "0" ] && {
880 [ "$addmac" = "1" ] && addmac
=
881 xappend
"--add-mac${addmac:+="$addmac"}"
884 dhcp_option_add
"$cfg" "" 0
886 xappend
"--dhcp-broadcast=tag:needs-broadcast"
888 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
890 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
891 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
892 xappend
"--conf-dir=$dnsmasqconfdir"
893 xappend
"--user=dnsmasq"
894 xappend
"--group=dnsmasq"
895 echo >> $CONFIGFILE_TMP
897 config_get_bool enable_tftp
"$cfg" enable_tftp
0
898 [ "$enable_tftp" -gt 0 ] && {
899 config_get tftp_root
"$cfg" tftp_root
900 append EXTRA_MOUNT
$tftp_root
903 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
904 echo >> $CONFIGFILE_TMP
905 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
906 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
907 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
908 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
909 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
910 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
911 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
912 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
913 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
914 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
915 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
916 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
918 echo >> $CONFIGFILE_TMP
919 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
920 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
921 echo >> $CONFIGFILE_TMP
923 config_get_bool boguspriv
"$cfg" boguspriv
1
924 [ "$boguspriv" -gt 0 ] && {
925 xappend
"--bogus-priv"
926 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
929 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
930 # Enable RA feature for when/if it is constructed,
931 # and RA is selected per interface pool (RA, DHCP, or both),
932 # but no one (should) want RA broadcast in syslog
933 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
934 xappend
"--enable-ra"
936 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
938 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
939 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
943 echo >> $CONFIGFILE_TMP
944 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
945 echo >> $CONFIGFILE_TMP
947 echo >> $CONFIGFILE_TMP
948 mv -f $CONFIGFILE_TMP $CONFIGFILE
950 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
951 rm -f /tmp
/resolv.conf
952 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
953 echo "search $DOMAIN" >> /tmp
/resolv.conf
955 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
956 for DNS_SERVER
in $DNS_SERVERS ; do
957 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
961 procd_open_instance
$cfg
962 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
963 procd_set_param
file $CONFIGFILE
964 procd_set_param respawn
966 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
967 if [ ! -r "$dnsmasqconffile" ]; then
968 dnsmasqconffile
=/etc
/dnsmasq.conf
971 procd_add_jail dnsmasq ubus log
972 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE /etc
/passwd
/etc
/group
/etc
/TZ
/dev
/null
/dev
/urandom
$dnsmasqconffile $dnsmasqconfdir $resolvfile $dhcpscript /etc
/hosts
/etc
/ethers
$EXTRA_MOUNT
973 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
982 config_get resolvfile
"$cfg" "resolvfile"
984 #relink /tmp/resolve.conf only for main instance
985 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
986 [ -f /tmp
/resolv.conf
] && {
987 rm -f /tmp
/resolv.conf
988 ln -s "$resolvfile" /tmp
/resolv.conf
992 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
997 procd_add_reload_trigger
"dhcp"
998 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1009 local instance_found
=0
1011 [ -n "$BOOT" ] && return
1013 .
/lib
/functions
/network.sh
1018 if [ "$type" = "dnsmasq" ]; then
1019 if [ -n "$instance" -a "$instance" = "$name" ]; then
1027 if [ -n "$instance" ]; then
1028 [ "$instance_found" -gt 0 ] ||
return
1029 dnsmasq_start
"$instance"
1031 config_foreach dnsmasq_start dnsmasq
1036 rc_procd start_service
"$@"
1042 local instance_found
=0
1047 if [ "$type" = "dnsmasq" ]; then
1048 if [ -n "$instance" -a "$instance" = "$name" ]; then
1056 if [ -n "$instance" ]; then
1057 [ "$instance_found" -gt 0 ] ||
return
1058 dnsmasq_stop
"$instance"
1060 config_foreach dnsmasq_stop dnsmasq