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"
21 DHCPSCRIPT
="/usr/lib/dnsmasq/dhcp-script.sh"
28 echo "${value#--}" >> $CONFIGFILE_TMP
33 local hex
="${2#0x}" # strip optional "0x" prefix
35 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
36 # is invalid hex literal
40 # convert into host id
43 $(((0x$hex >> 16) % 65536)) \
54 while [ -n "$ip" ]; do
57 res
="$(($res + $part))"
58 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
65 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
68 [ -s "$stamp" ] && return $
(cat "$stamp")
70 # If there's no carrier yet, skip this interface.
71 # The init script will be called again once the link is up
72 case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
76 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
80 "found already running DHCP-server on interface '$ifname'" \
81 "refusing to start, use 'option force 1' to override"
88 pidof dnsmasq
>/dev
/null || \
89 logger
-t dnsmasq
"$@"
95 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
96 [ -f "$file" ] && return 0
108 [ -z "$default" ] && default
="0"
109 config_get_bool _loctmp
"$section" "$option" "$default"
110 [ $_loctmp -gt 0 ] && xappend
"$value"
119 config_get _loctmp
"$section" "$option" "$default"
120 [ -z "$_loctmp" ] && return 0
121 xappend
"$switch=$_loctmp"
125 xappend
"--server=$1"
128 append_rev_server
() {
129 xappend
"--rev-server=$1"
133 xappend
"--address=$1"
141 network_get_device ifname
"$1" || ifname
="$1"
142 xappend
"--interface=$ifname"
145 append_listenaddress
() {
146 xappend
"--listen-address=$1"
149 append_notinterface
() {
150 network_get_device ifname
"$1" || ifname
="$1"
151 xappend
"--except-interface=$ifname"
155 xappend
"--addn-hosts=$1"
158 append_bogusnxdomain
() {
159 xappend
"--bogus-nxdomain=$1"
162 append_pxe_service
() {
163 xappend
"--pxe-service=$1"
166 append_interface_name
() {
167 xappend
"--interface-name=$1,$2"
171 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
173 # use entry when no instance entry set, or if it matches
174 config_get found_cfg
"$cfg" "instance"
175 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
180 dhcp_subscrid_add
() {
183 config_get networkid
"$cfg" networkid
184 [ -n "$networkid" ] ||
return 0
186 config_get subscriberid
"$cfg" subscriberid
187 [ -n "$subscriberid" ] ||
return 0
189 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
191 config_get_bool force
"$cfg" force
0
193 dhcp_option_add
"$cfg" "$networkid" "$force"
196 dhcp_remoteid_add
() {
199 config_get networkid
"$cfg" networkid
200 [ -n "$networkid" ] ||
return 0
202 config_get remoteid
"$cfg" remoteid
203 [ -n "$remoteid" ] ||
return 0
205 xappend
"--dhcp-remoteid=$networkid,$remoteid"
207 config_get_bool force
"$cfg" force
0
209 dhcp_option_add
"$cfg" "$networkid" "$force"
212 dhcp_circuitid_add
() {
213 # TODO: DHCPV6 does not have circuitid; catch "option6:"
216 config_get networkid
"$cfg" networkid
217 [ -n "$networkid" ] ||
return 0
219 config_get circuitid
"$cfg" circuitid
220 [ -n "$circuitid" ] ||
return 0
222 xappend
"--dhcp-circuitid=$networkid,$circuitid"
224 config_get_bool force
"$cfg" force
0
226 dhcp_option_add
"$cfg" "$networkid" "$force"
229 dhcp_userclass_add
() {
232 config_get networkid
"$cfg" networkid
233 [ -n "$networkid" ] ||
return 0
235 config_get userclass
"$cfg" userclass
236 [ -n "$userclass" ] ||
return 0
238 xappend
"--dhcp-userclass=$networkid,$userclass"
240 config_get_bool force
"$cfg" force
0
242 dhcp_option_add
"$cfg" "$networkid" "$force"
245 dhcp_vendorclass_add
() {
246 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
249 config_get networkid
"$cfg" networkid
250 [ -n "$networkid" ] ||
return 0
252 config_get vendorclass
"$cfg" vendorclass
253 [ -n "$vendorclass" ] ||
return 0
255 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
257 config_get_bool force
"$cfg" force
0
259 dhcp_option_add
"$cfg" "$networkid" "$force"
265 config_get networkid
"$cfg" networkid
266 [ -n "$networkid" ] ||
return 0
268 config_get match
"$cfg" match
269 [ -n "$match" ] ||
return 0
271 xappend
"--dhcp-match=$networkid,$match"
273 config_get_bool force
"$cfg" force
0
275 dhcp_option_add
"$cfg" "$networkid" "$force"
280 local hosttag nametime addrs duids macs tags
282 config_get_bool force
"$cfg" force
0
284 config_get networkid
"$cfg" networkid
285 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
287 config_get_bool
enable "$cfg" enable 1
288 [ "$enable" = "0" ] && return 0
290 config_get name
"$cfg" name
291 config_get ip
"$cfg" ip
292 config_get hostid
"$cfg" hostid
294 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
296 config_get_bool dns
"$cfg" dns
0
297 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
298 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
301 config_get mac
"$cfg" mac
302 config_get duid
"$cfg" duid
303 config_get tag
"$cfg" tag
305 if [ -n "$mac" ]; then
306 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
307 # many MAC are possible to track a laptop ON/OFF dock
308 for m
in $mac; do append macs
"$m" ","; done
311 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
312 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
313 # one (virtual) machine gets one DUID per RFC3315
314 duids
="id:${duid// */}"
317 if [ -z "$macs" -a -z "$duids" ]; then
318 # --dhcp-host=lap,192.168.0.199,[::beef]
319 [ -n "$name" ] ||
return 0
324 if [ -n "$hostid" ]; then
325 hex_to_hostid hostid
"$hostid"
328 if [ -n "$tag" ]; then
329 for t
in $tag; do append tags
"$t" ",set:"; done
332 config_get_bool broadcast
"$cfg" broadcast
0
333 config_get leasetime
"$cfg" leasetime
335 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
337 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
338 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
340 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
341 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
342 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
344 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
348 dhcp_this_host_add
() {
352 local routerstub routername ifdashname
353 local lanaddr lanaddr6 lanaddrs6 ulaprefix
355 if [ "$mode" -gt 0 ] ; then
356 ifdashname
="${ifname//./-}"
357 routerstub
="$( md5sum /etc/os-release )"
358 routerstub
="router-${routerstub// */}"
359 routername
="$( uci_get system @system[0] hostname $routerstub )"
361 if [ "$mode" -gt 1 ] ; then
362 if [ "$mode" -gt 2 ] ; then
363 if [ "$mode" -gt 3 ] ; then
364 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
367 append_interface_name
"$routername.$DOMAIN" "$ifname"
370 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
371 append_interface_name
"$routername" "$ifname"
374 # This uses a static host file entry for only limited addresses.
375 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
376 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
377 network_get_ipaddr lanaddr
"$net"
378 network_get_ipaddrs6 lanaddrs6
"$net"
380 if [ -n "$lanaddr" ] ; then
381 dhcp_domain_add
"" "$routername" "$lanaddr"
384 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
385 for lanaddr6
in $lanaddrs6 ; do
387 "${ulaprefix%%:/*}"*)
388 dhcp_domain_add
"" "$routername" "$lanaddr6"
398 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
403 [ -n "$tag" ] ||
return 0
405 config_get_bool force
"$cfg" force
0
406 [ "$force" = "0" ] && force
=
408 config_get option
"$cfg" dhcp_option
410 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
417 config_get networkid
"$cfg" networkid
418 [ -n "$networkid" ] ||
return 0
420 config_get mac
"$cfg" mac
421 [ -n "$mac" ] ||
return 0
423 xappend
"--dhcp-mac=$networkid,$mac"
425 dhcp_option_add
"$cfg" "$networkid"
429 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
432 config_get networkid
"$cfg" networkid
434 config_get filename
"$cfg" filename
435 [ -n "$filename" ] ||
return 0
437 config_get servername
"$cfg" servername
438 config_get serveraddress
"$cfg" serveraddress
440 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
442 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
444 config_get_bool force
"$cfg" force
0
446 dhcp_option_add
"$cfg" "$networkid" "$force"
452 local dhcp6range
="::"
456 config_get net
"$cfg" interface
457 [ -n "$net" ] ||
return 0
459 config_get networkid
"$cfg" networkid
460 [ -n "$networkid" ] || networkid
="$net"
462 network_get_device ifname
"$net" ||
return 0
464 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
465 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
468 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
469 # Many ISP do not have useful names for DHCP customers (your WAN).
470 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
474 network_get_subnet subnet
"$net" ||
return 0
475 network_get_protocol proto
"$net" ||
return 0
477 # Do not support non-static interfaces for now
478 [ static
= "$proto" ] ||
return 0
480 # Override interface netmask with dhcp config if applicable
481 config_get netmask
"$cfg" netmask
"${subnet##*/}"
483 #check for an already active dhcp server on the interface, unless 'force' is set
484 config_get_bool force
"$cfg" force
0
485 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
487 config_get start
"$cfg" start
100
488 config_get limit
"$cfg" limit
150
489 config_get leasetime
"$cfg" leasetime
12h
490 config_get options
"$cfg" options
491 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
493 config_get dhcpv4
"$cfg" dhcpv4
494 config_get dhcpv6
"$cfg" dhcpv6
496 config_get ra
"$cfg" ra
497 config_get ra_management
"$cfg" ra_management
498 config_get ra_preference
"$cfg" ra_preference
499 config_get dns
"$cfg" dns
501 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
503 # Put the router host name on this DHCP served interface address(es)
504 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
506 start
="$( dhcp_calc "$start" )"
509 tags
="${tags}tag:$1,"
511 config_list_foreach
"$cfg" tag add_tag
513 nettag
="${networkid:+set:${networkid},}"
515 if [ "$limit" -gt 0 ] ; then
519 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
521 if [ "$dynamicdhcp" = "0" ] ; then
523 dhcp6range
="::,static"
525 dhcp6range
="::1000,::ffff"
529 if [ "$dhcpv4" != "disabled" ] ; then
530 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
534 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
535 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
536 # and let some other machine(s) send RA pointing to it.
538 case $ra_preference in
540 xappend
"--ra-param=$ifname,high,0,7200"
543 xappend
"--ra-param=$ifname,low,0,7200"
546 # Send UNSOLICITED RA at default interval and live for 2 hours.
547 # TODO: convert flexible lease time into route life time (only seconds).
548 xappend
"--ra-param=$ifname,0,7200"
552 if [ "$dhcpv6" = "disabled" ] ; then
557 case $ra_management in
559 # SLACC with DCHP for extended options
560 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
563 # DHCP address and RA only for management redirection
564 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
567 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
568 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
571 # SLAAC and full DHCP
572 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
576 if [ -n "$dns" ]; then
578 for d
in $dns; do append dnss
"[$d]" ","; done
583 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
586 dhcp_option_add
"$cfg" "$networkid" 0
587 dhcp_option_add
"$cfg" "$networkid" 2
590 dhcp_option_append
() {
595 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
599 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
603 local opt
="dhcp_option"
605 [ "$force" = "0" ] && force
=
606 [ "$force" = "2" ] && opt
="dhcp_option_force"
609 config_get list_len
"$cfg" "${opt}_LENGTH"
611 if [ -n "$list_len" ]; then
612 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
614 config_get dhcp_option
"$cfg" "$opt"
616 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
619 for option
in $dhcp_option; do
620 dhcp_option_append
"$option" "$networkid" "$force"
627 local ip name names record
629 config_get names
"$cfg" name
"$2"
630 [ -n "$names" ] ||
return 0
632 config_get ip
"$cfg" ip
"$3"
633 [ -n "$ip" ] ||
return 0
635 for name
in $names; do
636 record
="${record:+$record }$name"
639 echo "$ip $record" >> $HOSTFILE
645 config_get srv
"$cfg" srv
646 [ -n "$srv" ] ||
return 0
648 config_get target
"$cfg" target
649 [ -n "$target" ] ||
return 0
651 config_get port
"$cfg" port
652 [ -n "$port" ] ||
return 0
654 config_get class
"$cfg" class
655 config_get weight
"$cfg" weight
657 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
659 xappend
"--srv-host=$service"
664 local domain relay pref
666 config_get domain
"$cfg" domain
667 [ -n "$domain" ] ||
return 0
669 config_get relay
"$cfg" relay
670 [ -n "$relay" ] ||
return 0
672 config_get pref
"$cfg" pref
0
674 local service
="$domain,$relay,$pref"
676 xappend
"--mx-host=$service"
683 config_get cname
"$cfg" cname
684 [ -n "$cname" ] ||
return 0
686 config_get target
"$cfg" target
687 [ -n "$target" ] ||
return 0
689 xappend
"--cname=${cname},${target}"
692 dhcp_hostrecord_add
() {
694 local names addresses record val
696 config_get names
"$cfg" name
"$2"
697 if [ -z "$names" ]; then
701 config_get addresses
"$cfg" ip
"$3"
702 if [ -z "$addresses" ]; then
706 for val
in $names $addresses; do
707 record
="${record:+$record,}$val"
710 xappend
"--host-record=$record"
715 local local_addr server_addr interface
717 config_get local_addr
"$cfg" local_addr
718 [ -n "$local_addr" ] ||
return 0
720 config_get server_addr
"$cfg" server_addr
721 [ -n "$server_addr" ] ||
return 0
723 config_get interface
"$cfg" interface
724 if [ -z "$interface" ]; then
725 xappend
"--dhcp-relay=$local_addr,$server_addr"
727 network_get_device ifname
"$interface" ||
return
728 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
734 local cfg
="$1" disabled resolvfile user_dhcpscript
736 config_get_bool disabled
"$cfg" disabled
0
737 [ "$disabled" -gt 0 ] && return 0
739 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
742 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
743 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
744 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
745 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
746 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
748 # before we can call xappend
749 mkdir
-p /var
/run
/dnsmasq
/
750 mkdir
-p $
(dirname $CONFIGFILE)
751 mkdir
-p $
(dirname $HOSTFILE)
752 mkdir
-p /var
/lib
/misc
753 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
755 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
757 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
758 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
760 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
761 if [ ! -r "$dnsmasqconffile" ]; then
762 dnsmasqconffile
=/etc
/dnsmasq.conf
765 # if we did this last, we could override auto-generated config
766 [ -f "${dnsmasqconffile}" ] && {
767 xappend
"--conf-file=${dnsmasqconffile}"
770 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
773 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
774 local odhcpd_is_main odhcpd_is_enabled
775 config_get odhcpd_is_main odhcpd maindhcp
0
776 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
779 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
780 # DHCP V4 and V6 in DNSMASQ
782 elif [ "$odhcpd_is_main" -gt 0 ] ; then
783 # ODHCPD is doing it all
786 # You have ODHCPD but use DNSMASQ for DHCPV4
790 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
791 # DHCP V4 and V6 in DNSMASQ
797 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
798 if [ -x /usr
/sbin
/dhcpd
] ; then
799 if [ -x /etc
/init.d
/dhcpd
] ; then
800 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
802 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
803 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
807 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
808 append_bool
"$cfg" nodaemon
"--no-daemon"
809 append_bool
"$cfg" domainneeded
"--domain-needed"
810 append_bool
"$cfg" filterwin2k
"--filterwin2k"
811 append_bool
"$cfg" nohosts
"--no-hosts"
812 append_bool
"$cfg" nonegcache
"--no-negcache"
813 append_bool
"$cfg" strictorder
"--strict-order"
814 append_bool
"$cfg" logqueries
"--log-queries=extra"
815 append_bool
"$cfg" noresolv
"--no-resolv"
816 append_bool
"$cfg" localise_queries
"--localise-queries"
817 append_bool
"$cfg" readethers
"--read-ethers"
818 append_bool
"$cfg" dbus
"--enable-dbus"
819 append_bool
"$cfg" expandhosts
"--expand-hosts"
820 config_get tftp_root
"$cfg" "tftp_root"
821 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
822 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
823 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
824 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
825 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
826 append_bool
"$cfg" localservice
"--local-service"
827 append_bool
"$cfg" logdhcp
"--log-dhcp"
828 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
829 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
830 append_bool
"$cfg" allservers
"--all-servers"
831 append_bool
"$cfg" noping
"--no-ping"
833 append_parm
"$cfg" logfacility
"--log-facility"
835 append_parm
"$cfg" cachesize
"--cache-size"
836 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
837 append_parm
"$cfg" port
"--port"
838 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
839 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
840 append_parm
"$cfg" "queryport" "--query-port"
841 append_parm
"$cfg" "minport" "--min-port"
842 append_parm
"$cfg" "maxport" "--max-port"
843 append_parm
"$cfg" "domain" "--domain"
844 append_parm
"$cfg" "local" "--server"
845 config_list_foreach
"$cfg" "listen_address" append_listenaddress
846 config_list_foreach
"$cfg" "server" append_server
847 config_list_foreach
"$cfg" "rev_server" append_rev_server
848 config_list_foreach
"$cfg" "address" append_address
849 config_list_foreach
"$cfg" "ipset" append_ipset
850 config_list_foreach
"$cfg" "interface" append_interface
851 config_list_foreach
"$cfg" "notinterface" append_notinterface
852 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
853 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
854 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
855 append_parm
"$cfg" "serversfile" "--servers-file"
856 append_parm
"$cfg" "tftp_root" "--tftp-root"
857 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
858 append_parm
"$cfg" "local_ttl" "--local-ttl"
859 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
860 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
861 config_get DOMAIN
"$cfg" domain
863 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
864 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
865 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
866 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
868 if [ -z "$ADD_LOCAL_FQDN" ] ; then
869 # maintain support for previous UCI
870 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
873 config_get_bool readethers
"$cfg" readethers
874 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
876 config_get user_dhcpscript
$cfg dhcpscript
877 if has_handler ||
[ -n "$user_dhcpscript" ]; then
878 xappend
"--dhcp-script=$DHCPSCRIPT"
881 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
882 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
883 config_get_bool cachelocal
"$cfg" cachelocal
1
885 config_get_bool noresolv
"$cfg" noresolv
0
886 if [ "$noresolv" != "1" ]; then
887 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
888 # So jail doesn't complain if file missing
889 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
892 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
894 config_get hostsfile
"$cfg" dhcphostsfile
895 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
898 config_get_bool rebind
"$cfg" rebind_protection
1
899 [ $rebind -gt 0 ] && {
901 "DNS rebinding protection is active," \
902 "will discard upstream RFC1918 responses!"
903 xappend
"--stop-dns-rebind"
905 local rebind_localhost
906 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
907 [ $rebind_localhost -gt 0 ] && {
908 log_once
"Allowing 127.0.0.0/8 responses"
909 xappend
"--rebind-localhost-ok"
912 append_rebind_domain
() {
913 log_once
"Allowing RFC1918 responses for domain $1"
914 xappend
"--rebind-domain-ok=$1"
917 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
920 config_get_bool dnssec
"$cfg" dnssec
0
921 [ "$dnssec" -gt 0 ] && {
922 xappend
"--conf-file=$TRUSTANCHORSFILE"
924 [ -x /etc
/init.d
/sysntpd
] && {
925 /etc
/init.d
/sysntpd enabled
926 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
927 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
930 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
933 config_get addmac
"$cfg" addmac
0
934 [ "$addmac" != "0" ] && {
935 [ "$addmac" = "1" ] && addmac
=
936 xappend
"--add-mac${addmac:+="$addmac"}"
939 dhcp_option_add
"$cfg" "" 0
940 dhcp_option_add
"$cfg" "" 2
942 xappend
"--dhcp-broadcast=tag:needs-broadcast"
944 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
946 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
947 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
948 xappend
"--conf-dir=$dnsmasqconfdir"
949 xappend
"--user=dnsmasq"
950 xappend
"--group=dnsmasq"
951 echo >> $CONFIGFILE_TMP
953 config_get_bool enable_tftp
"$cfg" enable_tftp
0
954 [ "$enable_tftp" -gt 0 ] && {
955 config_get tftp_root
"$cfg" tftp_root
956 append EXTRA_MOUNT
$tftp_root
959 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
960 echo >> $CONFIGFILE_TMP
961 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
962 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
963 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
964 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
965 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
966 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
967 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
968 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
969 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
970 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
971 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
972 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
974 echo >> $CONFIGFILE_TMP
975 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
976 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
977 echo >> $CONFIGFILE_TMP
979 config_get_bool boguspriv
"$cfg" boguspriv
1
980 [ "$boguspriv" -gt 0 ] && {
981 xappend
"--bogus-priv"
982 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
985 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
986 # Enable RA feature for when/if it is constructed,
987 # and RA is selected per interface pool (RA, DHCP, or both),
988 # but no one (should) want RA broadcast in syslog
989 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
990 xappend
"--enable-ra"
992 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
994 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
995 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
999 echo >> $CONFIGFILE_TMP
1000 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1001 echo >> $CONFIGFILE_TMP
1003 echo >> $CONFIGFILE_TMP
1004 mv -f $CONFIGFILE_TMP $CONFIGFILE
1006 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1007 rm -f /tmp
/resolv.conf
1008 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1009 echo "search $DOMAIN" >> /tmp
/resolv.conf
1011 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1012 for DNS_SERVER
in $DNS_SERVERS ; do
1013 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1017 procd_open_instance
$cfg
1018 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1019 procd_set_param
file $CONFIGFILE
1020 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1021 procd_set_param respawn
1023 procd_add_jail dnsmasq ubus log
1024 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE /etc
/passwd
/etc
/group
/etc
/TZ
/dev
/null
/dev
/urandom
$dnsmasqconffile $dnsmasqconfdir $resolvfile $user_dhcpscript /etc
/hosts
/etc
/ethers
/sbin
/hotplug-call
$EXTRA_MOUNT $DHCPSCRIPT
1025 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1027 procd_close_instance
1034 config_get resolvfile
"$cfg" "resolvfile"
1036 #relink /tmp/resolve.conf only for main instance
1037 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1038 [ -f /tmp
/resolv.conf
] && {
1039 rm -f /tmp
/resolv.conf
1040 ln -s "$resolvfile" /tmp
/resolv.conf
1044 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1049 procd_add_reload_trigger
"dhcp"
1050 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1061 local instance_found
=0
1063 [ -n "$BOOT" ] && return
1065 .
/lib
/functions
/network.sh
1070 if [ "$type" = "dnsmasq" ]; then
1071 if [ -n "$instance" -a "$instance" = "$name" ]; then
1079 if [ -n "$instance" ]; then
1080 [ "$instance_found" -gt 0 ] ||
return
1081 dnsmasq_start
"$instance"
1083 config_foreach dnsmasq_start dnsmasq
1088 rc_procd start_service
"$@"
1094 local instance_found
=0
1099 if [ "$type" = "dnsmasq" ]; then
1100 if [ -n "$instance" -a "$instance" = "$name" ]; then
1108 if [ -n "$instance" ]; then
1109 [ "$instance_found" -gt 0 ] ||
return
1110 dnsmasq_stop
"$instance"
1112 config_foreach dnsmasq_stop dnsmasq