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
473 config_get dns "$cfg" dns
475 config_list_foreach "$cfg" "interface_name" append_interface_name "$ifname"
477 # Put the router host name on this DHCP served interface address(es)
478 dhcp_this_host_add "$net" "$ifname" "$ADD_LOCAL_FQDN"
480 start="$( dhcp_calc "$start" )"
481 nettag="${networkid:+set:${networkid},}"
483 if [ "$limit" -gt 0 ] ; then
487 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
489 if [ "$dynamicdhcp" = "0" ] ; then
491 dhcp6range="::,static"
493 dhcp6range="::1000,::ffff"
497 if [ "$dhcpv4" != "disabled" ] ; then
498 xappend "--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
502 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
503 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
504 # and let some other machine(s) send RA pointing to it.
506 case $ra_preference in
508 xappend "--ra-param=$ifname,high,0,7200"
511 xappend "--ra-param=$ifname,low,0,7200"
514 # Send UNSOLICITED RA at default interval and live for 2 hours.
515 # TODO: convert flexible lease time into route life time (only seconds).
516 xappend "--ra-param=$ifname,0,7200"
520 if [ "$dhcpv6" = "disabled" ] ; then
525 case $ra_management in
527 # SLACC with DCHP for extended options
528 xappend "--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
531 # DHCP address and RA only for management redirection
532 xappend "--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
535 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
536 xappend "--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
539 # SLAAC and full DHCP
540 xappend "--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
544 if [ -n "$dns" ]; then
546 for d in $dns; do append dnss "[$d]" ","; done
551 dhcp_option_append "option6:dns-server,$dnss" "$networkid"
554 dhcp_option_add "$cfg" "$networkid"
557 dhcp_option_append() {
562 xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
566 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
571 [ "$force" = "0" ] && force=
574 config_get list_len "$cfg" dhcp_option_LENGTH
576 if [ -n "$list_len" ]; then
577 config_list_foreach "$cfg" dhcp_option dhcp_option_append "$networkid" "$force"
579 config_get dhcp_option "$cfg" dhcp_option
581 [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
584 for option in $dhcp_option; do
585 dhcp_option_append "$option" "$networkid" "$force"
592 local ip name names record
594 config_get names "$cfg" name "$2"
595 [ -n "$names" ] || return 0
597 config_get ip "$cfg" ip "$3"
598 [ -n "$ip" ] || return 0
600 for name in $names; do
601 record="${record:+$record }$name"
604 echo "$ip $record" >> $HOSTFILE
610 config_get srv "$cfg" srv
611 [ -n "$srv" ] || return 0
613 config_get target "$cfg" target
614 [ -n "$target" ] || return 0
616 config_get port "$cfg" port
617 [ -n "$port" ] || return 0
619 config_get class "$cfg" class
620 config_get weight "$cfg" weight
622 local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
624 xappend "--srv-host=$service"
629 local domain relay pref
631 config_get domain "$cfg" domain
632 [ -n "$domain" ] || return 0
634 config_get relay "$cfg" relay
635 [ -n "$relay" ] || return 0
637 config_get pref "$cfg" pref 0
639 local service="$domain,$relay,$pref"
641 xappend "--mx-host=$service"
648 config_get cname "$cfg" cname
649 [ -n "$cname" ] || return 0
651 config_get target "$cfg" target
652 [ -n "$target" ] || return 0
654 xappend "--cname=${cname},${target}"
657 dhcp_hostrecord_add() {
659 local names addresses record val
661 config_get names "$cfg" name "$2"
662 if [ -z "$names" ]; then
666 config_get addresses "$cfg" ip "$3"
667 if [ -z "$addresses" ]; then
671 for val in $names $addresses; do
672 record="${record:+$record,}$val"
675 xappend "--host-record=$record"
680 local local_addr server_addr interface
682 config_get local_addr "$cfg" local_addr
683 [ -n "$local_addr" ] || return 0
685 config_get server_addr "$cfg" server_addr
686 [ -n "$server_addr" ] || return 0
688 config_get interface "$cfg" interface
689 if [ -z "$interface" ]; then
690 xappend "--dhcp-relay=$local_addr,$server_addr"
692 network_get_device ifname "$interface" || return
693 xappend "--dhcp-relay=$local_addr,$server_addr,$ifname"
699 local cfg="$1" disabled resolvfile
701 config_get_bool disabled "$cfg" disabled 0
702 [ "$disabled" -gt 0 ] && return 0
704 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
707 CONFIGFILE="${BASECONFIGFILE}.${cfg}"
708 CONFIGFILE_TMP="${CONFIGFILE}.$$"
709 HOSTFILE="${BASEHOSTFILE}.${cfg}"
710 TIMESTAMPFILE="${BASETIMESTAMPFILE}.${cfg}"
711 BASEDHCPSTAMPFILE_CFG="${BASEDHCPSTAMPFILE}.${cfg}"
713 # before we can call xappend
714 mkdir -p /var/run/dnsmasq/
715 mkdir -p $(dirname $CONFIGFILE)
716 mkdir -p $(dirname $HOSTFILE)
717 mkdir -p /var/lib/misc
718 chown dnsmasq:dnsmasq /var/run/dnsmasq
720 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
722 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
723 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
725 # if we did this last, we could override auto-generated config
726 [ -f /etc/dnsmasq.conf ] && {
727 xappend "--conf-file=/etc/dnsmasq.conf"
730 $PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE=1 || DHCPv6CAPABLE=0
733 if [ -x /usr/sbin/odhcpd -a -x /etc/init.d/odhcpd ] ; then
734 local odhcpd_is_main odhcpd_is_enabled
735 config_get odhcpd_is_main odhcpd maindhcp 0
736 /etc/init.d/odhcpd enabled && odhcpd_is_enabled=1 || odhcpd_is_enabled=0
739 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
740 # DHCP V4 and V6 in DNSMASQ
742 elif [ "$odhcpd_is_main" -gt 0 ] ; then
743 # ODHCPD is doing it all
746 # You have ODHCPD but use DNSMASQ for DHCPV4
750 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
751 # DHCP V4 and V6 in DNSMASQ
757 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
758 if [ -x /usr/sbin/dhcpd ] ; then
759 if [ -x /etc/init.d/dhcpd ] ; then
760 /etc/init.d/dhcpd enabled && DNSMASQ_DHCP_VER=0
762 if [ -x /etc/init.d/dhcpd6 -a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
763 /etc/init.d/dhcpd6 enabled && DNSMASQ_DHCP_VER=4
767 append_bool "$cfg" authoritative "--dhcp-authoritative"
768 append_bool "$cfg" nodaemon "--no-daemon"
769 append_bool "$cfg" domainneeded "--domain-needed"
770 append_bool "$cfg" filterwin2k "--filterwin2k"
771 append_bool "$cfg" nohosts "--no-hosts"
772 append_bool "$cfg" nonegcache "--no-negcache"
773 append_bool "$cfg" strictorder "--strict-order"
774 append_bool "$cfg" logqueries "--log-queries=extra"
775 append_bool "$cfg" noresolv "--no-resolv"
776 append_bool "$cfg" localise_queries "--localise-queries"
777 append_bool "$cfg" readethers "--read-ethers"
778 append_bool "$cfg" dbus "--enable-dbus"
779 append_bool "$cfg" expandhosts "--expand-hosts"
780 config_get tftp_root "$cfg" "tftp_root"
781 [ -n "$tftp_root" ] && mkdir -p "$tftp_root" && append_bool "$cfg" enable_tftp "--enable-tftp"
782 append_bool "$cfg" tftp_no_fail "--tftp-no-fail"
783 append_bool "$cfg" nonwildcard "--bind-dynamic"
784 append_bool "$cfg" fqdn "--dhcp-fqdn"
785 append_bool "$cfg" proxydnssec "--proxy-dnssec"
786 append_bool "$cfg" localservice "--local-service"
787 append_bool "$cfg" logdhcp "--log-dhcp"
788 append_bool "$cfg" quietdhcp "--quiet-dhcp"
789 append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
790 append_bool "$cfg" allservers "--all-servers"
791 append_bool "$cfg" noping "--no-ping"
793 append_parm "$cfg" logfacility "--log-facility"
794 append_parm "$cfg" dhcpscript "--dhcp-script"
795 append_parm "$cfg" cachesize "--cache-size"
796 append_parm "$cfg" dnsforwardmax "--dns-forward-max"
797 append_parm "$cfg" port "--port"
798 append_parm "$cfg" ednspacket_max "--edns-packet-max"
799 append_parm "$cfg" dhcpleasemax "--dhcp-lease-max"
800 append_parm "$cfg" "queryport" "--query-port"
801 append_parm "$cfg" "minport" "--min-port"
802 append_parm "$cfg" "maxport" "--max-port"
803 append_parm "$cfg" "domain" "--domain"
804 append_parm "$cfg" "local" "--server"
805 config_list_foreach "$cfg" "server" append_server
806 config_list_foreach "$cfg" "address" append_address
807 config_list_foreach "$cfg" "ipset" append_ipset
808 config_list_foreach "$cfg" "interface" append_interface
809 config_list_foreach "$cfg" "notinterface" append_notinterface
810 config_list_foreach "$cfg" "addnhosts" append_addnhosts
811 config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
812 append_parm "$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
813 append_parm "$cfg" "serversfile" "--servers-file"
814 append_parm "$cfg" "tftp_root" "--tftp-root"
815 append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
816 append_parm "$cfg" "local_ttl" "--local-ttl"
817 append_parm "$cfg" "pxe_prompt" "--pxe-prompt"
818 config_list_foreach "$cfg" "pxe_service" append_pxe_service
819 config_get DOMAIN "$cfg" domain
821 config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1
822 config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1
823 config_get ADD_LOCAL_FQDN "$cfg" add_local_fqdn ""
824 config_get ADD_WAN_FQDN "$cfg" add_wan_fqdn 0
826 if [ -z "$ADD_LOCAL_FQDN" ] ; then
827 # maintain support for previous UCI
828 ADD_LOCAL_FQDN="$ADD_LOCAL_HOSTNAME"
831 config_get_bool readethers "$cfg" readethers
832 [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
834 config_get dhcpscript $cfg dhcpscript
836 config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
837 [ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
838 config_get_bool cachelocal "$cfg" cachelocal 1
840 config_get_bool noresolv "$cfg" noresolv 0
841 if [ "$noresolv" != "1" ]; then
842 config_get resolvfile "$cfg" resolvfile "/tmp/resolv.conf.auto"
843 # So jail doesn't complain if file missing
844 [ -n "$resolvfile" -a \! -e "$resolvfile" ] && touch "$resolvfile"
847 [ -n "$resolvfile" ] && xappend "--resolv-file=$resolvfile"
849 config_get hostsfile "$cfg" dhcphostsfile
850 [ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
853 config_get_bool rebind "$cfg" rebind_protection 1
854 [ $rebind -gt 0 ] && {
856 "DNS rebinding protection is active," \
857 "will discard upstream RFC1918 responses!"
858 xappend "--stop-dns-rebind"
860 local rebind_localhost
861 config_get_bool rebind_localhost "$cfg" rebind_localhost 0
862 [ $rebind_localhost -gt 0 ] && {
863 log_once "Allowing 127.0.0.0/8 responses"
864 xappend "--rebind-localhost-ok"
867 append_rebind_domain() {
868 log_once "Allowing RFC1918 responses for domain $1"
869 xappend "--rebind-domain-ok=$1"
872 config_list_foreach "$cfg" rebind_domain append_rebind_domain
875 config_get_bool dnssec "$cfg" dnssec 0
876 [ "$dnssec" -gt 0 ] && {
877 xappend "--conf-file=$TRUSTANCHORSFILE"
879 [ -x /etc/init.d/sysntpd ] && {
880 /etc/init.d/sysntpd enabled
881 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
882 [ -f "$TIMEVALIDFILE" ] || xappend "--dnssec-no-timecheck"
885 append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
888 config_get addmac "$cfg" addmac 0
889 [ "$addmac" != "0" ] && {
890 [ "$addmac" = "1" ] && addmac=
891 xappend "--add-mac${addmac:+="$addmac"}"
894 dhcp_option_add "$cfg" "" 0
896 xappend "--dhcp-broadcast=tag:needs-broadcast"
898 xappend "--addn-hosts=$(dirname $HOSTFILE)"
900 config_get dnsmasqconfdir "$cfg" confdir "/tmp/dnsmasq.d"
901 [ ! -d "$dnsmasqconfdir" ] && mkdir -p $dnsmasqconfdir
902 xappend "--conf-dir=$dnsmasqconfdir"
903 xappend "--user=dnsmasq"
904 xappend "--group=dnsmasq"
905 echo >> $CONFIGFILE_TMP
907 config_get_bool enable_tftp "$cfg" enable_tftp 0
908 [ "$enable_tftp" -gt 0 ] && {
909 config_get tftp_root "$cfg" tftp_root
910 append EXTRA_MOUNT $tftp_root
913 config_foreach filter_dnsmasq host dhcp_host_add "$cfg"
914 echo >> $CONFIGFILE_TMP
915 config_foreach filter_dnsmasq boot dhcp_boot_add "$cfg"
916 config_foreach filter_dnsmasq mac dhcp_mac_add "$cfg"
917 config_foreach filter_dnsmasq tag dhcp_tag_add "$cfg"
918 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add "$cfg"
919 config_foreach filter_dnsmasq userclass dhcp_userclass_add "$cfg"
920 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add "$cfg"
921 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add "$cfg"
922 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add "$cfg"
923 config_foreach filter_dnsmasq match dhcp_match_add "$cfg"
924 config_foreach filter_dnsmasq domain dhcp_domain_add "$cfg"
925 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add "$cfg"
926 config_foreach filter_dnsmasq relay dhcp_relay_add "$cfg"
928 echo >> $CONFIGFILE_TMP
929 config_foreach filter_dnsmasq srvhost dhcp_srv_add "$cfg"
930 config_foreach filter_dnsmasq mxhost dhcp_mx_add "$cfg"
931 echo >> $CONFIGFILE_TMP
933 config_get_bool boguspriv "$cfg" boguspriv 1
934 [ "$boguspriv" -gt 0 ] && {
935 xappend "--bogus-priv"
936 [ -r "$RFC6761FILE" ] && xappend "--conf-file=$RFC6761FILE"
939 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
940 # Enable RA feature for when/if it is constructed,
941 # and RA is selected per interface pool (RA, DHCP, or both),
942 # but no one (should) want RA broadcast in syslog
943 config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
944 xappend "--enable-ra"
946 append_bool "$cfg" quietdhcp "--quiet-dhcp6"
948 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
949 config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
953 echo >> $CONFIGFILE_TMP
954 config_foreach filter_dnsmasq cname dhcp_cname_add "$cfg"
955 echo >> $CONFIGFILE_TMP
957 echo >> $CONFIGFILE_TMP
958 mv -f $CONFIGFILE_TMP $CONFIGFILE
960 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
961 rm -f /tmp/resolv.conf
962 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
963 echo "search $DOMAIN" >> /tmp/resolv.conf
965 DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
966 for DNS_SERVER in $DNS_SERVERS ; do
967 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
971 procd_open_instance $cfg
972 procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq."${cfg}".pid
973 procd_set_param file $CONFIGFILE
974 procd_set_param respawn
976 local dnsmasqconffile="/etc/dnsmasq.${cfg}.conf"
977 if [ ! -r "$dnsmasqconffile" ]; then
978 dnsmasqconffile=/etc/dnsmasq.conf
981 procd_add_jail dnsmasq ubus log
982 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
983 procd_add_jail_mount_rw /var/run/dnsmasq/ $leasefile
992 config_get resolvfile "$cfg" "resolvfile"
994 #relink /tmp/resolve.conf only for main instance
995 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
996 [ -f /tmp/resolv.conf ] && {
997 rm -f /tmp/resolv.conf
998 ln -s "$resolvfile" /tmp/resolv.conf
1002 rm -f ${BASEDHCPSTAMPFILE}.${cfg}.*.dhcp
1007 procd_add_reload_trigger "dhcp"
1008 procd_add_raw_trigger "interface.*" 2000 /etc/init.d/dnsmasq reload
1019 local instance_found=0
1021 [ -n "$BOOT" ] && return
1023 . /lib/functions/network.sh
1028 if [ "$type" = "dnsmasq" ]; then
1029 if [ -n "$instance" -a "$instance" = "$name" ]; then
1037 if [ -n "$instance" ]; then
1038 [ "$instance_found" -gt 0 ] || return
1039 dnsmasq_start "$instance"
1041 config_foreach dnsmasq_start dnsmasq
1046 rc_procd start_service "$@"
1052 local instance_found=0
1057 if [ "$type" = "dnsmasq" ]; then
1058 if [ -n "$instance" -a "$instance" = "$name" ]; then
1066 if [ -n "$instance" ]; then
1067 [ "$instance_found" -gt 0 ] || return
1068 dnsmasq_stop "$instance"
1070 config_foreach dnsmasq_stop dnsmasq