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 '$ifname'" \
81 "refusing to start, use 'option force 1' to override"
88 pidof dnsmasq
>/dev
/null || \
89 logger
-t dnsmasq
"$@"
97 config_get_bool _loctmp
"$section" "$option" 0
98 [ $_loctmp -gt 0 ] && xappend
"$value"
107 config_get _loctmp
"$section" "$option" "$default"
108 [ -z "$_loctmp" ] && return 0
109 xappend
"$switch=$_loctmp"
113 xappend
"--server=$1"
117 xappend
"--address=$1"
125 network_get_device ifname
"$1" ||
return
126 xappend
"--interface=$ifname"
129 append_notinterface
() {
130 network_get_device ifname
"$1" ||
return
131 xappend
"--except-interface=$ifname"
135 xappend
"--addn-hosts=$1"
138 append_bogusnxdomain
() {
139 xappend
"--bogus-nxdomain=$1"
142 append_pxe_service
() {
143 xappend
"--pxe-service=$1"
146 append_interface_name
() {
147 xappend
"--interface-name=$1,$2"
151 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
153 # use entry when no instance entry set, or if it matches
154 config_get found_cfg
"$cfg" "instance"
155 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
160 dhcp_subscrid_add
() {
163 config_get networkid
"$cfg" networkid
164 [ -n "$networkid" ] ||
return 0
166 config_get subscriberid
"$cfg" subscriberid
167 [ -n "$subscriberid" ] ||
return 0
169 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
171 config_get_bool force
"$cfg" force
0
173 dhcp_option_add
"$cfg" "$networkid" "$force"
176 dhcp_remoteid_add
() {
179 config_get networkid
"$cfg" networkid
180 [ -n "$networkid" ] ||
return 0
182 config_get remoteid
"$cfg" remoteid
183 [ -n "$remoteid" ] ||
return 0
185 xappend
"--dhcp-remoteid=$networkid,$remoteid"
187 config_get_bool force
"$cfg" force
0
189 dhcp_option_add
"$cfg" "$networkid" "$force"
192 dhcp_circuitid_add
() {
193 # TODO: DHCPV6 does not have circuitid; catch "option6:"
196 config_get networkid
"$cfg" networkid
197 [ -n "$networkid" ] ||
return 0
199 config_get circuitid
"$cfg" circuitid
200 [ -n "$circuitid" ] ||
return 0
202 xappend
"--dhcp-circuitid=$networkid,$circuitid"
204 config_get_bool force
"$cfg" force
0
206 dhcp_option_add
"$cfg" "$networkid" "$force"
209 dhcp_userclass_add
() {
212 config_get networkid
"$cfg" networkid
213 [ -n "$networkid" ] ||
return 0
215 config_get userclass
"$cfg" userclass
216 [ -n "$userclass" ] ||
return 0
218 xappend
"--dhcp-userclass=$networkid,$userclass"
220 config_get_bool force
"$cfg" force
0
222 dhcp_option_add
"$cfg" "$networkid" "$force"
225 dhcp_vendorclass_add
() {
226 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
229 config_get networkid
"$cfg" networkid
230 [ -n "$networkid" ] ||
return 0
232 config_get vendorclass
"$cfg" vendorclass
233 [ -n "$vendorclass" ] ||
return 0
235 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
237 config_get_bool force
"$cfg" force
0
239 dhcp_option_add
"$cfg" "$networkid" "$force"
245 config_get networkid
"$cfg" networkid
246 [ -n "$networkid" ] ||
return 0
248 config_get match
"$cfg" match
249 [ -n "$match" ] ||
return 0
251 xappend
"--dhcp-match=$networkid,$match"
253 config_get_bool force
"$cfg" force
0
255 dhcp_option_add
"$cfg" "$networkid" "$force"
260 local hosttag nametime addrs duids
262 config_get_bool force
"$cfg" force
0
264 config_get networkid
"$cfg" networkid
265 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
267 config_get_bool
enable "$cfg" enable 1
268 [ "$enable" = "0" ] && return 0
270 config_get name
"$cfg" name
271 config_get ip
"$cfg" ip
272 config_get hostid
"$cfg" hostid
274 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
276 config_get_bool dns
"$cfg" dns
0
277 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
278 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
281 config_get mac
"$cfg" mac
282 config_get duid
"$cfg" duid
283 config_get tag
"$cfg" tag
285 if [ -n "$mac" ]; then
286 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
287 # many MAC are possible to track a laptop ON/OFF dock
289 for m
in $mac; do append macs
"$m" ","; done
292 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
293 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
294 # one (virtual) machine gets one DUID per RFC3315
295 duids
="id:${duid// */}"
298 if [ -z "$macs" -a -z "$duids" ]; then
299 # --dhcp-host=lap,192.168.0.199,[::beef]
300 [ -n "$name" ] ||
return 0
305 if [ -n "$hostid" ]; then
306 hex_to_hostid hostid
"$hostid"
309 config_get_bool broadcast
"$cfg" broadcast
0
310 config_get leasetime
"$cfg" leasetime
312 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
314 hosttag
="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
315 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
317 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
318 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
319 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
321 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
325 dhcp_this_host_add
() {
329 local routerstub routername ifdashname
330 local lanaddr lanaddr6 lanaddrs6 ulaprefix
332 if [ "$mode" -gt 0 ] ; then
333 ifdashname
="${ifname//./-}"
334 routerstub
="$( md5sum /etc/os-release )"
335 routerstub
="router-${routerstub// */}"
336 routername
="$( uci_get system @system[0] hostname $routerstub )"
338 if [ "$mode" -gt 1 ] ; then
339 if [ "$mode" -gt 2 ] ; then
340 if [ "$mode" -gt 3 ] ; then
341 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
344 append_interface_name
"$routername.$DOMAIN" "$ifname"
347 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
348 append_interface_name
"$routername" "$ifname"
351 # This uses a static host file entry for only limited addresses.
352 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
353 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
354 network_get_ipaddr lanaddr
"$net"
355 network_get_ipaddrs6 lanaddrs6
"$net"
357 if [ -n "$lanaddr" ] ; then
358 dhcp_domain_add
"" "$routername" "$lanaddr"
361 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
362 for lanaddr6
in $lanaddrs6 ; do
364 "${ulaprefix%%:/*}"*)
365 dhcp_domain_add
"" "$routername" "$lanaddr6"
375 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
380 [ -n "$tag" ] ||
return 0
382 config_get_bool force
"$cfg" force
0
383 [ "$force" = "0" ] && force
=
385 config_get option
"$cfg" dhcp_option
387 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
394 config_get networkid
"$cfg" networkid
395 [ -n "$networkid" ] ||
return 0
397 config_get mac
"$cfg" mac
398 [ -n "$mac" ] ||
return 0
400 xappend
"--dhcp-mac=$networkid,$mac"
402 dhcp_option_add
"$cfg" "$networkid"
406 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
409 config_get networkid
"$cfg" networkid
411 config_get filename
"$cfg" filename
412 [ -n "$filename" ] ||
return 0
414 config_get servername
"$cfg" servername
415 config_get serveraddress
"$cfg" serveraddress
417 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
419 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
421 config_get_bool force
"$cfg" force
0
423 dhcp_option_add
"$cfg" "$networkid" "$force"
429 local dhcp6range
="::"
432 config_get net
"$cfg" interface
433 [ -n "$net" ] ||
return 0
435 config_get networkid
"$cfg" networkid
436 [ -n "$networkid" ] || networkid
="$net"
438 network_get_subnet subnet
"$net" ||
return 0
439 network_get_device ifname
"$net" ||
return 0
440 network_get_protocol proto
"$net" ||
return 0
442 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
443 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
446 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
447 # Many ISP do not have useful names for DHCP customers (your WAN).
448 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
452 # Do not support non-static interfaces for now
453 [ static
= "$proto" ] ||
return 0
455 # Override interface netmask with dhcp config if applicable
456 config_get netmask
"$cfg" netmask
"${subnet##*/}"
458 #check for an already active dhcp server on the interface, unless 'force' is set
459 config_get_bool force
"$cfg" force
0
460 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
462 config_get start
"$cfg" start
100
463 config_get limit
"$cfg" limit
150
464 config_get leasetime
"$cfg" leasetime
12h
465 config_get options
"$cfg" options
466 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
468 config_get dhcpv4
"$cfg" dhcpv4
469 config_get dhcpv6
"$cfg" dhcpv6
471 config_get ra
"$cfg" ra
472 config_get ra_management
"$cfg" ra_management
473 config_get ra_preference
"$cfg" ra_preference
474 config_get dns
"$cfg" dns
476 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
478 # Put the router host name on this DHCP served interface address(es)
479 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
481 start
="$( dhcp_calc "$start" )"
482 nettag
="${networkid:+set:${networkid},}"
484 if [ "$limit" -gt 0 ] ; then
488 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
490 if [ "$dynamicdhcp" = "0" ] ; then
492 dhcp6range
="::,static"
494 dhcp6range
="::1000,::ffff"
498 if [ "$dhcpv4" != "disabled" ] ; then
499 xappend
"--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
503 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
504 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
505 # and let some other machine(s) send RA pointing to it.
507 case $ra_preference in
509 xappend
"--ra-param=$ifname,high,0,7200"
512 xappend
"--ra-param=$ifname,low,0,7200"
515 # Send UNSOLICITED RA at default interval and live for 2 hours.
516 # TODO: convert flexible lease time into route life time (only seconds).
517 xappend
"--ra-param=$ifname,0,7200"
521 if [ "$dhcpv6" = "disabled" ] ; then
526 case $ra_management in
528 # SLACC with DCHP for extended options
529 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
532 # DHCP address and RA only for management redirection
533 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
536 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
537 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
540 # SLAAC and full DHCP
541 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
545 if [ -n "$dns" ]; then
547 for d
in $dns; do append dnss
"[$d]" ","; done
552 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
555 dhcp_option_add
"$cfg" "$networkid"
558 dhcp_option_append
() {
563 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
567 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
572 [ "$force" = "0" ] && force
=
575 config_get list_len
"$cfg" dhcp_option_LENGTH
577 if [ -n "$list_len" ]; then
578 config_list_foreach
"$cfg" dhcp_option dhcp_option_append
"$networkid" "$force"
580 config_get dhcp_option
"$cfg" dhcp_option
582 [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
585 for option
in $dhcp_option; do
586 dhcp_option_append
"$option" "$networkid" "$force"
593 local ip name names record
595 config_get names
"$cfg" name
"$2"
596 [ -n "$names" ] ||
return 0
598 config_get ip
"$cfg" ip
"$3"
599 [ -n "$ip" ] ||
return 0
601 for name
in $names; do
602 record
="${record:+$record }$name"
605 echo "$ip $record" >> $HOSTFILE
611 config_get srv
"$cfg" srv
612 [ -n "$srv" ] ||
return 0
614 config_get target
"$cfg" target
615 [ -n "$target" ] ||
return 0
617 config_get port
"$cfg" port
618 [ -n "$port" ] ||
return 0
620 config_get class
"$cfg" class
621 config_get weight
"$cfg" weight
623 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
625 xappend
"--srv-host=$service"
630 local domain relay pref
632 config_get domain
"$cfg" domain
633 [ -n "$domain" ] ||
return 0
635 config_get relay
"$cfg" relay
636 [ -n "$relay" ] ||
return 0
638 config_get pref
"$cfg" pref
0
640 local service
="$domain,$relay,$pref"
642 xappend
"--mx-host=$service"
649 config_get cname
"$cfg" cname
650 [ -n "$cname" ] ||
return 0
652 config_get target
"$cfg" target
653 [ -n "$target" ] ||
return 0
655 xappend
"--cname=${cname},${target}"
658 dhcp_hostrecord_add
() {
660 local names addresses record val
662 config_get names
"$cfg" name
"$2"
663 if [ -z "$names" ]; then
667 config_get addresses
"$cfg" ip
"$3"
668 if [ -z "$addresses" ]; then
672 for val
in $names $addresses; do
673 record
="${record:+$record,}$val"
676 xappend
"--host-record=$record"
681 local local_addr server_addr interface
683 config_get local_addr
"$cfg" local_addr
684 [ -n "$local_addr" ] ||
return 0
686 config_get server_addr
"$cfg" server_addr
687 [ -n "$server_addr" ] ||
return 0
689 config_get interface
"$cfg" interface
690 if [ -z "$interface" ]; then
691 xappend
"--dhcp-relay=$local_addr,$server_addr"
693 network_get_device ifname
"$interface" ||
return
694 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
700 local cfg
="$1" disabled resolvfile user_dhcpscript
702 config_get_bool disabled
"$cfg" disabled
0
703 [ "$disabled" -gt 0 ] && return 0
705 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
708 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
709 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
710 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
711 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
712 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
714 # before we can call xappend
715 mkdir
-p /var
/run
/dnsmasq
/
716 mkdir
-p $
(dirname $CONFIGFILE)
717 mkdir
-p $
(dirname $HOSTFILE)
718 mkdir
-p /var
/lib
/misc
719 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
721 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
723 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
724 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
726 # if we did this last, we could override auto-generated config
727 [ -f /etc
/dnsmasq.conf
] && {
728 xappend
"--conf-file=/etc/dnsmasq.conf"
731 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
734 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
735 local odhcpd_is_main odhcpd_is_enabled
736 config_get odhcpd_is_main odhcpd maindhcp
0
737 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
740 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
741 # DHCP V4 and V6 in DNSMASQ
743 elif [ "$odhcpd_is_main" -gt 0 ] ; then
744 # ODHCPD is doing it all
747 # You have ODHCPD but use DNSMASQ for DHCPV4
751 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
752 # DHCP V4 and V6 in DNSMASQ
758 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
759 if [ -x /usr
/sbin
/dhcpd
] ; then
760 if [ -x /etc
/init.d
/dhcpd
] ; then
761 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
763 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
764 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
768 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
769 append_bool
"$cfg" nodaemon
"--no-daemon"
770 append_bool
"$cfg" domainneeded
"--domain-needed"
771 append_bool
"$cfg" filterwin2k
"--filterwin2k"
772 append_bool
"$cfg" nohosts
"--no-hosts"
773 append_bool
"$cfg" nonegcache
"--no-negcache"
774 append_bool
"$cfg" strictorder
"--strict-order"
775 append_bool
"$cfg" logqueries
"--log-queries=extra"
776 append_bool
"$cfg" noresolv
"--no-resolv"
777 append_bool
"$cfg" localise_queries
"--localise-queries"
778 append_bool
"$cfg" readethers
"--read-ethers"
779 append_bool
"$cfg" dbus
"--enable-dbus"
780 append_bool
"$cfg" expandhosts
"--expand-hosts"
781 config_get tftp_root
"$cfg" "tftp_root"
782 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
783 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
784 append_bool
"$cfg" nonwildcard
"--bind-dynamic"
785 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
786 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
787 append_bool
"$cfg" localservice
"--local-service"
788 append_bool
"$cfg" logdhcp
"--log-dhcp"
789 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
790 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
791 append_bool
"$cfg" allservers
"--all-servers"
792 append_bool
"$cfg" noping
"--no-ping"
794 append_parm
"$cfg" logfacility
"--log-facility"
796 append_parm
"$cfg" cachesize
"--cache-size"
797 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
798 append_parm
"$cfg" port
"--port"
799 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
800 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
801 append_parm
"$cfg" "queryport" "--query-port"
802 append_parm
"$cfg" "minport" "--min-port"
803 append_parm
"$cfg" "maxport" "--max-port"
804 append_parm
"$cfg" "domain" "--domain"
805 append_parm
"$cfg" "local" "--server"
806 config_list_foreach
"$cfg" "server" append_server
807 config_list_foreach
"$cfg" "address" append_address
808 config_list_foreach
"$cfg" "ipset" append_ipset
809 config_list_foreach
"$cfg" "interface" append_interface
810 config_list_foreach
"$cfg" "notinterface" append_notinterface
811 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
812 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
813 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
814 append_parm
"$cfg" "serversfile" "--servers-file"
815 append_parm
"$cfg" "tftp_root" "--tftp-root"
816 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
817 append_parm
"$cfg" "local_ttl" "--local-ttl"
818 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
819 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
820 config_get DOMAIN
"$cfg" domain
822 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
823 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
824 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
825 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
827 if [ -z "$ADD_LOCAL_FQDN" ] ; then
828 # maintain support for previous UCI
829 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
832 config_get_bool readethers
"$cfg" readethers
833 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
835 xappend
"--dhcp-script=$DHCPSCRIPT"
836 config_get user_dhcpscript
$cfg dhcpscript
838 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
839 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
840 config_get_bool cachelocal
"$cfg" cachelocal
1
842 config_get_bool noresolv
"$cfg" noresolv
0
843 if [ "$noresolv" != "1" ]; then
844 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
845 # So jail doesn't complain if file missing
846 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
849 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
851 config_get hostsfile
"$cfg" dhcphostsfile
852 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
855 config_get_bool rebind
"$cfg" rebind_protection
1
856 [ $rebind -gt 0 ] && {
858 "DNS rebinding protection is active," \
859 "will discard upstream RFC1918 responses!"
860 xappend
"--stop-dns-rebind"
862 local rebind_localhost
863 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
864 [ $rebind_localhost -gt 0 ] && {
865 log_once
"Allowing 127.0.0.0/8 responses"
866 xappend
"--rebind-localhost-ok"
869 append_rebind_domain
() {
870 log_once
"Allowing RFC1918 responses for domain $1"
871 xappend
"--rebind-domain-ok=$1"
874 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
877 config_get_bool dnssec
"$cfg" dnssec
0
878 [ "$dnssec" -gt 0 ] && {
879 xappend
"--conf-file=$TRUSTANCHORSFILE"
881 [ -x /etc
/init.d
/sysntpd
] && {
882 /etc
/init.d
/sysntpd enabled
883 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
884 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
887 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
890 config_get addmac
"$cfg" addmac
0
891 [ "$addmac" != "0" ] && {
892 [ "$addmac" = "1" ] && addmac
=
893 xappend
"--add-mac${addmac:+="$addmac"}"
896 dhcp_option_add
"$cfg" "" 0
898 xappend
"--dhcp-broadcast=tag:needs-broadcast"
900 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
902 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
903 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
904 xappend
"--conf-dir=$dnsmasqconfdir"
905 xappend
"--user=dnsmasq"
906 xappend
"--group=dnsmasq"
907 echo >> $CONFIGFILE_TMP
909 config_get_bool enable_tftp
"$cfg" enable_tftp
0
910 [ "$enable_tftp" -gt 0 ] && {
911 config_get tftp_root
"$cfg" tftp_root
912 append EXTRA_MOUNT
$tftp_root
915 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
916 echo >> $CONFIGFILE_TMP
917 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
918 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
919 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
920 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
921 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
922 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
923 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
924 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
925 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
926 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
927 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
928 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
930 echo >> $CONFIGFILE_TMP
931 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
932 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
933 echo >> $CONFIGFILE_TMP
935 config_get_bool boguspriv
"$cfg" boguspriv
1
936 [ "$boguspriv" -gt 0 ] && {
937 xappend
"--bogus-priv"
938 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
941 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
942 # Enable RA feature for when/if it is constructed,
943 # and RA is selected per interface pool (RA, DHCP, or both),
944 # but no one (should) want RA broadcast in syslog
945 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
946 xappend
"--enable-ra"
948 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
950 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
951 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
955 echo >> $CONFIGFILE_TMP
956 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
957 echo >> $CONFIGFILE_TMP
959 echo >> $CONFIGFILE_TMP
960 mv -f $CONFIGFILE_TMP $CONFIGFILE
962 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
963 rm -f /tmp
/resolv.conf
964 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
965 echo "search $DOMAIN" >> /tmp
/resolv.conf
967 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
968 for DNS_SERVER
in $DNS_SERVERS ; do
969 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
973 procd_open_instance
$cfg
974 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
975 procd_set_param
file $CONFIGFILE
976 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
977 procd_set_param respawn
979 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
980 if [ ! -r "$dnsmasqconffile" ]; then
981 dnsmasqconffile
=/etc
/dnsmasq.conf
984 procd_add_jail dnsmasq ubus log
985 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
986 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
995 config_get resolvfile
"$cfg" "resolvfile"
997 #relink /tmp/resolve.conf only for main instance
998 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
999 [ -f /tmp
/resolv.conf
] && {
1000 rm -f /tmp
/resolv.conf
1001 ln -s "$resolvfile" /tmp
/resolv.conf
1005 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1010 procd_add_reload_trigger
"dhcp"
1011 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1022 local instance_found
=0
1024 [ -n "$BOOT" ] && return
1026 .
/lib
/functions
/network.sh
1031 if [ "$type" = "dnsmasq" ]; then
1032 if [ -n "$instance" -a "$instance" = "$name" ]; then
1040 if [ -n "$instance" ]; then
1041 [ "$instance_found" -gt 0 ] ||
return
1042 dnsmasq_start
"$instance"
1044 config_foreach dnsmasq_start dnsmasq
1049 rc_procd start_service
"$@"
1055 local instance_found
=0
1060 if [ "$type" = "dnsmasq" ]; then
1061 if [ -n "$instance" -a "$instance" = "$name" ]; then
1069 if [ -n "$instance" ]; then
1070 [ "$instance_found" -gt 0 ] ||
return
1071 dnsmasq_stop
"$instance"
1073 config_foreach dnsmasq_stop dnsmasq