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_notinterface
() {
146 network_get_device ifname
"$1" || ifname
="$1"
147 xappend
"--except-interface=$ifname"
151 xappend
"--addn-hosts=$1"
154 append_bogusnxdomain
() {
155 xappend
"--bogus-nxdomain=$1"
158 append_pxe_service
() {
159 xappend
"--pxe-service=$1"
162 append_interface_name
() {
163 xappend
"--interface-name=$1,$2"
167 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
169 # use entry when no instance entry set, or if it matches
170 config_get found_cfg
"$cfg" "instance"
171 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
176 dhcp_subscrid_add
() {
179 config_get networkid
"$cfg" networkid
180 [ -n "$networkid" ] ||
return 0
182 config_get subscriberid
"$cfg" subscriberid
183 [ -n "$subscriberid" ] ||
return 0
185 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
187 config_get_bool force
"$cfg" force
0
189 dhcp_option_add
"$cfg" "$networkid" "$force"
192 dhcp_remoteid_add
() {
195 config_get networkid
"$cfg" networkid
196 [ -n "$networkid" ] ||
return 0
198 config_get remoteid
"$cfg" remoteid
199 [ -n "$remoteid" ] ||
return 0
201 xappend
"--dhcp-remoteid=$networkid,$remoteid"
203 config_get_bool force
"$cfg" force
0
205 dhcp_option_add
"$cfg" "$networkid" "$force"
208 dhcp_circuitid_add
() {
209 # TODO: DHCPV6 does not have circuitid; catch "option6:"
212 config_get networkid
"$cfg" networkid
213 [ -n "$networkid" ] ||
return 0
215 config_get circuitid
"$cfg" circuitid
216 [ -n "$circuitid" ] ||
return 0
218 xappend
"--dhcp-circuitid=$networkid,$circuitid"
220 config_get_bool force
"$cfg" force
0
222 dhcp_option_add
"$cfg" "$networkid" "$force"
225 dhcp_userclass_add
() {
228 config_get networkid
"$cfg" networkid
229 [ -n "$networkid" ] ||
return 0
231 config_get userclass
"$cfg" userclass
232 [ -n "$userclass" ] ||
return 0
234 xappend
"--dhcp-userclass=$networkid,$userclass"
236 config_get_bool force
"$cfg" force
0
238 dhcp_option_add
"$cfg" "$networkid" "$force"
241 dhcp_vendorclass_add
() {
242 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
245 config_get networkid
"$cfg" networkid
246 [ -n "$networkid" ] ||
return 0
248 config_get vendorclass
"$cfg" vendorclass
249 [ -n "$vendorclass" ] ||
return 0
251 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
253 config_get_bool force
"$cfg" force
0
255 dhcp_option_add
"$cfg" "$networkid" "$force"
261 config_get networkid
"$cfg" networkid
262 [ -n "$networkid" ] ||
return 0
264 config_get match
"$cfg" match
265 [ -n "$match" ] ||
return 0
267 xappend
"--dhcp-match=$networkid,$match"
269 config_get_bool force
"$cfg" force
0
271 dhcp_option_add
"$cfg" "$networkid" "$force"
276 local hosttag nametime addrs duids
278 config_get_bool force
"$cfg" force
0
280 config_get networkid
"$cfg" networkid
281 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
283 config_get_bool
enable "$cfg" enable 1
284 [ "$enable" = "0" ] && return 0
286 config_get name
"$cfg" name
287 config_get ip
"$cfg" ip
288 config_get hostid
"$cfg" hostid
290 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
292 config_get_bool dns
"$cfg" dns
0
293 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
294 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
297 config_get mac
"$cfg" mac
298 config_get duid
"$cfg" duid
299 config_get tag
"$cfg" tag
301 if [ -n "$mac" ]; then
302 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
303 # many MAC are possible to track a laptop ON/OFF dock
305 for m
in $mac; do append macs
"$m" ","; done
308 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
309 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
310 # one (virtual) machine gets one DUID per RFC3315
311 duids
="id:${duid// */}"
314 if [ -z "$macs" -a -z "$duids" ]; then
315 # --dhcp-host=lap,192.168.0.199,[::beef]
316 [ -n "$name" ] ||
return 0
321 if [ -n "$hostid" ]; then
322 hex_to_hostid hostid
"$hostid"
325 config_get_bool broadcast
"$cfg" broadcast
0
326 config_get leasetime
"$cfg" leasetime
328 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
330 hosttag
="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
331 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
333 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
334 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
335 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
337 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
341 dhcp_this_host_add
() {
345 local routerstub routername ifdashname
346 local lanaddr lanaddr6 lanaddrs6 ulaprefix
348 if [ "$mode" -gt 0 ] ; then
349 ifdashname
="${ifname//./-}"
350 routerstub
="$( md5sum /etc/os-release )"
351 routerstub
="router-${routerstub// */}"
352 routername
="$( uci_get system @system[0] hostname $routerstub )"
354 if [ "$mode" -gt 1 ] ; then
355 if [ "$mode" -gt 2 ] ; then
356 if [ "$mode" -gt 3 ] ; then
357 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
360 append_interface_name
"$routername.$DOMAIN" "$ifname"
363 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
364 append_interface_name
"$routername" "$ifname"
367 # This uses a static host file entry for only limited addresses.
368 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
369 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
370 network_get_ipaddr lanaddr
"$net"
371 network_get_ipaddrs6 lanaddrs6
"$net"
373 if [ -n "$lanaddr" ] ; then
374 dhcp_domain_add
"" "$routername" "$lanaddr"
377 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
378 for lanaddr6
in $lanaddrs6 ; do
380 "${ulaprefix%%:/*}"*)
381 dhcp_domain_add
"" "$routername" "$lanaddr6"
391 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
396 [ -n "$tag" ] ||
return 0
398 config_get_bool force
"$cfg" force
0
399 [ "$force" = "0" ] && force
=
401 config_get option
"$cfg" dhcp_option
403 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
410 config_get networkid
"$cfg" networkid
411 [ -n "$networkid" ] ||
return 0
413 config_get mac
"$cfg" mac
414 [ -n "$mac" ] ||
return 0
416 xappend
"--dhcp-mac=$networkid,$mac"
418 dhcp_option_add
"$cfg" "$networkid"
422 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
425 config_get networkid
"$cfg" networkid
427 config_get filename
"$cfg" filename
428 [ -n "$filename" ] ||
return 0
430 config_get servername
"$cfg" servername
431 config_get serveraddress
"$cfg" serveraddress
433 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
435 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
437 config_get_bool force
"$cfg" force
0
439 dhcp_option_add
"$cfg" "$networkid" "$force"
445 local dhcp6range
="::"
449 config_get net
"$cfg" interface
450 [ -n "$net" ] ||
return 0
452 config_get networkid
"$cfg" networkid
453 [ -n "$networkid" ] || networkid
="$net"
455 network_get_subnet subnet
"$net" ||
return 0
456 network_get_device ifname
"$net" ||
return 0
457 network_get_protocol proto
"$net" ||
return 0
459 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
460 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
463 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
464 # Many ISP do not have useful names for DHCP customers (your WAN).
465 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
469 # Do not support non-static interfaces for now
470 [ static
= "$proto" ] ||
return 0
472 # Override interface netmask with dhcp config if applicable
473 config_get netmask
"$cfg" netmask
"${subnet##*/}"
475 #check for an already active dhcp server on the interface, unless 'force' is set
476 config_get_bool force
"$cfg" force
0
477 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
479 config_get start
"$cfg" start
100
480 config_get limit
"$cfg" limit
150
481 config_get leasetime
"$cfg" leasetime
12h
482 config_get options
"$cfg" options
483 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
485 config_get dhcpv4
"$cfg" dhcpv4
486 config_get dhcpv6
"$cfg" dhcpv6
488 config_get ra
"$cfg" ra
489 config_get ra_management
"$cfg" ra_management
490 config_get ra_preference
"$cfg" ra_preference
491 config_get dns
"$cfg" dns
493 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
495 # Put the router host name on this DHCP served interface address(es)
496 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
498 start
="$( dhcp_calc "$start" )"
501 tags
="${tags}tag:$1,"
503 config_list_foreach
"$cfg" tag add_tag
505 nettag
="${networkid:+set:${networkid},}"
507 if [ "$limit" -gt 0 ] ; then
511 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
513 if [ "$dynamicdhcp" = "0" ] ; then
515 dhcp6range
="::,static"
517 dhcp6range
="::1000,::ffff"
521 if [ "$dhcpv4" != "disabled" ] ; then
522 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
526 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
527 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
528 # and let some other machine(s) send RA pointing to it.
530 case $ra_preference in
532 xappend
"--ra-param=$ifname,high,0,7200"
535 xappend
"--ra-param=$ifname,low,0,7200"
538 # Send UNSOLICITED RA at default interval and live for 2 hours.
539 # TODO: convert flexible lease time into route life time (only seconds).
540 xappend
"--ra-param=$ifname,0,7200"
544 if [ "$dhcpv6" = "disabled" ] ; then
549 case $ra_management in
551 # SLACC with DCHP for extended options
552 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
555 # DHCP address and RA only for management redirection
556 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
559 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
560 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
563 # SLAAC and full DHCP
564 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
568 if [ -n "$dns" ]; then
570 for d
in $dns; do append dnss
"[$d]" ","; done
575 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
578 dhcp_option_add
"$cfg" "$networkid" 0
579 dhcp_option_add
"$cfg" "$networkid" 2
582 dhcp_option_append
() {
587 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
591 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
595 local opt
="dhcp_option"
597 [ "$force" = "0" ] && force
=
598 [ "$force" = "2" ] && opt
="dhcp_option_force"
601 config_get list_len
"$cfg" "${opt}_LENGTH"
603 if [ -n "$list_len" ]; then
604 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
606 config_get dhcp_option
"$cfg" "$opt"
608 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
611 for option
in $dhcp_option; do
612 dhcp_option_append
"$option" "$networkid" "$force"
619 local ip name names record
621 config_get names
"$cfg" name
"$2"
622 [ -n "$names" ] ||
return 0
624 config_get ip
"$cfg" ip
"$3"
625 [ -n "$ip" ] ||
return 0
627 for name
in $names; do
628 record
="${record:+$record }$name"
631 echo "$ip $record" >> $HOSTFILE
637 config_get srv
"$cfg" srv
638 [ -n "$srv" ] ||
return 0
640 config_get target
"$cfg" target
641 [ -n "$target" ] ||
return 0
643 config_get port
"$cfg" port
644 [ -n "$port" ] ||
return 0
646 config_get class
"$cfg" class
647 config_get weight
"$cfg" weight
649 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
651 xappend
"--srv-host=$service"
656 local domain relay pref
658 config_get domain
"$cfg" domain
659 [ -n "$domain" ] ||
return 0
661 config_get relay
"$cfg" relay
662 [ -n "$relay" ] ||
return 0
664 config_get pref
"$cfg" pref
0
666 local service
="$domain,$relay,$pref"
668 xappend
"--mx-host=$service"
675 config_get cname
"$cfg" cname
676 [ -n "$cname" ] ||
return 0
678 config_get target
"$cfg" target
679 [ -n "$target" ] ||
return 0
681 xappend
"--cname=${cname},${target}"
684 dhcp_hostrecord_add
() {
686 local names addresses record val
688 config_get names
"$cfg" name
"$2"
689 if [ -z "$names" ]; then
693 config_get addresses
"$cfg" ip
"$3"
694 if [ -z "$addresses" ]; then
698 for val
in $names $addresses; do
699 record
="${record:+$record,}$val"
702 xappend
"--host-record=$record"
707 local local_addr server_addr interface
709 config_get local_addr
"$cfg" local_addr
710 [ -n "$local_addr" ] ||
return 0
712 config_get server_addr
"$cfg" server_addr
713 [ -n "$server_addr" ] ||
return 0
715 config_get interface
"$cfg" interface
716 if [ -z "$interface" ]; then
717 xappend
"--dhcp-relay=$local_addr,$server_addr"
719 network_get_device ifname
"$interface" ||
return
720 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
726 local cfg
="$1" disabled resolvfile user_dhcpscript
728 config_get_bool disabled
"$cfg" disabled
0
729 [ "$disabled" -gt 0 ] && return 0
731 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
734 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
735 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
736 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
737 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
738 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
740 # before we can call xappend
741 mkdir
-p /var
/run
/dnsmasq
/
742 mkdir
-p $
(dirname $CONFIGFILE)
743 mkdir
-p $
(dirname $HOSTFILE)
744 mkdir
-p /var
/lib
/misc
745 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
747 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
749 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
750 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
752 # if we did this last, we could override auto-generated config
753 [ -f /etc
/dnsmasq.conf
] && {
754 xappend
"--conf-file=/etc/dnsmasq.conf"
757 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
760 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
761 local odhcpd_is_main odhcpd_is_enabled
762 config_get odhcpd_is_main odhcpd maindhcp
0
763 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
766 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
767 # DHCP V4 and V6 in DNSMASQ
769 elif [ "$odhcpd_is_main" -gt 0 ] ; then
770 # ODHCPD is doing it all
773 # You have ODHCPD but use DNSMASQ for DHCPV4
777 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
778 # DHCP V4 and V6 in DNSMASQ
784 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
785 if [ -x /usr
/sbin
/dhcpd
] ; then
786 if [ -x /etc
/init.d
/dhcpd
] ; then
787 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
789 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
790 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
794 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
795 append_bool
"$cfg" nodaemon
"--no-daemon"
796 append_bool
"$cfg" domainneeded
"--domain-needed"
797 append_bool
"$cfg" filterwin2k
"--filterwin2k"
798 append_bool
"$cfg" nohosts
"--no-hosts"
799 append_bool
"$cfg" nonegcache
"--no-negcache"
800 append_bool
"$cfg" strictorder
"--strict-order"
801 append_bool
"$cfg" logqueries
"--log-queries=extra"
802 append_bool
"$cfg" noresolv
"--no-resolv"
803 append_bool
"$cfg" localise_queries
"--localise-queries"
804 append_bool
"$cfg" readethers
"--read-ethers"
805 append_bool
"$cfg" dbus
"--enable-dbus"
806 append_bool
"$cfg" expandhosts
"--expand-hosts"
807 config_get tftp_root
"$cfg" "tftp_root"
808 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
809 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
810 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
811 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
812 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
813 append_bool
"$cfg" localservice
"--local-service"
814 append_bool
"$cfg" logdhcp
"--log-dhcp"
815 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
816 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
817 append_bool
"$cfg" allservers
"--all-servers"
818 append_bool
"$cfg" noping
"--no-ping"
820 append_parm
"$cfg" logfacility
"--log-facility"
822 append_parm
"$cfg" cachesize
"--cache-size"
823 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
824 append_parm
"$cfg" port
"--port"
825 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
826 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
827 append_parm
"$cfg" "queryport" "--query-port"
828 append_parm
"$cfg" "minport" "--min-port"
829 append_parm
"$cfg" "maxport" "--max-port"
830 append_parm
"$cfg" "domain" "--domain"
831 append_parm
"$cfg" "local" "--server"
832 config_list_foreach
"$cfg" "server" append_server
833 config_list_foreach
"$cfg" "rev_server" append_rev_server
834 config_list_foreach
"$cfg" "address" append_address
835 config_list_foreach
"$cfg" "ipset" append_ipset
836 config_list_foreach
"$cfg" "interface" append_interface
837 config_list_foreach
"$cfg" "notinterface" append_notinterface
838 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
839 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
840 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
841 append_parm
"$cfg" "serversfile" "--servers-file"
842 append_parm
"$cfg" "tftp_root" "--tftp-root"
843 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
844 append_parm
"$cfg" "local_ttl" "--local-ttl"
845 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
846 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
847 config_get DOMAIN
"$cfg" domain
849 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
850 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
851 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
852 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
854 if [ -z "$ADD_LOCAL_FQDN" ] ; then
855 # maintain support for previous UCI
856 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
859 config_get_bool readethers
"$cfg" readethers
860 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
862 config_get user_dhcpscript
$cfg dhcpscript
863 if has_handler ||
[ -n "$user_dhcpscript" ]; then
864 xappend
"--dhcp-script=$DHCPSCRIPT"
867 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
868 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
869 config_get_bool cachelocal
"$cfg" cachelocal
1
871 config_get_bool noresolv
"$cfg" noresolv
0
872 if [ "$noresolv" != "1" ]; then
873 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
874 # So jail doesn't complain if file missing
875 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
878 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
880 config_get hostsfile
"$cfg" dhcphostsfile
881 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
884 config_get_bool rebind
"$cfg" rebind_protection
1
885 [ $rebind -gt 0 ] && {
887 "DNS rebinding protection is active," \
888 "will discard upstream RFC1918 responses!"
889 xappend
"--stop-dns-rebind"
891 local rebind_localhost
892 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
893 [ $rebind_localhost -gt 0 ] && {
894 log_once
"Allowing 127.0.0.0/8 responses"
895 xappend
"--rebind-localhost-ok"
898 append_rebind_domain
() {
899 log_once
"Allowing RFC1918 responses for domain $1"
900 xappend
"--rebind-domain-ok=$1"
903 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
906 config_get_bool dnssec
"$cfg" dnssec
0
907 [ "$dnssec" -gt 0 ] && {
908 xappend
"--conf-file=$TRUSTANCHORSFILE"
910 [ -x /etc
/init.d
/sysntpd
] && {
911 /etc
/init.d
/sysntpd enabled
912 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
913 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
916 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
919 config_get addmac
"$cfg" addmac
0
920 [ "$addmac" != "0" ] && {
921 [ "$addmac" = "1" ] && addmac
=
922 xappend
"--add-mac${addmac:+="$addmac"}"
925 dhcp_option_add
"$cfg" "" 0
926 dhcp_option_add
"$cfg" "" 2
928 xappend
"--dhcp-broadcast=tag:needs-broadcast"
930 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
932 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
933 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
934 xappend
"--conf-dir=$dnsmasqconfdir"
935 xappend
"--user=dnsmasq"
936 xappend
"--group=dnsmasq"
937 echo >> $CONFIGFILE_TMP
939 config_get_bool enable_tftp
"$cfg" enable_tftp
0
940 [ "$enable_tftp" -gt 0 ] && {
941 config_get tftp_root
"$cfg" tftp_root
942 append EXTRA_MOUNT
$tftp_root
945 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
946 echo >> $CONFIGFILE_TMP
947 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
948 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
949 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
950 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
951 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
952 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
953 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
954 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
955 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
956 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
957 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
958 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
960 echo >> $CONFIGFILE_TMP
961 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
962 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
963 echo >> $CONFIGFILE_TMP
965 config_get_bool boguspriv
"$cfg" boguspriv
1
966 [ "$boguspriv" -gt 0 ] && {
967 xappend
"--bogus-priv"
968 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
971 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
972 # Enable RA feature for when/if it is constructed,
973 # and RA is selected per interface pool (RA, DHCP, or both),
974 # but no one (should) want RA broadcast in syslog
975 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
976 xappend
"--enable-ra"
978 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
980 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
981 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
985 echo >> $CONFIGFILE_TMP
986 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
987 echo >> $CONFIGFILE_TMP
989 echo >> $CONFIGFILE_TMP
990 mv -f $CONFIGFILE_TMP $CONFIGFILE
992 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
993 rm -f /tmp
/resolv.conf
994 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
995 echo "search $DOMAIN" >> /tmp
/resolv.conf
997 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
998 for DNS_SERVER
in $DNS_SERVERS ; do
999 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1003 procd_open_instance
$cfg
1004 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1005 procd_set_param
file $CONFIGFILE
1006 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1007 procd_set_param respawn
1009 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
1010 if [ ! -r "$dnsmasqconffile" ]; then
1011 dnsmasqconffile
=/etc
/dnsmasq.conf
1014 procd_add_jail dnsmasq ubus log
1015 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
1016 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1018 procd_close_instance
1025 config_get resolvfile
"$cfg" "resolvfile"
1027 #relink /tmp/resolve.conf only for main instance
1028 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1029 [ -f /tmp
/resolv.conf
] && {
1030 rm -f /tmp
/resolv.conf
1031 ln -s "$resolvfile" /tmp
/resolv.conf
1035 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1040 procd_add_reload_trigger
"dhcp"
1041 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1052 local instance_found
=0
1054 [ -n "$BOOT" ] && return
1056 .
/lib
/functions
/network.sh
1061 if [ "$type" = "dnsmasq" ]; then
1062 if [ -n "$instance" -a "$instance" = "$name" ]; then
1070 if [ -n "$instance" ]; then
1071 [ "$instance_found" -gt 0 ] ||
return
1072 dnsmasq_start
"$instance"
1074 config_foreach dnsmasq_start dnsmasq
1079 rc_procd start_service
"$@"
1085 local instance_found
=0
1090 if [ "$type" = "dnsmasq" ]; then
1091 if [ -n "$instance" -a "$instance" = "$name" ]; then
1099 if [ -n "$instance" ]; then
1100 [ "$instance_found" -gt 0 ] ||
return
1101 dnsmasq_stop
"$instance"
1103 config_foreach dnsmasq_stop dnsmasq