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 TRUSTANCHORSFILE
="/usr/share/dnsmasq/trust-anchors.conf"
17 TIMEVALIDFILE
="/var/state/dnsmasqsec"
18 BASEDHCPSTAMPFILE
="/var/run/dnsmasq"
19 DHCPBOGUSHOSTNAMEFILE
="/usr/share/dnsmasq/dhcpbogushostname.conf"
20 RFC6761FILE
="/usr/share/dnsmasq/rfc6761.conf"
21 DHCPSCRIPT
="/usr/lib/dnsmasq/dhcp-script.sh"
25 dnsmasq_features
="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
26 [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp
=1
27 [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6
=1
28 [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec
=1
29 [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp
=1
30 [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset
=1
31 dnsmasq_ignore_opt
() {
37 [ -z "$dnsmasq_has_dhcp6" ] ;;
41 [ -z "$dnsmasq_has_dhcp" ] ;;
44 [ -z "$dnsmasq_has_dnssec" ] ;;
46 [ -z "$dnsmasq_has_tftp" ] ;;
48 [ -z "$dnsmasq_has_ipset" ] ;;
56 local opt
="${value%%=*}"
58 if ! dnsmasq_ignore_opt
"$opt"; then
59 echo "$value" >>$CONFIGFILE_TMP
65 local hex
="${2#0x}" # strip optional "0x" prefix
67 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
68 # is invalid hex literal
72 # convert into host id
75 $(((0x$hex >> 16) % 65536)) \
86 while [ -n "$ip" ]; do
89 res
="$(($res + $part))"
90 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
97 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
100 [ -s "$stamp" ] && return $
(cat "$stamp")
102 # If there's no carrier yet, skip this interface.
103 # The init script will be called again once the link is up
104 case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
108 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
112 "found already running DHCP-server on interface '$ifname'" \
113 "refusing to start, use 'option force 1' to override"
120 pidof dnsmasq
>/dev
/null || \
121 logger
-t dnsmasq
"$@"
127 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
128 [ -f "$file" ] && return 0
140 [ -z "$default" ] && default
="0"
141 config_get_bool _loctmp
"$section" "$option" "$default"
142 [ $_loctmp -gt 0 ] && xappend
"$value"
151 config_get _loctmp
"$section" "$option" "$default"
152 [ -z "$_loctmp" ] && return 0
153 xappend
"$switch=$_loctmp"
157 xappend
"--server=$1"
160 append_rev_server
() {
161 xappend
"--rev-server=$1"
165 xappend
"--address=$1"
173 network_get_device ifname
"$1" || ifname
="$1"
174 xappend
"--interface=$ifname"
177 append_listenaddress
() {
178 xappend
"--listen-address=$1"
181 append_notinterface
() {
182 network_get_device ifname
"$1" || ifname
="$1"
183 xappend
"--except-interface=$ifname"
187 xappend
"--addn-hosts=$1"
190 append_bogusnxdomain
() {
191 xappend
"--bogus-nxdomain=$1"
194 append_pxe_service
() {
195 xappend
"--pxe-service=$1"
198 append_interface_name
() {
199 xappend
"--interface-name=$1,$2"
203 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
205 # use entry when no instance entry set, or if it matches
206 config_get found_cfg
"$cfg" "instance"
207 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
212 dhcp_subscrid_add
() {
215 config_get networkid
"$cfg" networkid
216 [ -n "$networkid" ] ||
return 0
218 config_get subscriberid
"$cfg" subscriberid
219 [ -n "$subscriberid" ] ||
return 0
221 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
223 config_get_bool force
"$cfg" force
0
225 dhcp_option_add
"$cfg" "$networkid" "$force"
228 dhcp_remoteid_add
() {
231 config_get networkid
"$cfg" networkid
232 [ -n "$networkid" ] ||
return 0
234 config_get remoteid
"$cfg" remoteid
235 [ -n "$remoteid" ] ||
return 0
237 xappend
"--dhcp-remoteid=$networkid,$remoteid"
239 config_get_bool force
"$cfg" force
0
241 dhcp_option_add
"$cfg" "$networkid" "$force"
244 dhcp_circuitid_add
() {
245 # TODO: DHCPV6 does not have circuitid; catch "option6:"
248 config_get networkid
"$cfg" networkid
249 [ -n "$networkid" ] ||
return 0
251 config_get circuitid
"$cfg" circuitid
252 [ -n "$circuitid" ] ||
return 0
254 xappend
"--dhcp-circuitid=$networkid,$circuitid"
256 config_get_bool force
"$cfg" force
0
258 dhcp_option_add
"$cfg" "$networkid" "$force"
261 dhcp_userclass_add
() {
264 config_get networkid
"$cfg" networkid
265 [ -n "$networkid" ] ||
return 0
267 config_get userclass
"$cfg" userclass
268 [ -n "$userclass" ] ||
return 0
270 xappend
"--dhcp-userclass=$networkid,$userclass"
272 config_get_bool force
"$cfg" force
0
274 dhcp_option_add
"$cfg" "$networkid" "$force"
277 dhcp_vendorclass_add
() {
278 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
281 config_get networkid
"$cfg" networkid
282 [ -n "$networkid" ] ||
return 0
284 config_get vendorclass
"$cfg" vendorclass
285 [ -n "$vendorclass" ] ||
return 0
287 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
289 config_get_bool force
"$cfg" force
0
291 dhcp_option_add
"$cfg" "$networkid" "$force"
297 config_get networkid
"$cfg" networkid
298 [ -n "$networkid" ] ||
return 0
300 config_get match
"$cfg" match
301 [ -n "$match" ] ||
return 0
303 xappend
"--dhcp-match=$networkid,$match"
305 config_get_bool force
"$cfg" force
0
307 dhcp_option_add
"$cfg" "$networkid" "$force"
312 local hosttag nametime addrs duids macs tags
314 config_get_bool force
"$cfg" force
0
316 config_get networkid
"$cfg" networkid
317 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
319 config_get_bool
enable "$cfg" enable 1
320 [ "$enable" = "0" ] && return 0
322 config_get name
"$cfg" name
323 config_get ip
"$cfg" ip
324 config_get hostid
"$cfg" hostid
326 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
328 config_get_bool dns
"$cfg" dns
0
329 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
330 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
333 config_get mac
"$cfg" mac
334 config_get duid
"$cfg" duid
335 config_get tag
"$cfg" tag
337 if [ -n "$mac" ]; then
338 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
339 # many MAC are possible to track a laptop ON/OFF dock
340 for m
in $mac; do append macs
"$m" ","; done
343 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
344 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
345 # one (virtual) machine gets one DUID per RFC3315
346 duids
="id:${duid// */}"
349 if [ -z "$macs" -a -z "$duids" ]; then
350 # --dhcp-host=lap,192.168.0.199,[::beef]
351 [ -n "$name" ] ||
return 0
356 if [ -n "$hostid" ]; then
357 hex_to_hostid hostid
"$hostid"
360 if [ -n "$tag" ]; then
361 for t
in $tag; do append tags
"$t" ",set:"; done
364 config_get_bool broadcast
"$cfg" broadcast
0
365 config_get leasetime
"$cfg" leasetime
367 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
369 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
370 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
372 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
373 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
374 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
376 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
380 dhcp_this_host_add
() {
384 local routerstub routername ifdashname
385 local lanaddr lanaddr6 lanaddrs6 ulaprefix
387 if [ "$mode" -gt 0 ] ; then
388 ifdashname
="${ifname//./-}"
389 routerstub
="$( md5sum /etc/os-release )"
390 routerstub
="router-${routerstub// */}"
391 routername
="$( uci_get system @system[0] hostname $routerstub )"
393 if [ "$mode" -gt 1 ] ; then
394 if [ "$mode" -gt 2 ] ; then
395 if [ "$mode" -gt 3 ] ; then
396 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
399 append_interface_name
"$routername.$DOMAIN" "$ifname"
402 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
403 append_interface_name
"$routername" "$ifname"
406 # This uses a static host file entry for only limited addresses.
407 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
408 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
409 network_get_ipaddr lanaddr
"$net"
410 network_get_ipaddrs6 lanaddrs6
"$net"
412 if [ -n "$lanaddr" ] ; then
413 dhcp_domain_add
"" "$routername" "$lanaddr"
416 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
417 for lanaddr6
in $lanaddrs6 ; do
419 "${ulaprefix%%:/*}"*)
420 dhcp_domain_add
"" "$routername" "$lanaddr6"
430 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
435 [ -n "$tag" ] ||
return 0
437 config_get_bool force
"$cfg" force
0
438 [ "$force" = "0" ] && force
=
440 config_get option
"$cfg" dhcp_option
442 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
449 config_get networkid
"$cfg" networkid
450 [ -n "$networkid" ] ||
return 0
452 config_get mac
"$cfg" mac
453 [ -n "$mac" ] ||
return 0
455 xappend
"--dhcp-mac=$networkid,$mac"
457 dhcp_option_add
"$cfg" "$networkid"
461 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
464 config_get networkid
"$cfg" networkid
466 config_get filename
"$cfg" filename
467 [ -n "$filename" ] ||
return 0
469 config_get servername
"$cfg" servername
470 config_get serveraddress
"$cfg" serveraddress
472 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
474 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
476 config_get_bool force
"$cfg" force
0
478 dhcp_option_add
"$cfg" "$networkid" "$force"
484 local dhcp6range
="::"
488 config_get net
"$cfg" interface
489 [ -n "$net" ] ||
return 0
491 config_get networkid
"$cfg" networkid
492 [ -n "$networkid" ] || networkid
="$net"
494 network_get_device ifname
"$net" ||
return 0
496 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
497 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
500 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
501 # Many ISP do not have useful names for DHCP customers (your WAN).
502 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
506 network_get_subnet subnet
"$net" ||
return 0
507 network_get_protocol proto
"$net" ||
return 0
509 # Do not support non-static interfaces for now
510 [ static
= "$proto" ] ||
return 0
512 # Override interface netmask with dhcp config if applicable
513 config_get netmask
"$cfg" netmask
"${subnet##*/}"
515 #check for an already active dhcp server on the interface, unless 'force' is set
516 config_get_bool force
"$cfg" force
0
517 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
519 config_get start
"$cfg" start
100
520 config_get limit
"$cfg" limit
150
521 config_get leasetime
"$cfg" leasetime
12h
522 config_get options
"$cfg" options
523 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
525 config_get dhcpv4
"$cfg" dhcpv4
526 config_get dhcpv6
"$cfg" dhcpv6
528 config_get ra
"$cfg" ra
529 config_get ra_management
"$cfg" ra_management
530 config_get ra_preference
"$cfg" ra_preference
531 config_get dns
"$cfg" dns
533 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
535 # Put the router host name on this DHCP served interface address(es)
536 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
538 start
="$( dhcp_calc "$start" )"
541 tags
="${tags}tag:$1,"
543 config_list_foreach
"$cfg" tag add_tag
545 nettag
="${networkid:+set:${networkid},}"
547 if [ "$limit" -gt 0 ] ; then
551 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
553 if [ "$dynamicdhcp" = "0" ] ; then
555 dhcp6range
="::,static"
557 dhcp6range
="::1000,::ffff"
561 if [ "$dhcpv4" != "disabled" ] ; then
562 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
566 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
567 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
568 # and let some other machine(s) send RA pointing to it.
570 case $ra_preference in
572 xappend
"--ra-param=$ifname,high,0,7200"
575 xappend
"--ra-param=$ifname,low,0,7200"
578 # Send UNSOLICITED RA at default interval and live for 2 hours.
579 # TODO: convert flexible lease time into route life time (only seconds).
580 xappend
"--ra-param=$ifname,0,7200"
584 if [ "$dhcpv6" = "disabled" ] ; then
589 case $ra_management in
591 # SLACC with DCHP for extended options
592 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
595 # DHCP address and RA only for management redirection
596 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
599 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
600 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
603 # SLAAC and full DHCP
604 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
608 if [ -n "$dns" ]; then
610 for d
in $dns; do append dnss
"[$d]" ","; done
615 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
618 dhcp_option_add
"$cfg" "$networkid" 0
619 dhcp_option_add
"$cfg" "$networkid" 2
622 dhcp_option_append
() {
627 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
631 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
635 local opt
="dhcp_option"
637 [ "$force" = "0" ] && force
=
638 [ "$force" = "2" ] && opt
="dhcp_option_force"
641 config_get list_len
"$cfg" "${opt}_LENGTH"
643 if [ -n "$list_len" ]; then
644 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
646 config_get dhcp_option
"$cfg" "$opt"
648 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
651 for option
in $dhcp_option; do
652 dhcp_option_append
"$option" "$networkid" "$force"
659 local ip name names record
661 config_get names
"$cfg" name
"$2"
662 [ -n "$names" ] ||
return 0
664 config_get ip
"$cfg" ip
"$3"
665 [ -n "$ip" ] ||
return 0
667 for name
in $names; do
668 record
="${record:+$record }$name"
671 echo "$ip $record" >> $HOSTFILE_TMP
677 config_get srv
"$cfg" srv
678 [ -n "$srv" ] ||
return 0
680 config_get target
"$cfg" target
681 [ -n "$target" ] ||
return 0
683 config_get port
"$cfg" port
684 [ -n "$port" ] ||
return 0
686 config_get class
"$cfg" class
687 config_get weight
"$cfg" weight
689 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
691 xappend
"--srv-host=$service"
696 local domain relay pref
698 config_get domain
"$cfg" domain
699 [ -n "$domain" ] ||
return 0
701 config_get relay
"$cfg" relay
702 [ -n "$relay" ] ||
return 0
704 config_get pref
"$cfg" pref
0
706 local service
="$domain,$relay,$pref"
708 xappend
"--mx-host=$service"
715 config_get cname
"$cfg" cname
716 [ -n "$cname" ] ||
return 0
718 config_get target
"$cfg" target
719 [ -n "$target" ] ||
return 0
721 xappend
"--cname=${cname},${target}"
724 dhcp_hostrecord_add
() {
726 local names addresses record val
728 config_get names
"$cfg" name
"$2"
729 if [ -z "$names" ]; then
733 config_get addresses
"$cfg" ip
"$3"
734 if [ -z "$addresses" ]; then
738 for val
in $names $addresses; do
739 record
="${record:+$record,}$val"
742 xappend
"--host-record=$record"
747 local local_addr server_addr interface
749 config_get local_addr
"$cfg" local_addr
750 [ -n "$local_addr" ] ||
return 0
752 config_get server_addr
"$cfg" server_addr
753 [ -n "$server_addr" ] ||
return 0
755 config_get interface
"$cfg" interface
756 if [ -z "$interface" ]; then
757 xappend
"--dhcp-relay=$local_addr,$server_addr"
759 network_get_device ifname
"$interface" ||
return
760 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
767 local disabled user_dhcpscript
768 local resolvfile localuse
=0
770 config_get_bool disabled
"$cfg" disabled
0
771 [ "$disabled" -gt 0 ] && return 0
773 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
776 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
777 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
778 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
779 HOSTFILE_TMP
="${HOSTFILE}.$$"
780 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
782 # before we can call xappend
783 mkdir
-p /var
/run
/dnsmasq
/
784 mkdir
-p $
(dirname $CONFIGFILE)
785 mkdir
-p $
(dirname $HOSTFILE)
786 mkdir
-p /var
/lib
/misc
787 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
789 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
790 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
792 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
793 if [ ! -r "$dnsmasqconffile" ]; then
794 dnsmasqconffile
=/etc
/dnsmasq.conf
797 # if we did this last, we could override auto-generated config
798 [ -f "${dnsmasqconffile}" ] && {
799 xappend
"--conf-file=${dnsmasqconffile}"
802 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
805 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
806 local odhcpd_is_main odhcpd_is_enabled
807 config_get odhcpd_is_main odhcpd maindhcp
0
808 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
811 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
812 # DHCP V4 and V6 in DNSMASQ
814 elif [ "$odhcpd_is_main" -gt 0 ] ; then
815 # ODHCPD is doing it all
818 # You have ODHCPD but use DNSMASQ for DHCPV4
822 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
823 # DHCP V4 and V6 in DNSMASQ
829 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
830 if [ -x /usr
/sbin
/dhcpd
] ; then
831 if [ -x /etc
/init.d
/dhcpd
] ; then
832 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
834 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
835 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
839 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
840 append_bool
"$cfg" nodaemon
"--no-daemon"
841 append_bool
"$cfg" domainneeded
"--domain-needed"
842 append_bool
"$cfg" filterwin2k
"--filterwin2k"
843 append_bool
"$cfg" nohosts
"--no-hosts"
844 append_bool
"$cfg" nonegcache
"--no-negcache"
845 append_bool
"$cfg" strictorder
"--strict-order"
846 append_bool
"$cfg" logqueries
"--log-queries=extra"
847 append_bool
"$cfg" noresolv
"--no-resolv"
848 append_bool
"$cfg" localise_queries
"--localise-queries"
849 append_bool
"$cfg" readethers
"--read-ethers"
850 append_bool
"$cfg" dbus
"--enable-dbus"
851 append_bool
"$cfg" ubus
"--enable-ubus" 1
852 append_bool
"$cfg" expandhosts
"--expand-hosts"
853 config_get tftp_root
"$cfg" "tftp_root"
854 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
855 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
856 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
857 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
858 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
859 append_bool
"$cfg" localservice
"--local-service"
860 append_bool
"$cfg" logdhcp
"--log-dhcp"
861 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
862 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
863 append_bool
"$cfg" allservers
"--all-servers"
864 append_bool
"$cfg" noping
"--no-ping"
865 append_bool
"$cfg" rapidcommit
"--dhcp-rapid-commit"
867 append_parm
"$cfg" logfacility
"--log-facility"
869 append_parm
"$cfg" cachesize
"--cache-size"
870 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
871 append_parm
"$cfg" port
"--port"
872 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
873 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
874 append_parm
"$cfg" "queryport" "--query-port"
875 append_parm
"$cfg" "minport" "--min-port"
876 append_parm
"$cfg" "maxport" "--max-port"
877 append_parm
"$cfg" "domain" "--domain"
878 append_parm
"$cfg" "local" "--server"
879 config_list_foreach
"$cfg" "listen_address" append_listenaddress
880 config_list_foreach
"$cfg" "server" append_server
881 config_list_foreach
"$cfg" "rev_server" append_rev_server
882 config_list_foreach
"$cfg" "address" append_address
883 config_list_foreach
"$cfg" "ipset" append_ipset
885 config_list_foreach
"$cfg" "interface" append_interface
886 config_list_foreach
"$cfg" "notinterface" append_notinterface
888 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
889 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
890 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
891 append_parm
"$cfg" "serversfile" "--servers-file"
892 append_parm
"$cfg" "tftp_root" "--tftp-root"
893 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
894 append_parm
"$cfg" "local_ttl" "--local-ttl"
895 append_parm
"$cfg" "max_ttl" "--max-ttl"
896 append_parm
"$cfg" "min_cache_ttl" "--min-cache-ttl"
897 append_parm
"$cfg" "max_cache_ttl" "--max-cache-ttl"
898 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
899 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
900 config_get DOMAIN
"$cfg" domain
902 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
903 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
904 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
905 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
907 if [ -z "$ADD_LOCAL_FQDN" ] ; then
908 # maintain support for previous UCI
909 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
912 config_get user_dhcpscript
$cfg dhcpscript
913 if has_handler ||
[ -n "$user_dhcpscript" ]; then
914 xappend
"--dhcp-script=$DHCPSCRIPT"
917 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
918 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
919 config_get_bool cachelocal
"$cfg" cachelocal
1
921 config_get_bool noresolv
"$cfg" noresolv
0
922 if [ "$noresolv" != "1" ]; then
923 config_get resolvfile
"$cfg" resolvfile
/tmp
/resolv.conf.auto
924 [ -n "$resolvfile" -a ! -e "$resolvfile" ] && touch "$resolvfile"
925 xappend
"--resolv-file=$resolvfile"
926 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && localuse
=1
928 config_get_bool localuse
"$cfg" localuse
"$localuse"
930 config_get hostsfile
"$cfg" dhcphostsfile
931 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
934 config_get_bool rebind
"$cfg" rebind_protection
1
935 [ $rebind -gt 0 ] && {
937 "DNS rebinding protection is active," \
938 "will discard upstream RFC1918 responses!"
939 xappend
"--stop-dns-rebind"
941 local rebind_localhost
942 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
943 [ $rebind_localhost -gt 0 ] && {
944 log_once
"Allowing 127.0.0.0/8 responses"
945 xappend
"--rebind-localhost-ok"
948 append_rebind_domain
() {
949 log_once
"Allowing RFC1918 responses for domain $1"
950 xappend
"--rebind-domain-ok=$1"
953 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
956 config_get_bool dnssec
"$cfg" dnssec
0
957 [ "$dnssec" -gt 0 ] && {
958 xappend
"--conf-file=$TRUSTANCHORSFILE"
960 [ -x /etc
/init.d
/sysntpd
] && {
961 /etc
/init.d
/sysntpd enabled
962 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
963 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
966 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
969 config_get addmac
"$cfg" addmac
0
970 [ "$addmac" != "0" ] && {
971 [ "$addmac" = "1" ] && addmac
=
972 xappend
"--add-mac${addmac:+="$addmac"}"
975 dhcp_option_add
"$cfg" "" 0
976 dhcp_option_add
"$cfg" "" 2
978 xappend
"--dhcp-broadcast=tag:needs-broadcast"
980 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
982 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
983 xappend
"--conf-dir=$dnsmasqconfdir"
984 dnsmasqconfdir
="${dnsmasqconfdir%%,*}"
985 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
986 xappend
"--user=dnsmasq"
987 xappend
"--group=dnsmasq"
988 echo >> $CONFIGFILE_TMP
990 config_get_bool enable_tftp
"$cfg" enable_tftp
0
991 [ "$enable_tftp" -gt 0 ] && {
992 config_get tftp_root
"$cfg" tftp_root
993 append EXTRA_MOUNT
$tftp_root
996 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
997 echo >> $CONFIGFILE_TMP
999 config_get_bool dhcpbogushostname
"$cfg" dhcpbogushostname
1
1000 [ "$dhcpbogushostname" -gt 0 ] && {
1001 xappend
"--dhcp-ignore-names=tag:dhcp_bogus_hostname"
1002 [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend
"--conf-file=$DHCPBOGUSHOSTNAMEFILE"
1005 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
1006 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
1007 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
1008 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
1009 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
1010 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
1011 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
1012 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
1013 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
1014 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
1015 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
1016 [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
1018 echo >> $CONFIGFILE_TMP
1019 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
1020 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
1021 echo >> $CONFIGFILE_TMP
1023 config_get_bool boguspriv
"$cfg" boguspriv
1
1024 [ "$boguspriv" -gt 0 ] && {
1025 xappend
"--bogus-priv"
1026 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
1029 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
1030 # Enable RA feature for when/if it is constructed,
1031 # and RA is selected per interface pool (RA, DHCP, or both),
1032 # but no one (should) want RA broadcast in syslog
1033 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1034 xappend
"--enable-ra"
1035 xappend
"--quiet-ra"
1036 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
1038 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
1039 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1043 echo >> $CONFIGFILE_TMP
1044 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1045 echo >> $CONFIGFILE_TMP
1047 echo >> $CONFIGFILE_TMP
1048 mv -f $CONFIGFILE_TMP $CONFIGFILE
1049 mv -f $HOSTFILE_TMP $HOSTFILE
1051 [ "$localuse" -gt 0 ] && {
1052 rm -f /tmp
/resolv.conf
1053 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1054 echo "search $DOMAIN" >> /tmp
/resolv.conf
1056 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1057 for DNS_SERVER
in $DNS_SERVERS ; do
1058 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1062 procd_open_instance
$cfg
1063 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1064 procd_set_param
file $CONFIGFILE
1065 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1066 procd_set_param respawn
1068 procd_add_jail dnsmasq ubus log
1069 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE $DHCPBOGUSHOSTNAMEFILE /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
1070 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1072 procd_close_instance
1078 local noresolv resolvfile localuse
=0
1080 config_get_bool noresolv
"$cfg" noresolv
0
1081 config_get resolvfile
"$cfg" "resolvfile"
1083 [ "$noresolv" = 0 -a "$resolvfile" = "/tmp/resolv.conf.auto" ] && localuse
=1
1084 config_get_bool localuse
"$cfg" localuse
"$localuse"
1085 [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.auto" /tmp
/resolv.conf
1087 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1090 add_interface_trigger
()
1092 local interface ignore
1094 config_get interface
"$1" interface
1095 config_get_bool ignore
"$1" ignore
0
1097 [ -n "$interface" -a $ignore -eq 0 ] && procd_add_interface_trigger
"interface.*" "$interface" /etc
/init.d
/dnsmasq reload
1102 procd_add_reload_trigger
"dhcp" "system"
1105 config_foreach add_interface_trigger dhcp
1106 config_foreach add_interface_trigger relay
1117 local instance_found
=0
1119 .
/lib
/functions
/network.sh
1124 if [ "$type" = "dnsmasq" ]; then
1125 if [ -n "$instance" -a "$instance" = "$name" ]; then
1133 if [ -n "$instance" ]; then
1134 [ "$instance_found" -gt 0 ] ||
return
1135 dnsmasq_start
"$instance"
1137 config_foreach dnsmasq_start dnsmasq
1142 rc_procd start_service
"$@"
1143 procd_send_signal dnsmasq
"$@"
1148 local instance_found
=0
1153 if [ "$type" = "dnsmasq" ]; then
1154 if [ -n "$instance" -a "$instance" = "$name" ]; then
1162 if [ -n "$instance" ]; then
1163 [ "$instance_found" -gt 0 ] ||
return
1164 dnsmasq_stop
"$instance"
1166 config_foreach dnsmasq_stop dnsmasq