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_ignore_opt
() {
28 if [ -z "$dnsmasq_features" ]; then
29 dnsmasq_features
="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
30 [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp
=1
31 [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6
=1
32 [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec
=1
33 [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp
=1
34 [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset
=1
40 [ -z "$dnsmasq_has_dhcp6" ] ;;
44 [ -z "$dnsmasq_has_dhcp" ] ;;
47 if [ -z "$dnsmasq_has_dnssec" ]; then
48 echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
53 [ -z "$dnsmasq_has_tftp" ] ;;
55 [ -z "$dnsmasq_has_ipset" ] ;;
63 local opt
="${value%%=*}"
65 if ! dnsmasq_ignore_opt
"$opt"; then
66 echo "$value" >>$CONFIGFILE_TMP
72 local hex
="${2#0x}" # strip optional "0x" prefix
74 if [ -n "${hex//[0-9a-fA-F]/}" ]; then
75 # is invalid hex literal
79 # convert into host id
82 $(((0x$hex >> 16) % 65536)) \
93 while [ -n "$ip" ]; do
96 res
="$(($res + $part))"
97 [ "${ip%.*}" != "$ip" ] && ip
="${ip#*.}" || ip
=
104 local stamp
="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
107 [ -s "$stamp" ] && return $
(cat "$stamp")
109 # If there's no carrier yet, skip this interface.
110 # The init script will be called again once the link is up
111 case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
115 udhcpc
-n -q -s /bin
/true
-t 1 -i "$ifname" >&- && rv
=1 || rv
=0
122 pidof dnsmasq
>/dev
/null || \
123 logger
-t dnsmasq
"$@"
129 for file in /etc
/hotplug.d
/dhcp
/* /etc
/hotplug.d
/tftp
/* /etc
/hotplug.d
/neigh
/*; do
130 [ -f "$file" ] && return 0
142 [ -z "$default" ] && default
="0"
143 config_get_bool _loctmp
"$section" "$option" "$default"
144 [ $_loctmp -gt 0 ] && xappend
"$value"
153 config_get _loctmp
"$section" "$option" "$default"
154 [ -z "$_loctmp" ] && return 0
155 xappend
"$switch=$_loctmp"
159 xappend
"--server=$1"
162 append_rev_server
() {
163 xappend
"--rev-server=$1"
167 xappend
"--address=$1"
175 network_get_device ifname
"$1" || ifname
="$1"
176 xappend
"--interface=$ifname"
179 append_listenaddress
() {
180 xappend
"--listen-address=$1"
183 append_notinterface
() {
184 network_get_device ifname
"$1" || ifname
="$1"
185 xappend
"--except-interface=$ifname"
189 xappend
"--addn-hosts=$1"
192 append_bogusnxdomain
() {
193 xappend
"--bogus-nxdomain=$1"
196 append_pxe_service
() {
197 xappend
"--pxe-service=$1"
200 append_interface_name
() {
201 xappend
"--interface-name=$1,$2"
205 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
207 # use entry when no instance entry set, or if it matches
208 config_get found_cfg
"$cfg" "instance"
209 if [ -z "$found_cfg" ] ||
[ "$found_cfg" = "$match_cfg" ]; then
214 dhcp_subscrid_add
() {
217 config_get networkid
"$cfg" networkid
218 [ -n "$networkid" ] ||
return 0
220 config_get subscriberid
"$cfg" subscriberid
221 [ -n "$subscriberid" ] ||
return 0
223 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
225 config_get_bool force
"$cfg" force
0
227 dhcp_option_add
"$cfg" "$networkid" "$force"
230 dhcp_remoteid_add
() {
233 config_get networkid
"$cfg" networkid
234 [ -n "$networkid" ] ||
return 0
236 config_get remoteid
"$cfg" remoteid
237 [ -n "$remoteid" ] ||
return 0
239 xappend
"--dhcp-remoteid=$networkid,$remoteid"
241 config_get_bool force
"$cfg" force
0
243 dhcp_option_add
"$cfg" "$networkid" "$force"
246 dhcp_circuitid_add
() {
247 # TODO: DHCPV6 does not have circuitid; catch "option6:"
250 config_get networkid
"$cfg" networkid
251 [ -n "$networkid" ] ||
return 0
253 config_get circuitid
"$cfg" circuitid
254 [ -n "$circuitid" ] ||
return 0
256 xappend
"--dhcp-circuitid=$networkid,$circuitid"
258 config_get_bool force
"$cfg" force
0
260 dhcp_option_add
"$cfg" "$networkid" "$force"
263 dhcp_userclass_add
() {
266 config_get networkid
"$cfg" networkid
267 [ -n "$networkid" ] ||
return 0
269 config_get userclass
"$cfg" userclass
270 [ -n "$userclass" ] ||
return 0
272 xappend
"--dhcp-userclass=$networkid,$userclass"
274 config_get_bool force
"$cfg" force
0
276 dhcp_option_add
"$cfg" "$networkid" "$force"
279 dhcp_vendorclass_add
() {
280 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
283 config_get networkid
"$cfg" networkid
284 [ -n "$networkid" ] ||
return 0
286 config_get vendorclass
"$cfg" vendorclass
287 [ -n "$vendorclass" ] ||
return 0
289 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
291 config_get_bool force
"$cfg" force
0
293 dhcp_option_add
"$cfg" "$networkid" "$force"
299 config_get networkid
"$cfg" networkid
300 [ -n "$networkid" ] ||
return 0
302 config_get match
"$cfg" match
303 [ -n "$match" ] ||
return 0
305 xappend
"--dhcp-match=$networkid,$match"
307 config_get_bool force
"$cfg" force
0
309 dhcp_option_add
"$cfg" "$networkid" "$force"
314 local hosttag nametime addrs duids macs tags
316 config_get_bool force
"$cfg" force
0
318 config_get networkid
"$cfg" networkid
319 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
321 config_get_bool
enable "$cfg" enable 1
322 [ "$enable" = "0" ] && return 0
324 config_get name
"$cfg" name
325 config_get ip
"$cfg" ip
326 config_get hostid
"$cfg" hostid
328 [ -z "$ip" ] && [ -z "$name" ] && [ -z "$hostid" ] && return 0
330 config_get_bool dns
"$cfg" dns
0
331 [ "$dns" = "1" ] && [ -n "$ip" ] && [ -n "$name" ] && {
332 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
335 config_get mac
"$cfg" mac
336 config_get duid
"$cfg" duid
337 config_get tag
"$cfg" tag
339 if [ -n "$mac" ]; then
340 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
341 # many MAC are possible to track a laptop ON/OFF dock
342 for m
in $mac; do append macs
"$m" ","; done
345 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ -n "$duid" ]; then
346 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
347 # one (virtual) machine gets one DUID per RFC3315
348 duids
="id:${duid// */}"
351 if [ -z "$macs" ] && [ -z "$duids" ]; then
352 # --dhcp-host=lap,192.168.0.199,[::beef]
353 [ -n "$name" ] ||
return 0
358 if [ -n "$hostid" ]; then
359 hex_to_hostid hostid
"$hostid"
362 if [ -n "$tag" ]; then
363 for t
in $tag; do append tags
"$t" ",set:"; done
366 config_get_bool broadcast
"$cfg" broadcast
0
367 config_get leasetime
"$cfg" leasetime
369 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
371 hosttag
="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
372 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
374 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
375 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
376 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
378 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
382 dhcp_this_host_add
() {
386 local routerstub routername ifdashname
387 local lanaddr lanaddr6 lanaddrs6 ulaprefix
389 if [ "$mode" -gt 0 ] ; then
390 ifdashname
="${ifname//./-}"
391 routerstub
="$( md5sum /etc/os-release )"
392 routerstub
="router-${routerstub// */}"
393 routername
="$( uci_get system @system[0] hostname $routerstub )"
395 if [ "$mode" -gt 1 ] ; then
396 if [ "$mode" -gt 2 ] ; then
397 if [ "$mode" -gt 3 ] ; then
398 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
401 append_interface_name
"$routername.$DOMAIN" "$ifname"
404 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
405 append_interface_name
"$routername" "$ifname"
408 # This uses a static host file entry for only limited addresses.
409 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
410 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
411 network_get_ipaddr lanaddr
"$net"
412 network_get_ipaddrs6 lanaddrs6
"$net"
414 if [ -n "$lanaddr" ] ; then
415 dhcp_domain_add
"" "$routername" "$lanaddr"
418 if [ -n "$ulaprefix" ] && [ -n "$lanaddrs6" ] ; then
419 for lanaddr6
in $lanaddrs6 ; do
421 "${ulaprefix%%:/*}"*)
422 dhcp_domain_add
"" "$routername" "$lanaddr6"
432 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
437 [ -n "$tag" ] ||
return 0
439 config_get_bool force
"$cfg" force
0
440 [ "$force" = "0" ] && force
=
442 config_get option
"$cfg" dhcp_option
444 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
451 config_get networkid
"$cfg" networkid
452 [ -n "$networkid" ] ||
return 0
454 config_get mac
"$cfg" mac
455 [ -n "$mac" ] ||
return 0
457 xappend
"--dhcp-mac=$networkid,$mac"
459 dhcp_option_add
"$cfg" "$networkid"
463 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
466 config_get networkid
"$cfg" networkid
468 config_get filename
"$cfg" filename
469 [ -n "$filename" ] ||
return 0
471 config_get servername
"$cfg" servername
472 config_get serveraddress
"$cfg" serveraddress
474 [ -n "$serveraddress" ] && [ ! -n "$servername" ] && return 0
476 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
478 config_get_bool force
"$cfg" force
0
480 dhcp_option_add
"$cfg" "$networkid" "$force"
486 local dhcp6range
="::"
490 config_get net
"$cfg" interface
491 [ -n "$net" ] ||
return 0
493 config_get networkid
"$cfg" networkid
494 [ -n "$networkid" ] || networkid
="$net"
496 network_get_device ifname
"$net" ||
return 0
498 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
499 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
502 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
503 # Many ISP do not have useful names for DHCP customers (your WAN).
504 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
508 network_get_subnet subnet
"$net" ||
return 0
509 network_get_protocol proto
"$net" ||
return 0
511 # Do not support non-static interfaces for now
512 [ static
= "$proto" ] ||
return 0
514 # Override interface netmask with dhcp config if applicable
515 config_get netmask
"$cfg" netmask
"${subnet##*/}"
517 #check for an already active dhcp server on the interface, unless 'force' is set
518 config_get_bool force
"$cfg" force
0
519 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
{
521 "found already running DHCP-server on interface '$ifname'" \
522 "refusing to start, use 'option force 1' to override"
526 config_get start
"$cfg" start
100
527 config_get limit
"$cfg" limit
150
528 config_get leasetime
"$cfg" leasetime
12h
529 config_get options
"$cfg" options
530 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
532 config_get dhcpv4
"$cfg" dhcpv4
533 config_get dhcpv6
"$cfg" dhcpv6
535 config_get ra
"$cfg" ra
536 config_get ra_management
"$cfg" ra_management
537 config_get ra_preference
"$cfg" ra_preference
538 config_get dns
"$cfg" dns
540 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
542 # Put the router host name on this DHCP served interface address(es)
543 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
545 start
="$( dhcp_calc "$start" )"
548 tags
="${tags}tag:$1,"
550 config_list_foreach
"$cfg" tag add_tag
552 nettag
="${networkid:+set:${networkid},}"
554 if [ "$limit" -gt 0 ] ; then
558 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
560 if [ "$dynamicdhcp" = "0" ] ; then
562 dhcp6range
="::,static"
564 dhcp6range
="::1000,::ffff"
568 if [ "$dhcpv4" != "disabled" ] ; then
569 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
573 if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ "$ra" = "server" ] ; then
574 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
575 # and let some other machine(s) send RA pointing to it.
577 case $ra_preference in
579 xappend
"--ra-param=$ifname,high,0,7200"
582 xappend
"--ra-param=$ifname,low,0,7200"
585 # Send UNSOLICITED RA at default interval and live for 2 hours.
586 # TODO: convert flexible lease time into route life time (only seconds).
587 xappend
"--ra-param=$ifname,0,7200"
591 if [ "$dhcpv6" = "disabled" ] ; then
596 case $ra_management in
598 # SLACC with DCHP for extended options
599 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
602 # DHCP address and RA only for management redirection
603 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
606 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
607 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
610 # SLAAC and full DHCP
611 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
615 if [ -n "$dns" ]; then
617 for d
in $dns; do append dnss
"[$d]" ","; done
622 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
625 dhcp_option_add
"$cfg" "$networkid" 0
626 dhcp_option_add
"$cfg" "$networkid" 2
629 dhcp_option_append
() {
634 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
638 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
642 local opt
="dhcp_option"
644 [ "$force" = "0" ] && force
=
645 [ "$force" = "2" ] && opt
="dhcp_option_force"
648 config_get list_len
"$cfg" "${opt}_LENGTH"
650 if [ -n "$list_len" ]; then
651 config_list_foreach
"$cfg" "$opt" dhcp_option_append
"$networkid" "$force"
653 config_get dhcp_option
"$cfg" "$opt"
655 [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
658 for option
in $dhcp_option; do
659 dhcp_option_append
"$option" "$networkid" "$force"
666 local ip name names record
668 config_get names
"$cfg" name
"$2"
669 [ -n "$names" ] ||
return 0
671 config_get ip
"$cfg" ip
"$3"
672 [ -n "$ip" ] ||
return 0
674 for name
in $names; do
675 record
="${record:+$record }$name"
678 echo "$ip $record" >> $HOSTFILE_TMP
684 config_get srv
"$cfg" srv
685 [ -n "$srv" ] ||
return 0
687 config_get target
"$cfg" target
688 [ -n "$target" ] ||
return 0
690 config_get port
"$cfg" port
691 [ -n "$port" ] ||
return 0
693 config_get class
"$cfg" class
694 config_get weight
"$cfg" weight
696 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
698 xappend
"--srv-host=$service"
703 local domain relay pref
705 config_get domain
"$cfg" domain
706 [ -n "$domain" ] ||
return 0
708 config_get relay
"$cfg" relay
709 [ -n "$relay" ] ||
return 0
711 config_get pref
"$cfg" pref
0
713 local service
="$domain,$relay,$pref"
715 xappend
"--mx-host=$service"
722 config_get cname
"$cfg" cname
723 [ -n "$cname" ] ||
return 0
725 config_get target
"$cfg" target
726 [ -n "$target" ] ||
return 0
728 xappend
"--cname=${cname},${target}"
731 dhcp_hostrecord_add
() {
733 local names addresses record val
735 config_get names
"$cfg" name
"$2"
736 if [ -z "$names" ]; then
740 config_get addresses
"$cfg" ip
"$3"
741 if [ -z "$addresses" ]; then
745 for val
in $names $addresses; do
746 record
="${record:+$record,}$val"
749 xappend
"--host-record=$record"
754 local local_addr server_addr interface
756 config_get local_addr
"$cfg" local_addr
757 [ -n "$local_addr" ] ||
return 0
759 config_get server_addr
"$cfg" server_addr
760 [ -n "$server_addr" ] ||
return 0
762 config_get interface
"$cfg" interface
763 if [ -z "$interface" ]; then
764 xappend
"--dhcp-relay=$local_addr,$server_addr"
766 network_get_device ifname
"$interface" ||
return
767 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
774 local disabled user_dhcpscript
775 local resolvfile resolvdir localuse
=0
777 config_get_bool disabled
"$cfg" disabled
0
778 [ "$disabled" -gt 0 ] && return 0
780 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
783 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
784 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
785 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
786 HOSTFILE_TMP
="${HOSTFILE}.$$"
787 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
789 # before we can call xappend
790 mkdir
-p /var
/run
/dnsmasq
/
791 mkdir
-p $
(dirname $CONFIGFILE)
792 mkdir
-p $
(dirname $HOSTFILE)
793 mkdir
-p /var
/lib
/misc
794 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
796 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
797 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
799 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
800 if [ ! -r "$dnsmasqconffile" ]; then
801 dnsmasqconffile
=/etc
/dnsmasq.conf
804 # if we did this last, we could override auto-generated config
805 [ -f "${dnsmasqconffile}" ] && {
806 xappend
"--conf-file=${dnsmasqconffile}"
809 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
812 if [ -x /usr
/sbin
/odhcpd
] && [ -x /etc
/init.d
/odhcpd
] ; then
813 local odhcpd_is_main odhcpd_is_enabled
814 config_get odhcpd_is_main odhcpd maindhcp
0
815 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
818 if [ "$odhcpd_is_enabled" -eq 0 ] && [ "$DHCPv6CAPABLE" -eq 1 ] ; then
819 # DHCP V4 and V6 in DNSMASQ
821 elif [ "$odhcpd_is_main" -gt 0 ] ; then
822 # ODHCPD is doing it all
825 # You have ODHCPD but use DNSMASQ for DHCPV4
829 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
830 # DHCP V4 and V6 in DNSMASQ
836 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
837 if [ -x /usr
/sbin
/dhcpd
] ; then
838 if [ -x /etc
/init.d
/dhcpd
] ; then
839 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
841 if [ -x /etc
/init.d
/dhcpd6
] && [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
842 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
846 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
847 append_bool
"$cfg" nodaemon
"--no-daemon"
848 append_bool
"$cfg" domainneeded
"--domain-needed"
849 append_bool
"$cfg" filterwin2k
"--filterwin2k"
850 append_bool
"$cfg" nohosts
"--no-hosts"
851 append_bool
"$cfg" nonegcache
"--no-negcache"
852 append_bool
"$cfg" strictorder
"--strict-order"
853 append_bool
"$cfg" logqueries
"--log-queries=extra"
854 append_bool
"$cfg" noresolv
"--no-resolv"
855 append_bool
"$cfg" localise_queries
"--localise-queries"
856 append_bool
"$cfg" readethers
"--read-ethers"
857 append_bool
"$cfg" dbus
"--enable-dbus"
858 append_bool
"$cfg" ubus
"--enable-ubus" 1
859 append_bool
"$cfg" expandhosts
"--expand-hosts"
860 config_get tftp_root
"$cfg" "tftp_root"
861 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
862 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
863 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
864 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
865 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
866 append_bool
"$cfg" localservice
"--local-service"
867 append_bool
"$cfg" logdhcp
"--log-dhcp"
868 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
869 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
870 append_bool
"$cfg" allservers
"--all-servers"
871 append_bool
"$cfg" noping
"--no-ping"
872 append_bool
"$cfg" rapidcommit
"--dhcp-rapid-commit"
873 append_bool
"$cfg" scriptarp
"--script-arp"
875 append_parm
"$cfg" logfacility
"--log-facility"
877 append_parm
"$cfg" cachesize
"--cache-size"
878 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
879 append_parm
"$cfg" port
"--port"
880 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
881 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
882 append_parm
"$cfg" "queryport" "--query-port"
883 append_parm
"$cfg" "minport" "--min-port"
884 append_parm
"$cfg" "maxport" "--max-port"
885 append_parm
"$cfg" "domain" "--domain"
886 append_parm
"$cfg" "local" "--server"
887 config_list_foreach
"$cfg" "listen_address" append_listenaddress
888 config_list_foreach
"$cfg" "server" append_server
889 config_list_foreach
"$cfg" "rev_server" append_rev_server
890 config_list_foreach
"$cfg" "address" append_address
891 config_list_foreach
"$cfg" "ipset" append_ipset
893 config_list_foreach
"$cfg" "interface" append_interface
894 config_list_foreach
"$cfg" "notinterface" append_notinterface
896 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
897 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
898 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
899 append_parm
"$cfg" "serversfile" "--servers-file"
900 append_parm
"$cfg" "tftp_root" "--tftp-root"
901 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
902 append_parm
"$cfg" "local_ttl" "--local-ttl"
903 append_parm
"$cfg" "max_ttl" "--max-ttl"
904 append_parm
"$cfg" "min_cache_ttl" "--min-cache-ttl"
905 append_parm
"$cfg" "max_cache_ttl" "--max-cache-ttl"
906 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
907 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
908 config_get DOMAIN
"$cfg" domain
910 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
911 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
912 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
913 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
915 if [ -z "$ADD_LOCAL_FQDN" ] ; then
916 # maintain support for previous UCI
917 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
920 config_get user_dhcpscript
$cfg dhcpscript
921 if has_handler ||
[ -n "$user_dhcpscript" ]; then
922 xappend
"--dhcp-script=$DHCPSCRIPT"
923 xappend
"--script-arp"
926 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
927 [ -n "$leasefile" ] && [ ! -e "$leasefile" ] && touch "$leasefile"
928 config_get_bool cachelocal
"$cfg" cachelocal
1
930 config_get_bool noresolv
"$cfg" noresolv
0
931 if [ "$noresolv" != "1" ]; then
932 config_get resolvfile
"$cfg" resolvfile
/tmp
/resolv.conf.d
/resolv.conf.auto
933 [ -n "$resolvfile" ] && [ ! -e "$resolvfile" ] && touch "$resolvfile"
934 xappend
"--resolv-file=$resolvfile"
935 [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
936 resolvdir
="$(dirname "$resolvfile")"
938 config_get_bool localuse
"$cfg" localuse
"$localuse"
940 config_get hostsfile
"$cfg" dhcphostsfile
941 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
944 config_get_bool rebind
"$cfg" rebind_protection
1
945 [ $rebind -gt 0 ] && {
947 "DNS rebinding protection is active," \
948 "will discard upstream RFC1918 responses!"
949 xappend
"--stop-dns-rebind"
951 local rebind_localhost
952 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
953 [ $rebind_localhost -gt 0 ] && {
954 log_once
"Allowing 127.0.0.0/8 responses"
955 xappend
"--rebind-localhost-ok"
958 append_rebind_domain
() {
959 log_once
"Allowing RFC1918 responses for domain $1"
960 xappend
"--rebind-domain-ok=$1"
963 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
966 config_get_bool dnssec
"$cfg" dnssec
0
967 [ "$dnssec" -gt 0 ] && {
968 xappend
"--conf-file=$TRUSTANCHORSFILE"
970 [ -x /etc
/init.d
/sysntpd
] && {
971 if /etc
/init.d
/sysntpd enabled ||
[ "$(uci_get system.ntp.enabled)" = "1" ] ; then
972 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
975 config_get_bool dnsseccheckunsigned
"$cfg" dnsseccheckunsigned
1
976 [ "$dnsseccheckunsigned" -eq 0 ] && xappend
"--dnssec-check-unsigned=no"
979 config_get addmac
"$cfg" addmac
0
980 [ "$addmac" != "0" ] && {
981 [ "$addmac" = "1" ] && addmac
=
982 xappend
"--add-mac${addmac:+="$addmac"}"
985 dhcp_option_add
"$cfg" "" 0
986 dhcp_option_add
"$cfg" "" 2
988 xappend
"--dhcp-broadcast=tag:needs-broadcast"
990 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
992 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
993 xappend
"--conf-dir=$dnsmasqconfdir"
994 dnsmasqconfdir
="${dnsmasqconfdir%%,*}"
995 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
996 xappend
"--user=dnsmasq"
997 xappend
"--group=dnsmasq"
998 echo >> $CONFIGFILE_TMP
1000 config_get_bool enable_tftp
"$cfg" enable_tftp
0
1001 [ "$enable_tftp" -gt 0 ] && {
1002 config_get tftp_root
"$cfg" tftp_root
1003 append EXTRA_MOUNT
$tftp_root
1006 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
1007 echo >> $CONFIGFILE_TMP
1009 config_get_bool dhcpbogushostname
"$cfg" dhcpbogushostname
1
1010 [ "$dhcpbogushostname" -gt 0 ] && {
1011 xappend
"--dhcp-ignore-names=tag:dhcp_bogus_hostname"
1012 [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend
"--conf-file=$DHCPBOGUSHOSTNAMEFILE"
1015 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
1016 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
1017 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
1018 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
1019 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
1020 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
1021 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
1022 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
1023 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
1024 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
1025 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
1026 [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
1028 echo >> $CONFIGFILE_TMP
1029 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
1030 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
1031 echo >> $CONFIGFILE_TMP
1033 config_get_bool boguspriv
"$cfg" boguspriv
1
1034 [ "$boguspriv" -gt 0 ] && {
1035 xappend
"--bogus-priv"
1036 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
1039 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
1040 # Enable RA feature for when/if it is constructed,
1041 # and RA is selected per interface pool (RA, DHCP, or both),
1042 # but no one (should) want RA broadcast in syslog
1043 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1044 xappend
"--enable-ra"
1045 xappend
"--quiet-ra"
1046 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
1048 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
1049 [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
1053 echo >> $CONFIGFILE_TMP
1054 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
1055 echo >> $CONFIGFILE_TMP
1057 echo >> $CONFIGFILE_TMP
1058 mv -f $CONFIGFILE_TMP $CONFIGFILE
1059 mv -f $HOSTFILE_TMP $HOSTFILE
1061 [ "$localuse" -gt 0 ] && {
1062 rm -f /tmp
/resolv.conf
1063 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
1064 echo "search $DOMAIN" >> /tmp
/resolv.conf
1066 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
1067 for DNS_SERVER
in $DNS_SERVERS ; do
1068 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
1072 procd_open_instance
$cfg
1073 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
1074 procd_set_param
file $CONFIGFILE
1075 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
1076 procd_set_param respawn
1078 procd_add_jail dnsmasq ubus log
1079 procd_add_jail_mount
$CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE $DHCPBOGUSHOSTNAMEFILE /etc
/passwd
/etc
/group
/etc
/TZ
/dev
/null
/dev
/urandom
$dnsmasqconffile $dnsmasqconfdir $resolvdir $user_dhcpscript /etc
/hosts
/etc
/ethers
/sbin
/hotplug-call
$EXTRA_MOUNT $DHCPSCRIPT
1080 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1082 procd_close_instance
1088 local noresolv resolvfile localuse
=0
1090 config_get_bool noresolv
"$cfg" noresolv
0
1091 config_get resolvfile
"$cfg" "resolvfile"
1093 [ "$noresolv" = 0 ] && [ "$resolvfile" = "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse
=1
1094 config_get_bool localuse
"$cfg" localuse
"$localuse"
1095 [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.d/resolv.conf.auto" /tmp
/resolv.conf
1097 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1100 add_interface_trigger
()
1102 local interface ignore
1104 config_get interface
"$1" interface
1105 config_get_bool ignore
"$1" ignore
0
1107 [ -n "$interface" ] && [ $ignore -eq 0 ] && procd_add_interface_trigger
"interface.*" "$interface" /etc
/init.d
/dnsmasq reload
1112 procd_add_reload_trigger
"dhcp" "system"
1115 config_foreach add_interface_trigger dhcp
1116 config_foreach add_interface_trigger relay
1127 local instance_found
=0
1129 .
/lib
/functions
/network.sh
1134 if [ "$type" = "dnsmasq" ]; then
1135 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1143 if [ -n "$instance" ]; then
1144 [ "$instance_found" -gt 0 ] ||
return
1145 dnsmasq_start
"$instance"
1147 config_foreach dnsmasq_start dnsmasq
1152 rc_procd start_service
"$@"
1153 procd_send_signal dnsmasq
"$@"
1158 local instance_found
=0
1163 if [ "$type" = "dnsmasq" ]; then
1164 if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
1172 if [ -n "$instance" ]; then
1173 [ "$instance_found" -gt 0 ] ||
return
1174 dnsmasq_stop
"$instance"
1176 config_foreach dnsmasq_stop dnsmasq