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 "$file" ] && return 0
107 config_get_bool _loctmp
"$section" "$option" 0
108 [ $_loctmp -gt 0 ] && xappend
"$value"
117 config_get _loctmp
"$section" "$option" "$default"
118 [ -z "$_loctmp" ] && return 0
119 xappend
"$switch=$_loctmp"
123 xappend
"--server=$1"
127 xappend
"--address=$1"
135 network_get_device ifname
"$1" ||
return
136 xappend
"--interface=$ifname"
139 append_notinterface
() {
140 network_get_device ifname
"$1" ||
return
141 xappend
"--except-interface=$ifname"
145 xappend
"--addn-hosts=$1"
148 append_bogusnxdomain
() {
149 xappend
"--bogus-nxdomain=$1"
152 append_pxe_service
() {
153 xappend
"--pxe-service=$1"
156 append_interface_name
() {
157 xappend
"--interface-name=$1,$2"
161 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
163 # use entry when no instance entry set, or if it matches
164 config_get found_cfg
"$cfg" "instance"
165 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
170 dhcp_subscrid_add
() {
173 config_get networkid
"$cfg" networkid
174 [ -n "$networkid" ] ||
return 0
176 config_get subscriberid
"$cfg" subscriberid
177 [ -n "$subscriberid" ] ||
return 0
179 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
181 config_get_bool force
"$cfg" force
0
183 dhcp_option_add
"$cfg" "$networkid" "$force"
186 dhcp_remoteid_add
() {
189 config_get networkid
"$cfg" networkid
190 [ -n "$networkid" ] ||
return 0
192 config_get remoteid
"$cfg" remoteid
193 [ -n "$remoteid" ] ||
return 0
195 xappend
"--dhcp-remoteid=$networkid,$remoteid"
197 config_get_bool force
"$cfg" force
0
199 dhcp_option_add
"$cfg" "$networkid" "$force"
202 dhcp_circuitid_add
() {
203 # TODO: DHCPV6 does not have circuitid; catch "option6:"
206 config_get networkid
"$cfg" networkid
207 [ -n "$networkid" ] ||
return 0
209 config_get circuitid
"$cfg" circuitid
210 [ -n "$circuitid" ] ||
return 0
212 xappend
"--dhcp-circuitid=$networkid,$circuitid"
214 config_get_bool force
"$cfg" force
0
216 dhcp_option_add
"$cfg" "$networkid" "$force"
219 dhcp_userclass_add
() {
222 config_get networkid
"$cfg" networkid
223 [ -n "$networkid" ] ||
return 0
225 config_get userclass
"$cfg" userclass
226 [ -n "$userclass" ] ||
return 0
228 xappend
"--dhcp-userclass=$networkid,$userclass"
230 config_get_bool force
"$cfg" force
0
232 dhcp_option_add
"$cfg" "$networkid" "$force"
235 dhcp_vendorclass_add
() {
236 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
239 config_get networkid
"$cfg" networkid
240 [ -n "$networkid" ] ||
return 0
242 config_get vendorclass
"$cfg" vendorclass
243 [ -n "$vendorclass" ] ||
return 0
245 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
247 config_get_bool force
"$cfg" force
0
249 dhcp_option_add
"$cfg" "$networkid" "$force"
255 config_get networkid
"$cfg" networkid
256 [ -n "$networkid" ] ||
return 0
258 config_get match
"$cfg" match
259 [ -n "$match" ] ||
return 0
261 xappend
"--dhcp-match=$networkid,$match"
263 config_get_bool force
"$cfg" force
0
265 dhcp_option_add
"$cfg" "$networkid" "$force"
270 local hosttag nametime addrs duids
272 config_get_bool force
"$cfg" force
0
274 config_get networkid
"$cfg" networkid
275 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
277 config_get_bool
enable "$cfg" enable 1
278 [ "$enable" = "0" ] && return 0
280 config_get name
"$cfg" name
281 config_get ip
"$cfg" ip
282 config_get hostid
"$cfg" hostid
284 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
286 config_get_bool dns
"$cfg" dns
0
287 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
288 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
291 config_get mac
"$cfg" mac
292 config_get duid
"$cfg" duid
293 config_get tag
"$cfg" tag
295 if [ -n "$mac" ]; then
296 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
297 # many MAC are possible to track a laptop ON/OFF dock
299 for m
in $mac; do append macs
"$m" ","; done
302 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
303 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
304 # one (virtual) machine gets one DUID per RFC3315
305 duids
="id:${duid// */}"
308 if [ -z "$macs" -a -z "$duids" ]; then
309 # --dhcp-host=lap,192.168.0.199,[::beef]
310 [ -n "$name" ] ||
return 0
315 if [ -n "$hostid" ]; then
316 hex_to_hostid hostid
"$hostid"
319 config_get_bool broadcast
"$cfg" broadcast
0
320 config_get leasetime
"$cfg" leasetime
322 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
324 hosttag
="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
325 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
327 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
328 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
329 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
331 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
335 dhcp_this_host_add
() {
339 local routerstub routername ifdashname
340 local lanaddr lanaddr6 lanaddrs6 ulaprefix
342 if [ "$mode" -gt 0 ] ; then
343 ifdashname
="${ifname//./-}"
344 routerstub
="$( md5sum /etc/os-release )"
345 routerstub
="router-${routerstub// */}"
346 routername
="$( uci_get system @system[0] hostname $routerstub )"
348 if [ "$mode" -gt 1 ] ; then
349 if [ "$mode" -gt 2 ] ; then
350 if [ "$mode" -gt 3 ] ; then
351 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
354 append_interface_name
"$routername.$DOMAIN" "$ifname"
357 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
358 append_interface_name
"$routername" "$ifname"
361 # This uses a static host file entry for only limited addresses.
362 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
363 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
364 network_get_ipaddr lanaddr
"$net"
365 network_get_ipaddrs6 lanaddrs6
"$net"
367 if [ -n "$lanaddr" ] ; then
368 dhcp_domain_add
"" "$routername" "$lanaddr"
371 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
372 for lanaddr6
in $lanaddrs6 ; do
374 "${ulaprefix%%:/*}"*)
375 dhcp_domain_add
"" "$routername" "$lanaddr6"
385 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
390 [ -n "$tag" ] ||
return 0
392 config_get_bool force
"$cfg" force
0
393 [ "$force" = "0" ] && force
=
395 config_get option
"$cfg" dhcp_option
397 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
404 config_get networkid
"$cfg" networkid
405 [ -n "$networkid" ] ||
return 0
407 config_get mac
"$cfg" mac
408 [ -n "$mac" ] ||
return 0
410 xappend
"--dhcp-mac=$networkid,$mac"
412 dhcp_option_add
"$cfg" "$networkid"
416 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
419 config_get networkid
"$cfg" networkid
421 config_get filename
"$cfg" filename
422 [ -n "$filename" ] ||
return 0
424 config_get servername
"$cfg" servername
425 config_get serveraddress
"$cfg" serveraddress
427 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
429 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
431 config_get_bool force
"$cfg" force
0
433 dhcp_option_add
"$cfg" "$networkid" "$force"
439 local dhcp6range
="::"
442 config_get net
"$cfg" interface
443 [ -n "$net" ] ||
return 0
445 config_get networkid
"$cfg" networkid
446 [ -n "$networkid" ] || networkid
="$net"
448 network_get_subnet subnet
"$net" ||
return 0
449 network_get_device ifname
"$net" ||
return 0
450 network_get_protocol proto
"$net" ||
return 0
452 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
453 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
456 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
457 # Many ISP do not have useful names for DHCP customers (your WAN).
458 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
462 # Do not support non-static interfaces for now
463 [ static
= "$proto" ] ||
return 0
465 # Override interface netmask with dhcp config if applicable
466 config_get netmask
"$cfg" netmask
"${subnet##*/}"
468 #check for an already active dhcp server on the interface, unless 'force' is set
469 config_get_bool force
"$cfg" force
0
470 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
472 config_get start
"$cfg" start
100
473 config_get limit
"$cfg" limit
150
474 config_get leasetime
"$cfg" leasetime
12h
475 config_get options
"$cfg" options
476 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
478 config_get dhcpv4
"$cfg" dhcpv4
479 config_get dhcpv6
"$cfg" dhcpv6
481 config_get ra
"$cfg" ra
482 config_get ra_management
"$cfg" ra_management
483 config_get ra_preference
"$cfg" ra_preference
484 config_get dns
"$cfg" dns
486 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
488 # Put the router host name on this DHCP served interface address(es)
489 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
491 start
="$( dhcp_calc "$start" )"
492 nettag
="${networkid:+set:${networkid},}"
494 if [ "$limit" -gt 0 ] ; then
498 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
500 if [ "$dynamicdhcp" = "0" ] ; then
502 dhcp6range
="::,static"
504 dhcp6range
="::1000,::ffff"
508 if [ "$dhcpv4" != "disabled" ] ; then
509 xappend
"--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
513 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
514 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
515 # and let some other machine(s) send RA pointing to it.
517 case $ra_preference in
519 xappend
"--ra-param=$ifname,high,0,7200"
522 xappend
"--ra-param=$ifname,low,0,7200"
525 # Send UNSOLICITED RA at default interval and live for 2 hours.
526 # TODO: convert flexible lease time into route life time (only seconds).
527 xappend
"--ra-param=$ifname,0,7200"
531 if [ "$dhcpv6" = "disabled" ] ; then
536 case $ra_management in
538 # SLACC with DCHP for extended options
539 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
542 # DHCP address and RA only for management redirection
543 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
546 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
547 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
550 # SLAAC and full DHCP
551 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
555 if [ -n "$dns" ]; then
557 for d
in $dns; do append dnss
"[$d]" ","; done
562 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
565 dhcp_option_add
"$cfg" "$networkid"
568 dhcp_option_append
() {
573 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
577 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
582 [ "$force" = "0" ] && force
=
585 config_get list_len
"$cfg" dhcp_option_LENGTH
587 if [ -n "$list_len" ]; then
588 config_list_foreach
"$cfg" dhcp_option dhcp_option_append
"$networkid" "$force"
590 config_get dhcp_option
"$cfg" dhcp_option
592 [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
595 for option
in $dhcp_option; do
596 dhcp_option_append
"$option" "$networkid" "$force"
603 local ip name names record
605 config_get names
"$cfg" name
"$2"
606 [ -n "$names" ] ||
return 0
608 config_get ip
"$cfg" ip
"$3"
609 [ -n "$ip" ] ||
return 0
611 for name
in $names; do
612 record
="${record:+$record }$name"
615 echo "$ip $record" >> $HOSTFILE
621 config_get srv
"$cfg" srv
622 [ -n "$srv" ] ||
return 0
624 config_get target
"$cfg" target
625 [ -n "$target" ] ||
return 0
627 config_get port
"$cfg" port
628 [ -n "$port" ] ||
return 0
630 config_get class
"$cfg" class
631 config_get weight
"$cfg" weight
633 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
635 xappend
"--srv-host=$service"
640 local domain relay pref
642 config_get domain
"$cfg" domain
643 [ -n "$domain" ] ||
return 0
645 config_get relay
"$cfg" relay
646 [ -n "$relay" ] ||
return 0
648 config_get pref
"$cfg" pref
0
650 local service
="$domain,$relay,$pref"
652 xappend
"--mx-host=$service"
659 config_get cname
"$cfg" cname
660 [ -n "$cname" ] ||
return 0
662 config_get target
"$cfg" target
663 [ -n "$target" ] ||
return 0
665 xappend
"--cname=${cname},${target}"
668 dhcp_hostrecord_add
() {
670 local names addresses record val
672 config_get names
"$cfg" name
"$2"
673 if [ -z "$names" ]; then
677 config_get addresses
"$cfg" ip
"$3"
678 if [ -z "$addresses" ]; then
682 for val
in $names $addresses; do
683 record
="${record:+$record,}$val"
686 xappend
"--host-record=$record"
691 local local_addr server_addr interface
693 config_get local_addr
"$cfg" local_addr
694 [ -n "$local_addr" ] ||
return 0
696 config_get server_addr
"$cfg" server_addr
697 [ -n "$server_addr" ] ||
return 0
699 config_get interface
"$cfg" interface
700 if [ -z "$interface" ]; then
701 xappend
"--dhcp-relay=$local_addr,$server_addr"
703 network_get_device ifname
"$interface" ||
return
704 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
710 local cfg
="$1" disabled resolvfile user_dhcpscript
712 config_get_bool disabled
"$cfg" disabled
0
713 [ "$disabled" -gt 0 ] && return 0
715 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
718 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
719 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
720 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
721 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
722 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
724 # before we can call xappend
725 mkdir
-p /var
/run
/dnsmasq
/
726 mkdir
-p $
(dirname $CONFIGFILE)
727 mkdir
-p $
(dirname $HOSTFILE)
728 mkdir
-p /var
/lib
/misc
729 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
731 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
733 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
734 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
736 # if we did this last, we could override auto-generated config
737 [ -f /etc
/dnsmasq.conf
] && {
738 xappend
"--conf-file=/etc/dnsmasq.conf"
741 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
744 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
745 local odhcpd_is_main odhcpd_is_enabled
746 config_get odhcpd_is_main odhcpd maindhcp
0
747 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
750 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
751 # DHCP V4 and V6 in DNSMASQ
753 elif [ "$odhcpd_is_main" -gt 0 ] ; then
754 # ODHCPD is doing it all
757 # You have ODHCPD but use DNSMASQ for DHCPV4
761 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
762 # DHCP V4 and V6 in DNSMASQ
768 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
769 if [ -x /usr
/sbin
/dhcpd
] ; then
770 if [ -x /etc
/init.d
/dhcpd
] ; then
771 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
773 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
774 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
778 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
779 append_bool
"$cfg" nodaemon
"--no-daemon"
780 append_bool
"$cfg" domainneeded
"--domain-needed"
781 append_bool
"$cfg" filterwin2k
"--filterwin2k"
782 append_bool
"$cfg" nohosts
"--no-hosts"
783 append_bool
"$cfg" nonegcache
"--no-negcache"
784 append_bool
"$cfg" strictorder
"--strict-order"
785 append_bool
"$cfg" logqueries
"--log-queries=extra"
786 append_bool
"$cfg" noresolv
"--no-resolv"
787 append_bool
"$cfg" localise_queries
"--localise-queries"
788 append_bool
"$cfg" readethers
"--read-ethers"
789 append_bool
"$cfg" dbus
"--enable-dbus"
790 append_bool
"$cfg" expandhosts
"--expand-hosts"
791 config_get tftp_root
"$cfg" "tftp_root"
792 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
793 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
794 append_bool
"$cfg" nonwildcard
"--bind-dynamic"
795 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
796 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
797 append_bool
"$cfg" localservice
"--local-service"
798 append_bool
"$cfg" logdhcp
"--log-dhcp"
799 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
800 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
801 append_bool
"$cfg" allservers
"--all-servers"
802 append_bool
"$cfg" noping
"--no-ping"
804 append_parm
"$cfg" logfacility
"--log-facility"
806 append_parm
"$cfg" cachesize
"--cache-size"
807 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
808 append_parm
"$cfg" port
"--port"
809 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
810 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
811 append_parm
"$cfg" "queryport" "--query-port"
812 append_parm
"$cfg" "minport" "--min-port"
813 append_parm
"$cfg" "maxport" "--max-port"
814 append_parm
"$cfg" "domain" "--domain"
815 append_parm
"$cfg" "local" "--server"
816 config_list_foreach
"$cfg" "server" append_server
817 config_list_foreach
"$cfg" "address" append_address
818 config_list_foreach
"$cfg" "ipset" append_ipset
819 config_list_foreach
"$cfg" "interface" append_interface
820 config_list_foreach
"$cfg" "notinterface" append_notinterface
821 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
822 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
823 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
824 append_parm
"$cfg" "serversfile" "--servers-file"
825 append_parm
"$cfg" "tftp_root" "--tftp-root"
826 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
827 append_parm
"$cfg" "local_ttl" "--local-ttl"
828 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
829 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
830 config_get DOMAIN
"$cfg" domain
832 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
833 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
834 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
835 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
837 if [ -z "$ADD_LOCAL_FQDN" ] ; then
838 # maintain support for previous UCI
839 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
842 config_get_bool readethers
"$cfg" readethers
843 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
845 config_get user_dhcpscript
$cfg dhcpscript
846 if has_handler ||
[ -n "$user_dhcpscript" ]; then
847 xappend
"--dhcp-script=$DHCPSCRIPT"
850 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
851 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
852 config_get_bool cachelocal
"$cfg" cachelocal
1
854 config_get_bool noresolv
"$cfg" noresolv
0
855 if [ "$noresolv" != "1" ]; then
856 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
857 # So jail doesn't complain if file missing
858 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
861 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
863 config_get hostsfile
"$cfg" dhcphostsfile
864 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
867 config_get_bool rebind
"$cfg" rebind_protection
1
868 [ $rebind -gt 0 ] && {
870 "DNS rebinding protection is active," \
871 "will discard upstream RFC1918 responses!"
872 xappend
"--stop-dns-rebind"
874 local rebind_localhost
875 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
876 [ $rebind_localhost -gt 0 ] && {
877 log_once
"Allowing 127.0.0.0/8 responses"
878 xappend
"--rebind-localhost-ok"
881 append_rebind_domain
() {
882 log_once
"Allowing RFC1918 responses for domain $1"
883 xappend
"--rebind-domain-ok=$1"
886 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
889 config_get_bool dnssec
"$cfg" dnssec
0
890 [ "$dnssec" -gt 0 ] && {
891 xappend
"--conf-file=$TRUSTANCHORSFILE"
893 [ -x /etc
/init.d
/sysntpd
] && {
894 /etc
/init.d
/sysntpd enabled
895 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
896 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
899 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
902 config_get addmac
"$cfg" addmac
0
903 [ "$addmac" != "0" ] && {
904 [ "$addmac" = "1" ] && addmac
=
905 xappend
"--add-mac${addmac:+="$addmac"}"
908 dhcp_option_add
"$cfg" "" 0
910 xappend
"--dhcp-broadcast=tag:needs-broadcast"
912 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
914 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
915 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
916 xappend
"--conf-dir=$dnsmasqconfdir"
917 xappend
"--user=dnsmasq"
918 xappend
"--group=dnsmasq"
919 echo >> $CONFIGFILE_TMP
921 config_get_bool enable_tftp
"$cfg" enable_tftp
0
922 [ "$enable_tftp" -gt 0 ] && {
923 config_get tftp_root
"$cfg" tftp_root
924 append EXTRA_MOUNT
$tftp_root
927 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
928 echo >> $CONFIGFILE_TMP
929 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
930 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
931 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
932 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
933 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
934 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
935 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
936 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
937 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
938 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
939 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
940 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
942 echo >> $CONFIGFILE_TMP
943 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
944 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
945 echo >> $CONFIGFILE_TMP
947 config_get_bool boguspriv
"$cfg" boguspriv
1
948 [ "$boguspriv" -gt 0 ] && {
949 xappend
"--bogus-priv"
950 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
953 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
954 # Enable RA feature for when/if it is constructed,
955 # and RA is selected per interface pool (RA, DHCP, or both),
956 # but no one (should) want RA broadcast in syslog
957 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
958 xappend
"--enable-ra"
960 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
962 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
963 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
967 echo >> $CONFIGFILE_TMP
968 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
969 echo >> $CONFIGFILE_TMP
971 echo >> $CONFIGFILE_TMP
972 mv -f $CONFIGFILE_TMP $CONFIGFILE
974 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
975 rm -f /tmp
/resolv.conf
976 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
977 echo "search $DOMAIN" >> /tmp
/resolv.conf
979 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
980 for DNS_SERVER
in $DNS_SERVERS ; do
981 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
985 procd_open_instance
$cfg
986 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
987 procd_set_param
file $CONFIGFILE
988 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
989 procd_set_param respawn
991 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
992 if [ ! -r "$dnsmasqconffile" ]; then
993 dnsmasqconffile
=/etc
/dnsmasq.conf
996 procd_add_jail dnsmasq ubus log
997 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
998 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1000 procd_close_instance
1007 config_get resolvfile
"$cfg" "resolvfile"
1009 #relink /tmp/resolve.conf only for main instance
1010 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1011 [ -f /tmp
/resolv.conf
] && {
1012 rm -f /tmp
/resolv.conf
1013 ln -s "$resolvfile" /tmp
/resolv.conf
1017 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1022 procd_add_reload_trigger
"dhcp"
1023 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1034 local instance_found
=0
1036 [ -n "$BOOT" ] && return
1038 .
/lib
/functions
/network.sh
1043 if [ "$type" = "dnsmasq" ]; then
1044 if [ -n "$instance" -a "$instance" = "$name" ]; then
1052 if [ -n "$instance" ]; then
1053 [ "$instance_found" -gt 0 ] ||
return
1054 dnsmasq_start
"$instance"
1056 config_foreach dnsmasq_start dnsmasq
1061 rc_procd start_service
"$@"
1067 local instance_found
=0
1072 if [ "$type" = "dnsmasq" ]; then
1073 if [ -n "$instance" -a "$instance" = "$name" ]; then
1081 if [ -n "$instance" ]; then
1082 [ "$instance_found" -gt 0 ] ||
return
1083 dnsmasq_stop
"$instance"
1085 config_foreach dnsmasq_stop dnsmasq