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"
129 xappend
"--address=$1"
137 network_get_device ifname
"$1" ||
return
138 xappend
"--interface=$ifname"
141 append_notinterface
() {
142 network_get_device ifname
"$1" ||
return
143 xappend
"--except-interface=$ifname"
147 xappend
"--addn-hosts=$1"
150 append_bogusnxdomain
() {
151 xappend
"--bogus-nxdomain=$1"
154 append_pxe_service
() {
155 xappend
"--pxe-service=$1"
158 append_interface_name
() {
159 xappend
"--interface-name=$1,$2"
163 local cfg
="$1" func
="$2" match_cfg
="$3" found_cfg
165 # use entry when no instance entry set, or if it matches
166 config_get found_cfg
"$cfg" "instance"
167 if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
172 dhcp_subscrid_add
() {
175 config_get networkid
"$cfg" networkid
176 [ -n "$networkid" ] ||
return 0
178 config_get subscriberid
"$cfg" subscriberid
179 [ -n "$subscriberid" ] ||
return 0
181 xappend
"--dhcp-subscrid=$networkid,$subscriberid"
183 config_get_bool force
"$cfg" force
0
185 dhcp_option_add
"$cfg" "$networkid" "$force"
188 dhcp_remoteid_add
() {
191 config_get networkid
"$cfg" networkid
192 [ -n "$networkid" ] ||
return 0
194 config_get remoteid
"$cfg" remoteid
195 [ -n "$remoteid" ] ||
return 0
197 xappend
"--dhcp-remoteid=$networkid,$remoteid"
199 config_get_bool force
"$cfg" force
0
201 dhcp_option_add
"$cfg" "$networkid" "$force"
204 dhcp_circuitid_add
() {
205 # TODO: DHCPV6 does not have circuitid; catch "option6:"
208 config_get networkid
"$cfg" networkid
209 [ -n "$networkid" ] ||
return 0
211 config_get circuitid
"$cfg" circuitid
212 [ -n "$circuitid" ] ||
return 0
214 xappend
"--dhcp-circuitid=$networkid,$circuitid"
216 config_get_bool force
"$cfg" force
0
218 dhcp_option_add
"$cfg" "$networkid" "$force"
221 dhcp_userclass_add
() {
224 config_get networkid
"$cfg" networkid
225 [ -n "$networkid" ] ||
return 0
227 config_get userclass
"$cfg" userclass
228 [ -n "$userclass" ] ||
return 0
230 xappend
"--dhcp-userclass=$networkid,$userclass"
232 config_get_bool force
"$cfg" force
0
234 dhcp_option_add
"$cfg" "$networkid" "$force"
237 dhcp_vendorclass_add
() {
238 # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup?
241 config_get networkid
"$cfg" networkid
242 [ -n "$networkid" ] ||
return 0
244 config_get vendorclass
"$cfg" vendorclass
245 [ -n "$vendorclass" ] ||
return 0
247 xappend
"--dhcp-vendorclass=$networkid,$vendorclass"
249 config_get_bool force
"$cfg" force
0
251 dhcp_option_add
"$cfg" "$networkid" "$force"
257 config_get networkid
"$cfg" networkid
258 [ -n "$networkid" ] ||
return 0
260 config_get match
"$cfg" match
261 [ -n "$match" ] ||
return 0
263 xappend
"--dhcp-match=$networkid,$match"
265 config_get_bool force
"$cfg" force
0
267 dhcp_option_add
"$cfg" "$networkid" "$force"
272 local hosttag nametime addrs duids
274 config_get_bool force
"$cfg" force
0
276 config_get networkid
"$cfg" networkid
277 [ -n "$networkid" ] && dhcp_option_add
"$cfg" "$networkid" "$force"
279 config_get_bool
enable "$cfg" enable 1
280 [ "$enable" = "0" ] && return 0
282 config_get name
"$cfg" name
283 config_get ip
"$cfg" ip
284 config_get hostid
"$cfg" hostid
286 [ -n "$ip" -o -n "$name" -o -n "$hostid" ] ||
return 0
288 config_get_bool dns
"$cfg" dns
0
289 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
290 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
293 config_get mac
"$cfg" mac
294 config_get duid
"$cfg" duid
295 config_get tag
"$cfg" tag
297 if [ -n "$mac" ]; then
298 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
299 # many MAC are possible to track a laptop ON/OFF dock
301 for m
in $mac; do append macs
"$m" ","; done
304 if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
305 # --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
306 # one (virtual) machine gets one DUID per RFC3315
307 duids
="id:${duid// */}"
310 if [ -z "$macs" -a -z "$duids" ]; then
311 # --dhcp-host=lap,192.168.0.199,[::beef]
312 [ -n "$name" ] ||
return 0
317 if [ -n "$hostid" ]; then
318 hex_to_hostid hostid
"$hostid"
321 config_get_bool broadcast
"$cfg" broadcast
0
322 config_get leasetime
"$cfg" leasetime
324 [ "$broadcast" = "0" ] && broadcast
= || broadcast
=",set:needs-broadcast"
326 hosttag
="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
327 nametime
="${name:+,$name}${leasetime:+,$leasetime}"
329 if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
330 addrs
="${ip:+,$ip}${hostid:+,[::$hostid]}"
331 xappend
"--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
333 xappend
"--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
337 dhcp_this_host_add
() {
341 local routerstub routername ifdashname
342 local lanaddr lanaddr6 lanaddrs6 ulaprefix
344 if [ "$mode" -gt 0 ] ; then
345 ifdashname
="${ifname//./-}"
346 routerstub
="$( md5sum /etc/os-release )"
347 routerstub
="router-${routerstub// */}"
348 routername
="$( uci_get system @system[0] hostname $routerstub )"
350 if [ "$mode" -gt 1 ] ; then
351 if [ "$mode" -gt 2 ] ; then
352 if [ "$mode" -gt 3 ] ; then
353 append_interface_name
"$ifdashname.$routername.$DOMAIN" "$ifname"
356 append_interface_name
"$routername.$DOMAIN" "$ifname"
359 # All IP addresses discovered by dnsmasq will be labeled (except fe80::)
360 append_interface_name
"$routername" "$ifname"
363 # This uses a static host file entry for only limited addresses.
364 # Use dnsmasq option "--expandhosts" to enable FQDN on host files.
365 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
366 network_get_ipaddr lanaddr
"$net"
367 network_get_ipaddrs6 lanaddrs6
"$net"
369 if [ -n "$lanaddr" ] ; then
370 dhcp_domain_add
"" "$routername" "$lanaddr"
373 if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
374 for lanaddr6
in $lanaddrs6 ; do
376 "${ulaprefix%%:/*}"*)
377 dhcp_domain_add
"" "$routername" "$lanaddr6"
387 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
392 [ -n "$tag" ] ||
return 0
394 config_get_bool force
"$cfg" force
0
395 [ "$force" = "0" ] && force
=
397 config_get option
"$cfg" dhcp_option
399 xappend
"--dhcp-option${force:+-force}=tag:$tag,$o"
406 config_get networkid
"$cfg" networkid
407 [ -n "$networkid" ] ||
return 0
409 config_get mac
"$cfg" mac
410 [ -n "$mac" ] ||
return 0
412 xappend
"--dhcp-mac=$networkid,$mac"
414 dhcp_option_add
"$cfg" "$networkid"
418 # TODO: BOOTURL is different between DHCPv4 and DHCPv6
421 config_get networkid
"$cfg" networkid
423 config_get filename
"$cfg" filename
424 [ -n "$filename" ] ||
return 0
426 config_get servername
"$cfg" servername
427 config_get serveraddress
"$cfg" serveraddress
429 [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
431 xappend
"--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
433 config_get_bool force
"$cfg" force
0
435 dhcp_option_add
"$cfg" "$networkid" "$force"
441 local dhcp6range
="::"
445 config_get net
"$cfg" interface
446 [ -n "$net" ] ||
return 0
448 config_get networkid
"$cfg" networkid
449 [ -n "$networkid" ] || networkid
="$net"
451 network_get_subnet subnet
"$net" ||
return 0
452 network_get_device ifname
"$net" ||
return 0
453 network_get_protocol proto
"$net" ||
return 0
455 [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver
"$net" && {
456 DNS_SERVERS
="$DNS_SERVERS $dnsserver"
459 append_bool
"$cfg" ignore
"--no-dhcp-interface=$ifname" && {
460 # Many ISP do not have useful names for DHCP customers (your WAN).
461 dhcp_this_host_add
"$net" "$ifname" "$ADD_WAN_FQDN"
465 # Do not support non-static interfaces for now
466 [ static
= "$proto" ] ||
return 0
468 # Override interface netmask with dhcp config if applicable
469 config_get netmask
"$cfg" netmask
"${subnet##*/}"
471 #check for an already active dhcp server on the interface, unless 'force' is set
472 config_get_bool force
"$cfg" force
0
473 [ $force -gt 0 ] || dhcp_check
"$ifname" ||
return 0
475 config_get start
"$cfg" start
100
476 config_get limit
"$cfg" limit
150
477 config_get leasetime
"$cfg" leasetime
12h
478 config_get options
"$cfg" options
479 config_get_bool dynamicdhcp
"$cfg" dynamicdhcp
1
481 config_get dhcpv4
"$cfg" dhcpv4
482 config_get dhcpv6
"$cfg" dhcpv6
484 config_get ra
"$cfg" ra
485 config_get ra_management
"$cfg" ra_management
486 config_get ra_preference
"$cfg" ra_preference
487 config_get dns
"$cfg" dns
489 config_list_foreach
"$cfg" "interface_name" append_interface_name
"$ifname"
491 # Put the router host name on this DHCP served interface address(es)
492 dhcp_this_host_add
"$net" "$ifname" "$ADD_LOCAL_FQDN"
494 start
="$( dhcp_calc "$start" )"
497 tags
="${tags}tag:$1,"
499 config_list_foreach
"$cfg" tag add_tag
501 nettag
="${networkid:+set:${networkid},}"
503 if [ "$limit" -gt 0 ] ; then
507 eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
509 if [ "$dynamicdhcp" = "0" ] ; then
511 dhcp6range
="::,static"
513 dhcp6range
="::1000,::ffff"
517 if [ "$dhcpv4" != "disabled" ] ; then
518 xappend
"--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
522 if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
523 # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
524 # and let some other machine(s) send RA pointing to it.
526 case $ra_preference in
528 xappend
"--ra-param=$ifname,high,0,7200"
531 xappend
"--ra-param=$ifname,low,0,7200"
534 # Send UNSOLICITED RA at default interval and live for 2 hours.
535 # TODO: convert flexible lease time into route life time (only seconds).
536 xappend
"--ra-param=$ifname,0,7200"
540 if [ "$dhcpv6" = "disabled" ] ; then
545 case $ra_management in
547 # SLACC with DCHP for extended options
548 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names"
551 # DHCP address and RA only for management redirection
552 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime"
555 # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC
556 xappend
"--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names"
559 # SLAAC and full DHCP
560 xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
564 if [ -n "$dns" ]; then
566 for d
in $dns; do append dnss
"[$d]" ","; done
571 dhcp_option_append
"option6:dns-server,$dnss" "$networkid"
574 dhcp_option_add
"$cfg" "$networkid"
577 dhcp_option_append
() {
582 xappend
"--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
586 # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions
591 [ "$force" = "0" ] && force
=
594 config_get list_len
"$cfg" dhcp_option_LENGTH
596 if [ -n "$list_len" ]; then
597 config_list_foreach
"$cfg" dhcp_option dhcp_option_append
"$networkid" "$force"
599 config_get dhcp_option
"$cfg" dhcp_option
601 [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
604 for option
in $dhcp_option; do
605 dhcp_option_append
"$option" "$networkid" "$force"
612 local ip name names record
614 config_get names
"$cfg" name
"$2"
615 [ -n "$names" ] ||
return 0
617 config_get ip
"$cfg" ip
"$3"
618 [ -n "$ip" ] ||
return 0
620 for name
in $names; do
621 record
="${record:+$record }$name"
624 echo "$ip $record" >> $HOSTFILE
630 config_get srv
"$cfg" srv
631 [ -n "$srv" ] ||
return 0
633 config_get target
"$cfg" target
634 [ -n "$target" ] ||
return 0
636 config_get port
"$cfg" port
637 [ -n "$port" ] ||
return 0
639 config_get class
"$cfg" class
640 config_get weight
"$cfg" weight
642 local service
="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
644 xappend
"--srv-host=$service"
649 local domain relay pref
651 config_get domain
"$cfg" domain
652 [ -n "$domain" ] ||
return 0
654 config_get relay
"$cfg" relay
655 [ -n "$relay" ] ||
return 0
657 config_get pref
"$cfg" pref
0
659 local service
="$domain,$relay,$pref"
661 xappend
"--mx-host=$service"
668 config_get cname
"$cfg" cname
669 [ -n "$cname" ] ||
return 0
671 config_get target
"$cfg" target
672 [ -n "$target" ] ||
return 0
674 xappend
"--cname=${cname},${target}"
677 dhcp_hostrecord_add
() {
679 local names addresses record val
681 config_get names
"$cfg" name
"$2"
682 if [ -z "$names" ]; then
686 config_get addresses
"$cfg" ip
"$3"
687 if [ -z "$addresses" ]; then
691 for val
in $names $addresses; do
692 record
="${record:+$record,}$val"
695 xappend
"--host-record=$record"
700 local local_addr server_addr interface
702 config_get local_addr
"$cfg" local_addr
703 [ -n "$local_addr" ] ||
return 0
705 config_get server_addr
"$cfg" server_addr
706 [ -n "$server_addr" ] ||
return 0
708 config_get interface
"$cfg" interface
709 if [ -z "$interface" ]; then
710 xappend
"--dhcp-relay=$local_addr,$server_addr"
712 network_get_device ifname
"$interface" ||
return
713 xappend
"--dhcp-relay=$local_addr,$server_addr,$ifname"
719 local cfg
="$1" disabled resolvfile user_dhcpscript
721 config_get_bool disabled
"$cfg" disabled
0
722 [ "$disabled" -gt 0 ] && return 0
724 # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
727 CONFIGFILE
="${BASECONFIGFILE}.${cfg}"
728 CONFIGFILE_TMP
="${CONFIGFILE}.$$"
729 HOSTFILE
="${BASEHOSTFILE}.${cfg}"
730 TIMESTAMPFILE
="${BASETIMESTAMPFILE}.${cfg}"
731 BASEDHCPSTAMPFILE_CFG
="${BASEDHCPSTAMPFILE}.${cfg}"
733 # before we can call xappend
734 mkdir
-p /var
/run
/dnsmasq
/
735 mkdir
-p $
(dirname $CONFIGFILE)
736 mkdir
-p $
(dirname $HOSTFILE)
737 mkdir
-p /var
/lib
/misc
738 chown dnsmasq
:dnsmasq
/var
/run
/dnsmasq
740 [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
742 echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
743 echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
745 # if we did this last, we could override auto-generated config
746 [ -f /etc
/dnsmasq.conf
] && {
747 xappend
"--conf-file=/etc/dnsmasq.conf"
750 $PROG --version |
grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE
=1 || DHCPv6CAPABLE
=0
753 if [ -x /usr
/sbin
/odhcpd
-a -x /etc
/init.d
/odhcpd
] ; then
754 local odhcpd_is_main odhcpd_is_enabled
755 config_get odhcpd_is_main odhcpd maindhcp
0
756 /etc
/init.d
/odhcpd enabled
&& odhcpd_is_enabled
=1 || odhcpd_is_enabled
=0
759 if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
760 # DHCP V4 and V6 in DNSMASQ
762 elif [ "$odhcpd_is_main" -gt 0 ] ; then
763 # ODHCPD is doing it all
766 # You have ODHCPD but use DNSMASQ for DHCPV4
770 elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then
771 # DHCP V4 and V6 in DNSMASQ
777 # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
778 if [ -x /usr
/sbin
/dhcpd
] ; then
779 if [ -x /etc
/init.d
/dhcpd
] ; then
780 /etc
/init.d
/dhcpd enabled
&& DNSMASQ_DHCP_VER
=0
782 if [ -x /etc
/init.d
/dhcpd6
-a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
783 /etc
/init.d
/dhcpd6 enabled
&& DNSMASQ_DHCP_VER
=4
787 append_bool
"$cfg" authoritative
"--dhcp-authoritative"
788 append_bool
"$cfg" nodaemon
"--no-daemon"
789 append_bool
"$cfg" domainneeded
"--domain-needed"
790 append_bool
"$cfg" filterwin2k
"--filterwin2k"
791 append_bool
"$cfg" nohosts
"--no-hosts"
792 append_bool
"$cfg" nonegcache
"--no-negcache"
793 append_bool
"$cfg" strictorder
"--strict-order"
794 append_bool
"$cfg" logqueries
"--log-queries=extra"
795 append_bool
"$cfg" noresolv
"--no-resolv"
796 append_bool
"$cfg" localise_queries
"--localise-queries"
797 append_bool
"$cfg" readethers
"--read-ethers"
798 append_bool
"$cfg" dbus
"--enable-dbus"
799 append_bool
"$cfg" expandhosts
"--expand-hosts"
800 config_get tftp_root
"$cfg" "tftp_root"
801 [ -n "$tftp_root" ] && mkdir
-p "$tftp_root" && append_bool
"$cfg" enable_tftp
"--enable-tftp"
802 append_bool
"$cfg" tftp_no_fail
"--tftp-no-fail"
803 append_bool
"$cfg" nonwildcard
"--bind-dynamic" 1
804 append_bool
"$cfg" fqdn
"--dhcp-fqdn"
805 append_bool
"$cfg" proxydnssec
"--proxy-dnssec"
806 append_bool
"$cfg" localservice
"--local-service"
807 append_bool
"$cfg" logdhcp
"--log-dhcp"
808 append_bool
"$cfg" quietdhcp
"--quiet-dhcp"
809 append_bool
"$cfg" sequential_ip
"--dhcp-sequential-ip"
810 append_bool
"$cfg" allservers
"--all-servers"
811 append_bool
"$cfg" noping
"--no-ping"
813 append_parm
"$cfg" logfacility
"--log-facility"
815 append_parm
"$cfg" cachesize
"--cache-size"
816 append_parm
"$cfg" dnsforwardmax
"--dns-forward-max"
817 append_parm
"$cfg" port
"--port"
818 append_parm
"$cfg" ednspacket_max
"--edns-packet-max"
819 append_parm
"$cfg" dhcpleasemax
"--dhcp-lease-max"
820 append_parm
"$cfg" "queryport" "--query-port"
821 append_parm
"$cfg" "minport" "--min-port"
822 append_parm
"$cfg" "maxport" "--max-port"
823 append_parm
"$cfg" "domain" "--domain"
824 append_parm
"$cfg" "local" "--server"
825 config_list_foreach
"$cfg" "server" append_server
826 config_list_foreach
"$cfg" "address" append_address
827 config_list_foreach
"$cfg" "ipset" append_ipset
828 config_list_foreach
"$cfg" "interface" append_interface
829 config_list_foreach
"$cfg" "notinterface" append_notinterface
830 config_list_foreach
"$cfg" "addnhosts" append_addnhosts
831 config_list_foreach
"$cfg" "bogusnxdomain" append_bogusnxdomain
832 append_parm
"$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
833 append_parm
"$cfg" "serversfile" "--servers-file"
834 append_parm
"$cfg" "tftp_root" "--tftp-root"
835 append_parm
"$cfg" "dhcp_boot" "--dhcp-boot"
836 append_parm
"$cfg" "local_ttl" "--local-ttl"
837 append_parm
"$cfg" "pxe_prompt" "--pxe-prompt"
838 config_list_foreach
"$cfg" "pxe_service" append_pxe_service
839 config_get DOMAIN
"$cfg" domain
841 config_get_bool ADD_LOCAL_DOMAIN
"$cfg" add_local_domain
1
842 config_get_bool ADD_LOCAL_HOSTNAME
"$cfg" add_local_hostname
1
843 config_get ADD_LOCAL_FQDN
"$cfg" add_local_fqdn
""
844 config_get ADD_WAN_FQDN
"$cfg" add_wan_fqdn
0
846 if [ -z "$ADD_LOCAL_FQDN" ] ; then
847 # maintain support for previous UCI
848 ADD_LOCAL_FQDN
="$ADD_LOCAL_HOSTNAME"
851 config_get_bool readethers
"$cfg" readethers
852 [ "$readethers" = "1" -a \
! -e "/etc/ethers" ] && touch /etc
/ethers
854 config_get user_dhcpscript
$cfg dhcpscript
855 if has_handler ||
[ -n "$user_dhcpscript" ]; then
856 xappend
"--dhcp-script=$DHCPSCRIPT"
859 config_get leasefile
$cfg leasefile
"/tmp/dhcp.leases"
860 [ -n "$leasefile" -a \
! -e "$leasefile" ] && touch "$leasefile"
861 config_get_bool cachelocal
"$cfg" cachelocal
1
863 config_get_bool noresolv
"$cfg" noresolv
0
864 if [ "$noresolv" != "1" ]; then
865 config_get resolvfile
"$cfg" resolvfile
"/tmp/resolv.conf.auto"
866 # So jail doesn't complain if file missing
867 [ -n "$resolvfile" -a \
! -e "$resolvfile" ] && touch "$resolvfile"
870 [ -n "$resolvfile" ] && xappend
"--resolv-file=$resolvfile"
872 config_get hostsfile
"$cfg" dhcphostsfile
873 [ -e "$hostsfile" ] && xappend
"--dhcp-hostsfile=$hostsfile"
876 config_get_bool rebind
"$cfg" rebind_protection
1
877 [ $rebind -gt 0 ] && {
879 "DNS rebinding protection is active," \
880 "will discard upstream RFC1918 responses!"
881 xappend
"--stop-dns-rebind"
883 local rebind_localhost
884 config_get_bool rebind_localhost
"$cfg" rebind_localhost
0
885 [ $rebind_localhost -gt 0 ] && {
886 log_once
"Allowing 127.0.0.0/8 responses"
887 xappend
"--rebind-localhost-ok"
890 append_rebind_domain
() {
891 log_once
"Allowing RFC1918 responses for domain $1"
892 xappend
"--rebind-domain-ok=$1"
895 config_list_foreach
"$cfg" rebind_domain append_rebind_domain
898 config_get_bool dnssec
"$cfg" dnssec
0
899 [ "$dnssec" -gt 0 ] && {
900 xappend
"--conf-file=$TRUSTANCHORSFILE"
902 [ -x /etc
/init.d
/sysntpd
] && {
903 /etc
/init.d
/sysntpd enabled
904 [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
905 [ -f "$TIMEVALIDFILE" ] || xappend
"--dnssec-no-timecheck"
908 append_bool
"$cfg" dnsseccheckunsigned
"--dnssec-check-unsigned"
911 config_get addmac
"$cfg" addmac
0
912 [ "$addmac" != "0" ] && {
913 [ "$addmac" = "1" ] && addmac
=
914 xappend
"--add-mac${addmac:+="$addmac"}"
917 dhcp_option_add
"$cfg" "" 0
919 xappend
"--dhcp-broadcast=tag:needs-broadcast"
921 xappend
"--addn-hosts=$(dirname $HOSTFILE)"
923 config_get dnsmasqconfdir
"$cfg" confdir
"/tmp/dnsmasq.d"
924 [ ! -d "$dnsmasqconfdir" ] && mkdir
-p $dnsmasqconfdir
925 xappend
"--conf-dir=$dnsmasqconfdir"
926 xappend
"--user=dnsmasq"
927 xappend
"--group=dnsmasq"
928 echo >> $CONFIGFILE_TMP
930 config_get_bool enable_tftp
"$cfg" enable_tftp
0
931 [ "$enable_tftp" -gt 0 ] && {
932 config_get tftp_root
"$cfg" tftp_root
933 append EXTRA_MOUNT
$tftp_root
936 config_foreach filter_dnsmasq
host dhcp_host_add
"$cfg"
937 echo >> $CONFIGFILE_TMP
938 config_foreach filter_dnsmasq boot dhcp_boot_add
"$cfg"
939 config_foreach filter_dnsmasq mac dhcp_mac_add
"$cfg"
940 config_foreach filter_dnsmasq tag dhcp_tag_add
"$cfg"
941 config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add
"$cfg"
942 config_foreach filter_dnsmasq userclass dhcp_userclass_add
"$cfg"
943 config_foreach filter_dnsmasq circuitid dhcp_circuitid_add
"$cfg"
944 config_foreach filter_dnsmasq remoteid dhcp_remoteid_add
"$cfg"
945 config_foreach filter_dnsmasq subscrid dhcp_subscrid_add
"$cfg"
946 config_foreach filter_dnsmasq match dhcp_match_add
"$cfg"
947 config_foreach filter_dnsmasq domain dhcp_domain_add
"$cfg"
948 config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add
"$cfg"
949 config_foreach filter_dnsmasq relay dhcp_relay_add
"$cfg"
951 echo >> $CONFIGFILE_TMP
952 config_foreach filter_dnsmasq srvhost dhcp_srv_add
"$cfg"
953 config_foreach filter_dnsmasq mxhost dhcp_mx_add
"$cfg"
954 echo >> $CONFIGFILE_TMP
956 config_get_bool boguspriv
"$cfg" boguspriv
1
957 [ "$boguspriv" -gt 0 ] && {
958 xappend
"--bogus-priv"
959 [ -r "$RFC6761FILE" ] && xappend
"--conf-file=$RFC6761FILE"
962 if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
963 # Enable RA feature for when/if it is constructed,
964 # and RA is selected per interface pool (RA, DHCP, or both),
965 # but no one (should) want RA broadcast in syslog
966 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
967 xappend
"--enable-ra"
969 append_bool
"$cfg" quietdhcp
"--quiet-dhcp6"
971 elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
972 config_foreach filter_dnsmasq dhcp dhcp_add
"$cfg"
976 echo >> $CONFIGFILE_TMP
977 config_foreach filter_dnsmasq cname dhcp_cname_add
"$cfg"
978 echo >> $CONFIGFILE_TMP
980 echo >> $CONFIGFILE_TMP
981 mv -f $CONFIGFILE_TMP $CONFIGFILE
983 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
984 rm -f /tmp
/resolv.conf
985 [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
986 echo "search $DOMAIN" >> /tmp
/resolv.conf
988 DNS_SERVERS
="$DNS_SERVERS 127.0.0.1"
989 for DNS_SERVER
in $DNS_SERVERS ; do
990 echo "nameserver $DNS_SERVER" >> /tmp
/resolv.conf
994 procd_open_instance
$cfg
995 procd_set_param
command $PROG -C $CONFIGFILE -k -x /var
/run
/dnsmasq
/dnsmasq.
"${cfg}".pid
996 procd_set_param
file $CONFIGFILE
997 [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT
="$user_dhcpscript"
998 procd_set_param respawn
1000 local dnsmasqconffile
="/etc/dnsmasq.${cfg}.conf"
1001 if [ ! -r "$dnsmasqconffile" ]; then
1002 dnsmasqconffile
=/etc
/dnsmasq.conf
1005 procd_add_jail dnsmasq ubus log
1006 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
1007 procd_add_jail_mount_rw
/var
/run
/dnsmasq
/ $leasefile
1009 procd_close_instance
1016 config_get resolvfile
"$cfg" "resolvfile"
1018 #relink /tmp/resolve.conf only for main instance
1019 [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
1020 [ -f /tmp
/resolv.conf
] && {
1021 rm -f /tmp
/resolv.conf
1022 ln -s "$resolvfile" /tmp
/resolv.conf
1026 rm -f ${BASEDHCPSTAMPFILE}.
${cfg}.
*.dhcp
1031 procd_add_reload_trigger
"dhcp"
1032 procd_add_raw_trigger
"interface.*" 2000 /etc
/init.d
/dnsmasq reload
1043 local instance_found
=0
1045 [ -n "$BOOT" ] && return
1047 .
/lib
/functions
/network.sh
1052 if [ "$type" = "dnsmasq" ]; then
1053 if [ -n "$instance" -a "$instance" = "$name" ]; then
1061 if [ -n "$instance" ]; then
1062 [ "$instance_found" -gt 0 ] ||
return
1063 dnsmasq_start
"$instance"
1065 config_foreach dnsmasq_start dnsmasq
1070 rc_procd start_service
"$@"
1076 local instance_found
=0
1081 if [ "$type" = "dnsmasq" ]; then
1082 if [ -n "$instance" -a "$instance" = "$name" ]; then
1090 if [ -n "$instance" ]; then
1091 [ "$instance_found" -gt 0 ] ||
return
1092 dnsmasq_stop
"$instance"
1094 config_foreach dnsmasq_stop dnsmasq