2 ##############################################################################
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License version 2 as
6 # published by the Free Software Foundation.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # Copyright (C) 2016 Eric Luehrsen
15 ##############################################################################
17 # This builds the basic UCI components currently supported for Unbound. It is
18 # intentionally NOT comprehensive and bundles a lot of options. The UCI is to
19 # be a simpler presentation of the total Unbound conf set.
21 ##############################################################################
24 UNBOUND_B_SLAAC6_MAC
=0
37 UNBOUND_D_DOMAIN_TYPE
=static
38 UNBOUND_D_DHCP_LINK
=none
40 UNBOUND_D_PROTOCOL
=mixed
41 UNBOUND_D_RESOURCE
=small
42 UNBOUND_D_RECURSION
=passive
45 UNBOUND_IP_DNS64
="64:ff9b::/96"
47 UNBOUND_N_EDNS_SIZE
=1280
48 UNBOUND_N_FWD_PORTS
=""
54 UNBOUND_TXT_DOMAIN
=lan
55 UNBOUND_TXT_FWD_ZONE
=""
56 UNBOUND_TXT_HOSTNAME
=thisrouter
58 ##############################################################################
60 UNBOUND_LIBDIR
=/usr
/lib
/unbound
61 UNBOUND_VARDIR
=/var
/lib
/unbound
63 UNBOUND_PIDFILE
=/var
/run
/unbound.pid
65 UNBOUND_SRV_CONF
=$UNBOUND_VARDIR/unbound_srv.conf
66 UNBOUND_EXT_CONF
=$UNBOUND_VARDIR/unbound_ext.conf
67 UNBOUND_DHCP_CONF
=$UNBOUND_VARDIR/unbound_dhcp.conf
68 UNBOUND_CONFFILE
=$UNBOUND_VARDIR/unbound.conf
70 UNBOUND_KEYFILE
=$UNBOUND_VARDIR/root.key
71 UNBOUND_HINTFILE
=$UNBOUND_VARDIR/root.hints
72 UNBOUND_TIMEFILE
=$UNBOUND_VARDIR/unbound.
time
74 ##############################################################################
76 UNBOUND_ANCHOR
=/usr
/sbin
/unbound-anchor
77 UNBOUND_CONTROL
=/usr
/sbin
/unbound-control
78 UNBOUND_CONTROL_CFG
="$UNBOUND_CONTROL -c $UNBOUND_CONFFILE"
80 ##############################################################################
83 .
/lib
/functions
/network.sh
85 .
$UNBOUND_LIBDIR/dnsmasq.sh
86 .
$UNBOUND_LIBDIR/iptools.sh
87 .
$UNBOUND_LIBDIR/rootzone.sh
89 ##############################################################################
91 create_interface_dns
() {
93 local ipcommand logint ignore ifname ifdashname
94 local name names address addresses
95 local ulaprefix if_fqdn host_fqdn mode mode_ptr
97 # Create local-data: references for this hosts interfaces (router).
98 config_get logint
"$cfg" interface
99 config_get_bool ignore
"$cfg" ignore
0
100 network_get_device ifname
"$cfg"
102 ifdashname
="${ifname//./-}"
103 ipcommand
="ip -o address show $ifname"
104 addresses
="$($ipcommand | awk '/inet/{sub(/\/.*/,"",$4); print $4}')"
105 ulaprefix
="$(uci_get network @globals[0] ula_prefix)"
106 host_fqdn
="$UNBOUND_TXT_HOSTNAME.$UNBOUND_TXT_DOMAIN"
107 if_fqdn
="$ifdashname.$host_fqdn"
110 if [ -z "${ulaprefix%%:/*}" ] ; then
111 # Nonsense so this option isn't globbed below
112 ulaprefix
="fdno:such:addr::/48"
116 if [ "$ignore" -gt 0 ] ; then
117 mode
="$UNBOUND_D_WAN_FQDN"
119 mode
="$UNBOUND_D_LAN_FQDN"
125 mode_ptr
="$host_fqdn"
126 names
="$host_fqdn $UNBOUND_TXT_HOSTNAME"
130 if [ -z "$ifdashname" ] ; then
131 # race conditions at init can rarely cause a blank device return
132 # the record format is invalid and Unbound won't load the conf file
133 mode_ptr
="$host_fqdn"
134 names
="$host_fqdn $UNBOUND_TXT_HOSTNAME"
137 names
="$if_fqdn $host_fqdn $UNBOUND_TXT_HOSTNAME"
142 mode_ptr
="$UNBOUND_TXT_HOSTNAME"
143 names
="$UNBOUND_TXT_HOSTNAME"
148 if [ "$mode" -gt 1 ] ; then
150 for address
in $addresses ; do
153 echo " # note link address $address"
157 # GA and ULA IP6 for HOST IN AAA records (ip command is robust)
158 for name
in $names ; do
159 echo " local-data: \"$name. 120 IN AAAA $address\""
161 echo " local-data-ptr: \"$address 120 $mode_ptr\""
165 # Old fashioned HOST IN A records
166 for name
in $names ; do
167 echo " local-data: \"$name. 120 IN A $address\""
169 echo " local-data-ptr: \"$address 120 $mode_ptr\""
174 } >> $UNBOUND_CONFFILE
176 elif [ "$mode" -gt 0 ] ; then
178 for address
in $addresses ; do
181 echo " # note link address $address"
184 "${ulaprefix%%:/*}"*)
185 # Only this networks ULA and only hostname
186 echo " local-data: \"$UNBOUND_TXT_HOSTNAME. 120 IN AAAA $address\""
187 echo " local-data-ptr: \"$address 120 $UNBOUND_TXT_HOSTNAME\""
191 echo " local-data: \"$UNBOUND_TXT_HOSTNAME. 120 IN A $address\""
192 echo " local-data-ptr: \"$address 120 $UNBOUND_TXT_HOSTNAME\""
197 } >> $UNBOUND_CONFFILE
201 ##############################################################################
203 create_access_control
() {
205 local subnets subnets4 subnets6
206 local validip4 validip6
208 network_get_subnets subnets4
"$cfg"
209 network_get_subnets6 subnets6
"$cfg"
210 subnets
="$subnets4 $subnets6"
213 if [ -n "$subnets" ] ; then
214 for subnet
in $subnets ; do
215 validip4
=$
( valid_subnet4
$subnet )
216 validip6
=$
( valid_subnet6
$subnet )
219 if [ "$validip4" = "ok" -o "$validip6" = "ok" ] ; then
220 # For each "network" UCI add "access-control:" white list for queries
221 echo " access-control: $subnet allow" >> $UNBOUND_CONFFILE
227 ##############################################################################
229 create_domain_insecure
() {
230 echo " domain-insecure: \"$1\"" >> $UNBOUND_CONFFILE
233 ##############################################################################
237 local dhcp_origin
=$
( uci get dhcp.@odhcpd
[0].leasefile
)
238 local dhcp_dir
=$
( dirname "$dhcp_origin" )
241 if [ ! -x /usr
/sbin
/dnsmasq
-o ! -x /etc
/init.d
/dnsmasq
] ; then
244 /etc
/init.d
/dnsmasq enabled || resolvsym
=1
248 if [ "$resolvsym" -gt 0 ] ; then
249 rm -f /tmp
/resolv.conf
253 # Set resolver file to local but not if /etc/init.d/dnsmasq will do it.
254 echo "nameserver 127.0.0.1"
255 echo "nameserver ::1"
256 echo "search $UNBOUND_TXT_DOMAIN"
261 if [ "$UNBOUND_D_DHCP_LINK" = "odhcpd" -a ! -d "$dhcp_dir" ] ; then
262 # make sure odhcpd has a directory to write (not done itself, yet)
267 if [ -f $UNBOUND_KEYFILE ] ; then
268 # Lets not lose RFC 5011 tracking if we don't have to
269 cp -p $UNBOUND_KEYFILE $UNBOUND_KEYFILE.keep
273 # Blind copy /etc/ to /var/lib/
274 mkdir
-p $UNBOUND_VARDIR
275 rm -f $UNBOUND_VARDIR/dhcp_
*
276 touch $UNBOUND_CONFFILE
277 touch $UNBOUND_SRV_CONF
278 touch $UNBOUND_EXT_CONF
279 cp -p /etc
/unbound
/* $UNBOUND_VARDIR/
282 if [ ! -f $UNBOUND_HINTFILE ] ; then
283 if [ -f /usr
/share
/dns
/root.hints
] ; then
284 # Debian-like package dns-root-data
285 cp -p /usr
/share
/dns
/root.hints
$UNBOUND_HINTFILE
288 logger
-t unbound
-s "iterator will use built-in root hints"
293 if [ ! -f $UNBOUND_KEYFILE ] ; then
294 if [ -f /usr
/share
/dns
/root.key
] ; then
295 # Debian-like package dns-root-data
296 cp -p /usr
/share
/dns
/root.key
$UNBOUND_KEYFILE
298 elif [ -x $UNBOUND_ANCHOR ] ; then
299 $UNBOUND_ANCHOR -a $UNBOUND_KEYFILE
302 logger
-t unbound
-s "validator will use built-in trust anchor"
307 if [ -f $UNBOUND_KEYFILE.keep
] ; then
308 # root.key.keep is reused if newest
309 cp -u $UNBOUND_KEYFILE.keep
$UNBOUND_KEYFILE
310 rm -f $UNBOUND_KEYFILE.keep
314 # Ensure access and prepare to jail
315 chown
-R unbound
:unbound
$UNBOUND_VARDIR
316 chmod 775 $UNBOUND_VARDIR
317 chmod 664 $UNBOUND_VARDIR/*
320 ##############################################################################
323 if [ "$UNBOUND_B_CONTROL" -gt 0 ] ; then
325 # Enable remote control tool, but only at local host for security
326 # You can hand write fancier encrypted access with /etc/..._ext.conf
327 echo "remote-control:"
328 echo " control-enable: yes"
329 echo " control-use-cert: no"
330 echo " control-interface: 127.0.0.1"
331 echo " control-interface: ::1"
333 } >> $UNBOUND_CONFFILE
338 # Amend your own extended clauses here like forward zones or disable
339 # above (local, no encryption) and amend your own remote encrypted control
341 echo "include: $UNBOUND_EXT_CONF" >> $UNBOUND_CONFFILE
343 } >> $UNBOUND_CONFFILE
346 ##############################################################################
350 local rt_mem rt_conn modulestring
354 # Make fresh conf file
355 echo "# $UNBOUND_CONFFILE generated by UCI $( date )"
357 } > $UNBOUND_CONFFILE
363 echo " username: unbound"
364 echo " num-threads: 1"
365 echo " msg-cache-slabs: 1"
366 echo " rrset-cache-slabs: 1"
367 echo " infra-cache-slabs: 1"
368 echo " key-cache-slabs: 1"
370 } >> $UNBOUND_CONFFILE
376 echo " statistics-interval: 0"
377 echo " statistics-cumulative: no"
378 echo " extended-statistics: no"
380 } >> $UNBOUND_CONFFILE
384 # Interfaces (access contol "option local_service")
385 echo " interface: 0.0.0.0"
386 echo " interface: ::0"
387 echo " outgoing-interface: 0.0.0.0"
388 echo " outgoing-interface: ::0"
390 } >> $UNBOUND_CONFFILE
393 case "$UNBOUND_D_PROTOCOL" in
398 } >> $UNBOUND_CONFFILE
405 } >> $UNBOUND_CONFFILE
412 echo " prefer-ip6: yes"
413 } >> $UNBOUND_CONFFILE
420 } >> $UNBOUND_CONFFILE
426 # protocol level tuning
427 echo " edns-buffer-size: $UNBOUND_N_EDNS_SIZE"
428 echo " msg-buffer-size: 8192"
429 echo " port: $UNBOUND_N_RX_PORT"
430 echo " outgoing-port-permit: 10240-65535"
432 } >> $UNBOUND_CONFFILE
436 # Other harding and options for an embedded router
437 echo " harden-short-bufsize: yes"
438 echo " harden-large-queries: yes"
439 echo " harden-glue: yes"
440 echo " harden-below-nxdomain: no"
441 echo " harden-referral-path: no"
442 echo " use-caps-for-id: no"
444 } >> $UNBOUND_CONFFILE
449 echo " use-syslog: yes"
450 echo " chroot: \"$UNBOUND_VARDIR\""
451 echo " directory: \"$UNBOUND_VARDIR\""
452 echo " pidfile: \"$UNBOUND_PIDFILE\""
453 } >> $UNBOUND_CONFFILE
456 if [ -f "$UNBOUND_HINTFILE" ] ; then
457 # Optional hints if found
458 echo " root-hints: \"$UNBOUND_HINTFILE\"" >> $UNBOUND_CONFFILE
462 if [ "$UNBOUND_B_DNSSEC" -gt 0 -a -f "$UNBOUND_KEYFILE" ] ; then
464 echo " auto-trust-anchor-file: \"$UNBOUND_KEYFILE\""
466 } >> $UNBOUND_CONFFILE
469 echo >> $UNBOUND_CONFFILE
473 case "$UNBOUND_D_RESOURCE" in
474 # Tiny - Unbound's recommended cheap hardware config
475 tiny
) rt_mem
=1 ; rt_conn
=1 ;;
476 # Small - Half RRCACHE and open ports
477 small
) rt_mem
=8 ; rt_conn
=5 ;;
478 # Medium - Nearly default but with some added balancintg
479 medium
) rt_mem
=16 ; rt_conn
=10 ;;
480 # Large - Double medium
481 large
) rt_mem
=32 ; rt_conn
=10 ;;
482 # Whatever unbound does
483 *) rt_mem
=0 ; rt_conn
=0 ;;
487 if [ "$rt_mem" -gt 0 ] ; then
489 # Set memory sizing parameters
490 echo " outgoing-range: $(($rt_conn*64))"
491 echo " num-queries-per-thread: $(($rt_conn*32))"
492 echo " outgoing-num-tcp: $(($rt_conn))"
493 echo " incoming-num-tcp: $(($rt_conn))"
494 echo " rrset-cache-size: $(($rt_mem*256))k"
495 echo " msg-cache-size: $(($rt_mem*128))k"
496 echo " key-cache-size: $(($rt_mem*128))k"
497 echo " neg-cache-size: $(($rt_mem*64))k"
498 echo " infra-cache-numhosts: $(($rt_mem*256))"
500 } >> $UNBOUND_CONFFILE
503 logger
-t unbound
-s "default memory resource consumption"
506 # Assembly of module-config: options is tricky; order matters
507 modulestring
="iterator"
510 if [ "$UNBOUND_B_DNSSEC" -gt 0 ] ; then
511 if [ ! -f "$UNBOUND_TIMEFILE" -a "$UNBOUND_B_NTP_BOOT" -gt 0 ] ; then
512 # DNSSEC chicken and egg with getting NTP time
513 echo " val-override-date: -1" >> $UNBOUND_CONFFILE
518 echo " harden-dnssec-stripped: yes"
519 echo " val-clean-additional: yes"
520 echo " ignore-cd-flag: yes"
521 } >> $UNBOUND_CONFFILE
524 modulestring
="validator $modulestring"
528 if [ "$UNBOUND_B_DNS64" -gt 0 ] ; then
529 echo " dns64-prefix: $UNBOUND_IP_DNS64" >> $UNBOUND_CONFFILE
531 modulestring
="dns64 $modulestring"
536 # Print final module string
537 echo " module-config: \"$modulestring\""
539 } >> $UNBOUND_CONFFILE
542 if [ "$UNBOUND_B_QRY_MINST" -gt 0 -a "$UNBOUND_B_QUERY_MIN" -gt 0 ] ; then
544 # Some query privacy but "strict" will break some name servers
545 echo " qname-minimisation: yes"
546 echo " qname-minimisation-strict: yes"
547 } >> $UNBOUND_CONFFILE
549 elif [ "$UNBOUND_B_QUERY_MIN" -gt 0 ] ; then
550 # Minor improvement on query privacy
551 echo " qname-minimisation: yes" >> $UNBOUND_CONFFILE
554 echo " qname-minimisation: no" >> $UNBOUND_CONFFILE
558 case "$UNBOUND_D_RECURSION" in
562 echo " prefetch-key: no"
563 echo " target-fetch-policy: \"0 0 0 0 0\""
565 } >> $UNBOUND_CONFFILE
570 echo " prefetch: yes"
571 echo " prefetch-key: yes"
572 echo " target-fetch-policy: \"3 2 1 0 0\""
574 } >> $UNBOUND_CONFFILE
578 logger
-t unbound
-s "default recursion configuration"
584 # Reload records more than 10 hours old
585 # DNSSEC 5 minute bogus cool down before retry
586 # Adaptive infrastructure info kept for 15 minutes
587 echo " cache-min-ttl: $UNBOUND_TTL_MIN"
588 echo " cache-max-ttl: 36000"
589 echo " val-bogus-ttl: 300"
590 echo " infra-host-ttl: 900"
592 } >> $UNBOUND_CONFFILE
595 if [ "$UNBOUND_B_HIDE_BIND" -gt 0 ] ; then
597 # Block server id and version DNS TXT records
598 echo " hide-identity: yes"
599 echo " hide-version: yes"
601 } >> $UNBOUND_CONFFILE
605 if [ "$UNBOUND_B_PRIV_BLCK" -gt 0 ] ; then
607 # Remove _upstream_ or global reponses with private addresses.
608 # Unbounds own "local zone" and "forward zone" may still use these.
609 # RFC1918, RFC3927, RFC4291, RFC6598, RFC6890
610 echo " private-address: 10.0.0.0/8"
611 echo " private-address: 100.64.0.0/10"
612 echo " private-address: 169.254.0.0/16"
613 echo " private-address: 172.16.0.0/12"
614 echo " private-address: 192.168.0.0/16"
615 echo " private-address: fc00::/8"
616 echo " private-address: fd00::/8"
617 echo " private-address: fe80::/10"
618 } >> $UNBOUND_CONFFILE
622 if [ "$UNBOUND_B_LOCL_BLCK" -gt 0 ] ; then
624 # Remove DNS reponses from upstream with loopback IP
625 # Black hole DNS method for ad blocking, so consider...
626 echo " private-address: 127.0.0.0/8"
627 echo " private-address: ::1/128"
629 } >> $UNBOUND_CONFFILE
632 echo >> $UNBOUND_CONFFILE
636 # Except and accept domains as insecure (DNSSEC); work around broken domains
637 config_list_foreach
"$cfg" "domain_insecure" create_domain_insecure
638 echo >> $UNBOUND_CONFFILE
641 ##############################################################################
644 # TODO: Unbound 1.6.0 added "tags" and "views", so we can add tags to
645 # each access-control IP block, and then divert access.
646 # -- "guest" WIFI will not be allowed to see local zone data
647 # -- "child" LAN can black whole a list of domains to http~deadpixel
650 if [ "$UNBOUND_B_LOCL_SERV" -gt 0 ] ; then
651 # Only respond to queries from which this device has an interface.
652 # Prevent DNS amplification attacks by not responding to the universe.
654 config_foreach create_access_control interface
658 echo " access-control: 127.0.0.0/8 allow"
659 echo " access-control: ::1/128 allow"
660 echo " access-control: fe80::/10 allow"
662 } >> $UNBOUND_CONFFILE
666 echo " access-control: 0.0.0.0/0 allow"
667 echo " access-control: ::0/0 allow"
669 } >> $UNBOUND_CONFFILE
674 # Amend your own "server:" stuff here
675 echo " include: $UNBOUND_SRV_CONF"
677 } >> $UNBOUND_CONFFILE
680 ##############################################################################
683 # TODO: Unbound 1.6.0 added "tags" and "views"; lets work with adblock team
684 local adb_enabled adb_file
686 if [ ! -x /usr
/bin
/adblock.sh
-o ! -x /etc
/init.d
/adblock
] ; then
689 /etc
/init.d
/adblock enabled
&& adb_enabled
=1 || adb_enabled
=0
693 if [ "$adb_enabled" -gt 0 ] ; then
695 # Pull in your selected openwrt/pacakges/net/adblock generated lists
696 for adb_file
in $UNBOUND_VARDIR/adb_list.
* ; do
697 echo " include: $adb_file"
700 } >> $UNBOUND_CONFFILE
704 ##############################################################################
707 if [ -n "$UNBOUND_TXT_DOMAIN" ] ; then
709 # TODO: Unbound 1.6.0 added "tags" and "views" and we could make
710 # domains by interface to prevent DNS from "guest" to "home"
711 echo " local-zone: $UNBOUND_TXT_DOMAIN. $UNBOUND_D_DOMAIN_TYPE"
712 echo " domain-insecure: $UNBOUND_TXT_DOMAIN"
713 echo " private-domain: $UNBOUND_TXT_DOMAIN"
715 echo " local-zone: $UNBOUND_TXT_HOSTNAME. $UNBOUND_D_DOMAIN_TYPE"
716 echo " domain-insecure: $UNBOUND_TXT_HOSTNAME"
717 echo " private-domain: $UNBOUND_TXT_HOSTNAME"
719 } >> $UNBOUND_CONFFILE
722 case "$UNBOUND_D_DOMAIN_TYPE" in
723 deny|inform_deny|refuse|static
)
725 # avoid upstream involvement in RFC6762 like responses (link only)
726 echo " local-zone: local. $UNBOUND_D_DOMAIN_TYPE"
727 echo " domain-insecure: local"
728 echo " private-domain: local"
730 } >> $UNBOUND_CONFFILE
735 if [ "$UNBOUND_D_LAN_FQDN" -gt 0 -o "$UNBOUND_D_WAN_FQDN" -gt 0 ] ; then
737 config_foreach create_interface_dns dhcp
741 if [ -f "$UNBOUND_DHCP_CONF" ] ; then
743 # Seed DHCP records because dhcp scripts trigger externally
744 # Incremental Unbound restarts may drop unbound-control add records
745 echo " include: $UNBOUND_DHCP_CONF"
747 } >> $UNBOUND_CONFFILE
752 ##############################################################################
756 local dnsmasqpath hostnm
758 hostnm
="$(uci_get system.@system[0].hostname | awk '{print tolower($0)}')"
759 UNBOUND_TXT_HOSTNAME
=${hostnm:-thisrouter}
761 config_get_bool UNBOUND_B_SLAAC6_MAC
"$cfg" dhcp4_slaac6
0
762 config_get_bool UNBOUND_B_DNS64
"$cfg" dns64
0
763 config_get_bool UNBOUND_B_HIDE_BIND
"$cfg" hide_binddata
1
764 config_get_bool UNBOUND_B_LOCL_SERV
"$cfg" localservice
1
765 config_get_bool UNBOUND_B_MAN_CONF
"$cfg" manual_conf
0
766 config_get_bool UNBOUND_B_QUERY_MIN
"$cfg" query_minimize
0
767 config_get_bool UNBOUND_B_QRY_MINST
"$cfg" query_min_strict
0
768 config_get_bool UNBOUND_B_PRIV_BLCK
"$cfg" rebind_protection
1
769 config_get_bool UNBOUND_B_LOCL_BLCK
"$cfg" rebind_localhost
0
770 config_get_bool UNBOUND_B_CONTROL
"$cfg" unbound_control
0
771 config_get_bool UNBOUND_B_DNSSEC
"$cfg" validator
0
772 config_get_bool UNBOUND_B_NTP_BOOT
"$cfg" validator_ntp
1
774 config_get UNBOUND_IP_DNS64
"$cfg" dns64_prefix
"64:ff9b::/96"
776 config_get UNBOUND_N_EDNS_SIZE
"$cfg" edns_size
1280
777 config_get UNBOUND_N_RX_PORT
"$cfg" listen_port
53
778 config_get UNBOUND_N_ROOT_AGE
"$cfg" root_age
9
780 config_get UNBOUND_D_DOMAIN_TYPE
"$cfg" domain_type static
781 config_get UNBOUND_D_DHCP_LINK
"$cfg" dhcp_link none
782 config_get UNBOUND_D_LAN_FQDN
"$cfg" add_local_fqdn
0
783 config_get UNBOUND_D_PROTOCOL
"$cfg" protocol mixed
784 config_get UNBOUND_D_RECURSION
"$cfg" recursion passive
785 config_get UNBOUND_D_RESOURCE
"$cfg" resource small
786 config_get UNBOUND_D_WAN_FQDN
"$cfg" add_wan_fqdn
0
788 config_get UNBOUND_TTL_MIN
"$cfg" ttl_min
120
789 config_get UNBOUND_TXT_DOMAIN
"$cfg" domain lan
792 if [ "$UNBOUND_D_DHCP_LINK" = "none" ] ; then
793 config_get_bool UNBOUND_B_DNSMASQ
"$cfg" dnsmasq_link_dns
0
796 if [ "$UNBOUND_B_DNSMASQ" -gt 0 ] ; then
797 UNBOUND_D_DHCP_LINK
=dnsmasq
798 logger
-t unbound
-s "Please use 'dhcp_link' selector instead"
803 if [ "$UNBOUND_D_DHCP_LINK" = "dnsmasq" ] ; then
804 if [ ! -x /usr
/sbin
/dnsmasq
-o ! -x /etc
/init.d
/dnsmasq
] ; then
805 UNBOUND_D_DHCP_LINK
=none
807 /etc
/init.d
/dnsmasq enabled || UNBOUND_D_DHCP_LINK
=none
811 if [ "$UNBOUND_D_DHCP_LINK" = "none" ] ; then
812 logger
-t unbound
-s "cannot forward to dnsmasq"
817 if [ "$UNBOUND_D_DHCP_LINK" = "odhcpd" ] ; then
818 if [ ! -x /usr
/sbin
/odhcpd
-o ! -x /etc
/init.d
/odhcpd
] ; then
819 UNBOUND_D_DHCP_LINK
=none
821 /etc
/init.d
/odhcpd enabled || UNBOUND_D_DHCP_LINK
=none
825 if [ "$UNBOUND_D_DHCP_LINK" = "none" ] ; then
826 logger
-t unbound
-s "cannot receive records from odhcpd"
831 if [ "$UNBOUND_N_EDNS_SIZE" -lt 512 \
832 -o 4096 -lt "$UNBOUND_N_EDNS_SIZE" ] ; then
833 # exceeds range, back to default
834 UNBOUND_N_EDNS_SIZE
=1280
838 if [ "$UNBOUND_N_RX_PORT" -lt 1024 \
839 -o 10240 -lt "$UNBOUND_N_RX_PORT" ] ; then
840 # special port or in 5 digits, back to default
845 if [ "$UNBOUND_TTL_MIN" -gt 1800 ] ; then
846 # that could have had awful side effects
851 ##############################################################################
855 config_foreach unbound_uci unbound
859 if [ "$UNBOUND_B_MAN_CONF" -eq 0 ] ; then
864 if [ "$UNBOUND_D_DHCP_LINK" = "dnsmasq" ] ; then
874 ##############################################################################
882 if [ ! -x /usr
/sbin
/dnsmasq
-o ! -x /etc
/init.d
/dnsmasq
] ; then
885 /etc
/init.d
/dnsmasq enabled || resolvsym
=1
889 if [ "$resolvsym" -gt 0 ] ; then
890 # set resolver file to normal, but don't stomp on dnsmasq
891 rm -f /tmp
/resolv.conf
892 ln -s /tmp
/resolv.conf.auto
/tmp
/resolv.conf
896 # Unbound has a log dump which takes time; don't overlap a "restart"
900 ##############################################################################