2 # Copyright (C) 2016 Ian Kelling
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 set -e; .
/usr
/local
/lib
/bash-bear
; set +e
24 usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC] [hostname]
25 setup my router in general: dhcp, dns, etc.
27 Type 2 or 3 is for setting up a backup device, there are two kinds so
28 that you can switch the main device to a backup, then a backup to the
29 main. Type test is for setting up a testing device.
31 Passing an empty string for WIRELESS_MAC, or if none is defined in the
32 secrets file, will cause the device's native mac to be used.
42 if [[ -e /root
/zblock
]]; then
48 firewall_restart
=false
55 while getopts hm
:t
:yz opt
; do
62 libremanage_host
=$hostname
83 *) echo "$0: unexpected arg to -t: $*" >&2; usage
1 ;;
95 *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage
1 ;;
98 shift "$((OPTIND-1))" # Discard the options and sentinel --
102 elif [[ $hostname ]]; then
108 if [[ ! $hostname ]]; then
114 if [[ -e /root
/router-secrets
]]; then
116 # shellcheck source=/p/router-secrets
117 source /root
/router-secrets
120 if [[ ! $mac ]] && ! $test && $secrets; then
121 # if we wanted to increment it
122 #mac=${mac:0: -1}$((${mac: -1} + 2))
126 if (( $# != 0 )); then
140 # background: upgrading all packages is not recommended because it
141 # doesn't go into the firmware. build new firmware if you want
142 # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
143 f
=(/var
/opkg-lists
/*)
144 if ! (( $
(date -r ${f[0]} +%s
) + 60*60*24 > $
(date +%s
) )); then
145 if ! opkg update
; then
146 echo "$0: warning: opkg update failed" >&2
157 if [[ ! $
(opkg list-installed
"$pname") ]]; then
162 if (( ${#to_install[@]} >= 1 )); then
163 opkg
install ${to_install[@]}
172 ######### uci example:#######
173 # # https://wiki.openwrt.org/doc/uci
174 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
175 # wan="firewall.@zone[$wan_index]"
176 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
178 # v uci set firewall.@forwarding[0].dest=$forward_dest
179 # uci commit firewall
180 # firewall_restart=true
182 ####### end uci example #####
185 printf "+ uset %s\n" "$*"
188 local service
="${key%%.*}"
189 restart_var
=${service}_restart
190 if [[ ! ${!restart_var} ]]; then
191 eval $restart_var=false
193 if [[ $
(uci get
"$key") != "$val" ]]; then
194 v uci
set "$key"="$val"
196 eval $restart_var=true
201 printf "+ udel %s\n" "$*"
204 local service
="${key%%.*}"
205 restart_var
=${service}_restart
206 if [[ ! ${!restart_var} ]]; then
207 eval $restart_var=false
209 if uci get
"$key" &>/dev
/null
; then
210 v uci
set "$key"="$val"
212 eval $restart_var=true
216 v
command cedit
-v "$@"
225 elif [[ $hostname == cmc ||
$hostname == cmcap
]]; then
243 : "${key:=pictionary49}"
249 # why did we lock this? i don't know
250 #passwd -l root ||: #already locked fails
252 sed -ibak '/^root:/d' /etc
/shadow
253 # /root/router created by manually running passwd then copying the resulting
254 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
255 cat /root
/router
>>/etc
/shadow
256 # otherwise, serial console gets root login with no password
257 uset system.@system
[0].ttylogin
1
261 cat >/usr
/bin
/archlike-pxe-mount
<<'EOFOUTER'
263 # symlinks are collapsed for nfs mount points, so use a bind mount.
264 # tried putting this in /etc/config/fstab,
265 # then doing block mount, it didn't work. This doesn't persist across reboots,
266 # todo: figure that out
268 for d in /run/{arch,parabola}iso/bootmnt; do
269 cat >>/etc/fstab <<EOF
270 /mnt/usb/tftpboot $d none bind 0 0
272 mount | grep $d &>/dev/null || mount $d
274 /etc/init.d/nfsd restart
276 chmod +x
/usr
/bin
/archlike-pxe-mount
278 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc
/passwd
282 uset dropbear.@dropbear
[0].PasswordAuth
0
283 uset dropbear.@dropbear
[0].RootPasswordAuth
0
284 uset dropbear.@dropbear
[0].Port
2220
285 if ! cmp -s /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
; then
286 cp /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
287 dropbear_restart
=true
290 if $dropbear_restart; then
291 v
/etc
/init.d
/dropbear restart
295 uset network.lan.ipaddr
$l.
$lanip
296 uset network.lan.netmask
$mask
297 if $dev2 ||
$client ||
$ap; then
298 if $dev2 ||
$ap; then
299 uset network.lan.gateway
$l.1
300 uset network.wan.proto none
301 uset network.wan6.proto none
303 /etc
/init.d
/dnsmasq stop
304 /etc
/init.d
/dnsmasq disable
305 /etc
/init.d
/odhcpd stop
306 /etc
/init.d
/odhcpd disable
307 rm -f /etc
/resolv.conf
309 cat >/etc
/resolv.conf
<<EOF
313 cat >/etc
/resolv.conf
<<'EOF'
319 # things i tried to keep dnsmasq running but not enabled except local dns,
320 # but it didnt work right and i dont need it anyways.
321 # uset dhcp.wan.ignore $dev2 # default is false
322 # uset dhcp.lan.ignore $dev2 # default is false
323 # uset dhcp.@dnsmasq[0].interface lo
324 # uset dhcp.@dnsmasq[0].localuse 0
325 # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
326 # uset dhcp.@dnsmasq[0].noresolv 1
327 # todo: populate /etc/resolv.conf with a static value
330 # these are the defaults
332 # this is not needed unless switching from the above condition.
333 # disabling just to debug
334 #uset network.lan.gateway ''
336 uset network.wan.proto dhcp
337 uset network.wan6.proto dhcpv6
338 /etc
/init.d
/dnsmasq start
339 # todo: figure out why this returns 1
340 /etc
/init.d
/dnsmasq
enable ||
:
341 /etc
/init.d
/odhcpd start
342 /etc
/init.d
/odhcpd
enable
345 wireless_restart
=false
348 uset wireless.default_radio0.network
'wwan'
349 uset wireless.default_radio0.ssid
${rclientssid[$h]}
350 uset wireless.default_radio0.encryption
'psk2'
351 uset wireless.default_radio0.device
'radio0'
352 uset wireless.default_radio0.mode
'sta'
353 uset wireless.default_radio0.bssid
${rclientbssid[$h]}
354 # todo: look into whether 5g network is available.
355 uset wireless.default_radio0.key
${rclientkey[$h]}
356 uset wireless.radio0.disabled false
357 uset wireless.radio1.disabled true
359 # defaults, just reseting in case client config ran
360 uset wireless.default_radio0.network lan
361 uset wireless.default_radio0.mode ap
363 uset wireless.default_radio
$x.ssid
"$ssid"
364 uset wireless.default_radio
$x.key
$key
365 uset wireless.default_radio
$x.encryption psk2
367 uset wireless.default_radio
$x.macaddr
$macpre$
((macsuf
+ 2*x
))
369 # disable/enable. secondary device has wireless disabled
370 uset wireless.radio
$x.disabled
$dev2
374 if grep '^OPENWRT_BOARD="mvebu/cortexa9"' /etc
/os-release
&>/dev
/null
; then
375 # todo, I also enabled irqbalance, didnt script it though
376 # https://forum.openwrt.org/t/wrt1900acs-wifi-issue-after-upgrade-from-19-07-to-21-02-vacuum-cleaner-legacy-rate-support/113311/28
377 cat >/etc
/rc.
local <<'EOF'
378 echo "0" >> /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu
379 echo "0" >> /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
382 chmod +x
/etc
/rc.
local
384 uset wireless.radio0.disassoc_low_ack
0
385 uset wireless.radio1.disassoc_low_ack
0
389 # found with https://openwrt.org/docs/guide-user/network/wifi/iwchan.
390 # However, the default also chooses 11, and better to let it choose in case things change.
393 # uset wireless.radio0.channel 11
398 # usb, screen, relay are for libremanage
401 # relay package temporarily disabled
402 # /root/relay_1.0-1_mips_24kc.ipk
404 # note: prometheus-node-exporter-lua-openwrt seems to be a dependency of
405 # prometheus-node-exporter-lua in practice.
414 prometheus-node-exporter-lua-openwrt
415 prometheus-node-exporter-lua
426 # nfs-kernel-server \
427 # openvpn-openssl adblock libusb-compat \
428 # kmod-usb-serial-cp210x kmod-usb-serial-ftdi \
431 cat >/etc
/libremanage.conf
<<EOF
432 ${libremanage_host}_type=switch
433 ${libremanage_host}_channel=1
438 v
/etc
/init.d
/fstab
enable ||
:
440 # rebooting makes mounting work, but comparing lsmod,
441 # i'm guessing this will too. todo, test it.
442 # 255 == module already loaded
443 for mod
in scsi_mod sd_mod
; do v modprobe
$mod ||
[[ $?
== 255 ]]; done
445 # for archlike pxe. The default settings in the installer expect to find
446 # the NFS at one of these dirs
447 mkdir
-p /run
/archiso
/bootmnt
448 mkdir
-p /run
/parabolaiso
/bootmnt
450 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
451 # that is the case after running this or rebooting.
452 # wiki says safe to do in case of fstab changes:
454 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
455 # echo | cedit /etc/config/fstab ||:
456 cedit
/etc
/config
/fstab
<<EOF || { v block umount; v block mount; }
457 config global automount
462 # /overlay is an / overlay mount for installing extra packages, etc.
463 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
464 option target /mnt/usb
465 # option target /overlay
466 option device /dev/sda1
468 option options rw,async,noatime,nodiratime
473 # ian: disabled because afaik I don't need it, no benefit.
474 # config global autoswap
475 # option from_fstab 1
479 # option device /dev/sda1
485 # exportfs -ra wont cut it when its the same path, but now a bind mount
486 # todo: restart nfs when nfs is enabled?
487 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
488 cedit
/etc
/exports
<<EOF ||:
489 /mnt/usb $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
491 /run/archiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
492 /run/parabolaiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
496 # todo: enable nfs when we need it only.
497 # v /etc/init.d/portmap start
498 # v /etc/init.d/nfsd start
499 # v /etc/init.d/portmap enable
500 # v /etc/init.d/nfsd enable
503 cedit
/etc
/config
/prometheus-node-exporter-lua
<<'EOF' || /etc/init.d/prometheus-node-exporter-lua restart
504 config prometheus-node-exporter-lua 'main'
505 option listen_ipv6 '0'
506 option listen_interface 'lan'
507 option listen_port '9100
510 # default, as of this writing is:
511 # config prometheus-node-exporter-lua 'main'
512 # option listen_interface 'loopback'
513 # option listen_port '9100'
519 ########## openvpn exampl
520 ########## missing firewall settings for routing lan
522 # v /etc/init.d/openvpn start
523 # v /etc/init.d/openvpn enable
525 # # from https://wiki.openwrt.org/doc/uci/firewall
526 # # todo: not sure if /etc/init.d/network needs restarting.
527 # # I did, and I had to restart the vpn afterwards.
528 # # This maps a uci interface to a real interface which is
529 # # managed outside of uci.
530 # cedit /etc/config/network <<'EOF' ||:
531 # config interface 'tun0'
532 # option ifname 'tun0'
533 # option proto 'none'
535 # cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
536 # config openvpn my_client_config
538 # option config /etc/openvpn/client.conf
544 network_restart
=false
546 cedit wific
/etc
/config
/network
<<EOF || network_restart=true
547 # https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
548 config interface 'wwan'
553 cedit
/etc
/config
/network
<<EOF || network_restart=true
554 config 'route' 'transmission'
555 option 'interface' 'lan'
556 option 'target' '10.174.0.0'
557 option 'netmask' '255.255.0.0'
558 option 'gateway' '$l.2'
560 option interface 'wg0'
561 option proto 'wireguard'
562 option private_key '$(cat /root/wg.key)'
563 option listen_port $wgport
564 list addresses '10.3.0.1/24'
565 list addresses 'fdfd::1/64'
568 config wireguard_wg0 'wgclient'
569 option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
570 option preshared_key '$(cat /root/wg.psk)'
571 list allowed_ips '10.3.0.2/24'
572 list allowed_ips 'fdfd::2/64'
575 # Need to reload before we change dnsmasq to give out
576 # static ips in our new range.
577 if $network_restart; then
578 v
/etc
/init.d
/network reload
582 ### begin firewall edits ###
584 cedit wific
/etc
/config
/firewall
<<EOF || firewall_restart=true
589 option forward REJECT
598 cedit
host /etc
/config
/firewall
<<EOF || firewall_restart=true
608 cedit
host /etc
/config
/firewall
<<EOF || firewall_restart=true
620 /root
/cmc-firewall-data
622 ## begin no external dns for ziva
625 option src_ip 10.2.0.23
633 option dest_ip 10.2.0.23
641 option src_ip 10.2.0.31
649 option dest_ip 10.2.0.31
657 option src_ip 10.2.0.32
665 option dest_ip 10.2.0.32
669 ## end no external dns for ziva
680 option src_dport 9091
681 option dest_port 9091
687 option dest_port 9091
689 # was working on an openvpn server, didn't finish
693 # option src_dport 1196
694 # option dest_port 1196
695 # option dest_ip $l.2
699 # option target ACCEPT
700 # option dest_port 1196
706 option src_dport 8989
707 option dest_port 8989
713 option dest_port 8989
720 option src_dport 8000
721 option dest_port 8000
727 option dest_port 8000
733 option dest_port 2220
739 option dest_port $wgport
743 option name navidromehttps
745 option src_dport 4500
746 option dest_port 4500
752 option dest_port 4500
755 option name navidrome
757 option src_dport 4533
758 option dest_port 4533
764 option dest_port 4533
766 # So a client can just have b8.nz dns even when they
769 # option name navidromelan
771 # option src_dport 4533
772 # option dest_port 4533
773 # option dest_ip $l.2
778 # option name icecast
780 # option src_dport 8000
781 # option dest_port 8000
782 # option dest_ip $l.2
786 # option target ACCEPT
787 # option dest_port 8000
816 # option name httpskd8448
818 # option src_dport 8448
820 # option dest_ip $l.2
824 # option target ACCEPT
825 # option dest_port 8448
829 option name syncthing
831 option src_dport 22001
837 option dest_port 22001
843 # option src_dport $i2pport
844 # option dest_ip $l.178
848 # option target ACCEPT
849 # option dest_port $i2pport
855 # note, using mac transform, we could allow all traffic to a host like this,
856 # replacing 1 as appropriate
857 #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
863 # option name http-ipv6
866 # option dest_port 80
867 # option target ACCEPT
871 # option name https-ipv6
874 # option dest_port 443
875 # option target ACCEPT
879 option name node-exporter
882 option dest_port 9101
887 option name mail587-ipv6
895 } | cedit
/etc
/config
/firewall || firewall_restart
=true
896 ### end firewall edits ###
900 # not using and in newer wrt, fails, probably due to nonexistent file, error output
903 # Reference error: left-hand side expression is not an array or object
904 # In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
905 # called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
906 # called from function foreach ([C])
907 # called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
908 # called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
909 # called from anonymous function (/usr/share/firewall4/main.uc:143:29)
911 # ` if (!inc.enabled) {`
915 # The rendered ruleset contains errors, not doing firewall restart.
916 # /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
918 ## include a file with users custom iptables rules
920 # option path /etc/firewall.user
921 # option type 'restore'
922 # option family 'ipv4'
926 # not using wireguard for now
927 # if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
928 # # cant mix cedit plus uci
929 # echo | cedit /etc/config/firewall ||:
930 # uci add_list firewall.@zone[1].network=wg0
931 # uci commit firewall
933 # firewall_restart=true
938 cedit
/etc
/hosts
<<EOF ||:
943 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
944 # if [[ $mail_host ]]; then
945 # sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
949 uset dhcp.@dnsmasq
[0].domain b8.nz
950 uset system.@system
[0].hostname
$hostname
951 uset dhcp.@dnsmasq
[0].
local
953 # uci doesnt seem to have a way to set an empty value,
954 # if you delete it, it goes back to the default. this seems
955 # to be a decent workaround.
956 # todo: setup /etc/resolv.conf to point to 127.0.0.1
957 # later note: disabled, I dunno why I set this.
958 # uset dhcp.@dnsmasq[0].resolvfile /dev/null
960 # if dnsmasq happens to not send out a dns server,
961 # odhcpd will send one out like this:
962 # NetworkManager[953]: <info> [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers => 'fd58:5801:8e02::1'
963 # but i dont want ipv6 dns, just keep it simple to ipv4.
964 # I know my isp doesnt have ipv6 right now,
965 # so just stop this thing.
966 # note: tried this, it didn't do anything:
967 # uset dhcp.@odhcpd[0].dns 10.2.0.1
969 # iank, disablde while debugging.
970 #/etc/init.d/odhcpd stop
971 #/etc/init.d/odhcpd disable
973 # todo: make the above conditional on which server this is.
975 ## left commented in case we have ipv6 problems in the future
976 # avoid errors in log. current isp doesnt have ipv6
977 #uset unbound.@unbound[0].protocol ip4_only
979 # todo: im not sure all these are needed, but they all look
981 # https://blog.cloudflare.com/dns-over-tls-for-openwrt/
982 # https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
983 #https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
985 # # i found that the zone example was having no effect on the config
987 # https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
989 # # todo: unbound-control, i'm not sure what the purpose of that thing is, some
990 # # kind of coordination with dhcp of dnsmasq, but what?
992 # note: for debugging, edit /etc/init.d/unbound, change
993 # procd_set_param command $PROG -d -c $UB_TOTAL_CONF
995 # procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
1002 qname-minimisation: yes
1003 rrset-roundrobin: yes
1004 use-caps-for-id: yes
1006 private-domain: b8.nz
1007 local-zone: "10.in-addr.arpa." transparent
1008 access-control-view: 10.2.0.31/32 "youtube"
1013 # no sy until that dongle is used by ziva
1016 #access-control-view: 10.2.0.7/32 "youtube"
1018 access-control-view: 10.2.0.29/32 "youtube"
1020 access-control-view: 10.2.0.32/32 "youtube"
1023 } | cedit
/etc
/unbound
/unbound_srv.conf || unbound_restart
=true
1026 # dns based blocking vs ip based. with ip, same
1027 # server can have multiple domains. in dns,
1028 # you have to make sure clients to use the local dns.
1029 # https dns will need to be blocked by ip in
1030 # order to be comprehensive
1038 local-data-ptr: "10.2.0.1 cmc.b8.nz"
1040 local-data-ptr: "10.174.2.2 transmission.b8.nz"
1041 local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
1042 local-data-ptr: "10.173.8.2 nn.b8.nz"
1046 # forward-addr: 8.8.8.8
1047 # forward-addr: 8.8.8.8
1049 # ssl disabled due to this error:
1050 #Sat Dec 24 03:34:44 2022 daemon.err unbound: [6568:0] error: ssl handshake failed crypto error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
1051 #Sat Dec 24 03:34:44 2022 daemon.notice unbound: [6568:0] notice: ssl handshake failed 1.0.0.3 port 853
1052 # on OPENWRT_RELEASE="OpenWrt SNAPSHOT r18639-f5865452ac"
1053 # from about feb 2022
1055 # https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
1056 # forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
1057 # forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
1058 # forward-ssl-upstream: yes
1060 forward-addr: 1.1.1.3
1061 forward-addr: 1.0.0.3
1065 local-zone: "googlevideo.com." refuse
1066 local-zone: "video.google.com." refuse
1067 local-zone: "youtu.be." refuse
1068 local-zone: "youtube-nocookie.com." refuse
1069 local-zone: "youtube-ui.l.google.com." refuse
1070 local-zone: "youtube.com." refuse
1071 local-zone: "youtube.googleapis.com." refuse
1072 local-zone: "youtubeeducation.com." refuse
1073 local-zone: "youtubei.googleapis.com." refuse
1074 local-zone: "yt3.ggpht.com." refuse
1075 local-zone: "youtubekids.com." refuse
1076 # try global if no match in view
1079 } | cedit
/etc
/unbound
/unbound_ext.conf || unbound_restart
=true
1082 if $unbound_restart; then
1083 /etc
/init.d
/unbound restart
1084 if ! unbound-checkconf
; then
1085 echo $0: error
: unbound-checkconf failed
>&2
1091 # # disabled for now. i want to selectively enable it
1092 # # for specific hosts.
1093 # if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
1094 # v uci set adblock.global.adb_enabled=0
1095 # uci commit adblock
1096 # /etc/init.d/adblock restart
1098 # # https://github.com/openwrt/packages/tree/master/net/adblock/files
1099 # cat >/etc/crontabs/root <<'EOF'
1100 # 0 06 * * * /etc/init.d/adblock reload
1104 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
1106 # sometimes /mnt/usb fails, cuz it's just a flash drive,
1107 # so make sure we have this dir or else dnsmasq will fail
1109 mkdir
-p /mnt
/usb
/tftpboot
1112 # generated with host-info-update
1118 ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
1121 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
1123 rebind-domain-ok=b8.nz
1125 # This says the ip of dns server.
1126 # It is default if dnsmasq is doing dns, otherwise, we have to specify it.
1127 # To see it in action, I ran this from a client machine:
1128 # sudo dhcpcd -o domain_name_servers -T
1129 dhcp-option=option:dns-server,$l.1
1131 # use this when doing fai to get the right timezone, its nfsroot is
1132 # setup to use this dhcp option only and call ntpdate.
1133 # generate ips with:
1134 # for h in 0.ubuntu.pool.ntp.org 1.ubuntu.pool.ntp.org ntp.ubuntu.com; do host -t a $h | awk '{print $NF}'; done | while read -r l; do printf ,$l; done
1135 dhcp-option=option:ntp-server,188.165.3.28,202.12.97.45,91.236.251.13,50.205.244.23,78.30.254.80,31.131.0.123,202.65.114.202,94.228.220.14,185.125.190.57,185.125.190.58,91.189.91.157,185.125.190.56,91.189.94.4
1138 # results from googling around dnsmasq optimizations
1139 # about 50k in memory. router has 62 megs.
1140 # in a browsing session, I probably won't ever do 5000 lookups
1141 # before the ttl expiration or whatever does expiration.
1144 # ask all servers, use the one which responds first.
1145 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
1148 # namebench benchmarks dns servers. google's dns was only
1149 # slightly less fast than some others, and I trust it more
1150 # to give accurate results, stay relatively fast, and
1151 # not do anythin too malicious, so just use that.
1152 # download namebench and run it like this:
1153 # for x in all regional isp global preferred nearby; do ./namebench.py -s \$x -c US -i firefox -m weighted -J 10 -w; echo \$x; hr; done
1157 server=2606:4700:4700::1113
1158 server=2606:4700:4700::1003
1163 # server=2001:4860:4860::8888
1164 # server=2001:4860:4860::8844
1167 # to fixup existin ips, on the client you can do
1168 # sudo dhclient -r; sudo dhclient <interface-name>
1170 # /etc/init.d/dnsmasq stop
1171 # vi /tmp/dhcp.leases
1172 # /etc/init.d/dnsmasq start
1175 # default dhcp range is 100-150
1180 # pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
1181 # access /mnt/usb/tftpboot due to ujail sandbox
1183 #tftp-root=/mnt/usb/tftpboot
1184 #tftp-root=/var/run/dnsmasq/tftpboot
1187 dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
1189 # for debugging dhcp
1192 } | cedit
/etc
/dnsmasq.conf || dnsmasq_restart
=true
1196 if $dnsmasq_restart && ! $dev2 && ! $ap; then
1197 # todo: can our ptr records be put in /etc/hosts?
1198 # eg: user normal /etc/hosts records, and they wont be used for A resolution
1199 # due to the other settings, but will be used for ptr? then maybe
1200 # we dont have to restart dnsmasq for a dns update?
1203 # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
1204 # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
1205 # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
1207 # Also, reload of dnsmasq seems to break things, wifi
1208 # clients were not getting internet connectivity.
1210 v
/etc
/init.d
/dnsmasq restart
1214 v
/etc
/init.d
/firewall disable
1215 v
/etc
/init.d
/firewall stop
1216 elif $firewall_restart; then
1217 v
/etc
/init.d
/firewall restart
1221 # if already stopped, gives error we want to ignore
1222 /etc
/init.d
/uhttpd stop |
& sed '1{/^Command failed/d}'
1223 /etc
/init.d
/uhttpd disable |
& sed '1{/^Command failed/d}'
1225 # this may just restart the network and take care of the network_restart below.
1226 if $wireless_restart; then
1230 # todo: we should catch errors and still run this if needed
1231 if $network_restart; then