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.
20 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
25 usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC]
26 setup my router in general: dhcp, dns, etc.
28 Type 2 or 3 is for setting up a backup device, there are two kinds so
29 that you can switch the main device to a backup, then a backup to the
30 main. Type test is for setting up a testing device.
32 Passing an empty string for WIRELESS_MAC, or if none is defined in the
33 secrets file, will cause the device's native mac to be used.
44 firewall_restart
=false
50 if [[ -e /root
/router-secrets
]]; then
52 source /root
/router-secrets
54 rmac
=$
(cat /sys
/class
/net
/eth
0/address
)
56 hostname
=${rhost[$rmac]}
62 while getopts hm
:t
: opt
; do
69 libremanage_host
=$hostname
85 *) echo "$0: unexpected arg to -t: $*" >&2; usage
1 ;;
89 *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage
1 ;;
92 shift "$((OPTIND-1))" # Discard the options and sentinel --
94 if [[ ! $mac ]] && ! $test && $secrets; then
95 # if we wanted to increment it
96 #mac=${mac:0: -1}$((${mac: -1} + 2))
100 if (( $# != 0 )); then
114 # background: upgrading all packages is not recommended because it
115 # doesn't go into the firmware. build new firmware if you want
116 # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
117 f
=(/var
/opkg-lists
/*)
118 if ! (( $
(date -r $f +%s
) + 60*60*24 > $
(date +%s
) )); then
119 if ! opkg update
; then
120 echo "$0: warning: opkg update failed" >&2
131 if [[ ! $
(opkg list-installed
"$pname") ]]; then
136 if [[ $to_install ]]; then
137 opkg
install ${to_install[@]}
146 ######### uci example:#######
147 # # https://wiki.openwrt.org/doc/uci
148 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
149 # wan="firewall.@zone[$wan_index]"
150 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
152 # v uci set firewall.@forwarding[0].dest=$forward_dest
153 # uci commit firewall
154 # firewall_restart=true
156 ####### end uci example #####
159 printf "+ uset %s\n" "$*"
162 local service
="${key%%.*}"
163 restart_var
=${service}_restart
164 if [[ ! ${!restart_var} ]]; then
165 eval $restart_var=false
167 if [[ $
(uci get
"$key") != "$val" ]]; then
168 v uci
set "$key"="$val"
170 eval $restart_var=true
175 printf "+ udel %s\n" "$*"
178 local service
="${key%%.*}"
179 restart_var
=${service}_restart
180 if [[ ! ${!restart_var} ]]; then
181 eval $restart_var=false
183 if uci get
"$key" &>/dev
/null
; then
184 v uci
set "$key"="$val"
186 eval $restart_var=true
197 elif [[ $hostname == cmc
]]; then
215 : ${key:=pictionary49}
221 passwd
-l root ||
: #already locked fails
223 sed -ibak '/^root:/d' /etc
/shadow
224 # /root/router created by manually running passwd then copying the resulting
225 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
226 cat /root
/router
>>/etc
/shadow
227 # otherwise, serial console gets root login with no password
228 uset system.@system
[0].ttylogin
1
232 cat >/usr
/bin
/archlike-pxe-mount
<<'EOFOUTER'
234 # symlinks are collapsed for nfs mount points, so use a bind mount.
235 # tried putting this in /etc/config/fstab,
236 # then doing block mount, it didn't work. This doesn't persist across reboots,
237 # todo: figure that out
239 for d in /run/{arch,parabola}iso/bootmnt; do
240 cat >>/etc/fstab <<EOF
241 /mnt/usb/tftpboot $d none bind 0 0
243 mount | grep $d &>/dev/null || mount $d
245 /etc/init.d/nfsd restart
247 chmod +x
/usr
/bin
/archlike-pxe-mount
249 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc
/passwd
253 uset dropbear.@dropbear
[0].PasswordAuth
0
254 uset dropbear.@dropbear
[0].RootPasswordAuth
0
255 uset dropbear.@dropbear
[0].Port
2220
256 if ! cmp -s /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
; then
257 cp /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
258 dropbear_restart
=true
261 if $dropbear_restart; then
262 v
/etc
/init.d
/dropbear restart
266 uset network.lan.ipaddr
$l.
$lanip
267 uset network.lan.netmask
$mask
268 if $dev2 ||
$client; then
270 uset network.lan.gateway
$l.1
271 uset network.wan.proto none
272 uset network.wan6.proto none
274 /etc
/init.d
/dnsmasq stop
275 /etc
/init.d
/dnsmasq disable
276 /etc
/init.d
/odhcpd stop
277 /etc
/init.d
/odhcpd disable
278 rm -f /etc
/resolv.conf
279 cat >/etc
/resolv.conf
<<'EOF'
284 # things i tried to keep dnsmasq running but not enabled except local dns,
285 # but it didnt work right and i dont need it anyways.
286 # uset dhcp.wan.ignore $dev2 # default is false
287 # uset dhcp.lan.ignore $dev2 # default is false
288 # uset dhcp.@dnsmasq[0].interface lo
289 # uset dhcp.@dnsmasq[0].localuse 0
290 # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
291 # uset dhcp.@dnsmasq[0].noresolv 1
292 # todo: populate /etc/resolv.conf with a static value
295 # these are the defaults
296 uset network.lan.gateway
''
297 uset network.wan.proto dhcp
298 uset network.wan6.proto dhcpv6
299 /etc
/init.d
/dnsmasq start
300 # todo: figure out why this returns 1
301 /etc
/init.d
/dnsmasq
enable ||
:
302 /etc
/init.d
/odhcpd start
303 /etc
/init.d
/odhcpd
enable
306 wireless_restart
=false
309 uset wireless.default_radio0.network
'wwan'
310 uset wireless.default_radio0.ssid
${rclientssid[$rmac]}
311 uset wireless.default_radio0.encryption
'psk2'
312 uset wireless.default_radio0.device
'radio0'
313 uset wireless.default_radio0.mode
'sta'
314 uset wireless.default_radio0.bssid
${rclientbssid[$rmac]}
315 # todo: look into whether 5g network is available.
316 uset wireless.default_radio0.key
${rclientkey[$rmac]}
317 uset wireless.radio0.disabled false
318 uset wireless.radio1.disabled true
321 uset wireless.default_radio
$x.ssid
"$ssid"
322 uset wireless.default_radio
$x.key
$key
323 uset wireless.default_radio
$x.encryption psk2
325 uset wireless.default_radio
$x.macaddr
$macpre$
((macsuf
+ 2*x
))
327 # secondary device has wireless disabled
328 uset wireless.radio
$x.disabled
$dev2
336 # usb, screen, relay are for libremanage
339 # relay package temporarily disabled
340 # /root/relay_1.0-1_mips_24kc.ipk
341 v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
342 tcpdump openvpn-openssl adblock libusb-compat \
343 screen kmod-usb-serial-cp210x kmod-usb-serial-ftdi rsync
345 cat >/etc
/libremanage.conf
<<EOF
346 ${libremanage_host}_type=switch
347 ${libremanage_host}_channel=1
352 v
/etc
/init.d
/fstab
enable ||
:
354 # rebooting makes mounting work, but comparing lsmod,
355 # i'm guessing this will too. todo, test it.
356 # 255 == module already loaded
357 for mod
in scsi_mod sd_mod
; do v modprobe
$mod ||
[[ $?
== 255 ]]; done
359 # for archlike pxe. The default settings in the installer expect to find
360 # the NFS at one of these dirs
361 mkdir
-p /run
/archiso
/bootmnt
362 mkdir
-p /run
/parabolaiso
/bootmnt
364 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
365 # that is the case after running this or rebooting.
366 # wiki says safe to do in case of fstab changes:
368 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
369 # echo | cedit /etc/config/fstab ||:
370 v cedit
/etc
/config
/fstab
<<EOF || { v block umount; v block mount; }
371 config global automount
376 # /overlay is an / overlay mount for installing extra packages, etc.
377 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
378 option target /mnt/usb
379 # option target /overlay
380 option device /dev/sda1
382 option options rw,async,noatime,nodiratime
387 # ian: disabled because afaik I don't need it, no benefit.
388 # config global autoswap
389 # option from_fstab 1
393 # option device /dev/sda1
399 # exportfs -ra wont cut it when its the same path, but now a bind mount
400 # todo: restart nfs when nfs is enabled?
401 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
402 cedit
/etc
/exports
<<EOF ||:
403 /mnt/usb $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
405 /run/archiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
406 /run/parabolaiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
410 # todo: enable nfs when we need it only.
411 # v /etc/init.d/portmap start
412 # v /etc/init.d/nfsd start
413 # v /etc/init.d/portmap enable
414 # v /etc/init.d/nfsd enable
423 ########## openvpn exampl
424 ########## missing firewall settings for routing lan
426 # v /etc/init.d/openvpn start
427 # v /etc/init.d/openvpn enable
429 # # from https://wiki.openwrt.org/doc/uci/firewall
430 # # todo: not sure if /etc/init.d/network needs restarting.
431 # # I did, and I had to restart the vpn afterwards.
432 # # This maps a uci interface to a real interface which is
433 # # managed outside of uci.
434 # v cedit /etc/config/network <<'EOF' ||:
435 # config interface 'tun0'
436 # option ifname 'tun0'
437 # option proto 'none'
439 # v cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
440 # config openvpn my_client_config
442 # option config /etc/openvpn/client.conf
449 network_restart
=false
451 v cedit wific
/etc
/config
/network
<<EOF || network_restart=true
452 # https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
453 config interface 'wwan'
458 v cedit
/etc
/config
/network
<<EOF || network_restart=true
459 config 'route' 'transmission'
460 option 'interface' 'lan'
461 option 'target' '10.173.0.0'
462 option 'netmask' '255.255.0.0'
463 option 'gateway' '$l.3'
465 option interface 'wg0'
466 option proto 'wireguard'
467 option private_key '$(cat /root/wg.key)'
468 option listen_port $wgport
469 list addresses '10.3.0.1/24'
470 list addresses 'fdfd::1/64'
473 config wireguard_wg0 'wgclient'
474 option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
475 option preshared_key '$(cat /root/wg.psk)'
476 list allowed_ips '10.3.0.2/24'
477 list allowed_ips 'fdfd::2/64'
480 if $network_restart; then
481 v
/etc
/init.d
/network reload
487 v cedit wific
/etc
/config
/firewall
<<EOF
492 option forward REJECT
501 v cedit
host /etc
/config
/firewall
<<EOF
511 v cedit
host /etc
/config
/firewall
<<EOF
522 v cedit
/etc
/config
/firewall
<<EOF
531 option src_dport 2202
538 option dest_port 2202
543 option src_dport 2205
550 option dest_port 2205
555 option src_dport 2207
562 option dest_port 2207
567 option src_dport 2208
574 option dest_port 2208
579 option src_dport 8000
580 option dest_port 8000
586 option dest_port 8000
592 option dest_port 2220
598 option dest_port $wgport
605 option src_dport 1196
612 option dest_port 1196
643 option name syncthing
645 option src_dport 22001
651 option dest_port 22001
658 # note, using mac transform, we could allow all traffic to a host like this,
659 # replacing 1 as appropriate
660 #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
666 option name http-ipv6
674 option name https-ipv6
682 option name node-exporter
685 option dest_port 9101
690 option name mail587-ipv6
699 firewall-cedit || firewall_restart
=true
701 if ! uci get firewall.@zone
[1].network |
grep wg0
&>/dev
/null
; then
702 # cant mix cedit plus uci
703 echo | cedit
/etc
/config
/firewall ||
:
704 uci add_list firewall.@zone
[1].network
=wg0
707 firewall_restart
=true
712 v cedit
/etc
/hosts
<<EOF || dnsmasq_restart=true
718 2600:3c00::f03c:91ff:fe6d:baf8 li
720 # netns creation looks for next free subnet starting at 10.173, but I only
721 # use one, and I would keep this one as the first created.
722 10.173.0.2 transmission
726 v cedit
host /etc
/hosts
<<EOF || dnsmasq_restart=true
746 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
747 # if [[ $mail_host ]]; then
748 # sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
752 uset dhcp.@dnsmasq
[0].domain b8.nz
753 uset dhcp.@dnsmasq
[0].
local /b8.nz
/
754 uset system.@system
[0].hostname
$hostname
755 # uci doesnt seem to have a way to set an empty value,
756 # if you delete it, it goes back to the default. this seems
757 # to be a decent workaround.
758 # todo: setup /etc/resolv.conf to point to 127.0.0.1
759 uset dhcp.@dnsmasq
[0].resolvfile
=/dev
/null
761 # disabled for now. i want to selectively enable it
762 # for specific hosts.
763 if [[ $
(uci get adblock.global.adb_enabled
) != 0 ]]; then
764 v uci
set adblock.global.adb_enabled
=0
766 /etc
/init.d
/adblock restart
768 # https://github.com/openwrt/packages/tree/master/net/adblock/files
769 cat >/etc
/crontabs
/root
<<'EOF'
770 0 06 * * * /etc/init.d/adblock reload
774 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
776 # sometimes /mnt/usb fails, cuz it's just a flash drive,
777 # so make sure we have this dir or else dnsmasq will fail
779 mkdir
-p /mnt
/usb
/tftpboot
780 v cedit
/etc
/dnsmasq.conf
<<EOF || dnsmasq_restart=true
781 server=/dmarctest.b8.nz/#
782 server=/_domainkey.b8.nz/#
783 server=/_dmarc.b8.nz/#
788 mx-host=b8.nz,mail.iankelling.org,10
789 txt-record=b8.nz,"v=spf1 a ?all"
792 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
795 # this says the ip of default gateway and dns server,
796 # but I think they are unneded and default
802 # results from googling around dnsmasq optimizations
803 # about 50k in memory. router has 62 megs.
804 # in a browsing session, I probably won't ever do 5000 lookups
805 # before the ttl expiration or whatever does expiration.
808 # ask all servers, use the one which responds first.
809 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
812 # namebench benchmarks dns servers. google's dns was only
813 # slightly less fast than some others, and I trust it more
814 # to give accurate results, stay relatively fast, and
815 # not do anythin too malicious, so just use that.
816 # download namebench and run it like this:
817 # 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
821 server=2001:4860:4860::8888
822 server=2001:4860:4860::8844
825 # to fixup existin ips, on the client you can do
826 # sudo dhclient -r; sudo dhclient <interface-name>
828 # default dhcp range is 100-150
829 # bottom port, iPXE (PCI 03:00.0) in seabios boot menu
830 dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
831 # top port, iPXE (PCI 04:00.0) in seabios boot menu
832 #dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
833 dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
834 # 4 is reserved for a staticly configured host wrt2
835 # old x2 with bad fan
836 #dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
837 dhcp-host=f0:de:f1:81:ec:88,set:x2,$l.5,x2
838 dhcp-host=c4:8e:8f:44:f5:63,set:x2w,$l.6,x2w
839 # This is so fai can have an explicit name to use for testing,
840 # or else any random machine which did a pxe boot would get
841 # reformatted. The mac is from doing a virt-install, cancelling it,
842 # and copying the generated mac, so it should be randomish.
843 dhcp-host=fa:08:f8:4c:14:1c,set:tp,$l.7,rp
844 dhcp-host=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
845 dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.12,demohost
846 dhcp-host=62:03:cb:a8:3e:a3,set:trp,$1.13,trp
847 dhcp-host=00:1f:16:14:01:d8,set:tp,$l.18,x3
848 # BRN001BA98CA823 in dhcp logs
849 dhcp-host=00:1b:a9:8c:a8:23,set:tp,$l.19,brother
850 dhcp-host=38:63:bb:07:5a:f9,set:tp,$l.25,hp
851 dhcp-host=00:26:b6:f6:0f:e9,set:frodow,$l.28,frodow
855 dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
857 # This is the ip it picks by default if dhcp fails,
858 # so might as well use it.
859 # hostname is the name it uses according to telnet
860 dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
865 # Just leave the tftp server up even if we aren't doing pxe boot.
866 # It has no sensitive info.
868 tftp-root=/mnt/usb/tftpboot
869 dhcp-optsfile=/etc/dnsmasq-dhcpopts.conf
875 if $dnsmasq_restart && ! $dev2; then
876 v
/etc
/init.d
/dnsmasq restart
879 if $firewall_restart; then
880 v
/etc
/init.d
/firewall restart
883 # this may just restart the network and take care of the network_restart below.
884 if $wireless_restart; then
888 # todo: we should catch errors and still run this if needed
889 if $network_restart; then