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 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
24 usage: ${0##*/} [-h] [-t 2|3|test] [-m WIRELESS_MAC]
25 setup my router in general: dhcp, dns, etc.
27 Type 2 or 3 is for setting up a backup device, there are two kinds so
28 that you can switch the main device to a backup, then a backup to the
29 main. Type test is for setting up a testing device.
31 Passing an empty string for WIRELESS_MAC will cause the device's native
46 if [[ -e /p
/router-secrets
]]; then
47 source /p
/router-secrets
49 rmac
=$
(cat /sys
/class
/net
/eth
0/address
)
51 hostname
=${rhost[$rmac]}
57 while getopts hm
:t
: opt
; do
64 libremanage_host
=$hostname
77 *) echo "$0: unexpected arg to -t: $*" >&2; usage
1 ;;
81 *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage
1 ;;
84 shift "$((OPTIND-1))" # Discard the options and sentinel --
86 if [[ ! $mac ]] && ! $test; then
87 # if we wanted to increment it
88 #WIRELESSMAC=${WIRELESSMAC:0: -1}$((${WIRELESSMAC: -1} + 2))
92 if (( $# != 0 )); then
106 # background: upgrading all packages is not recommended because it
107 # doesn't go into the firmware. build new firmware if you want
108 # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
109 f
=(/var
/opkg-lists
/*)
110 if ! (( $
(date -r $f +%s
) + 60*60*24 > $
(date +%s
) )); then
111 if ! opkg update
; then
112 echo "$0: warning: opkg update failed" >&2
123 if [[ ! $
(opkg list-installed
"$pname") ]]; then
128 if [[ $to_install ]]; then
129 opkg
install ${to_install[@]}
138 ######### uci example:#######
139 # # https://wiki.openwrt.org/doc/uci
140 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
141 # wan="firewall.@zone[$wan_index]"
142 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
144 # v uci set firewall.@forwarding[0].dest=$forward_dest
145 # uci commit firewall
146 # firewall_restart=true
148 ####### end uci example #####
151 printf "+ uset %s\n" "$*"
154 local service
="${key%%.*}"
155 restart_var
=${service}_restart
156 if [[ ! ${!restart_var} ]]; then
157 eval $restart_var=false
159 if [[ $
(uci get
"$key") != "$val" ]]; then
160 v uci
set "$key"="$val"
162 eval $restart_var=true
167 printf "+ udel %s\n" "$*"
170 local service
="${key%%.*}"
171 restart_var
=${service}_restart
172 if [[ ! ${!restart_var} ]]; then
173 eval $restart_var=false
175 if uci get
"$key" &>/dev
/null
; then
176 v uci
set "$key"="$val"
178 eval $restart_var=true
186 ssid
="check out gnu.org"
191 elif [[ $hostname == cmc
]]; then
199 : ${key:=pictionary49}
205 passwd
-l root ||
: #already locked fails
207 sed -ibak '/^root:/d' /etc
/shadow
208 # /root/router created by manually running passwd then copying the resulting
209 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
210 cat /root
/router
>>/etc
/shadow
211 # otherwise, serial console gets root login with no password
212 uset system.@system
[0].ttylogin
1
216 cat >/usr
/bin
/archlike-pxe-mount
<<'EOFOUTER'
218 # symlinks are collapsed for nfs mount points, so use a bind mount.
219 # tried putting this in /etc/config/fstab,
220 # then doing block mount, it didn't work. This doesn't persist across reboots,
221 # todo: figure that out
223 for d in /run/{arch,parabola}iso/bootmnt; do
224 cat >>/etc/fstab <<EOF
225 /mnt/usb/tftpboot $d none bind 0 0
227 mount | grep $d &>/dev/null || mount $d
229 /etc/init.d/nfsd restart
231 chmod +x
/usr
/bin
/archlike-pxe-mount
233 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc
/passwd
237 uset dropbear.@dropbear
[0].PasswordAuth
0
238 uset dropbear.@dropbear
[0].RootPasswordAuth
0
239 uset dropbear.@dropbear
[0].Port
2220
240 if ! cmp -s /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
; then
241 cp /root
/dropbear_rsa_host_key
/etc
/dropbear
/dropbear_rsa_host_key
242 dropbear_restart
=true
245 if $dropbear_restart; then
246 v
/etc
/init.d
/dropbear restart
250 uset network.lan.ipaddr
$l.
$lanip
251 uset network.lan.netmask
$mask
253 uset network.lan.gateway
$l.1
254 uset network.wan.proto none
255 uset network.wan6.proto none
256 /etc
/init.d
/dnsmasq stop
257 /etc
/init.d
/dnsmasq disable
258 /etc
/init.d
/odhcpd stop
259 /etc
/init.d
/odhcpd disable
260 rm -f /etc
/resolv.conf
261 cat >/etc
/resolv.conf
<<'EOF'
266 # things i tried to keep dnsmasq running but not enabled except local dns,
267 # but it didnt work right and i dont need it anyways.
268 # uset dhcp.wan.ignore $dev2 # default is false
269 # uset dhcp.lan.ignore $dev2 # default is false
270 # uset dhcp.@dnsmasq[0].interface lo
271 # uset dhcp.@dnsmasq[0].localuse 0
272 # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
273 # uset dhcp.@dnsmasq[0].noresolv 1
274 # todo: populate /etc/resolv.conf with a static value
277 # these are the defaults
278 uset network.lan.gateway
''
279 uset network.wan.proto dhcp
280 uset network.wan6.proto dhcpv6
281 /etc
/init.d
/dnsmasq start
282 # todo: figure out why this returns 1
283 /etc
/init.d
/dnsmasq
enable ||
:
284 /etc
/init.d
/odhcpd start
285 /etc
/init.d
/odhcpd
enable
288 wireless_restart
=false
290 uset wireless.default_radio
$x.ssid
"$ssid"
291 uset wireless.default_radio
$x.key
$key
292 uset wireless.default_radio
$x.encryption psk2
294 uset wireless.default_radio
$x.macaddr
$macpre$
((macsuf
+ 2*x
))
296 # secondary device has wireless disabled
297 uset wireless.radio
$x.disabled
$dev2
300 if $wireless_restart; then
306 # usb, screen, relay are for libremanage
308 v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
309 tcpdump openvpn-openssl adblock libusb-compat
/root
/relay_1.0
-1_mips_24kc.ipk \
310 screen kmod-usb-serial-cp210x kmod-usb-serial-ftdi rsync
312 cat >/etc
/libremanage.conf
<<EOF
313 ${libremanage_host}_type=switch
314 ${libremanage_host}_channel=1
319 v
/etc
/init.d
/fstab
enable ||
:
321 # rebooting makes mounting work, but comparing lsmod,
322 # i'm guessing this will too. todo, test it.
323 # 255 == module already loaded
324 for mod
in scsi_mod sd_mod
; do v modprobe
$mod ||
[[ $?
== 255 ]]; done
326 # for archlike pxe. The default settings in the installer expect to find
327 # the NFS at one of these dirs
328 mkdir
-p /run
/archiso
/bootmnt
329 mkdir
-p /run
/parabolaiso
/bootmnt
331 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
332 # that is the case after running this or rebooting.
333 # wiki says safe to do in case of fstab changes:
335 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
336 # echo | cedit /etc/config/fstab ||:
337 v cedit
/etc
/config
/fstab
<<EOF || { v block umount; v block mount; }
338 config global automount
343 # /overlay is an / overlay mount for installing extra packages, etc.
344 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
345 option target /mnt/usb
346 # option target /overlay
347 option device /dev/sda1
349 option options rw,async,noatime,nodiratime
354 # ian: disabled because afaik I don't need it, no benefit.
355 # config global autoswap
356 # option from_fstab 1
360 # option device /dev/sda1
366 # exportfs -ra wont cut it when its the same path, but now a bind mount
367 # todo: restart nfs when nfs is enabled?
368 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
369 cedit
/etc
/exports
<<EOF ||:
370 /mnt/usb $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
372 /run/archiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
373 /run/parabolaiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
377 # todo: enable nfs when we need it only.
378 # v /etc/init.d/portmap start
379 # v /etc/init.d/nfsd start
380 # v /etc/init.d/portmap enable
381 # v /etc/init.d/nfsd enable
390 ########## openvpn exampl
391 ########## missing firewall settings for routing lan
393 # v /etc/init.d/openvpn start
394 # v /etc/init.d/openvpn enable
396 # # from https://wiki.openwrt.org/doc/uci/firewall
397 # # todo: not sure if /etc/init.d/network needs restarting.
398 # # I did, and I had to restart the vpn afterwards.
399 # # This maps a uci interface to a real interface which is
400 # # managed outside of uci.
401 # v cedit /etc/config/network <<'EOF' ||:
402 # config interface 'tun0'
403 # option ifname 'tun0'
404 # option proto 'none'
406 # v cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
407 # config openvpn my_client_config
409 # option config /etc/openvpn/client.conf
417 v cedit
/etc
/config
/network
<<EOF || v /etc/init.d/network reload
418 config 'route' 'transmission'
419 option 'interface' 'lan'
420 option 'target' '10.173.0.0'
421 option 'netmask' '255.255.0.0'
422 option 'gateway' '$l.3'
424 option interface 'wg0'
425 option proto 'wireguard'
426 option private_key '$(cat /root/wg.key)'
427 option listen_port $wgport
428 list addresses '10.3.0.1/24'
429 list addresses 'fdfd::1/64'
432 config wireguard_wg0 'wgclient'
433 option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
434 option preshared_key '$(cat /root/wg.psk)'
435 list allowed_ips '10.3.0.2/24'
436 list allowed_ips 'fdfd::2/64'
440 firewall_restart
=false
443 v cedit
/etc
/config
/firewall
<<EOF
459 option src_dport 2202
466 option dest_port 2202
471 option src_dport 2203
478 option dest_port 2203
483 option src_dport 2205
490 option dest_port 2205
495 option src_dport 2207
502 option dest_port 2207
507 option src_dport 2208
514 option dest_port 2208
521 option dest_port 2220
527 option dest_port $wgport
534 option src_dport 1196
541 option dest_port 1196
572 option name syncthing
574 option src_dport 22001
580 option dest_port 22001
587 # note, using mac transform, we could allow all traffic to a host like this,
588 # replacing 1 as appropriate
589 #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
595 option name http-ipv6
603 option name https-ipv6
611 option name node-exporter
614 option dest_port 9101
619 option name mail587-ipv6
628 firewall-cedit || firewall_restart
=true
630 if ! uci get firewall.@zone
[1].network |
grep wg0
&>/dev
/null
; then
631 # cant mix cedit plus uci
632 echo | cedit
/etc
/config
/firewall ||
:
633 uci add_list firewall.@zone
[1].network
=wg0
636 firewall_restart
=true
640 dnsmasq_restart
=false
641 v cedit
/etc
/hosts
<<EOF || dnsmasq_restart=true
653 2600:3c00::f03c:91ff:fe6d:baf8 li
655 2a01:7e01::f03c:91ff:feb5:baec l2
658 # netns creation looks for next free subnet starting at 10.173, but I only
659 # use one, and I would keep this one as the first created.
660 10.173.0.2 transmission
663 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
664 # if [[ $mail_host ]]; then
665 # sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
669 uset dhcp.@dnsmasq
[0].domain b8.nz
670 uset dhcp.@dnsmasq
[0].
local /b8.nz
/
671 uset system.@system
[0].hostname
$hostname
673 if [[ $
(uci get adblock.global.adb_enabled
) != 1 ]]; then
674 v uci
set adblock.global.adb_enabled
=1
676 /etc
/init.d
/adblock restart
678 # https://github.com/openwrt/packages/tree/master/net/adblock/files
679 cat >/etc
/crontabs
/root
<<'EOF'
680 0 06 * * * /etc/init.d/adblock reload
684 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
686 # sometimes /mnt/usb fails, cuz it's just a flash drive,
687 # so make sure we have this dir or else dnsmasq will fail
689 mkdir
-p /mnt
/usb
/tftpboot
690 v cedit
/etc
/dnsmasq.conf
<<EOF || dnsmasq_restart=true
691 server=/dmarctest.b8.nz/#
692 server=/_domainkey.b8.nz/#
693 server=/_dmarc.b8.nz/#
696 mx-host=b8.nz,mail.iankelling.org,10
697 txt-record=b8.nz,"v=spf1 a ?all"
700 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
703 # this says the ip of default gateway and dns server,
704 # but I think they are unneded and default
710 # results from googling around dnsmasq optimizations
711 # about 50k in memory. router has 62 megs.
712 # in a browsing session, I probably won't ever do 5000 lookups
713 # before the ttl expiration or whatever does expiration.
716 # ask all servers, use the one which responds first.
717 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
720 # namebench benchmarks dns servers. google's dns was only
721 # slightly less fast than some others, and I trust it more
722 # to give accurate results, stay relatively fast, and
723 # not do anythin too malicious, so just use that.
724 # download namebench and run it like this:
725 # 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
729 server=2001:4860:4860::8888
730 server=2001:4860:4860::8844
733 # to fixup existin ips, on the client you can do
734 # sudo dhclient -r; sudo dhclient <interface-name>
736 # default dhcp range is 100-150
737 # bottom port, iPXE (PCI 03:00.0) in seabios boot menu
738 dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
739 # top port, iPXE (PCI 04:00.0) in seabios boot menu
740 #dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
741 dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
742 # 4 is reserved for a staticly configured host.
743 dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
744 # This is so fai can have an explicit name to use for testing,
745 # or else any random machine which did a pxe boot would get
746 # reformatted. The mac is from doing a virt-install, cancelling it,
747 # and copying the generated mac, so it should be randomish.
748 dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.6,demohost
749 dhcp-host=00:1f:16:14:01:d8,set:tp,$l.7,x3
750 dhcp-host=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
753 dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
755 # This is the ip it picks by default if dhcp fails,
756 # so might as well use it.
757 # hostname is the name it uses according to telnet
758 dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
763 # Just leave the tftp server up even if we aren't doing pxe boot.
764 # It has no sensitive info.
766 tftp-root=/mnt/usb/tftpboot
767 dhcp-optsfile=/etc/dnsmasq-dhcpopts.conf
773 if $dnsmasq_restart && ! $dev2; then
774 v
/etc
/init.d
/dnsmasq restart
777 if $firewall_restart; then
778 v
/etc
/init.d
/firewall restart
782 # todo: we should catch errors and still run this if needed
783 if $network_restart; then