iankelling.org Git - automated-distro-installer/blob - wrt-setup-local

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   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.
   8
   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.
  13
  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.
  17
  18 set -eE -o pipefail
  19 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  20
  21
  22 usage() {
  23   cat <<EOF
  24 usage: ${0##*/} [-h] [-t 2|3|test] [-m WIRELESS_MAC]
  25 setup my router in general: dhcp, dns, etc.
  26
  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.
  30
  31 Passing an empty string for WIRELESS_MAC will cause the device's native
  32 mac to be used.
  33
  34 EOF
  35
  36   exit $1
  37 }
  38
  39
  40
  41
  42 dnsmasq_restart=false
  43 firewall_restart=false
  44 dev2=false
  45 test=false
  46 libremanage_host=wrt2
  47
  48 secrets=false
  49 if [[ -e /root/router-secrets ]]; then
  50   secrets=true
  51   source /root/router-secrets
  52 fi
  53 rmac=$(cat /sys/class/net/eth0/address)
  54 if $secrets; then
  55   hostname=${rhost[$rmac]}
  56 fi
  57 : ${hostname:=wrt}
  58
  59
  60 lanip=1
  61 while getopts hm:t: opt; do
  62   case $opt in
  63     h) usage ;;
  64     t)
  65       case $2 in
  66         2|3)
  67           dev2=true
  68           libremanage_host=$hostname
  69           ;;&
  70         2)
  71           lanip=4
  72           hostname=wrt2
  73           ;;
  74         3)
  75           lanip=14
  76           hostname=wrt3
  77           ;;
  78         test)
  79           test=true
  80           ;;
  81         *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
  82       esac
  83       ;;
  84     m)  mac=$OPTARG ;;
  85     *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
  86   esac
  87 done
  88 shift "$((OPTIND-1))"   # Discard the options and sentinel --
  89
  90 if [[ ! $mac ]] && ! $test && $secrets; then
  91   # if we wanted to increment it
  92   #mac=${mac:0: -1}$((${mac: -1} + 2))
  93   mac=${rwmac[$rmac]}
  94 fi
  95
  96 if (( $# != 0 )); then
  97   usage 1
  98 fi
  99
 100
 101 macpre=${mac:0: -1}
 102 macsuf=${mac: -1}
 103
 104
 105 p_updated=false
 106 pmirror() {
 107   if $p_updated; then
 108     return
 109   fi
 110   # background: upgrading all packages is not recommended because it
 111   # doesn't go into the firmware. build new firmware if you want
 112   # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
 113   f=(/var/opkg-lists/*)
 114   if ! (( $(date -r $f +%s) + 60*60*24 > $(date +%s) )); then
 115     if ! opkg update; then
 116       echo "$0: warning: opkg update failed" >&2
 117     fi
 118     p_updated=true
 119   fi
 120 }
 121
 122 pi() {
 123   to_install=()
 124   for p in "$@"; do
 125     pname=${p##*/}
 126     pname=${pname%%_*}
 127     if [[ ! $(opkg list-installed "$pname") ]]; then
 128       to_install+=($p)
 129       pmirror
 130     fi
 131   done
 132   if [[ $to_install ]]; then
 133     opkg install ${to_install[@]}
 134   fi
 135 }
 136
 137 v() {
 138   printf "+ %s\n" "$*"
 139   "$@"
 140 }
 141
 142 ######### uci example:#######
 143 # # https://wiki.openwrt.org/doc/uci
 144 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
 145 # wan="firewall.@zone[$wan_index]"
 146 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
 147 #     # default is wan
 148 #     v uci set firewall.@forwarding[0].dest=$forward_dest
 149 #     uci commit firewall
 150 #     firewall_restart=true
 151 # fi
 152 ####### end uci example #####
 153
 154 uset() {
 155   printf "+ uset %s\n" "$*"
 156   local key="$1"
 157   local val="$2"
 158   local service="${key%%.*}"
 159   restart_var=${service}_restart
 160   if [[ ! ${!restart_var} ]]; then
 161     eval $restart_var=false
 162   fi
 163   if [[ $(uci get "$key") != "$val" ]]; then
 164     v uci set "$key"="$val"
 165     uci commit $service
 166     eval $restart_var=true
 167   fi
 168 }
 169
 170 udel() {
 171   printf "+ udel %s\n" "$*"
 172   local key="$1"
 173   local val="$2"
 174   local service="${key%%.*}"
 175   restart_var=${service}_restart
 176   if [[ ! ${!restart_var} ]]; then
 177     eval $restart_var=false
 178   fi
 179   if uci get "$key" &>/dev/null; then
 180     v uci set "$key"="$val"
 181     uci commit $service
 182     eval $restart_var=true
 183   fi
 184 }
 185
 186
 187
 188 ### network config
 189 ###
 190 lan=10.0.0.0
 191 if $test; then
 192   lan=10.1.0.0
 193 elif [[ $hostname == cmc ]]; then
 194   lan=10.2.0.0
 195 fi
 196
 197 if $test; then
 198   ssid="gnuv3"
 199 elif $secrets; then
 200   ssid=${rssid[$rmac]}
 201 fi
 202
 203 : ${ssid:=librecmc}
 204
 205
 206 if $secrets; then
 207   key=${rkey[$rmac]}
 208 fi
 209 : ${key:=pictionary49}
 210
 211 mask=255.255.0.0
 212 cidr=16
 213 l=${lan%.0}
 214
 215 passwd -l root ||: #already locked fails
 216
 217 sed -ibak '/^root:/d' /etc/shadow
 218 # /root/router created by manually running passwd then copying the resulting
 219 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
 220 cat /root/router >>/etc/shadow
 221 # otherwise, serial console gets root login with no password
 222 uset system.@system[0].ttylogin 1
 223
 224
 225
 226 cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
 227 #!/bin/bash
 228 # symlinks are collapsed for nfs mount points, so use a bind mount.
 229 # tried putting this in /etc/config/fstab,
 230 # then doing block mount, it didn't work. This doesn't persist across reboots,
 231 # todo: figure that out
 232 rm -f /etc/fstab
 233 for d in /run/{arch,parabola}iso/bootmnt; do
 234 cat >>/etc/fstab <<EOF
 235 /mnt/usb/tftpboot $d none bind 0 0
 236 EOF
 237 mount | grep $d &>/dev/null || mount $d
 238 done
 239 /etc/init.d/nfsd restart
 240 EOFOUTER
 241 chmod +x /usr/bin/archlike-pxe-mount
 242
 243 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
 244
 245
 246
 247 uset dropbear.@dropbear[0].PasswordAuth 0
 248 uset dropbear.@dropbear[0].RootPasswordAuth 0
 249 uset dropbear.@dropbear[0].Port 2220
 250 if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
 251   cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
 252   dropbear_restart=true
 253 fi
 254
 255 if $dropbear_restart; then
 256   v /etc/init.d/dropbear restart
 257 fi
 258
 259
 260 uset network.lan.ipaddr $l.$lanip
 261 uset network.lan.netmask $mask
 262 if $dev2; then
 263   uset network.lan.gateway $l.1
 264   uset network.wan.proto none
 265   uset network.wan6.proto none
 266   /etc/init.d/dnsmasq stop
 267   /etc/init.d/dnsmasq disable
 268   /etc/init.d/odhcpd stop
 269   /etc/init.d/odhcpd disable
 270   rm -f /etc/resolv.conf
 271   cat >/etc/resolv.conf <<'EOF'
 272 nameserver 8.8.8.8
 273 nameserver 8.8.4.4
 274 EOF
 275
 276   # things i tried to keep dnsmasq running but not enabled except local dns,
 277   # but it didnt work right and i dont need it anyways.
 278   # uset dhcp.wan.ignore $dev2 # default is false
 279   # uset dhcp.lan.ignore $dev2 # default is false
 280   # uset dhcp.@dnsmasq[0].interface lo
 281   # uset dhcp.@dnsmasq[0].localuse 0
 282   # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
 283   # uset dhcp.@dnsmasq[0].noresolv 1
 284   # todo: populate /etc/resolv.conf with a static value
 285
 286 else
 287   # these are the defaults
 288   uset network.lan.gateway ''
 289   uset network.wan.proto dhcp
 290   uset network.wan6.proto dhcpv6
 291   /etc/init.d/dnsmasq start
 292   # todo: figure out why this returns 1
 293   /etc/init.d/dnsmasq enable ||:
 294   /etc/init.d/odhcpd start
 295   /etc/init.d/odhcpd enable
 296 fi
 297
 298 wireless_restart=false
 299 for x in 0 1; do
 300   uset wireless.default_radio$x.ssid "$ssid"
 301   uset wireless.default_radio$x.key $key
 302   uset wireless.default_radio$x.encryption psk2
 303   if [[ $mac ]]; then
 304     uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
 305   fi
 306   # secondary device has wireless disabled
 307   uset wireless.radio$x.disabled $dev2
 308 done
 309
 310 if $wireless_restart; then
 311   v wifi
 312 fi
 313
 314
 315
 316 # usb, screen, relay are for libremanage
 317 # rsync is for brc
 318 v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
 319   tcpdump openvpn-openssl adblock libusb-compat /root/relay_1.0-1_mips_24kc.ipk \
 320   screen kmod-usb-serial-cp210x kmod-usb-serial-ftdi rsync
 321
 322 cat >/etc/libremanage.conf <<EOF
 323 ${libremanage_host}_type=switch
 324 ${libremanage_host}_channel=1
 325 EOF
 326
 327
 328
 329 v /etc/init.d/fstab enable ||:
 330
 331 # rebooting makes mounting work, but comparing lsmod,
 332 # i'm guessing this will too. todo, test it.
 333 # 255 == module already loaded
 334 for mod in scsi_mod sd_mod; do v modprobe $mod || [[ $? == 255 ]]; done
 335
 336 # for archlike pxe. The default settings in the installer expect to find
 337 # the NFS at one of these dirs
 338 mkdir -p /run/archiso/bootmnt
 339 mkdir -p /run/parabolaiso/bootmnt
 340
 341 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
 342 # that is the case after running this or rebooting.
 343 # wiki says safe to do in case of fstab changes:
 344
 345 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
 346 # echo | cedit /etc/config/fstab ||:
 347 v cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
 348 config global automount
 349       option from_fstab 1
 350       option anon_mount 1
 351
 352 config mount
 353 # /overlay is an / overlay mount for installing extra packages, etc.
 354 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
 355       option target     /mnt/usb
 356 #      option target    /overlay
 357       option device     /dev/sda1
 358       option fstype     ext4
 359       option options    rw,async,noatime,nodiratime
 360       option enabled    0
 361 EOF
 362
 363
 364 # ian: disabled because afaik I don't need it, no benefit.
 365 # config global autoswap
 366 #       option from_fstab 1
 367 #       option anon_swap 1
 368
 369 # config swap
 370 #       option device   /dev/sda1
 371 #       option enabled  1
 372
 373
 374
 375
 376 # exportfs -ra wont cut it when its the same path, but now a bind mount
 377 # todo: restart nfs when nfs is enabled?
 378 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
 379 cedit /etc/exports <<EOF ||:
 380 /mnt/usb  $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 381 # for arch pxe
 382 /run/archiso/bootmnt    $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 383 /run/parabolaiso/bootmnt        $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 384 EOF
 385
 386
 387 # todo: enable nfs when we need it only.
 388 # v /etc/init.d/portmap start
 389 # v /etc/init.d/nfsd start
 390 # v /etc/init.d/portmap enable
 391 # v /etc/init.d/nfsd enable
 392
 393
 394
 395
 396
 397
 398
 399
 400 ########## openvpn exampl
 401 ########## missing firewall settings for routing lan
 402 ########## traffic
 403 # v /etc/init.d/openvpn start
 404 # v /etc/init.d/openvpn enable
 405
 406 # # from https://wiki.openwrt.org/doc/uci/firewall
 407 # # todo: not sure if /etc/init.d/network needs restarting.
 408 # # I did, and I had to restart the vpn afterwards.
 409 # # This maps a uci interface to a real interface which is
 410 # # managed outside of uci.
 411 # v cedit /etc/config/network <<'EOF' ||:
 412 # config interface 'tun0'
 413 #         option ifname 'tun0'
 414 #         option proto 'none'
 415 # EOF
 416 # v cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
 417 # config openvpn my_client_config
 418 #         option enabled 1
 419 #         option config /etc/openvpn/client.conf
 420 # EOF
 421
 422 wgip4=10.3.0.1/24
 423 wgip6=fdfd::1/64
 424 wgport=26000
 425
 426
 427 v cedit /etc/config/network <<EOF || v /etc/init.d/network reload
 428 config 'route' 'transmission'
 429  option 'interface' 'lan'
 430  option 'target' '10.173.0.0'
 431  option 'netmask' '255.255.0.0'
 432  option 'gateway' '$l.3'
 433
 434 option interface 'wg0'
 435  option proto 'wireguard'
 436  option private_key '$(cat /root/wg.key)'
 437  option listen_port $wgport
 438  list addresses '10.3.0.1/24'
 439  list addresses 'fdfd::1/64'
 440
 441 # tp
 442 config wireguard_wg0 'wgclient'
 443  option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
 444  option preshared_key '$(cat /root/wg.psk)'
 445  list allowed_ips '10.3.0.2/24'
 446  list allowed_ips 'fdfd::2/64'
 447 EOF
 448
 449
 450
 451 firewall-cedit() {
 452   case $hostname in
 453     wrt)
 454       v cedit host /etc/config/firewall <<EOF
 455 config redirect
 456  option name ssh
 457  option src              wan
 458  option src_dport        22
 459  option dest_ip          $l.3
 460  option dest             lan
 461 EOF
 462       ;;
 463     cmc)
 464       v cedit host /etc/config/firewall <<EOF
 465 config redirect
 466  option name ssh
 467  option src              wan
 468  option src_dport        22
 469  option dest_ip          $l.2
 470  option dest             lan
 471 EOF
 472       ;;
 473   esac
 474
 475   v cedit /etc/config/firewall <<EOF
 476 config rule
 477  option src              wan
 478  option target           ACCEPT
 479  option dest_port        22
 480
 481 config redirect
 482  option name sshtp
 483  option src              wan
 484  option src_dport        2202
 485  option dest_port        22
 486  option dest_ip          $l.8
 487  option dest             lan
 488 config rule
 489  option src              wan
 490  option target           ACCEPT
 491  option dest_port        2202
 492
 493 config redirect
 494  option name sshx2
 495  option src              wan
 496  option src_dport        2205
 497  option dest_port        22
 498  option dest_ip          $l.5
 499  option dest             lan
 500 config rule
 501  option src              wan
 502  option target           ACCEPT
 503  option dest_port        2205
 504
 505 config redirect
 506  option name sshx3
 507  option src              wan
 508  option src_dport        2207
 509  option dest_port        22
 510  option dest_ip          $l.7
 511  option dest             lan
 512 config rule
 513  option src              wan
 514  option target           ACCEPT
 515  option dest_port        2207
 516
 517 config redirect
 518  option name sshtp
 519  option src              wan
 520  option src_dport        2208
 521  option dest_port        22
 522  option dest_ip          $l.8
 523  option dest             lan
 524 config rule
 525  option src              wan
 526  option target           ACCEPT
 527  option dest_port        2208
 528
 529
 530 config rule
 531  option name sshwrt
 532  option src              wan
 533  option target           ACCEPT
 534  option dest_port        2220
 535
 536 config rule
 537  option name wg
 538  option src              wan
 539  option target           ACCEPT
 540  option dest_port        $wgport
 541  option proto            udp
 542
 543
 544 config redirect
 545  option name vpntp
 546  option src              wan
 547  option src_dport        1196
 548  option dest             lan
 549  option dest_ip          $l.8
 550  option proto            udp
 551 config rule
 552  option src              wan
 553  option target           ACCEPT
 554  option dest_port        1196
 555  option proto            udp
 556
 557
 558 config redirect
 559  option name httptp
 560  option src              wan
 561  option src_dport        80
 562  option dest             lan
 563  option dest_ip          $l.8
 564  option proto            tcp
 565 config rule
 566  option src              wan
 567  option target           ACCEPT
 568  option dest_port        80
 569  option proto            tcp
 570
 571 config redirect
 572  option name httpstp
 573  option src              wan
 574  option src_dport        443
 575  option dest             lan
 576  option dest_ip          $l.8
 577  option proto            tcp
 578 config rule
 579  option src              wan
 580  option target           ACCEPT
 581  option dest_port        443
 582  option proto            tcp
 583
 584 config redirect
 585  option name syncthing
 586  option src              wan
 587  option src_dport        22001
 588  option dest_ip          $l.8
 589  option dest             lan
 590 config rule
 591  option src              wan
 592  option target           ACCEPT
 593  option dest_port        22001
 594
 595
 596 config rule
 597  option name ssh-ipv6
 598  option src wan
 599  option dest lan
 600  # note, using mac transform, we could allow all traffic to a host like this,
 601  # replacing 1 as appropriate
 602  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 603  option dest_port 22
 604  option target ACCEPT
 605  option family ipv6
 606
 607 config rule
 608  option name http-ipv6
 609  option src wan
 610  option dest lan
 611  option dest_port 80
 612  option target ACCEPT
 613  option family ipv6
 614
 615 config rule
 616  option name https-ipv6
 617  option src wan
 618  option dest lan
 619  option dest_port 443
 620  option target ACCEPT
 621  option family ipv6
 622
 623 config rule
 624  option name node-exporter
 625  option src wan
 626  option dest lan
 627  option dest_port 9101
 628  option target ACCEPT
 629  option family ipv6
 630
 631 config rule
 632  option name mail587-ipv6
 633  option src wan
 634  option dest lan
 635  option dest_port 587
 636  option target ACCEPT
 637  option family ipv6
 638
 639 EOF
 640 }
 641 firewall-cedit || firewall_restart=true
 642
 643 if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
 644   # cant mix cedit plus uci
 645   echo | cedit /etc/config/firewall ||:
 646   uci add_list firewall.@zone[1].network=wg0
 647   uci commit firewall
 648   firewall-cedit ||:
 649   firewall_restart=true
 650 fi
 651
 652
 653
 654 v cedit /etc/hosts <<EOF || dnsmasq_restart=true
 655 127.0.1.1 $hostname
 656 #$l.7 x3
 657 $l.12 demohost
 658 $l.13 trp
 659 72.14.176.105 li
 660 2600:3c00::f03c:91ff:fe6d:baf8 li
 661 85.119.83.50 bk
 662 2001:ba8:1f1:f0c9::2 bk
 663
 664 # netns creation looks for next free subnet starting at 10.173, but I only
 665 # use one, and I would keep this one as the first created.
 666 10.173.0.2 transmission
 667 EOF
 668 case $hostname in
 669   wrt)
 670     v cedit host /etc/hosts <<EOF || dnsmasq_restart=true
 671 $l.1 $hostname t.b8.nz
 672 $l.3 frodo
 673 $l.4 wrt2
 674 $l.5 x2 faiserver
 675 $l.6 x2w
 676 EOF
 677     v cedit host /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
 678 server=/b8.nz/#
 679
 680 server=/kd.b8.nz/#
 681 server=/x2.b8.nz/#
 682 server=/x2w.b8.nz/#
 683 server=/tp.b8.nz/#
 684 server=/bb8.b8.nz/#
 685 server=/wrt3.b8.nz/#
 686 EOF
 687     ;;
 688
 689   cmc)
 690     v cedit host /etc/hosts <<EOF || dnsmasq_restart=true
 691 $l.1 $hostname b8.nz
 692 $l.2 kd
 693 $l.8 tp
 694 $l.9 bb8
 695 $l.14 wrt3
 696 EOF
 697     v cedit host /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
 698 server=/t.b8.nz/#
 699 server=/frodo.b8.nz/#
 700 server=/wrt.b8.nz/#
 701 server=/wrt2.b8.nz/#
 702 EOF
 703     ;;
 704 esac
 705
 706
 707 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
 708 # if [[ $mail_host ]]; then
 709 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
 710 # fi
 711
 712
 713 uset dhcp.@dnsmasq[0].domain b8.nz
 714 uset dhcp.@dnsmasq[0].local /b8.nz/
 715 uset system.@system[0].hostname $hostname
 716 # uci doesnt seem to have a way to set an empty value,
 717 # if you delete it, it goes back to the default. this seems
 718 # to be a decent workaround.
 719 uset dhcp.@dnsmasq[0].resolvfile=/dev/null
 720
 721 # disabled for now. i want to selectively enable it
 722 # for specific hosts.
 723 if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
 724   v uci set adblock.global.adb_enabled=0
 725   uci commit adblock
 726   /etc/init.d/adblock restart
 727 fi
 728 # https://github.com/openwrt/packages/tree/master/net/adblock/files
 729 cat >/etc/crontabs/root <<'EOF'
 730 0 06 * * *    /etc/init.d/adblock reload
 731 EOF
 732
 733
 734 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
 735
 736 # sometimes /mnt/usb fails, cuz it's just a flash drive,
 737 # so make sure we have this dir or else dnsmasq will fail
 738 # to start.
 739 mkdir -p /mnt/usb/tftpboot
 740 v cedit /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
 741 server=/dmarctest.b8.nz/#
 742 server=/_domainkey.b8.nz/#
 743 server=/_dmarc.b8.nz/#
 744 server=/ns1.b8.nz/#
 745 server=/ns2.b8.nz/#
 746 mx-host=b8.nz,mail.iankelling.org,10
 747 txt-record=b8.nz,"v=spf1 a ?all"
 748
 749
 750 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
 751 stop-dns-rebind
 752
 753 # this says the ip of default gateway and dns server,
 754 # but I think they are unneded and default
 755 #dhcp-option=3,$l.1
 756 #dhcp-option=6,$l.1
 757
 758
 759
 760 # results from googling around dnsmasq optimizations
 761 # about 50k in memory. router has 62 megs.
 762 # in a browsing session, I probably won't ever do 5000 lookups
 763 # before the ttl expiration or whatever does expiration.
 764 cache-size=10000
 765
 766 # ask all servers, use the one which responds first.
 767 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
 768 all-servers
 769
 770 # namebench benchmarks dns servers. google's dns was only
 771 # slightly less fast than some others, and I trust it more
 772 # to give accurate results, stay relatively fast, and
 773 # not do anythin too malicious, so just use that.
 774 # download namebench and run it like this:
 775 # for x in all regional isp global preferred nearby; do ./namebench.py -s \$x -c US -i firefox -m weighted -J 10 -w; echo \$x; hr;  done
 776 # google
 777 server=8.8.4.4
 778 server=8.8.8.8
 779 server=2001:4860:4860::8888
 780 server=2001:4860:4860::8844
 781
 782
 783 # to fixup existin ips, on the client you can do
 784 # sudo dhclient -r; sudo dhclient <interface-name>
 785
 786 # default dhcp range is 100-150
 787 # bottom port,  iPXE (PCI 03:00.0) in seabios boot menu
 788 dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
 789 # top port, iPXE (PCI 04:00.0) in seabios boot menu
 790 #dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
 791 dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
 792 # 4 is reserved for a staticly configured host wrt2
 793 # old x2 with bad fan
 794 #dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
 795 dhcp-host=f0:de:f1:81:ec:88,set:x2,$l.5,x2
 796 dhcp-host=c4:8e:8f:44:f5:63,set:x2w,$l.6,x2w
 797 # This is so fai can have an explicit name to use for testing,
 798 # or else any random machine which did a pxe boot would get
 799 # reformatted. The mac is from doing a virt-install, cancelling it,
 800 # and copying the generated mac, so it should be randomish.
 801 dhcp-host=00:1f:16:14:01:d8,set:tp,$l.7,x3
 802 dhcp-host=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
 803 dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.12,demohost
 804 dhcp-host=62:03:cb:a8:3e:a3,set:trp,$1.13,trp
 805
 806 # faiserver vm
 807 dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
 808
 809 # This is the ip it picks by default if dhcp fails,
 810 # so might as well use it.
 811 # hostname is the name it uses according to telnet
 812 dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
 813
 814 # template
 815 # dhcp-host=,$l.,
 816
 817 # Just leave the tftp server up even if we aren't doing pxe boot.
 818 # It has no sensitive info.
 819 enable-tftp=br-lan
 820 tftp-root=/mnt/usb/tftpboot
 821 dhcp-optsfile=/etc/dnsmasq-dhcpopts.conf
 822
 823 #log-queries=extra
 824 EOF
 825
 826
 827
 828
 829 if $dnsmasq_restart && ! $dev2; then
 830   v /etc/init.d/dnsmasq restart
 831 fi
 832
 833 if $firewall_restart; then
 834   v /etc/init.d/firewall restart
 835 fi
 836
 837
 838 # todo: we should catch errors and still run this if needed
 839 if $network_restart; then
 840   reboot
 841 fi
 842
 843 exit 0