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
  19 f=/usr/local/lib/err;test -r $f || { echo "error: $0 no $f" >&2;exit 1;}; . $f
  20
  21
  22 usage() {
  23   cat <<EOF
  24 usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC] [hostname]
  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, or if none is defined in the
  32 secrets file, will cause the device's native mac to be used.
  33
  34 EOF
  35
  36   exit $1
  37 }
  38
  39
  40
  41 zblock=false
  42 if [[ -e /root/zblock ]]; then
  43   zblock=true
  44 fi
  45
  46 dnsmasq_restart=false
  47 unbound_restart=false
  48 firewall_restart=false
  49 dev2=false
  50 test=false
  51 client=false
  52 libremanage_host=wrt2
  53 lanip=1
  54 while getopts hm:t:yz opt; do
  55   case $opt in
  56     h) usage ;;
  57     t)
  58       case $2 in
  59         2|3)
  60           dev2=true
  61           libremanage_host=$hostname
  62           ;;&
  63         2)
  64           lanip=4
  65           hostname=wrt2
  66           ;;
  67         3)
  68           lanip=14
  69           hostname=wrt3
  70           ;;
  71         test)
  72           test=true
  73           ;;
  74         client)
  75           client=true
  76           ;;
  77         *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
  78       esac
  79       ;;
  80     y)
  81       zblock=false
  82       rm -f /root/zblock
  83       ;;
  84     z)
  85       zblock=true
  86       touch /root/zblock
  87       ;;
  88     m)  mac=$OPTARG ;;
  89     *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
  90   esac
  91 done
  92 shift "$((OPTIND-1))"   # Discard the options and sentinel --
  93
  94 if [[ $1 ]]; then
  95   h=$1
  96 else
  97   h=cmc
  98 fi
  99 if [[ ! $hostname ]]; then
 100   hostname=$h
 101 fi
 102
 103
 104 secrets=false
 105 if [[ -e /root/router-secrets ]]; then
 106   secrets=true
 107   source /root/router-secrets
 108 fi
 109
 110 if [[ ! $mac ]] && ! $test && $secrets; then
 111   # if we wanted to increment it
 112   #mac=${mac:0: -1}$((${mac: -1} + 2))
 113   mac=${rwmac[$h]}
 114 fi
 115
 116 if (( $# != 0 )); then
 117   usage 1
 118 fi
 119
 120
 121 macpre=${mac:0: -1}
 122 macsuf=${mac: -1}
 123
 124
 125 p_updated=false
 126 pmirror() {
 127   if $p_updated; then
 128     return
 129   fi
 130   # background: upgrading all packages is not recommended because it
 131   # doesn't go into the firmware. build new firmware if you want
 132   # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
 133   f=(/var/opkg-lists/*)
 134   if ! (( $(date -r $f +%s) + 60*60*24 > $(date +%s) )); then
 135     if ! opkg update; then
 136       echo "$0: warning: opkg update failed" >&2
 137     fi
 138     p_updated=true
 139   fi
 140 }
 141
 142 pi() {
 143   to_install=()
 144   for p in "$@"; do
 145     pname=${p##*/}
 146     pname=${pname%%_*}
 147     if [[ ! $(opkg list-installed "$pname") ]]; then
 148       to_install+=($p)
 149       pmirror
 150     fi
 151   done
 152   if [[ $to_install ]]; then
 153     opkg install ${to_install[@]}
 154   fi
 155 }
 156
 157 v() {
 158   printf "+ %s\n" "$*"
 159   "$@"
 160 }
 161
 162 ######### uci example:#######
 163 # # https://wiki.openwrt.org/doc/uci
 164 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
 165 # wan="firewall.@zone[$wan_index]"
 166 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
 167 #     # default is wan
 168 #     v uci set firewall.@forwarding[0].dest=$forward_dest
 169 #     uci commit firewall
 170 #     firewall_restart=true
 171 # fi
 172 ####### end uci example #####
 173
 174 uset() {
 175   printf "+ uset %s\n" "$*"
 176   local key="$1"
 177   local val="$2"
 178   local service="${key%%.*}"
 179   restart_var=${service}_restart
 180   if [[ ! ${!restart_var} ]]; then
 181     eval $restart_var=false
 182   fi
 183   if [[ $(uci get "$key") != "$val" ]]; then
 184     v uci set "$key"="$val"
 185     uci commit $service
 186     eval $restart_var=true
 187   fi
 188 }
 189
 190 udel() {
 191   printf "+ udel %s\n" "$*"
 192   local key="$1"
 193   local val="$2"
 194   local service="${key%%.*}"
 195   restart_var=${service}_restart
 196   if [[ ! ${!restart_var} ]]; then
 197     eval $restart_var=false
 198   fi
 199   if uci get "$key" &>/dev/null; then
 200     v uci set "$key"="$val"
 201     uci commit $service
 202     eval $restart_var=true
 203   fi
 204 }
 205 cedit() {
 206   v command cedit -v "$@"
 207 }
 208
 209
 210 ### network config
 211 ###
 212 lan=10.0.0.0
 213 if $test; then
 214   lan=10.1.0.0
 215 elif [[ $hostname == cmc ]]; then
 216   lan=10.2.0.0
 217 elif $client; then
 218   lan=10.3.0.0
 219 fi
 220
 221 if $test; then
 222   ssid="gnuv3"
 223 elif $secrets; then
 224   ssid=${rssid[$h]}
 225 fi
 226
 227 : ${ssid:=librecmc}
 228
 229
 230 if $secrets; then
 231   key=${rkey[$h]}
 232 fi
 233 : ${key:=pictionary49}
 234
 235 mask=255.255.0.0
 236 cidr=16
 237 l=${lan%.0}
 238
 239 # why did we lock this? i don't know
 240 #passwd -l root ||: #already locked fails
 241
 242 sed -ibak '/^root:/d' /etc/shadow
 243 # /root/router created by manually running passwd then copying the resulting
 244 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
 245 cat /root/router >>/etc/shadow
 246 # otherwise, serial console gets root login with no password
 247 uset system.@system[0].ttylogin 1
 248
 249
 250
 251 cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
 252 #!/bin/bash
 253 # symlinks are collapsed for nfs mount points, so use a bind mount.
 254 # tried putting this in /etc/config/fstab,
 255 # then doing block mount, it didn't work. This doesn't persist across reboots,
 256 # todo: figure that out
 257 rm -f /etc/fstab
 258 for d in /run/{arch,parabola}iso/bootmnt; do
 259 cat >>/etc/fstab <<EOF
 260 /mnt/usb/tftpboot $d none bind 0 0
 261 EOF
 262 mount | grep $d &>/dev/null || mount $d
 263 done
 264 /etc/init.d/nfsd restart
 265 EOFOUTER
 266 chmod +x /usr/bin/archlike-pxe-mount
 267
 268 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
 269
 270
 271
 272 uset dropbear.@dropbear[0].PasswordAuth 0
 273 uset dropbear.@dropbear[0].RootPasswordAuth 0
 274 uset dropbear.@dropbear[0].Port 2220
 275 if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
 276   cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
 277   dropbear_restart=true
 278 fi
 279
 280 if $dropbear_restart; then
 281   v /etc/init.d/dropbear restart
 282 fi
 283
 284
 285 uset network.lan.ipaddr $l.$lanip
 286 uset network.lan.netmask $mask
 287 if $dev2  || $client; then
 288   if $dev2; then
 289     uset network.lan.gateway $l.1
 290     uset network.wan.proto none
 291     uset network.wan6.proto none
 292   fi
 293   /etc/init.d/dnsmasq stop
 294   /etc/init.d/dnsmasq disable
 295   /etc/init.d/odhcpd stop
 296   /etc/init.d/odhcpd disable
 297   rm -f /etc/resolv.conf
 298   cat >/etc/resolv.conf <<'EOF'
 299 nameserver 8.8.8.8
 300 nameserver 8.8.4.4
 301 EOF
 302
 303   # things i tried to keep dnsmasq running but not enabled except local dns,
 304   # but it didnt work right and i dont need it anyways.
 305   # uset dhcp.wan.ignore $dev2 # default is false
 306   # uset dhcp.lan.ignore $dev2 # default is false
 307   # uset dhcp.@dnsmasq[0].interface lo
 308   # uset dhcp.@dnsmasq[0].localuse 0
 309   # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
 310   # uset dhcp.@dnsmasq[0].noresolv 1
 311   # todo: populate /etc/resolv.conf with a static value
 312
 313 else
 314   # these are the defaults
 315
 316   # this is not needed unless switching from the above condition.
 317   # disabling just to debug
 318   #uset network.lan.gateway ''
 319
 320   uset network.wan.proto dhcp
 321   uset network.wan6.proto dhcpv6
 322   /etc/init.d/dnsmasq start
 323   # todo: figure out why this returns 1
 324   /etc/init.d/dnsmasq enable ||:
 325   /etc/init.d/odhcpd start
 326   /etc/init.d/odhcpd enable
 327 fi
 328
 329 wireless_restart=false
 330
 331 if $client; then
 332   uset wireless.default_radio0.network 'wwan'
 333   uset wireless.default_radio0.ssid ${rclientssid[$h]}
 334   uset wireless.default_radio0.encryption 'psk2'
 335   uset wireless.default_radio0.device 'radio0'
 336   uset wireless.default_radio0.mode 'sta'
 337   uset wireless.default_radio0.bssid ${rclientbssid[$h]}
 338   # todo: look into whether 5g network is available.
 339   uset wireless.default_radio0.key ${rclientkey[$h]}
 340   uset wireless.radio0.disabled false
 341   uset wireless.radio1.disabled true
 342 else
 343   # defaults, just reseting in case client config ran
 344   uset wireless.default_radio0.network lan
 345   uset wireless.default_radio0.mode ap
 346   for x in 0 1; do
 347     uset wireless.default_radio$x.ssid "$ssid"
 348     uset wireless.default_radio$x.key $key
 349     uset wireless.default_radio$x.encryption psk2
 350     if [[ $mac ]]; then
 351       uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
 352     fi
 353     # secondary device has wireless disabled
 354     uset wireless.radio$x.disabled $dev2
 355   done
 356 fi
 357
 358 if grep '^OPENWRT_BOARD="mvebu/cortexa9"' /etc/os-release &>/dev/null; then
 359   # todo, I also enabled irqbalance, didnt script it though
 360   # https://forum.openwrt.org/t/wrt1900acs-wifi-issue-after-upgrade-from-19-07-to-21-02-vacuum-cleaner-legacy-rate-support/113311/28
 361   cat >/etc/rc.local <<'EOF'
 362 echo "0" >> /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu
 363 echo "0" >> /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
 364 exit 0
 365 EOF
 366   chmod +x /etc/rc.local
 367   /etc/rc.local
 368   uset wireless.radio0.disassoc_low_ack 0
 369   uset wireless.radio1.disassoc_low_ack 0
 370 fi
 371 case $HOSTNAME in
 372   cmc)
 373     # found with https://openwrt.org/docs/guide-user/network/wifi/iwchan
 374     uset wireless.radio0.channel 11
 375     ;;
 376 esac
 377
 378
 379 # usb, screen, relay are for libremanage
 380 # rsync is for brc
 381 #
 382 # relay package temporarily disabled
 383 # /root/relay_1.0-1_mips_24kc.ipk
 384 #
 385 # note: prometheus-node-exporter-lua-openwrt seems to be a dependency of
 386 # prometheus-node-exporter-lua in practice.
 387 v pi tcpdump screen rsync unbound-daemon unbound-checkconf \
 388   kmod-usb-storage block-mount kmod-fs-ext4 \
 389   prometheus-node-exporter-lua-openwrt \
 390   prometheus-node-exporter-lua
 391 # nfs-kernel-server \
 392   #   openvpn-openssl adblock libusb-compat \
 393   #   kmod-usb-serial-cp210x kmod-usb-serial-ftdi \
 394
 395
 396 cat >/etc/libremanage.conf <<EOF
 397 ${libremanage_host}_type=switch
 398 ${libremanage_host}_channel=1
 399 EOF
 400
 401
 402
 403 v /etc/init.d/fstab enable ||:
 404
 405 # rebooting makes mounting work, but comparing lsmod,
 406 # i'm guessing this will too. todo, test it.
 407 # 255 == module already loaded
 408 for mod in scsi_mod sd_mod; do v modprobe $mod || [[ $? == 255 ]]; done
 409
 410 # for archlike pxe. The default settings in the installer expect to find
 411 # the NFS at one of these dirs
 412 mkdir -p /run/archiso/bootmnt
 413 mkdir -p /run/parabolaiso/bootmnt
 414
 415 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
 416 # that is the case after running this or rebooting.
 417 # wiki says safe to do in case of fstab changes:
 418
 419 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
 420 # echo | cedit /etc/config/fstab ||:
 421 cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
 422 config global automount
 423       option from_fstab 1
 424       option anon_mount 1
 425
 426 config mount
 427 # /overlay is an / overlay mount for installing extra packages, etc.
 428 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
 429       option target     /mnt/usb
 430 #      option target    /overlay
 431       option device     /dev/sda1
 432       option fstype     ext4
 433       option options    rw,async,noatime,nodiratime
 434       option enabled    0
 435 EOF
 436
 437
 438 # ian: disabled because afaik I don't need it, no benefit.
 439 # config global autoswap
 440 #       option from_fstab 1
 441 #       option anon_swap 1
 442
 443 # config swap
 444 #       option device   /dev/sda1
 445 #       option enabled  1
 446
 447
 448
 449
 450 # exportfs -ra wont cut it when its the same path, but now a bind mount
 451 # todo: restart nfs when nfs is enabled?
 452 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
 453 cedit /etc/exports <<EOF ||:
 454 /mnt/usb  $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 455 # for arch pxe
 456 /run/archiso/bootmnt    $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 457 /run/parabolaiso/bootmnt        $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 458 EOF
 459
 460
 461 # todo: enable nfs when we need it only.
 462 # v /etc/init.d/portmap start
 463 # v /etc/init.d/nfsd start
 464 # v /etc/init.d/portmap enable
 465 # v /etc/init.d/nfsd enable
 466
 467
 468 cedit /etc/config/prometheus-node-exporter-lua <<'EOF' || /etc/init.d/prometheus-node-exporter-lua restart
 469 config prometheus-node-exporter-lua 'main'
 470         option listen_ipv6 '0'
 471         option listen_interface 'lan'
 472         option listen_port '9100
 473 EOF
 474
 475 # default, as of this writing is:
 476 # config prometheus-node-exporter-lua 'main'
 477 #       option listen_interface 'loopback'
 478 #       option listen_port '9100'
 479
 480
 481
 482
 483
 484 ########## openvpn exampl
 485 ########## missing firewall settings for routing lan
 486 ########## traffic
 487 # v /etc/init.d/openvpn start
 488 # v /etc/init.d/openvpn enable
 489
 490 # # from https://wiki.openwrt.org/doc/uci/firewall
 491 # # todo: not sure if /etc/init.d/network needs restarting.
 492 # # I did, and I had to restart the vpn afterwards.
 493 # # This maps a uci interface to a real interface which is
 494 # # managed outside of uci.
 495 # cedit /etc/config/network <<'EOF' ||:
 496 # config interface 'tun0'
 497 #         option ifname 'tun0'
 498 #         option proto 'none'
 499 # EOF
 500 # cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
 501 # config openvpn my_client_config
 502 #         option enabled 1
 503 #         option config /etc/openvpn/client.conf
 504 # EOF
 505
 506 wgip4=10.3.0.1/24
 507 wgip6=fdfd::1/64
 508 wgport=26000
 509
 510 network_restart=false
 511 if $client; then
 512   cedit wific /etc/config/network <<EOF || network_restart=true
 513 # https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
 514 config interface 'wwan'
 515  option proto 'dhcp'
 516 EOF
 517 fi
 518
 519 cedit /etc/config/network <<EOF || network_restart=true
 520 config 'route' 'transmission'
 521  option 'interface' 'lan'
 522  option 'target' '10.173.0.0'
 523  option 'netmask' '255.255.0.0'
 524  option 'gateway' '$l.3'
 525
 526 option interface 'wg0'
 527  option proto 'wireguard'
 528  option private_key '$(cat /root/wg.key)'
 529  option listen_port $wgport
 530  list addresses '10.3.0.1/24'
 531  list addresses 'fdfd::1/64'
 532
 533 # tp
 534 config wireguard_wg0 'wgclient'
 535  option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
 536  option preshared_key '$(cat /root/wg.psk)'
 537  list allowed_ips '10.3.0.2/24'
 538  list allowed_ips 'fdfd::2/64'
 539 EOF
 540
 541 # Need to reload before we change dnsmasq to give out
 542 # static ips in our new range.
 543 if $network_restart; then
 544   v /etc/init.d/network reload
 545 fi
 546
 547 firewall-cedit() {
 548
 549   if $client; then
 550     cedit wific /etc/config/firewall <<EOF
 551 config zone
 552  option name    wwan
 553  option input    REJECT
 554  option output   ACCEPT
 555  option forward  REJECT
 556  option masq     1
 557  option mtu_fix  1
 558  option network  wwan
 559 EOF
 560   fi
 561
 562   case $hostname in
 563     wrt)
 564       cedit host /etc/config/firewall <<EOF
 565 config redirect
 566  option name ssh
 567  option src              wan
 568  option src_dport        22
 569  option dest_ip          $l.3
 570  option dest             lan
 571 EOF
 572       ;;
 573     cmc)
 574       cedit host /etc/config/firewall <<EOF
 575 config redirect
 576  option name ssh
 577  option src              wan
 578  option src_dport        22
 579  option dest_ip          $l.2
 580  option dest             lan
 581 EOF
 582       ;;
 583   esac
 584
 585
 586   cedit /etc/config/firewall <<EOF
 587 ## begin no external dns for ziva
 588 config rule
 589  option src  lan
 590  option src_ip   10.2.0.23
 591  option dest_port 53
 592  option dest  wan
 593  option target REJECT
 594
 595
 596 config rule
 597  option src wan
 598  option dest_ip   10.2.0.23
 599  option src_port 53
 600  option dest  lan
 601  option target REJECT
 602
 603
 604 config rule
 605  option src  lan
 606  option src_ip   10.2.0.31
 607  option dest_port 53
 608  option dest  wan
 609  option target REJECT
 610
 611
 612 config rule
 613  option src wan
 614  option dest_ip   10.2.0.31
 615  option src_port 53
 616  option dest  lan
 617  option target REJECT
 618
 619
 620 config rule
 621  option src  lan
 622  option src_ip   10.2.0.32
 623  option dest_port 53
 624  option dest  wan
 625  option target REJECT
 626
 627
 628 config rule
 629  option src wan
 630  option dest_ip   10.2.0.32
 631  option src_port 53
 632  option dest  lan
 633  option target REJECT
 634 ## end no external dns for ziva
 635
 636
 637 config rule
 638  option src              wan
 639  option target           ACCEPT
 640  option dest_port        22
 641
 642 config redirect
 643  option name promkd
 644  option src              wan
 645  option src_dport        9091
 646  option dest_port        9091
 647  option dest_ip          $l.2
 648  option dest             lan
 649 config rule
 650  option src              wan
 651  option target           ACCEPT
 652  option dest_port        9091
 653
 654
 655 config redirect
 656  option name nagioskd
 657  option src              wan
 658  option src_dport        3005
 659  option dest_port        3005
 660  option dest_ip          $l.2
 661  option dest             lan
 662 config rule
 663  option src              wan
 664  option target           ACCEPT
 665  option dest_port        3005
 666
 667
 668 config redirect
 669  option name sshkd
 670  option src              wan
 671  option src_dport        2202
 672  option dest_port        22
 673  option dest_ip          $l.2
 674  option dest             lan
 675 config rule
 676  option src              wan
 677  option target           ACCEPT
 678  option dest_port        2202
 679
 680
 681 config redirect
 682  option name sshkdalt
 683  option src              wan
 684  option src_dport        8989
 685  option dest_port        8989
 686  option dest_ip          $l.2
 687  option dest             lan
 688 config rule
 689  option src              wan
 690  option target           ACCEPT
 691  option dest_port        8989
 692
 693
 694 config redirect
 695  option name sshx2
 696  option src              wan
 697  option src_dport        2205
 698  option dest_port        22
 699  option dest_ip          $l.5
 700  option dest             lan
 701 config rule
 702  option src              wan
 703  option target           ACCEPT
 704  option dest_port        2205
 705
 706 config redirect
 707  option name sshx3
 708  option src              wan
 709  option src_dport        2207
 710  option dest_port        22
 711  option dest_ip          $l.7
 712  option dest             lan
 713 config rule
 714  option src              wan
 715  option target           ACCEPT
 716  option dest_port        2207
 717
 718 config redirect
 719  option name sshtp
 720  option src              wan
 721  option src_dport        2208
 722  option dest_port        22
 723  option dest_ip          $l.8
 724  option dest             lan
 725 config rule
 726  option src              wan
 727  option target           ACCEPT
 728  option dest_port        2208
 729
 730 config redirect
 731  option name sshbb8
 732  option src              wan
 733  option src_dport        2209
 734  option dest_port        22
 735  option dest_ip          $l.9
 736  option dest             lan
 737 config rule
 738  option src              wan
 739  option target           ACCEPT
 740  option dest_port        2209
 741
 742 config redirect
 743  option name icecast
 744  option src              wan
 745  option src_dport        8000
 746  option dest_port        8000
 747  option dest_ip          $l.2
 748  option dest             lan
 749 config rule
 750  option src              wan
 751  option target           ACCEPT
 752  option dest_port        8000
 753
 754 config rule
 755  option name sshwrt
 756  option src              wan
 757  option target           ACCEPT
 758  option dest_port        2220
 759
 760 config rule
 761  option name wg
 762  option src              wan
 763  option target           ACCEPT
 764  option dest_port        $wgport
 765  option proto            udp
 766
 767
 768 config redirect
 769  option name http
 770  option src              wan
 771  option src_dport        80
 772  option dest             lan
 773  option dest_ip          $l.2
 774  option proto            tcp
 775 config rule
 776  option src              wan
 777  option target           ACCEPT
 778  option dest_port        80
 779  option proto            tcp
 780
 781 config redirect
 782  option name https
 783  option src              wan
 784  option src_dport        443
 785  option dest             lan
 786  option dest_ip          $l.2
 787  option proto            tcp
 788 config rule
 789  option src              wan
 790  option target           ACCEPT
 791  option dest_port        443
 792  option proto            tcp
 793
 794 config redirect
 795 option name httpskd8448
 796  option src              wan
 797  option src_dport        8448
 798  option dest             lan
 799  option dest_ip          $l.2
 800  option proto            tcp
 801 config rule
 802  option src              wan
 803  option target           ACCEPT
 804  option dest_port        8448
 805  option proto            tcp
 806
 807 config redirect
 808  option name syncthing
 809  option src              wan
 810  option src_dport        22001
 811  option dest_ip          $l.8
 812  option dest             lan
 813 config rule
 814  option src              wan
 815  option target           ACCEPT
 816  option dest_port        22001
 817
 818
 819 #config redirect
 820 # option name i2p
 821 # option src              wan
 822 # option src_dport        $i2pport
 823 # option dest_ip          $l.178
 824 # option dest             lan
 825 #config rule
 826 # option src              wan
 827 # option target           ACCEPT
 828 # option dest_port        $i2pport
 829
 830 config rule
 831  option name ssh-ipv6
 832  option src wan
 833  option dest lan
 834  # note, using mac transform, we could allow all traffic to a host like this,
 835  # replacing 1 as appropriate
 836  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 837  option dest_port 22
 838  option target ACCEPT
 839  option family ipv6
 840
 841 config rule
 842  option name http-ipv6
 843  option src wan
 844  option dest lan
 845  option dest_port 80
 846  option target ACCEPT
 847  option family ipv6
 848
 849 config rule
 850  option name https-ipv6
 851  option src wan
 852  option dest lan
 853  option dest_port 443
 854  option target ACCEPT
 855  option family ipv6
 856
 857 config rule
 858  option name node-exporter
 859  option src wan
 860  option dest lan
 861  option dest_port 9101
 862  option target ACCEPT
 863  option family ipv6
 864
 865 config rule
 866  option name mail587-ipv6
 867  option src wan
 868  option dest lan
 869  option dest_port 587
 870  option target ACCEPT
 871  option family ipv6
 872
 873 # not using and in newer wrt, fails, probably due to nonexistent file, error output
 874 # on
 875
 876 # Reference error: left-hand side expression is not an array or object
 877 # In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
 878 #   called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
 879 #   called from function foreach ([C])
 880 #   called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
 881 #   called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
 882 #   called from anonymous function (/usr/share/firewall4/main.uc:143:29)
 883
 884 #  `        if (!inc.enabled) {`
 885 #   Near here -------^
 886 #
 887 #
 888 # The rendered ruleset contains errors, not doing firewall restart.
 889 # /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
 890
 891
 892 ## include a file with users custom iptables rules
 893 #config include
 894 #       option path /etc/firewall.user
 895 #       option type 'restore'
 896 #       option family 'ipv4'
 897
 898 EOF
 899 }
 900 firewall-cedit || firewall_restart=true
 901
 902
 903
 904
 905
 906 # not using wireguard for now
 907 # if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
 908 #   # cant mix cedit plus uci
 909 #   echo | cedit /etc/config/firewall ||:
 910 #   uci add_list firewall.@zone[1].network=wg0
 911 #   uci commit firewall
 912 #   firewall-cedit ||:
 913 #   firewall_restart=true
 914 # fi
 915
 916
 917
 918 cedit /etc/hosts <<EOF ||:
 919 127.0.1.1 $hostname
 920 EOF
 921
 922
 923 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
 924 # if [[ $mail_host ]]; then
 925 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
 926 # fi
 927
 928
 929 uset dhcp.@dnsmasq[0].domain b8.nz
 930 uset system.@system[0].hostname $hostname
 931 uset dhcp.@dnsmasq[0].local
 932
 933 # uci doesnt seem to have a way to set an empty value,
 934 # if you delete it, it goes back to the default. this seems
 935 # to be a decent workaround.
 936 # todo: setup /etc/resolv.conf to point to 127.0.0.1
 937 # later note: disabled, I dunno why I set this.
 938 # uset dhcp.@dnsmasq[0].resolvfile /dev/null
 939
 940 # if dnsmasq happens to not send out a dns server,
 941 # odhcpd will send one out like this:
 942 # NetworkManager[953]: <info>  [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers   => 'fd58:5801:8e02::1'
 943 # but i dont want ipv6 dns, just keep it simple to ipv4.
 944 # I know my isp doesnt have ipv6 right now,
 945 # so just stop this thing.
 946 # note: tried this, it didn't do anything:
 947 # uset dhcp.@odhcpd[0].dns 10.2.0.1
 948
 949 # iank, disablde while debugging.
 950 #/etc/init.d/odhcpd stop
 951 #/etc/init.d/odhcpd disable
 952
 953 # todo: make the above conditional on which server this is.
 954
 955 # avoid errors in log. current isp doesnt have ipv6
 956 uset unbound.@unbound[0].protocol ip4_only
 957
 958 # todo: im not sure all these are needed, but they all look
 959 # like good options.
 960 # https://blog.cloudflare.com/dns-over-tls-for-openwrt/
 961 # https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
 962 #https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
 963 #
 964 # # i found that the zone example was having no effect on the config
 965 # # here:
 966 # https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
 967 #
 968 # # todo: unbound-control, i'm not sure what the purpose of that thing is, some
 969 # # kind of coordination with dhcp of dnsmasq, but what?
 970 #
 971 # note: for debugging, edit /etc/init.d/unbound, change
 972 # procd_set_param command $PROG -d -c $UB_TOTAL_CONF
 973 # to:
 974 # procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
 975
 976 {
 977   cat <<'EOF'
 978 do-tcp: yes
 979 prefetch: yes
 980 qname-minimisation: yes
 981 rrset-roundrobin: yes
 982 use-caps-for-id: yes
 983 do-ip6: no
 984 private-domain: b8.nz
 985 local-zone: "10.in-addr.arpa." transparent
 986 access-control-view: 10.2.0.31/32 "youtube"
 987 EOF
 988
 989   if $zblock; then
 990     cat <<'EOF'
 991 # no sy until that dongle is used by ziva
 992
 993 # syw
 994 #access-control-view: 10.2.0.7/32 "youtube"
 995 # bow
 996 access-control-view: 10.2.0.29/32 "youtube"
 997 # samsungtab
 998 access-control-view: 10.2.0.32/32 "youtube"
 999 EOF
1000   fi
1001 } | cedit /etc/unbound/unbound_srv.conf  || restart_unbound=true
1002
1003
1004 # dns based blocking vs ip based. with ip, same
1005 # server can have multiple domains. in dns,
1006 # you have to make sure clients to use the local dns.
1007 # https dns will need to be blocked by ip in
1008 # order to be comprehensive
1009
1010 cedit /etc/unbound/unbound_ext.conf <<'EOF' || restart_unbound=true
1011 local-data-ptr: "10.2.0.1 cmc.b8.nz"
1012 local-data-ptr: "10.2.0.2 kd.b8.nz"
1013 local-data-ptr: "10.2.0.3 sy.b8.nz"
1014 local-data-ptr: "10.2.0.4 wrt2.b8.nz"
1015 local-data-ptr: "10.2.0.5 x2.b8.nz"
1016 local-data-ptr: "10.2.0.6 x2w.b8.nz"
1017 local-data-ptr: "10.2.0.7 syw.b8.nz"
1018 local-data-ptr: "10.2.0.8 amy.b8.nz"
1019 local-data-ptr: "10.2.0.9 bb8.b8.nz"
1020 local-data-ptr: "10.2.0.12 demohost.b8.nz"
1021 local-data-ptr: "10.2.0.14 wrt3.b8.nz"
1022 local-data-ptr: "10.2.0.19 brother.b8.nz"
1023 local-data-ptr: "10.2.0.23 amyw.b8.nz"
1024 local-data-ptr: "10.2.0.25 hp.b8.nz"
1025 local-data-ptr: "10.2.0.31 amazontab.b8.nz"
1026 local-data-ptr: "10.2.0.32 samsungtab.b8.nz"
1027 local-data-ptr: "10.173.0.2 transmission.b8.nz"
1028 local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
1029 local-data-ptr: "10.173.8.2 nn.b8.nz"
1030
1031 forward-zone:
1032   name: "."
1033 #  forward-addr: 8.8.8.8
1034 #  forward-addr: 8.8.8.8
1035 # https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
1036   forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
1037   forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
1038   forward-ssl-upstream: yes
1039   forward-first: no
1040
1041 view:
1042   name: "youtube"
1043   local-zone: "googlevideo.com." refuse
1044   local-zone: "video.google.com." refuse
1045   local-zone: "youtu.be." refuse
1046   local-zone: "youtube-nocookie.com." refuse
1047   local-zone: "youtube-ui.l.google.com." refuse
1048   local-zone: "youtube.com." refuse
1049   local-zone: "youtube.googleapis.com." refuse
1050   local-zone: "youtubeeducation.com." refuse
1051   local-zone: "youtubei.googleapis.com." refuse
1052   local-zone: "yt3.ggpht.com." refuse
1053   local-zone: "youtubekids.com." refuse
1054   # try global if no match in view
1055   view-first: yes
1056 EOF
1057
1058
1059 if $restart_unbound; then
1060   /etc/init.d/unbound restart
1061   if ! unbound-checkconf; then
1062     echo $0: error: unbound-checkconf failed >&2
1063     exit 1
1064   fi
1065 fi
1066
1067
1068 # # disabled for now. i want to selectively enable it
1069 # # for specific hosts.
1070 # if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
1071 #   v uci set adblock.global.adb_enabled=0
1072 #   uci commit adblock
1073 #   /etc/init.d/adblock restart
1074 # fi
1075 # # https://github.com/openwrt/packages/tree/master/net/adblock/files
1076 # cat >/etc/crontabs/root <<'EOF'
1077 # 0 06 * * *    /etc/init.d/adblock reload
1078 # EOF
1079
1080
1081 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
1082
1083 # sometimes /mnt/usb fails, cuz it's just a flash drive,
1084 # so make sure we have this dir or else dnsmasq will fail
1085 # to start.
1086 mkdir -p /mnt/usb/tftpboot
1087 cedit /etc/dnsmasq.conf  <<EOF || dnsmasq_restart=true
1088 # no dns
1089 port=0
1090 server=/b8.nz/#
1091 ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
1092
1093 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
1094 stop-dns-rebind
1095 rebind-domain-ok=b8.nz
1096
1097 # This says the ip of dns server.
1098 # It is default if dnsmasq is doing dns, otherwise, we have to specify it.
1099 # To see it in action, I ran this from a client machine:
1100 # sudo dhcpcd -o domain_name_servers -T
1101 dhcp-option=option:dns-server,$l.1
1102
1103 # use this when doing fai to get the right timezone, its nfsroot is
1104 # setup to use this dhcp option only and call ntpdate.
1105 # generate ips with:
1106 # 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
1107 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
1108
1109
1110 # results from googling around dnsmasq optimizations
1111 # about 50k in memory. router has 62 megs.
1112 # in a browsing session, I probably won't ever do 5000 lookups
1113 # before the ttl expiration or whatever does expiration.
1114 cache-size=10000
1115
1116 # ask all servers, use the one which responds first.
1117 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
1118 all-servers
1119
1120 # namebench benchmarks dns servers. google's dns was only
1121 # slightly less fast than some others, and I trust it more
1122 # to give accurate results, stay relatively fast, and
1123 # not do anythin too malicious, so just use that.
1124 # download namebench and run it like this:
1125 # 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
1126 # google
1127 server=1.1.1.3
1128 server=1.0.0.3
1129 server=2606:4700:4700::1113
1130 server=2606:4700:4700::1003
1131
1132 server=10.2.0.1
1133 # server=8.8.4.4
1134 # server=8.8.8.8
1135 # server=2001:4860:4860::8888
1136 # server=2001:4860:4860::8844
1137
1138
1139 # to fixup existin ips, on the client you can do
1140 # sudo dhclient -r; sudo dhclient <interface-name>
1141 # or on cmc,
1142 # /etc/init.d/dnsmasq stop
1143 # vi /tmp/dhcp.leases
1144 # /etc/init.d/dnsmasq start
1145
1146
1147 # default dhcp range is 100-150
1148 # bottom port,  iPXE (PCI 03:00.0) in seabios boot menu
1149 dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
1150 dhcp-host=94:05:bb:1e:2c:2e,set:sy,$l.3,sy
1151 #dhcp-host=94:05:bb:1e:2c:2e,set:bo,$l.38,bo
1152 # top port, iPXE (PCI 04:00.0) in seabios boot menu
1153 #dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
1154 # 4 is reserved for a staticly configured host wrt2
1155 dhcp-host=f0:de:f1:81:ec:88,set:x2,$l.5,x2
1156 dhcp-host=c4:8e:8f:44:f5:63,set:x2w,$l.6,x2w
1157 dhcp-host=10:51:07:f5:f1:b8,set:syw,$l.7,syw
1158 dhcp-host=80:fa:5b:1c:6e:cf,set:amy,$l.8,amy
1159 # This is so fai can have an explicit name to use for testing,
1160 # or else any random machine which did a pxe boot would get
1161 # reformatted. The mac is from doing a virt-install, cancelling it,
1162 # and copying the generated mac, so it should be randomish.
1163 dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.12,demohost
1164 ## for using different dhcp server
1165 #dhcp-host=52:54:00:9c:ef:ad,ignore
1166 dhcp-host=62:03:cb:a8:3e:a3,set:trp,$1.13,trp
1167 # 14 = wrt3
1168 dhcp-host=ac:d1:b8:5c:eb:d7,set:x3w,$l.17,x3w
1169 dhcp-host=00:1f:16:14:01:d8,set:x3,$l.18,x3
1170 # BRN001BA98CA823 in dhcp logs
1171 dhcp-host=00:1b:a9:8c:a8:23,set:brother,$l.19,brother
1172
1173 dhcp-host=00:26:b6:f7:d4:d8,set:amyw,$l.23,amyw
1174 dhcp-host=9a:c6:52:6f:ce:7c,set:onep9,$l.24,onep9
1175 dhcp-host=38:63:bb:07:5a:f9,set:hp,$l.25,hp
1176 dhcp-host=00:26:b6:f6:0f:e9,set:frodow,$l.28,frodow
1177 dhcp-host=70:a6:cc:3a:bb:b4,set:bow,$l.29,bow
1178 dhcp-host=6c:56:97:88:7b:74,set:amazontab,$l.31,amazontab
1179 dhcp-host=0a:8a:9b:cf:b5:ec,set:samsungtab,$l.32,samsungtab
1180 dhcp-host=b8:27:eb:78:21:1d,set:pi3b,$l.33,pi3b
1181 # old x2 with bad fan
1182 dhcp-host=00:1f:16:16:39:24,set:x8,$l.38,x8
1183 # server d16:
1184 dhcp-host=38:2c:4a:c9:33:13,set:bigs,$l.48,bigs
1185 dhcp-host=e4:5f:01:07:50:40,set:pi4w,$l.49,pi4
1186 dhcp-host=e4:5f:01:07:50:3f,set:pi4,$l.50,pi4w
1187
1188
1189 # faiserver vm
1190 #dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
1191
1192 # This is the ip it picks by default if dhcp fails,
1193 # so might as well use it.
1194 # hostname is the name it uses according to telnet
1195 dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
1196
1197 # template
1198 # dhcp-host=,$l.,
1199
1200 # pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
1201 # access /mnt/usb/tftpboot due to ujail sandbox
1202 #enable-tftp=br-lan
1203 #tftp-root=/mnt/usb/tftpboot
1204 #tftp-root=/var/run/dnsmasq/tftpboot
1205
1206
1207 dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
1208
1209 # for debugging dhcp
1210 #log-queries=extra
1211 EOF
1212
1213
1214 if $dnsmasq_restart && ! $dev2; then
1215   # todo: can our ptr records be put in /etc/hosts?
1216   # eg: user normal /etc/hosts records, and they wont be used for A resolution
1217   # due to the other settings, but will be used for ptr? then maybe
1218   # we dont have to restart dnsmasq for a dns update?
1219   #
1220   # interesing link:
1221   # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
1222   # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
1223   # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
1224   #
1225   # Also, reload of dnsmasq seems to break things, wifi
1226   # clients were not getting internet connectivity.
1227
1228   v /etc/init.d/dnsmasq restart
1229 fi
1230
1231 if $firewall_restart; then
1232   v /etc/init.d/firewall restart
1233 fi
1234
1235 # turn off luci
1236 /etc/init.d/uhttpd stop
1237 /etc/init.d/uhttpd disable
1238
1239 # this may just restart the network and take care of the network_restart below.
1240 if $wireless_restart; then
1241   v wifi
1242 fi
1243
1244 # todo: we should catch errors and still run this if needed
1245 if $network_restart; then
1246   reboot
1247 fi
1248
1249 exit 0