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/bash-bear;test -r $f || { echo "error: $0 no $f" >&2;exit 1;}; . $f
  20
  21 usage() {
  22   cat <<EOF
  23 usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC] [hostname]
  24 setup my router in general: dhcp, dns, etc.
  25
  26 Type 2 or 3 is for setting up a backup device, there are two kinds so
  27 that you can switch the main device to a backup, then a backup to the
  28 main. Type test is for setting up a testing device.
  29
  30 Passing an empty string for WIRELESS_MAC, or if none is defined in the
  31 secrets file, will cause the device's native mac to be used.
  32
  33 EOF
  34
  35   exit $1
  36 }
  37
  38
  39
  40 zblock=false
  41 if [[ -e /root/zblock ]]; then
  42   zblock=true
  43 fi
  44
  45 dnsmasq_restart=false
  46 unbound_restart=false
  47 firewall_restart=false
  48 dev2=false
  49 test=false
  50 client=false
  51 ap=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         ap)
  78           ap=true
  79           lanip=53
  80           hostname=cmcap
  81           ;;
  82         *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
  83       esac
  84       ;;
  85     y)
  86       zblock=false
  87       rm -f /root/zblock
  88       ;;
  89     z)
  90       zblock=true
  91       touch /root/zblock
  92       ;;
  93     m)  mac=$OPTARG ;;
  94     *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
  95   esac
  96 done
  97 shift "$((OPTIND-1))"   # Discard the options and sentinel --
  98
  99 if [[ $1 ]]; then
 100   h=$1
 101 elif [[ $hostname ]]; then
 102   h=$hostname
 103 else
 104   h=cmc
 105 fi
 106
 107 if [[ ! $hostname ]]; then
 108   hostname=$h
 109 fi
 110
 111
 112 secrets=false
 113 if [[ -e /root/router-secrets ]]; then
 114   secrets=true
 115   source /root/router-secrets
 116 fi
 117
 118 if [[ ! $mac ]] && ! $test && $secrets; then
 119   # if we wanted to increment it
 120   #mac=${mac:0: -1}$((${mac: -1} + 2))
 121   mac=${rwmac[$h]}
 122 fi
 123
 124 if (( $# != 0 )); then
 125   usage 1
 126 fi
 127
 128
 129 macpre=${mac:0: -1}
 130 macsuf=${mac: -1}
 131
 132
 133 p_updated=false
 134 pmirror() {
 135   if $p_updated; then
 136     return
 137   fi
 138   # background: upgrading all packages is not recommended because it
 139   # doesn't go into the firmware. build new firmware if you want
 140   # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
 141   f=(/var/opkg-lists/*)
 142   if ! (( $(date -r $f +%s) + 60*60*24 > $(date +%s) )); then
 143     if ! opkg update; then
 144       echo "$0: warning: opkg update failed" >&2
 145     fi
 146     p_updated=true
 147   fi
 148 }
 149
 150 pi() {
 151   to_install=()
 152   for p in "$@"; do
 153     pname=${p##*/}
 154     pname=${pname%%_*}
 155     if [[ ! $(opkg list-installed "$pname") ]]; then
 156       to_install+=($p)
 157       pmirror
 158     fi
 159   done
 160   if [[ $to_install ]]; then
 161     opkg install ${to_install[@]}
 162   fi
 163 }
 164
 165 v() {
 166   printf "+ %s\n" "$*"
 167   "$@"
 168 }
 169
 170 ######### uci example:#######
 171 # # https://wiki.openwrt.org/doc/uci
 172 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
 173 # wan="firewall.@zone[$wan_index]"
 174 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
 175 #     # default is wan
 176 #     v uci set firewall.@forwarding[0].dest=$forward_dest
 177 #     uci commit firewall
 178 #     firewall_restart=true
 179 # fi
 180 ####### end uci example #####
 181
 182 uset() {
 183   printf "+ uset %s\n" "$*"
 184   local key="$1"
 185   local val="$2"
 186   local service="${key%%.*}"
 187   restart_var=${service}_restart
 188   if [[ ! ${!restart_var} ]]; then
 189     eval $restart_var=false
 190   fi
 191   if [[ $(uci get "$key") != "$val" ]]; then
 192     v uci set "$key"="$val"
 193     uci commit $service
 194     eval $restart_var=true
 195   fi
 196 }
 197
 198 udel() {
 199   printf "+ udel %s\n" "$*"
 200   local key="$1"
 201   local val="$2"
 202   local service="${key%%.*}"
 203   restart_var=${service}_restart
 204   if [[ ! ${!restart_var} ]]; then
 205     eval $restart_var=false
 206   fi
 207   if uci get "$key" &>/dev/null; then
 208     v uci set "$key"="$val"
 209     uci commit $service
 210     eval $restart_var=true
 211   fi
 212 }
 213 cedit() {
 214   v command cedit -v "$@"
 215 }
 216
 217
 218 ### network config
 219 ###
 220 lan=10.0.0.0
 221 if $test; then
 222   lan=10.1.0.0
 223 elif [[ $hostname == cmc || $hostname == cmcap ]]; then
 224   lan=10.2.0.0
 225 elif $client; then
 226   lan=10.3.0.0
 227 fi
 228
 229 if $test; then
 230   ssid="gnuv3"
 231 elif $secrets; then
 232   ssid=${rssid[$h]}
 233 fi
 234
 235 : ${ssid:=librecmc}
 236
 237
 238 if $secrets; then
 239   key=${rkey[$h]}
 240 fi
 241 : ${key:=pictionary49}
 242
 243 mask=255.255.0.0
 244 cidr=16
 245 l=${lan%.0}
 246
 247 # why did we lock this? i don't know
 248 #passwd -l root ||: #already locked fails
 249
 250 sed -ibak '/^root:/d' /etc/shadow
 251 # /root/router created by manually running passwd then copying the resulting
 252 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
 253 cat /root/router >>/etc/shadow
 254 # otherwise, serial console gets root login with no password
 255 uset system.@system[0].ttylogin 1
 256
 257
 258
 259 cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
 260 #!/bin/bash
 261 # symlinks are collapsed for nfs mount points, so use a bind mount.
 262 # tried putting this in /etc/config/fstab,
 263 # then doing block mount, it didn't work. This doesn't persist across reboots,
 264 # todo: figure that out
 265 rm -f /etc/fstab
 266 for d in /run/{arch,parabola}iso/bootmnt; do
 267 cat >>/etc/fstab <<EOF
 268 /mnt/usb/tftpboot $d none bind 0 0
 269 EOF
 270 mount | grep $d &>/dev/null || mount $d
 271 done
 272 /etc/init.d/nfsd restart
 273 EOFOUTER
 274 chmod +x /usr/bin/archlike-pxe-mount
 275
 276 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
 277
 278
 279
 280 uset dropbear.@dropbear[0].PasswordAuth 0
 281 uset dropbear.@dropbear[0].RootPasswordAuth 0
 282 uset dropbear.@dropbear[0].Port 2220
 283 if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
 284   cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
 285   dropbear_restart=true
 286 fi
 287
 288 if $dropbear_restart; then
 289   v /etc/init.d/dropbear restart
 290 fi
 291
 292
 293 uset network.lan.ipaddr $l.$lanip
 294 uset network.lan.netmask $mask
 295 if $dev2  || $client || $ap; then
 296   if $dev2 || $ap; then
 297     uset network.lan.gateway $l.1
 298     uset network.wan.proto none
 299     uset network.wan6.proto none
 300   fi
 301   /etc/init.d/dnsmasq stop
 302   /etc/init.d/dnsmasq disable
 303   /etc/init.d/odhcpd stop
 304   /etc/init.d/odhcpd disable
 305   rm -f /etc/resolv.conf
 306   if $ap; then
 307     cat >/etc/resolv.conf <<EOF
 308 nameserver $l.1
 309 EOF
 310   else
 311     cat >/etc/resolv.conf <<'EOF'
 312 nameserver 8.8.8.8
 313 nameserver 8.8.4.4
 314 EOF
 315   fi
 316
 317   # things i tried to keep dnsmasq running but not enabled except local dns,
 318   # but it didnt work right and i dont need it anyways.
 319   # uset dhcp.wan.ignore $dev2 # default is false
 320   # uset dhcp.lan.ignore $dev2 # default is false
 321   # uset dhcp.@dnsmasq[0].interface lo
 322   # uset dhcp.@dnsmasq[0].localuse 0
 323   # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
 324   # uset dhcp.@dnsmasq[0].noresolv 1
 325   # todo: populate /etc/resolv.conf with a static value
 326
 327 else
 328   # these are the defaults
 329
 330   # this is not needed unless switching from the above condition.
 331   # disabling just to debug
 332   #uset network.lan.gateway ''
 333
 334   uset network.wan.proto dhcp
 335   uset network.wan6.proto dhcpv6
 336   /etc/init.d/dnsmasq start
 337   # todo: figure out why this returns 1
 338   /etc/init.d/dnsmasq enable ||:
 339   /etc/init.d/odhcpd start
 340   /etc/init.d/odhcpd enable
 341 fi
 342
 343 wireless_restart=false
 344
 345 if $client; then
 346   uset wireless.default_radio0.network 'wwan'
 347   uset wireless.default_radio0.ssid ${rclientssid[$h]}
 348   uset wireless.default_radio0.encryption 'psk2'
 349   uset wireless.default_radio0.device 'radio0'
 350   uset wireless.default_radio0.mode 'sta'
 351   uset wireless.default_radio0.bssid ${rclientbssid[$h]}
 352   # todo: look into whether 5g network is available.
 353   uset wireless.default_radio0.key ${rclientkey[$h]}
 354   uset wireless.radio0.disabled false
 355   uset wireless.radio1.disabled true
 356 else
 357   # defaults, just reseting in case client config ran
 358   uset wireless.default_radio0.network lan
 359   uset wireless.default_radio0.mode ap
 360   for x in 0 1; do
 361     uset wireless.default_radio$x.ssid "$ssid"
 362     uset wireless.default_radio$x.key $key
 363     uset wireless.default_radio$x.encryption psk2
 364     if [[ $mac ]]; then
 365       uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
 366     fi
 367     # disable/enable. secondary device has wireless disabled
 368     uset wireless.radio$x.disabled $dev2
 369   done
 370 fi
 371
 372 if grep '^OPENWRT_BOARD="mvebu/cortexa9"' /etc/os-release &>/dev/null; then
 373   # todo, I also enabled irqbalance, didnt script it though
 374   # https://forum.openwrt.org/t/wrt1900acs-wifi-issue-after-upgrade-from-19-07-to-21-02-vacuum-cleaner-legacy-rate-support/113311/28
 375   cat >/etc/rc.local <<'EOF'
 376 echo "0" >> /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu
 377 echo "0" >> /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
 378 exit 0
 379 EOF
 380   chmod +x /etc/rc.local
 381   /etc/rc.local
 382   uset wireless.radio0.disassoc_low_ack 0
 383   uset wireless.radio1.disassoc_low_ack 0
 384 fi
 385
 386
 387 # found with https://openwrt.org/docs/guide-user/network/wifi/iwchan.
 388 # However, the default also chooses 11, and better to let it choose in case things change.
 389 # case $HOSTNAME in
 390 #   cmc)
 391 #     uset wireless.radio0.channel 11
 392 #     ;;
 393 # esac
 394
 395
 396 # usb, screen, relay are for libremanage
 397 # rsync is for brc
 398 #
 399 # relay package temporarily disabled
 400 # /root/relay_1.0-1_mips_24kc.ipk
 401 #
 402 # note: prometheus-node-exporter-lua-openwrt seems to be a dependency of
 403 # prometheus-node-exporter-lua in practice.
 404
 405 pkgs=(
 406   tcpdump
 407   screen
 408   rsync
 409   kmod-usb-storage
 410   block-mount
 411   kmod-fs-ext4
 412   prometheus-node-exporter-lua-openwrt
 413   prometheus-node-exporter-lua
 414 )
 415
 416 if ! $ap; then
 417   pkgs+=(
 418     unbound-daemon
 419     unbound-checkconf
 420   )
 421 fi
 422
 423 v pi "${pkgs[@]}"
 424 # nfs-kernel-server \
 425   #   openvpn-openssl adblock libusb-compat \
 426   #   kmod-usb-serial-cp210x kmod-usb-serial-ftdi \
 427
 428
 429 cat >/etc/libremanage.conf <<EOF
 430 ${libremanage_host}_type=switch
 431 ${libremanage_host}_channel=1
 432 EOF
 433
 434
 435
 436 v /etc/init.d/fstab enable ||:
 437
 438 # rebooting makes mounting work, but comparing lsmod,
 439 # i'm guessing this will too. todo, test it.
 440 # 255 == module already loaded
 441 for mod in scsi_mod sd_mod; do v modprobe $mod || [[ $? == 255 ]]; done
 442
 443 # for archlike pxe. The default settings in the installer expect to find
 444 # the NFS at one of these dirs
 445 mkdir -p /run/archiso/bootmnt
 446 mkdir -p /run/parabolaiso/bootmnt
 447
 448 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
 449 # that is the case after running this or rebooting.
 450 # wiki says safe to do in case of fstab changes:
 451
 452 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
 453 # echo | cedit /etc/config/fstab ||:
 454 cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
 455 config global automount
 456       option from_fstab 1
 457       option anon_mount 1
 458
 459 config mount
 460 # /overlay is an / overlay mount for installing extra packages, etc.
 461 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
 462       option target     /mnt/usb
 463 #      option target    /overlay
 464       option device     /dev/sda1
 465       option fstype     ext4
 466       option options    rw,async,noatime,nodiratime
 467       option enabled    0
 468 EOF
 469
 470
 471 # ian: disabled because afaik I don't need it, no benefit.
 472 # config global autoswap
 473 #       option from_fstab 1
 474 #       option anon_swap 1
 475
 476 # config swap
 477 #       option device   /dev/sda1
 478 #       option enabled  1
 479
 480
 481
 482
 483 # exportfs -ra wont cut it when its the same path, but now a bind mount
 484 # todo: restart nfs when nfs is enabled?
 485 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
 486 cedit /etc/exports <<EOF ||:
 487 /mnt/usb  $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 488 # for arch pxe
 489 /run/archiso/bootmnt    $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 490 /run/parabolaiso/bootmnt        $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 491 EOF
 492
 493
 494 # todo: enable nfs when we need it only.
 495 # v /etc/init.d/portmap start
 496 # v /etc/init.d/nfsd start
 497 # v /etc/init.d/portmap enable
 498 # v /etc/init.d/nfsd enable
 499
 500
 501 cedit /etc/config/prometheus-node-exporter-lua <<'EOF' || /etc/init.d/prometheus-node-exporter-lua restart
 502 config prometheus-node-exporter-lua 'main'
 503         option listen_ipv6 '0'
 504         option listen_interface 'lan'
 505         option listen_port '9100
 506 EOF
 507
 508 # default, as of this writing is:
 509 # config prometheus-node-exporter-lua 'main'
 510 #       option listen_interface 'loopback'
 511 #       option listen_port '9100'
 512
 513
 514
 515
 516
 517 ########## openvpn exampl
 518 ########## missing firewall settings for routing lan
 519 ########## traffic
 520 # v /etc/init.d/openvpn start
 521 # v /etc/init.d/openvpn enable
 522
 523 # # from https://wiki.openwrt.org/doc/uci/firewall
 524 # # todo: not sure if /etc/init.d/network needs restarting.
 525 # # I did, and I had to restart the vpn afterwards.
 526 # # This maps a uci interface to a real interface which is
 527 # # managed outside of uci.
 528 # cedit /etc/config/network <<'EOF' ||:
 529 # config interface 'tun0'
 530 #         option ifname 'tun0'
 531 #         option proto 'none'
 532 # EOF
 533 # cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
 534 # config openvpn my_client_config
 535 #         option enabled 1
 536 #         option config /etc/openvpn/client.conf
 537 # EOF
 538
 539 wgip4=10.3.0.1/24
 540 wgip6=fdfd::1/64
 541 wgport=26000
 542
 543 network_restart=false
 544 if $client; then
 545   cedit wific /etc/config/network <<EOF || network_restart=true
 546 # https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
 547 config interface 'wwan'
 548  option proto 'dhcp'
 549 EOF
 550 fi
 551
 552 cedit /etc/config/network <<EOF || network_restart=true
 553 config 'route' 'transmission'
 554  option 'interface' 'lan'
 555  option 'target' '10.174.0.0'
 556  option 'netmask' '255.255.0.0'
 557  option 'gateway' '$l.2'
 558
 559 option interface 'wg0'
 560  option proto 'wireguard'
 561  option private_key '$(cat /root/wg.key)'
 562  option listen_port $wgport
 563  list addresses '10.3.0.1/24'
 564  list addresses 'fdfd::1/64'
 565
 566 # tp
 567 config wireguard_wg0 'wgclient'
 568  option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
 569  option preshared_key '$(cat /root/wg.psk)'
 570  list allowed_ips '10.3.0.2/24'
 571  list allowed_ips 'fdfd::2/64'
 572 EOF
 573
 574 # Need to reload before we change dnsmasq to give out
 575 # static ips in our new range.
 576 if $network_restart; then
 577   v /etc/init.d/network reload
 578 fi
 579
 580 firewall-cedit() {
 581
 582   if $client; then
 583     cedit wific /etc/config/firewall <<EOF
 584 config zone
 585  option name    wwan
 586  option input    REJECT
 587  option output   ACCEPT
 588  option forward  REJECT
 589  option masq     1
 590  option mtu_fix  1
 591  option network  wwan
 592 EOF
 593   fi
 594
 595   case $hostname in
 596     wrt)
 597       cedit host /etc/config/firewall <<EOF
 598 config redirect
 599  option name ssh
 600  option src              wan
 601  option src_dport        22
 602  option dest_ip          $l.3
 603  option dest             lan
 604 EOF
 605       ;;
 606     cmc)
 607       cedit host /etc/config/firewall <<EOF
 608 config redirect
 609  option name ssh
 610  option src              wan
 611  option src_dport        22
 612  option dest_ip          $l.2
 613  option dest             lan
 614 EOF
 615       ;;
 616   esac
 617
 618
 619   cedit /etc/config/firewall <<EOF
 620 ## begin no external dns for ziva
 621 config rule
 622  option src  lan
 623  option src_ip   10.2.0.23
 624  option dest_port 53
 625  option dest  wan
 626  option target REJECT
 627
 628
 629 config rule
 630  option src wan
 631  option dest_ip   10.2.0.23
 632  option src_port 53
 633  option dest  lan
 634  option target REJECT
 635
 636
 637 config rule
 638  option src  lan
 639  option src_ip   10.2.0.31
 640  option dest_port 53
 641  option dest  wan
 642  option target REJECT
 643
 644
 645 config rule
 646  option src wan
 647  option dest_ip   10.2.0.31
 648  option src_port 53
 649  option dest  lan
 650  option target REJECT
 651
 652
 653 config rule
 654  option src  lan
 655  option src_ip   10.2.0.32
 656  option dest_port 53
 657  option dest  wan
 658  option target REJECT
 659
 660
 661 config rule
 662  option src wan
 663  option dest_ip   10.2.0.32
 664  option src_port 53
 665  option dest  lan
 666  option target REJECT
 667 ## end no external dns for ziva
 668
 669
 670 config rule
 671  option src              wan
 672  option target           ACCEPT
 673  option dest_port        22
 674
 675 config redirect
 676  option name promkd
 677  option src              wan
 678  option src_dport        9091
 679  option dest_port        9091
 680  option dest_ip          $l.2
 681  option dest             lan
 682 config rule
 683  option src              wan
 684  option target           ACCEPT
 685  option dest_port        9091
 686
 687 config redirect
 688  option name sshkd
 689  option src              wan
 690  option src_dport        2202
 691  option dest_port        22
 692  option dest_ip          $l.2
 693  option dest             lan
 694 config rule
 695  option src              wan
 696  option target           ACCEPT
 697  option dest_port        2202
 698
 699 # was working on an openvpn server, didn't finish
 700 # config redirect
 701 #  option name vpnkd
 702 #  option src              wan
 703 #  option src_dport        1196
 704 #  option dest_port        1196
 705 #  option dest_ip          $l.2
 706 #  option dest             lan
 707 # config rule
 708 #  option src              wan
 709 #  option target           ACCEPT
 710 #  option dest_port        1196
 711
 712
 713 config redirect
 714  option name sshkdalt
 715  option src              wan
 716  option src_dport        8989
 717  option dest_port        8989
 718  option dest_ip          $l.2
 719  option dest             lan
 720 config rule
 721  option src              wan
 722  option target           ACCEPT
 723  option dest_port        8989
 724
 725
 726 config redirect
 727  option name sshx2
 728  option src              wan
 729  option src_dport        2205
 730  option dest_port        22
 731  option dest_ip          $l.5
 732  option dest             lan
 733 config rule
 734  option src              wan
 735  option target           ACCEPT
 736  option dest_port        2205
 737
 738 config redirect
 739  option name sshx3
 740  option src              wan
 741  option src_dport        2207
 742  option dest_port        22
 743  option dest_ip          $l.7
 744  option dest             lan
 745 config rule
 746  option src              wan
 747  option target           ACCEPT
 748  option dest_port        2207
 749
 750 config redirect
 751  option name sshbb8
 752  option src              wan
 753  option src_dport        2209
 754  option dest_port        22
 755  option dest_ip          $l.32
 756  option dest             lan
 757 config rule
 758  option src              wan
 759  option target           ACCEPT
 760  option dest_port        2209
 761
 762
 763 config redirect
 764  option name sshfrodo
 765  option src              wan
 766  option src_dport        2234
 767  option dest_port        34
 768  option dest_ip          $l.34
 769  option dest             lan
 770 config rule
 771  option src              wan
 772  option target           ACCEPT
 773  option dest_port        2234
 774
 775
 776 config redirect
 777  option name icecast
 778  option src              wan
 779  option src_dport        8000
 780  option dest_port        8000
 781  option dest_ip          $l.2
 782  option dest             lan
 783 config rule
 784  option src              wan
 785  option target           ACCEPT
 786  option dest_port        8000
 787
 788 config rule
 789  option name sshcmc
 790  option src              wan
 791  option target           ACCEPT
 792  option dest_port        2220
 793
 794 config rule
 795  option name wg
 796  option src              wan
 797  option target           ACCEPT
 798  option dest_port        $wgport
 799  option proto            udp
 800
 801 config redirect
 802  option name navidromehttps
 803  option src              wan
 804  option src_dport        4500
 805  option dest_port        4500
 806  option dest_ip          $l.2
 807  option dest             lan
 808 config rule
 809  option src              wan
 810  option target           ACCEPT
 811  option dest_port        4500
 812
 813 config redirect
 814  option name navidrome
 815  option src              wan
 816  option src_dport        4533
 817  option dest_port        4533
 818  option dest_ip          $l.2
 819  option dest             lan
 820 config rule
 821  option src              wan
 822  option target           ACCEPT
 823  option dest_port        4533
 824
 825 # So a client can just have i.b8.nz dns even when they
 826 # are on the lan.
 827 #config redirect
 828 # option name navidromelan
 829 # option src              lan
 830 # option src_dport        4533
 831 # option dest_port        4533
 832 # option dest_ip          $l.2
 833 # option dest             lan
 834
 835
 836 # config redirect
 837 #  option name icecast
 838 #  option src              wan
 839 #  option src_dport        8000
 840 #  option dest_port        8000
 841 #  option dest_ip          $l.2
 842 #  option dest             lan
 843 # config rule
 844 #  option src              wan
 845 #  option target           ACCEPT
 846 #  option dest_port        8000
 847
 848 config redirect
 849  option name http
 850  option src              wan
 851  option src_dport        80
 852  option dest             lan
 853  option dest_ip          $l.7
 854  option proto            tcp
 855 config rule
 856  option src              wan
 857  option target           ACCEPT
 858  option dest_port        80
 859  option proto            tcp
 860
 861 config redirect
 862  option name https
 863  option src              wan
 864  option src_dport        443
 865  option dest             lan
 866  option dest_ip          $l.7
 867  option proto            tcp
 868 config rule
 869  option src              wan
 870  option target           ACCEPT
 871  option dest_port        443
 872  option proto            tcp
 873
 874 # config redirect
 875 # option name httpskd8448
 876 #  option src              wan
 877 #  option src_dport        8448
 878 #  option dest             lan
 879 #  option dest_ip          $l.2
 880 #  option proto            tcp
 881 # config rule
 882 #  option src              wan
 883 #  option target           ACCEPT
 884 #  option dest_port        8448
 885 #  option proto            tcp
 886
 887 config redirect
 888  option name syncthing
 889  option src              wan
 890  option src_dport        22001
 891  option dest_ip          $l.8
 892  option dest             lan
 893 config rule
 894  option src              wan
 895  option target           ACCEPT
 896  option dest_port        22001
 897
 898
 899 #config redirect
 900 # option name i2p
 901 # option src              wan
 902 # option src_dport        $i2pport
 903 # option dest_ip          $l.178
 904 # option dest             lan
 905 #config rule
 906 # option src              wan
 907 # option target           ACCEPT
 908 # option dest_port        $i2pport
 909
 910 config rule
 911  option name ssh-ipv6
 912  option src wan
 913  option dest lan
 914  # note, using mac transform, we could allow all traffic to a host like this,
 915  # replacing 1 as appropriate
 916  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 917  option dest_port 22
 918  option target ACCEPT
 919  option family ipv6
 920
 921 # config rule
 922 #  option name http-ipv6
 923 #  option src wan
 924 #  option dest lan
 925 #  option dest_port 80
 926 #  option target ACCEPT
 927 #  option family ipv6
 928
 929 # config rule
 930 #  option name https-ipv6
 931 #  option src wan
 932 #  option dest lan
 933 #  option dest_port 443
 934 #  option target ACCEPT
 935 #  option family ipv6
 936
 937 config rule
 938  option name node-exporter
 939  option src wan
 940  option dest lan
 941  option dest_port 9101
 942  option target ACCEPT
 943  option family ipv6
 944
 945 config rule
 946  option name mail587-ipv6
 947  option src wan
 948  option dest lan
 949  option dest_port 587
 950  option target ACCEPT
 951  option family ipv6
 952
 953 EOF
 954 }
 955 firewall-cedit || firewall_restart=true
 956
 957 # firewall comment:
 958 # not using and in newer wrt, fails, probably due to nonexistent file, error output
 959 # on:
 960
 961 # Reference error: left-hand side expression is not an array or object
 962 # In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
 963 #   called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
 964 #   called from function foreach ([C])
 965 #   called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
 966 #   called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
 967 #   called from anonymous function (/usr/share/firewall4/main.uc:143:29)
 968 #
 969 #  `        if (!inc.enabled) {`
 970 #   Near here -------^
 971 #
 972 #
 973 # The rendered ruleset contains errors, not doing firewall restart.
 974 # /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
 975
 976 ## include a file with users custom iptables rules
 977 #config include
 978 #       option path /etc/firewall.user
 979 #       option type 'restore'
 980 #       option family 'ipv4'
 981
 982
 983
 984 # not using wireguard for now
 985 # if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
 986 #   # cant mix cedit plus uci
 987 #   echo | cedit /etc/config/firewall ||:
 988 #   uci add_list firewall.@zone[1].network=wg0
 989 #   uci commit firewall
 990 #   firewall-cedit ||:
 991 #   firewall_restart=true
 992 # fi
 993
 994
 995
 996 cedit /etc/hosts <<EOF ||:
 997 127.0.1.1 $hostname
 998 EOF
 999
1000
1001 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
1002 # if [[ $mail_host ]]; then
1003 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
1004 # fi
1005
1006
1007 uset dhcp.@dnsmasq[0].domain b8.nz
1008 uset system.@system[0].hostname $hostname
1009 uset dhcp.@dnsmasq[0].local
1010
1011 # uci doesnt seem to have a way to set an empty value,
1012 # if you delete it, it goes back to the default. this seems
1013 # to be a decent workaround.
1014 # todo: setup /etc/resolv.conf to point to 127.0.0.1
1015 # later note: disabled, I dunno why I set this.
1016 # uset dhcp.@dnsmasq[0].resolvfile /dev/null
1017
1018 # if dnsmasq happens to not send out a dns server,
1019 # odhcpd will send one out like this:
1020 # NetworkManager[953]: <info>  [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers   => 'fd58:5801:8e02::1'
1021 # but i dont want ipv6 dns, just keep it simple to ipv4.
1022 # I know my isp doesnt have ipv6 right now,
1023 # so just stop this thing.
1024 # note: tried this, it didn't do anything:
1025 # uset dhcp.@odhcpd[0].dns 10.2.0.1
1026
1027 # iank, disablde while debugging.
1028 #/etc/init.d/odhcpd stop
1029 #/etc/init.d/odhcpd disable
1030
1031 # todo: make the above conditional on which server this is.
1032
1033 ## left commented in case we have ipv6 problems in the future
1034 # avoid errors in log. current isp doesnt have ipv6
1035 #uset unbound.@unbound[0].protocol ip4_only
1036
1037 # todo: im not sure all these are needed, but they all look
1038 # like good options.
1039 # https://blog.cloudflare.com/dns-over-tls-for-openwrt/
1040 # https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
1041 #https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
1042 #
1043 # # i found that the zone example was having no effect on the config
1044 # # here:
1045 # https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
1046 #
1047 # # todo: unbound-control, i'm not sure what the purpose of that thing is, some
1048 # # kind of coordination with dhcp of dnsmasq, but what?
1049 #
1050 # note: for debugging, edit /etc/init.d/unbound, change
1051 # procd_set_param command $PROG -d -c $UB_TOTAL_CONF
1052 # to:
1053 # procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
1054
1055 if ! $ap; then
1056   {
1057     cat <<'EOF'
1058 do-tcp: yes
1059 prefetch: yes
1060 qname-minimisation: yes
1061 rrset-roundrobin: yes
1062 use-caps-for-id: yes
1063 do-ip6: no
1064 private-domain: b8.nz
1065 local-zone: "10.in-addr.arpa." transparent
1066 access-control-view: 10.2.0.31/32 "youtube"
1067 EOF
1068
1069     if $zblock; then
1070       cat <<'EOF'
1071 # no sy until that dongle is used by ziva
1072
1073 # syw
1074 #access-control-view: 10.2.0.7/32 "youtube"
1075 # bow
1076 access-control-view: 10.2.0.29/32 "youtube"
1077 # samsungtab
1078 access-control-view: 10.2.0.32/32 "youtube"
1079 EOF
1080     fi
1081   } | cedit /etc/unbound/unbound_srv.conf  || unbound_restart=true
1082
1083
1084   # dns based blocking vs ip based. with ip, same
1085   # server can have multiple domains. in dns,
1086   # you have to make sure clients to use the local dns.
1087   # https dns will need to be blocked by ip in
1088   # order to be comprehensive
1089
1090
1091   cedit /etc/unbound/unbound_ext.conf <<EOF || unbound_restart=true
1092
1093 $(. /root/ptr-data)
1094
1095 local-data-ptr: "10.2.0.1 cmc.b8.nz"
1096
1097 local-data-ptr: "10.174.2.2 transmission.b8.nz"
1098 local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
1099 local-data-ptr: "10.173.8.2 nn.b8.nz"
1100
1101 forward-zone:
1102   name: "."
1103 #  forward-addr: 8.8.8.8
1104 #  forward-addr: 8.8.8.8
1105
1106 # ssl disabled due to this error:
1107 #Sat Dec 24 03:34:44 2022 daemon.err unbound: [6568:0] error: ssl handshake failed crypto error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
1108 #Sat Dec 24 03:34:44 2022 daemon.notice unbound: [6568:0] notice: ssl handshake failed 1.0.0.3 port 853
1109 # on OPENWRT_RELEASE="OpenWrt SNAPSHOT r18639-f5865452ac"
1110 # from about feb 2022
1111
1112 # https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
1113 #  forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
1114 #  forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
1115 #  forward-ssl-upstream: yes
1116   forward-first: no
1117   forward-addr: 1.1.1.3
1118   forward-addr: 1.0.0.3
1119
1120 view:
1121   name: "youtube"
1122   local-zone: "googlevideo.com." refuse
1123   local-zone: "video.google.com." refuse
1124   local-zone: "youtu.be." refuse
1125   local-zone: "youtube-nocookie.com." refuse
1126   local-zone: "youtube-ui.l.google.com." refuse
1127   local-zone: "youtube.com." refuse
1128   local-zone: "youtube.googleapis.com." refuse
1129   local-zone: "youtubeeducation.com." refuse
1130   local-zone: "youtubei.googleapis.com." refuse
1131   local-zone: "yt3.ggpht.com." refuse
1132   local-zone: "youtubekids.com." refuse
1133   # try global if no match in view
1134   view-first: yes
1135 EOF
1136
1137
1138   if $unbound_restart; then
1139     /etc/init.d/unbound restart
1140     if ! unbound-checkconf; then
1141       echo $0: error: unbound-checkconf failed >&2
1142       exit 1
1143     fi
1144   fi
1145 fi # end if $ap
1146
1147 # # disabled for now. i want to selectively enable it
1148 # # for specific hosts.
1149 # if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
1150 #   v uci set adblock.global.adb_enabled=0
1151 #   uci commit adblock
1152 #   /etc/init.d/adblock restart
1153 # fi
1154 # # https://github.com/openwrt/packages/tree/master/net/adblock/files
1155 # cat >/etc/crontabs/root <<'EOF'
1156 # 0 06 * * *    /etc/init.d/adblock reload
1157 # EOF
1158
1159
1160 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
1161
1162 # sometimes /mnt/usb fails, cuz it's just a flash drive,
1163 # so make sure we have this dir or else dnsmasq will fail
1164 # to start.
1165 mkdir -p /mnt/usb/tftpboot
1166 cedit /etc/dnsmasq.conf  <<EOF || dnsmasq_restart=true
1167
1168 # no dns
1169 port=0
1170 server=/b8.nz/#
1171 ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
1172
1173 # generated with host-info-update
1174 $(. /root/dnsmasq-data)
1175
1176 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
1177 stop-dns-rebind
1178 rebind-domain-ok=b8.nz
1179
1180 # This says the ip of dns server.
1181 # It is default if dnsmasq is doing dns, otherwise, we have to specify it.
1182 # To see it in action, I ran this from a client machine:
1183 # sudo dhcpcd -o domain_name_servers -T
1184 dhcp-option=option:dns-server,$l.1
1185
1186 # use this when doing fai to get the right timezone, its nfsroot is
1187 # setup to use this dhcp option only and call ntpdate.
1188 # generate ips with:
1189 # 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
1190 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
1191
1192
1193 # results from googling around dnsmasq optimizations
1194 # about 50k in memory. router has 62 megs.
1195 # in a browsing session, I probably won't ever do 5000 lookups
1196 # before the ttl expiration or whatever does expiration.
1197 cache-size=10000
1198
1199 # ask all servers, use the one which responds first.
1200 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
1201 all-servers
1202
1203 # namebench benchmarks dns servers. google's dns was only
1204 # slightly less fast than some others, and I trust it more
1205 # to give accurate results, stay relatively fast, and
1206 # not do anythin too malicious, so just use that.
1207 # download namebench and run it like this:
1208 # 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
1209 # google
1210 server=1.1.1.3
1211 server=1.0.0.3
1212 server=2606:4700:4700::1113
1213 server=2606:4700:4700::1003
1214
1215 server=10.2.0.1
1216 # server=8.8.4.4
1217 # server=8.8.8.8
1218 # server=2001:4860:4860::8888
1219 # server=2001:4860:4860::8844
1220
1221
1222 # to fixup existin ips, on the client you can do
1223 # sudo dhclient -r; sudo dhclient <interface-name>
1224 # or on cmc,
1225 # /etc/init.d/dnsmasq stop
1226 # vi /tmp/dhcp.leases
1227 # /etc/init.d/dnsmasq start
1228
1229
1230 # default dhcp range is 100-150
1231
1232 # template
1233 # dhcp-host=,$l.,
1234
1235 # pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
1236 # access /mnt/usb/tftpboot due to ujail sandbox
1237 #enable-tftp=br-lan
1238 #tftp-root=/mnt/usb/tftpboot
1239 #tftp-root=/var/run/dnsmasq/tftpboot
1240
1241
1242 dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
1243
1244 # for debugging dhcp
1245 #log-queries=extra
1246 EOF
1247
1248
1249 if $dnsmasq_restart && ! $dev2 && ! $ap; then
1250   # todo: can our ptr records be put in /etc/hosts?
1251   # eg: user normal /etc/hosts records, and they wont be used for A resolution
1252   # due to the other settings, but will be used for ptr? then maybe
1253   # we dont have to restart dnsmasq for a dns update?
1254   #
1255   # interesing link:
1256   # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
1257   # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
1258   # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
1259   #
1260   # Also, reload of dnsmasq seems to break things, wifi
1261   # clients were not getting internet connectivity.
1262
1263   v /etc/init.d/dnsmasq restart
1264 fi
1265
1266 if $ap; then
1267   v /etc/init.d/firewall disable
1268   v /etc/init.d/firewall stop
1269 elif $firewall_restart; then
1270   v /etc/init.d/firewall restart
1271 fi
1272
1273 ## turn off luci
1274 # if already stopped, gives error we want to ignore
1275 /etc/init.d/uhttpd stop |& sed '1{/^Command failed/d}'
1276 /etc/init.d/uhttpd disable |& sed '1{/^Command failed/d}'
1277
1278 # this may just restart the network and take care of the network_restart below.
1279 if $wireless_restart; then
1280   v wifi
1281 fi
1282
1283 # todo: we should catch errors and still run this if needed
1284 if $network_restart; then
1285   reboot
1286 fi
1287
1288 v exit 0