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 $(. /root/cmc-firewall-data)
 670
 671 config rule
 672  option src              wan
 673  option target           ACCEPT
 674  option dest_port        22
 675
 676 config redirect
 677  option name promkd
 678  option src              wan
 679  option src_dport        9091
 680  option dest_port        9091
 681  option dest_ip          $l.2
 682  option dest             lan
 683 config rule
 684  option src              wan
 685  option target           ACCEPT
 686  option dest_port        9091
 687
 688 # was working on an openvpn server, didn't finish
 689 # config redirect
 690 #  option name vpnkd
 691 #  option src              wan
 692 #  option src_dport        1196
 693 #  option dest_port        1196
 694 #  option dest_ip          $l.2
 695 #  option dest             lan
 696 # config rule
 697 #  option src              wan
 698 #  option target           ACCEPT
 699 #  option dest_port        1196
 700
 701
 702 config redirect
 703  option name sshkdalt
 704  option src              wan
 705  option src_dport        8989
 706  option dest_port        8989
 707  option dest_ip          $l.2
 708  option dest             lan
 709 config rule
 710  option src              wan
 711  option target           ACCEPT
 712  option dest_port        8989
 713
 714
 715
 716 config redirect
 717  option name icecast
 718  option src              wan
 719  option src_dport        8000
 720  option dest_port        8000
 721  option dest_ip          $l.2
 722  option dest             lan
 723 config rule
 724  option src              wan
 725  option target           ACCEPT
 726  option dest_port        8000
 727
 728 config rule
 729  option name sshcmc
 730  option src              wan
 731  option target           ACCEPT
 732  option dest_port        2220
 733
 734 config rule
 735  option name wg
 736  option src              wan
 737  option target           ACCEPT
 738  option dest_port        $wgport
 739  option proto            udp
 740
 741 config redirect
 742  option name navidromehttps
 743  option src              wan
 744  option src_dport        4500
 745  option dest_port        4500
 746  option dest_ip          $l.2
 747  option dest             lan
 748 config rule
 749  option src              wan
 750  option target           ACCEPT
 751  option dest_port        4500
 752
 753 config redirect
 754  option name navidrome
 755  option src              wan
 756  option src_dport        4533
 757  option dest_port        4533
 758  option dest_ip          $l.2
 759  option dest             lan
 760 config rule
 761  option src              wan
 762  option target           ACCEPT
 763  option dest_port        4533
 764
 765 # So a client can just have b8.nz dns even when they
 766 # are on the lan.
 767 #config redirect
 768 # option name navidromelan
 769 # option src              lan
 770 # option src_dport        4533
 771 # option dest_port        4533
 772 # option dest_ip          $l.2
 773 # option dest             lan
 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 redirect
 789  option name http
 790  option src              wan
 791  option src_dport        80
 792  option dest             lan
 793  option dest_ip          $l.7
 794  option proto            tcp
 795 config rule
 796  option src              wan
 797  option target           ACCEPT
 798  option dest_port        80
 799  option proto            tcp
 800
 801 config redirect
 802  option name https
 803  option src              wan
 804  option src_dport        443
 805  option dest             lan
 806  option dest_ip          $l.7
 807  option proto            tcp
 808 config rule
 809  option src              wan
 810  option target           ACCEPT
 811  option dest_port        443
 812  option proto            tcp
 813
 814 # config redirect
 815 # option name httpskd8448
 816 #  option src              wan
 817 #  option src_dport        8448
 818 #  option dest             lan
 819 #  option dest_ip          $l.2
 820 #  option proto            tcp
 821 # config rule
 822 #  option src              wan
 823 #  option target           ACCEPT
 824 #  option dest_port        8448
 825 #  option proto            tcp
 826
 827 config redirect
 828  option name syncthing
 829  option src              wan
 830  option src_dport        22001
 831  option dest_ip          $l.8
 832  option dest             lan
 833 config rule
 834  option src              wan
 835  option target           ACCEPT
 836  option dest_port        22001
 837
 838
 839 #config redirect
 840 # option name i2p
 841 # option src              wan
 842 # option src_dport        $i2pport
 843 # option dest_ip          $l.178
 844 # option dest             lan
 845 #config rule
 846 # option src              wan
 847 # option target           ACCEPT
 848 # option dest_port        $i2pport
 849
 850 config rule
 851  option name ssh-ipv6
 852  option src wan
 853  option dest lan
 854  # note, using mac transform, we could allow all traffic to a host like this,
 855  # replacing 1 as appropriate
 856  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 857  option dest_port 22
 858  option target ACCEPT
 859  option family ipv6
 860
 861 # config rule
 862 #  option name http-ipv6
 863 #  option src wan
 864 #  option dest lan
 865 #  option dest_port 80
 866 #  option target ACCEPT
 867 #  option family ipv6
 868
 869 # config rule
 870 #  option name https-ipv6
 871 #  option src wan
 872 #  option dest lan
 873 #  option dest_port 443
 874 #  option target ACCEPT
 875 #  option family ipv6
 876
 877 config rule
 878  option name node-exporter
 879  option src wan
 880  option dest lan
 881  option dest_port 9101
 882  option target ACCEPT
 883  option family ipv6
 884
 885 config rule
 886  option name mail587-ipv6
 887  option src wan
 888  option dest lan
 889  option dest_port 587
 890  option target ACCEPT
 891  option family ipv6
 892
 893 EOF
 894 }
 895 firewall-cedit || firewall_restart=true
 896
 897 # firewall comment:
 898 # not using and in newer wrt, fails, probably due to nonexistent file, error output
 899 # on:
 900
 901 # Reference error: left-hand side expression is not an array or object
 902 # In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
 903 #   called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
 904 #   called from function foreach ([C])
 905 #   called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
 906 #   called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
 907 #   called from anonymous function (/usr/share/firewall4/main.uc:143:29)
 908 #
 909 #  `        if (!inc.enabled) {`
 910 #   Near here -------^
 911 #
 912 #
 913 # The rendered ruleset contains errors, not doing firewall restart.
 914 # /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
 915
 916 ## include a file with users custom iptables rules
 917 #config include
 918 #       option path /etc/firewall.user
 919 #       option type 'restore'
 920 #       option family 'ipv4'
 921
 922
 923
 924 # not using wireguard for now
 925 # if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
 926 #   # cant mix cedit plus uci
 927 #   echo | cedit /etc/config/firewall ||:
 928 #   uci add_list firewall.@zone[1].network=wg0
 929 #   uci commit firewall
 930 #   firewall-cedit ||:
 931 #   firewall_restart=true
 932 # fi
 933
 934
 935
 936 cedit /etc/hosts <<EOF ||:
 937 127.0.1.1 $hostname
 938 EOF
 939
 940
 941 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
 942 # if [[ $mail_host ]]; then
 943 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
 944 # fi
 945
 946
 947 uset dhcp.@dnsmasq[0].domain b8.nz
 948 uset system.@system[0].hostname $hostname
 949 uset dhcp.@dnsmasq[0].local
 950
 951 # uci doesnt seem to have a way to set an empty value,
 952 # if you delete it, it goes back to the default. this seems
 953 # to be a decent workaround.
 954 # todo: setup /etc/resolv.conf to point to 127.0.0.1
 955 # later note: disabled, I dunno why I set this.
 956 # uset dhcp.@dnsmasq[0].resolvfile /dev/null
 957
 958 # if dnsmasq happens to not send out a dns server,
 959 # odhcpd will send one out like this:
 960 # NetworkManager[953]: <info>  [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers   => 'fd58:5801:8e02::1'
 961 # but i dont want ipv6 dns, just keep it simple to ipv4.
 962 # I know my isp doesnt have ipv6 right now,
 963 # so just stop this thing.
 964 # note: tried this, it didn't do anything:
 965 # uset dhcp.@odhcpd[0].dns 10.2.0.1
 966
 967 # iank, disablde while debugging.
 968 #/etc/init.d/odhcpd stop
 969 #/etc/init.d/odhcpd disable
 970
 971 # todo: make the above conditional on which server this is.
 972
 973 ## left commented in case we have ipv6 problems in the future
 974 # avoid errors in log. current isp doesnt have ipv6
 975 #uset unbound.@unbound[0].protocol ip4_only
 976
 977 # todo: im not sure all these are needed, but they all look
 978 # like good options.
 979 # https://blog.cloudflare.com/dns-over-tls-for-openwrt/
 980 # https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
 981 #https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
 982 #
 983 # # i found that the zone example was having no effect on the config
 984 # # here:
 985 # https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
 986 #
 987 # # todo: unbound-control, i'm not sure what the purpose of that thing is, some
 988 # # kind of coordination with dhcp of dnsmasq, but what?
 989 #
 990 # note: for debugging, edit /etc/init.d/unbound, change
 991 # procd_set_param command $PROG -d -c $UB_TOTAL_CONF
 992 # to:
 993 # procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
 994
 995 if ! $ap; then
 996   {
 997     cat <<'EOF'
 998 do-tcp: yes
 999 prefetch: yes
1000 qname-minimisation: yes
1001 rrset-roundrobin: yes
1002 use-caps-for-id: yes
1003 do-ip6: no
1004 private-domain: b8.nz
1005 local-zone: "10.in-addr.arpa." transparent
1006 access-control-view: 10.2.0.31/32 "youtube"
1007 EOF
1008
1009     if $zblock; then
1010       cat <<'EOF'
1011 # no sy until that dongle is used by ziva
1012
1013 # syw
1014 #access-control-view: 10.2.0.7/32 "youtube"
1015 # bow
1016 access-control-view: 10.2.0.29/32 "youtube"
1017 # samsungtab
1018 access-control-view: 10.2.0.32/32 "youtube"
1019 EOF
1020     fi
1021   } | cedit /etc/unbound/unbound_srv.conf  || unbound_restart=true
1022
1023
1024   # dns based blocking vs ip based. with ip, same
1025   # server can have multiple domains. in dns,
1026   # you have to make sure clients to use the local dns.
1027   # https dns will need to be blocked by ip in
1028   # order to be comprehensive
1029
1030
1031   cedit /etc/unbound/unbound_ext.conf <<EOF || unbound_restart=true
1032
1033 $(. /root/ptr-data)
1034
1035 local-data-ptr: "10.2.0.1 cmc.b8.nz"
1036
1037 local-data-ptr: "10.174.2.2 transmission.b8.nz"
1038 local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
1039 local-data-ptr: "10.173.8.2 nn.b8.nz"
1040
1041 forward-zone:
1042   name: "."
1043 #  forward-addr: 8.8.8.8
1044 #  forward-addr: 8.8.8.8
1045
1046 # ssl disabled due to this error:
1047 #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
1048 #Sat Dec 24 03:34:44 2022 daemon.notice unbound: [6568:0] notice: ssl handshake failed 1.0.0.3 port 853
1049 # on OPENWRT_RELEASE="OpenWrt SNAPSHOT r18639-f5865452ac"
1050 # from about feb 2022
1051
1052 # https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
1053 #  forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
1054 #  forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
1055 #  forward-ssl-upstream: yes
1056   forward-first: no
1057   forward-addr: 1.1.1.3
1058   forward-addr: 1.0.0.3
1059
1060 view:
1061   name: "youtube"
1062   local-zone: "googlevideo.com." refuse
1063   local-zone: "video.google.com." refuse
1064   local-zone: "youtu.be." refuse
1065   local-zone: "youtube-nocookie.com." refuse
1066   local-zone: "youtube-ui.l.google.com." refuse
1067   local-zone: "youtube.com." refuse
1068   local-zone: "youtube.googleapis.com." refuse
1069   local-zone: "youtubeeducation.com." refuse
1070   local-zone: "youtubei.googleapis.com." refuse
1071   local-zone: "yt3.ggpht.com." refuse
1072   local-zone: "youtubekids.com." refuse
1073   # try global if no match in view
1074   view-first: yes
1075 EOF
1076
1077
1078   if $unbound_restart; then
1079     /etc/init.d/unbound restart
1080     if ! unbound-checkconf; then
1081       echo $0: error: unbound-checkconf failed >&2
1082       exit 1
1083     fi
1084   fi
1085 fi # end if $ap
1086
1087 # # disabled for now. i want to selectively enable it
1088 # # for specific hosts.
1089 # if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
1090 #   v uci set adblock.global.adb_enabled=0
1091 #   uci commit adblock
1092 #   /etc/init.d/adblock restart
1093 # fi
1094 # # https://github.com/openwrt/packages/tree/master/net/adblock/files
1095 # cat >/etc/crontabs/root <<'EOF'
1096 # 0 06 * * *    /etc/init.d/adblock reload
1097 # EOF
1098
1099
1100 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
1101
1102 # sometimes /mnt/usb fails, cuz it's just a flash drive,
1103 # so make sure we have this dir or else dnsmasq will fail
1104 # to start.
1105 mkdir -p /mnt/usb/tftpboot
1106 cedit /etc/dnsmasq.conf  <<EOF || dnsmasq_restart=true
1107
1108 # no dns
1109 port=0
1110 server=/b8.nz/#
1111 ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
1112
1113 # generated with host-info-update
1114 $(. /root/dnsmasq-data)
1115
1116 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
1117 stop-dns-rebind
1118 rebind-domain-ok=b8.nz
1119
1120 # This says the ip of dns server.
1121 # It is default if dnsmasq is doing dns, otherwise, we have to specify it.
1122 # To see it in action, I ran this from a client machine:
1123 # sudo dhcpcd -o domain_name_servers -T
1124 dhcp-option=option:dns-server,$l.1
1125
1126 # use this when doing fai to get the right timezone, its nfsroot is
1127 # setup to use this dhcp option only and call ntpdate.
1128 # generate ips with:
1129 # 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
1130 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
1131
1132
1133 # results from googling around dnsmasq optimizations
1134 # about 50k in memory. router has 62 megs.
1135 # in a browsing session, I probably won't ever do 5000 lookups
1136 # before the ttl expiration or whatever does expiration.
1137 cache-size=10000
1138
1139 # ask all servers, use the one which responds first.
1140 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
1141 all-servers
1142
1143 # namebench benchmarks dns servers. google's dns was only
1144 # slightly less fast than some others, and I trust it more
1145 # to give accurate results, stay relatively fast, and
1146 # not do anythin too malicious, so just use that.
1147 # download namebench and run it like this:
1148 # 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
1149 # google
1150 server=1.1.1.3
1151 server=1.0.0.3
1152 server=2606:4700:4700::1113
1153 server=2606:4700:4700::1003
1154
1155 server=10.2.0.1
1156 # server=8.8.4.4
1157 # server=8.8.8.8
1158 # server=2001:4860:4860::8888
1159 # server=2001:4860:4860::8844
1160
1161
1162 # to fixup existin ips, on the client you can do
1163 # sudo dhclient -r; sudo dhclient <interface-name>
1164 # or on cmc,
1165 # /etc/init.d/dnsmasq stop
1166 # vi /tmp/dhcp.leases
1167 # /etc/init.d/dnsmasq start
1168
1169
1170 # default dhcp range is 100-150
1171
1172 # template
1173 # dhcp-host=,$l.,
1174
1175 # pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
1176 # access /mnt/usb/tftpboot due to ujail sandbox
1177 #enable-tftp=br-lan
1178 #tftp-root=/mnt/usb/tftpboot
1179 #tftp-root=/var/run/dnsmasq/tftpboot
1180
1181
1182 dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
1183
1184 # for debugging dhcp
1185 #log-queries=extra
1186 EOF
1187
1188
1189 if $dnsmasq_restart && ! $dev2 && ! $ap; then
1190   # todo: can our ptr records be put in /etc/hosts?
1191   # eg: user normal /etc/hosts records, and they wont be used for A resolution
1192   # due to the other settings, but will be used for ptr? then maybe
1193   # we dont have to restart dnsmasq for a dns update?
1194   #
1195   # interesing link:
1196   # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
1197   # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
1198   # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
1199   #
1200   # Also, reload of dnsmasq seems to break things, wifi
1201   # clients were not getting internet connectivity.
1202
1203   v /etc/init.d/dnsmasq restart
1204 fi
1205
1206 if $ap; then
1207   v /etc/init.d/firewall disable
1208   v /etc/init.d/firewall stop
1209 elif $firewall_restart; then
1210   v /etc/init.d/firewall restart
1211 fi
1212
1213 ## turn off luci
1214 # if already stopped, gives error we want to ignore
1215 /etc/init.d/uhttpd stop |& sed '1{/^Command failed/d}'
1216 /etc/init.d/uhttpd disable |& sed '1{/^Command failed/d}'
1217
1218 # this may just restart the network and take care of the network_restart below.
1219 if $wireless_restart; then
1220   v wifi
1221 fi
1222
1223 # todo: we should catch errors and still run this if needed
1224 if $network_restart; then
1225   reboot
1226 fi
1227
1228 v exit 0