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

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; either version 2
   7 # of the License, or (at your option) any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17
  18 set -eE -o pipefail
  19 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  20
  21
  22 usage() {
  23   cat <<EOF
  24 usage: ${0##*/} [-h] [-t 2|3|test] [-m WIRELESS_MAC]
  25 setup my router in general: dhcp, dns, etc.
  26
  27 Type 2 or 3 is for setting up a backup device, there are two kinds so
  28 that you can switch the main device to a backup, then a backup to the
  29 main. Type test is for setting up a testing device.
  30
  31 Passing an empty string for WIRELESS_MAC will cause the device's native
  32 mac to be used.
  33
  34 EOF
  35
  36   exit $1
  37 }
  38
  39
  40
  41
  42 dev2=false
  43 test=false
  44 libremanage_host=wrt2
  45
  46 if [[ -e /p/router-secrets ]]; then
  47   source /p/router-secrets
  48 fi
  49 rmac=$(cat /sys/class/net/eth0/address)
  50 if [[ $rhost ]]; then
  51   hostname=${rhost[$rmac]}
  52 fi
  53 : ${hostname:=wrt}
  54
  55
  56 lanip=1
  57 while getopts hm:t: opt; do
  58   case $opt in
  59     h) usage ;;
  60     t)
  61       case $2 in
  62         2|3)
  63           dev2=true
  64           libremanage_host=$hostname
  65           ;;&
  66         2)
  67           lanip=4
  68           hostname=wrt2
  69           ;;
  70         3)
  71           lanip=14
  72           hostname=wrt3
  73           ;;
  74         test)
  75           test=true
  76           ;;
  77         *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
  78       esac
  79       ;;
  80     m)  mac=$OPTARG ;;
  81     *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
  82   esac
  83 done
  84 shift "$((OPTIND-1))"   # Discard the options and sentinel --
  85
  86 if [[ ! $mac ]] && ! $test; then
  87   # if we wanted to increment it
  88   #WIRELESSMAC=${WIRELESSMAC:0: -1}$((${WIRELESSMAC: -1} + 2))
  89   mac=$WIRELESSMAC
  90 fi
  91
  92 if (( $# != 0 )); then
  93   usage 1
  94 fi
  95
  96
  97 macpre=${mac:0: -1}
  98 macsuf=${mac: -1}
  99
 100
 101 p_updated=false
 102 pmirror() {
 103   if $p_updated; then
 104     return
 105   fi
 106   # background: upgrading all packages is not recommended because it
 107   # doesn't go into the firmware. build new firmware if you want
 108   # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
 109   f=(/var/opkg-lists/*)
 110   if ! (( $(date -r $f +%s) + 60*60*24 > $(date +%s) )); then
 111     if ! opkg update; then
 112       echo "$0: warning: opkg update failed" >&2
 113     fi
 114     p_updated=true
 115   fi
 116 }
 117
 118 pi() {
 119   to_install=()
 120   for p in "$@"; do
 121     pname=${p##*/}
 122     pname=${pname%%_*}
 123     if [[ ! $(opkg list-installed "$pname") ]]; then
 124       to_install+=($p)
 125       pmirror
 126     fi
 127   done
 128   if [[ $to_install ]]; then
 129     opkg install ${to_install[@]}
 130   fi
 131 }
 132
 133 v() {
 134   printf "+ %s\n" "$*"
 135   "$@"
 136 }
 137
 138 ######### uci example:#######
 139 # # https://wiki.openwrt.org/doc/uci
 140 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
 141 # wan="firewall.@zone[$wan_index]"
 142 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
 143 #     # default is wan
 144 #     v uci set firewall.@forwarding[0].dest=$forward_dest
 145 #     uci commit firewall
 146 #     firewall_restart=true
 147 # fi
 148 ####### end uci example #####
 149
 150 uset() {
 151   printf "+ uset %s\n" "$*"
 152   local key="$1"
 153   local val="$2"
 154   local service="${key%%.*}"
 155   restart_var=${service}_restart
 156   if [[ ! ${!restart_var} ]]; then
 157     eval $restart_var=false
 158   fi
 159   if [[ $(uci get "$key") != "$val" ]]; then
 160     v uci set "$key"="$val"
 161     uci commit $service
 162     eval $restart_var=true
 163   fi
 164 }
 165
 166 udel() {
 167   printf "+ udel %s\n" "$*"
 168   local key="$1"
 169   local val="$2"
 170   local service="${key%%.*}"
 171   restart_var=${service}_restart
 172   if [[ ! ${!restart_var} ]]; then
 173     eval $restart_var=false
 174   fi
 175   if uci get "$key" &>/dev/null; then
 176     v uci set "$key"="$val"
 177     uci commit $service
 178     eval $restart_var=true
 179   fi
 180 }
 181
 182
 183
 184 ### network config
 185 ###
 186 ssid="check out gnu.org"
 187 lan=10.0.0.0
 188 if $test; then
 189   ssid="gnuv3"
 190   lan=10.1.0.0
 191 elif [[ $hostname == cmc ]]; then
 192   ssid=Svenska
 193   lan=10.2.0.0
 194 fi
 195
 196 if [[ $rkey ]]; then
 197   key=${rkey[$rmac]}
 198 fi
 199 : ${key:=pictionary49}
 200
 201 mask=255.255.0.0
 202 cidr=16
 203 l=${lan%.0}
 204
 205 passwd -l root ||: #already locked fails
 206
 207 sed -ibak '/^root:/d' /etc/shadow
 208 # /root/router created by manually running passwd then copying the resulting
 209 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
 210 cat /root/router >>/etc/shadow
 211 # otherwise, serial console gets root login with no password
 212 uset system.@system[0].ttylogin 1
 213
 214
 215 cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
 216 #!/bin/bash
 217 # symlinks are collapsed for nfs mount points, so use a bind mount.
 218 # tried putting this in /etc/config/fstab,
 219 # then doing block mount, it didn't work. This doesn't persist across reboots,
 220 # todo: figure that out
 221 rm -f /etc/fstab
 222 for d in /run/{arch,parabola}iso/bootmnt; do
 223 cat >>/etc/fstab <<EOF
 224 /mnt/usb/tftpboot $d none bind 0 0
 225 EOF
 226 mount | grep $d &>/dev/null || mount $d
 227 done
 228 /etc/init.d/nfsd restart
 229 EOFOUTER
 230 chmod +x /usr/bin/archlike-pxe-mount
 231
 232 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
 233
 234
 235
 236 uset dropbear.@dropbear[0].PasswordAuth 0
 237 uset dropbear.@dropbear[0].RootPasswordAuth 0
 238 uset dropbear.@dropbear[0].Port 2220
 239 if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
 240   cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
 241   dropbear_restart=true
 242 fi
 243
 244 if $dropbear_restart; then
 245   v /etc/init.d/dropbear restart
 246 fi
 247
 248
 249 uset network.lan.ipaddr $l.$lanip
 250 uset network.lan.netmask $mask
 251 if $dev2; then
 252   uset network.lan.gateway $l.1
 253   uset network.wan.proto none
 254   uset network.wan6.proto none
 255   /etc/init.d/dnsmasq stop
 256   /etc/init.d/dnsmasq disable
 257   /etc/init.d/odhcpd stop
 258   /etc/init.d/odhcpd disable
 259   rm -f /etc/resolv.conf
 260   cat >/etc/resolv.conf <<'EOF'
 261 nameserver 8.8.8.8
 262 nameserver 8.8.4.4
 263 EOF
 264
 265   # things i tried to keep dnsmasq running but not enabled except local dns,
 266   # but it didnt work right and i dont need it anyways.
 267   # uset dhcp.wan.ignore $dev2 # default is false
 268   # uset dhcp.lan.ignore $dev2 # default is false
 269   # uset dhcp.@dnsmasq[0].interface lo
 270   # uset dhcp.@dnsmasq[0].localuse 0
 271   # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
 272   # uset dhcp.@dnsmasq[0].noresolv 1
 273   # todo: populate /etc/resolv.conf with a static value
 274
 275 else
 276   # these are the defaults
 277   uset network.lan.gateway ''
 278   uset network.wan.proto dhcp
 279   uset network.wan6.proto dhcpv6
 280   /etc/init.d/dnsmasq start
 281   # todo: figure out why this returns 1
 282   /etc/init.d/dnsmasq enable ||:
 283   /etc/init.d/odhcpd start
 284   /etc/init.d/odhcpd enable
 285 fi
 286
 287 wireless_restart=false
 288 for x in 0 1; do
 289   uset wireless.default_radio$x.ssid "$ssid"
 290   uset wireless.default_radio$x.key $key
 291   uset wireless.default_radio$x.encryption psk2
 292   if [[ $mac ]]; then
 293     uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
 294   fi
 295   # secondary device has wireless disabled
 296   uset wireless.radio$x.disabled $dev2
 297 done
 298
 299 if $wireless_restart; then
 300   v wifi
 301 fi
 302
 303
 304
 305 # usb, screen, relay are for libremanage
 306 # rsync is for brc
 307 v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
 308   tcpdump openvpn-openssl adblock libusb-compat /root/relay_1.0-1_mips_24kc.ipk \
 309   screen kmod-usb-serial-cp210x kmod-usb-serial-ftdi rsync
 310
 311 cat >/etc/libremanage.conf <<EOF
 312 ${libremanage_host}_type=switch
 313 ${libremanage_host}_channel=1
 314 EOF
 315
 316
 317
 318 v /etc/init.d/fstab enable ||:
 319
 320 # rebooting makes mounting work, but comparing lsmod,
 321 # i'm guessing this will too. todo, test it.
 322 # 255 == module already loaded
 323 for mod in scsi_mod sd_mod; do v modprobe $mod || [[ $? == 255 ]]; done
 324
 325 # for archlike pxe. The default settings in the installer expect to find
 326 # the NFS at one of these dirs
 327 mkdir -p /run/archiso/bootmnt
 328 mkdir -p /run/parabolaiso/bootmnt
 329
 330 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
 331 # that is the case after running this or rebooting.
 332 # wiki says safe to do in case of fstab changes:
 333
 334 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
 335 # echo | cedit /etc/config/fstab ||:
 336 v cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
 337 config global automount
 338       option from_fstab 1
 339       option anon_mount 1
 340
 341 config mount
 342 # /overlay is an / overlay mount for installing extra packages, etc.
 343 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
 344       option target     /mnt/usb
 345 #      option target    /overlay
 346       option device     /dev/sda1
 347       option fstype     ext4
 348       option options    rw,async,noatime,nodiratime
 349       option enabled    0
 350 EOF
 351
 352
 353 # ian: disabled because afaik I don't need it, no benefit.
 354 # config global autoswap
 355 #       option from_fstab 1
 356 #       option anon_swap 1
 357
 358 # config swap
 359 #       option device   /dev/sda1
 360 #       option enabled  1
 361
 362
 363
 364
 365 # exportfs -ra wont cut it when its the same path, but now a bind mount
 366 # todo: restart nfs when nfs is enabled?
 367 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
 368 cedit /etc/exports <<EOF ||:
 369 /mnt/usb  $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 370 # for arch pxe
 371 /run/archiso/bootmnt    $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 372 /run/parabolaiso/bootmnt        $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 373 EOF
 374
 375
 376 # todo: enable nfs when we need it only.
 377 # v /etc/init.d/portmap start
 378 # v /etc/init.d/nfsd start
 379 # v /etc/init.d/portmap enable
 380 # v /etc/init.d/nfsd enable
 381
 382
 383
 384
 385
 386
 387
 388
 389 ########## openvpn exampl
 390 ########## missing firewall settings for routing lan
 391 ########## traffic
 392 # v /etc/init.d/openvpn start
 393 # v /etc/init.d/openvpn enable
 394
 395 # # from https://wiki.openwrt.org/doc/uci/firewall
 396 # # todo: not sure if /etc/init.d/network needs restarting.
 397 # # I did, and I had to restart the vpn afterwards.
 398 # # This maps a uci interface to a real interface which is
 399 # # managed outside of uci.
 400 # v cedit /etc/config/network <<'EOF' ||:
 401 # config interface 'tun0'
 402 #         option ifname 'tun0'
 403 #         option proto 'none'
 404 # EOF
 405 # v cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
 406 # config openvpn my_client_config
 407 #         option enabled 1
 408 #         option config /etc/openvpn/client.conf
 409 # EOF
 410
 411
 412
 413 v cedit /etc/config/network <<EOF || v /etc/init.d/network reload
 414 config 'route' 'transmission'
 415         option 'interface' 'lan'
 416         option 'target' '10.173.0.0'
 417         option 'netmask' '255.255.0.0'
 418         option 'gateway' '$l.3'
 419 EOF
 420
 421 firewall_restart=false
 422 v cedit /etc/config/firewall <<EOF || firewall_restart=true
 423
 424 config redirect
 425  option name ssh
 426  option src              wan
 427  option src_dport        22
 428  option dest_ip          $l.2
 429  option dest             lan
 430 config rule
 431  option src              wan
 432  option target           ACCEPT
 433  option dest_port        22
 434
 435 config redirect
 436  option name sshtp
 437  option src              wan
 438  option src_dport        2202
 439  option dest_port        22
 440  option dest_ip          $l.8
 441  option dest             lan
 442 config rule
 443  option src              wan
 444  option target           ACCEPT
 445  option dest_port        2202
 446
 447 config redirect
 448  option name sshfrodo
 449  option src              wan
 450  option src_dport        2203
 451  option dest_port        22
 452  option dest_ip          $l.3
 453  option dest             lan
 454 config rule
 455  option src              wan
 456  option target           ACCEPT
 457  option dest_port        2203
 458
 459 config redirect
 460  option name sshx2
 461  option src              wan
 462  option src_dport        2205
 463  option dest_port        22
 464  option dest_ip          $l.5
 465  option dest             lan
 466 config rule
 467  option src              wan
 468  option target           ACCEPT
 469  option dest_port        2205
 470
 471 config redirect
 472  option name sshx3
 473  option src              wan
 474  option src_dport        2207
 475  option dest_port        22
 476  option dest_ip          $l.7
 477  option dest             lan
 478 config rule
 479  option src              wan
 480  option target           ACCEPT
 481  option dest_port        2207
 482
 483 config redirect
 484  option name sshtp
 485  option src              wan
 486  option src_dport        2208
 487  option dest_port        22
 488  option dest_ip          $l.8
 489  option dest             lan
 490 config rule
 491  option src              wan
 492  option target           ACCEPT
 493  option dest_port        2208
 494
 495
 496 config rule
 497  option name sshwrt
 498  option src              wan
 499  option target           ACCEPT
 500  option dest_port        2220
 501
 502
 503 config redirect
 504  option name vpntp
 505  option src              wan
 506  option src_dport        1196
 507  option dest             lan
 508  option dest_ip          $l.8
 509  option proto            udp
 510 config rule
 511  option src              wan
 512  option target           ACCEPT
 513  option dest_port        1196
 514  option proto            udp
 515
 516
 517 config redirect
 518  option name httptp
 519  option src              wan
 520  option src_dport        80
 521  option dest             lan
 522  option dest_ip          $l.8
 523  option proto            tcp
 524 config rule
 525  option src              wan
 526  option target           ACCEPT
 527  option dest_port        80
 528  option proto            tcp
 529
 530 config redirect
 531  option name httpstp
 532  option src              wan
 533  option src_dport        443
 534  option dest             lan
 535  option dest_ip          $l.8
 536  option proto            tcp
 537 config rule
 538  option src              wan
 539  option target           ACCEPT
 540  option dest_port        443
 541  option proto            tcp
 542
 543 config redirect
 544  option name syncthing
 545  option src              wan
 546  option src_dport        22001
 547  option dest_ip          $l.8
 548  option dest             lan
 549 config rule
 550  option src              wan
 551  option target           ACCEPT
 552  option dest_port        22001
 553
 554
 555 config rule
 556  option name ssh-ipv6
 557  option src wan
 558  option dest lan
 559  # note, using mac transform, we could allow all traffic to a host like this,
 560  # replacing 1 as appropriate
 561  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 562  option dest_port 22
 563  option target ACCEPT
 564  option family ipv6
 565
 566 config rule
 567  option name http-ipv6
 568  option src wan
 569  option dest lan
 570  option dest_port 80
 571  option target ACCEPT
 572  option family ipv6
 573
 574 config rule
 575  option name https-ipv6
 576  option src wan
 577  option dest lan
 578  option dest_port 443
 579  option target ACCEPT
 580  option family ipv6
 581
 582 config rule
 583  option name node-exporter
 584  option src wan
 585  option dest lan
 586  option dest_port 9101
 587  option target ACCEPT
 588  option family ipv6
 589
 590 config rule
 591  option name mail587-ipv6
 592  option src wan
 593  option dest lan
 594  option dest_port 587
 595  option target ACCEPT
 596  option family ipv6
 597
 598
 599 EOF
 600
 601
 602
 603
 604 dnsmasq_restart=false
 605 v cedit /etc/hosts <<EOF || dnsmasq_restart=true
 606 127.0.1.1 $hostname
 607 $l.1 $hostname
 608 $l.2 kd faiserver
 609 $l.3 frodo
 610 $l.4 wrt2
 611 $l.5 x2
 612 $l.6 demohost
 613 #$l.7 x3
 614 $l.8 tp b8.nz
 615 $l.9 bb8
 616 $l.14 wrt3
 617 2600:3c00::f03c:91ff:fe6d:baf8 li
 618 72.14.176.105 li
 619 2a01:7e01::f03c:91ff:feb5:baec l2
 620 172.105.84.95 l2
 621
 622 # netns creation looks for next free subnet starting at 10.173, but I only
 623 # use one, and I would keep this one as the first created.
 624 10.173.0.2 transmission
 625 EOF
 626
 627 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
 628 # if [[ $mail_host ]]; then
 629 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
 630 # fi
 631
 632
 633 uset dhcp.@dnsmasq[0].domain b8.nz
 634 uset dhcp.@dnsmasq[0].local /b8.nz/
 635 uset system.@system[0].hostname $hostname
 636
 637 if [[ $(uci get adblock.global.adb_enabled) != 1 ]]; then
 638   v uci set adblock.global.adb_enabled=1
 639   uci commit adblock
 640   /etc/init.d/adblock restart
 641 fi
 642 # https://github.com/openwrt/packages/tree/master/net/adblock/files
 643 cat >/etc/crontabs/root <<'EOF'
 644 0 06 * * *    /etc/init.d/adblock reload
 645 EOF
 646
 647
 648 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
 649
 650 # sometimes /mnt/usb fails, cuz it's just a flash drive,
 651 # so make sure we have this dir or else dnsmasq will fail
 652 # to start.
 653 mkdir -p /mnt/usb/tftpboot
 654 v cedit /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
 655 server=/dmarctest.b8.nz/#
 656 server=/_domainkey.b8.nz/#
 657 server=/_dmarc.b8.nz/#
 658 server=/ns1.b8.nz/#
 659 server=/ns2.b8.nz/#
 660 mx-host=b8.nz,mail.iankelling.org,10
 661 txt-record=b8.nz,"v=spf1 a ?all"
 662
 663
 664 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
 665 stop-dns-rebind
 666
 667 # this says the ip of default gateway and dns server,
 668 # but I think they are unneded and default
 669 #dhcp-option=3,$l.1
 670 #dhcp-option=6,$l.1
 671
 672
 673
 674 # results from googling around dnsmasq optimizations
 675 # about 50k in memory. router has 62 megs.
 676 # in a browsing session, I probably won't ever do 5000 lookups
 677 # before the ttl expiration or whatever does expiration.
 678 cache-size=10000
 679
 680 # ask all servers, use the one which responds first.
 681 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
 682 all-servers
 683
 684 # namebench benchmarks dns servers. google's dns was only
 685 # slightly less fast than some others, and I trust it more
 686 # to give accurate results, stay relatively fast, and
 687 # not do anythin too malicious, so just use that.
 688 # download namebench and run it like this:
 689 # for x in all regional isp global preferred nearby; do ./namebench.py -s \$x -c US -i firefox -m weighted -J 10 -w; echo \$x; hr;  done
 690 # google
 691 server=8.8.4.4
 692 server=8.8.8.8
 693 server=2001:4860:4860::8888
 694 server=2001:4860:4860::8844
 695
 696
 697 # to fixup existin ips, on the client you can do
 698 # sudo dhclient -r; sudo dhclient <interface-name>
 699
 700 # default dhcp range is 100-150
 701 # bottom port,  iPXE (PCI 03:00.0) in seabios boot menu
 702 dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
 703 # top port, iPXE (PCI 04:00.0) in seabios boot menu
 704 #dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
 705 dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
 706 # 4 is reserved for a staticly configured host.
 707 dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
 708 # This is so fai can have an explicit name to use for testing,
 709 # or else any random machine which did a pxe boot would get
 710 # reformatted. The mac is from doing a virt-install, cancelling it,
 711 # and copying the generated mac, so it should be randomish.
 712 dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.6,demohost
 713 dhcp-host=00:1f:16:14:01:d8,set:tp,$l.7,x3
 714 dhcp-host=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
 715
 716 # faiserver vm
 717 dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
 718
 719 # This is the ip it picks by default if dhcp fails,
 720 # so might as well use it.
 721 # hostname is the name it uses according to telnet
 722 dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
 723
 724 # template
 725 # dhcp-host=,$l.,
 726
 727 # Just leave the tftp server up even if we aren't doing pxe boot.
 728 # It has no sensitive info.
 729 enable-tftp=br-lan
 730 tftp-root=/mnt/usb/tftpboot
 731 dhcp-optsfile=/etc/dnsmasq-dhcpopts.conf
 732 EOF
 733
 734
 735
 736
 737 if $dnsmasq_restart && ! $dev2; then
 738   v /etc/init.d/dnsmasq restart
 739 fi
 740
 741 if $firewall_restart; then
 742   v /etc/init.d/firewall restart
 743 fi
 744
 745
 746 # todo: we should catch errors and still run this if needed
 747 if $network_restart; then
 748   reboot
 749 fi
 750
 751 exit 0