set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+usage() {
+ cat <<EOF
+usage: ${0##*/} [-h] [-t 2|3|test] [-m WIRELESS_MAC]
+setup my router in general: dhcp, dns, etc.
+
+Type 2 or 3 is for setting up a backup device, there are two kinds so
+that you can switch the main device to a backup, then a backup to the
+main. Type test is for setting up a testing device.
+
+Passing an empty string for WIRELESS_MAC will cause the device's native
+mac to be used.
+
+EOF
+
+ exit $1
+}
+
+
+
+
+dnsmasq_restart=false
+firewall_restart=false
dev2=false
-if [[ $1 == -2 ]]; then
- dev2=true
+test=false
+libremanage_host=wrt2
+
+secrets=false
+if [[ -e /root/router-secrets ]]; then
+ secrets=true
+ source /root/router-secrets
+fi
+rmac=$(cat /sys/class/net/eth0/address)
+if $secrets; then
+ hostname=${rhost[$rmac]}
+fi
+: ${hostname:=wrt}
+
+
+lanip=1
+while getopts hm:t: opt; do
+ case $opt in
+ h) usage ;;
+ t)
+ case $2 in
+ 2|3)
+ dev2=true
+ libremanage_host=$hostname
+ ;;&
+ 2)
+ lanip=4
+ hostname=wrt2
+ ;;
+ 3)
+ lanip=14
+ hostname=wrt3
+ ;;
+ test)
+ test=true
+ ;;
+ *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
+ esac
+ ;;
+ m) mac=$OPTARG ;;
+ *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
+ esac
+done
+shift "$((OPTIND-1))" # Discard the options and sentinel --
+
+if [[ ! $mac ]] && ! $test && $secrets; then
+ # if we wanted to increment it
+ #mac=${mac:0: -1}$((${mac: -1} + 2))
+ mac=${rwmac[$rmac]}
+fi
+
+if (( $# != 0 )); then
+ usage 1
fi
+
+macpre=${mac:0: -1}
+macsuf=${mac: -1}
+
+
+p_updated=false
pmirror() {
+ if $p_updated; then
+ return
+ fi
# background: upgrading all packages is not recommended because it
# doesn't go into the firmware. build new firmware if you want
# lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
f=(/var/opkg-lists/*)
if ! (( $(date -r $f +%s) + 60*60*24 > $(date +%s) )); then
- opkg update
+ if ! opkg update; then
+ echo "$0: warning: opkg update failed" >&2
+ fi
+ p_updated=true
fi
}
pi() {
- for x in "$@"; do
- if [[ ! $(opkg list-installed "$x") ]]; then
+ to_install=()
+ for p in "$@"; do
+ pname=${p##*/}
+ pname=${pname%%_*}
+ if [[ ! $(opkg list-installed "$pname") ]]; then
+ to_install+=($p)
pmirror
- opkg install "$@"
fi
done
+ if [[ $to_install ]]; then
+ opkg install ${to_install[@]}
+ fi
}
v() {
####### end uci example #####
uset() {
+ printf "+ uset %s\n" "$*"
local key="$1"
local val="$2"
local service="${key%%.*}"
fi
}
+udel() {
+ printf "+ udel %s\n" "$*"
+ local key="$1"
+ local val="$2"
+ local service="${key%%.*}"
+ restart_var=${service}_restart
+ if [[ ! ${!restart_var} ]]; then
+ eval $restart_var=false
+ fi
+ if uci get "$key" &>/dev/null; then
+ v uci set "$key"="$val"
+ uci commit $service
+ eval $restart_var=true
+ fi
+}
+
+
### network config
###
-ssid="check out gnu.org"
lan=10.0.0.0
-if $dev2; then
- ssid="gnuv3"
+if $test; then
lan=10.1.0.0
+elif [[ $hostname == cmc ]]; then
+ lan=10.2.0.0
+fi
+
+if $test; then
+ ssid="gnuv3"
+elif $secrets; then
+ ssid=${rssid[$rmac]}
fi
+
+: ${ssid:=librecmc}
+
+
+if $secrets; then
+ key=${rkey[$rmac]}
+fi
+: ${key:=pictionary49}
+
mask=255.255.0.0
+cidr=16
l=${lan%.0}
passwd -l root ||: #already locked fails
uset system.@system[0].ttylogin 1
+
cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
#!/bin/bash
# symlinks are collapsed for nfs mount points, so use a bind mount.
chmod +x /usr/bin/archlike-pxe-mount
sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
-v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
- tcpdump openvpn-openssl adblock libusb-compat /root/relay_1.0-1_mips_24kc.ipk
+uset dropbear.@dropbear[0].PasswordAuth 0
+uset dropbear.@dropbear[0].RootPasswordAuth 0
+uset dropbear.@dropbear[0].Port 2220
+if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
+ cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
+ dropbear_restart=true
+fi
+
+if $dropbear_restart; then
+ v /etc/init.d/dropbear restart
+fi
+
+
+uset network.lan.ipaddr $l.$lanip
+uset network.lan.netmask $mask
+if $dev2; then
+ uset network.lan.gateway $l.1
+ uset network.wan.proto none
+ uset network.wan6.proto none
+ /etc/init.d/dnsmasq stop
+ /etc/init.d/dnsmasq disable
+ /etc/init.d/odhcpd stop
+ /etc/init.d/odhcpd disable
+ rm -f /etc/resolv.conf
+ cat >/etc/resolv.conf <<'EOF'
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+
+ # things i tried to keep dnsmasq running but not enabled except local dns,
+ # but it didnt work right and i dont need it anyways.
+ # uset dhcp.wan.ignore $dev2 # default is false
+ # uset dhcp.lan.ignore $dev2 # default is false
+ # uset dhcp.@dnsmasq[0].interface lo
+ # uset dhcp.@dnsmasq[0].localuse 0
+ # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
+ # uset dhcp.@dnsmasq[0].noresolv 1
+ # todo: populate /etc/resolv.conf with a static value
+
+else
+ # these are the defaults
+ uset network.lan.gateway ''
+ uset network.wan.proto dhcp
+ uset network.wan6.proto dhcpv6
+ /etc/init.d/dnsmasq start
+ # todo: figure out why this returns 1
+ /etc/init.d/dnsmasq enable ||:
+ /etc/init.d/odhcpd start
+ /etc/init.d/odhcpd enable
+fi
+
+wireless_restart=false
+for x in 0 1; do
+ uset wireless.default_radio$x.ssid "$ssid"
+ uset wireless.default_radio$x.key $key
+ uset wireless.default_radio$x.encryption psk2
+ if [[ $mac ]]; then
+ uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
+ fi
+ # secondary device has wireless disabled
+ uset wireless.radio$x.disabled $dev2
+done
+
+if $wireless_restart; then
+ v wifi
+fi
+
+
+
+# usb, screen, relay are for libremanage
+# rsync is for brc
+v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
+ tcpdump openvpn-openssl adblock libusb-compat /root/relay_1.0-1_mips_24kc.ipk \
+ screen kmod-usb-serial-cp210x kmod-usb-serial-ftdi rsync
+
+cat >/etc/libremanage.conf <<EOF
+${libremanage_host}_type=switch
+${libremanage_host}_channel=1
+EOF
+
v /etc/init.d/fstab enable ||:
# wiki says safe to do in case of fstab changes:
## ian: usb broke on old router. if that happens, can just comment this to disable problems
-echo | cedit /etc/config/fstab ||:
-cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
+# echo | cedit /etc/config/fstab ||:
+v cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
config global automount
option from_fstab 1
option anon_mount 1
# todo: restart nfs when nfs is enabled?
#cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
cedit /etc/exports <<EOF ||:
-/mnt/usb $lan/$netmask(rw,no_root_squash,insecure,sync,no_subtree_check)
+/mnt/usb $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
# for arch pxe
-/run/archiso/bootmnt $lan/$netmask(rw,no_root_squash,insecure,sync,no_subtree_check)
-/run/parabolaiso/bootmnt $lan/$netmask(rw,no_root_squash,insecure,sync,no_subtree_check)
+/run/archiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
+/run/parabolaiso/bootmnt $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
EOF
-uset dropbear.@dropbear[0].PasswordAuth 0
-uset dropbear.@dropbear[0].RootPasswordAuth 0
-uset dropbear.@dropbear[0].Port 2220
-
-wireless_restart=false
-key=pictionary49
-for x in 0 1; do
- uset wireless.default_radio$x.ssid "$ssid"
- uset wireless.default_radio$x.key $key
- uset wireless.default_radio$x.encryption psk2
- if [[ $(uci get wireless.radio$x.disabled 2>/dev/null) ]]; then
- v uci delete wireless.radio$x.disabled
- wireless_restart=true
- fi
-done
-
-if $wireless_restart; then
- v wifi
-fi
-
########## openvpn exampl
########## missing firewall settings for routing lan
# option config /etc/openvpn/client.conf
# EOF
+wgip4=10.3.0.1/24
+wgip6=fdfd::1/64
+wgport=26000
v cedit /etc/config/network <<EOF || v /etc/init.d/network reload
config 'route' 'transmission'
- option 'interface' 'lan'
- option 'target' '10.173.0.0'
- option 'netmask' '255.255.0.0'
- option 'gateway' '$l.3'
+ option 'interface' 'lan'
+ option 'target' '10.173.0.0'
+ option 'netmask' '255.255.0.0'
+ option 'gateway' '$l.3'
+
+option interface 'wg0'
+ option proto 'wireguard'
+ option private_key '$(cat /root/wg.key)'
+ option listen_port $wgport
+ list addresses '10.3.0.1/24'
+ list addresses 'fdfd::1/64'
+
+# tp
+config wireguard_wg0 'wgclient'
+ option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
+ option preshared_key '$(cat /root/wg.psk)'
+ list allowed_ips '10.3.0.2/24'
+ list allowed_ips 'fdfd::2/64'
EOF
-firewall_restart=false
-v cedit /etc/config/firewall <<EOF || firewall_restart=true
+firewall-cedit() {
+ case $hostname in
+ wrt)
+ v cedit host /etc/config/firewall <<EOF
+config redirect
+ option name ssh
+ option src wan
+ option src_dport 22
+ option dest_ip $l.3
+ option dest lan
+EOF
+ ;;
+ cmc)
+ v cedit host /etc/config/firewall <<EOF
config redirect
- option name ssh
- option src wan
- option src_dport 22
- option dest_ip $l.8
- option dest lan
+ option name ssh
+ option src wan
+ option src_dport 22
+ option dest_ip $l.2
+ option dest lan
+EOF
+ ;;
+ esac
+
+ v cedit /etc/config/firewall <<EOF
config rule
- option src wan
- option target ACCEPT
- option dest_port 22
+ option src wan
+ option target ACCEPT
+ option dest_port 22
config redirect
- option name sshalt
- option src wan
- option src_dport 2222
- option dest_port 22
- option dest_ip $l.3
- option dest lan
+ option name sshtp
+ option src wan
+ option src_dport 2202
+ option dest_port 22
+ option dest_ip $l.2
+ option dest lan
config rule
- option src wan
- option target ACCEPT
- option dest_port 2222
+ option src wan
+ option target ACCEPT
+ option dest_port 2202
+config redirect
+ option name sshx2
+ option src wan
+ option src_dport 2205
+ option dest_port 22
+ option dest_ip $l.5
+ option dest lan
config rule
- option src wan
- option target ACCEPT
- option dest_port 2220
+ option src wan
+ option target ACCEPT
+ option dest_port 2205
+config redirect
+ option name sshx3
+ option src wan
+ option src_dport 2207
+ option dest_port 22
+ option dest_ip $l.7
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 2207
config redirect
- option src wan
- option src_dport 443
- option dest lan
- option dest_ip $l.8
- option proto tcp
+ option name sshtp
+ option src wan
+ option src_dport 2208
+ option dest_port 22
+ option dest_ip $l.8
+ option dest lan
config rule
- option src wan
- option target ACCEPT
- option dest_port 443
- option proto tcp
+ option src wan
+ option target ACCEPT
+ option dest_port 2208
config redirect
- option src wan
- option src_dport 1196
- option dest lan
- option dest_ip $l.8
- option proto udp
+ option name icecast
+ option src wan
+ option src_dport 8000
+ option dest_port 8000
+ option dest_ip $l.2
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 8000
+
+config rule
+ option name sshwrt
+ option src wan
+ option target ACCEPT
+ option dest_port 2220
+
config rule
- option src wan
- option target ACCEPT
- option dest_port 1196
- option proto udp
+ option name wg
+ option src wan
+ option target ACCEPT
+ option dest_port $wgport
+ option proto udp
config redirect
- option src wan
- option src_dport 80
- option dest lan
- option dest_ip $l.8
- option proto tcp
+ option name vpntp
+ option src wan
+ option src_dport 1196
+ option dest lan
+ option dest_ip $l.8
+ option proto udp
config rule
- option src wan
- option target ACCEPT
- option dest_port 80
- option proto tcp
+ option src wan
+ option target ACCEPT
+ option dest_port 1196
+ option proto udp
+
config redirect
- option name syncthing
- option src wan
- option src_dport 22001
- option dest_ip $l.8
- option dest lan
+ option name httptp
+ option src wan
+ option src_dport 80
+ option dest lan
+ option dest_ip $l.2
+ option proto tcp
config rule
- option src wan
- option target ACCEPT
- option dest_port 22001
+ option src wan
+ option target ACCEPT
+ option dest_port 80
+ option proto tcp
+config redirect
+ option name httpstp
+ option src wan
+ option src_dport 443
+ option dest lan
+ option dest_ip $l.2
+ option proto tcp
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 443
+ option proto tcp
+config redirect
+ option name syncthing
+ option src wan
+ option src_dport 22001
+ option dest_ip $l.8
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 22001
-EOF
+config rule
+ option name ssh-ipv6
+ option src wan
+ option dest lan
+ # note, using mac transform, we could allow all traffic to a host like this,
+ # replacing 1 as appropriate
+ #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
+ option dest_port 22
+ option target ACCEPT
+ option family ipv6
+
+config rule
+ option name http-ipv6
+ option src wan
+ option dest lan
+ option dest_port 80
+ option target ACCEPT
+ option family ipv6
+
+config rule
+ option name https-ipv6
+ option src wan
+ option dest lan
+ option dest_port 443
+ option target ACCEPT
+ option family ipv6
+
+config rule
+ option name node-exporter
+ option src wan
+ option dest lan
+ option dest_port 9101
+ option target ACCEPT
+ option family ipv6
+
+config rule
+ option name mail587-ipv6
+ option src wan
+ option dest lan
+ option dest_port 587
+ option target ACCEPT
+ option family ipv6
+
+EOF
+}
+firewall-cedit || firewall_restart=true
+
+if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
+ # cant mix cedit plus uci
+ echo | cedit /etc/config/firewall ||:
+ uci add_list firewall.@zone[1].network=wg0
+ uci commit firewall
+ firewall-cedit ||:
+ firewall_restart=true
+fi
-dnsmasq_restart=false
v cedit /etc/hosts <<EOF || dnsmasq_restart=true
-127.0.1.1 wrt
-$l.1 wrt
-$l.2 kd
-$l.3 frodo
-$l.4 htpc
-$l.5 x2
-$l.6 demohost
-$l.7 x3
-$l.8 tp b8.nz faiserver
-$l.9 bb8
+127.0.1.1 $hostname
+#$l.7 x3
+$l.12 demohost
+$l.13 trp
72.14.176.105 li
+2600:3c00::f03c:91ff:fe6d:baf8 li
# netns creation looks for next free subnet starting at 10.173, but I only
# use one, and I would keep this one as the first created.
10.173.0.2 transmission
EOF
+case $hostname in
+ cmc)
+ v cedit host /etc/hosts <<EOF || dnsmasq_restart=true
+$l.1 $hostname
+$l.2 kd b8.nz
+#$l.3 frodo
+$l.4 wrt2
+$l.5 x2 faiserver
+$l.6 x2w
+$l.7 rp
+$l.8 tp
+$l.9 bb8
+$l.14 wrt3
+#$l.18 x3
+$l.19 brother
+#$l.28 frodow
+EOF
+ ;;
+esac
+
#mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
# if [[ $mail_host ]]; then
# fi
-# avoid using the dns servers that my isp tells me about.
-if [[ $(uci get dhcp.@dnsmasq[0].resolvfile 2>/dev/null) ]]; then
- # default is '/tmp/resolv.conf.auto', we switch to the dnsmasq default of
- # /etc/resolv.conf. not sure why I did this.
- v uci delete dhcp.@dnsmasq[0].resolvfile
- uci commit dhcp
- dnsmasq_restart=true
-fi
-
uset dhcp.@dnsmasq[0].domain b8.nz
uset dhcp.@dnsmasq[0].local /b8.nz/
-uset system.@system[0].hostname wrt
-
-if [[ $(uci get adblock.global.adb_enabled) != 1 ]]; then
- v uci set adblock.global.adb_enabled=1
+uset system.@system[0].hostname $hostname
+# uci doesnt seem to have a way to set an empty value,
+# if you delete it, it goes back to the default. this seems
+# to be a decent workaround.
+# todo: setup /etc/resolv.conf to point to 127.0.0.1
+uset dhcp.@dnsmasq[0].resolvfile=/dev/null
+
+# disabled for now. i want to selectively enable it
+# for specific hosts.
+if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
+ v uci set adblock.global.adb_enabled=0
uci commit adblock
/etc/init.d/adblock restart
fi
# to start.
mkdir -p /mnt/usb/tftpboot
v cedit /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
+server=/dmarctest.b8.nz/#
+server=/_domainkey.b8.nz/#
+server=/_dmarc.b8.nz/#
+server=/ns1.b8.nz/#
+server=/ns2.b8.nz/#
+server=/bk.b8.nz/#
+server=/je.b8.nz/#
+mx-host=b8.nz,mail.iankelling.org,10
+txt-record=b8.nz,"v=spf1 a ?all"
+
# https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
stop-dns-rebind
# top port, iPXE (PCI 04:00.0) in seabios boot menu
#dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
-dhcp-host=10:78:d2:da:29:22,set:htpc,$l.4,htpc
-dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
+# 4 is reserved for a staticly configured host wrt2
+# old x2 with bad fan
+#dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
+dhcp-host=f0:de:f1:81:ec:88,set:x2,$l.5,x2
+dhcp-host=c4:8e:8f:44:f5:63,set:x2w,$l.6,x2w
# This is so fai can have an explicit name to use for testing,
# or else any random machine which did a pxe boot would get
# reformatted. The mac is from doing a virt-install, cancelling it,
# and copying the generated mac, so it should be randomish.
-dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.6,demohost
-dhcp-host=00:1f:16:14:01:d8,set:tp,$l.7,x3
+dhcp-host=fa:08:f8:4c:14:1c,set:tp,$l.7,rp
dhcp-host=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
+dhcp-host=52:54:00:9c:ef:ad,set:demohost,$l.12,demohost
+dhcp-host=62:03:cb:a8:3e:a3,set:trp,$1.13,trp
+dhcp-host=00:1f:16:14:01:d8,set:tp,$l.18,x3
+# BRN001BA98CA823 in dhcp logs
+dhcp-host=00:1b:a9:8c:a8:23,set:tp,$l.19,brother
+dhcp-host=00:26:b6:f6:0f:e9,set:frodow,$l.28,frodow
+
# faiserver vm
dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
# It has no sensitive info.
enable-tftp=br-lan
tftp-root=/mnt/usb/tftpboot
+dhcp-optsfile=/etc/dnsmasq-dhcpopts.conf
+
+#log-queries=extra
EOF
-if $dnsmasq_restart; then
+
+
+
+if $dnsmasq_restart && ! $dev2; then
v /etc/init.d/dnsmasq restart
fi
v /etc/init.d/firewall restart
fi
-uset network.lan.ipaddr $l.1
-uset network.lan.netmask $mask
+# todo: we should catch errors and still run this if needed
if $network_restart; then
reboot
fi
-if $dropbear_restart; then
- v /etc/init.d/dropbear restart
-fi
exit 0