# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+f=/usr/local/lib/bash-bear;test -r $f || { echo "error: $0 no $f" >&2;exit 1;}; . $f
usage() {
cat <<EOF
-usage: ${0##*/} [-h] [-t 2|test] [-m WIRELESS_MAC]
+usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC] [hostname]
setup my router in general: dhcp, dns, etc.
-Type 2 is for setting up a backup device. Type test is for setting up a
-testing device.
+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.
+Passing an empty string for WIRELESS_MAC, or if none is defined in the
+secrets file, will cause the device's native mac to be used.
EOF
}
+
+zblock=false
+if [[ -e /root/zblock ]]; then
+ zblock=true
+fi
+
+dnsmasq_restart=false
+unbound_restart=false
+firewall_restart=false
dev2=false
test=false
-hostname=wrt
+client=false
+ap=false
libremanage_host=wrt2
-
lanip=1
-while getopts hm:t: opt; do
+while getopts hm:t:yz opt; do
case $opt in
h) usage ;;
t)
case $2 in
- 2)
+ 2|3)
dev2=true
+ libremanage_host=$hostname
+ ;;&
+ 2)
lanip=4
hostname=wrt2
- libremanage_host=wrt
+ ;;
+ 3)
+ lanip=14
+ hostname=wrt3
;;
test)
test=true
;;
+ client)
+ client=true
+ ;;
+ ap)
+ ap=true
+ lanip=53
+ hostname=cmcap
+ ;;
*) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
esac
;;
+ y)
+ zblock=false
+ rm -f /root/zblock
+ ;;
+ z)
+ zblock=true
+ touch /root/zblock
+ ;;
m) mac=$OPTARG ;;
*) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
esac
done
shift "$((OPTIND-1))" # Discard the options and sentinel --
-if [[ ! $mac ]] && ! $test; then
+if [[ $1 ]]; then
+ h=$1
+elif [[ $hostname ]]; then
+ h=$hostname
+else
+ h=cmc
+fi
+
+if [[ ! $hostname ]]; then
+ hostname=$h
+fi
+
+
+secrets=false
+if [[ -e /root/router-secrets ]]; then
+ secrets=true
+ source /root/router-secrets
+fi
+
+if [[ ! $mac ]] && ! $test && $secrets; then
# if we wanted to increment it
- #WIRELESSMAC=${WIRELESSMAC:0: -1}$((${WIRELESSMAC: -1} + 2))
- mac=$WIRELESSMAC
+ #mac=${mac:0: -1}$((${mac: -1} + 2))
+ mac=${rwmac[$h]}
fi
if (( $# != 0 )); then
macpre=${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 $restart_var=true
+ fi
+}
+cedit() {
+ v command cedit -v "$@"
+}
+
### network config
###
-ssid="check out gnu.org"
lan=10.0.0.0
if $test; then
- ssid="gnuv3"
lan=10.1.0.0
+elif [[ $hostname == cmc || $hostname == cmcap ]]; then
+ lan=10.2.0.0
+elif $client; then
+ lan=10.3.0.0
+fi
+
+if $test; then
+ ssid="gnuv3"
+elif $secrets; then
+ ssid=${rssid[$h]}
+fi
+
+: ${ssid:=librecmc}
+
+
+if $secrets; then
+ key=${rkey[$h]}
fi
+: ${key:=pictionary49}
+
mask=255.255.0.0
cidr=16
l=${lan%.0}
-passwd -l root ||: #already locked fails
+# why did we lock this? i don't know
+#passwd -l root ||: #already locked fails
sed -ibak '/^root:/d' /etc/shadow
# /root/router created by manually running passwd then copying the resulting
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
+
+
+
+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 || $client || $ap; then
+ if $dev2 || $ap; then
+ uset network.lan.gateway $l.1
+ uset network.wan.proto none
+ uset network.wan6.proto none
+ fi
+ /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
+ if $ap; then
+ cat >/etc/resolv.conf <<EOF
+nameserver $l.1
+EOF
+ else
+ cat >/etc/resolv.conf <<'EOF'
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+ fi
+
+ # 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
+
+ # this is not needed unless switching from the above condition.
+ # disabling just to debug
+ #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
+
+if $client; then
+ uset wireless.default_radio0.network 'wwan'
+ uset wireless.default_radio0.ssid ${rclientssid[$h]}
+ uset wireless.default_radio0.encryption 'psk2'
+ uset wireless.default_radio0.device 'radio0'
+ uset wireless.default_radio0.mode 'sta'
+ uset wireless.default_radio0.bssid ${rclientbssid[$h]}
+ # todo: look into whether 5g network is available.
+ uset wireless.default_radio0.key ${rclientkey[$h]}
+ uset wireless.radio0.disabled false
+ uset wireless.radio1.disabled true
+else
+ # defaults, just reseting in case client config ran
+ uset wireless.default_radio0.network lan
+ uset wireless.default_radio0.mode ap
+ 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
+ # disable/enable. secondary device has wireless disabled
+ uset wireless.radio$x.disabled $dev2
+ done
+fi
+
+if grep '^OPENWRT_BOARD="mvebu/cortexa9"' /etc/os-release &>/dev/null; then
+ # todo, I also enabled irqbalance, didnt script it though
+ # https://forum.openwrt.org/t/wrt1900acs-wifi-issue-after-upgrade-from-19-07-to-21-02-vacuum-cleaner-legacy-rate-support/113311/28
+ cat >/etc/rc.local <<'EOF'
+echo "0" >> /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu
+echo "0" >> /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
+exit 0
+EOF
+ chmod +x /etc/rc.local
+ /etc/rc.local
+ uset wireless.radio0.disassoc_low_ack 0
+ uset wireless.radio1.disassoc_low_ack 0
+fi
+
+
+# found with https://openwrt.org/docs/guide-user/network/wifi/iwchan.
+# However, the default also chooses 11, and better to let it choose in case things change.
+# case $HOSTNAME in
+# cmc)
+# uset wireless.radio0.channel 11
+# ;;
+# esac
+
+
# usb, screen, relay are for libremanage
-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 is for brc
+#
+# relay package temporarily disabled
+# /root/relay_1.0-1_mips_24kc.ipk
+#
+# note: prometheus-node-exporter-lua-openwrt seems to be a dependency of
+# prometheus-node-exporter-lua in practice.
+
+pkgs=(
+ tcpdump
+ screen
+ rsync
+ kmod-usb-storage
+ block-mount
+ kmod-fs-ext4
+ prometheus-node-exporter-lua-openwrt
+ prometheus-node-exporter-lua
+)
+
+if ! $ap; then
+ pkgs+=(
+ unbound-daemon
+ unbound-checkconf
+ )
+fi
+
+v pi "${pkgs[@]}"
+# nfs-kernel-server \
+ # openvpn-openssl adblock libusb-compat \
+ # kmod-usb-serial-cp210x kmod-usb-serial-ftdi \
+
cat >/etc/libremanage.conf <<EOF
${libremanage_host}_type=switch
# wiki says safe to do in case of fstab changes:
## ian: usb broke on old router. if that happens, can just comment this to disable problems
-echo | cedit /etc/config/fstab ||:
+# echo | cedit /etc/config/fstab ||:
cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
config global automount
option from_fstab 1
# v /etc/init.d/nfsd enable
+cedit /etc/config/prometheus-node-exporter-lua <<'EOF' || /etc/init.d/prometheus-node-exporter-lua restart
+config prometheus-node-exporter-lua 'main'
+ option listen_ipv6 '0'
+ option listen_interface 'lan'
+ option listen_port '9100
+EOF
+# default, as of this writing is:
+# config prometheus-node-exporter-lua 'main'
+# option listen_interface 'loopback'
+# option listen_port '9100'
-uset dropbear.@dropbear[0].PasswordAuth 0
-uset dropbear.@dropbear[0].RootPasswordAuth 0
-uset dropbear.@dropbear[0].Port 2220
-if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
- cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
- dropbear_restart=true
-fi
-
-wireless_restart=false
-key=pictionary49
-for x in 0 1; do
- uset wireless.default_radio$x.ssid "$ssid"
- uset wireless.default_radio$x.key $key
- uset wireless.default_radio$x.encryption psk2
- if [[ $mac ]]; then
- uset wireless.default_radio$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
-
########## openvpn exampl
########## missing firewall settings for routing lan
# # I did, and I had to restart the vpn afterwards.
# # This maps a uci interface to a real interface which is
# # managed outside of uci.
-# v cedit /etc/config/network <<'EOF' ||:
+# cedit /etc/config/network <<'EOF' ||:
# config interface 'tun0'
# option ifname 'tun0'
# option proto 'none'
# EOF
-# v cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
+# cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
# config openvpn my_client_config
# option enabled 1
# option config /etc/openvpn/client.conf
# EOF
+wgip4=10.3.0.1/24
+wgip6=fdfd::1/64
+wgport=26000
+network_restart=false
+if $client; then
+ cedit wific /etc/config/network <<EOF || network_restart=true
+# https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
+config interface 'wwan'
+ option proto 'dhcp'
+EOF
+fi
-v cedit /etc/config/network <<EOF || v /etc/init.d/network reload
+cedit /etc/config/network <<EOF || network_restart=true
config 'route' 'transmission'
- option 'interface' 'lan'
- option 'target' '10.173.0.0'
- option 'netmask' '255.255.0.0'
- option 'gateway' '$l.3'
+ option 'interface' 'lan'
+ option 'target' '10.174.0.0'
+ option 'netmask' '255.255.0.0'
+ option 'gateway' '$l.2'
+
+option interface 'wg0'
+ option proto 'wireguard'
+ option private_key '$(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
+# Need to reload before we change dnsmasq to give out
+# static ips in our new range.
+if $network_restart; then
+ v /etc/init.d/network reload
+fi
+firewall-cedit() {
+
+ if $client; then
+ cedit wific /etc/config/firewall <<EOF
+config zone
+ option name wwan
+ option input REJECT
+ option output ACCEPT
+ option forward REJECT
+ option masq 1
+ option mtu_fix 1
+ option network wwan
+EOF
+ fi
+ case $hostname in
+ wrt)
+ 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_ip $l.3
option dest lan
+EOF
+ ;;
+ cmc)
+ cedit host /etc/config/firewall <<EOF
+config redirect
+ option name ssh
+ option src wan
+ option src_dport 22
+ option dest_ip $l.2
+ option dest lan
+EOF
+ ;;
+ esac
+
+
+ cedit /etc/config/firewall <<EOF
+## begin no external dns for ziva
+config rule
+ option src lan
+ option src_ip 10.2.0.23
+ option dest_port 53
+ option dest wan
+ option target REJECT
+
+
+config rule
+ option src wan
+ option dest_ip 10.2.0.23
+ option src_port 53
+ option dest lan
+ option target REJECT
+
+
+config rule
+ option src lan
+ option src_ip 10.2.0.31
+ option dest_port 53
+ option dest wan
+ option target REJECT
+
+
+config rule
+ option src wan
+ option dest_ip 10.2.0.31
+ option src_port 53
+ option dest lan
+ option target REJECT
+
+
+config rule
+ option src lan
+ option src_ip 10.2.0.32
+ option dest_port 53
+ option dest wan
+ option target REJECT
+
+
+config rule
+ option src wan
+ option dest_ip 10.2.0.32
+ option src_port 53
+ option dest lan
+ option target REJECT
+## end no external dns for ziva
+
+
config rule
option src wan
option target ACCEPT
option dest_port 22
config redirect
- option name sshalt
+ option name promkd
+ option src wan
+ option src_dport 9091
+ option dest_port 9091
+ option dest_ip $l.2
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 9091
+
+config redirect
+ option name sshkd
option src wan
- option src_dport 2222
+ option src_dport 2202
option dest_port 22
- option dest_ip $l.3
+ option dest_ip $l.2
option dest lan
config rule
option src wan
option target ACCEPT
- option dest_port 2222
+ option dest_port 2202
+
+# was working on an openvpn server, didn't finish
+# config redirect
+# option name vpnkd
+# option src wan
+# option src_dport 1196
+# option dest_port 1196
+# option dest_ip $l.2
+# option dest lan
+# config rule
+# option src wan
+# option target ACCEPT
+# option dest_port 1196
+
+config redirect
+ option name sshkdalt
+ option src wan
+ option src_dport 8989
+ option dest_port 8989
+ option dest_ip $l.2
+ option dest lan
config rule
option src wan
option target ACCEPT
- option dest_port 2220
+ option dest_port 8989
config redirect
+ option name sshx2
option src wan
- option src_dport 443
+ option src_dport 2205
+ option dest_port 22
+ option dest_ip $l.5
option dest lan
- option dest_ip $l.8
- option proto tcp
config rule
option src wan
option target ACCEPT
- option dest_port 443
- option proto tcp
+ option dest_port 2205
config redirect
+ option name sshx3
option src wan
- option src_dport 1196
+ 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 name sshbb8
+ option src wan
+ option src_dport 2209
+ option dest_port 22
+ option dest_ip $l.32
option dest lan
- option dest_ip $l.8
- option proto udp
config rule
option src wan
option target ACCEPT
- option dest_port 1196
+ option dest_port 2209
+
+
+config redirect
+ option name sshfrodo
+ option src wan
+ option src_dport 2234
+ option dest_port 34
+ option dest_ip $l.34
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 2234
+
+
+config redirect
+ 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 sshcmc
+ option src wan
+ option target ACCEPT
+ option dest_port 2220
+
+config rule
+ option name wg
+ option src wan
+ option target ACCEPT
+ option dest_port $wgport
option proto udp
+config redirect
+ option name navidromehttps
+ option src wan
+ option src_dport 4500
+ option dest_port 4500
+ option dest_ip $l.2
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 4500
+
+config redirect
+ option name navidrome
+ option src wan
+ option src_dport 4533
+ option dest_port 4533
+ option dest_ip $l.2
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 4533
+
+# So a client can just have i.b8.nz dns even when they
+# are on the lan.
+#config redirect
+# option name navidromelan
+# option src lan
+# option src_dport 4533
+# option dest_port 4533
+# option dest_ip $l.2
+# option dest lan
+
+
+# config redirect
+# 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 redirect
+ option name http
option src wan
option src_dport 80
option dest lan
- option dest_ip $l.8
+ option dest_ip $l.7
option proto tcp
config rule
option src wan
option dest_port 80
option proto tcp
+config redirect
+ option name https
+ option src wan
+ option src_dport 443
+ option dest lan
+ option dest_ip $l.7
+ option proto tcp
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 443
+ option proto tcp
+
+# config redirect
+# option name httpskd8448
+# option src wan
+# option src_dport 8448
+# option dest lan
+# option dest_ip $l.2
+# option proto tcp
+# config rule
+# option src wan
+# option target ACCEPT
+# option dest_port 8448
+# option proto tcp
+
config redirect
option name syncthing
option src wan
option dest_port 22001
+#config redirect
+# option name i2p
+# option src wan
+# option src_dport $i2pport
+# option dest_ip $l.178
+# option dest lan
+#config rule
+# option src wan
+# option target ACCEPT
+# option dest_port $i2pport
+
config rule
option name ssh-ipv6
option src wan
option target ACCEPT
option family ipv6
+# config rule
+# option name http-ipv6
+# option src wan
+# option dest lan
+# option dest_port 80
+# option target ACCEPT
+# option family ipv6
+
+# config rule
+# option name https-ipv6
+# option src wan
+# option dest lan
+# option dest_port 443
+# option target ACCEPT
+# option family ipv6
config rule
- option name mail-ipv6
+ option name node-exporter
option src wan
option dest lan
- option dest_port 25
+ option dest_port 9101
option target ACCEPT
option family ipv6
-EOF
+config rule
+ option name mail587-ipv6
+ option src wan
+ option dest lan
+ option dest_port 587
+ option target ACCEPT
+ option family ipv6
+EOF
+}
+firewall-cedit || firewall_restart=true
+
+# firewall comment:
+# not using and in newer wrt, fails, probably due to nonexistent file, error output
+# on:
+
+# Reference error: left-hand side expression is not an array or object
+# In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
+# called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
+# called from function foreach ([C])
+# called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
+# called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
+# called from anonymous function (/usr/share/firewall4/main.uc:143:29)
+#
+# ` if (!inc.enabled) {`
+# Near here -------^
+#
+#
+# The rendered ruleset contains errors, not doing firewall restart.
+# /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
+
+## include a file with users custom iptables rules
+#config include
+# option path /etc/firewall.user
+# option type 'restore'
+# option family 'ipv4'
+
+
+
+# not using wireguard for now
+# 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 wrt2
-$l.5 x2
-$l.6 demohost
-$l.7 x3
-$l.8 tp b8.nz faiserver
-$l.9 bb8
-72.14.176.105 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
+cedit /etc/hosts <<EOF ||:
+127.0.1.1 $hostname
EOF
+
#mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
# if [[ $mail_host ]]; then
# sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
# 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 $hostname
+uset dhcp.@dnsmasq[0].local
+
+# 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
+# later note: disabled, I dunno why I set this.
+# uset dhcp.@dnsmasq[0].resolvfile /dev/null
+
+# if dnsmasq happens to not send out a dns server,
+# odhcpd will send one out like this:
+# NetworkManager[953]: <info> [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers => 'fd58:5801:8e02::1'
+# but i dont want ipv6 dns, just keep it simple to ipv4.
+# I know my isp doesnt have ipv6 right now,
+# so just stop this thing.
+# note: tried this, it didn't do anything:
+# uset dhcp.@odhcpd[0].dns 10.2.0.1
+
+# iank, disablde while debugging.
+#/etc/init.d/odhcpd stop
+#/etc/init.d/odhcpd disable
+
+# todo: make the above conditional on which server this is.
+
+## left commented in case we have ipv6 problems in the future
+# avoid errors in log. current isp doesnt have ipv6
+#uset unbound.@unbound[0].protocol ip4_only
+
+# todo: im not sure all these are needed, but they all look
+# like good options.
+# https://blog.cloudflare.com/dns-over-tls-for-openwrt/
+# https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
+#https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
+#
+# # i found that the zone example was having no effect on the config
+# # here:
+# https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
+#
+# # todo: unbound-control, i'm not sure what the purpose of that thing is, some
+# # kind of coordination with dhcp of dnsmasq, but what?
+#
+# note: for debugging, edit /etc/init.d/unbound, change
+# procd_set_param command $PROG -d -c $UB_TOTAL_CONF
+# to:
+# procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
+
+if ! $ap; then
+ {
+ cat <<'EOF'
+do-tcp: yes
+prefetch: yes
+qname-minimisation: yes
+rrset-roundrobin: yes
+use-caps-for-id: yes
+do-ip6: no
+private-domain: b8.nz
+local-zone: "10.in-addr.arpa." transparent
+access-control-view: 10.2.0.31/32 "youtube"
+EOF
-if [[ $(uci get adblock.global.adb_enabled) != 1 ]]; then
- v uci set adblock.global.adb_enabled=1
- uci commit adblock
- /etc/init.d/adblock restart
-fi
-# https://github.com/openwrt/packages/tree/master/net/adblock/files
-cat >/etc/crontabs/root <<'EOF'
-0 06 * * * /etc/init.d/adblock reload
+ if $zblock; then
+ cat <<'EOF'
+# no sy until that dongle is used by ziva
+
+# syw
+#access-control-view: 10.2.0.7/32 "youtube"
+# bow
+access-control-view: 10.2.0.29/32 "youtube"
+# samsungtab
+access-control-view: 10.2.0.32/32 "youtube"
+EOF
+ fi
+ } | cedit /etc/unbound/unbound_srv.conf || unbound_restart=true
+
+
+ # dns based blocking vs ip based. with ip, same
+ # server can have multiple domains. in dns,
+ # you have to make sure clients to use the local dns.
+ # https dns will need to be blocked by ip in
+ # order to be comprehensive
+
+
+ cedit /etc/unbound/unbound_ext.conf <<EOF || unbound_restart=true
+
+$(. /root/ptr-data)
+
+local-data-ptr: "10.2.0.1 cmc.b8.nz"
+
+local-data-ptr: "10.174.2.2 transmission.b8.nz"
+local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
+local-data-ptr: "10.173.8.2 nn.b8.nz"
+
+forward-zone:
+ name: "."
+# forward-addr: 8.8.8.8
+# forward-addr: 8.8.8.8
+
+# ssl disabled due to this error:
+#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
+#Sat Dec 24 03:34:44 2022 daemon.notice unbound: [6568:0] notice: ssl handshake failed 1.0.0.3 port 853
+# on OPENWRT_RELEASE="OpenWrt SNAPSHOT r18639-f5865452ac"
+# from about feb 2022
+
+# https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
+# forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
+# forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
+# forward-ssl-upstream: yes
+ forward-first: no
+ forward-addr: 1.1.1.3
+ forward-addr: 1.0.0.3
+
+view:
+ name: "youtube"
+ local-zone: "googlevideo.com." refuse
+ local-zone: "video.google.com." refuse
+ local-zone: "youtu.be." refuse
+ local-zone: "youtube-nocookie.com." refuse
+ local-zone: "youtube-ui.l.google.com." refuse
+ local-zone: "youtube.com." refuse
+ local-zone: "youtube.googleapis.com." refuse
+ local-zone: "youtubeeducation.com." refuse
+ local-zone: "youtubei.googleapis.com." refuse
+ local-zone: "yt3.ggpht.com." refuse
+ local-zone: "youtubekids.com." refuse
+ # try global if no match in view
+ view-first: yes
EOF
+ if $unbound_restart; then
+ /etc/init.d/unbound restart
+ if ! unbound-checkconf; then
+ echo $0: error: unbound-checkconf failed >&2
+ exit 1
+ fi
+ fi
+fi # end if $ap
+
+# # disabled for now. i want to selectively enable it
+# # for specific hosts.
+# if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
+# v uci set adblock.global.adb_enabled=0
+# uci commit adblock
+# /etc/init.d/adblock restart
+# fi
+# # https://github.com/openwrt/packages/tree/master/net/adblock/files
+# cat >/etc/crontabs/root <<'EOF'
+# 0 06 * * * /etc/init.d/adblock reload
+# EOF
+
+
# useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
# sometimes /mnt/usb fails, cuz it's just a flash drive,
# so make sure we have this dir or else dnsmasq will fail
# to start.
mkdir -p /mnt/usb/tftpboot
-v cedit /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
+cedit /etc/dnsmasq.conf <<EOF || dnsmasq_restart=true
+
+# no dns
+port=0
+server=/b8.nz/#
+ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
+
+# generated with host-info-update
+$(. /root/dnsmasq-data)
# https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
stop-dns-rebind
+rebind-domain-ok=b8.nz
-# this says the ip of default gateway and dns server,
-# but I think they are unneded and default
-#dhcp-option=3,$l.1
-#dhcp-option=6,$l.1
+# This says the ip of dns server.
+# It is default if dnsmasq is doing dns, otherwise, we have to specify it.
+# To see it in action, I ran this from a client machine:
+# sudo dhcpcd -o domain_name_servers -T
+dhcp-option=option:dns-server,$l.1
+# use this when doing fai to get the right timezone, its nfsroot is
+# setup to use this dhcp option only and call ntpdate.
+# generate ips with:
+# 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
+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
# results from googling around dnsmasq optimizations
# download namebench and run it like this:
# 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
# google
-server=8.8.4.4
-server=8.8.8.8
-server=2001:4860:4860::8888
-server=2001:4860:4860::8844
+server=1.1.1.3
+server=1.0.0.3
+server=2606:4700:4700::1113
+server=2606:4700:4700::1003
+
+server=10.2.0.1
+# server=8.8.4.4
+# server=8.8.8.8
+# server=2001:4860:4860::8888
+# server=2001:4860:4860::8844
# to fixup existin ips, on the client you can do
# sudo dhclient -r; sudo dhclient <interface-name>
+# or on cmc,
+# /etc/init.d/dnsmasq stop
+# vi /tmp/dhcp.leases
+# /etc/init.d/dnsmasq start
+
# default dhcp range is 100-150
-# bottom port, iPXE (PCI 03:00.0) in seabios boot menu
-dhcp-host=c8:60:00:31:6b:75,set:kd,$l.2,kd
-# top port, iPXE (PCI 04:00.0) in seabios boot menu
-#dhcp-host=c8:60:00:2b:15:07,set:kd,$l.2,kd
-dhcp-host=00:26:18:97:bb:16,set:frodo,$l.3,frodo
-# 4 is reserved for a staticly configured host.
-dhcp-host=00:1f:16:16:39:24,set:x2,$l.5,x2
-# 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=80:fa:5b:1c:6e:cf,set:tp,$l.8,tp
-
-# faiserver vm
-dhcp-host=52:54:00:56:09:f9,set:faiserver,$l.15,faiserver
-
-# This is the ip it picks by default if dhcp fails,
-# so might as well use it.
-# hostname is the name it uses according to telnet
-dhcp-host=b4:75:0e:94:29:ca,set:switch9429ca,$l.251,switch9429ca
# template
# dhcp-host=,$l.,
-# Just leave the tftp server up even if we aren't doing pxe boot.
-# It has no sensitive info.
-enable-tftp=br-lan
-tftp-root=/mnt/usb/tftpboot
+# pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
+# access /mnt/usb/tftpboot due to ujail sandbox
+#enable-tftp=br-lan
+#tftp-root=/mnt/usb/tftpboot
+#tftp-root=/var/run/dnsmasq/tftpboot
+
+
+dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
+
+# for debugging dhcp
+#log-queries=extra
EOF
-uset network.lan.ipaddr $l.$lanip
-uset network.lan.netmask $mask
-uset dhcp.wan.ignore $dev2 # default is false
-uset dhcp.lan.ignore $dev2 # default is false
-if $dev2; then
- uset network.lan.gateway $l.1
- uset network.wan.proto none
- uset network.wan6.proto none
-else
- # these are the defaults
- uset network.lan.gateway ''
- uset network.wan.proto dhcp
- uset network.wan6.proto dhcpv6
-fi
+if $dnsmasq_restart && ! $dev2 && ! $ap; then
+ # todo: can our ptr records be put in /etc/hosts?
+ # eg: user normal /etc/hosts records, and they wont be used for A resolution
+ # due to the other settings, but will be used for ptr? then maybe
+ # we dont have to restart dnsmasq for a dns update?
+ #
+ # interesing link:
+ # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
+ # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
+ # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
+ #
+ # Also, reload of dnsmasq seems to break things, wifi
+ # clients were not getting internet connectivity.
-if $dnsmasq_restart; then
v /etc/init.d/dnsmasq restart
fi
-if $firewall_restart; then
+if $ap; then
+ v /etc/init.d/firewall disable
+ v /etc/init.d/firewall stop
+elif $firewall_restart; then
v /etc/init.d/firewall restart
fi
+## turn off luci
+# if already stopped, gives error we want to ignore
+/etc/init.d/uhttpd stop |& sed '1{/^Command failed/d}'
+/etc/init.d/uhttpd disable |& sed '1{/^Command failed/d}'
+# this may just restart the network and take care of the network_restart below.
+if $wireless_restart; then
+ v wifi
+fi
+# 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
+v exit 0