#!/bin/bash
+# Copyright (C) 2016 Ian Kelling
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# 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 $?" >&2' ERR
# ssh
exit
}
EOF
-v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server
+v pi kmod-usb-storage block-mount kmod-fs-ext4 nfs-kernel-server \
+ tcpdump openvpn-openssl
- # exportfs -ra won't cut it when its the same path, but now a bind mount
+# exportfs -ra wont cut it when its the same path, but now a bind mount
cedit /etc/exports <<'EOF' || v /etc/init.d/nfsd restart ||:
/mnt/usb 192.168.1.0/255.255.255.0(rw,no_root_squash,insecure,sync,no_subtree_check)
# for arch pxe
/run/archiso/bootmnt 192.168.1.0/255.255.255.0(rw,no_root_squash,insecure,sync,no_subtree_check)
-
EOF
-cedit /etc/config/firewall <<'EOF' || /etc/init.d/firewall restart
-# port forwarding
-config redirect
-option name bittorrent
-option src wan
-option src_dport 63324
-option dest_ip 192.168.1.2
-option dest lan
-# making the port open (not sure if this is actually needed)
-config rule
-option src wan
-option target ACCEPT
-option dest_port 63324
-config redirect
-option name bithtpc
-option src wan
-option src_dport 63325
-option dest_ip 192.168.1.4
-option dest lan
-config rule
-option src wan
-option target ACCEPT
-option dest_port 63325
+######### uci example:#######
+# # https://wiki.openwrt.org/doc/uci
+# wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
+# wan="firewall.@zone[$wan_index]"
+# if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
+# # default is wan
+# v uci set firewall.@forwarding[0].dest=$forward_dest
+# uci commit firewall
+# firewall_restart=true
+# fi
-config redirect
-option name ssh
-option src wan
-#uncomment the 2 lines for security of using a non-standard port
-# and comment out the 22 port line
-# option src_dport 63321
-option src_dport 22
-option dest_ip 192.168.1.2
-option dest lan
-# option dest_port 22 # already default
+########## openvpn exampl
+########## missing firewall settings for routing lan
+########## traffic
+# v /etc/init.d/openvpn start
+# v /etc/init.d/openvpn enable
+
+# # from https://wiki.openwrt.org/doc/uci/firewall
+# # todo: not sure if /etc/init.d/network needs restarting.
+# # 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' ||:
+# config interface 'tun0'
+# option ifname 'tun0'
+# option proto 'none'
+# EOF
+# v 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
+
+
+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' '192.168.1.2'
+EOF
+
+v cedit /etc/config/firewall <<'EOF' || firewall_restart=true
+config redirect
+ option name ssh
+ option src wan
+ option src_dport 22
+ option dest_ip 192.168.1.2
+ option dest lan
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 192.168.1.3
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 2222
-# for https
config redirect
- option src wan
+ option src wan
option src_dport 443
- option dest lan
+ option dest lan
option dest_ip 192.168.1.2
option proto tcp
-
config rule
option src wan
option target ACCEPT
option dest_port 443
option proto tcp
-
config redirect
- option src wan
+ option src wan
option src_dport 80
- option dest lan
+ option dest lan
option dest_ip 192.168.1.2
option proto tcp
-
config rule
option src wan
option target ACCEPT
option dest_port 80
option proto tcp
+
+config redirect
+ option name syncthing
+ option src wan
+ option src_dport 22001
+ option dest_ip 192.168.1.2
+ option dest lan
+config rule
+ option src wan
+ option target ACCEPT
+ option dest_port 22001
+
EOF
+
+
dnsmasq_restart=false
-cedit /etc/hosts <<EOF || dnsmasq_restart=true
+v cedit /etc/hosts <<EOF || dnsmasq_restart=true
192.168.1.1 wrt
-192.168.1.2 treetowl
+192.168.1.2 treetowl mail.iankelling.org faiserver $HOME_DOMAIN
192.168.1.3 frodo
192.168.1.4 htpc
-192.168.1.5 x2 faiserver
-192.168.1.6 testvm
+192.168.1.5 x2
+192.168.1.6 demohost
+#192.168.1.7 faiserver
192.168.1.8 tp
72.14.176.105 li
+45.33.9.11 lj
+138.68.10.24 dopub
+# 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
+# avoid using the dns servers that my isp tells me about.
+if [[ $(uci get dhcp.@dnsmasq[0].resolvfile) ]]; then
+ # default is '/tmp/resolv.conf.auto', we switch to the dnsmasq default of
+ # /etc/resolv.conf
+ v uci delete dhcp.@dnsmasq[0].resolvfile
+ uci commit dhcp
+ dnsmasq_restart=true
+fi
+
# useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
-cedit /etc/dnsmasq.conf <<'EOF' || dnsmasq_restart=true
+# 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
############ updating dns servers ###################3
-# 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
# this says the ip of default gateway and dns server,
# in a browsing session, I probably won't ever do 5000 lookups
# before the ttl expiration or whatever does expiration.
cache-size=10000
+
+# ask all servers, use the one which responds first.
# http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
all-servers
-# namebench showed 4 servers fairly close ranking:
-# qwest
-server=205.171.3.65
-server=205.171.2.25
-# clearwire anchorage
-server=64.13.115.12
-# comcast spokane
-server=68.87.69.146
+
+# namebench benchmarks dns servers. google's dns was only
+# slightly less fast than some others, and I trust it more
+# to give accurate results, stay relatively fast, and
+# not do anythin too malicious, so just use that.
+# 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
-# NTT
-server=129.250.35.250
-# isp servers
-server=75.75.76.76
-server=75.75.75.75
-
+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>
-dhcp-host=f4:6d:04:02:ee:eb,192.168.1.2,treetowl
-dhcp-host=00:26:18:97:bb:16,192.168.1.3,frodo
-dhcp-host=10:78:d2:da:29:22,192.168.1.4,htpc
-dhcp-host=00:1f:16:16:39:24,192.168.1.5,x2
+# default dhcp range is 100-150
+dhcp-host=f4:6d:04:02:ed:66,set:treetowl,192.168.1.2,treetowl
+dhcp-host=00:26:18:97:bb:16,set:frodo,192.168.1.3,frodo
+dhcp-host=10:78:d2:da:29:22,set:htpc,192.168.1.4,htpc
+dhcp-host=00:1f:16:16:39:24,set:x2,192.168.1.5,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,192.168.1.6,demohost
-dhcp-host=52:54:00:56:09:f9,192.168.1.7,faiserver
-dhcp-host=80:fa:5b:1c:6e:cf,192.168.1.8,tp
+dhcp-host=52:54:00:9c:ef:ad,set:demohost,192.168.1.6,demohost
+#dhcp-host=52:54:00:56:09:f9,set:faiserver,192.168.1.7,faiserver
+dhcp-host=80:fa:5b:1c:6e:cf,set:tp,192.168.1.8,tp
+# 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,192.168.1.251,switch9429ca
# template
# dhcp-host=,192.168.1.,
+
+# 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
EOF
if $dnsmasq_restart; then
v /etc/init.d/dnsmasq restart
fi
+
+if $firewall_restart; then
+ v /etc/init.d/firewall restart
+fi