grep '^[^:]*dns[^:]*:' /afs/club/service/etc/passwd.service >> /etc/passwd.system
/afs/club/system/scripts/sh/passwd-update.sh

# This sets up a default tinydns (authoritative DNS server) service.  The 
# daemon will run as user tinydns, and logs will be owned by dnslog.  Files for
# the service will go in /var/tinydns.  The daemon will listen on «primary-ip».
tinydns-conf tinydns dnslog /var/tinydns «primary-ip»

# Prevent tinydns from starting until later in the boot sequence.
touch /var/tinydns/down
# Tell supervise about tinydns.
ln -s /var/tinydns /etc/service/tinydns

# Setup cron jobs for syncing the database:
ln -sf /var/rsync/dns /afs/club.cc.cmu.edu/service/dns
crontab -e -u rsync
# Add the following (if it isn't already there), without the '#':
# 55 *            * * *   /afs/club.cc.cmu.edu/system/scripts/sh/rsync-dns.sh

# And do an initial run of the script to populate the rsynced copy:
su rsync -c 'cd && /afs/club.cc.cmu.edu/system/scripts/sh/rsync-dns.sh'

mkdir /var/tinydns/tmp
crontab -e
# Add the following (if it isn't already there), without the '#':
# 00 *            * * *   cd /var/tinydns/tmp && /afs/club.cc.cmu.edu/system/scripts/sh/dnsupdate.sh

# And do an initial run of the script to create the initial data.cdb:
(cd /var/tinydns/tmp && /afs/club.cc.cmu.edu/system/scripts/sh/dnsupdate.sh)

# This sets up a default axfrdns (zone transfer/TCP DNS server) service.  The 
# daemon will run as user axfrdns, and logs will be owned by dnslog.  Files for
# the service will go in /var/axfrdns.  The daemon will chroot to /var/tinydns/root,
# where the database is located.  The daemon will listen on «primary-ip».
axfrdns-conf axfrdns dnslog /var/axfrdns /var/tinydns «primary-ip»

# Change to default-allow (TBD: maybe we want to restrict AXFR?):
echo :allow > /var/axfrdns/tcp
tcprules /var/axfrdns/tcp.cdb /var/axfrdns/tcp.cdb.tmp < /var/axfrdns/tcp

# Prevent axfrdns from starting until later in the boot sequence.
touch /var/axfrdns/down
# Tell supervise about axfrdns.
ln -s /var/axfrdns /etc/service/axfrdns

# This sets up a default dnscache (caching resolver) service.  The daemon will
# run as user dnscache, and logs will be owned by dnslog.  Files for the 
# service will go in /var/dnscache.  The daemon will listen on «secondary-ip».
dnscache-conf dnscache dnslog /var/dnscache «secondary-ip»

# Increase the cache size.
echo 64000000 > /var/dnscache/env/CACHESIZE
echo 70000000 > /var/dnscache/env/DATALIMIT
# Enable the CVE-2008-4392 fix.
echo 1 > /var/dnscache/env/MERGEQUERIES

# Prevent dnscache from starting until later in the boot sequence.
touch /var/dnscache/down
# Tell supervise about dnscache.
ln -s /var/dnscache /etc/service/dnscache

# Open the resolver up to CMU networks.
touch /var/dnscache/root/ip/128.2
touch /var/dnscache/root/ip/128.237

# Forward instead of doing recursive resolution.
echo 1 > /var/dnscache/env/FORWARDONLY
# To the Andrew DNS resolvers (IPs are correct as of 09 Feb 2014).
cat > /var/dnscache/root/servers/@ << END
128.2.1.10
128.2.1.11
END

# Fastpath .club.cc.cmu.edu and .cmucc.org to the local tinydns/axfrdns servers.
# *Only* do this if the machine is in fact running tinydns and axfrdns!
echo «primary-ip» > /var/dnscache/root/servers/club.cc.cmu.edu
echo «primary-ip» > /var/dnscache/root/servers/cmucc.org

## If the machine is not running tinydns/axfrdns, make it contact the
## authoritative club DNS servers for things in the club domains (IPs are
## correct as of 09 Feb 2014).
# cat > /var/dnscache/root/servers/club.cc.cmu.edu << END
# 128.237.157.11
# 128.237.157.13
# 128.2.204.149
# END
# cp /var/dnscache/root/servers/club.cc.cmu.edu /var/dnscache/root/servers/cmucc.org

# Or a third alternative is to not create club.cc.cmu.edu and cmucc.org files.
# That means the dnscache will need to contact andrew to resolve local names.

svinitd-create tinydns axfrdns dnscache > /etc/init.d/dbndns
sed -i -e '/^svinitd/{' -e 'x' -e 's/./&/' -e 'x' -e 't' -e 'h' -e "i\\" -e 'unset INIT_VERSION' -e '}' /etc/init.d/dbndns
chmod a+x /etc/init.d/dbndns
update-rc.d dbndns defaults