#!/bin/rc
# iwhois [-n] domain - print registration data for domain
rfork e
if (~ $#* 1 && ~ $1 -n)
	noboiler=yes
person=`{echo $1|sed s/@.*//}
fn boilerplate { sed -n '/^[	 ]*[A-Za-z][A-Za-z]*:$/,$p' $* }

switch($1){
case *@*
	machine=`{echo $1|sed s/.*@//}
case *.ca
	machine=whois.cira.ca
	fn boilerplate { grep -v ':[	 ]*$' $* }
case *.us
	machine=whois.nic.us
	fn boilerplate { sed '/^>* Whois database was last updated on/,$d' $* }
case *.co.uk *.net.uk *.org.uk
	machine=whois.nic.uk
	fn boilerplate { sed '/^ +WHOIS database last updated at/,$d' $* }
case *.ac.uk
	machine=whois.ja.net
case *.au
	machine=whois.aunic.net
	fn boilerplate { grep -v ':[	 ]*$' $* }
case *.be
	machine=whois.dns.be
	person='-T dn '^$person
	fn boilerplate { cat $* }
case *.cn
	machine=whois.cnnic.net.cn
	fn boilerplate { cat $* }
case *.de
	machine=whois.denic.de
	person='-T dn '^$person
	fn boilerplate { cat $* }
case *.dk
	machine=whois.dk-hostmaster.dk
	fn boilerplate { grep -v '^#' $* }
case *.es
	echo no known whois server for .es
	exit
case *.fr
	machine=whois.nic.fr
	fn boilerplate { grep -v '^%%' $* }
case *.in
	machine=whois.inregistry.net
	fn boilerplate { cat $* }
case *.jp
	machine=whois.jprs.jp
	person=$person^'/e'
	fn boilerplate { cat $* }
case *.se
	machine=whois.nic-se.se
	fn boilerplate { grep -v '^#' $* | uniq }
case [0-9]*.[0-9]*.[0-9]*.[0-9]*
	machine=whois.arin.net
	fn boilerplate { cat $* }
case *
	machine=whois.internic.net	# alternate: whois.networksolutions.com
	fn boilerplate { cat $* }
}
if (~ $noboiler yes)
	fn boilerplate { cat $* }
file=/tmp/iwhois$pid
fn sigexit {
	rm -f $file
}
echo $person | telnet -nr tcp!$machine!whois > $file
x=`{ sed -n -e 's/.*Whois Server: (.*)/\1/p' \
	-e 's;.*ReferralServer: whois://(.*)(:43)?;\1;p' $file }
switch($#x){
case 0
	;			# e.g., for .ca
case 1
	# chase the referral chain
	echo $person | telnet -nr tcp!$x!whois > $file
case *
#	echo $0: buggery: `{echo $x | tr ' ' '\12' | sort -u} >[1=2]
	echo $person | telnet -nr tcp!^$x(1)^!whois > $file
}
if (test ! -s $file) {
	echo $0: broken whois server tcp!$x!whois returned no data >[1=2]
	exit broken
}
boilerplate $file
rm $file