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iwhois: add some improvements (thanks gall0ws) 

patch from gall0ws:

> It's impossible to get whois right and probably nobody cares about it,
> nevertheless this small patch fixes some issues with the current version:
>
> * use a more common filter for default boilerplate (useful when
>   following the referral chain)
> * updated boilerplate for *.co.uk *.net.uk *.org.uk
> * added case *.com *.net (got it from iana.org)
> * use ARIN for IPv6 addresses
> * when unsure, check first whether whois.nic.$tld exists otherwise
>   usual fallback to InterNIC
> * fixed regexp for the referral chain (case, extra spaces or /)

- add usage handling.

--
cinap
cinap_lenrek 2021-05-09 15:19:05 +02:00
parent 7048f1ca11
commit 014197f8d3
1 changed files with 20 additions and 10 deletions
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30
rc/bin/iwhois
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@ -1,13 +1,17 @@
#!/bin/rc
# iwhois [-n] domain - print registration data for domain
# print registration data for domain
rfork e
noboiler=()
if (! ~ $#* 0 && ~ $1 -n){
if (~ $1 -n){
noboiler=yes
shift
}
if (~ $#* 0 || ~ $1 -*) {
echo 'iwhois [-n] domain' >[1=2]
exit usage
}
person=`{echo $1|sed s/@.*//}
fn boilerplate { sed -n '/^[ ]*[A-Za-z][A-Za-z]*:$/,$p' $* }
fn boilerplate { sed '/>>> ?Last update of ..... database:/,$d' $* }
switch($1){
case *@*
@ -20,7 +24,7 @@ case *.us
fn boilerplate { sed '/^>* Whois database was last updated on/,$d' $* }
case *.co.uk *.net.uk *.org.uk
machine=whois.nic.uk
fn boilerplate { sed '/^ +WHOIS database last updated at/,$d' $* }
fn boilerplate { sed '/^-- /,$d' $* }
case *.ac.uk
machine=whois.ja.net
case *.au
@ -30,6 +34,8 @@ case *.be
machine=whois.dns.be
person='-T dn '^$person
fn boilerplate { cat $* }
case *.com *.net
machine=whois.verisign-grs.com
case *.cn
machine=whois.cnnic.net.cn
fn boilerplate { cat $* }
@ -55,16 +61,20 @@ case *.jp
fn boilerplate { cat $* }
case *.org
machine=whois.pir.org
fn boilerplate { sed '/^>>> Last update of WHOIS database/,$d' $* }
case *.se
machine=whois.nic-se.se
fn boilerplate { grep -v '^#' $* | uniq }
case [0-9]*.[0-9]*.[0-9]*.[0-9]*
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 $* }
tld=`{echo $1 | sed 's;.*\.(.*)$;\1;'}
if(ndb/dnsgetip whois.nic.$tld >/dev/null >[2=1])
machine=whois.nic.$tld
if not{
machine=whois.internic.net # alternate: whois.networksolutions.com
fn boilerplate { cat $* }
}
}
if(! ~ $#noboiler 0)
fn boilerplate { cat $* }
@ -73,8 +83,8 @@ 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 }
x=`{ tr A-Z a-z < $file | sed -n -e 's;.*whois server: ([^ /]+).*$;\1;p' \
-e 's;.*referralserver: +whois://(.*)(:43)?;\1;p'}
switch($#x){
case 0
; # e.g., for .ca