From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <16cb46287d02e72db4f9dc496c6ac6e0@9netics.com>
To: 9fans@9fans.net
Date: Fri, 24 Sep 2010 14:27:34 -0700
From: Skip Tavakkolian <9nut@9netics.com>
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Subject: Re: [9fans] smtpd integration with spamhaus
Topicbox-Message-UUID: 5a1e9d24-ead6-11e9-9d60-3106f5b1d025

oops!  wasn't finished yet.  i guess i'm getting the hang of "publish
early and often"

it should be easy, as my unfinished shell is showing.  i'm not sure if
i understand the behavior of spammers function when the output is
piped to another program.  any ideas?

> has anyone noodled the idea? spamhaus provides a dns server that
> that can identify if an ip address is a known spammer[1]. i was thinking
> either directly in /sys/src/cmd/upas/smtp/spam.c or through a cs like
> program (parsing binary in shell?)
>
>
> cpue% whatis spammers
> fn spammers {@ {for(i in `{callers}){echo `{revip $i}^.zen.spamhaus.org ip}}|>[2]/dev/null aux/rdwr /net.alt/dns}
> cpue% whatis callers
> fn callers {netstat -n /net.alt|awk '$5 == "25" && $NF ~ /.*\..*\..*\./  {print $NF}'}
> cpue% whatis revip
> fn revip {@ {ifs=(.^'
>        ');i=`{echo $1};echo $i(4)^.^$i(3)^.^$i(2)^.^$i(1)}}
> cpue% spammers | grep 127
> cpue% spammers | sed 10q
> >
> cpue% spammers
> >
> >
> > 5.174.83.189.zen.spamhaus.org ip      127.0.0.11