conf/91732: [patch] 800.loginfail: fix log message grep expression

[Christian Marg]

The following reply was made to PR conf/91732; it has been noted by GNATS.

From: Christian Marg <marg at rz.tu-clausthal.de>
To: bug-followup at FreeBSD.org, doconnor at gsoft.com.au
Cc:  
Subject: Re: conf/91732: [patch] 800.loginfail: fix log message grep expression
Date: Thu, 26 May 2011 10:30:34 +0200

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 Hello,
 
 this problem is still unresolved in 8.2-RELEASE. For example I see many=20
 "ANON ftp: Login successful." log messages from my ProFTPD, just because =
 
 the host name of the client contains the word "kabel-badenwuerttemberg.de=
 ".
 
 I have a minor correction to Alan Amesbury's patch, which assumes that=20
 there always is a space following the word the expression checks for.=20
 I'd rather use "\b" to check for word boundaries. See the patch in my=20
 attachment. It also finds lines with "auth.*error" in them.
 
 bye
 Christian
 --=20
 Christian Marg                 mail  : mailto:marg at rz.tu-clausthal.de
 Rechenzentrum TU Clausthal     web   : http://www.tu-clausthal.de
 D-38678 Clausthal-Zellerfeld   fon   : 05323/72-2626
 Germany                        jabber: ifcma at jabber.tu-clausthal.de
 
 --------------020303040004040106000607
 Content-Type: text/plain;
  name="loginfail.patch.txt"
 Content-Transfer-Encoding: quoted-printable
 Content-Disposition: attachment;
  filename="loginfail.patch.txt"
 
 --- 800.loginfail-orig  2011-03-03 10:28:00.000000000 +0100
 +++ 800.loginfail 2011-05-26 10:13:04.000000000 +0200
 @@ -59,7 +59,7 @@
      [Yy][Ee][Ss])
         echo ""
         echo "${host} login failures:"
 -       n=3D$(catmsgs | egrep -ia "^$yesterday.*: .*(fail|invalid|bad|ill=
 egal)" |
 +       n=3D$(catmsgs | egrep -ia "^$yesterday.*: .*\b(fail(ures?|ed)?|in=
 valid|bad|illegal|auth.*error)\b" |
             tee /dev/stderr | wc -l)
         [ $n -gt 0 ] && rc=3D1 || rc=3D0;;
      *) rc=3D0;;
 
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