Date: Wed, 11 Apr 2007 15:28:43 -0500 (CDT) From: rubin@physics.umn.edu To: FreeBSD-gnats-submit@FreeBSD.org Subject: ports/111491: net-snmp's bulkwalk perl call is broken Message-ID: <200704112028.l3BKShcc004500@mrmachenry.spa.umn.edu> Resent-Message-ID: <200704112110.l3BLA2RB009787@freefall.freebsd.org>
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>Number: 111491
>Category: ports
>Synopsis: net-snmp's bulkwalk perl call is broken
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Apr 11 21:10:02 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator: Alex Schumann
>Release: FreeBSD 6.1-RELEASE-p14 i386
>Organization:
UofMN Physics
>Environment:
System: FreeBSD hostname 6.1-RELEASE-p14 FreeBSD 6.1-RELEASE-p14 #15: Thu Feb 15 16:38:50 CST 2007 root@hostname:/usr/obj/usr/src/sys/PHYS i386
>Description:
When calling SNMP::bulkwalk via SNMP::Session, bulkwalk returns its own parameters (@_) instead of the results of the walk. This was fixed upstream several months ago, but I think a backport of the (simple) patch is warranted because bulkwalk is unusable in the current ports state.
>How-To-Repeat:
To reproduce, run the following perl script against an snmp capable switch:
#!/usr/local/bin/perl
#
use SNMP;
use Data::Dumper;
$s1 = new SNMP::Session (
'DestHost' => "some-switch",
'Community' => "public",
'Version' => "2c",
'UseNumeric' => 1,
'UseEnum' => 0,
'UseLongNames' => 1
);
die("Session failed") unless defined($s1);
$vars = new SNMP::VarList ( ['sysUpTime'], ['ifNumber'], # NON-repeaters
['ifSpeed'], ['ifDescr']); # Repeated variables.
@list = $s1->bulkwalk(2,16, $vars);
die("Failed to bulkwalk") unless ($s1->{ErrorNum} == 0);
# When the bug is hapning, This will fail with a
# runtime error because @list is not the array
# expected:
if(defined($list[0][0])) {
print $list[0][0]->tag . " \n";
}
else {
die("No list");
}
print "Done\n\n";
>Fix:
To fix, apply the simple patch committed to the net-snmp SVN Sep 8 2006 3:43:32 by hardaker
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp?view=rev&revision=15175
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/trunk/net-snmp/perl/SNMP/SNMP.xs?r1=15113&r2=15175&view=patch
I tested it here by applying to tho work directory for net-snmp-5.3.1_3, and it solved the problem.
Thanks for your time,
-Alex
>Release-Note:
>Audit-Trail:
>Unformatted:
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