Authen::SASL::Perl::GSSAPI5.12 man page on MacOSX

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Authen::SASL::Perl::GSUser(Contributed Perl DocumAuthen::SASL::Perl::GSSAPI(3)

NAME
       Authen::SASL::Perl::GSSAPI - GSSAPI (Kerberosv5) Authentication class

SYNOPSIS
	 use Authen::SASL qw(Perl);

	 $sasl = Authen::SASL->new( mechanism => 'GSSAPI' );

	 $sasl = Authen::SASL->new( mechanism => 'GSSAPI',
				    callback => { pass => $mycred });

	 $sasl->client_start( $service, $host );

DESCRIPTION
       This method implements the client part of the GSSAPI SASL algorithm, as
       described in RFC 2222 section 7.2.1 resp.
       draft-ietf-sasl-gssapi-XX.txt.

       With a valid Kerberos 5 credentials cache (aka TGT) it allows to
       connect to service@host given as the first two parameters to
       Authen::SASL's client_start() method.  Alternatively, a GSSAPI::Cred
       object can be passed in via the Authen::SASL callback hash using the
       `pass' key.

       Please note that this module does not currently implement a SASL
       security layer following authentication. Unless the connection is
       protected by other means, such as TLS, it will be vulnerable to man-in-
       the-middle attacks. If security layers are required, then the
       Authen::SASL::XS GSSAPI module should be used instead.

   CALLBACK
       The callbacks used are:

       authname
	   The authorization identity to be used in SASL exchange

       gssmech
	   The GSS mechanism to be used in the connection

       pass
	   The GSS credentials to be used in the connection (optional)

EXAMPLE
	#! /usr/bin/perl -w

	use strict;

	use Net::LDAP 0.33;
	use Authen::SASL 2.10;

	# -------- Adjust to your environment --------
	my $adhost	= 'theserver.bla.net';
	my $ldap_base	= 'dc=bla,dc=net';
	my $ldap_filter = '(&(sAMAccountName=BLAAGROL))';

	my $sasl = Authen::SASL->new(mechanism => 'GSSAPI');
	my $ldap;

	eval {
	    $ldap = Net::LDAP->new($adhost,
				   onerror => 'die')
	      or  die "Cannot connect to LDAP host '$adhost': '$@'";
	    $ldap->bind(sasl => $sasl);
	};

	if ($@) {
	    chomp $@;
	    die	  "\nBind error		: $@",
		  "\nDetailed SASL error: ", $sasl->error,
		  "\nTerminated";
	}

	print "\nLDAP bind() succeeded, working in authenticated state";

	my $mesg = $ldap->search(base	=> $ldap_base,
				 filter => $ldap_filter);

	# -------- evaluate $mesg

   PROPERTIES
       The properties used are:

       maxbuf
	   The maximum buffer size for receiving cipher text

       minssf
	   The minimum SSF value that should be provided by the SASL security
	   layer.  The default is 0

       maxssf
	   The maximum SSF value that should be provided by the SASL security
	   layer.  The default is 2**31

       externalssf
	   The SSF value provided by an underlying external security layer.
	   The default is 0

       ssf The actual SSF value provided by the SASL security layer after the
	   SASL authentication phase has been completed. This value is read-
	   only and set by the implementation after the SASL authentication
	   phase has been completed.

       maxout
	   The maximum plaintext buffer size for sending data to the peer.
	   This value is set by the implementation after the SASL
	   authentication phase has been completed and a SASL security layer
	   is in effect.

SEE ALSO
       Authen::SASL, Authen::SASL::Perl

AUTHORS
       Written by Simon Wilkinson, with patches and extensions by Achim Grolms
       and Peter Marschall.

       Please report any bugs, or post any suggestions, to the perl-ldap
       mailing list <perl-ldap@perl.org>

COPYRIGHT
       Copyright (c) 2006 Simon Wilkinson, Achim Grolms and Peter Marschall.
       All rights reserved. This program is free software; you can
       redistribute it and/or modify it under the same terms as Perl itself.

perl v5.12.5			  2010-03-11	 Authen::SASL::Perl::GSSAPI(3)
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