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# $Id: Milter.pm,v 1.29 2006/03/22 15:48:23 tvierling Exp $ |
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# |
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# Copyright (c) 2002-2006 Todd Vierling |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# |
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# 1. Redistributions of source code must retain the above copyright notice, |
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# this list of conditions and the following disclaimer. |
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# |
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# 2. Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# |
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# 3. Neither the name of the author nor the names of contributors may be used |
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# to endorse or promote products derived from this software without specific |
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# prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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package Mail::Milter; |
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use 5.006; |
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use strict; |
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use warnings; |
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use Carp; |
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use Symbol; |
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use UNIVERSAL; |
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our $VERSION = '0.07'; |
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# internal function to resolve a callback from name to coderef |
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sub resolve_callback ($$) { |
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my $cb = shift; |
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my $pkg = shift; |
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unless (UNIVERSAL::isa($cb, 'CODE')) { |
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my $cbref = qualify_to_ref($cb, $pkg); |
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croak "callback points to nonexistent sub ${pkg}::${cb}" unless exists(&$cbref); |
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$cb = \&$cb; |
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} |
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$cb; |
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} |
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1; |
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__END__ |