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wakaba |
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#!/usr/bin/perl |
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=head1 NAME |
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verify.pl --- Sample script of Message::* Perl Modules |
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--- Verifying signed message with GnuPG |
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=cut |
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use strict; |
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use vars qw($VERSION); |
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$VERSION=do{my @r=(q$Revision: 1.10 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
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use Message::Entity; |
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use Getopt::Long; |
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my $gpg_path = 'gpg'; |
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my $tmp_path = './'; |
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GetOptions ( |
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'--gpg-path=s' => \$gpg_path, |
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'--temp-dir=s' => \$tmp_path, |
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) or die; |
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my $msg; |
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{ |
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binmode STDIN; |
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local $/ = undef; |
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$msg = Message::Entity->parse (<STDIN>, -linebreak_strict => 0); |
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} |
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die "This message is not signed" unless $msg->media_type eq 'multipart/signed'; |
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my $protocol = lc $msg->header->field ('content-type')->item ('protocol'); |
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die "Protocol $protocol is not supported" unless $protocol eq 'application/pgp-signature'; |
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my $body = $msg->body->data_part (-parse => 0); |
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my $signature = $msg->body->control_part; |
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die "Media type of signature (@{[scalar $signature->media_type]}) does not match with $protocol" unless $signature->media_type eq 'application/pgp-signature'; |
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open MSG, ">$tmp_path.signedmsg.tmp"; |
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binmode MSG; |
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print MSG $body; |
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close MSG; |
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open SIG, ">$tmp_path.signature.tmp"; |
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binmode SIG; |
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print SIG $signature->body; |
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close SIG; |
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print `$gpg_path --verify --batch $tmp_path.signature.tmp $tmp_path.signedmsg.tmp`; |
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`rm $tmp_path.signature.tmp $tmp_path.signedmsg.tmp`; |
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=head1 LICENSE |
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Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; see the file COPYING. If not, write to |
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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=head1 CHANGE |
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See F<ChangeLog>. |
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$Date: 2002/07/20 03:11:47 $ |
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=cut |
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### verify.pl ends here |
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