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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" imap_ssl_cert \- connects to an IMAP server using SSL and saves the server certificate into a .pem file .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 3 \& imap_ssl_cert \-H imap.server.com > server_ca_file.pem \& imap_ssl_cert \-? \& imap_ssl_cert \-\-help .Ve .SH "DEPENDENCIES" .IX Header "DEPENDENCIES" This utility requires the following perl modules to be installed: .PP Getopt::Long Mail::IMAPClient IO::Socket::SSL Net::SSLeay .SH "OPTIONS" .IX Header "OPTIONS" .IP "\-\-timeout " 4 .IX Item "--timeout " Abort with critical status if it takes longer than to connect to the \s-1IMAP\s0 server. Default is 60 seconds. The difference between timeout and critical is that, with the default settings, if it takes 45 seconds to connect to the server then the connection will succeed but the plugin will return \s-1CRITICAL\s0 because it took longer than 30 seconds. Also known as: \-t .IP "\-\-hostname " 4 .IX Item "--hostname " Address or name of the \s-1IMAP\s0 server. Examples: mail.server.com, localhost, 192.168.1.100 Also known as: \-H .IP "\-\-port " 4 .IX Item "--port " Service port on the \s-1IMAP\s0 server. Default is 143. If you use \s-1SSL,\s0 default is 993. Also known as: \-p .IP "\-\-verbose" 4 .IX Item "--verbose" Display additional information. Useful for troubleshooting. .Sp Also known as: \-v .IP "\-\-version" 4 .IX Item "--version" Display plugin version and exit. Also known as: \-V .IP "\-\-help" 4 .IX Item "--help" Display this documentation and exit. Also known as: \-h .IP "\-\-usage" 4 .IX Item "--usage" Display a short usage instruction and exit. .SH "EXAMPLES" .IX Header "EXAMPLES" .SS "Print the server's \s-1SSL\s0 certificate chain" .IX Subsection "Print the server's SSL certificate chain" .Vb 2 \& $ perl imap_ssl_cert.pl \-H imap.server.com > ca_file.pem \& $ cat ca_file.pem \& \& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\- \& MIID1zCCAr+gAwIBAgIQPr3bVk0SkuXygjxgA7EVGDANBgkqhkiG9w0BAQUFADA8 \& [...snip...] \& 0FF4warjskrfqaVtWeIV58LJheaM4cPJkc2M \& \-\-\-\-\-END CERTIFICATE\-\-\-\-\- \& \& $ openssl x509 \-in ca_file.pem \-text .Ve .SH "SEE ALSO" .IX Header "SEE ALSO" http://en.wikipedia.org/wiki/X.509 http://en.wikipedia.org/wiki/Privacy_Enhanced_Mail http://tools.ietf.org/html/rfc1422 http://search.cpan.org/~mikem/Net\-SSLeay\-1.42/lib/Net/SSLeay.pm http://search.cpan.org/~plobbes/Mail\-IMAPClient\-3.29/lib/Mail/IMAPClient.pod .SH "CHANGES" .IX Header "CHANGES" .Vb 2 \& Fri Nov 11 03:38:13 AST 2011 \& + version 0.1 .Ve .SH "AUTHOR" .IX Header "AUTHOR" Jonathan Buhacoff .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" .Vb 1 \& Copyright (C) 2011 Jonathan Buhacoff \& \& This program is free software; you can redistribute it and/or modify \& it under the terms of the GNU General Public License as published by \& the Free Software Foundation; either version 3 of the License, or \& (at your option) any later version. \& \& This program is distributed in the hope that it will be useful, \& but WITHOUT ANY WARRANTY; without even the implied warranty of \& MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \& GNU General Public License for more details. \& \& You should have received a copy of the GNU General Public License \& along with this program. If not, see . \& \& http://www.gnu.org/licenses/gpl.txt .Ve