104 lines
3.0 KiB
Perl
104 lines
3.0 KiB
Perl
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# $Id$
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#***************************************************************************
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package serverhelp;
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use strict;
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use warnings;
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use Exporter;
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#***************************************************************************
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# Global symbols allowed without explicit package name
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#
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use vars qw(
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@ISA
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@EXPORT_OK
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);
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#***************************************************************************
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# Inherit Exporter's capabilities
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#
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@ISA = qw(Exporter);
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#***************************************************************************
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# Global symbols this module will export upon request
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#
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@EXPORT_OK = qw(
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servername_id
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servername_str
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servername_canon
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);
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#***************************************************************************
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# Return server name string formatted for presentation purposes
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#
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sub servername_str {
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my ($proto, $ipver, $idnum) = @_;
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$proto = uc($proto) if($proto);
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die "unsupported protocol: $proto" unless($proto &&
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($proto =~ /^(((FTP|HTTP|IMAP|POP3|SMTP|TFTP)S?)|(SOCKS|SSH))$/));
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$ipver = (not $ipver) ? 'ipv4' : lc($ipver);
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die "unsupported IP version: $ipver" unless($ipver &&
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($ipver =~ /^(4|6|ipv4|ipv6|-ipv4|-ipv6)$/));
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$ipver = ($ipver =~ /6$/) ? '-IPv6' : '';
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$idnum = 1 if(not $idnum);
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die "unsupported ID number: $idnum" unless($idnum &&
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($idnum =~ /^(\d+)$/));
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$idnum = '' unless($idnum > 1);
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return "${proto}${idnum}${ipver}";
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}
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#***************************************************************************
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# Return server name string formatted for identification purposes
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#
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sub servername_id {
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my ($proto, $ipver, $idnum) = @_;
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return lc(servername_str($proto, $ipver, $idnum));
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}
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#***************************************************************************
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# Return server name string formatted for file name purposes
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#
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sub servername_canon {
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my ($proto, $ipver, $idnum) = @_;
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my $string = lc(servername_str($proto, $ipver, $idnum));
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$string =~ tr/-/_/;
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return $string;
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}
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#***************************************************************************
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# End of library
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1;
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