Net::SSLeay::Handle(3pm) User Contributed Perl Documentation Net::SSLeay::Handle(3pm) NAME Net::SSLeay::Handle - Perl module that lets SSL (HTTPS) sockets be handled as standard file handles. SYNOPSIS use Net::SSLeay::Handle qw/shutdown/; my ($host, $port) = ("localhost", 443); tie(*SSL, "Net::SSLeay::Handle", $host, $port); print SSL "GET / HTTP/1.0\r\n"; shutdown(\*SSL, 1); print while (<SSL>); close SSL; DESCRIPTION Net::SSLeay::Handle allows you to request and receive HTTPS web pages using "old-fashion" file handles as in: print SSL "GET / HTTP/1.0\r\n"; and print while (<SSL>); If you export the shutdown routine, then the only extra code that you need to add to your program is the tie function as in: my $socket; if ($scheme eq "https") { tie(*S2, "Net::SSLeay::Handle", $host, $port); $socket = \*S2; else { $socket = Net::SSLeay::Handle->make_socket($host, $port); } print $socket $request_headers; ... FUNCTIONS shutdown shutdown(\*SOCKET, $mode) Calls to the main shutdown() don't work with tied sockets created with this module. This shutdown should be able to distinquish between tied and untied sockets and do the right thing. debug my $debug = Net::SSLeay::Handle->debug() Net::SSLeay::Handle->debug(1) Get/set debugging mode. Always returns the debug value before the function call. if an additional argument is given the debug option will be set to this value. make_socket my $sock = Net::SSLeay::Handle->make_socket($host, $port); Creates a socket that is connected to $post using $port. It uses $Net::SSLeay::proxyhost and proxyport if set and authentificates itself against this proxy depending on $Net::SSLeay::proxyauth. It also turns autoflush on for the created socket. USING EXISTING SOCKETS One of the motivations for writing this module was to avoid duplicating socket creation code (which is mostly error handling). The calls to tie() above where it is passed a $host and $port is provided for convenience testing. If you already have a socket connected to the right host and port, S1, then you can do something like: my $socket \*S1; if ($scheme eq "https") { tie(*S2, "Net::SSLeay::Handle", $socket); $socket = \*S2; } my $last_sel = select($socket); $| = 1; select($last_sel); print $socket $request_headers; ... Note: As far as I know you must be careful with the globs in the tie() function. The first parameter must be a glob (*SOMETHING) and the last parameter must be a reference to a glob (\*SOMETHING_ELSE) or a scaler that was assigned to a reference to a glob (as in the example above) Also, the two globs must be different. When I tried to use the same glob, I got a core dump. EXPORT None by default. You can export the shutdown() function. It is suggested that you do export shutdown() or use the fully qualified Net::SSLeay::Handle::shutdown() function to shutdown SSL sockets. It should be smart enough to distinguish between SSL and non-SSL sockets and do the right thing. EXAMPLES use Net::SSLeay::Handle qw/shutdown/; my ($host, $port) = ("localhost", 443); tie(*SSL, "Net::SSLeay::Handle", $host, $port); print SSL "GET / HTTP/1.0\r\n"; shutdown(\*SSL, 1); print while (<SSL>); close SSL; TODO Better error handling. Callback routine? CAVEATS Tying to a file handle is a little tricky (for me at least). The first parameter to tie() must be a glob (*SOMETHING) and the last parameter must be a reference to a glob (\*SOMETHING_ELSE) or a scaler that was assigned to a reference to a glob ($s = \*SOMETHING_ELSE). Also, the two globs must be different. When I tried to use the same glob, I got a core dump. I was able to associate attributes to globs created by this module (like *SSL above) by making a hash of hashes keyed by the file head1. CHANGES Please see Net-SSLeay-Handle-0.50/Changes file. BUGS If you encounter a problem with this module that you believe is a bug, please create a new issue <https://github.com/radiator-software/p5-net-ssleay/issues/new> in the Net-SSLeay GitHub repository. Please make sure your bug report includes the following information: o the code you are trying to run; o your operating system name and version; o the output of "perl -V"; o the version of OpenSSL or LibreSSL you are using. AUTHOR Originally written by Jim Bowlin. Maintained by Sampo Kellomaki between July 2001 and August 2003. Maintained by Florian Ragwitz between November 2005 and January 2010. Maintained by Mike McCauley between November 2005 and June 2018. Maintained by Chris Novakovic, Tuure Vartiainen and Heikki Vatiainen since June 2018. COPYRIGHT Copyright (c) 2001 Jim Bowlin <jbowlin AT linklint.org> Copyright (c) 2001-2003 Sampo Kellomaki <sampo AT iki.fi> Copyright (c) 2005-2010 Florian Ragwitz <rafl AT debian.org> Copyright (c) 2005-2018 Mike McCauley <mikem AT airspayce.com> Copyright (c) 2018- Chris Novakovic <chris AT chrisn.uk> Copyright (c) 2018- Tuure Vartiainen <vartiait AT radiatorsoftware.com> Copyright (c) 2018- Heikki Vatiainen <hvn AT radiatorsoftware.com> All rights reserved. LICENSE This module is released under the terms of the Artistic License 2.0. For details, see the "LICENSE" file distributed with Net-SSLeay's source code. SEE ALSO Net::SSLeay, perl(1), http://openssl.org/ perl v5.34.0 2022-03-22 Net::SSLeay::Handle(3pm)
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