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The two options are almost the same, except in the case of OpenSSL: CURLINFO_TLS_SESSION OpenSSL session internals is SSL_CTX *. CURLINFO_TLS_SSL_PTR OpenSSL session internals is SSL *. For backwards compatibility we couldn't modify CURLINFO_TLS_SESSION to return an SSL pointer for OpenSSL. Also, add support for the 'internals' member to point to SSL object for the other backends axTLS, PolarSSL, Secure Channel, Secure Transport and wolfSSL. Bug: https://github.com/curl/curl/issues/234 Reported-by: dkjjr89@users.noreply.github.com Bug: https://curl.haxx.se/mail/lib-2015-09/0127.html Reported-by: Michael König
60 lines
2.4 KiB
Groff
60 lines
2.4 KiB
Groff
.\" **************************************************************************
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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 - 2015, 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 https://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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.\" **************************************************************************
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.\"
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.TH CURLINFO_TLS_SESSION 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
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.SH NAME
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CURLINFO_TLS_SESSION \- get TLS session info
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_TLS_SESSION,
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struct curl_tlssessioninfo **session);
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.SH DESCRIPTION
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\fBThis option has been superseded\fP by \fICURLINFO_TLS_SSL_PTR(3)\fP which
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was added in 7.48.0. The only reason you would use this option instead is if
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you could be using a version of libcurl earlier than 7.48.0.
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This option is exactly the same as \fICURLINFO_TLS_SSL_PTR(3)\fP except in the
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case of OpenSSL. If the session \fIbackend\fP is CURLSSLBACKEND_OPENSSL the
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session \fIinternals\fP pointer varies depending on the option:
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CURLINFO_TLS_SESSION OpenSSL session \fIinternals\fP is SSL_CTX *.
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CURLINFO_TLS_SSL_PTR OpenSSL session \fIinternals\fP is SSL *.
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You can obtain an SSL_CTX pointer from an SSL pointer using OpenSSL function
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SSL_get_SSL_CTX. Therefore unless you need compatibility with older versions of
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libcurl use \fICURLINFO_TLS_SSL_PTR(3)\fP. Refer to that document for more
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information.
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.SH PROTOCOLS
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All TLS-based
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Added in 7.34.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
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.BR CURLINFO_TLS_SSL_PTR "(3), "
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