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72 lines
2.8 KiB
72 lines
2.8 KiB
4 months ago
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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 - 2017, 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 "May 31, 2017" "libcurl 7.73.0" "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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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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struct curl_tlssessioninfo *tls;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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curl_easy_getinfo(curl, CURLINFO_TLS_SESSION, &tls);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.34.0, and supported OpenSSL, GnuTLS, NSS and gskit only up until
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7.48.0 was released.
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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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