CURLINFO_TLS_SESSION man page

## NAME

CURLINFO_TLS_SESSION - get TLS session info

## SYNOPSIS

    #include <curl/curl.h>

    CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_TLS_SESSION,
                               struct curl_tlssessioninfo **session);

## DESCRIPTION

This option has been superseded by CURLINFO_TLS_SSL_PTR which was added in 7.48.0. The only reason you would use this option instead is if you could be using a version of libcurl earlier than 7.48.0.

This option is exactly the same as CURLINFO_TLS_SSL_PTR except in the case of OpenSSL. If the session backend is CURLSSLBACKEND_OPENSSL the session internals pointer varies depending on the option:

CURLINFO_TLS_SESSION OpenSSL session internals is SSL_CTX *.

CURLINFO_TLS_SSL_PTR OpenSSL session internals is SSL *.

You can obtain an SSL_CTX pointer from an SSL pointer using OpenSSL function SSL_get_SSL_CTX. Therefore unless you need compatibility with older versions of libcurl use CURLINFO_TLS_SSL_PTR. Refer to that document for more information.

## PROTOCOLS

All TLS-based

## EXAMPLE

TODO

## AVAILABILITY

Added in 7.34.0, and supported OpenSSL, GnuTLS, NSS and gskit only up until 7.48.0 was released.

## RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

## SEE ALSO

curl_easy_getinfo (3), curl_easy_setopt (3), CURLINFO_TLS_SSL_PTR

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