70 lines
2.4 KiB
Groff
70 lines
2.4 KiB
Groff
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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) 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.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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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLINFO_SSL_ENGINES 3 "1 Sep 2015" libcurl libcurl
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.SH NAME
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CURLINFO_SSL_ENGINES \- get an slist of OpenSSL crypto-engines
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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_SSL_ENGINES,
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struct curl_slist **engine_list);
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.fi
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.SH DESCRIPTION
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Pass the address of a 'struct curl_slist *' to receive a linked-list of
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OpenSSL crypto-engines supported. Note that engines are normally implemented
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in separate dynamic libraries. Hence not all the returned engines may be
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available at runtime. \fBNOTE:\fP you must call \fIcurl_slist_free_all(3)\fP
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on the list pointer once you are done with it, as libcurl does not free this
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data for you.
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.SH PROTOCOLS
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All TLS based ones.
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.SH EXAMPLE
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.nf
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int main(void)
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{
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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_slist *engines;
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res = curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);
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if((res == CURLE_OK) && engines) {
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/* we have a list, free it when done using it */
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curl_slist_free_all(engines);
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.12.3. Available in OpenSSL builds with "engine" support.
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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),
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.BR curl_easy_setopt (3),
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.BR CURLOPT_SSLENGINE (3)
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