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230bb3e278
Make all libcurl related options use .nf (no fill) for the SYNOPSIS section - for consistent look. roffit then renders that section using <pre> (monospace font) in html for the website. Extended manpage-syntax (test 1173) with a basic check for it. Closes #8062
82 lines
2.8 KiB
Groff
82 lines
2.8 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 - 2021, 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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.\" **************************************************************************
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.\"
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.TH CURLOPT_CERTINFO 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CERTINFO \- request SSL certificate information
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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_setopt(CURL *handle, CURLOPT_CERTINFO, long certinfo);
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.fi
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.SH DESCRIPTION
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Pass a long set to 1 to enable libcurl's certificate chain info gatherer. With
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this enabled, libcurl will extract lots of information and data about the
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certificates in the certificate chain used in the SSL connection. This data
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may then be retrieved after a transfer using \fIcurl_easy_getinfo(3)\fP and
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its option \fICURLINFO_CERTINFO(3)\fP.
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.SH DEFAULT
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0
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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_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
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/* connect to any HTTPS site, trusted or not */
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
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curl_easy_setopt(curl, CURLOPT_CERTINFO, 1L);
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res = curl_easy_perform(curl);
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if (!res) {
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struct curl_certinfo *ci;
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res = curl_easy_getinfo(curl, CURLINFO_CERTINFO, &ci);
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if (!res) {
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printf("%d certs!\\n", ci->num_of_certs);
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for(i = 0; i < ci->num_of_certs; i++) {
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struct curl_slist *slist;
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for(slist = ci->certinfo[i]; slist; slist = slist->next)
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printf("%s\\n", slist->data);
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}
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}
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}
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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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This option is supported by the OpenSSL, GnuTLS, Schannel, NSS, GSKit and
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Secure Transport backends. Schannel support added in 7.50.0. Secure Transport
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support added in 7.79.0.
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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 CURLOPT_CAINFO "(3), " CURLOPT_SSL_VERIFYPEER "(3), "
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