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f98344c4ae
- remove the version numbers - simplify the texts The date and version number will be put there for releases when maketgz runs the updatemanpages.pl script. Closes #11029
87 lines
3.1 KiB
Groff
87 lines
3.1 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) 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_CERTINFO 3 "12 Sep 2015" "libcurl" "libcurl"
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.SH NAME
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CURLINFO_CERTINFO \- get the TLS certificate chain
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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_CERTINFO,
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struct curl_certinfo **chainp);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a \fIstruct curl_certinfo *\fP and you will get it set to
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point to a struct that holds a number of linked lists with info about the
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certificate chain, assuming you had \fICURLOPT_CERTINFO(3)\fP enabled when the
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request was made. The struct reports how many certs it found and then you can
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extract info for each of those certs by following the linked lists. The info
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chain is provided in a series of data in the format "name:content" where the
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content is for the specific named data. See also the \fIcertinfo.c\fP example.
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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 only working in libcurl built with OpenSSL, NSS, Schannel, GSKit
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or Secure Transport support. Schannel support added in 7.50.0. Secure Transport
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support added in 7.79.0.
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Added in 7.19.1
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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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