75 lines
2.6 KiB
Groff
75 lines
2.6 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 CURLOPT_DOH_SSL_VERIFYSTATUS 3 "11 Feb 2021" libcurl libcurl
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.SH NAME
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CURLOPT_DOH_SSL_VERIFYSTATUS \- verify the DoH SSL certificate's status
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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_DOH_SSL_VERIFYSTATUS,
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long verify);
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.fi
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.SH DESCRIPTION
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Pass a long as parameter set to 1 to enable or 0 to disable.
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This option determines whether libcurl verifies the status of the DoH
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(DNS-over-HTTPS) server cert using the "Certificate Status Request" TLS
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extension (aka. OCSP stapling).
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This option is the DoH equivalent of \fICURLOPT_SSL_VERIFYSTATUS(3)\fP and
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only affects requests to the DoH server.
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If this option is enabled and the server does not support the TLS extension,
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the verification fails.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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DoH
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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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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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curl_easy_setopt(curl, CURLOPT_DOH_URL, "https://cloudflare-dns.com/dns-query");
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/* Ask for OCSP stapling when verifying the DoH server */
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curl_easy_setopt(curl, CURLOPT_DOH_SSL_VERIFYSTATUS, 1L);
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curl_easy_perform(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.76.0. This option is currently only supported by the OpenSSL, and
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GnuTLS TLS backends.
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.SH RETURN VALUE
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Returns CURLE_OK if OCSP stapling is supported by the SSL backend, otherwise
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returns CURLE_NOT_BUILT_IN.
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.SH "SEE ALSO"
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.BR CURLOPT_DOH_SSL_VERIFYHOST (3),
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.BR CURLOPT_DOH_SSL_VERIFYPEER (3),
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.BR CURLOPT_SSL_VERIFYSTATUS (3)
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