75 lines
2.3 KiB
Groff
75 lines
2.3 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_HSTSWRITEDATA 3 "14 Sep 2020" libcurl libcurl
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.SH NAME
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CURLOPT_HSTSWRITEDATA \- pointer passed to the HSTS write callback
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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_HSTSWRITEDATA, void *pointer);
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.fi
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.SH DESCRIPTION
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Data \fIpointer\fP to pass to the HSTS write function. If you use the
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\fICURLOPT_HSTSWRITEFUNCTION(3)\fP option, this is the pointer you get as
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input in the fourth argument to the callback.
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This option does not enable HSTS, you need to use \fICURLOPT_HSTS_CTRL(3)\fP to
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do that.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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This feature is only used for HTTP(S) transfer.
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.SH EXAMPLE
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.nf
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struct MyData {
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void *custom;
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};
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int main(void)
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{
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CURL *curl = curl_easy_init();
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struct MyData this;
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* pass pointer that gets passed in to the
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CURLOPT_HSTSWRITEFUNCTION callback */
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curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, &this);
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curl_easy_perform(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 7.74.0
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.SH RETURN VALUE
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This returns CURLE_OK.
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.SH "SEE ALSO"
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.BR CURLOPT_HSTS (3),
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.BR CURLOPT_HSTSREADDATA (3),
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.BR CURLOPT_HSTSREADFUNCTION (3),
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.BR CURLOPT_HSTSWRITEFUNCTION (3)
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