78 lines
3.0 KiB
Groff
78 lines
3.0 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_UNRESTRICTED_AUTH 3 "17 Jun 2014" libcurl libcurl
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.SH NAME
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CURLOPT_UNRESTRICTED_AUTH \- send credentials to other hosts too
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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_UNRESTRICTED_AUTH,
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long goahead);
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.SH DESCRIPTION
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Set the long \fIgohead\fP parameter to 1L to make libcurl continue to send
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authentication (user+password) credentials when following locations, even when
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hostname changed. This option is meaningful only when setting
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\fICURLOPT_FOLLOWLOCATION(3)\fP.
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Further, when this option is not used or set to \fB0L\fP, libcurl does not
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send custom nor internally generated Authentication: headers on requests done
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to other hosts than the one used for the initial URL.
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By default, libcurl only sends credentials and Authentication headers to the
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initial host name as given in the original URL, to avoid leaking username +
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password to other sites.
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This option should be used with caution: when curl follows redirects it
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blindly fetches the next URL as instructed by the server. Setting
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\fICURLOPT_UNRESTRICTED_AUTH(3)\fP to 1L therefore also makes curl trust the
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server and sends possibly sensitive credentials to any host the server points
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out. And then maybe again and again as the following hosts can keep
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redirecting to new hosts.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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HTTP
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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_FOLLOWLOCATION, 1L);
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curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 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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Along with HTTP
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.SH RETURN VALUE
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Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_FOLLOWLOCATION (3),
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.BR CURLOPT_USERPWD (3),
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.BR CURLOPT_MAXREDIRS (3),
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.BR CURLOPT_REDIR_PROTOCOLS_STR (3),
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.BR CURLINFO_REDIRECT_COUNT (3)
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