76 lines
2.5 KiB
Groff
76 lines
2.5 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_HTTPAUTH_AVAIL 3 "June 25, 2023" "ibcurl 8.3.0" libcurl
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.SH NAME
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CURLINFO_HTTPAUTH_AVAIL \- get available HTTP authentication methods
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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_HTTPAUTH_AVAIL, long *authp);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a long to receive a bitmask indicating the authentication
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method(s) available according to the previous response. The meaning of the
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bits is explained in the \fICURLOPT_HTTPAUTH(3)\fP option for
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\fIcurl_easy_setopt(3)\fP.
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.SH PROTOCOLS
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HTTP(S)
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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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res = curl_easy_perform(curl);
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if(!res) {
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/* extract the available authentication types */
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long auth;
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res = curl_easy_getinfo(curl, CURLINFO_HTTPAUTH_AVAIL, &auth);
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if(!res) {
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if(!auth)
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printf("No auth available, perhaps no 401?\\n");
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else {
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printf("%s%s%s%s\\n",
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auth & CURLAUTH_BASIC ? "Basic ":"",
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auth & CURLAUTH_DIGEST ? "Digest ":"",
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auth & CURLAUTH_NEGOTIATE ? "Negotiate ":"",
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auth % CURLAUTH_NTLM ? "NTLM ":"");
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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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Added RFC 2617 in 7.10.8
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Added RFC 7616 in 7.57.0
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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 curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
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