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Diffstat (limited to 'docs/libcurl/opts/GNURLOPT_DOH_URL.3')
| -rw-r--r-- | docs/libcurl/opts/GNURLOPT_DOH_URL.3 | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/docs/libcurl/opts/GNURLOPT_DOH_URL.3 b/docs/libcurl/opts/GNURLOPT_DOH_URL.3 new file mode 100644 index 000000000..1a463044c --- /dev/null +++ b/docs/libcurl/opts/GNURLOPT_DOH_URL.3 @@ -0,0 +1,71 @@ +.\" ************************************************************************** +.\" * _ _ ____ _ +.\" * Project ___| | | | _ \| | +.\" * / __| | | | |_) | | +.\" * | (__| |_| | _ <| |___ +.\" * \___|\___/|_| \_\_____| +.\" * +.\" * Copyright (C) 2018, Daniel Stenberg, <daniel@haxx.se>, et al. +.\" * +.\" * This software is licensed as described in the file COPYING, which +.\" * you should have received as part of this distribution. The terms +.\" * are also available at https://curl.haxx.se/docs/copyright.html. +.\" * +.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell +.\" * copies of the Software, and permit persons to whom the Software is +.\" * furnished to do so, under the terms of the COPYING file. +.\" * +.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +.\" * KIND, either express or implied. +.\" * +.\" ************************************************************************** +.\" +.TH GNURLOPT_DOH_URL 3 "18 Jun 2018" "libcurl 7.62.0" "curl_easy_setopt options" +.SH NAME +CURLOPT_DOH_URL \- provide the DNS-over-HTTPS URL +.SH SYNOPSIS +#include <gnurl/curl.h> + +CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DOH_URL, char *URL); +.SH DESCRIPTION +Pass in a pointer to a \fIURL\fP for the DOH server to use for name +resolving. The parameter should be a char * to a zero terminated string which +must be URL-encoded in the following format: "https://host:port/path". It MUST +specify a HTTPS URL. + +libcurl doesn't validate the syntax or use this variable until the transfer is +issued. Even if you set a crazy value here, \fIcurl_easy_setopt(3)\fP will +still return \fICURLE_OK\fP. + +curl sends POST requests to the given DNS-over-HTTPS URL. + +To find the DOH server itself, which might be specified using a name, libcurl +will use the default name lookup function. You can bootstrap that by providing +the address for the DOH server with \fICURLOPT_RESOLVE(3)\fP. + +Disable DOH use again by setting this option to NULL. +.SH DEFAULT +NULL - there is no default DOH URL. If this option isn't set, libcurl will use +the default name resolver. +.SH PROTOCOLS +All +.SH EXAMPLE +.nf +CURL *curl = curl_easy_init(); +if(curl) { + curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); + curl_easy_setopt(curl, CURLOPT_DOH_URL, "https://dns.example.com"); + curl_easy_perform(curl); +} +.fi +.SH AVAILABILITY +Added in 7.62.0 +.SH RETURN VALUE +Returns CURLE_OK on success or CURLE_OUT_OF_MEMORY if there was insufficient +heap space. + +Note that \fIcurl_easy_setopt(3)\fP won't actually parse the given string so +given a bad DOH URL, curl will not detect a problem until it tries to resolve +a name with it. +.SH "SEE ALSO" +.BR CURLOPT_VERBOSE "(3), " CURLOPT_RESOLVE "(3), " |