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89 строки
3.4 KiB
Groff
89 строки
3.4 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) 1998 - 2021, 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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.\" **************************************************************************
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.\"
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.TH CURLOPT_NOPROXY 3 "November 26, 2021" "libcurl 7.83.1" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_NOPROXY \- disable proxy use for specific hosts
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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_NOPROXY, char *noproxy);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a null-terminated string. The string consists of a comma
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separated list of host names that do not require a proxy to get reached, even
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if one is specified. The only wildcard available is a single * character,
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which matches all hosts, and effectively disables the proxy. Each name in this
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list is matched as either a domain which contains the hostname, or the
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hostname itself. For example, example.com would match example.com,
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example.com:80, and www.example.com, but not www.notanexample.com or
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example.com.othertld.
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If the name in the noproxy list has a leading period, it is a domain match
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against the provided host name. This way ".example.com" will switch off proxy
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use for both "www.example.com" as well as for "foo.example.com".
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Setting the noproxy string to "" (an empty string) will explicitly enable the
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proxy for all host names, even if there is an environment variable set for it.
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Enter IPv6 numerical addresses in the list of host names without enclosing
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brackets:
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"example.com,::1,localhost"
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IPv6 numerical addresses are compared as strings, so they will only match if
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the representations are the same: "::1" is the same as "::0:1" but they do not
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match.
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The application does not have to keep the string around after setting this
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option.
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.SH "Environment variables"
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If there's an environment variable called \fBno_proxy\fP (or \fBNO_PROXY\fP),
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it will be used if the \fICURLOPT_NOPROXY(3)\fP option is not set. It works
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exactly the same way.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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Most
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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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/* accept various URLs */
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curl_easy_setopt(curl, CURLOPT_URL, input);
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/* use this proxy */
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curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy:80");
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/* ... but make sure this host name is not proxied */
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curl_easy_setopt(curl, CURLOPT_NOPROXY, "www.example.com");
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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 7.19.4
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
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.BR CURLOPT_PROXY "(3), " CURLOPT_PROXYAUTH "(3), "
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