1e9a538e05
For both IPv4 and IPv6 addresses. Now also checks IPv6 addresses "correctly" and not with string comparisons. Split out the noproxy checks and functionality into noproxy.c Added unit test 1614 to verify checking functions. Reported-by: Mathieu Carbonneaux Fixes #9773 Fixes #5745 Closes #9775
86 lines
3.3 KiB
Groff
86 lines
3.3 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 - 2022, 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_NOPROXY 3 "19 Jun 2014" "libcurl 7.37.0" "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, "ample.com" would match ample.com, ample.com:80,
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and www.ample.com, but not www.example.com or ample.com.org.
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If the name in the \fInoproxy\fP list has a leading period, it is a domain
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match against the provided host name. This way ".example.com" will switch off
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proxy use for both "www.example.com" as well as for "foo.example.com".
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Setting the \fInoproxy\fP string to "" (an empty string) will explicitly
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enable the proxy for all host names, even if there is an environment variable
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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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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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