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c4ab33370a
Went through CURLOPTTYPE_STRINGPOINT and CURLOPTTYPE_SLISTPOINT options and clarified: - what happens when setting the option *again* - setting to NULL disables/restores to default - libcurl does not copy the slist for options using a such Closes #14846
68 lines
1.4 KiB
Markdown
68 lines
1.4 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_HAPROXY_CLIENT_IP
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Section: 3
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Source: libcurl
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Protocol:
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- All
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See-also:
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- CURLOPT_HAPROXYPROTOCOL (3)
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- CURLOPT_PROXY (3)
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Added-in: 8.2.0
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---
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# NAME
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CURLOPT_HAPROXY_CLIENT_IP - set HAProxy PROXY protocol client IP
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HAPROXY_CLIENT_IP,
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char *client_ip);
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~~~
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# DESCRIPTION
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When this parameter is set to a valid IPv4 or IPv6 numerical address, the
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library sends this address as client address in the HAProxy PROXY protocol v1
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header at beginning of the connection.
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This option is an alternative to CURLOPT_HAPROXYPROTOCOL(3) as that one cannot
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use a specified address.
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Using this option multiple times makes the last set string override the
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previous ones. Set it to NULL to disable its use again.
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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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# DEFAULT
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NULL, no HAProxy header is sent
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode ret;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_HAPROXY_CLIENT_IP, "1.1.1.1");
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ret = curl_easy_perform(curl);
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}
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}
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~~~
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# %AVAILABILITY%
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# RETURN VALUE
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Returns CURLE_OK if HTTP is enabled, and CURLE_UNKNOWN_OPTION if not.
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