1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLOPT_HAPROXY_CLIENT_IP 5Section: 3 6Source: libcurl 7Protocol: 8 - All 9See-also: 10 - CURLOPT_HAPROXYPROTOCOL (3) 11 - CURLOPT_PROXY (3) 12--- 13 14# NAME 15 16CURLOPT_HAPROXY_CLIENT_IP - set HAProxy PROXY protocol client IP 17 18# SYNOPSIS 19 20~~~c 21#include <curl/curl.h> 22 23CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HAPROXY_CLIENT_IP, 24 char *client_ip); 25~~~ 26 27# DESCRIPTION 28 29When this parameter is set to a valid IPv4 or IPv6 numerical address, the 30library sends this address as client address in the HAProxy PROXY protocol v1 31header at beginning of the connection. 32 33This option is an alternative to CURLOPT_HAPROXYPROTOCOL(3) as that one 34cannot use a specified address. 35 36# DEFAULT 37 38NULL, no HAProxy header is sent 39 40# EXAMPLE 41 42~~~c 43int main(void) 44{ 45 CURL *curl = curl_easy_init(); 46 if(curl) { 47 CURLcode ret; 48 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); 49 curl_easy_setopt(curl, CURLOPT_HAPROXY_CLIENT_IP, "1.1.1.1"); 50 ret = curl_easy_perform(curl); 51 } 52} 53~~~ 54 55# AVAILABILITY 56 57Along with HTTP. Added in 8.2.0. 58 59# RETURN VALUE 60 61Returns CURLE_OK if HTTP is enabled, and CURLE_UNKNOWN_OPTION if not. 62