CURLOPT_REFERER

Section: curl_easy_setopt options (3)
Updated: February 19, 2021
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NAME

CURLOPT_REFERER - set the HTTP referer header  

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REFERER, char *where);  

DESCRIPTION

Pass a pointer to a null-terminated string as parameter. It will be used to set the Referer: header in the http request sent to the remote server. This can be used to fool servers or scripts. You can also set any custom header with CURLOPT_HTTPHEADER(3).

The application does not have to keep the string around after setting this option.  

DEFAULT

NULL  

PROTOCOLS

HTTP  

EXAMPLE

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

  /* tell it where we found the link to this place */
  curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.com/aboutme.html");

  curl_easy_perform(curl);
}
 

AVAILABILITY

If built with HTTP support  

RETURN VALUE

Returns CURLE_OK if HTTP support is enabled, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.  

SEE ALSO

CURLOPT_USERAGENT(3), CURLOPT_HTTPHEADER(3), CURLINFO_REFERER(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
DEFAULT
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO