CURLOPT_DISALLOW_USERNAME_IN_URL(3) Introduction to Library Functions

NAME

CURLOPT_DISALLOW_USERNAME_IN_URL - disallow specifying username in
the URL

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DISALLOW_USERNAME_IN_URL,
long disallow);

DESCRIPTION

A long parameter set to 1 tells the library to not allow URLs that
include a username.

This is the equivalent to the CURLU_DISALLOW_USER flag for the
curl_url_set(3) function.

DEFAULT

0 (disabled)

PROTOCOLS

This functionality affects all supported protocols

EXAMPLE

int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {

curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
curl_easy_setopt(curl, CURLOPT_DISALLOW_USERNAME_IN_URL, 1L);

curl_easy_perform(curl);
}
}

AVAILABILITY

Added in curl 7.61.0

RETURN VALUE

curl_easy_setopt(3) returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error
occurred, see libcurl-errors(3).

curl_easy_perform(3) returns CURLE_LOGIN_DENIED if this option is
enabled and a URL containing a username is specified.

SEE ALSO

CURLOPT_PROTOCOLS_STR(3), CURLOPT_URL(3), curl_url_set(3),
libcurl-security(3)

libcurl 2026-01-08
CURLOPT_DISALLOW_USERNAME_IN_URL(3)