CURLOPT_SOCKS5_AUTH

Section: curl_easy_setopt options (3)
Updated: November 04, 2020
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NAME

CURLOPT_SOCKS5_AUTH - set allowed methods for SOCKS5 proxy authentication

SYNOPSIS

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKS5_AUTH, long bitmask);

DESCRIPTION

Pass a long as parameter, which is set to a bitmask, to tell libcurl which authentication method(s) are allowed for SOCKS5 proxy authentication. The only supported flags are CURLAUTH_BASIC, which allows username/password authentication, CURLAUTH_GSSAPI, which allows GSS-API authentication, and CURLAUTH_NONE, which allows no authentication. Set the actual user name and password with the CURLOPT_PROXYUSERPWD(3) option.

DEFAULT

CURLAUTH_BASIC|CURLAUTH_GSSAPI

PROTOCOLS

All

EXAMPLE

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

  /* request to use a SOCKS5 proxy */
  curl_easy_setopt(curl, CURLOPT_PROXY, "socks5://user:pass@myproxy.com");

  /* enable username/password authentication only */
  curl_easy_setopt(curl, CURLOPT_SOCKS5_AUTH, CURLAUTH_BASIC);

  /* Perform the request */
  curl_easy_perform(curl);
}

AVAILABILITY

Added in 7.55.0

RETURN VALUE

Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_NOT_BUILT_IN if the bitmask contains unsupported flags.