CURLOPT_SOCKS5_AUTH(3)

NAME
CURLOPT_SOCKS5_AUTH - methods for SOCKS5 proxy authentication

SYNOPSIS
#include <curl/curl.h>
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, (long)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.

SEE ALSO
CURLOPT_PROXY(3), CURLOPT_PROXYTYPE(3)