NAME

CURLINFO_PROXYAUTH_USED - get used HTTP proxy authentication method

SYNOPSIS

#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROXYAUTH_USED, long *authp);

DESCRIPTION

Pass a pointer to a long to receive a bitmask indicating the authentication method that was used in the previous request done over an HTTP proxy. The meaning of the possible bits is explained in the CURLOPT_HTTPAUTH(3) option for curl_easy_setopt(3).

The returned value has zero or one bit set.

PROTOCOLS

This functionality affects http only

EXAMPLE

int main(void)
{


  CURL *curl = curl_easy_init();


  if(curl) {


    CURLcode res;


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


    curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy.example.com");


    curl_easy_setopt(curl, CURLOPT_PROXYAUTH,


                     CURLAUTH_BASIC | CURLAUTH_DIGEST);


    curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, "shrek");


    curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, "swamp");


    res = curl_easy_perform(curl);


    if(!res) {


      long auth;


      res = curl_easy_getinfo(curl, CURLINFO_PROXYAUTH_USED, &auth);


      if(!res) {


        if(!auth)


          printf("No auth used\n");


        else {


          if(auth == CURLAUTH_DIGEST)


            printf("Used Digest proxy authentication\n");


          else


            printf("Used Basic proxy authentication\n");


        }


      }


    }


    curl_easy_cleanup(curl);


  }
}

AVAILABILITY

Added in curl 8.12.0

RETURN VALUE

curl_easy_getinfo(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).

SEE ALSO

CURLINFO_HTTPAUTH_USED(3), CURLINFO_PROXYAUTH_AVAIL(3), CURLOPT_HTTPAUTH(3)