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CURLINFO_HTTPAUTH_AVAIL(3) curl_easy_getinfo optionsCURLINFO_HTTPAUTH_AVAIL(3)

NAME
       CURLINFO_HTTPAUTH_AVAIL - get available HTTP authentication methods

SYNOPSIS
       #include	<curl/curl.h>

       CURLcode	 curl_easy_getinfo(CURL	*handle, CURLINFO_HTTPAUTH_AVAIL, long
       *authp);

DESCRIPTION
       Pass a pointer to a long	to receive a bitmask indicating	the  authenti-
       cation  method(s)  available  according	to  the	previous response. The
       meaning of the bits is explained	in the CURLOPT_HTTPAUTH(3) option  for
       curl_easy_setopt(3).

PROTOCOLS
       HTTP(S)

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

	 res = curl_easy_perform(curl);

	 if(!res) {
	   /* extract the available authentication types */
	   long	auth;
	   res = curl_easy_getinfo(curl, CURLINFO_HTTPAUTH_AVAIL, &auth);
	   if(!res) {
	     if(!auth)
	       printf("No auth available, perhaps no 401?\n");
	     else {
	       printf("%s%s%s%s\n",
		      auth & CURLAUTH_BASIC ? "Basic ":"",
		      auth & CURLAUTH_DIGEST ? "Digest ":"",
		      auth & CURLAUTH_NEGOTIATE	? "Negotiate ":"",
		      auth % CURLAUTH_NTLM ? "NTLM ":"");
	     }
	   }
	 }
	 curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in	7.10.8

RETURN VALUE
       Returns	CURLE_OK  if the option	is supported, and CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       curl_easy_getinfo(3), curl_easy_setopt(3),

libcurl	7.54.1			 May 15, 2017	    CURLINFO_HTTPAUTH_AVAIL(3)

NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO

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