Man page - curlinfo_httpauth_used(3)

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Manual

CURLINFO_HTTPAUTH_USED

NAME
SYNOPSIS
DESCRIPTION
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO

NAME

CURLINFO_HTTPAUTH_USED - get used HTTP authentication method

SYNOPSIS

#include <curl/curl.h>

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

DESCRIPTION

Pass a pointer to a long to receive a bitmask indicating the authentication method that was used in the previous HTTP request. 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_HTTPAUTH, CURLAUTH_BASIC | CURLAUTH_DIGEST);
curl_easy_setopt(curl, CURLOPT_USERNAME, "shrek");
curl_easy_setopt(curl, CURLOPT_PASSWORD, "swamp");

res = curl_easy_perform(curl);

if(!res) {
long auth;
res = curl_easy_getinfo(curl, CURLINFO_HTTPAUTH_USED, &auth);
if(!res) {
if(!auth)
printf("No auth used\n");
else {
if(auth == CURLAUTH_DIGEST)
printf("Used Digest authentication\n");
else
printf("Used Basic 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) .