CURLINFO_HTTPAUTH_AVAIL(3) Library Functions Manual
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
authentication 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
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");
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 curl 7.10.8
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
if not.
SEE ALSO
CURLINFO_PROXYAUTH_AVAIL(3), CURLOPT_HTTPAUTH(3), curl_easy_getinfo(3),
curl_easy_setopt(3)
libcurl 2024-08-05 CURLINFO_HTTPAUTH_AVAIL(3)
curl 8.9.1 - Generated Thu Aug 8 09:27:57 CDT 2024