CURLINFO_HTTPAUTH_AVAIL - get available HTTP authentication methods
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTPAUTH_AVAIL, long *authp);
curl_easy_getinfo options CURLINFO_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, "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 RFC2617 in 7.10.8 Added RFC7616 in 7.57.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
if not.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
+---------------+------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+------------------+
|Availability | web/curl |
+---------------+------------------+
|Stability | Uncommitted |
+---------------+------------------+
SEE ALSO
curl_easy_getinfo(3), curl_easy_setopt(3),
NOTES
Source code for open source software components in Oracle Solaris can
be found at https://www.oracle.com/downloads/opensource/solaris-source-
code-downloads.html.
This software was built from source available at
https://github.com/oracle/solaris-userland. The original community
source was downloaded from https://curl.se/down-
load/curl-7.83.1.tar.bz2.
Further information about this software can be found on the open source
community website at http://curl.haxx.se/.
libcurl 7.83.1 November 26, 2021
CURLINFO_HTTPAUTH_AVAIL(3)