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CURLINFO_HTTPAUTH_AVAIL(3)                           curl_easy_getinfo options

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

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 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.

SEE ALSO

curl_easy_getinfo(3), curl_easy_setopt(3), libcurl 7.65.1 October 7, 2017 CURLINFO_HTTPAUTH_AVAIL(3)

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