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| .TH CURLINFO_HTTPAUTH_AVAIL 3 "November 04, 2020" "libcurl 7.78.0" "curl_easy_getinfo options" |
| |
| .SH NAME |
| CURLINFO_HTTPAUTH_AVAIL \- get available HTTP authentication methods |
| .SH SYNOPSIS |
| #include <curl/curl.h> |
| |
| CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTPAUTH_AVAIL, long *authp); |
| .SH 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 \fICURLOPT_HTTPAUTH(3)\fP option for |
| \fIcurl_easy_setopt(3)\fP. |
| .SH PROTOCOLS |
| HTTP(S) |
| .SH EXAMPLE |
| .nf |
| 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); |
| } |
| .fi |
| .SH AVAILABILITY |
| Added RFC2617 in 7.10.8 |
| Added RFC7616 in 7.57.0 |
| .SH RETURN VALUE |
| Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. |
| .SH "SEE ALSO" |
| .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), " |
