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59 lines
1.6 KiB
Groff
59 lines
1.6 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_HTTPAUTH_AVAIL.md
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.TH CURLINFO_HTTPAUTH_AVAIL 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_HTTPAUTH_AVAIL \- get available HTTP authentication methods
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTPAUTH_AVAIL, long *authp);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a long to receive a bitmask indicating the authentication
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method(s) available according to the previous response. The meaning of the
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bits is explained in the \fICURLOPT_HTTPAUTH(3)\fP option for
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\fIcurl_easy_setopt(3)\fP.
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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if(!res) {
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/* extract the available authentication types */
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long auth;
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res = curl_easy_getinfo(curl, CURLINFO_HTTPAUTH_AVAIL, &auth);
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if(!res) {
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if(!auth)
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printf("No auth available, perhaps no 401?\\n");
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else {
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printf("%s%s%s%s\\n",
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auth & CURLAUTH_BASIC ? "Basic ":"",
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auth & CURLAUTH_DIGEST ? "Digest ":"",
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auth & CURLAUTH_NEGOTIATE ? "Negotiate ":"",
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auth % CURLAUTH_NTLM ? "NTLM ":"");
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}
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}
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added RFC 2617 in 7.10.8
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Added RFC 7616 in 7.57.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLINFO_PROXYAUTH_AVAIL (3),
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.BR CURLOPT_HTTPAUTH (3),
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.BR curl_easy_getinfo (3),
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.BR curl_easy_setopt (3)
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