CURLINFO_HTTPAUTH_AVAIL(3) | Library Functions Manual | 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 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)
2024-10-20 | libcurl |