1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_PROXYAUTH_AVAIL 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_HTTPAUTH_AVAIL (3) 9 - curl_easy_getinfo (3) 10 - curl_easy_setopt (3) 11Protocol: 12 - HTTP 13--- 14 15# NAME 16 17CURLINFO_PROXYAUTH_AVAIL - get available HTTP proxy authentication methods 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROXYAUTH_AVAIL, 25 long *authp); 26~~~ 27 28# DESCRIPTION 29 30Pass a pointer to a long to receive a bitmask indicating the authentication 31method(s) available according to the previous response. The meaning of the 32bits is explained in the CURLOPT_PROXYAUTH(3) option for 33curl_easy_setopt(3). 34 35# EXAMPLE 36 37~~~c 38int main(void) 39{ 40 CURL *curl = curl_easy_init(); 41 if(curl) { 42 CURLcode res; 43 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 44 curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1:80"); 45 46 res = curl_easy_perform(curl); 47 48 if(!res) { 49 /* extract the available proxy authentication types */ 50 long auth; 51 res = curl_easy_getinfo(curl, CURLINFO_PROXYAUTH_AVAIL, &auth); 52 if(!res) { 53 if(!auth) 54 printf("No proxy auth available, perhaps no 407?\n"); 55 else { 56 printf("%s%s%s%s\n", 57 auth & CURLAUTH_BASIC ? "Basic ":"", 58 auth & CURLAUTH_DIGEST ? "Digest ":"", 59 auth & CURLAUTH_NEGOTIATE ? "Negotiate ":"", 60 auth % CURLAUTH_NTLM ? "NTLM ":""); 61 } 62 } 63 } 64 curl_easy_cleanup(curl); 65 } 66} 67~~~ 68 69# AVAILABILITY 70 71Added RFC 2617 in 7.10.8 72Added RFC 7616 in 7.57.0 73 74# RETURN VALUE 75 76Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 77