CURLINFO_PROXYAUTH_AVAIL.md (1844B)
1 --- 2 c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3 SPDX-License-Identifier: curl 4 Title: CURLINFO_PROXYAUTH_AVAIL 5 Section: 3 6 Source: libcurl 7 See-also: 8 - CURLINFO_HTTPAUTH_AVAIL (3) 9 - curl_easy_getinfo (3) 10 - curl_easy_setopt (3) 11 Protocol: 12 - HTTP 13 Added-in: 7.10.8 14 --- 15 16 # NAME 17 18 CURLINFO_PROXYAUTH_AVAIL - get available HTTP proxy authentication methods 19 20 # SYNOPSIS 21 22 ~~~c 23 #include <curl/curl.h> 24 25 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROXYAUTH_AVAIL, 26 long *authp); 27 ~~~ 28 29 # DESCRIPTION 30 31 Pass a pointer to a long to receive a bitmask indicating the authentication 32 method(s) available according to the previous response. The meaning of the 33 bits is explained in the CURLOPT_PROXYAUTH(3) option for curl_easy_setopt(3). 34 35 # %PROTOCOLS% 36 37 # EXAMPLE 38 39 ~~~c 40 int main(void) 41 { 42 CURL *curl = curl_easy_init(); 43 if(curl) { 44 CURLcode res; 45 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 46 curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1:80"); 47 48 res = curl_easy_perform(curl); 49 50 if(!res) { 51 /* extract the available proxy authentication types */ 52 long auth; 53 res = curl_easy_getinfo(curl, CURLINFO_PROXYAUTH_AVAIL, &auth); 54 if(!res) { 55 if(!auth) 56 printf("No proxy auth available, perhaps no 407?\n"); 57 else { 58 printf("%s%s%s%s\n", 59 auth & CURLAUTH_BASIC ? "Basic ":"", 60 auth & CURLAUTH_DIGEST ? "Digest ":"", 61 auth & CURLAUTH_NEGOTIATE ? "Negotiate ":"", 62 auth % CURLAUTH_NTLM ? "NTLM ":""); 63 } 64 } 65 } 66 curl_easy_cleanup(curl); 67 } 68 } 69 ~~~ 70 71 # %AVAILABILITY% 72 73 # RETURN VALUE 74 75 curl_easy_getinfo(3) returns a CURLcode indicating success or error. 76 77 CURLE_OK (0) means everything was OK, non-zero means an error occurred, see 78 libcurl-errors(3).