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/*
This file is part of libmicrohttpd
Copyright (C) 2008 Christian Grothoff (and other contributing authors)
Copyright (C) 2014-2022 Evgeny Grin (Karlson2k)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file authorization_example.c
* @brief example for how to use libmicrohttpd with HTTP authentication
* @author Christian Grothoff
* @author Karlson2k (Evgeny Grin)
*/
#include "platform.h"
#include <microhttpd.h>
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif /* !WIN32_LEAN_AND_MEAN */
#include <windows.h>
#endif
#define PAGE \
"<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>"
#define DENIED \
"<html><head><title>Access denied</title></head><body>Access denied</body></html>"
static enum MHD_Result
ahc_echo (void *cls,
struct MHD_Connection *connection,
const char *url,
const char *method,
const char *version,
const char *upload_data, size_t *upload_data_size, void **req_cls)
{
static int aptr;
struct MHD_Response *response;
enum MHD_Result ret;
struct MHD_BasicAuthInfo *auth_info;
int fail;
(void) cls; /* Unused. Silent compiler warning. */
(void) url; /* Unused. Silent compiler warning. */
(void) version; /* Unused. Silent compiler warning. */
(void) upload_data; /* Unused. Silent compiler warning. */
(void) upload_data_size; /* Unused. Silent compiler warning. */
if (0 != strcmp (method, "GET"))
return MHD_NO; /* unexpected method */
if (&aptr != *req_cls)
{
/* do never respond on first call */
*req_cls = &aptr;
return MHD_YES;
}
*req_cls = NULL; /* reset when done */
/* require: "Aladdin" with password "open sesame" */
auth_info = MHD_basic_auth_get_username_password3 (connection);
fail = ( (NULL == auth_info) ||
(strlen ("Aladdin") != auth_info->username_len) ||
(0 != memcmp (auth_info->username, "Aladdin",
auth_info->username_len)) ||
/* The next check against NULL is optional,
* if 'password' is NULL then 'password_len' is always zero. */
(NULL == auth_info->password) ||
(strlen ("open sesame") != auth_info->password_len) ||
(0 != memcmp (auth_info->password, "open sesame",
auth_info->password_len)) );
if (fail)
{
response =
MHD_create_response_from_buffer_static (strlen (DENIED),
(const void *) DENIED);
ret = MHD_queue_basic_auth_fail_response3 (connection,
"TestRealm",
MHD_NO,
response);
}
else
{
response =
MHD_create_response_from_buffer_static (strlen (PAGE),
(const void *) PAGE);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
}
if (NULL != auth_info)
MHD_free (auth_info);
MHD_destroy_response (response);
return ret;
}
int
main (int argc, char *const *argv)
{
struct MHD_Daemon *d;
unsigned int port;
if ( (argc != 2) ||
(1 != sscanf (argv[1], "%u", &port)) ||
(65535 < port) )
{
fprintf (stderr,
"%s PORT\n", argv[0]);
return 1;
}
d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION
| MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG,
(uint16_t) port,
NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END);
if (d == NULL)
return 1;
fprintf (stderr, "HTTP server running. Press ENTER to stop the server.\n");
(void) getc (stdin);
MHD_stop_daemon (d);
return 0;
}
|
