libmicrohttpd demo

/* This file is part of libmicrohttpd Copyright (C) 2008 Christian Grothoff (and other contributing authors) 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 */ #include "platform.h" #include #ifdef _WIN32 #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN 1 #endif /* !WIN32_LEAN_AND_MEAN */ #include #endif #define PAGE "libmicrohttpd demolibmicrohttpd demo" #define DENIED "Access deniedAccess denied" static int 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 **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; int ret; char *user; char *pass; int fail; (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 != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ /* require: "Aladdin" with password "open sesame" */ pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (NULL == user) || (0 != strcmp (user, "Aladdin")) || (0 != strcmp (pass, "open sesame") ) ); if (fail) { response = MHD_create_response_from_buffer (strlen (DENIED), (void *) DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection,"TestRealm",response); } else { response = MHD_create_response_from_buffer (strlen (me), (void *) me, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } if (NULL != user) MHD_free (user); if (NULL != pass) MHD_free (pass); 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)) || (UINT16_MAX < 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, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, 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; }