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+/*
+ This file is part of libmicrohttpd
+ Copyright (C) 2007, 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 refuse_post_example.c
+ * @brief example for how to refuse a POST request properly
+ * @author Christian Grothoff and Sebastian Gerhardt
+ */
+#include "platform.h"
+#include <microhttpd.h>
+
+const char *askpage = "<html><body>\n\
+ Upload a file, please!<br>\n\
+ <form action=\"/filepost\" method=\"post\" enctype=\"multipart/form-data\">\n\
+ <input name=\"file\" type=\"file\">\n\
+ <input type=\"submit\" value=\" Send \"></form>\n\
+ </body></html>";
+
+#define BUSYPAGE "<html><head><title>Webserver busy</title></head><body>We are too busy to process POSTs right now.</body></html>"
+
+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;
+
+ if ((0 != strcmp (method, "GET")) && (0 != strcmp (method, "POST")))
+ return MHD_NO; /* unexpected method */
+
+ if (&aptr != *ptr)
+ {
+ *ptr = &aptr;
+
+ /* always to busy for POST requests */
+ if (0 == strcmp (method, "POST"))
+ {
+ response = MHD_create_response_from_buffer (strlen (BUSYPAGE),
+ (void *) BUSYPAGE,
+ MHD_RESPMEM_PERSISTENT);
+ ret =
+ MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE,
+ response);
+ MHD_destroy_response (response);
+ return ret;
+ }
+ }
+
+ *ptr = NULL; /* reset when done */
+ response = MHD_create_response_from_buffer (strlen (me),
+ (void *) me,
+ MHD_RESPMEM_PERSISTENT);
+ ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+ MHD_destroy_response (response);
+ return ret;
+}
+
+int
+main (int argc, char *const *argv)
+{
+ struct MHD_Daemon *d;
+
+ if (argc != 2)
+ {
+ printf ("%s PORT\n", argv[0]);
+ return 1;
+ }
+ d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
+ atoi (argv[1]),
+ NULL, NULL, &ahc_echo, (void *) askpage,
+ MHD_OPTION_END);
+ if (d == NULL)
+ return 1;
+ (void) getc (stdin);
+ MHD_stop_daemon (d);
+ return 0;
+}
+
+/* end of refuse_post_example.c */