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This commit is contained in:
Christian Grothoff
2008-08-24 18:20:40 +00:00
parent 9181dd0a07
commit 337922f27f
2 changed files with 102 additions and 1 deletions
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src/examples/Makefile.am
+7 -1
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@@ -10,7 +10,8 @@ authorization_example \
minimal_example \
querystring_example \
fileserver_example \
fileserver_example_external_select
fileserver_example_external_select \
refuse_post_example
if ENABLE_HTTPS
noinst_PROGRAMS += https_server_example
@@ -26,6 +27,11 @@ authorization_example_SOURCES = \
authorization_example_LDADD = \
$(top_builddir)/src/daemon/libmicrohttpd.la
refuse_post_example_SOURCES = \
refuse_post_example.c
refuse_post_example_LDADD = \
$(top_builddir)/src/daemon/libmicrohttpd.la
querystring_example_SOURCES = \
querystring_example.c
querystring_example_LDADD = \
src/examples/refuse_post_example.c
+95
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@@ -0,0 +1,95 @@
/*
This file is part of libmicrohttpd
(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, unsigned int *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_data (strlen (BUSYPAGE),
(void *) BUSYPAGE, MHD_NO, MHD_NO);
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_data (strlen (me),
(void *) me, MHD_NO, MHD_NO);
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 != 3)
{
printf ("%s PORT SECONDS-TO-RUN\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;
sleep (atoi (argv[2]));
MHD_stop_daemon (d);
return 0;
}
/* end of refuse_post_example.c */