/*
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 https_fileserver_example.c
* @brief a simple HTTPS file server using TLS.
*
* Usage :
*
* 'http_fileserver_example HTTP-PORT SECONDS-TO-RUN'
*
* The certificate & key are required by the server to operate, Omitting the
* path arguments will cause the server to use the hard coded example certificate & key.
*
* 'certtool' may be used to generate these if required.
*
* @author Sagie Amir
*/
#include "platform.h"
#include <microhttpd.h>
#include <sys/stat.h>
#define BUF_SIZE 1024
#define MAX_URL_LEN 255
/* TODO remove if unused */
#define CAFILE "ca.pem"
#define CRLFILE "crl.pem"
#define EMPTY_PAGE "<html><head><title>File not found</title></head><body>File not found</body></html>"
/* Test Certificate */
const char cert_pem[] =
"-----BEGIN CERTIFICATE-----\n"
"MIICpjCCAZCgAwIBAgIESEPtjjALBgkqhkiG9w0BAQUwADAeFw0wODA2MDIxMjU0\n"
"MzhaFw0wOTA2MDIxMjU0NDZaMAAwggEfMAsGCSqGSIb3DQEBAQOCAQ4AMIIBCQKC\n"
"AQC03TyUvK5HmUAirRp067taIEO4bibh5nqolUoUdo/LeblMQV+qnrv/RNAMTx5X\n"
"fNLZ45/kbM9geF8qY0vsPyQvP4jumzK0LOJYuIwmHaUm9vbXnYieILiwCuTgjaud\n"
"3VkZDoQ9fteIo+6we9UTpVqZpxpbLulBMh/VsvX0cPJ1VFC7rT59o9hAUlFf9jX/\n"
"GmKdYI79MtgVx0OPBjmmSD6kicBBfmfgkO7bIGwlRtsIyMznxbHu6VuoX/eVxrTv\n"
"rmCwgEXLWRZ6ru8MQl5YfqeGXXRVwMeXU961KefbuvmEPccgCxm8FZ1C1cnDHFXh\n"
"siSgAzMBjC/b6KVhNQ4KnUdZAgMBAAGjLzAtMAwGA1UdEwEB/wQCMAAwHQYDVR0O\n"
"BBYEFJcUvpjvE5fF/yzUshkWDpdYiQh/MAsGCSqGSIb3DQEBBQOCAQEARP7eKSB2\n"
"RNd6XjEjK0SrxtoTnxS3nw9sfcS7/qD1+XHdObtDFqGNSjGYFB3Gpx8fpQhCXdoN\n"
"8QUs3/5ZVa5yjZMQewWBgz8kNbnbH40F2y81MHITxxCe1Y+qqHWwVaYLsiOTqj2/\n"
"0S3QjEJ9tvklmg7JX09HC4m5QRYfWBeQLD1u8ZjA1Sf1xJriomFVyRLI2VPO2bNe\n"
"JDMXWuP+8kMC7gEvUnJ7A92Y2yrhu3QI3bjPk8uSpHea19Q77tul1UVBJ5g+zpH3\n"
"OsF5p0MyaVf09GTzcLds5nE/osTdXGUyHJapWReVmPm3Zn6gqYlnzD99z+DPIgIV\n"
"RhZvQx74NQnS6g==\n" "-----END CERTIFICATE-----\n";
const char key_pem[] =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIIEowIBAAKCAQEAtN08lLyuR5lAIq0adOu7WiBDuG4m4eZ6qJVKFHaPy3m5TEFf\n"
"qp67/0TQDE8eV3zS2eOf5GzPYHhfKmNL7D8kLz+I7psytCziWLiMJh2lJvb2152I\n"
"niC4sArk4I2rnd1ZGQ6EPX7XiKPusHvVE6VamacaWy7pQTIf1bL19HDydVRQu60+\n"
"faPYQFJRX/Y1/xpinWCO/TLYFcdDjwY5pkg+pInAQX5n4JDu2yBsJUbbCMjM58Wx\n"
"7ulbqF/3lca0765gsIBFy1kWeq7vDEJeWH6nhl10VcDHl1PetSnn27r5hD3HIAsZ\n"
"vBWdQtXJwxxV4bIkoAMzAYwv2+ilYTUOCp1HWQIDAQABAoIBAArOQv3R7gmqDspj\n"
"lDaTFOz0C4e70QfjGMX0sWnakYnDGn6DU19iv3GnX1S072ejtgc9kcJ4e8VUO79R\n"
"EmqpdRR7k8dJr3RTUCyjzf/C+qiCzcmhCFYGN3KRHA6MeEnkvRuBogX4i5EG1k5l\n"
"/5t+YBTZBnqXKWlzQLKoUAiMLPg0eRWh+6q7H4N7kdWWBmTpako7TEqpIwuEnPGx\n"
"u3EPuTR+LN6lF55WBePbCHccUHUQaXuav18NuDkcJmCiMArK9SKb+h0RqLD6oMI/\n"
"dKD6n8cZXeMBkK+C8U/K0sN2hFHACsu30b9XfdnljgP9v+BP8GhnB0nCB6tNBCPo\n"
"32srOwECgYEAxWh3iBT4lWqL6bZavVbnhmvtif4nHv2t2/hOs/CAq8iLAw0oWGZc\n"
"+JEZTUDMvFRlulr0kcaWra+4fN3OmJnjeuFXZq52lfMgXBIKBmoSaZpIh2aDY1Rd\n"
"RbEse7nQl9hTEPmYspiXLGtnAXW7HuWqVfFFP3ya8rUS3t4d07Hig8ECgYEA6ou6\n"
"OHiBRTbtDqLIv8NghARc/AqwNWgEc9PelCPe5bdCOLBEyFjqKiT2MttnSSUc2Zob\n"
"XhYkHC6zN1Mlq30N0e3Q61YK9LxMdU1vsluXxNq2rfK1Scb1oOlOOtlbV3zA3VRF\n"
"hV3t1nOA9tFmUrwZi0CUMWJE/zbPAyhwWotKyZkCgYEAh0kFicPdbABdrCglXVae\n"
"SnfSjVwYkVuGd5Ze0WADvjYsVkYBHTvhgRNnRJMg+/vWz3Sf4Ps4rgUbqK8Vc20b\n"
"AU5G6H6tlCvPRGm0ZxrwTWDHTcuKRVs+pJE8C/qWoklE/AAhjluWVoGwUMbPGuiH\n"
"6Gf1bgHF6oj/Sq7rv/VLZ8ECgYBeq7ml05YyLuJutuwa4yzQ/MXfghzv4aVyb0F3\n"
"QCdXR6o2IYgR6jnSewrZKlA9aPqFJrwHNR6sNXlnSmt5Fcf/RWO/qgJQGLUv3+rG\n"
"7kuLTNDR05azSdiZc7J89ID3Bkb+z2YkV+6JUiPq/Ei1+nDBEXb/m+/HqALU/nyj\n"
"P3gXeQKBgBusb8Rbd+KgxSA0hwY6aoRTPRt8LNvXdsB9vRcKKHUFQvxUWiUSS+L9\n"
"/Qu1sJbrUquKOHqksV5wCnWnAKyJNJlhHuBToqQTgKXjuNmVdYSe631saiI7PHyC\n"
"eRJ6DxULPxABytJrYCRrNqmXi5TCiqR2mtfalEMOPxz8rUU8dYyx\n"
"-----END RSA PRIVATE KEY-----\n";
static ssize_t
file_reader (void *cls, uint64_t pos, char *buf, size_t max)
{
FILE *file = cls;
(void) fseek (file, pos, SEEK_SET);
return fread (buf, 1, max, file);
}
static void
file_free_callback (void *cls)
{
FILE *file = cls;
fclose (file);
}
/* HTTP access handler call back */
static int
http_ahc (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;
struct MHD_Response *response;
int ret;
FILE *file;
int fd;
struct stat buf;
(void)cls; /* 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, MHD_HTTP_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 */
file = fopen (&url[1], "rb");
if (NULL != file)
{
fd = fileno (file);
if (-1 == fd)
{
(void) fclose (file);
return MHD_NO; /* internal error */
}
if ( (0 != fstat (fd, &buf)) ||
(! S_ISREG (buf.st_mode)) )
{
/* not a regular file, refuse to serve */
fclose (file);
file = NULL;
}
}
if (NULL == file)
{
response = MHD_create_response_from_buffer (strlen (EMPTY_PAGE),
(void *) EMPTY_PAGE,
MHD_RESPMEM_PERSISTENT);
ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response);
MHD_destroy_response (response);
}
else
{
response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k PAGE_NOT_FOUND size */
&file_reader, file,
&file_free_callback);
if (NULL == response)
{
fclose (file);
return 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 *TLS_daemon;
int port;
if (argc != 2)
{
printf ("%s PORT\n", argv[0]);
return 1;
}
port = atoi (argv[1]);
if ( (1 > port) ||
(port > UINT16_MAX) )
{
fprintf (stderr,
"Port must be a number between 1 and 65535\n");
return 1;
}
TLS_daemon =
MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG |
MHD_USE_TLS,
(uint16_t) port,
NULL, NULL,
&http_ahc, NULL,
MHD_OPTION_CONNECTION_TIMEOUT, 256,
MHD_OPTION_HTTPS_MEM_KEY, key_pem,
MHD_OPTION_HTTPS_MEM_CERT, cert_pem,
MHD_OPTION_END);
if (NULL == TLS_daemon)
{
fprintf (stderr, "Error: failed to start TLS_daemon\n");
return 1;
}
printf ("MHD daemon listening on port %u\n",
(unsigned int) port);
(void) getc (stdin);
MHD_stop_daemon (TLS_daemon);
return 0;
}