src/examples/https_fileserver_example.c - manifest_repos/libmicrohttpd - Git at Google

 /*
      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>
 #include <gnutls/gnutls.h>
 #include <gcrypt.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;
   struct stat buf;

   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 */

   if ( (0 == stat (&url[1], &buf)) &&
        (S_ISREG (buf.st_mode)) )
     file = fopen (&url[1], "rb");
   else
     file = NULL;
   if (file == NULL)
     {
       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 (response == NULL)
 	{
 	  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;

   if (argc == 2)
     {
       /* TODO check if this is truly necessary -  disallow usage of the blocking /dev/random */
       /* gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM, 0); */
       TLS_daemon =
         MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG |
                           MHD_USE_SSL, atoi (argv[1]), 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);
     }
   else
     {
       printf ("Usage: %s HTTP-PORT\n", argv[0]);
       return 1;
     }

   if (TLS_daemon == NULL)
     {
       fprintf (stderr, "Error: failed to start TLS_daemon\n");
       return 1;
     }
   else
     {
       printf ("MHD daemon listening on port %d\n", atoi (argv[1]));
     }

   (void) getc (stdin);

   MHD_stop_daemon (TLS_daemon);

   return 0;
 }
	/*
	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>
	#include <gnutls/gnutls.h>
	#include <gcrypt.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;
	struct stat buf;

	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 */

	if ( (0 == stat (&url[1], &buf)) &&
	(S_ISREG (buf.st_mode)) )
	file = fopen (&url[1], "rb");
	else
	file = NULL;
	if (file == NULL)
	{
	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 (response == NULL)
	{
	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;

	if (argc == 2)
	{
	/* TODO check if this is truly necessary - disallow usage of the blocking /dev/random */
	/* gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM, 0); */
	TLS_daemon =
	MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION \| MHD_USE_DEBUG \|
	MHD_USE_SSL, atoi (argv[1]), 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);
	}
	else
	{
	printf ("Usage: %s HTTP-PORT\n", argv[0]);
	return 1;
	}

	if (TLS_daemon == NULL)
	{
	fprintf (stderr, "Error: failed to start TLS_daemon\n");
	return 1;
	}
	else
	{
	printf ("MHD daemon listening on port %d\n", atoi (argv[1]));
	}

	(void) getc (stdin);

	MHD_stop_daemon (TLS_daemon);

	return 0;
	}