1 files changed, 207 insertions, 0 deletions
diff --git a/src/examples/https_fileserver_example.c b/src/examples/https_fileserver_example.c
new file mode 100644
index 00000000..fe0c2de7
--- /dev/null
+++ b/src/examples/https_fileserver_example.c
@@ -0,0 +1,207 @@
+/*
+     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;
+}