1 files changed, 757 insertions, 0 deletions

diff --git a/src/testcurl/test_get_iovec.c b/src/testcurl/test_get_iovec.c
new file mode 100644
index 00000000..1d817851
--- /dev/null
+++ b/src/testcurl/test_get_iovec.c
@@ -0,0 +1,757 @@
+/*
+     This file is part of libmicrohttpd
+     Copyright (C) 2007-2021 Christian Grothoff
+     Copyright (C) 2014-2021 Evgeny Grin
+
+     libmicrohttpd is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, or (at your
+     option) any later version.
+
+     libmicrohttpd 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
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with libmicrohttpd; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file test_get_iovec.c
+ * @brief  Testcase for libmicrohttpd response from scatter/gather array
+ * @author Christian Grothoff
+ * @author Karlson2k (Evgeny Grin)
+ * @author Lawrence Sebald
+ */
+
+/*
+ * This test is largely derived from the test_get_sendfile.c file, with the
+ * daemon using MHD_create_response_from_iovec instead of working from an fd.
+ */
+
+#include "MHD_config.h"
+#include "platform.h"
+#include <curl/curl.h>
+#include <microhttpd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include "mhd_sockets.h"
+#include "mhd_has_in_name.h"
+
+#ifndef WINDOWS
+#include <sys/socket.h>
+#include <unistd.h>
+#endif
+
+#if defined(MHD_CPU_COUNT) && (MHD_CPU_COUNT + 0) < 2
+#undef MHD_CPU_COUNT
+#endif
+#if ! defined(MHD_CPU_COUNT)
+#define MHD_CPU_COUNT 2
+#endif
+
+#define TESTSTR_IOVLEN 20480
+#define TESTSTR_IOVCNT 20
+#define TESTSTR_SIZE   (TESTSTR_IOVCNT * TESTSTR_IOVLEN)
+
+static int oneone;
+
+static int readbuf[TESTSTR_SIZE * 2 / sizeof(int)];
+
+struct CBC
+{
+  char *buf;
+  size_t pos;
+  size_t size;
+};
+
+
+static size_t
+copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
+{
+  struct CBC *cbc = ctx;
+
+  if (cbc->pos + size * nmemb > cbc->size)
+    _exit (7);                   /* overflow */
+  memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
+  cbc->pos += size * nmemb;
+  return size * nmemb;
+}
+
+
+static void
+iov_free_callback (void *cls)
+{
+  free (cls);
+}
+
+
+static void
+iovncont_free_callback (void *cls)
+{
+  struct MHD_IoVec *iov = (struct MHD_IoVec *) cls;
+  int i;
+
+  for (i = 0; i < TESTSTR_IOVCNT; ++i)
+  {
+    free (iov[i].iov_base);
+  }
+
+  free (iov);
+}
+
+
+static int
+check_read_data (const void *ptr, size_t len)
+{
+  const int *buf;
+  size_t i;
+
+  if (len % sizeof(int))
+    return -1;
+
+  buf = (const int *) ptr;
+
+  for (i = 0; i < len / sizeof(int); ++i)
+  {
+    if (buf[i] != (int) i)
+      return -1;
+  }
+
+  return 0;
+}
+
+
+static enum MHD_Result
+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 **unused)
+{
+  static int ptr;
+  const char *me = cls;
+  struct MHD_Response *response;
+  enum MHD_Result ret;
+  int *data;
+  struct MHD_IoVec iov[TESTSTR_IOVCNT];
+  int i;
+  (void) url; (void) version;                      /* Unused. Silent compiler warning. */
+  (void) upload_data; (void) upload_data_size;     /* Unused. Silent compiler warning. */
+
+  if (0 != strcmp (me, method))
+    return MHD_NO;              /* unexpected method */
+  if (&ptr != *unused)
+  {
+    *unused = &ptr;
+    return MHD_YES;
+  }
+  *unused = NULL;
+
+  /* Create some test data. */
+  if (NULL == (data = malloc (TESTSTR_SIZE)))
+    return MHD_NO;
+
+  for (i = 0; i < (int) (TESTSTR_SIZE / sizeof(int)); ++i)
+  {
+    data[i] = i;
+  }
+
+  for (i = 0; i < TESTSTR_IOVCNT; ++i)
+  {
+    iov[i].iov_base = data + (i * (TESTSTR_SIZE / TESTSTR_IOVCNT
+                                   / sizeof(int)));
+    iov[i].iov_len = TESTSTR_SIZE / TESTSTR_IOVCNT;
+  }
+
+  response = MHD_create_response_from_iovec (iov,
+                                             TESTSTR_IOVCNT,
+                                             &iov_free_callback,
+                                             data);
+  ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+  MHD_destroy_response (response);
+  if (ret == MHD_NO)
+    abort ();
+  return ret;
+}
+
+
+static enum MHD_Result
+ncont_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 **unused)
+{
+  static int ptr;
+  const char *me = cls;
+  struct MHD_Response *response;
+  enum MHD_Result ret;
+  int *data;
+  struct MHD_IoVec *iov;
+  int i, j;
+  (void) url; (void) version;                      /* Unused. Silent compiler warning. */
+  (void) upload_data; (void) upload_data_size;     /* Unused. Silent compiler warning. */
+
+  if (0 != strcmp (me, method))
+    return MHD_NO;              /* unexpected method */
+  if (&ptr != *unused)
+  {
+    *unused = &ptr;
+    return MHD_YES;
+  }
+  *unused = NULL;
+
+  if (NULL == (iov = malloc (sizeof(struct MHD_IoVec) * TESTSTR_IOVCNT)))
+    return MHD_NO;
+
+  memset (iov, 0, sizeof(struct MHD_IoVec) * TESTSTR_IOVCNT);
+
+  /* Create some test data. */
+  for (j = TESTSTR_IOVCNT - 1; j >= 0; --j)
+  {
+    if (NULL == (data = malloc (TESTSTR_IOVLEN)))
+      goto err_out;
+
+    iov[j].iov_base = data;
+    iov[j].iov_len = TESTSTR_IOVLEN;
+
+    for (i = 0; i < (int) (TESTSTR_IOVLEN / sizeof(int)); ++i)
+    {
+      data[i] = i + (j * TESTSTR_IOVLEN / sizeof(int));
+    }
+  }
+
+  response = MHD_create_response_from_iovec (iov,
+                                             TESTSTR_IOVCNT,
+                                             &iovncont_free_callback,
+                                             iov);
+  ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+  MHD_destroy_response (response);
+  if (ret == MHD_NO)
+    abort ();
+  return ret;
+
+err_out:
+  for (j = 0; j < TESTSTR_IOVCNT; ++j)
+  {
+    if (NULL != iov[j].iov_base)
+      free (iov[j].iov_base);
+  }
+
+  return MHD_NO;
+}
+
+
+static int
+testInternalGet (bool contiguous)
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  CURLcode errornum;
+  int port;
+
+  if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+    port = 0;
+  else
+  {
+    port = 1200;
+    if (oneone)
+      port += 10;
+  }
+
+  cbc.buf = (char*) readbuf;
+  cbc.size = sizeof(readbuf);
+  cbc.pos = 0;
+
+  if (contiguous)
+  {
+    d = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG,
+                          port, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END);
+  }
+  else
+  {
+    d = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG,
+                          port, NULL, NULL, &ncont_echo, "GET", MHD_OPTION_END);
+  }
+
+  if (d == NULL)
+    return 1;
+  if (0 == port)
+  {
+    const union MHD_DaemonInfo *dinfo;
+    dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
+    if ((NULL == dinfo) || (0 == dinfo->port) )
+    {
+      MHD_stop_daemon (d); return 32;
+    }
+    port = (int) dinfo->port;
+  }
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/");
+  curl_easy_setopt (c, CURLOPT_PORT, (long) port);
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  /* NOTE: use of CONNECTTIMEOUT without also
+     setting NOSIGNAL results in really weird
+     crashes on my system!*/
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+  {
+    fprintf (stderr,
+             "curl_easy_perform failed: `%s'\n",
+             curl_easy_strerror (errornum));
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 2;
+  }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != TESTSTR_SIZE)
+    return 4;
+  if (0 != check_read_data (cbc.buf, cbc.pos))
+    return 8;
+  return 0;
+}
+
+
+static int
+testMultithreadedGet ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  CURLcode errornum;
+  int port;
+
+  if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+    port = 0;
+  else
+  {
+    port = 1201;
+    if (oneone)
+      port += 10;
+  }
+
+  cbc.buf = (char*) readbuf;
+  cbc.size = sizeof(readbuf);
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION
+                        | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG
+                        | MHD_USE_AUTO,
+                        port, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END);
+  if (d == NULL)
+    return 16;
+  if (0 == port)
+  {
+    const union MHD_DaemonInfo *dinfo;
+    dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
+    if ((NULL == dinfo) || (0 == dinfo->port) )
+    {
+      MHD_stop_daemon (d); return 32;
+    }
+    port = (int) dinfo->port;
+  }
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/");
+  curl_easy_setopt (c, CURLOPT_PORT, (long) port);
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+  /* NOTE: use of CONNECTTIMEOUT without also
+     setting NOSIGNAL results in really weird
+     crashes on my system! */
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+  {
+    fprintf (stderr,
+             "curl_easy_perform failed: `%s'\n",
+             curl_easy_strerror (errornum));
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 32;
+  }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != TESTSTR_SIZE)
+    return 64;
+  if (0 != check_read_data (cbc.buf, cbc.pos))
+    return 128;
+  return 0;
+}
+
+
+static int
+testMultithreadedPoolGet ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  CURLcode errornum;
+  int port;
+
+  if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+    port = 0;
+  else
+  {
+    port = 1202;
+    if (oneone)
+      port += 10;
+  }
+
+  cbc.buf = (char*) readbuf;
+  cbc.size = sizeof(readbuf);
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG
+                        | MHD_USE_AUTO,
+                        port, NULL, NULL, &ahc_echo, "GET",
+                        MHD_OPTION_THREAD_POOL_SIZE, MHD_CPU_COUNT,
+                        MHD_OPTION_END);
+  if (d == NULL)
+    return 16;
+  if (0 == port)
+  {
+    const union MHD_DaemonInfo *dinfo;
+    dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
+    if ((NULL == dinfo) || (0 == dinfo->port) )
+    {
+      MHD_stop_daemon (d); return 32;
+    }
+    port = (int) dinfo->port;
+  }
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/");
+  curl_easy_setopt (c, CURLOPT_PORT, (long) port);
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+  /* NOTE: use of CONNECTTIMEOUT without also
+     setting NOSIGNAL results in really weird
+     crashes on my system!*/
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+  {
+    fprintf (stderr,
+             "curl_easy_perform failed: `%s'\n",
+             curl_easy_strerror (errornum));
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 32;
+  }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != TESTSTR_SIZE)
+    return 64;
+  if (0 != check_read_data (cbc.buf, cbc.pos))
+    return 128;
+  return 0;
+}
+
+
+static int
+testExternalGet ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  CURLM *multi;
+  CURLMcode mret;
+  fd_set rs;
+  fd_set ws;
+  fd_set es;
+  MHD_socket maxsock;
+#ifdef MHD_WINSOCK_SOCKETS
+  int maxposixs; /* Max socket number unused on W32 */
+#else  /* MHD_POSIX_SOCKETS */
+#define maxposixs maxsock
+#endif /* MHD_POSIX_SOCKETS */
+  int running;
+  struct CURLMsg *msg;
+  time_t start;
+  struct timeval tv;
+  int port;
+
+  if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+    port = 0;
+  else
+  {
+    port = 1203;
+    if (oneone)
+      port += 10;
+  }
+
+  multi = NULL;
+  cbc.buf = (char*) readbuf;
+  cbc.size = sizeof(readbuf);
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_ERROR_LOG,
+                        port, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END);
+  if (d == NULL)
+    return 256;
+  if (0 == port)
+  {
+    const union MHD_DaemonInfo *dinfo;
+    dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
+    if ((NULL == dinfo) || (0 == dinfo->port) )
+    {
+      MHD_stop_daemon (d); return 32;
+    }
+    port = (int) dinfo->port;
+  }
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/");
+  curl_easy_setopt (c, CURLOPT_PORT, (long) port);
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+  /* NOTE: use of CONNECTTIMEOUT without also
+     setting NOSIGNAL results in really weird
+     crashes on my system! */
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
+
+
+  multi = curl_multi_init ();
+  if (multi == NULL)
+  {
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 512;
+  }
+  mret = curl_multi_add_handle (multi, c);
+  if (mret != CURLM_OK)
+  {
+    curl_multi_cleanup (multi);
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 1024;
+  }
+  start = time (NULL);
+  while ((time (NULL) - start < 5) && (multi != NULL))
+  {
+    maxsock = MHD_INVALID_SOCKET;
+    maxposixs = -1;
+    FD_ZERO (&rs);
+    FD_ZERO (&ws);
+    FD_ZERO (&es);
+    curl_multi_perform (multi, &running);
+    mret = curl_multi_fdset (multi, &rs, &ws, &es, &maxposixs);
+    if (mret != CURLM_OK)
+    {
+      curl_multi_remove_handle (multi, c);
+      curl_multi_cleanup (multi);
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 2048;
+    }
+    if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &maxsock))
+    {
+      curl_multi_remove_handle (multi, c);
+      curl_multi_cleanup (multi);
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 4096;
+    }
+    tv.tv_sec = 0;
+    tv.tv_usec = 1000;
+    if (-1 == select (maxposixs + 1, &rs, &ws, &es, &tv))
+    {
+#ifdef MHD_POSIX_SOCKETS
+      if (EINTR != errno)
+        abort ();
+#else
+      if ((WSAEINVAL != WSAGetLastError ()) || (0 != rs.fd_count) || (0 !=
+                                                                      ws.
+                                                                      fd_count)
+          || (0 != es.fd_count) )
+        abort ();
+      Sleep (1000);
+#endif
+    }
+    curl_multi_perform (multi, &running);
+    if (running == 0)
+    {
+      msg = curl_multi_info_read (multi, &running);
+      if (msg == NULL)
+        break;
+      if (msg->msg == CURLMSG_DONE)
+      {
+        if (msg->data.result != CURLE_OK)
+          printf ("%s failed at %s:%d: `%s'\n",
+                  "curl_multi_perform",
+                  __FILE__,
+                  __LINE__, curl_easy_strerror (msg->data.result));
+        curl_multi_remove_handle (multi, c);
+        curl_multi_cleanup (multi);
+        curl_easy_cleanup (c);
+        c = NULL;
+        multi = NULL;
+      }
+    }
+    MHD_run (d);
+  }
+  if (multi != NULL)
+  {
+    curl_multi_remove_handle (multi, c);
+    curl_easy_cleanup (c);
+    curl_multi_cleanup (multi);
+  }
+  MHD_stop_daemon (d);
+  if (cbc.pos != TESTSTR_SIZE)
+    return 8192;
+  if (0 != check_read_data (cbc.buf, cbc.pos))
+    return 16384;
+  return 0;
+}
+
+
+static int
+testUnknownPortGet ()
+{
+  struct MHD_Daemon *d;
+  const union MHD_DaemonInfo *di;
+  CURL *c;
+  struct CBC cbc;
+  CURLcode errornum;
+  int port;
+  char buf[2048];
+
+  struct sockaddr_in addr;
+  socklen_t addr_len = sizeof(addr);
+  memset (&addr, 0, sizeof(addr));
+  addr.sin_family = AF_INET;
+  addr.sin_port = 0;
+  addr.sin_addr.s_addr = INADDR_ANY;
+
+  cbc.buf = (char*) readbuf;
+  cbc.size = sizeof(readbuf);
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG,
+                        0, NULL, NULL, &ahc_echo, "GET",
+                        MHD_OPTION_SOCK_ADDR, &addr,
+                        MHD_OPTION_END);
+  if (d == NULL)
+    return 32768;
+
+  if (MHD_NO == MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+  {
+    di = MHD_get_daemon_info (d, MHD_DAEMON_INFO_LISTEN_FD);
+    if (di == NULL)
+      return 65536;
+
+    if (0 != getsockname (di->listen_fd, (struct sockaddr *) &addr, &addr_len))
+      return 131072;
+
+    if (addr.sin_family != AF_INET)
+      return 26214;
+    port = (int) ntohs (addr.sin_port);
+  }
+  else
+  {
+    const union MHD_DaemonInfo *dinfo;
+    dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
+    if ((NULL == dinfo) || (0 == dinfo->port) )
+    {
+      MHD_stop_daemon (d); return 32;
+    }
+    port = (int) dinfo->port;
+  }
+
+  snprintf (buf, sizeof(buf), "http://127.0.0.1:%d/",
+            port);
+
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, buf);
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  /* NOTE: use of CONNECTTIMEOUT without also
+     setting NOSIGNAL results in really weird
+     crashes on my system! */
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+  {
+    fprintf (stderr,
+             "curl_easy_perform failed: `%s'\n",
+             curl_easy_strerror (errornum));
+    curl_easy_cleanup (c);
+    MHD_stop_daemon (d);
+    return 524288;
+  }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != TESTSTR_SIZE)
+    return 1048576;
+  if (0 != check_read_data (cbc.buf, cbc.pos))
+    return 2097152;
+  return 0;
+}
+
+
+int
+main (int argc, char *const *argv)
+{
+  unsigned int errorCount = 0;
+  (void) argc;   /* Unused. Silent compiler warning. */
+
+  if ((NULL == argv) || (0 == argv[0]))
+    return 99;
+  oneone = has_in_name (argv[0], "11");
+
+  if (0 != curl_global_init (CURL_GLOBAL_WIN32))
+    return 2;
+  if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_THREADS))
+  {
+    errorCount += testInternalGet (true);
+    errorCount += testInternalGet (false);
+    errorCount += testMultithreadedGet ();
+    errorCount += testMultithreadedPoolGet ();
+    errorCount += testUnknownPortGet ();
+  }
+  errorCount += testExternalGet ();
+  if (errorCount != 0)
+    fprintf (stderr, "Error (code: %u)\n", errorCount);
+  curl_global_cleanup ();
+  return errorCount != 0;       /* 0 == pass */
+}