[libmicrohttpd] 06/06: test_basicauth: added new test

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit 435cd008a8c1caee536f539283aa59adf25d94a6
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sat May 28 19:42:14 2022 +0300

    test_basicauth: added new test
---
 src/testcurl/Makefile.am      |   8 +
 src/testcurl/test_basicauth.c | 636 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 644 insertions(+)

diff --git a/src/testcurl/Makefile.am b/src/testcurl/Makefile.am
index 4b0c3d1c..ed585527 100644
--- a/src/testcurl/Makefile.am
+++ b/src/testcurl/Makefile.am
@@ -151,6 +151,11 @@ check_PROGRAMS += \
   perf_get
 endif
 
+if ENABLE_BAUTH
+check_PROGRAMS += \
+  test_basicauth
+endif
+
 if HAVE_POSTPROCESSOR
  check_PROGRAMS += \
   test_post \
@@ -228,6 +233,9 @@ perf_get_concurrent11_CFLAGS = \
 perf_get_concurrent11_LDADD = \
   $(PTHREAD_LIBS) $(LDADD)
 
+test_basicauth_SOURCES = \
+  test_basicauth.c
+
 test_digestauth_SOURCES = \
   test_digestauth.c
 test_digestauth_LDADD = \
diff --git a/src/testcurl/test_basicauth.c b/src/testcurl/test_basicauth.c
new file mode 100644
index 00000000..1b84ac15
--- /dev/null
+++ b/src/testcurl/test_basicauth.c
@@ -0,0 +1,636 @@
+/*
+     This file is part of libmicrohttpd
+     Copyright (C) 2010 Christian Grothoff
+     Copyright (C) 2016-2022 Evgeny Grin (Karlson2k)
+
+     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_basicauth.c
+ * @brief  Testcase for libmicrohttpd concurrent Basic Authorisation
+ * @author Amr Ali
+ * @author Karlson2k (Evgeny Grin)
+ */
+
+#include "MHD_config.h"
+#include "platform.h"
+#include <curl/curl.h>
+#include <microhttpd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#ifndef WINDOWS
+#include <sys/socket.h>
+#include <unistd.h>
+#else
+#include <wincrypt.h>
+#endif
+
+#include "mhd_has_param.h"
+
+#ifndef MHD_STATICSTR_LEN_
+/**
+ * Determine length of static string / macro strings at compile time.
+ */
+#define MHD_STATICSTR_LEN_(macro) (sizeof(macro) / sizeof(char) - 1)
+#endif /* ! MHD_STATICSTR_LEN_ */
+
+#ifndef CURL_VERSION_BITS
+#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|(z))
+#endif /* ! CURL_VERSION_BITS */
+#ifndef CURL_AT_LEAST_VERSION
+#define CURL_AT_LEAST_VERSION(x,y,z) \
+  (LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))
+#endif /* ! CURL_AT_LEAST_VERSION */
+
+#ifndef _MHD_INSTRMACRO
+/* Quoted macro parameter */
+#define _MHD_INSTRMACRO(a) #a
+#endif /* ! _MHD_INSTRMACRO */
+#ifndef _MHD_STRMACRO
+/* Quoted expanded macro parameter */
+#define _MHD_STRMACRO(a) _MHD_INSTRMACRO (a)
+#endif /* ! _MHD_STRMACRO */
+
+#if defined(HAVE___FUNC__)
+#define externalErrorExit(ignore) \
+    _externalErrorExit_func(NULL, __func__, __LINE__)
+#define externalErrorExitDesc(errDesc) \
+    _externalErrorExit_func(errDesc, __func__, __LINE__)
+#define libcurlErrorExit(ignore) \
+    _libcurlErrorExit_func(NULL, __func__, __LINE__)
+#define libcurlErrorExitDesc(errDesc) \
+    _libcurlErrorExit_func(errDesc, __func__, __LINE__)
+#define mhdErrorExit(ignore) \
+    _mhdErrorExit_func(NULL, __func__, __LINE__)
+#define mhdErrorExitDesc(errDesc) \
+    _mhdErrorExit_func(errDesc, __func__, __LINE__)
+#define checkCURLE_OK(libcurlcall) \
+    _checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), \
+                        __func__, __LINE__)
+#elif defined(HAVE___FUNCTION__)
+#define externalErrorExit(ignore) \
+    _externalErrorExit_func(NULL, __FUNCTION__, __LINE__)
+#define externalErrorExitDesc(errDesc) \
+    _externalErrorExit_func(errDesc, __FUNCTION__, __LINE__)
+#define libcurlErrorExit(ignore) \
+    _libcurlErrorExit_func(NULL, __FUNCTION__, __LINE__)
+#define libcurlErrorExitDesc(errDesc) \
+    _libcurlErrorExit_func(errDesc, __FUNCTION__, __LINE__)
+#define mhdErrorExit(ignore) \
+    _mhdErrorExit_func(NULL, __FUNCTION__, __LINE__)
+#define mhdErrorExitDesc(errDesc) \
+    _mhdErrorExit_func(errDesc, __FUNCTION__, __LINE__)
+#define checkCURLE_OK(libcurlcall) \
+    _checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), \
+                        __FUNCTION__, __LINE__)
+#else
+#define externalErrorExit(ignore) _externalErrorExit_func(NULL, NULL, __LINE__)
+#define externalErrorExitDesc(errDesc) \
+  _externalErrorExit_func(errDesc, NULL, __LINE__)
+#define libcurlErrorExit(ignore) _libcurlErrorExit_func(NULL, NULL, __LINE__)
+#define libcurlErrorExitDesc(errDesc) \
+  _libcurlErrorExit_func(errDesc, NULL, __LINE__)
+#define mhdErrorExit(ignore) _mhdErrorExit_func(NULL, NULL, __LINE__)
+#define mhdErrorExitDesc(errDesc) _mhdErrorExit_func(errDesc, NULL, __LINE__)
+#define checkCURLE_OK(libcurlcall) \
+  _checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), NULL, 
__LINE__)
+#endif
+
+
+_MHD_NORETURN static void
+_externalErrorExit_func (const char *errDesc, const char *funcName, int 
lineNum)
+{
+  fflush (stdout);
+  if ((NULL != errDesc) && (0 != errDesc[0]))
+    fprintf (stderr, "%s", errDesc);
+  else
+    fprintf (stderr, "System or external library call failed");
+  if ((NULL != funcName) && (0 != funcName[0]))
+    fprintf (stderr, " in %s", funcName);
+  if (0 < lineNum)
+    fprintf (stderr, " at line %d", lineNum);
+
+  fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
+           strerror (errno));
+#ifdef MHD_WINSOCK_SOCKETS
+  fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
+#endif /* MHD_WINSOCK_SOCKETS */
+  fflush (stderr);
+  exit (99);
+}
+
+
+/* Not actually used in this test */
+static char libcurl_errbuf[CURL_ERROR_SIZE] = "";
+
+_MHD_NORETURN static void
+_libcurlErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
+{
+  fflush (stdout);
+  if ((NULL != errDesc) && (0 != errDesc[0]))
+    fprintf (stderr, "%s", errDesc);
+  else
+    fprintf (stderr, "CURL library call failed");
+  if ((NULL != funcName) && (0 != funcName[0]))
+    fprintf (stderr, " in %s", funcName);
+  if (0 < lineNum)
+    fprintf (stderr, " at line %d", lineNum);
+
+  fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
+           strerror (errno));
+#ifdef MHD_WINSOCK_SOCKETS
+  fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
+#endif /* MHD_WINSOCK_SOCKETS */
+  if (0 != libcurl_errbuf[0])
+    fprintf (stderr, "Last libcurl error description: %s\n", libcurl_errbuf);
+
+  fflush (stderr);
+  exit (99);
+}
+
+
+_MHD_NORETURN static void
+_mhdErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
+{
+  fflush (stdout);
+  if ((NULL != errDesc) && (0 != errDesc[0]))
+    fprintf (stderr, "%s", errDesc);
+  else
+    fprintf (stderr, "MHD unexpected error");
+  if ((NULL != funcName) && (0 != funcName[0]))
+    fprintf (stderr, " in %s", funcName);
+  if (0 < lineNum)
+    fprintf (stderr, " at line %d", lineNum);
+
+  fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
+           strerror (errno));
+#ifdef MHD_WINSOCK_SOCKETS
+  fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
+#endif /* MHD_WINSOCK_SOCKETS */
+
+  fflush (stderr);
+  exit (8);
+}
+
+
+#if 0
+/* Function unused in this test */
+static void
+_checkCURLE_OK_func (CURLcode code, const char *curlFunc,
+                     const char *funcName, int lineNum)
+{
+  if (CURLE_OK == code)
+    return;
+
+  fflush (stdout);
+  if ((NULL != curlFunc) && (0 != curlFunc[0]))
+    fprintf (stderr, "'%s' resulted in '%s'", curlFunc,
+             curl_easy_strerror (code));
+  else
+    fprintf (stderr, "libcurl function call resulted in '%s'",
+             curl_easy_strerror (code));
+  if ((NULL != funcName) && (0 != funcName[0]))
+    fprintf (stderr, " in %s", funcName);
+  if (0 < lineNum)
+    fprintf (stderr, " at line %d", lineNum);
+
+  fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
+           strerror (errno));
+  if (0 != libcurl_errbuf[0])
+    fprintf (stderr, "Last libcurl error description: %s\n", libcurl_errbuf);
+
+  fflush (stderr);
+  exit (9);
+}
+
+
+#endif
+
+
+/* Could be increased to facilitate debugging */
+#define TIMEOUTS_VAL 10
+
+#define MHD_URI_BASE_PATH "/bar%20foo%3Fkey%3Dvalue"
+
+#define REALM "TestRealm"
+#define USERNAME "Aladdin"
+#define PASSWORD "open sesame"
+
+
+#define PAGE \
+  "<html><head><title>libmicrohttpd demo page</title>" \
+  "</head><body>Access granted</body></html>"
+
+#define DENIED \
+  "<html><head><title>libmicrohttpd - Access denied</title>" \
+  "</head><body>Access denied</body></html>"
+
+struct CBC
+{
+  char *buf;
+  size_t pos;
+  size_t size;
+};
+
+static int verbose;
+
+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)
+    mhdErrorExitDesc ("Wrong too large data");       /* overflow */
+  memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
+  cbc->pos += size * nmemb;
+  return size * nmemb;
+}
+
+
+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 **req_cls)
+{
+  struct MHD_Response *response;
+  char *username;
+  char *password;
+  enum MHD_Result ret;
+  static int already_called_marker;
+  (void) cls; (void) url;         /* Unused. Silent compiler warning. */
+  (void) method; (void) version; (void) upload_data; /* Unused. Silent 
compiler warning. */
+  (void) upload_data_size;        /* Unused. Silent compiler warning. */
+
+  if (&already_called_marker != *req_cls)
+  { /* Called for the first time, request not fully read yet */
+    *req_cls = &already_called_marker;
+    /* Wait for complete request */
+    return MHD_YES;
+  }
+
+  if (0 != strcmp (method, MHD_HTTP_METHOD_GET))
+    mhdErrorExitDesc ("Unexpected HTTP method");
+
+  /* require: USERNAME with password PASSWORD */
+  password = NULL;
+  username = MHD_basic_auth_get_username_password (connection,
+                                                   &password);
+  if (NULL != username)
+  {
+    if (0 != strcmp (username, USERNAME))
+    {
+      fprintf (stderr, "'username' does not match.\n"
+               "Expected: '%s'\tRecieved: '%s'. ", USERNAME, username);
+      mhdErrorExitDesc ("Wrong 'username'");
+    }
+    if (NULL == password)
+      mhdErrorExitDesc ("The password pointer is NULL");
+    if (0 != strcmp (password, PASSWORD))
+      fprintf (stderr, "'password' does not match.\n"
+               "Expected: '%s'\tRecieved: '%s'. ", PASSWORD, password);
+    response =
+      MHD_create_response_from_buffer_static (MHD_STATICSTR_LEN_ (PAGE),
+                                              (const void *) PAGE);
+    if (NULL == response)
+      mhdErrorExitDesc ("Response creation failed");
+    ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+    if (MHD_YES != ret)
+      mhdErrorExitDesc ("'MHD_queue_response()' failed");
+  }
+  else
+  {
+    if (NULL != password)
+      mhdErrorExitDesc ("The password pointer is NOT NULL");
+    response =
+      MHD_create_response_from_buffer_static (MHD_STATICSTR_LEN_ (DENIED),
+                                              (const void *) DENIED);
+    ret = MHD_queue_basic_auth_fail_response (connection, REALM,
+                                              response);
+  }
+
+  if (NULL != username)
+    MHD_free (username);
+  if (NULL != password)
+    MHD_free (password);
+  MHD_destroy_response (response);
+  return ret;
+}
+
+
+static CURL *
+setupCURL (void *cbc, int port, char *errbuf)
+{
+  CURL *c;
+  char url[512];
+
+  if (1)
+  {
+    int res;
+    /* A workaround for some old libcurl versions, which ignore the specified
+     * port by CURLOPT_PORT when authorisation is used. */
+    res = snprintf (url, (sizeof(url) / sizeof(url[0])),
+                    "http://127.0.0.1:%d%s";, port, MHD_URI_BASE_PATH);
+    if ((0 >= res) || ((sizeof(url) / sizeof(url[0])) <= (size_t) res))
+      externalErrorExitDesc ("Cannot form request URL");
+  }
+
+  c = curl_easy_init ();
+  if (NULL == c)
+    libcurlErrorExitDesc ("curl_easy_init() failed");
+
+  if ((CURLE_OK != curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_ERRORBUFFER,
+                                     errbuf)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEFUNCTION,
+                                     &copyBuffer)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEDATA, cbc)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT,
+                                     ((long) TIMEOUTS_VAL))) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_TIMEOUT,
+                                     ((long) TIMEOUTS_VAL))) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTP_VERSION,
+                                     CURL_HTTP_VERSION_1_1)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L)) ||
+#if CURL_AT_LEAST_VERSION (7, 19, 4)
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_PROTOCOLS, CURLPROTO_HTTP)) ||
+#endif /* CURL_AT_LEAST_VERSION (7, 19, 4) */
+#if CURL_AT_LEAST_VERSION (7, 45, 0)
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_DEFAULT_PROTOCOL, "http")) ||
+#endif /* CURL_AT_LEAST_VERSION (7, 45, 0) */
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_PORT, ((long) port))) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_URL, url)))
+    libcurlErrorExitDesc ("curl_easy_setopt() failed");
+  if ((CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTPAUTH, CURLAUTH_BASIC)) ||
+      (CURLE_OK != curl_easy_setopt (c, CURLOPT_USERPWD,
+                                     USERNAME ":" PASSWORD)))
+    libcurlErrorExitDesc ("curl_easy_setopt() authorization options failed");
+  return c;
+}
+
+
+static CURLcode
+performQueryExternal (struct MHD_Daemon *d, CURL *c)
+{
+  CURLM *multi;
+  time_t start;
+  struct timeval tv;
+  CURLcode ret;
+
+  ret = CURLE_FAILED_INIT; /* will be replaced with real result */
+  multi = NULL;
+  multi = curl_multi_init ();
+  if (multi == NULL)
+    libcurlErrorExitDesc ("curl_multi_init() failed");
+  if (CURLM_OK != curl_multi_add_handle (multi, c))
+    libcurlErrorExitDesc ("curl_multi_add_handle() failed");
+
+  start = time (NULL);
+  while (time (NULL) - start <= TIMEOUTS_VAL)
+  {
+    fd_set rs;
+    fd_set ws;
+    fd_set es;
+    MHD_socket maxMhdSk;
+    int maxCurlSk;
+    int running;
+
+    maxMhdSk = MHD_INVALID_SOCKET;
+    maxCurlSk = -1;
+    FD_ZERO (&rs);
+    FD_ZERO (&ws);
+    FD_ZERO (&es);
+    if (NULL != multi)
+    {
+      curl_multi_perform (multi, &running);
+      if (0 == running)
+      {
+        struct CURLMsg *msg;
+        int msgLeft;
+        int totalMsgs = 0;
+        do
+        {
+          msg = curl_multi_info_read (multi, &msgLeft);
+          if (NULL == msg)
+            libcurlErrorExitDesc ("curl_multi_info_read() failed");
+          totalMsgs++;
+          if (CURLMSG_DONE == msg->msg)
+            ret = msg->data.result;
+        } while (msgLeft > 0);
+        if (1 != totalMsgs)
+        {
+          fprintf (stderr,
+                   "curl_multi_info_read returned wrong "
+                   "number of results (%d).\n",
+                   totalMsgs);
+          externalErrorExit ();
+        }
+        curl_multi_remove_handle (multi, c);
+        curl_multi_cleanup (multi);
+        multi = NULL;
+      }
+      else
+      {
+        if (CURLM_OK != curl_multi_fdset (multi, &rs, &ws, &es, &maxCurlSk))
+          libcurlErrorExitDesc ("curl_multi_fdset() failed");
+      }
+    }
+    if (NULL == multi)
+    { /* libcurl has finished, check whether MHD still needs to perform 
cleanup */
+      if (0 != MHD_get_timeout64s (d))
+        break; /* MHD finished as well */
+    }
+    if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &maxMhdSk))
+      mhdErrorExitDesc ("MHD_get_fdset() failed");
+    tv.tv_sec = 0;
+    tv.tv_usec = 200000;
+#ifdef MHD_POSIX_SOCKETS
+    if (maxMhdSk > maxCurlSk)
+      maxCurlSk = maxMhdSk;
+#endif /* MHD_POSIX_SOCKETS */
+    if (-1 == select (maxCurlSk + 1, &rs, &ws, &es, &tv))
+    {
+#ifdef MHD_POSIX_SOCKETS
+      if (EINTR != errno)
+        externalErrorExitDesc ("Unexpected select() error");
+#else
+      if ((WSAEINVAL != WSAGetLastError ()) ||
+          (0 != rs.fd_count) || (0 != ws.fd_count) || (0 != es.fd_count) )
+        externalErrorExitDesc ("Unexpected select() error");
+      Sleep (200);
+#endif
+    }
+    if (MHD_YES != MHD_run_from_select (d, &rs, &ws, &es))
+      mhdErrorExitDesc ("MHD_run_from_select() failed");
+  }
+
+  return ret;
+}
+
+
+/**
+ * Check request result
+ * @param curl_code the CURL easy return code
+ * @param pcbc the pointer struct CBC
+ * @return non-zero if success, zero if failed
+ */
+static unsigned int
+check_result (CURLcode curl_code, struct CBC *pcbc)
+{
+  if (CURLE_OK != curl_code)
+  {
+    fflush (stdout);
+    if (0 != libcurl_errbuf[0])
+      fprintf (stderr, "First request failed. "
+               "libcurl error: '%s'.\n"
+               "libcurl error description: '%s'.\n",
+               curl_easy_strerror (curl_code),
+               libcurl_errbuf);
+    else
+      fprintf (stderr, "First request failed. "
+               "libcurl error: '%s'.\n",
+               curl_easy_strerror (curl_code));
+    fflush (stderr);
+    return 0;
+  }
+
+  if (pcbc->pos != strlen (PAGE))
+  {
+    fprintf (stderr, "Got %u bytes ('%.*s'), expected %u bytes. ",
+             (unsigned) pcbc->pos, (int) pcbc->pos, pcbc->buf,
+             (unsigned) strlen (PAGE));
+    mhdErrorExitDesc ("Wrong returned data length");
+  }
+  if (0 != memcmp (PAGE, pcbc->buf, pcbc->pos))
+  {
+    fprintf (stderr, "Got invalid response '%.*s'. ",
+             (int) pcbc->pos, pcbc->buf);
+    mhdErrorExitDesc ("Wrong returned data");
+  }
+  return 1;
+}
+
+
+static unsigned int
+testBasicAuth (void)
+{
+  struct MHD_Daemon *d;
+  uint16_t port;
+  struct CBC cbc;
+  char buf[2048];
+  CURL *c;
+  int failed = 0;
+
+  if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
+    port = 0;
+  else
+    port = 4210;
+
+  d = MHD_start_daemon (MHD_USE_ERROR_LOG,
+                        port, NULL, NULL,
+                        &ahc_echo, NULL,
+                        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) )
+      mhdErrorExitDesc ("MHD_get_daemon_info() failed");
+    port = (uint16_t) dinfo->port;
+  }
+
+  /* First request */
+  cbc.buf = buf;
+  cbc.size = sizeof (buf);
+  cbc.pos = 0;
+  memset (cbc.buf, 0, cbc.size);
+  c = setupCURL (&cbc, port, libcurl_errbuf);
+  if (check_result (performQueryExternal (d, c), &cbc))
+  {
+    if (verbose)
+      printf ("First request successful.\n");
+  }
+  else
+  {
+    fprintf (stderr, "First request FAILED.\n");
+    failed = 1;
+  }
+  curl_easy_cleanup (c);
+
+  /* Second request */
+  cbc.buf = buf;
+  cbc.size = sizeof (buf);
+  cbc.pos = 0;
+  memset (cbc.buf, 0, cbc.size);
+  c = setupCURL (&cbc, port, libcurl_errbuf);
+  if (check_result (performQueryExternal (d, c), &cbc))
+  {
+    if (verbose)
+      printf ("Second request successful.\n");
+  }
+  else
+  {
+    fprintf (stderr, "Second request FAILED.\n");
+    failed = 1;
+  }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  return failed ? 1 : 0;
+}
+
+
+int
+main (int argc, char *const *argv)
+{
+  unsigned int errorCount = 0;
+  (void) argc; (void) argv; /* Unused. Silent compiler warning. */
+
+  verbose = ! (has_param (argc, argv, "-q") ||
+               has_param (argc, argv, "--quiet") ||
+               has_param (argc, argv, "-s") ||
+               has_param (argc, argv, "--silent"));
+
+  #ifdef MHD_HTTPS_REQUIRE_GRYPT
+#ifdef HAVE_GCRYPT_H
+  gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
+#ifdef GCRYCTL_INITIALIZATION_FINISHED
+  gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+#endif
+#endif
+#endif /* MHD_HTTPS_REQUIRE_GRYPT */
+  if (0 != curl_global_init (CURL_GLOBAL_WIN32))
+    return 2;
+  errorCount += testBasicAuth ();
+  if (errorCount != 0)
+    fprintf (stderr, "Error (code: %u)\n", errorCount);
+  curl_global_cleanup ();
+  return (0 == errorCount) ? 0 : 1;       /* 0 == pass */
+}

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