Removed curl_version_check

No modern and even old platform has such old components

configure.ac

@@ -2410,14 +2410,6 @@ AS_IF([test "$enable_curl" != "no"],
       enable_curl=no
     ])
 ])
-AS_IF([test "$enable_curl" != "no"],
- [
-# Lib cURL & cURL - OpenSSL versions
-  AC_DEFINE([MHD_REQ_CURL_VERSION], ["7.16.4"], [required cURL version to run tests])
-  AC_DEFINE([MHD_REQ_CURL_OPENSSL_VERSION], ["0.9.8"], [required cURL SSL version to run tests])
-  AC_DEFINE([MHD_REQ_CURL_GNUTLS_VERSION], ["2.8.6"], [gnuTLS lib version - used in conjunction with cURL])
-  AC_DEFINE([MHD_REQ_CURL_NSS_VERSION], ["3.12.0"], [NSS lib version - used in conjunction with cURL])
- ])
 AM_CONDITIONAL([HAVE_CURL], [test "x$enable_curl" = "xyes"])
 
 mhd_have_libmagic="no"

src/testcurl/https/Makefile.am

@@ -78,8 +78,7 @@ test_tls_options_SOURCES = \
   test_tls_options.c \
   tls_test_keys.h \
   tls_test_common.h \
-  tls_test_common.c \
-  curl_version_check.c
+  tls_test_common.c
 
 test_https_get_parallel_SOURCES = \
   test_https_get_parallel.c \

src/testcurl/https/curl_version_check.c

@@ -1,176 +0,0 @@
-/*
-     This file is part of libmicrohttpd
-     Copyright (C) 2007 Christian Grothoff
-     Copyright (C) 2016-2021 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 curl_version_check.c
- * @brief  verify required cURL version is available to run tests
- * @author Sagie Amir
- * @author Karlson2k (Evgeny Grin)
- */
-
-#include "MHD_config.h"
-#include "platform.h"
-#include <curl/curl.h>
-
-#ifndef WINDOWS
-#include <unistd.h>
-#endif
-
-static int
-parse_version_number (const char **s)
-{
-  int i = 0;
-  char num[17];
-
-  while (i < 16 && ((**s >= '0') & (**s <= '9')))
-  {
-    num[i] = **s;
-    (*s)++;
-    i++;
-  }
-
-  num[i] = '\0';
-
-  return atoi (num);
-}
-
-
-static const char *
-parse_version_string (const char *s, int *major, int *minor, int *micro)
-{
-  if (! s)
-    return NULL;
-  *major = parse_version_number (&s);
-  if (*s != '.')
-    return NULL;
-  s++;
-  *minor = parse_version_number (&s);
-  if (*s != '.')
-    return NULL;
-  s++;
-  *micro = parse_version_number (&s);
-  return s;
-}
-
-
-/*
- * check local libcurl version matches required version
- */
-int
-curl_check_version (const char *req_version)
-{
-  const char *ver;
-  const char *curl_ver;
-#ifdef HTTPS_SUPPORT
-  const char *ssl_ver;
-  const char *req_ssl_ver;
-#endif /* HTTPS_SUPPORT */
-
-  int loc_major, loc_minor, loc_micro;
-  int rq_major, rq_minor, rq_micro;
-
-  ver = curl_version ();
-#ifdef HAVE_MESSAGES
-  fprintf (stderr, "curl version: %s\n", ver);
-#endif
-  /*
-   * this call relies on the cURL string to be of the exact following format :
-   * 'libcurl/7.16.4 OpenSSL/0.9.8g zlib/1.2.3.3 libidn/0.6.5' OR
-   * 'libcurl/7.18.2 GnuTLS/2.4.0 zlib/1.2.3.3 libidn/0.6.5'
-   */
-  curl_ver = strchr (ver, '/');
-  if (curl_ver == NULL)
-    return -1;
-  curl_ver++;
-  /* Parse version numbers */
-  if ( (NULL == parse_version_string (req_version, &rq_major, &rq_minor,
-                                      &rq_micro)) ||
-       (NULL == parse_version_string (curl_ver, &loc_major, &loc_minor,
-                                      &loc_micro)) )
-    return -1;
-
-  /* Compare version numbers.  */
-  if (((loc_major > rq_major)
-       || ((loc_major == rq_major) && (loc_minor > rq_minor))
-       || ((loc_major == rq_major) && (loc_minor == rq_minor)
-           && (loc_micro > rq_micro)) || ((loc_major == rq_major)
-                                          && (loc_minor == rq_minor)
-                                          && (loc_micro == rq_micro) )) == 0)
-  {
-    fprintf (stderr,
-             "Error: running curl test depends on local libcurl version > %s\n",
-             req_version);
-    return -1;
-  }
-
-  /*
-   * enforce required gnutls/openssl version.
-   * TODO use curl version string to assert use of gnutls
-   */
-#ifdef HTTPS_SUPPORT
-  ssl_ver = strchr (curl_ver, ' ');
-  if (ssl_ver == NULL)
-    return -1;
-  ssl_ver++;
-  if (strncmp ("GnuTLS", ssl_ver, strlen ("GNUtls")) == 0)
-  {
-    ssl_ver = strchr (ssl_ver, '/');
-    req_ssl_ver = MHD_REQ_CURL_GNUTLS_VERSION;
-  }
-  else if (strncmp ("OpenSSL", ssl_ver, strlen ("OpenSSL")) == 0)
-  {
-    ssl_ver = strchr (ssl_ver, '/');
-    req_ssl_ver = MHD_REQ_CURL_OPENSSL_VERSION;
-  }
-  else if (strncmp ("NSS", ssl_ver, strlen ("NSS")) == 0)
-  {
-    ssl_ver = strchr (ssl_ver, '/');
-    req_ssl_ver = MHD_REQ_CURL_NSS_VERSION;
-  }
-  else
-  {
-    fprintf (stderr, "Error: unrecognized curl ssl library\n");
-    return -1;
-  }
-  if (ssl_ver == NULL)
-    return -1;
-  ssl_ver++;
-  if ( (NULL == parse_version_string (req_ssl_ver, &rq_major, &rq_minor,
-                                      &rq_micro)) ||
-       (NULL == parse_version_string (ssl_ver, &loc_major, &loc_minor,
-                                      &loc_micro)) )
-    return -1;
-
-  if (((loc_major > rq_major)
-       || ((loc_major == rq_major) && (loc_minor > rq_minor))
-       || ((loc_major == rq_major) && (loc_minor == rq_minor)
-           && (loc_micro > rq_micro)) || ((loc_major == rq_major)
-                                          && (loc_minor == rq_minor)
-                                          && (loc_micro == rq_micro) )) == 0)
-  {
-    fprintf (stderr,
-             "Error: running curl test depends on local libcurl SSL version > %s\n",
-             req_ssl_ver);
-    return -1;
-  }
-#endif /* HTTPS_SUPPORT */
-  return 0;
-}

src/testcurl/https/test_https_get_parallel.c

@@ -44,8 +44,6 @@
 #define MHD_CPU_COUNT 4
 #endif
 
-int curl_check_version (const char *req_version, ...);
-
 
 /**
  * used when spawning multiple threads executing curl server requests

src/testcurl/https/test_https_get_parallel_threads.c

@@ -46,8 +46,6 @@
 #define MHD_CPU_COUNT 4
 #endif
 
-int curl_check_version (const char *req_version, ...);
-
 /**
  * used when spawning multiple threads executing curl server requests
  *

src/testcurl/https/test_tls_options.c

@@ -34,8 +34,6 @@
 #include "tls_test_common.h"
 #include "tls_test_keys.h"
 
-int curl_check_version (const char *req_version, ...);
-
 /**
  * test server refuses to negotiate connections with unsupported protocol versions
  *
@@ -110,28 +108,34 @@ main (int argc, char *const *argv)
   if (! testsuite_curl_global_init ())
     return 99;
 
-  if (curl_check_version (MHD_REQ_CURL_VERSION))
-  {
-    return 77;
-  }
   ssl_version = curl_version_info (CURLVERSION_NOW)->ssl_version;
-  if (NULL == ssl_version)
+  if (0 == strncmp (ssl_version, "OpenSSL/", 8))
   {
-    fprintf (stderr, "Curl does not support SSL.  Cannot run the test.\n");
-    return 77;
+    if (0 == strncmp (ssl_version, "OpenSSL/0.", 10))
+    {
+      fprintf (stderr, "Curl uses too old library: %s\n", ssl_version);
+      curl_global_cleanup ();
+      return 77;
+    }
   }
-
-  if (curl_tls_is_schannel () || curl_tls_is_sectransport ())
+  else if ((0 == strncmp (ssl_version, "GnuTLS/", 7)))
   {
-    fprintf (stderr,
-             "libcurl TLS backend does not support this test. Skipping.\n");
+#if GNUTLS_VERSION_NUMBER <= 0x020806
+    fprintf (stderr, "Curl uses too old library: %s\n", ssl_version);
+    curl_global_cleanup ();
     return 77;
+#else
+    (void) 0;
+#endif
   }
-
-  if (curl_tls_is_nss ())
+  else
   {
-    aes128_sha = "rsa_aes_128_sha";
-    aes256_sha = "rsa_aes_256_sha";
+    if (NULL == ssl_version)
+      fprintf (stderr, "Curl does not support TLS.\n");
+    else
+      fprintf (stderr, "Curl uses too old library: %s\n", ssl_version);
+    curl_global_cleanup ();
+    return 77;
   }
 
   if (0 !=