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/*
This file is part of libmicrohttpd
Copyright (C) 2007, 2016 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 mhds_session_info_test.c
* @brief Testcase for libmicrohttpd HTTPS connection querying operations
* @author Sagie Amir
* @author Karlson2k (Evgeny Grin)
*/
#include "platform.h"
#include "microhttpd.h"
#include <curl/curl.h>
#ifdef MHD_HTTPS_REQUIRE_GCRYPT
#include <gcrypt.h>
#endif /* MHD_HTTPS_REQUIRE_GCRYPT */
#include "tls_test_common.h"
#include "tls_test_keys.h"
struct MHD_Daemon *d;
/*
* HTTP access handler call back
* used to query negotiated security parameters
*/
static enum MHD_Result
query_session_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 **req_cls)
{
struct MHD_Response *response;
enum MHD_Result ret;
int gret;
(void) cls; (void) url; (void) method; (void) version; /* Unused. Silent compiler warning. */
(void) upload_data; (void) upload_data_size; /* Unused. Silent compiler warning. */
if (NULL == *req_cls)
{
*req_cls = (void *) &query_session_ahc;
return MHD_YES;
}
if (GNUTLS_TLS1_1 !=
(gret = MHD_get_connection_info
(connection,
MHD_CONNECTION_INFO_PROTOCOL)->protocol))
{
if (GNUTLS_TLS1_2 == gret)
{
/* as usual, TLS implementations sometimes don't
quite do what was asked, just mildly complain... */
fprintf (stderr,
"Warning: requested TLS 1.1, got TLS 1.2\n");
}
else
{
/* really different version... */
fprintf (stderr,
"Error: requested protocol mismatch (wanted %d, got %d)\n",
GNUTLS_TLS1_1,
gret);
return MHD_NO;
}
}
response = MHD_create_response_from_buffer_static (strlen (EMPTY_PAGE),
EMPTY_PAGE);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
return ret;
}
/**
* negotiate a secure connection with server & query negotiated security parameters
*/
#if LIBCURL_VERSION_NUM >= 0x072200
static int
test_query_session ()
{
CURL *c;
struct CBC cbc;
CURLcode errornum;
char url[256];
int port;
const char *aes256_sha = "AES256-SHA";
if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
port = 0;
else
port = 3060;
if (NULL == (cbc.buf = malloc (sizeof (char) * 255)))
return 16;
cbc.size = 255;
cbc.pos = 0;
/* setup test */
d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION
| MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_TLS
| MHD_USE_ERROR_LOG, port,
NULL, NULL, &query_session_ahc, NULL,
MHD_OPTION_HTTPS_PRIORITIES, "NORMAL:+ARCFOUR-128",
MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem,
MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem,
MHD_OPTION_END);
if (d == NULL)
{
free (cbc.buf);
return 2;
}
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);
free (cbc.buf);
return 32;
}
port = (int) dinfo->port;
}
if (curl_tls_is_nss ())
{
aes256_sha = "rsa_aes_256_sha";
}
gen_test_file_url (url,
sizeof (url),
port);
c = curl_easy_init ();
#if DEBUG_HTTPS_TEST
curl_easy_setopt (c, CURLOPT_VERBOSE, 1L);
#endif
curl_easy_setopt (c, CURLOPT_URL, url);
curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_easy_setopt (c, CURLOPT_TIMEOUT, 10L);
curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 10L);
curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer);
curl_easy_setopt (c, CURLOPT_FILE, &cbc);
/* TLS options */
curl_easy_setopt (c, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_1);
curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, aes256_sha);
/* currently skip any peer authentication */
curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
/* 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));
MHD_stop_daemon (d);
curl_easy_cleanup (c);
free (cbc.buf);
return -1;
}
curl_easy_cleanup (c);
MHD_stop_daemon (d);
free (cbc.buf);
return 0;
}
#endif
int
main (int argc, char *const *argv)
{
#if LIBCURL_VERSION_NUM >= 0x072200
unsigned int errorCount = 0;
const char *ssl_version;
(void) argc; /* Unused. Silent compiler warning. */
#ifdef MHD_HTTPS_REQUIRE_GCRYPT
gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
#ifdef GCRYCTL_INITIALIZATION_FINISHED
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
#endif
#endif /* MHD_HTTPS_REQUIRE_GCRYPT */
if (! testsuite_curl_global_init ())
return 99;
ssl_version = curl_version_info (CURLVERSION_NOW)->ssl_version;
if (NULL == ssl_version)
{
fprintf (stderr, "Curl does not support SSL. Cannot run the test.\n");
curl_global_cleanup ();
return 77;
}
if (! curl_tls_is_gnutls ())
{
fprintf (stderr, "This test can be run only with libcurl-gnutls.\n");
curl_global_cleanup ();
return 77;
}
errorCount += test_query_session ();
print_test_result (errorCount, argv[0]);
curl_global_cleanup ();
return errorCount != 0 ? 1 : 0;
#else /* LIBCURL_VERSION_NUM < 0x072200 */
(void) argc; (void) argv; /* Unused. Silent compiler warning. */
(void) query_session_ahc; /* Mute compiler warning */
return 77;
#endif /* LIBCURL_VERSION_NUM < 0x072200 */
}
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