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/*
This file is part of libmicrohttpd
(C) 2007 Christian Grothoff
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file mhds_session_info_test.c
* @brief Testcase for libmicrohttpd HTTPS connection querying operations
* @author Sagie Amir
*/
#include "platform.h"
#include "microhttpd.h"
#include <curl/curl.h>
#define DEBUG_CURL_VERBOSE 0
#define EMPTY_PAGE "<html><head><title>Empty page</title></head><body>Empty page</body></html>"
#include "tls_test_keys.h"
extern int curl_check_version (const char *req_version, ...);
struct MHD_Daemon *d;
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)
return 0; /* overflow */
memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
cbc->pos += size * nmemb;
return size * nmemb;
}
/*
* HTTP access handler call back
* used to query negotiated security parameters
*/
static int
query_session_ahc (void *cls, struct MHD_Connection *connection,
const char *url, const char *method,
const char *upload_data, const char *version,
unsigned int *upload_data_size, void **ptr)
{
struct MHD_Response *response;
int ret;
/* assert actual connection cipher is the one negotiated */
if (MHD_get_connection_info (connection, MHD_CONNECTION_INFO_CIPHER_ALGO)->cipher_algorithm
!= MHD_GNUTLS_CIPHER_AES_256_CBC)
{
fprintf (stderr, "Error: requested cipher mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info (connection, MHD_CONNECTION_INFO_KX_ALGO)->kx_algorithm !=
MHD_GNUTLS_KX_RSA)
{
fprintf (stderr, "Error: requested key exchange mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info (connection, MHD_CONNECTION_INFO_MAC_ALGO)->mac_algorithm !=
MHD_GNUTLS_MAC_SHA1)
{
fprintf (stderr, "Error: requested mac algorithm mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info
(connection,
MHD_CONNECTION_INFO_COMPRESSION_METHOD)->compression_method !=
MHD_GNUTLS_COMP_NULL)
{
fprintf (stderr, "Error: requested compression mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info (connection, MHD_CONNECTION_INFO_PROTOCOL)->protocol !=
MHD_GNUTLS_PROTOCOL_SSL3)
{
fprintf (stderr, "Error: requested compression mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info (connection, MHD_CONNECTION_INFO_CERT_TYPE)->certificate_type
!= MHD_GNUTLS_CRT_X509)
{
fprintf (stderr, "Error: requested certificate mismatch. %s\n",
strerror (errno));
return -1;
}
if (MHD_get_connection_info
(connection,
MHD_CONNECTION_INFO_CREDENTIALS_TYPE)->credentials_type !=
MHD_GNUTLS_CRD_CERTIFICATE)
{
fprintf (stderr, "Error: requested certificate mismatch. %s\n",
strerror (errno));
return -1;
}
response = MHD_create_response_from_data (strlen (EMPTY_PAGE),
(void *) EMPTY_PAGE,
MHD_NO, MHD_NO);
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
*/
static int
test_query_session ()
{
CURL *c;
struct CBC cbc;
CURLcode errornum;
char url[] = "https://localhost:42433/";
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_SSL |
MHD_USE_DEBUG, 42433,
NULL, NULL, &query_session_ahc, NULL,
MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem,
MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem,
MHD_OPTION_END);
if (d == NULL)
return 2;
c = curl_easy_init ();
#if DEBUG_CURL_VERBOSE
curl_easy_setopt (c, CURLOPT_VERBOSE, 1);
#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_SSLv3);
curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, "AES256-SHA");
/* currently skip any peer authentication */
curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
// NOTE: use of CONNECTTIMEOUT without also
// setting NOSIGNAL results in really weird
// crashes on my system!
curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
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;
}
MHD_stop_daemon (d);
curl_easy_cleanup (c);
free (cbc.buf);
return 0;
}
int
main (int argc, char *const *argv)
{
FILE *test_fd;
unsigned int errorCount = 0;
if (curl_check_version (MHD_REQ_CURL_VERSION))
{
return -1;
}
if (0 != curl_global_init (CURL_GLOBAL_ALL))
{
fprintf (stderr, "Error (code: %u)\n", errorCount);
return -1;
}
errorCount += test_query_session (test_fd);
if (errorCount != 0)
fprintf (stderr, "Failed test: %s.\n", argv[0]);
curl_global_cleanup ();
return errorCount != 0;
}
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