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@@ -0,0 +1,397 @@
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+/*
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+ This file is part of libmicrohttpd
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+ (C) 2007 Christian Grothoff
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+
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+ libmicrohttpd is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published
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+ by the Free Software Foundation; either version 2, or (at your
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+ option) any later version.
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+
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+ libmicrohttpd is distributed in the hope that it will be useful, but
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+ WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with libmicrohttpd; see the file COPYING. If not, write to the
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+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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+ Boston, MA 02111-1307, USA.
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+ */
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+
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+/**
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+ * @file tls_daemon_options_dh_test.c
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+ * @brief Testcase for libmicrohttpd HTTPS GET operations
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+ * @author Sagie Amir
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+ */
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+
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+#include "platform.h"
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+#include "microhttpd.h"
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+
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+#include <sys/stat.h>
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+
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+#include "gnutls.h"
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+#include <curl/curl.h>
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+
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+#define DEBUG_CURL_VERBOSE 0
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+#define PAGE_NOT_FOUND "<html><head><title>File not found</title></head><body>File not found</body></html>"
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+
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+#define MHD_E_MEM "Error: memory error\n"
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+#define MHD_E_SERVER_INIT "Error: failed to start server\n"
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+#define MHD_E_TEST_FILE_CREAT "Error: failed to setup test file\n"
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+#define MHD_E_CERT_FILE_CREAT "Error: failed to setup test certificate\n"
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+#define MHD_E_KEY_FILE_CREAT "Error: failed to setup test certificate\n"
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+
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+#include "tls_test_keys.h"
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+
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+const int DEBUG_GNUTLS_LOG_LEVEL = 0;
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+const char *test_file_name = "https_test_file";
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+const char test_file_data[] = "Hello World\n";
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+
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+int curl_check_version (const char *req_version, ...);
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+
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+struct CBC
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+{
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+ char *buf;
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+ size_t pos;
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+ size_t size;
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+};
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+
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+static size_t
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+copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
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+{
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+ struct CBC *cbc = ctx;
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+
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+ if (cbc->pos + size * nmemb > cbc->size)
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+ return 0; /* overflow */
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+ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
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+ cbc->pos += size * nmemb;
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+ return size * nmemb;
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+}
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+
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+static int
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+file_reader (void *cls, size_t pos, char *buf, int max)
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+{
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+ FILE *file = cls;
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+ fseek (file, pos, SEEK_SET);
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+ return fread (buf, 1, max, file);
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+}
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+
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+/* HTTP access handler call back */
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+static int
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+http_ahc (void *cls, struct MHD_Connection *connection,
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+ const char *url, const char *method, const char *upload_data,
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+ const char *version, unsigned int *upload_data_size, void **ptr)
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+{
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+ static int aptr;
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+ struct MHD_Response *response;
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+ int ret;
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+ FILE *file;
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+ struct stat buf;
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+
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+ if (0 != strcmp (method, MHD_HTTP_METHOD_GET))
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+ return MHD_NO; /* unexpected method */
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+ if (&aptr != *ptr)
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+ {
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+ /* do never respond on first call */
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+ *ptr = &aptr;
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+ return MHD_YES;
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+ }
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+ *ptr = NULL; /* reset when done */
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+
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+ file = fopen (url, "r");
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+ if (file == NULL)
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+ {
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+ response = MHD_create_response_from_data (strlen (PAGE_NOT_FOUND),
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+ (void *) PAGE_NOT_FOUND,
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+ MHD_NO, MHD_NO);
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+ ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response);
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+ MHD_destroy_response (response);
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+ }
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+ else
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+ {
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+ stat (url, &buf);
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+ response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k PAGE_NOT_FOUND size */
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+ &file_reader, file,
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+ (MHD_ContentReaderFreeCallback)
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+ & fclose);
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+ ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
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+ MHD_destroy_response (response);
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+ }
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+ return ret;
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+}
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+
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+/*
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+ * test HTTPS transfer
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+ * @param test_fd: file to attempt transfering
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+ */
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+static int
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+test_https_transfer (FILE * test_fd, char *cipher_suite, int proto_version)
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+{
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+ CURL *c;
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+ CURLcode errornum;
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+ struct CBC cbc;
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+ char *doc_path;
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+ char url[255];
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+ struct stat statb;
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+
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+ stat (test_file_name, &statb);
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+
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+ int len = statb.st_size;
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+
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+ /* used to memcmp local copy & deamon supplied copy */
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+ unsigned char *mem_test_file_local;
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+
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+ /* setup test file path, url */
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+ doc_path = get_current_dir_name ();
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+
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+ if (NULL == (mem_test_file_local = malloc (len)))
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+ {
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+ fclose (test_fd);
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+ fprintf (stderr, MHD_E_MEM);
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+ return -1;
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+ }
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+
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+ fseek (test_fd, 0, SEEK_SET);
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+ if (fread (mem_test_file_local, sizeof (char), len, test_fd) != len)
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+ {
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+ fclose (test_fd);
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+ fprintf (stderr, "Error: failed to read test file. %s\n",
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+ strerror (errno));
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+ return -1;
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+ }
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+
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+ if (NULL == (cbc.buf = malloc (sizeof (char) * len)))
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+ {
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+ fclose (test_fd);
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+ fprintf (stderr, MHD_E_MEM);
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+ return -1;
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+ }
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+ cbc.size = len;
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+ cbc.pos = 0;
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+
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+ /* construct url - this might use doc_path */
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+ sprintf (url, "%s%s/%s", "https://localhost:42433",
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+ doc_path, test_file_name);
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+
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+ c = curl_easy_init ();
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+#if DEBUG_CURL_VERBOSE
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+ curl_easy_setopt (c, CURLOPT_VERBOSE, 1);
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+#endif
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+ curl_easy_setopt (c, CURLOPT_URL, url);
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+ curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
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+ curl_easy_setopt (c, CURLOPT_TIMEOUT, 5L);
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+ curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 5L);
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+ curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer);
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+ curl_easy_setopt (c, CURLOPT_FILE, &cbc);
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+
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+ /* TLS options */
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+ curl_easy_setopt (c, CURLOPT_SSLVERSION, proto_version);
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+ curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, cipher_suite);
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+
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+ /* currently skip any peer authentication */
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+ curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0);
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+ curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0);
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+
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+ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
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+
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+ /* NOTE: use of CONNECTTIMEOUT without also
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+ setting NOSIGNAL results in really weird
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+ crashes on my system! */
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+ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
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+ if (CURLE_OK != (errornum = curl_easy_perform (c)))
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+ {
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+ fprintf (stderr, "curl_easy_perform failed: `%s'\n",
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+ curl_easy_strerror (errornum));
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+ curl_easy_cleanup (c);
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+ return errornum;
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+ }
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+
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+ curl_easy_cleanup (c);
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+
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+ if (memcmp (cbc.buf, mem_test_file_local, len) != 0)
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+ {
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+ fprintf (stderr, "Error: local file & received file differ.\n");
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+ free (cbc.buf);
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+ free (mem_test_file_local);
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+ return -1;
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+ }
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+
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+ free (mem_test_file_local);
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+ free (cbc.buf);
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+ free (doc_path);
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+ return 0;
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+}
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+
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+FILE *
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+setupTestFile ()
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+{
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+ FILE *test_fd;
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+
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+ if (NULL == (test_fd = fopen (test_file_name, "w+")))
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+ {
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+ fprintf (stderr, "Error: failed to open `%s': %s\n",
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+ test_file_name, strerror (errno));
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+ return NULL;
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+ }
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+ if (fwrite (test_file_data, sizeof (char), strlen (test_file_data), test_fd)
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+ != strlen (test_file_data))
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+ {
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+ fprintf (stderr, "Error: failed to write `%s. %s'\n",
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+ test_file_name, strerror (errno));
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+ return NULL;
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+ }
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+ if (fflush (test_fd))
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+ {
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+ fprintf (stderr, "Error: failed to flush test file stream. %s\n",
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+ strerror (errno));
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+ return NULL;
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+ }
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+
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+ return test_fd;
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+}
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+
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+static int
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+setup (struct MHD_Daemon **d, va_list arg_list)
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+{
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+ *d = MHD_start_daemon_va (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL |
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+ MHD_USE_DEBUG, 42433,
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+ NULL, NULL, &http_ahc, NULL, arg_list);
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+
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+ if (*d == NULL)
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+ {
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+ fprintf (stderr, MHD_E_SERVER_INIT);
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+ return -1;
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+ }
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+
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+ return 0;
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+}
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+
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+static void
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+teardown (struct MHD_Daemon *d)
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+{
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+ MHD_stop_daemon (d);
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+}
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+
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+/* TODO test_wrap: change sig to (setup_func, test, va_list test_arg) & move to test_util.c */
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+int
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+test_wrap (char *test_name, int
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+ (*test) (FILE * test_fd, char *cipher_suite, int proto_version),
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+ FILE * test_fd, char *cipher_suite, int proto_version, ...)
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+{
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+ int ret;
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+ va_list arg_list;
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+ struct MHD_Daemon *d;
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+
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+ va_start (arg_list, proto_version);
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+ if (setup (&d, arg_list) != 0)
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+ {
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+ va_end (arg_list);
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+ return -1;
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+ }
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+
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+ fprintf (stdout, "running test: %s ", test_name);
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+ ret = test (test_fd, cipher_suite, proto_version);
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+
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+ if (ret == 0)
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+ {
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+ fprintf (stdout, "[pass]\n");
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+ }
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+ else
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+ {
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+ fprintf (stdout, "[fail]\n");
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+ }
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+
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+ teardown (d);
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+ va_end (arg_list);
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+ return ret;
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+}
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+
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+/*
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+ * test server refuses to negotiate connections with unsupported protocol versions
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+ */
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+int
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+test_protocol_version (FILE * test_fd, char *cipher_suite,
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+ int curl_proto_version)
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+{
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+ CURL *c;
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+ CURLcode errornum;
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+
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+ c = curl_easy_init ();
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+#if DEBUG_CURL_VERBOSE
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_VERBOSE, 1);
|
|
|
|
|
+#endif
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_URL, "https://localhost:42433/");
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_TIMEOUT, 5L);
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 5L);
|
|
|
|
|
+
|
|
|
|
|
+ /* TLS options */
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_SSLVERSION, curl_proto_version);
|
|
|
|
|
+ curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, cipher_suite);
|
|
|
|
|
+
|
|
|
|
|
+ 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);
|
|
|
|
|
+
|
|
|
|
|
+ /* assert daemon rejected request */
|
|
|
|
|
+ if (CURLE_OK == (errornum = curl_easy_perform (c)))
|
|
|
|
|
+ {
|
|
|
|
|
+ fprintf (stderr, "curl_easy_perform failed: `%s'\n",
|
|
|
|
|
+ curl_easy_strerror (errornum));
|
|
|
|
|
+ curl_easy_cleanup (c);
|
|
|
|
|
+ return -1;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ return 0;
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+/* setup a temporary transfer test file */
|
|
|
|
|
+int
|
|
|
|
|
+main (int argc, char *const *argv)
|
|
|
|
|
+{
|
|
|
|
|
+ FILE *test_fd;
|
|
|
|
|
+ unsigned int errorCount = 0;
|
|
|
|
|
+
|
|
|
|
|
+ MHD_gtls_global_set_log_level (DEBUG_GNUTLS_LOG_LEVEL);
|
|
|
|
|
+
|
|
|
|
|
+ if (curl_check_version (MHD_REQ_CURL_VERSION))
|
|
|
|
|
+ {
|
|
|
|
|
+ return -1;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ if ((test_fd = setupTestFile ()) == NULL)
|
|
|
|
|
+ {
|
|
|
|
|
+ fprintf (stderr, MHD_E_TEST_FILE_CREAT);
|
|
|
|
|
+ return -1;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ if (0 != curl_global_init (CURL_GLOBAL_ALL))
|
|
|
|
|
+ {
|
|
|
|
|
+ fprintf (stderr, "Error: %s\n", strerror (errno));
|
|
|
|
|
+ return -1;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ int cipher[] = { MHD_GNUTLS_CIPHER_3DES_CBC, 0 };
|
|
|
|
|
+ int kx[] = { MHD_GNUTLS_KX_ANON_DH, 0 };
|
|
|
|
|
+
|
|
|
|
|
+ errorCount +=
|
|
|
|
|
+ test_wrap ("kx ANON_DH", &test_https_transfer, test_fd,
|
|
|
|
|
+ "ADH-DES-CBC3-SHA", CURL_SSLVERSION_TLSv1,
|
|
|
|
|
+ MHD_OPTION_CRED_TYPE, MHD_GNUTLS_CRD_ANON,
|
|
|
|
|
+ MHD_OPTION_CIPHER_ALGORITHM, cipher, MHD_OPTION_KX_PRIORITY,
|
|
|
|
|
+ kx, MHD_OPTION_END);
|
|
|
|
|
+ if (errorCount != 0)
|
|
|
|
|
+ fprintf (stderr, "Failed test: %s.\n", argv[0]);
|
|
|
|
|
+
|
|
|
|
|
+ curl_global_cleanup ();
|
|
|
|
|
+ fclose (test_fd);
|
|
|
|
|
+
|
|
|
|
|
+ remove (test_file_name);
|
|
|
|
|
+
|
|
|
|
|
+ return errorCount != 0;
|
|
|
|
|
+}
|