/*
This file is part of GNUnet
- (C) 2007, 2009, 2011, 2012 Christian Grothoff
+ Copyright (C) 2007, 2009, 2011, 2012 Christian Grothoff
- GNUnet 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.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @author Christian Grothoff
*/
#include "platform.h"
-#include <curl/curl.h>
+/* Just included for the right curl.h */
+#include "gnunet_curl_lib.h"
#include <microhttpd.h>
#include "gnunet_vpn_service.h"
-#include "gnunet_testing_lib-new.h"
+#include "gnunet_testing_lib.h"
#define PORT 48080
static struct MHD_Daemon *mhd;
-static GNUNET_SCHEDULER_TaskIdentifier mhd_task_id;
+static struct GNUNET_SCHEDULER_Task *mhd_task_id;
-static GNUNET_SCHEDULER_TaskIdentifier curl_task_id;
+static struct GNUNET_SCHEDULER_Task *curl_task_id;
-static GNUNET_SCHEDULER_TaskIdentifier ctrl_c_task_id;
+static struct GNUNET_SCHEDULER_Task *timeout_task_id;
static struct GNUNET_VPN_RedirectionRequest *rr;
{
struct CBC *cbc = ctx;
- if (cbc->pos + size * nmemb > sizeof(cbc->buf))
+ if (cbc->pos + size * nmemb > sizeof (cbc->buf))
return 0; /* overflow */
- memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
+ GNUNET_memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
cbc->pos += size * nmemb;
return size * nmemb;
}
static int
mhd_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 **unused)
+ struct MHD_Connection *connection,
+ const char *url,
+ const char *method,
+ const char *version,
+ const char *upload_data,
+ size_t * upload_data_size,
+ void **unused)
{
static int ptr;
struct MHD_Response *response;
return MHD_YES;
}
*unused = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MHD sends respose for request to URL `%s'\n", url);
- response = MHD_create_response_from_buffer (strlen (url),
- (void *) url,
- MHD_RESPMEM_MUST_COPY);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MHD sends respose for request to URL `%s'\n", url);
+ response =
+ MHD_create_response_from_buffer (strlen (url), (void *) url,
+ MHD_RESPMEM_MUST_COPY);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
if (ret == MHD_NO)
static void
-do_shutdown ()
+do_shutdown (void *cls)
{
- if (mhd_task_id != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != mhd_task_id)
{
GNUNET_SCHEDULER_cancel (mhd_task_id);
- mhd_task_id = GNUNET_SCHEDULER_NO_TASK;
+ mhd_task_id = NULL;
}
- if (curl_task_id != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != curl_task_id)
{
GNUNET_SCHEDULER_cancel (curl_task_id);
- curl_task_id = GNUNET_SCHEDULER_NO_TASK;
+ curl_task_id = NULL;
}
- if (ctrl_c_task_id != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != timeout_task_id)
{
- GNUNET_SCHEDULER_cancel (ctrl_c_task_id);
- ctrl_c_task_id = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_SCHEDULER_cancel (timeout_task_id);
+ timeout_task_id = NULL;
}
if (NULL != mhd)
{
* Function to run the HTTP client.
*/
static void
-curl_main (void);
-
-
-static void
-curl_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- curl_task_id = GNUNET_SCHEDULER_NO_TASK;
- curl_main ();
-}
-
-
-static void
-curl_main ()
+curl_main (void *cls)
{
fd_set rs;
fd_set ws;
int running;
struct CURLMsg *msg;
+ curl_task_id = NULL;
max = 0;
FD_ZERO (&rs);
FD_ZERO (&ws);
{
if (msg->data.result != CURLE_OK)
{
- fprintf (stderr,
- "%s failed at %s:%d: `%s'\n",
- "curl_multi_perform",
- __FILE__,
- __LINE__, curl_easy_strerror (msg->data.result));
- global_ret = 1;
+ fprintf (stderr, "%s failed at %s:%d: `%s'\n", "curl_multi_perform",
+ __FILE__, __LINE__, curl_easy_strerror (msg->data.result));
+ global_ret = 1;
}
}
curl_multi_remove_handle (multi, curl);
if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
{
GNUNET_break (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "You might want to check if your host-based firewall is blocking the connections.\n");
global_ret = 3;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download complete, shutting down!\n");
- do_shutdown ();
- return;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
}
- GNUNET_assert (CURLM_OK == curl_multi_fdset (multi, &rs, &ws, &es, &max));
- if ( (CURLM_OK != curl_multi_timeout (multi, &timeout)) ||
- (-1 == timeout) )
+ GNUNET_assert (CURLM_OK == curl_multi_fdset (multi, &rs, &ws, &es, &max));
+ if ((CURLM_OK != curl_multi_timeout (multi, &timeout)) || (-1 == timeout))
delay = GNUNET_TIME_UNIT_SECONDS;
else
- delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, (unsigned int) timeout);
- GNUNET_NETWORK_fdset_copy_native (&nrs,
- &rs,
- max + 1);
- GNUNET_NETWORK_fdset_copy_native (&nws,
- &ws,
- max + 1);
- curl_task_id = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- delay,
- &nrs,
- &nws,
- &curl_task,
- NULL);
+ delay =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ (unsigned int) timeout);
+ GNUNET_NETWORK_fdset_copy_native (&nrs, &rs, max + 1);
+ GNUNET_NETWORK_fdset_copy_native (&nws, &ws, max + 1);
+ curl_task_id =
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT, delay,
+ &nrs, &nws, &curl_main, NULL);
}
* will match 'result_af' from the request
* @param address IP address (struct in_addr or struct in_addr6, depending on 'af')
* that the VPN allocated for the redirection;
- * traffic to this IP will now be redirected to the
+ * traffic to this IP will now be redirected to the
* specified target peer; NULL on error
*/
static void
-allocation_cb (void *cls,
- int af,
- const void *address)
+allocation_cb (void *cls, int af, const void *address)
{
char ips[INET6_ADDRSTRLEN];
rr = NULL;
if (src_af != af)
{
- fprintf (stderr,
- "VPN failed to allocate appropriate address\n");
+ fprintf (stderr,
+ "VPN failed to allocate appropriate address\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
- GNUNET_asprintf (&url,
- "http://%s:%u/hello_world",
- inet_ntop (af, address, ips, sizeof (ips)),
- (unsigned int) PORT);
+ if (AF_INET6 == af)
+ GNUNET_asprintf (&url,
+ "http://[%s]:%u/hello_world",
+ inet_ntop (af,
+ address,
+ ips,
+ sizeof (ips)),
+ (unsigned int) PORT);
+ else
+ GNUNET_asprintf (&url,
+ "http://%s:%u/hello_world",
+ inet_ntop (af,
+ address,
+ ips,
+ sizeof (ips)),
+ (unsigned int) PORT);
curl = curl_easy_init ();
curl_easy_setopt (curl, CURLOPT_URL, url);
curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, ©_buffer);
curl_easy_setopt (curl, CURLOPT_TIMEOUT, 150L);
curl_easy_setopt (curl, CURLOPT_CONNECTTIMEOUT, 15L);
curl_easy_setopt (curl, CURLOPT_NOSIGNAL, 1);
+ curl_easy_setopt (curl, CURLOPT_VERBOSE, 0);
multi = curl_multi_init ();
GNUNET_assert (multi != NULL);
GNUNET_assert (CURLM_OK == curl_multi_add_handle (multi, curl));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Beginning HTTP download from `%s'\n", url);
- curl_main ();
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Beginning HTTP download from `%s'\n",
+ url);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &curl_main,
+ NULL);
}
/**
* Function to keep the HTTP server running.
*/
-static void
+static void
mhd_main (void);
static void
-mhd_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+mhd_task (void *cls)
{
- mhd_task_id = GNUNET_SCHEDULER_NO_TASK;
+ mhd_task_id = NULL;
MHD_run (mhd);
mhd_main ();
}
static void
-ctrl_c_shutdown (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_timeout (void *cls)
{
- ctrl_c_task_id = GNUNET_SCHEDULER_NO_TASK;
- do_shutdown ();
+ timeout_task_id = NULL;
+ GNUNET_SCHEDULER_shutdown ();
GNUNET_break (0);
global_ret = 1;
}
-static void
+static void
mhd_main ()
{
struct GNUNET_NETWORK_FDSet nrs;
unsigned MHD_LONG_LONG timeout;
struct GNUNET_TIME_Relative delay;
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == mhd_task_id);
+ GNUNET_assert (NULL == mhd_task_id);
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
max_fd = -1;
- GNUNET_assert (MHD_YES ==
- MHD_get_fdset (mhd, &rs, &ws, &es, &max_fd));
+ GNUNET_assert (MHD_YES == MHD_get_fdset (mhd, &rs, &ws, &es, &max_fd));
if (MHD_YES == MHD_get_timeout (mhd, &timeout))
- delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
- (unsigned int) timeout);
+ delay =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ (unsigned int) timeout);
else
delay = GNUNET_TIME_UNIT_FOREVER_REL;
- GNUNET_NETWORK_fdset_copy_native (&nrs,
- &rs,
- max_fd + 1);
- GNUNET_NETWORK_fdset_copy_native (&nws,
- &ws,
- max_fd + 1);
- mhd_task_id = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- delay,
- &nrs,
- &nws,
- &mhd_task,
- NULL);
+ GNUNET_NETWORK_fdset_copy_native (&nrs, &rs, max_fd + 1);
+ GNUNET_NETWORK_fdset_copy_native (&nws, &ws, max_fd + 1);
+ mhd_task_id =
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT, delay,
+ &nrs, &nws, &mhd_task, NULL);
}
enum MHD_FLAG flags;
vpn = GNUNET_VPN_connect (cfg);
- GNUNET_assert (NULL != vpn);
+ GNUNET_assert (NULL != vpn);
flags = MHD_USE_DEBUG;
if (AF_INET6 == dest_af)
flags |= MHD_USE_IPv6;
- mhd = MHD_start_daemon (flags,
- PORT,
- NULL, NULL,
- &mhd_ahc, NULL,
- MHD_OPTION_END);
+ mhd =
+ MHD_start_daemon (flags, PORT, NULL, NULL, &mhd_ahc, NULL,
+ MHD_OPTION_END);
+
+
GNUNET_assert (NULL != mhd);
mhd_main ();
addr = NULL;
default:
GNUNET_assert (0);
}
- rr = GNUNET_VPN_redirect_to_ip (vpn,
- src_af,
- dest_af,
- addr,
- GNUNET_YES,
- GNUNET_TIME_UNIT_FOREVER_ABS,
- &allocation_cb, NULL);
- ctrl_c_task_id = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
- &ctrl_c_shutdown,
- NULL);
-}
-
-
-/**
- * Test if the given AF is supported by this system.
- *
- * @param af to test
- * @return GNUNET_OK if the AF is supported
- */
-static int
-test_af (int af)
-{
- int s;
-
- s = socket (af, SOCK_STREAM, 0);
- if (-1 == s)
- {
- if (EAFNOSUPPORT == errno)
- return GNUNET_NO;
- fprintf (stderr, "Failed to create test socket: %s\n", STRERROR (errno));
- return GNUNET_SYSERR;
- }
- close (s);
- return GNUNET_OK;
+ rr = GNUNET_VPN_redirect_to_ip (vpn, src_af, dest_af, addr,
+ GNUNET_TIME_UNIT_FOREVER_ABS, &allocation_cb,
+ NULL);
+ timeout_task_id =
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ &do_timeout,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
+ NULL);
}
{
const char *type;
const char *bin;
-
+ char *vpn_binary;
+ char *exit_binary;
+ int ret = 0;
+
+#ifndef MINGW
if (0 != ACCESS ("/dev/net/tun", R_OK))
{
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
- "access",
- "/dev/net/tun");
+ "access",
+ "/dev/net/tun");
fprintf (stderr,
- "WARNING: System unable to run test, skipping.\n");
- return 0;
+ "WARNING: System unable to run test, skipping.\n");
+ return 77;
}
- if ( (GNUNET_YES !=
- GNUNET_OS_check_helper_binary ("gnunet-helper-vpn")) ||
- (GNUNET_YES !=
- GNUNET_OS_check_helper_binary ("gnunet-helper-exit")) )
+#endif
+ vpn_binary = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-vpn");
+ exit_binary = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-exit");
+ if ((GNUNET_YES != (ret = GNUNET_OS_check_helper_binary (vpn_binary, GNUNET_YES, "-d gnunet-vpn - - 169.1.3.3.7 255.255.255.0"))) || //ipv4 only please!
+ (GNUNET_YES != (ret = GNUNET_OS_check_helper_binary (exit_binary, GNUNET_YES, "-d gnunet-vpn - - - 169.1.3.3.7 255.255.255.0")))) //no nat, ipv4 only
{
+ GNUNET_free (vpn_binary);
+ GNUNET_free (exit_binary);
fprintf (stderr,
- "WARNING: gnunet-helper-{exit,vpn} binaries in $PATH are not SUID, refusing to run test (as it would have to fail).\n");
- fprintf (stderr,
- "Change $PATH ('.' in $PATH before $GNUNET_PREFIX/bin is problematic) or permissions (run 'make install' as root) to fix this!\n");
- return 0;
+ "WARNING: gnunet-helper-{exit,vpn} binaries are not SUID, refusing to run test (as it would have to fail). %d\n", ret);
+ return 77;
}
- GNUNET_CRYPTO_setup_hostkey ("test_gnunet_vpn.conf");
+
+ GNUNET_free (vpn_binary);
+ GNUNET_free (exit_binary);
bin = argv[0];
if (NULL != strstr (bin, "lt-"))
bin = strstr (bin, "lt-") + 4;
type = strstr (bin, "-");
if (NULL == type)
{
- fprintf (stderr, "invalid binary name\n");
+ fprintf (stderr,
+ "invalid binary name\n");
return 1;
}
type++;
- if (0 == strcmp (type, "4_to_6"))
+ /* on Windows, .exe is suffixed to these binaries,
+ * thus cease comparison after the 6th char.
+ */
+ if (0 == strncmp (type, "4_to_6",6))
{
dest_ip = "FC5A:04E1:C2BA::1";
dest_af = AF_INET6;
src_af = AF_INET;
- }
- else if (0 == strcmp (type, "6_to_4"))
+ }
+ else if (0 == strncmp (type, "6_to_4",6))
{
dest_ip = "169.254.86.1";
dest_af = AF_INET;
src_af = AF_INET6;
- }
- else if (0 == strcmp (type, "4_over"))
+ }
+ else if (0 == strncmp (type, "4_over",6))
{
dest_ip = "169.254.86.1";
dest_af = AF_INET;
src_af = AF_INET;
- }
- else if (0 == strcmp (type, "6_over"))
+ }
+ else if (0 == strncmp (type, "6_over",6))
{
dest_ip = "FC5A:04E1:C2BA::1";
dest_af = AF_INET6;
fprintf (stderr, "invalid binary suffix `%s'\n", type);
return 1;
}
- if ( (GNUNET_OK != test_af (src_af)) ||
- (GNUNET_OK != test_af (dest_af)) )
+ if ((GNUNET_OK != GNUNET_NETWORK_test_pf (src_af)) ||
+ (GNUNET_OK != GNUNET_NETWORK_test_pf (dest_af)))
{
- fprintf (stderr,
- "Required address families not supported by this system, skipping test.\n");
+ fprintf (stderr,
+ "Required address families not supported by this system, skipping test.\n");
return 0;
}
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
fprintf (stderr, "failed to initialize curl\n");
return 2;
}
- if (0 != GNUNET_TESTING_peer_run ("test-gnunet-vpn",
- "test_gnunet_vpn.conf",
- &run, NULL))
+ if (0 !=
+ GNUNET_TESTING_peer_run ("test-gnunet-vpn", "test_gnunet_vpn.conf", &run,
+ NULL))
return 1;
GNUNET_DISK_directory_remove ("/tmp/gnunet-test-vpn");
return global_ret;
}
/* end of test_gnunet_vpn.c */
-
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