/*
This file is part of GNUnet.
- Copyright (C) 2007-2016 GNUnet e.V.
+ Copyright (C) 2007-2017 GNUnet e.V.
- 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 3, 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.
-
- 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ 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/>.
*/
/**
GNUNET_NAT_AC_OTHER = 1,
/**
- * Addresses that are highly sensitive
+ * Flag for addresses that are highly sensitive
* (i.e. IPv6 with our MAC).
*/
GNUNET_NAT_AC_PRIVATE = 2,
/**
* Addresses useful in the local wired network,
* i.e. a MAC. Sensitive, but obvious to people nearby.
+ *
* Useful for broadcasts.
*/
GNUNET_NAT_AC_LAN = 8,
*/
GNUNET_NAT_AC_LOOPBACK = 64,
+ /**
+ * Addresses that should be our external IP address
+ * on the outside of a NAT. Might be incorrectly determined.
+ * Used as a bit in combination with #GNUNET_NAT_AC_GLOBAL,
+ * or in case of double-NAT with
+ * #GNUNET_NAT_AC_LAN.
+ */
+ GNUNET_NAT_AC_EXTERN = 128,
+
+ /**
+ * Addresses that were manually configured by the user.
+ * Used as a bit in combination with #GNUNET_NAT_AC_GLOBAL.
+ */
+ GNUNET_NAT_AC_MANUAL = 256,
+
/**
* Bitmask for "any" address.
*/
};
+/**
+ * Error Types for the NAT subsystem (which can then later be converted/resolved to a string)
+ */
+enum GNUNET_NAT_StatusCode
+{
+ /**
+ * Just the default
+ */
+ GNUNET_NAT_ERROR_SUCCESS = GNUNET_OK,
+
+ /**
+ * IPC Failure
+ */
+ GNUNET_NAT_ERROR_IPC_FAILURE,
+
+ /**
+ * Failure in network subsystem, check permissions
+ */
+ GNUNET_NAT_ERROR_INTERNAL_NETWORK_ERROR,
+
+ /**
+ * test timed out
+ */
+ GNUNET_NAT_ERROR_TIMEOUT,
+
+ /**
+ * detected that we are offline
+ */
+ GNUNET_NAT_ERROR_NOT_ONLINE,
+
+ /**
+ * `upnpc` command not found
+ */
+ GNUNET_NAT_ERROR_UPNPC_NOT_FOUND,
+
+ /**
+ * Failed to run `upnpc` command
+ */
+ GNUNET_NAT_ERROR_UPNPC_FAILED,
+
+ /**
+ * `upnpc' command took too long, process killed
+ */
+ GNUNET_NAT_ERROR_UPNPC_TIMEOUT,
+
+ /**
+ * `upnpc' command failed to establish port mapping
+ */
+ GNUNET_NAT_ERROR_UPNPC_PORTMAP_FAILED,
+
+ /**
+ * `external-ip' command not found
+ */
+ GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_NOT_FOUND,
+
+ /**
+ * Failed to run `external-ip` command
+ */
+ GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_FAILED,
+
+ /**
+ * `external-ip' command output invalid
+ */
+ GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_OUTPUT_INVALID,
+
+ /**
+ * "no valid address was returned by `external-ip'"
+ */
+ GNUNET_NAT_ERROR_EXTERNAL_IP_ADDRESS_INVALID,
+
+ /**
+ * Could not determine interface with internal/local network address
+ */
+ GNUNET_NAT_ERROR_NO_VALID_IF_IP_COMBO,
+
+ /**
+ * No working gnunet-helper-nat-server found
+ */
+ GNUNET_NAT_ERROR_HELPER_NAT_SERVER_NOT_FOUND,
+
+ /**
+ * NAT test could not be initialized
+ */
+ GNUNET_NAT_ERROR_NAT_TEST_START_FAILED,
+
+ /**
+ * NAT test timeout
+ */
+ GNUNET_NAT_ERROR_NAT_TEST_TIMEOUT,
+
+ /**
+ * NAT test failed to initiate
+ */
+ GNUNET_NAT_ERROR_NAT_REGISTER_FAILED,
+
+ /**
+ *
+ */
+ GNUNET_NAT_ERROR_HELPER_NAT_CLIENT_NOT_FOUND
+
+};
+
+
+
+/**
+ * What the situation of the NAT connectivity
+ */
+enum GNUNET_NAT_Type
+{
+ /**
+ * We have a direct connection
+ */
+ GNUNET_NAT_TYPE_NO_NAT = GNUNET_OK,
+
+ /**
+ * We are under a NAT but cannot traverse it
+ */
+ GNUNET_NAT_TYPE_UNREACHABLE_NAT,
+
+ /**
+ * We can traverse using STUN
+ */
+ GNUNET_NAT_TYPE_STUN_PUNCHED_NAT,
+
+ /**
+ * We can traverse using UPNP
+ */
+ GNUNET_NAT_TYPE_UPNP_NAT,
+
+ /**
+ * We know nothing about the NAT.
+ */
+ GNUNET_NAT_TYPE_UNKNOWN
+
+};
+
+
+
/**
* Signature of the callback passed to #GNUNET_NAT_register() for
* a function to call whenever our set of 'valid' addresses changes.
* reversal.
*
* @param cls closure
- * @param local_addr address where we received the request
- * @param local_addrlen actual length of the @a local_addr
* @param remote_addr public IP address of the other peer
* @param remote_addrlen actual length of the @a remote_addr
*/
typedef void
(*GNUNET_NAT_ReversalCallback) (void *cls,
- const struct sockaddr *local_addr,
- socklen_t local_addrlen,
const struct sockaddr *remote_addr,
socklen_t remote_addrlen);
* address_callback for any 'plausible' external address.
*
* @param cfg configuration to use
+ * @param config_section name of the configuration section for options
* @param proto protocol this is about, IPPROTO_TCP or IPPROTO_UDP
- * @param adv_port advertised port (port we are either bound to or that our OS
- * locally performs redirection from to our bound port).
* @param num_addrs number of addresses in @a addrs
* @param addrs list of local addresses packets should be redirected to
* @param addrlens actual lengths of the addresses in @a addrs
*/
struct GNUNET_NAT_Handle *
GNUNET_NAT_register (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *config_section,
uint8_t proto,
- uint16_t adv_port,
unsigned int num_addrs,
const struct sockaddr **addrs,
const socklen_t *addrlens,
GNUNET_NAT_unregister (struct GNUNET_NAT_Handle *nh);
-/**
- * Handle to a NAT test.
- */
-struct GNUNET_NAT_Test;
-
-
-/**
- * Error Types for the NAT subsystem (which can then later be converted/resolved to a string)
- */
-enum GNUNET_NAT_StatusCode
-{
- /**
- * Just the default
- */
- GNUNET_NAT_ERROR_SUCCESS = GNUNET_OK,
-
- /**
- * IPC Failure
- */
- GNUNET_NAT_ERROR_IPC_FAILURE,
-
- /**
- * Failure in network subsystem, check permissions
- */
- GNUNET_NAT_ERROR_INTERNAL_NETWORK_ERROR,
-
- /**
- * test timed out
- */
- GNUNET_NAT_ERROR_TIMEOUT,
-
- /**
- * detected that we are offline
- */
- GNUNET_NAT_ERROR_NOT_ONLINE,
-
- /**
- * `upnpc` command not found
- */
- GNUNET_NAT_ERROR_UPNPC_NOT_FOUND,
-
- /**
- * Failed to run `upnpc` command
- */
- GNUNET_NAT_ERROR_UPNPC_FAILED,
-
- /**
- * `upnpc' command took too long, process killed
- */
- GNUNET_NAT_ERROR_UPNPC_TIMEOUT,
-
- /**
- * `upnpc' command failed to establish port mapping
- */
- GNUNET_NAT_ERROR_UPNPC_PORTMAP_FAILED,
-
- /**
- * `external-ip' command not found
- */
- GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_NOT_FOUND,
-
- /**
- * Failed to run `external-ip` command
- */
- GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_FAILED,
-
- /**
- * `external-ip' command output invalid
- */
- GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_OUTPUT_INVALID,
-
- /**
- * "no valid address was returned by `external-ip'"
- */
- GNUNET_NAT_ERROR_EXTERNAL_IP_ADDRESS_INVALID,
-
- /**
- * Could not determine interface with internal/local network address
- */
- GNUNET_NAT_ERROR_NO_VALID_IF_IP_COMBO,
-
- /**
- * No working gnunet-helper-nat-server found
- */
- GNUNET_NAT_ERROR_HELPER_NAT_SERVER_NOT_FOUND,
-
- /**
- * NAT test could not be initialized
- */
- GNUNET_NAT_ERROR_NAT_TEST_START_FAILED,
-
- /**
- * NAT test timeout
- */
- GNUNET_NAT_ERROR_NAT_TEST_TIMEOUT,
-
- /**
- * NAT test failed to initiate
- */
- GNUNET_NAT_ERROR_NAT_REGISTER_FAILED,
-
- /**
- *
- */
- GNUNET_NAT_ERROR_HELPER_NAT_CLIENT_NOT_FOUND
-
-};
-
-
-/**
- * Function called to report success or failure for
- * NAT configuration test.
- *
- * @param cls closure
- * @param result #GNUNET_NAT_ERROR_SUCCESS on success, otherwise the specific error code
- */
-typedef void
-(*GNUNET_NAT_TestCallback) (void *cls,
- enum GNUNET_NAT_StatusCode result);
-
-
/**
* Handle an incoming STUN message. This function is useful as
* some GNUnet service may be listening on a UDP port and might
struct GNUNET_NAT_STUN_Handle;
+/**
+ * Function called to report success or failure for
+ * NAT configuration test.
+ *
+ * @param cls closure
+ * @param result #GNUNET_NAT_ERROR_SUCCESS on success, otherwise the specific error code
+ */
+typedef void
+(*GNUNET_NAT_TestCallback) (void *cls,
+ enum GNUNET_NAT_StatusCode result);
+
+
/**
* Make Generic STUN request. Sends a generic stun request to the
* server specified using the specified socket. If we do this,
GNUNET_NAT_stun_make_request_cancel (struct GNUNET_NAT_STUN_Handle *rh);
-/**
- * Start testing if NAT traversal works using the given configuration
- * (IPv4-only). The transport adapters should be down while using
- * this function.
- *
- * @param cfg configuration for the NAT traversal
- * @param proto protocol to test, i.e. IPPROTO_TCP or IPPROTO_UDP
- * @param bind_ip IPv4 address to bind to
- * @param bnd_port port to bind to, 0 to test connection reversal
- * @param extern_ip IPv4 address to externally advertise
- * @param extern_port externally advertised port to use
- * @param report function to call with the result of the test
- * @param report_cls closure for @a report
- * @return handle to cancel NAT test
- */
-struct GNUNET_NAT_Test *
-GNUNET_NAT_test_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
- uint8_t proto,
- struct in_addr bind_ip,
- uint16_t bnd_port,
- struct in_addr extern_ip,
- uint16_t extern_port,
- GNUNET_NAT_TestCallback report,
- void *report_cls);
-
-
-/**
- * Stop an active NAT test.
- *
- * @param tst test to stop.
- */
-void
-GNUNET_NAT_test_stop (struct GNUNET_NAT_Test *tst);
-
-
-/**
- * Handle to auto-configuration in progress.
- */
-struct GNUNET_NAT_AutoHandle;
-
-
-/**
- * What the situation of the NAT connectivity
- */
-enum GNUNET_NAT_Type
-{
- /**
- * We have a direct connection
- */
- GNUNET_NAT_TYPE_NO_NAT = GNUNET_OK,
-
- /**
- * We are under a NAT but cannot traverse it
- */
- GNUNET_NAT_TYPE_UNREACHABLE_NAT,
-
- /**
- * We can traverse using STUN
- */
- GNUNET_NAT_TYPE_STUN_PUNCHED_NAT,
-
- /**
- * We can traverse using UPNP
- */
- GNUNET_NAT_TYPE_UPNP_NAT,
-
- /**
- * We know nothing about the NAT.
- */
- GNUNET_NAT_TYPE_UNKNOWN
-
-};
-
-
-/**
- * Converts `enum GNUNET_NAT_StatusCode` to string
- *
- * @param err error code to resolve to a string
- * @return point to a static string containing the error code
- */
-const char *
-GNUNET_NAT_status2string (enum GNUNET_NAT_StatusCode err);
-
-
-/**
- * Function called with the result from the autoconfiguration.
- *
- * @param cls closure
- * @param diff minimal suggested changes to the original configuration
- * to make it work (as best as we can)
- * @param result #GNUNET_NAT_ERROR_SUCCESS on success, otherwise the specific error code
- * @param type what the situation of the NAT
- */
-typedef void
-(*GNUNET_NAT_AutoResultCallback)(void *cls,
- const struct GNUNET_CONFIGURATION_Handle *diff,
- enum GNUNET_NAT_StatusCode result,
- enum GNUNET_NAT_Type type);
-
-
-/**
- * Start auto-configuration routine. The transport adapters should
- * be stopped while this function is called.
- *
- * @param cfg initial configuration
- * @param cb function to call with autoconfiguration result
- * @param cb_cls closure for @a cb
- * @return handle to cancel operation
- */
-struct GNUNET_NAT_AutoHandle *
-GNUNET_NAT_autoconfig_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_NAT_AutoResultCallback cb,
- void *cb_cls);
-
-
-/**
- * Abort autoconfiguration.
- *
- * @param ah handle for operation to abort
- */
-void
-GNUNET_NAT_autoconfig_cancel (struct GNUNET_NAT_AutoHandle *ah);
-
-
#endif
/** @} */ /* end of group */