}
-
-/**
- * Handle to auto-configuration in progress.
- */
-struct GNUNET_NAT_AutoHandle
-{
-
- /**
- * Configuration we use.
- */
- const struct GNUNET_CONFIGURATION_Handle *cfg;
-
- /**
- * Message queue for communicating with the NAT service.
- */
- struct GNUNET_MQ_Handle *mq;
-
- /**
- * Function called with the result from the autoconfiguration.
- */
- GNUNET_NAT_AutoResultCallback arc;
-
- /**
- * Closure for @e arc.
- */
- void *arc_cls;
-
-};
-
-
-/**
- * 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)
-{
- switch (err)
- {
- case GNUNET_NAT_ERROR_SUCCESS:
- return _ ("Operation Successful");
- case GNUNET_NAT_ERROR_IPC_FAILURE:
- return _ ("IPC failure");
- case GNUNET_NAT_ERROR_INTERNAL_NETWORK_ERROR:
- return _ ("Failure in network subsystem, check permissions.");
- case GNUNET_NAT_ERROR_TIMEOUT:
- return _ ("Encountered timeout while performing operation");
- case GNUNET_NAT_ERROR_NOT_ONLINE:
- return _ ("detected that we are offline");
- case GNUNET_NAT_ERROR_UPNPC_NOT_FOUND:
- return _ ("`upnpc` command not found");
- case GNUNET_NAT_ERROR_UPNPC_FAILED:
- return _ ("Failed to run `upnpc` command");
- case GNUNET_NAT_ERROR_UPNPC_TIMEOUT:
- return _ ("`upnpc' command took too long, process killed");
- case GNUNET_NAT_ERROR_UPNPC_PORTMAP_FAILED:
- return _ ("`upnpc' command failed to establish port mapping");
- case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_NOT_FOUND:
- return _ ("`external-ip' command not found");
- case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_FAILED:
- return _ ("Failed to run `external-ip` command");
- case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_OUTPUT_INVALID:
- return _ ("`external-ip' command output invalid");
- case GNUNET_NAT_ERROR_EXTERNAL_IP_ADDRESS_INVALID:
- return _ ("no valid address was returned by `external-ip'");
- case GNUNET_NAT_ERROR_NO_VALID_IF_IP_COMBO:
- return _ ("Could not determine interface with internal/local network address");
- case GNUNET_NAT_ERROR_HELPER_NAT_SERVER_NOT_FOUND:
- return _ ("No functioning gnunet-helper-nat-server installation found");
- case GNUNET_NAT_ERROR_NAT_TEST_START_FAILED:
- return _ ("NAT test could not be initialized");
- case GNUNET_NAT_ERROR_NAT_TEST_TIMEOUT:
- return _ ("NAT test timeout reached");
- case GNUNET_NAT_ERROR_NAT_REGISTER_FAILED:
- return _ ("could not register NAT");
- case GNUNET_NAT_ERROR_HELPER_NAT_CLIENT_NOT_FOUND:
- return _ ("No working gnunet-helper-nat-client installation found");
- default:
- return "unknown status code";
- }
-}
-
-
-/**
- * Check result from autoconfiguration attempt.
- *
- * @param cls the `struct GNUNET_NAT_AutoHandle`
- * @param res the result
- * @return #GNUNET_OK if @a res is well-formed (always for now)
- */
-static int
-check_auto_result (void *cls,
- const struct GNUNET_NAT_AutoconfigResultMessage *res)
-{
- return GNUNET_OK;
-}
-
-
-/**
- * Handle result from autoconfiguration attempt.
- *
- * @param cls the `struct GNUNET_NAT_AutoHandle`
- * @param res the result
- */
-static void
-handle_auto_result (void *cls,
- const struct GNUNET_NAT_AutoconfigResultMessage *res)
-{
- struct GNUNET_NAT_AutoHandle *ah = cls;
- size_t left;
- struct GNUNET_CONFIGURATION_Handle *cfg;
- enum GNUNET_NAT_Type type
- = (enum GNUNET_NAT_Type) ntohl (res->type);
- enum GNUNET_NAT_StatusCode status
- = (enum GNUNET_NAT_StatusCode) ntohl (res->status_code);
-
- left = ntohs (res->header.size) - sizeof (*res);
- cfg = GNUNET_CONFIGURATION_create ();
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_deserialize (cfg,
- (const char *) &res[1],
- left,
- GNUNET_NO))
- {
- GNUNET_break (0);
- ah->arc (ah->arc_cls,
- NULL,
- GNUNET_NAT_ERROR_IPC_FAILURE,
- type);
- }
- else
- {
- ah->arc (ah->arc_cls,
- cfg,
- status,
- type);
- }
- GNUNET_CONFIGURATION_destroy (cfg);
- GNUNET_NAT_autoconfig_cancel (ah);
-}
-
-
-/**
- * Handle queue errors by reporting autoconfiguration failure.
- *
- * @param cls the `struct GNUNET_NAT_AutoHandle *`
- * @param error details about the error
- */
-static void
-ah_error_handler (void *cls,
- enum GNUNET_MQ_Error error)
-{
- struct GNUNET_NAT_AutoHandle *ah = cls;
-
- ah->arc (ah->arc_cls,
- NULL,
- GNUNET_NAT_ERROR_IPC_FAILURE,
- GNUNET_NAT_TYPE_UNKNOWN);
- GNUNET_NAT_autoconfig_cancel (ah);
-}
-
-
-/**
- * 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)
-{
- struct GNUNET_NAT_AutoHandle *ah = GNUNET_new (struct GNUNET_NAT_AutoHandle);
- struct GNUNET_MQ_MessageHandler handlers[] = {
- GNUNET_MQ_hd_var_size (auto_result,
- GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT,
- struct GNUNET_NAT_AutoconfigResultMessage,
- ah),
- GNUNET_MQ_handler_end ()
- };
- struct GNUNET_MQ_Envelope *env;
- struct GNUNET_NAT_AutoconfigRequestMessage *req;
- char *buf;
- size_t size;
-
- buf = GNUNET_CONFIGURATION_serialize (cfg,
- &size);
- if (size > GNUNET_SERVER_MAX_MESSAGE_SIZE - sizeof (*req))
- {
- GNUNET_break (0);
- GNUNET_free (buf);
- GNUNET_free (ah);
- return NULL;
- }
- ah->arc = cb;
- ah->arc_cls = cb_cls;
- ah->mq = GNUNET_CLIENT_connecT (cfg,
- "nat",
- handlers,
- &ah_error_handler,
- ah);
- if (NULL == ah->mq)
- {
- GNUNET_break (0);
- GNUNET_free (buf);
- GNUNET_free (ah);
- return NULL;
- }
- env = GNUNET_MQ_msg_extra (req,
- size,
- GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG);
- GNUNET_memcpy (&req[1],
- buf,
- size);
- GNUNET_free (buf);
- GNUNET_MQ_send (ah->mq,
- env);
- return ah;
-}
-
-
-/**
- * Abort autoconfiguration.
- *
- * @param ah handle for operation to abort
- */
-void
-GNUNET_NAT_autoconfig_cancel (struct GNUNET_NAT_AutoHandle *ah)
-{
- GNUNET_MQ_destroy (ah->mq);
- GNUNET_free (ah);
-}
-
/* end of nat_api.c */
--- /dev/null
+
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2007-2016 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 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.
+*/
+
+/**
+ * @author Christian Grothoff
+ * @author Milan Bouchet-Valat
+ *
+ * @file nat/nat_api_auto.c.c
+ * Routines for NAT auto configuration.
+ */
+#include "platform.h"
+#include "gnunet_nat_service.h"
+#include "nat.h"
+#include "nat_stun.h"
+
+
+
+/**
+ * Handle to auto-configuration in progress.
+ */
+struct GNUNET_NAT_AutoHandle
+{
+
+ /**
+ * Configuration we use.
+ */
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * Message queue for communicating with the NAT service.
+ */
+ struct GNUNET_MQ_Handle *mq;
+
+ /**
+ * Function called with the result from the autoconfiguration.
+ */
+ GNUNET_NAT_AutoResultCallback arc;
+
+ /**
+ * Closure for @e arc.
+ */
+ void *arc_cls;
+
+};
+
+
+/**
+ * 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)
+{
+ switch (err)
+ {
+ case GNUNET_NAT_ERROR_SUCCESS:
+ return _ ("Operation Successful");
+ case GNUNET_NAT_ERROR_IPC_FAILURE:
+ return _ ("IPC failure");
+ case GNUNET_NAT_ERROR_INTERNAL_NETWORK_ERROR:
+ return _ ("Failure in network subsystem, check permissions.");
+ case GNUNET_NAT_ERROR_TIMEOUT:
+ return _ ("Encountered timeout while performing operation");
+ case GNUNET_NAT_ERROR_NOT_ONLINE:
+ return _ ("detected that we are offline");
+ case GNUNET_NAT_ERROR_UPNPC_NOT_FOUND:
+ return _ ("`upnpc` command not found");
+ case GNUNET_NAT_ERROR_UPNPC_FAILED:
+ return _ ("Failed to run `upnpc` command");
+ case GNUNET_NAT_ERROR_UPNPC_TIMEOUT:
+ return _ ("`upnpc' command took too long, process killed");
+ case GNUNET_NAT_ERROR_UPNPC_PORTMAP_FAILED:
+ return _ ("`upnpc' command failed to establish port mapping");
+ case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_NOT_FOUND:
+ return _ ("`external-ip' command not found");
+ case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_FAILED:
+ return _ ("Failed to run `external-ip` command");
+ case GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_OUTPUT_INVALID:
+ return _ ("`external-ip' command output invalid");
+ case GNUNET_NAT_ERROR_EXTERNAL_IP_ADDRESS_INVALID:
+ return _ ("no valid address was returned by `external-ip'");
+ case GNUNET_NAT_ERROR_NO_VALID_IF_IP_COMBO:
+ return _ ("Could not determine interface with internal/local network address");
+ case GNUNET_NAT_ERROR_HELPER_NAT_SERVER_NOT_FOUND:
+ return _ ("No functioning gnunet-helper-nat-server installation found");
+ case GNUNET_NAT_ERROR_NAT_TEST_START_FAILED:
+ return _ ("NAT test could not be initialized");
+ case GNUNET_NAT_ERROR_NAT_TEST_TIMEOUT:
+ return _ ("NAT test timeout reached");
+ case GNUNET_NAT_ERROR_NAT_REGISTER_FAILED:
+ return _ ("could not register NAT");
+ case GNUNET_NAT_ERROR_HELPER_NAT_CLIENT_NOT_FOUND:
+ return _ ("No working gnunet-helper-nat-client installation found");
+ default:
+ return "unknown status code";
+ }
+}
+
+
+/**
+ * Check result from autoconfiguration attempt.
+ *
+ * @param cls the `struct GNUNET_NAT_AutoHandle`
+ * @param res the result
+ * @return #GNUNET_OK if @a res is well-formed (always for now)
+ */
+static int
+check_auto_result (void *cls,
+ const struct GNUNET_NAT_AutoconfigResultMessage *res)
+{
+ return GNUNET_OK;
+}
+
+
+/**
+ * Handle result from autoconfiguration attempt.
+ *
+ * @param cls the `struct GNUNET_NAT_AutoHandle`
+ * @param res the result
+ */
+static void
+handle_auto_result (void *cls,
+ const struct GNUNET_NAT_AutoconfigResultMessage *res)
+{
+ struct GNUNET_NAT_AutoHandle *ah = cls;
+ size_t left;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ enum GNUNET_NAT_Type type
+ = (enum GNUNET_NAT_Type) ntohl (res->type);
+ enum GNUNET_NAT_StatusCode status
+ = (enum GNUNET_NAT_StatusCode) ntohl (res->status_code);
+
+ left = ntohs (res->header.size) - sizeof (*res);
+ cfg = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_deserialize (cfg,
+ (const char *) &res[1],
+ left,
+ GNUNET_NO))
+ {
+ GNUNET_break (0);
+ ah->arc (ah->arc_cls,
+ NULL,
+ GNUNET_NAT_ERROR_IPC_FAILURE,
+ type);
+ }
+ else
+ {
+ ah->arc (ah->arc_cls,
+ cfg,
+ status,
+ type);
+ }
+ GNUNET_CONFIGURATION_destroy (cfg);
+ GNUNET_NAT_autoconfig_cancel (ah);
+}
+
+
+/**
+ * Handle queue errors by reporting autoconfiguration failure.
+ *
+ * @param cls the `struct GNUNET_NAT_AutoHandle *`
+ * @param error details about the error
+ */
+static void
+ah_error_handler (void *cls,
+ enum GNUNET_MQ_Error error)
+{
+ struct GNUNET_NAT_AutoHandle *ah = cls;
+
+ ah->arc (ah->arc_cls,
+ NULL,
+ GNUNET_NAT_ERROR_IPC_FAILURE,
+ GNUNET_NAT_TYPE_UNKNOWN);
+ GNUNET_NAT_autoconfig_cancel (ah);
+}
+
+
+/**
+ * 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)
+{
+ struct GNUNET_NAT_AutoHandle *ah = GNUNET_new (struct GNUNET_NAT_AutoHandle);
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_var_size (auto_result,
+ GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT,
+ struct GNUNET_NAT_AutoconfigResultMessage,
+ ah),
+ GNUNET_MQ_handler_end ()
+ };
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_NAT_AutoconfigRequestMessage *req;
+ char *buf;
+ size_t size;
+
+ buf = GNUNET_CONFIGURATION_serialize (cfg,
+ &size);
+ if (size > GNUNET_SERVER_MAX_MESSAGE_SIZE - sizeof (*req))
+ {
+ GNUNET_break (0);
+ GNUNET_free (buf);
+ GNUNET_free (ah);
+ return NULL;
+ }
+ ah->arc = cb;
+ ah->arc_cls = cb_cls;
+ ah->mq = GNUNET_CLIENT_connecT (cfg,
+ "nat",
+ handlers,
+ &ah_error_handler,
+ ah);
+ if (NULL == ah->mq)
+ {
+ GNUNET_break (0);
+ GNUNET_free (buf);
+ GNUNET_free (ah);
+ return NULL;
+ }
+ env = GNUNET_MQ_msg_extra (req,
+ size,
+ GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG);
+ GNUNET_memcpy (&req[1],
+ buf,
+ size);
+ GNUNET_free (buf);
+ GNUNET_MQ_send (ah->mq,
+ env);
+ return ah;
+}
+
+
+/**
+ * Abort autoconfiguration.
+ *
+ * @param ah handle for operation to abort
+ */
+void
+GNUNET_NAT_autoconfig_cancel (struct GNUNET_NAT_AutoHandle *ah)
+{
+ GNUNET_MQ_destroy (ah->mq);
+ GNUNET_free (ah);
+}
+
+/* end of nat_api_auto.c */
projects / oweals / gnunet.git / commitdiff