/*
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
*/
#include "platform.h"
#include "gnunet_nat_service.h"
+#include "nat.h"
+#include "nat_stun.h"
+
+
+/**
+ * Entry in DLL of addresses of this peer.
+ */
+struct AddrEntry
+{
+
+ /**
+ * DLL.
+ */
+ struct AddrEntry *next;
+
+ /**
+ * DLL.
+ */
+ struct AddrEntry *prev;
+
+ /**
+ * Address class of the address.
+ */
+ enum GNUNET_NAT_AddressClass ac;
+
+ /**
+ * Number of bytes that follow.
+ */
+ socklen_t addrlen;
+};
/**
* Configuration we use.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
-
+
/**
* Message queue for communicating with the NAT service.
*/
* Our registration message.
*/
struct GNUNET_MessageHeader *reg;
-
+
+ /**
+ * Head of address DLL.
+ */
+ struct AddrEntry *ae_head;
+
+ /**
+ * Tail of address DLL.
+ */
+ struct AddrEntry *ae_tail;
+
/**
* Function to call when our addresses change.
*/
GNUNET_NAT_AddressCallback address_callback;
-
+
/**
* Function to call when another peer requests connection reversal.
*/
GNUNET_NAT_ReversalCallback reversal_callback;
-
+
/**
* Closure for the various callbacks.
*/
void *callback_cls;
+ /**
+ * Task scheduled to reconnect to the service.
+ */
+ struct GNUNET_SCHEDULER_Task *reconnect_task;
+
+ /**
+ * How long to wait until we reconnect.
+ */
+ struct GNUNET_TIME_Relative reconnect_delay;
};
+/**
+ * Task to connect to the NAT service.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle *`
+ */
+static void
+do_connect (void *cls);
+
+
+/**
+ * Task to connect to the NAT service.
+ *
+ * @param nh handle to reconnect
+ */
+static void
+reconnect (struct GNUNET_NAT_Handle *nh)
+{
+ struct AddrEntry *ae;
+
+ if (NULL != nh->mq)
+ {
+ GNUNET_MQ_destroy (nh->mq);
+ nh->mq = NULL;
+ }
+ while (NULL != (ae = nh->ae_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (nh->ae_head,
+ nh->ae_tail,
+ ae);
+ nh->address_callback (nh->callback_cls,
+ GNUNET_NO,
+ ae->ac,
+ (const struct sockaddr *) &ae[1],
+ ae->addrlen);
+ GNUNET_free (ae);
+ }
+ nh->reconnect_delay
+ = GNUNET_TIME_STD_BACKOFF (nh->reconnect_delay);
+ nh->reconnect_task
+ = GNUNET_SCHEDULER_add_delayed (nh->reconnect_delay,
+ &do_connect,
+ nh);
+}
+
+
+/**
+ * Check connection reversal request.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle`
+ * @param crm the message
+ * @return #GNUNET_OK if @a crm is well-formed
+ */
+static int
+check_connection_reversal_request (void *cls,
+ const struct GNUNET_NAT_ConnectionReversalRequestedMessage *crm)
+{
+ if (ntohs (crm->header.size) !=
+ sizeof (*crm) +
+ sizeof (struct sockaddr_in) )
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Handle connection reversal request.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle`
+ * @param crm the message
+ */
+static void
+handle_connection_reversal_request (void *cls,
+ const struct GNUNET_NAT_ConnectionReversalRequestedMessage *crm)
+{
+ struct GNUNET_NAT_Handle *nh = cls;
+
+ nh->reversal_callback (nh->callback_cls,
+ (const struct sockaddr *) &crm[1],
+ sizeof (struct sockaddr_in));
+}
+
+
+/**
+ * Check address change notification.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle`
+ * @param acn the message
+ * @return #GNUNET_OK if @a crm is well-formed
+ */
+static int
+check_address_change_notification (void *cls,
+ const struct GNUNET_NAT_AddressChangeNotificationMessage *acn)
+{
+ size_t alen = ntohs (acn->header.size) - sizeof (*acn);
+
+ switch (alen)
+ {
+ case sizeof (struct sockaddr_in):
+ {
+ const struct sockaddr_in *s4
+ = (const struct sockaddr_in *) &acn[1];
+ if (AF_INET != s4->sin_family)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ }
+ break;
+ case sizeof (struct sockaddr_in6):
+ {
+ const struct sockaddr_in6 *s6
+ = (const struct sockaddr_in6 *) &acn[1];
+ if (AF_INET6 != s6->sin6_family)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ }
+ break;
+ default:
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Handle connection reversal request.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle`
+ * @param acn the message
+ */
+static void
+handle_address_change_notification (void *cls,
+ const struct GNUNET_NAT_AddressChangeNotificationMessage *acn)
+{
+ struct GNUNET_NAT_Handle *nh = cls;
+ size_t alen = ntohs (acn->header.size) - sizeof (*acn);
+ const struct sockaddr *sa = (const struct sockaddr *) &acn[1];
+ enum GNUNET_NAT_AddressClass ac;
+ struct AddrEntry *ae;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received address change notification\n");
+ ac = (enum GNUNET_NAT_AddressClass) ntohl (acn->addr_class);
+ if (GNUNET_YES == ntohl (acn->add_remove))
+ {
+ ae = GNUNET_malloc (sizeof (*ae) + alen);
+ ae->ac = ac;
+ ae->addrlen = alen;
+ GNUNET_memcpy (&ae[1],
+ sa,
+ alen);
+ GNUNET_CONTAINER_DLL_insert (nh->ae_head,
+ nh->ae_tail,
+ ae);
+ }
+ else
+ {
+ for (ae = nh->ae_head; NULL != ae; ae = ae->next)
+ if ( (ae->addrlen == alen) &&
+ (0 == memcmp (&ae[1],
+ sa,
+ alen)) )
+ break;
+ if (NULL == ae)
+ {
+ GNUNET_break (0);
+ reconnect (nh);
+ return;
+ }
+ GNUNET_CONTAINER_DLL_remove (nh->ae_head,
+ nh->ae_tail,
+ ae);
+ GNUNET_free (ae);
+ }
+ nh->address_callback (nh->callback_cls,
+ ntohl (acn->add_remove),
+ ac,
+ sa,
+ alen);
+}
+
+
+/**
+ * Handle queue errors by reconnecting to NAT.
+ *
+ * @param cls the `struct GNUNET_NAT_Handle *`
+ * @param error details about the error
+ */
+static void
+mq_error_handler (void *cls,
+ enum GNUNET_MQ_Error error)
+{
+ struct GNUNET_NAT_Handle *nh = cls;
+
+ reconnect (nh);
+}
+
+
+/**
+ * Task to connect to the NAT service.
+ *
+ * @param cls our `struct GNUNET_NAT_Handle *`
+ */
+static void
+do_connect (void *cls)
+{
+ struct GNUNET_NAT_Handle *nh = cls;
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_var_size (connection_reversal_request,
+ GNUNET_MESSAGE_TYPE_NAT_CONNECTION_REVERSAL_REQUESTED,
+ struct GNUNET_NAT_ConnectionReversalRequestedMessage,
+ nh),
+ GNUNET_MQ_hd_var_size (address_change_notification,
+ GNUNET_MESSAGE_TYPE_NAT_ADDRESS_CHANGE,
+ struct GNUNET_NAT_AddressChangeNotificationMessage,
+ nh),
+ GNUNET_MQ_handler_end ()
+ };
+ struct GNUNET_MQ_Envelope *env;
+
+ nh->reconnect_task = NULL;
+ nh->mq = GNUNET_CLIENT_connect (nh->cfg,
+ "nat",
+ handlers,
+ &mq_error_handler,
+ nh);
+ if (NULL == nh->mq)
+ {
+ reconnect (nh);
+ return;
+ }
+ env = GNUNET_MQ_msg_copy (nh->reg);
+ GNUNET_MQ_send (nh->mq,
+ env);
+}
+
+
/**
* Attempt to enable port redirection and detect public IP address
* contacting UPnP or NAT-PMP routers on the local network. Use @a
* address_callback for any 'plausible' external address.
*
* @param cfg configuration to use
+ * @param config_section name of the configuration section for optionsx
* @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_ReversalCallback reversal_callback,
void *callback_cls)
{
- struct GNUNET_NAT_Handle *nh = GNUNET_new (struct GNUNET_NAT_Handle);
-
+ struct GNUNET_NAT_Handle *nh;
+ struct GNUNET_NAT_RegisterMessage *rm;
+ size_t len;
+ size_t str_len;
+ char *off;
+
+ len = 0;
+ for (unsigned int i=0;i<num_addrs;i++)
+ len += addrlens[i];
+ str_len = strlen (config_section) + 1;
+ len += str_len;
+ if ( (len > GNUNET_MAX_MESSAGE_SIZE - sizeof (*rm)) ||
+ (num_addrs > UINT16_MAX) )
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
+ rm = GNUNET_malloc (sizeof (*rm) + len);
+ rm->header.size = htons (sizeof (*rm) + len);
+ rm->header.type = htons (GNUNET_MESSAGE_TYPE_NAT_REGISTER);
+ rm->flags = GNUNET_NAT_RF_NONE;
+ if (NULL != address_callback)
+ rm->flags |= GNUNET_NAT_RF_ADDRESSES;
+ if (NULL != reversal_callback)
+ rm->flags |= GNUNET_NAT_RF_REVERSAL;
+ rm->proto = proto;
+ rm->str_len = htons (str_len);
+ rm->num_addrs = htons ((uint16_t) num_addrs);
+ off = (char *) &rm[1];
+ for (unsigned int i=0;i<num_addrs;i++)
+ {
+ switch (addrs[i]->sa_family)
+ {
+ case AF_INET:
+ if (sizeof (struct sockaddr_in) != addrlens[i])
+ {
+ GNUNET_break (0);
+ GNUNET_free (rm);
+ return NULL;
+ }
+ break;
+ case AF_INET6:
+ if (sizeof (struct sockaddr_in6) != addrlens[i])
+ {
+ GNUNET_break (0);
+ GNUNET_free (rm);
+ return NULL;
+ }
+ break;
+#if AF_UNIX
+ case AF_UNIX:
+ if (sizeof (struct sockaddr_un) != addrlens[i])
+ {
+ GNUNET_break (0);
+ GNUNET_free (rm);
+ return NULL;
+ }
+ break;
+#endif
+ default:
+ GNUNET_break (0);
+ GNUNET_free (rm);
+ return NULL;
+ }
+ GNUNET_memcpy (off,
+ addrs[i],
+ addrlens[i]);
+ off += addrlens[i];
+ }
+ GNUNET_memcpy (off,
+ config_section,
+ str_len);
+
+ nh = GNUNET_new (struct GNUNET_NAT_Handle);
+ nh->reg = &rm->header;
nh->cfg = cfg;
nh->address_callback = address_callback;
nh->reversal_callback = reversal_callback;
nh->callback_cls = callback_cls;
- GNUNET_break (0);
+ do_connect (nh);
return nh;
}
+/**
+ * Check if an incoming message is a STUN message.
+ *
+ * @param data the packet
+ * @param len the length of the packet in @a data
+ * @return #GNUNET_YES if @a data is a STUN packet,
+ * #GNUNET_NO if the packet is invalid (not a stun packet)
+ */
+static int
+test_stun_packet (const void *data,
+ size_t len)
+{
+ const struct stun_header *hdr;
+ const struct stun_attr *attr;
+ uint32_t advertised_message_size;
+ uint32_t message_magic_cookie;
+
+ /* On entry, 'len' is the length of the UDP payload. After the
+ * initial checks it becomes the size of unprocessed options,
+ * while 'data' is advanced accordingly.
+ */
+ if (len < sizeof(struct stun_header))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "STUN packet too short (only %d, wanting at least %d)\n",
+ (int) len,
+ (int) sizeof (struct stun_header));
+ return GNUNET_NO;
+ }
+ hdr = (const struct stun_header *) data;
+ /* Skip header as it is already in hdr */
+ len -= sizeof (struct stun_header);
+ data += sizeof (struct stun_header);
+
+ /* len as advertised in the message */
+ advertised_message_size = ntohs (hdr->msglen);
+
+ message_magic_cookie = ntohl (hdr->magic);
+ /* Compare if the cookie match */
+ if (STUN_MAGIC_COOKIE != message_magic_cookie)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Invalid magic cookie for STUN\n");
+ return GNUNET_NO;
+ }
+
+ if (advertised_message_size > len)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Scrambled STUN packet length (got %d, expecting %d)\n",
+ advertised_message_size,
+ (int)len);
+ return GNUNET_NO;
+ }
+ len = advertised_message_size;
+ while (len > 0)
+ {
+ if (len < sizeof (struct stun_attr))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Attribute too short in STUN packet (got %d, expecting %d)\n",
+ (int) len,
+ (int) sizeof(struct stun_attr));
+ return GNUNET_NO;
+ }
+ attr = (const struct stun_attr *) data;
+
+ /* compute total attribute length */
+ advertised_message_size = ntohs (attr->len) + sizeof(struct stun_attr);
+
+ /* Check if we still have space in our buffer */
+ if (advertised_message_size > len)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Inconsistent Attribute (length %d exceeds remaining msg len %d)\n",
+ advertised_message_size,
+ (int) len);
+ return GNUNET_NO;
+ }
+ data += advertised_message_size;
+ len -= advertised_message_size;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "STUN Packet, msg %04x, length: %d\n",
+ ntohs (hdr->msgtype),
+ advertised_message_size);
+ return GNUNET_OK;
+}
+
+
/**
* Handle an incoming STUN message. This function is useful as
* some GNUnet service may be listening on a UDP port and might
* thus receive STUN messages while trying to receive other data.
- * In this case, this function can be used to act as a proper
- * STUN server (if desired).
+ * In this case, this function can be used to process replies
+ * to STUN requests.
*
* The function does some basic sanity checks on packet size and
- * content, try to extract a bit of information, and possibly replies
- * if this is an actual STUN message.
- *
+ * content, try to extract a bit of information.
+ *
* At the moment this only processes BIND requests, and returns the
- * externally visible address of the request.
+ * externally visible address of the request to the rest of the
+ * NAT logic.
*
* @param nh handle to the NAT service
* @param sender_addr address from which we got @a data
+ * @param sender_addr_len number of bytes in @a sender_addr
* @param data the packet
* @param data_size number of bytes in @a data
* @return #GNUNET_OK on success
int
GNUNET_NAT_stun_handle_packet (struct GNUNET_NAT_Handle *nh,
const struct sockaddr *sender_addr,
+ size_t sender_addr_len,
const void *data,
size_t data_size)
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_NAT_HandleStunMessage *hsn;
+ char *buf;
+
+ if (GNUNET_YES !=
+ test_stun_packet (data,
+ data_size))
+ return GNUNET_NO;
+ if (NULL == nh->mq)
+ return GNUNET_SYSERR;
+ env = GNUNET_MQ_msg_extra (hsn,
+ data_size + sender_addr_len,
+ GNUNET_MESSAGE_TYPE_NAT_HANDLE_STUN);
+ hsn->sender_addr_size = htons ((uint16_t) sender_addr_len);
+ hsn->payload_size = htons ((uint16_t) data_size);
+ buf = (char *) &hsn[1];
+ GNUNET_memcpy (buf,
+ sender_addr,
+ sender_addr_len);
+ buf += sender_addr_len;
+ GNUNET_memcpy (buf,
+ data,
+ data_size);
+ GNUNET_MQ_send (nh->mq,
+ env);
+ return GNUNET_OK;
}
const void *addr,
socklen_t addrlen)
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ struct AddrEntry *ae;
+
+ if ( (addrlen != sizeof (struct sockaddr_in)) &&
+ (addrlen != sizeof (struct sockaddr_in6)) )
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ for (ae = nh->ae_head; NULL != ae; ae = ae->next)
+ if ( (addrlen == ae->addrlen) &&
+ (0 == memcmp (addr,
+ &ae[1],
+ addrlen)) )
+ return GNUNET_YES;
+ return GNUNET_NO;
}
* @param nh handle (used for configuration)
* @param local_sa our local address of the peer (IPv4-only)
* @param remote_sa the remote address of the peer (IPv4-only)
- * @return #GNUNET_SYSERR on error,
+ * @return #GNUNET_SYSERR on error,
* #GNUNET_NO if connection reversal is unavailable,
* #GNUNET_OK otherwise (presumably in progress)
*/
const struct sockaddr_in *local_sa,
const struct sockaddr_in *remote_sa)
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_NAT_RequestConnectionReversalMessage *req;
+ char *buf;
+
+ if (NULL == nh->mq)
+ return GNUNET_SYSERR;
+ GNUNET_break (AF_INET == local_sa->sin_family);
+ GNUNET_break (AF_INET == remote_sa->sin_family);
+ env = GNUNET_MQ_msg_extra (req,
+ 2 * sizeof (struct sockaddr_in),
+ GNUNET_MESSAGE_TYPE_NAT_REQUEST_CONNECTION_REVERSAL);
+ req->local_addr_size = htons (sizeof (struct sockaddr_in));
+ req->remote_addr_size = htons (sizeof (struct sockaddr_in));
+ buf = (char *) &req[1];
+ GNUNET_memcpy (buf,
+ local_sa,
+ sizeof (struct sockaddr_in));
+ buf += sizeof (struct sockaddr_in);
+ GNUNET_memcpy (buf,
+ remote_sa,
+ sizeof (struct sockaddr_in));
+ GNUNET_MQ_send (nh->mq,
+ env);
+ return GNUNET_OK;
}
void
GNUNET_NAT_unregister (struct GNUNET_NAT_Handle *nh)
{
- GNUNET_MQ_destroy (nh->mq);
+ if (NULL != nh->mq)
+ {
+ GNUNET_MQ_destroy (nh->mq);
+ nh->mq = NULL;
+ }
+ if (NULL != nh->reconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (nh->reconnect_task);
+ nh->reconnect_task = NULL;
+ }
GNUNET_free (nh->reg);
GNUNET_free (nh);
}
-/**
- * Handle to a NAT test.
- */
-struct GNUNET_NAT_Test
-{
-
- /**
- * Configuration we use.
- */
- const struct GNUNET_CONFIGURATION_Handle *cfg;
-
- /**
- * Message queue for communicating with the NAT service.
- */
- struct GNUNET_MQ_Handle *mq;
-
- /**
- * Function called to report success or failure for
- * NAT configuration test.
- */
- GNUNET_NAT_TestCallback cb;
-
- /**
- * Closure for @e cb.
- */
- void *cb_cls;
-
-};
-
-
-/**
- * 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)
-{
- struct GNUNET_NAT_Test *tst = GNUNET_new (struct GNUNET_NAT_Test);
-
- tst->cb = report;
- tst->cb_cls = report_cls;
- GNUNET_break (0);
- return tst;
-}
-
-
-/**
- * Stop an active NAT test.
- *
- * @param tst test to stop.
- */
-void
-GNUNET_NAT_test_stop (struct GNUNET_NAT_Test *tst)
-{
- GNUNET_break (0);
- GNUNET_MQ_destroy (tst->mq);
- GNUNET_free (tst);
-}
-
-
-/**
- * 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)
-{
- GNUNET_break (0);
- return NULL;
-}
-
-
-/**
- * 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);
-
- ah->cfg = cfg;
- ah->arc = cb;
- ah->arc_cls = cb_cls;
- GNUNET_break (0);
- return ah;
-}
-
-
-/**
- * Abort autoconfiguration.
- *
- * @param ah handle for operation to abort
- */
-void
-GNUNET_NAT_autoconfig_cancel (struct GNUNET_NAT_AutoHandle *ah)
-{
- GNUNET_break (0);
- GNUNET_MQ_destroy (ah->mq);
- GNUNET_free (ah);
-}
-
/* end of nat_api.c */
projects / oweals / gnunet.git / blobdiff