#define MAX_MESSAGE_QUEUE_SIZE 4
+#define PORT_VPN 42
+
/**
* State we keep for each of our tunnels.
*/
struct GNUNET_CONTAINER_HeapNode *heap_node;
/**
- * GNUNET_NO if this is a tunnel to an Internet-exit,
- * GNUNET_YES if this tunnel is to a service.
+ * #GNUNET_NO if this is a tunnel to an Internet-exit,
+ * #GNUNET_YES if this tunnel is to a service.
*/
int is_service;
break;
}
memcpy (off, &protocol, sizeof (uint8_t));
- off += sizeof (uint8_t);
+ /* off += sizeof (uint8_t); */
}
/**
* Destroy the mesh tunnel.
*
- * @param cls the 'struct TunnelState' with the tunnel to destroy
+ * @param cls the `struct TunnelState` with the tunnel to destroy
* @param tc scheduler context
*/
static void
/**
* Method called whenever a peer has disconnected from the tunnel.
*
+ * FIXME merge with inbound_cleaner
+ *
* @param cls closure
* @param peer peer identity the tunnel stopped working with
*/
-static void
+void
tunnel_peer_disconnect_handler (void *cls,
const struct
- GNUNET_PeerIdentity * peer)
+ GNUNET_PeerIdentity *peer)
{
struct TunnelState *ts = cls;
* Method called whenever a peer has connected to the tunnel. Notifies
* the waiting client that the tunnel is now up.
*
+ * FIXME merge with tunnel_create
+ *
* @param cls closure
* @param peer peer identity the tunnel was created to, NULL on timeout
* @param atsi performance data for the connection
*/
-static void
+void
tunnel_peer_connect_handler (void *cls,
- const struct GNUNET_PeerIdentity
- * peer,
+ const struct GNUNET_PeerIdentity *peer,
const struct
GNUNET_ATS_Information * atsi)
{
/**
* Send a message from the message queue via mesh.
*
- * @param cls the 'struct TunnelState' with the message queue
- * @param size number of bytes available in buf
+ * @param cls the `struct TunnelState` with the message queue
+ * @param size number of bytes available in @a buf
* @param buf where to copy the message
- * @return number of bytes copied to buf
+ * @return number of bytes copied to @a buf
*/
static size_t
send_to_peer_notify_callback (void *cls, size_t size, void *buf)
ts->th = GNUNET_MESH_notify_transmit_ready (ts->tunnel,
GNUNET_NO /* cork */,
GNUNET_TIME_UNIT_FOREVER_REL,
- NULL,
tnq->len,
&send_to_peer_notify_callback,
ts);
ts->th = GNUNET_MESH_notify_transmit_ready (ts->tunnel,
GNUNET_NO /* cork */,
GNUNET_TIME_UNIT_FOREVER_REL,
- NULL,
tnq->len,
&send_to_peer_notify_callback,
ts);
GNUNET_REGEX_search_cancel (ts->search);
ts->search = NULL;
ts->tunnel = GNUNET_MESH_tunnel_create (mesh_handle,
- ts,
- &tunnel_peer_connect_handler,
- &tunnel_peer_disconnect_handler,
- ts);
- GNUNET_MESH_peer_request_connect_add (ts->tunnel,
- id);
+ ts,
+ id,
+ PORT_VPN,
+ GNUNET_YES,
+ GNUNET_NO);
}
gettext_noop ("# Mesh tunnels created"),
1, GNUNET_NO);
GNUNET_assert (NULL == de->ts);
- ts = GNUNET_malloc (sizeof (struct TunnelState));
+ ts = GNUNET_new (struct TunnelState);
ts->af = client_af;
if (NULL != client)
{
{
ts->tunnel = GNUNET_MESH_tunnel_create (mesh_handle,
ts,
- &tunnel_peer_connect_handler,
- &tunnel_peer_disconnect_handler,
- ts);
+ &de->details.service_destination.target,
+ PORT_VPN,
+ GNUNET_YES,
+ GNUNET_NO);
if (NULL == ts->tunnel)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Creating tunnel to peer %s offering service %s\n",
GNUNET_i2s (&de->details.service_destination.target),
GNUNET_h2s (&de->details.service_destination.service_descriptor));
- GNUNET_MESH_peer_request_connect_add (ts->tunnel,
- &de->details.service_destination.target);
}
else
{
{
char address[GNUNET_TUN_IPV4_REGEXLEN];
- GNUNET_TUN_ipv4toregex (&de->details.exit_destination.ip.v4,
+ GNUNET_TUN_ipv4toregexsearch (&de->details.exit_destination.ip.v4,
"255.255.255.255", address);
GNUNET_asprintf (&policy, "%s%s%s",
GNUNET_APPLICATION_TYPE_EXIT_REGEX_PREFIX,
{
char address[GNUNET_TUN_IPV6_REGEXLEN];
- GNUNET_TUN_ipv6toregex (&de->details.exit_destination.ip.v6,
+ GNUNET_TUN_ipv6toregexsearch (&de->details.exit_destination.ip.v6,
128, address);
GNUNET_asprintf (&policy, "%s%s%s",
GNUNET_APPLICATION_TYPE_EXIT_REGEX_PREFIX,
(unsigned int) protocol);
return;
}
+ alen = 0;
if (! destination->is_service)
{
switch (destination->details.exit_destination.af)
alen = sizeof (struct in6_addr);
break;
default:
- alen = 0;
GNUNET_assert (0);
}
}
else
{
- /* make compiler happy */
- alen = 0;
{
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
ts->destination_port = destination_port;
ts->heap_node = GNUNET_CONTAINER_heap_insert (tunnel_heap,
ts,
- GNUNET_TIME_absolute_get ().abs_value);
+ GNUNET_TIME_absolute_get ().abs_value_us);
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_put (tunnel_map,
&key,
is_new = GNUNET_NO;
GNUNET_CONTAINER_heap_update_cost (tunnel_heap,
ts->heap_node,
- GNUNET_TIME_absolute_get ().abs_value);
+ GNUNET_TIME_absolute_get ().abs_value_us);
}
GNUNET_assert (NULL != ts->tunnel);
&pkt6->destination_address,
&key);
de = GNUNET_CONTAINER_multihashmap_get (destination_map, &key);
- /* FIXME: do we need to guard against hash collision?
- (if so, we need to also store the local destination IP in the
- destination entry and then compare here; however, the risk
- of collision seems minimal AND the impact is unlikely to be
- super-problematic as well... */
if (NULL == de)
{
char buf[INET6_ADDRSTRLEN];
&pkt4->destination_address,
&key);
de = GNUNET_CONTAINER_multihashmap_get (destination_map, &key);
- /* FIXME: do we need to guard against hash collision?
- (if so, we need to also store the local destination IP in the
- destination entry and then compare here; however, the risk
- of collision seems minimal AND the impact is unlikely to be
- super-problematic as well... */
if (NULL == de)
{
char buf[INET_ADDRSTRLEN];
* @param cls closure, NULL
* @param tunnel connection to the other end
* @param tunnel_ctx pointer to our 'struct TunnelState *'
- * @param sender who sent the message
* @param message the actual message
- * @param atsi performance data for the connection
- * @return GNUNET_OK to keep the connection open,
- * GNUNET_SYSERR to close it (signal serious error)
+ * @return #GNUNET_OK to keep the connection open,
+ * #GNUNET_SYSERR to close it (signal serious error)
*/
static int
receive_icmp_back (void *cls GNUNET_UNUSED, struct GNUNET_MESH_Tunnel *tunnel,
- void **tunnel_ctx, const struct GNUNET_PeerIdentity *sender,
- const struct GNUNET_MessageHeader *message,
- const struct GNUNET_ATS_Information *atsi GNUNET_UNUSED)
+ void **tunnel_ctx,
+ const struct GNUNET_MessageHeader *message)
{
struct TunnelState *ts = *tunnel_ctx;
const struct GNUNET_EXIT_IcmpToVPNMessage *i2v;
}
GNUNET_CONTAINER_heap_update_cost (tunnel_heap,
ts->heap_node,
- GNUNET_TIME_absolute_get ().abs_value);
+ GNUNET_TIME_absolute_get ().abs_value_us);
return GNUNET_OK;
}
* @param cls closure, NULL
* @param tunnel connection to the other end
* @param tunnel_ctx pointer to our 'struct TunnelState *'
- * @param sender who sent the message
* @param message the actual message
- * @param atsi performance data for the connection
- * @return GNUNET_OK to keep the connection open,
- * GNUNET_SYSERR to close it (signal serious error)
+ * @return #GNUNET_OK to keep the connection open,
+ * #GNUNET_SYSERR to close it (signal serious error)
*/
static int
receive_udp_back (void *cls GNUNET_UNUSED, struct GNUNET_MESH_Tunnel *tunnel,
- void **tunnel_ctx, const struct GNUNET_PeerIdentity *sender,
- const struct GNUNET_MessageHeader *message,
- const struct GNUNET_ATS_Information *atsi GNUNET_UNUSED)
+ void **tunnel_ctx,
+ const struct GNUNET_MessageHeader *message)
{
struct TunnelState *ts = *tunnel_ctx;
const struct GNUNET_EXIT_UdpReplyMessage *reply;
}
GNUNET_CONTAINER_heap_update_cost (tunnel_heap,
ts->heap_node,
- GNUNET_TIME_absolute_get ().abs_value);
+ GNUNET_TIME_absolute_get ().abs_value_us);
return GNUNET_OK;
}
*
* @param cls closure, NULL
* @param tunnel connection to the other end
- * @param tunnel_ctx pointer to our 'struct TunnelState *'
- * @param sender who sent the message
+ * @param tunnel_ctx pointer to our `struct TunnelState *`
* @param message the actual message
- * @param atsi performance data for the connection
- * @return GNUNET_OK to keep the connection open,
- * GNUNET_SYSERR to close it (signal serious error)
+ * @return #GNUNET_OK to keep the connection open,
+ * #GNUNET_SYSERR to close it (signal serious error)
*/
static int
receive_tcp_back (void *cls GNUNET_UNUSED, struct GNUNET_MESH_Tunnel *tunnel,
void **tunnel_ctx,
- const struct GNUNET_PeerIdentity *sender GNUNET_UNUSED,
- const struct GNUNET_MessageHeader *message,
- const struct GNUNET_ATS_Information *atsi GNUNET_UNUSED)
+ const struct GNUNET_MessageHeader *message)
{
struct TunnelState *ts = *tunnel_ctx;
const struct GNUNET_EXIT_TcpDataMessage *data;
}
GNUNET_CONTAINER_heap_update_cost (tunnel_heap,
ts->heap_node,
- GNUNET_TIME_absolute_get ().abs_value);
+ GNUNET_TIME_absolute_get ().abs_value_us);
return GNUNET_OK;
}
* for a new redirection.
*
* @param v4 where to store the address
- * @return GNUNET_OK on success,
- * GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on error
*/
static int
allocate_v4_address (struct in_addr *v4)
* for a new redirection.
*
* @param v6 where to store the address
- * @return GNUNET_OK on success,
- * GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR on error
*/
static int
allocate_v6_address (struct in6_addr *v6)
* storage location was used; set to NULL if allocation failed
* @param v4 storage space for an IPv4 address
* @param v6 storage space for an IPv6 address
- * @return GNUNET_OK normally, GNUNET_SYSERR if '*result_af' was
+ * @return #GNUNET_OK normally, #GNUNET_SYSERR if `* result_af` was
* an unsupported address family (not AF_INET, AF_INET6 or AF_UNSPEC)
*/
static int
*
* @param cls unused
* @param client requesting client
- * @param message redirection request (a 'struct RedirectToIpRequestMessage')
+ * @param message redirection request (a `struct RedirectToIpRequestMessage`)
*/
static void
service_redirect_to_ip (void *cls GNUNET_UNUSED, struct GNUNET_SERVER_Client *client,
}
/* setup destination record */
- de = GNUNET_malloc (sizeof (struct DestinationEntry));
+ de = GNUNET_new (struct DestinationEntry);
de->is_service = GNUNET_NO;
de->details.exit_destination.af = addr_af;
memcpy (&de->details.exit_destination.ip,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
de->heap_node = GNUNET_CONTAINER_heap_insert (destination_heap,
de,
- GNUNET_TIME_absolute_ntoh (msg->expiration_time).abs_value);
+ GNUNET_TIME_absolute_ntoh (msg->expiration_time).abs_value_us);
GNUNET_STATISTICS_update (stats,
gettext_noop ("# Active destinations"),
1, GNUNET_NO);
*
* @param cls unused
* @param client requesting client
- * @param message redirection request (a 'struct RedirectToPeerRequestMessage')
+ * @param message redirection request (a `struct RedirectToPeerRequestMessage`)
*/
static void
service_redirect_to_service (void *cls GNUNET_UNUSED, struct GNUNET_SERVER_Client *client,
}
/* setup destination record */
- de = GNUNET_malloc (sizeof (struct DestinationEntry));
+ de = GNUNET_new (struct DestinationEntry);
de->is_service = GNUNET_YES;
de->details.service_destination.service_descriptor = msg->service_descriptor;
de->details.service_destination.target = msg->target;
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
de->heap_node = GNUNET_CONTAINER_heap_insert (destination_heap,
de,
- GNUNET_TIME_absolute_ntoh (msg->expiration_time).abs_value);
+ GNUNET_TIME_absolute_ntoh (msg->expiration_time).abs_value_us);
while (GNUNET_CONTAINER_multihashmap_size (destination_map) > max_destination_mappings)
expire_destination (de);
ts = create_tunnel_to_destination (de,
}
-
-/**
- * Function called for inbound tunnels. As we don't offer
- * any mesh services, this function should never be called.
- *
- * @param cls closure
- * @param tunnel new handle to the tunnel
- * @param initiator peer that started the tunnel
- * @param atsi performance information for the tunnel
- * @return initial tunnel context for the tunnel
- * (can be NULL -- that's not an error)
- */
-static void *
-inbound_tunnel_cb (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
- const struct GNUNET_PeerIdentity *initiator,
- const struct GNUNET_ATS_Information *atsi)
-{
- /* How can and why should anyone open an inbound tunnel to vpn? */
- GNUNET_break (0);
- return NULL;
-}
-
-
/**
- * Function called whenever an inbound tunnel is destroyed. Should clean up
+ * Function called whenever a tunnel is destroyed. Should clean up
* any associated state.
- *
- * @param cls closure (set from GNUNET_MESH_connect)
+ *
+ * @param cls closure (set from #GNUNET_MESH_connect)
* @param tunnel connection to the other end (henceforth invalid)
* @param tunnel_ctx place where local state associated
- * with the tunnel is stored (our 'struct TunnelState')
+ * with the tunnel is stored (our `struct TunnelState`)
*/
static void
-tunnel_cleaner (void *cls, const struct GNUNET_MESH_Tunnel *tunnel, void *tunnel_ctx)
+tunnel_cleaner (void *cls,
+ const struct GNUNET_MESH_Tunnel *tunnel,
+ void *tunnel_ctx)
{
- /* we don't have inbound tunnels, so this function should never be called */
- GNUNET_break (0);
+ struct TunnelState *ts = tunnel_ctx;
+
+ ts->tunnel = NULL; /* we must not call GNUNET_MESH_tunnel_destroy() anymore */
+ free_tunnel_state (ts);
}
*
* @param cls unused
* @param key unused
- * @param value a 'struct DestinationEntry *'
- * @return GNUNET_OK (continue to iterate)
+ * @param value a `struct DestinationEntry *`
+ * @return #GNUNET_OK (continue to iterate)
*/
static int
cleanup_destination (void *cls,
*
* @param cls unused
* @param key unused
- * @param value a 'struct TunnelState *'
- * @return GNUNET_OK (continue to iterate)
+ * @param value a `struct TunnelState *`
+ * @return #GNUNET_OK (continue to iterate)
*/
static int
cleanup_tunnel (void *cls,
* @param tc unused
*/
static void
-cleanup (void *cls GNUNET_UNUSED,
+cleanup (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
unsigned int i;
GNUNET_SERVER_notification_context_destroy (nc);
nc = NULL;
}
- if (stats != NULL)
+ if (NULL != stats)
{
GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
stats = NULL;
*
* @param cls the client that disconnected
* @param key unused
- * @param value a 'struct TunnelState *'
- * @return GNUNET_OK (continue to iterate)
+ * @param value a `struct TunnelState *`
+ * @return #GNUNET_OK (continue to iterate)
*/
static int
cleanup_tunnel_client (void *cls,
*
* @param cls the client that disconnected
* @param key unused
- * @param value a 'struct DestinationEntry *'
- * @return GNUNET_OK (continue to iterate)
+ * @param value a `struct DestinationEntry *`
+ * @return #GNUNET_OK (continue to iterate)
*/
static int
cleanup_destination_client (void *cls,
* @param client handle to the client that disconnected
*/
static void
-client_disconnect (void *cls, struct GNUNET_SERVER_Client *client)
+client_disconnect (void *cls,
+ struct GNUNET_SERVER_Client *client)
{
if (NULL != tunnel_map)
GNUNET_CONTAINER_multihashmap_iterate (tunnel_map,
{ &receive_icmp_back, GNUNET_MESSAGE_TYPE_VPN_ICMP_TO_VPN, 0},
{NULL, 0, 0}
};
- static const GNUNET_MESH_ApplicationType types[] = {
- GNUNET_APPLICATION_TYPE_END
- };
char *ifname;
char *ipv6addr;
char *ipv6prefix_s;
cfg = cfg_;
stats = GNUNET_STATISTICS_create ("vpn", cfg);
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "vpn", "MAX_MAPPING",
+ GNUNET_CONFIGURATION_get_value_number (cfg, "VPN", "MAX_MAPPING",
&max_destination_mappings))
max_destination_mappings = 200;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "vpn", "MAX_TUNNELS",
+ GNUNET_CONFIGURATION_get_value_number (cfg, "VPN", "MAX_TUNNELS",
&max_tunnel_mappings))
max_tunnel_mappings = 200;
vpn_argv[0] = GNUNET_strdup ("vpn-gnunet");
if (GNUNET_SYSERR ==
- GNUNET_CONFIGURATION_get_value_string (cfg, "vpn", "IFNAME", &ifname))
+ GNUNET_CONFIGURATION_get_value_string (cfg, "VPN", "IFNAME", &ifname))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No entry 'IFNAME' in configuration!\n");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "VPN", "IFNAME");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK == GNUNET_NETWORK_test_pf (PF_INET6))
{
if ( (GNUNET_SYSERR ==
- GNUNET_CONFIGURATION_get_value_string (cfg, "vpn", "IPV6ADDR",
+ GNUNET_CONFIGURATION_get_value_string (cfg, "VPN", "IPV6ADDR",
&ipv6addr) ||
(1 != inet_pton (AF_INET6, ipv6addr, &v6))) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No valid entry 'IPV6ADDR' in configuration!\n");
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "VPN", "IPV6ADDR",
+ _("Must specify valid IPv6 address"));
GNUNET_SCHEDULER_shutdown ();
return;
}
vpn_argv[2] = ipv6addr;
if (GNUNET_SYSERR ==
- GNUNET_CONFIGURATION_get_value_string (cfg, "vpn", "IPV6PREFIX",
+ GNUNET_CONFIGURATION_get_value_string (cfg, "VPN", "IPV6PREFIX",
&ipv6prefix_s))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No entry 'IPV6PREFIX' in configuration!\n");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "VPN", "IPV6PREFIX");
GNUNET_SCHEDULER_shutdown ();
return;
}
vpn_argv[3] = ipv6prefix_s;
if ( (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "vpn",
+ GNUNET_CONFIGURATION_get_value_number (cfg, "VPN",
"IPV6PREFIX",
&ipv6prefix)) ||
(ipv6prefix >= 127) )
{
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "VPN", "IPV4MASK",
+ _("Must specify valid IPv6 mask"));
GNUNET_SCHEDULER_shutdown ();
return;
}
&ipv4addr) ||
(1 != inet_pton (AF_INET, ipv4addr, &v4))) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No valid entry for 'IPV4ADDR' in configuration!\n");
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "VPN", "IPV4ADDR",
+ _("Must specify valid IPv4 address"));
GNUNET_SCHEDULER_shutdown ();
return;
}
&ipv4mask) ||
(1 != inet_pton (AF_INET, ipv4mask, &v4))) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No valid entry 'IPV4MASK' in configuration!\n");
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "VPN", "IPV4MASK",
+ _("Must specify valid IPv4 mask"));
GNUNET_SCHEDULER_shutdown ();
return;
}
mesh_handle =
GNUNET_MESH_connect (cfg_, NULL,
- &inbound_tunnel_cb,
+ NULL,
&tunnel_cleaner,
mesh_handlers,
- types);
+ NULL);
helper_handle = GNUNET_HELPER_start (GNUNET_NO,
"gnunet-helper-vpn", vpn_argv,
&message_token, NULL, NULL);
projects / oweals / gnunet.git / blobdiff