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/*
This file is part of GNUnet.
(C) 2010 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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file vpn/gnunet-daemon-vpn.h
* @brief
* @author Philipp Toelke
*/
#ifndef GNUNET_DAEMON_VPN_H
#define GNUNET_DAEMON_VPN_H
#include "gnunet-service-dns-p.h"
/**
* This gets scheduled with cls pointing to an answer_packet and does everything
* needed in order to send it to the helper.
*
* At the moment this means "inventing" and IPv6-Address for .gnunet-services and
* doing nothing for "real" services.
*/
void process_answer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
void send_icmp6_response (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc);
void send_icmp4_response (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc);
size_t send_udp_service (void *cls, size_t size,
void *buf);
GNUNET_HashCode *address6_mapping_exists (unsigned char addr[]);
GNUNET_HashCode *address4_mapping_exists (uint32_t addr);
unsigned int port_in_ports (uint64_t ports, uint16_t port);
void send_pkt_to_peer (void *cls, const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_TRANSPORT_ATS_Information *atsi);
/**
* The configuration to use
*/
extern const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* The handle to mesh
*/
extern struct GNUNET_MESH_Handle *mesh_handle;
/**
* The hashmap containing the mappings from ipv6-addresses to gnunet-descriptors
*/
extern struct GNUNET_CONTAINER_MultiHashMap *hashmap;
struct map_entry
{
/** The description of the service (used for service) */
struct GNUNET_vpn_service_descriptor desc;
/** The real address of the service (used for remote) */
char addrlen;
char addr[16];
struct GNUNET_MESH_Tunnel *tunnel;
uint16_t namelen;
char additional_ports[8192];
struct GNUNET_CONTAINER_HeapNode *heap_node;
GNUNET_HashCode hash;
/**
* After this struct the name is located in DNS-Format!
*/
};
/**
* Sets a bit active in a bitArray.
*
* @param bitArray memory area to set the bit in
* @param bitIdx which bit to set
*/
void setBit (char *bitArray, unsigned int bitIdx);
/**
* Clears a bit from bitArray.
*
* @param bitArray memory area to set the bit in
* @param bitIdx which bit to unset
*/
void clearBit (char *bitArray, unsigned int bitIdx);
/**
* Checks if a bit is active in the bitArray
*
* @param bitArray memory area to set the bit in
* @param bitIdx which bit to test
* @return GNUNET_YES if the bit is set, GNUNET_NO if not.
*/
int testBit (char *bitArray, unsigned int bitIdx);
struct remote_addr
{
char addrlen;
unsigned char addr[16];
char proto;
};
#endif /* end of include guard: GNUNET-DAEMON-VPN_H */
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