miniupnpc/miniupnpd/upnpredirect.h
Thomas Bernard a92138345b add option LEASEFILE_USE_REMAINING_TIME
new function lease_file_rewrite()
that is called just before exiting, and when SIGUSR2 is received
see #295
2018-05-02 09:40:12 +02:00

124 lines
3.7 KiB
C

/* $Id: upnpredirect.h,v 1.36 2018/01/16 00:50:49 nanard Exp $ */
/* vim: tabstop=4 shiftwidth=4 noexpandtab
* MiniUPnP project
* http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
* (c) 2006-2018 Thomas Bernard
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
#ifndef UPNPREDIRECT_H_INCLUDED
#define UPNPREDIRECT_H_INCLUDED
/* for u_int64_t */
#include <sys/types.h>
#include "config.h"
#ifdef ENABLE_LEASEFILE
int reload_from_lease_file(void);
#ifdef LEASEFILE_USE_REMAINING_TIME
void lease_file_rewrite(void);
#endif
#endif
/* upnp_redirect()
* calls OS/fw dependent implementation of the redirection.
* protocol should be the string "TCP" or "UDP"
* returns: 0 on success
* -1 failed to redirect
* -2 already redirected
* -3 permission check failed
*/
int
upnp_redirect(const char * rhost, unsigned short eport,
const char * iaddr, unsigned short iport,
const char * protocol, const char * desc,
unsigned int leaseduration);
/* upnp_redirect_internal()
* same as upnp_redirect() without any check */
int
upnp_redirect_internal(const char * rhost, unsigned short eport,
const char * iaddr, unsigned short iport,
int proto, const char * desc,
unsigned int timestamp);
/* upnp_get_redirection_infos()
* returns : 0 on success
* -1 failed to get the port mapping entry or no entry exists */
int
upnp_get_redirection_infos(unsigned short eport, const char * protocol,
unsigned short * iport, char * iaddr, int iaddrlen,
char * desc, int desclen,
char * rhost, int rhostlen,
unsigned int * leaseduration);
/* upnp_get_redirection_infos_by_index()
* returns : 0 on success
* -1 failed to get the port mapping or index out of range */
int
upnp_get_redirection_infos_by_index(int index,
unsigned short * eport, char * protocol,
unsigned short * iport,
char * iaddr, int iaddrlen,
char * desc, int desclen,
char * rhost, int rhostlen,
unsigned int * leaseduration);
/* upnp_delete_redirection()
* returns: 0 on success
* -1 on failure*/
int
upnp_delete_redirection(unsigned short eport, const char * protocol);
/* _upnp_delete_redir()
* same as above */
int
_upnp_delete_redir(unsigned short eport, int proto);
/* Periodic cleanup functions
*/
struct rule_state
{
u_int64_t packets;
u_int64_t bytes;
struct rule_state * next;
unsigned short eport;
unsigned char proto;
unsigned char to_remove;
};
/* return a linked list of all rules
* or an empty list if there are not enough
* As a "side effect", delete rules which are expired */
struct rule_state *
get_upnp_rules_state_list(int max_rules_number_target);
/* return the number of port mapping entries */
int
upnp_get_portmapping_number_of_entries(void);
/* remove_unused_rules() :
* also free the list */
void
remove_unused_rules(struct rule_state * list);
/* upnp_get_portmappings_in_range()
* return a list of all "external" ports for which a port
* mapping exists */
unsigned short *
upnp_get_portmappings_in_range(unsigned short startport,
unsigned short endport,
const char * protocol,
unsigned int * number);
/* stuff for responding to miniupnpdctl */
#ifdef USE_MINIUPNPDCTL
void
write_ruleset_details(int s);
#endif
#endif