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