97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* $Id: commonrdr.h,v 1.15 2021/12/01 22:50:09 nanard Exp $ */
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/* MiniUPnP project
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* (c) 2006-2021 Thomas Bernard
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* http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
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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 COMMONRDR_H_INCLUDED
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#define COMMONRDR_H_INCLUDED
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#include "config.h"
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/* init and shutdown functions */
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/* init_redirect() return values :
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* 0 : OK
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* -1 : error */
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int
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init_redirect(void);
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void
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shutdown_redirect(void);
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/* get_redirect_rule_count()
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* return value : -1 for error or the number of redirection rules */
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int
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get_redirect_rule_count(const char * ifname);
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/* get_redirect_rule() gets internal IP and port from
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* interface, external port and protocol
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* return value :
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* 0 success (rule found)
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* -1 error or rule not found
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*/
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int
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get_redirect_rule(const char * ifname, unsigned short eport, int proto,
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char * iaddr, int iaddrlen, unsigned short * iport,
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char * desc, int desclen,
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char * rhost, int rhostlen,
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unsigned int * timestamp,
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u_int64_t * packets, u_int64_t * bytes);
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/* get_redirect_rule_by_index()
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* return values :
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* 0 success (rule found)
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* -1 error or rule not found */
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int
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get_redirect_rule_by_index(int index,
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char * ifname, unsigned short * eport,
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char * iaddr, int iaddrlen, unsigned short * iport,
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int * proto, char * desc, int desclen,
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char * rhost, int rhostlen,
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unsigned int * timestamp,
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u_int64_t * packets, u_int64_t * bytes);
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/* return an (malloc'ed) array of "external" port for which there is
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* a port mapping. number is the size of the array */
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unsigned short *
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get_portmappings_in_range(unsigned short startport, unsigned short endport,
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int proto, unsigned int * number);
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/* update the port mapping internal port, description and timestamp */
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int
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update_portmapping(const char * ifname, unsigned short eport, int proto,
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unsigned short iport, const char * desc,
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unsigned int timestamp);
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/* update the port mapping description and timestamp */
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int
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update_portmapping_desc_timestamp(const char * ifname,
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unsigned short eport, int proto,
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const char * desc, unsigned int timestamp);
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#if defined(USE_NETFILTER)
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/*
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* only provided by nftables implementation at the moment.
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* Should be implemented for iptables too, for consistency
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*/
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typedef enum {
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RDR_TABLE_NAME,
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RDR_NAT_TABLE_NAME,
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RDR_NAT_PREROUTING_CHAIN_NAME,
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RDR_NAT_POSTROUTING_CHAIN_NAME,
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RDR_FORWARD_CHAIN_NAME,
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RDR_FAMILY_SPLIT,
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} rdr_name_type;
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/*
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* used by the config file parsing in the core
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* to set
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*/
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int set_rdr_name( rdr_name_type param, const char * string );
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#endif
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#endif
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