85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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subnet.h -- header for subnet.c
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Copyright (C) 2000-2004 Guus Sliepen <guus@tinc-vpn.org>,
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2000-2004 Ivo Timmermans <ivo@tinc-vpn.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifndef __TINC_SUBNET_H__
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#define __TINC_SUBNET_H__
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#include "net.h"
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typedef enum subnet_type_t {
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SUBNET_MAC = 0,
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SUBNET_IPV4,
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SUBNET_IPV6,
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SUBNET_TYPES /* Guardian */
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} subnet_type_t;
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typedef struct subnet_mac_t {
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mac_t address;
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} subnet_mac_t;
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typedef struct subnet_ipv4_t {
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ipv4_t address;
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int prefixlength;
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} subnet_ipv4_t;
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typedef struct subnet_ipv6_t {
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ipv6_t address;
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int prefixlength;
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} subnet_ipv6_t;
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#include "node.h"
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typedef struct subnet_t {
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struct node_t *owner; /* the owner of this subnet */
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subnet_type_t type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
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time_t expires; /* expiry time */
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/* And now for the actual subnet: */
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union net {
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subnet_mac_t mac;
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subnet_ipv4_t ipv4;
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subnet_ipv6_t ipv6;
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} net;
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} subnet_t;
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#define MAXNETSTR 64
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extern int subnet_compare(const struct subnet_t *, const struct subnet_t *);
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extern subnet_t *new_subnet(void) __attribute__ ((__malloc__));
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extern void free_subnet(subnet_t *);
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extern void init_subnets(void);
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extern void exit_subnets(void);
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extern avl_tree_t *new_subnet_tree(void) __attribute__ ((__malloc__));
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extern void free_subnet_tree(avl_tree_t *);
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extern void subnet_add(struct node_t *, subnet_t *);
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extern void subnet_del(struct node_t *, subnet_t *);
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extern bool net2str(char *, int, const subnet_t *);
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extern bool str2net(subnet_t *, const char *);
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extern subnet_t *lookup_subnet(const struct node_t *, const subnet_t *);
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extern subnet_t *lookup_subnet_mac(const mac_t *);
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extern subnet_t *lookup_subnet_ipv4(const ipv4_t *);
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extern subnet_t *lookup_subnet_ipv6(const ipv6_t *);
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extern void dump_subnets(void);
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#endif /* __TINC_SUBNET_H__ */
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