+#ifndef TINC_SUBNET_H
+#define TINC_SUBNET_H
+
/*
subnet.h -- header for subnet.c
- Copyright (C) 2000 Guus Sliepen <guus@sliepen.warande.net>,
- 2000 Ivo Timmermans <itimmermans@bigfoot.com>
+ Copyright (C) 2000-2021 Guus Sliepen <guus@tinc-vpn.org>,
+ 2000-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: subnet.h,v 1.1.2.1 2000/10/01 03:21:49 guus Exp $
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef __TINC_SUBNET_H__
-#define __TINC_SUBNET_H__
+#include "net.h"
+#include "node.h"
+
+typedef enum subnet_type_t {
+ SUBNET_MAC = 0,
+ SUBNET_IPV4,
+ SUBNET_IPV6
+} subnet_type_t;
+
+typedef struct subnet_mac_t {
+ mac_t address;
+} subnet_mac_t;
-enum{
- SUBNET_MAC = 0,
- SUBNET_IPv4,
- SUBNET_IPv6,
-};
+typedef struct subnet_ipv4_t {
+ int prefixlength;
+ ipv4_t address;
+} subnet_ipv4_t;
+
+typedef struct subnet_ipv6_t {
+ int prefixlength;
+ ipv6_t address;
+} subnet_ipv6_t;
typedef struct subnet_t {
- struct conn_list_t *owner; /* the owner of this subnet */
- struct conn_list_t *uplink; /* the uplink which we should send packets to for this subnet */
+ struct node_t *owner; /* the owner of this subnet */
+
+ subnet_type_t type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
+ time_t expires; /* expiry time */
+ int weight; /* weight (higher value is higher priority) */
+
+ /* And now for the actual subnet: */
- struct subnet_t *prev; /* previous subnet_t for this owner */
- struct subnet_t *next; /* next subnet_t for this owner */
+ union net {
+ subnet_mac_t mac;
+ subnet_ipv4_t ipv4;
+ subnet_ipv6_t ipv6;
+ } net;
+} subnet_t;
- int type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
+#define MAXNETSTR 64
- /* Okay this is IPv4 specific because we are lazy and don't want to implement
- other types just now. Type should always be SUBNET_IPv4 for now. */
+extern splay_tree_t subnet_tree;
- ip_t netaddr;
- ip_t netmask;
-} subnet_t;
+extern int subnet_compare(const struct subnet_t *a, const struct subnet_t *b);
+extern subnet_t *new_subnet(void) __attribute__((__malloc__));
+extern void free_subnet(subnet_t *subnet);
+extern void init_subnets(void);
+extern void exit_subnets(void);
+extern void init_subnet_tree(splay_tree_t *tree);
+extern void subnet_add(struct node_t *owner, subnet_t *subnet);
+extern void subnet_del(struct node_t *owner, subnet_t *subnet);
+extern void subnet_update(struct node_t *owner, subnet_t *subnet, bool up);
+extern int maskcmp(const void *a, const void *b, size_t masklen);
+extern void maskcpy(void *dest, const void *src, size_t masklen, size_t len);
+extern void mask(void *mask, size_t masklen, size_t len);
+extern bool subnetcheck(const subnet_t subnet);
+extern bool maskcheck(const void *mask, size_t masklen, size_t len);
+extern bool net2str(char *netstr, size_t len, const subnet_t *subnet);
+extern bool str2net(subnet_t *subnet, const char *netstr);
+extern subnet_t *lookup_subnet(struct node_t *owner, const subnet_t *subnet);
+extern subnet_t *lookup_subnet_mac(const struct node_t *owner, const mac_t *address);
+extern subnet_t *lookup_subnet_ipv4(const ipv4_t *address);
+extern subnet_t *lookup_subnet_ipv6(const ipv6_t *address);
+extern bool dump_subnets(struct connection_t *c);
+extern void subnet_cache_flush_tables(void);
+extern void subnet_cache_flush_table(subnet_type_t ipver);
-#endif /* __TINC_SUBNET_H__ */
+#endif