+#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) 2000-2012 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 1.1.2.3 2000/10/11 22:01:02 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"
-enum
-{
- SUBNET_MAC = 0,
- SUBNET_IPV4,
- SUBNET_IPV6,
-};
+typedef enum subnet_type_t {
+ SUBNET_MAC = 0,
+ SUBNET_IPV4,
+ SUBNET_IPV6,
+ SUBNET_TYPES /* Guardian */
+} subnet_type_t;
-typedef struct subnet_mac_t
-{
- mac_t address;
+typedef struct subnet_mac_t {
+ mac_t address;
} subnet_mac_t;
-typedef struct subnet_ipv4_t
-{
- ipv4_t address;
- ipv4_t mask;
+typedef struct subnet_ipv4_t {
+ ipv4_t address;
+ int prefixlength;
} subnet_ipv4_t;
-typedef struct subnet_ipv6_t
-{
- ipv6_t address;
- ipv6_t mask;
+typedef struct subnet_ipv6_t {
+ ipv6_t address;
+ int prefixlength;
} 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 subnet_t *prev; /* previous subnet_t for this owner */
- struct subnet_t *next; /* next subnet_t for this owner */
-
- int type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
-
- /* And now for the actual subnet: */
-
- union net
- {
- subnet_mac_t mac;
- subnet_ipv4_t ipv4;
- subnet_ipv6_t ipv6;
- } net;
-
-} subnet_t;
-
-#include "connlist.h"
-
-extern subnet_t *new_subnet(void);
-extern void free_subnet(subnet_t *);
-extern void subnet_add(struct conn_list_t *, subnet_t *);
-extern void subnet_del(subnet_t *);
-extern char *net2str(subnet_t *);
-extern subnet_t *str2net(char *);
-extern subnet_t *lookup_subnet_mac(subnet_t *, mac_t);
-extern subnet_t *lookup_subnet_ipv4(subnet_t *, ipv4_t);
-extern subnet_t *lookup_subnet_ipv6(subnet_t *, ipv6_t);
-
-
-#endif /* __TINC_SUBNET_H__ */
+ 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: */
+
+ union net {
+ subnet_mac_t mac;
+ subnet_ipv4_t ipv4;
+ subnet_ipv6_t ipv6;
+ } net;
+} subnet_t;
+
+#define MAXNETSTR 64
+
+extern splay_tree_t *subnet_tree;
+
+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 splay_tree_t *new_subnet_tree(void) __attribute__((__malloc__));
+extern void free_subnet_tree(splay_tree_t *);
+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, int masklen);
+extern void maskcpy(void *dest, const void *src, int masklen, int len);
+extern void mask(void *mask, int masklen, int len);
+extern bool maskcheck(const void *mask, int masklen, int len);
+extern bool net2str(char *netstr, int len, const subnet_t *subnet);
+extern bool str2net(subnet_t *subnet, const char *netstr);
+extern subnet_t *lookup_subnet(const 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(void);
+
+#endif