X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fsubnet.h;h=ad0a8b8d1827d99d1298f5166d2cffee6c9c3a14;hb=9a018c2e371eb1cef9708ac71653f2f2868895fa;hp=0ea218605af8571ee648807e1939eba4be9b8bc3;hpb=627f7c22b447bd464b536cd016278545674df93d;p=tinc

diff --git a/src/subnet.h b/src/subnet.h
index 0ea21860..ad0a8b8d 100644
--- a/src/subnet.h
+++ b/src/subnet.h
@@ -1,7 +1,10 @@
+#ifndef TINC_SUBNET_H
+#define TINC_SUBNET_H
+
 /*
     subnet.h -- header for subnet.c
-    Copyright (C) 2000,2001 Guus Sliepen <guus@sliepen.eu.org>,
-                  2000,2001 Ivo Timmermans <ivo@o2w.nl>
+    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
@@ -13,76 +16,76 @@
     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 1.1.2.19 2002/06/21 10:11:34 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;
 
-enum
-{
-  SUBNET_MAC = 0,
-  SUBNET_IPV4,
-  SUBNET_IPV6,
-  SUBNET_TYPES				/* Guardian */
-};
-
-typedef struct subnet_mac_t
-{
-  mac_t address;
-  time_t lastseen;
+typedef struct subnet_mac_t {
+	mac_t address;
 } subnet_mac_t;
 
-typedef struct subnet_ipv4_t
-{
-  ipv4_t address;
-  int prefixlength;
+typedef struct subnet_ipv4_t {
+	int prefixlength;
+	ipv4_t address;
 } subnet_ipv4_t;
 
-typedef struct subnet_ipv6_t
-{
-  ipv6_t address;
-  int prefixlength;
+typedef struct subnet_ipv6_t {
+	int prefixlength;
+	ipv6_t address;
 } subnet_ipv6_t;
 
-#include "node.h"
-
 typedef struct subnet_t {
-  struct node_t *owner;			/* the owner of this subnet */
-  struct node_t *uplink;		/* the uplink which we should send packets to for this subnet */
+	struct node_t *owner;   /* the owner of this subnet */
 
-  int type;				/* subnet type (IPv4? IPv6? MAC? something even weirder?) */
+	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: */
+	/* And now for the actual subnet: */
 
-  union net
-    {
-      subnet_mac_t mac;
-      subnet_ipv4_t ipv4;
-      subnet_ipv6_t ipv6;
-    } net;
+	union net {
+		subnet_mac_t mac;
+		subnet_ipv4_t ipv4;
+		subnet_ipv6_t ipv6;
+	} net;
 } subnet_t;
 
-extern subnet_t *new_subnet(void);
-extern void free_subnet(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 avl_tree_t *new_subnet_tree(void);
-extern void free_subnet_tree(avl_tree_t *);
-extern void subnet_add(struct node_t *, subnet_t *);
-extern void subnet_del(struct node_t *, subnet_t *);
-extern char *net2str(subnet_t *);
-extern subnet_t *str2net(char *);
-extern subnet_t *lookup_subnet(struct node_t *, subnet_t *);
-extern subnet_t *lookup_subnet_mac(mac_t *);
-extern subnet_t *lookup_subnet_ipv4(ipv4_t *);
-extern subnet_t *lookup_subnet_ipv6(ipv6_t *);
-extern void dump_subnets(void);
-
-#endif /* __TINC_SUBNET_H__ */
+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