Replace Opaque and Strict options with a TunnelServer option.
[tinc] / src / subnet.c
index 4e528e1..ae8d029 100644 (file)
@@ -1,7 +1,7 @@
 /*
     subnet.c -- handle subnet lookups and lists
-    Copyright (C) 2000-2002 Guus Sliepen <guus@sliepen.eu.org>,
-                  2000-2002 Ivo Timmermans <ivo@o2w.nl>
+    Copyright (C) 2000-2003 Guus Sliepen <guus@sliepen.eu.org>,
+                  2000-2003 Ivo Timmermans <ivo@o2w.nl>
 
     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
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: subnet.c,v 1.1.2.43 2002/09/15 14:55:54 guus Exp $
+    $Id: subnet.c,v 1.1.2.51 2003/11/17 15:30:18 guus Exp $
 */
 
-#include "config.h"
-
-#include <stdio.h>
-#include <syslog.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <netinet/in.h>
-
-#include <utils.h>
-#include <xalloc.h>
-#include <avl_tree.h>
+#include "system.h"
 
-#include "conf.h"
+#include "avl_tree.h"
+#include "logger.h"
 #include "net.h"
+#include "netutl.h"
 #include "node.h"
 #include "subnet.h"
-#include "netutl.h"
-
-#include "system.h"
+#include "utils.h"
+#include "xalloc.h"
 
 /* lists type of subnet */
 
@@ -48,7 +37,7 @@ avl_tree_t *subnet_tree;
 
 /* Subnet comparison */
 
-int subnet_compare_mac(subnet_t *a, subnet_t *b)
+static int subnet_compare_mac(const subnet_t *a, const subnet_t *b)
 {
        int result;
 
@@ -60,7 +49,7 @@ int subnet_compare_mac(subnet_t *a, subnet_t *b)
        return strcmp(a->owner->name, b->owner->name);
 }
 
-int subnet_compare_ipv4(subnet_t *a, subnet_t *b)
+static int subnet_compare_ipv4(const subnet_t *a, const subnet_t *b)
 {
        int result;
 
@@ -77,7 +66,7 @@ int subnet_compare_ipv4(subnet_t *a, subnet_t *b)
        return strcmp(a->owner->name, b->owner->name);
 }
 
-int subnet_compare_ipv6(subnet_t *a, subnet_t *b)
+static int subnet_compare_ipv6(const subnet_t *a, const subnet_t *b)
 {
        int result;
 
@@ -94,7 +83,7 @@ int subnet_compare_ipv6(subnet_t *a, subnet_t *b)
        return strcmp(a->owner->name, b->owner->name);
 }
 
-int subnet_compare(subnet_t *a, subnet_t *b)
+int subnet_compare(const subnet_t *a, const subnet_t *b)
 {
        int result;
 
@@ -111,7 +100,7 @@ int subnet_compare(subnet_t *a, subnet_t *b)
        case SUBNET_IPV6:
                return subnet_compare_ipv6(a, b);
        default:
-               syslog(LOG_ERR, _("subnet_compare() was called with unknown subnet type %d, exitting!"),
+               logger(LOG_ERR, _("subnet_compare() was called with unknown subnet type %d, exitting!"),
                           a->type);
                cp_trace();
                exit(0);
@@ -156,7 +145,7 @@ subnet_t *new_subnet(void)
 {
        cp();
 
-       return (subnet_t *) xmalloc_and_zero(sizeof(subnet_t));
+       return xmalloc_and_zero(sizeof(subnet_t));
 }
 
 void free_subnet(subnet_t *subnet)
@@ -188,7 +177,7 @@ void subnet_del(node_t *n, subnet_t *subnet)
 
 /* Ascii representation of subnets */
 
-subnet_t *str2net(char *subnetstr)
+subnet_t *str2net(const char *subnetstr)
 {
        int i, l;
        subnet_t *subnet;
@@ -257,7 +246,7 @@ subnet_t *str2net(char *subnetstr)
        return NULL;
 }
 
-char *net2str(subnet_t *subnet)
+char *net2str(const subnet_t *subnet)
 {
        char *netstr;
 
@@ -295,7 +284,7 @@ char *net2str(subnet_t *subnet)
                        break;
 
                default:
-                       syslog(LOG_ERR,
+                       logger(LOG_ERR,
                                   _("net2str() was called with unknown subnet type %d, exiting!"),
                                   subnet->type);
                        cp_trace();
@@ -307,43 +296,43 @@ char *net2str(subnet_t *subnet)
 
 /* Subnet lookup routines */
 
-subnet_t *lookup_subnet(node_t *owner, subnet_t *subnet)
+subnet_t *lookup_subnet(const node_t *owner, const subnet_t *subnet)
 {
        cp();
 
        return avl_search(owner->subnet_tree, subnet);
 }
 
-subnet_t *lookup_subnet_mac(mac_t *address)
+subnet_t *lookup_subnet_mac(const mac_t *address)
 {
-       subnet_t subnet, *p;
+       subnet_t *p, subnet = {0};
 
        cp();
 
        subnet.type = SUBNET_MAC;
-       memcpy(&subnet.net.mac.address, address, sizeof(mac_t));
+       subnet.net.mac.address = *address;
        subnet.owner = NULL;
 
-       p = (subnet_t *) avl_search(subnet_tree, &subnet);
+       p = avl_search(subnet_tree, &subnet);
 
        return p;
 }
 
-subnet_t *lookup_subnet_ipv4(ipv4_t *address)
+subnet_t *lookup_subnet_ipv4(const ipv4_t *address)
 {
-       subnet_t subnet, *p;
+       subnet_t *p, subnet = {0};
 
        cp();
 
        subnet.type = SUBNET_IPV4;
-       memcpy(&subnet.net.ipv4.address, address, sizeof(ipv4_t));
+       subnet.net.ipv4.address = *address;
        subnet.net.ipv4.prefixlength = 32;
        subnet.owner = NULL;
 
        do {
                /* Go find subnet */
 
-               p = (subnet_t *) avl_search_closest_smaller(subnet_tree, &subnet);
+               p = avl_search_closest_smaller(subnet_tree, &subnet);
 
                /* Check if the found subnet REALLY matches */
 
@@ -367,21 +356,21 @@ subnet_t *lookup_subnet_ipv4(ipv4_t *address)
        return p;
 }
 
-subnet_t *lookup_subnet_ipv6(ipv6_t *address)
+subnet_t *lookup_subnet_ipv6(const ipv6_t *address)
 {
-       subnet_t subnet, *p;
+       subnet_t *p, subnet = {0};
 
        cp();
 
        subnet.type = SUBNET_IPV6;
-       memcpy(&subnet.net.ipv6.address, address, sizeof(ipv6_t));
+       subnet.net.ipv6.address = *address;
        subnet.net.ipv6.prefixlength = 128;
        subnet.owner = NULL;
 
        do {
                /* Go find subnet */
 
-               p = (subnet_t *) avl_search_closest_smaller(subnet_tree, &subnet);
+               p = avl_search_closest_smaller(subnet_tree, &subnet);
 
                /* Check if the found subnet REALLY matches */
 
@@ -411,14 +400,14 @@ void dump_subnets(void)
 
        cp();
 
-       syslog(LOG_DEBUG, _("Subnet list:"));
+       logger(LOG_DEBUG, _("Subnet list:"));
 
        for(node = subnet_tree->head; node; node = node->next) {
-               subnet = (subnet_t *) node->data;
+               subnet = node->data;
                netstr = net2str(subnet);
-               syslog(LOG_DEBUG, _(" %s owner %s"), netstr, subnet->owner->name);
+               logger(LOG_DEBUG, _(" %s owner %s"), netstr, subnet->owner->name);
                free(netstr);
        }
 
-       syslog(LOG_DEBUG, _("End of subnet list."));
+       logger(LOG_DEBUG, _("End of subnet list."));
 }