along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: subnet.c,v 1.1.2.32 2002/03/11 11:23:04 guus Exp $
+ $Id: subnet.c,v 1.1.2.35 2002/04/26 18:13:00 zarq Exp $
*/
#include "config.h"
#include "system.h"
-int cache_mac_valid = 0;
-int cache_ipv4_valid = 0;
-int cache_ipv6_valid = 0;
-
/* lists type of subnet */
avl_tree_t *subnet_tree;
if(result)
return result;
- return a->net.ipv4.masklength - b->net.ipv4.masklength;
+ return a->net.ipv4.prefixlength - b->net.ipv4.prefixlength;
}
int subnet_compare_ipv6(subnet_t *a, subnet_t *b)
if(result)
return result;
- return a->net.ipv6.masklength - b->net.ipv6.masklength;
+ return a->net.ipv6.prefixlength - b->net.ipv6.prefixlength;
}
int subnet_compare(subnet_t *a, subnet_t *b)
/* Adding and removing subnets */
-void cache_invalidate(void)
-{
- cache_mac_valid = 0;
- cache_ipv4_valid = 0;
- cache_ipv6_valid = 0;
-}
-
void subnet_add(node_t *n, subnet_t *subnet)
{
cp
subnet->owner = n;
- cache_invalidate();
-
avl_insert(subnet_tree, subnet);
cp
avl_insert(n->subnet_tree, subnet);
void subnet_del(node_t *n, subnet_t *subnet)
{
cp
- cache_invalidate();
-
avl_delete(n->subnet_tree, subnet);
cp
avl_delete(subnet_tree, subnet);
&l) == 5)
{
subnet->type = SUBNET_IPV4;
- subnet->net.ipv4.masklength = l;
+ subnet->net.ipv4.prefixlength = l;
for(i = 0; i < 4; i++)
subnet->net.ipv4.address.x[i] = x[i];
return subnet;
&l) == 9)
{
subnet->type = SUBNET_IPV6;
- subnet->net.ipv6.masklength = l;
+ subnet->net.ipv6.prefixlength = l;
for(i = 0; i < 8; i++)
subnet->net.ipv6.address.x[i] = htons(x[i]);
return subnet;
&x[0], &x[1], &x[2], &x[3]) == 4)
{
subnet->type = SUBNET_IPV4;
- subnet->net.ipv4.masklength = 32;
+ subnet->net.ipv4.prefixlength = 32;
for(i = 0; i < 4; i++)
subnet->net.ipv4.address.x[i] = x[i];
return subnet;
&x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7]) == 8)
{
subnet->type = SUBNET_IPV6;
- subnet->net.ipv6.masklength = 128;
+ subnet->net.ipv6.prefixlength = 128;
for(i = 0; i < 8; i++)
subnet->net.ipv6.address.x[i] = htons(x[i]);
return subnet;
subnet->net.ipv4.address.x[1],
subnet->net.ipv4.address.x[2],
subnet->net.ipv4.address.x[3],
- subnet->net.ipv4.masklength);
+ subnet->net.ipv4.prefixlength);
break;
case SUBNET_IPV6:
asprintf(&netstr, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx/%d",
ntohs(subnet->net.ipv6.address.x[5]),
ntohs(subnet->net.ipv6.address.x[6]),
ntohs(subnet->net.ipv6.address.x[7]),
- subnet->net.ipv6.masklength);
+ subnet->net.ipv6.prefixlength);
break;
default:
- syslog(LOG_ERR, _("net2str() was called with unknown subnet type %d, exitting!"), subnet->type);
+ syslog(LOG_ERR, _("net2str() was called with unknown subnet type %d, exiting!"), subnet->type);
cp_trace();
exit(0);
}
subnet_t *lookup_subnet_mac(mac_t *address)
{
- static subnet_t subnet, *p;
+ subnet_t subnet, *p;
cp
- if(cache_mac_valid && !memcmp(&subnet.net.mac.address, address, sizeof(mac_t)))
- return p;
-
subnet.type = SUBNET_MAC;
memcpy(&subnet.net.mac.address, address, sizeof(mac_t));
p = (subnet_t *)avl_search(subnet_tree, &subnet);
- cache_mac_valid = 1;
cp
return p;
}
subnet_t *lookup_subnet_ipv4(ipv4_t *address)
{
- static subnet_t subnet, *p;
+ subnet_t subnet, *p;
cp
- if(cache_ipv4_valid && !memcmp(&subnet.net.ipv4.address, address, sizeof(ipv4_t)))
- return p;
-
subnet.type = SUBNET_IPV4;
memcpy(&subnet.net.ipv4.address, address, sizeof(ipv4_t));
- subnet.net.ipv4.masklength = 32;
+ subnet.net.ipv4.prefixlength = 32;
do
{
break;
}
- if (!maskcmp((char *)address, (char *)&p->net.ipv4.address, p->net.ipv4.masklength, sizeof(ipv4_t)))
+ if (!maskcmp((char *)address, (char *)&p->net.ipv4.address, p->net.ipv4.prefixlength, sizeof(ipv4_t)))
break;
else
{
/* Otherwise, see if there is a bigger enclosing subnet */
- subnet.net.ipv4.masklength = p->net.ipv4.masklength - 1;
- maskcpy((char *)&subnet.net.ipv4.address, (char *)&p->net.ipv4.address, subnet.net.ipv4.masklength, sizeof(ipv4_t));
+ subnet.net.ipv4.prefixlength = p->net.ipv4.prefixlength - 1;
+ maskcpy((char *)&subnet.net.ipv4.address, (char *)&p->net.ipv4.address, subnet.net.ipv4.prefixlength, sizeof(ipv4_t));
}
}
} while (p);
-
- memcpy(&subnet.net.ipv4.address, address, sizeof(ipv4_t));
- cache_ipv4_valid = 1;
cp
return p;
}
subnet_t *lookup_subnet_ipv6(ipv6_t *address)
{
- static subnet_t subnet, *p;
+ subnet_t subnet, *p;
cp
- if(cache_ipv6_valid && !memcmp(&subnet.net.ipv6.address, address, sizeof(ipv6_t)))
- return p;
-
subnet.type = SUBNET_IPV6;
memcpy(&subnet.net.ipv6.address, address, sizeof(ipv6_t));
- subnet.net.ipv6.masklength = 128;
+ subnet.net.ipv6.prefixlength = 128;
do
{
if(p->type != SUBNET_IPV6)
return NULL;
- if (!maskcmp((char *)address, (char *)&p->net.ipv6.address, p->net.ipv6.masklength, sizeof(ipv6_t)))
+ if (!maskcmp((char *)address, (char *)&p->net.ipv6.address, p->net.ipv6.prefixlength, sizeof(ipv6_t)))
break;
else
{
/* Otherwise, see if there is a bigger enclosing subnet */
- subnet.net.ipv6.masklength = p->net.ipv6.masklength - 1;
- maskcpy((char *)&subnet.net.ipv6.address, (char *)&p->net.ipv6.address, subnet.net.ipv6.masklength, sizeof(ipv6_t));
+ subnet.net.ipv6.prefixlength = p->net.ipv6.prefixlength - 1;
+ maskcpy((char *)&subnet.net.ipv6.address, (char *)&p->net.ipv6.address, subnet.net.ipv6.prefixlength, sizeof(ipv6_t));
}
}
} while (p);
-
- memcpy(&subnet.net.ipv6.address, address, sizeof(ipv6_t));
- cache_ipv6_valid = 1;
cp
return p;
}