unsigned int get_addr (struct iprange *ipr)
{
unsigned int x, y;
int status;
struct iprange *ipr2;
while (ipr)
{
if (ipr->sense == SENSE_ALLOW)
for (x = ntohl (ipr->start); x <= ntohl (ipr->end); x++)
{
/* Found an IP in an ALLOW range, check to be sure it is
consistent through the remaining regions */
if (!ip_used (x))
{
status = SENSE_ALLOW;
ipr2 = ipr->next;
while (ipr2)
{
if ((x >= ntohl (ipr2->start))
&& (x <= ntohl (ipr2->end)))
status = ipr2->sense;
ipr2 = ipr2->next;
}
y = htonl (x);
if (status == SENSE_ALLOW)
return y;
}
};
ipr = ipr->next;
}
return 0;
}
void reserve_addr (unsigned int addr)
{
/* Mark this address as in use */
struct addr_ent *tmp, *tmp2;
addr = ntohl (addr);
if (ip_used (addr))
return;
tmp = uaddr[addr % ADDR_HASH_SIZE];
tmp2 = (struct addr_ent *) malloc (sizeof (struct addr_ent));
uaddr[addr % ADDR_HASH_SIZE] = tmp2;
tmp2->next = tmp;
tmp2->addr = addr;
}
unsigned int get_addr (struct iprange *ipr)
{
unsigned int x, y;
int status;
struct iprange *ipr2;
for(; ipr; ipr = ipr->next)
{
if (unlikely(ipr->sense != SENSE_ALLOW))
continue;
for (x = ntohl (ipr->start); x <= ntohl (ipr->end); x++)
{
/*
* Found an IP in an ALLOW range, check to be sure it is
* consistant through the remaining regions
*/
if (ip_used(x))
continue;
status = SENSE_ALLOW;
for(ipr2 = ipr->next; ipr2; ipr2 = ipr2->next)
{
if ((x >= ntohl(ipr2->start)) &&
(x <= ntohl (ipr2->end)))
status = ipr2->sense;
}
if (status == SENSE_ALLOW) {
y = htonl(x);
return y;
}
}
}
return 0;
}