1 files changed, 0 insertions, 158 deletions

diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c
deleted file mode 100644
index bb08c3adb..000000000
--- a/networking/udhcp/leases.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * leases.c -- tools to manage DHCP leases
- * Russ Dill <Russ.Dill@asu.edu> July 2001
- */
-
-#include <time.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include "dhcpd.h"
-#include "files.h"
-#include "options.h"
-#include "leases.h"
-#include "arpping.h"
-#include "common.h"
-
-#include "static_leases.h"
-
-
-uint8_t blank_chaddr[] = {[0 ... 15] = 0};
-
-/* clear every lease out that chaddr OR yiaddr matches and is nonzero */
-void clear_lease(uint8_t *chaddr, uint32_t yiaddr)
-{
-        unsigned int i, j;
-
-        for (j = 0; j < 16 && !chaddr[j]; j++);
-
-        for (i = 0; i < server_config.max_leases; i++)
-                if ((j != 16 && !memcmp(leases[i].chaddr, chaddr, 16)) ||
-                    (yiaddr && leases[i].yiaddr == yiaddr)) {
-                        memset(&(leases[i]), 0, sizeof(struct dhcpOfferedAddr));
-                }
-}
-
-
-/* add a lease into the table, clearing out any old ones */
-struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
-{
-        struct dhcpOfferedAddr *oldest;
-
-        /* clean out any old ones */
-        clear_lease(chaddr, yiaddr);
-
-        oldest = oldest_expired_lease();
-
-        if (oldest) {
-                memcpy(oldest->chaddr, chaddr, 16);
-                oldest->yiaddr = yiaddr;
-                oldest->expires = time(0) + lease;
-        }
-
-        return oldest;
-}
-
-
-/* true if a lease has expired */
-int lease_expired(struct dhcpOfferedAddr *lease)
-{
-        return (lease->expires < (unsigned long) time(0));
-}
-
-
-/* Find the oldest expired lease, NULL if there are no expired leases */
-struct dhcpOfferedAddr *oldest_expired_lease(void)
-{
-        struct dhcpOfferedAddr *oldest = NULL;
-        unsigned long oldest_lease = time(0);
-        unsigned int i;
-
-
-        for (i = 0; i < server_config.max_leases; i++)
-                if (oldest_lease > leases[i].expires) {
-                        oldest_lease = leases[i].expires;
-                        oldest = &(leases[i]);
-                }
-        return oldest;
-
-}
-
-
-/* Find the first lease that matches chaddr, NULL if no match */
-struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr)
-{
-        unsigned int i;
-
-        for (i = 0; i < server_config.max_leases; i++)
-                if (!memcmp(leases[i].chaddr, chaddr, 16)) return &(leases[i]);
-
-        return NULL;
-}
-
-
-/* Find the first lease that matches yiaddr, NULL is no match */
-struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr)
-{
-        unsigned int i;
-
-        for (i = 0; i < server_config.max_leases; i++)
-                if (leases[i].yiaddr == yiaddr) return &(leases[i]);
-
-        return NULL;
-}
-
-
-/* check is an IP is taken, if it is, add it to the lease table */
-static int check_ip(uint32_t addr)
-{
-        struct in_addr temp;
-
-        if (arpping(addr, server_config.server, server_config.arp, server_config.interface) == 0) {
-                temp.s_addr = addr;
-                LOG(LOG_INFO, "%s belongs to someone, reserving it for %ld seconds",
-                        inet_ntoa(temp), server_config.conflict_time);
-                add_lease(blank_chaddr, addr, server_config.conflict_time);
-                return 1;
-        } else return 0;
-}
-
-
-/* find an assignable address, it check_expired is true, we check all the expired leases as well.
- * Maybe this should try expired leases by age... */
-uint32_t find_address(int check_expired)
-{
-        uint32_t addr, ret;
-        struct dhcpOfferedAddr *lease = NULL;
-
-        addr = ntohl(server_config.start); /* addr is in host order here */
-        for (;addr <= ntohl(server_config.end); addr++) {
-
-                /* ie, 192.168.55.0 */
-                if (!(addr & 0xFF)) continue;
-
-                /* ie, 192.168.55.255 */
-                if ((addr & 0xFF) == 0xFF) continue;
-
-                /* Only do if it isn't an assigned as a static lease */
-                if(!reservedIp(server_config.static_leases, htonl(addr)))
-                {
-
-                /* lease is not taken */
-                ret = htonl(addr);
-                if ((!(lease = find_lease_by_yiaddr(ret)) ||
-
-                     /* or it expired and we are checking for expired leases */
-                     (check_expired  && lease_expired(lease))) &&
-
-                     /* and it isn't on the network */
-                     !check_ip(ret)) {
-                        return ret;
-                        break;
-                }
-        }
-        }
-        return 0;
-}