1 diff -up dhcp-4.2.0/client/dhclient.c.inherit dhcp-4.2.0/client/dhclient.c
2 --- dhcp-4.2.0/client/dhclient.c.inherit 2010-07-21 14:33:44.000000000 +0200
3 +++ dhcp-4.2.0/client/dhclient.c 2010-07-21 14:40:05.000000000 +0200
4 @@ -2322,6 +2322,7 @@ void send_request (cpp)
6 struct client_state *client = cpp;
11 struct sockaddr_in destination;
12 @@ -2381,6 +2382,22 @@ void send_request (cpp)
13 /* Now do a preinit on the interface so that we can
14 discover a new address. */
15 script_init (client, "PREINIT", (struct string_list *)0);
17 + /* Has an active lease */
18 + if (client -> interface -> addresses != NULL) {
19 + for (i = 0; i < client -> interface -> address_count; i++) {
20 + if (client -> active &&
21 + client -> active -> is_bootp &&
22 + client -> active -> expiry > cur_time &&
23 + client -> interface -> addresses[i].s_addr != 0 &&
24 + client -> active -> address.len == 4 &&
25 + memcpy (client -> active -> address.iabuf, &(client -> interface -> addresses[i]), 4) == 0) {
26 + client_envadd (client, "", "keep_old_ip", "%s", "yes");
33 script_write_params (client, "alias_",