| 1 |
diff -up dhcp-4.1.0/client/dhclient.c.inherit dhcp-4.1.0/client/dhclient.c
|
| 2 |
--- dhcp-4.1.0/client/dhclient.c.inherit 2009-01-06 12:08:56.000000000 -1000
|
| 3 |
+++ dhcp-4.1.0/client/dhclient.c 2009-01-06 12:08:57.000000000 -1000
|
| 4 |
@@ -2299,6 +2299,7 @@ void send_request (cpp)
|
| 5 |
{
|
| 6 |
struct client_state *client = cpp;
|
| 7 |
|
| 8 |
+ int i;
|
| 9 |
int result;
|
| 10 |
int interval;
|
| 11 |
struct sockaddr_in destination;
|
| 12 |
@@ -2358,6 +2359,22 @@ 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);
|
| 16 |
+
|
| 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");
|
| 27 |
+ break;
|
| 28 |
+ }
|
| 29 |
+ }
|
| 30 |
+ }
|
| 31 |
+
|
| 32 |
if (client -> alias)
|
| 33 |
script_write_params (client, "alias_",
|
| 34 |
client -> alias);
|