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3161ff3 |
diff -up dhcp-4.1.0/client/dhclient.c.inherit dhcp-4.1.0/client/dhclient.c
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3161ff3 |
--- dhcp-4.1.0/client/dhclient.c.inherit 2009-01-06 12:08:56.000000000 -1000
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+++ dhcp-4.1.0/client/dhclient.c 2009-01-06 12:08:57.000000000 -1000
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3161ff3 |
@@ -2299,6 +2299,7 @@ void send_request (cpp)
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929b2c5 |
{
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struct client_state *client = cpp;
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929b2c5 |
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+ int i;
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929b2c5 |
int result;
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929b2c5 |
int interval;
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struct sockaddr_in destination;
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3161ff3 |
@@ -2358,6 +2359,22 @@ void send_request (cpp)
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4f14cb7 |
/* Now do a preinit on the interface so that we can
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4f14cb7 |
discover a new address. */
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4f14cb7 |
script_init (client, "PREINIT", (struct string_list *)0);
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929b2c5 |
+
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4f14cb7 |
+ /* Has an active lease */
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929b2c5 |
+ if (client -> interface -> addresses != NULL) {
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+ for (i = 0; i < client -> interface -> address_count; i++) {
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+ if (client -> active &&
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+ client -> active -> is_bootp &&
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+ client -> active -> expiry > cur_time &&
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+ client -> interface -> addresses[i].s_addr != 0 &&
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+ client -> active -> address.len == 4 &&
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+ memcpy (client -> active -> address.iabuf, &(client -> interface -> addresses[i]), 4) == 0) {
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+ client_envadd (client, "", "keep_old_ip", "%s", "yes");
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+ break;
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+ }
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+ }
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+ }
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+
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4f14cb7 |
if (client -> alias)
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4f14cb7 |
script_write_params (client, "alias_",
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4f14cb7 |
client -> alias);
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