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d3e04df |
diff -up dhcp-4.1.1/client/dhclient.c.backoff dhcp-4.1.1/client/dhclient.c
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545bbd8 |
--- dhcp-4.1.1/client/dhclient.c.backoff 2010-02-08 16:41:52.000000000 +0100
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545bbd8 |
+++ dhcp-4.1.1/client/dhclient.c 2010-02-08 16:43:56.000000000 +0100
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545bbd8 |
@@ -1187,6 +1187,8 @@ void state_init (cpp)
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8273327 |
void *cpp;
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{
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8273327 |
struct client_state *client = cpp;
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8273327 |
+ enum dhcp_state init_state = client->state;
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545bbd8 |
+ struct timeval tv;
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8273327 |
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ASSERT_STATE(state, S_INIT);
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8273327 |
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545bbd8 |
@@ -1199,9 +1201,18 @@ void state_init (cpp)
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client -> first_sending = cur_time;
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client -> interval = client -> config -> initial_interval;
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8273327 |
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- /* Add an immediate timeout to cause the first DHCPDISCOVER packet
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- to go out. */
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- send_discover (client);
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+ if (init_state != S_DECLINED) {
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+ /* Add an immediate timeout to cause the first DHCPDISCOVER packet
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+ to go out. */
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+ send_discover(client);
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+ } else {
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+ /* We've received an OFFER and it has been DECLINEd by dhclient-script.
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+ * wait for a random time between 1 and backoff_cutoff seconds before
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8273327 |
+ * trying again. */
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545bbd8 |
+ tv . tv_sec = cur_time + ((1 + (random() >> 2)) % client->config->backoff_cutoff);
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545bbd8 |
+ tv . tv_usec = 0;
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545bbd8 |
+ add_timeout(&tv, send_discover, client, 0, 0);
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8273327 |
+ }
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}
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3161ff3 |
/*
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545bbd8 |
@@ -1480,6 +1491,7 @@ void bind_lease (client)
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8273327 |
send_decline (client);
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destroy_client_lease (client -> new);
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8273327 |
client -> new = (struct client_lease *)0;
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+ client -> state = S_DECLINED;
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8273327 |
state_init (client);
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return;
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8273327 |
}
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545bbd8 |
@@ -3689,6 +3701,7 @@ void client_location_changed ()
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case S_INIT:
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8273327 |
case S_REBINDING:
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8273327 |
case S_STOPPED:
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8273327 |
+ case S_DECLINED:
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8273327 |
break;
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8273327 |
}
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8273327 |
client -> state = S_INIT;
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d3e04df |
diff -up dhcp-4.1.1/includes/dhcpd.h.backoff dhcp-4.1.1/includes/dhcpd.h
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545bbd8 |
--- dhcp-4.1.1/includes/dhcpd.h.backoff 2010-02-08 16:41:52.000000000 +0100
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545bbd8 |
+++ dhcp-4.1.1/includes/dhcpd.h 2010-02-08 16:41:52.000000000 +0100
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d3e04df |
@@ -1017,7 +1017,8 @@ enum dhcp_state {
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8273327 |
S_BOUND = 5,
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8273327 |
S_RENEWING = 6,
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8273327 |
S_REBINDING = 7,
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8273327 |
- S_STOPPED = 8
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8273327 |
+ S_STOPPED = 8,
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8273327 |
+ S_DECLINED = 9
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8273327 |
};
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8273327 |
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8273327 |
/* Authentication and BOOTP policy possibilities (not all values work
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