47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
diff -up dhcp-4.2.0/client/dhc6.c.release6-elapsed dhcp-4.2.0/client/dhc6.c
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--- dhcp-4.2.0/client/dhc6.c.release6-elapsed 2010-07-21 16:19:52.000000000 +0200
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+++ dhcp-4.2.0/client/dhc6.c 2010-07-21 16:21:14.000000000 +0200
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@@ -2177,7 +2177,7 @@ do_release6(void *input)
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struct client_state *client;
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struct data_string ds;
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int send_ret;
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- struct timeval tv;
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+ struct timeval elapsed, tv;
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client = input;
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@@ -2197,6 +2197,14 @@ do_release6(void *input)
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client->start_time.tv_usec = cur_tv.tv_usec;
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}
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+ /* elapsed = cur - start */
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+ elapsed.tv_sec = cur_tv.tv_sec - client->start_time.tv_sec;
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+ elapsed.tv_usec = cur_tv.tv_usec - client->start_time.tv_usec;
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+ if (elapsed.tv_usec < 0) {
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+ elapsed.tv_sec -= 1;
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+ elapsed.tv_usec += 1000000;
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+ }
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+
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/*
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* Don't use unicast as we don't know if we still have an
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* available address with enough scope.
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@@ -2213,6 +2221,18 @@ do_release6(void *input)
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ds.buffer->data[0] = DHCPV6_RELEASE;
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memcpy(ds.buffer->data + 1, client->dhcpv6_transaction_id, 3);
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+ /* Form an elapsed option. */
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+ /* Maximum value is 65535 1/100s coded as 0xffff. */
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+ if ((elapsed.tv_sec < 0) || (elapsed.tv_sec > 655) ||
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+ ((elapsed.tv_sec == 655) && (elapsed.tv_usec > 350000))) {
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+ client->elapsed = 0xffff;
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+ } else {
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+ client->elapsed = elapsed.tv_sec * 100;
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+ client->elapsed += elapsed.tv_usec / 10000;
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+ }
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+
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+ client->elapsed = htons(client->elapsed);
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+
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log_debug("XMT: Forming Release.");
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make_client6_options(client, &client->sent_options,
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client->active_lease, DHCPV6_RELEASE);
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