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sd-dhcp-client: rebind raw socket when resetting transaction id

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As we are now filtering the raw socket based on the transaction id, we must
reset the BPF when we reset the transaction id.
This commit is contained in:
Tom Gundersen 2014-04-11 18:02:54 +02:00
parent 4d978a4669
commit eb105b96d5
1 changed files with 6 additions and 0 deletions
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6
src/libsystemd-network/sd-dhcp-client.c
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@ -473,7 +473,13 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
/* start over as we did not receive a timely ack or nak */
client->state = DHCP_STATE_INIT;
client->attempt = 1;
client->fd = safe_close(client->fd);
client->xid = random_u32();
r = dhcp_network_bind_raw_socket(client->index, &client->link, client->xid);
if (r < 0)
goto error;
client->fd = r;
/* fall through */
case DHCP_STATE_INIT: