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[dhcp] Ignore DHCPACKs containing incorrect IP addresses

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-09-24 04:45:29 +01:00
parent c517d0ea7f
commit ba6aca3424
1 changed files with 2 additions and 0 deletions
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2
src/net/udp/dhcp.c
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@@ -528,6 +528,8 @@ static void dhcp_request_rx ( struct dhcp_session *dhcp,
return; return;
if ( server_id.s_addr != dhcp->server.s_addr ) if ( server_id.s_addr != dhcp->server.s_addr )
return; return;
if ( ip.s_addr != dhcp->offer.s_addr )
return;
/* Record assigned address */ /* Record assigned address */
dhcp->local.sin_addr = ip; dhcp->local.sin_addr = ip;