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30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
From: Joshua Oreman <oremanj@rwcr.net>
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Date: Tue, 3 Nov 2009 18:31:12 +0000 (-0500)
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Subject: [dhcp] Accept ProxyDHCP replies of type DHCPOFFER
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X-Git-Url: http://git.etherboot.org/?p=gpxe.git;a=commitdiff_plain;h=04e4a4f69520422d7ff7f02ba0f6d9a9dd084ee2
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[dhcp] Accept ProxyDHCP replies of type DHCPOFFER
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The PXE standard provides examples of ProxyDHCP responses being encoded both
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as type DHCPOFFER and DHCPACK, but currently we only accept DHCPACKs. Since
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there are PXE servers in existence that respond to ProxyDHCPREQUESTs with
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DHCPOFFERs, modify gPXE's ProxyDHCP pruning logic to treat both types of
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responses equally.
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Signed-off-by: Marty Connor <mdc@etherboot.org>
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---
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diff --git a/src/net/udp/dhcp.c b/src/net/udp/dhcp.c
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index b0dd952..ac4f82c 100644
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--- a/src/net/udp/dhcp.c
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+++ b/src/net/udp/dhcp.c
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@@ -627,7 +627,7 @@ static void dhcp_proxy_rx ( struct dhcp_session *dhcp,
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/* Filter out unacceptable responses */
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if ( peer->sin_port != dhcp->proxy_port )
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return;
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- if ( msgtype != DHCPACK )
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+ if ( ( msgtype != DHCPOFFER ) && ( msgtype != DHCPACK ) )
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return;
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if ( server_id.s_addr /* Linux PXE server omits server ID */ &&
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( server_id.s_addr != dhcp->proxy_server.s_addr ) )
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