Hi,
DHCP offer can use multicast address, so instead of comparing the
target address, we should compare the mac field in the dhcp packet.
--
Best wishes
Bean
=== modified file 'grub-core/net/ip.c'
--- grub-core/net/ip.c 2012-02-09 22:43:43 +0000
+++ grub-core/net/ip.c 2012-04-29 04:13:32 +0000
@@ -240,7 +240,7 @@
FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
if (inf->card == card
&& inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_DHCP_RECV
- && grub_net_hwaddr_cmp (&inf->hwaddress, hwaddress) == 0)
+ && inf->hwaddress.type == GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET)
{
if (udph->chksum)
{
@@ -266,7 +266,11 @@
err = grub_netbuff_pull (nb, sizeof (*udph));
if (err)
return err;
- grub_net_process_dhcp (nb, inf->card);
+ struct grub_net_bootp_packet *dhcp =
+ (struct grub_net_bootp_packet *) nb->data;
+ if (grub_memcmp(inf->hwaddress.mac, &dhcp->mac_addr,
+ sizeof(inf->hwaddress.mac)) == 0)
+ grub_net_process_dhcp (nb, inf->card);
grub_netbuff_free (nb);
return GRUB_ERR_NONE;
}
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