}
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
-static void DhcpOptionsProcess (uchar * popt)
+static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
{
uchar *end = popt + BOOTP_HDR_SIZE;
int oplen, size;
break;
case 59: /* Ignore Rebinding Time Option */
break;
+ case 66: /* Ignore TFTP server name */
+ break;
+ case 67: /* vendor opt bootfile */
+ /*
+ * I can't use dhcp_vendorex_proc here because I need
+ * to write into the bootp packet - even then I had to
+ * pass the bootp packet pointer into here as the
+ * second arg
+ */
+ size = truncate_sz ("Opt Boot File",
+ sizeof(bp->bp_file),
+ oplen);
+ if (bp->bp_file[0] == '\0' && size > 0) {
+ /*
+ * only use vendor boot file if we didn't
+ * receive a boot file in the main non-vendor
+ * part of the packet - god only knows why
+ * some vendors chose not to use this perfectly
+ * good spot to store the boot file (join on
+ * Tru64 Unix) it seems mind bogglingly crazy
+ * to me
+ */
+ printf("*** WARNING: using vendor "
+ "optional boot file\n");
+ memcpy(bp->bp_file, popt + 2, size);
+ bp->bp_file[size] = '\0';
+ }
+ break;
default:
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
if (dhcp_vendorex_proc (popt))
NetCopyIP(&bp->bp_ciaddr, &bp_offer->bp_ciaddr); /* both in network byte order */
NetCopyIP(&bp->bp_yiaddr, &bp_offer->bp_yiaddr);
NetCopyIP(&bp->bp_siaddr, &bp_offer->bp_siaddr);
- NetCopyIP(&bp->bp_giaddr, &bp_offer->bp_giaddr);
+ /*
+ * RFC3046 requires Relay Agents to discard packets with
+ * nonzero and offered giaddr
+ */
+ NetWriteIP(&bp->bp_giaddr, 0);
+
memcpy (bp->bp_chaddr, NetOurEther, 6);
/*
dhcp_state = REQUESTING;
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
- DhcpOptionsProcess((u8 *)&bp->bp_vend[4]);
+ DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp);
BootpCopyNetParams(bp); /* Store net params from reply */
char *s;
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
- DhcpOptionsProcess((u8 *)&bp->bp_vend[4]);
+ DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp);
BootpCopyNetParams(bp); /* Store net params from reply */
dhcp_state = BOUND;
puts ("DHCP client bound to address ");