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/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
*
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
* file LICENSE at the top level of this repository.
* You may also obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************
*
* dhcp_03.c:
*
* This is the PPA-specific code used for PATHSTAR. PATHSTAR uses BOOTP
* and has their own proprietary string in the vendor-specific-area.
* This code loads that string into the BOOTPVSA shell variable.
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
*/
#include "config.h"
#include "cpuio.h"
#include "ether.h"
#include "tfs.h"
#include "tfsprivate.h"
#include "genlib.h"
#include "stddefs.h"
/* ValidDHCPOffer():
Target issued the DISCOVER, the incoming packet is the server's
OFFER reply.
*/
ValidDHCPOffer(struct dhcphdr *dhdr)
{
return(1);
}
/* buildDhcpHdr():
Called by dhcpboot.c to allow application-specific header stuff to
be added to header. Return 0 if generic stuff in dhcpboot.c is to be
used; else return 1 and the calling code will assume this function is
dealing with it (see dhcpboot.c for basic idea).
*/
int
buildDhcpHdr(struct dhcphdr *dhcpdata)
{
return(0);
}
/* DhcpBootpDone():
Called at the end of the Bootp or Dhcp transaction.
Input...
bootp: 1 if BOOTP; else DHCP.
dhdr: pointer to dhcp or bootp header.
vsize: size of vendor specific area (for bootp this is fixed at 64,
but for dhcp it is variable).
*/
void
DhcpBootpDone(int bootp, struct dhcphdr *dhdr, int vsize)
{
if (bootp) {
ulong cookie;
struct bootphdr *bhdr;
char bootpvsa[65], *vp;
bhdr = (struct bootphdr *)dhdr;
memcpy(&cookie,bhdr->vsa,4);
if (cookie != STANDARD_MAGIC_COOKIE) {
memcpy(bootpvsa,bhdr->vsa,64);
bootpvsa[64] = 0;
setenv("BOOTPVSA",bootpvsa);
}
}
}
/* DhcpVendorSpecific():
Process vendor specific stuff within the incoming dhcp header.
*/
void
DhcpVendorSpecific(struct dhcphdr *dhdr)
{
}
/* printDhcpVSopt():
Print vendor specific stuff within the incoming dhcp header.
*/
int
printDhcpVSopt(int vsopt, int vsoptlen, char *options)
{
return(0);
}
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