static void BootpVendorProcess (u8 * ext, int size)
{
u8 *end = ext + size;
debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
while ((ext < end) && (*ext != 0xff)) {
if (*ext == 0) {
ext++;
} else {
u8 *opt = ext;
ext += ext[1] + 2;
if (ext <= end)
BootpVendorFieldProcess (opt);
}
}
#ifdef DEBUG_BOOTP_EXT
puts ("[BOOTP] Received fields: \n");
if (NetOurSubnetMask) {
puts ("NetOurSubnetMask : ");
print_IPaddr (NetOurSubnetMask);
putc ('\n');
}
if (NetOurGatewayIP) {
puts ("NetOurGatewayIP : ");
print_IPaddr (NetOurGatewayIP);
putc ('\n');
}
if (NetBootFileSize) {
printf ("NetBootFileSize : %d\n", NetBootFileSize);
}
if (NetOurHostName[0]) {
printf ("NetOurHostName : %s\n", NetOurHostName);
}
if (NetOurRootPath[0]) {
printf ("NetOurRootPath : %s\n", NetOurRootPath);
}
if (NetOurNISDomain[0]) {
printf ("NetOurNISDomain : %s\n", NetOurNISDomain);
}
if (NetBootFileSize) {
printf ("NetBootFileSize: %d\n", NetBootFileSize);
}
#endif /* DEBUG_BOOTP_EXT */
}
static void BootpVendorFieldProcess (u8 * ext)
{
int size = *(ext + 1);
debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
*(ext + 1));
NetBootFileSize = 0;
switch (*ext) {
/* Fixed length fields */
case 1: /* Subnet mask */
if (NetOurSubnetMask == 0)
NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
break;
case 2: /* Time offset - Not yet supported */
break;
/* Variable length fields */
case 3: /* Gateways list */
if (NetOurGatewayIP == 0) {
NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
}
break;
case 4: /* Time server - Not yet supported */
break;
case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
if (NetOurDNSIP == 0) {
NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2));
}
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
if ((NetOurDNS2IP == 0) && (size > 4)) {
NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
}
#endif
break;
case 7: /* Log server - Not yet supported */
break;
case 8: /* Cookie/Quote server - Not yet supported */
break;
case 9: /* LPR server - Not yet supported */
break;
case 10: /* Impress server - Not yet supported */
break;
case 11: /* RPL server - Not yet supported */
break;
case 12: /* Host name */
if (NetOurHostName[0] == 0) {
size = truncate_sz ("Host Name", sizeof (NetOurHostName), size);
memcpy (&NetOurHostName, ext + 2, size);
NetOurHostName[size] = 0;
}
break;
case 13: /* Boot file size */
if (size == 2)
NetBootFileSize = ntohs (*(ushort *) (ext + 2));
else if (size == 4)
NetBootFileSize = ntohl (*(ulong *) (ext + 2));
break;
case 14: /* Merit dump file - Not yet supported */
break;
case 15: /* Domain name - Not yet supported */
break;
case 16: /* Swap server - Not yet supported */
break;
case 17: /* Root path */
if (NetOurRootPath[0] == 0) {
size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size);
memcpy (&NetOurRootPath, ext + 2, size);
NetOurRootPath[size] = 0;
}
break;
case 18: /* Extension path - Not yet supported */
/*
* This can be used to send the information of the
* vendor area in another file that the client can
* access via TFTP.
*/
break;
/* IP host layer fields */
case 40: /* NIS Domain name */
if (NetOurNISDomain[0] == 0) {
size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size);
memcpy (&NetOurNISDomain, ext + 2, size);
NetOurNISDomain[size] = 0;
}
break;
/* Application layer fields */
case 43: /* Vendor specific info - Not yet supported */
/*
* Binary information to exchange specific
* product information.
*/
break;
/* Reserved (custom) fields (128..254) */
}
}
static void ekg_gnutls_log(gint level, const char *msg) {
debug_ext(DEBUG_GGMISC, "[gnutls:%d] %s", level, msg);
}
