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- confirm requested hostname

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This commit is contained in:
Volker Ruppert 2009-02-03 20:04:20 +00:00
parent fdf4f25230
commit 8b608fe045
1 changed files with 31 additions and 1 deletions
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32
bochs/iodev/eth_vnet.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: eth_vnet.cc,v 1.23 2008-12-11 18:01:56 vruppert Exp $
// $Id: eth_vnet.cc,v 1.24 2009-02-03 20:04:20 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// virtual Ethernet locator
@ -862,6 +862,7 @@ void bx_vnet_pktmover_c::udpipv4_dhcp_handler_ns(
bx_bool found_serverid = false;
bx_bool found_leasetime = false;
bx_bool found_guest_ipaddr = false;
bx_bool found_host_name = false;
Bit32u leasetime = BX_MAX_BIT32U;
const Bit8u *dhcpreqparams = NULL;
unsigned dhcpreqparams_len = 0;
@ -870,6 +871,8 @@ void bx_vnet_pktmover_c::udpipv4_dhcp_handler_ns(
unsigned dhcpreqparams_default_len = 0;
Bit8u *replyopts;
Bit8u replybuf[576];
char *hostname = NULL;
unsigned hostname_len = 0;
if (data_len < (236U+64U)) return;
if (data[0] != BOOTREQUEST) return;
@ -941,6 +944,14 @@ void bx_vnet_pktmover_c::udpipv4_dhcp_handler_ns(
memcpy(guest_ipv4addr,default_guest_ipv4addr,4);
}
break;
case BOOTPOPT_HOST_NAME:
if (extlen < 1)
break;
hostname = (char*)malloc(extlen);
memcpy(hostname, extdata, extlen);
hostname_len = extlen;
found_host_name = true;
break;
default:
BX_ERROR(("extcode %d not supported yet", extcode));
break;
@ -973,6 +984,9 @@ void bx_vnet_pktmover_c::udpipv4_dhcp_handler_ns(
opts_len -= 3;
dhcpreqparam_default[0] = BOOTPOPT_IP_ADDRESS_LEASE_TIME;
dhcpreqparam_default[1] = BOOTPOPT_SERVER_IDENTIFIER;
if (found_host_name) {
dhcpreqparam_default[2] = BOOTPOPT_HOST_NAME;
}
dhcpreqparam_default_validflag = true;
break;
case DHCPREQUEST:
@ -1113,6 +1127,22 @@ void bx_vnet_pktmover_c::udpipv4_dhcp_handler_ns(
put_net4(replyopts, 1800);
replyopts += 4;
break;
case BOOTPOPT_HOST_NAME:
if (hostname != NULL) {
BX_INFO(("provide BOOTPOPT_HOST_NAME"));
if (opts_len < (hostname_len + 2)) {
free(hostname);
BX_ERROR(("option buffer is insufficient"));
return;
}
opts_len -= (hostname_len + 2);
*replyopts ++ = BOOTPOPT_HOST_NAME;
*replyopts ++ = hostname_len;
memcpy(replyopts, hostname, hostname_len);
*replyopts += hostname_len;
free(hostname);
break;
}
default:
if (*(dhcpreqparams-1) != 0) {
BX_ERROR(("dhcp server: requested parameter %u not supported yet",*(dhcpreqparams-1)));