qubes-installer-qubes-os/anaconda/loader/ibft.c
2011-03-31 13:40:54 +02:00

106 lines
2.3 KiB
C

/*
File name: ibft.c
Date: 2008/09/02
Author: Martin Sivak <msivak@redhat.com>
Copyright (C) 2008 Red Hat
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
in a file called COPYING along with this program; if not, write to
the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
02139, USA.
*/
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <libiscsi.h>
#include "ibft.h"
struct libiscsi_network_config ibft_context;
int ibft_ispresent = 0;
int ibft_initialized = 0;
int ibft_init(void)
{
int ret;
memset(&ibft_context, 0, sizeof(ibft_context));
ret = libiscsi_get_firmware_network_config(&ibft_context);
/* ret == 0 -> OK */
ibft_ispresent = !ret;
ibft_initialized = 1;
return ibft_initialized;
}
/* Is iBFT available on this system */
int ibft_present()
{
if(!ibft_initialized)
ibft_init();
return ibft_ispresent;
}
/* Is the iBFT network configured to use DHCP */
int ibft_iface_dhcp()
{
if(!ibft_initialized)
ibft_init();
if(!ibft_present())
return -1;
return ibft_context.dhcp;
}
#define ibft_iface_charfunc(name, var) char* ibft_iface_##name()\
{\
if(!ibft_initialized)\
ibft_init();\
\
if(!ibft_present())\
return NULL;\
\
if(!strlen(ibft_context.var))\
return NULL;\
\
return ibft_context.var;\
}
/* Get the iBFT MAC address */
ibft_iface_charfunc(mac, mac_address)
/* Get the iBFT ip address */
ibft_iface_charfunc(ip, ip_address)
/* Get the iBFT subnet mask */
ibft_iface_charfunc(mask, netmask)
/* Get the iBFT gateway */
ibft_iface_charfunc(gw, gateway)
/* Get the iBFT iface name */
ibft_iface_charfunc(iface, iface_name)
/* Get the iBFT dns servers */
ibft_iface_charfunc(dns1, primary_dns)
ibft_iface_charfunc(dns2, secondary_dns)