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