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ee4206a8a7
Add dedicated functions create_dhcpdiscover(), create_dhcpack() and create_proxydhcpack() for use by external code such as the PXE preboot code. Register ProxyDHCP options under the global scope "proxydhcp". Unregister previously-acquired DHCP and ProxyDHCP settings when DHCP succeeds.
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
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*
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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 any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <gpxe/netdevice.h>
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#include <gpxe/dhcp.h>
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#include <gpxe/monojob.h>
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#include <gpxe/process.h>
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#include <usr/ifmgmt.h>
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#include <usr/dhcpmgmt.h>
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/** @file
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*
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* DHCP management
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*
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*/
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int dhcp ( struct net_device *netdev ) {
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int rc;
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/* Check we can open the interface first */
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if ( ( rc = ifopen ( netdev ) ) != 0 )
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return rc;
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/* Perform DHCP */
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printf ( "DHCP (%s %s)", netdev->name, netdev_hwaddr ( netdev ) );
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if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 )
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rc = monojob_wait ( "" );
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return rc;
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}
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