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/*
* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <getopt.h>
#include <gpxe/netdevice.h>
#include <gpxe/command.h>
#include <usr/dhcpmgmt.h>
/** @file
*
* DHCP management commands
*
*/
/**
* "dhcp" command syntax message
*
* @v argv Argument list
*/
static void dhcp_syntax ( char **argv ) {
printf ( "Usage:\n"
" %s <interface>\n"
"\n"
"Configure a network interface using DHCP\n",
argv[0] );
}
/**
* The "dhcp" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Exit code
*/
static int dhcp_exec ( int argc, char **argv ) {
static struct option longopts[] = {
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
const char *name;
struct net_device *netdev;
int c;
int rc;
/* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
switch ( c ) {
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
dhcp_syntax ( argv );
return 1;
}
}
/* Need exactly one interface name remaining after the options */
if ( optind != ( argc - 1 ) ) {
dhcp_syntax ( argv );
return 1;
}
name = argv[optind];
/* Perform DHCP */
netdev = find_netdev ( name );
if ( ! netdev ) {
printf ( "No such interface: %s\n", name );
return 1;
}
if ( ( rc = dhcp ( netdev ) ) != 0 ) {
printf ( "Could not configure %s: %s\n", netdev->name,
strerror ( rc ) );
return 1;
}
return 0;
}
/** DHCP management commands */
struct command dhcp_commands[] __command = {
{
.name = "dhcp",
.exec = dhcp_exec,
},
};
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