diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c')
-rw-r--r-- | contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c b/contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c new file mode 100644 index 0000000..96aac8d --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c @@ -0,0 +1,190 @@ +/* + * 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. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#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/in.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 *netdev_txt; + 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; + } + netdev_txt = argv[optind]; + + /* Parse arguments */ + netdev = find_netdev ( netdev_txt ); + if ( ! netdev ) { + printf ( "No such interface: %s\n", netdev_txt ); + return 1; + } + + /* Perform DHCP */ + if ( ( rc = dhcp ( netdev ) ) != 0 ) { + printf ( "Could not configure %s: %s\n", netdev->name, + strerror ( rc ) ); + return 1; + } + + return 0; +} + +/** + * "pxebs" command syntax message + * + * @v argv Argument list + */ +static void pxebs_syntax ( char **argv ) { + printf ( "Usage:\n" + " %s <interface> <server_type>\n" + "\n" + "Perform PXE Boot Server discovery\n", + argv[0] ); +} + +/** + * The "pxebs" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Exit code + */ +static int pxebs_exec ( int argc, char **argv ) { + static struct option longopts[] = { + { "help", 0, NULL, 'h' }, + { NULL, 0, NULL, 0 }, + }; + const char *netdev_txt; + const char *pxe_type_txt; + struct net_device *netdev; + unsigned int pxe_type; + char *end; + 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 */ + pxebs_syntax ( argv ); + return 1; + } + } + if ( optind != ( argc - 2 ) ) { + pxebs_syntax ( argv ); + return 1; + } + netdev_txt = argv[optind]; + pxe_type_txt = argv[ optind + 1 ]; + + /* Parse arguments */ + netdev = find_netdev ( netdev_txt ); + if ( ! netdev ) { + printf ( "No such interface: %s\n", netdev_txt ); + return 1; + } + pxe_type = strtoul ( pxe_type_txt, &end, 0 ); + if ( *end ) { + printf ( "Bad server type: %s\n", pxe_type_txt ); + return 1; + } + + /* Perform Boot Server Discovery */ + if ( ( rc = pxebs ( netdev, pxe_type ) ) != 0 ) { + printf ( "Could not discover boot server on %s: %s\n", + netdev->name, strerror ( rc ) ); + return 1; + } + + return 0; +} + +/** DHCP management commands */ +struct command dhcp_commands[] __command = { + { + .name = "dhcp", + .exec = dhcp_exec, + }, + { + .name = "pxebs", + .exec = pxebs_exec, + }, +}; |