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-rw-r--r--contrib/syslinux-4.02/gpxe/src/hci/commands/dhcp_cmd.c190
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,
+ },
+};