imported original firmware WRT54GL_v4.30.11_11_US

1 files changed, 150 insertions, 0 deletions

diff --git a/release/src/router/busybox/networking/vconfig.c b/release/src/router/busybox/networking/vconfig.c
new file mode 100644
index 00000000..d58c375f
--- /dev/null
+++ b/release/src/router/busybox/networking/vconfig.c
@@ -0,0 +1,150 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * vconfig implementation for busybox
+ *
+ * Copyright (C) 2001  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * 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
+ * (at your option) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* BB_AUDIT SUSv3 N/A */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <linux/if_vlan.h>
+#include <string.h>
+#include <limits.h>
+#include "busybox.h"
+
+#define VLAN_GROUP_ARRAY_LEN 4096
+#define SIOCSIFVLAN	0x8983		/* Set 802.1Q VLAN options 	*/
+
+/* On entry, table points to the length of the current string plus
+ * nul terminator plus data length for the subsequent entry.  The
+ * return value is the last data entry for the matching string. */
+static const char *xfind_str(const char *table, const char *str)
+{
+	while (strcasecmp(str, table+1) != 0) {
+		if (!*(table += table[0])) {
+			bb_show_usage();
+		}
+	}
+	return table - 1;
+}
+
+static const char cmds[] = {
+	4, ADD_VLAN_CMD, 7,
+	'a', 'd', 'd', 0,
+	3, DEL_VLAN_CMD, 7,
+	'r', 'e', 'm', 0,
+	3, SET_VLAN_NAME_TYPE_CMD, 17,
+	's', 'e', 't', '_',
+	'n', 'a', 'm', 'e', '_',
+	't', 'y', 'p', 'e', 0,
+	4, SET_VLAN_FLAG_CMD, 12,
+	's', 'e', 't', '_',
+	'f', 'l', 'a', 'g', 0,
+	5, SET_VLAN_EGRESS_PRIORITY_CMD, 18,
+	's', 'e', 't', '_',
+	'e', 'g', 'r', 'e', 's', 's', '_',
+	'm', 'a', 'p', 0,
+	5, SET_VLAN_INGRESS_PRIORITY_CMD, 16,
+	's', 'e', 't', '_',
+	'i', 'n', 'g', 'r', 'e', 's', 's', '_',
+	'm', 'a', 'p', 0,
+};
+
+static const char name_types[] = {
+	VLAN_NAME_TYPE_PLUS_VID, 16,
+	'V', 'L', 'A', 'N',
+	'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
+	0,
+	VLAN_NAME_TYPE_PLUS_VID_NO_PAD, 22,
+	'V', 'L', 'A', 'N', 
+	'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
+	'_', 'N', 'O', '_', 'P', 'A', 'D', 0,
+	VLAN_NAME_TYPE_RAW_PLUS_VID, 15,
+	'D', 'E', 'V',
+	'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
+	0,
+	VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, 20,
+	'D', 'E', 'V',
+	'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
+	'_', 'N', 'O', '_', 'P', 'A', 'D', 0,
+};
+
+static const char conf_file_name[] = "/proc/net/vlan/config";
+
+int vconfig_main(int argc, char **argv)
+{
+	struct vlan_ioctl_args ifr;
+	const char *p;
+	int fd;
+
+	if (argc < 3) {
+		bb_show_usage();
+	}
+
+	/* Don't bother closing the filedes.  It will be closed on cleanup. */
+	if (open(conf_file_name, O_RDONLY) < 0) { /* Is 802.1q is present? */
+	    bb_perror_msg_and_die("open %s", conf_file_name);
+	}
+
+	memset(&ifr, 0, sizeof(struct vlan_ioctl_args));
+
+	++argv;
+	p = xfind_str(cmds+2, *argv);
+	ifr.cmd = *p;
+	if (argc != p[-1]) {
+		bb_show_usage();
+	}
+
+	if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) { /* set_name_type */
+		ifr.u.name_type = *xfind_str(name_types+1, argv[1]);
+	} else {
+		if (strlen(argv[1]) >= IF_NAMESIZE) {
+			bb_error_msg_and_die("if_name >= %d chars\n", IF_NAMESIZE);
+		}
+		strcpy(ifr.device1, argv[1]);
+		p = argv[2];
+
+		/* I suppose one could try to combine some of the function calls below,
+		 * since ifr.u.flag, ifr.u.VID, and ifr.u.skb_priority are all same-sized
+		 * (unsigned) int members of a unions.  But because of the range checking,
+		 * doing so wouldn't save that much space and would also make maintainence
+		 * more of a pain. */
+		if (ifr.cmd == SET_VLAN_FLAG_CMD) { /* set_flag */
+			ifr.u.flag = bb_xgetularg10_bnd(p, 0, 1);
+		} else if (ifr.cmd == ADD_VLAN_CMD) { /* add */
+			ifr.u.VID = bb_xgetularg10_bnd(p, 0, VLAN_GROUP_ARRAY_LEN-1);
+		} else if (ifr.cmd != DEL_VLAN_CMD) { /* set_{egress|ingress}_map */
+			ifr.u.skb_priority = bb_xgetularg10_bnd(p, 0, ULONG_MAX);
+			ifr.vlan_qos = bb_xgetularg10_bnd(argv[3], 0, 7);
+		}
+	}
+
+	if (((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		|| (ioctl(fd, SIOCSIFVLAN, &ifr) < 0)
+		) {
+		bb_perror_msg_and_die("socket or ioctl error for %s", *argv);
+	}
+
+	return 0;
+}
+