Added a LAPBETHER dissector as per Guy's wishes ... :-)

Damn, took more than half an hour :-(

svn path=/trunk/; revision=2796

1 files changed, 108 insertions, 0 deletions

diff --git a/packet-lapbether.c b/packet-lapbether.c
new file mode 100644
index 0000000000..a97b1904eb
--- /dev/null
+++ b/packet-lapbether.c
@@ -0,0 +1,108 @@
+/* packet-lapb.c
+ * Routines for lapbether frame disassembly
+ * Richard Sharpe <rsharpe@ns.aus.com> based on the lapb module by
+ * Olivier Abad <oabad@cybercable.fr>
+ *
+ * $Id: packet-lapbether.c,v 1.1 2000/12/29 01:06:24 sharpe Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@zing.org>
+ * Copyright 1998
+ *
+ * 
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <stdio.h>
+#include <glib.h>
+#include <string.h>
+#include "packet.h"
+#include "packet-lapb.h"
+#include "packet-x25.h"
+#include "xdlc.h"
+#include "etypes.h"
+
+static int proto_lapbether = -1;
+
+static int hf_lapbether_length = -1;
+
+static gint ett_lapbether = -1;
+
+void
+dissect_lapbether(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+    proto_tree		*lapbether_tree, *ti;
+    int			len;
+    tvbuff_t		*next_tvb;
+
+    CHECK_DISPLAY_AS_DATA(proto_lapbether, tvb, pinfo, tree);
+
+    pinfo->current_proto = "LAPBETHER";
+
+    if (check_col(pinfo->fd, COL_PROTOCOL))
+	col_set_str(pinfo->fd, COL_PROTOCOL, "LAPBETHER");
+
+    len = tvb_get_guint8(tvb, 0) + tvb_get_guint8(tvb, 1) * 256;
+
+    if (tree) {
+
+      ti = proto_tree_add_protocol_format(tree, proto_lapbether, tvb, 0, 2, 
+					  "LAPBETHER");
+
+      lapbether_tree = proto_item_add_subtree(ti, ett_lapbether);
+      proto_tree_add_uint_format(lapbether_tree, hf_lapbether_length, tvb, 0, 2, 
+				 len, "Length: %u", len);
+
+    }
+
+    next_tvb = tvb_new_subset(tvb, 2, len, len);
+    dissect_lapb(next_tvb, pinfo, tree);
+
+}
+
+void
+proto_register_lapbether(void)
+{
+    static hf_register_info hf[] = {
+      { &hf_lapbether_length,
+	{ "Length Field", "lapbether.length", FT_UINT16, BASE_DEC, NULL, 0x0, 
+	  "LAPBEther Length Field"}},
+
+    };
+    static gint *ett[] = {
+        &ett_lapbether,
+    };
+
+    proto_lapbether = proto_register_protocol ("Link Access Procedure Balanced Ethernet (LAPBETHER)", "lapbether");
+    proto_register_field_array (proto_lapbether, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+}
+
+/* The registration hand-off routine */
+void
+proto_reg_handoff_lapbether(void)
+{
+
+  dissector_add("ethertype", ETHERTYPE_DEC, dissect_lapbether);
+
+}