Jaap Keuter:

        Add MS NLB buildin dissector

svn path=/trunk/; revision=16875

1 files changed, 180 insertions, 0 deletions

diff --git a/epan/dissectors/packet-msnlb.c b/epan/dissectors/packet-msnlb.c
new file mode 100644
index 0000000000..64eae402a0
--- /dev/null
+++ b/epan/dissectors/packet-msnlb.c
@@ -0,0 +1,180 @@
+/* packet-msnlb.c
+ * Routines for MS NLB dissection
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * 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
+
+#include <gmodule.h>
+#include <epan/packet.h>
+#include <epan/proto.h>
+#include <epan/etypes.h>
+#include "packet-smb-common.h"
+
+/* Initialize the protocol and registered fields */
+static int proto_msnlb = -1;
+
+static int hf_msnlb_unknown = -1;
+static int hf_msnlb_cls_virt_ip = -1;
+static int hf_msnlb_host_ip = -1;
+static int hf_msnlb_host_name = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_msnlb = -1;
+
+/* Code to actually dissect the packets */
+static void
+dissect_msnlb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+  proto_item  *ti;
+  proto_tree  *msnlb_tree;
+  guint16     offset = 0;
+
+  guint8 type = 0; /* Blatent assumption of name and size */
+
+  if (check_col(pinfo->cinfo, COL_PROTOCOL))
+    col_set_str(pinfo->cinfo, COL_PROTOCOL, "MS NLB");
+
+  if (check_col(pinfo->cinfo, COL_INFO)) {
+    col_clear(pinfo->cinfo, COL_INFO);
+    col_append_fstr(pinfo->cinfo, COL_INFO, "MS NLB heartbeat");
+  }
+
+  if (tree) {
+    ti = proto_tree_add_item(tree, proto_msnlb, tvb, 0, -1, FALSE);
+    msnlb_tree = proto_item_add_subtree(ti, ett_msnlb);
+
+    type = tvb_get_guint8(tvb, offset);
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_cls_virt_ip, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_host_ip, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+    offset += 4;
+
+    switch (type) {
+      case 0xc0:
+        offset = display_unicode_string(tvb, msnlb_tree, offset, hf_msnlb_host_name, NULL);
+        break;
+
+      case 0xbf:
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, 4, FALSE);
+        offset += 4;
+
+      default:
+        proto_tree_add_item(msnlb_tree, hf_msnlb_unknown, tvb, offset, tvb_length_remaining(tvb, offset), FALSE);
+        offset += 4;
+    }
+  }
+}
+
+void
+proto_register_msnlb(void)
+{
+  static hf_register_info hf[] = {
+    { &hf_msnlb_unknown,
+      { "Unknown", "msnlb.unknown",
+        FT_BYTES, BASE_HEX,
+        NULL, 0,
+        "", HFILL }
+    },
+    { &hf_msnlb_host_ip,
+      { "Host IP", "msnlb.host_ip",
+        FT_IPv4, BASE_HEX,
+        NULL, 0,
+        "Host IP address", HFILL }
+    },
+    { &hf_msnlb_cls_virt_ip,
+      { "Cluster Virtual IP", "msnlb.cluster_virtual_ip",
+        FT_IPv4, BASE_HEX,
+        NULL, 0,
+        "Cluster Virtual IP address", HFILL }
+    },
+    { &hf_msnlb_host_name,
+      { "Host name", "msnlb.host_name",
+        FT_STRING, BASE_NONE,
+        NULL, 0,
+        "Host name", HFILL }
+    }
+  };
+
+  static gint *ett[] = {
+    &ett_msnlb
+  };
+
+  proto_msnlb = proto_register_protocol("MS Network Load Balancing", "MS NLB", "msnlb");
+  proto_register_field_array(proto_msnlb, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_msnlb(void)
+{
+  dissector_handle_t msnlb_handle;
+
+  msnlb_handle = create_dissector_handle(dissect_msnlb, proto_msnlb);
+  dissector_add("ethertype", ETHERTYPE_MS_NLB_HEARTBEAT, msnlb_handle);
+}