1 files changed, 151 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/t125/packet-t125-template.c b/epan/dissectors/asn1/t125/packet-t125-template.c
new file mode 100644
index 0000000000..b51c37e507
--- /dev/null
+++ b/epan/dissectors/asn1/t125/packet-t125-template.c
@@ -0,0 +1,151 @@
+/* packet-t125.c
+ * Routines for t125 packet dissection
+ * Copyright 2007, Ronnie Sahlberg
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/exceptions.h>
+
+#include <epan/asn1.h>
+#include "packet-ber.h"
+#include "packet-per.h"
+
+#include "packet-t124.h"
+
+#define PNAME  "MULTIPOINT-COMMUNICATION-SERVICE T.125"
+#define PSNAME "T.125"
+#define PFNAME "t125"
+
+void proto_register_t125(void);
+void proto_reg_handoff_t125(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_t125 = -1;
+static proto_tree *top_tree = NULL;
+#include "packet-t125-hf.c"
+
+/* Initialize the subtree pointers */
+static int ett_t125 = -1;
+
+#include "packet-t125-ett.c"
+
+static heur_dissector_list_t t125_heur_subdissector_list;
+
+#include "packet-t125-fn.c"
+
+static int
+dissect_t125(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
+{
+  proto_item *item = NULL;
+  proto_tree *tree = NULL;
+  gint8 ber_class;
+  gboolean pc;
+  gint32 tag;
+
+  top_tree = parent_tree;
+
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, "T.125");
+  col_clear(pinfo->cinfo, COL_INFO);
+
+  item = proto_tree_add_item(parent_tree, proto_t125, tvb, 0, tvb_captured_length(tvb), ENC_NA);
+  tree = proto_item_add_subtree(item, ett_t125);
+
+  get_ber_identifier(tvb, 0, &ber_class, &pc, &tag);
+
+  if ( (ber_class==BER_CLASS_APP) && (tag>=101) && (tag<=104) ){
+    dissect_ConnectMCSPDU_PDU(tvb, pinfo, tree, NULL);
+  } else  {
+    t124_set_top_tree(top_tree);
+    dissect_DomainMCSPDU_PDU(tvb, pinfo, tree);
+  }
+
+  return tvb_captured_length(tvb);
+}
+
+static gboolean
+dissect_t125_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
+{
+  gint8 ber_class;
+  gboolean pc;
+  gint32 tag;
+  volatile gboolean failed;
+
+  /*
+   * We must catch all the "ran past the end of the packet" exceptions
+   * here and, if we catch one, just return FALSE.  It's too painful
+   * to have a version of dissect_per_sequence() that checks all
+   * references to the tvbuff before making them and returning "no"
+   * if they would fail.
+   */
+  failed = FALSE;
+  TRY {
+    /* could be BER */
+    get_ber_identifier(tvb, 0, &ber_class, &pc, &tag);
+  } CATCH_BOUNDS_ERRORS {
+    failed = TRUE;
+  } ENDTRY;
+
+  /* is this strong enough ? */
+  if (!failed && ((ber_class==BER_CLASS_APP) && ((tag>=101) && (tag<=104)))) {
+    dissect_t125(tvb, pinfo, parent_tree, NULL);
+
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+
+/*--- proto_register_t125 -------------------------------------------*/
+void proto_register_t125(void) {
+
+  /* List of fields */
+  static hf_register_info hf[] = {
+#include "packet-t125-hfarr.c"
+  };
+
+  /* List of subtrees */
+  static gint *ett[] = {
+	  &ett_t125,
+#include "packet-t125-ettarr.c"
+  };
+
+  /* Register protocol */
+  proto_t125 = proto_register_protocol(PNAME, PSNAME, PFNAME);
+  /* Register fields and subtrees */
+  proto_register_field_array(proto_t125, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+
+  t125_heur_subdissector_list= register_heur_dissector_list("t125");
+
+  register_dissector("t125", dissect_t125, proto_t125);
+}
+
+
+/*--- proto_reg_handoff_t125 ---------------------------------------*/
+void proto_reg_handoff_t125(void) {
+
+  heur_dissector_add("cotp", dissect_t125_heur, "T.125 over COTP", "t125_cotp", proto_t125, HEURISTIC_ENABLE);
+  heur_dissector_add("cotp_is", dissect_t125_heur, "T.125 over COTP (inactive subset)", "t125_cotp_is", proto_t125, HEURISTIC_ENABLE);
+}