1 files changed, 218 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/m3ap/packet-m3ap-template.c b/epan/dissectors/asn1/m3ap/packet-m3ap-template.c
new file mode 100644
index 0000000000..98cceefbc3
--- /dev/null
+++ b/epan/dissectors/asn1/m3ap/packet-m3ap-template.c
@@ -0,0 +1,218 @@
+/* packet-m3ap.c
+ * Routines for M3 Application Protocol packet dissection
+ *
+ * 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.
+ *
+ * Reference: 3GPP TS 36.444 v11.0.0
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+#include <epan/strutil.h>
+#include <epan/asn1.h>
+#include <epan/sctpppids.h>
+#include <epan/expert.h>
+
+#include "packet-ber.h"
+#include "packet-per.h"
+#include "packet-e212.h"
+#include "packet-gtpv2.h"
+#include "packet-ntp.h"
+
+#define PNAME  "M3 Application Protocol"
+#define PSNAME "M3AP"
+#define PFNAME "m3ap"
+
+void proto_register_m3ap(void);
+void proto_reg_handoff_m3ap(void);
+
+/* M3AP uses port 36444 as recommended by IANA. */
+#define M3AP_PORT 36444
+static dissector_handle_t m3ap_handle=NULL;
+
+#include "packet-m3ap-val.h"
+
+/* Initialize the protocol and registered fields */
+static int proto_m3ap = -1;
+
+static int hf_m3ap_Absolute_Time_ofMBMS_Data_value = -1;
+static int hf_m3ap_IPAddress_v4 = -1;
+static int hf_m3ap_IPAddress_v6 = -1;
+
+#include "packet-m3ap-hf.c"
+
+/* Initialize the subtree pointers */
+static int ett_m3ap = -1;
+
+#include "packet-m3ap-ett.c"
+
+static expert_field ei_m3ap_invalid_ip_address_len = EI_INIT;
+
+enum{
+  INITIATING_MESSAGE,
+  SUCCESSFUL_OUTCOME,
+  UNSUCCESSFUL_OUTCOME
+};
+
+/* Global variables */
+static guint32 ProcedureCode;
+static guint32 ProtocolIE_ID;
+/*static guint32 ProtocolExtensionID; */
+static int global_m3ap_port = M3AP_PORT;
+static guint32 message_type;
+
+/* Dissector tables */
+static dissector_table_t m3ap_ies_dissector_table;
+static dissector_table_t m3ap_extension_dissector_table;
+static dissector_table_t m3ap_proc_imsg_dissector_table;
+static dissector_table_t m3ap_proc_sout_dissector_table;
+static dissector_table_t m3ap_proc_uout_dissector_table;
+
+static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
+static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
+static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
+static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
+static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
+
+#include "packet-m3ap-fn.c"
+
+static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  return (dissector_try_uint(m3ap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  return (dissector_try_uint(m3ap_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  return (dissector_try_uint(m3ap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  return (dissector_try_uint(m3ap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  return (dissector_try_uint(m3ap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
+}
+
+
+static int
+dissect_m3ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+  proto_item      *m3ap_item = NULL;
+  proto_tree      *m3ap_tree = NULL;
+
+  /* make entry in the Protocol column on summary display */
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
+
+  /* create the m3ap protocol tree */
+  if (tree) {
+    m3ap_item = proto_tree_add_item(tree, proto_m3ap, tvb, 0, -1, ENC_NA);
+    m3ap_tree = proto_item_add_subtree(m3ap_item, ett_m3ap);
+
+    dissect_M3AP_PDU_PDU(tvb, pinfo, m3ap_tree, NULL);
+  }
+  return tvb_captured_length(tvb);
+}
+/*--- proto_register_m3ap -------------------------------------------*/
+void proto_register_m3ap(void) {
+
+  /* List of fields */
+  static hf_register_info hf[] = {
+    { &hf_m3ap_Absolute_Time_ofMBMS_Data_value,
+      { "Absolute-Time-ofMBMS-Data-value", "m3ap.Absolute_Time_ofMBMS_Data_value",
+         FT_STRING, BASE_NONE, NULL, 0,
+         NULL, HFILL }
+    },
+    { &hf_m3ap_IPAddress_v4,
+      { "IPAddress", "m3ap.IPAddress_v4",
+         FT_IPv4, BASE_NONE, NULL, 0,
+         NULL, HFILL }
+    },
+    { &hf_m3ap_IPAddress_v6,
+      { "IPAddress", "m3ap.IPAddress_v6",
+         FT_IPv6, BASE_NONE, NULL, 0,
+         NULL, HFILL }
+    },
+
+#include "packet-m3ap-hfarr.c"
+  };
+
+  /* List of subtrees */
+  static gint *ett[] = {
+                  &ett_m3ap,
+#include "packet-m3ap-ettarr.c"
+  };
+
+  expert_module_t* expert_m3ap;
+
+  static ei_register_info ei[] = {
+     { &ei_m3ap_invalid_ip_address_len, { "m3ap.invalid_ip_address_len", PI_MALFORMED, PI_ERROR, "Invalid IP address length", EXPFILL }}
+  };
+
+  /* Register protocol */
+  proto_m3ap = proto_register_protocol(PNAME, PSNAME, PFNAME);
+  /* Register fields and subtrees */
+  proto_register_field_array(proto_m3ap, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+  expert_m3ap = expert_register_protocol(proto_m3ap);
+  expert_register_field_array(expert_m3ap, ei, array_length(ei));
+
+  /* Register dissector tables */
+  m3ap_ies_dissector_table = register_dissector_table("m3ap.ies", "M3AP-PROTOCOL-IES", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
+  m3ap_extension_dissector_table = register_dissector_table("m3ap.extension", "M3AP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
+  m3ap_proc_imsg_dissector_table = register_dissector_table("m3ap.proc.imsg", "M3AP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
+  m3ap_proc_sout_dissector_table = register_dissector_table("m3ap.proc.sout", "M3AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
+  m3ap_proc_uout_dissector_table = register_dissector_table("m3ap.proc.uout", "M3AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
+}
+
+
+/*--- proto_reg_handoff_m3ap ---------------------------------------*/
+void
+proto_reg_handoff_m3ap(void)
+{
+  static gboolean inited = FALSE;
+  static guint SctpPort;
+
+  if( !inited ) {
+    m3ap_handle = create_dissector_handle(dissect_m3ap, proto_m3ap);
+    dissector_add_uint("sctp.ppi", PROTO_3GPP_M3AP_PROTOCOL_ID, m3ap_handle);
+    inited = TRUE;
+#include "packet-m3ap-dis-tab.c"
+    dissector_add_uint("m3ap.extension", 17, create_dissector_handle(dissect_AllocationAndRetentionPriority_PDU, proto_m3ap));
+  }
+  else {
+    if (SctpPort != 0) {
+      dissector_delete_uint("sctp.port", SctpPort, m3ap_handle);
+    }
+  }
+
+  SctpPort = global_m3ap_port;
+  if (SctpPort != 0) {
+    dissector_add_uint("sctp.port", SctpPort, m3ap_handle);
+  }
+}