Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 355 insertions, 0 deletions

diff --git a/epan/dissectors/asn1/e1ap/packet-e1ap-template.c b/epan/dissectors/asn1/e1ap/packet-e1ap-template.c
new file mode 100644
index 00000000..f51884a2
--- /dev/null
+++ b/epan/dissectors/asn1/e1ap/packet-e1ap-template.c
@@ -0,0 +1,355 @@
+/* packet-e1ap.c
+ * Routines for E-UTRAN E1 Application Protocol (E1AP) packet dissection
+ * Copyright 2018-2023, Pascal Quantin <pascal@wireshark.org>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * References: 3GPP TS 37.483 V17.5.0 (2023-06)
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+#include <epan/asn1.h>
+#include <epan/sctpppids.h>
+#include <epan/proto_data.h>
+
+#include "packet-e1ap.h"
+#include "packet-per.h"
+#include "packet-e212.h"
+#include "packet-ntp.h"
+#include "packet-nr-rrc.h"
+#include "packet-tcp.h"
+
+#define PNAME  "E1 Application Protocol"
+#define PSNAME "E1AP"
+#define PFNAME "e1ap"
+
+#define SCTP_PORT_E1AP 38462
+
+void proto_register_e1ap(void);
+void proto_reg_handoff_e1ap(void);
+
+#include "packet-e1ap-val.h"
+
+/* Initialize the protocol and registered fields */
+static int proto_e1ap = -1;
+
+static int hf_e1ap_transportLayerAddressIPv4 = -1;
+static int hf_e1ap_transportLayerAddressIPv6 = -1;
+static int hf_e1ap_InterfacesToTrace_NG_C = -1;
+static int hf_e1ap_InterfacesToTrace_Xn_C = -1;
+static int hf_e1ap_InterfacesToTrace_Uu = -1;
+static int hf_e1ap_InterfacesToTrace_F1_C = -1;
+static int hf_e1ap_InterfacesToTrace_E1 = -1;
+static int hf_e1ap_InterfacesToTrace_Reserved = -1;
+static int hf_e1ap_MeasurementsToActivate_Reserved1 = -1;
+static int hf_e1ap_MeasurementsToActivate_M4 = -1;
+static int hf_e1ap_MeasurementsToActivate_Reserved2 = -1;
+static int hf_e1ap_MeasurementsToActivate_M6 = -1;
+static int hf_e1ap_MeasurementsToActivate_M7 = -1;
+static int hf_e1ap_ReportCharacteristics_TNLAvailableCapacityIndPeriodic = -1;
+static int hf_e1ap_ReportCharacteristics_HWCapacityIndPeriodic = -1;
+static int hf_e1ap_ReportCharacteristics_Reserved = -1;
+static int hf_e1ap_tcp_pdu_len = -1;
+#include "packet-e1ap-hf.c"
+
+/* Initialize the subtree pointers */
+static gint ett_e1ap = -1;
+static gint ett_e1ap_PLMN_Identity = -1;
+static gint ett_e1ap_TransportLayerAddress = -1;
+static gint ett_e1ap_InterfacesToTrace = -1;
+static gint ett_e1ap_MeasurementsToActivate = -1;
+static gint ett_e1ap_ReportCharacteristics = -1;
+static gint ett_e1ap_BurstArrivalTime = -1;
+#include "packet-e1ap-ett.c"
+
+enum{
+  INITIATING_MESSAGE,
+  SUCCESSFUL_OUTCOME,
+  UNSUCCESSFUL_OUTCOME
+};
+
+typedef struct {
+  guint32 message_type;
+  guint32 procedure_code;
+  guint32 protocol_ie_id;
+  const char *obj_id;
+  e212_number_type_t number_type;
+} e1ap_private_data_t;
+
+/* Global variables */
+static dissector_handle_t e1ap_handle;
+static dissector_handle_t e1ap_tcp_handle;
+
+/* Dissector tables */
+static dissector_table_t e1ap_ies_dissector_table;
+static dissector_table_t e1ap_extension_dissector_table;
+static dissector_table_t e1ap_proc_imsg_dissector_table;
+static dissector_table_t e1ap_proc_sout_dissector_table;
+static dissector_table_t e1ap_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 *);
+
+static const true_false_string e1ap_tfs_InterfacesToTrace = {
+  "Should be traced",
+  "Should not be traced"
+};
+
+static void
+e1ap_MaxPacketLossRate_fmt(gchar *s, guint32 v)
+{
+  snprintf(s, ITEM_LABEL_LENGTH, "%.1f%% (%u)", (float)v/10, v);
+}
+
+static void
+e1ap_PacketDelayBudget_uL_D1_Result_fmt(gchar *s, guint32 v)
+{
+  snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%u)", (float)v/2, v);
+}
+
+static void
+e1ap_ExtendedPacketDelayBudget_fmt(gchar *s, guint32 v)
+{
+  snprintf(s, ITEM_LABEL_LENGTH, "%.2fms (%u)", (float)v/100, v);
+}
+
+static e1ap_private_data_t*
+e1ap_get_private_data(packet_info *pinfo)
+{
+  e1ap_private_data_t *e1ap_data = (e1ap_private_data_t*)p_get_proto_data(pinfo->pool, pinfo, proto_e1ap, 0);
+  if (!e1ap_data) {
+    e1ap_data = wmem_new0(pinfo->pool, e1ap_private_data_t);
+    p_add_proto_data(pinfo->pool, pinfo, proto_e1ap, 0, e1ap_data);
+  }
+  return e1ap_data;
+}
+
+#include "packet-e1ap-fn.c"
+
+static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  e1ap_ctx_t e1ap_ctx;
+  e1ap_private_data_t *e1ap_data = e1ap_get_private_data(pinfo);
+
+  e1ap_ctx.message_type        = e1ap_data->message_type;
+  e1ap_ctx.ProcedureCode       = e1ap_data->procedure_code;
+  e1ap_ctx.ProtocolIE_ID       = e1ap_data->protocol_ie_id;
+
+  return (dissector_try_uint_new(e1ap_ies_dissector_table, e1ap_data->protocol_ie_id, tvb, pinfo, tree, FALSE, &e1ap_ctx)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  e1ap_ctx_t e1ap_ctx;
+  e1ap_private_data_t *e1ap_data = e1ap_get_private_data(pinfo);
+
+  e1ap_ctx.message_type        = e1ap_data->message_type;
+  e1ap_ctx.ProcedureCode       = e1ap_data->procedure_code;
+  e1ap_ctx.ProtocolIE_ID       = e1ap_data->protocol_ie_id;
+
+  return (dissector_try_uint_new(e1ap_extension_dissector_table, e1ap_data->protocol_ie_id, tvb, pinfo, tree, FALSE, &e1ap_ctx)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+  e1ap_private_data_t *e1ap_data = e1ap_get_private_data(pinfo);
+
+  return (dissector_try_uint_new(e1ap_proc_imsg_dissector_table, e1ap_data->procedure_code, tvb, pinfo, tree, FALSE, data)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+  e1ap_private_data_t *e1ap_data = e1ap_get_private_data(pinfo);
+
+  return (dissector_try_uint_new(e1ap_proc_sout_dissector_table, e1ap_data->procedure_code, tvb, pinfo, tree, FALSE, data)) ? tvb_captured_length(tvb) : 0;
+}
+
+static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+  e1ap_private_data_t *e1ap_data = e1ap_get_private_data(pinfo);
+
+  return (dissector_try_uint_new(e1ap_proc_uout_dissector_table, e1ap_data->procedure_code, tvb, pinfo, tree, FALSE, data)) ? tvb_captured_length(tvb) : 0;
+}
+
+
+static int
+dissect_e1ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+  proto_item *e1ap_item = NULL;
+  proto_tree *e1ap_tree = NULL;
+
+  /* make entry in the Protocol column on summary display */
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, "E1AP");
+  col_clear(pinfo->cinfo, COL_INFO);
+
+  /* create the e1ap protocol tree */
+  e1ap_item = proto_tree_add_item(tree, proto_e1ap, tvb, 0, -1, ENC_NA);
+  e1ap_tree = proto_item_add_subtree(e1ap_item, ett_e1ap);
+
+  dissect_E1AP_PDU_PDU(tvb, pinfo, e1ap_tree, NULL);
+  return tvb_captured_length(tvb);
+}
+
+static guint
+get_e1ap_tcp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb,
+                     int offset, void *data _U_)
+{
+  return tvb_get_ntohl(tvb, offset)+4;
+}
+
+static int
+dissect_e1ap_tcp_pdu(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data)
+{
+  tvbuff_t *new_tvb;
+
+  proto_tree_add_item(tree, hf_e1ap_tcp_pdu_len, tvb, 0, 4, ENC_NA);
+  new_tvb = tvb_new_subset_remaining(tvb, 4);
+
+  return dissect_e1ap(new_tvb, pinfo, tree, data);
+}
+
+static int
+dissect_e1ap_tcp(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data)
+{
+  tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4,
+                   get_e1ap_tcp_pdu_len, dissect_e1ap_tcp_pdu, data);
+  return tvb_captured_length(tvb);
+}
+
+void proto_register_e1ap(void) {
+
+  /* List of fields */
+
+  static hf_register_info hf[] = {
+    { &hf_e1ap_transportLayerAddressIPv4,
+      { "IPv4 transportLayerAddress", "e1ap.transportLayerAddressIPv4",
+        FT_IPv4, BASE_NONE, NULL, 0,
+        NULL, HFILL }},
+    { &hf_e1ap_transportLayerAddressIPv6,
+      { "IPv6 transportLayerAddress", "e1ap.transportLayerAddressIPv6",
+        FT_IPv6, BASE_NONE, NULL, 0,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_NG_C,
+      { "NG-C", "e1ap.InterfacesToTrace.NG_C",
+        FT_BOOLEAN, 8, TFS(&e1ap_tfs_InterfacesToTrace), 0x80,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_Xn_C,
+      { "Xn-C", "e1ap.InterfacesToTrace.Xn_C",
+        FT_BOOLEAN, 8, TFS(&e1ap_tfs_InterfacesToTrace), 0x40,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_Uu,
+      { "Uu", "e1ap.InterfacesToTrace.Uu",
+        FT_BOOLEAN, 8, TFS(&e1ap_tfs_InterfacesToTrace), 0x20,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_F1_C,
+      { "F1-C", "e1ap.InterfacesToTrace.F1_C",
+        FT_BOOLEAN, 8, TFS(&e1ap_tfs_InterfacesToTrace), 0x10,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_E1,
+      { "E1", "e1ap.InterfacesToTrace.E1",
+        FT_BOOLEAN, 8, TFS(&e1ap_tfs_InterfacesToTrace), 0x08,
+        NULL, HFILL }},
+    { &hf_e1ap_InterfacesToTrace_Reserved,
+      { "Reserved", "e1ap.InterfacesToTrace.Reserved",
+        FT_UINT8, BASE_HEX, NULL, 0x07,
+        NULL, HFILL }},
+    { &hf_e1ap_MeasurementsToActivate_Reserved1,
+      { "Reserved", "e1ap.MeasurementsToActivate.Reserved",
+        FT_UINT8, BASE_HEX, NULL, 0xe0,
+        NULL, HFILL }},
+    { &hf_e1ap_MeasurementsToActivate_M4,
+      { "M4", "e1ap.MeasurementsToActivate.M4",
+        FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x10,
+        NULL, HFILL }},
+    { &hf_e1ap_MeasurementsToActivate_Reserved2,
+      { "Reserved", "e1ap.MeasurementsToActivate.Reserved",
+        FT_UINT8, BASE_HEX, NULL, 0x0c,
+        NULL, HFILL }},
+    { &hf_e1ap_MeasurementsToActivate_M6,
+      { "M6", "e1ap.MeasurementsToActivate.M6",
+        FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x02,
+        NULL, HFILL }},
+    { &hf_e1ap_MeasurementsToActivate_M7,
+      { "M7", "e1ap.MeasurementsToActivate.M7",
+        FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x01,
+        NULL, HFILL }},
+    { &hf_e1ap_ReportCharacteristics_TNLAvailableCapacityIndPeriodic,
+      { "TNLAvailableCapacityIndPeriodic", "e1ap.ReportCharacteristics.TNLAvailableCapacityIndPeriodic",
+        FT_BOOLEAN, 40, TFS(&tfs_requested_not_requested), 0x8000000000,
+        NULL, HFILL }},
+    { &hf_e1ap_ReportCharacteristics_HWCapacityIndPeriodic,
+      { "HWCapacityIndPeriodic", "e1ap.ReportCharacteristics.HWCapacityIndPeriodic",
+        FT_BOOLEAN, 40, TFS(&tfs_requested_not_requested), 0x4000000000,
+        NULL, HFILL }},
+    { &hf_e1ap_ReportCharacteristics_Reserved,
+      { "Reserved", "e1ap.ReportCharacteristics.Reserved",
+        FT_UINT40, BASE_HEX, NULL, 0x3ffffffff0,
+        NULL, HFILL }},
+    { &hf_e1ap_tcp_pdu_len,
+      { "TCP PDU length", "e1ap.tcp_pdu_len",
+        FT_UINT32, BASE_DEC, NULL, 0x0,
+        NULL, HFILL }},
+#include "packet-e1ap-hfarr.c"
+  };
+
+  /* List of subtrees */
+  static gint *ett[] = {
+    &ett_e1ap,
+    &ett_e1ap_PLMN_Identity,
+    &ett_e1ap_TransportLayerAddress,
+    &ett_e1ap_InterfacesToTrace,
+    &ett_e1ap_MeasurementsToActivate,
+    &ett_e1ap_ReportCharacteristics,
+    &ett_e1ap_BurstArrivalTime,
+#include "packet-e1ap-ettarr.c"
+  };
+
+  /* Register protocol */
+  proto_e1ap = proto_register_protocol(PNAME, PSNAME, PFNAME);
+  /* Register fields and subtrees */
+  proto_register_field_array(proto_e1ap, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+
+  /* Register dissector */
+  e1ap_handle = register_dissector("e1ap", dissect_e1ap, proto_e1ap);
+  e1ap_tcp_handle = register_dissector("e1ap_tcp", dissect_e1ap_tcp, proto_e1ap);
+
+  /* Register dissector tables */
+  e1ap_ies_dissector_table = register_dissector_table("e1ap.ies", "E1AP-PROTOCOL-IES", proto_e1ap, FT_UINT32, BASE_DEC);
+  e1ap_extension_dissector_table = register_dissector_table("e1ap.extension", "E1AP-PROTOCOL-EXTENSION", proto_e1ap, FT_UINT32, BASE_DEC);
+  e1ap_proc_imsg_dissector_table = register_dissector_table("e1ap.proc.imsg", "E1AP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_e1ap, FT_UINT32, BASE_DEC);
+  e1ap_proc_sout_dissector_table = register_dissector_table("e1ap.proc.sout", "E1AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_e1ap, FT_UINT32, BASE_DEC);
+  e1ap_proc_uout_dissector_table = register_dissector_table("e1ap.proc.uout", "E1AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_e1ap, FT_UINT32, BASE_DEC);
+}
+
+void
+proto_reg_handoff_e1ap(void)
+{
+  dissector_add_uint_with_preference("sctp.port", SCTP_PORT_E1AP, e1ap_handle);
+  dissector_add_uint_with_preference("tcp.port", 0, e1ap_tcp_handle);
+  dissector_add_uint("sctp.ppi", E1AP_PROTOCOL_ID, e1ap_handle);
+#include "packet-e1ap-dis-tab.c"
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */