Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 249 insertions, 0 deletions

diff --git a/epan/dissectors/packet-egd.c b/epan/dissectors/packet-egd.c
new file mode 100644
index 0000000..7aed5d7
--- /dev/null
+++ b/epan/dissectors/packet-egd.c
@@ -0,0 +1,249 @@
+/* packet-egd.c
+ * Routines for Ethernet Global Data dissection
+ * EGD Home: www.gefanuc.com
+ *
+ * Copyright 2008
+ * 29 July 2008 -- ryan wamsley
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+#define EGD_PORT 18246 /* 0x4746 "GF" for GE Fanuc - Not IANA registered */
+/* The above port is used for data packets. UDP port 7937 (also not registered)
+ * is used for configuration commands, but this dissector doesn't support them.
+ */
+
+#define EGD_ST_NONEW        0
+#define EGD_ST_NOERROR      1
+#define EGD_ST_CONSUMED     2
+#define EGD_ST_SNTPERR      3
+#define EGD_ST_SPECERR      4
+#define EGD_ST_REFRESHERR   6
+#define EGD_ST_REFEXDERR    7
+#define EGD_ST_IPERR        10
+#define EGD_ST_RESOURSEERR  12
+#define EGD_ST_NAMERES      16
+#define EGD_ST_ETHERR       18
+#define EGD_ST_NOSUPPORT    22
+#define EGD_ST_NORESP       26
+#define EGD_ST_CREATEERR    28
+#define EGD_ST_DELETED      30
+
+
+void proto_register_egd(void);
+void proto_reg_handoff_egd(void);
+
+static dissector_handle_t egd_handle;
+
+/* Translate status to string */
+static const value_string egd_stat_vals[] = {
+  { EGD_ST_NONEW,                  "No new status event has occurred" },
+  { EGD_ST_NOERROR,                "No error currently exists" },
+  { EGD_ST_CONSUMED,               "No error, data consumed" },
+  { EGD_ST_SNTPERR,                "SNTP error"  },
+  { EGD_ST_SPECERR,                "Specification error" },
+  { EGD_ST_REFRESHERR,             "Data refresh error" },
+  { EGD_ST_REFEXDERR,              "Data refresh period exceeded" },
+  { EGD_ST_IPERR,                  "IP Layer not currently initialized" },
+  { EGD_ST_RESOURSEERR,            "Lack of resource error" },
+  { EGD_ST_NAMERES,                "Name Resolution in progress" },
+  { EGD_ST_ETHERR,                 "Loss of Ethernet Interface error" },
+  { EGD_ST_NOSUPPORT,              "Ethernet Interface does not support EGD" },
+  { EGD_ST_NORESP,                 "No Response from Ethernet Interface" },
+  { EGD_ST_CREATEERR,              "Failed to create an exchange." },
+  { EGD_ST_DELETED,                "Configured exchange deleted." },
+  { 0,                             NULL }
+};
+
+static int proto_egd = -1;
+
+static int hf_egd_ver = -1;
+static int hf_egd_type = -1;
+static int hf_egd_rid = -1;
+static int hf_egd_pid = -1;
+static int hf_egd_exid = -1;
+static int hf_egd_time = -1;
+static int hf_egd_notime = -1;
+static int hf_egd_stat = -1;
+static int hf_egd_csig = -1;
+static int hf_egd_resv = -1;
+
+static gint ett_egd = -1;
+static gint ett_status_item = -1;
+
+static int dissect_egd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+  /* EGD Data messages are PDU type 13 (0x0d) and version 1.
+   * All other PDU types are Control messages, which are sent to a different
+   * port, each have a different format, and not handled by this dissector.
+   */
+  if (tvb_get_ntohs(tvb, 0) != 0x0d01) {
+    return 0;
+  }
+
+  /* replace UDP with EGD in display */
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, "EGD");
+
+  /* Clear out stuff in the info column */
+  col_clear(pinfo->cinfo, COL_INFO);
+  col_add_fstr(pinfo->cinfo, COL_INFO, "Data Msg: ExchangeID=0x%08X, RequestID=%05u",
+                 tvb_get_letohl(tvb, 8), tvb_get_letohs(tvb, 2));
+
+  if (tree)
+  {
+    proto_item *ti = NULL;
+    proto_item *notime = NULL;
+    proto_tree *egd_tree = NULL;
+    tvbuff_t *next_tvb = NULL;
+    gint offset, data_length;
+    guint32 sectime;
+
+    offset = 0;
+
+    ti = proto_tree_add_item(tree, proto_egd, tvb, 0, -1, ENC_NA);
+    egd_tree = proto_item_add_subtree(ti, ett_egd);
+    proto_tree_add_item(egd_tree, hf_egd_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+    offset++;
+    proto_tree_add_item(egd_tree, hf_egd_ver, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+    offset++;
+    proto_tree_add_item(egd_tree, hf_egd_rid, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+    offset += 2;
+    proto_tree_add_item(egd_tree, hf_egd_pid, tvb, offset, 4, ENC_BIG_ENDIAN);
+    offset += 4;
+    proto_tree_add_item(egd_tree, hf_egd_exid, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+    offset += 4;
+
+    /* time */
+    sectime = tvb_get_letohl(tvb, offset);
+    if (0 == sectime)
+    {
+      notime = proto_tree_add_item(egd_tree, hf_egd_notime, tvb, offset, 8, ENC_LITTLE_ENDIAN);
+      proto_item_append_text(notime, "--No TimeStamp");
+    }
+    else
+    {
+      proto_tree_add_item(egd_tree, hf_egd_time, tvb, offset, 8, ENC_LITTLE_ENDIAN);
+    }
+    offset += 8;
+
+    proto_tree_add_item(egd_tree, hf_egd_stat, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+    offset += 4;
+    proto_tree_add_item(egd_tree, hf_egd_csig, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+    offset += 4;
+    proto_tree_add_item(egd_tree, hf_egd_resv, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+    offset += 4;
+
+    data_length = tvb_reported_length_remaining(tvb, offset);
+    if (data_length > 0)
+    {
+      next_tvb = tvb_new_subset_remaining(tvb, offset);
+      call_data_dissector(next_tvb, pinfo, egd_tree);
+    }
+  }
+  return tvb_captured_length(tvb);
+}
+
+void proto_register_egd(void)
+{
+  static hf_register_info hf[] =
+    {
+      { &hf_egd_ver,
+        { "Version", "egd.ver",
+          FT_UINT8, BASE_DEC,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_type,
+        { "Type", "egd.type",
+          FT_UINT8, BASE_DEC,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_rid,
+        { "RequestID", "egd.rid",
+          FT_UINT16, BASE_DEC,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_pid,
+        { "ProducerID", "egd.pid",
+          FT_IPv4, BASE_NONE,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_exid,
+        { "ExchangeID", "egd.exid",
+          FT_UINT32, BASE_HEX,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_time,
+        { "Timestamp", "egd.time",
+          FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_notime,
+        { "Timestamp", "egd.notime",
+          FT_UINT64, BASE_HEX,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_stat,
+        { "Status", "egd.stat",
+          FT_UINT32, BASE_DEC,
+          VALS(egd_stat_vals), 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_csig,
+        { "ConfigSignature", "egd.csig",
+          FT_UINT32, BASE_DEC,
+          NULL, 0x0,
+          NULL, HFILL }
+      },
+      { &hf_egd_resv,
+        { "Reserved", "egd.rsrv",
+          FT_UINT32, BASE_DEC,
+          NULL, 0x0,
+          NULL, HFILL }
+      }
+    };
+
+  static gint *ett[] =
+    {
+      &ett_egd,
+      &ett_status_item
+    };
+
+  proto_egd = proto_register_protocol ("Ethernet Global Data", "EGD", "egd");
+  proto_register_field_array(proto_egd, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+
+  egd_handle = register_dissector("egd", dissect_egd, proto_egd);
+}
+
+void proto_reg_handoff_egd(void)
+{
+  dissector_add_uint_with_preference("udp.port", EGD_PORT, egd_handle);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * 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:
+ */