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-rw-r--r--epan/dissectors/packet-calcappprotocol.c429
1 files changed, 429 insertions, 0 deletions
diff --git a/epan/dissectors/packet-calcappprotocol.c b/epan/dissectors/packet-calcappprotocol.c
new file mode 100644
index 00000000..5b4072db
--- /dev/null
+++ b/epan/dissectors/packet-calcappprotocol.c
@@ -0,0 +1,429 @@
+/* packet-calcappprotocol.c
+ * Routines for the Calculation Application Protocol, a test application of the
+ * RSPLIB RSerPool implementation
+ * https://www.uni-due.de/~be0001/rserpool/
+ *
+ * Copyright 2006-2021 by Thomas Dreibholz <dreibh [AT] iem.uni-due.de>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from README.developer
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/sctpppids.h>
+#include <epan/stat_tap_ui.h>
+
+void proto_register_calcappprotocol(void);
+void proto_reg_handoff_calcappprotocol(void);
+
+static dissector_handle_t calcappprotocol_handle;
+
+#define CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097603
+
+
+/* Initialize the protocol and registered fields */
+static int proto_calcappprotocol = -1;
+static int tap_calcappprotocol = -1;
+static int hf_message_type = -1;
+static int hf_message_flags = -1;
+static int hf_message_length = -1;
+static int hf_message_jobid = -1;
+static int hf_message_jobsize = -1;
+static int hf_message_completed = -1;
+
+static guint64 calcappprotocol_total_msgs = 0;
+static guint64 calcappprotocol_total_bytes = 0;
+
+/* Initialize the subtree pointers */
+static gint ett_calcappprotocol = -1;
+
+/* Dissectors for messages. This is specific to CalcAppProtocol */
+#define MESSAGE_TYPE_LENGTH 1
+#define MESSAGE_FLAGS_LENGTH 1
+#define MESSAGE_LENGTH_LENGTH 2
+#define MESSAGE_JOBID_LENGTH 4
+#define MESSAGE_JOBSIZE_LENGTH 8
+#define MESSAGE_COMPLETED_LENGTH 8
+
+#define MESSAGE_TYPE_OFFSET 0
+#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
+#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
+#define MESSAGE_JOBID_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
+#define MESSAGE_JOBSIZE_OFFSET (MESSAGE_JOBID_OFFSET + MESSAGE_JOBID_OFFSET)
+#define MESSAGE_COMPLETED_OFFSET (MESSAGE_JOBSIZE_OFFSET + MESSAGE_JOBSIZE_OFFSET)
+
+
+#define CALCAPP_REQUEST_MESSAGE_TYPE 1
+#define CALCAPP_ACCEPT_MESSAGE_TYPE 2
+#define CALCAPP_REJECT_MESSAGE_TYPE 3
+#define CALCAPP_ABORT_MESSAGE_TYPE 4
+#define CALCAPP_COMPLETE_MESSAGE_TYPE 5
+#define CALCAPP_KEEPALIVE_MESSAGE_TYPE 6
+#define CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE 7
+
+
+static const value_string message_type_values[] = {
+ { CALCAPP_REQUEST_MESSAGE_TYPE, "CalcApp Request" },
+ { CALCAPP_ACCEPT_MESSAGE_TYPE, "CalcApp Accept" },
+ { CALCAPP_REJECT_MESSAGE_TYPE, "CalcApp Reject" },
+ { CALCAPP_ABORT_MESSAGE_TYPE, "CalcApp Abort" },
+ { CALCAPP_COMPLETE_MESSAGE_TYPE, "CalcApp Complete" },
+ { CALCAPP_KEEPALIVE_MESSAGE_TYPE, "CalcApp Keep-Alive" },
+ { CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE, "CalcApp Keep-Alive Ack" },
+ { 0, NULL }
+};
+
+
+typedef struct _tap_calcappprotocol_rec_t {
+ guint8 type;
+ guint16 size;
+ const char* type_string;
+} tap_calcappprotocol_rec_t;
+
+
+static void
+dissect_calcappprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *calcappprotocol_tree)
+{
+ tap_calcappprotocol_rec_t* tap_rec = wmem_new0(pinfo->pool, tap_calcappprotocol_rec_t);
+ tap_rec->type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
+ tap_rec->size = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET);
+ tap_rec->type_string = val_to_str_const(tap_rec->type, message_type_values, "Unknown CalcAppProtocol message type");
+ tap_queue_packet(tap_calcappprotocol, pinfo, tap_rec);
+
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", tap_rec->type_string);
+
+ proto_tree_add_item(calcappprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(calcappprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(calcappprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(calcappprotocol_tree, hf_message_jobid, message_tvb, MESSAGE_JOBID_OFFSET, MESSAGE_JOBID_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(calcappprotocol_tree, hf_message_jobsize, message_tvb, MESSAGE_JOBSIZE_OFFSET, MESSAGE_JOBSIZE_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(calcappprotocol_tree, hf_message_completed, message_tvb, MESSAGE_COMPLETED_OFFSET, MESSAGE_COMPLETED_LENGTH, ENC_BIG_ENDIAN);
+}
+
+
+static int
+dissect_calcappprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ proto_item *calcappprotocol_item;
+ proto_tree *calcappprotocol_tree;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "CalcAppProtocol");
+
+ /* In the interest of speed, if "tree" is NULL, don't do any work not
+ necessary to generate protocol tree items. */
+ if (tree) {
+ /* create the calcappprotocol protocol tree */
+ calcappprotocol_item = proto_tree_add_item(tree, proto_calcappprotocol, message_tvb, 0, -1, ENC_NA);
+ calcappprotocol_tree = proto_item_add_subtree(calcappprotocol_item, ett_calcappprotocol);
+ } else {
+ calcappprotocol_tree = NULL;
+ };
+ /* dissect the message */
+ dissect_calcappprotocol_message(message_tvb, pinfo, calcappprotocol_tree);
+ return(TRUE);
+}
+
+
+/* TAP STAT INFO */
+typedef enum
+{
+ MESSAGE_TYPE_COLUMN = 0,
+ MESSAGES_COLUMN,
+ MESSAGES_SHARE_COLUMN,
+ BYTES_COLUMN,
+ BYTES_SHARE_COLUMN,
+ FIRST_SEEN_COLUMN,
+ LAST_SEEN_COLUMN,
+ INTERVAL_COLUMN,
+ MESSAGE_RATE_COLUMN,
+ BYTE_RATE_COLUMN
+} calcappprotocol_stat_columns;
+
+static stat_tap_table_item calcappprotocol_stat_fields[] = {
+ { TABLE_ITEM_STRING, TAP_ALIGN_LEFT, "CalcAppProtocol Message Type", "%-25s" },
+ { TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Messages ", "%u" },
+ { TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Messages Share (%)" , "%1.3f %%" },
+ { TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Bytes (B)", "%u" },
+ { TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Bytes Share (%) ", "%1.3f %%" },
+ { TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "First Seen (s)", "%1.6f" },
+ { TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Last Seen (s)", "%1.6f" },
+ { TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Interval (s)", "%1.6f" },
+ { TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Message Rate (Msg/s)", "%1.2f" },
+ { TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Byte Rate (B/s)", "%1.2f" }
+};
+
+static void calcappprotocol_stat_init(stat_tap_table_ui* new_stat)
+{
+ const char *table_name = "CalcAppProtocol Statistics";
+ int num_fields = sizeof(calcappprotocol_stat_fields)/sizeof(stat_tap_table_item);
+ stat_tap_table *table;
+ int i = 0;
+ stat_tap_table_item_type items[sizeof(calcappprotocol_stat_fields)/sizeof(stat_tap_table_item)];
+
+ table = stat_tap_find_table(new_stat, table_name);
+ if (table) {
+ if (new_stat->stat_tap_reset_table_cb) {
+ new_stat->stat_tap_reset_table_cb(table);
+ }
+ return;
+ }
+
+ table = stat_tap_init_table(table_name, num_fields, 0, NULL);
+ stat_tap_add_table(new_stat, table);
+
+ memset(items, 0x0, sizeof(items));
+ /* Add a row for each value type */
+ while (message_type_values[i].strptr) {
+ items[MESSAGE_TYPE_COLUMN].type = TABLE_ITEM_STRING;
+ items[MESSAGE_TYPE_COLUMN].value.string_value = message_type_values[i].strptr;
+ items[MESSAGES_COLUMN].type = TABLE_ITEM_UINT;
+ items[MESSAGES_COLUMN].value.uint_value = 0;
+ items[MESSAGES_SHARE_COLUMN].type = TABLE_ITEM_NONE;
+ items[MESSAGES_SHARE_COLUMN].value.float_value = -1.0;
+ items[BYTES_COLUMN].type = TABLE_ITEM_UINT;
+ items[BYTES_COLUMN].value.uint_value = 0;
+ items[BYTES_SHARE_COLUMN].type = TABLE_ITEM_NONE;
+ items[BYTES_SHARE_COLUMN].value.float_value = -1.0;
+ items[FIRST_SEEN_COLUMN].type = TABLE_ITEM_NONE;
+ items[FIRST_SEEN_COLUMN].value.float_value = DBL_MAX;
+ items[LAST_SEEN_COLUMN].type = TABLE_ITEM_NONE;
+ items[LAST_SEEN_COLUMN].value.float_value = DBL_MIN;
+ items[INTERVAL_COLUMN].type = TABLE_ITEM_NONE;
+ items[INTERVAL_COLUMN].value.float_value = -1.0;
+ items[MESSAGE_RATE_COLUMN].type = TABLE_ITEM_NONE;
+ items[MESSAGE_RATE_COLUMN].value.float_value = -1.0;
+ items[BYTE_RATE_COLUMN].type = TABLE_ITEM_NONE;
+ items[BYTE_RATE_COLUMN].value.float_value = -1.0;
+ stat_tap_init_table_row(table, i, num_fields, items);
+ i++;
+ }
+}
+
+static tap_packet_status
+calcappprotocol_stat_packet(void* tapdata, packet_info* pinfo _U_, epan_dissect_t* edt _U_, const void* data, tap_flags_t flags _U_)
+{
+ stat_data_t* stat_data = (stat_data_t*)tapdata;
+ const tap_calcappprotocol_rec_t* tap_rec = (const tap_calcappprotocol_rec_t*)data;
+ stat_tap_table* table;
+ stat_tap_table_item_type* msg_data;
+ gint idx;
+ guint64 messages;
+ guint64 bytes;
+ int i = 0;
+ double firstSeen = -1.0;
+ double lastSeen = -1.0;
+
+ idx = str_to_val_idx(tap_rec->type_string, message_type_values);
+ if (idx < 0)
+ return TAP_PACKET_DONT_REDRAW;
+
+ table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0);
+
+ /* Update packets counter */
+ calcappprotocol_total_msgs++;
+ msg_data = stat_tap_get_field_data(table, idx, MESSAGES_COLUMN);
+ msg_data->value.uint_value++;
+ messages = msg_data->value.uint_value;
+ stat_tap_set_field_data(table, idx, MESSAGES_COLUMN, msg_data);
+
+ /* Update bytes counter */
+ calcappprotocol_total_bytes += tap_rec->size;
+ msg_data = stat_tap_get_field_data(table, idx, BYTES_COLUMN);
+ msg_data->value.uint_value += tap_rec->size;
+ bytes = msg_data->value.uint_value;
+ stat_tap_set_field_data(table, idx, BYTES_COLUMN, msg_data);
+
+ /* Update messages and bytes share */
+ while (message_type_values[i].strptr) {
+ msg_data = stat_tap_get_field_data(table, i, MESSAGES_COLUMN);
+ const guint m = msg_data->value.uint_value;
+ msg_data = stat_tap_get_field_data(table, i, BYTES_COLUMN);
+ const guint b = msg_data->value.uint_value;
+
+ msg_data = stat_tap_get_field_data(table, i, MESSAGES_SHARE_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = 100.0 * m / (double)calcappprotocol_total_msgs;
+ stat_tap_set_field_data(table, i, MESSAGES_SHARE_COLUMN, msg_data);
+
+ msg_data = stat_tap_get_field_data(table, i, BYTES_SHARE_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = 100.0 * b / (double)calcappprotocol_total_bytes;
+ stat_tap_set_field_data(table, i, BYTES_SHARE_COLUMN, msg_data);
+ i++;
+ }
+
+ /* Update first seen time */
+ if (pinfo->presence_flags & PINFO_HAS_TS) {
+ msg_data = stat_tap_get_field_data(table, idx, FIRST_SEEN_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = MIN(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+ firstSeen = msg_data->value.float_value;
+ stat_tap_set_field_data(table, idx, FIRST_SEEN_COLUMN, msg_data);
+ }
+
+ /* Update last seen time */
+ if (pinfo->presence_flags & PINFO_HAS_TS) {
+ msg_data = stat_tap_get_field_data(table, idx, LAST_SEEN_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = MAX(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+ lastSeen = msg_data->value.float_value;
+ stat_tap_set_field_data(table, idx, LAST_SEEN_COLUMN, msg_data);
+ }
+
+ if ((lastSeen - firstSeen) > 0.0) {
+ /* Update interval */
+ msg_data = stat_tap_get_field_data(table, idx, INTERVAL_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = lastSeen - firstSeen;
+ stat_tap_set_field_data(table, idx, INTERVAL_COLUMN, msg_data);
+
+ /* Update message rate */
+ msg_data = stat_tap_get_field_data(table, idx, MESSAGE_RATE_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = messages / (lastSeen - firstSeen);
+ stat_tap_set_field_data(table, idx, MESSAGE_RATE_COLUMN, msg_data);
+
+ /* Update byte rate */
+ msg_data = stat_tap_get_field_data(table, idx, BYTE_RATE_COLUMN);
+ msg_data->type = TABLE_ITEM_FLOAT;
+ msg_data->value.float_value = bytes / (lastSeen - firstSeen);
+ stat_tap_set_field_data(table, idx, BYTE_RATE_COLUMN, msg_data);
+ }
+
+ return TAP_PACKET_REDRAW;
+}
+
+static void
+calcappprotocol_stat_reset(stat_tap_table* table)
+{
+ guint element;
+ stat_tap_table_item_type* item_data;
+
+ for (element = 0; element < table->num_elements; element++) {
+ item_data = stat_tap_get_field_data(table, element, MESSAGES_COLUMN);
+ item_data->value.uint_value = 0;
+ stat_tap_set_field_data(table, element, MESSAGES_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, MESSAGES_SHARE_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = -1.0;
+ stat_tap_set_field_data(table, element, MESSAGES_SHARE_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, BYTES_COLUMN);
+ item_data->value.uint_value = 0;
+ stat_tap_set_field_data(table, element, BYTES_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, BYTES_SHARE_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = -1.0;
+ stat_tap_set_field_data(table, element, BYTES_SHARE_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, FIRST_SEEN_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = DBL_MAX;
+ stat_tap_set_field_data(table, element, FIRST_SEEN_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, LAST_SEEN_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = DBL_MIN;
+ stat_tap_set_field_data(table, element, LAST_SEEN_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, INTERVAL_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = -1.0;
+ stat_tap_set_field_data(table, element, INTERVAL_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, MESSAGE_RATE_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = -1.0;
+ stat_tap_set_field_data(table, element, MESSAGE_RATE_COLUMN, item_data);
+
+ item_data = stat_tap_get_field_data(table, element, BYTE_RATE_COLUMN);
+ item_data->type = TABLE_ITEM_NONE;
+ item_data->value.float_value = -1.0;
+ stat_tap_set_field_data(table, element, BYTE_RATE_COLUMN, item_data);
+ }
+ calcappprotocol_total_msgs = 0;
+ calcappprotocol_total_bytes = 0;
+}
+
+
+/* Register the protocol with Wireshark */
+void
+proto_register_calcappprotocol(void)
+{
+
+ /* Setup list of header fields */
+ static hf_register_info hf[] = {
+ { &hf_message_type, { "Type", "calcappprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } },
+ { &hf_message_flags, { "Flags", "calcappprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_message_length, { "Length", "calcappprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_message_jobid, { "JobID", "calcappprotocol.message_jobid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_message_jobsize, { "JobSize", "calcappprotocol.message_jobsize", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_message_completed, { "Completed", "calcappprotocol.message_completed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_calcappprotocol
+ };
+
+ static tap_param calcappprotocol_stat_params[] = {
+ { PARAM_FILTER, "filter", "Filter", NULL, TRUE }
+ };
+
+ static stat_tap_table_ui calcappprotocol_stat_table = {
+ REGISTER_STAT_GROUP_RSERPOOL,
+ "CalcAppProtocol Statistics",
+ "calcappprotocol",
+ "calcappprotocol,stat",
+ calcappprotocol_stat_init,
+ calcappprotocol_stat_packet,
+ calcappprotocol_stat_reset,
+ NULL,
+ NULL,
+ sizeof(calcappprotocol_stat_fields)/sizeof(stat_tap_table_item), calcappprotocol_stat_fields,
+ sizeof(calcappprotocol_stat_params)/sizeof(tap_param), calcappprotocol_stat_params,
+ NULL,
+ 0
+ };
+
+ /* Register the protocol name and description */
+ proto_calcappprotocol = proto_register_protocol("Calculation Application Protocol", "CalcAppProtocol", "calcappprotocol");
+
+ /* Required function calls to register the header fields and subtrees used */
+ proto_register_field_array(proto_calcappprotocol, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ tap_calcappprotocol = register_tap("calcappprotocol");
+
+ register_stat_tap_table_ui(&calcappprotocol_stat_table);
+
+ calcappprotocol_handle = register_dissector("calcappprotocol", dissect_calcappprotocol, proto_calcappprotocol);
+}
+
+void
+proto_reg_handoff_calcappprotocol(void)
+{
+ dissector_add_uint("sctp.ppi", CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, calcappprotocol_handle);
+ dissector_add_uint("sctp.ppi", CALCAPP_PAYLOAD_PROTOCOL_ID, calcappprotocol_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:
+ */