forked from osmocom/wireshark
1044 lines
28 KiB
C
1044 lines
28 KiB
C
/* packet-tns.c
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* Routines for Oracle TNS packet dissection
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*
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* $Id: packet-tns.c,v 1.23 2001/12/03 03:59:40 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-tftp.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <string.h>
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#include <glib.h>
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#include "packet.h"
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#include "packet-tns.h"
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static int proto_tns = -1;
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static int hf_tns_request = -1;
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static int hf_tns_response = -1;
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static int hf_tns_length = -1;
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static int hf_tns_packet_checksum = -1;
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static int hf_tns_header_checksum = -1;
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static int hf_tns_packet_type = -1;
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static int hf_tns_reserved_byte = -1;
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static int hf_tns_connect = -1;
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static int hf_tns_version = -1;
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static int hf_tns_compat_version = -1;
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static int hf_tns_service_options = -1;
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static int hf_tns_sdu_size = -1;
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static int hf_tns_max_tdu_size = -1;
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static int hf_tns_nt_proto_characteristics = -1;
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static int hf_tns_line_turnaround = -1;
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static int hf_tns_value_of_one = -1;
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static int hf_tns_connect_data_length = -1;
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static int hf_tns_connect_data_offset = -1;
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static int hf_tns_connect_data_max = -1;
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static int hf_tns_connect_flags0 = -1;
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static int hf_tns_connect_flags1 = -1;
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static int hf_tns_connect_data = -1;
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static int hf_tns_trace_cf1 = -1;
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static int hf_tns_trace_cf2 = -1;
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static int hf_tns_trace_cid = -1;
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static int hf_tns_accept = -1;
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static int hf_tns_accept_data_length = -1;
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static int hf_tns_accept_data_offset = -1;
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static int hf_tns_accept_data = -1;
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static int hf_tns_refuse = -1;
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static int hf_tns_refuse_reason_user = -1;
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static int hf_tns_refuse_reason_system = -1;
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static int hf_tns_refuse_data_length = -1;
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static int hf_tns_refuse_data = -1;
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static int hf_tns_abort = -1;
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static int hf_tns_abort_reason_user = -1;
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static int hf_tns_abort_reason_system = -1;
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static int hf_tns_abort_data = -1;
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static int hf_tns_marker = -1;
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static int hf_tns_marker_type = -1;
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static int hf_tns_marker_data_byte = -1;
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static int hf_tns_marker_data = -1;
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static int hf_tns_redirect = -1;
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static int hf_tns_redirect_data_length = -1;
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static int hf_tns_redirect_data = -1;
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static int hf_tns_control = -1;
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static int hf_tns_control_cmd = -1;
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static int hf_tns_control_data = -1;
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static int hf_tns_data_flag = -1;
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static int hf_tns_data_flag_send = -1;
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static int hf_tns_data_flag_rc = -1;
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static int hf_tns_data_flag_c = -1;
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static int hf_tns_data_flag_reserved = -1;
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static int hf_tns_data_flag_more = -1;
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static int hf_tns_data_flag_eof = -1;
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static int hf_tns_data_flag_dic = -1;
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static int hf_tns_data_flag_rts = -1;
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static int hf_tns_data_flag_sntt = -1;
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static int hf_tns_data = -1;
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static gint ett_tns = -1;
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static gint ett_tns_connect = -1;
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static gint ett_tns_accept = -1;
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static gint ett_tns_refuse = -1;
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static gint ett_tns_abort = -1;
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static gint ett_tns_redirect = -1;
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static gint ett_tns_marker = -1;
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static gint ett_tns_attention = -1;
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static gint ett_tns_control = -1;
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static gint ett_tns_data = -1;
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static gint ett_tns_data_flag = -1;
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static gint ett_sql = -1;
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static dissector_handle_t data_handle;
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#define TCP_PORT_TNS 1521
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static const value_string tns_type_vals[] = {
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{TNS_TYPE_CONNECT, "Connect" },
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{TNS_TYPE_ACCEPT, "Accept" },
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{TNS_TYPE_ACK, "Acknowledge" },
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{TNS_TYPE_REFUSE, "Refuse" },
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{TNS_TYPE_REDIRECT, "Redirect" },
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{TNS_TYPE_DATA, "Data" },
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{TNS_TYPE_NULL, "Null" },
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{TNS_TYPE_ABORT, "Abort" },
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{TNS_TYPE_RESEND, "Resend"},
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{TNS_TYPE_MARKER, "Marker"},
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{TNS_TYPE_ATTENTION, "Attention"},
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{TNS_TYPE_CONTROL, "Control"},
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{0, NULL}
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};
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static const value_string tns_marker_types[] = {
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{0, "Data Marker - 0 Data Bytes"},
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{1, "Data Marker - 1 Data Bytes"},
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{2, "Attention Marker"},
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{0, NULL}
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};
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static const value_string tns_control_cmds[] = {
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{1, "Oracle Trace Command"},
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{0, NULL}
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};
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static void dissect_tns_data(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree, proto_tree *tns_tree)
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{
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proto_tree *data_tree = NULL, *ti;
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int is_sns = 0;
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if ( tvb_bytes_exist(tvb, offset+2, 4) )
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{
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if ( tvb_get_guint8(tvb, offset+2) == 0xDE &&
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tvb_get_guint8(tvb, offset+3) == 0xAD &&
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tvb_get_guint8(tvb, offset+4) == 0xBE &&
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tvb_get_guint8(tvb, offset+5) == 0xEF )
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{
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is_sns = 1;
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}
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}
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if ( tree )
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{
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if ( is_sns )
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{
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ti = proto_tree_add_text(tns_tree, tvb, offset,
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tvb_length_remaining(tvb, offset), "Secure Network Services");
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}
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else
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{
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ti = proto_tree_add_text(tns_tree, tvb, offset,
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tvb_length_remaining(tvb, offset), "Data");
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}
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data_tree = proto_item_add_subtree(ti, ett_tns_data);
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proto_tree_add_boolean_hidden(tns_tree, hf_tns_data, tvb, 0, 0,
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TRUE);
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}
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if ( tree )
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{
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proto_tree *df_tree = NULL;
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ti = proto_tree_add_uint(data_tree, hf_tns_data_flag, tvb, offset, 2, FALSE);
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df_tree = proto_item_add_subtree(ti, ett_tns_data_flag);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_send, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_rc, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_c, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_reserved, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_more, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_eof, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_dic, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_rts, tvb, offset, 2, FALSE);
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proto_tree_add_uint(df_tree, hf_tns_data_flag_sntt, tvb, offset, 2, FALSE);
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}
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offset += 2;
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if ( check_col(pinfo->fd, COL_INFO) )
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{
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if ( is_sns )
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{
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col_append_fstr(pinfo->fd, COL_INFO, ", SNS");
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}
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else
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{
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col_append_fstr(pinfo->fd, COL_INFO, ", Data");
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}
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}
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if ( data_tree )
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{
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call_dissector(data_handle,tvb_new_subset(tvb,offset,-1,tvb_reported_length_remaining(tvb,offset)),pinfo,data_tree);
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}
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return;
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}
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static void dissect_tns_connect(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree, proto_tree *tns_tree)
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{
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proto_tree *connect_tree = NULL, *ti;
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int cd_offset;
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int cd_len;
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int tns_offset = offset-8;
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if ( tree )
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{
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ti = proto_tree_add_text(tns_tree, tvb, offset,
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tvb_length_remaining(tvb, offset), "Connect");
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connect_tree = proto_item_add_subtree(ti, ett_tns_connect);
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proto_tree_add_boolean_hidden(tns_tree, hf_tns_connect, tvb,
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0, 0, TRUE);
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}
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if ( check_col(pinfo->fd, COL_INFO) )
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{
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col_append_str(pinfo->fd, COL_INFO, ", Connect");
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}
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if ( connect_tree )
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{
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proto_tree_add_item(connect_tree, hf_tns_version, tvb,
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offset, 2, FALSE);
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_item(connect_tree, hf_tns_compat_version, tvb,
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offset, 2, FALSE);
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}
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offset += 2;
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if ( connect_tree )
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{
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/* need to break down w/ bitfield */
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proto_tree_add_uint(connect_tree, hf_tns_service_options, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_sdu_size, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_max_tdu_size, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_nt_proto_characteristics, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_line_turnaround, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_bytes(connect_tree, hf_tns_value_of_one, tvb,
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offset, 2, tvb_get_ptr(tvb, offset, 2));
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}
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offset += 2;
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cd_len = tvb_get_ntohs(tvb, offset);
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_connect_data_length, tvb,
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offset, 2, cd_len);
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}
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offset += 2;
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cd_offset = tvb_get_ntohs(tvb, offset);
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_connect_data_offset, tvb,
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offset, 2, cd_offset);
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_connect_data_max, tvb,
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offset, 4, tvb_get_ntohl(tvb, offset));
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}
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offset += 4;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_connect_flags0, tvb,
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offset, 1, tvb_get_guint8(tvb, offset));
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}
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offset += 1;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_connect_flags1, tvb,
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offset, 1, tvb_get_guint8(tvb, offset));
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}
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offset += 1;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_trace_cf1, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_trace_cf2, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree )
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{
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proto_tree_add_uint(connect_tree, hf_tns_trace_cid, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( connect_tree && cd_len > 0)
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{
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proto_tree_add_string(connect_tree, hf_tns_connect_data, tvb,
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tns_offset+cd_offset, tvb_length(tvb)-(tns_offset+cd_offset),
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tvb_get_ptr(tvb, tns_offset+cd_offset,
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tvb_length(tvb)-(tns_offset+cd_offset)));
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}
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return;
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}
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static void dissect_tns_accept(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree, proto_tree *tns_tree)
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{
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proto_tree *accept_tree = NULL, *ti;
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int accept_offset;
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int accept_len;
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int tns_offset = offset-8;
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if ( tree )
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{
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ti = proto_tree_add_text(tns_tree, tvb, offset,
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tvb_length_remaining(tvb, offset), "Accept");
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accept_tree = proto_item_add_subtree(ti, ett_tns_accept);
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proto_tree_add_boolean_hidden(tns_tree, hf_tns_accept, tvb,
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0, 0, TRUE);
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}
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if ( check_col(pinfo->fd, COL_INFO) )
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{
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col_append_str(pinfo->fd, COL_INFO, ", Accept");
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}
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if ( accept_tree )
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{
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proto_tree_add_item(accept_tree, hf_tns_version, tvb,
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offset, 2, FALSE);
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}
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offset += 2;
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if ( accept_tree )
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{
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proto_tree_add_uint(accept_tree, hf_tns_service_options, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( accept_tree )
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{
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proto_tree_add_uint(accept_tree, hf_tns_sdu_size, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( accept_tree )
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{
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proto_tree_add_uint(accept_tree, hf_tns_max_tdu_size, tvb,
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offset, 2, tvb_get_ntohs(tvb, offset));
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}
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offset += 2;
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if ( accept_tree )
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{
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proto_tree_add_bytes(accept_tree, hf_tns_value_of_one, tvb,
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offset, 2, tvb_get_ptr(tvb, offset, 2));
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}
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offset += 2;
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accept_len = tvb_get_ntohs(tvb, offset);
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if ( accept_tree )
|
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{
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proto_tree_add_uint(accept_tree, hf_tns_accept_data_length, tvb,
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offset, 2, accept_len);
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}
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offset += 2;
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accept_offset = tvb_get_ntohs(tvb, offset);
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if ( accept_tree )
|
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{
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proto_tree_add_uint(accept_tree, hf_tns_accept_data_offset, tvb,
|
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offset, 2, accept_offset);
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}
|
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offset += 2;
|
|
|
|
if ( accept_tree )
|
|
{
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proto_tree_add_uint(accept_tree, hf_tns_connect_flags0, tvb,
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offset, 1, tvb_get_guint8(tvb, offset));
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}
|
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offset += 1;
|
|
|
|
if ( accept_tree )
|
|
{
|
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proto_tree_add_uint(accept_tree, hf_tns_connect_flags1, tvb,
|
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offset, 1, tvb_get_guint8(tvb, offset));
|
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}
|
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offset += 1;
|
|
|
|
if ( accept_tree && accept_len > 0)
|
|
{
|
|
proto_tree_add_string(accept_tree, hf_tns_accept_data, tvb,
|
|
tns_offset+accept_offset, tvb_length(tvb)-(tns_offset+accept_offset),
|
|
tvb_get_ptr(tvb, tns_offset+accept_offset,
|
|
tvb_length(tvb)-(tns_offset+accept_offset)));
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static void dissect_tns_refuse(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, proto_tree *tns_tree)
|
|
{
|
|
proto_tree *refuse_tree = NULL, *ti;
|
|
|
|
if ( tree )
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Refuse");
|
|
refuse_tree = proto_item_add_subtree(ti, ett_tns_refuse);
|
|
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_refuse, tvb,
|
|
0, 0, TRUE);
|
|
}
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO) )
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Refuse");
|
|
}
|
|
|
|
if ( refuse_tree )
|
|
{
|
|
proto_tree_add_uint(refuse_tree, hf_tns_refuse_reason_user, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( refuse_tree )
|
|
{
|
|
proto_tree_add_uint(refuse_tree, hf_tns_refuse_reason_system, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( refuse_tree )
|
|
{
|
|
proto_tree_add_uint(refuse_tree, hf_tns_refuse_data_length, tvb,
|
|
offset, 2, tvb_get_ntohs(tvb, offset));
|
|
}
|
|
offset += 2;
|
|
|
|
if ( refuse_tree )
|
|
{
|
|
proto_tree_add_string(refuse_tree, hf_tns_refuse_data, tvb,
|
|
offset, tvb_length(tvb)-offset,
|
|
tvb_get_ptr(tvb, offset, tvb_length(tvb)-offset));
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static void dissect_tns_abort(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, proto_tree *tns_tree)
|
|
{
|
|
proto_tree *abort_tree = NULL, *ti;
|
|
|
|
if ( tree )
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Abort");
|
|
abort_tree = proto_item_add_subtree(ti, ett_tns_abort);
|
|
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_abort, tvb,
|
|
0, 0, TRUE);
|
|
}
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO) )
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Abort");
|
|
}
|
|
|
|
if ( abort_tree )
|
|
{
|
|
proto_tree_add_uint(abort_tree, hf_tns_abort_reason_user, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( abort_tree )
|
|
{
|
|
proto_tree_add_uint(abort_tree, hf_tns_abort_reason_system, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( abort_tree )
|
|
{
|
|
proto_tree_add_string(abort_tree, hf_tns_abort_data, tvb,
|
|
offset, tvb_length_remaining(tvb,offset),
|
|
tvb_get_ptr(tvb, offset, tvb_length_remaining(tvb,offset)));
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static void dissect_tns_marker(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, proto_tree *tns_tree, int is_attention)
|
|
{
|
|
proto_tree *marker_tree = NULL, *ti;
|
|
|
|
if ( tree )
|
|
{
|
|
if ( is_attention )
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Marker");
|
|
}
|
|
else
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Attention");
|
|
}
|
|
|
|
marker_tree = proto_item_add_subtree(ti, ett_tns_marker);
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_marker, tvb,
|
|
0, 0, TRUE);
|
|
}
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO) )
|
|
{
|
|
if ( is_attention )
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Marker");
|
|
}
|
|
else
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Attention");
|
|
}
|
|
}
|
|
|
|
if ( marker_tree )
|
|
{
|
|
proto_tree_add_uint(marker_tree, hf_tns_marker_type, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( marker_tree )
|
|
{
|
|
proto_tree_add_uint(marker_tree, hf_tns_marker_data_byte, tvb,
|
|
offset, 1, tvb_get_guint8(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
if ( marker_tree )
|
|
{
|
|
proto_tree_add_uint(marker_tree, hf_tns_marker_data_byte, tvb,
|
|
offset, 1, tvb_get_ntohs(tvb, offset));
|
|
}
|
|
offset += 1;
|
|
|
|
return;
|
|
}
|
|
|
|
static void dissect_tns_redirect(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, proto_tree *tns_tree)
|
|
{
|
|
proto_tree *redirect_tree = NULL, *ti;
|
|
|
|
if ( tree )
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Redirect");
|
|
redirect_tree = proto_item_add_subtree(ti, ett_tns_redirect);
|
|
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_redirect, tvb,
|
|
0, 0, TRUE);
|
|
}
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO) )
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Redirect");
|
|
}
|
|
|
|
if ( redirect_tree )
|
|
{
|
|
proto_tree_add_uint(redirect_tree, hf_tns_redirect_data_length, tvb,
|
|
offset, 2, tvb_get_ntohs(tvb, offset));
|
|
}
|
|
offset += 2;
|
|
|
|
if ( redirect_tree )
|
|
{
|
|
proto_tree_add_string(redirect_tree, hf_tns_redirect_data, tvb,
|
|
offset, tvb_length(tvb)-offset,
|
|
tvb_get_ptr(tvb, offset, tvb_length(tvb)-offset));
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void dissect_tns_control(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, proto_tree *tns_tree)
|
|
{
|
|
proto_tree *control_tree = NULL, *ti;
|
|
|
|
if ( tree )
|
|
{
|
|
ti = proto_tree_add_text(tns_tree, tvb, offset,
|
|
tvb_length_remaining(tvb, offset), "Control");
|
|
control_tree = proto_item_add_subtree(ti, ett_tns_control);
|
|
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_control, tvb,
|
|
0, 0, TRUE);
|
|
}
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO) )
|
|
{
|
|
col_append_str(pinfo->fd, COL_INFO, ", Control");
|
|
}
|
|
|
|
if ( control_tree )
|
|
{
|
|
proto_tree_add_uint(control_tree, hf_tns_control_cmd, tvb,
|
|
offset, 2, tvb_get_ntohs(tvb, offset));
|
|
}
|
|
offset += 2;
|
|
|
|
if ( control_tree )
|
|
{
|
|
proto_tree_add_string(control_tree, hf_tns_control_data, tvb,
|
|
offset, tvb_length(tvb)-offset,
|
|
tvb_get_ptr(tvb, offset, tvb_length(tvb)-offset));
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
dissect_tns(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *tns_tree = NULL, *ti;
|
|
int offset = 0;
|
|
guint16 length;
|
|
guint16 type;
|
|
|
|
if (check_col(pinfo->fd, COL_PROTOCOL))
|
|
col_set_str(pinfo->fd, COL_PROTOCOL, "TNS");
|
|
|
|
if (check_col(pinfo->fd, COL_INFO))
|
|
{
|
|
col_add_str(pinfo->fd, COL_INFO,
|
|
(pinfo->match_port == pinfo->destport) ? "Request" : "Response");
|
|
}
|
|
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_item(tree, proto_tns, tvb, 0,
|
|
tvb_length(tvb), FALSE);
|
|
tns_tree = proto_item_add_subtree(ti, ett_tns);
|
|
|
|
if (pinfo->match_port == pinfo->destport)
|
|
{
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_request,
|
|
tvb, offset, tvb_length(tvb), TRUE);
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_boolean_hidden(tns_tree, hf_tns_response,
|
|
tvb, offset, tvb_length(tvb), TRUE);
|
|
}
|
|
}
|
|
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
if (tree)
|
|
{
|
|
proto_tree_add_uint(tns_tree, hf_tns_length, tvb,
|
|
offset, 2, length);
|
|
}
|
|
offset += 2;
|
|
|
|
if ( tree )
|
|
{
|
|
proto_tree_add_item(tns_tree, hf_tns_packet_checksum, tvb,
|
|
offset, 2, FALSE);
|
|
}
|
|
offset += 2;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
if ( tree )
|
|
{
|
|
proto_tree_add_uint(tns_tree, hf_tns_packet_type, tvb,
|
|
offset, 1, type);
|
|
}
|
|
offset += 1;
|
|
|
|
if ( check_col(pinfo->fd, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->fd, COL_INFO, ", %s (%u)",
|
|
val_to_str(type, tns_type_vals, "Unknown"), type);
|
|
}
|
|
|
|
if ( tree )
|
|
{
|
|
proto_tree_add_item(tns_tree, hf_tns_reserved_byte, tvb,
|
|
offset, 1, FALSE);
|
|
}
|
|
offset += 1;
|
|
|
|
if ( tree )
|
|
{
|
|
proto_tree_add_item(tns_tree, hf_tns_header_checksum, tvb,
|
|
offset, 2, FALSE);
|
|
}
|
|
offset += 2;
|
|
|
|
switch (type)
|
|
{
|
|
case TNS_TYPE_CONNECT:
|
|
dissect_tns_connect(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_ACCEPT:
|
|
dissect_tns_accept(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_REFUSE:
|
|
dissect_tns_refuse(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_REDIRECT:
|
|
dissect_tns_redirect(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_ABORT:
|
|
dissect_tns_abort(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_MARKER:
|
|
dissect_tns_marker(tvb,offset,pinfo,tree,tns_tree, 0);
|
|
break;
|
|
case TNS_TYPE_ATTENTION:
|
|
dissect_tns_marker(tvb,offset,pinfo,tree,tns_tree, 1);
|
|
break;
|
|
case TNS_TYPE_CONTROL:
|
|
dissect_tns_control(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
case TNS_TYPE_DATA:
|
|
dissect_tns_data(tvb,offset,pinfo,tree,tns_tree);
|
|
break;
|
|
default:
|
|
call_dissector(data_handle,tvb_new_subset(tvb,offset,-1,tvb_reported_length_remaining(tvb,offset)),pinfo,tns_tree);
|
|
}
|
|
}
|
|
|
|
void proto_register_tns(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_tns_response, {
|
|
"Response", "tns.response", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "TRUE if TNS response", HFILL }},
|
|
{ &hf_tns_request, {
|
|
"Request", "tns.request", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "TRUE if TNS request", HFILL }},
|
|
{ &hf_tns_length, {
|
|
"Packet Length", "tns.length", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, "Length of TNS packet", HFILL }},
|
|
{ &hf_tns_packet_checksum, {
|
|
"Packet Checksum", "tns.packet_checksum", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Checksum of Packet Data", HFILL }},
|
|
{ &hf_tns_header_checksum, {
|
|
"Header Checksum", "tns.header_checksum", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Checksum of Header Data", HFILL }},
|
|
|
|
{ &hf_tns_version, {
|
|
"Version", "tns.version", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Version", HFILL }},
|
|
{ &hf_tns_compat_version, {
|
|
"Version (Compatible)", "tns.compat_version", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Version (Compatible)", HFILL }},
|
|
{ &hf_tns_service_options, {
|
|
"Service Options", "tns.service_options", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Service Options", HFILL }},
|
|
{ &hf_tns_sdu_size, {
|
|
"Session Data Unit Size", "tns.sdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Session Data Unit Size", HFILL }},
|
|
{ &hf_tns_max_tdu_size, {
|
|
"Maximum Transmission Data Unit Size", "tns.max_tdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Maximum Transmission Data Unit Size", HFILL }},
|
|
{ &hf_tns_nt_proto_characteristics, {
|
|
"NT Protocol Characteristics", "tns.nt_proto_characteristics", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "NT Protocol Characteristics", HFILL }},
|
|
{ &hf_tns_line_turnaround, {
|
|
"Line Turnaround Value", "tns.line_turnaround", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Line Turnaround Value", HFILL }},
|
|
{ &hf_tns_value_of_one, {
|
|
"Value of 1 in Hardware", "tns.value_of_one", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, "Value of 1 in Hardware", HFILL }},
|
|
|
|
{ &hf_tns_connect, {
|
|
"Connect", "tns.connect", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Connect", HFILL }},
|
|
{ &hf_tns_connect_data_length, {
|
|
"Length of Connect Data", "tns.connect_data_length", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Length of Connect Data", HFILL }},
|
|
{ &hf_tns_connect_data_offset, {
|
|
"Offset to Connect Data", "tns.connect_data_offset", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Offset to Connect Data", HFILL }},
|
|
{ &hf_tns_connect_data_max, {
|
|
"Maximum Receivable Connect Data", "tns.connect_data_max", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, "Maximum Receivable Connect Data", HFILL }},
|
|
{ &hf_tns_connect_flags0, {
|
|
"Connect Flags 0", "tns.connect_flags0", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Connect Flags 0", HFILL }},
|
|
{ &hf_tns_connect_flags1, {
|
|
"Connect Flags 1", "tns.connect_flags1", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Connect Flags 1", HFILL }},
|
|
{ &hf_tns_trace_cf1, {
|
|
"Trace Cross Facility Item 1", "tns.trace_cf1", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Trace Cross Facility Item 1", HFILL }},
|
|
{ &hf_tns_trace_cf2, {
|
|
"Trace Cross Facility Item 2", "tns.trace_cf2", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Trace Cross Facility Item 2", HFILL }},
|
|
{ &hf_tns_trace_cid, {
|
|
"Trace Unique Connection ID", "tns.trace_cid", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Trace Unique Connection ID", HFILL }},
|
|
{ &hf_tns_connect_data, {
|
|
"Connect Data", "tns.connect_data", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, "Connect Data", HFILL }},
|
|
|
|
{ &hf_tns_accept, {
|
|
"Accept", "tns.accept", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Accept", HFILL }},
|
|
{ &hf_tns_accept_data_length, {
|
|
"Accept Data Length", "tns.accept_data_length", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Length of Accept Data", HFILL }},
|
|
{ &hf_tns_accept_data, {
|
|
"Accept Data", "tns.accept_data", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, "Accept Data", HFILL }},
|
|
{ &hf_tns_accept_data_offset, {
|
|
"Offset to Accept Data", "tns.accept_data_offset", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Offset to Accept Data", HFILL }},
|
|
|
|
|
|
{ &hf_tns_refuse, {
|
|
"Refuse", "tns.refuse", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Refuse", HFILL }},
|
|
{ &hf_tns_refuse_reason_user, {
|
|
"Refuse Reason (User)", "tns.refuse_reason_user", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Refuse Reason from Application", HFILL }},
|
|
{ &hf_tns_refuse_reason_system, {
|
|
"Refuse Reason (User)", "tns.refuse_reason_system", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Refuse Reason from System", HFILL }},
|
|
{ &hf_tns_refuse_data_length, {
|
|
"Refuse Data Length", "tns.refuse_data_length", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Length of Refuse Data", HFILL }},
|
|
{ &hf_tns_refuse_data, {
|
|
"Refuse Data", "tns.refuse_data", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, "Refuse Data", HFILL }},
|
|
|
|
{ &hf_tns_abort, {
|
|
"Abort", "tns.abort", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Abort", HFILL }},
|
|
{ &hf_tns_abort_reason_user, {
|
|
"Abort Reason (User)", "tns.abort_reason_user", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Abort Reason from Application", HFILL }},
|
|
{ &hf_tns_abort_reason_system, {
|
|
"Abort Reason (User)", "tns.abort_reason_system", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Abort Reason from System", HFILL }},
|
|
{ &hf_tns_abort_data, {
|
|
"Abort Data", "tns.abort_data", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, "Abort Data", HFILL }},
|
|
|
|
{ &hf_tns_marker, {
|
|
"Marker", "tns.marker", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Marker", HFILL }},
|
|
{ &hf_tns_marker_type, {
|
|
"Marker Type", "tns.marker.type", FT_UINT8, BASE_HEX,
|
|
VALS(tns_marker_types), 0x0, "Marker Type", HFILL }},
|
|
{ &hf_tns_marker_data_byte, {
|
|
"Marker Data Byte", "tns.marker.databyte", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "Marker Data Byte", HFILL }},
|
|
{ &hf_tns_marker_data, {
|
|
"Marker Data", "tns.marker.data", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Marker Data", HFILL }},
|
|
|
|
{ &hf_tns_control, {
|
|
"Control", "tns.control", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Control", HFILL }},
|
|
{ &hf_tns_control_cmd, {
|
|
"Control Command", "tns.control.cmd", FT_UINT16, BASE_HEX,
|
|
VALS(tns_control_cmds), 0x0, "Control Command", HFILL }},
|
|
{ &hf_tns_control_data, {
|
|
"Control Data", "tns.control.data", FT_BYTES, BASE_HEX,
|
|
NULL, 0x0, "Control Data", HFILL }},
|
|
|
|
{ &hf_tns_redirect, {
|
|
"Redirect", "tns.redirect", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Redirect", HFILL }},
|
|
{ &hf_tns_redirect_data_length, {
|
|
"Redirect Data Length", "tns.redirect_data_length", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Length of Redirect Data", HFILL }},
|
|
{ &hf_tns_redirect_data, {
|
|
"Redirect Data", "tns.redirect_data", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, "Redirect Data", HFILL }},
|
|
|
|
{ &hf_tns_data, {
|
|
"Data", "tns.data", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0, "Data", HFILL }},
|
|
{ &hf_tns_data_flag, {
|
|
"Data Flag", "tns.data_flag", FT_UINT16, BASE_HEX,
|
|
NULL, 0x0, "Data Flag", HFILL }},
|
|
{ &hf_tns_data_flag_send, {
|
|
"Send Token", "tns.data_flag.send", FT_UINT16, BASE_BIN,
|
|
NULL, 0x1, "Send Token", HFILL }},
|
|
{ &hf_tns_data_flag_rc, {
|
|
"Request Confirmation", "tns.data_flag.rc", FT_UINT16, BASE_BIN,
|
|
NULL, 0x2, "Request Confirmation", HFILL }},
|
|
{ &hf_tns_data_flag_c, {
|
|
"Confirmation", "tns.data_flag.c", FT_UINT16, BASE_BIN,
|
|
NULL, 0x4, "Confirmation", HFILL }},
|
|
{ &hf_tns_data_flag_reserved, {
|
|
"Reserved", "tns.data_flag.reserved", FT_UINT16, BASE_BIN,
|
|
NULL, 0x8, "Reserved", HFILL }},
|
|
{ &hf_tns_data_flag_more, {
|
|
"More Data to Come", "tns.data_flag.more", FT_UINT16, BASE_BIN,
|
|
NULL, 0x20, "More Data to Come", HFILL }},
|
|
{ &hf_tns_data_flag_eof, {
|
|
"End of File", "tns.data_flag.eof", FT_UINT16, BASE_BIN,
|
|
NULL, 0x40, "End of File", HFILL }},
|
|
{ &hf_tns_data_flag_dic, {
|
|
"Do Immediate Confirmation", "tns.data_flag.dic", FT_UINT16, BASE_BIN,
|
|
NULL, 0x80, "Do Immediate Confirmation", HFILL }},
|
|
{ &hf_tns_data_flag_rts, {
|
|
"Request To Send", "tns.data_flag.rts", FT_UINT16, BASE_BIN,
|
|
NULL, 0x100, "Request To Send", HFILL }},
|
|
{ &hf_tns_data_flag_sntt, {
|
|
"Send NT Trailer", "tns.data_flag.sntt", FT_UINT16, BASE_BIN,
|
|
NULL, 0x200, "Send NT Trailer", HFILL }},
|
|
|
|
|
|
{ &hf_tns_reserved_byte, {
|
|
"Reserved Byte", "tns.reserved_byte", FT_BYTES, BASE_HEX,
|
|
NULL, 0x0, "Reserved Byte", HFILL }},
|
|
{ &hf_tns_packet_type, {
|
|
"Packet Type", "tns.type", FT_UINT8, BASE_DEC,
|
|
VALS(tns_type_vals), 0x0, "Type of TNS packet", HFILL }}
|
|
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_tns,
|
|
&ett_tns_connect,
|
|
&ett_tns_accept,
|
|
&ett_tns_refuse,
|
|
&ett_tns_abort,
|
|
&ett_tns_redirect,
|
|
&ett_tns_marker,
|
|
&ett_tns_attention,
|
|
&ett_tns_control,
|
|
&ett_tns_data,
|
|
&ett_tns_data_flag,
|
|
&ett_sql
|
|
};
|
|
proto_tns = proto_register_protocol(
|
|
"Transparent Network Substrate Protocol", "TNS", "tns");
|
|
proto_register_field_array(proto_tns, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_tns(void)
|
|
{
|
|
dissector_handle_t tns_handle;
|
|
|
|
tns_handle = create_dissector_handle(dissect_tns, proto_tns);
|
|
dissector_add("tcp.port", TCP_PORT_TNS, tns_handle);
|
|
data_handle = find_dissector("data");
|
|
}
|