epan/dissectors/packet-ses.h

   1 /* packet-ses.h
   2 *
   3 * Routine to dissect ISO 8327-1 OSI Session Protocol packets
   4 *
   5 * $Id$
   6 *
   7 * Yuriy Sidelnikov <YSidelnikov@hotmail.com>
   8 *
   9 * Wireshark - Network traffic analyzer
  10 * By Gerald Combs <gerald@wireshark.org>
  11 * Copyright 1998 Gerald Combs
  12 *
  13 * This program is free software; you can redistribute it and/or
  14 * modify it under the terms of the GNU General Public License
  15 * as published by the Free Software Foundation; either version 2
  16 * of the License, or (at your option) any later version.
  17 *
  18 * This program is distributed in the hope that it will be useful,
  19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 * GNU General Public License for more details.
  22 *
  23 * You should have received a copy of the GNU General Public License
  24 * along with this program; if not, write to the Free Software
  25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  26 */
  27
  28 #ifndef PACKET_SES_H
  29 #define PACKET_SES_H
  30
  31 #define PROTO_STRING_SES "ISO 8327-1 OSI Session Protocol"
  32 #define PROTO_STRING_SES_INFO "ISO 8327-1 OSI Session Protocol."
  33
  34
  35
  36 /*
  37 * Dissect ses-encapsulated data in a TCP stream.
  38 */
  39
  40 /* session parms */
  41 #define  SES_EXT_CONT           0x01
  42
  43 /* protocol versions  */
  44 #define  PROTOCOL_VERSION_1     0x01
  45 #define  PROTOCOL_VERSION_2     0x02
  46
  47 /* enclosure item */
  48 #define BEGINNING_SPDU          0x01
  49 #define END_SPDU                0x02
  50
  51 #define DATA_TOKEN                              0x01
  52 #define RELEASE_TOKEN                           0x40
  53 #define SYNCHRONIZE_MINOR_TOKEN                 0x04
  54 #define MAJOR_ACTIVITY_TOKEN                    0x10
  55
  56 /* session user req  flag   */
  57 #define HALF_DUPLEX_FUNCTION_UNIT               0x0001
  58 #define DUPLEX_FUNCTION_UNIT                    0x0002
  59 #define EXPEDITED_DATA_FUNCTION_UNIT            0x0004
  60 #define MINOR_SYNCHRONIZE_FUNCTION_UNIT         0x0008
  61 #define MAJOR_SYNCHRONIZE_FUNCTION_UNIT         0x0010
  62 #define RESYNCHRONIZE_FUNCTION_UNIT             0x0020
  63 #define ACTIVITY_MANAGEMENT_FUNCTION_UNIT       0x0040
  64 #define NEGOTIATED_RELEASE_FUNCTION_UNIT        0x0080
  65 #define CAPABILITY_DATA_FUNCTION_UNIT           0x0100
  66 #define EXCEPTION_FUNCTION_UNIT                 0x0200
  67 #define TYPED_DATA_FUNCTION_UNIT                0x0400
  68 #define SYMMETRIC_SYNCHRONIZE_FUNCTION_UNIT     0x0800
  69 #define DATA_SEPARATION_FUNCTION_UNIT           0x1000
  70
  71 #define SES_EXCEPTION_REPORT                    0x2000
  72 /*define SES_EXCEPTION_REPORT                   0    */
  73 #define SES_DATA_TRANSFER                       1
  74 #define SES_GIVE_TOKENS                         1
  75 #define SES_PLEASE_TOKENS                       2
  76 #define SES_EXPEDITED                           5
  77 #define SES_PREPARE                             7
  78 #define SES_NOT_FINISHED                        8
  79 #define SES_FINISH                              9
  80 #define SES_DISCONNECT                          10
  81 #define SES_REFUSE                              12
  82 #define SES_CONNECTION_REQUEST                  13
  83 #define SES_CONNECTION_ACCEPT                   14
  84 #define SES_CONNECTION_DATA_OVERFLOW            15
  85 #define SES_OVERFLOW_ACCEPT                     16
  86 #define SES_GIVE_TOKENS_CONFIRM                 21
  87 #define SES_GIVE_TOKENS_ACK                     22
  88 #define SES_ABORT                               25
  89 #define SES_ABORT_ACCEPT                        26
  90 /*#define SES_ACTIVITY_INTERRUPT                25
  91 #define SES_ACTIVITY_INTERRUPT_ACK              26  */
  92 #define SES_ACTIVITY_RESUME                     29
  93 #define SES_TYPED_DATA                          33
  94 #define SES_RESYNCHRONIZE_ACK                   34
  95 #define SES_MAJOR_SYNC_POINT                    41
  96 /*#define SES_MAJOR_SYNC_POINT                  41
  97 #define SES_ACTIVITY_END                        41  */
  98 #define SES_MAJOR_SYNC_ACK                      42
  99 #define SES_ACTIVITY_START                      45
 100 #define SES_EXCEPTION_DATA                      48
 101 #define SES_MINOR_SYNC_POINT                    49
 102 #define SES_MINOR_SYNC_ACK                      50
 103 #define SES_RESYNCHRONIZE                       53
 104 #define SES_ACTIVITY_DISCARD                    57
 105 #define SES_ACTIVITY_DISCARD_ACK                58
 106 #define SES_CAPABILITY                          61
 107 #define SES_CAPABILITY_DATA_ACK                 62
 108 #define CLSES_UNIT_DATA                         64
 109
 110 /*
 111 reason code
 112         0:      Rejection by called SS-user; reason not specified.
 113         1:      Rejection by called SS-user due to temporary congestion.
 114         2:      Rejection by called SS-user. Subsequent octets may be used
 115                 for user data up to a length of 512 octets if Protocol
 116                 Version 1 has been selected, and up to a length such that
 117                 the total length (including SI and LI)  of the SPDU does
 118                 not exceed 65 539 octets if Protocol Version 2 has been
 119                 selected.
 120         128 + 1:        Session Selector unknown.
 121         128 + 2:        SS-user not attached to SSAP.
 122         128 + 3:        SPM congestion at connect time.
 123         128 + 4:        Proposed protocol versions not supported.
 124         128 + 5:        Rejection by the SPM; reason not specified.
 125         128 + 6:        Rejection by the SPM; implementation restriction stated in the
 126                         PICS.
 127 */
 128 #define reason_not_specified            0
 129 #define temporary_congestion            1
 130 #define Subsequent                      2
 131 #define Session_Selector_unknown        128+1
 132 #define SS_user_not_attached_to_SSAP    128+2
 133 #define SPM_congestion_at_connect_time  128+3
 134 #define versions_not_supported          128+4
 135 #define SPM_reason_not_specified        128+5
 136 #define SPM_implementation_restriction  128+6
 137
 138 #define         NON_TOKENS_SPDU                 FALSE
 139 #define         TOKENS_SPDU                     TRUE
 140
 141 #define         TWO_BYTE_LEN                    0xff
 142
 143 /* PGI's */
 144
 145 #define Connection_Identifier                   1
 146 #define Connect_Accept_Item                     5
 147 #define Linking_Information                     33
 148 #define User_Data                               193
 149 #define Extended_User_Data                      194
 150
 151 /* PI's */
 152
 153 #define Called_SS_user_Reference                        9
 154 #define Calling_SS_user_Reference                       10
 155 #define Common_Reference                                        11
 156 #define Additional_Reference_Information        12
 157
 158 #define Sync_Type_Item                                          15
 159 #define Token_Item                                                      16
 160 #define Transport_Disconnect                            17
 161
 162 #define Protocol_Options                                        19
 163 #define Session_Requirement                                     20
 164 #define TSDU_Maximum_Size                                       21
 165 #define Version_Number                                          22
 166 #define Initial_Serial_Number                           23
 167 #define Prepare_Type                                            24
 168 #define EnclosureItem                                           25
 169 #define Token_Setting_Item                                      26
 170 #define Resync_Type                                                     27
 171
 172 #define Activity_Identifier                                     41
 173 #define Serial_Number                                           42
 174
 175 #define Reflect_Parameter                                       49
 176
 177 #define Reason_Code                                                     50
 178 #define Calling_Session_Selector                        51
 179 #define Called_Session_Selector                         52
 180 #define Second_Resync_Type                                      53
 181 #define Second_Serial_Number                            54
 182 #define Second_Initial_Serial_Number            55
 183 #define Upper_Limit_Serial_Number                       56
 184 #define Large_Initial_Serial_Number                     57
 185 #define Large_Second_Initial_Serial_Number      58
 186
 187 #define Data_Overflow                                           60
 188
 189 /* transport disconnect values */
 190 #define         transport_connection_is_released        0x01
 191 #define         user_abort                              0x02
 192 #define         protocol_error                          0x04
 193 #define         no_reason                               0x08
 194 #define         implementation_restriction              0x10
 195
 196 #define         SESSION_NO_ABORT                0
 197 #define         SESSION_USER_ABORT              1
 198 #define         SESSION_PROVIDER_ABORT          2
 199
 200 /* data for presentation selector      */
 201 struct SESSION_DATA_STRUCTURE
 202 {
 203         guint8  spdu_type;
 204         guint8  abort_type;
 205         guint8  pres_ctx_id;
 206         guint32 ros_op;
 207         gboolean rtse_reassemble;
 208 };
 209
 210 extern const value_string ses_vals[];
 211
 212 #endif