epan/dissectors/packet-ses.h

   1 /* packet-ses.h
   2  *
   3  * Routine to dissect ISO 8327-1 OSI Session Protocol packets
   4  *
   5  * Yuriy Sidelnikov <YSidelnikov@hotmail.com>
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * SPDX-License-Identifier: GPL-2.0-or-later
  12  */
  13
  14 #ifndef PACKET_SES_H
  15 #define PACKET_SES_H
  16
  17 #define PROTO_STRING_SES "ISO 8327-1 OSI Session Protocol"
  18 #define PROTO_STRING_SES_INFO "ISO 8327-1 OSI Session Protocol."
  19
  20
  21
  22 /*
  23 * Dissect ses-encapsulated data in a TCP stream.
  24 */
  25
  26 /* session parms */
  27 #define  SES_EXT_CONT           0x01
  28
  29 /* protocol versions  */
  30 #define  PROTOCOL_VERSION_1     0x01
  31 #define  PROTOCOL_VERSION_2     0x02
  32
  33 /* enclosure item */
  34 #define BEGINNING_SPDU          0x01
  35 #define END_SPDU                0x02
  36
  37 #define DATA_TOKEN                              0x01
  38 #define RELEASE_TOKEN                           0x40
  39 #define SYNCHRONIZE_MINOR_TOKEN                 0x04
  40 #define MAJOR_ACTIVITY_TOKEN                    0x10
  41
  42 /* session user req  flag   */
  43 #define HALF_DUPLEX_FUNCTION_UNIT               0x0001
  44 #define DUPLEX_FUNCTION_UNIT                    0x0002
  45 #define EXPEDITED_DATA_FUNCTION_UNIT            0x0004
  46 #define MINOR_SYNCHRONIZE_FUNCTION_UNIT         0x0008
  47 #define MAJOR_SYNCHRONIZE_FUNCTION_UNIT         0x0010
  48 #define RESYNCHRONIZE_FUNCTION_UNIT             0x0020
  49 #define ACTIVITY_MANAGEMENT_FUNCTION_UNIT       0x0040
  50 #define NEGOTIATED_RELEASE_FUNCTION_UNIT        0x0080
  51 #define CAPABILITY_DATA_FUNCTION_UNIT           0x0100
  52 #define EXCEPTION_FUNCTION_UNIT                 0x0200
  53 #define TYPED_DATA_FUNCTION_UNIT                0x0400
  54 #define SYMMETRIC_SYNCHRONIZE_FUNCTION_UNIT     0x0800
  55 #define DATA_SEPARATION_FUNCTION_UNIT           0x1000
  56
  57 #define SES_EXCEPTION_REPORT                    0x2000
  58 /*define SES_EXCEPTION_REPORT                    0    */
  59 #define SES_DATA_TRANSFER                        1
  60 #define SES_GIVE_TOKENS                          1
  61 #define SES_PLEASE_TOKENS                        2
  62 #define SES_EXPEDITED                            5
  63 #define SES_PREPARE                              7
  64 #define SES_NOT_FINISHED                         8
  65 #define SES_FINISH                               9
  66 #define SES_DISCONNECT                          10
  67 #define SES_REFUSE                              12
  68 #define SES_CONNECTION_REQUEST                  13
  69 #define SES_CONNECTION_ACCEPT                   14
  70 #define SES_CONNECTION_DATA_OVERFLOW            15
  71 #define SES_OVERFLOW_ACCEPT                     16
  72 #define SES_GIVE_TOKENS_CONFIRM                 21
  73 #define SES_GIVE_TOKENS_ACK                     22
  74 #define SES_ABORT                               25
  75 #define SES_ABORT_ACCEPT                        26
  76 /*#define SES_ACTIVITY_INTERRUPT                25
  77 #define SES_ACTIVITY_INTERRUPT_ACK              26  */
  78 #define SES_ACTIVITY_RESUME                     29
  79 #define SES_TYPED_DATA                          33
  80 #define SES_RESYNCHRONIZE_ACK                   34
  81 #define SES_MAJOR_SYNC_POINT                    41
  82 /*#define SES_MAJOR_SYNC_POINT                  41
  83 #define SES_ACTIVITY_END                        41  */
  84 #define SES_MAJOR_SYNC_ACK                      42
  85 #define SES_ACTIVITY_START                      45
  86 #define SES_EXCEPTION_DATA                      48
  87 #define SES_MINOR_SYNC_POINT                    49
  88 #define SES_MINOR_SYNC_ACK                      50
  89 #define SES_RESYNCHRONIZE                       53
  90 #define SES_ACTIVITY_DISCARD                    57
  91 #define SES_ACTIVITY_DISCARD_ACK                58
  92 #define SES_CAPABILITY                          61
  93 #define SES_CAPABILITY_DATA_ACK                 62
  94 #define CLSES_UNIT_DATA                         64
  95
  96 /*
  97 reason code
  98     0:  Rejection by called SS-user; reason not specified.
  99     1:  Rejection by called SS-user due to temporary congestion.
 100     2:  Rejection by called SS-user. Subsequent octets may be used
 101         for user data up to a length of 512 octets if Protocol
 102         Version 1 has been selected, and up to a length such that
 103         the total length (including SI and LI)  of the SPDU does
 104         not exceed 65 539 octets if Protocol Version 2 has been
 105         selected.
 106     128 + 1:    Session Selector unknown.
 107     128 + 2:    SS-user not attached to SSAP.
 108     128 + 3:    SPM congestion at connect time.
 109     128 + 4:    Proposed protocol versions not supported.
 110     128 + 5:    Rejection by the SPM; reason not specified.
 111     128 + 6:    Rejection by the SPM; implementation restriction stated in the
 112                  PICS.
 113 */
 114 #define reason_not_specified            0
 115 #define temporary_congestion            1
 116 #define Subsequent                      2
 117 #define Session_Selector_unknown        128+1
 118 #define SS_user_not_attached_to_SSAP    128+2
 119 #define SPM_congestion_at_connect_time  128+3
 120 #define versions_not_supported          128+4
 121 #define SPM_reason_not_specified        128+5
 122 #define SPM_implementation_restriction  128+6
 123
 124 #define         NON_TOKENS_SPDU                 false
 125 #define         TOKENS_SPDU                     true
 126
 127 #define         TWO_BYTE_LEN                    0xff
 128
 129 /* PGI's */
 130
 131 #define Connection_Identifier                   1
 132 #define Connect_Accept_Item                     5
 133 #define Linking_Information                     33
 134 #define User_Data                               193
 135 #define Extended_User_Data                      194
 136
 137 /* PI's */
 138
 139 #define Called_SS_user_Reference            9
 140 #define Calling_SS_user_Reference           10
 141 #define Common_Reference                    11
 142 #define Additional_Reference_Information    12
 143
 144 #define Sync_Type_Item                      15
 145 #define Token_Item                          16
 146 #define Transport_Disconnect                17
 147
 148 #define Protocol_Options                    19
 149 #define Session_Requirement                 20
 150 #define TSDU_Maximum_Size                   21
 151 #define Version_Number                      22
 152 #define Initial_Serial_Number               23
 153 #define Prepare_Type                        24
 154 #define EnclosureItem                       25
 155 #define Token_Setting_Item                  26
 156 #define Resync_Type                         27
 157
 158 #define Activity_Identifier                 41
 159 #define Serial_Number                       42
 160
 161 #define Reflect_Parameter                   49
 162
 163 #define Reason_Code                         50
 164 #define Calling_Session_Selector            51
 165 #define Called_Session_Selector             52
 166 #define Second_Resync_Type                  53
 167 #define Second_Serial_Number                54
 168 #define Second_Initial_Serial_Number        55
 169 #define Upper_Limit_Serial_Number           56
 170 #define Large_Initial_Serial_Number         57
 171 #define Large_Second_Initial_Serial_Number  58
 172
 173 #define Data_Overflow                       60
 174
 175 /* transport disconnect values */
 176 #define transport_connection_is_released    0x01
 177 #define user_abort                          0x02
 178 #define protocol_error                      0x04
 179 #define no_reason                           0x08
 180 #define implementation_restriction          0x10
 181
 182 #define SESSION_NO_ABORT        0
 183 #define SESSION_USER_ABORT      1
 184 #define SESSION_PROVIDER_ABORT  2
 185
 186 /* data for presentation selector      */
 187 struct SESSION_DATA_STRUCTURE
 188 {
 189         uint8_t  spdu_type;
 190         uint8_t  abort_type;
 191         uint8_t  pres_ctx_id;
 192         uint32_t ros_op;
 193         bool rtse_reassemble;
 194 };
 195
 196 extern value_string_ext ses_vals_ext;
 197
 198 #endif
 199
 200 /*
 201  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 202  *
 203  * Local variables:
 204  * c-basic-offset: 8
 205  * tab-width: 8
 206  * indent-tabs-mode: t
 207  * End:
 208  *
 209  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 210  * :indentSize=8:tabSize=8:noTabs=false:
 211  */