212 lines
7.5 KiB
C
212 lines
7.5 KiB
C
/* packet-ses.h
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*
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* Routine to dissect ISO 8327-1 OSI Session Protocol packets
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*
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* Yuriy Sidelnikov <YSidelnikov@hotmail.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef PACKET_SES_H
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#define PACKET_SES_H
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#define PROTO_STRING_SES "ISO 8327-1 OSI Session Protocol"
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#define PROTO_STRING_SES_INFO "ISO 8327-1 OSI Session Protocol."
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/*
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* Dissect ses-encapsulated data in a TCP stream.
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*/
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/* session parms */
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#define SES_EXT_CONT 0x01
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/* protocol versions */
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#define PROTOCOL_VERSION_1 0x01
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#define PROTOCOL_VERSION_2 0x02
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/* enclosure item */
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#define BEGINNING_SPDU 0x01
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#define END_SPDU 0x02
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#define DATA_TOKEN 0x01
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#define RELEASE_TOKEN 0x40
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#define SYNCHRONIZE_MINOR_TOKEN 0x04
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#define MAJOR_ACTIVITY_TOKEN 0x10
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/* session user req flag */
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#define HALF_DUPLEX_FUNCTION_UNIT 0x0001
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#define DUPLEX_FUNCTION_UNIT 0x0002
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#define EXPEDITED_DATA_FUNCTION_UNIT 0x0004
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#define MINOR_SYNCHRONIZE_FUNCTION_UNIT 0x0008
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#define MAJOR_SYNCHRONIZE_FUNCTION_UNIT 0x0010
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#define RESYNCHRONIZE_FUNCTION_UNIT 0x0020
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#define ACTIVITY_MANAGEMENT_FUNCTION_UNIT 0x0040
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#define NEGOTIATED_RELEASE_FUNCTION_UNIT 0x0080
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#define CAPABILITY_DATA_FUNCTION_UNIT 0x0100
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#define EXCEPTION_FUNCTION_UNIT 0x0200
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#define TYPED_DATA_FUNCTION_UNIT 0x0400
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#define SYMMETRIC_SYNCHRONIZE_FUNCTION_UNIT 0x0800
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#define DATA_SEPARATION_FUNCTION_UNIT 0x1000
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#define SES_EXCEPTION_REPORT 0x2000
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/*define SES_EXCEPTION_REPORT 0 */
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#define SES_DATA_TRANSFER 1
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#define SES_GIVE_TOKENS 1
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#define SES_PLEASE_TOKENS 2
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#define SES_EXPEDITED 5
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#define SES_PREPARE 7
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#define SES_NOT_FINISHED 8
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#define SES_FINISH 9
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#define SES_DISCONNECT 10
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#define SES_REFUSE 12
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#define SES_CONNECTION_REQUEST 13
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#define SES_CONNECTION_ACCEPT 14
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#define SES_CONNECTION_DATA_OVERFLOW 15
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#define SES_OVERFLOW_ACCEPT 16
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#define SES_GIVE_TOKENS_CONFIRM 21
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#define SES_GIVE_TOKENS_ACK 22
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#define SES_ABORT 25
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#define SES_ABORT_ACCEPT 26
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/*#define SES_ACTIVITY_INTERRUPT 25
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#define SES_ACTIVITY_INTERRUPT_ACK 26 */
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#define SES_ACTIVITY_RESUME 29
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#define SES_TYPED_DATA 33
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#define SES_RESYNCHRONIZE_ACK 34
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#define SES_MAJOR_SYNC_POINT 41
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/*#define SES_MAJOR_SYNC_POINT 41
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#define SES_ACTIVITY_END 41 */
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#define SES_MAJOR_SYNC_ACK 42
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#define SES_ACTIVITY_START 45
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#define SES_EXCEPTION_DATA 48
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#define SES_MINOR_SYNC_POINT 49
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#define SES_MINOR_SYNC_ACK 50
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#define SES_RESYNCHRONIZE 53
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#define SES_ACTIVITY_DISCARD 57
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#define SES_ACTIVITY_DISCARD_ACK 58
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#define SES_CAPABILITY 61
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#define SES_CAPABILITY_DATA_ACK 62
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#define CLSES_UNIT_DATA 64
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/*
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reason code
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0: Rejection by called SS-user; reason not specified.
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1: Rejection by called SS-user due to temporary congestion.
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2: Rejection by called SS-user. Subsequent octets may be used
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for user data up to a length of 512 octets if Protocol
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Version 1 has been selected, and up to a length such that
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the total length (including SI and LI) of the SPDU does
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not exceed 65 539 octets if Protocol Version 2 has been
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selected.
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128 + 1: Session Selector unknown.
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128 + 2: SS-user not attached to SSAP.
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128 + 3: SPM congestion at connect time.
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128 + 4: Proposed protocol versions not supported.
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128 + 5: Rejection by the SPM; reason not specified.
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128 + 6: Rejection by the SPM; implementation restriction stated in the
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PICS.
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*/
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#define reason_not_specified 0
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#define temporary_congestion 1
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#define Subsequent 2
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#define Session_Selector_unknown 128+1
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#define SS_user_not_attached_to_SSAP 128+2
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#define SPM_congestion_at_connect_time 128+3
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#define versions_not_supported 128+4
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#define SPM_reason_not_specified 128+5
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#define SPM_implementation_restriction 128+6
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#define NON_TOKENS_SPDU FALSE
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#define TOKENS_SPDU TRUE
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#define TWO_BYTE_LEN 0xff
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/* PGI's */
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#define Connection_Identifier 1
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#define Connect_Accept_Item 5
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#define Linking_Information 33
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#define User_Data 193
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#define Extended_User_Data 194
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/* PI's */
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#define Called_SS_user_Reference 9
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#define Calling_SS_user_Reference 10
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#define Common_Reference 11
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#define Additional_Reference_Information 12
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#define Sync_Type_Item 15
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#define Token_Item 16
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#define Transport_Disconnect 17
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#define Protocol_Options 19
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#define Session_Requirement 20
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#define TSDU_Maximum_Size 21
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#define Version_Number 22
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#define Initial_Serial_Number 23
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#define Prepare_Type 24
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#define EnclosureItem 25
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#define Token_Setting_Item 26
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#define Resync_Type 27
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#define Activity_Identifier 41
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#define Serial_Number 42
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#define Reflect_Parameter 49
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#define Reason_Code 50
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#define Calling_Session_Selector 51
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#define Called_Session_Selector 52
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#define Second_Resync_Type 53
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#define Second_Serial_Number 54
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#define Second_Initial_Serial_Number 55
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#define Upper_Limit_Serial_Number 56
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#define Large_Initial_Serial_Number 57
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#define Large_Second_Initial_Serial_Number 58
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#define Data_Overflow 60
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/* transport disconnect values */
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#define transport_connection_is_released 0x01
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#define user_abort 0x02
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#define protocol_error 0x04
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#define no_reason 0x08
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#define implementation_restriction 0x10
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#define SESSION_NO_ABORT 0
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#define SESSION_USER_ABORT 1
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#define SESSION_PROVIDER_ABORT 2
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/* data for presentation selector */
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struct SESSION_DATA_STRUCTURE
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{
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guint8 spdu_type;
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guint8 abort_type;
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guint8 pres_ctx_id;
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guint32 ros_op;
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gboolean rtse_reassemble;
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};
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extern value_string_ext ses_vals_ext;
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#endif
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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