197 lines
6.8 KiB
C
197 lines
6.8 KiB
C
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/*
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** JAM(mbp) - The Joaquim-Andrew-Mats Message Base Proposal
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**
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** C API
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**
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** Written by Joaquim Homrighausen.
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**
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** ----------------------------------------------------------------------
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**
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** jam.h (JAMmb)
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**
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** Prototypes and definitions for the JAM message base format
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**
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** Copyright 1993 Joaquim Homrighausen, Andrew Milner, Mats Birch, and
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** Mats Wallin. ALL RIGHTS RESERVED.
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**
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** 93-06-28 JoHo
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** Initial coding.
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**
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __JAM_H__
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#define __JAM_H__
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#ifndef __JAMSYS_H__
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#include "jamsys.h"
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#endif
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/*
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** File extensions
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*/
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#define EXT_HDRFILE ".jhr"
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#define EXT_TXTFILE ".jdt"
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#define EXT_IDXFILE ".jdx"
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#define EXT_LRDFILE ".jlr"
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/*
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** Revision level and header signature
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*/
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#define CURRENTREVLEV 1
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#define HEADERSIGNATURE "JAM"
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/*
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** Header file information block, stored first in all .JHR files
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*/
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typedef struct
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{
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CHAR8 Signature[4]; /* <J><A><M> followed by <NUL> */
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UINT32 DateCreated; /* Creation date */
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UINT32 ModCounter; /* Last processed counter */
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UINT32 ActiveMsgs; /* Number of active (not deleted) msgs */
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UINT32 PasswordCRC; /* CRC-32 of password to access */
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UINT32 BaseMsgNum; /* Lowest message number in index file */
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CHAR8 RSRVD[1000]; /* Reserved space */
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}
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JAMHDRINFO, _JAMDATA * JAMHDRINFOptr;
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/*
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** Message status bits
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*/
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#define MSG_LOCAL 0x00000001L /* Msg created locally */
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#define MSG_INTRANSIT 0x00000002L /* Msg is in-transit */
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#define MSG_PRIVATE 0x00000004L /* Private */
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#define MSG_READ 0x00000008L /* Read by addressee */
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#define MSG_SENT 0x00000010L /* Sent to remote */
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#define MSG_KILLSENT 0x00000020L /* Kill when sent */
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#define MSG_ARCHIVESENT 0x00000040L /* Archive when sent */
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#define MSG_HOLD 0x00000080L /* Hold for pick-up */
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#define MSG_CRASH 0x00000100L /* Crash */
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#define MSG_IMMEDIATE 0x00000200L /* Send Msg now, ignore restrictions */
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#define MSG_DIRECT 0x00000400L /* Send directly to destination */
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#define MSG_GATE 0x00000800L /* Send via gateway */
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#define MSG_FILEREQUEST 0x00001000L /* File request */
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#define MSG_FILEATTACH 0x00002000L /* File(s) attached to Msg */
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#define MSG_TRUNCFILE 0x00004000L /* Truncate file(s) when sent */
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#define MSG_KILLFILE 0x00008000L /* Delete file(s) when sent */
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#define MSG_RECEIPTREQ 0x00010000L /* Return receipt requested */
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#define MSG_CONFIRMREQ 0x00020000L /* Confirmation receipt requested */
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#define MSG_ORPHAN 0x00040000L /* Unknown destination */
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#define MSG_ENCRYPT 0x00080000L /* Msg text is encrypted */
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#define MSG_COMPRESS 0x00100000L /* Msg text is compressed */
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#define MSG_ESCAPED 0x00200000L /* Msg text is seven bit ASCII */
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#define MSG_FPU 0x00400000L /* Force pickup */
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#define MSG_TYPELOCAL 0x00800000L /* Msg is for local use only (not for export) */
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#define MSG_TYPEECHO 0x01000000L /* Msg is for conference distribution */
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#define MSG_TYPENET 0x02000000L /* Msg is direct network mail */
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#define MSG_NODISP 0x20000000L /* Msg may not be displayed to user */
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#define MSG_LOCKED 0x40000000L /* Msg is locked, no editing possible */
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#define MSG_DELETED 0x80000000L /* Msg is deleted */
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/*
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** Message header
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*/
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typedef struct
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{
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CHAR8 Signature[4]; /* <J><A><M> followed by <NUL> */
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UINT16 Revision; /* CURRENTREVLEV */
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UINT16 ReservedWord; /* Reserved */
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UINT32 SubfieldLen; /* Length of subfields */
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UINT32 TimesRead; /* Number of times message read */
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UINT32 MsgIdCRC; /* CRC-32 of MSGID line */
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UINT32 ReplyCRC; /* CRC-32 of REPLY line */
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UINT32 ReplyTo; /* This msg is a reply to.. */
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UINT32 Reply1st; /* First reply to this msg */
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UINT32 ReplyNext; /* Next msg in reply chain */
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UINT32 DateWritten; /* When msg was written */
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UINT32 DateReceived; /* When msg was received/read */
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UINT32 DateProcessed; /* When msg was processed by packer */
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UINT32 MsgNum; /* Message number (1-based) */
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UINT32 Attribute; /* Msg attribute, see "Status bits" */
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UINT32 Attribute2; /* Reserved for future use */
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UINT32 TxtOffset; /* Offset of text in text file */
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UINT32 TxtLen; /* Length of message text */
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UINT32 PasswordCRC; /* CRC-32 of password to access msg */
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UINT32 Cost; /* Cost of message */
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}
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JAMHDR, _JAMDATA * JAMHDRptr;
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/*
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** Message header subfield types
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*/
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#define JAMSFLD_OADDRESS 0
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#define JAMSFLD_DADDRESS 1
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#define JAMSFLD_SENDERNAME 2
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#define JAMSFLD_RECVRNAME 3
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#define JAMSFLD_MSGID 4
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#define JAMSFLD_REPLYID 5
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#define JAMSFLD_SUBJECT 6
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#define JAMSFLD_PID 7
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#define JAMSFLD_TRACE 8
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#define JAMSFLD_ENCLFILE 9
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#define JAMSFLD_ENCLFWALIAS 10
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#define JAMSFLD_ENCLFREQ 11
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#define JAMSFLD_ENCLFILEWC 12
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#define JAMSFLD_ENCLINDFILE 13
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#define JAMSFLD_EMBINDAT 1000
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#define JAMSFLD_FTSKLUDGE 2000
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#define JAMSFLD_SEENBY2D 2001
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#define JAMSFLD_PATH2D 2002
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#define JAMSFLD_FLAGS 2003
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#define JAMSFLD_TZUTCINFO 2004
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#define JAMSFLD_UNKNOWN 0xffff
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/*
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** Message header subfield
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*/
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typedef struct
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{
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UINT16 LoID; /* Field ID, 0 - 0xffff */
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UINT16 HiID; /* Reserved for future use */
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UINT32 DatLen; /* Length of buffer that follows */
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CHAR8 Buffer[1]; /* DatLen bytes of data */
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}
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JAMSUBFIELD, _JAMDATA * JAMSUBFIELDptr;
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typedef struct
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{
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UINT16 LoID; /* Field ID, 0 - 0xffff */
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UINT16 HiID; /* Reserved for future use */
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UINT32 DatLen; /* Length of buffer that follows */
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}
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JAMBINSUBFIELD, _JAMDATA * JAMBINSUBFIELDptr;
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/*
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** Message index record
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*/
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typedef struct
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{
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UINT32 UserCRC; /* CRC-32 of destination username */
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UINT32 HdrOffset; /* Offset of header in .JHR file */
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}
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JAMIDXREC, _JAMDATA * JAMIDXRECptr;
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/*
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** Lastread structure, one per user
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*/
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typedef struct
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{
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UINT32 UserCRC; /* CRC-32 of user name (lowercase) */
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UINT32 UserID; /* Unique UserID */
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UINT32 LastReadMsg; /* Last read message number */
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UINT32 HighReadMsg; /* Highest read message number */
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}
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JAMLREAD, _JAMDATA * JAMLREADptr;
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#endif /* __JAM_H__ */
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#ifdef __cplusplus
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}
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#endif
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/* end of file "jam.h" */
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