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magicka/jamlib/jam.h

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Switching to crashmail Jamlib
2016-03-25 00:58:57 +00:00
/*
JAMLIB - A JAM subroutine library
Copyright (C) 1999 Bj<EFBFBD>rn Stenberg
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Changes made by Johan Billing 2000-04-16:
- Added #defines for JAM_NO_MESSAGE and JAM_CORRUPT_MSG
- Added #ifndef linux around typedefs for uint16_t and uint32_t
- Added prototype for JAM_AddEmptyMessage()
Backported changes from JAMLIB 1.4.7 made by Johan Billing 2003-10-26
- Added prototype for JAM_DeleteMessage()
*/
/***********************************************************************
**
** JAM Definitions
**
***********************************************************************/
#ifndef __JAM_H__
#define __JAM_H__
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <stdint.h>
/*
** Error codes
*/
#define JAM_BAD_PARAM 1 /* one or more parameters are wrong */
#define JAM_IO_ERROR 2 /* i/o error. check JAM_Errno() for details */
#define JAM_LOCK_FAILED 3 /* lock could not be set */
#define JAM_NOT_LOCKED 4 /* the message base was not locked before writing */
#define JAM_NO_MEMORY 5 /* out of memory! */
#define JAM_NO_USER 6 /* user not found */
#define JAM_NO_MESSAGE 7 /* message has been deleted */
#define JAM_CORRUPT_MSG 8 /* message header is corrupt */
/*
** CRC definitions
*/
#define JAM_NO_CRC 0xffffffff
/*
** File extensions
*/
#define EXT_HDRFILE ".jhr"
#define EXT_TXTFILE ".jdt"
#define EXT_IDXFILE ".jdx"
#define EXT_LRDFILE ".jlr"
/*
** Revision level and header signature
*/
#define CURRENTREVLEV 1
#define HEADERSIGNATURE "JAM\0"
/*
** Header file information block, stored first in all .JHR files
*/
typedef struct {
char Signature[4]; /* <J><A><M> followed by <NUL> */
uint32_t DateCreated; /* Creation date */
uint32_t ModCounter; /* Last processed counter */
uint32_t ActiveMsgs; /* Number of active (not deleted) msgs */
uint32_t PasswordCRC; /* CRC-32 of password to access */
uint32_t BaseMsgNum; /* Lowest message number in index file */
char RSRVD[1000]; /* Reserved space */
} s_JamBaseHeader;
/*
** Message status bits
*/
#define MSG_LOCAL 0x00000001L /* Msg created locally */
#define MSG_INTRANSIT 0x00000002L /* Msg is in-transit */
#define MSG_PRIVATE 0x00000004L /* Private */
#define MSG_READ 0x00000008L /* Read by addressee */
#define MSG_SENT 0x00000010L /* Sent to remote */
#define MSG_KILLSENT 0x00000020L /* Kill when sent */
#define MSG_ARCHIVESENT 0x00000040L /* Archive when sent */
#define MSG_HOLD 0x00000080L /* Hold for pick-up */
#define MSG_CRASH 0x00000100L /* Crash */
#define MSG_IMMEDIATE 0x00000200L /* Send Msg now, ignore restrictions */
#define MSG_DIRECT 0x00000400L /* Send directly to destination */
#define MSG_GATE 0x00000800L /* Send via gateway */
#define MSG_FILEREQUEST 0x00001000L /* File request */
#define MSG_FILEATTACH 0x00002000L /* File(s) attached to Msg */
#define MSG_TRUNCFILE 0x00004000L /* Truncate file(s) when sent */
#define MSG_KILLFILE 0x00008000L /* Delete file(s) when sent */
#define MSG_RECEIPTREQ 0x00010000L /* Return receipt requested */
#define MSG_CONFIRMREQ 0x00020000L /* Confirmation receipt requested */
#define MSG_ORPHAN 0x00040000L /* Unknown destination */
#define MSG_ENCRYPT 0x00080000L /* Msg text is encrypted */
#define MSG_COMPRESS 0x00100000L /* Msg text is compressed */
#define MSG_ESCAPED 0x00200000L /* Msg text is seven bit ASCII */
#define MSG_FPU 0x00400000L /* Force pickup */
#define MSG_TYPELOCAL 0x00800000L /* Msg is for local use only (no export) */
#define MSG_TYPEECHO 0x01000000L /* Msg is for conference distribution */
#define MSG_TYPENET 0x02000000L /* Msg is direct network mail */
#define MSG_NODISP 0x20000000L /* Msg may not be displayed to user */
#define MSG_LOCKED 0x40000000L /* Msg is locked, no editing possible */
#define MSG_DELETED 0x80000000L /* Msg is deleted */
/*
** Message header
*/
typedef struct {
char Signature[4]; /* <J><A><M> followed by <NUL> */
uint16_t Revision; /* CURRENTREVLEV */
uint16_t ReservedWord; /* Reserved */
uint32_t SubfieldLen; /* Length of Subfields */
uint32_t TimesRead; /* Number of times message read */
uint32_t MsgIdCRC; /* CRC-32 of MSGID line */
uint32_t ReplyCRC; /* CRC-32 of REPLY line */
uint32_t ReplyTo; /* This msg is a reply to.. */
uint32_t Reply1st; /* First reply to this msg */
uint32_t ReplyNext; /* Next msg in reply chain */
uint32_t DateWritten; /* When msg was written */
uint32_t DateReceived; /* When msg was received/read */
uint32_t DateProcessed; /* When msg was processed by packer */
uint32_t MsgNum; /* Message number (1-based) */
uint32_t Attribute; /* Msg attribute, see "Status bits" */
uint32_t Attribute2; /* Reserved for future use */
uint32_t TxtOffset; /* Offset of text in text file */
uint32_t TxtLen; /* Length of message text */
uint32_t PasswordCRC; /* CRC-32 of password to access msg */
uint32_t Cost; /* Cost of message */
} s_JamMsgHeader;
/*
** Message header Subfield types
*/
#define JAMSFLD_OADDRESS 0
#define JAMSFLD_DADDRESS 1
#define JAMSFLD_SENDERNAME 2
#define JAMSFLD_RECVRNAME 3
#define JAMSFLD_MSGID 4
#define JAMSFLD_REPLYID 5
#define JAMSFLD_SUBJECT 6
#define JAMSFLD_PID 7
#define JAMSFLD_TRACE 8
#define JAMSFLD_ENCLFILE 9
#define JAMSFLD_ENCLFWALIAS 10
#define JAMSFLD_ENCLFREQ 11
#define JAMSFLD_ENCLFILEWC 12
#define JAMSFLD_ENCLINDFILE 13
#define JAMSFLD_EMBINDAT 1000
#define JAMSFLD_FTSKLUDGE 2000
#define JAMSFLD_SEENBY2D 2001
#define JAMSFLD_PATH2D 2002
#define JAMSFLD_FLAGS 2003
#define JAMSFLD_TZUTCINFO 2004
#define JAMSFLD_UNKNOWN 0xffff
/*
** Message header Subfield
*/
typedef struct {
uint16_t LoID; /* Field ID, 0 - 0xffff */
uint16_t HiID; /* Reserved for future use */
uint32_t DatLen; /* Length of buffer that follows */
char* Buffer; /* DatLen bytes of data */
} s_JamSubfield;
typedef struct {
uint16_t LoID; /* Field ID, 0 - 0xffff */
uint16_t HiID; /* Reserved for future use */
uint32_t DatLen; /* Length of buffer that follows */
} s_JamSaveSubfield;
/*
** Message index record
*/
typedef struct {
uint32_t UserCRC; /* CRC-32 of destination username */
uint32_t HdrOffset; /* Offset of header in .JHR file */
} s_JamIndex;
/*
** Lastread structure, one per user
*/
typedef struct {
uint32_t UserCRC; /* CRC-32 of user name (lowercase) */
uint32_t UserID; /* Unique UserID */
uint32_t LastReadMsg; /* Last read message number */
uint32_t HighReadMsg; /* Highest read message number */
} s_JamLastRead;
/*
** JAMLIB message base handle
*/
typedef struct {
FILE* HdrFile_PS; /* File handle for .JHR file */
FILE* TxtFile_PS; /* File handle for .JDT file */
FILE* IdxFile_PS; /* File handle for .JDX file */
FILE* LrdFile_PS; /* File handle for .JLR file */
int Errno_I; /* last i/o error */
int Locked_I; /* is area locked? */
uint32_t LastUserPos_I; /* last position of lastread record */
uint32_t LastUserId_I; /* userid for the last read lastread record */
} s_JamBase;
/*
** JAMLIB subfield packet
*/
typedef struct {
s_JamSubfield** Fields;
uint32_t NumFields;
uint32_t NumAlloc;
} s_JamSubPacket;
/*
** JAMLIB function declarations
*/
/* mbase.c */
int JAM_OpenMB ( char* Basename_PC,
s_JamBase** NewArea_PPS );
int JAM_CloseMB ( s_JamBase* Area_PS );
int JAM_CreateMB ( char* Basename_PC,
uint32_t BaseMsg_I,
s_JamBase** NewArea_PPS );
int JAM_RemoveMB ( s_JamBase* Area_PS,
char* Basename_PC );
int JAM_LockMB ( s_JamBase* Area_PS,
int Timeout_I );
int JAM_UnlockMB ( s_JamBase* Area_PS );
int JAM_ReadMBHeader ( s_JamBase* Area_PS,
s_JamBaseHeader* Header_PS );
int JAM_WriteMBHeader ( s_JamBase* Area_PS,
s_JamBaseHeader* Header_PS );
int JAM_FindUser ( s_JamBase* Area_PS,
uint32_t UserCrc_I,
uint32_t StartMsg_I,
uint32_t* MsgNo_PI );
int JAM_GetMBSize ( s_JamBase* Area_PS,
uint32_t* Messages_PI );
/* message.c */
int JAM_ReadMsgHeader ( s_JamBase* Area_PS,
uint32_t MsgNo_I,
s_JamMsgHeader* Header_PS,
s_JamSubPacket** SubfieldPack_PPS );
int JAM_ReadMsgText ( s_JamBase* Area_PS,
uint32_t Offset_I,
uint32_t Length_I,
char* Buffer_PC );
int JAM_AddMessage ( s_JamBase* Area_PS,
s_JamMsgHeader* Header_PS,
s_JamSubPacket* SubPack_PS,
char* Text_PC,
uint32_t TextLen_I );
int JAM_AddEmptyMessage ( s_JamBase* Area_PS );
int JAM_DeleteMessage ( s_JamBase* Base_PS,
uint32_t MsgNo_I );
int JAM_ChangeMsgHeader ( s_JamBase* Area_PS,
uint32_t MsgNo_I,
s_JamMsgHeader* Header_PS );
int JAM_ClearMsgHeader ( s_JamMsgHeader* Header_PS );
int JAM_Errno ( s_JamBase* Area_PS );
/* lastread.c */
int JAM_ReadLastRead ( s_JamBase* Area_PS,
uint32_t User_I,
s_JamLastRead* Record_PS );
int JAM_WriteLastRead ( s_JamBase* Area_PS,
uint32_t User_I,
s_JamLastRead* Record_PS );
/* subpacket.c */
s_JamSubPacket* JAM_NewSubPacket ( void );
int JAM_DelSubPacket ( s_JamSubPacket* SubPack_PS );
s_JamSubfield* JAM_GetSubfield ( s_JamSubPacket* SubPack_PS );
s_JamSubfield* JAM_GetSubfield_R ( s_JamSubPacket* SubPack_PS ,
uint32_t* Count_PI);
int JAM_PutSubfield ( s_JamSubPacket* SubPack_PS,
s_JamSubfield* Field_PS );
/* crc32.c */
uint32_t JAM_Crc32 ( char* Buffer_PC, uint32_t Length_I );
#endif
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