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#------------------------------------------------------------------------------
# $File: palm,v 1.13 2014/03/30 21:40:08 christos Exp $
# palm: file(1) magic for PalmOS {.prc,.pdb}: applications, docfiles, and hacks
#
# Brian Lalor <blalor@hcirisc.cs.binghamton.edu>
# These are weak, byte 59 is not guaranteed to be 0 and there are
# 8 character identifiers at byte 60, one I found for appl is BIGb.
# What are the possibilities and where is this documented?
# The common header format for PalmOS .pdb/.prc files is
# {
# char name[ 32 ];
# Word attributes;
# Word version;
# DWord creationDate;
# DWord modificationDate;
# DWord lastBackupDate;
# DWord modificationNumber;
# DWord appInfoID;
# DWord sortInfoID;
# char type[4];
# char creator[4];
# DWord uniqueIDSeed;
# RecordListType recordList;
# };
#
# Datestamps are unsigned seconds since the MacOS epoch (Jan 1, 1904),
# or Unix/POSIX time + 2082844800.
0 name aportisdoc
# date is supposed to be big-endian seconds since 1 Jan 1904, but many
# files contain the timestamp in little-endian or a completely
# nonsensical value...
#>36 bedate-2082844800 >0 \b, created %s
# compression: 1=uncomp, 2=orig, 0x4448=HuffDic
>(78.L) beshort =1 \b, uncompressed
# compressed
>(78.L) beshort >1
>>(78.L+4) belong x \b, %d bytes uncompressed
# appl
#60 string appl PalmOS application
#>0 string >\0 "%s"
# HACK
#60 string HACK HackMaster hack
#>0 string >\0 "%s"
# iSiloX e-book
60 string SDocSilX iSiloX E-book
>0 string >\0 "%s"
# Mobipocket (www.mobipocket.com), donated by Carl Witty
# expanded by Ralf Brown
60 string BOOKMOBI Mobipocket E-book
# MobiPocket stores a full title, pointed at by the belong at offset
# 0x54 in its header at (78.L), with length given by the belong at
# offset 0x58.
# there's no guarantee that the title string is null-terminated, but
# we currently can't specify a variable-length string where the length
# field is not at the start of the string; in practice, the data
# following the string always seems to start with a zero byte
>(78.L) belong x
>>&(&0x50.L-4) string >\0 "%s"
>0 use aportisdoc
>>(78.L+0x68) belong >0 \b, version %d
>>(78.L+0x1C) belong !0 \b, codepage %d
>>(78.L+0x0C) beshort >0 \b, encrypted (type %d)
# AportisDoc/PalmDOC
60 string TEXtREAd AportisDoc/PalmDOC E-book
>0 string >\0 "%s"
>0 use aportisdoc
# Variety of PalmOS document types
# Michael-John Turner <mj@debian.org>
# Thanks to Hasan Umit Ezerce <humit@tr-net.net.tr> for his DocType
60 string BVokBDIC BDicty PalmOS document
>0 string >\0 "%s"
60 string DB99DBOS DB PalmOS document
>0 string >\0 "%s"
60 string vIMGView FireViewer/ImageViewer PalmOS document
>0 string >\0 "%s"
60 string PmDBPmDB HanDBase PalmOS document
>0 string >\0 "%s"
60 string InfoINDB InfoView PalmOS document
>0 string >\0 "%s"
60 string ToGoToGo iSilo PalmOS document
>0 string >\0 "%s"
60 string JfDbJBas JFile PalmOS document
>0 string >\0 "%s"
60 string JfDbJFil JFile Pro PalmOS document
>0 string >\0 "%s"
60 string DATALSdb List PalmOS document
>0 string >\0 "%s"
60 string Mdb1Mdb1 MobileDB PalmOS document
>0 string >\0 "%s"
60 string PNRdPPrs PeanutPress PalmOS document
>0 string >\0 "%s"
60 string DataPlkr Plucker PalmOS document
>0 string >\0 "%s"
60 string DataSprd QuickSheet PalmOS document
>0 string >\0 "%s"
60 string SM01SMem SuperMemo PalmOS document
>0 string >\0 "%s"
60 string TEXtTlDc TealDoc PalmOS document
>0 string >\0 "%s"
60 string InfoTlIf TealInfo PalmOS document
>0 string >\0 "%s"
60 string DataTlMl TealMeal PalmOS document
>0 string >\0 "%s"
60 string DataTlPt TealPaint PalmOS document
>0 string >\0 "%s"
60 string dataTDBP ThinkDB PalmOS document
>0 string >\0 "%s"
60 string TdatTide Tides PalmOS document
>0 string >\0 "%s"
60 string ToRaTRPW TomeRaider PalmOS document
>0 string >\0 "%s"
# A GutenPalm zTXT etext for use on Palm Pilots (http://gutenpalm.sf.net)
# For version 1.xx zTXTs, outputs version and numbers of bookmarks and
# annotations.
# For other versions, just outputs version.
#
60 string zTXT A GutenPalm zTXT e-book
>0 string >\0 "%s"
>(0x4E.L) byte 0
>>(0x4E.L+1) byte x (v0.%02d)
>(0x4E.L) byte 1
>>(0x4E.L+1) byte x (v1.%02d)
>>>(0x4E.L+10) beshort >0
>>>>(0x4E.L+10) beshort <2 - 1 bookmark
>>>>(0x4E.L+10) beshort >1 - %d bookmarks
>>>(0x4E.L+14) beshort >0
>>>>(0x4E.L+14) beshort <2 - 1 annotation
>>>>(0x4E.L+14) beshort >1 - %d annotations
>(0x4E.L) byte >1 (v%d.
>>(0x4E.L+1) byte x %02d)
# Palm OS .prc file types
60 string libr
# flags, only bit 0 or bit 6
# http://en.wikipedia.org/wiki/PRC_%28Palm_OS%29
# http://web.mit.edu/tytso/www/pilot/prc-format.html
>0x20 beshort&0xffbe 0
>>0 string >\0 Palm OS dynamic library data "%s"
60 string ptch Palm OS operating system patch data
>0 string >\0 "%s"
# Mobipocket (www.mobipocket.com), donated by Carl Witty
60 string BOOKMOBI Mobipocket E-book
>0 string >\0 "%s"
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