157 lines
5.2 KiB
Plaintext
157 lines
5.2 KiB
Plaintext
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#------------------------------------------------------------------------------
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# $File: palm,v 1.15 2021/12/16 21:50:06 christos Exp $
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# palm: file(1) magic for PalmOS {.prc,.pdb}: applications, docfiles, and hacks
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#
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# Brian Lalor <blalor@hcirisc.cs.binghamton.edu>
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# These are weak, byte 59 is not guaranteed to be 0 and there are
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# 8 character identifiers at byte 60, one I found for appl is BIGb.
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# What are the possibilities and where is this documented?
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# The common header format for PalmOS .pdb/.prc files is
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# {
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# char name[ 32 ];
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# Word attributes;
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# Word version;
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# DWord creationDate;
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# DWord modificationDate;
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# DWord lastBackupDate;
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# DWord modificationNumber;
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# DWord appInfoID;
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# DWord sortInfoID;
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# char type[4];
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# char creator[4];
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# DWord uniqueIDSeed;
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# RecordListType recordList;
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# };
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#
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# Datestamps are unsigned seconds since the MacOS epoch (Jan 1, 1904),
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# or Unix/POSIX time + 2082844800.
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0 name aportisdoc
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# date is supposed to be big-endian seconds since 1 Jan 1904, but many
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# files contain the timestamp in little-endian or a completely
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# nonsensical value...
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#>36 bedate-2082844800 >0 \b, created %s
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# compression: 1=uncomp, 2=orig, 0x4448=HuffDic
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>(78.L) beshort =1 \b, uncompressed
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# compressed
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>(78.L) beshort >1
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>>(78.L+4) belong x \b, %d bytes uncompressed
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# appl
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#60 string appl PalmOS application
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#>0 string >\0 "%s"
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# HACK
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#60 string HACK HackMaster hack
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#>0 string >\0 "%s"
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# iSiloX e-book
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60 string SDocSilX iSiloX E-book
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>0 string >\0 "%s"
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# Mobipocket (www.mobipocket.com), donated by Carl Witty
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# expanded by Ralf Brown
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60 string BOOKMOBI Mobipocket E-book
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!:mime application/x-mobipocket-ebook
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# MobiPocket stores a full title, pointed at by the belong at offset
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# 0x54 in its header at (78.L), with length given by the belong at
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# offset 0x58.
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# there's no guarantee that the title string is null-terminated, but
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# we currently can't specify a variable-length string where the length
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# field is not at the start of the string; in practice, the data
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# following the string always seems to start with a zero byte
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>(78.L) belong x
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>>&(&0x50.L-4) string >\0 "%s"
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>0 use aportisdoc
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>>(78.L+0x68) belong >0 \b, version %d
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>>(78.L+0x1C) belong !0 \b, codepage %d
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>>(78.L+0x0C) beshort >0 \b, encrypted (type %d)
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# AportisDoc/PalmDOC
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60 string TEXtREAd AportisDoc/PalmDOC E-book
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>0 string >\0 "%s"
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>0 use aportisdoc
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# Variety of PalmOS document types
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# Michael-John Turner <mj@debian.org>
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# Thanks to Hasan Umit Ezerce <humit@tr-net.net.tr> for his DocType
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60 string BVokBDIC BDicty PalmOS document
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>0 string >\0 "%s"
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60 string DB99DBOS DB PalmOS document
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>0 string >\0 "%s"
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60 string vIMGView FireViewer/ImageViewer PalmOS document
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>0 string >\0 "%s"
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60 string PmDBPmDB HanDBase PalmOS document
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>0 string >\0 "%s"
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60 string InfoINDB InfoView PalmOS document
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>0 string >\0 "%s"
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60 string ToGoToGo iSilo PalmOS document
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>0 string >\0 "%s"
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60 string JfDbJBas JFile PalmOS document
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>0 string >\0 "%s"
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60 string JfDbJFil JFile Pro PalmOS document
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>0 string >\0 "%s"
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60 string DATALSdb List PalmOS document
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>0 string >\0 "%s"
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60 string Mdb1Mdb1 MobileDB PalmOS document
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>0 string >\0 "%s"
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60 string PNRdPPrs PeanutPress PalmOS document
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>0 string >\0 "%s"
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60 string DataPlkr Plucker PalmOS document
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>0 string >\0 "%s"
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60 string DataSprd QuickSheet PalmOS document
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>0 string >\0 "%s"
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60 string SM01SMem SuperMemo PalmOS document
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>0 string >\0 "%s"
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60 string TEXtTlDc TealDoc PalmOS document
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>0 string >\0 "%s"
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60 string InfoTlIf TealInfo PalmOS document
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>0 string >\0 "%s"
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60 string DataTlMl TealMeal PalmOS document
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>0 string >\0 "%s"
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60 string DataTlPt TealPaint PalmOS document
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>0 string >\0 "%s"
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60 string dataTDBP ThinkDB PalmOS document
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>0 string >\0 "%s"
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60 string TdatTide Tides PalmOS document
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>0 string >\0 "%s"
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60 string ToRaTRPW TomeRaider PalmOS document
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>0 string >\0 "%s"
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# A GutenPalm zTXT etext for use on Palm Pilots (http://gutenpalm.sf.net)
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# For version 1.xx zTXTs, outputs version and numbers of bookmarks and
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# annotations.
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# For other versions, just outputs version.
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#
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60 string zTXT A GutenPalm zTXT e-book
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>0 string >\0 "%s"
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>(0x4E.L) byte 0
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>>(0x4E.L+1) byte x (v0.%02d)
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>(0x4E.L) byte 1
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>>(0x4E.L+1) byte x (v1.%02d)
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>>>(0x4E.L+10) beshort >0
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>>>>(0x4E.L+10) beshort <2 - 1 bookmark
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>>>>(0x4E.L+10) beshort >1 - %d bookmarks
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>>>(0x4E.L+14) beshort >0
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>>>>(0x4E.L+14) beshort <2 - 1 annotation
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>>>>(0x4E.L+14) beshort >1 - %d annotations
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>(0x4E.L) byte >1 (v%d.
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>>(0x4E.L+1) byte x %02d)
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# Palm OS .prc file types
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60 string libr
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# flags, only bit 0 or bit 6
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# https://en.wikipedia.org/wiki/PRC_%28Palm_OS%29
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# https://web.mit.edu/tytso/www/pilot/prc-format.html
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>0x20 beshort&0xffbe 0
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>>0 string >\0 Palm OS dynamic library data "%s"
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60 string ptch Palm OS operating system patch data
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>0 string >\0 "%s"
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# Mobipocket (www.mobipocket.com), donated by Carl Witty
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60 string BOOKMOBI Mobipocket E-book
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>0 string >\0 "%s"
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