# $File: misctools,v 1.21 2023/02/03 20:43:48 christos Exp $

#-----------------------------------------------------------------------------
# $File: misctools,v 1.21 2023/02/03 20:43:48 christos Exp $
# misctools: file(1) magic for miscellaneous UNIX tools.
#
0 search/1 %%!! X-Post-It-Note text
# URL: http://fileformats.archiveteam.org/wiki/ICalendar
# https://en.wikipedia.org/wiki/ICalendar
# Update: Joerg Jenderek
# Reference: https://www.rfc-editor.org/rfc/rfc5545
# http://mark0.net/download/triddefs_xml.7z/defs/v/vcs.trid.xml
# Note: called "iCalendar - vCalendar" by TrID
0 string/c BEGIN:vcalendar
# skip DROID fmt-387-signature-id-572.vcs fmt-388-signature-id-573.ics
# with invalid separator 0x0 or 0xAB instead of CarriageReturn (0x0D) or LineFeed (0x0A)
>15 ubyte&0xF8 =0x08
# look for VERSION keyword often on second line but sometimes later as in holidays_NRW_2014.ics
>>0 search/188 VERSION
# after VERSION keword :1.0 or often :2.0 but sometimes also ;VALUE=TEXT:2.0 like in Jewish religious Juish.ics
# http://www.webcal.guru/de-DE/kalender_herunterladen?calendar_instance_id=217
# \n\040:2.0 like in import-real-world-2004-11-19.ics found at
# https://ftp.gnu.org/gnu/emacs/emacs-28.1.tar.xz
# emacs-28.1/test/lisp/calendar/icalendar-resources/import-real-world-2004-11-19.ics
#>>>&0 string x AFTER_VERSION=%.15s
# Note: called "Internet Calendar and Scheduling format" by DROID via PUID fmt/388
# skip optional verparam=;other-param like ;VALUE=TEXT and look for version 2.0 that implies iCalendar variant
>>>&0 search/81 :2.0 iCalendar calendar
# look for Free/Busy component
>>>>15 search/278 :VFREEBUSY file, with Free/Busy component
!:mime text/calendar
!:apple ????iFBf
# no real examples found but only example on Wikipedia page
!:ext ifb
# iCalendar calendar without Free/Busy component
>>>>15 default x
# look for ALARM component
>>>>>15 search/154 :VALARM file, with ALARM component
!:mime text/calendar
!:apple ????iCal
# found on macOS beneath /Users/$USER/Library/Calendars/ as EventAllDayAlarms.icsalarm or EventTimedAlarms.icsalarm
# no isc examples found
!:ext icsalarm/ics
# iCalendar calendar without Free/Busy component and ALARM component
>>>>>15 default x file
!:mime text/calendar
!:apple ????iCal
# no examples found with .ical .icalender suffix
!:ext ics
# if no VERSION 2.0 is found then assume it is VERSION 1.0, that is older vCalendar
# URL: http://fileformats.archiveteam.org/wiki/VCalendar
# Note: called "VCalendar format" by DROID via fmt/387
>>>&0 default x vCalendar calendar file
# deprecated
!:mime text/x-vcalendar
!:ext vcs
# GRR: without VERSION keyword violates specification but accepted by Thunderbird like
# https://ftp.gnu.org/gnu/emacs/emacs-28.1.tar.xz
# emacs-28.1/test/lisp/calendar/icalendar-resources/import-with-timezone.ics
>>0 default x vCalendar calendar file, without VERSION
!:mime text/x-vcalendar
#!:mime text/calendar
# no vcs example found
!:ext ics/vcs
# GRR: According to newest specification CarriageReturn (0xD) and LineFeed (0xA) should be used as separator but others accepted by Thunderbird
# like CRLF,LF in Sport Today.vcs created by calendar plugin of TV-Browser https://enwiki.tvbrowser.org/index.php/Calendar_Export
# or LF like https://www.schulferien.org/media/ical/deutschland/ferien_nordrhein-westfalen_2023.ics?k=foo
>>15 ubeshort !0x0D0A \b, without CRLF

# updated by Joerg Jenderek at Apr 2015, May 2021
# https://en.wikipedia.org/wiki/VCard
# URL: http://fileformats.archiveteam.org/wiki/VCard
# https://datatracker.ietf.org/doc/html/rfc6350
# the value is case-insensitive
0 string/c begin:vcard
# skip DROID fmt-395-signature-id-634.vcf
>13 string !VERSION:END vCard visiting card
# deprecated
#!:mime text/x-vcard
!:mime text/vcard
!:apple ????vCrd
!:ext vcf/vcard
# VERSION must come right after BEGIN for 3.0 or 4.0 except in 2.1 , where it can be anywhere
# Joerg_Jenderek_67.vcf
>>12 search/0x113b4/c version:
# VERSION 2.1 , 3.0 or 4.0
>>>&0 string x \b, version %-.3s
>>>&0 string !2.1
>>>>13 string !VERSION: \b, 2nd line does not start with VERSION:
# downcase violates RFC 6350, but some "bad" software produce such vcards
>>0 string !BEGIN \b, not up case
# http://ftp.mozilla.org/pub/thunderbird/candidates/
# 78.10.1-candidates/build1/source/thunderbird-78.10.1.source.tar.xz
# thunderbird-78.10.1/comm/mailnews/import/test/unit/resources/basic_vcard_addressbook.vcf
>>11 beshort !0x0D0A \b, lines not separated by CRLF

# Summary: Libtool library file
# Extension: .la
# Submitted by: Tomasz Trojanowski <[email protected]>
0 search/80 .la\ -\ a\ libtool\ library\ file libtool library file

# Summary: Libtool object file
# Extension: .lo
# Submitted by: Abel Cheung <[email protected]>
0 search/80 .lo\ -\ a\ libtool\ object\ file libtool object file

# From: Daniel Novotny <[email protected]>
# Update: Joerg Jenderek
# URL: https://en.wikipedia.org/wiki/Core_dump#User-mode_memory_dumps
# Reference: https://msdn.microsoft.com/en-us/library/ms680378%28VS.85%29.aspx
#
# "Windows Minidump" by TrID
# ./misctools (version 5.25) labeled the entry as "MDMP crash report data"
0 string MDMP Mini DuMP crash report
# https://filext.com/file-extension/DMP
!:mime application/x-dmp
!:ext dmp/mdmp
# The high-order word is an internal value that is implementation specific.
# The low-order word is MINIDUMP_VERSION 0xA793
>4 ulelong&0x0000FFFF !0xA793 \b, version %#4.4x
# NumberOfStreams 8,9,10,13
>8 ulelong x \b, %d streams
# StreamDirectoryRva 0x20
>12 ulelong !0x20 \b, %#8.8x RVA
# CheckSum 0
>16 ulelong !0 \b, CheckSum %#8.8x
# Reserved or TimeDateStamp
>20 ledate x \b, %s
# https://msdn.microsoft.com/en-us/library/windows/desktop/ms680519%28v=vs.85%29.aspx
# Flags MINIDUMP_TYPE enumeration type 0 0x121 0x800
>24 ulelong x \b, %#x type
# >24 ulelong >0 \b; include
# >>24 ulelong &0x00000001 \b data sections,
# >>24 ulelong &0x00000020 \b list of unloaded modules,
# >>24 ulelong &0x00000100 \b process and thread information,
# >>24 ulelong &0x00000800 \b memory information,

# Summary: abook addressbook file
# Submitted by: Mark Schreiber <[email protected]>
0 string #\x20abook\x20addressbook\x20file abook address book
!:mime application/x-abook-addressbook