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IDProjectCategoryView StatusLast Update
0000668fileGeneralpublic2025-06-11 02:20
ReporterIdrissyaifudin Assigned To 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Product Version5.45 
Summary0000668: file misidentifies RAR version 7 archives as version 5
DescriptionThe file utility (version 5.45) incorrectly identifies RAR version 7 files as version 5. While the format name may still be "RAR 5", version 7 introduces format changes (e.g., large dictionary support) that should be reflected in the identification
Steps To Reproduce$ rar a -md8G -r v7test.rar *
$ file v7test.rar
v7test.rar: RAR archive data, v5
v7test.rar: RAR archive data, v7
Additional InformationIF (compression_information & 0x003f > 0) THEN RETURN v7
ELSE IF (compression_information & 0x7c00 > 15) THEN RETURN v7

The file utility already supports varint, so it should be possible to implement this logic in Magdir/archive.
Tagsbug, compression, magic, rar

Activities

Idrissyaifudin

2025-06-11 02:15

reporter  

Screenshot_2025-06-11_090404.png (244,059 bytes)   
Screenshot_2025-06-11_090404.png (244,059 bytes)   

Issue History

Date Modified Username Field Change
2025-06-11 02:15 Idrissyaifudin New Issue
2025-06-11 02:15 Idrissyaifudin Tag Attached: bug
2025-06-11 02:15 Idrissyaifudin Tag Attached: compression
2025-06-11 02:15 Idrissyaifudin Tag Attached: magic
2025-06-11 02:15 Idrissyaifudin Tag Attached: rar
2025-06-11 02:15 Idrissyaifudin File Added: Screenshot_2025-06-11_090404.png