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Posted to dev@tika.apache.org by "Gregory Lepore (Jira)" <ji...@apache.org> on 2023/06/13 13:27:00 UTC
[jira] [Updated] (TIKA-4069) Add magic for Mach-O format
[ https://issues.apache.org/jira/browse/TIKA-4069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gregory Lepore updated TIKA-4069:
---------------------------------
Description:
The Mach-O format occurs 542 times in the latest Common Crawl dataset. There is no known mime type for this format.
There are two signatures, FEEDFACF and CFFAEDFE at offset 0.
https://www.nationalarchives.gov.uk/PRONOM/fmt/693
||External signatures| |
||Internal signatures||
||Name|Mach-O 64 bit 1|
||Description|BOF: þíúÏ (0xFEEDFACF)|
||Byte sequences||
||Position type|Absolute from BOF|
||Offset|0|
||Maximum Offset|0|
||Byte order| |
||Value|FEEDFACF|
||Name|Mach-O 64 bit 2|
||Description|BOF: Ïúíþ (0xCFFAEDFE)|
||Byte sequences||
||Position type|Absolute from BOF|
||Offset|0|
||Maximum Offset|0|
||Byte order| |
||Value|CFFAEDFE|
was:
The Mach-O format occurs 542 times in the latest Common Crawl dataset. There is no known mime type for this format.
There are two signatures, FEEDFACF and CFFAEDFE at offset 0.
||External signatures| |
||Internal signatures|
||Name|Mach-O 64 bit 1|
||Description|BOF: þíúÏ (0xFEEDFACF)|
||Byte sequences|
||Position type|Absolute from BOF|
||Offset|0|
||Maximum Offset|0|
||Byte order| |
||Value|FEEDFACF|
|
||Name|Mach-O 64 bit 2|
||Description|BOF: Ïúíþ (0xCFFAEDFE)|
||Byte sequences|
||Position type|Absolute from BOF|
||Offset|0|
||Maximum Offset|0|
||Byte order| |
||Value|CFFAEDFE|
|
|
> Add magic for Mach-O format
> ---------------------------
>
> Key: TIKA-4069
> URL: https://issues.apache.org/jira/browse/TIKA-4069
> Project: Tika
> Issue Type: Sub-task
> Reporter: Gregory Lepore
> Priority: Minor
> Attachments: 37e0d16dbb0fa8d6bf2b8d33961b7935dc6b33d4417b219a34310ab6d3b9bfff, 40b5136f6ebb48a90e7b97f44ffaa82a9fffb54793960dc1df375c9afec31bc3, 40b9fa81b05bdbfd378e4d130f0cd3cefa264800b66309a836cb06e61bd9526c
>
>
> The Mach-O format occurs 542 times in the latest Common Crawl dataset. There is no known mime type for this format.
> There are two signatures, FEEDFACF and CFFAEDFE at offset 0.
>
> https://www.nationalarchives.gov.uk/PRONOM/fmt/693
>
> ||External signatures| |
> ||Internal signatures||
> ||Name|Mach-O 64 bit 1|
> ||Description|BOF: þíúÏ (0xFEEDFACF)|
> ||Byte sequences||
> ||Position type|Absolute from BOF|
> ||Offset|0|
> ||Maximum Offset|0|
> ||Byte order| |
> ||Value|FEEDFACF|
> ||Name|Mach-O 64 bit 2|
> ||Description|BOF: Ïúíþ (0xCFFAEDFE)|
> ||Byte sequences||
> ||Position type|Absolute from BOF|
> ||Offset|0|
> ||Maximum Offset|0|
> ||Byte order| |
> ||Value|CFFAEDFE|
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