GNU bug report logs - #66519
b2sum, md5sum sha*sum etc broken on filenames including backslash

Previous Next

Package: coreutils;

Reported by: "Simon Richter M. Sc." <simon.richter <at> uni-paderborn.de>

Date: Fri, 13 Oct 2023 13:24:01 UTC

Severity: normal

Tags: notabug

Done: Pádraig Brady <P <at> draigBrady.com>

Bug is archived. No further changes may be made.

Full log

Message #10 received at control <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: "Simon Richter M. Sc." <simon.richter <at> uni-paderborn.de>,
 66519 <at> debbugs.gnu.org
Subject: Re: bug#66519: b2sum, md5sum sha*sum etc broken on filenames
 including backslash
Date: Fri, 13 Oct 2023 15:21:03 +0100

tag 66519 notabug
close 66519
stop

On 13/10/2023 13:31, Simon Richter M. Sc. wrote:
> I noticed some broken checksums with leading backslash and wrong
> filenames in my checksum files because the original filenames contained
> a backslash.
> 
> Way to reproduce:
> % touch test\\test.file
> % b2sum test\\test.file
> 
> expected output:
> 786a02f742015903c6c6fd852552d272912f4740e15847618a86e217f71f5419d25e1031afee585313896444934eb04b903a685b1448b755d56f701afe9be2ce
>    test\test.file
> 
> real broken output:
> \786a02f742015903c6c6fd852552d272912f4740e15847618a86e217f71f5419d25e1031afee585313896444934eb04b903a685b1448b755d56f701afe9be2ce
>    test\\test.file

This is expected.
File names with problematic characters like \n are escaped as above.
Note we escape '\' itself to provide some forward compatibility
to introduce escaping of other characters.

> Tested with coreutils 9.3 and coreutils 9.4 and LC_ALL=C
> Btw any chance we get b3sum included in coreutils?

Yes we'll look at this,
but it will only be provided through the `cksum -a blake3` interface.

cheers,
Pádraig
This bug report was last modified 1 year and 309 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.