On Mar 27 11:58, Brian Inglis wrote: > On 2020-03-26 14:05, Corinna Vinschen wrote: > > On Mar 26 13:12, Brian Inglis wrote: > >> On 2020-03-26 05:00, Corinna Vinschen wrote: > >>> On Mar 26 10:00, Thomas Wolff wrote: > >>>> A symbolic link created with WSL is neither interpreted in cygwin nor > >>>> can it > >>>> be deleted: > >>>>> touch file > >>>>> wsl ln -s file link > >>>>> wsl ls -l link > >>>> lrwxrwxrwx 1 towo towo 1 Mar 26 08:56 link -> file > >>>>> ls -l link > >>>> -rw-r----- 1 Unknown+User Unknown+Group 0 Mar 26 00:00 link > >>> What kind of file are they in the real world? Reparse points? If so, > >>> what content do they have? I attached a Q&D source from my vault > >>> of old test apps to check on reparse point content. Please compile with > >>> gcc -g ../src/rd-reparse.c -o rd-reparse -lntdll > >>> It takes a single native NT path as parameter, kind of like this: > >>> ./rd-reparse '\??\C:\cygwin64\home\corinna\link' > >> They should be WSL or Windows mklink (soft) links, and the reason why > >> mklink was > >> allowed unelevated in Windows 10 with Developer mode. > >> In an *elevated* shell: > >> $ ls -dln u > >> -rw-r----- 1 4294967295 4294967295 0 Nov 9 06:09 u > > ^^^^^^^^^^^^^^^^^^^^^ > > This is unknown user, unknown group, which means, the Windows > > function LookupAccountSid() probably returned a domain name which > > is unknown (neither account domain, nor primary, nor trusted domain). > > > > An strace of `ls -l u' may be helpful... > > Attached with startup environment, locale, and message setup cut (reduced by > 100KB), and rest sanitized as below. Could DM/PM original on request.
Thanks! This should already be fixed in the latest developer snapshot after I was finally able to install WSL myself. See my reply to Thomas in https://sourceware.org/pipermail/cygwin/2020-March/244211.html All the effects are a result of not opening the reparse point as reparse point, as weird as it sounds at first :) Corinna -- Corinna Vinschen Cygwin Maintainer
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