Detlev Zundel wrote: >> Thanks for the report, but that is the documented behavior: >> >> info coreutils 'file perm' dir > > Ah, oh. I didn't know this. This actually violates the principle of > least surprise in my eyes, but hey, if it is documented, I am ok with > it. > > Thinking some more about it, isn't the behaviour then wrong by clearing > the set-uid bit? > > The doc says: > > If you want to try to clear these bits, you must mention them > explicitly in a symbolic mode, e.g.: > > But if I review my example, then I first set suid+sgid, then do a chmod > 0 and suid is still set, but not suid: > > d...@ohwell:tmp[0]$ mkdir foo ; $p/chmod 3777 foo ; ls -ld foo ; $p/chmod 0 > foo ; ls -ld foo > drwxrwsrwt 2 dzu dzu 4096 2009-03-13 15:28 foo > d-----S--- 2 dzu dzu 4096 2009-03-13 15:28 foo > > Isn't this still a bug alas the other way round then I originally > thought?
I don't think so. The documentation doesn't say that is the only way to clear those bits. The chmod system call itself may clear them, too, but that is system- dependent. _______________________________________________ Bug-coreutils mailing list Bug-coreutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-coreutils
