Date: Mon, 9 Feb 2004 18:02:49 +0100 (CET) From: Harti Brandt <brandt@fokus.fraunhofer.de> To: Dan Nelson <dnelson@allantgroup.com> Cc: Tim Kientzle <kientzle@acm.org> Subject: Re: Odd ACL question Message-ID: <20040209180059.J33455@beagle.fokus.fraunhofer.de> In-Reply-To: <20040209164216.GA26419@dan.emsphone.com> References: <4025A0DD.2010607@acm.org> <20040208134125.L28775@beagle.fokus.fraunhofer.de> <20040209122341.S32427@beagle.fokus.fraunhofer.de> <20040209164216.GA26419@dan.emsphone.com>
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On Mon, 9 Feb 2004, Dan Nelson wrote: DN>In the last episode (Feb 09), Harti Brandt said: DN>> On Sun, 8 Feb 2004, Tim Kientzle wrote: DN>> TK>On Sat, 7 Feb 2004, Tim Kientzle wrote: DN>> TK>>Joerg Schilling's "star" archives ACLs as follows: DN>> TK>> DN>> TK>>"user::rwx,group::r--,group:mail:rw-:6,mask::rw-,other::r--" DN>> TK>> DN>> TK>>Note the "group:mail:rw-:6" entry that contains a fourth DN>> TK>>field with the uid/gid number. ... DN>> TK> DN>> TK> * If the username exists and the UID conflicts with the local DN>> TK> system, ??? DN>> TK> DN>> TK>This last case is the tough one. My temptation: map it to DN>> TK>an unused UID, issue a warning about the remap, and keep going. DN>> DN>> That may cause the problem I described. This may leave a file in a DN>> user directory that the user cannot delete without intervention of DN>> the root user, but its probably the simplest solution. What about DN>> non-existing groups? DN> DN>Any file that a user creates, that user can delete. If you're talking DN>about a root user extracting something into a user's directory, that's DN>different, but you have the same problem even without ACLs. Yes, the question was, what to do with a file whose UID does not exist on the system. And, yes, this is about the root user. If you restore a file server for a couple of hundereds or thousands of user you probably don't want to fix undeleteable (by the users) file handish. harti -- harti brandt, http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private brandt@fokus.fraunhofer.de, harti@freebsd.org
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