bugThe GNU Hurd - Bugs: bug #19767, `setauth' doesn't really work


bug #19767: `setauth' doesn't really work

Submitter:  Thomas Schwinge <tschwinge>
Submitted:  Tue 01 May 2007 09:42:19 AM UTC
Category:  Hurd Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Reproducibility:  None
Size (loc):  None Planned Release:  None
Effort:  0.00
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Tue 01 May 2007 09:42:19 AM UTC, original submission:  

The only thing I was able to use it for was to provoke a system crash.

I tried to do a ``setauth -g devel'' after having created a `devel' group.  `setauth' asked me for a password -- what password does it want me to type in?

Running a plain ``setauth'' without any command line arguments made it iterate through all processes (I suppose), displaying either ``setauth: [pid]: Operation not permitted'' or ``setauth: [pid]: Cannot get auth port: (ipc/send) invalid destination port''.  The latter ones are the ids of processes that don't even exist anymore, as a comparison with ``ps -Af'' could tell me.

After that I was left with no ids:

$ ids
effective uids:
effective gids:
available uids:
available gids:

Running ``setauth -g devel'' again made the system crash.  (I can't reproduce this at the moment, however.)

Thomas Schwinge <tschwinge>
Project Administrator


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