cassiope wrote: > On Jan 2, 6:40 pm, Christian Heimes <li...@cheimes.de> wrote: >> cassiope wrote: >>> The strange thing is that even with the right user-id, I cannot seem >>> to write to the directory, getting an IOError exception. Changing the >>> directory to world-writable fixes this. I can confirm the uid and gid >>> for the script by having the script print these values just before >>> trying to create/write the file. Becoming the same lesser user, I >>> have no problem writing a file to the same directory. >> Are you able to write to the directory with the user id when you tried >> to create a file manually? > > Yes. Sorry that wasn't clear. > >> How are you changing the uid and gid of your script? IIRC you have to >> set the effective user id with os.seteuid() and os.setegid(). > > I'm changing the uid and gid in the daemon (which runs with root > permissions > until the fork and uid/gid change). The uid and gid are confirmed by > printing os.getuid() and os.getgid() in the script. > And what do os.geteuid() and os.getegid() report? I suppose it's possible there's some bizarre difference between the effective and actual process parameters. IS the filestore a local file system, or an NFS mount?
regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 PyCon is coming! Atlanta, Feb 2010 http://us.pycon.org/ Holden Web LLC http://www.holdenweb.com/ UPCOMING EVENTS: http://holdenweb.eventbrite.com/ -- http://mail.python.org/mailman/listinfo/python-list