On Dec 5, 2008, at 7:15 AM, Dennis Putnam wrote: > I have what I thought was a perl problem using Kerberos > authentication. However, after many emails with perl experts, the > consensus is that this is really a problem with the Kerberos library. > Hopefully, someone on this list will recognize the problem an can > suggest a solution. > > This particular script runs fine when executed from the command line > (I'm using OS X 10.4.11). When the same command is run from 'cron' or > 'at' the following error occurs: > > Credentials cache I/O operation failed XXX > > I am told that this error indicates there was a problem writing the > credentials cache file. The first thought was that it had to do with > permissions but the script does the same thing even running as root. > The second thought was that it had to do with an environment variable > but again that is not the case since perl runs in its own environment > so the variables are identical running from command line or 'cron'. At > that point, the author of the perl interface said that all his code > does is make standard Kerberos library calls. Since Apple uses the > standard MIT libraries, the conclusion is that this must be something > specific to the library rather then perl or the OS. Can anyone help? > TIA.
By default Kerberos on Mac OS X uses the API credentials cache format to store credentials. This credentials cache is only available from user sessions, not from daemon sessions like the one used by cron. I recommend using the environment variable KRB5CCNAME to specify a FILE credentials cache format and storing your tickets in that (eg: KRB5CCNAME=FILE:/tmp/tickets). Using the same FILE ccache from your perl script should work. --lxs Alexandra Ellwood <[EMAIL PROTECTED]> MIT Information Services & Technology <http://mit.edu/lxs/www> ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos