IOError - cannot create file (linux daemon-invoked script)
fpm at u.washington.edu
Mon Jan 4 18:16:52 CET 2010
On Jan 4, 7:46 am, Nobody <nob... at nowhere.com> wrote:
> On Sun, 03 Jan 2010 13:56:24 -0800, cassiope wrote:
> > 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.
> Those tell you the *real* UID/GID. Filesystem checks are performed using
> the *effective* UID/GID.
> You need to set them with seteuid/setegid and check them with
To Cameron: the file doesn't (yet) exist; and it has the correct full
To "Nobody" : hey, this seems interesting. First test, invoking
and setegid() didn't help - but strange thing was these calls didn't
up in the strace, so perhaps I wasn't testing what I thought I was.
have to check this later as people are now back to work and needing
daemon for its other functions...
Thanks for your ideas! I'll be checking it more later...
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