On Wed, 2007-08-15 at 21:00 -0400, Steve Grubb wrote: > On Wednesday 15 August 2007 20:56:10 Steve Dickson wrote: > > Now If I'm not mistaken, its been legal since the 70s to use > > O_CREAT without a mode because (depending on the OS) the mode > > of parent directory will be used (or something similar)... > > The problem is that without a mode being passed, the kernel uses whatever the > stack contents are. And yes, its conceivable the stack contents could create > a world writable setuid file which cannot ever be the intended operation. So then why not default to a mode of 0 instead, which will do the equivalent of bolting a big, flashing "BROKEN" sign to the app? -- Ignacio Vazquez-Abrams <ivazqueznet@xxxxxxxxx>
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