On Tue, Jun 03, 2008 at 12:49:21PM +0100, Al Viro wrote: > On Tue, Jun 03, 2008 at 01:39:07PM +0200, Michael Kerrisk wrote: > > > > Is there anything else where the file descriptor's access mode allows > > > doing things on Linux, but the standard requires a permissions check > > > each time? > > > > Jamie, > > > > I can't think of examples offhand -- but I'm also not quite sure what > > your question is about. Could you say a little more? > > "Is anything else equally stupid?", I suspect... AFAICS, behaviour in > question is inherited from futimes(2) in one of the *BSD - nothing to > do about that now (at least 10 years too late). It's rather inconsistent > with a lot of things, starting with "why utimes(2) has weaker requirements > with NULL argument", but we are far too late to fix that. PS: as far as I can reconstruct what had happened there, they've got these checks buried directly in ufs_setattr() and its ilk, which worked for utimes(2), but had bitten them when they tried to do descriptor-based analog... -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
