Messages in this thread | | | Date | Mon, 5 Nov 2007 11:41:25 +0200 | Subject | Re: [PATCH] Smackv10: Smack rules grammar + their stateful parser | From | "Ahmed S. Darwish" <> |
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On Sun, Nov 04, 2007 at 12:28:48PM +0000, Pavel Machek wrote: > Hi! > > > > Still to come: > > > > > > - Final cleanup of smack_load_write and smack_cipso_write. > > > > Hi All, > > > > After agreeing with Casey on the "load" input grammar yesterday, here's > > the final grammar and its parser (which needs more testing): > > > > A Smack Rule in an "egrep" format is: > > > > "^[:space:]*Subject[:space:]+Object[:space:]+[rwxaRWXA-]+[:space:]*\n" > > > > where Subject/Object strings are in the form: > > > > "^[^/[:space:][:cntrl:]]{1,SMK_MAXLEN}$" > > Can we avoid string parsers in the kernel? >
Ok, Could someone suggest a better idea please ?.
I thought about packing the rules in a structure and sending it over an ioctl() command. Is this applicable ?
> > > +static inline int isblank(char c) > > +{ > > + return (c == ' ' || c == '\t'); > > +} > > This sounds like enough for 'NAK'. > > Pavel, > who still thinks smack rules should be parsed > in userspace and compiled into selinux rules... > > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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