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    SubjectRe: [PATCH] Smackv10: Smack rules grammar + their stateful parser
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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
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