| sean finney on 10 Jul 2007 18:30:36 -0000 |
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heya, On Tuesday 10 July 2007 01:15:34 Rich Stevens wrote: > I was reading djb's 2004 MCS 494 final exam ( > http://cr.yp.to/2004-494/1209.pdf). Problem 2, 5, and 7 really have me > going (because i think i understand these scenarios) > Any Ideas? Try to only give small hints so that the less gifted of us > still have a chance. to give some hints: 2 - don't think about what you'd need to have in evil.c, since a simple unix command could do the equivalent trick. another hint: this couldn't be done if the script used /root/new-configs :) 5 - this one has bitten practically everyone who's ever used find+xargs more than once. think about what the "free variable" in this equation is (i.e., what's not completely in your control). take a read through "man xargs" if you're still stumped; there's an option that might give you a good hint. 7 - this is really just a variation of problem 5. repeat the above process. sean Attachment:
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