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ru.linux
- RU.LINUX ---------------------------------------------------------------------
From : Ilya Anfimov 2:5020/400 15 Feb 2007 08:57:49
To : Alexey Vissarionov
Subject : Re: ëèíóõ â øêîëå
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2007-02-14, Alexey Vissarionov <Alexey.Vissarionov@f545.n5020.z2.fidonet.org>
ïèøåò:
> Äîáðîãî âðåìåíè ñóòîê, Artem!
>
> 14 Feb 07 20:33, Artem Chuprina -> Alexey Vissarionov:
>
> AV>> ß ïðî òî, ÷òî äëÿ âûøåïðèâåäåííîãî ïðèìåðà êîä âèäà
> AV>> if (!(count%=8))
> AV>> printf(line);
> AV>> count=count+1;
> AV>> äîëæåí îöåíèâàòüñÿ íå íèæå, ÷åì
> AV>> ((count&=0x07)||fputs(line,stdout));
> AV>> count++;
> AV>> Áîëåå òîãî, àôôòàðó âòîðîãî ôðàãìåíòà ìîæíî äàæå ñíèçèòü îöåíêó çà
> AV>> òî, ÷òî èçìåíåíèå ÒÇ (íàïðèìåð, "ïå÷àòàòü êàæäóþ 9-þ ñòðî÷êó")
> AV>> ïîòðåáóåò ñóùåñòâåííûõ èçìåíåíèé êîäà.
> AC> À ïåðâîìó ñðàçó ïàðó âëåïèòü çà ñîçäàíèå format string vulnerability.
>
> Âîò âåäü õèòðàÿ æîïà... óâèäåë, ÷òî êîä äëÿ ìåíÿ íåõàðàêòåðíûé.
> ß óæ íå ñòàë "ïîëíûé" âàðèàíò ñ gets() ïðèâîäèòü... :-)
Êîñÿê â òîì, ÷òî òû íå óâèäåë äûðêó -- õîòÿ îïûò ñ Ñ ó òåáÿ
áîëüøý ïîäàâëÿþùåãî áîëüøûíñòâà ó÷èòåëåé èíôîðìàòèêè.
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* Origin: Demos online service (2:5020/400)
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