Date: Mon, 15 Mar 2004 17:02:56 -0800 From: Chris Pressey <cpressey@catseye.mine.nu> To: hugle <hugle@vkt.lt> Cc: freebsd-questions@freebsd.org Subject: Re: Need bash help Message-ID: <20040315170256.7ce277ad.cpressey@catseye.mine.nu> In-Reply-To: <130471393648.20040316014051@vkt.lt> References: <130471393648.20040316014051@vkt.lt>
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On Tue, 16 Mar 2004 01:40:51 +0200 hugle <hugle@vkt.lt> wrote: > Hello all. > I'm writing here, cause i think just here people can help me. > (p.s. didn't find bash mailing lists) > [...] > So what I wanna do is smth like: > > for i in `seq 1 254`; do > ./dc 192.168.1.$i > and if it returns 'Dropping to system shell' then add these IP to > vulderable_users done You could pipe the output of dc to grep and check the exit code. Something like: if ./dc 192.168.1.$i | grep 'Dropping to system shell'; then echo "192.168.1.$i" >> vulnerable_users fi YMMV, I haven't used bash; the above is sh, should work about the same. -Chris
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