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Compiling dsniff 2.4 on Slackware 13.37

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Jul
27

OK basically this is just to share how I compiled dsniff 2.4 in my box.

wget http://monkey.org/~dugsong/dsniff/beta/dsniff-2.4b1.tar.gz
tar -zxf dsniff-2.4b1.tar.gz cd dsniff-2.4
./configure
./make

during make, I encountered this error.

Error

./sshow.c:226: error: (Each undeclared identifier is reported only once
./sshow.c:226: error: for each function it appears in.)
./sshow.c: In function 'server_to_client':
./sshow.c:274: error: 'CLK_TCK' undeclared (first use in this function)

Below is the fix.

You have to use CLOCKS_PER_SEC instead of CLK_TCK.

According to /usr/include/time.h, CLK_TCK is the “obsolete POSIX.1-1988 name” for CLOCKS_PER_SEC.

Please also change this.The function arp_cache_lookup does not use the correct interface when running under Linux .. it always uses interface “eth0”.

cd to dsniff-2.4, find arp.c and edit the following:

strncpy(ar.arp_dev, "eth0", sizeof(ar.arp_dev));

to

strncpy(ar.arp_dev, "wlan0", sizeof(ar.arp_dev));

Save the file and recompile dsniff.

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