Dear Sirs/ Ma'ams,
I am an undergraduate student following the B Eng (Hons) Software
Engineering degree program at University of Westminster, UK. As for my
final year research project I am implementing a packet security
enhancement module.
The concept includes capturing of packets via the use of libnetfilter and apply
necessary security implementations. I was able to successfully capture packets
and extract it relevant data where I store the IP address as unsigned int.
However, I have the requirement of identifying the packets destination IP's
address family.
I tried many ways, which only lead me to user space implementations, not C
linux kernel module programming. During my research I just came across %pI4 and
%pI6 which formats and displays the Ip address, not give out its address
family, i. e. IPv6 or IPv4.
I would be really grateful if you experts would help me get through this
obstacle. any references or examples to identify the IP address family (IPv4/
IPv6) of the IP (which is store in unsigned int variables) will be highly
appreciated.
Thank you,
Best Regards,
H. Hasitha Shan
P.S. I apologize in advance if this question has an obvious answer, but as I am
a novice in this area, my research lead me to dead ends for weeks and your help
will be very much appreciated.
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