pcap-test

This is the assignment repository for the System Network Security course held at Korea University in Spring 2024. Below are the requirements for the assignment:

Assignment

Write a program that captures packets and prints important information including:

• Ethernet Header - src mac / dst mac
• IP Header - src ip / dst ip
• TCP Header - src port / dst port
• Payload(Data) - hexadecimal value (MAX 20 bytes)

Instructions

make
./pcap-test wlan0

Details

• Print the information above only when TCP packets are captured.
• Use network library or define custom structures for packet header structure.

Additional

You should also upload the project file(Makefile) along with source code files.