ft_ping

42 school ft_ping project.

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Disclaimer: This project was developped for a purely pedagogic purpose. It is not meant to replace your system's ping command.

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Summary

A partial rewriting of inetutils2.0's ping command written in c for linux.

The objective of this project was to use and understand the IP and ICMP protcols.

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Building and usage

Dependencies

This project requires Make and the gcc compiler. The executable requires capabalities to open RAW sockets

Building

git clone https://github.com/TheoSignore/ft_ping
cd ft_ping
make
sudo setcap cap_net_raw,cap_net_admin=eip ./ft_ping

Usage

Display help: ./ft_ping -?

./ft_ping [-v] <HOST>

-v: optional verbose mode

HOST: can be

1. a valid IPv4 address
2. a fully qualified domain name (FQDN) associated with a valid IPv4 address

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Description

Sends ICMP_ECHO requests to a network host and uses the possible replies to compute loss and latency statistics.

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Written by Théo Signore