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NET-CAT

This project consists on recreating the NetCat in a Server-Client Architecture that can run in a server mode on a specified port listening for incoming connections, and it can be used in client mode, trying to connect to a specified port and transmitting information to the server.

Usage/Examples

Run server locally

go run cmd/main.go
2023/01/23 15:23:31 Listening on the 127.0.0.1:8989
go run cmd/main.go 2525
2023/01/23 15:23:31 Listening on the 127.0.0.1:2525
go run cmd/main.go localhost 2525
[USAGE]: ./TCPChat $port
go run cmd/main.go abc
2023/01/23 15:25:54 port should be a number, listen tcp: lookup tcp/qwe: Servname not supported for ai_socktype
exit status 1

Client example

nc $IP $port
Welcome to TCP-Chat!
         _nnnn_
        dGGGGMMb
       @p~qp~~qMb
       M|@||@) M|
       @,----.JM|
      JS^\__/  qKL
     dZP        qKRb
    dZP          qKKb
   fZP            SMMb
   HZM            MMMM
   FqM            MMMM
 __| ".        |\dS"qML
 |    `.       | `' \Zq
_)      \.___.,|     .'
\____   )MMMMMP|   .'
     `-'       `--'
[ENTER YOUR NAME]:

Client1 (Yenlik):

nc localhost 2525
Welcome to TCP-Chat!
         _nnnn_
        dGGGGMMb
       @p~qp~~qMb
       M|@||@) M|
       @,----.JM|
      JS^\__/  qKL
     dZP        qKRb
    dZP          qKKb
   fZP            SMMb
   HZM            MMMM
   FqM            MMMM
 __| ".        |\dS"qML
 |    `.       | `' \Zq
_)      \.___.,|     .'
\____   )MMMMMP|   .'
     `-'       `--'
[ENTER YOUR NAME]: Yenlik
[2020-01-20 16:03:43][Yenlik]:hello
[2020-01-20 16:03:46][Yenlik]:How are you?
[2020-01-20 16:04:10][Yenlik]:
Lee has joined our chat...
[2020-01-20 16:04:15][Yenlik]:
[2020-01-20 16:04:32][Lee]:Hi everyone!
[2020-01-20 16:04:32][Yenlik]:
[2020-01-20 16:04:35][Lee]:How are you?
[2020-01-20 16:04:35][Yenlik]:great, and you?
[2020-01-20 16:04:41][Yenlik]:
[2020-01-20 16:04:44][Lee]:good!
[2020-01-20 16:04:44][Yenlik]:
[2020-01-20 16:04:50][Lee]:alright, see ya!
[2020-01-20 16:04:50][Yenlik]:bye-bye!
[2020-01-20 16:04:57][Yenlik]:
Lee has left our chat...

Client2 (Lee):

nc localhost 2525
Yenliks-MacBook-Air:simpleTCPChat ybokina$ nc localhost 2525
Yenliks-MacBook-Air:simpleTCPChat ybokina$ nc localhost 2525
Welcome to TCP-Chat!
         _nnnn_
        dGGGGMMb
       @p~qp~~qMb
       M|@||@) M|
       @,----.JM|
      JS^\__/  qKL
     dZP        qKRb
    dZP          qKKb
   fZP            SMMb
   HZM            MMMM
   FqM            MMMM
 __| ".        |\dS"qML
 |    `.       | `' \Zq
_)      \.___.,|     .'
\____   )MMMMMP|   .'
     `-'       `--'
[ENTER YOUR NAME]: Lee
[2020-01-20 16:03:43][Yenlik]:hello
[2020-01-20 16:03:46][Yenlik]:How are you?
[2020-01-20 16:04:15][Lee]:Hi everyone!
[2020-01-20 16:04:32][Lee]:How are you?
[2020-01-20 16:04:35][Lee]:
[2020-01-20 16:04:41][Yenlik]:great, and you?
[2020-01-20 16:04:41][Lee]:good!
[2020-01-20 16:04:44][Lee]:alright, see ya!
[2020-01-20 16:04:50][Lee]:
[2020-01-20 16:04:57][Yenlik]:bye-bye!
[2020-01-20 16:04:57][Lee]:^C

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