jasonlai · March 27, 2018 20:18
diff --git a/telnet-backend.sh b/telnet-backend.sh
 # Session 3
 sudo setsid bash -l < /var/run/my-telnet > /var/run/my-telnet 2>&1 # Bash expects itself as a session leader
diff --git a/telnet-client.sh b/telnet-client.sh
 # Client - Session 2
 nc $HOST_OF_SESSION1 1234 # After the connection is established the pty link is created on the host of the socat process
diff --git a/telnet-server.sh b/telnet-server.sh
 # Server - Session 1
 # Use `socat(1)` to listen on a TCP port, connecting its output to the input end of a PTY slave and input to the output end of the PTY slave
 sudo socat TCP-LISTEN:1234,reuseaddr PTY,link=/var/run/my-telnet,user="$(id -un)",group="$(id -gn)",waitslave
	# Session 3
	sudo setsid bash -l < /var/run/my-telnet > /var/run/my-telnet 2>&1 # Bash expects itself as a session leader
	# Client - Session 2
	nc $HOST_OF_SESSION1 1234 # After the connection is established the pty link is created on the host of the socat process
	# Server - Session 1
	# Use `socat(1)` to listen on a TCP port, connecting its output to the input end of a PTY slave and input to the output end of the PTY slave
	sudo socat TCP-LISTEN:1234,reuseaddr PTY,link=/var/run/my-telnet,user="$(id -un)",group="$(id -gn)",waitslave