Add testinp binary

Makefile

@@ -13,6 +13,9 @@ server:
 client:
 	go build -o ./bin/$@ ./cmd/$@
 
+testinp:
+	go build -o ./bin/$@ ./cmd/$@
+
 gen_test_certs:
 	openssl ecparam -genkey -name prime256v1 -out server.key
 	openssl req -new -x509 -key server.key -out server.pem -days 3650

cmd/testinp/main.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"bufio"
+	"log"
+	"os"
+
+	"golang.org/x/term"
+)
+
+func main() {
+	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+	if err != nil {
+		panic(err)
+	}
+	defer term.Restore(int(os.Stdin.Fd()), oldState)
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		r, _, err := reader.ReadRune()
+		if err != nil {
+			panic(err)
+		}
+		log.Printf("Read %c ; %d as rune\r\n", r, r)
+
+		// CTRL + C
+		if r == 3 {
+			break
+		}
+	}
+}