add port testing script

Author: Ch3LL

testing/open-ports.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+declare -a ports=("4505" "4506")
+_SETUP_PORTS=False
+_TEST_PORTS=False
+
+while getopts "i:st" opt; do
+  case $opt in
+    i)
+      HOST=${OPTARG}
+      echo "Testing ports on host ${HOST}" >&2
+      ;;
+    s)
+      _SETUP_PORTS=True
+      echo "Setting up listening ports" >&2
+      ;;
+    t)
+      _TEST_PORTS=True
+      echo "Testing ports on host ${HOST}" >&2
+      ;;
+    \?)
+      echo "Invalid option: -$OPTARG" >&2
+      ;;
+  esac
+done
+
+function result {
+    RESULT=$1
+    PORT=$2
+    case $RESULT in
+        0)
+            echo "The access to $PORT was successful"
+            ;;
+        1)
+            echo "The access to $PORT failed"
+            exit
+            ;;
+        *)
+            echo "Unknown exit error for the $PORT command. Exiting script."
+            exit
+            ;;
+    esac
+}
+
+function test_ports {
+    for port in "${ports[@]}"; do
+        test_port=$(nc -z ${HOST} ${port})
+        rc=$?
+        result $rc port_${port}
+    done
+}
+
+function start_ports {
+    for port in ${ports}; do
+        test_port=$(nc -lk ${port} &)
+    done
+}
+
+if [ ${_SETUP_PORTS} = True ]; then
+    start_ports
+elif [ ${_TEST_PORTS} = True ]; then
+    test_ports
+fi