port-sniffer

submissions/sashalavrus/port-sniffer/sniffer.py

@@ -0,0 +1,29 @@
+import socket
+import argparse
+
+if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser(description='This script displays available ports, for this host or IP',
+                                     epilog="Git: github.com/sashalavrus")
+    parser.add_argument('--ports', type=str, default="80-450", help="Enter range of ports(example: --ports 10-9999), by defult it's 80-450")
+    parser.add_argument('--host', type=str, default="www.google.com", help="Enter the host or IPv4 of host, by default it's www.google.com")
+    args = parser.parse_args()
+    ports = args.ports.split('-')
+    host = args.host
+    result = []
+    for i in range(int(ports[0]), int(ports[1])):
+        try:
+            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            s.settimeout(0.3)
+            s.connect((host, i))
+        except socket.error:
+            pass
+        else:
+            result.append(str(i))
+            s.close()
+
+    if not result:
+        print("Ups, something wrong. Maybe you enter wrong host or IP."
+              "If you need help call this script with argument --help")
+    else:
+        print("Port {0} is open".format(','.join(result)))