Change: Add workaround for non-standard SSH ports

gvm/connections.py

@@ -243,7 +243,10 @@ def _ssh_authentication_input_loop(
  add = input()
  while True:
  if add == "yes":
- hostkeys.add(self.hostname, key.get_name(), key)
+ if self.port == 22:
+ hostkeys.add(self.hostname, key.get_name(), key)
+ elif self.port != 22:
+ hostkeys.add("[" + self.hostname + "]:" + str(self.port), key.get_name(), key)
  # ask user if the key should be added permanently
  print(
  f"Do you want to add {self.hostname} "
@@ -331,12 +334,21 @@ def _ssh_authentication(self) -> None:
  f"the known_hosts file: {e}"
  ) from None
  hostkeys = self._socket.get_host_keys()
- if not hostkeys.lookup(self.hostname):
- # Key not found, so connect to remote and fetch the key
- # with the paramiko Transport protocol
- key = self._get_remote_host_key()
-
- self._ssh_authentication_input_loop(hostkeys=hostkeys, key=key)
+ # Switch based on SSH Port
+ if self.port == 22:
+ if not hostkeys.lookup(self.hostname):
+ # Key not found, so connect to remote and fetch the key
+ # with the paramiko Transport protocol
+ key = self._get_remote_host_key()
+
+ self._ssh_authentication_input_loop(hostkeys=hostkeys, key=key)
+ elif self.port != 22:
+ if not hostkeys.lookup("[" + self.hostname + "]:" + str(self.port)):
+ # Key not found, so connect to remote and fetch the key
+ # with the paramiko Transport protocol
+ key = self._get_remote_host_key()
+
+ self._ssh_authentication_input_loop(hostkeys=hostkeys, key=key)
 
  def connect(self) -> None:
  """