我试图firewalld通过Pythondbus模块进行控制。

我想为当前的运行时以及永久配置添加一个IP地址到受信任的区域。

以下firewalld是dbus界面的文档：http
:
//manpages.ubuntu.com/manpages/wily/man5/firewalld.dbus.5.html

什么有效：运行时配置

我可以将其添加到运行时配置中：

def trustIP(ip):
    ''' firewalld must already be running '''
    from dbus import SystemBus
    bus = SystemBus()
    runtimeProxy = bus.get_object('org.fedoraproject.FirewallD1',
                                 '/org/fedoraproject/FirewallD1')
    runtimeProxy.addSource('trusted', ip)

很简单

什么不起作用：永久配置

事实证明，将其添加到永久配置中比较困难。到目前为止，我已经尝试过以下方式：

>>> from dbus import SystemBus
>>> bus = SystemBus()

# First I need to find out which object is for the trusted zone...
>>> config = bus.get_object('org.fedoraproject.FirewallD1',
                           '/org/fedoraproject/FirewallD1/config')
>>> config.getZoneByName('trusted')
dbus.ObjectPath('/org/fedoraproject/FirewallD1/config/zone/7')

>>> permanentProxy = bus.get_object('org.fedoraproject.FirewallD1', 
                                   '/org/fedoraproject/FirewallD1/config/zone/7')

# A quick check to make sure I have the right object:
>>> permanentProxy.getShort()
dbus.String(u'Trusted')

# Exactly what I expected, so move on and...
>>> permanentProxy.addSource('aaa.xxx.yyy.zzz')  # Actual ip removed...
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException:
    org.freedesktop.DBus.Python.dbus.exceptions.DBusException:
        dbus_to_python() takes exactly 1 argument (2 given)

我还尝试了检查permanentProxy.getDescription()，该检查返回了应有的描述，并且尝试permanentProxy.setDescription('test')了失败，并且堆栈跟踪与完全相同permanentProxy.addSource('aaa.xxx.yyy.zzz')。

我会得出一个结论，即该错误位于pythondbus模块中，并假定它以某种方式无法正确处理参数，除了runtimeProxy.addSource('trusted', ip)涉及两个参数且可以正常工作的事实。config.getZoneByName('trusted')甚至具有与永久代理.addSource（’aaa.xxx.yyy.zzz’）`相同的签名，并且只有一个字符串，并且可以完美地工作。

所以也许我缺少某种奇怪的东西？但是我不知道那会是什么…

我尝试过的更多东西没有成功

我考虑了可能完全addSource不使用字符串参数调用并且可能以某种方式咖喱的可能性，因此我尝试了以下方法：

>>> permanentProxy.addSource()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/slip/dbus/service.py", line 123, in reply_handler
    result = method(self, *p, **k)
TypeError: addSource() takes at least 2 arguments (2 given)

现在这甚至更奇怪了。我在另一个回溯中有一个回溯，坚持我需要传递至少两个参数，还说我给了它两个参数（实际上我只给了一个，所以怎么样想出两个吗？）

我尝试过的一些尝试均未成功：

>>> permanentProxy.addSource(dbus_interface='org.fedoraproject.FirewallD1.config.zone')
ERROR:dbus.connection:Unable to set arguments () according to signature u's': <type 'exceptions.TypeError'>: More items found in D-Bus signature than in Python arguments
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 641, in call_blocking
    message.append(signature=signature, *args)
TypeError: More items found in D-Bus signature than in Python arguments

>>> permanentProxy.addSource('aaa.xxx.yyy.zzz', dbus_interface='org.fedoraproject.FirewallD1.config.zone')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException:
    org.freedesktop.DBus.Python.dbus.exceptions.DBusException:
        dbus_to_python() takes exactly 1 argument (2 given)

>>> from dbus import Interface
>>> Interface(permanentProxy, 'org.fedoraproject.FirewallD1.config.zone').addSource('aaa.xxx.yyy.zzz')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException:
    org.freedesktop.DBus.Python.dbus.exceptions.DBusException:
        dbus_to_python() takes exactly 1 argument (2 given)

加！

这确实看起来像是一个错误dbus……某种程度上，它最初是错误地解决了，addSource并认为它需要更少的参数，但是如果给它更少的参数，它将通过错误的检查，然后正确地解决并失败，因为您的参数不匹配。

无论如何，这是我的理论。有人看到我没有的东西吗？如果确实存在此错误，有什么办法可以解决此错误？IE
…我可以在dbus上使用某种内部方法来强制它调用正确的方法吗？