examples: add example for listing connections

2010-04-28 18:39:42 -07:00
parent 17e0749c76
commit 257b4b34da
2 changed files with 116 additions and 1 deletions
--- a/examples/python/list-connections.py
+++ b/examples/python/list-connections.py
@@ -0,0 +1,112 @@
+#!/bin/env python
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2010 Red Hat, Inc.
+#
+
+import dbus
+
+# This example asks both the system settings service and the user settings
+# service for all configured connections.  It also asks for secrets, demonstrating
+# the mechanisms each settings service uses to prevent unauthorized access to
+# a user's network passwords
+
+bus = dbus.SystemBus()
+
+def merge_secrets(proxy, config, setting_name):
+    try:
+        # returns a dict of dicts mapping name::setting, where setting is a dict
+        # mapping key::value.  Each member of the 'setting' dict is a secret
+        secrets = proxy.GetSecrets(setting_name, [], False)
+
+        # Copy the secrets into our connection config
+        for setting in secrets:
+            for key in secrets[setting]:
+                config[setting_name][key] = setting[key]
+    except Exception, e:
+        pass
+
+def dict_to_string(d, indent):
+    # Try to trivially translate a dictionary's elements into nice string
+    # formatting.
+    dstr = ""
+    for key in d:
+        val = d[key]
+        str_val = ""
+        add_string = True
+        if type(val) == type(dbus.Array([])):
+            for elt in val:
+                if type(elt) == type(dbus.Byte(1)):
+                    str_val += "%s " % int(elt)
+                elif type(elt) == type(dbus.String("")):
+                    str_val += "%s" % elt
+        elif type(val) == type(dbus.Dictionary({})):
+            dstr += dict_to_string(val, indent + "    ")
+            add_string = False
+        else:
+            str_val = val
+        if add_string:
+            dstr += "%s%s: %s\n" % (indent, key, str_val)
+    return dstr
+
+def connection_to_string(config):
+    # dump a connection configuration to a the console
+    for setting_name in config:
+        print "        Setting: %s" % setting_name
+        print dict_to_string(config[setting_name], "            ")
+    print ""
+
+
+def print_one_services_connections(service_name, desc):
+    # Ask the settings service for the list of connections it provides
+    proxy = bus.get_object(service_name, "/org/freedesktop/NetworkManagerSettings")
+    settings = dbus.Interface(proxy, "org.freedesktop.NetworkManagerSettings")
+    connection_paths = settings.ListConnections()
+
+    print "%s connections --------------------------------------------\n" % desc
+
+    # List each connection's name, UUID, and type
+    for path in connection_paths:
+        con_proxy = bus.get_object(service_name, path)
+        connection = dbus.Interface(con_proxy, "org.freedesktop.NetworkManagerSettings.Connection")
+        config = connection.GetSettings()
+
+        # Now get secrets too; we grab the secrets for each type of connection
+        # (since there isn't a "get all secrets" call because most of the time
+        # you only need 'wifi' secrets or '802.1x' secrets, not everything) and
+        # merge that into the configuration data
+        connection_secrets = dbus.Interface(con_proxy, "org.freedesktop.NetworkManagerSettings.Connection.Secrets")
+        merge_secrets(connection_secrets, config, '802-11-wireless')
+        merge_secrets(connection_secrets, config, '802-11-wireless-security')
+        merge_secrets(connection_secrets, config, '802-1x')
+        merge_secrets(connection_secrets, config, 'gsm')
+        merge_secrets(connection_secrets, config, 'cdma')
+        merge_secrets(connection_secrets, config, 'ppp')
+
+        # Get the details of the 'connection' setting
+	s_con = config['connection']
+	print "name: %s" % s_con['id']
+	print "    uuid: %s" % s_con['uuid']
+	print "    type: %s" % s_con['type']
+	print "    ----------------------------"
+        connection_to_string(config)
+
+    print ""
+
+# Print out connection information for all connections
+print_one_services_connections("org.freedesktop.NetworkManagerSystemSettings", "System")
+print_one_services_connections("org.freedesktop.NetworkManagerUserSettings", "User")
+