Adding org.openbmc.NetworkManager dbus interface for network configuation.

1 files changed, 147 insertions, 0 deletions

diff --git a/netman.py b/netman.py
new file mode 100755
index 0000000..c63921f
--- /dev/null
+++ b/netman.py
@@ -0,0 +1,147 @@
+#!/usr/bin/env python
+
+from subprocess import call
+import sys
+import subprocess
+import dbus
+import string
+import os
+import fcntl
+import glib
+import gobject
+import dbus.service
+import dbus.mainloop.glib
+
+DBUS_NAME = 'org.openbmc.NetworkManager'
+OBJ_NAME = '/org/openbmc/NetworkManager/Interface'
+
+network_providers = {
+	'networkd' : { 
+		'bus_name' : 'org.freedesktop.network1',
+		'ip_object_name' : '/org/freedesktop/network1/network/default',
+		'hw_object_name' : '/org/freedesktop/network1/link/_31',
+		'interface_name' : 'org.freedesktop.network1.Network',
+		'method' : 'org.freedesktop.network1.Network.SetAddr'
+	},
+	'NetworkManager' : {
+		'bus_name' : 'org.freedesktop.NetworkManager',
+		'ip_object_name' : '/org/freedesktop/NetworkManager',
+		'hw_object_name' : '/org/freedesktop/NetworkManager',
+		'interface_name' : 'org.freedesktop.NetworkManager',
+		'method' : 'org.freedesktop.NetworkManager' # FIXME: 
+	},	
+}
+
+def getPrefixLen(mask):
+	prefixLen = sum([bin(int(x)).count('1') for x in mask.split('.')])
+	return prefixLen
+
+class IfAddr ():
+    def __init__ (self, family, scope, flags, prefixlen, addr, gw):
+        self.family     = family
+        self.scope      = scope
+        self.flags      = flags
+        self.prefixlen  = prefixlen
+        self.addr       = addr
+        self.gw         = gw
+
+class NetMan (dbus.service.Object):
+    def __init__(self, bus, name):
+        self.bus = bus
+        self.name = name
+        dbus.service.Object.__init__(self,bus,name)
+
+    def setNetworkProvider(self, provider):
+        self.provider = provider
+
+    def _setAddr (self, op, device, ipaddr, netmask, family, flags, scope, gateway):
+        netprov     = network_providers [self.provider]
+        bus_name    = netprov ['bus_name']
+        obj_path    = netprov ['ip_object_name']
+        intf_name   = netprov ['interface_name']
+
+        obj = self.bus.get_object(bus_name, obj_path)
+        intf = dbus.Interface(obj, intf_name)
+        if (op == "add"):
+            return intf.AddAddress (device, ipaddr, netmask, family, flags, scope, gateway)
+
+        if (op == "del"):
+            return intf.DelAddress (device, ipaddr, netmask, family, flags, scope, gateway)
+
+    def _getAddr (self, target, device):
+        netprov     = network_providers [self.provider]
+        bus_name    = netprov ['bus_name']
+
+        if (target == "ip"):
+            intf_name   = 'org.freedesktop.network1.Network'
+            obj_path    = netprov ['ip_object_name']
+            obj = self.bus.get_object(bus_name, obj_path)
+            intf = dbus.Interface(obj, intf_name)
+            return intf.GetAddress (device)
+
+        if (target == "mac"):
+            intf_name   = 'org.freedesktop.network1.Link'
+            obj_path    = netprov ['hw_object_name']
+            obj = self.bus.get_object(bus_name, obj_path)
+            intf = dbus.Interface(obj, intf_name)
+            mac = intf.GetAddress (device)
+            print mac
+            return mac
+
+
+
+    @dbus.service.method(DBUS_NAME, "", "")
+    def test(self):
+        print("TEST")
+
+    @dbus.service.method(DBUS_NAME, "ssss", "x")
+    def AddAddress4 (self, device, ipaddr, netmask, gateway):
+        prefixLen = getPrefixLen (netmask)
+        confFile = "/etc/systemd/network/10-bmc-" + device + "-" + ipaddr + '_' + str(prefixLen) + ".network"
+        if os.path.exists(confFile):
+            return 0
+
+        print("Making .network file...")
+        networkconf = open (confFile, "w+") 
+        networkconf.write ('[Match]'+ '\n')
+        networkconf.write ('Name=' + (device) + '\n')
+        networkconf.write ('[Network]' + '\n')
+        networkconf.write ('Address=' + ipaddr + '/' + str(prefixLen) +  '\n')
+        networkconf.write ('Gateway=' + gateway + '\n')
+
+        print("Restarting networkd service...")
+        call(["systemctl", "restart", "systemd-networkd.service"])
+        return 0
+        #return self._setAddr ("add", device, ipaddr, netmask, 2, 0, 253, gateway)
+
+    @dbus.service.method(DBUS_NAME, "ssss", "x")
+    def DelAddress4 (self, device, ipaddr, netmask, gateway):
+        prefixLen = getPrefixLen (netmask)
+        confFile = "/etc/systemd/network/10-bmc-" + device + "-" + ipaddr + '_' + str(prefixLen) + ".network"
+        if not (os.path.exists(confFile)):
+            return 1
+
+        self._setAddr ("del", device, ipaddr, netmask, 2, 0, 253, gateway)
+        os.remove (confFile)
+        return  0;
+
+    @dbus.service.method(DBUS_NAME, "s", "a(iyyus)s")
+    def GetAddress4 (self, device):
+        return self._getAddr ("ip", device)
+
+    @dbus.service.method(DBUS_NAME, "s", "s")
+    def GetHwAddress (self, device):
+        return self._getAddr ("mac", device)
+
+def main():
+    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+    bus = dbus.SystemBus()
+    name = dbus.service.BusName(DBUS_NAME, bus)
+    obj = NetMan (bus, OBJ_NAME)
+    obj.setNetworkProvider ("networkd")
+    mainloop = gobject.MainLoop()
+    print("Started")
+    mainloop.run()
+
+if __name__ == '__main__':
+    sys.exit(main())