Support udhcpc, this is needed to smoothly run on the OpenMoko FreeRunner.

Thanks to Luca Capello <gismo@debian.org> for porting the patch to 1.5.9, and
to "madmo" from the linked forum for making the patch.

Patch originally taken from http://wicd.net/punbb/viewtopic.php?id=132

Patch ported to 1.6.0 code by David Paleino <d.paleino@gmail.com>.

curses/prefs_curses.py

@@ -93,6 +93,7 @@ class PrefsDialog(urwid.WidgetWrap):
         dhcp1_t  = 'dhclient'
         dhcp2_t  = 'dhcpcd'
         dhcp3_t  = 'pump'
+        dhcp4_t  = 'udhcpc'
 
         wired_detect_header_t = ('header',language["wired_detect"])
         wired1_t              = 'ethtool'
@@ -185,7 +186,8 @@ class PrefsDialog(urwid.WidgetWrap):
         self.dhcp1  = DynRadioButton(self.dhcp_l,dhcp1_t)
         self.dhcp2  = DynRadioButton(self.dhcp_l,dhcp2_t)
         self.dhcp3  = DynRadioButton(self.dhcp_l,dhcp3_t)
-        self.dhcp_l = [self.dhcp0,self.dhcp1,self.dhcp2,self.dhcp3]
+        self.dhcp4  = DynRadioButton(self.dhcp_l,dhcp4_t)
+        self.dhcp_l = [self.dhcp0,self.dhcp1,self.dhcp2,self.dhcp3,self.dhcp4]
 
         self.wired_l = []
         self.wired_detect_header = urwid.Text(wired_detect_header_t)
@@ -202,7 +204,7 @@ class PrefsDialog(urwid.WidgetWrap):
         self.flush_l = [self.flush0,self.flush1,self.flush2]
 
         externalLB = urwid.ListBox([self.dhcp_header,
-                                    self.dhcp0,self.dhcp2,self.dhcp3,self.dhcp1,
+                                    self.dhcp0,self.dhcp2,self.dhcp3,self.dhcp1,self.dhcp4,
                                     _blank,
                                     self.wired_detect_header,
                                     self.wired0,self.wired1,self.wired2,
@@ -351,8 +353,10 @@ class PrefsDialog(urwid.WidgetWrap):
             dhcp_client = misc.DHCLIENT
         elif self.dhcp2.get_state():
             dhcp_client = misc.DHCPCD
-        else:
+        elif self.dhcp3.get_state():
             dhcp_client = misc.PUMP
+        else:
+            dhcp_client = misc.UDHCPC
         daemon.SetDHCPClient(dhcp_client)
         
         if self.wired0.get_state():

data/wicd.glade

@@ -1171,6 +1171,21 @@ is already active.</property>
                                         <property name="position">2</property>
                                       </packing>
                                     </child>
+                                    <child>
+                                      <widget class="GtkRadioButton" id="udhcpc_radio">
+                                        <property name="label" translatable="yes">udhcpc</property>
+                                        <property name="visible">True</property>
+                                        <property name="can_focus">True</property>
+                                        <property name="receives_default">False</property>
+                                        <property name="active">True</property>
+                                        <property name="draw_indicator">True</property>
+                                        <property name="group">dhclient_radio</property>
+                                      </widget>
+                                      <packing>
+                                        <property name="expand">False</property>
+                                        <property name="position">4</property>
+                                      </packing>
+                                    </child>
                                   </widget>
                                 </child>
                               </widget>

wicd/misc.py

@@ -49,6 +49,7 @@ AUTO = 0
 DHCLIENT = 1
 DHCPCD = 2
 PUMP = 3
+UDHCPC = 4
 
 # Link detection tools
 ETHTOOL = 1

wicd/prefs.py

@@ -82,7 +82,7 @@ class PreferencesDialog(object):
         self.preferwiredcheckbox.set_active(daemon.GetPreferWiredNetwork())
         
         dhcp_list = [self.dhcpautoradio, self.dhclientradio, self.dhcpcdradio, 
-                     self.pumpradio]
+                     self.pumpradio, self.udhcpcradio]
         self._setup_external_app_radios(dhcp_list, daemon.GetDHCPClient,
                                         daemon.SetDHCPClient)
         
@@ -210,8 +210,10 @@ class PreferencesDialog(object):
             dhcp_client = misc.DHCLIENT
         elif self.dhcpcdradio.get_active():
             dhcp_client = misc.DHCPCD
-        else:
+        elif self.pumpradio.get_active():
             dhcp_client = misc.PUMP
+        else:
+            dhcp_client = misc.UDHCPC
         daemon.SetDHCPClient(dhcp_client)
         
         if self.linkautoradio.get_active():
@@ -347,6 +349,7 @@ class PreferencesDialog(object):
         self.dhclientradio = self.wTree.get_widget("dhclient_radio")
         self.pumpradio = self.wTree.get_widget("pump_radio")
         self.dhcpcdradio = self.wTree.get_widget("dhcpcd_radio")
+        self.udhcpcradio = self.wTree.get_widget("udhcpc_radio")
         
         # Wired Link Detection Apps
         self.linkautoradio = setup_label("link_auto_radio", 'wicd_auto_config')

wicd/wnettools.py

@@ -250,6 +250,9 @@ class BaseInterface(object):
                 cmd = self.dhclient_cmd
                 if self.dhclient_needs_verbose:
                     cmd += ' -v'
+            elif self.udhcpc_cmd and cl in [misc.UDHCPC, misc.AUTO]:
+                client = "udhcpc"
+                cmd = self.udhcpc_cmd
             else:
                 client = None
                 cmd = ""
@@ -257,20 +260,25 @@ class BaseInterface(object):
         
         client_dict = {
             "dhclient" : 
-                {'connect' : r"%s %s", 
-                 'release' : r"%s -r %s",
+                {'connect' : r"%(cmd)s %(iface)s",
+                 'release' : r"%(cmd)s -r %(iface)s",
                  'id' : misc.DHCLIENT, 
                  },
             "pump" : 
-                { 'connect' : r"%s -i %s", 
-                  'release' : r"%s -r -i %s",
+                { 'connect' : r"%(cmd)s -i %(iface)s",
+                  'release' : r"%(cmd)s -r -i %(iface)s",
                   'id' : misc.PUMP,
                 },
             "dhcpcd" : 
-                {'connect' : r"%s %s",
-                 'release' : r"%s -k %s",
+                {'connect' : r"%(cmd)s %(iface)s",
+                 'release' : r"%(cmd)s -k %(iface)s",
                  'id' : misc.DHCPCD,
                 },
+            "udhcpc":
+                {'connect' : r"%(cmd)s -n -i %(iface)s",
+                 'release' : r"killall -SIGUSR2 %(cmd)s",
+                 'id' : misc.UDHCPC,
+                },
         }
         (client_name, cmd) = get_client_name(self.DHCP_CLIENT)
         if not client_name or not cmd:
@@ -278,9 +286,9 @@ class BaseInterface(object):
             return ""
             
         if flavor == "connect":
-            return client_dict[client_name]['connect'] % (cmd, self.iface)
+            return client_dict[client_name]['connect'] % {"cmd":cmd, "iface":self.iface}
         elif flavor == "release":
-            return client_dict[client_name]['release'] % (cmd, self.iface)
+            return client_dict[client_name]['release'] % {"cmd":cmd, "iface":self.iface}
         else:
             return client_dict[client_name]['id']
     
@@ -327,6 +335,7 @@ class BaseInterface(object):
                 self.dhclient_needs_verbose = False
         self.dhcpcd_cmd = self._find_program_path("dhcpcd")
         self.pump_cmd = self._find_program_path("pump")
+        self.udhcpc_cmd = self._find_program_path("udhcpc")
         
     def CheckWiredTools(self):
         """ Check for the existence of ethtool and mii-tool. """
@@ -485,7 +494,31 @@ class BaseInterface(object):
             print line
             
         return self._check_dhcp_result(dhcpcd_success)
-        
+
+    def _parse_udhcpc(self, pipe):
+        """ Determines if obtaining an IP using udhcpc succeeded.
+
+        Keyword arguments:
+        pipe -- stdout pipe to the dhcpcd process.
+
+        Returns:
+        'success' if successful, an error code string otherwise.
+
+        """
+        udhcpc_complete = False
+        udhcpc_success = True
+
+        while not udhcpc_complete:
+            line = pipe.readline()
+            if line.endswith("failing"):
+                udhcpc_success = False
+                udhcpc_complete = True
+            elif line == '':
+                udhcpc_complete = True
+            print line
+
+        return self._check_dhcp_result(udhcpc_success)
+
     def _check_dhcp_result(self, success):
         """ Print and return the correct DHCP connection result. 
         
@@ -524,6 +557,8 @@ class BaseInterface(object):
             return self._parse_pump(pipe)
         elif DHCP_CLIENT == misc.DHCPCD:
             return self._parse_dhcpcd(pipe)
+        elif DHCP_CLIENT == misc.UDHCPC:
+            return self._parse_udhcpc(pipe)
         else:
             print 'ERROR no dhclient found!'