Added ICS support, but commented it out so we can release

daemon.py

@@ -242,9 +242,9 @@ class ConnectionWizard(dbus.service.Object):
 	#end function GetNumberOfNetworks
 
 	@dbus.service.method('org.wicd.daemon.wireless')
-	def CreateAdHocNetwork(self,essid,channel,ip,enctype,key,encused):
+	def CreateAdHocNetwork(self,essid,channel,ip,enctype,key,encused,ics):
 		print 'attempting to create ad-hoc network...'
-		self.wifi.CreateAdHocNetwork(essid,channel,ip,enctype,key,encused)
+		self.wifi.CreateAdHocNetwork(essid,channel,ip,enctype,key,encused,ics)
 	#end function CreateAdHocNetwork
 
 	@dbus.service.method('org.wicd.daemon.wireless')
@@ -258,7 +258,7 @@ class ConnectionWizard(dbus.service.Object):
 		print 'setting automatically reconnect when connection drops'
 		config = ConfigParser.ConfigParser()
 		config.read(self.app_conf)
-		config.set("Settings","auto_reconnect",value)
+		config.set("Settings","auto_reconnect",int(value))
 		config.write(open(self.app_conf,"w"))
 		self.auto_reconnect = value
 	#end function SetAutoReconnect
@@ -481,7 +481,7 @@ class ConnectionWizard(dbus.service.Object):
 		print 'setting always show wired interface'
 		config = ConfigParser.ConfigParser()
 		config.read(self.app_conf)
-		config.set("Settings","always_show_wired_interface",value)
+		config.set("Settings","always_show_wired_interface",int(value))
 		config.write(open(self.app_conf,"w"))
 		self.always_show_wired_interface = value
 

gui.py

@@ -125,6 +125,7 @@ language['auto_reconnect'] = _('Automatically reconnect on connection loss')
 language['create_adhoc_network'] = _('Create an Ad-Hoc Network')
 language['essid'] = _('ESSID')
 language['use_wep_encryption'] = _('Use Encryption (WEP only)')
+language['use_ics'] = _('Activate Internet Connection Sharing')
 
 language['0'] = _('0')
 language['1'] = _('1')
@@ -376,16 +377,13 @@ class NetworkEntry(gtk.Expander):
 		ipAddress = self.txtIP.get_text() #for easy typing :)
 		netmask = self.txtNetmask
 		gateway = self.txtGateway
-		
-		if ipAddress != None: #make sure the is an IP in the box
-			if ipAddress.count('.') == 3: #make sure the IP can be parsed
-				ipNumbers = ipAddress.split('.') #split it up
-				if not '' in ipNumbers: #make sure the IP isn't something like 127..0.1
-					if stringToNone(gateway.get_text()) == None: #make sure the gateway box is blank
-						#fill it in with a .1 at the end
-						gateway.set_text('.'.join(ipNumbers[0:3]) + '.1') 
+		ip_parts = misc.IsValidIP(ipAddress)
+		if ip_parts:
+			if stringToNone(gateway.get_text()) == None: #make sure the gateway box is blank
+				#fill it in with a .1 at the end
+				gateway.set_text('.'.join(ip_parts[0:3]) + '.1') 
 
-					if stringToNone(netmask.get_text()) == None: #make sure the netmask is blank
+			if stringToNone(netmask.get_text()) == None: #make sure the netmask is blank
 						netmask.set_text('255.255.255.0') #fill in the most common one
 
 
@@ -701,6 +699,7 @@ class appGui:
 		gobject.timeout_add(100,self.pulse_progress_bar)
 
 	def create_adhoc_network(self,widget=None):
+		'''shows a dialog that creates a new adhoc network'''
 		#create a new adhoc network here.
 		print 'create adhoc network'
 		dialog = gtk.Dialog(title=language['create_adhoc_network'], flags = gtk.DIALOG_MODAL, buttons=(gtk.STOCK_OK,1,gtk.STOCK_CANCEL,2))
@@ -708,13 +707,14 @@ class appGui:
 		dialog.set_size_request(400,-1)
 		self.useEncryptionCheckbox = gtk.CheckButton(language['use_wep_encryption'])
 		self.useEncryptionCheckbox.set_active(False)
-		self.useEncryptionCheckbox.show()
 		ipEntry = LabelEntry(language['ip'] + ':')
 		essidEntry = LabelEntry(language['essid'] + ':')
 		channelEntry = LabelEntry(language['channel'] + ':')
 		self.keyEntry = LabelEntry(language['key'] + ':')
+		self.keyEntry.set_auto_hidden(True)
 		self.keyEntry.set_sensitive(False)
-		self.keyEntry.entry.set_visibility(False)
+		
+		useICSCheckbox = gtk.CheckButton(language['use_ics'])
 
 		self.useEncryptionCheckbox.connect("toggled",self.toggleEncryptionCheck)	
 		channelEntry.entry.set_text('3')
@@ -727,11 +727,14 @@ class appGui:
 		dialog.vbox.pack_start(essidEntry)
 		dialog.vbox.pack_start(ipEntry)
 		dialog.vbox.pack_start(channelEntry)
+		dialog.vbox.pack_start(useICSCheckbox)
 		dialog.vbox.pack_start(vboxA)
 		dialog.vbox.set_spacing(5)
+		dialog.show_all()
+		useICSCheckbox.hide() #this isn't quite ready yet
 		response = dialog.run()
 		if response == 1:
-			wireless.CreateAdHocNetwork(essidEntry.entry.get_text(),channelEntry.entry.get_text(),ipEntry.entry.get_text(),"WEP",self.keyEntry.entry.get_text(),self.useEncryptionCheckbox.get_active())
+			wireless.CreateAdHocNetwork(essidEntry.entry.get_text(),channelEntry.entry.get_text(),ipEntry.entry.get_text(),"WEP",self.keyEntry.entry.get_text(),self.useEncryptionCheckbox.get_active(),False) #useICSCheckbox.get_active())
 		dialog.destroy()
 
 	def toggleEncryptionCheck(self,widget=None):

misc.py

@@ -22,6 +22,14 @@ def Run(cmd,include_std_error=False):
 		input,out_err = os.popen4( cmd, 'r')
 		return out_err.read()
 
+def IsValidIP(ip):
+	if ip != None: #make sure there is an IP
+		if ip.count('.') == 3: #make sure the IP can be parsed (or at least it has the proper dots)
+			ipNumbers = ip.split('.') #split it up
+			if not '' in ipNumbers: #make sure the IP isn't something like 127..0.1
+				return ipNumbers
+	return False
+
 def PromptToStartDaemon():
 	gksudo_args = ['gksudo', '--message', 'Wicd needs to access your computer\'s network cards.','--','./daemon.py']
 	os.spawnvpe(os.P_NOWAIT, 'gksudo', gksudo_args, os.environ)

networking.py

@@ -379,7 +379,7 @@ class Wireless:
 		ip_pattern	= re.compile(r'inet [Aa]d?dr[^.]*:([^.]*\.[^.]*\.[^.]*\.[0-9]*)',re.S)
 		return misc.RunRegex(ip_pattern,output)
 
-	def CreateAdHocNetwork(self,essid,channel,ip,enctype,key,encused):
+	def CreateAdHocNetwork(self,essid,channel,ip,enctype,key,encused,ics):
 		misc.Run("killall dhclient dhclient3 wpa_supplicant") #remove wpa_supplicant, as it can cause the connection to revert to
 		#previous networks...
 		misc.Run('ifconfig ' + self.wireless_interface + ' down')
@@ -389,8 +389,33 @@ class Wireless:
 		#Right now it just assumes you're using WEP
 		if encused == True:
 			misc.Run('iwconfig ' + self.wireless_interface + ' key ' + key)
+
 		misc.Run('ifconfig ' + self.wireless_interface + ' up')
 		misc.Run('ifconfig ' + self.wireless_interface + ' inet ' + ip)
+
+		#also just assume that the netmask is 255.255.255.0, it simplifies ICS
+		misc.Run('ifconfig ' + self.wireless_interface + ' netmask 255.255.255.0')
+
+		ip_parts = misc.IsValidIP(ip)
+
+		if ics and ip_parts:
+			#set up internet connection sharing here
+			#flush the forward tables
+			misc.Run('iptables -F FORWARD')
+			misc.Run('iptables -N fw-interfaces')
+			misc.Run('iptables -N fw-open')
+			misc.Run('iptables -F fw-interfaces')
+			misc.Run('iptables -F fw-open')
+			misc.Run('iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu')
+			misc.Run('iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT')
+			misc.Run('iptables -A FORWARD -j fw-interfaces ')
+			misc.Run('iptables -A FORWARD -j fw-open ')
+			misc.Run('iptables -A FORWARD -j REJECT --reject-with icmp-host-unreachable')
+			misc.Run('iptables -P FORWARD DROP')
+			misc.Run('iptables -A fw-interfaces -i ' + self.wireless_interface + ' -j ACCEPT')
+			basic_ip = '.'.join(ip_parts[0:3]) + '.0' #not sure that basic_ip is a good name
+			misc.Run('iptables -t nat -A POSTROUTING -s ' + basic_ip + '/255.255.255.0 -o ' + self.wired_interface + ' -j MASQUERADE')
+			misc.Run('echo 1 > /proc/sys/net/ipv4/ip_forward') #enable routing
 	#end function CreateAdHocNetwork
 
 	def DetectWirelessInterface(self):
@@ -546,3 +571,4 @@ class Wired:
 			self.lock.release()
 			self.IsConnecting = False
 		#end function run
+