Network.py: change network interface description name to old state. (LAN connection...
[enigma2.git] / lib / python / Components / Network.py
index 04511d253a30fe7fb2d86d7eb38d3526d1970992..32b8bdbe76dcb89f68d9c1eb152e2aadbbb7a64c 100755 (executable)
@@ -20,9 +20,8 @@ class Network:
                self.Console = Console()
                self.LinkConsole = Console()
                self.restartConsole = Console()
-               self.deactivateConsole = Console()
                self.deactivateInterfaceConsole = Console()
-               self.activateConsole = Console()
+               self.activateInterfaceConsole = Console()
                self.resetNetworkConsole = Console()
                self.DnsConsole = Console()
                self.PingConsole = Console()
@@ -30,37 +29,29 @@ class Network:
                self.friendlyNames = {}
                self.lan_interfaces = []
                self.wlan_interfaces = []
+               self.remoteRootFS = None
                self.getInterfaces()
 
        def onRemoteRootFS(self):
-               fp = file('/proc/mounts', 'r')
-               mounts = fp.readlines()
-               fp.close()
-               for line in mounts:
-                       parts = line.strip().split(' ')
-                       if parts[1] == '/' and (parts[2] == 'nfs' or parts[2] == 'smbfs'):
-                               return True
-               return False
+               if self.remoteRootFS == None:
+                       fp = file('/proc/mounts', 'r')
+                       mounts = fp.readlines()
+                       fp.close()
+                       self.remoteRootFS = False
+                       for line in mounts:
+                               parts = line.strip().split()
+                               if parts[1] == '/' and parts[2] == 'nfs':
+                                       self.remoteRootFS = True
+                                       break
+               return self.remoteRootFS
+
+       def isBlacklisted(self, iface):
+               return iface in ('lo', 'wifi0', 'wmaster0')
 
        def getInterfaces(self, callback = None):
-               devicesPattern = re_compile('[a-z]+[0-9]+')
                self.configuredInterfaces = []
-               fp = file('/proc/net/dev', 'r')
-               result = fp.readlines()
-               fp.close()
-               for line in result:
-                       try:
-                               device = devicesPattern.search(line).group()
-                               if device in ('wifi0', 'wmaster0'):
-                                       continue
-                               self.getDataForInterface(device, callback)
-                       except AttributeError:
-                               pass
-               #print "self.ifaces:", self.ifaces
-               #self.writeNetworkConfig()
-               #print ord(' ')
-               #for line in result:
-               #       print ord(line[0])
+               for device in self.getInstalledAdapters():
+                       self.getAddrInet(device, callback)
 
        # helper function
        def regExpMatch(self, pattern, string):
@@ -69,21 +60,16 @@ class Network:
                try:
                        return pattern.search(string).group()
                except AttributeError:
-                       None
+                       return None
 
        # helper function to convert ips from a sring to a list of ints
        def convertIP(self, ip):
-               strIP = ip.split('.')
-               ip = []
-               for x in strIP:
-                       ip.append(int(x))
-               return ip
-
-       def getDataForInterface(self, iface,callback):
-               #get ip out of ip addr, as avahi sometimes overrides it in ifconfig.
+               return [ int(n) for n in ip.split('.') ]
+
+       def getAddrInet(self, iface, callback):
                if not self.Console:
                        self.Console = Console()
-               cmd = "ip -o addr"
+               cmd = "ip -o addr show dev " + iface
                self.Console.ePopen(cmd, self.IPaddrFinished, [iface,callback])
 
        def IPaddrFinished(self, result, retval, extra_args):
@@ -92,14 +78,14 @@ class Network:
                globalIPpattern = re_compile("scope global")
                ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
                netRegexp = '[0-9]{1,2}'
-               macRegexp = '[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}'
+               macRegexp = '[0-9a-fA-F]{2}\:[0-9a-fA-F]{2}\:[0-9a-fA-F]{2}\:[0-9a-fA-F]{2}\:[0-9a-fA-F]{2}\:[0-9a-fA-F]{2}'
                ipLinePattern = re_compile('inet ' + ipRegexp + '/')
                ipPattern = re_compile(ipRegexp)
                netmaskLinePattern = re_compile('/' + netRegexp)
                netmaskPattern = re_compile(netRegexp)
                bcastLinePattern = re_compile(' brd ' + ipRegexp)
                upPattern = re_compile('UP')
-               macPattern = re_compile('[0-9]{2}\:[0-9]{2}\:[0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}\:[a-z0-9]{2}')
+               macPattern = re_compile(macRegexp)
                macLinePattern = re_compile('link/ether ' + macRegexp)
                
                for line in result.splitlines():
@@ -144,7 +130,7 @@ class Network:
                        print line[0:7]
                        if line[0:7] == "0.0.0.0":
                                gateway = self.regExpMatch(ipPattern, line[16:31])
-                               if gateway is not None:
+                               if gateway:
                                        data['gateway'] = self.convertIP(gateway)
                                        
                self.ifaces[iface] = data
@@ -176,8 +162,9 @@ class Network:
                                fp.write(iface["preup"])
                        if iface["predown"] is not False and not iface.has_key("configStrings"):
                                fp.write(iface["predown"])
-                       fp.write("\n")
+                       fp.write("\n")                          
                fp.close()
+               self.configuredNetworkAdapters = self.configuredInterfaces
                self.writeNameserverConfig()
 
        def writeNameserverConfig(self):
@@ -263,49 +250,13 @@ class Network:
                for line in resolv:
                        if self.regExpMatch(nameserverPattern, line) is not None:
                                ip = self.regExpMatch(ipPattern, line)
-                               if ip is not None:
+                               if ip:
                                        self.nameservers.append(self.convertIP(ip))
 
                print "nameservers:", self.nameservers
 
-       def deactivateNetworkConfig(self, callback = None):
-               if self.onRemoteRootFS():
-                       if callback is not None:
-                               callback(True)
-                       return
-               self.deactivateConsole = Console()
-               self.commands = []
-               self.commands.append("/etc/init.d/avahi-daemon stop")
-               for iface in self.ifaces.keys():
-                       cmd = "ip addr flush " + iface
-                       self.commands.append(cmd)               
-               self.commands.append("/etc/init.d/networking stop")
-               self.commands.append("killall -9 udhcpc")
-               self.commands.append("rm /var/run/udhcpc*")
-               self.deactivateConsole.eBatch(self.commands, self.deactivateNetworkFinished, callback, debug=True)
-               
-       def deactivateNetworkFinished(self,extra_args):
-               callback = extra_args
-               if len(self.deactivateConsole.appContainers) == 0:
-                       if callback is not None:
-                               callback(True)
-
-       def activateNetworkConfig(self, callback = None):
-               if self.onRemoteRootFS():
-                       if callback is not None:
-                               callback(True)
-                       return
-               self.activateConsole = Console()
-               self.commands = []
-               self.commands.append("/etc/init.d/networking start")
-               self.commands.append("/etc/init.d/avahi-daemon start")
-               self.activateConsole.eBatch(self.commands, self.activateNetworkFinished, callback, debug=True)
-               
-       def activateNetworkFinished(self,extra_args):
-               callback = extra_args
-               if len(self.activateConsole.appContainers) == 0:
-                       if callback is not None:
-                               callback(True)
+       def getInstalledAdapters(self):
+               return [x for x in listdir('/sys/class/net') if not self.isBlacklisted(x)]
 
        def getConfiguredAdapters(self):
                return self.configuredNetworkAdapters
@@ -316,47 +267,44 @@ class Network:
        def getFriendlyAdapterName(self, x):
                if x in self.friendlyNames.keys():
                        return self.friendlyNames.get(x, x)
-               else:
-                       self.friendlyNames[x] = self.getFriendlyAdapterNaming(x)
-                       return self.friendlyNames.get(x, x) # when we have no friendly name, use adapter name
+               self.friendlyNames[x] = self.getFriendlyAdapterNaming(x)
+               return self.friendlyNames.get(x, x) # when we have no friendly name, use adapter name
 
        def getFriendlyAdapterNaming(self, iface):
-               if iface.startswith('eth'):
-                       if iface not in self.lan_interfaces and len(self.lan_interfaces) == 0:
-                               self.lan_interfaces.append(iface)
-                               return _("LAN connection")
-                       elif iface not in self.lan_interfaces and len(self.lan_interfaces) >= 1:
-                               self.lan_interfaces.append(iface)
-                               return _("LAN connection") + " " + str(len(self.lan_interfaces))
+               name = None
+               if self.isWirelessInterface(iface):
+                       if iface not in self.wlan_interfaces:
+                               name = _("WLAN connection")
+                               if len(self.wlan_interfaces):
+                                       name += " " + str(len(self.wlan_interfaces)+1)
+                               self.wlan_interfaces.append(iface)                                                              
                else:
-                       if iface not in self.wlan_interfaces and len(self.wlan_interfaces) == 0:
-                               self.wlan_interfaces.append(iface)
-                               return _("WLAN connection")
-                       elif iface not in self.wlan_interfaces and len(self.wlan_interfaces) >= 1:
-                               self.wlan_interfaces.append(iface)
-                               return _("WLAN connection") + " " + str(len(self.wlan_interfaces))
-
+                       if iface not in self.lan_interfaces:
+                               name = _("LAN connection")
+                               if len(self.lan_interfaces):
+                                       name += " " + str(len(self.lan_interfaces)+1)
+                               self.lan_interfaces.append(iface)
+               return name
+       
        def getFriendlyAdapterDescription(self, iface):
-               if iface == 'eth0':
-                       return _("Internal LAN adapter.")
+               if not self.isWirelessInterface(iface):
+                       return _('Ethernet network interface')
+
+               moduledir = self.getWlanModuleDir(iface)
+               if moduledir:
+                       name = os_path.basename(os_path.realpath(moduledir))
+                       if name in ('ath_pci','ath5k'):
+                               name = 'Atheros'
+                       elif name in ('rt73','rt73usb','rt3070sta'):
+                               name = 'Ralink'
+                       elif name == 'zd1211b':
+                               name = 'Zydas'
+                       elif name == 'r871x_usb_drv':
+                               name = 'Realtek'
                else:
-                       classdir = "/sys/class/net/" + iface + "/device/"
-                       driverdir = "/sys/class/net/" + iface + "/device/driver/"
-                       if os_path.exists(classdir):
-                               files = listdir(classdir)
-                               if 'driver' in files:
-                                       if os_path.realpath(driverdir).endswith('ath_pci'):
-                                               return _("Atheros")+ " " + str(os_path.basename(os_path.realpath(driverdir))) + " " + _("WLAN adapter.") 
-                                       elif os_path.realpath(driverdir).endswith('zd1211b'):
-                                               return _("Zydas")+ " " + str(os_path.basename(os_path.realpath(driverdir))) + " " + _("WLAN adapter.") 
-                                       elif os_path.realpath(driverdir).endswith('rt73'):
-                                               return _("Ralink")+ " " + str(os_path.basename(os_path.realpath(driverdir))) + " " + _("WLAN adapter.") 
-                                       elif os_path.realpath(driverdir).endswith('rt73usb'):
-                                               return _("Ralink")+ " " + str(os_path.basename(os_path.realpath(driverdir))) + " " + _("WLAN adapter.") 
-                                       else:
-                                               return str(os_path.basename(os_path.realpath(driverdir))) + " " + _("WLAN adapter.") 
-                               else:
-                                       return _("Unknown network adapter.")
+                       name = _('Unknown')
+
+               return name + ' ' + _('wireless network interface')
 
        def getAdapterName(self, iface):
                return iface
@@ -404,16 +352,12 @@ class Network:
                                        self.nameservers[i] = newnameserver
 
        def resetNetworkConfig(self, mode='lan', callback = None):
-               if self.onRemoteRootFS():
-                       if callback is not None:
-                               callback(True)
-                       return
                self.resetNetworkConsole = Console()
                self.commands = []
                self.commands.append("/etc/init.d/avahi-daemon stop")
                for iface in self.ifaces.keys():
-                       cmd = "ip addr flush " + iface
-                       self.commands.append(cmd)               
+                       if iface != 'eth0' or not self.onRemoteRootFS():
+                               self.commands.append("ip addr flush dev " + iface)      
                self.commands.append("/etc/init.d/networking stop")
                self.commands.append("killall -9 udhcpc")
                self.commands.append("rm /var/run/udhcpc*")
@@ -487,18 +431,15 @@ class Network:
                                        statecallback(self.NetworkState)
                
        def restartNetwork(self,callback = None):
-               if self.onRemoteRootFS():
-                       if callback is not None:
-                               callback(True)
-                       return
                self.restartConsole = Console()
                self.config_ready = False
                self.msgPlugins()
                self.commands = []
                self.commands.append("/etc/init.d/avahi-daemon stop")
                for iface in self.ifaces.keys():
-                       cmd = "ip addr flush " + iface
-                       self.commands.append(cmd)               
+                       if iface != 'eth0' or not self.onRemoteRootFS():
+                               self.commands.append("ifdown " + iface)
+                               self.commands.append("ip addr flush dev " + iface)
                self.commands.append("/etc/init.d/networking stop")
                self.commands.append("killall -9 udhcpc")
                self.commands.append("rm /var/run/udhcpc*")
@@ -555,9 +496,13 @@ class Network:
                                        
        def stopDeactivateInterfaceConsole(self):
                if self.deactivateInterfaceConsole is not None:
-                       if len(self.deactivateInterfaceConsole.appContainers):
-                               for name in self.deactivateInterfaceConsole.appContainers.keys():
-                                       self.deactivateInterfaceConsole.kill(name)
+                       self.deactivateInterfaceConsole.killAll()
+                       self.deactivateInterfaceConsole = None
+
+       def stopActivateInterfaceConsole(self):
+               if self.activateInterfaceConsole is not None:
+                       self.activateInterfaceConsole.killAll()
+                       self.activateInterfaceConsole = None
                                        
        def checkforInterface(self,iface):
                if self.getAdapterAttribute(iface, 'up') is True:
@@ -590,59 +535,138 @@ class Network:
                                if len(self.DnsConsole.appContainers) == 0:
                                        statecallback(self.DnsState)
 
-       def deactivateInterface(self,iface,callback = None):
-               if self.onRemoteRootFS():
+       def deactivateInterface(self,ifaces,callback = None):
+               self.config_ready = False
+               self.msgPlugins()
+               commands = []
+               def buildCommands(iface):
+                       commands.append("ifdown " + iface)
+                       commands.append("ip addr flush dev " + iface)
+                       #wpa_supplicant sometimes doesn't quit properly on SIGTERM
+                       if os_path.exists('/var/run/wpa_supplicant/'+ iface):
+                               commands.append("wpa_cli -i" + iface + " terminate")
+                       
+               if not self.deactivateInterfaceConsole:
+                       self.deactivateInterfaceConsole = Console()
+
+               if isinstance(ifaces, (list, tuple)):
+                       for iface in ifaces:
+                               if iface != 'eth0' or not self.onRemoteRootFS():
+                                       buildCommands(iface)
+               else:
+                       if ifaces == 'eth0' and self.onRemoteRootFS():
+                               if callback is not None:
+                                       callback(True)
+                               return
+                       buildCommands(ifaces)
+               self.deactivateInterfaceConsole.eBatch(commands, self.deactivateInterfaceFinished, [ifaces,callback], debug=True)
+
+       def deactivateInterfaceFinished(self,extra_args):
+               (ifaces, callback) = extra_args
+               def checkCommandResult(iface):
+                       if self.deactivateInterfaceConsole and self.deactivateInterfaceConsole.appResults.has_key("ifdown " + iface):
+                               result = str(self.deactivateInterfaceConsole.appResults.get("ifdown " + iface)).strip("\n")
+                               if result == "ifdown: interface " + iface + " not configured":
+                                       return False
+                               else:
+                                       return True
+               #ifdown sometimes can't get the interface down.
+               if isinstance(ifaces, (list, tuple)):
+                       for iface in ifaces:
+                               if checkCommandResult(iface) is False:
+                                       Console().ePopen(("ifconfig " + iface + " down" ))
+               else:
+                       if checkCommandResult(ifaces) is False:
+                               Console().ePopen(("ifconfig " + ifaces + " down" ))
+
+               if self.deactivateInterfaceConsole:
+                       if len(self.deactivateInterfaceConsole.appContainers) == 0:
+                               if callback is not None:
+                                       callback(True)
+
+       def activateInterface(self,iface,callback = None):
+               if self.config_ready:
+                       self.config_ready = False
+                       self.msgPlugins()
+               if iface == 'eth0' and self.onRemoteRootFS():
                        if callback is not None:
                                callback(True)
                        return
-               self.deactivateInterfaceConsole = Console()
-               self.commands = []
-               cmd1 = "ip addr flush " + iface
-               cmd2 = "ifconfig " + iface + " down"
-               self.commands.append(cmd1)
-               self.commands.append(cmd2)
-               self.deactivateInterfaceConsole.eBatch(self.commands, self.deactivateInterfaceFinished, callback, debug=True)
+               if not self.activateInterfaceConsole:
+                       self.activateInterfaceConsole = Console()
+               commands = []
+               commands.append("ifup " + iface)
+               self.activateInterfaceConsole.eBatch(commands, self.activateInterfaceFinished, callback, debug=True)
 
-       def deactivateInterfaceFinished(self,extra_args):
+       def activateInterfaceFinished(self,extra_args):
                callback = extra_args
-               if self.deactivateInterfaceConsole:
-                       if len(self.deactivateInterfaceConsole.appContainers) == 0:
+               if self.activateInterfaceConsole:
+                       if len(self.activateInterfaceConsole.appContainers) == 0:
                                if callback is not None:
                                        callback(True)
 
+       def sysfsPath(self, iface):
+               return '/sys/class/net/' + iface
+
+       def isWirelessInterface(self, iface):
+               if iface in self.wlan_interfaces:
+                       return True
+
+               if os_path.isdir(self.sysfsPath(iface) + '/wireless'):
+                       return True
+
+               # r871x_usb_drv on kernel 2.6.12 is not identifiable over /sys/class/net/'ifacename'/wireless so look also inside /proc/net/wireless
+               device = re_compile('[a-z]{2,}[0-9]*:')
+               ifnames = []
+               fp = open('/proc/net/wireless', 'r')
+               for line in fp:
+                       try:
+                               ifnames.append(device.search(line).group()[:-1])
+                       except AttributeError:
+                               pass
+               if iface in ifnames:
+                       return True
+
+               return False
+
+       def getWlanModuleDir(self, iface = None):
+               devicedir = self.sysfsPath(iface) + '/device'
+               moduledir = devicedir + '/driver/module'
+               if os_path.isdir(moduledir):
+                       return moduledir
+
+               # identification is not possible over default moduledir
+               for x in listdir(devicedir):
+                       # rt3070 on kernel 2.6.18 registers wireless devices as usb_device (e.g. 1-1.3:1.0) and identification is only possible over /sys/class/net/'ifacename'/device/1-xxx
+                       if x.startswith("1-"):
+                               moduledir = devicedir + '/' + x + '/driver/module'
+                               if os_path.isdir(moduledir):
+                                       return moduledir
+               # rt73, zd1211b, r871x_usb_drv on kernel 2.6.12 can be identified over /sys/class/net/'ifacename'/device/driver, so look also here
+               moduledir = devicedir + '/driver'
+               if os_path.isdir(moduledir):
+                       return moduledir
+
+               return None
+
        def detectWlanModule(self, iface = None):
-               self.wlanmodule = None
-               classdir = "/sys/class/net/" + iface + "/device/"
-               driverdir = "/sys/class/net/" + iface + "/device/driver/"
-               if os_path.exists(classdir):
-                       classfiles = listdir(classdir)
-                       driver_found = False
-                       nl80211_found = False
-                       for x in classfiles:
-                               if x == 'driver':
-                                       driver_found = True
-                               if x.startswith('ieee80211:'):
-                                       nl80211_found = True
-
-                       if driver_found and nl80211_found:
-                               #print about.getKernelVersionString()
-                               self.wlanmodule = "nl80211"
-                       else:
-                               if driver_found and not nl80211_found:
-                                       driverfiles = listdir(driverdir)
-                                       if os_path.realpath(driverdir).endswith('ath_pci'):
-                                               if len(driverfiles) >= 1:
-                                                       self.wlanmodule = 'madwifi'
-                                       if os_path.realpath(driverdir).endswith('rt73'):
-                                               if len(driverfiles) == 2 or len(driverfiles) == 5:
-                                                       self.wlanmodule = 'ralink'                                      
-                                       if os_path.realpath(driverdir).endswith('zd1211b'):
-                                               if len(driverfiles) == 1 or len(driverfiles) == 5:
-                                                       self.wlanmodule = 'zydas'
-                       if self.wlanmodule is None:
-                               self.wlanmodule = "wext"
-                       print 'Using "%s" as wpa-supplicant driver' % (self.wlanmodule)
-                       return self.wlanmodule
+               if not self.isWirelessInterface(iface):
+                       return None
+
+               devicedir = self.sysfsPath(iface) + '/device'
+               if os_path.isdir(devicedir + '/ieee80211'):
+                       return 'nl80211'
+
+               moduledir = self.getWlanModuleDir(iface)
+               if moduledir:
+                       module = os_path.basename(os_path.realpath(moduledir))
+                       if module in ('ath_pci','ath5k'):
+                               return 'madwifi'
+                       if module in ('rt73','rt73'):
+                               return 'ralink'
+                       if module == 'zd1211b':
+                               return 'zydas'
+               return 'wext'
        
        def calc_netmask(self,nmask):
                from struct import pack, unpack