lib/python/Components/Network.py

   1 from os import system, popen, path as os_path, listdir
   2 from re import compile as re_compile, search as re_search
   3 from socket import *
   4 from enigma import eConsoleAppContainer
   5 from Components.Console import Console
   6 from Components.PluginComponent import plugins
   7 from Components.About import about
   8 from Plugins.Plugin import PluginDescriptor
   9
  10 class Network:
  11         def __init__(self):
  12                 self.ifaces = {}
  13                 self.configuredInterfaces = []
  14                 self.configuredNetworkAdapters = []
  15                 self.NetworkState = 0
  16                 self.DnsState = 0
  17                 self.nameservers = []
  18                 self.ethtool_bin = "ethtool"
  19                 self.container = eConsoleAppContainer()
  20                 self.Console = Console()
  21                 self.LinkConsole = Console()
  22                 self.restartConsole = Console()
  23                 self.deactivateInterfaceConsole = Console()
  24                 self.activateInterfaceConsole = Console()
  25                 self.resetNetworkConsole = Console()
  26                 self.DnsConsole = Console()
  27                 self.PingConsole = Console()
  28                 self.config_ready = None
  29                 self.friendlyNames = {}
  30                 self.lan_interfaces = []
  31                 self.wlan_interfaces = []
  32                 self.remoteRootFS = None
  33                 self.getInterfaces()
  34
  35         def onRemoteRootFS(self):
  36                 if self.remoteRootFS == None:
  37                         fp = file('/proc/mounts', 'r')
  38                         mounts = fp.readlines()
  39                         fp.close()
  40                         self.remoteRootFS = False
  41                         for line in mounts:
  42                                 parts = line.strip().split()
  43                                 if parts[1] == '/' and parts[2] == 'nfs':
  44                                         self.remoteRootFS = True
  45                                         break
  46                 return self.remoteRootFS
  47
  48         def getInterfaces(self, callback = None):
  49                 self.configuredInterfaces = []
  50                 for device in listdir('/sys/class/net'):
  51                         if not device in ('lo','wifi0', 'wmaster0'):
  52                                 self.getAddrInet(device, callback)
  53
  54         # helper function
  55         def regExpMatch(self, pattern, string):
  56                 if string is None:
  57                         return None
  58                 try:
  59                         return pattern.search(string).group()
  60                 except AttributeError:
  61                         None
  62
  63         # helper function to convert ips from a sring to a list of ints
  64         def convertIP(self, ip):
  65                 return [ int(n) for n in ip.split('.') ]
  66
  67         def getAddrInet(self, iface, callback):
  68                 if not self.Console:
  69                         self.Console = Console()
  70                 cmd = "ip -o addr show dev " + iface
  71                 self.Console.ePopen(cmd, self.IPaddrFinished, [iface,callback])
  72
  73         def IPaddrFinished(self, result, retval, extra_args):
  74                 (iface, callback ) = extra_args
  75                 data = { 'up': False, 'dhcp': False, 'preup' : False, 'predown' : False }
  76                 globalIPpattern = re_compile("scope global")
  77                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
  78                 netRegexp = '[0-9]{1,2}'
  79                 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}'
  80                 ipLinePattern = re_compile('inet ' + ipRegexp + '/')
  81                 ipPattern = re_compile(ipRegexp)
  82                 netmaskLinePattern = re_compile('/' + netRegexp)
  83                 netmaskPattern = re_compile(netRegexp)
  84                 bcastLinePattern = re_compile(' brd ' + ipRegexp)
  85                 upPattern = re_compile('UP')
  86                 macPattern = re_compile(macRegexp)
  87                 macLinePattern = re_compile('link/ether ' + macRegexp)
  88
  89                 for line in result.splitlines():
  90                         split = line.strip().split(' ',2)
  91                         if (split[1][:-1] == iface):
  92                                 up = self.regExpMatch(upPattern, split[2])
  93                                 mac = self.regExpMatch(macPattern, self.regExpMatch(macLinePattern, split[2]))
  94                                 if up is not None:
  95                                         data['up'] = True
  96                                         if iface is not 'lo':
  97                                                 self.configuredInterfaces.append(iface)
  98                                 if mac is not None:
  99                                         data['mac'] = mac
 100                         if (split[1] == iface):
 101                                 if re_search(globalIPpattern, split[2]):
 102                                         ip = self.regExpMatch(ipPattern, self.regExpMatch(ipLinePattern, split[2]))
 103                                         netmask = self.calc_netmask(self.regExpMatch(netmaskPattern, self.regExpMatch(netmaskLinePattern, split[2])))
 104                                         bcast = self.regExpMatch(ipPattern, self.regExpMatch(bcastLinePattern, split[2]))
 105                                         if ip is not None:
 106                                                 data['ip'] = self.convertIP(ip)
 107                                         if netmask is not None:
 108                                                 data['netmask'] = self.convertIP(netmask)
 109                                         if bcast is not None:
 110                                                 data['bcast'] = self.convertIP(bcast)
 111
 112                 if not data.has_key('ip'):
 113                         data['dhcp'] = True
 114                         data['ip'] = [0, 0, 0, 0]
 115                         data['netmask'] = [0, 0, 0, 0]
 116                         data['gateway'] = [0, 0, 0, 0]
 117
 118                 cmd = "route -n | grep  " + iface
 119                 self.Console.ePopen(cmd,self.routeFinished, [iface, data, callback])
 120
 121         def routeFinished(self, result, retval, extra_args):
 122                 (iface, data, callback) = extra_args
 123                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
 124                 ipPattern = re_compile(ipRegexp)
 125                 ipLinePattern = re_compile(ipRegexp)
 126
 127                 for line in result.splitlines():
 128                         print line[0:7]
 129                         if line[0:7] == "0.0.0.0":
 130                                 gateway = self.regExpMatch(ipPattern, line[16:31])
 131                                 if gateway is not None:
 132                                         data['gateway'] = self.convertIP(gateway)
 133
 134                 self.ifaces[iface] = data
 135                 self.loadNetworkConfig(iface,callback)
 136
 137         def writeNetworkConfig(self):
 138                 self.configuredInterfaces = []
 139                 fp = file('/etc/network/interfaces', 'w')
 140                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 141                 fp.write("auto lo\n")
 142                 fp.write("iface lo inet loopback\n\n")
 143                 for ifacename, iface in self.ifaces.items():
 144                         if iface['up'] == True:
 145                                 fp.write("auto " + ifacename + "\n")
 146                                 self.configuredInterfaces.append(ifacename)
 147                         if iface['dhcp'] == True:
 148                                 fp.write("iface "+ ifacename +" inet dhcp\n")
 149                         if iface['dhcp'] == False:
 150                                 fp.write("iface "+ ifacename +" inet static\n")
 151                                 if iface.has_key('ip'):
 152                                         print tuple(iface['ip'])
 153                                         fp.write("      address %d.%d.%d.%d\n" % tuple(iface['ip']))
 154                                         fp.write("      netmask %d.%d.%d.%d\n" % tuple(iface['netmask']))
 155                                         if iface.has_key('gateway'):
 156                                                 fp.write("      gateway %d.%d.%d.%d\n" % tuple(iface['gateway']))
 157                         if iface.has_key("configStrings"):
 158                                 fp.write(iface["configStrings"])
 159                         if iface["preup"] is not False and not iface.has_key("configStrings"):
 160                                 fp.write(iface["preup"])
 161                         if iface["predown"] is not False and not iface.has_key("configStrings"):
 162                                 fp.write(iface["predown"])
 163                         fp.write("\n")
 164                 fp.close()
 165                 self.configuredNetworkAdapters = self.configuredInterfaces
 166                 self.writeNameserverConfig()
 167
 168         def writeNameserverConfig(self):
 169                 fp = file('/etc/resolv.conf', 'w')
 170                 for nameserver in self.nameservers:
 171                         fp.write("nameserver %d.%d.%d.%d\n" % tuple(nameserver))
 172                 fp.close()
 173
 174         def loadNetworkConfig(self,iface,callback = None):
 175                 interfaces = []
 176                 # parse the interfaces-file
 177                 try:
 178                         fp = file('/etc/network/interfaces', 'r')
 179                         interfaces = fp.readlines()
 180                         fp.close()
 181                 except:
 182                         print "[Network.py] interfaces - opening failed"
 183
 184                 ifaces = {}
 185                 currif = ""
 186                 for i in interfaces:
 187                         split = i.strip().split(' ')
 188                         if (split[0] == "iface"):
 189                                 currif = split[1]
 190                                 ifaces[currif] = {}
 191                                 if (len(split) == 4 and split[3] == "dhcp"):
 192                                         ifaces[currif]["dhcp"] = True
 193                                 else:
 194                                         ifaces[currif]["dhcp"] = False
 195                         if (currif == iface): #read information only for available interfaces
 196                                 if (split[0] == "address"):
 197                                         ifaces[currif]["address"] = map(int, split[1].split('.'))
 198                                         if self.ifaces[currif].has_key("ip"):
 199                                                 if self.ifaces[currif]["ip"] != ifaces[currif]["address"] and ifaces[currif]["dhcp"] == False:
 200                                                         self.ifaces[currif]["ip"] = map(int, split[1].split('.'))
 201                                 if (split[0] == "netmask"):
 202                                         ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 203                                         if self.ifaces[currif].has_key("netmask"):
 204                                                 if self.ifaces[currif]["netmask"] != ifaces[currif]["netmask"] and ifaces[currif]["dhcp"] == False:
 205                                                         self.ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 206                                 if (split[0] == "gateway"):
 207                                         ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 208                                         if self.ifaces[currif].has_key("gateway"):
 209                                                 if self.ifaces[currif]["gateway"] != ifaces[currif]["gateway"] and ifaces[currif]["dhcp"] == False:
 210                                                         self.ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 211                                 if (split[0] == "pre-up"):
 212                                         if self.ifaces[currif].has_key("preup"):
 213                                                 self.ifaces[currif]["preup"] = i
 214                                 if (split[0] in ("pre-down","post-down")):
 215                                         if self.ifaces[currif].has_key("predown"):
 216                                                 self.ifaces[currif]["predown"] = i
 217
 218                 for ifacename, iface in ifaces.items():
 219                         if self.ifaces.has_key(ifacename):
 220                                 self.ifaces[ifacename]["dhcp"] = iface["dhcp"]
 221                 if self.Console:
 222                         if len(self.Console.appContainers) == 0:
 223                                 # save configured interfacelist
 224                                 self.configuredNetworkAdapters = self.configuredInterfaces
 225                                 # load ns only once
 226                                 self.loadNameserverConfig()
 227                                 print "read configured interface:", ifaces
 228                                 print "self.ifaces after loading:", self.ifaces
 229                                 self.config_ready = True
 230                                 self.msgPlugins()
 231                                 if callback is not None:
 232                                         callback(True)
 233
 234         def loadNameserverConfig(self):
 235                 ipRegexp = "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
 236                 nameserverPattern = re_compile("nameserver +" + ipRegexp)
 237                 ipPattern = re_compile(ipRegexp)
 238
 239                 resolv = []
 240                 try:
 241                         fp = file('/etc/resolv.conf', 'r')
 242                         resolv = fp.readlines()
 243                         fp.close()
 244                         self.nameservers = []
 245                 except:
 246                         print "[Network.py] resolv.conf - opening failed"
 247
 248                 for line in resolv:
 249                         if self.regExpMatch(nameserverPattern, line) is not None:
 250                                 ip = self.regExpMatch(ipPattern, line)
 251                                 if ip is not None:
 252                                         self.nameservers.append(self.convertIP(ip))
 253
 254                 print "nameservers:", self.nameservers
 255
 256         def getInstalledAdapters(self):
 257                 return [x for x in listdir('/sys/class/net') if not x in ('lo','wifi0', 'wmaster0')]
 258
 259         def getConfiguredAdapters(self):
 260                 return self.configuredNetworkAdapters
 261
 262         def getNumberOfAdapters(self):
 263                 return len(self.ifaces)
 264
 265         def getFriendlyAdapterName(self, x):
 266                 if x in self.friendlyNames.keys():
 267                         return self.friendlyNames.get(x, x)
 268                 else:
 269                         self.friendlyNames[x] = self.getFriendlyAdapterNaming(x)
 270                         return self.friendlyNames.get(x, x) # when we have no friendly name, use adapter name
 271
 272         def getFriendlyAdapterNaming(self, iface):
 273                 if iface.startswith('eth'):
 274                         if iface not in self.lan_interfaces and len(self.lan_interfaces) == 0:
 275                                 self.lan_interfaces.append(iface)
 276                                 return _("LAN connection")
 277                         elif iface not in self.lan_interfaces and len(self.lan_interfaces) >= 1:
 278                                 self.lan_interfaces.append(iface)
 279                                 return _("LAN connection") + " " + str(len(self.lan_interfaces))
 280                 else:
 281                         if iface not in self.wlan_interfaces and len(self.wlan_interfaces) == 0:
 282                                 self.wlan_interfaces.append(iface)
 283                                 return _("WLAN connection")
 284                         elif iface not in self.wlan_interfaces and len(self.wlan_interfaces) >= 1:
 285                                 self.wlan_interfaces.append(iface)
 286                                 return _("WLAN connection") + " " + str(len(self.wlan_interfaces))
 287
 288         def getFriendlyAdapterDescription(self, iface):
 289                 if not self.isWirelessInterface(iface):
 290                         return _('Ethernet network interface')
 291
 292                 moduledir = self.getWlanModuleDir(iface)
 293                 if os_path.isdir(moduledir):
 294                         name = os_path.basename(os_path.realpath(moduledir))
 295                         if name in ('ath_pci','ath5k'):
 296                                 name = 'Atheros'
 297                         elif name in ('rt73','rt73usb','rt3070sta'):
 298                                 name = 'Ralink'
 299                         elif name == 'zd1211b':
 300                                 name = 'Zydas'
 301                         elif name == 'r871x_usb_drv':
 302                                 name = 'Realtek'
 303                 else:
 304                         name = _('Unknown')
 305
 306                 return name + ' ' + _('wireless network interface')
 307
 308         def getAdapterName(self, iface):
 309                 return iface
 310
 311         def getAdapterList(self):
 312                 return self.ifaces.keys()
 313
 314         def getAdapterAttribute(self, iface, attribute):
 315                 if self.ifaces.has_key(iface):
 316                         if self.ifaces[iface].has_key(attribute):
 317                                 return self.ifaces[iface][attribute]
 318                 return None
 319
 320         def setAdapterAttribute(self, iface, attribute, value):
 321                 print "setting for adapter", iface, "attribute", attribute, " to value", value
 322                 if self.ifaces.has_key(iface):
 323                         self.ifaces[iface][attribute] = value
 324
 325         def removeAdapterAttribute(self, iface, attribute):
 326                 if self.ifaces.has_key(iface):
 327                         if self.ifaces[iface].has_key(attribute):
 328                                 del self.ifaces[iface][attribute]
 329
 330         def getNameserverList(self):
 331                 if len(self.nameservers) == 0:
 332                         return [[0, 0, 0, 0], [0, 0, 0, 0]]
 333                 else:
 334                         return self.nameservers
 335
 336         def clearNameservers(self):
 337                 self.nameservers = []
 338
 339         def addNameserver(self, nameserver):
 340                 if nameserver not in self.nameservers:
 341                         self.nameservers.append(nameserver)
 342
 343         def removeNameserver(self, nameserver):
 344                 if nameserver in self.nameservers:
 345                         self.nameservers.remove(nameserver)
 346
 347         def changeNameserver(self, oldnameserver, newnameserver):
 348                 if oldnameserver in self.nameservers:
 349                         for i in range(len(self.nameservers)):
 350                                 if self.nameservers[i] == oldnameserver:
 351                                         self.nameservers[i] = newnameserver
 352
 353         def resetNetworkConfig(self, mode='lan', callback = None):
 354                 self.resetNetworkConsole = Console()
 355                 self.commands = []
 356                 self.commands.append("/etc/init.d/avahi-daemon stop")
 357                 for iface in self.ifaces.keys():
 358                         if iface != 'eth0' or not self.onRemoteRootFS():
 359                                 self.commands.append("ip addr flush dev " + iface)
 360                 self.commands.append("/etc/init.d/networking stop")
 361                 self.commands.append("killall -9 udhcpc")
 362                 self.commands.append("rm /var/run/udhcpc*")
 363                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinishedCB, [mode, callback], debug=True)
 364
 365         def resetNetworkFinishedCB(self, extra_args):
 366                 (mode, callback) = extra_args
 367                 if len(self.resetNetworkConsole.appContainers) == 0:
 368                         self.writeDefaultNetworkConfig(mode, callback)
 369
 370         def writeDefaultNetworkConfig(self,mode='lan', callback = None):
 371                 fp = file('/etc/network/interfaces', 'w')
 372                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 373                 fp.write("auto lo\n")
 374                 fp.write("iface lo inet loopback\n\n")
 375                 if mode == 'wlan':
 376                         fp.write("auto wlan0\n")
 377                         fp.write("iface wlan0 inet dhcp\n")
 378                 if mode == 'wlan-mpci':
 379                         fp.write("auto ath0\n")
 380                         fp.write("iface ath0 inet dhcp\n")
 381                 if mode == 'lan':
 382                         fp.write("auto eth0\n")
 383                         fp.write("iface eth0 inet dhcp\n")
 384                 fp.write("\n")
 385                 fp.close()
 386
 387                 self.resetNetworkConsole = Console()
 388                 self.commands = []
 389                 if mode == 'wlan':
 390                         self.commands.append("ifconfig eth0 down")
 391                         self.commands.append("ifconfig ath0 down")
 392                         self.commands.append("ifconfig wlan0 up")
 393                 if mode == 'wlan-mpci':
 394                         self.commands.append("ifconfig eth0 down")
 395                         self.commands.append("ifconfig wlan0 down")
 396                         self.commands.append("ifconfig ath0 up")
 397                 if mode == 'lan':
 398                         self.commands.append("ifconfig eth0 up")
 399                         self.commands.append("ifconfig wlan0 down")
 400                         self.commands.append("ifconfig ath0 down")
 401                 self.commands.append("/etc/init.d/avahi-daemon start")
 402                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinished, [mode,callback], debug=True)
 403
 404         def resetNetworkFinished(self,extra_args):
 405                 (mode, callback) = extra_args
 406                 if len(self.resetNetworkConsole.appContainers) == 0:
 407                         if callback is not None:
 408                                 callback(True,mode)
 409
 410         def checkNetworkState(self,statecallback):
 411                 # www.dream-multimedia-tv.de, www.heise.de, www.google.de
 412                 self.NetworkState = 0
 413                 cmd1 = "ping -c 1 82.149.226.170"
 414                 cmd2 = "ping -c 1 193.99.144.85"
 415                 cmd3 = "ping -c 1 209.85.135.103"
 416                 self.PingConsole = Console()
 417                 self.PingConsole.ePopen(cmd1, self.checkNetworkStateFinished,statecallback)
 418                 self.PingConsole.ePopen(cmd2, self.checkNetworkStateFinished,statecallback)
 419                 self.PingConsole.ePopen(cmd3, self.checkNetworkStateFinished,statecallback)
 420
 421         def checkNetworkStateFinished(self, result, retval,extra_args):
 422                 (statecallback) = extra_args
 423                 if self.PingConsole is not None:
 424                         if retval == 0:
 425                                 self.PingConsole = None
 426                                 statecallback(self.NetworkState)
 427                         else:
 428                                 self.NetworkState += 1
 429                                 if len(self.PingConsole.appContainers) == 0:
 430                                         statecallback(self.NetworkState)
 431
 432         def restartNetwork(self,callback = None):
 433                 self.restartConsole = Console()
 434                 self.config_ready = False
 435                 self.msgPlugins()
 436                 self.commands = []
 437                 self.commands.append("/etc/init.d/avahi-daemon stop")
 438                 for iface in self.ifaces.keys():
 439                         if iface != 'eth0' or not self.onRemoteRootFS():
 440                                 self.commands.append("ifdown " + iface)
 441                                 self.commands.append("ip addr flush dev " + iface)
 442                 self.commands.append("/etc/init.d/networking stop")
 443                 self.commands.append("killall -9 udhcpc")
 444                 self.commands.append("rm /var/run/udhcpc*")
 445                 self.commands.append("/etc/init.d/networking start")
 446                 self.commands.append("/etc/init.d/avahi-daemon start")
 447                 self.restartConsole.eBatch(self.commands, self.restartNetworkFinished, callback, debug=True)
 448
 449         def restartNetworkFinished(self,extra_args):
 450                 ( callback ) = extra_args
 451                 if callback is not None:
 452                         callback(True)
 453
 454         def getLinkState(self,iface,callback):
 455                 cmd = self.ethtool_bin + " " + iface
 456                 self.LinkConsole = Console()
 457                 self.LinkConsole.ePopen(cmd, self.getLinkStateFinished,callback)
 458
 459         def getLinkStateFinished(self, result, retval,extra_args):
 460                 (callback) = extra_args
 461
 462                 if self.LinkConsole is not None:
 463                         if len(self.LinkConsole.appContainers) == 0:
 464                                 callback(result)
 465
 466         def stopPingConsole(self):
 467                 if self.PingConsole is not None:
 468                         if len(self.PingConsole.appContainers):
 469                                 for name in self.PingConsole.appContainers.keys():
 470                                         self.PingConsole.kill(name)
 471
 472         def stopLinkStateConsole(self):
 473                 if self.LinkConsole is not None:
 474                         if len(self.LinkConsole.appContainers):
 475                                 for name in self.LinkConsole.appContainers.keys():
 476                                         self.LinkConsole.kill(name)
 477
 478         def stopDNSConsole(self):
 479                 if self.DnsConsole is not None:
 480                         if len(self.DnsConsole.appContainers):
 481                                 for name in self.DnsConsole.appContainers.keys():
 482                                         self.DnsConsole.kill(name)
 483
 484         def stopRestartConsole(self):
 485                 if self.restartConsole is not None:
 486                         if len(self.restartConsole.appContainers):
 487                                 for name in self.restartConsole.appContainers.keys():
 488                                         self.restartConsole.kill(name)
 489
 490         def stopGetInterfacesConsole(self):
 491                 if self.Console is not None:
 492                         if len(self.Console.appContainers):
 493                                 for name in self.Console.appContainers.keys():
 494                                         self.Console.kill(name)
 495
 496         def stopDeactivateInterfaceConsole(self):
 497                 if self.deactivateInterfaceConsole is not None:
 498                         self.deactivateInterfaceConsole.killAll()
 499                         self.deactivateInterfaceConsole = None
 500
 501         def stopActivateInterfaceConsole(self):
 502                 if self.activateInterfaceConsole is not None:
 503                         self.activateInterfaceConsole.killAll()
 504                         self.activateInterfaceConsole = None
 505
 506         def checkforInterface(self,iface):
 507                 if self.getAdapterAttribute(iface, 'up') is True:
 508                         return True
 509                 else:
 510                         ret=system("ifconfig " + iface + " up")
 511                         system("ifconfig " + iface + " down")
 512                         if ret == 0:
 513                                 return True
 514                         else:
 515                                 return False
 516
 517         def checkDNSLookup(self,statecallback):
 518                 cmd1 = "nslookup www.dream-multimedia-tv.de"
 519                 cmd2 = "nslookup www.heise.de"
 520                 cmd3 = "nslookup www.google.de"
 521                 self.DnsConsole = Console()
 522                 self.DnsConsole.ePopen(cmd1, self.checkDNSLookupFinished,statecallback)
 523                 self.DnsConsole.ePopen(cmd2, self.checkDNSLookupFinished,statecallback)
 524                 self.DnsConsole.ePopen(cmd3, self.checkDNSLookupFinished,statecallback)
 525
 526         def checkDNSLookupFinished(self, result, retval,extra_args):
 527                 (statecallback) = extra_args
 528                 if self.DnsConsole is not None:
 529                         if retval == 0:
 530                                 self.DnsConsole = None
 531                                 statecallback(self.DnsState)
 532                         else:
 533                                 self.DnsState += 1
 534                                 if len(self.DnsConsole.appContainers) == 0:
 535                                         statecallback(self.DnsState)
 536
 537         def deactivateInterface(self,ifaces,callback = None):
 538                 self.config_ready = False
 539                 self.msgPlugins()
 540                 commands = []
 541                 def buildCommands(iface):
 542                         commands.append("ifdown " + iface)
 543                         commands.append("ip addr flush dev " + iface)
 544                         #wpa_supplicant sometimes doesn't quit properly on SIGTERM
 545                         if os_path.exists('/var/run/wpa_supplicant/'+ iface):
 546                                 commands.append("wpa_cli -i" + iface + " terminate")
 547
 548                 if not self.deactivateInterfaceConsole:
 549                         self.deactivateInterfaceConsole = Console()
 550
 551                 if isinstance(ifaces, (list, tuple)):
 552                         for iface in ifaces:
 553                                 if iface != 'eth0' or not self.onRemoteRootFS():
 554                                         buildCommands(iface)
 555                 else:
 556                         if ifaces == 'eth0' and self.onRemoteRootFS():
 557                                 if callback is not None:
 558                                         callback(True)
 559                                 return
 560                         buildCommands(ifaces)
 561                 self.deactivateInterfaceConsole.eBatch(commands, self.deactivateInterfaceFinished, [ifaces,callback], debug=True)
 562
 563         def deactivateInterfaceFinished(self,extra_args):
 564                 (ifaces, callback) = extra_args
 565                 def checkCommandResult(iface):
 566                         if self.deactivateInterfaceConsole and self.deactivateInterfaceConsole.appResults.has_key("ifdown " + iface):
 567                                 result = str(self.deactivateInterfaceConsole.appResults.get("ifdown " + iface)).strip("\n")
 568                                 if result == "ifdown: interface " + iface + " not configured":
 569                                         return False
 570                                 else:
 571                                         return True
 572                 #ifdown sometimes can't get the interface down.
 573                 if isinstance(ifaces, (list, tuple)):
 574                         for iface in ifaces:
 575                                 if checkCommandResult(iface) is False:
 576                                         Console().ePopen(("ifconfig " + iface + " down" ))
 577                 else:
 578                         if checkCommandResult(ifaces) is False:
 579                                 Console().ePopen(("ifconfig " + ifaces + " down" ))
 580
 581                 if self.deactivateInterfaceConsole:
 582                         if len(self.deactivateInterfaceConsole.appContainers) == 0:
 583                                 if callback is not None:
 584                                         callback(True)
 585
 586         def activateInterface(self,iface,callback = None):
 587                 if self.config_ready:
 588                         self.config_ready = False
 589                         self.msgPlugins()
 590                 if iface == 'eth0' and self.onRemoteRootFS():
 591                         if callback is not None:
 592                                 callback(True)
 593                         return
 594                 if not self.activateInterfaceConsole:
 595                         self.activateInterfaceConsole = Console()
 596                 commands = []
 597                 commands.append("ifup " + iface)
 598                 self.activateInterfaceConsole.eBatch(commands, self.activateInterfaceFinished, callback, debug=True)
 599
 600         def activateInterfaceFinished(self,extra_args):
 601                 callback = extra_args
 602                 if self.activateInterfaceConsole:
 603                         if len(self.activateInterfaceConsole.appContainers) == 0:
 604                                 if callback is not None:
 605                                         callback(True)
 606
 607         def sysfsPath(self, iface):
 608                 return '/sys/class/net/' + iface
 609
 610         def isWirelessInterface(self, iface):
 611                 if os_path.isdir(self.sysfsPath(iface) + '/wireless'):
 612                         return True
 613                 else:
 614                         ifaces = file('/proc/net/wireless').read().strip()
 615                         if iface in ifaces:
 616                                 return True
 617                         else:
 618                                 return False
 619
 620         def getWlanModuleDir(self, iface = None):
 621                 devicedir = self.sysfsPath(iface) + '/device'
 622                 moduledir = devicedir + '/driver/module'
 623                 if not os_path.isdir(moduledir):
 624                         tmpfiles = listdir(devicedir)
 625                         moduledir_found = False
 626                         for x in tmpfiles:
 627                                 if x.startswith("1-"):
 628                                         moduledir_found = True
 629                                         moduledir = devicedir + '/' + x + '/driver/module'
 630                         if not moduledir_found:
 631                                 moduledir_found = True
 632                                 if os_path.isdir(devicedir + '/driver'):
 633                                         moduledir = devicedir + '/driver'
 634
 635                 return moduledir
 636
 637         def detectWlanModule(self, iface = None):
 638                 if not self.isWirelessInterface(iface):
 639                         return None
 640
 641                 devicedir = self.sysfsPath(iface) + '/device'
 642                 if os_path.isdir(devicedir + '/ieee80211'):
 643                         return 'nl80211'
 644
 645                 moduledir = self.getWlanModuleDir(iface)
 646                 if os_path.isdir(moduledir):
 647                         module = os_path.basename(os_path.realpath(moduledir))
 648                         if module in ('ath_pci','ath5k'):
 649                                 return 'madwifi'
 650                         if module in ('rt73','rt73'):
 651                                 return 'ralink'
 652                         if module == 'zd1211b':
 653                                 return 'zydas'
 654                 return 'wext'
 655
 656         def calc_netmask(self,nmask):
 657                 from struct import pack, unpack
 658                 from socket import inet_ntoa, inet_aton
 659                 mask = 1L<<31
 660                 xnet = (1L<<32)-1
 661                 cidr_range = range(0, 32)
 662                 cidr = long(nmask)
 663                 if cidr not in cidr_range:
 664                         print 'cidr invalid: %d' % cidr
 665                         return None
 666                 else:
 667                         nm = ((1L<<cidr)-1)<<(32-cidr)
 668                         netmask = str(inet_ntoa(pack('>L', nm)))
 669                         return netmask
 670
 671         def msgPlugins(self):
 672                 if self.config_ready is not None:
 673                         for p in plugins.getPlugins(PluginDescriptor.WHERE_NETWORKCONFIG_READ):
 674                                 p(reason=self.config_ready)
 675
 676 iNetwork = Network()
 677
 678 def InitNetwork():
 679         pass