code.vuplus.com Git - vuplus_dvbapp/blob - 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 isBlacklisted(self, iface):
  49                 return iface in ('lo', 'wifi0', 'wmaster0')
  50
  51         def getInterfaces(self, callback = None):
  52                 self.configuredInterfaces = []
  53                 for device in self.getInstalledAdapters():
  54                         self.getAddrInet(device, callback)
  55
  56         # helper function
  57         def regExpMatch(self, pattern, string):
  58                 if string is None:
  59                         return None
  60                 try:
  61                         return pattern.search(string).group()
  62                 except AttributeError:
  63                         return None
  64
  65         # helper function to convert ips from a sring to a list of ints
  66         def convertIP(self, ip):
  67                 return [ int(n) for n in ip.split('.') ]
  68
  69         def getAddrInet(self, iface, callback):
  70                 if not self.Console:
  71                         self.Console = Console()
  72                 cmd = "ip -o addr show dev " + iface
  73                 self.Console.ePopen(cmd, self.IPaddrFinished, [iface,callback])
  74
  75         def IPaddrFinished(self, result, retval, extra_args):
  76                 (iface, callback ) = extra_args
  77                 data = { 'up': False, 'dhcp': False, 'preup' : False, 'predown' : False, 'dns-nameservers' : False }
  78                 globalIPpattern = re_compile("scope global")
  79                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
  80                 netRegexp = '[0-9]{1,2}'
  81                 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}'
  82                 ipLinePattern = re_compile('inet ' + ipRegexp + '/')
  83                 ipPattern = re_compile(ipRegexp)
  84                 netmaskLinePattern = re_compile('/' + netRegexp)
  85                 netmaskPattern = re_compile(netRegexp)
  86                 bcastLinePattern = re_compile(' brd ' + ipRegexp)
  87                 upPattern = re_compile('UP')
  88                 macPattern = re_compile(macRegexp)
  89                 macLinePattern = re_compile('link/ether ' + macRegexp)
  90
  91                 for line in result.splitlines():
  92                         split = line.strip().split(' ',2)
  93                         if (split[1][:-1] == iface):
  94                                 up = self.regExpMatch(upPattern, split[2])
  95                                 mac = self.regExpMatch(macPattern, self.regExpMatch(macLinePattern, split[2]))
  96                                 if up is not None:
  97                                         data['up'] = True
  98                                         if iface is not 'lo':
  99                                                 self.configuredInterfaces.append(iface)
 100                                 if mac is not None:
 101                                         data['mac'] = mac
 102                         if (split[1] == iface):
 103                                 if re_search(globalIPpattern, split[2]):
 104                                         ip = self.regExpMatch(ipPattern, self.regExpMatch(ipLinePattern, split[2]))
 105                                         netmask = self.calc_netmask(self.regExpMatch(netmaskPattern, self.regExpMatch(netmaskLinePattern, split[2])))
 106                                         bcast = self.regExpMatch(ipPattern, self.regExpMatch(bcastLinePattern, split[2]))
 107                                         if ip is not None:
 108                                                 data['ip'] = self.convertIP(ip)
 109                                         if netmask is not None:
 110                                                 data['netmask'] = self.convertIP(netmask)
 111                                         if bcast is not None:
 112                                                 data['bcast'] = self.convertIP(bcast)
 113
 114                 if not data.has_key('ip'):
 115                         data['dhcp'] = True
 116                         data['ip'] = [0, 0, 0, 0]
 117                         data['netmask'] = [0, 0, 0, 0]
 118                         data['gateway'] = [0, 0, 0, 0]
 119
 120                 cmd = "route -n | grep  " + iface
 121                 self.Console.ePopen(cmd,self.routeFinished, [iface, data, callback])
 122
 123         def routeFinished(self, result, retval, extra_args):
 124                 (iface, data, callback) = extra_args
 125                 ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
 126                 ipPattern = re_compile(ipRegexp)
 127                 ipLinePattern = re_compile(ipRegexp)
 128
 129                 for line in result.splitlines():
 130                         print line[0:7]
 131                         if line[0:7] == "0.0.0.0":
 132                                 gateway = self.regExpMatch(ipPattern, line[16:31])
 133                                 if gateway:
 134                                         data['gateway'] = self.convertIP(gateway)
 135
 136                 self.ifaces[iface] = data
 137                 self.loadNetworkConfig(iface,callback)
 138
 139         def writeNetworkConfig(self):
 140                 self.configuredInterfaces = []
 141                 fp = file('/etc/network/interfaces', 'w')
 142                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 143                 fp.write("auto lo\n")
 144                 fp.write("iface lo inet loopback\n\n")
 145                 for ifacename, iface in self.ifaces.items():
 146                         if iface['up'] == True:
 147                                 fp.write("auto " + ifacename + "\n")
 148                                 self.configuredInterfaces.append(ifacename)
 149                         if iface['dhcp'] == True:
 150                                 fp.write("iface "+ ifacename +" inet dhcp\n")
 151                         if iface['dhcp'] == False:
 152                                 fp.write("iface "+ ifacename +" inet static\n")
 153                                 if iface.has_key('ip'):
 154                                         print tuple(iface['ip'])
 155                                         fp.write("      address %d.%d.%d.%d\n" % tuple(iface['ip']))
 156                                         fp.write("      netmask %d.%d.%d.%d\n" % tuple(iface['netmask']))
 157                                         if iface.has_key('gateway'):
 158                                                 fp.write("      gateway %d.%d.%d.%d\n" % tuple(iface['gateway']))
 159                         if iface.has_key("configStrings"):
 160                                 fp.write(iface["configStrings"])
 161                         if iface["preup"] is not False and not iface.has_key("configStrings"):
 162                                 fp.write(iface["preup"])
 163                         if iface["predown"] is not False and not iface.has_key("configStrings"):
 164                                 fp.write(iface["predown"])
 165                         if iface["dns-nameservers"] is not False and len(iface["dns-nameservers"])>0:
 166                                 fp.write("%s" % (iface["dns-nameservers"]))
 167                         fp.write("\n")
 168                 fp.close()
 169                 self.configuredNetworkAdapters = self.configuredInterfaces
 170 #               self.writeNameserverConfig()
 171
 172         def writeNameserverConfig(self):
 173                 fp = file('/etc/resolv.conf', 'w')
 174                 for nameserver in self.nameservers:
 175                         fp.write("nameserver %d.%d.%d.%d\n" % tuple(nameserver))
 176                 fp.close()
 177
 178         def loadNetworkConfig(self,iface,callback = None):
 179                 interfaces = []
 180                 # parse the interfaces-file
 181                 try:
 182                         fp = file('/etc/network/interfaces', 'r')
 183                         interfaces = fp.readlines()
 184                         fp.close()
 185                 except:
 186                         print "[Network.py] interfaces - opening failed"
 187
 188                 ifaces = {}
 189                 currif = ""
 190                 for i in interfaces:
 191                         split = i.strip().split(' ')
 192                         if (split[0] == "iface"):
 193                                 currif = split[1]
 194                                 ifaces[currif] = {}
 195                                 if (len(split) == 4 and split[3] == "dhcp"):
 196                                         ifaces[currif]["dhcp"] = True
 197                                 else:
 198                                         ifaces[currif]["dhcp"] = False
 199                         if (currif == iface): #read information only for available interfaces
 200                                 if (split[0] == "address"):
 201                                         ifaces[currif]["address"] = map(int, split[1].split('.'))
 202                                         if self.ifaces[currif].has_key("ip"):
 203                                                 if self.ifaces[currif]["ip"] != ifaces[currif]["address"] and ifaces[currif]["dhcp"] == False:
 204                                                         self.ifaces[currif]["ip"] = map(int, split[1].split('.'))
 205                                 if (split[0] == "netmask"):
 206                                         ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 207                                         if self.ifaces[currif].has_key("netmask"):
 208                                                 if self.ifaces[currif]["netmask"] != ifaces[currif]["netmask"] and ifaces[currif]["dhcp"] == False:
 209                                                         self.ifaces[currif]["netmask"] = map(int, split[1].split('.'))
 210                                 if (split[0] == "gateway"):
 211                                         ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 212                                         if self.ifaces[currif].has_key("gateway"):
 213                                                 if self.ifaces[currif]["gateway"] != ifaces[currif]["gateway"] and ifaces[currif]["dhcp"] == False:
 214                                                         self.ifaces[currif]["gateway"] = map(int, split[1].split('.'))
 215                                 if (split[0] == "pre-up"):
 216                                         if self.ifaces[currif].has_key("preup"):
 217                                                 self.ifaces[currif]["preup"] = i
 218                                 if (split[0] in ("pre-down","post-down")):
 219                                         if self.ifaces[currif].has_key("predown"):
 220                                                 self.ifaces[currif]["predown"] = i
 221                                 if (split[0] == "dns-nameservers"):
 222                                         if self.ifaces[currif].has_key("dns-nameservers"):
 223                                                 self.ifaces[currif]["dns-nameservers"] = i
 224
 225                 for ifacename, iface in ifaces.items():
 226                         if self.ifaces.has_key(ifacename):
 227                                 self.ifaces[ifacename]["dhcp"] = iface["dhcp"]
 228                 if self.Console:
 229                         if len(self.Console.appContainers) == 0:
 230                                 # save configured interfacelist
 231                                 self.configuredNetworkAdapters = self.configuredInterfaces
 232                                 # load ns only once
 233                                 self.loadNameserverConfig()
 234                                 print "read configured interface:", ifaces
 235                                 print "self.ifaces after loading:", self.ifaces
 236                                 self.config_ready = True
 237                                 self.msgPlugins()
 238                                 if callback is not None:
 239                                         callback(True)
 240
 241         def loadNameserverConfig(self):
 242                 ipRegexp = "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
 243                 nameserverPattern = re_compile("nameserver +" + ipRegexp)
 244                 ipPattern = re_compile(ipRegexp)
 245
 246                 resolv = []
 247                 try:
 248                         fp = file('/etc/resolv.conf', 'r')
 249                         resolv = fp.readlines()
 250                         fp.close()
 251                         self.nameservers = []
 252                 except:
 253                         print "[Network.py] resolv.conf - opening failed"
 254
 255                 for line in resolv:
 256                         if self.regExpMatch(nameserverPattern, line) is not None:
 257                                 ip = self.regExpMatch(ipPattern, line)
 258                                 if ip:
 259                                         self.nameservers.append(self.convertIP(ip))
 260
 261                 print "nameservers:", self.nameservers
 262
 263         def getInstalledAdapters(self):
 264                 return [x for x in listdir('/sys/class/net') if not self.isBlacklisted(x)]
 265
 266         def getConfiguredAdapters(self):
 267                 return self.configuredNetworkAdapters
 268
 269         def getNumberOfAdapters(self):
 270                 return len(self.ifaces)
 271
 272         def getFriendlyAdapterName(self, x):
 273                 if x in self.friendlyNames.keys():
 274                         return self.friendlyNames.get(x, x)
 275                 self.friendlyNames[x] = self.getFriendlyAdapterNaming(x)
 276                 return self.friendlyNames.get(x, x) # when we have no friendly name, use adapter name
 277
 278         def getFriendlyAdapterNaming(self, iface):
 279                 name = None
 280                 if self.isWirelessInterface(iface):
 281                         if iface not in self.wlan_interfaces:
 282                                 name = _("WLAN connection")
 283                                 if len(self.wlan_interfaces):
 284                                         name += " " + str(len(self.wlan_interfaces)+1)
 285                                 self.wlan_interfaces.append(iface)
 286                 else:
 287                         if iface not in self.lan_interfaces:
 288                                 name = _("LAN connection")
 289                                 if len(self.lan_interfaces):
 290                                         name += " " + str(len(self.lan_interfaces)+1)
 291                                 self.lan_interfaces.append(iface)
 292                 return name
 293
 294         def getFriendlyAdapterDescription(self, iface):
 295                 if not self.isWirelessInterface(iface):
 296                         return _('Ethernet network interface')
 297
 298                 moduledir = self.getWlanModuleDir(iface)
 299                 if moduledir:
 300                         name = os_path.basename(os_path.realpath(moduledir))
 301                         if name in ('ath_pci','ath5k'):
 302                                 name = 'Atheros'
 303                         elif name in ('rt73','rt73usb','rt3070sta'):
 304                                 name = 'Ralink'
 305                         elif name == 'zd1211b':
 306                                 name = 'Zydas'
 307                         elif name == 'r871x_usb_drv':
 308                                 name = 'Realtek'
 309                 else:
 310                         name = _('Unknown')
 311
 312                 return name + ' ' + _('wireless network interface')
 313
 314         def getAdapterName(self, iface):
 315                 return iface
 316
 317         def getAdapterList(self):
 318                 return self.ifaces.keys()
 319
 320         def getAdapterAttribute(self, iface, attribute):
 321                 if self.ifaces.has_key(iface):
 322                         if self.ifaces[iface].has_key(attribute):
 323                                 return self.ifaces[iface][attribute]
 324                 return None
 325
 326         def setAdapterAttribute(self, iface, attribute, value):
 327                 print "setting for adapter", iface, "attribute", attribute, " to value", value
 328                 if self.ifaces.has_key(iface):
 329                         self.ifaces[iface][attribute] = value
 330
 331         def removeAdapterAttribute(self, iface, attribute):
 332                 if self.ifaces.has_key(iface):
 333                         if self.ifaces[iface].has_key(attribute):
 334                                 del self.ifaces[iface][attribute]
 335
 336         def getNameserverList(self):
 337                 if len(self.nameservers) == 0:
 338                         return [[0, 0, 0, 0], [0, 0, 0, 0]]
 339                 else:
 340                         return self.nameservers
 341
 342         def clearNameservers(self):
 343                 self.nameservers = []
 344
 345         def addNameserver(self, nameserver):
 346                 if nameserver not in self.nameservers:
 347                         self.nameservers.append(nameserver)
 348
 349         def removeNameserver(self, nameserver):
 350                 if nameserver in self.nameservers:
 351                         self.nameservers.remove(nameserver)
 352
 353         def changeNameserver(self, oldnameserver, newnameserver):
 354                 if oldnameserver in self.nameservers:
 355                         for i in range(len(self.nameservers)):
 356                                 if self.nameservers[i] == oldnameserver:
 357                                         self.nameservers[i] = newnameserver
 358
 359         def resetNetworkConfig(self, mode='lan', callback = None):
 360                 self.resetNetworkConsole = Console()
 361                 self.commands = []
 362                 self.commands.append("/etc/init.d/avahi-daemon stop")
 363                 for iface in self.ifaces.keys():
 364                         if iface != 'eth0' or not self.onRemoteRootFS():
 365                                 self.commands.append("ip addr flush dev " + iface)
 366                 self.commands.append("/etc/init.d/networking stop")
 367                 self.commands.append("killall -9 udhcpc")
 368                 self.commands.append("rm /var/run/udhcpc*")
 369                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinishedCB, [mode, callback], debug=True)
 370
 371         def resetNetworkFinishedCB(self, extra_args):
 372                 (mode, callback) = extra_args
 373                 if len(self.resetNetworkConsole.appContainers) == 0:
 374                         self.writeDefaultNetworkConfig(mode, callback)
 375
 376         def writeDefaultNetworkConfig(self,mode='lan', callback = None):
 377                 fp = file('/etc/network/interfaces', 'w')
 378                 fp.write("# automatically generated by enigma 2\n# do NOT change manually!\n\n")
 379                 fp.write("auto lo\n")
 380                 fp.write("iface lo inet loopback\n\n")
 381                 if mode == 'wlan':
 382                         fp.write("auto wlan0\n")
 383                         fp.write("iface wlan0 inet dhcp\n")
 384                 if mode == 'wlan-mpci':
 385                         fp.write("auto ath0\n")
 386                         fp.write("iface ath0 inet dhcp\n")
 387                 if mode == 'lan':
 388                         fp.write("auto eth0\n")
 389                         fp.write("iface eth0 inet dhcp\n")
 390                 fp.write("\n")
 391                 fp.close()
 392
 393                 self.resetNetworkConsole = Console()
 394                 self.commands = []
 395                 if mode == 'wlan':
 396                         self.commands.append("ifconfig eth0 down")
 397                         self.commands.append("ifconfig ath0 down")
 398                         self.commands.append("ifconfig wlan0 up")
 399                 if mode == 'wlan-mpci':
 400                         self.commands.append("ifconfig eth0 down")
 401                         self.commands.append("ifconfig wlan0 down")
 402                         self.commands.append("ifconfig ath0 up")
 403                 if mode == 'lan':
 404                         self.commands.append("ifconfig eth0 up")
 405                         self.commands.append("ifconfig wlan0 down")
 406                         self.commands.append("ifconfig ath0 down")
 407                 self.commands.append("/etc/init.d/avahi-daemon start")
 408                 self.resetNetworkConsole.eBatch(self.commands, self.resetNetworkFinished, [mode,callback], debug=True)
 409
 410         def resetNetworkFinished(self,extra_args):
 411                 (mode, callback) = extra_args
 412                 if len(self.resetNetworkConsole.appContainers) == 0:
 413                         if callback is not None:
 414                                 callback(True,mode)
 415
 416         def checkNetworkState(self,statecallback):
 417                 # www.dream-multimedia-tv.de, www.heise.de, www.google.de
 418                 self.NetworkState = 0
 419                 cmd1 = "ping -c 1 82.149.226.170"
 420                 cmd2 = "ping -c 1 193.99.144.85"
 421                 cmd3 = "ping -c 1 209.85.135.103"
 422                 self.PingConsole = Console()
 423                 self.PingConsole.ePopen(cmd1, self.checkNetworkStateFinished,statecallback)
 424                 self.PingConsole.ePopen(cmd2, self.checkNetworkStateFinished,statecallback)
 425                 self.PingConsole.ePopen(cmd3, self.checkNetworkStateFinished,statecallback)
 426
 427         def checkNetworkStateFinished(self, result, retval,extra_args):
 428                 (statecallback) = extra_args
 429                 if self.PingConsole is not None:
 430                         if retval == 0:
 431                                 self.PingConsole = None
 432                                 statecallback(self.NetworkState)
 433                         else:
 434                                 self.NetworkState += 1
 435                                 if len(self.PingConsole.appContainers) == 0:
 436                                         statecallback(self.NetworkState)
 437
 438         def restartNetwork(self,callback = None):
 439                 self.restartConsole = Console()
 440                 self.config_ready = False
 441                 self.msgPlugins()
 442                 self.commands = []
 443                 self.commands.append("/etc/init.d/avahi-daemon stop")
 444                 for iface in self.ifaces.keys():
 445                         if iface != 'eth0' or not self.onRemoteRootFS():
 446                                 self.commands.append("ifdown " + iface)
 447                                 self.commands.append("ip addr flush dev " + iface)
 448                 self.commands.append("/etc/init.d/networking stop")
 449                 self.commands.append("killall -9 udhcpc")
 450                 self.commands.append("rm /var/run/udhcpc*")
 451                 self.commands.append("/etc/init.d/networking start")
 452                 self.commands.append("/etc/init.d/avahi-daemon start")
 453                 self.restartConsole.eBatch(self.commands, self.restartNetworkFinished, callback, debug=True)
 454
 455         def restartNetworkFinished(self,extra_args):
 456                 ( callback ) = extra_args
 457                 if callback is not None:
 458                         callback(True)
 459
 460         def getLinkState(self,iface,callback):
 461                 cmd = self.ethtool_bin + " " + iface
 462                 self.LinkConsole = Console()
 463                 self.LinkConsole.ePopen(cmd, self.getLinkStateFinished,callback)
 464
 465         def getLinkStateFinished(self, result, retval,extra_args):
 466                 (callback) = extra_args
 467
 468                 if self.LinkConsole is not None:
 469                         if len(self.LinkConsole.appContainers) == 0:
 470                                 callback(result)
 471
 472         def stopPingConsole(self):
 473                 if self.PingConsole is not None:
 474                         if len(self.PingConsole.appContainers):
 475                                 for name in self.PingConsole.appContainers.keys():
 476                                         self.PingConsole.kill(name)
 477
 478         def stopLinkStateConsole(self):
 479                 if self.LinkConsole is not None:
 480                         if len(self.LinkConsole.appContainers):
 481                                 for name in self.LinkConsole.appContainers.keys():
 482                                         self.LinkConsole.kill(name)
 483
 484         def stopDNSConsole(self):
 485                 if self.DnsConsole is not None:
 486                         if len(self.DnsConsole.appContainers):
 487                                 for name in self.DnsConsole.appContainers.keys():
 488                                         self.DnsConsole.kill(name)
 489
 490         def stopRestartConsole(self):
 491                 if self.restartConsole is not None:
 492                         if len(self.restartConsole.appContainers):
 493                                 for name in self.restartConsole.appContainers.keys():
 494                                         self.restartConsole.kill(name)
 495
 496         def stopGetInterfacesConsole(self):
 497                 if self.Console is not None:
 498                         if len(self.Console.appContainers):
 499                                 for name in self.Console.appContainers.keys():
 500                                         self.Console.kill(name)
 501
 502         def stopDeactivateInterfaceConsole(self):
 503                 if self.deactivateInterfaceConsole is not None:
 504                         self.deactivateInterfaceConsole.killAll()
 505                         self.deactivateInterfaceConsole = None
 506
 507         def stopActivateInterfaceConsole(self):
 508                 if self.activateInterfaceConsole is not None:
 509                         self.activateInterfaceConsole.killAll()
 510                         self.activateInterfaceConsole = None
 511
 512         def checkforInterface(self,iface):
 513                 if self.getAdapterAttribute(iface, 'up') is True:
 514                         return True
 515                 else:
 516                         ret=system("ifconfig " + iface + " up")
 517                         system("ifconfig " + iface + " down")
 518                         if ret == 0:
 519                                 return True
 520                         else:
 521                                 return False
 522
 523         def checkDNSLookup(self,statecallback):
 524                 cmd1 = "nslookup www.dream-multimedia-tv.de"
 525                 cmd2 = "nslookup www.heise.de"
 526                 cmd3 = "nslookup www.google.de"
 527                 self.DnsConsole = Console()
 528                 self.DnsConsole.ePopen(cmd1, self.checkDNSLookupFinished,statecallback)
 529                 self.DnsConsole.ePopen(cmd2, self.checkDNSLookupFinished,statecallback)
 530                 self.DnsConsole.ePopen(cmd3, self.checkDNSLookupFinished,statecallback)
 531
 532         def checkDNSLookupFinished(self, result, retval,extra_args):
 533                 (statecallback) = extra_args
 534                 if self.DnsConsole is not None:
 535                         if retval == 0:
 536                                 self.DnsConsole = None
 537                                 statecallback(self.DnsState)
 538                         else:
 539                                 self.DnsState += 1
 540                                 if len(self.DnsConsole.appContainers) == 0:
 541                                         statecallback(self.DnsState)
 542
 543         def deactivateInterface(self,ifaces,callback = None):
 544                 self.config_ready = False
 545                 self.msgPlugins()
 546                 commands = []
 547                 def buildCommands(iface):
 548                         commands.append("ifdown " + iface)
 549                         commands.append("ip addr flush dev " + iface)
 550                         #wpa_supplicant sometimes doesn't quit properly on SIGTERM
 551                         if os_path.exists('/var/run/wpa_supplicant/'+ iface):
 552                                 commands.append("wpa_cli -i" + iface + " terminate")
 553
 554                 if not self.deactivateInterfaceConsole:
 555                         self.deactivateInterfaceConsole = Console()
 556
 557                 if isinstance(ifaces, (list, tuple)):
 558                         for iface in ifaces:
 559                                 if iface != 'eth0' or not self.onRemoteRootFS():
 560                                         buildCommands(iface)
 561                 else:
 562                         if ifaces == 'eth0' and self.onRemoteRootFS():
 563                                 if callback is not None:
 564                                         callback(True)
 565                                 return
 566                         buildCommands(ifaces)
 567                 self.deactivateInterfaceConsole.eBatch(commands, self.deactivateInterfaceFinished, [ifaces,callback], debug=True)
 568
 569         def deactivateInterfaceFinished(self,extra_args):
 570                 (ifaces, callback) = extra_args
 571                 def checkCommandResult(iface):
 572                         if self.deactivateInterfaceConsole and self.deactivateInterfaceConsole.appResults.has_key("ifdown " + iface):
 573                                 result = str(self.deactivateInterfaceConsole.appResults.get("ifdown " + iface)).strip("\n")
 574                                 if result == "ifdown: interface " + iface + " not configured":
 575                                         return False
 576                                 else:
 577                                         return True
 578                 #ifdown sometimes can't get the interface down.
 579                 if isinstance(ifaces, (list, tuple)):
 580                         for iface in ifaces:
 581                                 if checkCommandResult(iface) is False:
 582                                         Console().ePopen(("ifconfig " + iface + " down" ))
 583                 else:
 584                         if checkCommandResult(ifaces) is False:
 585                                 Console().ePopen(("ifconfig " + ifaces + " down" ))
 586
 587                 if self.deactivateInterfaceConsole:
 588                         if len(self.deactivateInterfaceConsole.appContainers) == 0:
 589                                 if callback is not None:
 590                                         callback(True)
 591
 592         def activateInterface(self,iface,callback = None):
 593                 if self.config_ready:
 594                         self.config_ready = False
 595                         self.msgPlugins()
 596                 if iface == 'eth0' and self.onRemoteRootFS():
 597                         if callback is not None:
 598                                 callback(True)
 599                         return
 600                 if not self.activateInterfaceConsole:
 601                         self.activateInterfaceConsole = Console()
 602                 commands = []
 603                 commands.append("ifup " + iface)
 604                 self.activateInterfaceConsole.eBatch(commands, self.activateInterfaceFinished, callback, debug=True)
 605
 606         def activateInterfaceFinished(self,extra_args):
 607                 callback = extra_args
 608                 if self.activateInterfaceConsole:
 609                         if len(self.activateInterfaceConsole.appContainers) == 0:
 610                                 if callback is not None:
 611                                         callback(True)
 612
 613         def sysfsPath(self, iface):
 614                 return '/sys/class/net/' + iface
 615
 616         def isWirelessInterface(self, iface):
 617                 if iface in self.wlan_interfaces:
 618                         return True
 619
 620                 if os_path.isdir(self.sysfsPath(iface) + '/wireless'):
 621                         return True
 622
 623                 # r871x_usb_drv on kernel 2.6.12 is not identifiable over /sys/class/net/'ifacename'/wireless so look also inside /proc/net/wireless
 624                 device = re_compile('[a-z]{2,}[0-9]*:')
 625                 ifnames = []
 626                 fp = open('/proc/net/wireless', 'r')
 627                 for line in fp:
 628                         try:
 629                                 ifnames.append(device.search(line).group()[:-1])
 630                         except AttributeError:
 631                                 pass
 632                 if iface in ifnames:
 633                         return True
 634
 635                 return False
 636
 637         def getWlanModuleDir(self, iface = None):
 638                 devicedir = self.sysfsPath(iface) + '/device'
 639                 moduledir = devicedir + '/driver/module'
 640                 if os_path.isdir(moduledir):
 641                         return moduledir
 642
 643                 # identification is not possible over default moduledir
 644                 for x in listdir(devicedir):
 645                         # 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
 646                         if x.startswith("1-"):
 647                                 moduledir = devicedir + '/' + x + '/driver/module'
 648                                 if os_path.isdir(moduledir):
 649                                         return moduledir
 650                 # rt73, zd1211b, r871x_usb_drv on kernel 2.6.12 can be identified over /sys/class/net/'ifacename'/device/driver, so look also here
 651                 moduledir = devicedir + '/driver'
 652                 if os_path.isdir(moduledir):
 653                         return moduledir
 654
 655                 return None
 656
 657         def detectWlanModule(self, iface = None):
 658                 if not self.isWirelessInterface(iface):
 659                         return None
 660
 661                 devicedir = self.sysfsPath(iface) + '/device'
 662                 if os_path.isdir(devicedir + '/ieee80211'):
 663                         return 'nl80211'
 664
 665                 moduledir = self.getWlanModuleDir(iface)
 666                 if moduledir:
 667                         module = os_path.basename(os_path.realpath(moduledir))
 668                         if module in ('ath_pci','ath5k'):
 669                                 return 'madwifi'
 670                         if module in ('rt73','rt73'):
 671                                 return 'ralink'
 672                         if module == 'zd1211b':
 673                                 return 'zydas'
 674                 return 'wext'
 675
 676         def calc_netmask(self,nmask):
 677                 from struct import pack, unpack
 678                 from socket import inet_ntoa, inet_aton
 679                 mask = 1L<<31
 680                 xnet = (1L<<32)-1
 681                 cidr_range = range(0, 32)
 682                 cidr = long(nmask)
 683                 if cidr not in cidr_range:
 684                         print 'cidr invalid: %d' % cidr
 685                         return None
 686                 else:
 687                         nm = ((1L<<cidr)-1)<<(32-cidr)
 688                         netmask = str(inet_ntoa(pack('>L', nm)))
 689                         return netmask
 690
 691         def msgPlugins(self):
 692                 if self.config_ready is not None:
 693                         for p in plugins.getPlugins(PluginDescriptor.WHERE_NETWORKCONFIG_READ):
 694                                 p(reason=self.config_ready)
 695
 696         def getInterfacesNameserverList(self, iface):
 697                 result = []
 698                 nameservers = self.getAdapterAttribute(iface, "dns-nameservers")
 699                 if nameservers:
 700                         ipRegexp = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
 701                         ipPattern = re_compile(ipRegexp)
 702                         for x in nameservers.split()[1:]:
 703                                 ip = self.regExpMatch(ipPattern, x)
 704                                 if ip:
 705                                         result.append( [ int(n) for n in ip.split('.') ] )
 706                 return result
 707
 708 iNetwork = Network()
 709
 710 def InitNetwork():
 711         pass