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