+from enigma import eListboxPythonMultiContent, eListbox, gFont, RT_HALIGN_LEFT, RT_HALIGN_RIGHT, RT_HALIGN_CENTER
+
+from Components.MultiContent import MultiContentEntryText
+from Components.GUIComponent import GUIComponent
+from Components.HTMLComponent import HTMLComponent
+from Components.config import config, ConfigYesNo, ConfigIP, NoSave, ConfigSubsection, ConfigMAC, ConfigEnableDisable, ConfigText, ConfigSelection
+
+from pythonwifi import iwlibs
+
+import os, string
+
+
+list = []
+list.append(_("WEP"))
+list.append(_("WPA"))
+list.append(_("WPA2"))
+
+config.plugins.wlan = ConfigSubsection()
+config.plugins.wlan.essid = NoSave(ConfigText(default = "home", fixed_size = False))
+
+config.plugins.wlan.encryption = ConfigSubsection()
+config.plugins.wlan.encryption.enabled = NoSave(ConfigYesNo(default = False))
+config.plugins.wlan.encryption.type = NoSave(ConfigSelection(list, default = _("WPA")))
+config.plugins.wlan.encryption.psk = NoSave(ConfigText(default = "mysecurewlan", fixed_size = False))
+
+class Wlan:
+ def __init__(self):
+ a = ''; b = ''
+
+ for i in range(0, 255):
+ a = a + chr(i)
+ if i < 32 or i > 127:
+ b = b + ' '
+ else:
+ b = b + chr(i)
+
+ self.asciitrans = string.maketrans(a, b)
+
+ def asciify(self, str):
+ return str.translate(self.asciitrans)
+
+ def getWirelessInterfaces(self):
+ iwifaces = None
+ try:
+ iwifaces = iwlibs.getNICnames()
+ except:
+ iwifaces = None
+ "[Wlan.py] No Wireless Networkcards could be found"
+
+ return iwifaces
+
+ def getNetworkList(self, iface):
+
+ ifobj = iwlibs.Wireless(iface) # a Wireless NIC Object
+
+ #Association mappings
+ stats, quality, discard, missed_beacon = ifobj.getStatistics()
+ snr = quality.signallevel - quality.noiselevel
+
+ try:
+ scanresults = ifobj.scan()
+ except:
+ scanresults = None
+ print "[Wlan.py] No Wireless Networks could be found"
+
+ if scanresults is not None:
+ aps = {}
+ for result in scanresults:
+
+ bssid = result.bssid
+
+ encryption = map(lambda x: hex(ord(x)), result.encode)
+
+ if encryption[-1] == "0x8":
+ encryption = True
+ else:
+ encryption = False
+
+ extra = []
+ for element in result.custom:
+ element = element.encode()
+ extra.append( string.strip(self.asciify(element)) )
+
+ aps[bssid] = {
+ 'active' : True,
+ 'bssid': result.bssid,
+ 'channel': result.frequency.getChannel(result.frequency.getFrequency(), result.range),
+ 'encrypted': encryption,
+ 'essid': string.strip(self.asciify(result.essid)),
+ 'iface': iface,
+ 'maxrate' : result.rate[-1],
+ 'noise' : result.quality.getNoiselevel(),
+ 'quality' : result.quality.quality,
+ 'signal' : result.quality.getSignallevel(),
+ 'custom' : extra,
+ }
+
+ return aps
+
+
+class WlanList(HTMLComponent, GUIComponent):
+
+ def __init__(self, session, iface = 'wlan0'):
+
+ GUIComponent.__init__(self)
+ self.w = Wlan()
+ self.iface = iface
+
+ self.l = None
+ self.l = eListboxPythonMultiContent()
+
+ self.l.setFont(0, gFont("Regular", 32))
+ self.l.setFont(1, gFont("Regular", 18))
+ self.l.setFont(2, gFont("Regular", 16))
+ self.l.setBuildFunc(self.buildWlanListEntry)
+
+ self.reload()
+
+ def buildWlanListEntry(self, essid, bssid, encrypted, iface, maxrate):
+
+ res = [ (essid, encrypted, iface) ]
+ e = encrypted and _("Yes") or _("No")
+ res.append( MultiContentEntryText(pos=(0, 0), size=(570, 35), font=0, flags=RT_HALIGN_LEFT, text=essid) )
+ res.append( MultiContentEntryText(pos=(0, 40), size=(180, 20), font=1, flags=RT_HALIGN_LEFT, text=_("Max. Bitrate: ")+maxrate) )
+ res.append( MultiContentEntryText(pos=(190, 40), size=(180, 20), font=1, flags=RT_HALIGN_CENTER, text=_("Encrypted: ")+e) )
+ res.append( MultiContentEntryText(pos=(380, 40), size=(190, 20), font=1, flags=RT_HALIGN_RIGHT, text=_("Interface: ")+iface) )
+ return res
+
+ def reload(self):
+ aps = self.w.getNetworkList(self.iface)
+ list = []
+ if aps is not None:
+ print "[Wlan.py] got Accespoints!"
+ for ap in aps:
+ a = aps[ap]
+ if a['active']:
+ list.append((a['essid'], a['bssid'], a['encrypted'], a['iface'], a['maxrate']))
+
+ self.l.setList([])
+ self.l.setList(list)
+
+ GUI_WIDGET = eListbox
+
+ def getCurrent(self):
+ return self.l.getCurrentSelection()
+
+ def postWidgetCreate(self, instance):
+ instance.setContent(self.l)
+ instance.setItemHeight(60)
+
+
+class wpaSupplicant:
+ def __init__(self):
+ pass
+
+ def writeConfig(self):
+
+ essid = config.plugins.wlan.essid.value
+ encrypted = config.plugins.wlan.encryption.enabled.value
+ encryption = config.plugins.wlan.encryption.type.value
+ psk = config.plugins.wlan.encryption.psk.value
+
+
+ fp = file('/etc/wpa_supplicant.conf', 'w')
+ fp.write('#WPA Supplicant Configuration by enigma2\n\n')
+ fp.write('ctrl_interface=/var/run/wpa_supplicant\n')
+ fp.write('ctrl_interface_group=0\n')
+ fp.write('network={\n')
+ fp.write('\tssid="'+essid+'"\n')
+ fp.write('\tscan_ssid=1\n')
+
+ if encrypted:
+
+ if encryption == 'WPA' or encryption == 'WPA2':
+ fp.write('\tkey_mgmt=WPA-PSK\n')
+
+ if encryption == 'WPA':
+ fp.write('\tproto=WPA\n')
+ fp.write('\tpairwise=TKIP\n')
+ else:
+ fp.write('\tproto=WPA RSN\n')
+ fp.write('\tpairwise=CCMP TKIP\n')
+
+ fp.write('\tpsk="'+psk+'"\n')
+
+ elif encryption == 'WEP':
+ fp.write('\tkey_mgmt=NONE\n')
+ fp.write('\twep_key0="'+psk+'"\n')
+
+ fp.write('}')
+ fp.close()
+
+
+ def loadConfig(self):
+
+ try:
+ #parse the wpasupplicant configfile
+ fp = file('/etc/wpa_supplicant.conf', 'r')
+ supplicant = fp.readlines()
+ fp.close()
+
+ for s in supplicant:
+
+ split = s.strip().split('=')
+ if split[0] == 'ssid':
+ print "[Wlan.py] Got SSID "+split[1][1:-1]
+ config.plugins.wlan.essid.value = split[1][1:-1]
+
+ elif split[0] == 'proto':
+ config.plugins.wlan.encryption.enabled.value = True
+ if split[1] == "WPA RSN" : split[1] = 'WPA2'
+ config.plugins.wlan.encryption.type.value = split[1]
+ print "[Wlan.py] Got Encryption "+split[1]
+
+ elif split[0] == 'psk':
+ config.plugins.wlan.encryption.psk.value = split[1][1:-1]
+ print "[Wlan.py] Got PSK "+split[1][1:-1]
+ else:
+ pass
+
+ except:
+ print "[Wlan.py] Error parsing /etc/wpa_supplicant.conf"
+
+ def restart(self, iface):
+ import os
+ os.system("start-stop-daemon -K -x /usr/sbin/wpa_supplicant")
+ os.system("start-stop-daemon -S -x /usr/sbin/wpa_supplicant -- -B -i"+iface+" -c/etc/wpa_supplicant.conf")
projects / vuplus_dvbapp / commitdiff
