lib/python/Components/Network.py

   1 from config import *
   2
   3 import os
   4 from socket import *
   5
   6 class Network:
   7         def __init__(self):
   8                 pass
   9
  10         def writeNetworkConfig(self):
  11                 # fixme restarting and updating the network too often. possible fix: check current config and execute only if changed :/
  12                 # fixme using interfaces.tmp instead of interfaces for now
  13                 fp = file('/etc/network/interfaces', 'w')
  14                 fp.write("auto eth0\n")
  15                 if (config.network.dhcp.value == 1):
  16                         fp.write("iface eth0 inet dhcp\n")
  17                 else:
  18                         fp.write("iface eth0 inet static\n")
  19                         fp.write("      address %d.%d.%d.%d\n" % tuple(config.network.ip.value))
  20                         fp.write("      netmask %d.%d.%d.%d\n" % tuple(config.network.netmask.value))
  21                         fp.write("      gateway %d.%d.%d.%d\n" % tuple(config.network.gateway.value))
  22                 fp.close()
  23
  24                 if config.network.dhcp.value == 0:
  25                         fp = file('/etc/resolv.conf', 'w')
  26                         fp.write("nameserver %d.%d.%d.%d\n" % tuple(config.network.dns.value))
  27                         fp.close()
  28
  29
  30         def loadNetworkConfig(self):
  31                 try:
  32                         # parse the interfaces-file
  33                         fp = file('/etc/network/interfaces', 'r')
  34                         interfaces = fp.readlines()
  35                         fp.close()
  36
  37                         ifaces = {}
  38                         currif = ""
  39                         for i in interfaces:
  40                                 split = i.strip().split(' ')
  41                                 if (split[0] == "iface"):
  42                                         currif = split[1]
  43                                         ifaces[currif] = {}
  44                                         if (len(split) == 4 and split[3] == "dhcp"):
  45                                                 ifaces[currif]["dhcp"] = "yes"
  46                                         else:
  47                                                 ifaces[currif]["dhcp"] = "no"
  48                                 if (currif != ""):
  49                                         if (split[0] == "address"):
  50                                                 ifaces[currif]["address"] = map(int, split[1].split('.'))
  51                                         if (split[0] == "netmask"):
  52                                                 ifaces[currif]["netmask"] = map(int, split[1].split('.'))
  53                                         if (split[0] == "gateway"):
  54                                                 ifaces[currif]["gateway"] = map(int, split[1].split('.'))
  55
  56                         # parse the resolv.conf-file
  57                         fp = file('/etc/resolv.conf', 'r')
  58                         resolv = fp.readlines()
  59                         fp.close()
  60                 except:
  61                         pass
  62
  63                 try:
  64                         for i in resolv:
  65                                 split = i.strip().split(' ')
  66                                 if (split[0] == "nameserver"):
  67                                         config.network.nameserver.value = map(int, split[1].split('.'))
  68                 except:
  69                         pass
  70
  71                 try:
  72                         # set this config
  73                         if (ifaces.has_key("eth0")):
  74                                 if (ifaces["eth0"]["dhcp"] == "yes"):
  75                                         config.network.dhcp.value = 1
  76                                 else:
  77                                         config.network.dhcp.value = 0
  78                                 if (ifaces["eth0"].has_key("address")): config.network.ip.value = ifaces["eth0"]["address"]
  79                                 if (ifaces["eth0"].has_key("netmask")): config.network.netmask.value = ifaces["eth0"]["netmask"]
  80                                 if (ifaces["eth0"].has_key("gateway")): config.network.gateway.value = ifaces["eth0"]["gateway"]
  81                 except:
  82                         pass
  83
  84         def activateNetworkConfig(self):
  85                 import os
  86                 os.system("/etc/init.d/networking restart")
  87                 config.network.ip.value = self.getCurrentIP()
  88
  89         def setDHCP(self, useDHCP):
  90                 if (useDHCP):
  91                         print "Using DHCP"
  92                         config.network.ip.enabled = False
  93                         config.network.netmask.enabled = False
  94                         config.network.gateway.enabled = False
  95                         config.network.dns.enabled = False
  96                 else:
  97                         print "NOT using DHCP"
  98                         config.network.ip.enabled = True
  99                         config.network.netmask.enabled = True
 100                         config.network.gateway.enabled = True
 101                         config.network.dns.enabled = True
 102
 103         def setIPNameserver(self, ip):
 104                 return
 105                 resolvconf = file('/etc/resolv.conf', 'w')
 106                 resolvconf.write("nameserver %d.%d.%d.%d" % tuple(ip))
 107                 resolvconf.close()
 108
 109         def setMACAddress(self, mac):
 110                 #os.system("echo ifconfig eth0 ether %02x:%02x:%02x:%02x:%02x:%02x" % tuple(mac))
 111                 pass
 112
 113         def setIPAddress(self, ip):
 114                 pass
 115                 #os.system("echo ifconfig eth0 %d.%d.%d.%d" % tuple(ip))
 116                 #self.writeNetworkConfig()
 117
 118         def setGateway(self, ip):
 119                 pass
 120                 #os.system("echo route add default gw %d.%d.%d.%d" % tuple(ip))
 121                 #self.writeNetworkConfig()
 122
 123         def setNetmask(self, ip):
 124                 pass
 125                 #os.system("echo ifconfig eth0 netmask %d.%d.%d.%d" % tuple(ip))
 126                 #self.writeNetworkConfig()
 127
 128         def getCurrentIP(self):
 129                 ipstr = [0,0,0,0]
 130                 for x in os.popen("ifconfig eth0 | grep 'inet addr:'", "r").readline().split(' '):
 131                         if x.split(':')[0] == "addr":
 132                                 ipstr = x.split(':')[1].split('.')
 133                 ip = []
 134                 for x in ipstr:
 135                         ip.append(int(x))
 136                 print "[Network.py] got ip " + str(ip)
 137                 return ip
 138
 139 iNetwork = Network()
 140
 141 def InitNetwork():
 142         ip = iNetwork.getCurrentIP()
 143
 144
 145         config.network = ConfigSubsection()
 146         config.network.dhcp = configElement_nonSave("config.network.dhcp", configSelection, 1, (("no", _("no")), ("yes", _("yes"))))
 147         config.network.ip = configElement_nonSave("config.network.ip", configSequence, ip, configsequencearg.get("IP"))
 148         config.network.netmask = configElement_nonSave("config.network.netmask", configSequence, [255,255,255,0], configsequencearg.get("IP"))
 149         config.network.gateway = configElement_nonSave("config.network.gateway", configSequence, [192,168,1,3], configsequencearg.get("IP"))
 150         config.network.dns = configElement_nonSave("config.network.dns", configSequence, [192,168,1,3], configsequencearg.get("IP"))
 151         config.network.mac = configElement_nonSave("config.network.mac", configSequence, [00,11,22,33,44,55], configsequencearg.get("MAC"))
 152
 153         iNetwork.loadNetworkConfig()
 154
 155         #FIXME using this till other concept for this is implemented
 156         #config.network.activate = configElement("config.network.activate", configSelection, 0, ("yes, sir", "you are my hero"))
 157         #config.network.activate = configElement("config.network.activate", configSelection, 0, ("yes", "you are my hero"))
 158
 159
 160         def writeNetworkConfig(configElement):
 161                 iNetwork.writeNetworkConfig()
 162
 163         def setIPAddress(configElement):
 164                 iNetwork.setIPAddress(configElement.value)
 165
 166         def setGateway(configElement):
 167                 iNetwork.setGateway(configElement.value)
 168
 169         def setNetmask(configElement):
 170                 iNetwork.setNetmask(configElement.value)
 171
 172         def setDHCP(configElement):
 173                 iNetwork.setDHCP(configElement.value)
 174
 175         def setIPNameserver(configElement):
 176                 iNetwork.setIPNameserver(configElement.value)
 177
 178         def setMACAddress(configElement):
 179                 iNetwork.setMACAddress(configElement.value)
 180
 181
 182         # this will call the "setup-val" initial
 183         config.network.dhcp.addNotifier(setDHCP)
 184         config.network.ip.addNotifier(setIPAddress)
 185         config.network.netmask.addNotifier(setNetmask)
 186         config.network.gateway.addNotifier(setGateway)
 187         config.network.dns.addNotifier(setIPNameserver)
 188         config.network.mac.addNotifier(setMACAddress)