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from Components.config import config, ConfigYesNo, ConfigIP, NoSave, ConfigSubsection, ConfigMAC
import os
from socket import *
class Network:
def __init__(self, iface = "eth0"):
self.iface = iface
def writeNetworkConfig(self):
# fixme restarting and updating the network too often. possible fix: check current config and execute only if changed :/
# fixme using interfaces.tmp instead of interfaces for now
fp = file('/etc/network/interfaces', 'w')
fp.write("auto lo\n")
fp.write("iface lo inet loopback\n\n")
fp.write("auto "+self.iface+"\n")
if config.network.dhcp.value:
fp.write("iface "+self.iface+" inet dhcp\n")
else:
fp.write("iface "+self.iface+" inet static\n")
fp.write(" address %d.%d.%d.%d\n" % tuple(config.network.ip.value))
fp.write(" netmask %d.%d.%d.%d\n" % tuple(config.network.netmask.value))
fp.write(" gateway %d.%d.%d.%d\n" % tuple(config.network.gateway.value))
fp2 = file('/etc/resolv.conf', 'w')
fp2.write("nameserver %d.%d.%d.%d\n" % tuple(config.network.dns.value))
fp2.close()
fp.close()
def loadNetworkConfig(self):
try:
# parse the interfaces-file
fp = file('/etc/network/interfaces', 'r')
interfaces = fp.readlines()
fp.close()
ifaces = {}
currif = ""
for i in interfaces:
split = i.strip().split(' ')
if (split[0] == "iface"):
currif = split[1]
ifaces[currif] = {}
if (len(split) == 4 and split[3] == "dhcp"):
ifaces[currif]["dhcp"] = "yes"
else:
ifaces[currif]["dhcp"] = "no"
if (currif != ""):
if (split[0] == "address"):
ifaces[currif]["address"] = map(int, split[1].split('.'))
if (split[0] == "netmask"):
ifaces[currif]["netmask"] = map(int, split[1].split('.'))
if (split[0] == "gateway"):
ifaces[currif]["gateway"] = map(int, split[1].split('.'))
# parse the resolv.conf-file
fp = file('/etc/resolv.conf', 'r')
resolv = fp.readlines()
fp.close()
except:
print "[Network.py] loading network files failed"
try:
for i in resolv:
split = i.strip().split(' ')
if (split[0] == "nameserver"):
config.network.dns.value = map(int, split[1].split('.'))
except:
print "[Network.py] resolv.conf parsing failed"
try:
# set this config
if (ifaces.has_key(self.iface)):
if (ifaces[self.iface]["dhcp"] == "yes"):
config.network.dhcp.value = 1
else:
config.network.dhcp.value = 0
if (ifaces[self.iface].has_key("address")): config.network.ip.value = ifaces[self.iface]["address"]
if (ifaces[self.iface].has_key("netmask")): config.network.netmask.value = ifaces[self.iface]["netmask"]
if (ifaces[self.iface].has_key("gateway")): config.network.gateway.value = ifaces[self.iface]["gateway"]
except:
print "[Network.py] parsing network failed"
def deactivateNetworkConfig(self):
import os
os.system("ip addr flush"+self.iface)
os.system("/etc/init.d/networking stop")
os.system("killall -9 udhcpc")
os.system("rm /var/run/udhcpc*")
def activateNetworkConfig(self):
import os
os.system("/etc/init.d/networking start")
config.network.ip.value = self.getCurrentIP()
config.network.ip.save()
def setDHCP(self, useDHCP):
if (useDHCP):
print "Using DHCP"
config.network.ip.enabled = False
config.network.netmask.enabled = False
config.network.gateway.enabled = False
config.network.dns.enabled = False
else:
print "NOT using DHCP"
config.network.ip.enabled = True
config.network.netmask.enabled = True
config.network.gateway.enabled = True
config.network.dns.enabled = True
def setIPNameserver(self, ip):
return
resolvconf = file('/etc/resolv.conf', 'w')
resolvconf.write("nameserver %d.%d.%d.%d" % tuple(ip))
resolvconf.close()
def setMACAddress(self, mac):
#os.system("echo ifconfig eth0 ether %02x:%02x:%02x:%02x:%02x:%02x" % tuple(mac))
pass
def setIPAddress(self, ip):
pass
#os.system("echo ifconfig eth0 %d.%d.%d.%d" % tuple(ip))
#self.writeNetworkConfig()
def setGateway(self, ip):
pass
#os.system("echo route add default gw %d.%d.%d.%d" % tuple(ip))
#self.writeNetworkConfig()
def setNetmask(self, ip):
pass
#os.system("echo ifconfig eth0 netmask %d.%d.%d.%d" % tuple(ip))
#self.writeNetworkConfig()
def getCurrentIP(self):
ipstr = [0,0,0,0]
for x in os.popen("ifconfig "+self.iface+" | grep 'inet addr:'", "r").readline().split(' '):
if x.split(':')[0] == "addr":
ipstr = x.split(':')[1].split('.')
ip = []
for x in ipstr:
ip.append(int(x))
print "[Network.py] got ip " + str(ip)
return ip
iNetwork = Network()
def InitNetwork():
config.network = ConfigSubsection()
config.network.dhcp = NoSave(ConfigYesNo(default=True))
config.network.ip = NoSave(ConfigIP(default=iNetwork.getCurrentIP()))
config.network.netmask = NoSave(ConfigIP(default=[255,255,255,0]))
config.network.gateway = NoSave(ConfigIP(default=[192,168,1,3]))
config.network.dns = NoSave(ConfigIP(default=[192,168,1,3]))
config.network.mac = NoSave(ConfigMAC(default=[00,11,22,33,44,55]))
iNetwork.loadNetworkConfig()
def writeNetworkConfig(configElement):
iNetwork.writeNetworkConfig()
def setIPAddress(configElement):
iNetwork.setIPAddress(configElement.value)
def setGateway(configElement):
iNetwork.setGateway(configElement.value)
def setNetmask(configElement):
iNetwork.setNetmask(configElement.value)
def setDHCP(configElement):
iNetwork.setDHCP(configElement.value)
def setIPNameserver(configElement):
iNetwork.setIPNameserver(configElement.value)
def setMACAddress(configElement):
iNetwork.setMACAddress(configElement.value)
# this will call the "setup-val" initial
config.network.dhcp.addNotifier(setDHCP)
config.network.ip.addNotifier(setIPAddress)
config.network.netmask.addNotifier(setNetmask)
config.network.gateway.addNotifier(setGateway)
config.network.dns.addNotifier(setIPNameserver)
config.network.mac.addNotifier(setMACAddress)
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