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#! /usr/bin/env python2.2
import os
import sys
import time
import signal
CONFDIR="/tmp/moo"
class Config:
pass
def die(code, msg):
sys.stdout.write(msg + "\n")
sys.edit(code)
def printUsage():
print "Usage: moo <options> [command] <command-options>\n" + \
"Where [command] is one of:\n" + \
"scan - scan for available networks\n" + \
"list - list available profiles\n"+ \
"select - select a particular profile\n"
def scanNetworks():
pass
def runCmd(cmd):
if Config.verbosity > 5:
print "Executing \"" + cmd + "\""
v = os.system(cmd)
if Config.verbosity > 5:
print "Result: " + str(v)
return v
class ProfileHandler:
def __init__(self):
self.profiles = {}
self._loadProfiles()
def _loadProfiles(self):
for x in os.listdir(CONFDIR+"/profiles"):
if x[-1] != "~" and x[0] != ".":
self.profiles[x] = Profile(CONFDIR+"/profiles/"+x)
def listProfiles(self,detailed=0):
for x in self.profiles.keys():
if detailed:
print x + ":"
self.profiles[x].dump()
else:
print x + " [" + self.profiles[x].description + "]"
def getProfileNames(self):
return self.profiles.keys()
def getProfile(self,name):
return self.profiles[name]
class Profile:
def __init__(self, filename):
self._loadFromFile(filename)
def _loadFromFile(self,filename):
self.desc = ""
self.ifaceName = ""
self.ip = ""
self.broadcast = ""
self.gateway = ""
self.exclusive = "no"
self.netmask = ""
self.nameserver = ""
ins = open(filename)
for s in ins.readlines():
for x in ["description","ifaceName","ip","broadcast",
"gateway","exclusive","nameserver","wepkey"]:
if s.find(x+"=") == 0:
val=s.replace(x+"=","").strip()
self.__dict__[x] = val
def dump(self):
print "description = " + self.description + "\n" + \
"iface = " + self.ifaceName + "\n" + \
"ip = " + self.ip + "\n" + \
"broadcast = " + self.broadcast + "\n" + \
"gateway = " + self.gateway + "\n" + \
"gateway = " + self.nameserver + "\n" + \
"exclusive = " + self.exclusive + "\n"
class Interface:
def __init__(self, name):
self.name = name
self.netmask = ""
self.broadcast = ""
self.ip = ""
self.gateway = ""
self.nameserver = ""
self.wepkey = ""
self._loadIPV4Info()
def _loadIPV4Info(self):
pass
def getNameserver(self):
return self.nameserver
def getNetmask(self):
return self.netmask
def getName(self):
return self.name
def getBroadcast(self):
return self.broadcast
def getWEPKey(self):
return self.wepkey
def getGateway(self):
return self.gateway
def setNameserver(self,nameserver):
self.nameserver = nameserver
def setIP(self, ip):
self.ip = ip
def setWEPKey(self,key):
self.wepkey = key
def setGateway(self,gw):
self.gateway = gw
def setBroadcast(self,broadcast):
self.broadcast = broadcast
def setNetmask(self,netmask):
self.netmask = netmask
def runDHCP(self):
runCmd("dhcpcd " + self.name)
def down(self):
runCmd("ifconfig " + self.name + " down")
pidFile = "/var/run/dhcpcd-" + self.name + ".pid"
if os.path.exists(pidFile):
ins = open(pidFile)
pid = int(ins.readline())
os.kill(pid,signal.SIGTERM)
time.sleep(1)
def up(self):
options = ""
if self.wepkey:
if runCmd("iwconfig eth1 key " + self.wepkey):
die(4, "Failed to set WEP key for " + self.name)
if self.ip:
options += self.ip + " "
if self.broadcast:
options += "broadcast " + self.broadcast + " "
if self.netmask:
options += "netmask " + self.netmask + " "
if runCmd("ifconfig " + self.name + " " + options + " up"):
die(2, "Failed to bring up " + self.name)
if self.gateway:
if runCmd("route add default gw " + self.gateway + " " + self.name):
die(3, "Failed to set default gateway for " + self.name)
if self.nameserver:
if Config.verbosity > 5:
print("Using nameserver " + self.nameserver)
try:
ous = open("/etc/resolv.conf","w")
ous.write("nameserver " + self.nameserver)
ous.close()
except OSError:
die("Failed to set nameserver")
if Config.verbosity > 3:
print "Brough interface " + self.name + " up"
class InterfaceHandler:
def __init__(self):
self.ifaces = {}
self._loadAllInterfaces()
def _loadAllInterfaces(self):
ins=open("/proc/net/dev")
for line in ins.readlines():
tokens = line.split(":")
if len(tokens) > 1:
ifaceName = tokens[0].strip()
iface = Interface(ifaceName)
self.ifaces[ifaceName] = iface
def getInterface(self,ifaceName):
return self.ifaces[ifaceName]
def downAll(self):
for x in self.ifaces.values():
if x.getName() != "lo":
x.down()
class Moo:
def __init__(self):
self.profileHandler = ProfileHandler()
self.ifaceHandler = InterfaceHandler()
def selectProfile(self,profile):
prof = self.profileHandler.getProfile(profile)
if prof.exclusive == "yes":
self.ifaceHandler.downAll()
iface = self.ifaceHandler.getInterface(prof.ifaceName)
if prof.ip == "dhcp":
iface.runDHCP()
else:
iface.setIP(prof.ip)
iface.setBroadcast(prof.broadcast)
iface.setNetmask(prof.netmask)
iface.setGateway(prof.gateway)
iface.setNameserver(prof.nameserver)
iface.up()
def listProfiles(self,detailed=0):
self.profileHandler.listProfiles(detailed)
def initConfig():
Config.verbosity = 3
def main():
initConfig()
if len(sys.argv) < 2:
printUsage()
sys.exit(1)
moo = Moo()
for i in xrange(len(sys.argv)):
if sys.argv[i] == "list":
detailed = 0
for x in sys.argv[i:]:
if x == "--detailed":
detailed = 1
moo.listProfiles(detailed)
elif sys.argv[i] == "select":
moo.selectProfile(sys.argv[2])
if __name__ == "__main__":
main()
# TODO
# - automatically create profile
# - specify wireless network name
# - specify wep key
# - specify access point
# - specify pre_run/post_run commands
# - with parameters
#
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