age
929cd5636c
* gw change (atm breaks network plugin) * maybe the unittests are broken now again :( will check this on tuesday
112 lines
3 KiB
Python
Executable file
112 lines
3 KiB
Python
Executable file
#!/usr/bin/env python
|
|
#
|
|
# Copyright 2006 sense.lab e.V.
|
|
#
|
|
# This file is part of the CryptoBox.
|
|
#
|
|
# The CryptoBox is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# The CryptoBox is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with the CryptoBox; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
__revision__ = "$Id"
|
|
|
|
|
|
#TODO: add netmask and gateway
|
|
|
|
## necessary: otherwise CryptoBoxRootActions.py will refuse to execute this script
|
|
PLUGIN_TYPE = "cryptobox"
|
|
|
|
IFCONFIG_BIN = "/sbin/ifconfig"
|
|
ROUTE_BIN = "/sbin/route"
|
|
|
|
import subprocess
|
|
import re
|
|
import sys
|
|
|
|
def __changeIP(interface, ipaddress, netmask="0"):
|
|
__check_address(ipaddress)
|
|
if netmask == "0":
|
|
## change the IP only
|
|
proc = subprocess.Popen(
|
|
shell = False,
|
|
args = [IFCONFIG_BIN, interface, ipaddress])
|
|
proc.wait()
|
|
else:
|
|
## someone wants to change the netmask too
|
|
__check_address(netmask)
|
|
proc = subprocess.Popen(
|
|
shell = False,
|
|
args = [IFCONFIG_BIN, interface, ipaddress, "netmask", netmask])
|
|
proc.wait()
|
|
return proc.returncode == 0
|
|
|
|
|
|
def __changeGW(old_gw, gwaddress):
|
|
__check_address(old_gw)
|
|
__check_address(gwaddress)
|
|
if old_gw != "0.0.0.0":
|
|
"""assuming that a default route exists and deleting it
|
|
"""
|
|
proc = subprocess.Popen(
|
|
shell = False,
|
|
args = [ROUTE_BIN, "del", "default", "gw", old_gw])
|
|
proc.wait()
|
|
|
|
proc = subprocess.Popen(
|
|
shell = False,
|
|
args = [ROUTE_BIN, "add", "default", "gw", gwaddress])
|
|
proc.wait()
|
|
return proc.returncode == 0
|
|
|
|
def __check_address(address):
|
|
"""Check for correct numbers in given address
|
|
"""
|
|
match = re.search(r'^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$', address)
|
|
## did we match? If yes, then: are there wrong values inside?
|
|
if not match or [e for e in match.groups() if int(e) > 255]:
|
|
sys.stderr.write("%s: illegal argument (%s)\n" % (self_bin, address))
|
|
sys.exit(1)
|
|
return
|
|
|
|
|
|
if __name__ == "__main__":
|
|
args = sys.argv[1:]
|
|
|
|
self_bin = sys.argv[0]
|
|
|
|
if len(args) == 0:
|
|
sys.stderr.write("%s: no argument supplied\n" % self_bin)
|
|
sys.exit(1)
|
|
|
|
try:
|
|
if args[0] == "change_ip":
|
|
if len(args) != 4: raise "InvalidArgNum"
|
|
result = __changeIP(args[1], args[2], args[3])
|
|
elif args[0] == "change_gw":
|
|
if len(args) != 3: raise "InvalidArgNum"
|
|
result = __changeGW(args[1], args[2])
|
|
else:
|
|
sys.stderr.write("%s: invalid action (%s)\n" % (self_bin, args[0]))
|
|
sys.exit(1)
|
|
if result:
|
|
sys.exit(0)
|
|
else:
|
|
sys.exit(1)
|
|
except "InvalidArgNum":
|
|
sys.stderr.write("%s: invalid number of arguments (%s)\n" % (self_bin, args))
|
|
sys.exit(1)
|
|
|
|
|
|
|