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#
# firewall.py - firewall install data and installation
#
# Bill Nottingham <notting@redhat.com>
# Jeremy Katz <katzj@redhat.com>
#
# Copyright 2004 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import os
import iutil
import string
from flags import flags
from rhpl.log import log
from rhpl.translate import _, N_
class Service:
def __init__ (self, key, name, ports):
self.key = key
self.name = name
self.allowed = 0
if type(ports) == type(""):
self.ports = [ ports ]
else:
self.ports = ports
def set_enabled(self, val):
self.allowed = val
def get_enabled(self):
return self.allowed
def get_name(self):
return self.name
def get_ports(self):
return self.ports
class Firewall:
def __init__ (self):
self.enabled = 1
self.trustdevs = []
self.portlist = []
self.services = [ Service("ssh", N_("Remote Login (SSH)"), "22:tcp"),
Service("http", N_("Web Server (HTTP, HTTPS)"), "80:tcp"),
Service("ftp", N_("File Transfer (FTP)"), "21:tcp"),
Service("smtp", N_("Mail Server (SMTP)"), "25:tcp") ]
def writeKS(self, f):
f.write("firewall")
if self.enabled:
for arg in self.getArgList():
f.write(" " + arg)
else:
f.write(" --disabled")
f.write("\n")
def getArgList(self):
args = []
if self.enabled:
args.append ("--enabled")
else:
args.append("--disabled")
return args
for service in self.services:
if service.get_enabled():
for p in service.get_ports():
args = args + [ "--port=%s" %(p,) ]
for dev in self.trustdevs:
args = args + [ "--trust=%s" %(dev,) ]
for port in self.portlist:
args = args + [ "--port=%s" %(port,) ]
return args
def write (self, instPath):
args = [ "/usr/sbin/lokkit", "--quiet", "--nostart", "-f" ]
args = args + self.getArgList()
try:
if flags.setupFilesystems:
iutil.execWithRedirect(args[0], args, root = instPath,
stdout = None, stderr = None)
else:
log("would have run %s", args)
except RuntimeError, msg:
log ("lokkit run failed: %s", msg)
except OSError, (errno, msg):
log ("lokkit run failed: %s", msg)
else:
f = open(instPath +
'/etc/sysconfig/system-config-securitylevel', 'w')
f.write("# system-config-securitylevel config written out by anaconda\n\n")
for arg in args[3:]:
f.write("%s\n" %(arg,))
f.close()
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