94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
#
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# firewall.py - firewall install data and installation
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#
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# Copyright (C) 2004 Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Author(s): Bill Nottingham <notting@redhat.com>
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# Jeremy Katz <katzj@redhat.com>
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#
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import iutil
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import os.path
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from flags import flags
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from constants import *
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import gettext
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_ = lambda x: gettext.ldgettext("anaconda", x)
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import logging
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log = logging.getLogger("anaconda")
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class Firewall:
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def __init__ (self):
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self.enabled = 1
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self.trustdevs = []
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self.portlist = []
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self.servicelist = []
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def writeKS(self, f):
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f.write("firewall")
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if self.enabled:
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for arg in self.getArgList():
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f.write(" " + arg)
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else:
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f.write(" --disabled")
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f.write("\n")
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def getArgList(self):
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args = []
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if not self.enabled:
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args.append("--disabled")
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return args
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if not "ssh" in self.servicelist and not "22:tcp" in self.portlist:
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args += ["--service=ssh"]
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for dev in self.trustdevs:
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args = args + [ "--trust=%s" %(dev,) ]
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for port in self.portlist:
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args = args + [ "--port=%s" %(port,) ]
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for service in self.servicelist:
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args = args + [ "--service=%s" % (service,) ]
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return args
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def write (self, instPath):
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args = [ "--quiet", "--nostart", "-f" ] + self.getArgList()
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try:
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if not os.path.exists("%s/etc/sysconfig/iptables" %(instPath,)):
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iutil.execWithRedirect("/usr/sbin/lokkit", args,
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root=instPath, stdout="/dev/null",
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stderr="/dev/null")
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else:
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log.error("would have run %s", args)
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except RuntimeError, msg:
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log.error ("lokkit run failed: %s", msg)
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except OSError as e:
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log.error ("lokkit run failed: %s", e.strerror)
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else:
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f = open(instPath +
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'/etc/sysconfig/system-config-firewall', 'w')
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f.write("# system-config-firewall config written out by anaconda\n\n")
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for arg in args[3:]:
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f.write("%s\n" %(arg,))
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f.close()
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