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# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
#
# Copyright (C) 2006 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program 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; version 2 only
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import os
import re
# Select the correct location for the development files based on a
# path variable (optionally read from a configuration file)
class PathChooser(object):
def __init__(self, pathname):
self.config = dict()
if not os.path.exists(pathname):
self.config_pathname = "(defaults)"
self.config["SELINUX_DEVEL_PATH"] = "/usr/share/selinux/default:/usr/share/selinux/mls:/usr/share/selinux/devel"
return
self.config_pathname = pathname
ignore = re.compile(r"^\s*(?:#.+)?$")
consider = re.compile(r"^\s*(\w+)\s*=\s*(.+?)\s*$")
with open(pathname, "r") as fd:
for lineno, line in enumerate(fd):
if ignore.match(line): continue
mo = consider.match(line)
if not mo:
raise ValueError("%s:%d: line is not in key = value format" % (pathname, lineno+1))
self.config[mo.group(1)] = mo.group(2)
# We're only exporting one useful function, so why not be a function
def __call__(self, testfilename, pathset="SELINUX_DEVEL_PATH"):
paths = self.config.get(pathset, None)
if paths is None:
raise ValueError("%s was not in %s" % (pathset, self.config_pathname))
paths = paths.split(":")
for p in paths:
target = os.path.join(p, testfilename)
if os.path.exists(target): return target
return os.path.join(paths[0], testfilename)
"""
Various default settings, including file and directory locations.
"""
def data_dir():
return "/var/lib/sepolgen"
def perm_map():
return data_dir() + "/perm_map"
def interface_info():
return data_dir() + "/interface_info"
def attribute_info():
return data_dir() + "/attribute_info"
def refpolicy_makefile():
chooser = PathChooser("/etc/selinux/sepolgen.conf")
result = chooser("Makefile")
if not os.path.exists(result):
result = chooser("include/Makefile")
return result
def headers():
chooser = PathChooser("/etc/selinux/sepolgen.conf")
return chooser("include")
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