# 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")