/usr/lib/python2.7/dist-packages/sepolicy/interface.py is in python-sepolicy 2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 | #!/usr/bin/python -Es
#
# Copyright (C) 2012 Red Hat
# see file 'COPYING' for use and warranty information
#
# policygentool is a tool for the initial generation of SELinux policy
#
# 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; either version 2 of
# the License, or (at your option) any later version.
#
# 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 re, sys
import sepolicy
ADMIN_TRANSITION_INTERFACE = "_admin$"
USER_TRANSITION_INTERFACE = "_role$"
__all__ = [ 'get_all_interfaces', 'get_interfaces_from_xml', 'get_admin', 'get_user' ,'get_interface_dict', 'get_interface_format_text', 'get_interface_compile_format_text', 'get_xml_file', 'interface_compile_test' ]
##
## I18N
##
PROGNAME="policycoreutils"
import gettext
gettext.bindtextdomain(PROGNAME, "/usr/share/locale")
gettext.textdomain(PROGNAME)
try:
gettext.install(PROGNAME,
localedir="/usr/share/locale",
unicode=False,
codeset = 'utf-8')
except IOError:
import __builtin__
__builtin__.__dict__['_'] = unicode
def get_interfaces_from_xml(path):
""" Get all interfaces from given xml file"""
interfaces_list = []
idict = get_interface_dict(path)
for k in idict.keys():
interfaces_list.append(k)
return interfaces_list
def get_all_interfaces(path=""):
from sepolicy import get_methods
all_interfaces = []
if not path:
all_interfaces = get_methods()
else:
xml_path = get_xml_file(path)
all_interfaces = get_interfaces_from_xml(xml_path)
return all_interfaces
def get_admin(path=""):
""" Get all domains with an admin interface from installed policy."""
""" If xml_path is specified, func returns an admin interface from specified xml file"""
admin_list = []
if path:
try:
xml_path = get_xml_file(path)
idict = get_interface_dict(xml_path)
for k in idict.keys():
if k.endswith("_admin"):
admin_list.append(k)
except IOError, e:
sys.stderr.write("%s: %s\n" % (e.__class__.__name__, str(e)))
sys.exit(1)
else:
for i in sepolicy.get_methods():
if i.endswith("_admin"):
admin_list.append(i.split("_admin")[0])
return admin_list
def get_user(path=""):
""" Get all domains with SELinux user role interface"""
""" If xml_path is specified, func returns an user role interface from specified xml file"""
trans_list = []
if path:
try:
xml_path = get_xml_file(path)
idict = get_interface_dict(xml_path)
for k in idict.keys():
if k.endswith("_role"):
if (("%s_exec_t" % k[:-5]) in sepolicy.get_all_types()):
trans_list.append(k)
except IOError, e:
sys.stderr.write("%s: %s\n" % (e.__class__.__name__, str(e)))
sys.exit(1)
else:
for i in sepolicy.get_methods():
m = re.findall("(.*)%s" % USER_TRANSITION_INTERFACE, i)
if len(m) > 0:
if "%s_exec_t" % m[0] in sepolicy.get_all_types():
trans_list.append(m[0])
return trans_list
interface_dict = None
def get_interface_dict(path="/usr/share/selinux/devel/policy.xml"):
global interface_dict
import os
import xml.etree.ElementTree
if interface_dict:
return interface_dict
interface_dict = {}
param_list = []
xml_path = """<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<policy>
<layer name="admin">
"""
xml_path += path
xml_path +="""
</layer>
</policy>
"""
try:
if os.path.isfile(path):
tree = xml.etree.ElementTree.parse(path)
else:
tree = xml.etree.ElementTree.fromstring(xml_path)
for l in tree.findall("layer"):
for m in l.findall("module"):
for i in m.getiterator('interface'):
for e in i.findall("param"):
param_list.append(e.get('name'))
interface_dict[(i.get("name"))] = [param_list,(i.find('summary').text),"interface"]
param_list = []
for i in m.getiterator('template'):
for e in i.findall("param"):
param_list.append(e.get('name'))
interface_dict[(i.get("name"))] = [param_list,(i.find('summary').text),"template"]
param_list = []
except IOError, e:
pass
return interface_dict
def get_interface_format_text(interface,path = "/usr/share/selinux/devel/policy.xml"):
idict = get_interface_dict(path)
interface_text = "%s(%s) %s" % (interface, ", ".join(idict[interface][0]), " ".join(idict[interface][1].split("\n")))
return interface_text
def get_interface_compile_format_text(interfaces_dict, interface):
from templates import test_module
param_tmp = []
for i in interfaces_dict[interface][0]:
param_tmp.append(test_module.dict_values[i])
interface_text = "%s(%s)\n" % (interface, ", ".join(param_tmp))
return interface_text
def generate_compile_te(interface, idict, name="compiletest"):
from templates import test_module
te = ""
te += re.sub("TEMPLATETYPE", name, test_module.te_test_module )
te += get_interface_compile_format_text(idict,interface)
return te
def get_xml_file(if_file):
""" Returns xml format of interfaces for given .if policy file"""
import os, commands
basedir = os.path.dirname(if_file)+"/"
filename = os.path.basename(if_file).split(".")[0]
rc, output=commands.getstatusoutput("python /usr/share/selinux/devel/include/support/segenxml.py -w -m %s" % basedir+filename)
if rc != 0:
sys.stderr.write("\n Could not proceed selected interface file.\n")
sys.stderr.write("\n%s" % output)
sys.exit(1)
else:
return output
def interface_compile_test(interface, path = "/usr/share/selinux/devel/policy.xml"):
exclude_interfaces = ["userdom","kernel","corenet","files", "dev"]
exclude_interface_type = ["template"]
import commands, os
policy_files = {'pp':"compiletest.pp", 'te':"compiletest.te", 'fc':"compiletest.fc", 'if':"compiletest.if"}
idict = get_interface_dict(path)
if not (interface.split("_")[0] in exclude_interfaces or idict[interface][2] in exclude_interface_type):
print(_("Compiling %s interface" % interface))
try:
fd = open(policy_files['te'], "w")
fd.write(generate_compile_te(interface, idict))
fd.close()
rc, output=commands.getstatusoutput("make -f /usr/share/selinux/devel/Makefile %s" % policy_files['pp'] )
if rc != 0:
sys.stderr.write(output)
sys.stderr.write(_("\nCompile test for %s failed.\n") % interface)
except EnvironmentError, e:
sys.stderr.write(_("\nCompile test for %s has not run. %s\n") % (interface, e))
for v in policy_files.values():
if os.path.exists(v):
os.remove(v)
else:
sys.stderr.write(_("\nCompiling of %s interface is not supported." % interface))
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