1 #!/usr/bin/python 2 # Copyright 2014-2015, Tresys Technology, LLC 3 # 4 # This file is part of SETools. 5 # 6 # SETools is free software: you can redistribute it and/or modify 7 # it under the terms of the GNU General Public License as published by 8 # the Free Software Foundation, either version 2 of the License, or 9 # (at your option) any later version. 10 # 11 # SETools is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License 17 # along with SETools. If not, see <http://www.gnu.org/licenses/>. 18 # 19 20 from __future__ import print_function 21 import setools 22 import argparse 23 import sys 24 import logging 25 26 27 def expand_attr(attr): 28 """Render type and role attributes.""" 29 items = "\n\t".join(sorted(str(i) for i in attr.expand())) 30 contents = items if items else "<empty attribute>" 31 return "{0}\n\t{1}".format(attr.statement(), contents) 32 33 parser = argparse.ArgumentParser( 34 description="SELinux policy information tool.") 35 parser.add_argument("--version", action="version", version=setools.__version__) 36 parser.add_argument("policy", help="Path to the SELinux policy to query.", nargs="?") 37 parser.add_argument("-x", "--expand", action="store_true", 38 help="Print additional information about the specified components.") 39 parser.add_argument("--flat", help="Print without item count nor indentation.", 40 dest="flat", default=False, action="store_true") 41 parser.add_argument("-v", "--verbose", action="store_true", 42 help="Print extra informational messages") 43 parser.add_argument("--debug", action="store_true", dest="debug", help="Enable debugging.") 44 45 queries = parser.add_argument_group("Component Queries") 46 queries.add_argument("-a", "--attribute", help="Print type attributes.", dest="typeattrquery", 47 nargs='?', const=True, metavar="ATTR") 48 queries.add_argument("-b", "--bool", help="Print Booleans.", dest="boolquery", 49 nargs='?', const=True, metavar="BOOL") 50 queries.add_argument("-c", "--class", help="Print object classes.", dest="classquery", 51 nargs='?', const=True, metavar="CLASS") 52 queries.add_argument("-r", "--role", help="Print roles.", dest="rolequery", 53 nargs='?', const=True, metavar="ROLE") 54 queries.add_argument("-t", "--type", help="Print types.", dest="typequery", 55 nargs='?', const=True, metavar="TYPE") 56 queries.add_argument("-u", "--user", help="Print users.", dest="userquery", 57 nargs='?', const=True, metavar="USER") 58 queries.add_argument("--category", help="Print MLS categories.", dest="mlscatsquery", 59 nargs='?', const=True, metavar="CAT") 60 queries.add_argument("--common", help="Print common permission set.", dest="commonquery", 61 nargs='?', const=True, metavar="COMMON") 62 queries.add_argument("--constrain", help="Print constraints.", dest="constraintquery", 63 nargs='?', const=True, metavar="CLASS") 64 queries.add_argument("--default", help="Print default_* rules.", dest="defaultquery", 65 nargs='?', const=True, metavar="CLASS") 66 queries.add_argument("--fs_use", help="Print fs_use statements.", dest="fsusequery", 67 nargs='?', const=True, metavar="FS_TYPE") 68 queries.add_argument("--genfscon", help="Print genfscon statements.", dest="genfsconquery", 69 nargs='?', const=True, metavar="FS_TYPE") 70 queries.add_argument("--initialsid", help="Print initial SIDs (contexts).", dest="initialsidquery", 71 nargs='?', const=True, metavar="NAME") 72 queries.add_argument("--netifcon", help="Print netifcon statements.", dest="netifconquery", 73 nargs='?', const=True, metavar="DEVICE") 74 queries.add_argument("--nodecon", help="Print nodecon statements.", dest="nodeconquery", 75 nargs='?', const=True, metavar="ADDR") 76 queries.add_argument("--permissive", help="Print permissive types.", dest="permissivequery", 77 nargs='?', const=True, metavar="TYPE") 78 queries.add_argument("--polcap", help="Print policy capabilities.", dest="polcapquery", 79 nargs='?', const=True, metavar="NAME") 80 queries.add_argument("--portcon", help="Print portcon statements.", dest="portconquery", 81 nargs='?', const=True, metavar="PORTNUM[-PORTNUM]") 82 queries.add_argument("--sensitivity", help="Print MLS sensitivities.", dest="mlssensquery", 83 nargs='?', const=True, metavar="SENS") 84 queries.add_argument("--validatetrans", help="Print validatetrans.", dest="validatetransquery", 85 nargs='?', const=True, metavar="CLASS") 86 queries.add_argument("--all", help="Print all of the above.", 87 dest="all", default=False, action="store_true") 88 89 args = parser.parse_args() 90 91 if args.debug: 92 logging.basicConfig(level=logging.DEBUG, 93 format='%(asctime)s|%(levelname)s|%(name)s|%(message)s') 94 elif args.verbose: 95 logging.basicConfig(level=logging.INFO, format='%(message)s') 96 else: 97 logging.basicConfig(level=logging.WARNING, format='%(message)s') 98 99 try: 100 p = setools.SELinuxPolicy(args.policy) 101 components = [] 102 103 if args.boolquery or args.all: 104 q = setools.BoolQuery(p) 105 if isinstance(args.boolquery, str): 106 q.name = args.boolquery 107 108 components.append(("Booleans", q, lambda x: x.statement())) 109 110 if args.mlscatsquery or args.all: 111 q = setools.CategoryQuery(p) 112 if isinstance(args.mlscatsquery, str): 113 q.name = args.mlscatsquery 114 115 components.append(("Categories", q, lambda x: x.statement())) 116 117 if args.classquery or args.all: 118 q = setools.ObjClassQuery(p) 119 if isinstance(args.classquery, str): 120 q.name = args.classquery 121 122 components.append(("Classes", q, lambda x: x.statement())) 123 124 if args.commonquery or args.all: 125 q = setools.CommonQuery(p) 126 if isinstance(args.commonquery, str): 127 q.name = args.commonquery 128 129 components.append(("Commons", q, lambda x: x.statement())) 130 131 if args.constraintquery or args.all: 132 q = setools.ConstraintQuery(p, ruletype=["constrain", "mlsconstrain"]) 133 if isinstance(args.constraintquery, str): 134 q.tclass = [args.constraintquery] 135 136 components.append(("Constraints", q, lambda x: x.statement())) 137 138 if args.defaultquery or args.all: 139 q = setools.DefaultQuery(p) 140 if isinstance(args.defaultquery, str): 141 q.tclass = [args.defaultquery] 142 143 components.append(("Default rules", q, lambda x: x.statement())) 144 145 if args.fsusequery or args.all: 146 q = setools.FSUseQuery(p) 147 if isinstance(args.fsusequery, str): 148 q.fs = args.fsusequery 149 150 components.append(("Fs_use", q, lambda x: x.statement())) 151 152 if args.genfsconquery or args.all: 153 q = setools.GenfsconQuery(p) 154 if isinstance(args.genfsconquery, str): 155 q.fs = args.genfsconquery 156 157 components.append(("Genfscon", q, lambda x: x.statement())) 158 159 if args.initialsidquery or args.all: 160 q = setools.InitialSIDQuery(p) 161 if isinstance(args.initialsidquery, str): 162 q.name = args.initialsidquery 163 164 components.append(("Initial SIDs", q, lambda x: x.statement())) 165 166 if args.netifconquery or args.all: 167 q = setools.NetifconQuery(p) 168 if isinstance(args.netifconquery, str): 169 q.name = args.netifconquery 170 171 components.append(("Netifcon", q, lambda x: x.statement())) 172 173 if args.nodeconquery or args.all: 174 q = setools.NodeconQuery(p) 175 if isinstance(args.nodeconquery, str): 176 q.network = args.nodeconquery 177 178 components.append(("Nodecon", q, lambda x: x.statement())) 179 180 if args.permissivequery or args.all: 181 q = setools.TypeQuery(p, permissive=True, match_permissive=True) 182 if isinstance(args.permissivequery, str): 183 q.name = args.permissivequery 184 185 components.append(("Permissive Types", q, lambda x: x.statement())) 186 187 if args.polcapquery or args.all: 188 q = setools.PolCapQuery(p) 189 if isinstance(args.polcapquery, str): 190 q.name = args.polcapquery 191 192 components.append(("Polcap", q, lambda x: x.statement())) 193 194 if args.portconquery or args.all: 195 q = setools.PortconQuery(p) 196 if isinstance(args.portconquery, str): 197 try: 198 ports = [int(i) for i in args.portconquery.split("-")] 199 except ValueError: 200 parser.error("Enter a port number or range, e.g. 22 or 6000-6020") 201 202 if len(ports) == 2: 203 q.ports = ports 204 elif len(ports) == 1: 205 q.ports = (ports[0], ports[0]) 206 else: 207 parser.error("Enter a port number or range, e.g. 22 or 6000-6020") 208 209 components.append(("Portcon", q, lambda x: x.statement())) 210 211 if args.rolequery or args.all: 212 q = setools.RoleQuery(p) 213 if isinstance(args.rolequery, str): 214 q.name = args.rolequery 215 216 components.append(("Roles", q, lambda x: x.statement())) 217 218 if args.mlssensquery or args.all: 219 q = setools.SensitivityQuery(p) 220 if isinstance(args.mlssensquery, str): 221 q.name = args.mlssensquery 222 223 components.append(("Sensitivities", q, lambda x: x.statement())) 224 225 if args.typequery or args.all: 226 q = setools.TypeQuery(p) 227 if isinstance(args.typequery, str): 228 q.name = args.typequery 229 230 components.append(("Types", q, lambda x: x.statement())) 231 232 if args.typeattrquery or args.all: 233 q = setools.TypeAttributeQuery(p) 234 if isinstance(args.typeattrquery, str): 235 q.name = args.typeattrquery 236 237 components.append(("Type Attributes", q, expand_attr)) 238 239 if args.userquery or args.all: 240 q = setools.UserQuery(p) 241 if isinstance(args.userquery, str): 242 q.name = args.userquery 243 244 components.append(("Users", q, lambda x: x.statement())) 245 246 if args.validatetransquery or args.all: 247 q = setools.ConstraintQuery(p, ruletype=["validatetrans", "mlsvalidatetrans"]) 248 if isinstance(args.validatetransquery, str): 249 q.tclass = [args.validatetransquery] 250 251 components.append(("Validatetrans", q, lambda x: x.statement())) 252 253 if (not components or args.all) and not args.flat: 254 mls = "enabled" if p.mls else "disabled" 255 256 print("Statistics for policy file: {0}".format(p)) 257 print("Policy Version: {0} (MLS {1}, {2} unknown permissions)".format( 258 p.version, mls, p.handle_unknown)) 259 print(" Classes: {0:7} Permissions: {1:7}".format( 260 p.class_count, p.permission_count)) 261 print(" Sensitivities: {0:7} Categories: {1:7}".format( 262 p.level_count, p.category_count)) 263 print(" Types: {0:7} Attributes: {1:7}".format( 264 p.type_count, p.type_attribute_count)) 265 print(" Users: {0:7} Roles: {1:7}".format( 266 p.user_count, p.role_count)) 267 print(" Booleans: {0:7} Cond. Expr.: {1:7}".format( 268 p.boolean_count, p.conditional_count)) 269 print(" Allow: {0:7} Neverallow: {1:7}".format( 270 p.allow_count, p.neverallow_count)) 271 print(" Auditallow: {0:7} Dontaudit: {1:7}".format( 272 p.auditallow_count, p.dontaudit_count)) 273 print(" Type_trans: {0:7} Type_change: {1:7}".format( 274 p.type_transition_count, p.type_change_count)) 275 print(" Type_member: {0:7} Range_trans: {1:7}".format( 276 p.type_member_count, p.range_transition_count)) 277 print(" Role allow: {0:7} Role_trans: {1:7}".format( 278 p.role_allow_count, p.role_transition_count)) 279 print(" Constraints: {0:7} Validatetrans: {1:7}".format( 280 p.constraint_count, p.validatetrans_count)) 281 print(" MLS Constrain: {0:7} MLS Val. Tran: {1:7}".format( 282 p.mlsconstraint_count, p.mlsvalidatetrans_count)) 283 print(" Initial SIDs: {0:7} Fs_use: {1:7}".format( 284 p.initialsids_count, p.fs_use_count)) 285 print(" Genfscon: {0:7} Portcon: {1:7}".format( 286 p.genfscon_count, p.portcon_count)) 287 print(" Netifcon: {0:7} Nodecon: {1:7}".format( 288 p.netifcon_count, p.nodecon_count)) 289 print(" Permissives: {0:7} Polcap: {1:7}".format( 290 p.permissives_count, p.polcap_count)) 291 print(" Defaults: {0:7}".format(p.default_count)) 292 293 for desc, component, expander in components: 294 results = sorted(component.results()) 295 if not args.flat: 296 print("\n{0}: {1}".format(desc, len(results))) 297 for item in results: 298 result = expander(item) if args.expand else item 299 strfmt = " {0}" if not args.flat else "{0}" 300 print(strfmt.format(result)) 301 302 except Exception as err: 303 if args.debug: 304 import traceback 305 traceback.print_exc() 306 else: 307 print(err) 308 309 sys.exit(-1) 310
