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GeezerVison is showing github.com — PythonMemoryModule/pythonmemorymodule/windows/security.py at main · freeide/PythonMemoryModule Expand file tree/ Copy pathsecurity.pyMore file actions 1192 lines (989 loc) · 38.2 KB / Copy pathsecurity.pyFile metadata and controls1192 lines (989 loc) · 38.2 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 import ctypes import sys import windows import windows.generated_def as gdef from windows import winproxy from windows.pycompat import basestring from windows.winobject.token import Token, KNOW_INTEGRITY_LEVEL # Specific access right FILE_ACCESS_RIGHT = gdef.FlagMapper( gdef.FILE_READ_DATA, gdef.FILE_WRITE_DATA, gdef.FILE_APPEND_DATA, gdef.FILE_READ_EA, gdef.FILE_WRITE_EA, gdef.FILE_EXECUTE, gdef.FILE_READ_ATTRIBUTES, gdef.FILE_WRITE_ATTRIBUTES ) DIRECTORY_ACCESS_RIGHT = gdef.FlagMapper( gdef.FILE_LIST_DIRECTORY, gdef.FILE_ADD_FILE, gdef.FILE_ADD_SUBDIRECTORY, gdef.FILE_READ_EA, gdef.FILE_WRITE_EA, gdef.FILE_TRAVERSE, gdef.FILE_DELETE_CHILD, gdef.FILE_READ_ATTRIBUTES, gdef.FILE_WRITE_ATTRIBUTES, ) NAMED_PIPE_ACCESS_RIGHT = gdef.FlagMapper( gdef.FILE_READ_DATA, gdef.FILE_WRITE_DATA, gdef.FILE_CREATE_PIPE_INSTANCE, gdef.FILE_READ_ATTRIBUTES, gdef.FILE_WRITE_ATTRIBUTES, ) TOKEN_ACCESS_RIGHT = gdef.FlagMapper( gdef.TOKEN_ASSIGN_PRIMARY, gdef.TOKEN_DUPLICATE, gdef.TOKEN_IMPERSONATE, gdef.TOKEN_QUERY, gdef.TOKEN_QUERY_SOURCE, gdef.TOKEN_ADJUST_PRIVILEGES, gdef.TOKEN_ADJUST_GROUPS, gdef.TOKEN_ADJUST_DEFAULT, gdef.TOKEN_ADJUST_SESSIONID, ) CLUSTER_API_ACCESS_RIGH = gdef.FlagMapper( gdef.CLUSAPI_READ_ACCESS, gdef.CLUSAPI_CHANGE_ACCESS, gdef.CLUSAPI_NO_ACCESS, ) FAX_ACCESS_RIGHT = gdef.FlagMapper( gdef.FAX_JOB_SUBMIT, gdef.FAX_JOB_QUERY, gdef.FAX_CONFIG_QUERY, gdef.FAX_CONFIG_SET, gdef.FAX_PORT_QUERY, gdef.FAX_PORT_SET, gdef.FAX_JOB_MANAGE, ) CALLBACK_ACCESS_RIGHT = gdef.FlagMapper( gdef.CALLBACK_MODIFY_STATE, ) MUTANT_ACCESS_RIGHT = gdef.FlagMapper( gdef.MUTANT_QUERY_STATE, ) EVENT_ACCESS_RIGHT = gdef.FlagMapper( gdef.EVENT_QUERY_STATE, gdef.EVENT_MODIFY_STATE, ) SEMAPHORE_ACCESS_RIGHT = gdef.FlagMapper( gdef.SEMAPHORE_QUERY_STATE, gdef.SEMAPHORE_MODIFY_STATE, ) TIMER_ACCESS_RIGHT = gdef.FlagMapper( gdef.TIMER_QUERY_STATE, gdef.TIMER_QUERY_STATE, ) IO_COMPLETION_ACCESS_RIGHT = gdef.FlagMapper( gdef.IO_COMPLETION_QUERY_STATE, gdef.IO_COMPLETION_MODIFY_STATE, ) PORT_ACCESS_RIGHT = gdef.FlagMapper( gdef.PORT_CONNECT, ) OBJECT_MANAGER_TYPE_ACCESS_RIGHT = gdef.FlagMapper( gdef.OBJECT_TYPE_CREATE ) OBJECT_MANAGER_DIRECTORY_ACCESS_RIGHT = gdef.FlagMapper( gdef.DIRECTORY_QUERY, gdef.DIRECTORY_TRAVERSE, gdef.DIRECTORY_CREATE_OBJECT, gdef.DIRECTORY_CREATE_SUBDIRECTORY, ) OBJECT_MANAGER_SIMLINK_ACCESS_RIGHT = gdef.FlagMapper( gdef.SYMBOLIC_LINK_QUERY, ) PROCESS_ACCESS_RIGHT = gdef.FlagMapper( gdef.PROCESS_TERMINATE , gdef.PROCESS_CREATE_THREAD , gdef.PROCESS_SET_SESSIONID , gdef.PROCESS_VM_OPERATION , gdef.PROCESS_VM_READ , gdef.PROCESS_VM_WRITE , gdef.PROCESS_DUP_HANDLE , gdef.PROCESS_CREATE_PROCESS , gdef.PROCESS_SET_QUOTA , gdef.PROCESS_SET_INFORMATION , gdef.PROCESS_QUERY_INFORMATION , gdef.PROCESS_SUSPEND_RESUME , gdef.PROCESS_QUERY_LIMITED_INFORMATION , gdef.PROCESS_SET_LIMITED_INFORMATION , ) THREAD_ACCESS_RIGHT = gdef.FlagMapper( gdef.THREAD_TERMINATE, gdef.THREAD_SUSPEND_RESUME, gdef.THREAD_GET_CONTEXT, gdef.THREAD_SET_CONTEXT, gdef.THREAD_QUERY_INFORMATION, gdef.THREAD_SET_INFORMATION, gdef.THREAD_SET_THREAD_TOKEN, gdef.THREAD_IMPERSONATE, gdef.THREAD_DIRECT_IMPERSONATION, ) JOB_ACCESS_RIGHT = gdef.FlagMapper( gdef.JOB_OBJECT_ASSIGN_PROCESS, gdef.JOB_OBJECT_SET_ATTRIBUTES, gdef.JOB_OBJECT_QUERY, gdef.JOB_OBJECT_TERMINATE, gdef.JOB_OBJECT_SET_SECURITY_ATTRIBUTES, ) KEY_ACCESS_RIGHT = gdef.FlagMapper( gdef.KEY_QUERY_VALUE, gdef.KEY_SET_VALUE, gdef.KEY_CREATE_SUB_KEY, gdef.KEY_ENUMERATE_SUB_KEYS, gdef.KEY_NOTIFY, gdef.KEY_CREATE_LINK, gdef.KEY_WOW64_64KEY, gdef.KEY_WOW64_32KEY, # KEY_WOW64_RES (0x0300) # Just a mask of the 2 last ) SECTION_ACCESS_RIGHT = gdef.FlagMapper( gdef.SECTION_QUERY, gdef.SECTION_MAP_WRITE, gdef.SECTION_MAP_READ, gdef.SECTION_MAP_EXECUTE, gdef.SECTION_EXTEND_SIZE, gdef.SECTION_MAP_EXECUTE_EXPLICIT, ) COM_ACCESS_RIGHT = gdef.FlagMapper( gdef.COM_EXECUTE, gdef.COM_EXECUTE_LOCAL, gdef.COM_EXECUTE_REMOTE, gdef.COM_ACTIVATE_LOCAL, gdef.COM_ACTIVATE_REMOTE, ) SERVICE_ACCESS_RIGHT = gdef.FlagMapper( gdef.SERVICE_QUERY_CONFIG, gdef.SERVICE_CHANGE_CONFIG, gdef.SERVICE_QUERY_STATUS, gdef.SERVICE_ENUMERATE_DEPENDENTS, gdef.SERVICE_START, gdef.SERVICE_STOP, gdef.SERVICE_PAUSE_CONTINUE, gdef.SERVICE_INTERROGATE, gdef.SERVICE_USER_DEFINED_CONTROL, ) ADS_ACCESS_RIGHT = gdef.FlagMapper( gdef.ADS_RIGHT_DS_CREATE_CHILD, gdef.ADS_RIGHT_DS_DELETE_CHILD, gdef.ADS_RIGHT_ACTRL_DS_LIST, gdef.ADS_RIGHT_DS_SELF, gdef.ADS_RIGHT_DS_READ_PROP, gdef.ADS_RIGHT_DS_WRITE_PROP, gdef.ADS_RIGHT_DS_DELETE_TREE, gdef.ADS_RIGHT_DS_LIST_OBJECT, gdef.ADS_RIGHT_DS_CONTROL_ACCESS, ) SPECIFIC_ACCESS_RIGTH_BY_TYPE = { None: gdef.FlagMapper(), "file": FILE_ACCESS_RIGHT, "directory": DIRECTORY_ACCESS_RIGHT, "named_pipe": NAMED_PIPE_ACCESS_RIGHT, "token": TOKEN_ACCESS_RIGHT, "cluster_api": CLUSTER_API_ACCESS_RIGH, "fax": FAX_ACCESS_RIGHT, "callback": CALLBACK_ACCESS_RIGHT, "mutant": MUTANT_ACCESS_RIGHT, "event": EVENT_ACCESS_RIGHT, "semaphore": SEMAPHORE_ACCESS_RIGHT, "io_completion": IO_COMPLETION_ACCESS_RIGHT, "port": PORT_ACCESS_RIGHT, "object_manager_type": OBJECT_MANAGER_TYPE_ACCESS_RIGHT, "object_manager_directory": OBJECT_MANAGER_DIRECTORY_ACCESS_RIGHT, "object_manager_symlink": OBJECT_MANAGER_SIMLINK_ACCESS_RIGHT, "process": PROCESS_ACCESS_RIGHT, "thread": THREAD_ACCESS_RIGHT, "job": JOB_ACCESS_RIGHT, "key": KEY_ACCESS_RIGHT, "com": COM_ACCESS_RIGHT, "service": SERVICE_ACCESS_RIGHT, "ad": ADS_ACCESS_RIGHT, } # SD SD_CONTROL_FLAGS = gdef.FlagMapper( gdef.SE_OWNER_DEFAULTED, gdef.SE_GROUP_DEFAULTED, gdef.SE_DACL_PRESENT, gdef.SE_DACL_DEFAULTED, gdef.SE_SACL_PRESENT, gdef.SE_SACL_DEFAULTED, gdef.SE_DACL_UNTRUSTED, gdef.SE_SERVER_SECURITY, gdef.SE_DACL_AUTO_INHERIT_REQ, gdef.SE_SACL_AUTO_INHERIT_REQ, gdef.SE_DACL_AUTO_INHERITED, gdef.SE_SACL_AUTO_INHERITED, gdef.SE_DACL_PROTECTED, gdef.SE_SACL_PROTECTED, gdef.SE_RM_CONTROL_VALID, gdef.SE_SELF_RELATIVE, ) # ACE ACE_FLAGS = gdef.FlagMapper( gdef.OBJECT_INHERIT_ACE , gdef.CONTAINER_INHERIT_ACE , gdef.NO_PROPAGATE_INHERIT_ACE , gdef.INHERIT_ONLY_ACE , gdef.INHERITED_ACE , gdef.VALID_INHERIT_FLAGS , gdef.SUCCESSFUL_ACCESS_ACE_FLAG, gdef.FAILED_ACCESS_ACE_FLAG ) ACE_MASKS = gdef.FlagMapper( gdef.GENERIC_READ , gdef.GENERIC_WRITE , gdef.GENERIC_EXECUTE , gdef.GENERIC_ALL , gdef.READ_CONTROL , gdef.DELETE , gdef.WRITE_DAC , gdef.WRITE_OWNER , gdef.SYNCHRONIZE , ) MANDATORY_LABEL_ACE_MASK = gdef.FlagMapper( gdef.SYSTEM_MANDATORY_LABEL_NO_WRITE_UP, gdef.SYSTEM_MANDATORY_LABEL_NO_READ_UP, gdef.SYSTEM_MANDATORY_LABEL_NO_EXECUTE_UP, ) class AceHeader(gdef.ACE_HEADER): """Improved ACE_HEADER""" def _to_ace_type(self, ace_type): return ctypes.cast(ctypes.byref(self), ctypes.POINTER(ace_type))[0] @property def AceType(self): """The type of the Ace header""" raw_type = super(AceHeader, self).AceType return ACE_CLASS_TYPE_MAPPER[raw_type] @property def flags(self): """The flags of the Ace header :type: [:class:`int`] - A list of :class:`int` """ return list(self._flags_generator()) def _flags_generator(self): flags = self.AceFlags for i in range(8): # Sizeof(AceFlags) * 8 v = flags & (1 << i) if v: yield ACE_FLAGS[v] def subclass(self): # ACE_CLASS_BY_ACE_TYPE is defined later in this file subcls = ACE_CLASS_BY_ACE_TYPE[self.AceType] return self._to_ace_type(subcls) def __repr__(self): return "<{0} type={1}>".format(type(self).__name__, self.AceType) class AceBase(object): # Ca ou mettre flags extraction dans le ctypes generated """Base object for all ``ACE`` classes. provide access to an improved header""" @property def Header(self): # Override the ctypes Header for the struct -> return extended header """The Header of the ``ACE`` :type: :class:`AceHeader` """ addr = ctypes.addressof(self) sheader = super(AceBase, type(self)).Header return AceHeader.from_address(addr + sheader.offset) class MaskAndSidACE(AceBase): """`Virtual` ACE for ACE struct with the following layout: - ACE_HEADER Header - ACCESS_MASK Mask - DWORD SidStart """ def _sid_offset(self): return type(self).SidStart.offset @property def sid(self): """The sid described by the ``ACE`` :type: :class:`windows.generated_def.winstructs.PSID` """ return gdef.PSID(ctypes.addressof(self) + self._sid_offset()) @property def mask(self): """The list of flags described by the ``ACE`` :type: [:class:`int`] - A list of :class:`int` """ return list(self._mask_generator()) def _mask_generator(self): mask = self.Mask for i in range(32): # sizeof ACCESS_MASK * 8 v = mask & (1 << i) if v: yield ACE_MASKS[v] def __repr__(self): return "<{0} mask={1}>".format(type(self).__name__, self.Mask) class CallbackACE(MaskAndSidACE): @property def application_data(self): """The application-specific data see : https://msdn.microsoft.com/en-us/library/hh877860.aspx :type: :class:`str` """ selfptr = ctypes.cast(ctypes.addressof(self), gdef.PUCHAR) datastart = ctypes.sizeof(self) + self.sid.size - 4 dataend = self.Header.AceSize return selfptr[datastart: dataend] @property def condition(self): buff = windows.utils.BUFFER(gdef.BYTE).from_buffer_copy(self.application_data) resstr = gdef.LPWSTR() winproxy.GetStringConditionFromBinary(buff, StringAceCondition=resstr) condition = resstr.value winproxy.LocalFree(resstr) return condition class ObjectRelatedACE(MaskAndSidACE): FLAGS_VALUES = (gdef.ACE_OBJECT_TYPE_PRESENT, gdef.ACE_INHERITED_OBJECT_TYPE_PRESENT) @property def flags(self): """The flags of the ``ACE`` :type: [:class:`int`] - A list of :class:`int` """ flags = self.Flags return [x for x in self.FLAGS_VALUES if flags & x] @property def object_type(self): """The ``ObjectType`` described in the ACE. ``None`` if `ACE`` has no ``ObjectType`` :type: :class:`~windows.generated_def.winstructs.PSID` or ``None`` """ if not self.Flags & gdef.ACE_OBJECT_TYPE_PRESENT: return None return self.ObjectType @property def inherited_object_type(self): """The ``InheritedObjectType`` described in the ACE. ``None`` if `ACE`` has no ``InheritedObjectType`` :type: :class:`~windows.generated_def.winstructs.PSID` or ``None`` """ if not self.Flags & gdef.ACE_INHERITED_OBJECT_TYPE_PRESENT: return None if self.Flags & gdef.ACE_OBJECT_TYPE_PRESENT: # There is an ObjectType so our offset is the good one return self.InheritedObjectType # No ObjectType -> InheritedObjectType is at ObjectType offset # Those are the same type so we can directly use ObjectType return self.ObjectType def _sid_offset(self): base_offset = type(self).SidStart.offset if not self.Flags & gdef.ACE_OBJECT_TYPE_PRESENT: base_offset -= ctypes.sizeof(gdef.GUID) if not self.Flags & gdef.ACE_INHERITED_OBJECT_TYPE_PRESENT: base_offset -= ctypes.sizeof(gdef.GUID) return base_offset # DACL related ACE # Allow the resolution of Header first class AccessAllowedACE(MaskAndSidACE, gdef.ACCESS_ALLOWED_ACE): ACE_TYPE = gdef.ACCESS_ALLOWED_ACE_TYPE class AccessDeniedACE(MaskAndSidACE, gdef.ACCESS_DENIED_ACE): ACE_TYPE = gdef.ACCESS_DENIED_ACE_TYPE class AccessAllowedCallbackACE(CallbackACE, gdef.ACCESS_ALLOWED_CALLBACK_ACE): ACE_TYPE = gdef.ACCESS_ALLOWED_CALLBACK_ACE_TYPE class AccessDeniedCallbackACE(CallbackACE, gdef.ACCESS_DENIED_CALLBACK_ACE): ACE_TYPE = gdef.ACCESS_DENIED_CALLBACK_ACE_TYPE class AccessAllowedObjectACE(ObjectRelatedACE, gdef.ACCESS_ALLOWED_OBJECT_ACE): ACE_TYPE = gdef.ACCESS_ALLOWED_OBJECT_ACE_TYPE class AccessDeniedObjectACE(ObjectRelatedACE, gdef.ACCESS_DENIED_OBJECT_ACE): ACE_TYPE = gdef.ACCESS_DENIED_OBJECT_ACE_TYPE class AccessAllowedCallbackObjectACE(CallbackACE, gdef.ACCESS_ALLOWED_CALLBACK_OBJECT_ACE): ACE_TYPE = gdef.ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE # Strangly -> no SDDL for this one class AccessDeniedCallbackObjectACE(CallbackACE, gdef.ACCESS_DENIED_CALLBACK_OBJECT_ACE): ACE_TYPE = gdef.ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE # SACL related ACE class SystemAuditACE(MaskAndSidACE, gdef.SYSTEM_AUDIT_ACE): ACE_TYPE = gdef.SYSTEM_AUDIT_ACE_TYPE class SystemAlarmACE(MaskAndSidACE, gdef.SYSTEM_ALARM_ACE): """reserved for future use.""" ACE_TYPE = gdef.SYSTEM_ALARM_ACE_TYPE class SystemAuditObjectACE(ObjectRelatedACE, gdef.SYSTEM_AUDIT_OBJECT_ACE): ACE_TYPE = gdef.SYSTEM_AUDIT_OBJECT_ACE_TYPE class SystemAlarmObjectACE(ObjectRelatedACE, gdef.SYSTEM_ALARM_OBJECT_ACE): """reserved for future use.""" ACE_TYPE = gdef.SYSTEM_ALARM_OBJECT_ACE_TYPE class SystemAuditCallbackACE(CallbackACE, gdef.SYSTEM_AUDIT_CALLBACK_ACE): ACE_TYPE = gdef.SYSTEM_AUDIT_CALLBACK_ACE_TYPE class SystemAlarmCallbackACE(CallbackACE, gdef.SYSTEM_ALARM_CALLBACK_ACE): """reserved for future use.""" ACE_TYPE = gdef.SYSTEM_ALARM_CALLBACK_ACE_TYPE class SystemAuditCallbackObjectACE(CallbackACE, gdef.SYSTEM_AUDIT_CALLBACK_OBJECT_ACE): ACE_TYPE = gdef.SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE class SystemAlarmCallbackObjectACE(CallbackACE, gdef.SYSTEM_ALARM_CALLBACK_OBJECT_ACE): """Reserved for future use""" ACE_TYPE = gdef.SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE class SystemMandatoryLabelACE(MaskAndSidACE, gdef.SYSTEM_MANDATORY_LABEL_ACE): ACE_TYPE = gdef.SYSTEM_MANDATORY_LABEL_ACE_TYPE class SystemResourceAttributeACE(MaskAndSidACE, gdef.SYSTEM_RESOURCE_ATTRIBUTE_ACE): ACE_TYPE = gdef.SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE @property def attribute(self): # Sid-size not in the initial struct sid_size_over = self.sid.size - type(self).SidStart.size sec_attr_addr = ctypes.addressof(self) + ctypes.sizeof(self) + sid_size_over return ClaimSecurityAttributeRelativeV1.from_address(sec_attr_addr) class SystemScopedPolicyIDACE(MaskAndSidACE, gdef.SYSTEM_SCOPED_POLICY_ID_ACE): ACE_TYPE = gdef.SYSTEM_SCOPED_POLICY_ID_ACE_TYPE class SystemProcessTrustLabelACE(MaskAndSidACE, gdef.SYSTEM_PROCESS_TRUST_LABEL_ACE): """Reserved. (from MSDC)""" ACE_TYPE = gdef.SYSTEM_PROCESS_TRUST_LABEL_ACE_TYPE ACE_CLASS_BY_ACE_TYPE = {cls.ACE_TYPE: cls for cls in ( # DACL AccessAllowedACE, AccessDeniedACE, AccessAllowedCallbackACE, AccessDeniedCallbackACE, AccessAllowedObjectACE, AccessDeniedObjectACE, AccessAllowedCallbackObjectACE, # SACL SystemAuditACE, SystemAlarmACE, # reserved for future use. SystemAuditObjectACE, SystemAlarmObjectACE, # reserved for future use. SystemAuditCallbackACE, SystemAlarmCallbackACE, # reserved for future use. SystemAuditCallbackObjectACE, SystemAlarmCallbackObjectACE, # reserved for future use. SystemMandatoryLabelACE, SystemResourceAttributeACE, SystemScopedPolicyIDACE, SystemProcessTrustLabelACE, )} ACE_CLASS_TYPE_MAPPER = gdef.FlagMapper(*ACE_CLASS_BY_ACE_TYPE.keys()) # CLAIM_SECURITY_ATTRIBUTE_RELATIVE_V1 follow the SYSTEM_RESOURCE_ATTRIBUTE_ACE # For ACE of type SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE def retrieve_long64_from_addr(addr): return gdef.LONG64.from_address(addr).value def retrieve_ulong64_from_addr(addr): return gdef.ULONG64.from_address(addr).value def retrieve_wstr_from_addr(addr): return gdef.LPWSTR(addr).value # https://msdn.microsoft.com/en-us/library/hh877847.aspx def retrieve_psid_from_addr(addr): psid_addr = addr + gdef.CLAIM_SECURITY_ATTRIBUTE_OCTET_STRING_RELATIVE.OctetString.offset return gdef.PSID(psid_addr) def retrieve_bool_from_addr(addr): return bool(gdef.ULONG64.from_address(addr).value) def retrieve_octet_string_from_addr(addr): # Good doc: https://msdn.microsoft.com/en-us/library/hh877833.aspx # Doc broken in: https://docs.microsoft.com/en-us/windows/desktop/api/winnt/ns-winnt-_claim_security_attribute_relative_v1 ostring = gdef.CLAIM_SECURITY_ATTRIBUTE_OCTET_STRING_RELATIVE.from_address(addr) # Bypass the array limit return ctypes.cast(ostring.OctetString, gdef.PUCHAR)[:ostring.Length] class ClaimSecurityAttributeRelativeV1(gdef.CLAIM_SECURITY_ATTRIBUTE_RELATIVE_V1): VALUE_ARRAY_PTR_BY_TYPE = { gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_INT64: ("pInt64", retrieve_long64_from_addr), gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_UINT64: ("pUint64", retrieve_ulong64_from_addr), gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_STRING: ("ppString", retrieve_wstr_from_addr), gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_SID: # ppString is not the good one # But none is doc for PSID ("ppString", retrieve_psid_from_addr), gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_BOOLEAN: ("pUint64", retrieve_bool_from_addr), gdef.CLAIM_SECURITY_ATTRIBUTE_TYPE_OCTET_STRING: ("pOctetString", retrieve_octet_string_from_addr), } @property def name(self): return gdef.LPWSTR(ctypes.addressof(self) + self.Name).value @property def values(self): array_name, get_value = self.VALUE_ARRAY_PTR_BY_TYPE[self.ValueType] base = ctypes.addressof(self) array = getattr(self.Values, array_name) # The pointer allow us to bypass the array _length_ of 1 array_ptr = ctypes.cast(array, ctypes.POINTER(array._type_)) offsets = array_ptr[:self.ValueCount] # Cast values return tuple(get_value(base + off) for off in offsets) # ACL class Acl(gdef.ACL): """All the ``ACE`` returned by :class:`Acl` methods/property are described in the :ref:`Ace section <security_ace>`""" @property def size_info(self): size_info = gdef.ACL_SIZE_INFORMATION() winproxy.GetAclInformation(self, ctypes.byref(size_info), ctypes.sizeof(size_info), gdef.AclSizeInformation) return size_info def get_ace(self, i): """Retrieve ``ACE`` number ``i`` :return: :class:`Ace` """ ace = gdef.PVOID() winproxy.GetAce(self, i, ace) # TODO: subclass ACL return AceHeader.from_address(ace.value).subclass() @property def aces(self): """The list of ``ACE`` in the ACL :class:`Acl` :type: [:class:`Ace`] - A list of ACE """ return list(self) def __len__(self): """The number of ``ACE`` in the :class:`Acl`""" return self.AceCount def __getitem__(self, i): """Return ``ACE`` nb ``i`` :return: :class:`Ace` """ try: return self.get_ace(i) except WindowsError as e: if e.winerror == gdef.ERROR_INVALID_PARAMETER: raise IndexError("Invalid ACL index {0}".format(i)) raise def __iter__(self): """Return an iterable over all the ``ACE`` in the :class:`Acl` :yield: :class:`Ace`""" for i in range(self.AceCount): yield self.get_ace(i) def __repr__(self): return "<Acl count={0}>".format(self.AceCount) PAcl = ctypes.POINTER(Acl) # Security descriptor class SecurityDescriptor(gdef.PSECURITY_DESCRIPTOR): """A Security Descriptor .. warning:: TODO: free the underliying buffer when not needed anymore for now the underliying memory is never freed. """ DEFAULT_SECURITY_INFORMATION = ( gdef.OWNER_SECURITY_INFORMATION | gdef.GROUP_SECURITY_INFORMATION | gdef.DACL_SECURITY_INFORMATION | gdef.ATTRIBUTE_SECURITY_INFORMATION | gdef.LABEL_SECURITY_INFORMATION | # Integrity # gdef.SACL_SECURITY_INFORMATION | # Need special rights gdef.SCOPE_SECURITY_INFORMATION | gdef.PROCESS_TRUST_LABEL_SECURITY_INFORMATION ) # https://docs.microsoft.com/en-us/windows/win32/api/winsvc/nf-winsvc-queryserviceobjectsecurity # Default flags for services SERVICE_SECURITY_INFORMATION = ( gdef.OWNER_SECURITY_INFORMATION | gdef.GROUP_SECURITY_INFORMATION | gdef.DACL_SECURITY_INFORMATION ) """The default ``flags`` value for functions expecting a `SECURITY_INFORMATION <https://docs.microsoft.com/en-us/windows/desktop/SecAuthZ/security-information>`_. This value regroups the followings flags: - ``OWNER_SECURITY_INFORMATION`` - ``GROUP_SECURITY_INFORMATION`` - ``DACL_SECURITY_INFORMATION`` - ``ATTRIBUTE_SECURITY_INFORMATION`` - ``SCOPE_SECURITY_INFORMATION`` - ``PROCESS_TRUST_LABEL_SECURITY_INFORMATION`` - ``LABEL_SECURITY_INFORMATION`` .. warning:: Note that the value ``SACL_SECURITY_INFORMATION`` needed to access the SACL is not present as it require the ``SeSecurityPrivilege``. To query the SACL enable the ``SeSecurityPrivilege`` and use the parameter ``query_sacl=True`` on the functions expecting a ``flags`` see :ref:`Query SACL sample <sample_security_sacl>` """ _close_function = winproxy.LocalFree @classmethod def create(cls): buff = windows.utils.BUFFER(gdef.SECURITY_DESCRIPTOR, 1)() winproxy.InitializeSecurityDescriptor(buff, gdef.SECURITY_DESCRIPTOR_REVISION) return buff.cast(windows.security.SecurityDescriptor) @property def control(self): """The security descriptor control :type: :class:`~windows.generated_def.winstructs.SECURITY_DESCRIPTOR_CONTROL` """ lpdwRevision = gdef.DWORD() control = gdef.SECURITY_DESCRIPTOR_CONTROL() winproxy.GetSecurityDescriptorControl(self, control, lpdwRevision) return control.value @property def revision(self): """The security descriptor's revision :type: :class:`int` """ lpdwRevision = gdef.DWORD() control = gdef.SECURITY_DESCRIPTOR_CONTROL() winproxy.GetSecurityDescriptorControl(self, control, lpdwRevision) return lpdwRevision.value def get_owner(self): """The owner of the security descriptor :type: :class:`~windows.generated_def.winstructs.PSID` or ``None`` """ owner = gdef.PSID() lpbOwnerDefaulted = gdef.BOOL() winproxy.GetSecurityDescriptorOwner(self, owner, lpbOwnerDefaulted) # Return None of owner is NULL return owner or None def set_owner(self, new_owner): winproxy.SetSecurityDescriptorOwner(self, new_owner, bOwnerDefaulted=False) owner = property(get_owner, set_owner) @property def group(self): """The group of the security descriptor :type: :class:`~windows.generated_def.winstructs.PSID` or ``None`` """ group = gdef.PSID() lpbGroupDefaulted = gdef.BOOL() winproxy.GetSecurityDescriptorGroup(self, group, lpbGroupDefaulted) # Return None of group is NULL return group or None @property def dacl(self): """The DACL of the security descriptor. :type: :class:`Acl` or ``None`` if the DACL was ``NULL`` or not present """ dacl_present = gdef.BOOL() pdacl = gdef.PACL() lpbDaclDefaulted = gdef.BOOL() winproxy.GetSecurityDescriptorDacl(self, dacl_present, pdacl, lpbDaclDefaulted) if not dacl_present or not pdacl: return None return ctypes.cast(pdacl, PAcl)[0] @property def sacl(self): """The SACL of the security descriptor. You may need special attention to retrieve it (see :class:`DEFAULT_SECURITY_INFORMATION`) :type: :class:`Acl` or ``None`` if the SACL was ``NULL`` or not present """ sacl_present = gdef.BOOL() psacl = gdef.PACL() lpbSaclDefaulted = gdef.BOOL() winproxy.GetSecurityDescriptorSacl(self, sacl_present, psacl, lpbSaclDefaulted) if not sacl_present or not psacl: return None return ctypes.cast(psacl, PAcl)[0] # Constructors @classmethod def from_string(cls, sddl): """Return a new :class:`SecurityDescriptor` from the ``SDDL``. :returns: :class:`SecurityDescriptor` .. warning:: At the moment the underliying buffer is never freed. See `ConvertStringSecurityDescriptorToSecurityDescriptorA <https://docs.microsoft.com/en-us/windows/desktop/api/sddl/nf-sddl-convertstringsecuritydescriptortosecuritydescriptora>`_ """ self = cls() winproxy.ConvertStringSecurityDescriptorToSecurityDescriptorA( sddl.encode("ascii"), gdef.SDDL_REVISION_1, self, None) # TODO: we need to free this buffer.. # Keep track of Security Descritor state ? return self @classmethod def _from_name_and_type(cls, objname, objtype, flags=DEFAULT_SECURITY_INFORMATION, query_sacl=False): self = cls() if query_sacl: flags |= gdef.SACL_SECURITY_INFORMATION winproxy.GetNamedSecurityInfoW( objname, objtype, flags, None, None, None, None, self ) return self @classmethod def _from_handle_and_type(cls, handle, objtype, flags=DEFAULT_SECURITY_INFORMATION, query_sacl=False): self = cls() if query_sacl: flags |= gdef.SACL_SECURITY_INFORMATION winproxy.GetSecurityInfo( handle, objtype, flags, None, None, None, None, self ) return self def _apply_to_handle_and_type(self, handle, objtype=gdef.SE_KERNEL_OBJECT, flags=None): # Make SecurityDescriptor method has_audit_ace ? if flags is None: flags = gdef.OWNER_SECURITY_INFORMATION | gdef.GROUP_SECURITY_INFORMATION | gdef.DACL_SECURITY_INFORMATION | gdef.LABEL_SECURITY_INFORMATION if (self.sacl and any(ace.Header.AceType != gdef.SYSTEM_MANDATORY_LABEL_ACE_TYPE for ace in self.sacl)): flags |= gdef.SACL_SECURITY_INFORMATION return winproxy.SetSecurityInfo( handle, objtype, flags, self.owner, self.group, self.dacl, self.sacl ) @classmethod def from_filename(cls, filename, query_sacl=False, flags=DEFAULT_SECURITY_INFORMATION): """Retrieve the security descriptor for the file ``filename``""" return cls._from_name_and_type(filename, gdef.SE_FILE_OBJECT, flags=flags, query_sacl=query_sacl) def to_filename(self, filename, flags=0): "Test method: WILL CHANGE" if not flags: if self.owner: flags |= gdef.OWNER_SECURITY_INFORMATION if self.group: flags |= gdef.GROUP_SECURITY_INFORMATION if self.dacl: flags |= gdef.DACL_SECURITY_INFORMATION if self.sacl: flags |= gdef.SACL_SECURITY_INFORMATION winproxy.SetNamedSecurityInfoW(filename, gdef.SE_FILE_OBJECT, flags, self.owner, self.group, self.dacl, self.sacl) def to_handle(self, handle, flags=0): if not flags: if self.owner: flags |= gdef.OWNER_SECURITY_INFORMATION if self.group: flags |= gdef.GROUP_SECURITY_INFORMATION if self.dacl: flags |= gdef.DACL_SECURITY_INFORMATION if self.sacl: flags |= gdef.SACL_SECURITY_INFORMATION self._apply_to_handle_and_type(handle, gdef.SE_FILE_OBJECT, flags) @classmethod def from_service(cls, filename, query_sacl=False, flags=SERVICE_SECURITY_INFORMATION): """Retrieve the security descriptor for the service named ``service``""" sd = cls._from_name_and_type(filename, gdef.SE_SERVICE, flags=flags, query_sacl=query_sacl) sd.obj_type = "service" return sd @classmethod def from_handle(cls, handle, query_sacl=False, flags=DEFAULT_SECURITY_INFORMATION, obj_type=None): """Retrieve the security descriptor for the kernel object described by``handle``""" sd = cls._from_handle_and_type(handle, gdef.SE_KERNEL_OBJECT, flags=flags, query_sacl=query_sacl) sd.obj_type = obj_type # Test return sd @classmethod def from_binary(cls, data): """Retrieve the security descriptor described by the binary ``data``. Binary security descriptor can be found in the registry for example """ if isinstance(data, basestring): data = ctypes.c_buffer(data) return ctypes.cast(data, cls) def to_string(self, security_information=DEFAULT_SECURITY_INFORMATION): """Return the SDDL representation of the security descriptor :type: :class:`str` """ result_cstr = gdef.LPSTR() winproxy.ConvertSecurityDescriptorToStringSecurityDescriptorA( self, gdef.SDDL_REVISION_1, security_information, result_cstr, None) result = result_cstr.value # Retrieve a python-str copy winproxy.LocalFree(result_cstr) return result.decode() __str__ = to_string def isrelative(self): """[WIP] api may change""" return bool(self.control & gdef.SE_SELF_RELATIVE) def make_absolute(self): """[WIP] api may change""" # Assert relative ? abs_descriptor_size = gdef.DWORD(0) dacl_size = gdef.DWORD(0) sacl_size = gdef.DWORD(0) owner_size = gdef.DWORD(0) prim_groupe_size = gdef.DWORD(0) try: windows.winproxy.MakeAbsoluteSD(self, None, abs_descriptor_size, None, dacl_size, None, sacl_size, None, owner_size, None, prim_groupe_size) except WindowsError as e: if e.winerror != gdef.ERROR_INSUFFICIENT_BUFFER: raise abs_sd = windows.utils.BUFFER(gdef.BYTE, abs_descriptor_size.value)().cast(SecurityDescriptor) # dacl = ctypes.create_string_buffer(dacl_size.value) dacl = windows.utils.BUFFER(gdef.BYTE, dacl_size.value)() sacl = windows.utils.BUFFER(gdef.BYTE, sacl_size.value)() owner = ctypes.create_string_buffer(owner_size.value) prim_groupe = ctypes.create_string_buffer(prim_groupe_size.value) windows.winproxy.MakeAbsoluteSD(self, abs_sd, abs_descriptor_size, dacl.cast(gdef.PACL), dacl_size, sacl.cast(gdef.PACL), sacl_size, owner, owner_size, prim_groupe, prim_groupe_size) |
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