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574 lines
16 KiB
574 lines
16 KiB
/*++
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Copyright (c) 1997-2000 Microsoft Corporation
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Module Name:
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saferp.h
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Abstract:
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This file implements the private (internal) functions, data types,
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data structures, and definitions used by the other WinSAFER
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code implementations. All of the APIs listed in this header are
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not exported by ADVAPI32.DLL at all and are only callable by
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other code actually located within advapi.
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Author:
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Jeffrey Lawson (JLawson)
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Revision History:
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--*/
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#ifndef _AUTHZSAFERP_H_
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#define _AUTHZSAFERP_H_
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#include "safewild.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// ---------------------------------------------------------
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//
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// Convenient macro for determining the number of elements in an array.
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//
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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#endif
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//
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// Simple inlined function to return true if a GUID is all zeros.
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//
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FORCEINLINE BOOLEAN IsZeroGUID(REFGUID rguid1)
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{
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return (
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((unsigned long *) rguid1)[0] == 0 &&
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((unsigned long *) rguid1)[1] == 0 &&
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((unsigned long *) rguid1)[2] == 0 &&
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((unsigned long *) rguid1)[3] == 0);
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}
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//
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// Private structure used to store a table of all of the defined
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// WinSafer Levels as we enumerate them to evaluate the matching one.
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//
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typedef struct _AUTHZLEVELTABLERECORD
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{
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// The user-defined integer value that controls the relative ranking
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// of authorization level between Code Authorization Level.
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DWORD dwLevelId;
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// Boolean indicating whether this level is a "built-in" one.
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BOOLEAN Builtin;
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// Boolean indicating whether this level is enumerable
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BOOLEAN isEnumerable;
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// The short friendly name and the description.
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UNICODE_STRING UnicodeFriendlyName;
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UNICODE_STRING UnicodeDescription;
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// All of the following attributes are needed for
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// actual creation of the restricted token.
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BOOL DisallowExecution; // block execution entirely
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BOOL DisableMaxPrivileges; // privilege options
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PSID DefaultOwner; // default owner SID
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DWORD SaferFlags; // special job execution flags
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BOOL InvertDisableSids; // SIDs specified are negative
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DWORD DisableSidCount; // number of deny-only SIDs
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DWORD DisableSidUsedCount; // number actually used
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PAUTHZ_WILDCARDSID SidsToDisable; // deny-only SIDs
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BOOL InvertDeletePrivs; // privileges specified are negative
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DWORD DeletePrivilegeCount; // number of privileges
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DWORD DeletePrivilegeUsedCount; // number actually used
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PLUID_AND_ATTRIBUTES PrivilegesToDelete; // privileges
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DWORD RestrictedSidsInvCount; // number of inverted restricting SIDs
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DWORD RestrictedSidsInvUsedCount; // number actually used
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PAUTHZ_WILDCARDSID RestrictedSidsInv; // list of inverted restricting SIDs
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DWORD RestrictedSidsAddedCount; // number of restricting SIDs
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DWORD RestrictedSidsAddedUsedCount; // number actually used
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PSID_AND_ATTRIBUTES RestrictedSidsAdded; // list of restricting SIDs
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}
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AUTHZLEVELTABLERECORD, *PAUTHZLEVELTABLERECORD;
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//
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// Private structure to store all code identifications.
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//
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#pragma warning(push)
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#pragma warning(disable:4201) // nonstandard extension used : nameless struct/union
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typedef struct _AUTHZIDENTSTABLERECORD
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{
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// unique identifier that distinguishes this code identity.
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GUID IdentGuid;
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// the following enumeration specifies what type of
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// code identity this record represents.
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SAFER_IDENTIFICATION_TYPES dwIdentityType;
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// Specifies what Level this Code Identification maps to.
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DWORD dwLevelId;
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// Specifies what scope this Code Identity was loaded from.
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DWORD dwScopeId;
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// Actual details about this identity.
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union {
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struct {
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BOOL bExpandVars;
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UNICODE_STRING ImagePath;
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DWORD dwSaferFlags;
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} ImageNameInfo;
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struct {
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LARGE_INTEGER ImageSize;
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DWORD HashSize;
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BYTE ImageHash[SAFER_MAX_HASH_SIZE];
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ALG_ID HashAlgorithm;
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DWORD dwSaferFlags;
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} ImageHashInfo;
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struct {
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DWORD UrlZoneId;
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DWORD dwSaferFlags;
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} ImageZone;
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};
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}
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AUTHZIDENTSTABLERECORD, *PAUTHZIDENTSTABLERECORD;
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#pragma warning(pop)
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//
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// Private structure representation of a Level handle. The
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// typedef SAFER_LEVEL_HANDLE is an opaque reference to a structure of
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// this type, accessed via the RtlHandleTable functions.
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//
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typedef struct _AUTHZLEVELHANDLESTRUCT_
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{
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// This first header is required by the RTL_HANDLE_TABLE system.
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// All allocated handles will implicitly have bit 0 set. All other
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// remaining bits can be used for our own purposes if we want.
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RTL_HANDLE_TABLE_ENTRY HandleHeader;
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// The following information is redundant. It can be found by
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// also accessing the pLevelRecord directly.
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DWORD dwLevelId;
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// This scope identifier specifies the value that was passed to
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// the Win32 API SaferCreateLevel and is really only looked at
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// by SaferGetLevelInformation for the Identity GUID enums.
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DWORD dwScopeId; // (same as from pIdentRecord)
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// Stores the matching identity record that gave this result.
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// May be NULL, as in case of direct SaferCreateLevel or a
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// default Level match.
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GUID identGuid;
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// This value stores the Safer Flags that were derived from the
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// Identity Entry record when SaferIdentifyLevel finds a match.
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DWORD dwSaferFlags;
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// The sequence value indicates the "generation" at which a handle
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// was originally opened. If this value does not match the current
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// value in the global g_dwLevelHandleSequence, then this handle
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// should be considered a no-longer valid handle.
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DWORD dwHandleSequence;
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// Extended error information - applicable for certificate rules.
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DWORD dwExtendedError;
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// the following enumeration specifies what type of
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// code identity this handle represents.
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SAFER_IDENTIFICATION_TYPES IdentificationType;
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// For future use and padding purposes.
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DWORD dwReserved;
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}
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AUTHZLEVELHANDLESTRUCT, *PAUTHZLEVELHANDLESTRUCT;
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//
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// Private structure definition used to pass around all state
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// information needed during the SaferIdentifyLevel execution.
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//
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typedef struct _LOCALIDENTITYCONTEXT
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{
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// Original query request data.
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DWORD dwCheckFlags; // copy of original function input
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PSAFER_CODE_PROPERTIES CodeProps; // RO: original function input
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// Information about the hash that may have been computed.
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BOOLEAN bHaveHash;
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BYTE FinalHash[SAFER_MAX_HASH_SIZE];
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DWORD FinalHashSize;
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ALG_ID FinalHashAlgorithm;
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// File handle that may have been opened or supplied by the caller.
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HANDLE hFileHandle;
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// File handle status. If this is TRUE then hFileHandle needs to
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// be closed before returning.
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BOOLEAN bCloseFileHandle;
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// Fully qualified NT filename of the input file.
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UNICODE_STRING UnicodeFullyQualfiedLongFileName;
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// Information about the image that may have been mapped.
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LARGE_INTEGER ImageSize;
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PVOID pImageMemory;
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// Memory mapped file status. If this is TRUE then
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// pImageMemory needs to be unmapped before returning.
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BOOLEAN bImageMemoryNeedUnmap;
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}
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LOCALIDENTITYCONTEXT, *PLOCALIDENTITYCONTEXT;
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//
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// Various globals that are used for the cache of levels and
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// identities so that we do not need to go to the registry each time.
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//
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extern BOOLEAN g_bInitializedFirstTime;
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extern CRITICAL_SECTION g_TableCritSec;
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extern HANDLE g_hKeyCustomRoot;
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extern DWORD g_dwKeyOptions;
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extern BOOLEAN g_bNeedCacheReload;
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extern RTL_GENERIC_TABLE g_CodeLevelObjTable;
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extern RTL_GENERIC_TABLE g_CodeIdentitiesTable;
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extern RTL_HANDLE_TABLE g_LevelHandleTable;
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extern DWORD g_dwLevelHandleSequence;
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extern BOOLEAN g_bHonorScopeUser;
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extern PAUTHZLEVELTABLERECORD g_DefaultCodeLevel;
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extern PAUTHZLEVELTABLERECORD g_DefaultCodeLevelUser;
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extern PAUTHZLEVELTABLERECORD g_DefaultCodeLevelMachine;
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//
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// Private function prototypes defined within SAFEINIT.C
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//
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NTSTATUS NTAPI
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CodeAuthzInitializeGlobals(VOID);
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VOID NTAPI
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CodeAuthzDeinitializeGlobals(VOID);
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NTSTATUS NTAPI
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CodeAuthzReloadCacheTables(
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IN HANDLE hKeyCustomRoot OPTIONAL,
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IN DWORD dwKeyOptions,
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IN BOOLEAN bImmediateLoad
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);
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NTSTATUS NTAPI
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CodeAuthzpImmediateReloadCacheTables(
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VOID
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);
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NTSTATUS NTAPI
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CodeAuthzpDeleteKeyRecursively(
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IN HANDLE hBaseKey,
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IN PUNICODE_STRING pSubKey OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzpFormatLevelKeyPath(
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IN DWORD dwLevelId,
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IN OUT PUNICODE_STRING UnicodeSuffix
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);
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NTSTATUS NTAPI
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CodeAuthzpFormatIdentityKeyPath(
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IN DWORD dwLevelId,
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IN LPCWSTR szIdentityType,
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IN REFGUID refIdentGuid,
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IN OUT PUNICODE_STRING UnicodeSuffix
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);
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NTSTATUS NTAPI
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CodeAuthzpOpenPolicyRootKey(
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IN DWORD dwScopeId,
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IN HANDLE hKeyCustomBase OPTIONAL,
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IN LPCWSTR szRegistrySuffix OPTIONAL,
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IN ACCESS_MASK DesiredAccess,
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IN BOOLEAN bCreateKey,
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OUT HANDLE *OpenedHandle
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);
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VOID NTAPI
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CodeAuthzpRecomputeEffectiveDefaultLevel(VOID);
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//
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// Private function prototypes defined within SAFEHAND.C
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//
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NTSTATUS NTAPI
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CodeAuthzpCreateLevelHandleFromRecord(
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IN PAUTHZLEVELTABLERECORD pLevelRecord,
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IN DWORD dwScopeId,
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IN DWORD dwSaferFlags OPTIONAL,
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IN DWORD dwExtendedError,
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IN SAFER_IDENTIFICATION_TYPES IdentificationType,
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IN REFGUID refIdentGuid OPTIONAL,
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OUT SAFER_LEVEL_HANDLE *pLevelHandle
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);
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NTSTATUS NTAPI
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CodeAuthzHandleToLevelStruct(
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IN SAFER_LEVEL_HANDLE hLevelObject,
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OUT PAUTHZLEVELHANDLESTRUCT *pLevelStruct
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);
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NTSTATUS NTAPI
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CodeAuthzCreateLevelHandle(
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IN DWORD dwLevelId,
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IN DWORD OpenFlags,
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IN DWORD dwScopeId,
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IN DWORD dwSaferFlags OPTIONAL,
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OUT SAFER_LEVEL_HANDLE *pLevelHandle);
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NTSTATUS NTAPI
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CodeAuthzCloseLevelHandle(
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IN SAFER_LEVEL_HANDLE hLevelObject
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);
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//
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// Functions related to WinSafer Level enumeration (SAFEIDEP.C)
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//
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VOID NTAPI
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CodeAuthzLevelObjpInitializeTable(
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IN OUT PRTL_GENERIC_TABLE pAuthzObjTable
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);
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NTSTATUS NTAPI
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CodeAuthzLevelObjpLoadTable (
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IN OUT PRTL_GENERIC_TABLE pAuthzObjTable,
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IN DWORD dwScopeId,
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IN HANDLE hKeyCustomRoot
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);
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VOID NTAPI
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CodeAuthzLevelObjpEntireTableFree (
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IN OUT PRTL_GENERIC_TABLE pAuthzObjTable
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);
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PAUTHZLEVELTABLERECORD NTAPI
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CodeAuthzLevelObjpLookupByLevelId (
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IN PRTL_GENERIC_TABLE pAuthzObjTable,
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IN DWORD dwLevelId
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);
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//
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// Functions related to WinSafer Code Identity enumeration. (SAFEIDEP.C)
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//
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VOID NTAPI
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CodeAuthzGuidIdentsInitializeTable(
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IN OUT PRTL_GENERIC_TABLE pAuthzObjTable
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);
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NTSTATUS NTAPI
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CodeAuthzGuidIdentsLoadTableAll (
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IN PRTL_GENERIC_TABLE pAuthzLevelTable,
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IN OUT PRTL_GENERIC_TABLE pAuthzIdentTable,
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IN DWORD dwScopeId,
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IN HANDLE hKeyCustomBase
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);
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VOID NTAPI
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CodeAuthzGuidIdentsEntireTableFree (
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IN OUT PRTL_GENERIC_TABLE pAuthzIdentTable
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);
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PAUTHZIDENTSTABLERECORD NTAPI
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CodeAuthzIdentsLookupByGuid (
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IN PRTL_GENERIC_TABLE pAuthzIdentTable,
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IN REFGUID pIdentGuid
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);
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//
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// Helper functions that are used during actual identification (SAFEIDEP.C)
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//
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LONG NTAPI
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CodeAuthzpCompareImagePath(
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IN LPCWSTR szPathFragment,
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IN LPCWSTR szFullImagePath);
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NTSTATUS NTAPI
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CodeAuthzpComputeImageHash(
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IN PVOID pImageMemory,
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IN DWORD dwImageSize,
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OUT PBYTE pComputedHash OPTIONAL,
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IN OUT PDWORD pdwHashSize OPTIONAL,
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OUT ALG_ID *pHashAlgorithm OPTIONAL
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);
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//
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// Private function prototypes for low-level policy reading/writing. (SAFEPOLR.C)
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//
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoCached_LevelListRaw(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoCached_DefaultLevel(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoRegistry_DefaultLevel(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_SetInfoDual_DefaultLevel(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize,
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OUT PVOID InfoBuffer
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoCached_HonorUserIdentities(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoRegistry_HonorUserIdentities(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_SetInfoDual_HonorUserIdentities(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize,
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IN PVOID InfoBuffer
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoRegistry_TransparentEnabled(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_SetInfoRegistry_TransparentEnabled(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize,
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IN PVOID InfoBuffer
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);
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NTSTATUS NTAPI
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CodeAuthzPol_GetInfoRegistry_ScopeFlags(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize OPTIONAL,
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OUT PVOID InfoBuffer OPTIONAL,
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OUT PDWORD InfoBufferRetSize OPTIONAL
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);
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NTSTATUS NTAPI
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CodeAuthzPol_SetInfoRegistry_ScopeFlags(
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IN DWORD dwScopeId,
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IN DWORD InfoBufferSize,
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IN PVOID InfoBuffer
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);
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//
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// Private function prototypes defined elsewhere.
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//
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LPVOID NTAPI
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CodeAuthzpGetTokenInformation(
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IN HANDLE TokenHandle,
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IN TOKEN_INFORMATION_CLASS TokenInformationClass
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);
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NTSTATUS NTAPI
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CodeAuthzIsExecutableFileType(
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IN PUNICODE_STRING szFullPathname,
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IN BOOLEAN bFromShellExecute,
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OUT PBOOLEAN pbResult
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);
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NTSTATUS NTAPI
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CodeAuthzFullyQualifyFilename(
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IN HANDLE hFileHandle OPTIONAL,
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IN BOOLEAN bSourceIsNtPath,
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IN LPCWSTR szSourceFilePath,
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OUT PUNICODE_STRING pUnicodeResult
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);
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BOOL NTAPI
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SaferpLoadUnicodeResourceString(
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IN HANDLE hModule,
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IN UINT wID,
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OUT PUNICODE_STRING pUnicodeString,
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IN WORD wLangId
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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