340 lines
10 KiB
C
340 lines
10 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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sertlp.h
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Abstract:
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Include file for NT runtime routines that are callable by both
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kernel mode code in the executive and user mode code in various
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NT subsystems, but which are private interfaces.
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The routines in this file should not be used outside of the security
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related rtl files.
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Author:
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Robert P. Reichel (robertre) 6-12-91
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Environment:
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These routines are statically linked in the caller's executable and
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are callable in either kernel mode or user mode.
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Revision History:
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--*/
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#ifndef _SERTLP_
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#define _SERTLP_
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#include "nt.h"
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#include "zwapi.h"
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#include "ntrtl.h"
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Local Macros //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#ifndef LongAlign
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#define LongAlign LongAlignPtr
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#endif
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#define LongAlignPtr(Ptr) ((PVOID)(((ULONG_PTR)(Ptr) + 3) & -4))
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#define LongAlignSize(Size) (((ULONG)(Size) + 3) & -4)
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//
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// Macros for calculating the address of the components of a security
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// descriptor. This will calculate the address of the field regardless
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// of whether the security descriptor is absolute or self-relative form.
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// A null value indicates the specified field is not present in the
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// security descriptor.
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//
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//
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// NOTE: Similar copies of these macros appear in sep.h.
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// Be sure to propagate bug fixes and changes.
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//
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#define RtlpOwnerAddrSecurityDescriptor( SD ) \
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( ((SD)->Control & SE_SELF_RELATIVE) ? \
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( (((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Owner == 0) ? ((PSID) NULL) : \
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(PSID)RtlOffsetToPointer((SD), ((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Owner) \
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) : \
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(PSID)((SD)->Owner) \
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)
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#define RtlpGroupAddrSecurityDescriptor( SD ) \
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( ((SD)->Control & SE_SELF_RELATIVE) ? \
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( (((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Group == 0) ? ((PSID) NULL) : \
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(PSID)RtlOffsetToPointer((SD), ((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Group) \
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) : \
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(PSID)((SD)->Group) \
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)
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#define RtlpSaclAddrSecurityDescriptor( SD ) \
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( (!((SD)->Control & SE_SACL_PRESENT) ) ? \
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(PACL)NULL : \
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( ((SD)->Control & SE_SELF_RELATIVE) ? \
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( (((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Sacl == 0) ? ((PACL) NULL) : \
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(PACL)RtlOffsetToPointer((SD), ((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Sacl) \
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) : \
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(PACL)((SD)->Sacl) \
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) \
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)
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#define RtlpDaclAddrSecurityDescriptor( SD ) \
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( (!((SD)->Control & SE_DACL_PRESENT) ) ? \
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(PACL)NULL : \
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( ((SD)->Control & SE_SELF_RELATIVE) ? \
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( (((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Dacl == 0) ? ((PACL) NULL) : \
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(PACL)RtlOffsetToPointer((SD), ((SECURITY_DESCRIPTOR_RELATIVE *) (SD))->Dacl) \
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) : \
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(PACL)((SD)->Dacl) \
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) \
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)
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//
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// Macro to determine if the given ID has the owner attribute set,
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// which means that it may be assignable as an owner
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// The GroupSid should not be marked for UseForDenyOnly.
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//
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#define RtlpIdAssignableAsOwner( G ) \
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( (((G).Attributes & SE_GROUP_OWNER) != 0) && \
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(((G).Attributes & SE_GROUP_USE_FOR_DENY_ONLY) == 0) )
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//
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// Macro to copy the state of the passed bits from the old security
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// descriptor (OldSD) into the Control field of the new one (NewSD)
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//
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#define RtlpPropagateControlBits( NewSD, OldSD, Bits ) \
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( NewSD )->Control |= \
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( \
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( OldSD )->Control & ( Bits ) \
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)
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//
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// Macro to query whether or not the passed set of bits are ALL on
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// or not (ie, returns FALSE if some are on and not others)
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//
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#define RtlpAreControlBitsSet( SD, Bits ) \
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(BOOLEAN) \
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( \
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(( SD )->Control & ( Bits )) == ( Bits ) \
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)
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//
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// Macro to set the passed control bits in the given Security Descriptor
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//
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#define RtlpSetControlBits( SD, Bits ) \
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( \
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( SD )->Control |= ( Bits ) \
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)
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//
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// Macro to clear the passed control bits in the given Security Descriptor
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//
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#define RtlpClearControlBits( SD, Bits ) \
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( \
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( SD )->Control &= ~( Bits ) \
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)
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////////////////////////////////////////////////////////////////////////////////
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// //
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// Prototypes for local procedures //
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// //
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////////////////////////////////////////////////////////////////////////////////
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BOOLEAN
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RtlpContainsCreatorOwnerSid(
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PKNOWN_ACE Ace
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);
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BOOLEAN
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RtlpContainsCreatorGroupSid(
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PKNOWN_ACE Ace
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);
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VOID
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RtlpApplyAclToObject (
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IN PACL Acl,
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IN PGENERIC_MAPPING GenericMapping
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);
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NTSTATUS
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RtlpInheritAcl (
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IN PACL DirectoryAcl,
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IN PACL ChildAcl,
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IN ULONG ChildGenericControl,
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IN BOOLEAN IsDirectoryObject,
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IN BOOLEAN AutoInherit,
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IN BOOLEAN DefaultDescriptorForObject,
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IN PSID OwnerSid,
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IN PSID GroupSid,
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IN PSID ServerOwnerSid OPTIONAL,
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IN PSID ServerGroupSid OPTIONAL,
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IN PGENERIC_MAPPING GenericMapping,
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IN BOOLEAN IsSacl,
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IN GUID **pNewObjectType OPTIONAL,
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IN ULONG GuidCount,
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OUT PACL *NewAcl,
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OUT PBOOLEAN NewAclExplicitlyAssigned,
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OUT PULONG NewGenericControl
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);
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NTSTATUS
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RtlpInitializeAllowedAce(
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IN PACCESS_ALLOWED_ACE AllowedAce,
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IN USHORT AceSize,
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IN UCHAR InheritFlags,
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IN UCHAR AceFlags,
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IN ACCESS_MASK Mask,
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IN PSID AllowedSid
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);
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NTSTATUS
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RtlpInitializeDeniedAce(
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IN PACCESS_DENIED_ACE DeniedAce,
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IN USHORT AceSize,
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IN UCHAR InheritFlags,
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IN UCHAR AceFlags,
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IN ACCESS_MASK Mask,
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IN PSID DeniedSid
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);
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NTSTATUS
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RtlpInitializeAuditAce(
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IN PACCESS_ALLOWED_ACE AuditAce,
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IN USHORT AceSize,
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IN UCHAR InheritFlags,
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IN UCHAR AceFlags,
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IN ACCESS_MASK Mask,
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IN PSID AuditSid
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);
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BOOLEAN
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RtlpValidOwnerSubjectContext(
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IN HANDLE Token,
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IN PSID Owner,
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IN BOOLEAN ServerObject,
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OUT PNTSTATUS ReturnStatus
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);
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VOID
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RtlpQuerySecurityDescriptor(
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IN PISECURITY_DESCRIPTOR SecurityDescriptor,
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OUT PSID *Owner,
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OUT PULONG OwnerSize,
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OUT PSID *PrimaryGroup,
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OUT PULONG PrimaryGroupSize,
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OUT PACL *Dacl,
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OUT PULONG DaclSize,
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OUT PACL *Sacl,
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OUT PULONG SaclSize
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);
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NTSTATUS
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RtlpFreeVM(
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IN PVOID *Base
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);
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NTSTATUS
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RtlpConvertToAutoInheritSecurityObject(
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IN PSECURITY_DESCRIPTOR ParentDescriptor OPTIONAL,
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IN PSECURITY_DESCRIPTOR CurrentSecurityDescriptor,
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OUT PSECURITY_DESCRIPTOR *NewSecurityDescriptor,
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IN GUID *ObjectType OPTIONAL,
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IN BOOLEAN IsDirectoryObject,
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IN PGENERIC_MAPPING GenericMapping
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);
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NTSTATUS
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RtlpNewSecurityObject (
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IN PSECURITY_DESCRIPTOR ParentDescriptor OPTIONAL,
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IN PSECURITY_DESCRIPTOR CreatorDescriptor OPTIONAL,
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OUT PSECURITY_DESCRIPTOR * NewDescriptor,
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IN GUID **pObjectType OPTIONAL,
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IN ULONG GuidCOunt,
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IN BOOLEAN IsDirectoryObject,
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IN ULONG AutoInheritFlags,
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IN HANDLE Token OPTIONAL,
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IN PGENERIC_MAPPING GenericMapping
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);
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NTSTATUS
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RtlpSetSecurityObject (
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IN PVOID Object OPTIONAL,
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IN SECURITY_INFORMATION SecurityInformation,
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IN PSECURITY_DESCRIPTOR ModificationDescriptor,
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IN OUT PSECURITY_DESCRIPTOR *ObjectsSecurityDescriptor,
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IN ULONG AutoInheritFlags,
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IN ULONG PoolType,
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IN PGENERIC_MAPPING GenericMapping,
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IN HANDLE Token OPTIONAL
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);
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FORCEINLINE
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PULONG
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RtlpSubAuthoritySid(
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IN PSID Sid,
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IN ULONG SubAuthority
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)
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/*++
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Routine Description:
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This function returns the address of a sub-authority array element of
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an SID.
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Arguments:
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Sid - Pointer to the SID data structure.
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SubAuthority - An index indicating which sub-authority is being specified.
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This value is not compared against the number of sub-authorities in the
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SID for validity.
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Return Value:
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--*/
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{
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PISID ISid;
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//
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// Typecast to the opaque SID
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//
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ISid = (PISID)Sid;
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return &(ISid->SubAuthority[SubAuthority]);
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}
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#endif // _SERTLP_
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