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[NTOS:PS] Adjust the PsReferenceEffectiveToken() prototype in the header; add a comment about the fact that the ImpersonationLevel parameter can be left untouched on purpose in one special case.

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Hermès Bélusca-Maïto 2018-06-25 15:21:33 +02:00
parent 3cdb717a7b
commit 813879f02f
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2 changed files with 8 additions and 5 deletions
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6
ntoskrnl/include/internal/ps.h
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@ -170,9 +170,9 @@ PACCESS_TOKEN
NTAPI NTAPI
PsReferenceEffectiveToken( PsReferenceEffectiveToken(
IN PETHREAD Thread, IN PETHREAD Thread,
OUT PTOKEN_TYPE TokenType, OUT IN PTOKEN_TYPE TokenType,
OUT PUCHAR b, OUT PBOOLEAN EffectiveOnly,
OUT PSECURITY_IMPERSONATION_LEVEL Level OUT PSECURITY_IMPERSONATION_LEVEL ImpersonationLevel
); );
NTSTATUS NTSTATUS

7
ntoskrnl/ps/security.c
View file

@ -691,11 +691,13 @@ NTAPI
PsReferenceEffectiveToken(IN PETHREAD Thread, PsReferenceEffectiveToken(IN PETHREAD Thread,
OUT IN PTOKEN_TYPE TokenType, OUT IN PTOKEN_TYPE TokenType,
OUT PBOOLEAN EffectiveOnly, OUT PBOOLEAN EffectiveOnly,
OUT PSECURITY_IMPERSONATION_LEVEL Level) OUT PSECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
{ {
PEPROCESS Process; PEPROCESS Process;
PACCESS_TOKEN Token = NULL; PACCESS_TOKEN Token = NULL;
PAGED_CODE(); PAGED_CODE();
PSTRACE(PS_SECURITY_DEBUG, PSTRACE(PS_SECURITY_DEBUG,
"Thread: %p, TokenType: %p\n", Thread, TokenType); "Thread: %p, TokenType: %p\n", Thread, TokenType);
@ -716,7 +718,7 @@ PsReferenceEffectiveToken(IN PETHREAD Thread,
/* Return data to caller */ /* Return data to caller */
*TokenType = TokenImpersonation; *TokenType = TokenImpersonation;
*EffectiveOnly = Thread->ImpersonationInfo->EffectiveOnly; *EffectiveOnly = Thread->ImpersonationInfo->EffectiveOnly;
*Level = Thread->ImpersonationInfo->ImpersonationLevel; *ImpersonationLevel = Thread->ImpersonationInfo->ImpersonationLevel;
/* Unlock the Process */ /* Unlock the Process */
PspUnlockProcessSecurityShared(Process); PspUnlockProcessSecurityShared(Process);
@ -746,6 +748,7 @@ PsReferenceEffectiveToken(IN PETHREAD Thread,
/* Return the token */ /* Return the token */
*TokenType = TokenPrimary; *TokenType = TokenPrimary;
*EffectiveOnly = FALSE; *EffectiveOnly = FALSE;
// NOTE: ImpersonationLevel is left untouched on purpose!
return Token; return Token;
} }