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[NTOSKRNL]

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- In SepAccessCheck remove CurrentAccess (which is in all cases only a duplicate of PreviouslyGrantedAccess) and replace AccessMask with TempAccess

svn path=/trunk/; revision=62072
This commit is contained in:
Timo Kreuzer
2014-02-09 16:21:49 +00:00
parent f03483a3f5
commit d700e58b85
1 changed files with 7 additions and 14 deletions
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reactos/ntoskrnl/se/accesschk.c
+7 -14
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@@ -31,9 +31,6 @@ SepAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
OUT PACCESS_MASK GrantedAccess,
OUT PNTSTATUS AccessStatus)
{
#ifdef OLD_ACCESS_CHECK
ACCESS_MASK CurrentAccess, AccessMask;
#endif
ACCESS_MASK RemainingAccess;
ACCESS_MASK TempAccess;
ACCESS_MASK TempGrantedAccess = 0;
@@ -115,7 +112,7 @@ SepAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
if (DesiredAccess & MAXIMUM_ALLOWED)
{
*GrantedAccess = GenericMapping->GenericAll;
*GrantedAccess |= (DesiredAccess & ~MAXIMUM_ALLOWED);
*GrantedAccess |= (DesiredAccess | PreviouslyGrantedAccess) & ~MAXIMUM_ALLOWED;
}
else
{
@@ -126,10 +123,6 @@ SepAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
return TRUE;
}
#ifdef OLD_ACCESS_CHECK
CurrentAccess = PreviouslyGrantedAccess;
#endif
/* Deny access if the DACL is empty */
if (Dacl->AceCount == 0)
{
@@ -252,9 +245,9 @@ SepAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
if (SepSidInToken(Token, Sid))
{
#ifdef OLD_ACCESS_CHECK
AccessMask = CurrentAce->AccessMask;
RtlMapGenericMask(&AccessMask, GenericMapping);
CurrentAccess |= AccessMask;
TempAccess = CurrentAce->AccessMask;
RtlMapGenericMask(&TempAccess, GenericMapping);
PreviouslyGrantedAccess |= TempAccess;
#else
/* Map access rights from the ACE */
TempAccess = CurrentAce->AccessMask;
@@ -276,10 +269,10 @@ SepAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
}
#ifdef OLD_ACCESS_CHECK
DPRINT("CurrentAccess %08lx\n DesiredAccess %08lx\n",
CurrentAccess, DesiredAccess);
DPRINT("PreviouslyGrantedAccess %08lx\n DesiredAccess %08lx\n",
PreviouslyGrantedAccess, DesiredAccess);
*GrantedAccess = CurrentAccess & DesiredAccess;
*GrantedAccess = PreviouslyGrantedAccess & DesiredAccess;
if ((*GrantedAccess & ~VALID_INHERIT_FLAGS) ==
(DesiredAccess & ~VALID_INHERIT_FLAGS))