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[NTOS] Add TAG_DACL in tag.h and use it.

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Hermès Bélusca-Maïto 2022-11-01 22:06:12 +01:00
parent 33e0a69dad
commit ab5fdac922
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GPG key ID: 3B2539C65E7B93D0
4 changed files with 21 additions and 20 deletions
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1
ntoskrnl/include/internal/tag.h
View file

@ -165,6 +165,7 @@
#define TAG_SID_AND_ATTRIBUTES 'aSeS'
#define TAG_SID_VALIDATE 'vSeS'
#define TAG_ACCESS_CHECK_RIGHT 'rCeS'
#define TAG_DACL 'lcaD'
/* LPC Tags */
#define TAG_LPC_MESSAGE 'McpL'

4
ntoskrnl/mm/ARM3/mminit.c
View file

@ -1264,7 +1264,7 @@ MiCreateMemoryEvent(IN PUNICODE_STRING Name,
RtlLengthSid(SeWorldSid);
/* Allocate space for the DACL */
Dacl = ExAllocatePoolWithTag(PagedPool, DaclLength, 'lcaD');
Dacl = ExAllocatePoolWithTag(PagedPool, DaclLength, TAG_DACL);
if (!Dacl) return STATUS_INSUFFICIENT_RESOURCES;
/* Setup the ACL inside it */
@ -1314,7 +1314,7 @@ MiCreateMemoryEvent(IN PUNICODE_STRING Name,
FALSE);
CleanUp:
/* Free the DACL */
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
/* Check if this is the success path */
if (NT_SUCCESS(Status))

30
ntoskrnl/mm/pagefile.c
View file

@ -476,7 +476,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
/* Create the DACL: we will only allow two SIDs */
Count = sizeof(ACL) + (sizeof(ACE) + RtlLengthSid(SeLocalSystemSid)) +
(sizeof(ACE) + RtlLengthSid(SeAliasAdminsSid));
Dacl = ExAllocatePoolWithTag(PagedPool, Count, 'lcaD');
Dacl = ExAllocatePoolWithTag(PagedPool, Count, TAG_DACL);
if (Dacl == NULL)
{
ExFreePoolWithTag(Buffer, TAG_MM);
@ -487,7 +487,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
Status = RtlCreateAcl(Dacl, Count, ACL_REVISION);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -496,7 +496,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
Status = RtlAddAccessAllowedAce(Dacl, ACL_REVISION, FILE_ALL_ACCESS, SeAliasAdminsSid);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -505,7 +505,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
Status = RtlAddAccessAllowedAce(Dacl, ACL_REVISION, FILE_ALL_ACCESS, SeLocalSystemSid);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -514,7 +514,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
Status = RtlSetDaclSecurityDescriptor(&SecurityDescriptor, TRUE, Dacl, FALSE);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -573,7 +573,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
SL_OPEN_PAGING_FILE | IO_NO_PARAMETER_CHECKING);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -590,7 +590,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
if (!NT_SUCCESS(Status))
{
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -625,7 +625,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
KeReleaseGuardedMutex(&MmPageFileCreationLock);
ObDereferenceObject(FileObject);
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return STATUS_NOT_FOUND;
}
@ -636,7 +636,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
KeReleaseGuardedMutex(&MmPageFileCreationLock);
ObDereferenceObject(FileObject);
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return STATUS_INVALID_PARAMETER_2;
}
@ -646,7 +646,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
KeReleaseGuardedMutex(&MmPageFileCreationLock);
ObDereferenceObject(FileObject);
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return STATUS_INVALID_PARAMETER_3;
}
@ -657,7 +657,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
KeReleaseGuardedMutex(&MmPageFileCreationLock);
ObDereferenceObject(FileObject);
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return STATUS_NOT_IMPLEMENTED;
}
@ -665,7 +665,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed creating page file: %lx\n", Status);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
@ -676,17 +676,17 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
Status = ZwSetSecurityObject(FileHandle, DACL_SECURITY_INFORMATION, &SecurityDescriptor);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Dacl, 'lcaD');
ZwClose(FileHandle);
ExFreePoolWithTag(Dacl, TAG_DACL);
ExFreePoolWithTag(Buffer, TAG_MM);
return Status;
}
}
/* DACL is no longer needed, free it */
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
/* FIXME: To enable once page file managment is moved to ARM3 */
/* FIXME: To enable once page file management is moved to ARM3 */
#if 0
/* Check we won't overflow commit limit with the page file */
if (MmTotalCommitLimitMaximum + (SafeMaximumSize.QuadPart >> PAGE_SHIFT) <= MmTotalCommitLimitMaximum)

6
ntoskrnl/ob/obname.c
View file

@ -58,7 +58,7 @@ ObpGetDosDevicesProtection(OUT PSECURITY_DESCRIPTOR SecurityDescriptor)
sizeof(ACE) + RtlLengthSid(SeCreatorOwnerSid);
/* Allocate the ACL */
Dacl = ExAllocatePoolWithTag(PagedPool, AclSize, 'lcaD');
Dacl = ExAllocatePoolWithTag(PagedPool, AclSize, TAG_DACL);
if (Dacl == NULL)
{
return STATUS_INSUFFICIENT_RESOURCES;
@ -117,7 +117,7 @@ ObpGetDosDevicesProtection(OUT PSECURITY_DESCRIPTOR SecurityDescriptor)
sizeof(ACE) + RtlLengthSid(SeLocalSystemSid);
/* Allocate the ACL */
Dacl = ExAllocatePoolWithTag(PagedPool, AclSize, 'lcaD');
Dacl = ExAllocatePoolWithTag(PagedPool, AclSize, TAG_DACL);
if (Dacl == NULL)
{
return STATUS_INSUFFICIENT_RESOURCES;
@ -168,7 +168,7 @@ ObpFreeDosDevicesProtection(OUT PSECURITY_DESCRIPTOR SecurityDescriptor)
ASSERT(NT_SUCCESS(Status));
ASSERT(DaclPresent);
ASSERT(Dacl != NULL);
ExFreePoolWithTag(Dacl, 'lcaD');
ExFreePoolWithTag(Dacl, TAG_DACL);
}
CODE_SEG("INIT")