[reactos] 02/04: [NTOS] Add TAG_DACL in tag.h and use it.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=ab5fdac922def35914942…

commit ab5fdac922def35914942b1211b8b49b57243586
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Tue Nov 1 22:06:12 2022 +0100
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Thu Nov 3 02:55:49 2022 +0100

    [NTOS] Add TAG_DACL in tag.h and use it.
---
 ntoskrnl/include/internal/tag.h |  1 +
 ntoskrnl/mm/ARM3/mminit.c       |  4 ++--
 ntoskrnl/mm/pagefile.c          | 30 +++++++++++++++---------------
 ntoskrnl/ob/obname.c            |  6 +++---
 4 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/ntoskrnl/include/internal/tag.h b/ntoskrnl/include/internal/tag.h
index b79a8a2a2c0..f7a021152ce 100644
--- a/ntoskrnl/include/internal/tag.h
+++ b/ntoskrnl/include/internal/tag.h
@@ -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'
diff --git a/ntoskrnl/mm/ARM3/mminit.c b/ntoskrnl/mm/ARM3/mminit.c
index 400f8965dd5..bd5ab3caa88 100644
--- a/ntoskrnl/mm/ARM3/mminit.c
+++ b/ntoskrnl/mm/ARM3/mminit.c
@@ -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))
diff --git a/ntoskrnl/mm/pagefile.c b/ntoskrnl/mm/pagefile.c
index 6f73c28d37d..5b35860862f 100644
--- a/ntoskrnl/mm/pagefile.c
+++ b/ntoskrnl/mm/pagefile.c
@@ -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)
diff --git a/ntoskrnl/ob/obname.c b/ntoskrnl/ob/obname.c
index 667815d41dc..5c829327c14 100644
--- a/ntoskrnl/ob/obname.c
+++ b/ntoskrnl/ob/obname.c
@@ -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")