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- Extend SEH to cover writing result to output arguments. Noticed by Stefan Ginsberg.

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svn path=/trunk/; revision=34047
This commit is contained in:
Aleksey Bragin 2008-06-22 16:24:15 +00:00
parent e1419be7cd
commit 07a38cedf1
1 changed files with 31 additions and 31 deletions
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62
reactos/ntoskrnl/config/ntapi.c
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@ -63,6 +63,23 @@ NtCreateKey(OUT PHANDLE KeyHandle,
/* Save the class directly */
if (Class) ParseContext.Class = *Class;
}
/* Setup the parse context */
ParseContext.CreateOperation = TRUE;
ParseContext.CreateOptions = CreateOptions;
/* Do the create */
Status = ObOpenObjectByName(ObjectAttributes,
CmpKeyObjectType,
PreviousMode,
NULL,
DesiredAccess,
&ParseContext,
&Handle);
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
/* Return data to user */
if (Disposition) *Disposition = ParseContext.Disposition;
}
_SEH_HANDLE
{
@ -70,24 +87,8 @@ NtCreateKey(OUT PHANDLE KeyHandle,
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if (!NT_SUCCESS(Status)) return Status;
/* Setup the parse context */
ParseContext.CreateOperation = TRUE;
ParseContext.CreateOptions = CreateOptions;
/* Do the create */
Status = ObOpenObjectByName(ObjectAttributes,
CmpKeyObjectType,
PreviousMode,
NULL,
DesiredAccess,
&ParseContext,
&Handle);
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
/* Return data to user */
if (Disposition) *Disposition = ParseContext.Disposition;
/* Return status */
return Status;
}
@ -109,14 +110,24 @@ NtOpenKey(OUT PHANDLE KeyHandle,
{
/* Check for user-mode caller */
if (PreviousMode == UserMode)
{
{
/* Probe the key handle */
ProbeForWriteHandle(KeyHandle);
*KeyHandle = NULL;
/* Probe object attributes */
ProbeForRead(ObjectAttributes, sizeof(OBJECT_ATTRIBUTES), 4);
}
/* Just let the object manager handle this */
Status = ObOpenObjectByName(ObjectAttributes,
CmpKeyObjectType,
ExGetPreviousMode(),
NULL,
DesiredAccess,
&ParseContext,
&Handle);
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
}
_SEH_HANDLE
{
@ -124,18 +135,7 @@ NtOpenKey(OUT PHANDLE KeyHandle,
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if (!NT_SUCCESS(Status)) return Status;
/* Just let the object manager handle this */
Status = ObOpenObjectByName(ObjectAttributes,
CmpKeyObjectType,
ExGetPreviousMode(),
NULL,
DesiredAccess,
&ParseContext,
&Handle);
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
/* Return status */
return Status;
}