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Use FILE_APPEND_DATA access right to write log entries.

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svn path=/trunk/; revision=11103
This commit is contained in:
Eric Kohl 2004-09-28 12:50:23 +00:00
parent f15ffecda4
commit f665fe8a22
1 changed files with 4 additions and 23 deletions
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27
reactos/ntoskrnl/io/bootlog.c
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@ -1,4 +1,4 @@
/* $Id: bootlog.c,v 1.4 2004/09/26 11:29:50 ekohl Exp $
/* $Id: bootlog.c,v 1.5 2004/09/28 12:50:23 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -142,14 +142,11 @@ IopBootLog(PUNICODE_STRING DriverName,
static NTSTATUS
IopWriteLogFile(PWSTR LogText)
{
FILE_STANDARD_INFORMATION FileInformation;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING FileName;
IO_STATUS_BLOCK IoStatusBlock;
HANDLE FileHandle;
LARGE_INTEGER ByteOffset;
PWSTR CrLf = L"\r\n";
NTSTATUS Status;
DPRINT("IopWriteLogFile() called\n");
@ -163,7 +160,7 @@ IopWriteLogFile(PWSTR LogText)
NULL);
Status = NtCreateFile(&FileHandle,
FILE_WRITE_DATA, /* FILE_APPEND_DATA */
FILE_APPEND_DATA,
&ObjectAttributes,
&IoStatusBlock,
NULL,
@ -179,20 +176,6 @@ IopWriteLogFile(PWSTR LogText)
return Status;
}
Status = NtQueryInformationFile(FileHandle,
&IoStatusBlock,
&FileInformation,
sizeof(FILE_STANDARD_INFORMATION),
FileStandardInformation);
if (!NT_SUCCESS(Status))
{
DPRINT1("NtQueryInformationFile() failed (Status %lx)\n", Status);
return Status;
}
ByteOffset.QuadPart = FileInformation.EndOfFile.QuadPart;
if (LogText != NULL)
{
Status = NtWriteFile(FileHandle,
@ -202,7 +185,7 @@ IopWriteLogFile(PWSTR LogText)
&IoStatusBlock,
(PVOID)LogText,
wcslen(LogText) * sizeof(WCHAR),
&ByteOffset,
NULL,
NULL);
if (!NT_SUCCESS(Status))
{
@ -210,8 +193,6 @@ IopWriteLogFile(PWSTR LogText)
NtClose(FileHandle);
return Status;
}
ByteOffset.QuadPart += (wcslen(LogText) * sizeof(WCHAR));
}
/* L"\r\n" */
@ -222,7 +203,7 @@ IopWriteLogFile(PWSTR LogText)
&IoStatusBlock,
(PVOID)CrLf,
2 * sizeof(WCHAR),
&ByteOffset,
NULL,
NULL);
NtClose(FileHandle);