--- /dev/null
+/*
+ * ReactOS kernel
+ * Copyright (C) 2002 ReactOS Team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id$
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS text-mode setup
+ * FILE: subsys/system/usetup/filesup.c
+ * PURPOSE: File support functions
+ * PROGRAMMER: Eric Kohl
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <ddk/ntddk.h>
+#include <ntdll/rtl.h>
+
+#include "usetup.h"
+#include "filesup.h"
+
+
+/* FUNCTIONS ****************************************************************/
+
+
+NTSTATUS
+CreateDirectory(PWCHAR DirectoryName)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING PathName;
+ HANDLE DirectoryHandle;
+ NTSTATUS Status;
+
+ RtlCreateUnicodeString(&PathName,
+ DirectoryName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &PathName,
+ OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
+ NULL,
+ NULL);
+
+ Status = NtCreateFile(&DirectoryHandle,
+ DIRECTORY_ALL_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_DIRECTORY,
+ 0,
+ FILE_CREATE,
+ FILE_DIRECTORY_FILE,
+ NULL,
+ 0);
+ if (NT_SUCCESS(Status))
+ {
+ NtClose(DirectoryHandle);
+ }
+
+ RtlFreeUnicodeString(&PathName);
+
+ return(Status);
+}
+
+
+NTSTATUS
+SetupCopyFile(PWCHAR SourceFileName,
+ PWCHAR DestinationFileName)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE FileHandleSource;
+ HANDLE FileHandleDest;
+ IO_STATUS_BLOCK IoStatusBlock;
+ FILE_STANDARD_INFORMATION FileStandard;
+ FILE_BASIC_INFORMATION FileBasic;
+ FILE_POSITION_INFORMATION FilePosition;
+ PUCHAR Buffer;
+ ULONG RegionSize;
+ UNICODE_STRING FileName;
+ NTSTATUS Status;
+
+ Buffer = NULL;
+
+ RtlInitUnicodeString(&FileName,
+ SourceFileName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &FileName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ Status = NtOpenFile(&FileHandleSource,
+ FILE_READ_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ,
+ FILE_SYNCHRONOUS_IO_ALERT | FILE_SEQUENTIAL_ONLY);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ return(Status);
+ }
+
+ Status = NtQueryInformationFile(FileHandleSource,
+ &IoStatusBlock,
+ &FileStandard,
+ sizeof(FILE_STANDARD_INFORMATION),
+ FileStandardInformation);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ return(Status);
+ }
+
+ Status = NtQueryInformationFile(FileHandleSource,
+ &IoStatusBlock,&FileBasic,
+ sizeof(FILE_BASIC_INFORMATION),
+ FileBasicInformation);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ return(Status);
+ }
+
+ RtlInitUnicodeString(&FileName,
+ DestinationFileName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &FileName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ Status = NtCreateFile(&FileHandleDest,
+ FILE_WRITE_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_NORMAL,
+ 0,
+ FILE_OVERWRITE_IF,
+ FILE_SYNCHRONOUS_IO_ALERT | FILE_SEQUENTIAL_ONLY,
+ NULL,
+ 0);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ return(Status);
+ }
+
+ FilePosition.CurrentByteOffset.QuadPart = 0;
+
+ Status = NtSetInformationFile(FileHandleSource,
+ &IoStatusBlock,
+ &FilePosition,
+ sizeof(FILE_POSITION_INFORMATION),
+ FilePositionInformation);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+ return(Status);
+ }
+
+ Status = NtSetInformationFile(FileHandleDest,
+ &IoStatusBlock,
+ &FilePosition,
+ sizeof(FILE_POSITION_INFORMATION),
+ FilePositionInformation);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+ return(Status);
+ }
+
+ RegionSize = PAGE_ROUND_UP(FileStandard.EndOfFile.u.LowPart);
+ if (RegionSize > 0x100000)
+ {
+ RegionSize = 0x100000;
+ }
+ Status = NtAllocateVirtualMemory(NtCurrentProcess(),
+ (PVOID *)&Buffer,
+ 2,
+ &RegionSize,
+ MEM_RESERVE | MEM_COMMIT,
+ PAGE_READWRITE);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+ return(Status);
+ }
+
+ while (TRUE)
+ {
+ Status = NtReadFile(FileHandleSource,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ Buffer,
+ RegionSize,
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ NtFreeVirtualMemory(NtCurrentProcess(),
+ (PVOID *)&Buffer,
+ &RegionSize,
+ MEM_RELEASE);
+ if (Status == STATUS_END_OF_FILE)
+ {
+ DPRINT("STATUS_END_OF_FILE\n");
+ break;
+ }
+CHECKPOINT1;
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+ return(Status);
+ }
+
+ DPRINT("Bytes read %lu\n", IoStatusBlock.Information);
+
+ Status = NtWriteFile(FileHandleDest,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ Buffer,
+ IoStatusBlock.Information,
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ NtFreeVirtualMemory(NtCurrentProcess(),
+ (PVOID *)&Buffer,
+ &RegionSize,
+ MEM_RELEASE);
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+ return(Status);
+ }
+ }
+
+
+ /* Copy file date/time from source file */
+ Status = NtSetInformationFile(FileHandleDest,
+ &IoStatusBlock,
+ &FileBasic,
+ sizeof(FILE_BASIC_INFORMATION),
+ FileBasicInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtSetInformationFile() failed (Status %lx)\n", Status);
+ }
+
+ NtClose(FileHandleSource);
+ NtClose(FileHandleDest);
+
+ return(Status);
+}
+
+
+BOOLEAN
+DoesFileExist(PWSTR PathName,
+ PWSTR FileName)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING Name;
+ WCHAR FullName[MAX_PATH];
+ HANDLE FileHandle;
+ NTSTATUS Status;
+
+ wcscpy(FullName, PathName);
+ if (FileName != NULL)
+ {
+ if (FileName[0] != L'\\')
+ wcscat(FullName, L"\\");
+ wcscat(FullName, FileName);
+ }
+
+ RtlInitUnicodeString(&Name,
+ FullName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ Status = NtOpenFile(&FileHandle,
+ FILE_READ_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ 0,
+ FILE_SYNCHRONOUS_IO_ALERT);
+ if (!NT_SUCCESS(Status))
+ {
+CHECKPOINT1;
+ return(FALSE);
+ }
+
+ NtClose(FileHandle);
+
+ return(TRUE);
+}
+
+/* EOF */
git://git.jankratochvil.net / reactos.git / blobdiff