Hi,
This patch implements NtOpenFile for files on DOS drives and simple
synchronous reads using NtReadFile. To make NtOpenFile work properly, we
need to handle NT pathnames in wineserver.
Mike
License: LPGL (as always)
ChangeLog:
* partially implement NtOpenFile and NtReadFile
Index: dlls/ntdll/file.c
===================================================================
RCS file: /home/wine/wine/dlls/ntdll/file.c,v
retrieving revision 1.13
diff -u -r1.13 file.c
--- dlls/ntdll/file.c 31 May 2002 23:25:49 -0000 1.13
+++ dlls/ntdll/file.c 9 Jun 2002 09:17:24 -0000
@@ -16,16 +16,28 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include "config.h"
+#include "wine/port.h"
+
#include <stdlib.h>
#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#ifdef HAVE_SYS_ERRNO_H
+#include <sys/errno.h>
+#endif
#include "wine/debug.h"
+#include "wine/server.h"
#include "ntdll_misc.h"
+#include "file.h" /* FIXME */
#include "ntddk.h"
#include "winioctl.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
+
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
@@ -46,11 +58,60 @@
ULONG ShareAccess,
ULONG OpenOptions)
{
- FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) stub\n",
- FileHandle, DesiredAccess, ObjectAttributes,
- IoStatusBlock, ShareAccess, OpenOptions);
+ ULONG len = 0;
+ PSTR filename;
+ CHAR szDosDevices[] = "\\DosDevices\\";
+ DOS_FULL_NAME full_name;
+ NTSTATUS r;
+
+ FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) partial stub\n",
+ FileHandle, DesiredAccess, ObjectAttributes,
+ IoStatusBlock, ShareAccess, OpenOptions);
+
dump_ObjectAttributes (ObjectAttributes);
- return 0;
+
+ if(ObjectAttributes->RootDirectory)
+ {
+ FIXME("Object root directory unknown %x\n",
+ ObjectAttributes->RootDirectory);
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ /* create an ascii string from the unicode filename */
+ RtlUnicodeToMultiByteSize( &len, ObjectAttributes->ObjectName->Buffer,
+ ObjectAttributes->ObjectName->Length );
+ filename = RtlAllocateHeap( GetProcessHeap(), 0, len + 1);
+ RtlUnicodeToMultiByteN(filename, len, NULL, ObjectAttributes->ObjectName->Buffer,
+ ObjectAttributes->ObjectName->Length );
+ filename[len]=0;
+
+ /* FIXME: DOSFS stuff should call here, not vice-versa */
+ if(strncmp(filename, szDosDevices, strlen(szDosDevices)))
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* FIXME: this calls SetLastError() -> bad */
+ if(!DOSFS_GetFullName(&filename[strlen(szDosDevices)], TRUE,
+ &full_name))
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* FIXME: modify server protocol so
+ create file takes an OBJECT_ATTRIBUTES structure */
+ SERVER_START_REQ( create_file )
+ {
+ req->access = DesiredAccess;
+ req->inherit = 0;
+ req->sharing = ShareAccess;
+ req->create = OPEN_EXISTING;
+ req->attrs = 0;
+ req->drive_type = GetDriveTypeA( full_name.short_name );
+ wine_server_add_data( req, full_name.long_name, strlen(full_name.long_name) );
+ SetLastError(0);
+ r = wine_server_call( req );
+ *FileHandle = reply->handle;
+ }
+ SERVER_END_REQ;
+
+ return r;
}
/**************************************************************************
@@ -94,6 +155,34 @@
return 0;
}
+/* set the last error depending on errno */
+NTSTATUS NTFILE_errno_to_status(int val)
+{
+ switch (val)
+ {
+ case EAGAIN: return ( STATUS_SHARING_VIOLATION );
+ case ESPIPE:
+ case EBADF: return ( STATUS_INVALID_HANDLE );
+ case ENOSPC: return ( STATUS_DISK_FULL );
+ case EACCES:
+ case ESRCH:
+ case EPERM: return ( STATUS_ACCESS_DENIED );
+ case EROFS: return ( STATUS_MEDIA_WRITE_PROTECTED );
+ case EBUSY: return ( STATUS_FILE_LOCK_CONFLICT );
+ case ENOENT: return ( STATUS_NO_SUCH_FILE );
+ case EISDIR: return ( STATUS_FILE_IS_A_DIRECTORY );
+ case ENFILE:
+ case EMFILE: return ( STATUS_NO_MORE_FILES );
+ case EEXIST: return ( STATUS_OBJECT_NAME_COLLISION );
+ case EINVAL: return ( STATUS_INVALID_PARAMETER );
+ case ENOTEMPTY: return ( STATUS_DIRECTORY_NOT_EMPTY );
+ case EIO: return ( STATUS_ACCESS_VIOLATION );
+ }
+ perror("file_set_error");
+ return ( STATUS_INVALID_PARAMETER );
+}
+
+
/******************************************************************************
* NtReadFile [NTDLL.@]
* ZwReadFile [NTDLL.@]
@@ -108,8 +197,76 @@
* ULONG Length
* PLARGE_INTEGER ByteOffset OPTIONAL
* PULONG Key OPTIONAL
+ *
+ * IoStatusBlock->Information contains the number of bytes read on return.
*/
NTSTATUS WINAPI NtReadFile (
+ HANDLE FileHandle,
+ HANDLE EventHandle,
+ PIO_APC_ROUTINE ApcRoutine,
+ PVOID ApcContext,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset,
+ PULONG Key)
+{
+ int fd, result, flags, ret;
+ enum fd_type type;
+
+ FIXME("(0x%08x,0x%08x,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
+ FileHandle,EventHandle,ApcRoutine,ApcContext,IoStatusBlock,Buffer,Length,ByteOffset,Key);
+
+ if (IsBadWritePtr( Buffer, Length ) ||
+ IsBadWritePtr( IoStatusBlock, sizeof *IoStatusBlock) ||
+ IsBadWritePtr( ByteOffset, sizeof *ByteOffset) )
+ return STATUS_ACCESS_VIOLATION;
+
+ IoStatusBlock->Information = 0;
+
+ ret = wine_server_handle_to_fd( FileHandle, GENERIC_READ, &fd, &type, &flags );
+ if(ret)
+ return ret;
+
+ /* FIXME: this code only does synchronous reads so far */
+
+ /* FIXME: depending on how libc implements this, between two processes
+ there could be a race condition between the seek and read here */
+ do
+ {
+ result = pread( fd, Buffer, Length, ByteOffset->QuadPart);
+ }
+ while ( (result == -1) && ((errno == EAGAIN) || (errno == EINTR)) );
+
+ close( fd );
+
+ if (result == -1)
+ {
+ return IoStatusBlock->u.Status = NTFILE_errno_to_status(errno);
+ }
+
+ IoStatusBlock->Information = result;
+ IoStatusBlock->u.Status = 0;
+
+ return STATUS_SUCCESS;
+}
+
+/******************************************************************************
+ * NtWriteFile [NTDLL.@]
+ * ZwWriteFile [NTDLL.@]
+ *
+ * Parameters
+ * HANDLE32 FileHandle
+ * HANDLE32 Event OPTIONAL
+ * PIO_APC_ROUTINE ApcRoutine OPTIONAL
+ * PVOID ApcContext OPTIONAL
+ * PIO_STATUS_BLOCK IoStatusBlock
+ * PVOID Buffer
+ * ULONG Length
+ * PLARGE_INTEGER ByteOffset OPTIONAL
+ * PULONG Key OPTIONAL
+ */
+NTSTATUS WINAPI NtWriteFile (
HANDLE FileHandle,
HANDLE EventHandle,
PIO_APC_ROUTINE ApcRoutine,
