Partially implement NtOpenFile and NtReadFile.
This commit is contained in:
Mike McCormack
Alexandre Julliard
parent
9428f06993
commit
55d1ea7c75
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@ -16,16 +16,28 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#ifdef HAVE_SYS_ERRNO_H
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#include <sys/errno.h>
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#endif
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "ntdll_misc.h"
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#include "file.h" /* FIXME */
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#include "ntddk.h"
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#include "winioctl.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
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/**************************************************************************
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* NtOpenFile [NTDLL.@]
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* ZwOpenFile [NTDLL.@]
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@ -46,11 +58,60 @@ NTSTATUS WINAPI NtOpenFile(
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ULONG ShareAccess,
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ULONG OpenOptions)
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{
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FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) stub\n",
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FileHandle, DesiredAccess, ObjectAttributes,
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IoStatusBlock, ShareAccess, OpenOptions);
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ULONG len = 0;
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PSTR filename;
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CHAR szDosDevices[] = "\\DosDevices\\";
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DOS_FULL_NAME full_name;
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NTSTATUS r;
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FIXME("(%p,0x%08lx,%p,%p,0x%08lx,0x%08lx) partial stub\n",
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FileHandle, DesiredAccess, ObjectAttributes,
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IoStatusBlock, ShareAccess, OpenOptions);
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dump_ObjectAttributes (ObjectAttributes);
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return 0;
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if(ObjectAttributes->RootDirectory)
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{
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FIXME("Object root directory unknown %x\n",
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ObjectAttributes->RootDirectory);
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return STATUS_OBJECT_NAME_NOT_FOUND;
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}
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/* create an ascii string from the unicode filename */
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RtlUnicodeToMultiByteSize( &len, ObjectAttributes->ObjectName->Buffer,
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ObjectAttributes->ObjectName->Length );
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filename = RtlAllocateHeap( GetProcessHeap(), 0, len + 1);
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RtlUnicodeToMultiByteN(filename, len, NULL, ObjectAttributes->ObjectName->Buffer,
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ObjectAttributes->ObjectName->Length );
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filename[len]=0;
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/* FIXME: DOSFS stuff should call here, not vice-versa */
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if(strncmp(filename, szDosDevices, strlen(szDosDevices)))
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return STATUS_OBJECT_NAME_NOT_FOUND;
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/* FIXME: this calls SetLastError() -> bad */
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if(!DOSFS_GetFullName(&filename[strlen(szDosDevices)], TRUE,
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&full_name))
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return STATUS_OBJECT_NAME_NOT_FOUND;
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/* FIXME: modify server protocol so
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create file takes an OBJECT_ATTRIBUTES structure */
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SERVER_START_REQ( create_file )
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{
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req->access = DesiredAccess;
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req->inherit = 0;
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req->sharing = ShareAccess;
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req->create = OPEN_EXISTING;
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req->attrs = 0;
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req->drive_type = GetDriveTypeA( full_name.short_name );
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wine_server_add_data( req, full_name.long_name, strlen(full_name.long_name) );
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SetLastError(0);
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r = wine_server_call( req );
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*FileHandle = reply->handle;
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}
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SERVER_END_REQ;
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return r;
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}
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/**************************************************************************
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@ -94,6 +155,34 @@ NTSTATUS WINAPI NtCreateFile(
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return 0;
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}
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/* set the last error depending on errno */
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NTSTATUS NTFILE_errno_to_status(int val)
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{
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switch (val)
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{
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case EAGAIN: return ( STATUS_SHARING_VIOLATION );
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case ESPIPE:
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case EBADF: return ( STATUS_INVALID_HANDLE );
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case ENOSPC: return ( STATUS_DISK_FULL );
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case EACCES:
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case ESRCH:
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case EPERM: return ( STATUS_ACCESS_DENIED );
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case EROFS: return ( STATUS_MEDIA_WRITE_PROTECTED );
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case EBUSY: return ( STATUS_FILE_LOCK_CONFLICT );
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case ENOENT: return ( STATUS_NO_SUCH_FILE );
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case EISDIR: return ( STATUS_FILE_IS_A_DIRECTORY );
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case ENFILE:
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case EMFILE: return ( STATUS_NO_MORE_FILES );
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case EEXIST: return ( STATUS_OBJECT_NAME_COLLISION );
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case EINVAL: return ( STATUS_INVALID_PARAMETER );
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case ENOTEMPTY: return ( STATUS_DIRECTORY_NOT_EMPTY );
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case EIO: return ( STATUS_ACCESS_VIOLATION );
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}
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perror("file_set_error");
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return ( STATUS_INVALID_PARAMETER );
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}
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/******************************************************************************
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* NtReadFile [NTDLL.@]
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* ZwReadFile [NTDLL.@]
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@ -108,6 +197,8 @@ NTSTATUS WINAPI NtCreateFile(
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* ULONG Length
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* PLARGE_INTEGER ByteOffset OPTIONAL
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* PULONG Key OPTIONAL
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*
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* IoStatusBlock->Information contains the number of bytes read on return.
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*/
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NTSTATUS WINAPI NtReadFile (
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HANDLE FileHandle,
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@ -119,6 +210,72 @@ NTSTATUS WINAPI NtReadFile (
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ULONG Length,
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PLARGE_INTEGER ByteOffset,
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PULONG Key)
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{
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int fd, result, flags, ret;
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enum fd_type type;
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FIXME("(0x%08x,0x%08x,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
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FileHandle,EventHandle,ApcRoutine,ApcContext,IoStatusBlock,Buffer,Length,ByteOffset,Key);
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if (IsBadWritePtr( Buffer, Length ) ||
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IsBadWritePtr( IoStatusBlock, sizeof *IoStatusBlock) ||
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IsBadWritePtr( ByteOffset, sizeof *ByteOffset) )
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return STATUS_ACCESS_VIOLATION;
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IoStatusBlock->Information = 0;
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ret = wine_server_handle_to_fd( FileHandle, GENERIC_READ, &fd, &type, &flags );
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if(ret)
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return ret;
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/* FIXME: this code only does synchronous reads so far */
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/* FIXME: depending on how libc implements this, between two processes
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there could be a race condition between the seek and read here */
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do
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{
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result = pread( fd, Buffer, Length, ByteOffset->QuadPart);
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}
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while ( (result == -1) && ((errno == EAGAIN) || (errno == EINTR)) );
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close( fd );
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if (result == -1)
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{
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return IoStatusBlock->u.Status = NTFILE_errno_to_status(errno);
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}
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IoStatusBlock->Information = result;
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IoStatusBlock->u.Status = 0;
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return STATUS_SUCCESS;
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}
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/******************************************************************************
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* NtWriteFile [NTDLL.@]
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* ZwWriteFile [NTDLL.@]
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*
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* Parameters
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* HANDLE32 FileHandle
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* HANDLE32 Event OPTIONAL
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* PIO_APC_ROUTINE ApcRoutine OPTIONAL
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* PVOID ApcContext OPTIONAL
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* PIO_STATUS_BLOCK IoStatusBlock
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* PVOID Buffer
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* ULONG Length
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* PLARGE_INTEGER ByteOffset OPTIONAL
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* PULONG Key OPTIONAL
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*/
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NTSTATUS WINAPI NtWriteFile (
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HANDLE FileHandle,
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HANDLE EventHandle,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID Buffer,
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ULONG Length,
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PLARGE_INTEGER ByteOffset,
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PULONG Key)
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{
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FIXME("(0x%08x,0x%08x,%p,%p,%p,%p,0x%08lx,%p,%p),stub!\n",
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FileHandle,EventHandle,ApcRoutine,ApcContext,IoStatusBlock,Buffer,Length,ByteOffset,Key);
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