--- /dev/null
+/* $Id$
+ * captive vfs 'file' interface to reactos
+ * Copyright (C) 2002-2003 Jan Kratochvil <project-captive@jankratochvil.net>
+ *
+ * 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; exactly version 2 of June 1991 is required
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "config.h"
+
+#include "file-slave.h" /* self */
+#include "captive/client-file.h" /* for CaptiveFileObject */
+#include "file.h" /* for CaptiveFileObject priv */
+#include "directory.h"
+#include "lib.h"
+#include <glib/gmessages.h>
+#include "captive/unicode.h"
+#include "reactos/ntos/types.h" /* for HANDLE */
+#include "reactos/ddk/iotypes.h" /* for IO_STATUS_BLOCK */
+#include "reactos/ddk/iofuncs.h" /* for IoCreateFile() */
+#include "result.h"
+#include "captive/client-directory.h"
+#include "reactos/ddk/obfuncs.h" /* for ObReferenceObjectByHandle() */
+#include "captive/macros.h"
+#include "captive/leave.h"
+#include "captive/usecount.h"
+#include "vfs.h"
+#include "vfs-slave.h"
+
+
+struct _CaptiveFileSlaveObject {
+ CaptiveFileObject parent_instance;
+
+ /*< private >*/
+ HANDLE file_Handle;
+ GnomeVFSFileOffset offset;
+ };
+struct _CaptiveFileSlaveObjectClass {
+ CaptiveFileObjectClass parent_class;
+ };
+
+
+static gpointer captive_file_slave_object_parent_class=NULL;
+
+
+static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object);
+static GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
+ gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return);
+static GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
+ gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return);
+static GnomeVFSResult captive_file_slave_seek
+ (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset);
+static GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return);
+static GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object);
+static GnomeVFSResult captive_file_slave_file_info_get
+ (CaptiveFileObject *captive_file_object,GnomeVFSFileInfo *file_info);
+static GnomeVFSResult captive_file_slave_file_info_set
+ (CaptiveFileObject *captive_file_object,const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask);
+static GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size);
+static GnomeVFSResult captive_file_slave_move
+ (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace);
+
+
+static void captive_file_slave_object_finalize(CaptiveFileSlaveObject *captive_file_slave_object)
+{
+ g_return_if_fail(captive_file_slave_object!=NULL);
+
+ captive_file_slave_close(CAPTIVE_FILE_OBJECT(captive_file_slave_object)); /* errors ignored */
+
+ G_OBJECT_CLASS(captive_file_slave_object_parent_class)->finalize((GObject *)captive_file_slave_object);
+}
+
+
+static void captive_file_slave_object_class_init(CaptiveFileSlaveObjectClass *class)
+{
+GObjectClass *gobject_class=G_OBJECT_CLASS(class);
+CaptiveFileObjectClass *captive_file_object_class=CAPTIVE_FILE_OBJECT_CLASS(class);
+
+ captive_file_slave_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
+ gobject_class->finalize=(void (*)(GObject *object))captive_file_slave_object_finalize;
+
+ captive_file_object_class->read=captive_file_slave_read;
+ captive_file_object_class->write=captive_file_slave_write;
+ captive_file_object_class->seek=captive_file_slave_seek;
+ captive_file_object_class->tell=captive_file_slave_tell;
+ captive_file_object_class->remove=captive_file_slave_remove;
+ captive_file_object_class->file_info_get=captive_file_slave_file_info_get;
+ captive_file_object_class->file_info_set=captive_file_slave_file_info_set;
+ captive_file_object_class->truncate=captive_file_slave_truncate;
+ captive_file_object_class->move=captive_file_slave_move;
+}
+
+
+static void captive_file_slave_object_init(CaptiveFileSlaveObject *captive_file_slave_object)
+{
+ captive_file_slave_object->file_Handle=NULL;
+}
+
+
+GType captive_file_slave_object_get_type(void)
+{
+static GType captive_file_slave_object_type=0;
+
+ if (!captive_file_slave_object_type) {
+static const GTypeInfo captive_file_slave_object_info={
+ sizeof(CaptiveFileSlaveObjectClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc)captive_file_slave_object_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(CaptiveFileSlaveObject),
+ 5, /* n_preallocs */
+ (GInstanceInitFunc)captive_file_slave_object_init,
+ };
+
+ captive_file_slave_object_type=g_type_register_static(CAPTIVE_FILE_TYPE_OBJECT,
+ "CaptiveFileSlaveObject",&captive_file_slave_object_info,0);
+ }
+
+ return captive_file_slave_object_type;
+}
+
+
+static GnomeVFSResult captive_file_slave_new_internal(CaptiveFileSlaveObject *captive_file_slave_object,
+ const gchar *pathname,GnomeVFSOpenMode mode,gboolean create,gboolean create_exclusive,guint create_perm)
+{
+IO_STATUS_BLOCK file_IoStatusBlock;
+GnomeVFSResult errvfsresult;
+OBJECT_ATTRIBUTES file_ObjectAttributes;
+HANDLE file_Handle;
+NTSTATUS err;
+
+ g_return_val_if_fail(captive_file_slave_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ errvfsresult=captive_ObjectAttributes_init(pathname,&file_ObjectAttributes);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ /* open */
+ err=IoCreateFile(
+ &file_Handle, /* FileHandle */
+ 0
+ |(!(mode&GNOME_VFS_OPEN_READ ) ? 0 : FILE_READ_DATA)
+ |(!(mode&GNOME_VFS_OPEN_WRITE) ? 0 : FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)
+ |( mode!=0 ? 0 : FILE_READ_ATTRIBUTES)
+ , /* DesiredAccess */
+ &file_ObjectAttributes, /* ObjectAttributes */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ NULL, /* AllocationSize; ignored for open */
+ (!create || create_perm&0200 ? FILE_ATTRIBUTE_NORMAL: FILE_ATTRIBUTE_READONLY), /* FileAttributes; ignored for open */
+ (!create || !create_exclusive /* ShareAccess; 0 means exclusive */
+ ? (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
+ : 0),
+ (!create ? FILE_OPEN : FILE_CREATE), /* CreateDisposition */
+ /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
+ * any waits to not to let it return STATUS_CANT_WAIT us.
+ * Alertability should have only effect on asynchronous events
+ * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
+ */
+ FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
+ NULL, /* EaBuffer */
+ 0, /* EaLength */
+ CreateFileTypeNone, /* CreateFileType */
+ NULL, /* ExtraCreateParameters */
+ 0); /* Options */
+ g_free(file_ObjectAttributes.ObjectName); /* left from captive_file_slave_uri_parent_init() */
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(file_IoStatusBlock.Information
+ ==(!create ? FILE_OPENED : FILE_CREATED),
+ GNOME_VFS_ERROR_GENERIC);
+
+ captive_file_slave_object->file_Handle=file_Handle;
+
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_new_open(CaptiveFileObject **captive_file_object_return,
+ CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
+{
+GnomeVFSResult r;
+CaptiveFileSlaveObject *captive_file_slave_object;
+
+ g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=g_object_new(
+ CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
+ NULL); /* first_property_name; FIXME: support properties */
+
+ captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
+
+ *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
+
+ r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
+ FALSE, /* create */
+ FALSE, /* create_exclusive; ignored */
+ 0); /* create_perm; ignored */
+
+ captive_leave();
+ if (r==GNOME_VFS_OK)
+ captive_usecount(+1);
+ else {
+ g_object_unref(captive_file_slave_object);
+ *captive_file_object_return=NULL;
+ }
+ return r;
+}
+
+
+GnomeVFSResult captive_file_slave_new_create(CaptiveFileObject **captive_file_object_return,
+ CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
+{
+GnomeVFSResult r;
+CaptiveFileSlaveObject *captive_file_slave_object;
+
+ g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(CAPTIVE_VFS_SLAVE_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=g_object_new(
+ CAPTIVE_FILE_SLAVE_TYPE_OBJECT, /* object_type */
+ NULL); /* first_property_name; FIXME: support properties */
+
+ captive_file_init(CAPTIVE_FILE_OBJECT(captive_file_slave_object),captive_vfs_object);
+
+ *captive_file_object_return=CAPTIVE_FILE_OBJECT(captive_file_slave_object);
+
+ r=captive_file_slave_new_internal(captive_file_slave_object,pathname,mode,
+ TRUE, /* create */
+ exclusive, /* create_exclusive */
+ perm); /* create_perm */
+
+ captive_leave();
+ if (r==GNOME_VFS_OK)
+ captive_usecount(+1);
+ else {
+ g_object_unref(captive_file_slave_object);
+ *captive_file_object_return=NULL;
+ }
+ return r;
+}
+
+
+static GnomeVFSResult captive_file_slave_close(CaptiveFileObject *captive_file_object)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+HANDLE file_Handle;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ if (captive_file_slave_object->file_Handle!=NULL) { /* not yet already closed */
+ captive_usecount(-1); /* close() errors notwithstanding */
+
+ file_Handle=captive_file_slave_object->file_Handle;
+ captive_file_slave_object->file_Handle=NULL;
+ err=NtClose(file_Handle);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ }
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_read(CaptiveFileObject *captive_file_object,
+ gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+IO_STATUS_BLOCK file_IoStatusBlock;
+LARGE_INTEGER file_offset;
+GnomeVFSResult errvfsresult;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ file_offset.QuadPart=captive_file_slave_object->offset;
+ err=NtReadFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ NULL, /* EventHandle; completion signalling; optional */
+ NULL, /* ApcRoutine; optional */
+ NULL, /* ApcContext; optional */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ buffer, /* Buffer */
+ num_bytes, /* Length */
+ &file_offset, /* ByteOffset */
+ NULL); /* Key; NULL means no file locking key */
+ if (err==STATUS_END_OF_FILE) {
+ g_return_val_if_fail(file_IoStatusBlock.Status==STATUS_END_OF_FILE,GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(file_IoStatusBlock.Information==0,GNOME_VFS_ERROR_GENERIC);
+ *bytes_read_return=0;
+ return GNOME_VFS_ERROR_EOF;
+ }
+ g_return_val_if_fail(file_IoStatusBlock.Information>0,GNOME_VFS_ERROR_GENERIC); /* if not STATUS_END_OF_FILE... */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(file_IoStatusBlock.Information<=num_bytes,GNOME_VFS_ERROR_GENERIC);
+
+ captive_file_slave_object->offset+=file_IoStatusBlock.Information;
+ *bytes_read_return=file_IoStatusBlock.Information;
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_write(CaptiveFileObject *captive_file_object,
+ gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+IO_STATUS_BLOCK file_IoStatusBlock;
+LARGE_INTEGER file_offset;
+GnomeVFSFileInfo file_info;
+GnomeVFSFileSize endoffile_wanted;
+GnomeVFSResult errvfsresult;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ if ((GnomeVFSFileOffset)(captive_file_slave_object->offset+num_bytes) < captive_file_slave_object->offset)
+ return GNOME_VFS_ERROR_TOO_BIG;
+ endoffile_wanted=captive_file_slave_object->offset+num_bytes;
+ if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_file_info_get(
+ CAPTIVE_FILE_OBJECT(captive_file_slave_object),&file_info)))
+ return errvfsresult;
+ if (file_info.size<endoffile_wanted) {
+ if (GNOME_VFS_OK!=(errvfsresult=captive_file_slave_truncate(
+ CAPTIVE_FILE_OBJECT(captive_file_slave_object),endoffile_wanted)))
+ return errvfsresult;
+ }
+
+ file_offset.QuadPart=captive_file_slave_object->offset;
+ err=NtWriteFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ NULL, /* Event; completion signalling; optional */
+ NULL, /* ApcRoutine; optional */
+ NULL, /* ApcContext; optional */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ (gpointer /* de-const */ )buffer, /* Buffer */
+ num_bytes, /* Length */
+ &file_offset, /* ByteOffset */
+ NULL); /* Key; NULL means no file locking key */
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(file_IoStatusBlock.Information==num_bytes,GNOME_VFS_ERROR_GENERIC);
+
+ captive_file_slave_object->offset+=file_IoStatusBlock.Information;
+ *bytes_written_return=file_IoStatusBlock.Information;
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_seek
+ (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ switch (whence) {
+ case GNOME_VFS_SEEK_START:
+ captive_file_slave_object->offset=offset;
+ break;
+ case GNOME_VFS_SEEK_CURRENT:
+ if (0
+ || (offset>0 && (captive_file_slave_object->offset+offset)<captive_file_slave_object->offset)
+ || (offset<0 && (captive_file_slave_object->offset+offset)>captive_file_slave_object->offset))
+ return GNOME_VFS_ERROR_BAD_PARAMETERS;
+ captive_file_slave_object->offset+=offset;
+ break;
+ case GNOME_VFS_SEEK_END:
+ g_assert_not_reached(); /* NOT IMPLEMENTED YET */
+ break;
+ default:
+ g_return_val_if_reached(GNOME_VFS_ERROR_BAD_PARAMETERS);
+ }
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(offset_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ *offset_return=captive_file_slave_object->offset;
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_remove(CaptiveFileObject *captive_file_object)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+FILE_DISPOSITION_INFORMATION FileDispositionInformation_struct;
+IO_STATUS_BLOCK file_IoStatusBlock;
+GnomeVFSResult errvfsresult;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ FileDispositionInformation_struct.DoDeleteFile=TRUE;
+
+ err=NtSetInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ &FileDispositionInformation_struct, /* FileInformation */
+ sizeof(FileDispositionInformation_struct), /* Length */
+ FileDispositionInformation); /* FileInformationClass */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+/* Use 'FileNameInformationStruct' identifier instead of the logical 'FileNameInformation'
+ * to prevent override of enum member 'FileNameInformation'
+ */
+static GnomeVFSResult FileNameInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
+ FILE_NAME_INFORMATION *FileNameInformationStruct)
+{
+UNICODE_STRING FileName_UnicodeString;
+
+ g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(FileNameInformationStruct!=NULL,GNOME_VFS_ERROR_GENERIC);
+
+ FileName_UnicodeString.Length=FileNameInformationStruct->FileNameLength;
+ FileName_UnicodeString.MaximumLength=FileNameInformationStruct->FileNameLength
+ +sizeof(*FileNameInformationStruct->FileName); /* 0-terminator */
+
+#if 0 /* 'IoStatusBlock->Information' is sometimes weird, do not check it */
+ g_assert((gpointer)(((char *)FileNameInformationStruct->FileName)+FileName_UnicodeString.Length)
+ <=(gpointer)(((char *)FileAllInformationStruct)+IoStatusBlock->Information));
+ /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
+#endif
+
+ FileNameInformationStruct->FileName[FileNameInformationStruct->FileNameLength
+ /sizeof(*FileNameInformationStruct->FileName)]=0; /* 0-terminate it */
+ FileName_UnicodeString.Buffer=FileNameInformationStruct->FileName;
+ file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
+ /* '->name' assumed for 'file_info->valid_fields' */
+
+ return GNOME_VFS_OK;
+}
+
+
+/* Use 'FileBasicInformationStruct' identifier instead of the logical 'FileBasicInformation'
+ * to prevent override of enum member 'FileBasicInformation'
+ */
+static GnomeVFSResult FileBasicInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
+ FILE_BASIC_INFORMATION *FileBasicInformationStruct)
+{
+BOOLEAN errBOOLEAN;
+ULONG tmp_ULONG;
+
+ /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
+ switch (FileBasicInformationStruct->FileAttributes & (0
+ | FILE_ATTRIBUTE_DIRECTORY
+ | FILE_ATTRIBUTE_DEVICE)) {
+ case 0: file_info->type=GNOME_VFS_FILE_TYPE_REGULAR; break;
+ case FILE_ATTRIBUTE_DIRECTORY: file_info->type=GNOME_VFS_FILE_TYPE_DIRECTORY; break;
+ case FILE_ATTRIBUTE_DEVICE: file_info->type=GNOME_VFS_FILE_TYPE_SOCKET;
+ /* or GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE or GNOME_VFS_FILE_TYPE_BLOCK_DEVICE ? */
+ break;
+ default: file_info->type=GNOME_VFS_FILE_TYPE_UNKNOWN; break;
+ }
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_TYPE;
+
+ /* we use 0600 for r/w files, 0400 for FILE_ATTRIBUTE_READONLY */
+ file_info->permissions=GNOME_VFS_PERM_USER_READ;
+ if (file_info->type==GNOME_VFS_FILE_TYPE_DIRECTORY)
+ file_info->permissions|=GNOME_VFS_PERM_USER_EXEC;
+ if (!(FileBasicInformationStruct->FileAttributes & FILE_ATTRIBUTE_READONLY))
+ file_info->permissions|=GNOME_VFS_PERM_USER_WRITE;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
+
+ if (FileBasicInformationStruct->LastAccessTime.QuadPart) { /* it may be 0 if not set */
+ errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->LastAccessTime,&tmp_ULONG);
+ g_assert(errBOOLEAN==TRUE);
+ file_info->atime=tmp_ULONG;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_ATIME;
+ }
+
+ /* it may be 0 if not set */
+ if (FileBasicInformationStruct->LastWriteTime.QuadPart || FileBasicInformationStruct->ChangeTime.QuadPart) {
+ errBOOLEAN=RtlTimeToSecondsSince1970(
+ /* take the more recent (==bigger) time: */
+ (FileBasicInformationStruct->LastWriteTime.QuadPart > FileBasicInformationStruct->ChangeTime.QuadPart
+ ? &FileBasicInformationStruct->LastWriteTime : &FileBasicInformationStruct->ChangeTime),
+ &tmp_ULONG);
+ g_assert(errBOOLEAN==TRUE);
+ file_info->mtime=tmp_ULONG;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
+ }
+
+ if (FileBasicInformationStruct->CreationTime.QuadPart) { /* it may be 0 if not set */
+ errBOOLEAN=RtlTimeToSecondsSince1970(&FileBasicInformationStruct->CreationTime,&tmp_ULONG);
+ g_assert(errBOOLEAN==TRUE);
+ file_info->ctime=tmp_ULONG;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_CTIME;
+ }
+
+ return GNOME_VFS_OK;
+}
+
+
+/* Use 'FileStandardInformationStruct' identifier instead of the logical 'FileStandardInformation'
+ * to prevent override of enum member 'FileStandardInformation'
+ */
+static GnomeVFSResult FileStandardInformationStruct_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
+ FILE_STANDARD_INFORMATION *FileStandardInformationStruct)
+{
+ file_info->size=FileStandardInformationStruct->EndOfFile.QuadPart;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
+
+ file_info->block_count=FileStandardInformationStruct->AllocationSize.QuadPart/512;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
+
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_file_info_get(CaptiveFileObject *captive_file_object,
+ GnomeVFSFileInfo *file_info)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+IO_STATUS_BLOCK file_IoStatusBlock;
+FILE_NAME_INFORMATION *FileNameInformationStruct;
+FILE_BASIC_INFORMATION *FileBasicInformationStruct;
+FILE_STANDARD_INFORMATION *FileStandardInformationStruct;
+GnomeVFSResult errvfsresult;
+char QueryFile_buf[sizeof(FILE_NAME_INFORMATION)
+ +0x1000 /* max 'FileName' length, 255 should be enough */ * sizeof(WCHAR /* *FILE_ALL_INFORMATION.NameInformation.FileName */ )];
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ /* ntfs.sys of NT-5.1sp1 has *(FILE_BASIC_INFORMATION *)FILE_ALL_INFORMATION.BasicInformation
+ * size 0x28 although reactos includes and all the information says 0x24.
+ * fastfat.sys of NT-5.1sp1 also has the 'official' sizeof 0x24.
+ * It would be a bit of heuristic to correctly detect its expected sizeof.
+ */
+
+ file_info->valid_fields=0;
+
+ file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
+
+ /* query NameInformation */
+ FileNameInformationStruct=(void *)QueryFile_buf;
+ err=NtQueryInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ (gpointer)QueryFile_buf, /* FileInformation */
+ sizeof(QueryFile_buf) /* Length */
+ -sizeof(*FileNameInformationStruct->FileName), /* reserve space for a possible 0-terminator */
+ FileNameInformation); /* FileInformationClass; =>FILE_NAME_INFORMATION */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ errvfsresult=FileNameInformationStruct_to_GnomeVFSFileInfo(file_info,FileNameInformationStruct);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ /* query BasicInformation */
+ FileBasicInformationStruct=(void *)QueryFile_buf;
+ err=NtQueryInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ (gpointer)QueryFile_buf, /* FileInformation */
+ sizeof(QueryFile_buf), /* Length */
+ FileBasicInformation); /* FileInformationClass; =>FILE_BASIC_INFORMATION */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ errvfsresult=FileBasicInformationStruct_to_GnomeVFSFileInfo(file_info,FileBasicInformationStruct);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ /* query StandardInformation */
+ FileStandardInformationStruct=(void *)QueryFile_buf;
+ err=NtQueryInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ (gpointer)QueryFile_buf, /* FileInformation */
+ sizeof(QueryFile_buf), /* Length */
+ FileStandardInformation); /* FileInformationClass; =>FILE_STANDARD_INFORMATION */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(file_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ errvfsresult=FileStandardInformationStruct_to_GnomeVFSFileInfo(file_info,FileStandardInformationStruct);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_file_info_set(CaptiveFileObject *captive_file_object,
+ const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ if (mask & GNOME_VFS_SET_FILE_INFO_NAME) {
+gchar *name_dirname,*name_basename;
+UNICODE_STRING *name_UnicodeString;
+FILE_RENAME_INFORMATION *FileRenameInformation_structp;
+gsize FileRenameInformation_struct_len;
+IO_STATUS_BLOCK file_IoStatusBlock;
+NTSTATUS err;
+GnomeVFSResult errvfsresult;
+
+ /* non-existing dirname assertion */
+ name_dirname=g_path_get_dirname(info->name);
+ if (*name_dirname) {
+ g_assert_not_reached();
+ errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
+ goto err;
+ }
+
+ /* fully-matching basename assertion */
+ name_basename=g_path_get_basename(info->name);
+ if (strcmp(name_basename,info->name)) {
+ g_assert_not_reached();
+ errvfsresult=GNOME_VFS_ERROR_BAD_PARAMETERS;
+ goto err_free_name_dirname;
+ }
+
+ name_UnicodeString=captive_utf8_to_UnicodeString_alloca(info->name);
+ FileRenameInformation_struct_len=sizeof(*FileRenameInformation_structp)
+ +name_UnicodeString->MaximumLength; /* ==Length+(0-terminator); is the terminator needed? */
+
+ FileRenameInformation_structp=g_alloca(FileRenameInformation_struct_len);
+ FileRenameInformation_structp->Replace=FALSE;
+ FileRenameInformation_structp->RootDir=NULL; /* we do 'simple rename' here */
+ FileRenameInformation_structp->FileNameLength=name_UnicodeString->Length;
+ memcpy(FileRenameInformation_structp->FileName,name_UnicodeString->Buffer,
+ name_UnicodeString->MaximumLength); /* ==Length+(0-terminator); is the terminator needed? */
+
+ err=NtSetInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ FileRenameInformation_structp, /* FileInformation */
+ FileRenameInformation_struct_len, /* Length */
+ FileRenameInformation); /* FileInformationClass */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ goto err_free_name_basename;
+
+err_free_name_basename:
+ g_free(name_basename);
+err_free_name_dirname:
+ g_free(name_dirname);
+err:
+
+ if (errvfsresult!=GNOME_VFS_OK)
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ }
+
+ if (mask & (GNOME_VFS_SET_FILE_INFO_PERMISSIONS | GNOME_VFS_SET_FILE_INFO_TIME)) {
+char FileBasicInformation_buf[sizeof(FILE_BASIC_INFORMATION)+4];
+FILE_BASIC_INFORMATION *FileBasicInformationp=(FILE_BASIC_INFORMATION *)FileBasicInformation_buf;
+IO_STATUS_BLOCK file_IoStatusBlock;
+NTSTATUS err;
+
+ /* FIXME: Everywhere is is the declaration with 4xLARGE_INTEGER+1xULONG==36 bytes
+ * but the precompiled ext2fsd.sys wants 40 bytes - why?
+ * The same case applies to ntfs.sys of NT-5.1sp1.
+ */
+ g_assert(sizeof(FILE_BASIC_INFORMATION)==36);
+ g_assert(sizeof(FileBasicInformation_buf)==40);
+ err=NtQueryInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ FileBasicInformation_buf, /* FileInformation */
+ sizeof(FileBasicInformation_buf), /* Length */
+ FileBasicInformation); /* FileInformationClass */
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
+ FileBasicInformationp->FileAttributes&=~FILE_ATTRIBUTE_READONLY;
+ g_assert(info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS);
+ if (!(info->permissions&0200))
+ FileBasicInformationp->FileAttributes|=FILE_ATTRIBUTE_READONLY;
+ }
+
+ if (mask & GNOME_VFS_SET_FILE_INFO_TIME) {
+ g_assert(info->valid_fields & (0
+ | GNOME_VFS_FILE_INFO_FIELDS_ATIME
+ | GNOME_VFS_FILE_INFO_FIELDS_MTIME
+ | GNOME_VFS_FILE_INFO_FIELDS_CTIME));
+ if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_ATIME) {
+ RtlSecondsSince1970ToTime(
+ info->atime, /* SecondsSince1970 */
+ &FileBasicInformationp->LastAccessTime); /* Time */
+ }
+ if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_MTIME) {
+ RtlSecondsSince1970ToTime(
+ info->mtime, /* SecondsSince1970 */
+ &FileBasicInformationp->LastWriteTime); /* Time */
+ FileBasicInformationp->ChangeTime=FileBasicInformationp->LastWriteTime;
+ }
+ if (info->valid_fields&GNOME_VFS_FILE_INFO_FIELDS_CTIME) {
+ RtlSecondsSince1970ToTime(
+ info->ctime, /* SecondsSince1970 */
+ &FileBasicInformationp->CreationTime); /* Time */
+ }
+ }
+
+ err=NtSetInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ FileBasicInformation_buf, /* FileInformation */
+ sizeof(FileBasicInformation_buf), /* Length */
+ FileBasicInformation); /* FileInformationClass */
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ }
+
+ if (mask & GNOME_VFS_SET_FILE_INFO_OWNER) {
+ /* FIXME: g_assert(info->valid_fields & ???); */
+ /* owner ignored for W32 */
+ }
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
+{
+CaptiveFileSlaveObject *captive_file_slave_object;
+NTSTATUS err;
+FILE_END_OF_FILE_INFORMATION FileEndOfFileInformation_struct;
+IO_STATUS_BLOCK file_IoStatusBlock;
+GnomeVFSResult errvfsresult;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object);
+
+ g_return_val_if_fail(captive_file_slave_object->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ FileEndOfFileInformation_struct.EndOfFile.QuadPart=file_size;
+
+ err=NtSetInformationFile(
+ captive_file_slave_object->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ &FileEndOfFileInformation_struct, /* FileInformation */
+ sizeof(FileEndOfFileInformation_struct), /* Length */
+ FileEndOfFileInformation); /* FileInformationClass */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ return errvfsresult;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ captive_leave();
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_file_slave_move
+ (CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
+{
+CaptiveFileSlaveObject *captive_file_slave_object_old;
+NTSTATUS err;
+FILE_RENAME_INFORMATION *FileRenameInformation_structp;
+IO_STATUS_BLOCK file_IoStatusBlock;
+GnomeVFSResult errvfsresult;
+OBJECT_ATTRIBUTES pathname_new_ObjectAttributes;
+
+ g_return_val_if_fail(CAPTIVE_FILE_SLAVE_IS_OBJECT(captive_file_object_old),GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ captive_file_slave_object_old=CAPTIVE_FILE_SLAVE_OBJECT(captive_file_object_old);
+
+ g_return_val_if_fail(captive_file_slave_object_old->file_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ errvfsresult=captive_ObjectAttributes_init(pathname_new,&pathname_new_ObjectAttributes);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ FileRenameInformation_structp=
+ g_alloca(sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength);
+ FileRenameInformation_structp->Replace=force_replace;
+ FileRenameInformation_structp->RootDir=0; /* AFAIK never set by orig W32 */
+ FileRenameInformation_structp->FileNameLength=pathname_new_ObjectAttributes.ObjectName->Length;
+ memcpy(FileRenameInformation_structp->FileName,pathname_new_ObjectAttributes.ObjectName->Buffer,
+ pathname_new_ObjectAttributes.ObjectName->MaximumLength);
+
+ err=NtSetInformationFile(
+ captive_file_slave_object_old->file_Handle, /* FileHandle */
+ &file_IoStatusBlock, /* IoStatusBlock */
+ FileRenameInformation_structp, /* FileInformation */
+ sizeof(*FileRenameInformation_structp)+pathname_new_ObjectAttributes.ObjectName->MaximumLength, /* Length */
+ FileRenameInformation); /* FileInformationClass */
+ if (GNOME_VFS_OK!=(errvfsresult=captive_NTSTATUS_to_GnomeVFSResult(err)))
+ goto err_free_ObjectAttributes;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ errvfsresult=GNOME_VFS_OK;
+
+err_free_ObjectAttributes:
+ g_free(pathname_new_ObjectAttributes.ObjectName); /* left from captive_file_slave_uri_parent_init() */
+
+ captive_leave();
+ return errvfsresult;
+}
git://git.jankratochvil.net / captive.git / blobdiff