--- /dev/null
+/* $Id$
+ * captive vfs 'directory' 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 "captive/client-directory.h" /* self */
+#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() */
+
+
+static gpointer captive_directory_object_parent_class=NULL;
+
+
+static GnomeVFSResult captive_directory_close(CaptiveDirectoryObject *captive_directory_object);
+
+static void captive_directory_object_finalize(CaptiveDirectoryObject *captive_directory_object)
+{
+GnomeVFSResult errvfsresult;
+
+ g_return_if_fail(captive_directory_object!=NULL);
+
+ errvfsresult=captive_directory_close(captive_directory_object);
+ g_assert(errvfsresult==GNOME_VFS_OK);
+
+ G_OBJECT_CLASS(captive_directory_object_parent_class)->finalize((GObject *)captive_directory_object);
+}
+
+
+static void captive_directory_object_class_init(CaptiveDirectoryObjectClass *class)
+{
+GObjectClass *gobject_class=G_OBJECT_CLASS(class);
+
+ captive_directory_object_parent_class=g_type_class_ref(G_TYPE_OBJECT);
+ gobject_class->finalize=(void (*)(GObject *object))captive_directory_object_finalize;
+}
+
+
+static void captive_directory_object_init(CaptiveDirectoryObject *captive_directory_object)
+{
+ captive_directory_object->dir_Handle=NULL;
+ captive_directory_object->read_first=TRUE;
+}
+
+
+GType captive_directory_object_get_type(void)
+{
+static GType captive_directory_object_type=0;
+
+ if (!captive_directory_object_type) {
+static const GTypeInfo captive_directory_object_info={
+ sizeof(CaptiveDirectoryObjectClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc)captive_directory_object_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(CaptiveDirectoryObject),
+ 5, /* n_preallocs */
+ (GInstanceInitFunc)captive_directory_object_init,
+ };
+
+ captive_directory_object_type=g_type_register_static(G_TYPE_OBJECT,
+ "CaptiveDirectoryObject",&captive_directory_object_info,0);
+ }
+
+ return captive_directory_object_type;
+}
+
+
+GnomeVFSResult captive_directory_new_open(CaptiveDirectoryObject **captive_directory_object_return,const gchar *pathname)
+{
+GnomeVFSResult errvfsresult;
+OBJECT_ATTRIBUTES dir_ObjectAttributes;
+HANDLE dir_Handle;
+IO_STATUS_BLOCK dir_IoStatusBlock;
+NTSTATUS err;
+CaptiveDirectoryObject *captive_directory_object;
+
+ if (CAPTIVE_IS_SANDBOX_PARENT())
+ return captive_sandbox_parent_directory_new_open(captive_directory_object_return,pathname);
+
+ g_return_val_if_fail(captive_directory_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ *captive_directory_object_return=NULL;
+
+ errvfsresult=captive_ObjectAttributes_init(pathname,&dir_ObjectAttributes);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ /* wanted: * IoCreateFile()->ObCreateObject(,,,IoFileObjectType)->
+ * ->(IoFileObjectType->Create==IopCreateFile)()->IoMountVolume()
+ */
+ err=IoCreateFile(
+ &dir_Handle, /* FileHandle */
+ FILE_LIST_DIRECTORY, /* DesiredAccess */
+ &dir_ObjectAttributes, /* ObjectAttributes */
+ &dir_IoStatusBlock, /* IoStatusBlock */
+ NULL, /* AllocationSize; ignored for open */
+ FILE_ATTRIBUTE_NORMAL, /* FileAttributes; ignored for open */
+ FILE_SHARE_WRITE, /* ShareAccess; 0 means exclusive */
+ FILE_OPEN, /* 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_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_ALERT, /* CreateOptions */
+ NULL, /* EaBuffer */
+ 0, /* EaLength */
+ CreateFileTypeNone, /* CreateFileType */
+ NULL, /* ExtraCreateParameters */
+ 0); /* Options */
+ g_free(dir_ObjectAttributes.ObjectName); /* left from captive_gnomevfs_uri_parent_init() */
+ g_return_val_if_fail(NT_SUCCESS(err)==NT_SUCCESS(dir_IoStatusBlock.Status),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(dir_IoStatusBlock.Information==FILE_OPENED,GNOME_VFS_ERROR_GENERIC);
+
+ captive_directory_object=g_object_new(
+ CAPTIVE_DIRECTORY_TYPE_OBJECT, /* object_type */
+ NULL); /* first_property_name; FIXME: support properties */
+
+ captive_directory_object->dir_Handle=dir_Handle;
+
+ *captive_directory_object_return=captive_directory_object;
+ return GNOME_VFS_OK;
+}
+
+
+static GnomeVFSResult FileIdBothDirInformation_to_GnomeVFSFileInfo(GnomeVFSFileInfo *file_info,
+ FILE_ID_BOTH_DIR_INFORMATION *FileIdBothDirInformation,IO_STATUS_BLOCK *IoStatusBlock)
+{
+UNICODE_STRING FileName_UnicodeString;
+BOOLEAN errBOOLEAN;
+ULONG tmp_ULONG;
+
+ g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_GENERIC);
+ g_return_val_if_fail(FileIdBothDirInformation!=NULL,GNOME_VFS_ERROR_GENERIC);
+
+ g_return_val_if_fail(NT_SUCCESS(IoStatusBlock->Status),GNOME_VFS_ERROR_GENERIC);
+ /* do not exceed the returned buffer by this record;
+ * '->NextEntryOffset' is ==0 as we used 'ReturnSingleEntry==TRUE'
+ */
+ g_assert((gpointer)(((char *)FileIdBothDirInformation)+FileIdBothDirInformation->NextEntryOffset)
+ <=(gpointer)(((char *)FileIdBothDirInformation)+IoStatusBlock->Information));
+
+ file_info->valid_fields=0;
+
+ FileName_UnicodeString.Length=FileIdBothDirInformation->FileNameLength;
+ FileName_UnicodeString.MaximumLength=FileIdBothDirInformation->FileNameLength
+ +sizeof(*FileIdBothDirInformation->FileName); /* 0-terminator */
+ g_assert((gpointer)(((char *)FileIdBothDirInformation->FileName)+FileName_UnicodeString.Length)
+ <=(gpointer)(((char *)FileIdBothDirInformation)+IoStatusBlock->Information));
+ /* ensure we fit below '->IoStatusBlock->Information' at least without the 0-terminator */
+ FileIdBothDirInformation->FileName[FileIdBothDirInformation->FileNameLength
+ /sizeof(*FileIdBothDirInformation->FileName)]=0; /* 0-terminate it */
+ FileName_UnicodeString.Buffer=FileIdBothDirInformation->FileName;
+ file_info->name=captive_UnicodeString_to_utf8_malloc(&FileName_UnicodeString);
+ /* '->name' assumed for 'file_info->valid_fields' */
+
+ /* FIXME: What is 'FILE_ATTRIBUTE_NORMAL'? */
+ switch (FileIdBothDirInformation->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 (!(FileIdBothDirInformation->FileAttributes & FILE_ATTRIBUTE_READONLY))
+ file_info->permissions=GNOME_VFS_PERM_USER_WRITE;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;
+
+ file_info->size=FileIdBothDirInformation->EndOfFile.QuadPart;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_SIZE;
+
+ file_info->block_count=FileIdBothDirInformation->AllocationSize.QuadPart/512;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_BLOCK_COUNT;
+
+ file_info->flags=GNOME_VFS_FILE_FLAGS_LOCAL;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_FLAGS;
+
+ if (FileIdBothDirInformation->LastAccessTime.QuadPart) { /* it may be 0 if not set */
+ errBOOLEAN=RtlTimeToSecondsSince1970(&FileIdBothDirInformation->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 (FileIdBothDirInformation->LastWriteTime.QuadPart || FileIdBothDirInformation->ChangeTime.QuadPart) {
+ errBOOLEAN=RtlTimeToSecondsSince1970(
+ /* take the more recent (==bigger) time: */
+ (FileIdBothDirInformation->LastWriteTime.QuadPart > FileIdBothDirInformation->ChangeTime.QuadPart
+ ? &FileIdBothDirInformation->LastWriteTime : &FileIdBothDirInformation->ChangeTime),
+ &tmp_ULONG);
+ g_assert(errBOOLEAN==TRUE);
+ file_info->mtime=tmp_ULONG;
+ file_info->valid_fields|=GNOME_VFS_FILE_INFO_FIELDS_MTIME;
+ }
+
+ if (FileIdBothDirInformation->CreationTime.QuadPart) { /* it may be 0 if not set */
+ errBOOLEAN=RtlTimeToSecondsSince1970(&FileIdBothDirInformation->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;
+}
+
+
+static GnomeVFSResult captive_directory_close(CaptiveDirectoryObject *captive_directory_object)
+{
+NTSTATUS err;
+HANDLE dir_Handle;
+
+ if (CAPTIVE_IS_SANDBOX_PARENT())
+ return captive_sandbox_parent_directory_close(captive_directory_object);
+
+ g_return_val_if_fail(captive_directory_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(captive_directory_object->dir_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS); /* already closed */
+
+ dir_Handle=captive_directory_object->dir_Handle;
+ captive_directory_object->dir_Handle=NULL;
+ err=NtClose(dir_Handle);
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ return GNOME_VFS_OK;
+}
+
+
+GnomeVFSResult captive_directory_read(CaptiveDirectoryObject *captive_directory_object,GnomeVFSFileInfo *file_info)
+{
+NTSTATUS err;
+IO_STATUS_BLOCK dir_IoStatusBlock;
+FILE_ID_BOTH_DIR_INFORMATION *FileIdBothDirInformation;
+GnomeVFSResult errvfsresult;
+
+ if (CAPTIVE_IS_SANDBOX_PARENT())
+ return captive_sandbox_parent_directory_read(captive_directory_object,file_info);
+
+ g_return_val_if_fail(captive_directory_object!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(captive_directory_object->dir_Handle!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+ g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
+
+ FileIdBothDirInformation=(void *)captive_directory_object->QueryDirectory_buf;
+ err=NtQueryDirectoryFile(
+ captive_directory_object->dir_Handle, /* FileHandle */
+ NULL, /* PEvent; completion signalling; optional */
+ NULL, /* ApcRoutine; optional */
+ NULL, /* ApcContext; optional */
+ &dir_IoStatusBlock, /* IoStatusBlock */
+ (gpointer)captive_directory_object->QueryDirectory_buf, /* FileInformation */
+ sizeof(captive_directory_object->QueryDirectory_buf) /* Length */
+ -sizeof(*FileIdBothDirInformation->FileName), /* reserve space for 0-terminator */
+ FileIdBothDirectoryInformation, /* FileInformationClass; =>FILE_ID_BOTH_DIR_INFORMATION */
+ TRUE, /* ReturnSingleEntry */
+ NULL, /* FileName; wildcards possible; optional */
+ captive_directory_object->read_first); /* RestartScan */
+ captive_directory_object->read_first=FALSE;
+ if (err==STATUS_NO_MORE_FILES)
+ return GNOME_VFS_ERROR_EOF;
+ g_return_val_if_fail(NT_SUCCESS(err),GNOME_VFS_ERROR_GENERIC);
+
+ errvfsresult=FileIdBothDirInformation_to_GnomeVFSFileInfo(file_info,FileIdBothDirInformation,
+ &dir_IoStatusBlock);
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,errvfsresult);
+
+ return GNOME_VFS_OK;
+}
git://git.jankratochvil.net / captive.git / blobdiff