disk.c

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	{
		perror("stat");
		out_uint8(out, 0);
		return STATUS_ACCESS_DENIED;
	}

	/* Set file attributes */
	file_attributes = 0;
	if (S_ISDIR(filestat.st_mode))
		file_attributes |= FILE_ATTRIBUTE_DIRECTORY;

	filename = 1 + strrchr(path, '/');
	if (filename && filename[0] == '.')
		file_attributes |= FILE_ATTRIBUTE_HIDDEN;

	if (!file_attributes)
		file_attributes |= FILE_ATTRIBUTE_NORMAL;

	if (!(filestat.st_mode & S_IWUSR))
		file_attributes |= FILE_ATTRIBUTE_READONLY;

	/* Return requested data */
	switch (info_class)
	{
		case FileBasicInformation:
			seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
						       &ft_low);
			out_uint32_le(out, ft_low);	/* create_access_time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* last_access_time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* last_write_time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* last_change_time */
			out_uint32_le(out, ft_high);

			out_uint32_le(out, file_attributes);
			break;

		case FileStandardInformation:

			out_uint32_le(out, filestat.st_size);	/* Allocation size */
			out_uint32_le(out, 0);
			out_uint32_le(out, filestat.st_size);	/* End of file */
			out_uint32_le(out, 0);
			out_uint32_le(out, filestat.st_nlink);	/* Number of links */
			out_uint8(out, 0);	/* Delete pending */
			out_uint8(out, S_ISDIR(filestat.st_mode) ? 1 : 0);	/* Directory */
			break;

		case FileObjectIdInformation:

			out_uint32_le(out, file_attributes);	/* File Attributes */
			out_uint32_le(out, 0);	/* Reparse Tag */
			break;

		default:

			unimpl("IRP Query (File) Information class: 0x%x\n", info_class);
			return STATUS_INVALID_PARAMETER;
	}
	return STATUS_SUCCESS;
}

NTSTATUS
disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
{
	uint32 length, file_attributes, ft_high, ft_low, delete_on_close;
	char newname[PATH_MAX], fullpath[PATH_MAX];
	struct fileinfo *pfinfo;
	int mode;
	struct stat filestat;
	time_t write_time, change_time, access_time, mod_time;
	struct utimbuf tvs;
	struct STATFS_T stat_fs;

	pfinfo = &(g_fileinfo[handle]);
	g_notify_stamp = True;

	switch (info_class)
	{
		case FileBasicInformation:
			write_time = change_time = access_time = 0;

			in_uint8s(in, 4);	/* Handle of root dir? */
			in_uint8s(in, 24);	/* unknown */

			/* CreationTime */
			in_uint32_le(in, ft_low);
			in_uint32_le(in, ft_high);

			/* AccessTime */
			in_uint32_le(in, ft_low);
			in_uint32_le(in, ft_high);
			if (ft_low || ft_high)
				access_time = convert_1970_to_filetime(ft_high, ft_low);

			/* WriteTime */
			in_uint32_le(in, ft_low);
			in_uint32_le(in, ft_high);
			if (ft_low || ft_high)
				write_time = convert_1970_to_filetime(ft_high, ft_low);

			/* ChangeTime */
			in_uint32_le(in, ft_low);
			in_uint32_le(in, ft_high);
			if (ft_low || ft_high)
				change_time = convert_1970_to_filetime(ft_high, ft_low);

			in_uint32_le(in, file_attributes);

			if (fstat(handle, &filestat))
				return STATUS_ACCESS_DENIED;

			tvs.modtime = filestat.st_mtime;
			tvs.actime = filestat.st_atime;
			if (access_time)
				tvs.actime = access_time;


			if (write_time || change_time)
				mod_time = MIN(write_time, change_time);
			else
				mod_time = write_time ? write_time : change_time;

			if (mod_time)
				tvs.modtime = mod_time;


			if (access_time || write_time || change_time)
			{
#if WITH_DEBUG_RDP5
				printf("FileBasicInformation access       time %s",
				       ctime(&tvs.actime));
				printf("FileBasicInformation modification time %s",
				       ctime(&tvs.modtime));
#endif
				if (utime(pfinfo->path, &tvs) && errno != EPERM)
					return STATUS_ACCESS_DENIED;
			}

			if (!file_attributes)
				break;	/* not valid */

			mode = filestat.st_mode;

			if (file_attributes & FILE_ATTRIBUTE_READONLY)
				mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
			else
				mode |= S_IWUSR;

			mode &= 0777;
#if WITH_DEBUG_RDP5
			printf("FileBasicInformation set access mode 0%o", mode);
#endif

			if (fchmod(handle, mode))
				return STATUS_ACCESS_DENIED;

			break;

		case FileRenameInformation:

			in_uint8s(in, 4);	/* Handle of root dir? */
			in_uint8s(in, 0x1a);	/* unknown */
			in_uint32_le(in, length);

			if (length && (length / 2) < 256)
			{
				rdp_in_unistr(in, newname, length);
				convert_to_unix_filename(newname);
			}
			else
			{
				return STATUS_INVALID_PARAMETER;
			}

			sprintf(fullpath, "%s%s", g_rdpdr_device[pfinfo->device_id].local_path,
				newname);

			if (rename(pfinfo->path, fullpath) != 0)
			{
				perror("rename");
				return STATUS_ACCESS_DENIED;
			}
			break;

		case FileDispositionInformation:
			/* As far as I understand it, the correct
			   thing to do here is to *schedule* a delete,
			   so it will be deleted when the file is
			   closed. Subsequent
			   FileDispositionInformation requests with
			   DeleteFile set to FALSE should unschedule
			   the delete. See
			   http://www.osronline.com/article.cfm?article=245. */

			in_uint32_le(in, delete_on_close);

			if (delete_on_close ||
			    (pfinfo->
			     accessmask & (FILE_DELETE_ON_CLOSE | FILE_COMPLETE_IF_OPLOCKED)))
			{
				pfinfo->delete_on_close = True;
			}

			break;

		case FileAllocationInformation:
			/* Fall through to FileEndOfFileInformation,
			   which uses ftrunc. This is like Samba with
			   "strict allocation = false", and means that
			   we won't detect out-of-quota errors, for
			   example. */

		case FileEndOfFileInformation:
			in_uint8s(in, 28);	/* unknown */
			in_uint32_le(in, length);	/* file size */

			/* prevents start of writing if not enough space left on device */
			if (STATFS_FN(g_rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0)
				if (stat_fs.f_bfree * stat_fs.f_bsize < length)
					return STATUS_DISK_FULL;

			if (ftruncate_growable(handle, length) != 0)
			{
				return STATUS_DISK_FULL;
			}

			break;
		default:

			unimpl("IRP Set File Information class: 0x%x\n", info_class);
			return STATUS_INVALID_PARAMETER;
	}
	return STATUS_SUCCESS;
}

NTSTATUS
disk_check_notify(NTHANDLE handle)
{
	struct fileinfo *pfinfo;
	NTSTATUS status = STATUS_PENDING;

	NOTIFY notify;

	pfinfo = &(g_fileinfo[handle]);
	if (!pfinfo->pdir)
		return STATUS_INVALID_DEVICE_REQUEST;



	status = NotifyInfo(handle, pfinfo->info_class, &notify);

	if (status != STATUS_PENDING)
		return status;

	if (memcmp(&pfinfo->notify, &notify, sizeof(NOTIFY)))
	{
		/*printf("disk_check_notify found changed event\n"); */
		memcpy(&pfinfo->notify, &notify, sizeof(NOTIFY));
		status = STATUS_NOTIFY_ENUM_DIR;
	}

	return status;


}

NTSTATUS
disk_create_notify(NTHANDLE handle, uint32 info_class)
{

	struct fileinfo *pfinfo;
	NTSTATUS ret = STATUS_PENDING;

	/* printf("start disk_create_notify info_class %X\n", info_class); */

	pfinfo = &(g_fileinfo[handle]);
	pfinfo->info_class = info_class;

	ret = NotifyInfo(handle, info_class, &pfinfo->notify);

	if (info_class & 0x1000)
	{			/* ???? */
		if (ret == STATUS_PENDING)
			return STATUS_SUCCESS;
	}

	/* printf("disk_create_notify: num_entries %d\n", pfinfo->notify.num_entries); */


	return ret;

}

static NTSTATUS
NotifyInfo(NTHANDLE handle, uint32 info_class, NOTIFY * p)
{
	struct fileinfo *pfinfo;
	struct stat buf;
	struct dirent *dp;
	char *fullname;
	DIR *dpr;

	pfinfo = &(g_fileinfo[handle]);
	if (fstat(handle, &buf) < 0)
	{
		perror("NotifyInfo");
		return STATUS_ACCESS_DENIED;
	}
	p->modify_time = buf.st_mtime;
	p->status_time = buf.st_ctime;
	p->num_entries = 0;
	p->total_time = 0;


	dpr = opendir(pfinfo->path);
	if (!dpr)
	{
		perror("NotifyInfo");
		return STATUS_ACCESS_DENIED;
	}


	while ((dp = readdir(dpr)))
	{
		if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
			continue;
		p->num_entries++;
		fullname = (char *) xmalloc(strlen(pfinfo->path) + strlen(dp->d_name) + 2);
		sprintf(fullname, "%s/%s", pfinfo->path, dp->d_name);

		if (!stat(fullname, &buf))
		{
			p->total_time += (buf.st_mtime + buf.st_ctime);
		}

		xfree(fullname);
	}
	closedir(dpr);

	return STATUS_PENDING;
}

static FsInfoType *
FsVolumeInfo(char *fpath)
{

	static FsInfoType info;
#ifdef USE_SETMNTENT
	FILE *fdfs;
	struct mntent *e;
#endif

	/* initialize */
	memset(&info, 0, sizeof(info));
	strcpy(info.label, "RDESKTOP");
	strcpy(info.type, "RDPFS");

#ifdef USE_SETMNTENT
	fdfs = setmntent(MNTENT_PATH, "r");
	if (!fdfs)
		return &info;

	while ((e = getmntent(fdfs)))
	{
		if (str_startswith(e->mnt_dir, fpath))
		{
			strcpy(info.type, e->mnt_type);
			strcpy(info.name, e->mnt_fsname);
			if (strstr(e->mnt_opts, "vfat") || strstr(e->mnt_opts, "iso9660"))
			{
				int fd = open(e->mnt_fsname, O_RDONLY);
				if (fd >= 0)
				{
					unsigned char buf[512];
					memset(buf, 0, sizeof(buf));
					if (strstr(e->mnt_opts, "vfat"))
						 /*FAT*/
					{
						strcpy(info.type, "vfat");
						read(fd, buf, sizeof(buf));
						info.serial =
							(buf[42] << 24) + (buf[41] << 16) +
							(buf[40] << 8) + buf[39];
						strncpy(info.label, (char *) buf + 43, 10);
						info.label[10] = '\0';
					}
					else if (lseek(fd, 32767, SEEK_SET) >= 0)	/* ISO9660 */
					{
						read(fd, buf, sizeof(buf));
						strncpy(info.label, (char *) buf + 41, 32);
						info.label[32] = '\0';
						/* info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; */
					}
					close(fd);
				}
			}
		}
	}
	endmntent(fdfs);
#else
	/* initialize */
	memset(&info, 0, sizeof(info));
	strcpy(info.label, "RDESKTOP");
	strcpy(info.type, "RDPFS");

#endif
	return &info;
}


NTSTATUS
disk_query_volume_information(NTHANDLE handle, uint32 info_class, STREAM out)
{
	struct STATFS_T stat_fs;
	struct fileinfo *pfinfo;
	FsInfoType *fsinfo;

	pfinfo = &(g_fileinfo[handle]);

	if (STATFS_FN(pfinfo->path, &stat_fs) != 0)
	{
		perror("statfs");
		return STATUS_ACCESS_DENIED;
	}

	fsinfo = FsVolumeInfo(pfinfo->path);

	switch (info_class)
	{
		case FileFsVolumeInformation:

			out_uint32_le(out, 0);	/* volume creation time low */
			out_uint32_le(out, 0);	/* volume creation time high */
			out_uint32_le(out, fsinfo->serial);	/* serial */

			out_uint32_le(out, 2 * strlen(fsinfo->label));	/* length of string */

			out_uint8(out, 0);	/* support objects? */
			rdp_out_unistr(out, fsinfo->label, 2 * strlen(fsinfo->label) - 2);
			break;

		case FileFsSizeInformation:

			out_uint32_le(out, stat_fs.f_blocks);	/* Total allocation units low */
			out_uint32_le(out, 0);	/* Total allocation high units */
			out_uint32_le(out, stat_fs.f_bfree);	/* Available allocation units */
			out_uint32_le(out, 0);	/* Available allowcation units */
			out_uint32_le(out, stat_fs.f_bsize / 0x200);	/* Sectors per allocation unit */
			out_uint32_le(out, 0x200);	/* Bytes per sector */
			break;

		case FileFsAttributeInformation:

			out_uint32_le(out, FS_CASE_SENSITIVE | FS_CASE_IS_PRESERVED);	/* fs attributes */
			out_uint32_le(out, F_NAMELEN(stat_fs));	/* max length of filename */

			out_uint32_le(out, 2 * strlen(fsinfo->type));	/* length of fs_type */
			rdp_out_unistr(out, fsinfo->type, 2 * strlen(fsinfo->type) - 2);
			break;

		case FileFsLabelInformation:
		case FileFsDeviceInformation:
		case FileFsControlInformation:
		case FileFsFullSizeInformation:
		case FileFsObjectIdInformation:
		case FileFsMaximumInformation:

		default:

			unimpl("IRP Query Volume Information class: 0x%x\n", info_class);
			return STATUS_INVALID_PARAMETER;
	}
	return STATUS_SUCCESS;
}

NTSTATUS
disk_query_directory(NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
{
	uint32 file_attributes, ft_low, ft_high;
	char *dirname, fullpath[PATH_MAX];
	DIR *pdir;
	struct dirent *pdirent;
	struct stat fstat;
	struct fileinfo *pfinfo;

	pfinfo = &(g_fileinfo[handle]);
	pdir = pfinfo->pdir;
	dirname = pfinfo->path;
	file_attributes = 0;

	switch (info_class)
	{
		case FileBothDirectoryInformation:

			/* If a search pattern is received, remember this pattern, and restart search */
			if (pattern[0] != 0)
			{
				strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), PATH_MAX - 1);
				rewinddir(pdir);
			}

			/* find next dirent matching pattern */
			pdirent = readdir(pdir);
			while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0)
				pdirent = readdir(pdir);

			if (pdirent == NULL)
				return STATUS_NO_MORE_FILES;

			/* Get information for directory entry */
			sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);

			if (stat(fullpath, &fstat))
			{
				switch (errno)
				{
					case ENOENT:
					case ELOOP:
					case EACCES:
						/* These are non-fatal errors. */
						memset(&fstat, 0, sizeof(fstat));
						break;
					default:
						/* Fatal error. By returning STATUS_NO_SUCH_FILE, 
						   the directory list operation will be aborted */
						perror(fullpath);
						out_uint8(out, 0);
						return STATUS_NO_SUCH_FILE;
				}
			}

			if (S_ISDIR(fstat.st_mode))
				file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
			if (pdirent->d_name[0] == '.')
				file_attributes |= FILE_ATTRIBUTE_HIDDEN;
			if (!file_attributes)
				file_attributes |= FILE_ATTRIBUTE_NORMAL;
			if (!(fstat.st_mode & S_IWUSR))
				file_attributes |= FILE_ATTRIBUTE_READONLY;

			/* Return requested information */
			out_uint8s(out, 8);	/* unknown zero */

			seconds_since_1970_to_filetime(get_create_time(&fstat), &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* create time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(fstat.st_atime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* last_access_time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(fstat.st_mtime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* last_write_time */
			out_uint32_le(out, ft_high);

			seconds_since_1970_to_filetime(fstat.st_ctime, &ft_high, &ft_low);
			out_uint32_le(out, ft_low);	/* change_write_time */
			out_uint32_le(out, ft_high);

			out_uint32_le(out, fstat.st_size);	/* filesize low */
			out_uint32_le(out, 0);	/* filesize high */
			out_uint32_le(out, fstat.st_size);	/* filesize low */
			out_uint32_le(out, 0);	/* filesize high */
			out_uint32_le(out, file_attributes);
			out_uint8(out, 2 * strlen(pdirent->d_name) + 2);	/* unicode length */
			out_uint8s(out, 7);	/* pad? */
			out_uint8(out, 0);	/* 8.3 file length */
			out_uint8s(out, 2 * 12);	/* 8.3 unicode length */
			rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name));
			break;

		default:
			/* FIXME: Support FileDirectoryInformation,
			   FileFullDirectoryInformation, and
			   FileNamesInformation */

			unimpl("IRP Query Directory sub: 0x%x\n", info_class);
			return STATUS_INVALID_PARAMETER;
	}

	return STATUS_SUCCESS;
}



static NTSTATUS
disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out)
{
	if (((request >> 16) != 20) || ((request >> 16) != 9))
		return STATUS_INVALID_PARAMETER;

	/* extract operation */
	request >>= 2;
	request &= 0xfff;

	printf("DISK IOCTL %d\n", request);

	switch (request)
	{
		case 25:	/* ? */
		case 42:	/* ? */
		default:
			unimpl("DISK IOCTL %d\n", request);
			return STATUS_INVALID_PARAMETER;
	}

	return STATUS_SUCCESS;
}

DEVICE_FNS disk_fns = {
	disk_create,
	disk_close,
	disk_read,
	disk_write,
	disk_device_control	/* device_control */
};