Exemplo n.º 1
0
/**
 * Create directory tree
 * @param conn connection
 * @param dname Directory tree to be created
 * @return Returns True for success
 **/
static bool recycle_create_dir(vfs_handle_struct *handle, const char *dname)
{
	size_t len;
	mode_t mode;
	char *new_dir = NULL;
	char *tmp_str = NULL;
	char *token;
	char *tok_str;
	bool ret = False;
	char *saveptr;

	mode = recycle_directory_mode(handle);

	tmp_str = SMB_STRDUP(dname);
	ALLOC_CHECK(tmp_str, done);
	tok_str = tmp_str;

	len = strlen(dname)+1;
	new_dir = (char *)SMB_MALLOC(len + 1);
	ALLOC_CHECK(new_dir, done);
	*new_dir = '\0';
	if (dname[0] == '/') {
		/* Absolute path. */
		safe_strcat(new_dir,"/",len);
	}

	/* Create directory tree if neccessary */
	for(token = strtok_r(tok_str, "/", &saveptr); token;
	    token = strtok_r(NULL, "/", &saveptr)) {
		safe_strcat(new_dir, token, len);
		if (recycle_directory_exist(handle, new_dir))
			DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
		else {
			DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
			if (SMB_VFS_NEXT_MKDIR(handle, new_dir, mode) != 0) {
				DEBUG(1,("recycle: mkdir failed for %s with error: %s\n", new_dir, strerror(errno)));
				ret = False;
				goto done;
			}
		}
		safe_strcat(new_dir, "/", len);
		mode = recycle_subdir_mode(handle);
	}

	ret = True;
done:
	SAFE_FREE(tmp_str);
	SAFE_FREE(new_dir);
	return ret;
}
Exemplo n.º 2
0
/**
 * Create directory tree
 * @param conn connection
 * @param dname Directory tree to be created
 * @return Returns True for success
 **/
static BOOL recycle_create_dir(vfs_handle_struct *handle, const char *dname)
{
	int len;
	mode_t mode;
	char *new_dir = NULL;
	char *tmp_str = NULL;
	char *token;
	char *tok_str;
	BOOL ret = False;

	mode = S_IRUSR | S_IWUSR | S_IXUSR;

	tmp_str = SMB_STRDUP(dname);
	ALLOC_CHECK(tmp_str, done);
	tok_str = tmp_str;

	len = strlen(dname)+1;
	new_dir = (char *)SMB_MALLOC(len + 1);
	ALLOC_CHECK(new_dir, done);
	*new_dir = '\0';

	/* Create directory tree if neccessary */
	for(token = strtok(tok_str, "/"); token; token = strtok(NULL, "/")) {
		safe_strcat(new_dir, token, len);
		if (recycle_directory_exist(handle, new_dir))
			DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
		else {
			DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
			if (SMB_VFS_NEXT_MKDIR(handle, handle->conn, new_dir, mode) != 0) {
				DEBUG(1,("recycle: mkdir failed for %s with error: %s\n", new_dir, strerror(errno)));
				ret = False;
				goto done;
			}
		}
		safe_strcat(new_dir, "/", len);
	}

	ret = True;
done:
	SAFE_FREE(tmp_str);
	SAFE_FREE(new_dir);
	return ret;
}
Exemplo n.º 3
0
/**
 * Check if file should be recycled
 **/
static int recycle_unlink(vfs_handle_struct *handle,
    const struct smb_filename *smb_fname)
{
	connection_struct *conn = handle->conn;
	char *path_name = NULL;
       	char *temp_name = NULL;
	char *final_name = NULL;
	struct smb_filename *smb_fname_final = NULL;
	const char *base;
	char *repository = NULL;
	int i = 1;
	SMB_OFF_T maxsize, minsize;
	SMB_OFF_T file_size; /* space_avail;	*/
	bool exist;
	NTSTATUS status;
	int rc = -1;

	repository = talloc_sub_advanced(NULL, lp_servicename(SNUM(conn)),
					conn->session_info->unix_name,
					conn->connectpath,
					conn->session_info->utok.gid,
					conn->session_info->sanitized_username,
					conn->session_info->info3->base.domain.string,
					recycle_repository(handle));
	ALLOC_CHECK(repository, done);
	/* shouldn't we allow absolute path names here? --metze */
	/* Yes :-). JRA. */
	trim_char(repository, '\0', '/');

	if(!repository || *(repository) == '\0') {
		DEBUG(3, ("recycle: repository path not set, purging %s...\n",
			  smb_fname_str_dbg(smb_fname)));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	/* we don't recycle the recycle bin... */
	if (strncmp(smb_fname->base_name, repository,
		    strlen(repository)) == 0) {
		DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	file_size = recycle_get_file_size(handle, smb_fname);
	/* it is wrong to purge filenames only because they are empty imho
	 *   --- simo
	 *
	if(fsize == 0) {
		DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle,file_name);
		goto done;
	}
	 */

	/* FIXME: this is wrong, we should check the whole size of the recycle bin is
	 * not greater then maxsize, not the size of the single file, also it is better
	 * to remove older files
	 */
	maxsize = recycle_maxsize(handle);
	if(maxsize > 0 && file_size > maxsize) {
		DEBUG(3, ("recycle: File %s exceeds maximum recycle size, "
			  "purging... \n", smb_fname_str_dbg(smb_fname)));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}
	minsize = recycle_minsize(handle);
	if(minsize > 0 && file_size < minsize) {
		DEBUG(3, ("recycle: File %s lowers minimum recycle size, "
			  "purging... \n", smb_fname_str_dbg(smb_fname)));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	/* FIXME: this is wrong: moving files with rename does not change the disk space
	 * allocation
	 *
	space_avail = SMB_VFS_NEXT_DISK_FREE(handle, ".", True, &bsize, &dfree, &dsize) * 1024L;
	DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
	if(space_avail < file_size) {
		DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, file_name);
		goto done;
	}
	 */

	/* extract filename and path */
	base = strrchr(smb_fname->base_name, '/');
	if (base == NULL) {
		base = smb_fname->base_name;
		path_name = SMB_STRDUP("/");
		ALLOC_CHECK(path_name, done);
	}
	else {
		path_name = SMB_STRDUP(smb_fname->base_name);
		ALLOC_CHECK(path_name, done);
		path_name[base - smb_fname->base_name] = '\0';
		base++;
	}

	/* original filename with path */
	DEBUG(10, ("recycle: fname = %s\n", smb_fname_str_dbg(smb_fname)));
	/* original path */
	DEBUG(10, ("recycle: fpath = %s\n", path_name));
	/* filename without path */
	DEBUG(10, ("recycle: base = %s\n", base));

	if (matchparam(recycle_exclude(handle), base)) {
		DEBUG(3, ("recycle: file %s is excluded \n", base));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	if (matchdirparam(recycle_exclude_dir(handle), path_name)) {
		DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	if (recycle_keep_dir_tree(handle) == True) {
		if (asprintf(&temp_name, "%s/%s", repository, path_name) == -1) {
			ALLOC_CHECK(temp_name, done);
		}
	} else {
		temp_name = SMB_STRDUP(repository);
	}
	ALLOC_CHECK(temp_name, done);

	exist = recycle_directory_exist(handle, temp_name);
	if (exist) {
		DEBUG(10, ("recycle: Directory already exists\n"));
	} else {
		DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
		if (recycle_create_dir(handle, temp_name) == False) {
			DEBUG(3, ("recycle: Could not create directory, "
				  "purging %s...\n",
				  smb_fname_str_dbg(smb_fname)));
			rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
			goto done;
		}
	}

	if (asprintf(&final_name, "%s/%s", temp_name, base) == -1) {
		ALLOC_CHECK(final_name, done);
	}

	/* Create smb_fname with final base name and orig stream name. */
	status = create_synthetic_smb_fname(talloc_tos(), final_name,
					    smb_fname->stream_name, NULL,
					    &smb_fname_final);
	if (!NT_STATUS_IS_OK(status)) {
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	/* new filename with path */
	DEBUG(10, ("recycle: recycled file name: %s\n",
		   smb_fname_str_dbg(smb_fname_final)));

	/* check if we should delete file from recycle bin */
	if (recycle_file_exist(handle, smb_fname_final)) {
		if (recycle_versions(handle) == False || matchparam(recycle_noversions(handle), base) == True) {
			DEBUG(3, ("recycle: Removing old file %s from recycle "
				  "bin\n", smb_fname_str_dbg(smb_fname_final)));
			if (SMB_VFS_NEXT_UNLINK(handle,
						smb_fname_final) != 0) {
				DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
			}
		}
	}

	/* rename file we move to recycle bin */
	i = 1;
	while (recycle_file_exist(handle, smb_fname_final)) {
		SAFE_FREE(final_name);
		if (asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base) == -1) {
			ALLOC_CHECK(final_name, done);
		}
		TALLOC_FREE(smb_fname_final->base_name);
		smb_fname_final->base_name = talloc_strdup(smb_fname_final,
							   final_name);
		if (smb_fname_final->base_name == NULL) {
			rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
			goto done;
		}
	}

	DEBUG(10, ("recycle: Moving %s to %s\n", smb_fname_str_dbg(smb_fname),
		smb_fname_str_dbg(smb_fname_final)));
	rc = SMB_VFS_NEXT_RENAME(handle, smb_fname, smb_fname_final);
	if (rc != 0) {
		DEBUG(3, ("recycle: Move error %d (%s), purging file %s "
			  "(%s)\n", errno, strerror(errno),
			  smb_fname_str_dbg(smb_fname),
			  smb_fname_str_dbg(smb_fname_final)));
		rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
		goto done;
	}

	/* touch access date of moved file */
	if (recycle_touch(handle) == True || recycle_touch_mtime(handle))
		recycle_do_touch(handle, smb_fname_final,
				 recycle_touch_mtime(handle));

done:
	SAFE_FREE(path_name);
	SAFE_FREE(temp_name);
	SAFE_FREE(final_name);
	TALLOC_FREE(smb_fname_final);
	TALLOC_FREE(repository);
	return rc;
}
Exemplo n.º 4
0
/**
 * Check if file should be recycled
 **/
static int recycle_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *file_name)
{
	char *path_name = NULL;
       	char *temp_name = NULL;
	char *final_name = NULL;
	const char *base;
	char *repository = NULL;
	int i = 1;
	int maxsize;
	SMB_OFF_T file_size; /* space_avail;	*/
	BOOL exist;
	int rc = -1;

	repository = alloc_sub_conn(conn, recycle_repository(handle));
	ALLOC_CHECK(repository, done);
	/* shouldn't we allow absolute path names here? --metze */
	trim_char(repository, '/', '/');
	
	if(!repository || *(repository) == '\0') {
		DEBUG(3, ("recycle: repository path not set, purging %s...\n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	/* we don't recycle the recycle bin... */
	if (strncmp(file_name, repository, strlen(repository)) == 0) {
		DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	file_size = recycle_get_file_size(handle, file_name);
	/* it is wrong to purge filenames only because they are empty imho
	 *   --- simo
	 *
	if(fsize == 0) {
		DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle,conn,file_name);
		goto done;
	}
	 */

	/* FIXME: this is wrong, we should check the hole size of the recycle bin is
	 * not greater then maxsize, not the size of the single file, also it is better
	 * to remove older files
	 */
	maxsize = recycle_maxsize(handle);
	if(maxsize > 0 && file_size > maxsize) {
		DEBUG(3, ("recycle: File %s exceeds maximum recycle size, purging... \n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	/* FIXME: this is wrong: moving files with rename does not change the disk space
	 * allocation
	 *
	space_avail = SMB_VFS_NEXT_DISK_FREE(handle, conn, ".", True, &bsize, &dfree, &dsize) * 1024L;
	DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
	if(space_avail < file_size) {
		DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}
	 */

	/* extract filename and path */
	base = strrchr(file_name, '/');
	if (base == NULL) {
		base = file_name;
		path_name = SMB_STRDUP("/");
		ALLOC_CHECK(path_name, done);
	}
	else {
		path_name = SMB_STRDUP(file_name);
		ALLOC_CHECK(path_name, done);
		path_name[base - file_name] = '\0';
		base++;
	}

	DEBUG(10, ("recycle: fname = %s\n", file_name));	/* original filename with path */
	DEBUG(10, ("recycle: fpath = %s\n", path_name));	/* original path */
	DEBUG(10, ("recycle: base = %s\n", base));		/* filename without path */

	if (matchparam(recycle_exclude(handle), base)) {
		DEBUG(3, ("recycle: file %s is excluded \n", base));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	/* FIXME: this check will fail if we have more than one level of directories,
	 * we shoud check for every level 1, 1/2, 1/2/3, 1/2/3/4 .... 
	 * 	---simo
	 */
	if (checkparam(recycle_exclude_dir(handle), path_name)) {
		DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	if (recycle_keep_dir_tree(handle) == True) {
		asprintf(&temp_name, "%s/%s", repository, path_name);
	} else {
		temp_name = SMB_STRDUP(repository);
	}
	ALLOC_CHECK(temp_name, done);

	exist = recycle_directory_exist(handle, temp_name);
	if (exist) {
		DEBUG(10, ("recycle: Directory already exists\n"));
	} else {
		DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
		if (recycle_create_dir(handle, temp_name) == False) {
			DEBUG(3, ("recycle: Could not create directory, purging %s...\n", file_name));
			rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
			goto done;
		}
	}

	asprintf(&final_name, "%s/%s", temp_name, base);
	ALLOC_CHECK(final_name, done);
	DEBUG(10, ("recycle: recycled file name: %s\n", final_name));		/* new filename with path */

	/* check if we should delete file from recycle bin */
	if (recycle_file_exist(handle, final_name)) {
		if (recycle_versions(handle) == False || matchparam(recycle_noversions(handle), base) == True) {
			DEBUG(3, ("recycle: Removing old file %s from recycle bin\n", final_name));
			if (SMB_VFS_NEXT_UNLINK(handle, conn, final_name) != 0) {
				DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
			}
		}
	}

	/* rename file we move to recycle bin */
	i = 1;
	while (recycle_file_exist(handle, final_name)) {
		SAFE_FREE(final_name);
		asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base);
	}

	DEBUG(10, ("recycle: Moving %s to %s\n", file_name, final_name));
	rc = SMB_VFS_NEXT_RENAME(handle, conn, file_name, final_name);
	if (rc != 0) {
		DEBUG(3, ("recycle: Move error %d (%s), purging file %s (%s)\n", errno, strerror(errno), file_name, final_name));
		rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
		goto done;
	}

	/* touch access date of moved file */
	if (recycle_touch(handle) == True )
		recycle_do_touch(handle, final_name);

done:
	SAFE_FREE(path_name);
	SAFE_FREE(temp_name);
	SAFE_FREE(final_name);
	SAFE_FREE(repository);
	return rc;
}