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66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// +build linux darwin dragonfly freebsd netbsd openbsd
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/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"os"
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"strings"
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"unicode/utf8"
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)
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const pathMax = 4096 // 4k limit on all unixes.
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// isValidPath verifies if a path name is in accordance with FS limitations.
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func isValidPath(path string) bool {
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if len(path) > pathMax || len(path) == 0 {
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return false
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}
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if !utf8.ValidString(path) {
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return false
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}
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return true
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}
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// isValidVolname verifies a volname name in accordance with object
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// layer requirements.
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func isValidVolname(volname string) bool {
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if len(volname) < 3 || len(volname) > 63 {
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return false
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}
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// Volname shouldn't have '/' in it.
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return !strings.ContainsAny(volname, "/")
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}
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// mkdirAll creates a directory named path,
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// along with any necessary parents, and returns nil,
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// or else returns an error. The permission bits perm are used
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// for all directories that mkdirAll creates. If path is already
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// a directory, mkdirAll does nothing and returns nil.
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func mkdirAll(path string, perm os.FileMode) error {
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return os.MkdirAll(path, perm)
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}
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// removeAll removes path and any children it contains.
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// It removes everything it can but returns the first error
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// it encounters. If the path does not exist, RemoveAll
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// returns nil (no error).
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func removeAll(path string) error {
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return os.RemoveAll(path)
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}
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