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105 lines
2.7 KiB
105 lines
2.7 KiB
// +build windows
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/*
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* MinIO Cloud Storage, (C) 2016, 2017, 2018 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 cmd
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import (
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"os"
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"strings"
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"syscall"
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)
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// Return all the entries at the directory dirPath.
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func readDir(dirPath string) (entries []string, err error) {
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return readDirN(dirPath, -1)
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}
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// Return N entries at the directory dirPath. If count is -1, return all entries
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func readDirN(dirPath string, count int) (entries []string, err error) {
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d, err := os.Open(dirPath)
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if err != nil {
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// File is really not found.
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if os.IsNotExist(err) {
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return nil, errFileNotFound
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}
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// File path cannot be verified since one of the parents is a file.
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if strings.Contains(err.Error(), "not a directory") {
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return nil, errFileNotFound
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}
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return nil, err
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}
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defer d.Close()
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st, err := d.Stat()
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if err != nil {
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return nil, err
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}
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// Not a directory return error.
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if !st.IsDir() {
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return nil, errFileAccessDenied
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}
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data := &syscall.Win32finddata{}
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for count != 0 {
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e := syscall.FindNextFile(syscall.Handle(d.Fd()), data)
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if e != nil {
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if e == syscall.ERROR_NO_MORE_FILES {
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break
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} else {
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err = &os.PathError{
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Op: "FindNextFile",
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Path: dirPath,
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Err: e,
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}
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return
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}
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}
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name := syscall.UTF16ToString(data.FileName[0:])
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if name == "" || name == "." || name == ".." { // Useless names
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continue
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}
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switch {
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case data.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT != 0:
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// If its symbolic link, follow the link using os.Stat()
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var fi os.FileInfo
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fi, err = os.Stat(pathJoin(dirPath, name))
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if err != nil {
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// If file does not exist, we continue and skip it.
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// Could happen if it was deleted in the middle while
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// this list was being performed.
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if os.IsNotExist(err) {
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continue
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}
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return nil, err
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}
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if fi.IsDir() {
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entries = append(entries, name+SlashSeparator)
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} else if fi.Mode().IsRegular() {
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entries = append(entries, name)
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}
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case data.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0:
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entries = append(entries, name+SlashSeparator)
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default:
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entries = append(entries, name)
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}
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count--
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}
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return entries, nil
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}
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