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5e69a107d8
Currently windows support was relying on Symlink as a way to detect a drive, this doesn't work in latest Windows 2016, fix this to use a proper mechanism by using win32 APIs. Additionally also add support for detecting bind mounts on Linux.
49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
// +build windows
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/*
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* Minio Cloud Storage, (C) 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 mountinfo
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import (
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"golang.org/x/sys/windows"
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)
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// CheckCrossDevice - check if any input path has multiple sub-mounts.
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// this is a dummy function and returns nil for now.
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func CheckCrossDevice(paths []string) error {
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return nil
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}
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// IsLikelyMountPoint determines if a directory is a mountpoint.
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func IsLikelyMountPoint(path string) bool {
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wpath, _ := windows.UTF16PtrFromString(path)
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wvolume := make([]uint16, len(path)+1)
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if err := windows.GetVolumePathName(wpath, &wvolume[0], uint32(len(wvolume))); err != nil {
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return false
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}
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switch windows.GetDriveType(&wvolume[0]) {
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case windows.DRIVE_FIXED, windows.DRIVE_REMOVABLE, windows.DRIVE_REMOTE, windows.DRIVE_RAMDISK:
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// Recognize "fixed", "removable", "remote" and "ramdisk" drives as proper drives
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// which can be treated as an actual mount-point, rest can be ignored.
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// https://docs.microsoft.com/en-us/windows/desktop/api/fileapi/nf-fileapi-getdrivetypew
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return true
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}
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return false
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}
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