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adce6fa473
This adds support for syncing ownership on Unixes and on Windows. The scanner always picks up ownership information, but it is not applied unless the new folder option "Sync Ownership" is set. Ownership data is stored in a new FileInfo field called "platform data". This is intended to hold further platform-specific data in the future (specifically, extended attributes), which is why the whole design is a bit overkill for just ownership.
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright (C) 2022 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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//go:build !windows
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// +build !windows
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package model
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import (
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"os/user"
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"strconv"
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"github.com/syncthing/syncthing/lib/protocol"
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)
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func (f *sendReceiveFolder) syncOwnership(file *protocol.FileInfo, path string) error {
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if file.Platform.Unix == nil {
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// No owner data, nothing to do
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return nil
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}
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// Try to look up the user and group by name, defaulting to the
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// numerical UID and GID if there is no match.
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uid := strconv.Itoa(file.Platform.Unix.UID)
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if file.Platform.Unix.OwnerName != "" {
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us, err := user.Lookup(file.Platform.Unix.OwnerName)
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if err == nil && us.Uid != "" {
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uid = us.Uid
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}
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}
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gid := strconv.Itoa(file.Platform.Unix.GID)
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if file.Platform.Unix.GroupName != "" {
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gr, err := user.LookupGroup(file.Platform.Unix.GroupName)
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if err == nil && gr.Gid != "" {
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gid = gr.Gid
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}
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}
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return f.mtimefs.Lchown(path, uid, gid)
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}
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