1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
//go:build windows
// +build windows
package protocol
// Windows uses backslashes as file separator
import (
"fmt"
"path/filepath"
"strings"
)
func makeNative(m rawModel) rawModel { return nativeModel{m} }
type nativeModel struct {
rawModel
}
func (m nativeModel) Index(idx *Index) error {
idx.Files = fixupFiles(idx.Files)
return m.rawModel.Index(idx)
}
func (m nativeModel) IndexUpdate(idxUp *IndexUpdate) error {
idxUp.Files = fixupFiles(idxUp.Files)
return m.rawModel.IndexUpdate(idxUp)
}
func (m nativeModel) Request(req *Request) (RequestResponse, error) {
if strings.Contains(req.Name, `\`) {
l.Warnf("Dropping request for %s, contains invalid path separator", req.Name)
return nil, ErrNoSuchFile
}
req.Name = filepath.FromSlash(req.Name)
return m.rawModel.Request(req)
}
func fixupFiles(files []FileInfo) []FileInfo {
var out []FileInfo
for i := range files {
if strings.Contains(files[i].Name, `\`) {
msg := fmt.Sprintf("Dropping index entry for %s, contains invalid path separator", files[i].Name)
if files[i].Deleted {
// Dropping a deleted item doesn't have any consequences.
l.Debugln(msg)
} else {
l.Warnln(msg)
}
if out == nil {
// Most incoming updates won't contain anything invalid, so
// we delay the allocation and copy to output slice until we
// really need to do it, then copy all the so-far valid
// files to it.
out = make([]FileInfo, i, len(files)-1)
copy(out, files)
}
continue
}
// Fixup the path separators
files[i].Name = filepath.FromSlash(files[i].Name)
if out != nil {
out = append(out, files[i])
}
}
if out != nil {
// We did some filtering
return out
}
// Unchanged
return files
}
|
