mirror of
https://github.com/syncthing/syncthing.git
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120 lines
3.5 KiB
Go
120 lines
3.5 KiB
Go
// Copyright (C) 2019 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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package fs
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import (
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"math/rand"
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"runtime"
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"testing"
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"unicode"
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"unicode/utf8"
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)
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func TestCommonPrefix(t *testing.T) {
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test := func(first, second, expect string) {
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t.Helper()
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res := CommonPrefix(first, second)
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if res != expect {
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t.Errorf("Expected %s got %s", expect, res)
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}
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}
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if runtime.GOOS == "windows" {
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test(`c:\Audrius\Downloads`, `c:\Audrius\Docs`, `c:\Audrius`)
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test(`c:\Audrius\Downloads`, `C:\Audrius\Docs`, ``) // Case differences :(
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test(`C:\Audrius-a\Downloads`, `C:\Audrius-b\Docs`, `C:\`)
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test(`\\?\C:\Audrius-a\Downloads`, `\\?\C:\Audrius-b\Docs`, `\\?\C:\`)
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test(`\\?\C:\Audrius\Downloads`, `\\?\C:\Audrius\Docs`, `\\?\C:\Audrius`)
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test(`Audrius-a\Downloads`, `Audrius-b\Docs`, ``)
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test(`Audrius\Downloads`, `Audrius\Docs`, `Audrius`)
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test(`c:\Audrius\Downloads`, `Audrius\Docs`, ``)
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test(`c:\`, `c:\`, `c:\`)
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test(`\\?\c:\`, `\\?\c:\`, `\\?\c:\`)
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} else {
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test(`/Audrius/Downloads`, `/Audrius/Docs`, `/Audrius`)
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test(`/Audrius\Downloads`, `/Audrius\Docs`, `/`)
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test(`/Audrius-a/Downloads`, `/Audrius-b/Docs`, `/`)
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test(`Audrius\Downloads`, `Audrius\Docs`, ``) // Windows separators
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test(`Audrius/Downloads`, `Audrius/Docs`, `Audrius`)
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test(`Audrius-a\Downloads`, `Audrius-b\Docs`, ``)
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test(`/Audrius/Downloads`, `Audrius/Docs`, ``)
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test(`/`, `/`, `/`)
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}
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test(`Audrius`, `Audrius`, `Audrius`)
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test(`.`, `.`, `.`)
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}
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func TestWindowsInvalidFilename(t *testing.T) {
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cases := []struct {
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name string
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err error
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}{
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{`asdf.txt`, nil},
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{`nul`, errInvalidFilenameWindowsReservedName},
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{`nul.txt`, errInvalidFilenameWindowsReservedName},
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{`nul.jpg.txt`, errInvalidFilenameWindowsReservedName},
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{`some.nul.jpg`, nil},
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{`foo>bar.txt`, errInvalidFilenameWindowsReservedChar},
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{`foo \bar.txt`, errInvalidFilenameWindowsSpacePeriod},
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{`foo.\bar.txt`, errInvalidFilenameWindowsSpacePeriod},
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{`foo.d\bar.txt`, nil},
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{`foo.d\bar .txt`, nil},
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{`foo.d\bar. txt`, nil},
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}
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for _, tc := range cases {
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err := WindowsInvalidFilename(tc.name)
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if err != tc.err {
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t.Errorf("For %q, got %v, expected %v", tc.name, err, tc.err)
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}
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}
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}
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func TestSanitizePath(t *testing.T) {
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cases := [][2]string{
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{"", ""},
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{"foo", "foo"},
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{`\*/foo\?/bar[{!@$%^&*#()}]`, "foo bar ()"},
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{"Räksmörgås", "Räksmörgås"},
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{`Räk \/ smörgås`, "Räk smörgås"},
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{"هذا هو *\x07?اسم الملف", "هذا هو اسم الملف"},
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{`../foo.txt`, `.. foo.txt`},
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{" \t \n filename in \t space\r", "filename in space"},
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{"你\xff好", `你 好`},
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{"\000 foo", "foo"},
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}
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for _, tc := range cases {
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res := SanitizePath(tc[0])
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if res != tc[1] {
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t.Errorf("SanitizePath(%q) => %q, expected %q", tc[0], res, tc[1])
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}
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}
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}
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// Fuzz test: SanitizePath must always return strings of printable UTF-8
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// characters when fed random data.
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//
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// Note that space is considered printable, but other whitespace runes are not.
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func TestSanitizePathFuzz(t *testing.T) {
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buf := make([]byte, 128)
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for i := 0; i < 100; i++ {
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rand.Read(buf)
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path := SanitizePath(string(buf))
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if !utf8.ValidString(path) {
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t.Errorf("SanitizePath(%q) => %q, not valid UTF-8", buf, path)
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continue
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}
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for _, c := range path {
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if !unicode.IsPrint(c) {
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t.Errorf("non-printable rune %q in sanitized path", c)
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}
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}
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}
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}
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