mirror of
https://github.com/tailscale/tailscale.git
synced 2025-10-31 16:22:03 +01:00
129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package osdiag
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import (
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"errors"
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"fmt"
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"maps"
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"strings"
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"testing"
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"golang.org/x/sys/windows/registry"
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)
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func makeLongBinaryValue() []byte {
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buf := make([]byte, maxBinaryValueLen*2)
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for i, _ := range buf {
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buf[i] = byte(i % 0xFF)
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}
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return buf
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}
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var testData = map[string]any{
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"": "I am the default",
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"StringEmpty": "",
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"StringShort": "Hello",
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"StringLong": strings.Repeat("7", initialValueBufLen+1),
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"MultiStringEmpty": []string{},
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"MultiStringSingle": []string{"Foo"},
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"MultiStringSingleEmpty": []string{""},
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"MultiString": []string{"Foo", "Bar", "Baz"},
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"MultiStringWithEmptyBeginning": []string{"", "Foo", "Bar"},
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"MultiStringWithEmptyMiddle": []string{"Foo", "", "Bar"},
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"MultiStringWithEmptyEnd": []string{"Foo", "Bar", ""},
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"DWord": uint32(0x12345678),
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"QWord": uint64(0x123456789abcdef0),
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"BinaryEmpty": []byte{},
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"BinaryShort": []byte{0x01, 0x02, 0x03, 0x04},
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"BinaryLong": makeLongBinaryValue(),
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}
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const (
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keyNameTest = `SOFTWARE\Tailscale Test`
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subKeyNameTest = "SubKey"
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)
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func setValues(t *testing.T, k registry.Key) {
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for vk, v := range testData {
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var err error
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switch tv := v.(type) {
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case string:
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err = k.SetStringValue(vk, tv)
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case []string:
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err = k.SetStringsValue(vk, tv)
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case uint32:
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err = k.SetDWordValue(vk, tv)
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case uint64:
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err = k.SetQWordValue(vk, tv)
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case []byte:
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err = k.SetBinaryValue(vk, tv)
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default:
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t.Fatalf("Unknown type")
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}
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if err != nil {
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t.Fatalf("Error setting %q: %v", vk, err)
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}
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}
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}
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func TestRegistrySupportInfo(t *testing.T) {
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// Make sure the key doesn't exist yet
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k, err := registry.OpenKey(registry.CURRENT_USER, keyNameTest, registry.READ)
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switch {
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case err == nil:
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k.Close()
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t.Fatalf("Test key already exists")
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case !errors.Is(err, registry.ErrNotExist):
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t.Fatal(err)
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}
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func() {
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k, _, err := registry.CreateKey(registry.CURRENT_USER, keyNameTest, registry.WRITE)
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if err != nil {
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t.Fatalf("Error creating test key: %v", err)
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}
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defer k.Close()
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setValues(t, k)
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sk, _, err := registry.CreateKey(k, subKeyNameTest, registry.WRITE)
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if err != nil {
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t.Fatalf("Error creating test subkey: %v", err)
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}
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defer sk.Close()
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setValues(t, sk)
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}()
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t.Cleanup(func() {
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registry.DeleteKey(registry.CURRENT_USER, keyNameTest+"\\"+subKeyNameTest)
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registry.DeleteKey(registry.CURRENT_USER, keyNameTest)
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})
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wantValuesData := maps.Clone(testData)
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wantValuesData["BinaryLong"] = (wantValuesData["BinaryLong"].([]byte))[:maxBinaryValueLen]
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wantKeyData := make(map[string]any)
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maps.Copy(wantKeyData, wantValuesData)
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wantSubKeyData := make(map[string]any)
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maps.Copy(wantSubKeyData, wantValuesData)
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wantKeyData[subKeyNameTest] = wantSubKeyData
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wantData := map[string]any{
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"HKCU\\" + keyNameTest: wantKeyData,
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}
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gotData, err := getRegistrySupportInfo(registry.CURRENT_USER, []string{keyNameTest})
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if err != nil {
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t.Errorf("getRegistrySupportInfo error: %v", err)
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}
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want, got := fmt.Sprintf("%#v", wantData), fmt.Sprintf("%#v", gotData)
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if want != got {
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t.Errorf("Compare error: want\n%s,\ngot %s", want, got)
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}
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}
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