mirror of
https://github.com/Control-D-Inc/ctrld.git
synced 2026-10-12 01:58:46 +02:00
318 lines
12 KiB
Go
318 lines
12 KiB
Go
package cli
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"path/filepath"
|
|
"slices"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
const nativeTargetTestServiceID = "22222222-2222-2222-2222-222222222222"
|
|
const nativeTargetOtherServiceID = "11111111-1111-1111-1111-111111111111"
|
|
|
|
func nativeTargetTestGlobal(id, device string) string {
|
|
return fmt.Sprintf("<dictionary> {\n PrimaryInterface : %s\n PrimaryService : %s\n Router : 192.0.0.1\n}", device, id)
|
|
}
|
|
|
|
func nativeTargetTestState() string {
|
|
return "<dictionary> {\n CLAT46 : TRUE\n InterfaceName : en1\n Router : 192.0.0.1\n Addresses : <array> {\n 0 : 192.0.0.2\n }\n}"
|
|
}
|
|
|
|
func nativeTargetTestAddrs(ips ...string) []net.Addr {
|
|
var out []net.Addr
|
|
for _, s := range ips {
|
|
ip, n, err := net.ParseCIDR(s)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
n.IP = ip
|
|
out = append(out, n)
|
|
}
|
|
return out
|
|
}
|
|
|
|
func nativeTargetTestReader(t *testing.T, outputs []string, calls *[]string) nativeTargetReader {
|
|
t.Helper()
|
|
return nativeTargetReader{
|
|
run: func(ctx context.Context, input, path string, args ...string) ([]byte, error) {
|
|
if ctx.Err() != nil {
|
|
return nil, ctx.Err()
|
|
}
|
|
if path == "/usr/sbin/networksetup" && slices.Equal(args, []string{"-listnetworkserviceorder"}) && input == "" {
|
|
input = "networksetup -listnetworkserviceorder"
|
|
} else if path != "/usr/sbin/scutil" || len(args) != 0 {
|
|
t.Fatalf("unexpected command %q %v", path, args)
|
|
}
|
|
*calls = append(*calls, input)
|
|
if len(*calls) > len(outputs) {
|
|
t.Fatalf("unexpected read: %q", input)
|
|
}
|
|
return []byte(outputs[len(*calls)-1]), nil
|
|
},
|
|
interfaceByName: func(name string) (*net.Interface, error) { return &net.Interface{Name: name, Flags: net.FlagUp}, nil },
|
|
interfaceAddrs: func(*net.Interface) ([]net.Addr, error) {
|
|
return nativeTargetTestAddrs("192.0.0.2/32", "2001:db8::1/64"), nil
|
|
},
|
|
}
|
|
}
|
|
|
|
func nativeTargetTestOutputs() []string {
|
|
global := nativeTargetTestGlobal(nativeTargetTestServiceID, "en1")
|
|
return []string{global, nativeTargetTestState(), "<dictionary> {\n UserDefinedName : Primary Wi-Fi\n}", nativeTargetTestServiceOrder("Primary Wi-Fi", "en1"), global}
|
|
}
|
|
|
|
func TestNativeTargetReaderIdentityAndEvidence(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
name string
|
|
change func(*nativeTargetReader, []string)
|
|
want bool
|
|
}{
|
|
{name: "primary UUID exact service", want: true},
|
|
{name: "matching native name does not disambiguate another service on same device", want: false, change: func(_ *nativeTargetReader, out []string) {
|
|
out[3] += "(2) Secondary Wi-Fi\n(Hardware Port: Wi-Fi, Device: en1)\n"
|
|
}},
|
|
{name: "ULA with native proof", want: true, change: func(r *nativeTargetReader, _ []string) {
|
|
r.interfaceAddrs = func(*net.Interface) ([]net.Addr, error) {
|
|
return nativeTargetTestAddrs("192.0.0.2/32", "fd12:3456::1/64"), nil
|
|
}
|
|
}},
|
|
{name: "ULA without native proof", change: func(_ *nativeTargetReader, out []string) { out[1] = strings.Replace(out[1], "TRUE", "FALSE", 1) }},
|
|
{name: "down interface", change: func(r *nativeTargetReader, _ []string) {
|
|
r.interfaceByName = func(name string) (*net.Interface, error) { return &net.Interface{Name: name}, nil }
|
|
}},
|
|
{name: "missing interface", change: func(r *nativeTargetReader, _ []string) {
|
|
r.interfaceByName = func(string) (*net.Interface, error) { return nil, errors.New("gone") }
|
|
}},
|
|
{name: "address error", change: func(r *nativeTargetReader, _ []string) {
|
|
r.interfaceAddrs = func(*net.Interface) ([]net.Addr, error) { return nil, errors.New("gone") }
|
|
}},
|
|
{name: "ordinary IPv4", change: func(r *nativeTargetReader, _ []string) {
|
|
r.interfaceAddrs = func(*net.Interface) ([]net.Addr, error) {
|
|
return nativeTargetTestAddrs("192.0.0.2/32", "2001:db8::1/64", "10.0.0.2/24"), nil
|
|
}
|
|
}},
|
|
{name: "published address mismatch", change: func(_ *nativeTargetReader, out []string) {
|
|
out[1] = strings.Replace(out[1], "192.0.0.2", "192.0.0.5", 1)
|
|
}},
|
|
{name: "wrong device", change: func(_ *nativeTargetReader, out []string) {
|
|
out[0] = nativeTargetTestGlobal(nativeTargetTestServiceID, "en9")
|
|
}},
|
|
{name: "wrong service device", change: func(_ *nativeTargetReader, out []string) { out[1] = strings.Replace(out[1], "en1", "en9", 1) }},
|
|
{name: "invalid UUID", change: func(_ *nativeTargetReader, out []string) { out[0] = nativeTargetTestGlobal("untrusted", "en1") }},
|
|
{name: "primary changed", change: func(_ *nativeTargetReader, out []string) {
|
|
out[4] = nativeTargetTestGlobal(nativeTargetOtherServiceID, "en1")
|
|
}},
|
|
{name: "missing name", change: func(_ *nativeTargetReader, out []string) { out[2] = "No such key" }},
|
|
{name: "DHCP embedded dictionary", change: func(_ *nativeTargetReader, out []string) { out[1] = "DHCPPacket : " + out[1] }},
|
|
{name: "SSID embedded name", change: func(_ *nativeTargetReader, out []string) {
|
|
out[2] = "<dictionary> {\n SSID : network\n UserDefinedName : Primary Wi-Fi\n}"
|
|
}},
|
|
} {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
out := nativeTargetTestOutputs()
|
|
var calls []string
|
|
r := nativeTargetTestReader(t, out, &calls)
|
|
if tc.change != nil {
|
|
tc.change(&r, out)
|
|
}
|
|
got, err := r.defaultService(context.Background(), "en1")
|
|
if (got.ID != "" && err == nil) != tc.want {
|
|
t.Fatalf("service=%+v err=%v calls=%v", got, err, calls)
|
|
}
|
|
if tc.want {
|
|
want := nativeTargetService{ID: nativeTargetTestServiceID, Name: "Primary Wi-Fi", Device: "en1"}
|
|
if got != want {
|
|
t.Fatalf("got %+v want %+v", got, want)
|
|
}
|
|
wantCalls := []string{"show State:/Network/Global/IPv4\nquit\n", "show State:/Network/Service/" + nativeTargetTestServiceID + "/IPv4\nquit\n", "show Setup:/Network/Service/" + nativeTargetTestServiceID + "\nquit\n", "networksetup -listnetworkserviceorder", "show State:/Network/Global/IPv4\nquit\n"}
|
|
if !slices.Equal(calls, wantCalls) {
|
|
t.Fatalf("calls=%v", calls)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestNativeTargetReaderFailuresAndSharedBudget(t *testing.T) {
|
|
for failAt := 1; failAt <= 5; failAt++ {
|
|
t.Run(fmt.Sprint(failAt), func(t *testing.T) {
|
|
var calls []string
|
|
r := nativeTargetTestReader(t, nativeTargetTestOutputs(), &calls)
|
|
run := r.run
|
|
count := 0
|
|
r.run = func(ctx context.Context, input, path string, args ...string) ([]byte, error) {
|
|
count++
|
|
if count == failAt {
|
|
return nil, errors.New("read failed")
|
|
}
|
|
return run(ctx, input, path, args...)
|
|
}
|
|
if got, err := r.defaultService(context.Background(), "en1"); got.ID != "" || err == nil || count != failAt {
|
|
t.Fatalf("got=%v err=%v count=%d", got, err, count)
|
|
}
|
|
})
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
|
|
defer cancel()
|
|
var calls []string
|
|
r := nativeTargetTestReader(t, nativeTargetTestOutputs(), &calls)
|
|
run := r.run
|
|
r.run = func(actual context.Context, input, path string, args ...string) ([]byte, error) {
|
|
if actual != ctx {
|
|
t.Fatal("reader renewed the shared context")
|
|
}
|
|
out, err := run(actual, input, path, args...)
|
|
if len(calls) == 2 {
|
|
cancel()
|
|
}
|
|
return out, err
|
|
}
|
|
if got, err := r.defaultService(ctx, "en1"); got.ID != "" || !errors.Is(err, context.Canceled) {
|
|
t.Fatalf("got=%v err=%v", got, err)
|
|
}
|
|
if len(calls) != 2 {
|
|
t.Fatalf("reads after cancellation: %v", calls)
|
|
}
|
|
}
|
|
|
|
func TestNativeServiceNameStrict(t *testing.T) {
|
|
for _, name := range []string{"Wi-Fi", "iPhone USB", "Office : Wi-Fi", "Téléphone", "Wi-Fi ", " Wi-Fi"} {
|
|
got, err := parseNativeServiceName("<dictionary> {\n UserDefinedName : " + name + "\n}")
|
|
if err != nil || got != name {
|
|
t.Fatalf("%q: %q %v", name, got, err)
|
|
}
|
|
}
|
|
for _, out := range []string{"", "No such key", "<dictionary> {\n UserDefinedName : \n}", "<dictionary> {\n UserDefinedName : Wi-Fi\n UserDefinedName : Evil\n}", "<dictionary> {\n DHCPPacket : <dictionary> {\n UserDefinedName : Evil\n}\n}", "<dictionary> {\n UserDefinedName : ../bad\n}"} {
|
|
if _, err := parseNativeServiceName(out); err == nil {
|
|
t.Fatalf("accepted %q", out)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Exercise the real exec runner without macOS tools or host network effects.
|
|
func TestNativeTargetCommandHelper(t *testing.T) {
|
|
i := slices.Index(os.Args, "--native-target-helper")
|
|
if i < 0 {
|
|
return
|
|
}
|
|
switch os.Args[i+1] {
|
|
case "large":
|
|
_, _ = os.Stdout.Write([]byte(strings.Repeat("x", nativeTargetMaxOutput+1)))
|
|
case "exact":
|
|
_, _ = os.Stdout.Write([]byte(strings.Repeat("x", nativeTargetMaxOutput)))
|
|
case "slow":
|
|
time.Sleep(10 * time.Second)
|
|
case "fail":
|
|
fmt.Print("<dictionary> {}")
|
|
os.Exit(1)
|
|
default:
|
|
fmt.Print("ok")
|
|
}
|
|
os.Exit(0)
|
|
}
|
|
|
|
func TestNativeTargetCommandBounds(t *testing.T) {
|
|
for _, mode := range []string{"ok", "exact", "large", "slow", "fail"} {
|
|
t.Run(mode, func(t *testing.T) {
|
|
budget := 3 * time.Second
|
|
if mode == "slow" {
|
|
budget = 100 * time.Millisecond
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), budget)
|
|
defer cancel()
|
|
start := time.Now()
|
|
out, err := runNativeTargetCommand(ctx, "", os.Args[0], "-test.run=^TestNativeTargetCommandHelper$", "--", "--native-target-helper", mode)
|
|
if mode == "ok" || mode == "exact" {
|
|
want := 2
|
|
if mode == "exact" {
|
|
want = nativeTargetMaxOutput
|
|
}
|
|
if err != nil || len(out) != want {
|
|
t.Fatalf("len=%d err=%v", len(out), err)
|
|
}
|
|
} else if err == nil || out != nil {
|
|
t.Fatalf("accepted incomplete evidence len=%d err=%v", len(out), err)
|
|
}
|
|
if time.Since(start) > budget+2*time.Second {
|
|
t.Fatal("command exceeded deadline slack")
|
|
}
|
|
})
|
|
}
|
|
var out nativeTargetOutput
|
|
if _, err := out.Write([]byte(strings.Repeat("x", nativeTargetMaxOutput))); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := out.Write([]byte("x")); !errors.Is(err, errNativeTargetOutputLimit) || out.buf.Len() != nativeTargetMaxOutput {
|
|
t.Fatalf("unbounded writer: %d %v", out.buf.Len(), err)
|
|
}
|
|
}
|
|
|
|
func TestSaveTargetStaticDNSSnapshotRetainedBackup(t *testing.T) {
|
|
for _, content := range []string{"", "2001:db8::53", "corrupt", "10.0.0.53"} {
|
|
t.Run(content, func(t *testing.T) {
|
|
path := filepath.Join(t.TempDir(), "backup")
|
|
if err := os.WriteFile(path, []byte(content), 0600); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err := saveTargetStaticDNSSnapshot(path, []string{"10.0.0.53"}, "10.0.0.53")
|
|
wantErr := content == "corrupt" || content == "10.0.0.53"
|
|
if (err != nil) != wantErr {
|
|
t.Fatalf("retained %q: %v", content, err)
|
|
}
|
|
if got, readErr := os.ReadFile(path); readErr != nil || string(got) != content {
|
|
t.Fatalf("retained backup changed: %q %v", got, readErr)
|
|
}
|
|
})
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(t.TempDir(), []string{"10.0.0.53"}, "10.0.0.53"); err == nil {
|
|
t.Fatal("unreadable retained backup accepted")
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(filepath.Join(t.TempDir(), "missing"), []string{"10.0.0.53"}, "10.0.0.53"); err != nil {
|
|
t.Fatal("original automatic DNS rejected", err)
|
|
}
|
|
}
|
|
|
|
func TestSaveTargetStaticDNSSnapshot(t *testing.T) {
|
|
path := filepath.Join(t.TempDir(), "backup")
|
|
original := "2001:db8::53"
|
|
if err := saveTargetStaticDNSSnapshot(path, []string{original}, ""); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, []string{"10.0.0.53"}, "10.0.0.53"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got, err := os.ReadFile(path); err != nil || string(got) != original {
|
|
t.Fatalf("owned value replaced original: %q %v", got, err)
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, []string{"bad"}, ""); err == nil {
|
|
t.Fatal("invalid snapshot accepted")
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, nil, ""); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := os.Stat(path); !errors.Is(err, os.ErrNotExist) {
|
|
t.Fatal("empty snapshot left stale backup")
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, nil, ""); err != nil {
|
|
t.Fatal("missing backup removal should succeed", err)
|
|
}
|
|
if err := os.Mkdir(path, 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(path, "block"), nil, 0600); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, nil, ""); err == nil {
|
|
t.Fatal("remove failure swallowed")
|
|
}
|
|
if err := saveTargetStaticDNSSnapshot(path, []string{original}, ""); err == nil {
|
|
t.Fatal("write failure swallowed")
|
|
}
|
|
}
|