fix(auth): harden interactive diagnostic lifecycle

This commit is contained in:
2026-08-17 17:57:10 +02:00
parent ef244ab56d
commit af16464e68
9 changed files with 576 additions and 59 deletions
+62 -2
View File
@@ -273,8 +273,68 @@ test("clears a previous authentication result as soon as validation is retried",
await waitFor(() => expect(calls).toBe(2));
expect(screen.queryByTestId("workspace-authentication")).not.toBeInTheDocument();
releaseRetry();
expect(await screen.findByTestId("workspace-authentication")).toBeVisible();
releaseRetry();
expect(await screen.findByTestId("workspace-authentication")).toBeVisible();
});
test("ignores an older validation response that completes after a newer connection test", async () => {
const user = userEvent.setup();
let releaseValidation!: () => void;
let releaseTest!: () => void;
let validationStarted!: () => void;
let testStarted!: () => void;
let validationSettled!: () => void;
const heldValidation = new Promise<void>((resolve) => { releaseValidation = resolve; });
const heldTest = new Promise<void>((resolve) => { releaseTest = resolve; });
const validationRequestStarted = new Promise<void>((resolve) => { validationStarted = resolve; });
const testRequestStarted = new Promise<void>((resolve) => { testStarted = resolve; });
const validationRequestSettled = new Promise<void>((resolve) => { validationSettled = resolve; });
server.use(
http.post("/api/workspaces/validate", async () => {
validationStarted();
try {
await heldValidation;
return HttpResponse.json({
workspace, contract: {}, activatable: true, diagnostics: [], authentication: readyAuthentication,
});
} finally {
validationSettled();
}
}),
http.post("/api/workspaces/psd-clinical/test", async () => {
testStarted();
await heldTest;
return HttpResponse.json({
activatable: false,
diagnostics: [],
authentication: {
ready: false,
mode: "oidc",
checks: [{ level: "error", code: "oidc_secret_missing", message: "Newer connection result." }],
},
});
}),
);
renderManager();
await user.click(await screen.findByRole("button", { name: "PSD Clinical" }));
await user.click(screen.getByRole("button", { name: "Validate workspace source" }));
await validationRequestStarted;
await user.click(screen.getByRole("button", { name: "Test workspace connections" }));
await testRequestStarted;
expect(screen.queryByTestId("workspace-authentication")).not.toBeInTheDocument();
act(() => releaseTest());
const authentication = await screen.findByTestId("workspace-authentication");
expect(within(authentication).getByText(/Newer connection result/)).toBeVisible();
act(() => releaseValidation());
await act(async () => {
await validationRequestSettled;
await new Promise((resolve) => { setTimeout(resolve, 50); });
});
expect(within(authentication).getByText(/Newer connection result/)).toBeVisible();
expect(within(authentication).queryByText("Passed")).not.toBeInTheDocument();
});
test("never renders a hostile authentication field rejected by the API decoder", async () => {
+15 -6
View File
@@ -85,6 +85,7 @@ export function WorkspaceManager({
const [authentication, setAuthentication] = useState<AuthDiagnostics>();
const [busyAction, setBusyAction] = useState<string>();
const operationEpochRef = useRef(0);
const diagnosticEpochRef = useRef(0);
const selectedIdRef = useRef(selectedId);
selectedIdRef.current = selectedId;
useEffect(() => () => { operationEpochRef.current += 1; }, []);
@@ -192,6 +193,7 @@ export function WorkspaceManager({
if (!detailQuery.data) return;
const guard = captureAuthOperation({ sessionId: selectedId, disposalEpoch: operationEpochRef.current });
if (!guard) return;
const diagnosticEpoch = ++diagnosticEpochRef.current;
setBusyAction("validate");
clearGlobalMessages();
setAuthentication(undefined);
@@ -199,15 +201,18 @@ export function WorkspaceManager({
setValidationDiagnostics([]);
try {
const result = await validateWorkspace(detailQuery.data.workspace);
if (!isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) return;
if (diagnosticEpoch !== diagnosticEpochRef.current ||
!isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) return;
setAuthentication(result.authentication);
setValidationNotice(result.activatable ? "Workspace source and authentication are valid." : "Workspace source is valid.");
} catch (error) {
if (isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) {
if (diagnosticEpoch === diagnosticEpochRef.current &&
isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) {
setValidationDiagnostics([publicError(error, "workspace_invalid: Workspace validation could not be completed")]);
}
} finally {
if (isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) setBusyAction(undefined);
if (diagnosticEpoch === diagnosticEpochRef.current &&
isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) setBusyAction(undefined);
}
}
@@ -216,6 +221,7 @@ export function WorkspaceManager({
const targetId = selectedId;
const guard = captureAuthOperation({ sessionId: targetId, disposalEpoch: operationEpochRef.current });
if (!guard) return;
const diagnosticEpoch = ++diagnosticEpochRef.current;
setBusyAction("test");
clearGlobalMessages();
setAuthentication(undefined);
@@ -223,7 +229,8 @@ export function WorkspaceManager({
setConnectionDiagnostics([]);
try {
const result = await testWorkspace(selectedId);
if (!isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) return;
if (diagnosticEpoch !== diagnosticEpochRef.current ||
!isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) return;
setAuthentication(result.authentication);
const issues = result.diagnostics.filter(({ level }) => level !== "info");
const informational = result.diagnostics.find(({ level }) => level === "info");
@@ -236,11 +243,13 @@ export function WorkspaceManager({
: "Workspace connection test completed.");
}
} catch (error) {
if (isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) {
if (diagnosticEpoch === diagnosticEpochRef.current &&
isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) {
setConnectionDiagnostics([publicError(error, "connector_unavailable: Workspace connections could not be tested")]);
}
} finally {
if (isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) setBusyAction(undefined);
if (diagnosticEpoch === diagnosticEpochRef.current &&
isAuthOperationCurrent(guard, { sessionId: selectedIdRef.current, disposalEpoch: operationEpochRef.current })) setBusyAction(undefined);
}
}
+121 -33
View File
@@ -16,6 +16,7 @@ import (
"os/exec"
"path/filepath"
"strings"
"sync"
"time"
"unicode"
"unicode/utf16"
@@ -37,6 +38,10 @@ const interactiveAuthCheckTimeout = 12 * time.Minute
const maxAuthDiagnosticOutputBytes = 64 * 1024
const maxDevicePromptLineBytes = 4 * 1024
const maxDeviceVerificationURIBytes = 2 * 1024
var errCommandRefused = errors.New("authentication command refused")
var writeNewAuthFile = safeio.WriteCanonicalNewFile
@@ -131,14 +136,11 @@ func checkCommand(ctx context.Context, installation config.Installation, args []
if err != nil {
return authFailure(stderr, authMessage(err))
}
report, prompt, err := runCheck(ctx, installation, runner, interactive, false)
report, err := runCheck(ctx, installation, runner, interactive, false, stderr)
if err != nil {
fmt.Fprintln(stderr, "tht: authentication diagnostics could not be completed")
return 1
}
if interactive && prompt != "" {
fmt.Fprintln(stderr, prompt)
}
if jsonMode {
if err := json.NewEncoder(stdout).Encode(report); err != nil {
fmt.Fprintln(stderr, "tht: authentication diagnostic report could not be written")
@@ -292,28 +294,102 @@ func sanitizeAuthDiagnostics(report AuthDiagnostics, secrets []string) AuthDiagn
return report
}
func devicePrompt(stderr string, secrets []string) string {
if len(stderr) > maxAuthDiagnosticOutputBytes {
type devicePromptStream struct {
mu sync.Mutex
pending []byte
discarding bool
emitted bool
secrets []string
output io.Writer
writeErr error
}
func newDevicePromptStream(secrets []string, outputWriter io.Writer) *devicePromptStream {
return &devicePromptStream{
pending: make([]byte, 0, 256), secrets: append([]string(nil), secrets...), output: outputWriter,
}
}
func (stream *devicePromptStream) Observe(chunk []byte) {
stream.mu.Lock()
defer stream.mu.Unlock()
for _, value := range chunk {
if value == '\n' {
if !stream.discarding {
stream.emitLineLocked(string(stream.pending))
}
stream.pending = stream.pending[:0]
stream.discarding = false
continue
}
if stream.discarding {
continue
}
if len(stream.pending) >= maxDevicePromptLineBytes {
stream.pending = stream.pending[:0]
stream.discarding = true
continue
}
stream.pending = append(stream.pending, value)
}
}
func (stream *devicePromptStream) Finish() error {
stream.mu.Lock()
defer stream.mu.Unlock()
if !stream.discarding && len(stream.pending) > 0 {
stream.emitLineLocked(string(stream.pending))
}
stream.pending = nil
stream.discarding = false
return stream.writeErr
}
func (stream *devicePromptStream) emitLineLocked(line string) {
if stream.emitted || stream.output == nil {
return
}
prompt := parseDevicePromptLine(output.Sanitize(line, stream.secrets))
if prompt == "" {
return
}
stream.emitted = true
if _, err := fmt.Fprintln(stream.output, prompt); err != nil {
stream.writeErr = errors.New("authentication device prompt could not be written")
}
}
func parseDevicePromptLine(line string) string {
const prefix = "Open "
const separator = " and enter code "
if len(line) == 0 || len(line) > maxDevicePromptLineBytes || !utf8.ValidString(line) ||
strings.TrimSpace(line) != line || !strings.HasPrefix(line, prefix) {
return ""
}
for _, line := range strings.Split(output.Sanitize(stderr, secrets), "\n") {
const prefix = "Open "
const separator = " and enter code "
if !strings.HasPrefix(line, prefix) {
continue
for _, character := range line {
if unicode.IsControl(character) {
return ""
}
parts := strings.Split(strings.TrimPrefix(line, prefix), separator)
if len(parts) != 2 || !validDeviceVerificationURI(parts[0]) || !validDeviceUserCode(parts[1]) {
continue
}
return prefix + parts[0] + separator + parts[1]
}
return ""
payload := strings.TrimPrefix(line, prefix)
if strings.Count(payload, separator) != 1 {
return ""
}
verificationURI, userCode, found := strings.Cut(payload, separator)
if !found || !validDeviceVerificationURI(verificationURI) || !validDeviceUserCode(userCode) {
return ""
}
return prefix + verificationURI + separator + userCode
}
func validDeviceVerificationURI(value string) bool {
if len(value) == 0 || len(value) > maxDeviceVerificationURIBytes || !utf8.ValidString(value) {
return false
}
parsed, err := url.Parse(value)
return err == nil && parsed.Scheme == "https" && parsed.Host != "" && parsed.User == nil && parsed.Fragment == ""
return err == nil && parsed.IsAbs() && parsed.Scheme == "https" && parsed.Host != "" &&
parsed.Hostname() != "" && parsed.User == nil && parsed.Opaque == "" && parsed.Fragment == "" &&
!strings.ContainsAny(value, " \t\r\n")
}
func validDeviceUserCode(value string) bool {
@@ -334,17 +410,16 @@ func validDeviceUserCode(value string) bool {
// Check invokes the exact backend diagnostic command. Normal host checks always use one-shot
// Compose execution; aggregate doctor passes useRunningCore=true only after confirming core runs.
func Check(ctx context.Context, installation config.Installation, runner compose.Runner, interactive, useRunningCore bool) (AuthDiagnostics, error) {
report, _, err := runCheck(ctx, installation, runner, interactive, useRunningCore)
return report, err
return runCheck(ctx, installation, runner, interactive, useRunningCore, nil)
}
func runCheck(ctx context.Context, installation config.Installation, runner compose.Runner, interactive, useRunningCore bool) (AuthDiagnostics, string, error) {
func runCheck(ctx context.Context, installation config.Installation, runner compose.Runner, interactive, useRunningCore bool, promptOutput io.Writer) (AuthDiagnostics, error) {
if runner == nil {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic runner is unavailable")
return AuthDiagnostics{}, errors.New("authentication diagnostic runner is unavailable")
}
secrets, err := authenticationSecretValues(installation)
if err != nil {
return AuthDiagnostics{}, "", err
return AuthDiagnostics{}, err
}
timeout := authCheckTimeout
if interactive {
@@ -356,35 +431,48 @@ func runCheck(ctx context.Context, installation config.Installation, runner comp
if !useRunningCore {
containerName, err := compose.NewOneShotContainerName("thothii-auth-check")
if err != nil {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic command failed")
return AuthDiagnostics{}, errors.New("authentication diagnostic command failed")
}
command = []string{"run", "--rm", "--no-deps", "--no-TTY", "--name", containerName, "core", "node", "dist/auth/diagnostic-command.js", "--json"}
}
if interactive {
command = append(command, "--interactive")
}
result, err := compose.RunBounded(runner, bounded, installation.ComposeArgs(command...), nil, compose.CaptureLimits{
var promptStream *devicePromptStream
var stderrObserver func([]byte)
if interactive && promptOutput != nil {
promptStream = newDevicePromptStream(secrets, promptOutput)
stderrObserver = promptStream.Observe
}
result, err := compose.RunBoundedStreaming(runner, bounded, installation.ComposeArgs(command...), nil, compose.CaptureLimits{
StdoutBytes: maxAuthDiagnosticOutputBytes,
StderrBytes: maxAuthDiagnosticOutputBytes,
})
}, stderrObserver)
if promptStream != nil {
if promptErr := promptStream.Finish(); promptErr != nil {
return AuthDiagnostics{}, promptErr
}
}
var exitError *exec.ExitError
validProcessOutcome := result.ExitCode == 0 && err == nil ||
result.ExitCode == 1 && (err == nil || errors.As(err, &exitError))
unsafeLifecycle := errors.Is(err, compose.ErrOutputLimit) || errors.Is(err, compose.ErrProcessReap) ||
errors.Is(err, compose.ErrContainerCleanup) || errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded)
validProcessOutcome := !unsafeLifecycle && (result.ExitCode == 0 && err == nil ||
result.ExitCode == 1 && (err == nil || errors.As(err, &exitError)))
if !validProcessOutcome {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic command failed")
return AuthDiagnostics{}, errors.New("authentication diagnostic command failed")
}
report, decodeErr := decodeAuthDiagnostics(result.Stdout)
if decodeErr != nil {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic report is invalid")
return AuthDiagnostics{}, errors.New("authentication diagnostic report is invalid")
}
if report.Ready != (result.ExitCode == 0) {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic command failed")
return AuthDiagnostics{}, errors.New("authentication diagnostic command failed")
}
safe := sanitizeAuthDiagnostics(report, secrets)
if !validAuthDiagnostics(safe) {
return AuthDiagnostics{}, "", errors.New("authentication diagnostic report is invalid")
return AuthDiagnostics{}, errors.New("authentication diagnostic report is invalid")
}
return safe, devicePrompt(result.Stderr, secrets), nil
return safe, nil
}
func authFailure(stderr io.Writer, message string) int {
+132 -1
View File
@@ -9,7 +9,9 @@ import (
"os"
"path/filepath"
"strings"
"sync"
"testing"
"time"
"github.com/aritmolab/thothii/tools/tht/internal/compose"
"github.com/aritmolab/thothii/tools/tht/internal/config"
@@ -49,6 +51,7 @@ func TestAuthCheckRunsOneShotCoreDiagnosticWithPristineJSON(t *testing.T) {
func TestAuthCheckEmitsValidFailedReportFromRealExitError(t *testing.T) {
installation := authInstallation(newAuthDirectory(t))
runner := compose.NewRunner(writeAuthExecutable(t, `#!/bin/sh
if [ "$1" = "container" ]; then exit 0; fi
printf '%s\n' '{"ready":false,"mode":"oidc","checks":[{"level":"error","code":"oidc_secret_missing","message":"A required OIDC or group catalog secret is unavailable."}]}'
exit 1
`))
@@ -187,6 +190,90 @@ func TestAuthCheckInteractiveForwardsOnlyTheValidatedDevicePrompt(t *testing.T)
assertAuthOneShotCommand(t, installation, calls[0], true)
}
func TestAuthCheckInteractiveStreamsOnlyASanitizedPromptBeforePollingCompletes(t *testing.T) {
installation := authInstallation(newAuthDirectory(t))
root := filepath.Dir(installation.EnvFile)
secretFile := filepath.Join(root, "prompt-secret")
if err := os.WriteFile(secretFile, []byte("prompt-secret-sentinel"), 0o600); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(installation.EnvFile, []byte("PROMPT_TOKEN_FILE="+secretFile+"\n"), 0o600); err != nil {
t.Fatal(err)
}
started := filepath.Join(root, "started")
release := filepath.Join(root, "release")
t.Setenv("THT_AUTH_STREAM_STARTED", started)
t.Setenv("THT_AUTH_STREAM_RELEASE", release)
runner := compose.NewRunner(writeAuthExecutable(t, `#!/bin/sh
if [ "$1" = "container" ]; then exit 0; fi
printf '%s\n' 'untrusted prompt-secret-sentinel child output' >&2
printf '%s' 'Open https://issuer.example.test/device?token=' >&2
printf '%s\n' 'prompt-secret-sentinel and enter code ABCD-EFGH' >&2
: > "$THT_AUTH_STREAM_STARTED"
while [ ! -f "$THT_AUTH_STREAM_RELEASE" ]; do sleep 0.01; done
printf '%s\n' '{"ready":true,"mode":"oidc","checks":[{"level":"info","code":"auth_ready","message":"Authentication is ready."}]}'
`))
var stdout bytes.Buffer
stderr := &synchronizedBuffer{}
done := make(chan int, 1)
go func() {
done <- RunWithRunner(context.Background(), installation, []string{"check", "--json", "--interactive"}, strings.NewReader(""), &stdout, stderr, runner)
}()
if !waitForFile(started, 5*time.Second) {
t.Fatal("interactive diagnostic did not start")
}
deadline := time.Now().Add(2 * time.Second)
streamed := false
for time.Now().Before(deadline) {
if stderr.String() == "Open https://issuer.example.test/device?token=[REDACTED] and enter code ABCD-EFGH\n" {
streamed = true
break
}
time.Sleep(10 * time.Millisecond)
}
if err := os.WriteFile(release, []byte("release"), 0o600); err != nil {
t.Fatal(err)
}
select {
case code := <-done:
if code != 0 {
t.Fatalf("interactive auth check = %d, stdout=%q stderr=%q", code, stdout.String(), stderr.String())
}
case <-time.After(5 * time.Second):
t.Fatal("interactive diagnostic did not finish")
}
if !streamed {
t.Fatalf("device prompt was not streamed before polling completed: stderr=%q", stderr.String())
}
if strings.Contains(stderr.String(), "prompt-secret-sentinel") || strings.Contains(stderr.String(), "untrusted") {
t.Fatalf("interactive auth leaked raw child stderr: %q", stderr.String())
}
if !json.Valid(stdout.Bytes()) {
t.Fatalf("interactive JSON stdout is not pristine: %q", stdout.String())
}
}
func TestDevicePromptGrammarRejectsUnboundedAmbiguousOrUnsafeLines(t *testing.T) {
valid := "Open https://issuer.example.test/device?tenant=one and enter code ABCD-EFGH"
if got := parseDevicePromptLine(valid); got != valid {
t.Fatalf("valid prompt = %q, want %q", got, valid)
}
for _, line := range []string{
"Open http://issuer.example.test/device and enter code ABCD-EFGH",
"Open https://user@issuer.example.test/device and enter code ABCD-EFGH",
"Open https://issuer.example.test/device#fragment and enter code ABCD-EFGH",
"Open https://issuer.example.test/device and enter code ABCD-EFGH and enter code IJKL-MNOP",
"Open https://issuer.example.test/device and enter code ABCD EFGH",
"Open https://issuer.example.test/device\r and enter code ABCD-EFGH",
"Open https://issuer.example.test/" + strings.Repeat("a", maxDevicePromptLineBytes) + " and enter code ABCD-EFGH",
} {
if prompt := parseDevicePromptLine(line); prompt != "" {
t.Fatalf("unsafe prompt accepted: %q", prompt)
}
}
}
func TestAuthCheckFailsBeforeExecutionWhenDeclaredSecretCorpusIsIncomplete(t *testing.T) {
installation := authInstallation(newAuthDirectory(t))
installation.EnvFile = filepath.Join(t.TempDir(), "operator.env")
@@ -201,13 +288,29 @@ func TestAuthCheckFailsBeforeExecutionWhenDeclaredSecretCorpusIsIncomplete(t *te
})
var stdout, stderr bytes.Buffer
code := RunWithRunner(context.Background(), installation, []string{"check", "--json"}, strings.NewReader(""), &stdout, &stderr, runner)
code := RunWithRunner(context.Background(), installation, []string{"check", "--json", "--interactive"}, strings.NewReader(""), &stdout, &stderr, runner)
if code != 1 || calls != 0 || stdout.Len() != 0 || stderr.String() != "tht: authentication diagnostics could not be completed\n" {
t.Fatalf("incomplete corpus was not refused before execution: code=%d calls=%d stdout=%q stderr=%q", code, calls, stdout.String(), stderr.String())
}
}
func TestAuthCheckRejectsAValidReportWhenOneShotCleanupFails(t *testing.T) {
runner := runnerFunc(func(_ context.Context, _ []string, _ io.Reader) (compose.Result, error) {
return compose.Result{
Stdout: `{"ready":true,"mode":"oidc","checks":[{"level":"info","code":"auth_ready","message":"Authentication is ready."}]}`,
ExitCode: 0,
}, compose.ErrContainerCleanup
})
var stdout, stderr bytes.Buffer
code := RunWithRunner(context.Background(), authInstallation(newAuthDirectory(t)), []string{"check", "--json"}, strings.NewReader(""), &stdout, &stderr, runner)
if code != 1 || stdout.Len() != 0 || stderr.String() != "tht: authentication diagnostics could not be completed\n" {
t.Fatalf("cleanup failure accepted: code=%d stdout=%q stderr=%q", code, stdout.String(), stderr.String())
}
}
func TestAuthCheckRedactsFailedCoreOutputAndRejectsMalformedReports(t *testing.T) {
installation := authInstallation(newAuthDirectory(t))
secretPath := filepath.Join(t.TempDir(), "auth-check-secret")
@@ -249,6 +352,34 @@ func (run runnerFunc) Run(ctx context.Context, args []string, input io.Reader) (
return run(ctx, args, input)
}
type synchronizedBuffer struct {
mu sync.Mutex
buffer bytes.Buffer
}
func (b *synchronizedBuffer) Write(value []byte) (int, error) {
b.mu.Lock()
defer b.mu.Unlock()
return b.buffer.Write(value)
}
func (b *synchronizedBuffer) String() string {
b.mu.Lock()
defer b.mu.Unlock()
return b.buffer.String()
}
func waitForFile(path string, timeout time.Duration) bool {
deadline := time.Now().Add(timeout)
for time.Now().Before(deadline) {
if _, err := os.Stat(path); err == nil {
return true
}
time.Sleep(10 * time.Millisecond)
}
return false
}
func assertAuthOneShotCommand(t *testing.T, installation config.Installation, got []string, interactive bool) {
t.Helper()
prefix := installation.ComposeArgs("run", "--rm", "--no-deps", "--no-TTY", "--name")
@@ -3,12 +3,16 @@
package compose
import (
"context"
"io"
"os/exec"
"strconv"
"syscall"
"time"
)
const finalTerminationBound = 2 * time.Second
const processTreeTerminationBound = 2 * time.Second
const createNewProcessGroup = 0x00000200
func configureProcess(command *exec.Cmd) {
@@ -19,11 +23,34 @@ func terminateProcess(command *exec.Cmd, done <-chan error) error {
if command.Process == nil {
return nil
}
treeErr := terminateWindowsProcessTree(command.Process.Pid)
_ = command.Process.Kill()
select {
case <-done:
if treeErr != nil {
return ErrProcessReap
}
return nil
case <-time.After(finalTerminationBound):
return ErrProcessReap
}
}
func terminateWindowsProcessTree(pid int) error {
ctx, cancel := context.WithTimeout(context.Background(), processTreeTerminationBound)
defer cancel()
command := windowsTreeKillCommand(ctx, pid)
command.Stdout = io.Discard
command.Stderr = io.Discard
if err := command.Run(); err != nil {
return ErrProcessReap
}
if ctx.Err() != nil {
return ErrProcessReap
}
return nil
}
func windowsTreeKillCommand(ctx context.Context, pid int) *exec.Cmd {
return exec.CommandContext(ctx, "taskkill.exe", "/PID", strconv.Itoa(pid), "/T", "/F")
}
@@ -0,0 +1,28 @@
package compose
import (
"os"
"strings"
"testing"
)
func TestWindowsTerminationUsesBoundedExactPIDTreeKillWithoutAShell(t *testing.T) {
source, err := os.ReadFile("process_windows.go")
if err != nil {
t.Fatal(err)
}
text := string(source)
for _, required := range []string{
"context.WithTimeout", "exec.CommandContext", `"taskkill.exe"`, `"/PID"`,
"strconv.Itoa", `"/T"`, `"/F"`, "io.Discard", "ErrProcessReap",
} {
if !strings.Contains(text, required) {
t.Errorf("process_windows.go is missing %q", required)
}
}
for _, forbidden := range []string{"cmd.exe", "powershell", `exec.Command("taskkill.exe"`} {
if strings.Contains(strings.ToLower(text), strings.ToLower(forbidden)) {
t.Errorf("process_windows.go contains unsafe command form %q", forbidden)
}
}
}
@@ -0,0 +1,17 @@
//go:build windows
package compose
import (
"context"
"reflect"
"testing"
)
func TestWindowsTreeKillCommandUsesExactPIDArgumentArray(t *testing.T) {
command := windowsTreeKillCommand(context.Background(), 4242)
want := []string{"taskkill.exe", "/PID", "4242", "/T", "/F"}
if !reflect.DeepEqual(command.Args, want) {
t.Fatalf("taskkill args = %#v, want %#v", command.Args, want)
}
}
+66 -16
View File
@@ -55,6 +55,10 @@ type boundedRunner interface {
RunBounded(context.Context, []string, io.Reader, CaptureLimits) (Result, error)
}
type boundedStreamingRunner interface {
RunBoundedStreaming(context.Context, []string, io.Reader, CaptureLimits, func([]byte)) (Result, error)
}
// execRunner executes the Docker CLI. It never invokes a shell.
type execRunner struct {
binary string
@@ -78,10 +82,16 @@ func (r execRunner) Run(ctx context.Context, args []string, stdin io.Reader) (Re
// RunBounded invokes Docker while enforcing both stream limits during capture.
func (r execRunner) RunBounded(ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits) (Result, error) {
return r.runBounded(ctx, args, stdin, limits, true)
return r.runBounded(ctx, args, stdin, limits, true, nil)
}
func (r execRunner) runBounded(ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits, manageOneShot bool) (Result, error) {
// RunBoundedStreaming retains bounded stderr capture while synchronously observing only the
// retained prefix. It is used for the one validated interactive device-flow prompt.
func (r execRunner) RunBoundedStreaming(ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits, stderrObserver func([]byte)) (Result, error) {
return r.runBounded(ctx, args, stdin, limits, true, stderrObserver)
}
func (r execRunner) runBounded(ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits, manageOneShot bool, stderrObserver func([]byte)) (Result, error) {
if err := validCaptureLimits(limits); err != nil {
return Result{}, err
}
@@ -101,8 +111,8 @@ func (r execRunner) runBounded(ctx context.Context, args []string, stdin io.Read
configureProcess(command)
command.Stdin = stdin
overflow := make(chan struct{}, 1)
stdout := newCappedBuffer(limits.StdoutBytes, overflow)
stderr := newCappedBuffer(limits.StderrBytes, overflow)
stdout := newCappedBuffer(limits.StdoutBytes, overflow, nil)
stderr := newCappedBuffer(limits.StderrBytes, overflow, stderrObserver)
command.Stdout = stdout
command.Stderr = stderr
if err := command.Start(); err != nil {
@@ -128,7 +138,7 @@ func (r execRunner) runBounded(ctx context.Context, args []string, stdin io.Read
lifecycleErr = errors.Join(lifecycleErr, ErrProcessReap)
}
}
if interrupted && containerName != "" {
if containerName != "" {
if err := r.cleanupOneShotContainer(containerName); err != nil {
lifecycleErr = errors.Join(lifecycleErr, ErrContainerCleanup)
}
@@ -138,20 +148,27 @@ func (r execRunner) runBounded(ctx context.Context, args []string, stdin io.Read
result.ExitCode = command.ProcessState.ExitCode()
}
if stdout.Overflowed() || stderr.Overflowed() {
return result, errors.Join(ErrOutputLimit, lifecycleErr)
return result, joinLifecycleError(ErrOutputLimit, lifecycleErr)
}
if interrupted {
return result, errors.Join(processErr, lifecycleErr)
return result, joinLifecycleError(processErr, lifecycleErr)
}
if processErr == nil {
return result, nil
return result, lifecycleErr
}
var exitError *exec.ExitError
if errors.As(processErr, &exitError) {
result.ExitCode = exitError.ExitCode()
return result, processErr
return result, joinLifecycleError(processErr, lifecycleErr)
}
return result, processErr
return result, joinLifecycleError(processErr, lifecycleErr)
}
func joinLifecycleError(processErr, lifecycleErr error) error {
if lifecycleErr == nil {
return processErr
}
return errors.Join(processErr, lifecycleErr)
}
// NewOneShotContainerName returns a Docker-safe, cross-process unique name with a bounded prefix.
@@ -253,7 +270,7 @@ func (r execRunner) cleanupOneShotContainer(name string) error {
return nil
}
limits := CaptureLimits{StdoutBytes: cleanupCaptureBytes, StderrBytes: cleanupCaptureBytes}
if _, err := r.runBounded(ctx, []string{"container", "rm", "-f", name}, nil, limits, false); err != nil {
if _, err := r.runBounded(ctx, []string{"container", "rm", "-f", name}, nil, limits, false, nil); err != nil {
return ErrContainerCleanup
}
exists, err = r.oneShotContainerExists(ctx, name)
@@ -267,7 +284,7 @@ func (r execRunner) oneShotContainerExists(ctx context.Context, name string) (bo
limits := CaptureLimits{StdoutBytes: cleanupCaptureBytes, StderrBytes: cleanupCaptureBytes}
result, err := r.runBounded(ctx, []string{
"container", "ls", "--all", "--quiet", "--filter", "name=^/" + name + "$",
}, nil, limits, false)
}, nil, limits, false, nil)
if err != nil {
return false, ErrContainerCleanup
}
@@ -294,6 +311,22 @@ func RunBounded(runner Runner, ctx context.Context, args []string, stdin io.Read
return result, err
}
// RunBoundedStreaming uses the production runner's during-capture observer. Compatibility
// runners are observed only after their already-bounded result returns.
func RunBoundedStreaming(runner Runner, ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits, stderrObserver func([]byte)) (Result, error) {
if err := validCaptureLimits(limits); err != nil {
return Result{}, err
}
if streaming, ok := runner.(boundedStreamingRunner); ok {
return streaming.RunBoundedStreaming(ctx, args, stdin, limits, stderrObserver)
}
result, err := RunBounded(runner, ctx, args, stdin, limits)
if stderrObserver != nil && result.Stderr != "" {
stderrObserver([]byte(result.Stderr))
}
return result, err
}
func validCaptureLimits(limits CaptureLimits) error {
if limits.StdoutBytes < 1 || limits.StderrBytes < 1 ||
limits.StdoutBytes > maximumCaptureBytes || limits.StderrBytes > maximumCaptureBytes {
@@ -323,23 +356,24 @@ type cappedBuffer struct {
contents []byte
maximum int
overflow chan<- struct{}
observer func([]byte)
exceeded bool
}
func newCappedBuffer(maximum int, overflow chan<- struct{}) *cappedBuffer {
func newCappedBuffer(maximum int, overflow chan<- struct{}, observer func([]byte)) *cappedBuffer {
capacity := maximum
if capacity > 4096 {
capacity = 4096
}
return &cappedBuffer{contents: make([]byte, 0, capacity), maximum: maximum, overflow: overflow}
return &cappedBuffer{contents: make([]byte, 0, capacity), maximum: maximum, overflow: overflow, observer: observer}
}
func (b *cappedBuffer) Write(value []byte) (int, error) {
b.mu.Lock()
defer b.mu.Unlock()
remaining := b.maximum - len(b.contents)
kept := 0
if remaining > 0 {
kept := len(value)
kept = len(value)
if kept > remaining {
kept = remaining
}
@@ -352,6 +386,14 @@ func (b *cappedBuffer) Write(value []byte) (int, error) {
default:
}
}
var observed []byte
if kept > 0 && b.observer != nil {
observed = append([]byte(nil), value[:kept]...)
}
b.mu.Unlock()
if len(observed) > 0 {
b.observer(observed)
}
return len(value), nil
}
@@ -397,3 +439,11 @@ func (r InstallationRunner) RunBounded(ctx context.Context, args []string, stdin
}
return RunBounded(r.Runner, ctx, args, stdin, limits)
}
// RunBoundedStreaming preserves the stderr observer across installation argument injection.
func (r InstallationRunner) RunBoundedStreaming(ctx context.Context, args []string, stdin io.Reader, limits CaptureLimits, stderrObserver func([]byte)) (Result, error) {
if len(args) > 0 && args[0] == "compose" {
return RunBoundedStreaming(r.Runner, ctx, r.Installation.ComposeArgs(args[1:]...), stdin, limits, stderrObserver)
}
return RunBoundedStreaming(r.Runner, ctx, args, stdin, limits, stderrObserver)
}
+108 -1
View File
@@ -116,6 +116,107 @@ func TestRunnerCleansUpNamedComposeContainerAfterCancellation(t *testing.T) {
assertContainerCleanup(t, logFile, marker, name)
}
func TestRunnerVerifiesAndRemovesNamedComposeContainerAfterNormalExit(t *testing.T) {
logFile := filepath.Join(t.TempDir(), "calls.log")
marker := filepath.Join(t.TempDir(), "container-present")
if err := os.WriteFile(marker, []byte("present"), 0o600); err != nil {
t.Fatal(err)
}
t.Setenv("THT_RUNNER_TEST_LOG", logFile)
t.Setenv("THT_RUNNER_TEST_MARKER", marker)
t.Setenv("THT_RUNNER_TEST_MODE", "normal")
runner := NewRunner(writeExecutable(t, cleanupAwareDockerScript))
name := "thothii-cleanup-normal-sentinel"
result, err := RunBounded(runner, context.Background(), []string{
"compose", "run", "--rm", "--name", name, "core",
}, nil, CaptureLimits{StdoutBytes: 1024, StderrBytes: 1024})
if err != nil || result.ExitCode != 0 {
t.Fatalf("RunBounded() result=%#v error=%v, want clean exit", result, err)
}
assertContainerCleanup(t, logFile, marker, name)
}
func TestRunnerVerifiesAndRemovesNamedComposeContainerAfterExpectedExitOne(t *testing.T) {
logFile := filepath.Join(t.TempDir(), "calls.log")
marker := filepath.Join(t.TempDir(), "container-present")
if err := os.WriteFile(marker, []byte("present"), 0o600); err != nil {
t.Fatal(err)
}
t.Setenv("THT_RUNNER_TEST_LOG", logFile)
t.Setenv("THT_RUNNER_TEST_MARKER", marker)
t.Setenv("THT_RUNNER_TEST_MODE", "exit-one")
runner := NewRunner(writeExecutable(t, cleanupAwareDockerScript))
name := "thothii-cleanup-exit-one-sentinel"
result, err := RunBounded(runner, context.Background(), []string{
"compose", "run", "--rm", "--name", name, "core",
}, nil, CaptureLimits{StdoutBytes: 1024, StderrBytes: 1024})
var exitError *exec.ExitError
if !errors.As(err, &exitError) || errors.Is(err, ErrContainerCleanup) || result.ExitCode != 1 {
t.Fatalf("RunBounded() result=%#v error=%v, want original exit 1", result, err)
}
assertContainerCleanup(t, logFile, marker, name)
}
func TestRunnerAcceptsANamedOneShotAlreadyRemovedByRm(t *testing.T) {
logFile := filepath.Join(t.TempDir(), "calls.log")
marker := filepath.Join(t.TempDir(), "container-absent")
t.Setenv("THT_RUNNER_TEST_LOG", logFile)
t.Setenv("THT_RUNNER_TEST_MARKER", marker)
t.Setenv("THT_RUNNER_TEST_MODE", "normal")
runner := NewRunner(writeExecutable(t, cleanupAwareDockerScript))
name := "thothii-cleanup-already-removed-sentinel"
result, err := RunBounded(runner, context.Background(), []string{
"compose", "run", "--rm", "--name", name, "core",
}, nil, CaptureLimits{StdoutBytes: 1024, StderrBytes: 1024})
if err != nil || result.ExitCode != 0 {
t.Fatalf("RunBounded() result=%#v error=%v, want clean exit", result, err)
}
calls, readErr := os.ReadFile(logFile)
if readErr != nil {
t.Fatal(readErr)
}
if !strings.Contains(string(calls), "container ls --all --quiet --filter name=^/"+name+"$") ||
strings.Contains(string(calls), "container rm -f "+name) {
t.Fatalf("Docker calls = %q, want absence verification without forced removal", calls)
}
if _, statErr := os.Stat(marker); !os.IsNotExist(statErr) {
t.Fatalf("named one-shot unexpectedly left residue: %v", statErr)
}
}
func TestRunnerJoinsCleanupFailureAfterNormalExit(t *testing.T) {
logFile := filepath.Join(t.TempDir(), "calls.log")
marker := filepath.Join(t.TempDir(), "container-present")
if err := os.WriteFile(marker, []byte("present"), 0o600); err != nil {
t.Fatal(err)
}
t.Setenv("THT_RUNNER_TEST_LOG", logFile)
t.Setenv("THT_RUNNER_TEST_MARKER", marker)
t.Setenv("THT_RUNNER_TEST_MODE", "normal-cleanup-fails")
runner := NewRunner(writeExecutable(t, cleanupAwareDockerScript))
name := "thothii-cleanup-failure-sentinel"
result, err := RunBounded(runner, context.Background(), []string{
"compose", "run", "--rm", "--name", name, "core",
}, nil, CaptureLimits{StdoutBytes: 1024, StderrBytes: 1024})
if result.ExitCode != 0 || !errors.Is(err, ErrContainerCleanup) {
t.Fatalf("RunBounded() result=%#v error=%v, want cleanup failure joined to exit 0", result, err)
}
if strings.Contains(err.Error(), name) {
t.Fatalf("RunBounded() exposed the container name: %v", err)
}
if _, statErr := os.Stat(marker); statErr != nil {
t.Fatalf("cleanup failure test unexpectedly removed marker: %v", statErr)
}
}
func TestRunnerSurfacesCleanupFailureWithoutContainerName(t *testing.T) {
logFile := filepath.Join(t.TempDir(), "calls.log")
marker := filepath.Join(t.TempDir(), "container-present")
@@ -270,13 +371,19 @@ if [ "$1" = "container" ] && [ "$2" = "ls" ]; then
exit 0
fi
if [ "$1" = "container" ] && [ "$2" = "rm" ]; then
if [ "$THT_RUNNER_TEST_MODE" = "cleanup-fails" ]; then exit 9; fi
case "$THT_RUNNER_TEST_MODE" in *cleanup-fails) exit 9 ;; esac
rm -f "$THT_RUNNER_TEST_MARKER"
exit 0
fi
if [ "$THT_RUNNER_TEST_MODE" = "flood" ]; then
while :; do printf '0123456789abcdef'; printf 'fedcba9876543210' >&2; done
fi
if [ "$THT_RUNNER_TEST_MODE" = "normal" ] || [ "$THT_RUNNER_TEST_MODE" = "normal-cleanup-fails" ]; then
exit 0
fi
if [ "$THT_RUNNER_TEST_MODE" = "exit-one" ]; then
exit 1
fi
trap '' TERM INT
while :; do sleep 1; done
`