merge: ticket 17 Linux saved-device core contract

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-08-11 05:13:00 +02:00
4 changed files with 953 additions and 1 deletions

View File

@@ -119,7 +119,7 @@ pub(crate) struct LinuxSecretServiceStore {
}
impl LinuxSecretServiceStore {
pub(super) fn connect() -> Result<Self, SecureSecretStoreError> {
pub(crate) fn connect() -> Result<Self, SecureSecretStoreError> {
Ok(Self {
api: Arc::new(SystemLinuxSecretService::connect()?),
})

View File

@@ -24,6 +24,8 @@ mod network_config_tests;
mod pairing_eligibility_tests;
#[path = "tests/platform_contract_android.rs"]
mod platform_contract_android_tests;
#[path = "tests/platform_contract_linux.rs"]
mod platform_contract_linux_tests;
#[path = "tests/platform_contract_windows.rs"]
mod platform_contract_windows_tests;
#[path = "tests/repository.rs"]

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@@ -0,0 +1,836 @@
//! Linux core/platform contract harness for saved devices (ticket 17).
//!
//! Proves the Secret Service bridge can drive identity restart, the public
//! saved-device lifecycle, fault isolation, event recovery, and binding hygiene
//! without product UI. Injectable Secret Service fakes run on every host;
//! real Secret Service connect is exercised under `cfg(target_os = "linux")`.
use std::{
collections::{HashMap, HashSet},
path::Path,
sync::{Arc, Mutex},
time::{Duration, Instant},
};
use crate::{
secure_secret::{
linux::{LinuxSecretServiceApi, LinuxSecretServiceStore},
FaultInjectingSecretStore, ReferenceStoreFailure, SecretMaterial, SecureSecretStore,
SecureSecretStoreError,
},
CoreEvent, CoreEventSink, DeviceRelationshipState, ShareMetadataInput, ShareSource, SourceKind,
TargetedTransferState, TransferAccessMode, VnidropCore, VnidropError,
};
#[cfg(target_os = "linux")]
use crate::{CoreLimits, CoreNetworkConfig};
struct RecordingSink {
events: Mutex<Vec<CoreEvent>>,
}
impl CoreEventSink for RecordingSink {
fn on_event(&self, event: CoreEvent) {
self.events.lock().unwrap().push(event);
}
}
impl RecordingSink {
fn snapshot(&self) -> Vec<CoreEvent> {
self.events.lock().unwrap().clone()
}
fn clear(&self) {
self.events.lock().unwrap().clear();
}
}
/// Node backed by an injectable Secret Service API (runs on non-Linux hosts).
struct SecretServiceNode {
data_dir: tempfile::TempDir,
api: Arc<ControllableSecretService>,
sink: Arc<RecordingSink>,
core: Option<Arc<VnidropCore>>,
}
impl SecretServiceNode {
fn new() -> Self {
let data_dir = tempfile::tempdir().unwrap();
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let api = Arc::new(ControllableSecretService::default());
let store = Arc::new(LinuxSecretServiceStore::with_api(api.clone()));
let core = VnidropCore::initialize_with_test_secret_store(
data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
store,
)
.expect("Secret Service-backed protected core");
Self {
data_dir,
api,
sink,
core: Some(core),
}
}
fn core(&self) -> Arc<VnidropCore> {
self.core.as_ref().expect("core alive").clone()
}
fn restart(mut self) -> Self {
if let Some(core) = self.core.take() {
core.shutdown();
}
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let store = Arc::new(LinuxSecretServiceStore::with_api(self.api.clone()));
let core = VnidropCore::initialize_with_test_secret_store(
self.data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
store,
)
.expect("restarted Secret Service-backed core");
self.sink = sink;
self.core = Some(core);
self
}
fn try_restart(mut self) -> Result<Self, (Self, VnidropError)> {
if let Some(core) = self.core.take() {
core.shutdown();
}
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let store = Arc::new(LinuxSecretServiceStore::with_api(self.api.clone()));
match VnidropCore::initialize_with_test_secret_store(
self.data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
store,
) {
Ok(core) => {
self.sink = sink;
self.core = Some(core);
Ok(self)
}
Err(error) => {
self.sink = sink;
Err((self, error))
}
}
}
}
impl Drop for SecretServiceNode {
fn drop(&mut self) {
if let Some(core) = self.core.take() {
core.shutdown();
}
}
}
struct FaultNode {
data_dir: tempfile::TempDir,
secret_store: Arc<FaultInjectingSecretStore>,
sink: Arc<RecordingSink>,
core: Option<Arc<VnidropCore>>,
}
impl FaultNode {
fn new() -> Self {
let data_dir = tempfile::tempdir().unwrap();
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let store = Arc::new(FaultInjectingSecretStore::default());
let core = VnidropCore::initialize_with_test_secret_store(
data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
store.clone(),
)
.expect("fault-injecting protected core");
Self {
data_dir,
secret_store: store,
sink,
core: Some(core),
}
}
fn core(&self) -> Arc<VnidropCore> {
self.core.as_ref().expect("core alive").clone()
}
fn restart(mut self) -> Self {
if let Some(core) = self.core.take() {
core.shutdown();
}
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let core = VnidropCore::initialize_with_test_secret_store(
self.data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
self.secret_store.clone(),
)
.expect("restarted fault-injecting core");
self.sink = sink;
self.core = Some(core);
self
}
fn try_restart(mut self) -> Result<Self, (Self, VnidropError)> {
if let Some(core) = self.core.take() {
core.shutdown();
}
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
match VnidropCore::initialize_with_test_secret_store(
self.data_dir.path().to_string_lossy().into_owned(),
sink.clone(),
self.secret_store.clone(),
) {
Ok(core) => {
self.sink = sink;
self.core = Some(core);
Ok(self)
}
Err(error) => {
self.sink = sink;
Err((self, error))
}
}
}
}
impl Drop for FaultNode {
fn drop(&mut self) {
if let Some(core) = self.core.take() {
core.shutdown();
}
}
}
#[derive(Clone, Default)]
struct ControllableSecretService {
state: Arc<Mutex<ControllableState>>,
}
#[derive(Default)]
struct ControllableState {
values: HashMap<String, Vec<u8>>,
locked_handles: HashSet<String>,
global_failure: Option<SecureSecretStoreError>,
}
impl ControllableSecretService {
fn lock_handle(&self, handle: &str) {
self.state
.lock()
.unwrap()
.locked_handles
.insert(handle.to_string());
}
fn fail_all(&self, failure: Option<SecureSecretStoreError>) {
self.state.lock().unwrap().global_failure = failure;
}
fn check(&self, handle: &str) -> Result<(), SecureSecretStoreError> {
let state = self.state.lock().unwrap();
if let Some(failure) = &state.global_failure {
return Err(match failure {
SecureSecretStoreError::Locked => SecureSecretStoreError::Locked,
SecureSecretStoreError::Missing => SecureSecretStoreError::Missing,
SecureSecretStoreError::Corrupted => SecureSecretStoreError::Corrupted,
SecureSecretStoreError::Unavailable => SecureSecretStoreError::Unavailable,
});
}
if state.locked_handles.contains(handle) {
return Err(SecureSecretStoreError::Locked);
}
Ok(())
}
}
impl LinuxSecretServiceApi for ControllableSecretService {
fn put(&self, handle: &str, material: &[u8]) -> Result<(), SecureSecretStoreError> {
self.check(handle)?;
self.state
.lock()
.unwrap()
.values
.insert(handle.to_string(), material.to_vec());
Ok(())
}
fn get(&self, handle: &str) -> Result<Vec<u8>, SecureSecretStoreError> {
self.check(handle)?;
self.state
.lock()
.unwrap()
.values
.get(handle)
.cloned()
.ok_or(SecureSecretStoreError::Missing)
}
fn delete(&self, handle: &str) -> Result<(), SecureSecretStoreError> {
self.check(handle)?;
self.state
.lock()
.unwrap()
.values
.remove(handle)
.map(|_| ())
.ok_or(SecureSecretStoreError::Missing)
}
fn list_handles(&self) -> Result<Vec<String>, SecureSecretStoreError> {
let state = self.state.lock().unwrap();
if let Some(failure) = &state.global_failure {
return Err(match failure {
SecureSecretStoreError::Locked => SecureSecretStoreError::Locked,
SecureSecretStoreError::Missing => SecureSecretStoreError::Missing,
SecureSecretStoreError::Corrupted => SecureSecretStoreError::Corrupted,
SecureSecretStoreError::Unavailable => SecureSecretStoreError::Unavailable,
});
}
Ok(state.values.keys().cloned().collect())
}
}
fn share_path(core: &VnidropCore, source: &Path, transfer_id: u64) -> crate::ShareResult {
core.share_files(
vec![ShareSource {
kind: SourceKind::Path,
value: source.to_string_lossy().into_owned(),
display_name: Some("hello.txt".to_string()),
is_directory: false,
}],
ShareMetadataInput {
transfer_id,
transfer_name: Some("hello.txt".to_string()),
sender_name: Some("sender".to_string()),
access_mode: TransferAccessMode::ApprovalRequired,
},
)
.unwrap()
}
fn wait_for_receiver_request(sender: &VnidropCore, transfer_id: u64) -> crate::ReceiverRequest {
let started = Instant::now();
loop {
if let Some(request) = sender
.list_receiver_requests(transfer_id)
.unwrap()
.into_iter()
.find(|request| request.status == "requested")
{
return request;
}
assert!(
started.elapsed() < Duration::from_secs(15),
"timed out waiting for receiver request"
);
std::thread::sleep(Duration::from_millis(25));
}
}
fn complete_transfer(sender: &Arc<VnidropCore>, receiver: &Arc<VnidropCore>, transfer_id: u64) {
let source_dir = tempfile::tempdir().unwrap();
let output_dir = tempfile::tempdir().unwrap();
let source_path = source_dir.path().join("hello.txt");
std::fs::write(&source_path, b"mutual consent").unwrap();
let share = share_path(sender, &source_path, transfer_id);
let output_dir = output_dir.path().to_string_lossy().to_string();
let receiver_core = receiver.clone();
let ticket = share.ticket.clone();
let handle = std::thread::spawn(move || {
receiver_core.receive(ticket, output_dir, Some("receiver".to_string()))
});
let request = wait_for_receiver_request(sender, share.transfer_id);
sender
.respond_receiver_request(request.id, true, None)
.unwrap();
handle.join().unwrap().unwrap();
let started = Instant::now();
let peer = receiver.status().endpoint_id.clone();
loop {
if sender
.list_pairing_eligibilities()
.unwrap()
.iter()
.any(|entry| entry.peer_endpoint_id == peer)
{
break;
}
assert!(
started.elapsed() < Duration::from_secs(10),
"eligibility never appeared"
);
std::thread::sleep(Duration::from_millis(25));
}
}
fn wait_for_relationship(
core: &VnidropCore,
peer: &str,
state: DeviceRelationshipState,
) -> crate::DeviceRelationship {
let started = Instant::now();
loop {
if let Some(relationship) = core
.list_device_relationships()
.unwrap()
.into_iter()
.find(|entry| entry.remote_endpoint_id == peer && entry.state == state)
{
return relationship;
}
assert!(
started.elapsed() < Duration::from_secs(15),
"relationship {peer} never reached {state:?}"
);
std::thread::sleep(Duration::from_millis(25));
}
}
fn establish_saved(alice: &Arc<VnidropCore>, bob: &Arc<VnidropCore>, transfer_id: u64) {
let alice_id = alice.status().endpoint_id.clone();
let bob_id = bob.status().endpoint_id.clone();
complete_transfer(alice, bob, transfer_id);
assert!(alice.request_saved_device_pairing(bob_id.clone()).unwrap());
wait_for_relationship(bob, &alice_id, DeviceRelationshipState::PendingIncoming);
assert!(bob
.respond_to_device_pairing(alice_id.clone(), true)
.unwrap());
wait_for_relationship(alice, &bob_id, DeviceRelationshipState::Saved);
wait_for_relationship(bob, &alice_id, DeviceRelationshipState::Saved);
}
fn wait_for_pending_offer(core: &VnidropCore) -> crate::PendingTargetedOffer {
let started = Instant::now();
loop {
let pending = core.list_pending_targeted_offers();
if let Some(offer) = pending.into_iter().next() {
return offer;
}
assert!(
started.elapsed() < Duration::from_secs(20),
"timed out waiting for pending targeted offer"
);
std::thread::sleep(Duration::from_millis(25));
}
}
fn targeted_source(path: &Path) -> ShareSource {
ShareSource {
kind: SourceKind::Path,
value: path.to_string_lossy().into_owned(),
display_name: Some(
path.file_name()
.unwrap_or_default()
.to_string_lossy()
.into_owned(),
),
is_directory: false,
}
}
fn approve_one(
alice: &Arc<VnidropCore>,
bob: &Arc<VnidropCore>,
payload: &[u8],
name: &str,
) -> (crate::TargetedTransfer, String) {
let bob_id = bob.status().endpoint_id.clone();
let source_dir = tempfile::tempdir().unwrap();
let source_path = source_dir.path().join(name);
std::fs::write(&source_path, payload).unwrap();
let bob_core = bob.clone();
let accept = std::thread::spawn(move || {
let offer = wait_for_pending_offer(&bob_core);
bob_core
.respond_to_targeted_offer(offer.transfer_id, true)
.unwrap()
});
let transfer = alice
.create_targeted_transfer(
bob_id,
vec![targeted_source(&source_path)],
Some(name.to_string()),
)
.unwrap();
let auth = accept.join().unwrap().expect("authorization");
(transfer, auth)
}
fn recover_authoritative_state(
live_events: &[CoreEvent],
replayed: &[CoreEvent],
) -> (HashSet<String>, u64) {
let mut seen_ids = HashSet::new();
let mut max_revision = 0u64;
for event in live_events.iter().chain(replayed.iter()) {
if !seen_ids.insert(event.id.clone()) {
continue;
}
max_revision = max_revision.max(event.revision);
}
(seen_ids, max_revision)
}
#[test]
fn secret_service_identity_survives_core_restart() {
let node = SecretServiceNode::new();
let endpoint_id = node.core().status().endpoint_id.clone();
assert!(!endpoint_id.is_empty());
assert!(
!node.data_dir.path().join("iroh.secret").exists(),
"protected identity must not fall back to plaintext"
);
let node = node.restart();
assert_eq!(node.core().status().endpoint_id, endpoint_id);
assert!(!node.data_dir.path().join("iroh.secret").exists());
}
#[cfg(target_os = "linux")]
#[test]
fn experimental_secret_service_identity_survives_core_restart_on_linux() {
let data_dir = tempfile::tempdir().unwrap();
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let core = VnidropCore::initialize_with_experimental_saved_devices(
data_dir.path().to_string_lossy().into_owned(),
sink,
CoreLimits::default(),
CoreNetworkConfig::default(),
)
.expect("experimental Linux Secret Service core");
let endpoint_id = core.status().endpoint_id.clone();
assert!(!endpoint_id.is_empty());
assert!(!data_dir.path().join("iroh.secret").exists());
core.shutdown();
drop(core);
let path = data_dir.path().to_string_lossy().into_owned();
let sink = Arc::new(RecordingSink {
events: Mutex::new(Vec::new()),
});
let started = Instant::now();
let restarted = loop {
match VnidropCore::initialize_with_experimental_saved_devices(
path.clone(),
sink.clone(),
CoreLimits::default(),
CoreNetworkConfig::default(),
) {
Ok(core) => break core,
Err(VnidropError::SecureStorageUnavailable { .. })
if started.elapsed() < Duration::from_secs(2) =>
{
std::thread::sleep(Duration::from_millis(25));
}
Err(error) => panic!("restart experimental Linux core: {error:?}"),
}
};
assert_eq!(restarted.status().endpoint_id, endpoint_id);
restarted.shutdown();
cleanup_scoped_secret_service(data_dir.path());
}
#[cfg(target_os = "linux")]
fn cleanup_scoped_secret_service(app_data_dir: &Path) {
let profile = blake3::hash(app_data_dir.to_string_lossy().as_bytes()).to_hex();
let prefix = format!("vnidrop/v1/scope-{profile}/");
let Ok(store) = LinuxSecretServiceStore::connect() else {
return;
};
let Ok(handles) = store.list_handles() else {
return;
};
for handle in handles {
if handle.as_str().starts_with(&prefix) {
let _ = store.delete(&handle);
}
}
}
#[test]
fn public_api_contract_eligibility_through_unblock_on_linux_path() {
// Full lifecycle uses the public UniFFI surface Linux/desktop bindings expose.
// FaultInjecting backs custody so the harness stays deterministic; Secret
// Service restart + binding hygiene cover the real Linux adapter separately.
let alice = FaultNode::new();
let bob = FaultNode::new();
let alice_id = alice.core().status().endpoint_id.clone();
let bob_id = bob.core().status().endpoint_id.clone();
establish_saved(&alice.core(), &bob.core(), 17_001);
alice
.core()
.set_saved_device_label(bob_id.clone(), Some("Bob Linux".to_string()))
.unwrap();
let saved = alice.core().list_saved_devices().unwrap();
assert_eq!(saved.len(), 1);
assert_eq!(saved[0].endpoint_id, bob_id);
assert_eq!(saved[0].local_label.as_deref(), Some("Bob Linux"));
let (transfer, _auth) = approve_one(&alice.core(), &bob.core(), b"linux contract", "a.txt");
assert_eq!(transfer.receiver_endpoint_id, bob_id);
let alice = alice.restart();
let bob = bob.restart();
let resumed_output = tempfile::tempdir().unwrap();
bob.core()
.resume_targeted_transfer(
transfer.id.clone(),
resumed_output.path().to_string_lossy().into_owned(),
)
.unwrap();
assert_eq!(
std::fs::read(resumed_output.path().join("a.txt")).unwrap(),
b"linux contract"
);
let completed = bob
.core()
.get_targeted_transfer(transfer.id)
.unwrap()
.unwrap();
assert_eq!(completed.state, TargetedTransferState::Completed);
alice.core().forget_saved_device(bob_id.clone()).unwrap();
assert!(alice.core().list_saved_devices().unwrap().is_empty());
bob.core().block_device(alice_id.clone()).unwrap();
assert!(bob
.core()
.list_blocked_devices()
.unwrap()
.contains(&alice_id));
bob.core().unblock_device(alice_id.clone()).unwrap();
assert!(!bob
.core()
.list_blocked_devices()
.unwrap()
.contains(&alice_id));
assert!(
bob.core().list_saved_devices().unwrap().is_empty()
|| bob
.core()
.list_saved_devices()
.unwrap()
.iter()
.all(|device| device.endpoint_id != alice_id),
"unblock must not restore a forgotten/revoked relationship"
);
}
#[test]
fn locked_or_absent_identity_fails_closed_while_missing_relationship_secrets_keep_networking() {
let alice = FaultNode::new();
let bob = FaultNode::new();
let bob_id = bob.core().status().endpoint_id.clone();
establish_saved(&alice.core(), &bob.core(), 17_010);
let endpoint_before = alice.core().status().endpoint_id.clone();
// Drop only relationship-grant material; identity stays loadable.
let handles = alice.secret_store.list_handles().unwrap();
for handle in handles {
if handle.as_str().contains("relationship-grant") {
alice.secret_store.remove_for_test(&handle);
}
}
let alice = alice.restart();
assert_eq!(alice.core().status().endpoint_id, endpoint_before);
assert!(
alice.core().list_saved_devices().unwrap().is_empty(),
"missing relationship secrets must disable saved-device rows"
);
let source_dir = tempfile::tempdir().unwrap();
let source_path = source_dir.path().join("still-works.txt");
std::fs::write(&source_path, b"identity ok").unwrap();
let share = share_path(&alice.core(), &source_path, 17_011);
assert!(
!share.ticket.is_empty(),
"identity must still serve tickets"
);
let create_err = alice.core().create_targeted_transfer(
bob_id,
vec![targeted_source(&source_path)],
Some("still-works.txt".to_string()),
);
assert!(
create_err.is_err(),
"saved-device transfer must fail without relationship secrets"
);
// Locked identity storage refuses networking on the next start.
alice
.secret_store
.fail_with(Some(ReferenceStoreFailure::Locked));
match alice.try_restart() {
Err((_alice, error)) => {
assert!(matches!(error, VnidropError::SecureStorageLocked { .. }));
}
Ok(_) => panic!("locked identity must fail closed"),
}
// Absent identity (store unavailable for every secret) also refuses start.
let missing = SecretServiceNode::new();
missing.api.fail_all(Some(SecureSecretStoreError::Missing));
match missing.try_restart() {
Err((_node, error)) => {
assert!(matches!(
error,
VnidropError::SecureStorageMissing { .. }
| VnidropError::SecureStorageUnavailable { .. }
| VnidropError::SecureStorageCorrupted { .. }
));
}
Ok(_) => panic!("absent Secret Service identity must fail closed"),
}
// Secret Service adapter maps lock / unavailable the same way for identity gets.
let api = Arc::new(ControllableSecretService::default());
let store = LinuxSecretServiceStore::with_api(api.clone());
let identity = crate::secure_secret::secret_handle_for_test(
"vnidrop/v1/endpoint-identity/linux-contract-lock".to_string(),
);
store
.put(&identity, SecretMaterial::new(vec![0x41; 32]).unwrap())
.unwrap();
api.lock_handle(identity.as_str());
assert!(matches!(
store.get(&identity),
Err(SecureSecretStoreError::Locked)
));
api.fail_all(Some(SecureSecretStoreError::Unavailable));
assert!(matches!(
store.get(&identity),
Err(SecureSecretStoreError::Unavailable)
));
}
#[test]
fn event_ids_and_revisions_recover_authoritative_state_after_listener_restart() {
let alice = FaultNode::new();
let bob = FaultNode::new();
establish_saved(&alice.core(), &bob.core(), 17_020);
let live = alice.sink.snapshot();
assert!(!live.is_empty());
let mut revisions = live.iter().map(|event| event.revision).collect::<Vec<_>>();
revisions.sort_unstable();
let unique = revisions.iter().copied().collect::<HashSet<_>>();
assert_eq!(
unique.len(),
live.len(),
"live revisions must be unique and monotonic per emission"
);
// Simulate at-least-once delivery: duplicates + a fresh listener.
let duplicates = live.clone();
alice.sink.clear();
let alice = alice.restart();
let after_restart = alice.core().list_events(None).unwrap();
assert!(!after_restart.is_empty());
let (seen_ids, max_revision) = recover_authoritative_state(&after_restart, &duplicates);
assert_eq!(seen_ids.len(), after_restart.len());
assert!(max_revision >= 1);
let saved = alice.core().list_saved_devices().unwrap();
assert_eq!(saved.len(), 1);
let relationships = alice.core().list_device_relationships().unwrap();
assert!(relationships
.iter()
.any(|entry| entry.state == DeviceRelationshipState::Saved));
}
#[test]
fn linux_public_bindings_omit_raw_secrets_and_generic_mutation() {
let api = std::fs::read_to_string(
std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("src/api.rs"),
)
.expect("api.rs");
let facade = std::fs::read_to_string(
std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("src/runtime/facade.rs"),
)
.expect("facade.rs");
// Test-only injectors may name SecureSecretStore; strip that impl for hygiene.
let public_facade = strip_cfg_test_impls(&facade);
for (label, source) in [
("api.rs", api.as_str()),
("facade.rs", public_facade.as_str()),
] {
for forbidden in [
"SecretMaterial",
"SecretHandle",
"SecureSecretStore",
"executeSql",
"executeSQL",
"mutateState",
"applyRawState",
"rawSecret",
"grantSecret",
"pairingCapabilityBytes",
"iroh.secret",
] {
assert!(
!source.contains(forbidden),
"{label} must not expose {forbidden} on the public surface"
);
}
}
assert!(
public_facade.contains("initialize_with_experimental_saved_devices"),
"facade must expose experimental saved-device init"
);
assert!(
!public_facade.contains("fn set_state(") && !public_facade.contains("fn mutate_state("),
"facade must not expose a generic state-mutation escape hatch"
);
assert!(api.contains("revision"), "CoreEvent must carry revision");
}
fn strip_cfg_test_impls(source: &str) -> String {
let mut out = String::new();
let mut lines = source.lines().peekable();
while let Some(line) = lines.next() {
let trimmed = line.trim_start();
if trimmed.starts_with("#[cfg(test)]") {
let mut brace_depth = 0i32;
let mut seen_brace = false;
for next in lines.by_ref() {
brace_depth += next.chars().filter(|c| *c == '{').count() as i32;
brace_depth -= next.chars().filter(|c| *c == '}').count() as i32;
if next.contains('{') {
seen_brace = true;
}
if seen_brace && brace_depth <= 0 {
break;
}
if !seen_brace && next.trim_end().ends_with(';') {
break;
}
}
continue;
}
out.push_str(line);
out.push('\n');
}
out
}

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@@ -0,0 +1,114 @@
package com.vnidrop.app.core
import java.nio.file.Files
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertTrue
import uniffi.vnidrop.CoreEvent
import uniffi.vnidrop.CoreEventSink
import uniffi.vnidrop.VnidropCore
import uniffi.vnidrop.defaultCoreLimits
import uniffi.vnidrop.defaultCoreNetworkConfig
/**
* Linux host harness for the experimental saved-device core contract (ticket 17).
*
* Identity restart against Secret Service runs only on Linux (CI host). Binding
* hygiene assertions run on every JVM so macOS/Windows desktop checks stay useful.
*/
class SavedDeviceCoreContractLinuxTest {
@Test
fun experimentalInitRestartsSameIdentityOnLinux() {
val isLinux = System.getProperty("os.name").orEmpty().lowercase().contains("linux")
if (!isLinux) {
return
}
val coreDir = Files.createTempDirectory("vnidrop-linux-contract")
val sink = object : CoreEventSink {
override fun onEvent(event: CoreEvent) = Unit
}
val first = VnidropCore.initializeWithExperimentalSavedDevices(
appDataDir = coreDir.toString(),
eventSink = sink,
limits = defaultCoreLimits(),
networkConfig = defaultCoreNetworkConfig(),
)
val endpointId = try {
val id = first.status().endpointId
assertTrue(id.isNotBlank())
assertFalse(coreDir.resolve("iroh.secret").toFile().exists())
id
} finally {
first.shutdown()
}
val second = VnidropCore.initializeWithExperimentalSavedDevices(
appDataDir = coreDir.toString(),
eventSink = sink,
limits = defaultCoreLimits(),
networkConfig = defaultCoreNetworkConfig(),
)
try {
assertEquals(endpointId, second.status().endpointId)
assertFalse(coreDir.resolve("iroh.secret").toFile().exists())
// Public surface used by the contract is present on bindings.
second.listSavedDevices()
second.listDeviceRelationships()
second.listPairingEligibilities()
second.listBlockedDevices()
second.listTargetedTransfers()
second.listEvents(null)
} finally {
second.shutdown()
coreDir.toFile().deleteRecursively()
}
}
@Test
fun publicBindingsOmitRawSecretsAndGenericMutation() {
val instanceMethods = VnidropCore::class.java.methods.map { it.name }.toSet()
val companionMethods = VnidropCore.Companion::class.java.methods.map { it.name }.toSet()
val methodNames = instanceMethods + companionMethods
for (forbidden in listOf(
"putSecret",
"getSecret",
"executeSql",
"executeSQL",
"mutateState",
"applyRawState",
"setRawState",
"grantSecret",
"rawSecret",
"pairingCapabilityBytes",
)) {
assertFalse(
methodNames.contains(forbidden),
"VnidropCore must not expose $forbidden",
)
}
assertTrue(
companionMethods.contains("initializeWithExperimentalSavedDevices"),
"experimental saved-device init must be on the public binding",
)
assertTrue(
instanceMethods.contains("setSavedDeviceLabel"),
"typed rename must be on the public binding",
)
assertTrue(
instanceMethods.any { it.startsWith("listEvents") },
"event listing must be on the public binding",
)
val eventFields = CoreEvent::class.java.declaredFields.map { it.name }.toSet()
assertTrue(eventFields.contains("revision"), "CoreEvent must carry revision")
assertTrue(eventFields.contains("id"), "CoreEvent must carry stable id")
for (forbidden in listOf("secret", "grantBytes", "capabilityBytes", "secretMaterial")) {
assertFalse(
eventFields.any { it.equals(forbidden, ignoreCase = true) },
"CoreEvent must not expose $forbidden",
)
}
}
}