Merge branch 'main' into sshcertcleanup_2

This commit is contained in:
Max Goedjen
2022-12-18 16:10:30 -08:00
committed by GitHub
8 changed files with 67 additions and 32 deletions

View File

@@ -12,7 +12,7 @@ public class Agent {
private let writer = OpenSSHKeyWriter()
private let requestTracer = SigningRequestTracer()
private let certificateHandler = OpenSSHCertificateHandler()
private let logger = Logger()
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent.agent", category: "")
/// Initializes an agent with a store list and a witness.
/// - Parameters:
@@ -53,6 +53,8 @@ extension Agent {
}
func handle(requestType: SSHAgent.RequestType, data: Data, reader: FileHandleReader) -> Data {
// Depending on the launch context (such as after macOS update), the agent may need to reload secrets before acting
reloadSecretsIfNeccessary()
var response = Data()
do {
switch requestType {
@@ -106,7 +108,7 @@ extension Agent {
keyData.append(writer.lengthAndData(of: curveData))
}
logger.debug("Agent enumerated \(secrets.count) identities")
logger.log("Agent enumerated \(secrets.count) identities")
return countData + keyData
}
@@ -202,6 +204,16 @@ extension Agent {
extension Agent {
/// Gives any store with no loaded secrets a chance to reload.
func reloadSecretsIfNeccessary() {
for store in storeList.stores {
if store.secrets.isEmpty {
logger.debug("Store \(store.name, privacy: .public) has no loaded secrets. Reloading.")
store.reloadSecrets()
}
}
}
/// Finds a ``Secret`` matching a specified hash whos signature was requested.
/// - Parameter hash: The hash to match against.
/// - Returns: A ``Secret`` and the ``SecretStore`` containing it, if a match is found.

View File

@@ -12,6 +12,7 @@ public class AnySecretStore: SecretStore {
private let _sign: (Data, AnySecret, SigningRequestProvenance) throws -> Data
private let _existingPersistedAuthenticationContext: (AnySecret) -> PersistedAuthenticationContext?
private let _persistAuthentication: (AnySecret, TimeInterval) throws -> Void
private let _reloadSecrets: () -> Void
private var sink: AnyCancellable?
@@ -24,6 +25,7 @@ public class AnySecretStore: SecretStore {
_sign = { try secretStore.sign(data: $0, with: $1.base as! SecretStoreType.SecretType, for: $2) }
_existingPersistedAuthenticationContext = { secretStore.existingPersistedAuthenticationContext(secret: $0.base as! SecretStoreType.SecretType) }
_persistAuthentication = { try secretStore.persistAuthentication(secret: $0.base as! SecretStoreType.SecretType, forDuration: $1) }
_reloadSecrets = { secretStore.reloadSecrets() }
sink = secretStore.objectWillChange.sink { _ in
self.objectWillChange.send()
}
@@ -57,6 +59,10 @@ public class AnySecretStore: SecretStore {
try _persistAuthentication(secret, duration)
}
public func reloadSecrets() {
_reloadSecrets()
}
}
public class AnySecretStoreModifiable: AnySecretStore, SecretStoreModifiable {

View File

@@ -36,6 +36,9 @@ public protocol SecretStore: ObservableObject, Identifiable {
/// - Note: This is used for temporarily unlocking access to a secret which would otherwise require authentication every single use. This is useful for situations where the user anticipates several rapid accesses to a authorization-guarded secret.
func persistAuthentication(secret: SecretType, forDuration duration: TimeInterval) throws
/// Requests that the store reload secrets from any backing store, if neccessary.
func reloadSecrets()
}
/// A SecretStore that the Secretive admin app can modify.

View File

@@ -24,7 +24,7 @@ extension SecureEnclave {
/// Initializes a Store.
public init() {
DistributedNotificationCenter.default().addObserver(forName: .secretStoreUpdated, object: nil, queue: .main) { _ in
self.reloadSecrets(notifyAgent: false)
self.reloadSecretsInternal(notifyAgent: false)
}
loadSecrets()
}
@@ -68,7 +68,7 @@ extension SecureEnclave {
throw KeychainError(statusCode: nil)
}
try savePublicKey(publicKey, name: name)
reloadSecrets()
reloadSecretsInternal()
}
public func delete(secret: Secret) throws {
@@ -80,7 +80,7 @@ extension SecureEnclave {
if status != errSecSuccess {
throw KeychainError(statusCode: status)
}
reloadSecrets()
reloadSecretsInternal()
}
public func update(secret: Secret, name: String) throws {
@@ -97,7 +97,7 @@ extension SecureEnclave {
if status != errSecSuccess {
throw KeychainError(statusCode: status)
}
reloadSecrets()
reloadSecretsInternal()
}
public func sign(data: Data, with secret: SecretType, for provenance: SigningRequestProvenance) throws -> Data {
@@ -163,6 +163,10 @@ extension SecureEnclave {
}
}
public func reloadSecrets() {
reloadSecretsInternal(notifyAgent: false)
}
}
}
@@ -171,12 +175,15 @@ extension SecureEnclave.Store {
/// Reloads all secrets from the store.
/// - Parameter notifyAgent: A boolean indicating whether a distributed notification should be posted, notifying other processes (ie, the SecretAgent) to reload their stores as well.
private func reloadSecrets(notifyAgent: Bool = true) {
private func reloadSecretsInternal(notifyAgent: Bool = true) {
let before = secrets
secrets.removeAll()
loadSecrets()
NotificationCenter.default.post(name: .secretStoreReloaded, object: self)
if notifyAgent {
DistributedNotificationCenter.default().postNotificationName(.secretStoreUpdated, object: nil, deliverImmediately: true)
if secrets != before {
NotificationCenter.default.post(name: .secretStoreReloaded, object: self)
if notifyAgent {
DistributedNotificationCenter.default().postNotificationName(.secretStoreUpdated, object: nil, deliverImmediately: true)
}
}
}

View File

@@ -89,6 +89,19 @@ extension SmartCard {
public func persistAuthentication(secret: SmartCard.Secret, forDuration: TimeInterval) throws {
}
/// Reloads all secrets from the store.
public func reloadSecrets() {
DispatchQueue.main.async {
self.isAvailable = self.tokenID != nil
let before = self.secrets
self.secrets.removeAll()
self.loadSecrets()
if self.secrets != before {
NotificationCenter.default.post(name: .secretStoreReloaded, object: self)
}
}
}
}
}
@@ -102,15 +115,6 @@ extension SmartCard.Store {
reloadSecrets()
}
/// Reloads all secrets from the store.
private func reloadSecrets() {
DispatchQueue.main.async {
self.isAvailable = self.tokenID != nil
self.secrets.removeAll()
self.loadSecrets()
}
}
/// Loads all secrets from the store.
private func loadSecrets() {
guard let tokenID = tokenID else { return }

View File

@@ -78,6 +78,9 @@ extension Stub {
public func persistAuthentication(secret: Stub.Secret, forDuration duration: TimeInterval) throws {
}
public func reloadSecrets() {
}
}
}