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Socket updates

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This commit is contained in:
Max Goedjen 2023-12-11 00:44:48 -08:00
parent dbaa57a05a
commit 39a2cc53dc
No known key found for this signature in database
6 changed files with 53 additions and 28 deletions
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8
Sources/Packages/Sources/SecretAgentKit/Agent.swift
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@ -12,7 +12,7 @@ public class Agent {
private let writer = OpenSSHKeyWriter()
private let requestTracer = SigningRequestTracer()
private let certificateHandler = OpenSSHCertificateHandler()
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent.agent", category: "")
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent", category: "Agent")
/// Initializes an agent with a store list and a witness.
/// - Parameters:
@ -35,7 +35,7 @@ extension Agent {
/// - writer: A ``FileHandleWriter`` to write the response to.
/// - Return value:
/// - Boolean if data could be read
@discardableResult public func handle(reader: FileHandleReader, writer: FileHandleWriter) -> Bool {
@discardableResult public func handle(reader: FileHandleReader, writer: FileHandleWriter) async -> Bool {
logger.debug("Agent handling new data")
let data = Data(reader.availableData)
guard data.count > 4 else { return false}
@ -47,12 +47,12 @@ extension Agent {
}
logger.debug("Agent handling request of type \(requestType.debugDescription)")
let subData = Data(data[5...])
let response = handle(requestType: requestType, data: subData, reader: reader)
let response = await handle(requestType: requestType, data: subData, reader: reader)
writer.write(response)
return true
}
func handle(requestType: SSHAgent.RequestType, data: Data, reader: FileHandleReader) -> Data {
func handle(requestType: SSHAgent.RequestType, data: Data, reader: FileHandleReader) async -> Data {
// Depending on the launch context (such as after macOS update), the agent may need to reload secrets before acting
reloadSecretsIfNeccessary()
var response = Data()

56
Sources/Packages/Sources/SecretAgentKit/SocketController.swift
View File

@ -10,22 +10,24 @@ public class SocketController {
private var port: SocketPort?
/// A handler that will be notified when a new read/write handle is available.
/// False if no data could be read
public var handler: ((FileHandleReader, FileHandleWriter) -> Bool)?
public var handler: ((FileHandleReader, FileHandleWriter) async -> Bool)?
/// Logger.
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent", category: "SocketController")
/// Initializes a socket controller with a specified path.
/// - Parameter path: The path to use as a socket.
public init(path: String) {
Logger().debug("Socket controller setting up at \(path)")
logger.debug("Socket controller setting up at \(path)")
if let _ = try? FileManager.default.removeItem(atPath: path) {
Logger().debug("Socket controller removed existing socket")
logger.debug("Socket controller removed existing socket")
}
let exists = FileManager.default.fileExists(atPath: path)
assert(!exists)
Logger().debug("Socket controller path is clear")
logger.debug("Socket controller path is clear")
port = socketPort(at: path)
configureSocket(at: path)
Logger().debug("Socket listening at \(path)")
logger.debug("Socket listening at \(path)")
}
/// Configures the socket and a corresponding FileHandle.
@ -35,7 +37,7 @@ public class SocketController {
fileHandle = FileHandle(fileDescriptor: port.socket, closeOnDealloc: true)
NotificationCenter.default.addObserver(self, selector: #selector(handleConnectionAccept(notification:)), name: .NSFileHandleConnectionAccepted, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(handleConnectionDataAvailable(notification:)), name: .NSFileHandleDataAvailable, object: nil)
fileHandle?.acceptConnectionInBackgroundAndNotify(forModes: [RunLoop.current.currentMode!])
fileHandle?.acceptConnectionInBackgroundAndNotify(forModes: [RunLoop.Mode.common])
}
/// Creates a SocketPort for a path.
@ -65,25 +67,45 @@ public class SocketController {
/// Handles a new connection being accepted, invokes the handler, and prepares to accept new connections.
/// - Parameter notification: A `Notification` that triggered the call.
@objc func handleConnectionAccept(notification: Notification) {
Logger().debug("Socket controller accepted connection")
logger.debug("Socket controller accepted connection")
guard let new = notification.userInfo?[NSFileHandleNotificationFileHandleItem] as? FileHandle else { return }
_ = handler?(new, new)
new.waitForDataInBackgroundAndNotify()
fileHandle?.acceptConnectionInBackgroundAndNotify(forModes: [RunLoop.current.currentMode!])
Task {
_ = await handler?(new, new)
await new.waitForDataInBackgroundAndNotifyOnMainActor()
await fileHandle?.acceptConnectionInBackgroundAndNotifyOnMainActor()
}
}
/// Handles a new connection providing data and invokes the handler callback.
/// - Parameter notification: A `Notification` that triggered the call.
@objc func handleConnectionDataAvailable(notification: Notification) {
Logger().debug("Socket controller has new data available")
logger.debug("Socket controller has new data available")
guard let new = notification.object as? FileHandle else { return }
Logger().debug("Socket controller received new file handle")
if((handler?(new, new)) == true) {
Logger().debug("Socket controller handled data, wait for more data")
new.waitForDataInBackgroundAndNotify()
} else {
Logger().debug("Socket controller called with empty data, socked closed")
logger.debug("Socket controller received new file handle")
Task {
if((await handler?(new, new)) == true) {
logger.debug("Socket controller handled data, wait for more data")
await new.waitForDataInBackgroundAndNotifyOnMainActor()
} else {
logger.debug("Socket controller called with empty data, socked closed")
}
}
}
}
extension FileHandle {
/// Ensures waitForDataInBackgroundAndNotify will be called on the main actor.
@MainActor func waitForDataInBackgroundAndNotifyOnMainActor() {
waitForDataInBackgroundAndNotify()
}
/// Ensures acceptConnectionInBackgroundAndNotify will be called on the main actor.
/// - Parameter modes: the runloop modes to use.
@MainActor func acceptConnectionInBackgroundAndNotifyOnMainActor(forModes modes: [RunLoop.Mode]? = [RunLoop.Mode.common]) {
acceptConnectionInBackgroundAndNotify(forModes: modes)
}
}

2
Sources/Packages/Sources/SecretKit/OpenSSH/OpenSSHCertificateHandler.swift
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@ -5,7 +5,7 @@ import OSLog
public class OpenSSHCertificateHandler {
private let publicKeyFileStoreController = PublicKeyFileStoreController(homeDirectory: NSHomeDirectory())
private let logger = Logger()
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent", category: "OpenSSHCertificateHandler")
private let writer = OpenSSHKeyWriter()
private var keyBlobsAndNames: [AnySecret: (Data, Data)] = [:]

2
Sources/Packages/Sources/SecretKit/PublicKeyStandinFileController.swift
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@ -4,7 +4,7 @@ import OSLog
/// Controller responsible for writing public keys to disk, so that they're easily accessible by scripts.
public class PublicKeyFileStoreController {
private let logger = Logger()
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent", category: "PublicKeyFileStoreController")
private let directory: String
private let keyWriter = OpenSSHKeyWriter()

3
Sources/SecretAgent/AppDelegate.swift
View File

@ -27,9 +27,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
return SocketController(path: path)
}()
private var updateSink: AnyCancellable?
private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent", category: "AppDelegate")
func applicationDidFinishLaunching(_ aNotification: Notification) {
Logger().debug("SecretAgent finished launching")
logger.debug("SecretAgent finished launching")
DispatchQueue.main.async {
self.socketController.handler = self.agent.handle(reader:writer:)
}

10
Sources/Secretive/Controllers/LaunchAgentController.swift
View File

@ -6,8 +6,10 @@ import SecretKit
struct LaunchAgentController {
private let logger = Logger(subsystem: "com.maxgoedjen.secretive", category: "LaunchAgentController")
func install(completion: (() -> Void)? = nil) {
Logger().debug("Installing agent")
logger.debug("Installing agent")
_ = setEnabled(false)
// This is definitely a bit of a "seems to work better" thing but:
// Seems to more reliably hit if these are on separate runloops, otherwise it seems like it sometimes doesn't kill old
@ -20,7 +22,7 @@ struct LaunchAgentController {
}
func forceLaunch(completion: ((Bool) -> Void)?) {
Logger().debug("Agent is not running, attempting to force launch")
logger.debug("Agent is not running, attempting to force launch")
let url = Bundle.main.bundleURL.appendingPathComponent("Contents/Library/LoginItems/SecretAgent.app")
let config = NSWorkspace.OpenConfiguration()
config.activates = false
@ -29,9 +31,9 @@ struct LaunchAgentController {
completion?(error == nil)
}
if let error = error {
Logger().error("Error force launching \(error.localizedDescription)")
logger.error("Error force launching \(error.localizedDescription)")
} else {
Logger().debug("Agent force launched")
logger.debug("Agent force launched")
}
}
}