hostsview - list of hosts

hostmanager for loading and saving hosts to defaults
host.debug/.blank as static vars
fix crash on disconnect by checking for connection in timer before checking if channel is open
keychain layer? to convert ed25519 to seckey and back for keychain storage
generate ed25519 via cryptokit

ShhShell.xcodeproj/project.pbxproj

@@ -32,6 +32,9 @@
 		A98554552E05535F009051BD /* KeyManagerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554542E05535F009051BD /* KeyManagerView.swift */; };
 		A98554592E0553AA009051BD /* KeyManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554582E0553AA009051BD /* KeyManager.swift */; };
 		A985545D2E055D4D009051BD /* ConnectionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A985545C2E055D4D009051BD /* ConnectionView.swift */; };
+		A985545F2E056EDD009051BD /* KeychainLayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = A985545E2E056EDD009051BD /* KeychainLayer.swift */; };
+		A98554612E058433009051BD /* HostsManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554602E058433009051BD /* HostsManager.swift */; };
+		A98554632E0587DF009051BD /* HostsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554622E0587DF009051BD /* HostsView.swift */; };
 		A9C897EF2DF1A9A400EF9A5F /* SSHHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C897EE2DF1A9A400EF9A5F /* SSHHandler.swift */; };
 /* End PBXBuildFile section */
 
@@ -93,6 +96,9 @@
 		A98554542E05535F009051BD /* KeyManagerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeyManagerView.swift; sourceTree = "<group>"; };
 		A98554582E0553AA009051BD /* KeyManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeyManager.swift; sourceTree = "<group>"; };
 		A985545C2E055D4D009051BD /* ConnectionView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConnectionView.swift; sourceTree = "<group>"; };
+		A985545E2E056EDD009051BD /* KeychainLayer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeychainLayer.swift; sourceTree = "<group>"; };
+		A98554602E058433009051BD /* HostsManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HostsManager.swift; sourceTree = "<group>"; };
+		A98554622E0587DF009051BD /* HostsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HostsView.swift; sourceTree = "<group>"; };
 		A9C897EE2DF1A9A400EF9A5F /* SSHHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SSHHandler.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -189,6 +195,7 @@
 			children = (
 				A98554532E05534F009051BD /* Keys */,
 				A92538C52DEE0742007E0A18 /* ContentView.swift */,
+				A98554622E0587DF009051BD /* HostsView.swift */,
 				A985545C2E055D4D009051BD /* ConnectionView.swift */,
 				A98554522E055347009051BD /* Terminal */,
 				A93143C52DF61FE300FCD5DB /* ViewModifiers.swift */,
@@ -243,6 +250,7 @@
 			isa = PBXGroup;
 			children = (
 				A93143BF2DF61B3200FCD5DB /* Host.swift */,
+				A98554602E058433009051BD /* HostsManager.swift */,
 			);
 			path = Host;
 			sourceTree = "<group>";
@@ -251,6 +259,7 @@
 			isa = PBXGroup;
 			children = (
 				A98554582E0553AA009051BD /* KeyManager.swift */,
+				A985545E2E056EDD009051BD /* KeychainLayer.swift */,
 			);
 			path = Keys;
 			sourceTree = "<group>";
@@ -413,10 +422,13 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				A985545F2E056EDD009051BD /* KeychainLayer.swift in Sources */,
 				A93143C62DF61FE300FCD5DB /* ViewModifiers.swift in Sources */,
+				A98554632E0587DF009051BD /* HostsView.swift in Sources */,
 				A92538C82DEE0742007E0A18 /* ContentView.swift in Sources */,
 				A93143C02DF61B3200FCD5DB /* Host.swift in Sources */,
 				A92538C92DEE0742007E0A18 /* ShhShellApp.swift in Sources */,
+				A98554612E058433009051BD /* HostsManager.swift in Sources */,
 				A985545D2E055D4D009051BD /* ConnectionView.swift in Sources */,
 				A91AE3B22DF73E0900FF3537 /* TerminalView.swift in Sources */,
 				A98554592E0553AA009051BD /* KeyManager.swift in Sources */,

ShhShell/Host/Host.swift

@@ -7,7 +7,8 @@
 
 import Foundation
 
-protocol HostPr: Codable {
+protocol HostPr: Codable, Identifiable {
+	var id: UUID { get set }
 	var address: String { get set }
 	var port: Int { get set }
 	var username: String { get set }
@@ -16,7 +17,8 @@ protocol HostPr: Codable {
 }
 
 struct Host: HostPr {
-	var address: String = "address"
+	var id = UUID()
+	var address: String = ""
 	var port: Int
 	var username: String
 	var password: String
@@ -37,18 +39,11 @@ struct Host: HostPr {
 	}
 }
 
-struct blankHost: HostPr {
+extension Host {
-	var address: String = ""
+	static var blank: Host {
-	var port: Int = 22
+		Host(address: "", port: 22, username: "", password: "")
-	var username: String = ""
+	}
-	var password: String = ""
+	static var debug: Host {
-	var key: Data? = nil
+		Host(address: "localhost", port: 22, username: "default", password: "")
-}
+	}
-
-struct debugHost: HostPr {
-	var address: String = "localhost"
-	var port: Int = 22
-	var username: String = "default"
-	var password: String = ""
-	var key: Data? = nil
 }

ShhShell/Host/HostsManager.swift

@@ -0,0 +1,35 @@
+//
+//  HostsManager.swift
+//  ShhShell
+//
+//  Created by neon443 on 20/06/2025.
+//
+
+import Foundation
+
+class HostsManager: ObservableObject {
+	private let userDefaults = NSUbiquitousKeyValueStore.default
+	
+	@Published var savedHosts: [Host] = []
+	
+	init() {
+		loadSavedHosts()
+	}
+	
+	func loadSavedHosts() {
+		let decoder = JSONDecoder()
+		guard let data = userDefaults.data(forKey: "savedHosts") else { return }
+		
+		if let decoded = try? decoder.decode([Host].self, from: data) {
+			self.savedHosts = decoded
+		}
+	}
+	
+	func saveSavedHosts() {
+		let encoder = JSONEncoder()
+		if let encoded = try? encoder.encode(savedHosts) {
+			userDefaults.set(encoded, forKey: "savedHosts")
+			userDefaults.synchronize()
+		}
+	}
+}

ShhShell/Keys/KeyManager.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import CryptoKit
 
 struct Key: Identifiable, Hashable {
 	var id = UUID()
@@ -16,6 +17,13 @@ struct Key: Identifiable, Hashable {
 }
 
 class KeyManager: ObservableObject {
+	func generateEd25519() {
+		let privateKey = Curve25519.Signing.PrivateKey()
+		let publicKeyData = privateKey.publicKey
+		dump(privateKey.rawRepresentation)
+		print(publicKeyData.rawRepresentation)
+	}
+	
 	func generateRSA() throws {
 		let type = kSecAttrKeyTypeRSA
 		let tag = "com.neon443.ShhSell.keys.\(Date().timeIntervalSince1970)".data(using: .utf8)!

ShhShell/Keys/KeychainLayer.swift

@@ -0,0 +1,95 @@
+//
+//  KeychainLayer.swift
+//  ShhShell
+//
+//  Created by neon443 on 20/06/2025.
+//
+
+import Foundation
+import CryptoKit
+
+//https://developer.apple.com/documentation/cryptokit/storing-cryptokit-keys-in-the-keychain
+protocol SecKeyConvertible: CustomStringConvertible {
+	// cretes a ket from an x9.63 represenation
+	init<Bytes>(x963Representation: Bytes) throws where Bytes: ContiguousBytes
+	
+	//an x9.63 representation of the key
+	var x963Representation: Data { get }
+}
+
+protocol GenericPasswordConvertible {
+	//creates key from generic rep
+	init<D>(genericKeyRepresentation data: D) throws where D: ContiguousBytes
+	
+	//generic rep of key
+	var genericKeyRepresentation: SymmetricKey { get }
+}
+
+extension Curve25519.KeyAgreement.PrivateKey: GenericPasswordConvertible {
+	init<D>(genericKeyRepresentation data: D) throws where D: ContiguousBytes {
+		try self.init(rawRepresentation: data)
+	}
+	
+	var genericKeyRepresentation: SymmetricKey {
+		self.rawRepresentation.withUnsafeBytes {
+			SymmetricKey(data: $0)
+		}
+	}
+}
+extension Curve25519.Signing.PrivateKey: GenericPasswordConvertible {
+	init<D>(genericKeyRepresentation data: D) throws where D: ContiguousBytes {
+		try self.init(rawRepresentation: data)
+	}
+	
+	var genericKeyRepresentation: SymmetricKey {
+		self.rawRepresentation.withUnsafeBytes {
+			SymmetricKey(data: $0)
+		}
+	}
+}
+
+enum KeyStoreError: Error {
+	case KeyStoreError(String)
+}
+
+func storeKey<T: SecKeyConvertible>(_ key: T, label: String) throws {
+	let attributes = [kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,
+					 kSecAttrKeyClass: kSecAttrKeyClassPrivate] as [String: Any]
+	
+	guard let secKey = SecKeyCreateWithData(
+		key.x963Representation as CFData,
+		attributes as CFDictionary,
+		nil
+	) else {
+		throw KeyStoreError.KeyStoreError("unable to create SecKey represntation")
+	}
+	
+	let query = [kSecClass: kSecClassKey,
+  kSecAttrApplicationLabel: label,
+		kSecAttrAccessible: kSecAttrAccessibleWhenUnlocked,
+kSecUseDataProtectionKeychain: true,
+			  kSecValueRef: secKey] as [String: Any]
+	let status = SecItemAdd(query as CFDictionary, nil)
+	guard status == errSecSuccess else {
+		throw KeyStoreError.KeyStoreError("unable to sstore item \(status)")
+	}
+	
+}
+
+
+func retrieveKey(label: String) throws -> SecKey? {
+	let query = [kSecClass: kSecClassKey,
+  kSecAttrApplicationLabel: label,
+		   kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,
+kSecUseDataProtectionKeychain: true,
+			 kSecReturnRef: true] as [String: Any]
+	
+	var item: CFTypeRef?
+	var secKey: SecKey
+	switch SecItemCopyMatching(query as CFDictionary, &item) {
+	case errSecSuccess: secKey = item as! SecKey
+	case errSecItemNotFound: return nil
+	case let status: throw KeyStoreError.KeyStoreError("keychain read failed")
+	}
+	return secKey
+}

ShhShell/SSH/SSHHandler.swift

@@ -30,7 +30,7 @@ class SSHHandler: ObservableObject {
 	) {
 		self.host = host
 #if DEBUG
-		self.host = debugHost()
+		self.host = Host.debug
 #endif
 	}
 	
@@ -87,9 +87,9 @@ class SSHHandler: ObservableObject {
 		}
 		ssh_disconnect(session)
 		ssh_free(session)
-		session = nil
 		withAnimation { authorized = false }
 		withAnimation { connected = false }
+		session = nil
 		host.key = nil
 	}
 
@@ -296,12 +296,12 @@ class SSHHandler: ObservableObject {
 		guard status == SSH_OK else { return }
 		
 		self.readTimer = Timer(timeInterval: 0.1, repeats: true) { timer in
-			guard ssh_channel_is_open(self.channel) != 0 else {
+			guard self.connected else {
 				timer.invalidate()
 				self.readTimer = nil
 				return
 			}
-			guard ssh_channel_is_eof(self.channel) == 0 else {
+			guard ssh_channel_is_open(self.channel) != 0 && ssh_channel_is_eof(self.channel) == 0 else {
 				timer.invalidate()
 				self.readTimer = nil
 				return

ShhShell/ShhShellApp.swift

@@ -9,14 +9,16 @@ import SwiftUI
 
 @main
 struct ShhShellApp: App {
-	@StateObject var sshHandler: SSHHandler = SSHHandler(host: blankHost())
+	@StateObject var sshHandler: SSHHandler = SSHHandler(host: Host.blank)
 	@StateObject var keyManager: KeyManager = KeyManager()
+	@StateObject var hostsManager: HostsManager = HostsManager()
 	
 	var body: some Scene {
 		WindowGroup {
 			ContentView(
 				handler: sshHandler,
-				keyManager: keyManager
+				keyManager: keyManager,
+				hostsManager: hostsManager
 			)
 		}
 	}

ShhShell/Views/ConnectionView.swift

@@ -10,6 +10,7 @@ import SwiftUI
 struct ConnectionView: View {
 	@StateObject var handler: SSHHandler
 	@StateObject var keyManager: KeyManager
+	@StateObject var hostsManager: HostsManager
 	
 	@State var passphrase: String = ""
 	
@@ -156,7 +157,8 @@ struct ConnectionView: View {
 
 #Preview {
 	ConnectionView(
-		handler: SSHHandler(host: debugHost()),
+		handler: SSHHandler(host: Host.debug),
-		keyManager: KeyManager()
+		keyManager: KeyManager(),
+		hostsManager: HostsManager()
 	)
 }

ShhShell/Views/ContentView.swift

@@ -10,15 +10,16 @@ import SwiftUI
 struct ContentView: View {
 	@ObservedObject var handler: SSHHandler
 	@ObservedObject var keyManager: KeyManager
+	@ObservedObject var hostsManager: HostsManager
 		
     var body: some View {
 		TabView {
-			ConnectionView(
+			HostsView(
-				handler: handler,
+				keyManager: keyManager,
-				keyManager: keyManager
+				hostsManager: hostsManager
 			)
 			.tabItem {
-				Label("Connection", systemImage: "powerplug.portrait")
+				Label("Hosts", systemImage: "server.rack")
 			}
 			KeyManagerView(keyManager: keyManager)
 				.tabItem {
@@ -30,7 +31,8 @@ struct ContentView: View {
 
 #Preview {
     ContentView(
-		handler: SSHHandler(host: debugHost()),
+		handler: SSHHandler(host: Host.debug),
-		keyManager: KeyManager()
+		keyManager: KeyManager(),
+		hostsManager: HostsManager()
 	)
 }

ShhShell/Views/HostsView.swift

@@ -0,0 +1,45 @@
+//
+//  HostsView.swift
+//  ShhShell
+//
+//  Created by neon443 on 20/06/2025.
+//
+
+import SwiftUI
+
+struct HostsView: View {
+	@ObservedObject var keyManager: KeyManager
+	@ObservedObject var hostsManager: HostsManager
+	
+    var body: some View {
+		NavigationStack {
+			List {
+				Text("hi")
+				ForEach(hostsManager.savedHosts) { host in
+					NavigationLink() {
+						ConnectionView(
+							handler: SSHHandler(host: host),
+							keyManager: keyManager,
+							hostsManager: hostsManager
+						)
+					} label: {
+						Text(host.address)
+					}
+				}
+			}
+			.toolbar {
+				ToolbarItem(placement: .confirmationAction) {
+					Button {
+						hostsManager.savedHosts.append(Host.blank)
+					} label: {
+						Label("Add", systemImage: "plus")
+					}
+				}
+			}
+		}
+    }
+}
+
+#Preview {
+	HostsView(keyManager: KeyManager(), hostsManager: HostsManager())
+}

ShhShell/Views/Keys/KeyManagerView.swift

@@ -10,22 +10,20 @@ import SwiftUI
 struct KeyManagerView: View {
 	@ObservedObject var keyManager: KeyManager
 	
-    var body: some View {
+	var body: some View {
-		Button("ed25519") {
+		List {
-			do {
+			Button("ed25519") {
-				try keyManager.generateEd25519()
+				keyManager.generateEd25519()
-			} catch {
+			}
-				print(error.localizedDescription)
+			Button("rsa") {
+				do {
+					try keyManager.generateRSA()
+				} catch {
+					print(error.localizedDescription)
+				}
 			}
 		}
-//		Button("rsa") {
+	}
-//			do {
-//				try keyManager.generateRSA()
-//			} catch {
-//				print(error.localizedDescription)
-//			}
-//		}
-    }
 }
 
 #Preview {

ShhShell/Views/Terminal/TerminalView.swift

@@ -39,5 +39,5 @@ struct TerminalView: View {
 }
 
 #Preview {
-    TerminalView(handler: SSHHandler(host: debugHost()))
+    TerminalView(handler: SSHHandler(host: Host.debug))
 }