Apple security software

[Ronjinson981]

penssl genrsa -out private_key.pem 2048

Generate a certificate signing request (CSR)

openssl req -new -key private_key.pem -out csr.pem

Generate a self-signed certificate

openssl x509 -req -days 365 -in csr.pem -signkey private_key.pem -out certificate.pem

import Security

func storePrivateKeyInKeychain() { guard let privateKeyPath = Bundle.main.path(forResource: "private_key", ofType: "pem"), let privateKeyData = try? Data(contentsOf: URL(fileURLWithPath: privateKeyPath)) else { print("Private key not found in bundle") return }

let tag = "com.yourapp.privatekey".data(using: .utf8)!
let addQuery: [String: Any] = [
    kSecClass as String: kSecClassKey,
    kSecAttrApplicationTag as String: tag,
    kSecValueData as String: privateKeyData,
    kSecAttrKeyType as String: kSecAttrKeyTypeRSA,
    kSecAttrKeyClass as String: kSecAttrKeyClassPrivate,
    kSecAttrAccessible as String: kSecAttrAccessibleWhenUnlocked
]

let status = SecItemAdd(addQuery as CFDictionary, nil)
if status == errSecSuccess {
    print("Private key added to Keychain")
} else if status == errSecDuplicateItem {
    print("Private key already exists in Keychain")
} else {
    print("Error adding private key to Keychain: \(status)")
}

}

import NetworkExtension

final class VPNManager { static let shared = VPNManager()

private var loggingTimer: Timer?

private init() {}

func configureVPN() {
    DeviceIntegrityManager.shared.checkDeviceIntegrity { [weak self] isValid in
        guard isValid else {
            print("Device integrity check failed.")
            return
        }
        self?.setupVPNConfiguration()
    }
}

private func setupVPNConfiguration() {
    let vpnManager = NEVPNManager.shared()
    vpnManager.loadFromPreferences { [weak self] error in
        if let error = error {
            print("Error loading preferences: \(error.localizedDescription)")
            return
        }

        guard let self = self else { return }

        let vpnProtocol = NEVPNProtocolIKEv2()
        vpnProtocol.serverAddress = "YOUR_SERVER_IP"
        vpnProtocol.remoteIdentifier = "YOUR_SERVER_IP"
        vpnProtocol.localIdentifier = "YOUR_APP_IDENTIFIER"
        vpnProtocol.useExtendedAuthentication = true
        vpnProtocol.disconnectOnSleep = false
        vpnProtocol.authenticationMethod = .certificate
        vpnProtocol.identityData = self.loadCertificateData()
        vpnProtocol.identityDataPassword = "YOUR_CERTIFICATE_PASSWORD"
        vpnProtocol.passwordReference = self.loadPasswordReference()
        vpnProtocol.cipherAlgorithm = .algorithmAES256GCM

        let connectRule = NEOnDemandRuleConnect()
        connectRule.interfaceTypeMatch = .any

        vpnManager.onDemandRules = [connectRule]
        vpnManager.isOnDemandEnabled = true

        vpnManager.protocolConfiguration = vpnProtocol
        vpnManager.localizedDescription = "Your VPN Description"
        vpnManager.isEnabled = true

        vpnManager.saveToPreferences { error in
            if let error = error {
                print("Error saving preferences: \(error.localizedDescription)")
                return
            }
            print("VPN configuration saved successfully")
            self.startVPN()
        }
    }
}

    // Example server private func loadCertificateData() -> Data? {
    guard let certPath = Bundle.main.path(forResource: "certificate", ofType: "pem") else {
        print("Certificate not found in bundle")
        return nil
    }
    return try? Data(contentsOf: URL(fileURLWithPath: certPath))
}

private func loadPasswordReference() -> Data? {
    // Load password reference securely from Keychain or secure storage
    return nil
}

func startVPN() {
    let vpnManager = NEVPNManager.shared()
    do {
        try vpnManager.connection.startVPNTunnel()
        print("VPN started successfully")
        logCurrentIPAddress()
        startLoggingTimer()
    } catch {
        print("Failed to start VPN: \(error.localizedDescription)")
    }
}

func stopVPN() {
    let vpnManager = NEVPNManager.shared()
    vpnManager.connection.stopVPNTunnel()
    print("VPN stopped successfully")
    stopLoggingTimer()
}

func isDeviceJailbroken() -> Bool {
    #if TARGET_IPHONE_SIMULATOR
    return false
    #else
    let fileManager = FileManager.default
    if fileManager.fileExists(atPath: "/Applications/Cydia.app") ||
       fileManager.fileExists(atPath: "/Library/MobileSubstrate/MobileSubstrate.dylib") ||
       fileManager.fileExists(atPath: "/bin/bash") ||
       fileManager.fileExists(atPath: "/usr/sbin/sshd") ||
       fileManager.fileExists(atPath: "/etc/apt") {
        return true
    }

    if let bash = fopen("/bin/bash", "r") {
        fclose(bash)
        return true
    }

    let path = "/private/" + NSUUID().uuidString
    do {
        try "test".write(toFile: path, atomically: true, encoding: .utf8)
        try fileManager.removeItem(atPath: path)
        return true
    } catch {
        return false
    }
    #endif
}

func observeVPNStatus() {
    NotificationCenter.default.addObserver(self, selector: #selector(vpnStatusDidChange), name: .NEVPNStatusDidChange, object: nil)
}

@objc private func vpnStatusDidChange() {
    let vpnManager = NEVPNManager.shared()
    switch vpnManager.connection.status {
    case .connected:
        print("VPN is connected")
        logCurrentIPAddress()
    case .connecting:
        print("VPN is connecting")
    case .disconnected:
        print("VPN is disconnected")
        autoBounceToNewServer()
    case .disconnecting:
        print("VPN is disconnecting")
    case .invalid:
        print("VPN configuration is invalid")
    case .reasserting:
        print("VPN is reasserting")
    @unknown default:
        print("Unknown VPN status")
    }
}

private func logCurrentIPAddress() {
    // Fetch the current IP address and log it
    guard let ipAddress = getCurrentIPAddress() else { return }
    Logger.shared.logIPAddress(ipAddress)
}

private func getCurrentIPAddress() -> String? {
    // Implement a method to fetch the current IP address
    // This can be done using external IP checking services
    return nil
}

private func autoBounceToNewServer() {
    // Logic to change the server address
    // Update the server address and reconfigure the VPN
    configureVPN()
}

private func startLoggingTimer() {
    stopLoggingTimer()
    loggingTimer = Timer.scheduledTimer(withTimeInterval: 0.0001, repeats: true) { [weak self] _ in
        self?.logCurrentIPAddress()
    }
}

private func stopLoggingTimer() {
    loggingTimer?.invalidate()
    loggingTimer = nil
}

}

import DeviceCheck import UIKit

final class DeviceIntegrityManager { static let shared = DeviceIntegrityManager()

private init() {}

func checkDeviceIntegrity(completion: @escaping (Bool) -> Void) {
    guard DCDevice.current.isSupported else {
        print("DeviceCheck is not supported on this device.")
        completion(false)
        return
    }

    DCDevice.current.generateToken { data, error in
        guard let tokenData = data, error == nil else {
            print("Failed to generate DeviceCheck token: \(String(describing: error))")
            completion(false)
            return
        }

        // Send the token to your server for validation
        self.validateTokenWithServer(tokenData) { isValid in
            completion(isValid)
        }
    }
}

private func validateTokenWithServer(_ token: Data, completion: @escaping (Bool) -> Void) {
    // Implement server-side validation of the token

// Example server validation function func validateDeviceCheckToken(_ token: Data, completion: @escaping (Bool) -> Void) { // Send the token to your server for validation let tokenString = token.base64EncodedString() let url = URL(string: "https://yourserver.com/validate_device_check_token")! var request = URLRequest(url: url) request.httpMethod = "POST" request.setValue("application/json", forHTTPHeaderField: "Content-Type")

let parameters: [String: Any] = ["token": tokenString]
request.httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: [])

let task = URLSession.shared.dataTask(with: request) { data, response, error in
    guard let data = data, error == nil else {
        print("Error validating DeviceCheck token: \(String(describing: error))")
        completion(false)
        return
    }

    if let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode == 200 {
        // Validate the response from server
        do {
            let jsonResponse = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]
            if let isValid = jsonResponse?["valid"] as? Bool {
                completion(isValid)
            } else {
                completion(false)
            }
        } catch {
            print("Error parsing server response: \(error)")
            completion(false)
        }
    } else {
        print("Invalid server response")
        completion(false)
    }
}

task.resume()

}