Convert CocoaPods project to SwiftPM

.gitignore

@@ -7,3 +7,5 @@
 Pods
 docs
 build
+.swiftpm
+.build

.jazzy.yaml

@@ -5,14 +5,6 @@ author_url: "https://github.com/passepartoutvpn/tunnelkit"
 
 theme: fullwidth
 
-xcodebuild_arguments:
-    - "-workspace"
-    - "TunnelKit.xcworkspace"
-    - "-scheme"
-    - "TunnelKit-iOS"
-    - "-sdk"
-    - "iphoneos"
-
 custom_categories:
     - name: Core
       children:

Demo/Demo/Configuration.swift

@@ -24,7 +24,8 @@
 //
 
 import Foundation
-import TunnelKit
+import TunnelKitCore
+import TunnelKitOpenVPN
 
 struct Configuration {
     static let ca = OpenVPN.CryptoContainer(pem: """

Demo/Demo/PacketTunnelProvider.swift

@@ -23,7 +23,7 @@
 //  along with TunnelKit.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-import TunnelKit
+import TunnelKitOpenVPN
 
 class PacketTunnelProvider: OpenVPNTunnelProvider {
 }

Demo/Demo/iOS/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Demo/Demo/iOS/ViewController.swift

@@ -24,7 +24,10 @@
 //
 
 import UIKit
-import TunnelKit
+import TunnelKitCore
+import TunnelKitAppExtension
+import TunnelKitManager
+import TunnelKitOpenVPN
 
 private let appGroup = "group.com.algoritmico.TunnelKit.Demo"
 

Demo/Demo/macOS/ViewController.swift

@@ -24,7 +24,10 @@
 //
 
 import Cocoa
-import TunnelKit
+import TunnelKitCore
+import TunnelKitAppExtension
+import TunnelKitManager
+import TunnelKitOpenVPN
 
 private let appGroup = "DTDYD63ZX9.group.com.algoritmico.TunnelKit.Demo"
 

Gemfile

@@ -1,3 +0,0 @@
-source "https://rubygems.org"
-
-gem "cocoapods"

Gemfile.lock

@@ -1,97 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    CFPropertyList (3.0.4)
-      rexml
-    activesupport (6.1.4.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    algoliasearch (1.27.5)
-      httpclient (~> 2.8, >= 2.8.3)
-      json (>= 1.5.1)
-    atomos (0.1.3)
-    claide (1.0.3)
-    cocoapods (1.11.2)
-      addressable (~> 2.8)
-      claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.11.2)
-      cocoapods-deintegrate (>= 1.0.3, < 2.0)
-      cocoapods-downloader (>= 1.4.0, < 2.0)
-      cocoapods-plugins (>= 1.0.0, < 2.0)
-      cocoapods-search (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.4.0, < 2.0)
-      cocoapods-try (>= 1.1.0, < 2.0)
-      colored2 (~> 3.1)
-      escape (~> 0.0.4)
-      fourflusher (>= 2.3.0, < 3.0)
-      gh_inspector (~> 1.0)
-      molinillo (~> 0.8.0)
-      nap (~> 1.0)
-      ruby-macho (>= 1.0, < 3.0)
-      xcodeproj (>= 1.21.0, < 2.0)
-    cocoapods-core (1.11.2)
-      activesupport (>= 5.0, < 7)
-      addressable (~> 2.8)
-      algoliasearch (~> 1.0)
-      concurrent-ruby (~> 1.1)
-      fuzzy_match (~> 2.0.4)
-      nap (~> 1.0)
-      netrc (~> 0.11)
-      public_suffix (~> 4.0)
-      typhoeus (~> 1.0)
-    cocoapods-deintegrate (1.0.5)
-    cocoapods-downloader (1.5.1)
-    cocoapods-plugins (1.0.0)
-      nap
-    cocoapods-search (1.0.1)
-    cocoapods-trunk (1.6.0)
-      nap (>= 0.8, < 2.0)
-      netrc (~> 0.11)
-    cocoapods-try (1.2.0)
-    colored2 (3.1.2)
-    concurrent-ruby (1.1.9)
-    escape (0.0.4)
-    ethon (0.15.0)
-      ffi (>= 1.15.0)
-    ffi (1.15.4)
-    fourflusher (2.3.1)
-    fuzzy_match (2.0.4)
-    gh_inspector (1.1.3)
-    httpclient (2.8.3)
-    i18n (1.8.10)
-      concurrent-ruby (~> 1.0)
-    json (2.6.0)
-    minitest (5.14.4)
-    molinillo (0.8.0)
-    nanaimo (0.3.0)
-    nap (1.1.0)
-    netrc (0.11.0)
-    public_suffix (4.0.6)
-    rexml (3.2.5)
-    ruby-macho (2.5.1)
-    typhoeus (1.4.0)
-      ethon (>= 0.9.0)
-    tzinfo (2.0.4)
-      concurrent-ruby (~> 1.0)
-    xcodeproj (1.21.0)
-      CFPropertyList (>= 2.3.3, < 4.0)
-      atomos (~> 0.1.3)
-      claide (>= 1.0.2, < 2.0)
-      colored2 (~> 3.1)
-      nanaimo (~> 0.3.0)
-      rexml (~> 3.2.4)
-    zeitwerk (2.4.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  cocoapods
-
-BUNDLED WITH
-   2.2.15

Package.resolved

@@ -0,0 +1,25 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "openssl-apple",
+        "repositoryURL": "https://github.com/keeshux/openssl-apple",
+        "state": {
+          "branch": null,
+          "revision": "1889136399ba40e4fc358cfe7fafef7170aac3f7",
+          "version": "1.1.112"
+        }
+      },
+      {
+        "package": "SwiftyBeaver",
+        "repositoryURL": "https://github.com/SwiftyBeaver/SwiftyBeaver",
+        "state": {
+          "branch": null,
+          "revision": "2c039501d6eeb4d4cd4aec4a8d884ad28862e044",
+          "version": "1.9.5"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Package.swift

@@ -0,0 +1,116 @@
+// swift-tools-version:5.5
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "TunnelKit",
+    platforms: [
+        .macOS(.v10_15), .iOS(.v12)
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "TunnelKitCore",
+            targets: ["TunnelKitCore"]
+        ),
+        .library(
+            name: "TunnelKitAppExtension",
+            targets: ["TunnelKitAppExtension"]
+        ),
+        .library(
+            name: "TunnelKitManager",
+            targets: ["TunnelKitManager"]
+        ),
+        .library(
+            name: "TunnelKitNative",
+            targets: ["TunnelKitNative"]
+        ),
+        .library(
+            name: "TunnelKitOpenVPN",
+            targets: ["TunnelKitOpenVPN"]
+        ),
+        .library(
+            name: "TunnelKitLZO",
+            targets: ["TunnelKitLZO"]
+        )
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+        .package(url: "https://github.com/SwiftyBeaver/SwiftyBeaver", from: "1.9.0"),
+        .package(url: "https://github.com/keeshux/openssl-apple", from: "1.1.100")
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "TunnelKitCore",
+            dependencies: [
+                "InternalUtils",
+                "TunnelKitCoreObjC",
+                "SwiftyBeaver"]),
+        .target(
+            name: "TunnelKitCoreObjC",
+            dependencies: []),
+        .target(
+            name: "TunnelKitAppExtension",
+            dependencies: [
+                "TunnelKitCore",
+                "SwiftyBeaver"]),
+        .target(
+            name: "TunnelKitManager",
+            dependencies: [
+                "TunnelKitCore"]),
+        .target(
+            name: "TunnelKitNative",
+            dependencies: [
+                "TunnelKitCore",
+                "TunnelKitManager"]),
+        .target(
+            name: "TunnelKitOpenVPN",
+            dependencies: [
+                "TunnelKitCore",
+                "TunnelKitOpenVPNObjC",
+                "TunnelKitAppExtension",
+                "TunnelKitManager"]),
+        .target(
+            name: "TunnelKitOpenVPNObjC",
+            dependencies: [
+                "TunnelKitCoreObjC",
+                "openssl-apple"]),
+        .target(
+            name: "TunnelKitLZO",
+            dependencies: [],
+            exclude: [
+                "lib/COPYING",
+                "lib/Makefile",
+                "lib/README.LZO"
+            ]),
+        .target(
+            name: "InternalUtils",
+            dependencies: []),
+        .testTarget(
+            name: "TunnelKitCoreTests",
+            dependencies: [
+                "TunnelKitCore",
+                "TunnelKitCoreObjC"
+            ]),
+        .testTarget(
+            name: "TunnelKitOpenVPNTests",
+            dependencies: [
+                "TunnelKitCoreTests",
+                "TunnelKitOpenVPN",
+                "TunnelKitOpenVPNObjC",
+                "TunnelKitLZO"
+            ],
+            resources: [
+                .process("Resources")
+            ]),
+        .testTarget(
+            name: "TunnelKitLZOTests",
+            dependencies: [
+                "TunnelKitLZO"
+            ]),
+    ]
+)

Podfile

@@ -1,41 +0,0 @@
-source 'https://github.com/CocoaPods/Specs.git'
-use_frameworks!
-
-def shared_pods
-    pod 'SwiftyBeaver'
-    pod 'OpenSSL-Apple', '~> 1.1.1l.11'
-end
-
-def demo_pods
-    pod 'SwiftyBeaver'
-end
-
-abstract_target 'ios' do
-    platform :ios, '12.0'
-    target 'TunnelKit-iOS' do
-        shared_pods
-    end
-    target 'TunnelKitTests-iOS' do
-    end
-    target 'TunnelKitHost' do
-    end
-    target 'TunnelKitDemo-iOS' do
-        demo_pods
-    end
-    target 'TunnelKitDemoTunnel-iOS' do
-    end
-end
-
-abstract_target 'macos' do
-    platform :osx, '10.15'
-    target 'TunnelKit-macOS' do
-        shared_pods
-    end
-    target 'TunnelKitTests-macOS' do
-    end
-    target 'TunnelKitDemo-macOS' do
-        demo_pods
-    end
-    target 'TunnelKitDemoTunnel-macOS' do
-    end
-end

Podfile.lock

@@ -1,20 +0,0 @@
-PODS:
-  - OpenSSL-Apple (1.1.1l.11)
-  - SwiftyBeaver (1.9.5)
-
-DEPENDENCIES:
-  - OpenSSL-Apple (~> 1.1.1l.11)
-  - SwiftyBeaver
-
-SPEC REPOS:
-  https://github.com/CocoaPods/Specs.git:
-    - OpenSSL-Apple
-    - SwiftyBeaver
-
-SPEC CHECKSUMS:
-  OpenSSL-Apple: fb93d9a7ce4529054764ce19bb80947a38aee09b
-  SwiftyBeaver: 84069991dd5dca07d7069100985badaca7f0ce82
-
-PODFILE CHECKSUM: acb440e8c365ee318f02b159fee4a173163fa454
-
-COCOAPODS: 1.11.2

Sources/InternalUtils/Data+Manipulation.swift

@@ -39,8 +39,9 @@ import Foundation
 // hex -> Data conversion code from: http://stackoverflow.com/questions/32231926/nsdata-from-hex-string
 // Data -> hex conversion code from: http://stackoverflow.com/questions/39075043/how-to-convert-data-to-hex-string-in-swift
 
+/// :nodoc:
 extension UnicodeScalar {
-    var hexNibble: UInt8 {
+    public var hexNibble: UInt8 {
         let value = self.value
         if 48 <= value && value <= 57 {
             return UInt8(value - 48)
@@ -55,8 +56,9 @@ extension UnicodeScalar {
     }
 }
 
+/// :nodoc:
 extension Data {
-    init(hex: String) {
+    public init(hex: String) {
         let scalars = hex.unicodeScalars
         var bytes = Array<UInt8>(repeating: 0, count: (scalars.count + 1) >> 1)
         for (index, scalar) in scalars.enumerated() {
@@ -69,21 +71,22 @@ extension Data {
         self = Data(bytes)
     }
 
-    func toHex() -> String {
+    public func toHex() -> String {
         return map { String(format: "%02hhx", $0) }.joined()
     }
     
-    mutating func zero() {
+    public mutating func zero() {
         resetBytes(in: 0..<count)
     }
 
-    mutating func zero(from: Int, to: Int) {
+    public mutating func zero(from: Int, to: Int) {
         resetBytes(in: from..<to)
     }
 }
 
+/// :nodoc:
 extension Data {
-    mutating func append(_ value: UInt16) {
+    public mutating func append(_ value: UInt16) {
         var localValue = value
         let buffer = withUnsafePointer(to: &localValue) {
             return UnsafeBufferPointer(start: $0, count: 1)
@@ -91,7 +94,7 @@ extension Data {
         append(buffer)
     }
     
-    mutating func append(_ value: UInt32) {
+    public mutating func append(_ value: UInt32) {
         var localValue = value
         let buffer = withUnsafePointer(to: &localValue) {
             return UnsafeBufferPointer(start: $0, count: 1)
@@ -99,7 +102,7 @@ extension Data {
         append(buffer)
     }
     
-    mutating func append(_ value: UInt64) {
+    public mutating func append(_ value: UInt64) {
         var localValue = value
         let buffer = withUnsafePointer(to: &localValue) {
             return UnsafeBufferPointer(start: $0, count: 1)
@@ -107,12 +110,12 @@ extension Data {
         append(buffer)
     }
     
-    mutating func append(nullTerminatedString: String) {
+    public mutating func append(nullTerminatedString: String) {
         append(nullTerminatedString.data(using: .ascii)!)
         append(UInt8(0))
     }
 
-    func nullTerminatedString(from: Int) -> String? {
+    public func nullTerminatedString(from: Int) -> String? {
         var nullOffset: Int?
         for i in from..<count {
             if (self[i] == 0) {
@@ -127,7 +130,7 @@ extension Data {
     }
 
     // best
-    func UInt16Value(from: Int) -> UInt16 {
+    public func UInt16Value(from: Int) -> UInt16 {
         var value: UInt16 = 0
         for i in 0..<2 {
             let byte = self[from + i]
@@ -169,7 +172,7 @@ extension Data {
     }
     
     // best
-    func UInt32Value(from: Int) -> UInt32 {
+    public func UInt32Value(from: Int) -> UInt32 {
         return subdata(in: from..<(from + 4)).withUnsafeBytes {
             $0.load(as: UInt32.self)
         }
@@ -188,39 +191,43 @@ extension Data {
         return value
     }
 
-    func networkUInt16Value(from: Int) -> UInt16 {
+    public func networkUInt16Value(from: Int) -> UInt16 {
         return UInt16(bigEndian: subdata(in: from..<(from + 2)).withUnsafeBytes {
             $0.load(as: UInt16.self)
         })
     }
 
-    func networkUInt32Value(from: Int) -> UInt32 {
+    public func networkUInt32Value(from: Int) -> UInt32 {
         return UInt32(bigEndian: subdata(in: from..<(from + 4)).withUnsafeBytes {
             $0.load(as: UInt32.self)
         })
     }
 }
 
+/// :nodoc:
 extension Data {
-    func subdata(offset: Int, count: Int) -> Data {
+    public func subdata(offset: Int, count: Int) -> Data {
         return subdata(in: offset..<(offset + count))
     }
 }
 
+/// :nodoc:
 extension Array where Element == Data {
-    var flatCount: Int {
+    public var flatCount: Int {
         return reduce(0) { $0 + $1.count }
     }
 }
 
+/// :nodoc:
 extension UnsafeRawBufferPointer {
-    var bytePointer: UnsafePointer<Element> {
+    public var bytePointer: UnsafePointer<Element> {
         return bindMemory(to: Element.self).baseAddress!
     }
 }
 
+/// :nodoc:
 extension UnsafeMutableRawBufferPointer {
-    var bytePointer: UnsafeMutablePointer<Element> {
+    public var bytePointer: UnsafeMutablePointer<Element> {
         return bindMemory(to: Element.self).baseAddress!
     }
 }

Sources/InternalUtils/NSRegularExpression+Shortcuts.swift

@@ -25,12 +25,13 @@
 
 import Foundation
 
+/// :nodoc:
 extension NSRegularExpression {
-    convenience init(_ pattern: String) {
+    public convenience init(_ pattern: String) {
         try! self.init(pattern: pattern, options: [])
     }
 
-    func enumerateComponents(in string: String, using block: ([String]) -> Void) {
+    public func enumerateComponents(in string: String, using block: ([String]) -> Void) {
         enumerateMatches(in: string, options: [], range: NSMakeRange(0, string.count)) { (result, flags, stop) in
             guard let range = result?.range else {
                 return
@@ -41,7 +42,7 @@ extension NSRegularExpression {
         }
     }
     
-    func enumerateArguments(in string: String, using block: ([String]) -> Void) {
+    public func enumerateArguments(in string: String, using block: ([String]) -> Void) {
         enumerateComponents(in: string) { (tokens) in
             var args = tokens
             args.removeFirst()

Sources/InternalUtils/Utils.swift

@@ -44,7 +44,7 @@ public extension DispatchQueue {
 }
 
 /// :nodoc:
-func fromDictionary<T: Decodable>(_ type: T.Type, _ dictionary: [String: Any]) throws -> T {
+public func fromDictionary<T: Decodable>(_ type: T.Type, _ dictionary: [String: Any]) throws -> T {
     let data = try JSONSerialization.data(withJSONObject: dictionary, options: .fragmentsAllowed)
     return try JSONDecoder().decode(T.self, from: data)
 }
@@ -62,7 +62,7 @@ public extension Encodable {
 
 /// :nodoc:
 extension TimeInterval {
-    var asTimeString: String {
+    public var asTimeString: String {
         var ticks = Int(self)
         let hours = ticks / 3600
         ticks %= 3600

Sources/TunnelKitAppExtension/LinkProducer.swift

@@ -24,6 +24,7 @@
 //
 
 import Foundation
+import TunnelKitCore
 
 /// Entity able to produce a `LinkInterface`.
 public protocol LinkProducer {

Sources/TunnelKitAppExtension/Transport/NETCPSocket.swift

@@ -37,6 +37,7 @@
 import Foundation
 import NetworkExtension
 import SwiftyBeaver
+import TunnelKitCore
 
 private let log = SwiftyBeaver.self
 

Sources/TunnelKitAppExtension/Transport/NETunnelInterface.swift

@@ -36,6 +36,7 @@
 
 import Foundation
 import NetworkExtension
+import TunnelKitCore
 import SwiftyBeaver
 
 private let log = SwiftyBeaver.self

Sources/TunnelKitAppExtension/Transport/NEUDPSocket.swift

@@ -37,6 +37,7 @@
 import Foundation
 import NetworkExtension
 import SwiftyBeaver
+import TunnelKitCore
 
 private let log = SwiftyBeaver.self
 

Sources/TunnelKitCore/CoreConfiguration.swift

@@ -36,10 +36,11 @@
 
 import Foundation
 
-class CoreConfiguration {
-    static let identifier = "com.algoritmico.TunnelKit"
+/// :nodoc:
+public class CoreConfiguration {
+    public static let identifier = "com.algoritmico.TunnelKit"
     
-    static let version: String = {
+    public static let version: String = {
         let bundle = Bundle(for: CoreConfiguration.self)
         guard let info = bundle.infoDictionary else {
             return ""
@@ -55,17 +56,17 @@ class CoreConfiguration {
     }()
 
     // configurable
-    static var masksPrivateData = true
+    public static var masksPrivateData = true
 
-    static var versionIdentifier: String?
+    public static var versionIdentifier: String?
     
-    static let logsSensitiveData = false
+    public static let logsSensitiveData = false
 
-    static var reconnectionDelay = 2.0
+    public static var reconnectionDelay = 2.0
 }
 
 extension CustomStringConvertible {
-    var maskedDescription: String {
+    public var maskedDescription: String {
         guard CoreConfiguration.masksPrivateData else {
             return description
         }

Sources/TunnelKitCore/DNSResolver.swift

@@ -44,6 +44,12 @@ public struct DNSRecord {
 
     /// `true` if IPv6.
     public let isIPv6: Bool
+
+    /// :nodoc:
+    public init(address: String, isIPv6: Bool) {
+        self.address = address
+        self.isIPv6 = isIPv6
+    }
 }
 
 /// Convenient methods for DNS resolution.

Sources/TunnelKitCore/Errors.swift

@@ -24,15 +24,15 @@
 //
 
 import Foundation
-import __TunnelKitCore
+import TunnelKitCoreObjC
 
 extension Error {
-    func isTunnelKitError() -> Bool {
+    public func isTunnelKitError() -> Bool {
         let te = self as NSError
         return te.domain == TunnelKitErrorDomain
     }
     
-    func tunnelKitErrorCode() -> TunnelKitErrorCode? {
+    public func tunnelKitErrorCode() -> TunnelKitErrorCode? {
         let te = self as NSError
         guard te.domain == TunnelKitErrorDomain else {
             return nil

Sources/TunnelKitCore/IPv4Settings.swift

@@ -40,7 +40,8 @@ public struct IPv4Settings: Codable, CustomStringConvertible {
         /// The address of the gateway (uses default gateway if not set).
         public let gateway: String
         
-        init(_ destination: String, _ mask: String?, _ gateway: String) {
+        /// :nodoc:
+        public init(_ destination: String, _ mask: String?, _ gateway: String) {
             self.destination = destination
             self.mask = mask ?? "255.255.255.255"
             self.gateway = gateway
@@ -66,6 +67,14 @@ public struct IPv4Settings: Codable, CustomStringConvertible {
     /// The additional routes.
     public let routes: [Route]
     
+    /// :nodoc:
+    public init(address: String, addressMask: String, defaultGateway: String, routes: [Route]) {
+        self.address = address
+        self.addressMask = addressMask
+        self.defaultGateway = defaultGateway
+        self.routes = routes
+    }
+    
     // MARK: CustomStringConvertible
     
     /// :nodoc:

Sources/TunnelKitCore/IPv6Settings.swift

@@ -40,7 +40,8 @@ public struct IPv6Settings: Codable, CustomStringConvertible {
         /// The address of the gateway (uses default gateway if not set).
         public let gateway: String
         
-        init(_ destination: String, _ prefixLength: UInt8?, _ gateway: String) {
+        /// :nodoc:
+        public init(_ destination: String, _ prefixLength: UInt8?, _ gateway: String) {
             self.destination = destination
             self.prefixLength = prefixLength ?? 3
             self.gateway = gateway
@@ -66,6 +67,14 @@ public struct IPv6Settings: Codable, CustomStringConvertible {
     /// The additional routes.
     public let routes: [Route]
     
+    /// :nodoc:
+    public init(address: String, addressPrefixLength: UInt8, defaultGateway: String, routes: [Route]) {
+        self.address = address
+        self.addressPrefixLength = addressPrefixLength
+        self.defaultGateway = defaultGateway
+        self.routes = routes
+    }
+
     // MARK: CustomStringConvertible
     
     /// :nodoc:

Sources/TunnelKitCore/SecureRandom.swift

@@ -36,13 +36,16 @@
 
 import Foundation
 import Security.SecRandom
-import __TunnelKitCore
+import TunnelKitCoreObjC
+import InternalUtils
 
-enum SecureRandomError: Error {
+/// :nodoc:
+public enum SecureRandomError: Error {
     case randomGenerator
 }
 
-class SecureRandom {
+/// :nodoc:
+public class SecureRandom {
     @available(*, deprecated)
     static func uint32FromBuffer() throws -> UInt32 {
         var randomBuffer = [UInt8](repeating: 0, count: 4)
@@ -59,7 +62,7 @@ class SecureRandom {
         return randomNumber
     }
     
-    static func uint32() throws -> UInt32 {
+    public static func uint32() throws -> UInt32 {
         var randomNumber: UInt32 = 0
         
         try withUnsafeMutablePointer(to: &randomNumber) {
@@ -73,7 +76,7 @@ class SecureRandom {
         return randomNumber
     }
 
-    static func data(length: Int) throws -> Data {
+    public static func data(length: Int) throws -> Data {
         var randomData = Data(count: length)
 
         try randomData.withUnsafeMutableBytes {
@@ -86,7 +89,7 @@ class SecureRandom {
         return randomData
     }
 
-    static func safeData(length: Int) throws -> ZeroingData {
+    public static func safeData(length: Int) throws -> ZeroingData {
         let randomBytes = UnsafeMutablePointer<UInt8>.allocate(capacity: length)
         defer {
 //            randomBytes.initialize(to: 0, count: length)

Sources/TunnelKitCore/ZeroingData.swift

@@ -35,36 +35,36 @@
 //
 
 import Foundation
-import __TunnelKitCore
+import TunnelKitCoreObjC
 
-func Z() -> ZeroingData {
+public func Z() -> ZeroingData {
     return ZeroingData()
 }
 
-func Z(count: Int) -> ZeroingData {
+public func Z(count: Int) -> ZeroingData {
     return ZeroingData(count: count)
 }
 
-func Z(bytes: UnsafePointer<UInt8>, count: Int) -> ZeroingData {
+public func Z(bytes: UnsafePointer<UInt8>, count: Int) -> ZeroingData {
     return ZeroingData(bytes: bytes, count: count)
 }
 
-func Z(_ uint8: UInt8) -> ZeroingData {
+public func Z(_ uint8: UInt8) -> ZeroingData {
     return ZeroingData(uInt8: uint8)
 }
 
-func Z(_ uint16: UInt16) -> ZeroingData {
+public func Z(_ uint16: UInt16) -> ZeroingData {
     return ZeroingData(uInt16: uint16)
 }
 
-func Z(_ data: Data) -> ZeroingData {
+public func Z(_ data: Data) -> ZeroingData {
     return ZeroingData(data: data)
 }
 
-//func Z(_ data: Data, _ offset: Int, _ count: Int) -> ZeroingData {
+//public func Z(_ data: Data, _ offset: Int, _ count: Int) -> ZeroingData {
 //    return ZeroingData(data: data, offset: offset, count: count)
 //}
 
-func Z(_ string: String, nullTerminated: Bool) -> ZeroingData {
+public func Z(_ string: String, nullTerminated: Bool) -> ZeroingData {
     return ZeroingData(string: string, nullTerminated: nullTerminated)
 }

Sources/TunnelKitCoreObjC/LZOFactory.m

@@ -1,5 +1,5 @@
 //
-//  LZO.m
+//  LZOFactory.m
 //  TunnelKit
 //
 //  Created by Davide De Rosa on 3/18/19.
@@ -23,7 +23,7 @@
 //  along with TunnelKit.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-#import "LZO.h"
+#import "LZOFactory.h"
 #import "ZeroingData.h"
 
 static NSString *const LZOClassName = @"StandardLZO";
@@ -34,12 +34,16 @@ static Class LZOClass()
     return [bundle classNamed:LZOClassName];
 }
 
-BOOL LZOIsSupported()
+@implementation LZOFactory
+
++ (BOOL)isSupported
 {
     return LZOClass() != nil;
 }
 
-id<LZO> LZOCreate()
++ (id<CompressionProvider>)create
 {
     return [[LZOClass() alloc] init];
 }
+
+@end

Sources/TunnelKitCoreObjC/RoutingTableEntry.m

@@ -411,6 +411,7 @@ char *routename(uint32_t in)
 char *routename6(struct sockaddr_in6 *sa6)
 {
     static char line[MAXHOSTNAMELEN];
+    int flag = NI_NUMERICHOST;
     /* use local variable for safety */
     struct sockaddr_in6 sa6_local = {sizeof(sa6_local), AF_INET6, };
     
@@ -480,9 +481,10 @@ char *netname(uint32_t in, uint32_t mask)
 
 char *netname6(struct sockaddr_in6 *sa6, struct sockaddr *sam)
 {
+    char host[MAXHOSTNAMELEN];
     static char line[MAXHOSTNAMELEN + 10];
     u_char *lim;
-    int masklen, illegal = 0;
+    int masklen, illegal = 0, flag = NI_NUMERICHOST;
     struct in6_addr *mask = sam ? &((struct sockaddr_in6 *)sam)->sin6_addr : 0;
     
     if (sam && sam->sa_len == 0) {

Sources/TunnelKitCoreObjC/include/CompressionProvider.h

@@ -1,5 +1,5 @@
 //
-//  LZO.h
+//  CompressionProvider.h
 //  TunnelKit
 //
 //  Created by Davide De Rosa on 3/18/19.
@@ -27,7 +27,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@protocol LZO
+@protocol CompressionProvider
 
 - (nullable NSData *)compressedDataWithData:(NSData *)data error:(NSError **)error;
 - (nullable NSData *)decompressedDataWithData:(NSData *)data error:(NSError **)error;
@@ -35,8 +35,4 @@ NS_ASSUME_NONNULL_BEGIN
 
 @end
 
-//+ (NSString *)versionString;
-BOOL LZOIsSupported(void);
-id<LZO> LZOCreate(void);
-
 NS_ASSUME_NONNULL_END

Sources/TunnelKitCoreObjC/include/LZOFactory.h

@@ -1,8 +1,8 @@
 //
-//  DNS.h
+//  LZOFactory.h
 //  TunnelKit
 //
-//  Created by Davide De Rosa on 4/25/19.
+//  Created by Davide De Rosa on 3/18/19.
 //  Copyright (c) 2021 Davide De Rosa. All rights reserved.
 //
 //  https://github.com/passepartoutvpn
@@ -24,13 +24,16 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "CompressionProvider.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface DNS : NSObject
+@interface LZOFactory : NSObject
+
+//+ (NSString *)versionString;
++ (BOOL)isSupported;
++ (id<CompressionProvider>)create;
 
-- (NSArray<NSString *> *)systemServers;
-    
 @end
 
 NS_ASSUME_NONNULL_END

Sources/TunnelKitLZO/StandardLZO.m

@@ -23,9 +23,8 @@
 //  along with TunnelKit.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-#import "minilzo.h"
+#import "lib/minilzo.h"
 
-#import "LZO.h"
 #import "Errors.h"
 
 #define HEAP_ALLOC(var,size) \
@@ -35,7 +34,7 @@ lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo
 
 static HEAP_ALLOC(wrkmem, LZO1X_1_MEM_COMPRESS);
 
-@interface StandardLZO : NSObject <LZO>
+@interface StandardLZO : NSObject
 
 @property (nonatomic, strong) NSMutableData *decompressedBuffer;
 

Sources/TunnelKitLZO/include/Errors.h

@@ -0,0 +1 @@
+../../TunnelKitCoreObjC/include/Errors.h

Sources/TunnelKitLZO/include/lzo/lzoconf.h

@@ -0,0 +1 @@
+../../lib/lzoconf.h

Sources/TunnelKitLZO/include/lzo/lzodefs.h

@@ -0,0 +1 @@
+../../lib/lzodefs.h