Support OpenVPN 2.5 --data-ciphers

When present, pick cipher among available data ciphers from
configuration, rather than all recognized ciphers.

Reorder available ciphers by decreasing "security".

Passepartout/App/iOS/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Support `--data-ciphers` from OpenVPN 2.5 [tunnelkit#193](https://github.com/passepartoutvpn/tunnelkit/issues/193)
+
 ### Changed
 
 - Drop hosts restriction in free version ("Unlimited hosts").

Passepartout/App/iOS/Scenes/ConfigurationViewController.swift

@@ -352,10 +352,19 @@ extension ConfigurationViewController: UITableViewDataSource, UITableViewDelegat
         
         switch model.row(at: indexPath) {
         case .cipher:
+            var options: [OpenVPN.Cipher] = configuration.dataCiphers ?? []
+            if !options.isEmpty {
+                if let cipher = configuration.cipher, !options.contains(cipher) {
+                    options.append(cipher)
+                }
+            } else {
+                options.append(contentsOf: OpenVPN.Cipher.available)
+            }
+            
             let vc = SingleOptionViewController<OpenVPN.Cipher>()
             vc.applyTint(.current)
             vc.title = settingCell?.leftText
-            vc.options = OpenVPN.Cipher.available
+            vc.options = options
             vc.selectedOption = configuration.cipher
             vc.descriptionBlock = { $0.description }
             vc.selectionBlock = { [weak self] in

Passepartout/App/macOS/Scenes/Service/Customization/ConfigurationViewController.swift

@@ -155,9 +155,19 @@ class ConfigurationViewController: NSViewController, ProfileCustomization {
         popupDigest.removeAllItems()
         popupCompressionFraming.removeAllItems()
         popupCompressionAlgorithm.removeAllItems()
-        for cipher in OpenVPN.Cipher.available {
+
+        var cipherOptions: [OpenVPN.Cipher] = configuration.dataCiphers ?? []
+        if !cipherOptions.isEmpty {
+            if let cipher = configuration.cipher, !cipherOptions.contains(cipher) {
+                cipherOptions.append(cipher)
+            }
+        } else {
+            cipherOptions.append(contentsOf: OpenVPN.Cipher.available)
+        }
+        for cipher in cipherOptions {
             popupCipher.addItem(withTitle: cipher.rawValue)
         }
+
         for digest in OpenVPN.Digest.available {
             popupDigest.addItem(withTitle: digest.rawValue)
         }

Passepartout/Core/Sources/Model/OpenVPNOptions.swift

@@ -28,12 +28,12 @@ import TunnelKit
 
 extension OpenVPN.Cipher {
     public static let available: [OpenVPN.Cipher] = [
-        .aes128cbc,
-        .aes192cbc,
-        .aes256cbc,
-        .aes128gcm,
+        .aes256gcm,
         .aes192gcm,
-        .aes256gcm
+        .aes128gcm,
+        .aes256cbc,
+        .aes192cbc,
+        .aes128cbc
     ]
 }
 

Podfile

@@ -8,7 +8,7 @@ $tunnelkit_specs = ['Protocols/OpenVPN', 'Extra/LZO']
 
 def shared_pods
     #pod_version $tunnelkit_name, $tunnelkit_specs, '~> 3.1.0'
-    pod_git $tunnelkit_name, $tunnelkit_specs, '2886222'
+    pod_git $tunnelkit_name, $tunnelkit_specs, 'c15d6f5'
     #pod_path $tunnelkit_name, $tunnelkit_specs, '..'
     pod 'SSZipArchive'
     pod 'Kvitto', :git => 'https://github.com/keeshux/Kvitto', :branch => 'enable-macos-spec'

Podfile.lock

@@ -24,15 +24,15 @@ PODS:
   - OpenSSL-Apple (1.1.1h.10)
   - SSZipArchive (2.2.3)
   - SwiftyBeaver (1.9.3)
-  - TunnelKit/AppExtension (3.2.0):
+  - TunnelKit/AppExtension (3.3.0):
     - SwiftyBeaver
     - TunnelKit/Core
-  - TunnelKit/Core (3.2.0):
+  - TunnelKit/Core (3.3.0):
     - SwiftyBeaver
-  - TunnelKit/Extra/LZO (3.2.0)
-  - TunnelKit/Manager (3.2.0):
+  - TunnelKit/Extra/LZO (3.3.0)
+  - TunnelKit/Manager (3.3.0):
     - SwiftyBeaver
-  - TunnelKit/Protocols/OpenVPN (3.2.0):
+  - TunnelKit/Protocols/OpenVPN (3.3.0):
     - OpenSSL-Apple (~> 1.1.1h.10)
     - TunnelKit/AppExtension
     - TunnelKit/Core
@@ -52,8 +52,8 @@ DEPENDENCIES:
   - Kvitto (from `https://github.com/keeshux/Kvitto`, branch `enable-macos-spec`)
   - MBProgressHUD
   - SSZipArchive
-  - TunnelKit/Extra/LZO (from `https://github.com/passepartoutvpn/tunnelkit`, commit `2886222`)
-  - TunnelKit/Protocols/OpenVPN (from `https://github.com/passepartoutvpn/tunnelkit`, commit `2886222`)
+  - TunnelKit/Extra/LZO (from `https://github.com/passepartoutvpn/tunnelkit`, commit `c15d6f5`)
+  - TunnelKit/Protocols/OpenVPN (from `https://github.com/passepartoutvpn/tunnelkit`, commit `c15d6f5`)
 
 SPEC REPOS:
   https://github.com/cocoapods/specs.git:
@@ -71,7 +71,7 @@ EXTERNAL SOURCES:
     :branch: enable-macos-spec
     :git: https://github.com/keeshux/Kvitto
   TunnelKit:
-    :commit: '2886222'
+    :commit: c15d6f5
     :git: https://github.com/passepartoutvpn/tunnelkit
 
 CHECKOUT OPTIONS:
@@ -82,7 +82,7 @@ CHECKOUT OPTIONS:
     :commit: e263fcd1f40a6a482a0f1e424ba98009c4ad2b96
     :git: https://github.com/keeshux/Kvitto
   TunnelKit:
-    :commit: '2886222'
+    :commit: c15d6f5
     :git: https://github.com/passepartoutvpn/tunnelkit
 
 SPEC CHECKSUMS:
@@ -93,8 +93,8 @@ SPEC CHECKSUMS:
   OpenSSL-Apple: 8a8fcb06fb66f9c2f7aed45ce363668493b8e5f6
   SSZipArchive: 62d4947b08730e4cda640473b0066d209ff033c9
   SwiftyBeaver: 2e8acd6fc90c6d0a27055867a290794926d57c02
-  TunnelKit: b9ea352cbcce641f98687109c2e7d8cb1fa40e19
+  TunnelKit: 2a6aadea2d772a2760b153aee27d1c334c9ca6db
 
-PODFILE CHECKSUM: ba0c9bc518c5eaec3a015c524fb62f23396463bd
+PODFILE CHECKSUM: 9751a898e23369673b1dfb0c7c7fde9834a55d53
 
 COCOAPODS: 1.10.0