Drop #available(iOS 14) (#317)

Package.resolved

@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/SwiftyBeaver/SwiftyBeaver",
         "state": {
           "branch": null,
-          "revision": "2c039501d6eeb4d4cd4aec4a8d884ad28862e044",
-          "version": "1.9.5"
+          "revision": "12b5acf96d98f91d50de447369bd18df74600f1a",
+          "version": "1.9.6"
         }
       },
       {
@@ -24,7 +24,7 @@
         "repositoryURL": "https://github.com/passepartoutvpn/wireguard-apple",
         "state": {
           "branch": null,
-          "revision": "57f9babde0fb7567f31a75e943538022f8725f8f",
+          "revision": "73d9152fa0cb661db0348a1ac11dbbf998422a50",
           "version": "1.0.17"
         }
       }

Sources/TunnelKitAppExtension/InterfaceObserver.swift

@@ -113,27 +113,8 @@ public class InterfaceObserver: NSObject {
      **/
     public static func fetchCurrentSSID(completionHandler: @escaping (String?) -> Void) {
         #if os(iOS)
-        if #available(iOS 14, macCatalyst 14, *) {
-            NEHotspotNetwork.fetchCurrent {
-                completionHandler($0?.ssid)
-            }
-        } else if #available(macCatalyst 14, *) {
-            guard let interfaceNames = CNCopySupportedInterfaces() as? [CFString] else {
-                completionHandler(nil)
-                return
-            }
-            for name in interfaceNames {
-                guard let iface = CNCopyCurrentNetworkInfo(name) as? [String: Any] else {
-                    continue
-                }
-                if let ssid = iface["SSID"] as? String {
-                    completionHandler(ssid)
-                    return
-                }
-            }
-            completionHandler(nil)
-        } else {
-            completionHandler(nil)
+        NEHotspotNetwork.fetchCurrent {
+            completionHandler($0?.ssid)
         }
         #else
         let client = CWWiFiClient.shared()

Sources/TunnelKitManager/Keychain.swift

@@ -332,9 +332,7 @@ public class Keychain {
         if let accessGroup = accessGroup {
             query[kSecAttrAccessGroup as String] = accessGroup
             #if os(macOS)
-            if #available(macOS 10.15, *) {
-                query[kSecUseDataProtectionKeychain as String] = true
-            }
+            query[kSecUseDataProtectionKeychain as String] = true
             #endif
         }
         query[kSecAttrService as String] = context

Sources/TunnelKitOpenVPNAppExtension/NetworkSettingsBuilder.swift

@@ -232,33 +232,31 @@ extension NetworkSettingsBuilder {
             return nil
         }
         var dnsSettings: NEDNSSettings?
-        if #available(iOS 14, macOS 11, *) {
-            switch localOptions.dnsProtocol {
-            case .https:
-                let dnsServers = localOptions.dnsServers ?? []
-                guard let serverURL = localOptions.dnsHTTPSURL else {
-                    break
-                }
-                let specific = NEDNSOverHTTPSSettings(servers: dnsServers)
-                specific.serverURL = serverURL
-                dnsSettings = specific
-                log.info("DNS over HTTPS: Using servers \(dnsServers)")
-                log.info("\tHTTPS URL: \(serverURL)")
-                
-            case .tls:
-                let dnsServers = localOptions.dnsServers ?? []
-                guard let serverName = localOptions.dnsTLSServerName else {
-                    break
-                }
-                let specific = NEDNSOverTLSSettings(servers: dnsServers)
-                specific.serverName = serverName
-                dnsSettings = specific
-                log.info("DNS over TLS: Using servers \(dnsServers)")
-                log.info("\tTLS server name: \(serverName)")
-                
-            default:
+        switch localOptions.dnsProtocol {
+        case .https:
+            let dnsServers = localOptions.dnsServers ?? []
+            guard let serverURL = localOptions.dnsHTTPSURL else {
                 break
             }
+            let specific = NEDNSOverHTTPSSettings(servers: dnsServers)
+            specific.serverURL = serverURL
+            dnsSettings = specific
+            log.info("DNS over HTTPS: Using servers \(dnsServers)")
+            log.info("\tHTTPS URL: \(serverURL)")
+
+        case .tls:
+            let dnsServers = localOptions.dnsServers ?? []
+            guard let serverName = localOptions.dnsTLSServerName else {
+                break
+            }
+            let specific = NEDNSOverTLSSettings(servers: dnsServers)
+            specific.serverName = serverName
+            dnsSettings = specific
+            log.info("DNS over TLS: Using servers \(dnsServers)")
+            log.info("\tTLS server name: \(serverName)")
+
+        default:
+            break
         }
         
         // fall back

Sources/TunnelKitOpenVPNManager/OpenVPN+ProviderConfiguration.swift

@@ -113,9 +113,7 @@ extension OpenVPN.ProviderConfiguration: NetworkExtensionConfiguration {
         }
         protocolConfiguration.disconnectOnSleep = extra?.disconnectsOnSleep ?? false
         protocolConfiguration.providerConfiguration = try asDictionary()
-        if #available(iOS 14, *) {
-            protocolConfiguration.includeAllNetworks = extra?.killSwitch ?? false
-        }
+        protocolConfiguration.includeAllNetworks = extra?.killSwitch ?? false
         return protocolConfiguration
     }
 }

Sources/TunnelKitWireGuardManager/WireGuard+ProviderConfiguration.swift

@@ -83,9 +83,7 @@ extension WireGuard.ProviderConfiguration: NetworkExtensionConfiguration {
         protocolConfiguration.passwordReference = extra?.passwordReference
         protocolConfiguration.disconnectOnSleep = extra?.disconnectsOnSleep ?? false
         protocolConfiguration.providerConfiguration = try asDictionary()
-        if #available(iOS 14, *) {
-            protocolConfiguration.includeAllNetworks = extra?.killSwitch ?? false
-        }
+        protocolConfiguration.includeAllNetworks = extra?.killSwitch ?? false
         return protocolConfiguration
     }
 }