Show custom DNS addresses in configuration UI

Passepartout-iOS/Scenes/ConfigurationViewController.swift

@@ -57,11 +57,17 @@ class ConfigurationViewController: UIViewController, TableModelHost {
             model.add(.reset)
         }
         model.add(.tls)
+        if let _ = configuration.dnsServers {
+            model.add(.dns)
+        }
         model.add(.other)
 
         // headers
         model.setHeader(L10n.Configuration.Sections.Communication.header, for: .communication)
         model.setHeader(L10n.Configuration.Sections.Tls.header, for: .tls)
+        if let _ = configuration.dnsServers {
+            model.setHeader(L10n.Configuration.Sections.Dns.header, for: .dns)
+        }
         model.setHeader(L10n.Configuration.Sections.Other.header, for: .other)
 
         // footers
@@ -75,6 +81,9 @@ class ConfigurationViewController: UIViewController, TableModelHost {
             model.set([.resetOriginal], in: .reset)
         }
         model.set([.client, .tlsWrapping], in: .tls)
+        if let dnsServers = configuration.dnsServers {
+            model.set(.dnsServer, count: dnsServers.count, in: .dns)
+        }
         model.set([.compressionAlgorithm, .keepAlive, .renegSeconds], in: .other)
 
         return model
@@ -157,6 +166,8 @@ extension ConfigurationViewController: UITableViewDataSource, UITableViewDelegat
 
         case tls
         
+        case dns
+        
         case other
     }
     
@@ -173,6 +184,8 @@ extension ConfigurationViewController: UITableViewDataSource, UITableViewDelegat
         
         case tlsWrapping
         
+        case dnsServer
+        
         case compressionAlgorithm
         
         case keepAlive
@@ -260,6 +273,15 @@ extension ConfigurationViewController: UITableViewDataSource, UITableViewDelegat
             cell.accessoryType = .none
             cell.isTappable = false
             
+        case .dnsServer:
+            guard let dnsServers = configuration.dnsServers else {
+                fatalError("Showing DNS section without any custom server")
+            }
+            cell.leftText = L10n.Configuration.Cells.DnsServer.caption
+            cell.rightText = dnsServers[indexPath.row]
+            cell.accessoryType = .none
+            cell.isTappable = false
+
         case .compressionAlgorithm:
             cell.leftText = L10n.Configuration.Cells.CompressionAlgorithm.caption
             cell.rightText = L10n.Configuration.Cells.CompressionAlgorithm.Value.disabled // hardcoded because compression unsupported

Passepartout/Resources/en.lproj/Localizable.strings

@@ -136,6 +136,7 @@
 "configuration.sections.communication.header" = "Communication";
 "configuration.sections.reset.footer" = "If you ended up with broken connectivity after changing the communication parameters, tap to revert to the original configuration.";
 "configuration.sections.tls.header" = "TLS";
+"configuration.sections.dns.header" = "DNS";
 "configuration.sections.other.header" = "Other";
 "configuration.cells.cipher.caption" = "Cipher";
 "configuration.cells.digest.caption" = "Authentication";
@@ -152,6 +153,7 @@
 "configuration.cells.tls_wrapping.value.auth" = "Authentication";
 "configuration.cells.tls_wrapping.value.crypt" = "Encryption";
 "configuration.cells.tls_wrapping.value.disabled" = "Disabled";
+"configuration.cells.dns_server.caption" = "Address";
 "configuration.cells.compression_algorithm.caption" = "Compression";
 "configuration.cells.compression_algorithm.value.disabled" = "Disabled";
 "configuration.cells.keep_alive.caption" = "Keep-alive";

Passepartout/Sources/SwiftGen+Strings.swift

@@ -132,6 +132,10 @@ internal enum L10n {
           internal static let embedded = L10n.tr("Localizable", "configuration.cells.digest.value.embedded")
         }
       }
+      internal enum DnsServer {
+        /// Address
+        internal static let caption = L10n.tr("Localizable", "configuration.cells.dns_server.caption")
+      }
       internal enum KeepAlive {
         /// Keep-alive
         internal static let caption = L10n.tr("Localizable", "configuration.cells.keep_alive.caption")
@@ -178,6 +182,10 @@ internal enum L10n {
         /// Communication
         internal static let header = L10n.tr("Localizable", "configuration.sections.communication.header")
       }
+      internal enum Dns {
+        /// DNS
+        internal static let header = L10n.tr("Localizable", "configuration.sections.dns.header")
+      }
       internal enum Other {
         /// Other
         internal static let header = L10n.tr("Localizable", "configuration.sections.other.header")