android: Add properties for DNS servers

src/frontends/android/app/src/main/java/org/strongswan/android/data/VpnProfile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2018 Tobias Brunner
+ * Copyright (C) 2012-2019 Tobias Brunner
  * Copyright (C) 2012 Giuliano Grassi
  * Copyright (C) 2012 Ralf Sager
  * HSR Hochschule fuer Technik Rapperswil
@@ -39,7 +39,7 @@ public class VpnProfile implements Cloneable
 
 	private String mName, mGateway, mUsername, mPassword, mCertificate, mUserCertificate;
 	private String mRemoteId, mLocalId, mExcludedSubnets, mIncludedSubnets, mSelectedApps;
-	private String mIkeProposal, mEspProposal;
+	private String mIkeProposal, mEspProposal, mDnsServers;
 	private Integer mMTU, mPort, mSplitTunneling, mNATKeepAlive, mFlags;
 	private SelectedAppsHandling mSelectedAppsHandling = SelectedAppsHandling.SELECTED_APPS_DISABLE;
 	private VpnType mVpnType;
@@ -140,6 +140,16 @@ public class VpnProfile implements Cloneable
 		this.mEspProposal = proposal;
 	}
 
+	public String getDnsServers()
+	{
+		return mDnsServers;
+	}
+
+	public void setDnsServers(String dns)
+	{
+		this.mDnsServers = dns;
+	}
+
 	public String getUsername()
 	{
 		return mUsername;

src/frontends/android/app/src/main/java/org/strongswan/android/data/VpnProfileDataSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2018 Tobias Brunner
+ * Copyright (C) 2012-2019 Tobias Brunner
  * Copyright (C) 2012 Giuliano Grassi
  * Copyright (C) 2012 Ralf Sager
  * HSR Hochschule fuer Technik Rapperswil
@@ -55,6 +55,7 @@ public class VpnProfileDataSource
 	public static final String KEY_FLAGS = "flags";
 	public static final String KEY_IKE_PROPOSAL = "ike_proposal";
 	public static final String KEY_ESP_PROPOSAL = "esp_proposal";
+	public static final String KEY_DNS_SERVERS = "dns_servers";
 
 	private DatabaseHelper mDbHelper;
 	private SQLiteDatabase mDatabase;
@@ -63,7 +64,7 @@ public class VpnProfileDataSource
 	private static final String DATABASE_NAME = "strongswan.db";
 	private static final String TABLE_VPNPROFILE = "vpnprofile";
 
-	private static final int DATABASE_VERSION = 16;
+	private static final int DATABASE_VERSION = 17;
 
 	public static final DbColumn[] COLUMNS = new DbColumn[] {
 								new DbColumn(KEY_ID, "INTEGER PRIMARY KEY AUTOINCREMENT", 1),
@@ -88,6 +89,7 @@ public class VpnProfileDataSource
 								new DbColumn(KEY_FLAGS, "INTEGER", 14),
 								new DbColumn(KEY_IKE_PROPOSAL, "TEXT", 15),
 								new DbColumn(KEY_ESP_PROPOSAL, "TEXT", 15),
+								new DbColumn(KEY_DNS_SERVERS, "TEXT", 17),
 							};
 
 	private static final String[] ALL_COLUMNS = getColumns(DATABASE_VERSION);
@@ -243,6 +245,11 @@ public class VpnProfileDataSource
 					db.endTransaction();
 				}
 			}
+			if (oldVersion < 17)
+			{
+				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_DNS_SERVERS +
+						" TEXT;");
+			}
 		}
 
 		private void updateColumns(SQLiteDatabase db, int version)
@@ -448,6 +455,7 @@ public class VpnProfileDataSource
 		profile.setFlags(getInt(cursor, cursor.getColumnIndex(KEY_FLAGS)));
 		profile.setIkeProposal(cursor.getString(cursor.getColumnIndex(KEY_IKE_PROPOSAL)));
 		profile.setEspProposal(cursor.getString(cursor.getColumnIndex(KEY_ESP_PROPOSAL)));
+		profile.setDnsServers(cursor.getString(cursor.getColumnIndex(KEY_DNS_SERVERS)));
 		return profile;
 	}
 
@@ -475,6 +483,7 @@ public class VpnProfileDataSource
 		values.put(KEY_FLAGS, profile.getFlags());
 		values.put(KEY_IKE_PROPOSAL, profile.getIkeProposal());
 		values.put(KEY_ESP_PROPOSAL, profile.getEspProposal());
+		values.put(KEY_DNS_SERVERS, profile.getDnsServers());
 		return values;
 	}