VpnSettings: make more fields available as advanced options.
Now users can manually override DNS search domains, DNS servers,
and forwarding routes for each VPN network.
Change-Id: I10b8e383ac19fd19d23938dff78201a71724d58f
diff --git a/res/layout/vpn_dialog.xml b/res/layout/vpn_dialog.xml
index ffbfd4d..b4779e6 100644
--- a/res/layout/vpn_dialog.xml
+++ b/res/layout/vpn_dialog.xml
@@ -15,7 +15,7 @@
-->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="wrap_content"
+ android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
@@ -96,15 +96,27 @@
android:prompt="@string/vpn_ipsec_ca_cert" />
</LinearLayout>
+ <CheckBox style="@style/vpn_value" android:id="@+id/show_options"
+ android:singleLine="false"
+ android:text="@string/vpn_show_options"/>
+ </LinearLayout>
+
+ <LinearLayout android:id="@+id/options"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:orientation="vertical"
+ android:visibility="gone">
<TextView style="@style/vpn_label" android:text="@string/vpn_search_domains"/>
<EditText style="@style/vpn_value" android:id="@+id/search_domains"
android:hint="@string/vpn_not_used"/>
- <!-- Not sure if we have time to make it. -->
- <TextView style="@style/vpn_label" android:text="@string/vpn_routes"
- android:visibility="gone"/>
+ <TextView style="@style/vpn_label" android:text="@string/vpn_dns_servers"/>
+ <EditText style="@style/vpn_value" android:id="@+id/dns_servers"
+ android:hint="@string/vpn_not_used"/>
+
+ <TextView style="@style/vpn_label" android:text="@string/vpn_routes"/>
<EditText style="@style/vpn_value" android:id="@+id/routes"
- android:visibility="gone"/>
+ android:hint="@string/vpn_not_used"/>
</LinearLayout>
<LinearLayout android:id="@+id/login"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0291fa2..6c26cbc 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3503,18 +3503,21 @@
<string name="vpn_ipsec_user_cert">IPSec user certificate</string>
<!-- Selection label for the IPSec CA certificate of a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_ipsec_ca_cert">IPSec CA certificate</string>
+ <!-- Checkbox label to show advanced options of a VPN network. [CHAR LIMIT=40] -->
+ <string name="vpn_show_options">Show advanced options</string>
<!-- Input label for the DNS search domains of a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_search_domains">DNS search domains</string>
+ <!-- Input label for the DNS servers of a VPN network. [CHAR LIMIT=40] -->
+ <string name="vpn_dns_servers">DNS servers (e.g. 8.8.8.8)</string>
<!-- Input label for the forwarding routes of a VPN network. [CHAR LIMIT=40] -->
- <string name="vpn_routes">Forwarding routes</string>
+ <string name="vpn_routes">Forwarding routes (e.g. 10.0.0.0/8)</string>
<!-- Input label for the username of a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_username">Username</string>
<!-- Input label for the password of a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_password">Password</string>
<!-- Checkbox label to save the username and the password for a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_save_login">Save account information</string>
-
- <!-- Hint for not filling an optional field in a VPN configuration. [CHAR LIMIT=40] -->
+ <!-- Hint for not using an optional feature of a VPN network. [CHAR LIMIT=40] -->
<string name="vpn_not_used">(not used)</string>
<!-- Option to not use a CA certificate to verify the VPN server. [CHAR LIMIT=40] -->
<string name="vpn_no_ca_cert">(do not verify server)</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index ffa7912..32e0a48 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -143,15 +143,14 @@
<style name="vpn_label">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">wrap_content</item>
- <item name="android:textSize">16sp</item>
+ <item name="android:textAppearance">?android:attr/textAppearanceSmall</item>
</style>
<style name="vpn_value">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">wrap_content</item>
- <item name="android:textSize">18sp</item>
+ <item name="android:textAppearance">?android:attr/textAppearanceMedium</item>
<item name="android:singleLine">true</item>
- <item name="android:paddingBottom">1mm</item>
</style>
<style name="InputMethodPreferenceStyle">
diff --git a/src/com/android/settings/vpn2/VpnDialog.java b/src/com/android/settings/vpn2/VpnDialog.java
index d644700..c1a4531 100644
--- a/src/com/android/settings/vpn2/VpnDialog.java
+++ b/src/com/android/settings/vpn2/VpnDialog.java
@@ -27,15 +27,18 @@
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
+import android.view.WindowManager;
import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.Spinner;
import android.widget.TextView;
-class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListener {
+import java.net.InetAddress;
+
+class VpnDialog extends AlertDialog implements TextWatcher,
+ View.OnClickListener, AdapterView.OnItemSelectedListener {
private final KeyStore mKeyStore = KeyStore.getInstance();
private final DialogInterface.OnClickListener mListener;
private final VpnProfile mProfile;
@@ -50,6 +53,7 @@
private TextView mUsername;
private TextView mPassword;
private TextView mSearchDomains;
+ private TextView mDnsServers;
private TextView mRoutes;
private CheckBox mMppe;
private TextView mL2tpSecret;
@@ -82,6 +86,7 @@
mUsername = (TextView) mView.findViewById(R.id.username);
mPassword = (TextView) mView.findViewById(R.id.password);
mSearchDomains = (TextView) mView.findViewById(R.id.search_domains);
+ mDnsServers = (TextView) mView.findViewById(R.id.dns_servers);
mRoutes = (TextView) mView.findViewById(R.id.routes);
mMppe = (CheckBox) mView.findViewById(R.id.mppe);
mL2tpSecret = (TextView) mView.findViewById(R.id.l2tp_secret);
@@ -98,6 +103,7 @@
mUsername.setText(mProfile.username);
mPassword.setText(mProfile.password);
mSearchDomains.setText(mProfile.searchDomains);
+ mDnsServers.setText(mProfile.dnsServers);
mRoutes.setText(mProfile.routes);
mMppe.setChecked(mProfile.mppe);
mL2tpSecret.setText(mProfile.l2tpSecret);
@@ -115,6 +121,8 @@
mServer.addTextChangedListener(this);
mUsername.addTextChangedListener(this);
mPassword.addTextChangedListener(this);
+ mDnsServers.addTextChangedListener(this);
+ mRoutes.addTextChangedListener(this);
mIpsecSecret.addTextChangedListener(this);
mIpsecUserCert.setOnItemSelectedListener(this);
@@ -131,6 +139,15 @@
// Show type-specific fields.
changeType(mProfile.type);
+ // Show advanced options directly if any of them is set.
+ View showOptions = mView.findViewById(R.id.show_options);
+ if (mProfile.searchDomains.isEmpty() && mProfile.dnsServers.isEmpty() &&
+ mProfile.routes.isEmpty()) {
+ showOptions.setOnClickListener(this);
+ } else {
+ onClick(showOptions);
+ }
+
// Create a button to save the profile.
setButton(DialogInterface.BUTTON_POSITIVE,
context.getString(R.string.vpn_save), mListener);
@@ -155,6 +172,10 @@
// Disable the action button if necessary.
getButton(DialogInterface.BUTTON_POSITIVE)
.setEnabled(mEditing ? valid : validate(false));
+
+ // Workaround to resize the dialog for the input method.
+ getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE |
+ WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
}
@Override
@@ -171,6 +192,12 @@
}
@Override
+ public void onClick(View showOptions) {
+ showOptions.setVisibility(View.GONE);
+ mView.findViewById(R.id.options).setVisibility(View.VISIBLE);
+ }
+
+ @Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
if (parent == mType) {
changeType(position);
@@ -221,7 +248,9 @@
if (!editing) {
return mUsername.getText().length() != 0 && mPassword.getText().length() != 0;
}
- if (mName.getText().length() == 0 || mServer.getText().length() == 0) {
+ if (mName.getText().length() == 0 || mServer.getText().length() == 0 ||
+ !validateAddresses(mDnsServers.getText().toString(), false) ||
+ !validateAddresses(mRoutes.getText().toString(), true)) {
return false;
}
switch (mType.getSelectedItemPosition()) {
@@ -239,6 +268,33 @@
return false;
}
+ private boolean validateAddresses(String addresses, boolean cidr) {
+ try {
+ for (String address : addresses.split(" ")) {
+ if (address.isEmpty()) {
+ continue;
+ }
+ // Legacy VPN currently only supports IPv4.
+ int prefixLength = 32;
+ if (cidr) {
+ String[] parts = address.split("/", 2);
+ address = parts[0];
+ prefixLength = Integer.parseInt(parts[1]);
+ }
+ byte[] bytes = InetAddress.parseNumericAddress(address).getAddress();
+ int integer = (bytes[3] & 0xFF) | (bytes[2] & 0xFF) << 8 |
+ (bytes[1] & 0xFF) << 16 | (bytes[0] & 0xFF) << 24;
+ if (bytes.length != 4 || prefixLength < 0 || prefixLength > 32 ||
+ (prefixLength < 32 && (integer << prefixLength) != 0)) {
+ return false;
+ }
+ }
+ } catch (Exception e) {
+ return false;
+ }
+ return true;
+ }
+
private void loadCertificates(Spinner spinner, String prefix, int firstId, String selected) {
Context context = getContext();
String first = (firstId == 0) ? "" : context.getString(firstId);
@@ -279,6 +335,7 @@
profile.username = mUsername.getText().toString();
profile.password = mPassword.getText().toString();
profile.searchDomains = mSearchDomains.getText().toString().trim();
+ profile.dnsServers = mDnsServers.getText().toString().trim();
profile.routes = mRoutes.getText().toString().trim();
// Then, save type-specific fields.
diff --git a/src/com/android/settings/vpn2/VpnSettings.java b/src/com/android/settings/vpn2/VpnSettings.java
index 4dbb6bd..2ab99e8 100644
--- a/src/com/android/settings/vpn2/VpnSettings.java
+++ b/src/com/android/settings/vpn2/VpnSettings.java
@@ -108,7 +108,7 @@
Credentials.getInstance().unlock(getActivity());
} else {
// We already tried, but it is still not working!
- getActivity().getFragmentManager().popBackStack();
+ finishFragment();
}
mUnlocking = !mUnlocking;
return;
@@ -429,8 +429,11 @@
config.interfaze = interfaze;
config.session = profile.name;
config.routes = profile.routes;
+ if (!profile.dnsServers.isEmpty()) {
+ config.dnsServers = Arrays.asList(profile.dnsServers.split(" +"));
+ }
if (!profile.searchDomains.isEmpty()) {
- config.searchDomains = Arrays.asList(profile.searchDomains.split(" "));
+ config.searchDomains = Arrays.asList(profile.searchDomains.split(" +"));
}
mService.startLegacyVpn(config, racoon, mtpd);