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VpnSettings: make more fields available as advanced options.

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Now users can manually override DNS search domains, DNS servers,
and forwarding routes for each VPN network.

Change-Id: I10b8e383ac19fd19d23938dff78201a71724d58f
This commit is contained in:
Chia-chi Yeh
2011-07-27 15:49:43 -07:00
parent b7cdf167bb
commit d68dbe29bb
5 changed files with 90 additions and 16 deletions
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63
src/com/android/settings/vpn2/VpnDialog.java
View File

@@ -27,15 +27,18 @@ import android.security.KeyStore;
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
// 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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
// 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
@@ -170,6 +191,12 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@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) {
@@ -221,7 +248,9 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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 @@ class VpnDialog extends AlertDialog implements TextWatcher, OnItemSelectedListen
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.