e82a459392
Static IP selection uses strings to match, use ids instead. Also, add CHAR LIMIT to the new strings added Change-Id: I7d632cfd672527be3a9676634b9ac4ea6983b626
545 lines
22 KiB
Java
545 lines
22 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.res.Resources;
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import android.net.DhcpInfo;
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import android.net.NetworkInfo.DetailedState;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiConfiguration.IpAssignment;
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import android.net.wifi.WifiConfiguration.AuthAlgorithm;
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import android.net.wifi.WifiConfiguration.KeyMgmt;
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import static android.net.wifi.WifiConfiguration.INVALID_NETWORK_ID;
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import android.net.wifi.WifiInfo;
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import android.security.Credentials;
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import android.security.KeyStore;
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import android.text.Editable;
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import android.text.InputType;
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import android.text.TextWatcher;
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import android.text.format.Formatter;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.CheckBox;
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import android.widget.Spinner;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.android.settings.R;
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import java.net.UnknownHostException;
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/**
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* The class for allowing UIs like {@link WifiDialog} and {@link WifiConfigPreference} to
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* share the logic for controlling buttons, text fields, etc.
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*/
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public class WifiConfigController implements TextWatcher,
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View.OnClickListener, AdapterView.OnItemSelectedListener {
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private static final String KEYSTORE_SPACE = "keystore://";
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private final WifiConfigUiBase mConfigUi;
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private final View mView;
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private final AccessPoint mAccessPoint;
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private boolean mEdit;
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private TextView mSsidView;
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// e.g. AccessPoint.SECURITY_NONE
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private int mAccessPointSecurity;
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private TextView mPasswordView;
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private Spinner mSecuritySpinner;
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private Spinner mEapMethodSpinner;
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private Spinner mEapCaCertSpinner;
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private Spinner mPhase2Spinner;
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private Spinner mEapUserCertSpinner;
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private TextView mEapIdentityView;
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private TextView mEapAnonymousView;
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/* This value comes from "wifi_ip_settings" resource array */
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private static final int STATIC_IP = 1;
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/* These values come from "wifi_network_setup" resource array */
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public static final int MANUAL = 0;
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public static final int WPS_PBC = 1;
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public static final int WPS_PIN = 2;
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private Spinner mNetworkSetupSpinner;
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private Spinner mIpSettingsSpinner;
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private TextView mIpAddressView;
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private TextView mGatewayView;
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private TextView mNetmaskView;
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private TextView mDns1View;
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private TextView mDns2View;
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static boolean requireKeyStore(WifiConfiguration config) {
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String values[] = {config.ca_cert.value(), config.client_cert.value(),
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config.private_key.value()};
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for (String value : values) {
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if (value != null && value.startsWith(KEYSTORE_SPACE)) {
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return true;
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}
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}
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return false;
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}
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public WifiConfigController(WifiConfigUiBase parent, View view, AccessPoint accessPoint,
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boolean edit, DialogInterface.OnClickListener listener) {
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mConfigUi = parent;
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mView = view;
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mAccessPoint = accessPoint;
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mAccessPointSecurity = (accessPoint == null) ? AccessPoint.SECURITY_NONE :
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accessPoint.security;
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mEdit = edit;
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final Context context = mConfigUi.getContext();
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final Resources resources = context.getResources();
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if (mAccessPoint == null) {
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mConfigUi.setTitle(R.string.wifi_add_network);
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mView.findViewById(R.id.type).setVisibility(View.VISIBLE);
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mSsidView = (TextView) mView.findViewById(R.id.ssid);
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mSsidView.addTextChangedListener(this);
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mSecuritySpinner = ((Spinner) mView.findViewById(R.id.security));
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mSecuritySpinner.setOnItemSelectedListener(this);
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mConfigUi.setSubmitButton(context.getString(R.string.wifi_save));
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} else {
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mConfigUi.setTitle(mAccessPoint.ssid);
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ViewGroup group = (ViewGroup) mView.findViewById(R.id.info);
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DetailedState state = mAccessPoint.getState();
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if (state != null) {
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addRow(group, R.string.wifi_status, Summary.get(mConfigUi.getContext(), state));
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}
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String[] type = resources.getStringArray(R.array.wifi_security);
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addRow(group, R.string.wifi_security, type[mAccessPoint.security]);
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int level = mAccessPoint.getLevel();
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if (level != -1) {
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String[] signal = resources.getStringArray(R.array.wifi_signal);
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addRow(group, R.string.wifi_signal, signal[level]);
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}
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WifiInfo info = mAccessPoint.getInfo();
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if (info != null) {
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addRow(group, R.string.wifi_speed, info.getLinkSpeed() + WifiInfo.LINK_SPEED_UNITS);
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// TODO: fix the ip address for IPv6.
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int address = info.getIpAddress();
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if (address != 0) {
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addRow(group, R.string.wifi_ip_address, Formatter.formatIpAddress(address));
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}
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}
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/* Show network setup options only for a new network */
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if (mAccessPoint.networkId == INVALID_NETWORK_ID && mAccessPoint.wpsAvailable) {
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showNetworkSetupFields();
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}
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if (mAccessPoint.networkId == INVALID_NETWORK_ID || mEdit) {
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showSecurityFields();
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showIpConfigFields();
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}
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if (mEdit) {
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mConfigUi.setSubmitButton(context.getString(R.string.wifi_save));
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} else {
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if (state == null && level != -1) {
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mConfigUi.setSubmitButton(context.getString(R.string.wifi_connect));
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} else {
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mView.findViewById(R.id.ip_fields).setVisibility(View.GONE);
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}
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if (mAccessPoint.networkId != INVALID_NETWORK_ID) {
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mConfigUi.setForgetButton(context.getString(R.string.wifi_forget));
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}
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}
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}
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if (mAccessPoint != null && mAccessPoint.networkId != INVALID_NETWORK_ID) {
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WifiConfiguration config = mAccessPoint.getConfig();
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if (config.ipAssignment == IpAssignment.STATIC) {
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mIpSettingsSpinner.setSelection(STATIC_IP);
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}
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}
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mConfigUi.setCancelButton(context.getString(R.string.wifi_cancel));
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if (mConfigUi.getSubmitButton() != null) {
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enableSubmitIfAppropriate();
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}
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}
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private void addRow(ViewGroup group, int name, String value) {
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View row = mConfigUi.getLayoutInflater().inflate(R.layout.wifi_dialog_row, group, false);
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((TextView) row.findViewById(R.id.name)).setText(name);
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((TextView) row.findViewById(R.id.value)).setText(value);
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group.addView(row);
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}
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/* show submit button if the password is valid */
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private void enableSubmitIfAppropriate() {
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if ((mSsidView != null && mSsidView.length() == 0) ||
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((mAccessPoint == null || mAccessPoint.networkId == INVALID_NETWORK_ID) &&
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((mAccessPointSecurity == AccessPoint.SECURITY_WEP && mPasswordView.length() == 0) ||
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(mAccessPointSecurity == AccessPoint.SECURITY_PSK && mPasswordView.length() < 8)))) {
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mConfigUi.getSubmitButton().setEnabled(false);
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} else {
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mConfigUi.getSubmitButton().setEnabled(true);
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}
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}
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/* package */ WifiConfiguration getConfig() {
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if (mAccessPoint != null && mAccessPoint.networkId != INVALID_NETWORK_ID && !mEdit) {
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return null;
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}
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WifiConfiguration config = new WifiConfiguration();
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if (mAccessPoint == null) {
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config.SSID = AccessPoint.convertToQuotedString(
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mSsidView.getText().toString());
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// If the user adds a network manually, assume that it is hidden.
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config.hiddenSSID = true;
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} else if (mAccessPoint.networkId == INVALID_NETWORK_ID) {
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config.SSID = AccessPoint.convertToQuotedString(
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mAccessPoint.ssid);
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} else {
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config.networkId = mAccessPoint.networkId;
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}
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switch (mAccessPointSecurity) {
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case AccessPoint.SECURITY_NONE:
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config.allowedKeyManagement.set(KeyMgmt.NONE);
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break;
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case AccessPoint.SECURITY_WEP:
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config.allowedKeyManagement.set(KeyMgmt.NONE);
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config.allowedAuthAlgorithms.set(AuthAlgorithm.OPEN);
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config.allowedAuthAlgorithms.set(AuthAlgorithm.SHARED);
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if (mPasswordView.length() != 0) {
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int length = mPasswordView.length();
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String password = mPasswordView.getText().toString();
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// WEP-40, WEP-104, and 256-bit WEP (WEP-232?)
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if ((length == 10 || length == 26 || length == 58) &&
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password.matches("[0-9A-Fa-f]*")) {
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config.wepKeys[0] = password;
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} else {
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config.wepKeys[0] = '"' + password + '"';
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}
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}
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break;
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case AccessPoint.SECURITY_PSK:
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config.allowedKeyManagement.set(KeyMgmt.WPA_PSK);
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if (mPasswordView.length() != 0) {
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String password = mPasswordView.getText().toString();
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if (password.matches("[0-9A-Fa-f]{64}")) {
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config.preSharedKey = password;
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} else {
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config.preSharedKey = '"' + password + '"';
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}
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}
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break;
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case AccessPoint.SECURITY_EAP:
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config.allowedKeyManagement.set(KeyMgmt.WPA_EAP);
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config.allowedKeyManagement.set(KeyMgmt.IEEE8021X);
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config.eap.setValue((String) mEapMethodSpinner.getSelectedItem());
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config.phase2.setValue((mPhase2Spinner.getSelectedItemPosition() == 0) ? "" :
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"auth=" + mPhase2Spinner.getSelectedItem());
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config.ca_cert.setValue((mEapCaCertSpinner.getSelectedItemPosition() == 0) ? "" :
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KEYSTORE_SPACE + Credentials.CA_CERTIFICATE +
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(String) mEapCaCertSpinner.getSelectedItem());
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config.client_cert.setValue((mEapUserCertSpinner.getSelectedItemPosition() == 0) ?
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"" : KEYSTORE_SPACE + Credentials.USER_CERTIFICATE +
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(String) mEapUserCertSpinner.getSelectedItem());
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config.private_key.setValue((mEapUserCertSpinner.getSelectedItemPosition() == 0) ?
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"" : KEYSTORE_SPACE + Credentials.USER_PRIVATE_KEY +
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(String) mEapUserCertSpinner.getSelectedItem());
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config.identity.setValue((mEapIdentityView.length() == 0) ? "" :
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mEapIdentityView.getText().toString());
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config.anonymous_identity.setValue((mEapAnonymousView.length() == 0) ? "" :
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mEapAnonymousView.getText().toString());
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if (mPasswordView.length() != 0) {
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config.password.setValue(mPasswordView.getText().toString());
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}
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break;
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default:
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return null;
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}
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config.ipAssignment = (mIpSettingsSpinner.getSelectedItemPosition() == STATIC_IP) ?
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IpAssignment.STATIC : IpAssignment.DHCP;
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if (config.ipAssignment == IpAssignment.STATIC) {
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//TODO: A better way to do this is to not dismiss the
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//dialog as long as one of the fields is invalid
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try {
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config.ipConfig.ipAddress = stringToIpAddr(mIpAddressView.getText().toString());
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config.ipConfig.gateway = stringToIpAddr(mGatewayView.getText().toString());
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config.ipConfig.netmask = stringToIpAddr(mNetmaskView.getText().toString());
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config.ipConfig.dns1 = stringToIpAddr(mDns1View.getText().toString());
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if (mDns2View.getText() != null && mDns2View.getText().length() > 0) {
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config.ipConfig.dns2 = stringToIpAddr(mDns2View.getText().toString());
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}
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} catch (UnknownHostException e) {
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Toast.makeText(mConfigUi.getContext(), R.string.wifi_ip_settings_invalid_ip,
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Toast.LENGTH_LONG).show();
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return null;
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}
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}
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return config;
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}
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int chosenNetworkSetupMethod() {
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if (mNetworkSetupSpinner != null) {
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return mNetworkSetupSpinner.getSelectedItemPosition();
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}
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return MANUAL;
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}
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int getWpsPin() {
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try {
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String wpsPin = ((TextView) mView.findViewById(R.id.wps_pin)).getText().toString();
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return Integer.parseInt(wpsPin);
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} catch (NumberFormatException e) {
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return -1;
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}
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}
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private void showSecurityFields() {
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if (mAccessPointSecurity == AccessPoint.SECURITY_NONE) {
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mView.findViewById(R.id.security_fields).setVisibility(View.GONE);
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return;
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}
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mView.findViewById(R.id.security_fields).setVisibility(View.VISIBLE);
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if (mPasswordView == null) {
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mPasswordView = (TextView) mView.findViewById(R.id.password);
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mPasswordView.addTextChangedListener(this);
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((CheckBox) mView.findViewById(R.id.show_password)).setOnClickListener(this);
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if (mAccessPoint != null && mAccessPoint.networkId != INVALID_NETWORK_ID) {
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mPasswordView.setHint(R.string.wifi_unchanged);
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}
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}
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if (mAccessPointSecurity != AccessPoint.SECURITY_EAP) {
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mView.findViewById(R.id.eap).setVisibility(View.GONE);
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return;
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}
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mView.findViewById(R.id.eap).setVisibility(View.VISIBLE);
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if (mEapMethodSpinner == null) {
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mEapMethodSpinner = (Spinner) mView.findViewById(R.id.method);
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mPhase2Spinner = (Spinner) mView.findViewById(R.id.phase2);
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mEapCaCertSpinner = (Spinner) mView.findViewById(R.id.ca_cert);
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mEapUserCertSpinner = (Spinner) mView.findViewById(R.id.user_cert);
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mEapIdentityView = (TextView) mView.findViewById(R.id.identity);
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mEapAnonymousView = (TextView) mView.findViewById(R.id.anonymous);
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loadCertificates(mEapCaCertSpinner, Credentials.CA_CERTIFICATE);
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loadCertificates(mEapUserCertSpinner, Credentials.USER_PRIVATE_KEY);
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if (mAccessPoint != null && mAccessPoint.networkId != INVALID_NETWORK_ID) {
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WifiConfiguration config = mAccessPoint.getConfig();
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setSelection(mEapMethodSpinner, config.eap.value());
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setSelection(mPhase2Spinner, config.phase2.value());
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setCertificate(mEapCaCertSpinner, Credentials.CA_CERTIFICATE,
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config.ca_cert.value());
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setCertificate(mEapUserCertSpinner, Credentials.USER_PRIVATE_KEY,
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config.private_key.value());
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mEapIdentityView.setText(config.identity.value());
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mEapAnonymousView.setText(config.anonymous_identity.value());
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}
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}
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}
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private void showNetworkSetupFields() {
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mView.findViewById(R.id.setup_fields).setVisibility(View.VISIBLE);
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if (mNetworkSetupSpinner == null) {
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mNetworkSetupSpinner = (Spinner) mView.findViewById(R.id.network_setup);
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mNetworkSetupSpinner.setOnItemSelectedListener(this);
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}
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int pos = mNetworkSetupSpinner.getSelectedItemPosition();
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/* Show pin text input if needed */
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if (pos == WPS_PIN) {
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mView.findViewById(R.id.wps_fields).setVisibility(View.VISIBLE);
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} else {
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mView.findViewById(R.id.wps_fields).setVisibility(View.GONE);
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}
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/* show/hide manual security fields appropriately */
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if ((pos == WPS_PIN) || (pos == WPS_PBC)) {
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mView.findViewById(R.id.security_fields).setVisibility(View.GONE);
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} else {
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mView.findViewById(R.id.security_fields).setVisibility(View.VISIBLE);
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}
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}
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private void showIpConfigFields() {
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WifiConfiguration config = null;
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mView.findViewById(R.id.ip_fields).setVisibility(View.VISIBLE);
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if (mIpSettingsSpinner == null) {
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mIpSettingsSpinner = (Spinner) mView.findViewById(R.id.ip_settings);
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mIpSettingsSpinner.setOnItemSelectedListener(this);
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}
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if (mAccessPoint != null && mAccessPoint.networkId != INVALID_NETWORK_ID) {
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config = mAccessPoint.getConfig();
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}
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if (mIpSettingsSpinner.getSelectedItemPosition() == STATIC_IP) {
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mView.findViewById(R.id.staticip).setVisibility(View.VISIBLE);
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if (mIpAddressView == null) {
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mIpAddressView = (TextView) mView.findViewById(R.id.ipaddress);
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mGatewayView = (TextView) mView.findViewById(R.id.gateway);
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mNetmaskView = (TextView) mView.findViewById(R.id.netmask);
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mDns1View = (TextView) mView.findViewById(R.id.dns1);
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mDns2View = (TextView) mView.findViewById(R.id.dns2);
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}
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if (config != null) {
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DhcpInfo ipConfig = config.ipConfig;
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if (ipConfig != null && ipConfig.ipAddress != 0) {
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mIpAddressView.setText(intToIpString(ipConfig.ipAddress));
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mGatewayView.setText(intToIpString(ipConfig.gateway));
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mNetmaskView.setText(intToIpString(ipConfig.netmask));
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mDns1View.setText(intToIpString(ipConfig.dns1));
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mDns2View.setText(intToIpString(ipConfig.dns2));
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}
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}
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} else {
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mView.findViewById(R.id.staticip).setVisibility(View.GONE);
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}
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}
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private void loadCertificates(Spinner spinner, String prefix) {
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final Context context = mConfigUi.getContext();
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final String unspecified = context.getString(R.string.wifi_unspecified);
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String[] certs = KeyStore.getInstance().saw(prefix);
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if (certs == null || certs.length == 0) {
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certs = new String[] {unspecified};
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} else {
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final String[] array = new String[certs.length + 1];
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array[0] = unspecified;
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System.arraycopy(certs, 0, array, 1, certs.length);
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certs = array;
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}
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final ArrayAdapter<String> adapter = new ArrayAdapter<String>(
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context, android.R.layout.simple_spinner_item, certs);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
|
spinner.setAdapter(adapter);
|
|
}
|
|
|
|
private void setCertificate(Spinner spinner, String prefix, String cert) {
|
|
prefix = KEYSTORE_SPACE + prefix;
|
|
if (cert != null && cert.startsWith(prefix)) {
|
|
setSelection(spinner, cert.substring(prefix.length()));
|
|
}
|
|
}
|
|
|
|
private void setSelection(Spinner spinner, String value) {
|
|
if (value != null) {
|
|
ArrayAdapter<String> adapter = (ArrayAdapter<String>) spinner.getAdapter();
|
|
for (int i = adapter.getCount() - 1; i >= 0; --i) {
|
|
if (value.equals(adapter.getItem(i))) {
|
|
spinner.setSelection(i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void afterTextChanged(Editable s) {
|
|
enableSubmitIfAppropriate();
|
|
}
|
|
|
|
@Override
|
|
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
|
|
}
|
|
|
|
@Override
|
|
public void onTextChanged(CharSequence s, int start, int before, int count) {
|
|
}
|
|
|
|
@Override
|
|
public void onClick(View view) {
|
|
mPasswordView.setInputType(
|
|
InputType.TYPE_CLASS_TEXT | (((CheckBox) view).isChecked() ?
|
|
InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD :
|
|
InputType.TYPE_TEXT_VARIATION_PASSWORD));
|
|
}
|
|
|
|
@Override
|
|
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
|
|
if (parent == mSecuritySpinner) {
|
|
mAccessPointSecurity = position;
|
|
showSecurityFields();
|
|
enableSubmitIfAppropriate();
|
|
} else if (parent == mNetworkSetupSpinner){
|
|
showNetworkSetupFields();
|
|
} else {
|
|
showIpConfigFields();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onNothingSelected(AdapterView<?> parent) {
|
|
}
|
|
|
|
/* TODO: should go away when we move to IPv6 based config storage */
|
|
private static int stringToIpAddr(String addrString) throws UnknownHostException {
|
|
try {
|
|
String[] parts = addrString.split("\\.");
|
|
if (parts.length != 4) {
|
|
throw new UnknownHostException(addrString);
|
|
}
|
|
|
|
int a = Integer.parseInt(parts[0]);
|
|
int b = Integer.parseInt(parts[1]) << 8;
|
|
int c = Integer.parseInt(parts[2]) << 16;
|
|
int d = Integer.parseInt(parts[3]) << 24;
|
|
|
|
return a | b | c | d;
|
|
} catch (NumberFormatException e) {
|
|
throw new UnknownHostException(addrString);
|
|
}
|
|
}
|
|
|
|
private static String intToIpString(int i) {
|
|
return (i & 0xFF) + "." + ((i >> 8 ) & 0xFF) + "." +((i >> 16 ) & 0xFF) + "." +
|
|
((i >> 24 ) & 0xFF);
|
|
}
|
|
|
|
}
|