1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.vpn2; 18 19 import android.util.Log; 20 21 import com.android.internal.net.VpnProfile; 22 23 import org.xml.sax.Attributes; 24 import org.xml.sax.SAXException; 25 import org.xml.sax.helpers.DefaultHandler; 26 27 import java.io.IOException; 28 import java.io.InputStream; 29 import java.util.HashMap; 30 import java.util.Map; 31 32 import javax.xml.parsers.ParserConfigurationException; 33 import javax.xml.parsers.SAXParser; 34 import javax.xml.parsers.SAXParserFactory; 35 36 /** 37 * Parse VPN profiles from an XML file 38 */ 39 public class VpnProfileParser { 40 private final static String TAG = "VpnProfileParser"; 41 private static Map<Integer, VpnInfo> mVpnPool = new HashMap<Integer, VpnInfo>(); 42 43 static DefaultHandler mHandler = new DefaultHandler() { 44 boolean name; 45 boolean type; 46 boolean server; 47 boolean username; 48 boolean password; 49 boolean dnsServers; 50 boolean searchDomains; 51 boolean routes; 52 boolean mppe; 53 boolean l2tpSecret; 54 boolean ipsecIdentifier; 55 boolean ipsecSecret; 56 boolean ipsecUserCert; 57 boolean ipsecCaCert; 58 boolean ipsecServerCert; 59 boolean certFile; 60 boolean certFilePassword; 61 VpnProfile profile = null; 62 VpnInfo vpnInfo = null; 63 64 65 @Override 66 public void startElement(String uri, String localName, String tagName, 67 Attributes attributes) throws SAXException { 68 if (tagName.equalsIgnoreCase("vpn")) { 69 //create a new VPN profile 70 profile = new VpnProfile(Long.toHexString(System.currentTimeMillis())); 71 vpnInfo = new VpnInfo(profile); 72 } 73 if (tagName.equalsIgnoreCase("name")) { 74 name = true; 75 } 76 if (tagName.equalsIgnoreCase("type")) { 77 type = true; 78 } 79 if (tagName.equalsIgnoreCase("server")) { 80 server = true; 81 } 82 if (tagName.equalsIgnoreCase("username")) { 83 username = true; 84 } 85 if (tagName.equalsIgnoreCase("password")) { 86 password = true; 87 } 88 if (tagName.equalsIgnoreCase("dnsServers")) { 89 dnsServers = true; 90 } 91 if (tagName.equalsIgnoreCase("searchDomains")) { 92 searchDomains = true; 93 } 94 if (tagName.equalsIgnoreCase("mppe")) { 95 mppe = true; 96 } 97 if (tagName.equalsIgnoreCase("l2tpSecret")) { 98 l2tpSecret = true; 99 } 100 if (tagName.equalsIgnoreCase("ipsecIdentifier")) { 101 ipsecIdentifier = true; 102 } 103 if (tagName.equalsIgnoreCase("ipsecSecret")) { 104 ipsecSecret = true; 105 } 106 if (tagName.equalsIgnoreCase("ipsecUserCert")) { 107 ipsecUserCert = true; 108 } 109 if (tagName.equalsIgnoreCase("ipsecCaCert")) { 110 ipsecCaCert = true; 111 } 112 if (tagName.equalsIgnoreCase("ipsecServerCert")) { 113 ipsecServerCert = true; 114 } 115 if (tagName.equalsIgnoreCase("routes")) { 116 routes = true; 117 } 118 if (tagName.equalsIgnoreCase("cert-file")) { 119 certFile = true; 120 } 121 if (tagName.equalsIgnoreCase("cert-file-password")) { 122 certFilePassword = true; 123 } 124 } 125 126 @Override 127 public void endElement(String uri, String localName, String tagName) throws SAXException { 128 if (tagName.equalsIgnoreCase("vpn")) { 129 mVpnPool.put(profile.type, vpnInfo); 130 } 131 } 132 133 @Override 134 public void characters(char ch[], int start, int length) throws SAXException { 135 String strValue = new String(ch, start, length); 136 if (name) { 137 profile.name = strValue; 138 name = false; 139 } 140 if (type) { 141 int t = getVpnProfileType(strValue); 142 if (t < 0) { 143 throw new SAXException("not a valid VPN type"); 144 } else { 145 profile.type = t; 146 } 147 type = false; 148 } 149 if (server) { 150 profile.server = strValue; 151 server = false; 152 } 153 if (username) { 154 profile.username = strValue; 155 username = false; 156 } 157 if (password) { 158 profile.password = strValue; 159 password = false; 160 } 161 if (dnsServers) { 162 profile.dnsServers = strValue; 163 dnsServers = false; 164 } 165 if (searchDomains) { 166 profile.searchDomains = strValue; 167 searchDomains = false; 168 } 169 if (mppe) { 170 profile.mppe = Boolean.valueOf(strValue); 171 mppe = false; 172 } 173 if (l2tpSecret) { 174 profile.l2tpSecret = strValue; 175 l2tpSecret = false; 176 } 177 if (ipsecIdentifier) { 178 profile.ipsecIdentifier = strValue; 179 ipsecIdentifier = false; 180 } 181 if (ipsecSecret) { 182 profile.ipsecSecret = strValue; 183 ipsecSecret = false; 184 } 185 if (ipsecUserCert) { 186 profile.ipsecUserCert = strValue; 187 ipsecUserCert = false; 188 } 189 if (ipsecCaCert) { 190 profile.ipsecCaCert = strValue; 191 ipsecCaCert = false; 192 } 193 if (ipsecServerCert) { 194 profile.ipsecServerCert = strValue; 195 ipsecServerCert = false; 196 } 197 if (routes) { 198 profile.routes = strValue; 199 routes = false; 200 } 201 if (certFile) { 202 vpnInfo.setCertificateFile(strValue); 203 certFile = false; 204 } 205 if (certFilePassword) { 206 vpnInfo.setPassword(strValue); 207 certFilePassword = false; 208 } 209 } 210 211 private int getVpnProfileType(String type) { 212 if (type.equalsIgnoreCase("TYPE_PPTP")) { 213 return VpnProfile.TYPE_PPTP; 214 } else if (type.equalsIgnoreCase("TYPE_L2TP_IPSEC_PSK")) { 215 return VpnProfile.TYPE_L2TP_IPSEC_PSK; 216 } else if (type.equalsIgnoreCase("TYPE_L2TP_IPSEC_RSA")) { 217 return VpnProfile.TYPE_L2TP_IPSEC_RSA; 218 } else if (type.equalsIgnoreCase("TYPE_IPSEC_XAUTH_PSK")) { 219 return VpnProfile.TYPE_IPSEC_XAUTH_PSK; 220 } else if (type.equalsIgnoreCase("TYPE_IPSEC_XAUTH_RSA")) { 221 return VpnProfile.TYPE_IPSEC_XAUTH_RSA; 222 } else if (type.equalsIgnoreCase("TYPE_IPSEC_HYBRID_RSA")) { 223 return VpnProfile.TYPE_IPSEC_HYBRID_RSA; 224 } else { 225 Log.v(TAG, "Invalid VPN type: " + type); 226 return -1; 227 } 228 } 229 }; 230 231 public static Map<Integer, VpnInfo> parse(InputStream in) { 232 try { 233 SAXParserFactory factory = SAXParserFactory.newInstance(); 234 SAXParser saxParser = factory.newSAXParser(); 235 saxParser.parse(in, mHandler); 236 } catch (SAXException e) { 237 Log.e(TAG, "Parse vpn profile exception: " + e.toString()); 238 } catch (IOException e) { 239 Log.e(TAG, "Parse vpn profile exception: " + e.toString()); 240 } catch (ParserConfigurationException e) { 241 Log.e(TAG, "Parse vpn profile exception: " + e.toString()); 242 } finally { 243 return mVpnPool; 244 } 245 } 246 } 247
