src/java.base/share/classes/sun/security/jca/ProviderList.java

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7191662: JCE providers should be located via ServiceLoader
   1 /*
   2  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 161      * Return a new ProviderList parsed from the java.security Properties.
 162      */
 163     private ProviderList() {
 164         List<ProviderConfig> configList = new ArrayList<>();
 165         for (int i = 1; true; i++) {
 166             String entry = Security.getProperty("security.provider." + i);
 167             if (entry == null) {
 168                 break;
 169             }
 170             entry = entry.trim();
 171             if (entry.length() == 0) {
 172                 System.err.println("invalid entry for " +
 173                                    "security.provider." + i);
 174                 break;
 175             }
 176             int k = entry.indexOf(' ');
 177             ProviderConfig config;
 178             if (k == -1) {
 179                 config = new ProviderConfig(entry);
 180             } else {
 181                 String className = entry.substring(0, k);
 182                 String argument = entry.substring(k + 1).trim();
 183                 config = new ProviderConfig(className, argument);
 184             }
 185 
 186             // Get rid of duplicate providers.
 187             if (configList.contains(config) == false) {
 188                 configList.add(config);
 189             }
 190         }
 191         configs = configList.toArray(PC0);
 192         if (debug != null) {
 193             debug.println("provider configuration: " + configList);
 194         }
 195     }
 196 
 197     /**
 198      * Construct a special ProviderList for JAR verification. It consists
 199      * of the providers specified via jarClassNames, which must be on the
 200      * bootclasspath and cannot be in signed JAR files. This is to avoid
 201      * possible recursion and deadlock during verification.
 202      */
 203     ProviderList getJarList(String[] jarClassNames) {
 204         List<ProviderConfig> newConfigs = new ArrayList<>();
 205         for (String className : jarClassNames) {
 206             ProviderConfig newConfig = new ProviderConfig(className);
 207             for (ProviderConfig config : configs) {
 208                 // if the equivalent object is present in this provider list,
 209                 // use the old object rather than the new object.
 210                 // this ensures that when the provider is loaded in the
 211                 // new thread local list, it will also become available
 212                 // in this provider list
 213                 if (config.equals(newConfig)) {
 214                     newConfig = config;
 215                     break;
 216                 }
 217             }
 218             newConfigs.add(newConfig);
 219         }
 220         ProviderConfig[] configArray = newConfigs.toArray(PC0);
 221         return new ProviderList(configArray, false);
 222     }
 223 
 224     public int size() {
 225         return configs.length;
 226     }


   1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 161      * Return a new ProviderList parsed from the java.security Properties.
 162      */
 163     private ProviderList() {
 164         List<ProviderConfig> configList = new ArrayList<>();
 165         for (int i = 1; true; i++) {
 166             String entry = Security.getProperty("security.provider." + i);
 167             if (entry == null) {
 168                 break;
 169             }
 170             entry = entry.trim();
 171             if (entry.length() == 0) {
 172                 System.err.println("invalid entry for " +
 173                                    "security.provider." + i);
 174                 break;
 175             }
 176             int k = entry.indexOf(' ');
 177             ProviderConfig config;
 178             if (k == -1) {
 179                 config = new ProviderConfig(entry);
 180             } else {
 181                 String provName = entry.substring(0, k);
 182                 String argument = entry.substring(k + 1).trim();
 183                 config = new ProviderConfig(provName, argument);
 184             }
 185 
 186             // Get rid of duplicate providers.
 187             if (configList.contains(config) == false) {
 188                 configList.add(config);
 189             }
 190         }
 191         configs = configList.toArray(PC0);
 192         if (debug != null) {
 193             debug.println("provider configuration: " + configList);
 194         }
 195     }
 196 
 197     /**
 198      * Construct a special ProviderList for JAR verification. It consists
 199      * of the providers specified via jarClassNames, which must be on the
 200      * bootclasspath and cannot be in signed JAR files. This is to avoid
 201      * possible recursion and deadlock during verification.
 202      */
 203     ProviderList getJarList(String[] jarProvNames) {
 204         List<ProviderConfig> newConfigs = new ArrayList<>();
 205         for (String provName : jarProvNames) {
 206             ProviderConfig newConfig = new ProviderConfig(provName);
 207             for (ProviderConfig config : configs) {
 208                 // if the equivalent object is present in this provider list,
 209                 // use the old object rather than the new object.
 210                 // this ensures that when the provider is loaded in the
 211                 // new thread local list, it will also become available
 212                 // in this provider list
 213                 if (config.equals(newConfig)) {
 214                     newConfig = config;
 215                     break;
 216                 }
 217             }
 218             newConfigs.add(newConfig);
 219         }
 220         ProviderConfig[] configArray = newConfigs.toArray(PC0);
 221         return new ProviderList(configArray, false);
 222     }
 223 
 224     public int size() {
 225         return configs.length;
 226     }