001 /* Copyright (c) 2002 Graz University of Technology. All rights reserved.
002 *
003 * Redistribution and use in source and binary forms, with or without
004 * modification, are permitted provided that the following conditions are met:
005 *
006 * 1. Redistributions of source code must retain the above copyright notice,
007 * this list of conditions and the following disclaimer.
008 *
009 * 2. Redistributions in binary form must reproduce the above copyright notice,
010 * this list of conditions and the following disclaimer in the documentation
011 * and/or other materials provided with the distribution.
012 *
013 * 3. The end-user documentation included with the redistribution, if any, must
014 * include the following acknowledgment:
015 *
016 * "This product includes software developed by IAIK of Graz University of
017 * Technology."
018 *
019 * Alternately, this acknowledgment may appear in the software itself, if
020 * and wherever such third-party acknowledgments normally appear.
021 *
022 * 4. The names "Graz University of Technology" and "IAIK of Graz University of
023 * Technology" must not be used to endorse or promote products derived from
024 * this software without prior written permission.
025 *
026 * 5. Products derived from this software may not be called
027 * "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior
028 * written permission of Graz University of Technology.
029 *
030 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
031 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
032 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
033 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
034 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
035 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
036 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
037 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
038 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
039 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
040 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
041 * POSSIBILITY OF SUCH DAMAGE.
042 */
043
044 package demo.pkcs.pkcs11;
045
046 import java.io.BufferedReader;
047 import java.io.InputStreamReader;
048 import java.io.PrintWriter;
049 import java.util.Hashtable;
050
051 import iaik.pkcs.pkcs11.Info;
052 import iaik.pkcs.pkcs11.Module;
053 import iaik.pkcs.pkcs11.Session;
054 import iaik.pkcs.pkcs11.SessionInfo;
055 import iaik.pkcs.pkcs11.Slot;
056 import iaik.pkcs.pkcs11.State;
057 import iaik.pkcs.pkcs11.Token;
058 import iaik.pkcs.pkcs11.TokenInfo;
059 import iaik.pkcs.pkcs11.objects.Object;
060
061
062
063 /**
064 * This demo program allows to delete certain objects on a certain token. It
065 * allows the user to select a token. Thereafter, it displays the objects on
066 * that token and lets the user select one of them to delete it.
067 *
068 * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
069 * @version 0.1
070 * @invariants
071 */
072 public class DeleteObject {
073
074 static PrintWriter output_;
075
076 static BufferedReader input_;
077
078 static {
079 try {
080 //output_ = new PrintWriter(new FileWriter("GetInfo_output.txt"), true);
081 output_ = new PrintWriter(System.out, true);
082 input_ = new BufferedReader(new InputStreamReader(System.in));
083 } catch (Throwable thr) {
084 thr.printStackTrace();
085 output_ = new PrintWriter(System.out, true);
086 input_ = new BufferedReader(new InputStreamReader(System.in));
087 }
088 }
089
090 public static void main(String[] args) {
091 if (args.length == 1) {
092 try {
093 output_.println("################################################################################");
094 output_.println("load and initialize module: " + args[0]);
095 Module pkcs11Module = Module.getInstance(args[0]);
096 pkcs11Module.initialize(null);
097
098 Info info = pkcs11Module.getInfo();
099 output_.println(info);
100 output_.println("################################################################################");
101
102
103 output_.println("################################################################################");
104 output_.println("getting list of all tokens");
105 Slot[] slotsWithToken = pkcs11Module.getSlotList(Module.SlotRequirement.TOKEN_PRESENT);
106 Token[] tokens = new Token[slotsWithToken.length];
107 Hashtable tokenIDtoToken = new Hashtable(tokens.length);
108
109 for (int i = 0; i < slotsWithToken.length; i++) {
110 output_.println("________________________________________________________________________________");
111 tokens[i] = slotsWithToken[i].getToken();
112 TokenInfo tokenInfo = tokens[i].getTokenInfo();
113 long tokenID = tokens[i].getTokenID();
114 tokenIDtoToken.put(new Long(tokenID), tokens[i]);
115 output_.println("Token ID: " + tokenID);
116 output_.println(tokenInfo);
117 output_.println("________________________________________________________________________________");
118 }
119 output_.println("################################################################################");
120
121 Token selectedToken = null;
122 Long selectedTokenID = null;
123 if (tokens.length == 0) {
124 output_.println("There is no slot with a present token.");
125 System.exit(0);
126 } else if (tokens.length == 1) {
127 output_.println("Taking token with ID: " + tokens[0].getTokenID());
128 selectedTokenID = new Long(tokens[0].getTokenID());
129 selectedToken = tokens[0];
130 } else {
131 boolean gotTokenID = false;
132 while (!gotTokenID) {
133 output_.print("Enter the ID of the token to use or 'x' to exit: ");
134 output_.flush();
135 String tokenIDstring = input_.readLine();
136 if (tokenIDstring.equalsIgnoreCase("x")) {
137 System.exit(0);
138 }
139 try {
140 selectedTokenID = new Long(tokenIDstring);
141 selectedToken = (Token) tokenIDtoToken.get(selectedTokenID);
142 if (selectedToken != null) {
143 gotTokenID = true;
144 } else {
145 output_.println("A token with the entered ID \"" + tokenIDstring + "\" does not exist. Try again.");
146 }
147 } catch (NumberFormatException ex) {
148 output_.println("The entered ID \"" + tokenIDstring + "\" is invalid. Try again.");
149 }
150 }
151 }
152
153 output_.println("################################################################################");
154 Session session = selectedToken
155 .openSession(Token.SessionType.SERIAL_SESSION, Token.SessionReadWriteBehavior.RW_SESSION, null, null);
156
157 TokenInfo tokenInfo = selectedToken.getTokenInfo();
158 if (tokenInfo.isLoginRequired()) {
159 if (tokenInfo.isProtectedAuthenticationPath()) {
160 session.login(Session.UserType.USER, null); // the token prompts the PIN by other means; e.g. PIN-pad
161 } else {
162 output_.print("Enter user-PIN or press [return] to list just public objects: ");
163 output_.flush();
164 String userPINString = input_.readLine();
165 output_.println();
166 output_.print("listing all" + ((userPINString.length() > 0) ? "" : " public") + " objects on token");
167 if (userPINString.length() > 0) {
168 // login user
169 session.login(Session.UserType.USER, userPINString.toCharArray());
170 }
171 }
172 }
173 SessionInfo sessionInfo = session.getSessionInfo();
174 output_.println("using session:");
175 output_.println(sessionInfo);
176
177 output_.println("listing all" +
178 (((sessionInfo.getState() == State.RO_USER_FUNCTIONS) || (sessionInfo.getState() == State.RW_SO_FUNCTIONS))
179 ? ""
180 : " public")
181 + " objects on token with ID " + selectedTokenID);
182 output_.println("________________________________________________________________________________");
183
184 deleteLoop:
185 while (true) {
186 session.findObjectsInit(null);
187 Object[] objects = session.findObjects(1);
188 Hashtable objectHandleToObject = new Hashtable(10);
189
190 while (objects.length > 0) {
191 output_.println("--------------------------------------------------------------------------------");
192 long objectHandle = objects[0].getObjectHandle();
193 objectHandleToObject.put(new Long(objectHandle), objects[0]);
194 output_.println("Object with handle: " + objectHandle);
195 output_.println(objects[0]);
196 output_.println("--------------------------------------------------------------------------------");
197 objects = session.findObjects(1);
198 }
199 session.findObjectsFinal();
200
201 output_.println("________________________________________________________________________________");
202 output_.println("################################################################################");
203
204 Object selectedObject = null;
205 Long selectedObjectHandle;
206 if (objectHandleToObject.isEmpty()) {
207 output_.println("There are no objects on the token.");
208 break deleteLoop;
209 } else {
210 boolean gotObjectHandle = false;
211 while (!gotObjectHandle) {
212 output_.print("Enter the handle of the object to delete or 'x' to exit: ");
213 output_.flush();
214 String objectHandleString = input_.readLine();
215 if (objectHandleString.equalsIgnoreCase("x")) {
216 break deleteLoop;
217 }
218 try {
219 selectedObjectHandle = new Long(objectHandleString);
220 selectedObject = (Object) objectHandleToObject.get(selectedObjectHandle);
221 if (selectedObject != null) {
222 gotObjectHandle = true;
223 } else {
224 output_.println("An object with the handle \"" + objectHandleString + "\" does not exist. Try again.");
225 }
226 } catch (NumberFormatException ex) {
227 output_.println("The entered handle \"" + objectHandleString + "\" is invalid. Try again.");
228 }
229 }
230 }
231
232 output_.println("Going to delete this object: ");
233 output_.println(selectedObject);
234 output_.println();
235 output_.print("Are you sure that you want to DELETE this object permanently? [yes/no] ");
236 output_.flush();
237 String answer = input_.readLine();
238 if (answer.equalsIgnoreCase("yes")) {
239 session.destroyObject(selectedObject);
240 output_.println("Object deleted.");
241 }
242 }
243
244 session.closeSession();
245 pkcs11Module.finalize(null);
246
247 } catch (Throwable ex) {
248 ex.printStackTrace();
249 }
250 } else {
251 printUsage();
252 }
253 System.gc(); // to finalize and disconnect the pkcs11Module
254 }
255
256 protected static void printUsage() {
257 output_.println("DeleteObject <PKCS#11 module name>");
258 output_.println("e.g.: DeleteObject pk2priv.dll");
259 }
260
261 }