1 files changed, 240 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/crammd5/PasswordFile.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/crammd5/PasswordFile.java
new file mode 100644
index 000000000..4900842a7
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/crammd5/PasswordFile.java
@@ -0,0 +1,240 @@
+/* PasswordFile.java -- 
+   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.  */
+
+
+package gnu.javax.crypto.sasl.crammd5;
+
+import gnu.java.lang.CPStringBuilder;
+
+import gnu.javax.crypto.sasl.NoSuchUserException;
+import gnu.javax.crypto.sasl.UserAlreadyExistsException;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+import java.util.StringTokenizer;
+
+/**
+ * The CRAM-MD5 password file representation.
+ */
+public class PasswordFile
+{
+  private static String DEFAULT_FILE;
+  static
+    {
+      DEFAULT_FILE = System.getProperty(CramMD5Registry.PASSWORD_FILE,
+                                        CramMD5Registry.DEFAULT_PASSWORD_FILE);
+    }
+  private HashMap entries;
+  private File passwdFile;
+  private long lastmod;
+
+  public PasswordFile() throws IOException
+  {
+    this(DEFAULT_FILE);
+  }
+
+  public PasswordFile(final File pwFile) throws IOException
+  {
+    this(pwFile.getAbsolutePath());
+  }
+
+  public PasswordFile(final String fileName) throws IOException
+  {
+    passwdFile = new File(fileName);
+    update();
+  }
+
+  public synchronized void add(final String user, final String passwd,
+                               final String[] attributes) throws IOException
+  {
+    checkCurrent(); // check if the entry exists
+    if (entries.containsKey(user))
+      throw new UserAlreadyExistsException(user);
+    if (attributes.length != 5)
+      throw new IllegalArgumentException("Wrong number of attributes");
+    final String[] fields = new String[7]; // create the new entry
+    fields[0] = user;
+    fields[1] = passwd;
+    System.arraycopy(attributes, 0, fields, 2, 5);
+    entries.put(user, fields);
+    savePasswd();
+  }
+
+  public synchronized void changePasswd(final String user, final String passwd)
+      throws IOException
+  {
+    checkCurrent();
+    if (! entries.containsKey(user))
+      throw new NoSuchUserException(user);
+    final String[] fields = (String[]) entries.get(user); // get existing entry
+    fields[1] = passwd; // modify the password field
+    entries.remove(user); // delete the existing entry
+    entries.put(user, fields); // add the new entry
+    savePasswd();
+  }
+
+  public synchronized String[] lookup(final String user) throws IOException
+  {
+    checkCurrent();
+    if (! entries.containsKey(user))
+      throw new NoSuchUserException(user);
+    return (String[]) entries.get(user);
+  }
+
+  public synchronized boolean contains(final String s) throws IOException
+  {
+    checkCurrent();
+    return entries.containsKey(s);
+  }
+
+  private synchronized void update() throws IOException
+  {
+    lastmod = passwdFile.lastModified();
+    readPasswd(new FileInputStream(passwdFile));
+  }
+
+  private void checkCurrent() throws IOException
+  {
+    if (passwdFile.lastModified() > lastmod)
+      update();
+  }
+
+  private synchronized void readPasswd(final InputStream in) throws IOException
+  {
+    final BufferedReader din = new BufferedReader(new InputStreamReader(in));
+    String line;
+    entries = new HashMap();
+    while ((line = din.readLine()) != null)
+      {
+        final String[] fields = new String[7];
+        final StringTokenizer st = new StringTokenizer(line, ":", true);
+        try
+          {
+            fields[0] = st.nextToken(); // username
+            st.nextToken();
+            fields[1] = st.nextToken(); // passwd
+            if (fields[1].equals(":"))
+              fields[1] = "";
+            else
+              st.nextToken();
+            fields[2] = st.nextToken(); // uid
+            if (fields[2].equals(":"))
+              fields[2] = "";
+            else
+              st.nextToken();
+            fields[3] = st.nextToken(); // gid
+            if (fields[3].equals(":"))
+              fields[3] = "";
+            else
+              st.nextToken();
+            fields[4] = st.nextToken(); // gecos
+            if (fields[4].equals(":"))
+              fields[4] = "";
+            else
+              st.nextToken();
+            fields[5] = st.nextToken(); // dir
+            if (fields[5].equals(":"))
+              fields[5] = "";
+            else
+              st.nextToken();
+            fields[6] = st.nextToken(); // shell
+            if (fields[6].equals(":"))
+              fields[6] = "";
+          }
+        catch (NoSuchElementException x)
+          {
+            continue;
+          }
+        entries.put(fields[0], fields);
+      }
+  }
+
+  private synchronized void savePasswd() throws IOException
+  {
+    if (passwdFile != null)
+      {
+        final FileOutputStream fos = new FileOutputStream(passwdFile);
+        PrintWriter pw = null;
+        try
+          {
+            pw = new PrintWriter(fos);
+            String key;
+            String[] fields;
+            CPStringBuilder sb;
+            int i;
+            for (Iterator it = entries.keySet().iterator(); it.hasNext();)
+              {
+                key = (String) it.next();
+                fields = (String[]) entries.get(key);
+                sb = new CPStringBuilder(fields[0]);
+                for (i = 1; i < fields.length; i++)
+                  sb.append(":").append(fields[i]);
+                pw.println(sb.toString());
+              }
+          }
+        finally
+          {
+            if (pw != null)
+              try
+                {
+                  pw.flush();
+                }
+              finally
+                {
+                  pw.close();
+                }
+            try
+              {
+                fos.close();
+              }
+            catch (IOException ignored)
+              {
+              }
+            lastmod = passwdFile.lastModified();
+          }
+      }
+  }
+}