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List:       jakarta-commons-dev
Subject:    svn commit: r1087508 - in /commons/proper/net/trunk/src: changes/changes.xml
From:       sebb () apache ! org
Date:       2011-03-31 23:35:11
Message-ID: 20110331233511.B5CA42388A38 () eris ! apache ! org
[Download RAW message or body]

Author: sebb
Date: Thu Mar 31 23:35:11 2011
New Revision: 1087508

URL: http://svn.apache.org/viewvc?rev=1087508&view=rev
Log:
NET-397 FTPSClient does not handle AUTH or ADAT and only partially handles PBSZ. \
FTPSCommand should be deprecated.

Modified:
    commons/proper/net/trunk/src/changes/changes.xml
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPReply.java
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSClient.java
    commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSCommand.java


Modified: commons/proper/net/trunk/src/changes/changes.xml
URL: http://svn.apache.org/viewvc/commons/proper/net/trunk/src/changes/changes.xml?rev=1087508&r1=1087507&r2=1087508&view=diff
 ==============================================================================
--- commons/proper/net/trunk/src/changes/changes.xml (original)
+++ commons/proper/net/trunk/src/changes/changes.xml Thu Mar 31 23:35:11 2011
@@ -57,6 +57,9 @@ The <action> type attribute can be add,u
 
     <body>
         <release version="3.0" date="TBA" description="TBA">
+            <action issue="NET-397" dev="sebb" type="update" due-to="Bogdan \
Drozdowski" due-to-email="bogdandr # op . pl"> +            FTPSClient does not \
handle AUTH or ADAT and only partially handles PBSZ. FTPSCommand should be \
deprecated. +            </action>
             <action issue="NET-268" dev="sebb" type="fix">
             Better handling of CIDR/31 and CIDR/32 where isInclusive = false.
             Return 0 for address count, and 0.0.0.0 for each of the addresses

Modified: commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPReply.java
                
URL: http://svn.apache.org/viewvc/commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPReply.java?rev=1087508&r1=1087507&r2=1087508&view=diff
 ==============================================================================
--- commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPReply.java \
                (original)
+++ commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPReply.java \
Thu Mar 31 23:35:11 2011 @@ -250,4 +250,19 @@ public final class FTPReply
         return (reply >= 500 && reply < 600);
     }
 
+    /**
+     * Determine if a reply code is a protected response.
+     * @param reply  The reply code to test.
+     * @return True if a reply code is a protected response, false
+     *         if not.
+     * @since 3.0
+     */
+    public static boolean isProtectedReplyCode(int reply)
+    {
+        // actually, only 3 protected reply codes are
+        // defined in RFC 2228: 631, 632 and 633.
+        return (reply >= 600 && reply < 700);
+    }
+
+
 }

Modified: commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSClient.java
                
URL: http://svn.apache.org/viewvc/commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSClient.java?rev=1087508&r1=1087507&r2=1087508&view=diff
 ==============================================================================
--- commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSClient.java \
                (original)
+++ commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSClient.java \
Thu Mar 31 23:35:11 2011 @@ -30,6 +30,7 @@ import javax.net.ssl.SSLSocket;
 import javax.net.ssl.SSLSocketFactory;
 import javax.net.ssl.TrustManager;
 
+import org.apache.commons.net.util.Base64;
 import org.apache.commons.net.util.SSLContextUtils;
 
 /**
@@ -58,6 +59,23 @@ public class FTPSClient extends FTPClien
     /** Default secure socket protocol name, i.e. TLS */
     private static final String DEFAULT_PROTOCOL = "TLS";
 
+    /** The AUTH (Authentication/Security Mechanism) command. */
+    private static final String CMD_AUTH = "AUTH";
+    /**  The ADAT (Authentication/Security Data) command. */
+    private static final String CMD_ADAT = "ADAT";
+    /**  The PROT (Data Channel Protection Level) command. */
+    private static final String CMD_PROT = "PROT";
+    /**  The PBSZ (Protection Buffer Size) command. */
+    private static final String CMD_PBSZ = "PBSZ";
+    /**  The MIC (Integrity Protected Command) command. */
+    private static final String CMD_MIC = "MIC";
+    /**  The CONF (Confidentiality Protected Command) command. */
+    private static final String CMD_CONF = "CONF";
+    /**  The ENC (Privacy Protected Command) command. */
+    private static final String CMD_ENC = "ENC";
+    /**  The CCC (Clear Command Channel) command. */
+    private static final String CMD_CCC = "CCC";
+
     /** The security mode. (True - Implicit Mode / False - Explicit Mode) */
     private final boolean isImplicit;
     /** The secure socket protocol to be used, e.g. SSL/TLS. */
@@ -194,8 +212,7 @@ public class FTPSClient extends FTPClien
      * the command.
      */
     private void execAUTH() throws SSLException, IOException {
-        int replyCode = sendCommand(
-                FTPSCommand.getCommand(FTPSCommand.AUTH), auth);
+        int replyCode = sendCommand(CMD_AUTH, auth);
         if (FTPReply.SECURITY_MECHANISM_IS_OK == replyCode) {
             // replyCode = 334
             // I carry out an ADAT command.
@@ -402,16 +419,43 @@ public class FTPSClient extends FTPClien
      * @throws SSLException If the server reply code does not equal "200".
      * @throws IOException If an I/O error occurs while sending
      * the command.
+     * @see #parsePBSZ(long)
      */
     public void execPBSZ(long pbsz) throws SSLException, IOException {
-        if (pbsz < 0 || 4294967295L < pbsz)
+        if (pbsz < 0 || 4294967295L < pbsz) // 32-bit unsigned number
             throw new IllegalArgumentException();
-        if (FTPReply.COMMAND_OK != sendCommand(
-                FTPSCommand.getCommand(FTPSCommand.PBSZ),String.valueOf(pbsz)))
+        int status = sendCommand(CMD_PBSZ, String.valueOf(pbsz));
+        if (FTPReply.COMMAND_OK != status) {
             throw new SSLException(getReplyString());
+        }
     }
 
     /**
+     * PBSZ command. pbsz value: 0 to (2^32)-1 decimal integer.
+     * Issues the command and parses the response to return the negotiated value.
+     * 
+     * @param pbsz Protection Buffer Size.
+     * @throws SSLException If the server reply code does not equal "200".
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @return the negotiated value.
+     * @see #execPBSZ(long)
+     * @since 3.0
+     */
+    public long parsePBSZ(long pbsz) throws SSLException, IOException {
+        execPBSZ(pbsz);
+        long minvalue = pbsz;
+        String remainder = extractPrefixedData("PBSZ=", getReplyString());
+        if (remainder != null) {
+            long replysz = Long.parseLong(remainder);
+            if (replysz < minvalue) {
+                minvalue = replysz;
+            }
+        }
+        return minvalue;
+    }
+    
+    /**
      * PROT command.</br>
      * C - Clear</br>
      * S - Safe(SSL protocol only)</br>
@@ -430,8 +474,7 @@ public class FTPSClient extends FTPClien
     public void execPROT(String prot) throws SSLException, IOException {
         if (prot == null) prot = DEFAULT_PROT;
         if (!checkPROTValue(prot)) throw new IllegalArgumentException();
-        if (FTPReply.COMMAND_OK != sendCommand(
-                FTPSCommand.getCommand(FTPSCommand.PROT), prot))
+        if (FTPReply.COMMAND_OK != sendCommand(CMD_PROT, prot))
             throw new SSLException(getReplyString());
         if (DEFAULT_PROT.equals(prot)) {
             setSocketFactory(null);
@@ -465,11 +508,12 @@ public class FTPSClient extends FTPClien
      * the command.
      * @see org.apache.commons.net.ftp.FTP#sendCommand(java.lang.String)
      */
+    // Would like to remove this method, but that will break any existing clients \
that are using CCC  @Override
     public int sendCommand(String command, String args) throws IOException {
         int repCode = super.sendCommand(command, args);
         /* If CCC is issued, restore socket i/o streams to unsecured versions */
-        if (FTPSCommand.getCommand(FTPSCommand.CCC).equals(command)) {
+        if (CMD_CCC.equals(command)) {
             if (FTPReply.COMMAND_OK == repCode) {
                 _socket_.close();
                 _socket_ = plainSocket;
@@ -561,6 +605,154 @@ public class FTPSClient extends FTPClien
         setServerSocketFactory(null);
     }
 
+    /**
+     * Send the AUTH command with the specified mechanism.
+     * @param mechanism The mechanism name to send with the command.
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execAUTH(String mechanism) throws IOException
+    {
+        return sendCommand(CMD_AUTH, mechanism);
+    }
+
+    /**
+     * Send the ADAT command with the specified authentication data.
+     * @param data The data to send with the command.
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execADAT(byte[] data) throws IOException
+    {
+        if (data != null)
+        {
+            return sendCommand(CMD_ADAT, new String(Base64.encodeBase64(data)));
+        }
+        else
+        {
+            return sendCommand(CMD_ADAT);
+        }
+    }
+
+    /**
+     * Send the CCC command to the server.
+     * The CCC (Clear Command Channel) command causes the underlying {@link \
SSLSocket} instance  to be assigned +     * to a plain {@link Socket} instances
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execCCC() throws IOException
+    {
+        int repCode = sendCommand(CMD_CCC);
+// This will be performed by sendCommand(String, String)
+//        if (FTPReply.isPositiveCompletion(repCode)) {
+//            _socket_.close();
+//            _socket_ = plainSocket;
+//            _controlInput_ = new BufferedReader(
+//                new InputStreamReader(
+//                    _socket_.getInputStream(), getControlEncoding()));
+//            _controlOutput_ = new BufferedWriter(
+//                new OutputStreamWriter(
+//                    _socket_.getOutputStream(), getControlEncoding()));
+//        }
+        return repCode;
+    }
+
+    /**
+     * Send the MIC command with the specified data.
+     * @param data The data to send with the command.
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execMIC(byte[] data) throws IOException
+    {
+        if (data != null)
+        {
+            return sendCommand(CMD_MIC, new String(Base64.encodeBase64(data)));
+        }
+        else
+        {
+            return sendCommand(CMD_MIC, ""); // perhaps "=" or just \
sendCommand(String)? +        }
+    }
+
+    /**
+     * Send the CONF command with the specified data.
+     * @param data The data to send with the command.
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execCONF(byte[] data) throws IOException
+    {
+        if (data != null)
+        {
+            return sendCommand(CMD_CONF, new String(Base64.encodeBase64(data)));
+        }
+        else
+        {
+            return sendCommand(CMD_CONF, ""); // perhaps "=" or just \
sendCommand(String)? +        }
+    }
+
+    /**
+     * Send the ENC command with the specified data.
+     * @param data The data to send with the command.
+     * @return server reply.
+     * @throws IOException If an I/O error occurs while sending
+     * the command.
+     * @since 3.0
+     */
+    public int execENC(byte[] data) throws IOException
+    {
+        if (data != null)
+        {
+            return sendCommand(CMD_ENC, new String(Base64.encodeBase64(data)));
+        }
+        else
+        {
+            return sendCommand(CMD_ENC, ""); // perhaps "=" or just \
sendCommand(String)? +        }
+    }
+
+    /**
+     * Parses the given ADAT response line and base64-decodes the data.
+     * @param reply The ADAT reply to parse.
+     * @return the data in the reply, base64-decoded.
+     * @since 3.0
+     */
+    public byte[] parseADATReply(String reply)
+    {
+        if (reply == null) return null;
+        else {
+            return Base64.decodeBase64(extractPrefixedData("ADAT=", reply));
+        }
+    }
+
+    /**
+     * Extract the data from a reply with a prefix, e.g. PBSZ=1234 => 1234
+     * @param prefix the prefix to find
+     * @param reply where to find the prefix
+     * @return the remainder of the string after the prefix, or null if the prefix \
was not present. +     */
+    private String extractPrefixedData(String prefix, String reply) {
+        int idx = reply.indexOf(prefix);
+        if (idx == -1) { 
+            return null;
+        }
+        // N.B. Cannot use trim before substring as leading space would affect the \
offset. +        return reply.substring(idx+prefix.length()).trim();
+    }
+
     // DEPRECATED - for API compatibility only - DO NOT USE
 
     /** @deprecated - not used - may be removed in a future release */

Modified: commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSCommand.java
                
URL: http://svn.apache.org/viewvc/commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSCommand.java?rev=1087508&r1=1087507&r2=1087508&view=diff
 ==============================================================================
--- commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSCommand.java \
                (original)
+++ commons/proper/net/trunk/src/main/java/org/apache/commons/net/ftp/FTPSCommand.java \
Thu Mar 31 23:35:11 2011 @@ -18,9 +18,11 @@
 package org.apache.commons.net.ftp;
 
 /**
- * FTPS-specific command
+ * FTPS-specific commands.
  * @since 2.0
+ * @deprecated 3.0 DO NOT USE
  */
+@Deprecated
 public final class FTPSCommand {
     public static final int AUTH = 0;
     public static final int ADAT = 1;


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