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Posted to commits@commons.apache.org by se...@apache.org on 2021/12/15 00:18:55 UTC

[commons-net] branch master updated: Prevent serialization

This is an automated email from the ASF dual-hosted git repository.

sebb pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-net.git


The following commit(s) were added to refs/heads/master by this push:
     new 991b775  Prevent serialization
991b775 is described below

commit 991b775f2052e150c4c16d1c1cd2073021d40c2e
Author: Sebb <se...@apache.org>
AuthorDate: Wed Dec 15 00:18:48 2021 +0000

    Prevent serialization
    
    It is not useful and is unlikely to work properly.
---
 src/changes/changes.xml                              |  4 ++++
 .../apache/commons/net/ProtocolCommandSupport.java   | 18 +++++++++++++++++-
 .../java/org/apache/commons/net/ftp/FTPFile.java     | 20 +++++++++++++++++++-
 .../java/org/apache/commons/net/ntp/TimeStamp.java   | 16 ++++++++++++++++
 .../org/apache/commons/net/util/ListenerList.java    | 15 +++++++++++++++
 5 files changed, 71 insertions(+), 2 deletions(-)

diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 95fbce2..d388412 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -92,6 +92,10 @@ The <action> type attribute can be add,update,fix,remove.
         [FTP] Add FTPFile.getTimestampInstant().
       </action>
       <!-- UPDATE -->
+      <action type="update" dev="sebb">
+        Prevent serialization of the 4 classes that implement Serializable.
+        It is not useful and is unlikely to work properly.
+      </action>
       <action type="update" dev="ggregory" due-to="Dependabot">
         Bump junit from 4.13.1 to 4.13.2 #74.
       </action>
diff --git a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
index c2e409d..9057d55 100644
--- a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
+++ b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
@@ -17,6 +17,8 @@
 
 package org.apache.commons.net;
 
+import java.io.IOException;
+import java.io.ObjectStreamException;
 import java.io.Serializable;
 import java.util.EventListener;
 
@@ -131,5 +133,19 @@ public class ProtocolCommandSupport implements Serializable
         listeners.removeListener(listener);
     }
 
-}
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable attribute can be dropped.
+     */
 
+    private void writeObject(java.io.ObjectOutputStream out) throws IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+    
+    private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+ 
+}
diff --git a/src/main/java/org/apache/commons/net/ftp/FTPFile.java b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
index b7ea2fe..fa45ccb 100644
--- a/src/main/java/org/apache/commons/net/ftp/FTPFile.java
+++ b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
@@ -17,6 +17,7 @@
 
 package org.apache.commons.net.ftp;
 
+import java.io.IOException;
 import java.io.Serializable;
 import java.time.Instant;
 import java.util.Calendar;
@@ -82,7 +83,7 @@ public class FTPFile implements Serializable {
     private Calendar calendar;
 
     /** If this is null, then list entry parsing failed. */
-    private final boolean[] permissions[]; // e.g. _permissions[USER_ACCESS][READ_PERMISSION]
+    private final boolean[][] permissions; // e.g. _permissions[USER_ACCESS][READ_PERMISSION]
 
     /** Creates an empty FTPFile. */
     public FTPFile() {
@@ -475,4 +476,21 @@ public class FTPFile implements Serializable {
     public String toString() {
         return getRawListing();
     }
+
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+    
+    private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+ 
+
 }
diff --git a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
index d31dafb..ec66ab7 100644
--- a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
+++ b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
@@ -18,6 +18,7 @@ package org.apache.commons.net.ntp;
 
 
 
+import java.io.IOException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -449,4 +450,19 @@ public class TimeStamp implements java.io.Serializable, Comparable<TimeStamp>
         return utcFormatter.format(ntpDate);
     }
 
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+    
+    private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+ 
 }
diff --git a/src/main/java/org/apache/commons/net/util/ListenerList.java b/src/main/java/org/apache/commons/net/util/ListenerList.java
index 2db5a3a..de1bb09 100644
--- a/src/main/java/org/apache/commons/net/util/ListenerList.java
+++ b/src/main/java/org/apache/commons/net/util/ListenerList.java
@@ -63,4 +63,19 @@ public class ListenerList implements Serializable, Iterable<EventListener>
             listeners.remove(listener);
     }
 
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+    
+    private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not supported");
+    }
+ 
 }

Re: [commons-net] branch master updated: Prevent serialization

Posted by sebb <se...@gmail.com>.
On Wed, 15 Dec 2021 at 00:30, Gary Gregory <ga...@gmail.com> wrote:
>
> Why not import java.io.ObjectOutputStream instead of always using the fully
> qualified class name?

Because I copy-pasted the signature.

Feel free to fix it.

> Gary
>
> ---------- Forwarded message ---------
> From: <se...@apache.org>
> Date: Tue, Dec 14, 2021 at 7:19 PM
> Subject: [commons-net] branch master updated: Prevent serialization
> To: commits@commons.apache.org <co...@commons.apache.org>
>
>
> This is an automated email from the ASF dual-hosted git repository.
>
> sebb pushed a commit to branch master
> in repository https://gitbox.apache.org/repos/asf/commons-net.git
>
>
> The following commit(s) were added to refs/heads/master by this push:
>      new 991b775  Prevent serialization
> 991b775 is described below
>
> commit 991b775f2052e150c4c16d1c1cd2073021d40c2e
> Author: Sebb <se...@apache.org>
> AuthorDate: Wed Dec 15 00:18:48 2021 +0000
>
>     Prevent serialization
>
>     It is not useful and is unlikely to work properly.
> ---
>  src/changes/changes.xml                              |  4 ++++
>  .../apache/commons/net/ProtocolCommandSupport.java   | 18
> +++++++++++++++++-
>  .../java/org/apache/commons/net/ftp/FTPFile.java     | 20
> +++++++++++++++++++-
>  .../java/org/apache/commons/net/ntp/TimeStamp.java   | 16 ++++++++++++++++
>  .../org/apache/commons/net/util/ListenerList.java    | 15 +++++++++++++++
>  5 files changed, 71 insertions(+), 2 deletions(-)
>
> diff --git a/src/changes/changes.xml b/src/changes/changes.xml
> index 95fbce2..d388412 100644
> --- a/src/changes/changes.xml
> +++ b/src/changes/changes.xml
> @@ -92,6 +92,10 @@ The <action> type attribute can be add,update,fix,remove.
>          [FTP] Add FTPFile.getTimestampInstant().
>        </action>
>        <!-- UPDATE -->
> +      <action type="update" dev="sebb">
> +        Prevent serialization of the 4 classes that implement Serializable.
> +        It is not useful and is unlikely to work properly.
> +      </action>
>        <action type="update" dev="ggregory" due-to="Dependabot">
>          Bump junit from 4.13.1 to 4.13.2 #74.
>        </action>
> diff --git
> a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
> b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
> index c2e409d..9057d55 100644
> --- a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
> +++ b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
> @@ -17,6 +17,8 @@
>
>  package org.apache.commons.net;
>
> +import java.io.IOException;
> +import java.io.ObjectStreamException;
>  import java.io.Serializable;
>  import java.util.EventListener;
>
> @@ -131,5 +133,19 @@ public class ProtocolCommandSupport implements
> Serializable
>          listeners.removeListener(listener);
>      }
>
> -}
> +    /*
> +        Serialization is unnecessary for this class.
> +        Reject attempts to do so until such time as the Serializable
> attribute can be dropped.
> +     */
>
> +    private void writeObject(java.io.ObjectOutputStream out) throws
> IOException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +    private void readObject(java.io.ObjectInputStream in) throws
> IOException, ClassNotFoundException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +}
> diff --git a/src/main/java/org/apache/commons/net/ftp/FTPFile.java
> b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
> index b7ea2fe..fa45ccb 100644
> --- a/src/main/java/org/apache/commons/net/ftp/FTPFile.java
> +++ b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
> @@ -17,6 +17,7 @@
>
>  package org.apache.commons.net.ftp;
>
> +import java.io.IOException;
>  import java.io.Serializable;
>  import java.time.Instant;
>  import java.util.Calendar;
> @@ -82,7 +83,7 @@ public class FTPFile implements Serializable {
>      private Calendar calendar;
>
>      /** If this is null, then list entry parsing failed. */
> -    private final boolean[] permissions[]; // e.g.
> _permissions[USER_ACCESS][READ_PERMISSION]
> +    private final boolean[][] permissions; // e.g.
> _permissions[USER_ACCESS][READ_PERMISSION]
>
>      /** Creates an empty FTPFile. */
>      public FTPFile() {
> @@ -475,4 +476,21 @@ public class FTPFile implements Serializable {
>      public String toString() {
>          return getRawListing();
>      }
> +
> +    /*
> +        Serialization is unnecessary for this class.
> +        Reject attempts to do so until such time as the Serializable
> attribute can be dropped.
> +     */
> +
> +    private void writeObject(java.io.ObjectOutputStream out) throws
> IOException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +    private void readObject(java.io.ObjectInputStream in) throws
> IOException, ClassNotFoundException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +
>  }
> diff --git a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
> b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
> index d31dafb..ec66ab7 100644
> --- a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
> +++ b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
> @@ -18,6 +18,7 @@ package org.apache.commons.net.ntp;
>
>
>
> +import java.io.IOException;
>  import java.text.DateFormat;
>  import java.text.SimpleDateFormat;
>  import java.util.Date;
> @@ -449,4 +450,19 @@ public class TimeStamp implements
> java.io.Serializable, Comparable<TimeStamp>
>          return utcFormatter.format(ntpDate);
>      }
>
> +    /*
> +        Serialization is unnecessary for this class.
> +        Reject attempts to do so until such time as the Serializable
> attribute can be dropped.
> +     */
> +
> +    private void writeObject(java.io.ObjectOutputStream out) throws
> IOException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +    private void readObject(java.io.ObjectInputStream in) throws
> IOException, ClassNotFoundException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
>  }
> diff --git a/src/main/java/org/apache/commons/net/util/ListenerList.java
> b/src/main/java/org/apache/commons/net/util/ListenerList.java
> index 2db5a3a..de1bb09 100644
> --- a/src/main/java/org/apache/commons/net/util/ListenerList.java
> +++ b/src/main/java/org/apache/commons/net/util/ListenerList.java
> @@ -63,4 +63,19 @@ public class ListenerList implements Serializable,
> Iterable<EventListener>
>              listeners.remove(listener);
>      }
>
> +    /*
> +        Serialization is unnecessary for this class.
> +        Reject attempts to do so until such time as the Serializable
> attribute can be dropped.
> +     */
> +
> +    private void writeObject(java.io.ObjectOutputStream out) throws
> IOException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
> +    private void readObject(java.io.ObjectInputStream in) throws
> IOException, ClassNotFoundException
> +    {
> +        throw new UnsupportedOperationException("Serialization is not
> supported");
> +    }
> +
>  }

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Fwd: [commons-net] branch master updated: Prevent serialization

Posted by Gary Gregory <ga...@gmail.com>.
Why not import java.io.ObjectOutputStream instead of always using the fully
qualified class name?

Gary

---------- Forwarded message ---------
From: <se...@apache.org>
Date: Tue, Dec 14, 2021 at 7:19 PM
Subject: [commons-net] branch master updated: Prevent serialization
To: commits@commons.apache.org <co...@commons.apache.org>


This is an automated email from the ASF dual-hosted git repository.

sebb pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-net.git


The following commit(s) were added to refs/heads/master by this push:
     new 991b775  Prevent serialization
991b775 is described below

commit 991b775f2052e150c4c16d1c1cd2073021d40c2e
Author: Sebb <se...@apache.org>
AuthorDate: Wed Dec 15 00:18:48 2021 +0000

    Prevent serialization

    It is not useful and is unlikely to work properly.
---
 src/changes/changes.xml                              |  4 ++++
 .../apache/commons/net/ProtocolCommandSupport.java   | 18
+++++++++++++++++-
 .../java/org/apache/commons/net/ftp/FTPFile.java     | 20
+++++++++++++++++++-
 .../java/org/apache/commons/net/ntp/TimeStamp.java   | 16 ++++++++++++++++
 .../org/apache/commons/net/util/ListenerList.java    | 15 +++++++++++++++
 5 files changed, 71 insertions(+), 2 deletions(-)

diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 95fbce2..d388412 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -92,6 +92,10 @@ The <action> type attribute can be add,update,fix,remove.
         [FTP] Add FTPFile.getTimestampInstant().
       </action>
       <!-- UPDATE -->
+      <action type="update" dev="sebb">
+        Prevent serialization of the 4 classes that implement Serializable.
+        It is not useful and is unlikely to work properly.
+      </action>
       <action type="update" dev="ggregory" due-to="Dependabot">
         Bump junit from 4.13.1 to 4.13.2 #74.
       </action>
diff --git
a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
index c2e409d..9057d55 100644
--- a/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
+++ b/src/main/java/org/apache/commons/net/ProtocolCommandSupport.java
@@ -17,6 +17,8 @@

 package org.apache.commons.net;

+import java.io.IOException;
+import java.io.ObjectStreamException;
 import java.io.Serializable;
 import java.util.EventListener;

@@ -131,5 +133,19 @@ public class ProtocolCommandSupport implements
Serializable
         listeners.removeListener(listener);
     }

-}
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable
attribute can be dropped.
+     */

+    private void writeObject(java.io.ObjectOutputStream out) throws
IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws
IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+}
diff --git a/src/main/java/org/apache/commons/net/ftp/FTPFile.java
b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
index b7ea2fe..fa45ccb 100644
--- a/src/main/java/org/apache/commons/net/ftp/FTPFile.java
+++ b/src/main/java/org/apache/commons/net/ftp/FTPFile.java
@@ -17,6 +17,7 @@

 package org.apache.commons.net.ftp;

+import java.io.IOException;
 import java.io.Serializable;
 import java.time.Instant;
 import java.util.Calendar;
@@ -82,7 +83,7 @@ public class FTPFile implements Serializable {
     private Calendar calendar;

     /** If this is null, then list entry parsing failed. */
-    private final boolean[] permissions[]; // e.g.
_permissions[USER_ACCESS][READ_PERMISSION]
+    private final boolean[][] permissions; // e.g.
_permissions[USER_ACCESS][READ_PERMISSION]

     /** Creates an empty FTPFile. */
     public FTPFile() {
@@ -475,4 +476,21 @@ public class FTPFile implements Serializable {
     public String toString() {
         return getRawListing();
     }
+
+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable
attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws
IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws
IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+
 }
diff --git a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
index d31dafb..ec66ab7 100644
--- a/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
+++ b/src/main/java/org/apache/commons/net/ntp/TimeStamp.java
@@ -18,6 +18,7 @@ package org.apache.commons.net.ntp;



+import java.io.IOException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -449,4 +450,19 @@ public class TimeStamp implements
java.io.Serializable, Comparable<TimeStamp>
         return utcFormatter.format(ntpDate);
     }

+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable
attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws
IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws
IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
 }
diff --git a/src/main/java/org/apache/commons/net/util/ListenerList.java
b/src/main/java/org/apache/commons/net/util/ListenerList.java
index 2db5a3a..de1bb09 100644
--- a/src/main/java/org/apache/commons/net/util/ListenerList.java
+++ b/src/main/java/org/apache/commons/net/util/ListenerList.java
@@ -63,4 +63,19 @@ public class ListenerList implements Serializable,
Iterable<EventListener>
             listeners.remove(listener);
     }

+    /*
+        Serialization is unnecessary for this class.
+        Reject attempts to do so until such time as the Serializable
attribute can be dropped.
+     */
+
+    private void writeObject(java.io.ObjectOutputStream out) throws
IOException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws
IOException, ClassNotFoundException
+    {
+        throw new UnsupportedOperationException("Serialization is not
supported");
+    }
+
 }