Modification od VNC program for screen sharing

Introduction

I modified a program which creates an encrypted password file from plain text. This program is used by sipc in case of SunOS and Linux. I also modified Windows version VNC program, WinVNC and vncviewer. I modified them to support a password in command line option. This document describes these programs.

Background

1. VNC password program for SunOS and Linux

• Original VNC software package includes a program named 'vncpasswd' which creates an encrypted password file from plain text, but this program requires to input a password from keyboard. However, in sipc case, it's better not to input anything from keyboard. Therefore I modified 'vncpasswd' program to support a password and file name in a command line option.

2. WinVNC program for Windows

• Original WinVNC program requires to input a password using dialogue box after invoking WinVNC. However, in sipc case, it's better not to input anything from keyboard. Therefore I modified 'WinVNC' program to support a password in a command line option.

3. vncviewer program for Windows

• Original Windows version's vncviewer program requires to input a password using dialogue box after invoking vncviewer. However, in sipc case, it's better not to input anything from keyboard. Therefore I modified 'vncviewer' program to support a password in a command line option.

Modified files

I modified the following files. They are in http://www.cs.columbia.edu/~koguchi/ScreenSharing/src/vnc/. tar file is here. Original VNC files can be downloaded from here.

1. VNC password program for SunOS and Linux

1. vncpasswd2.c

2. WinVNC program for Windows

1. WinVNC.h
2. WinVNC.cpp
3. vncProperties.cpp

3. vncviewer program for Windows

1. VNCOptions.h
2. VNCOptions.cpp
3. ClientConnection.cpp

Last updated by Kazuumi Koguchi