[Samba] Password protect commonly used data shares

[ron_smb at verizon.net]

My boss, Mr. Meany, at Abmas Research want simple but secure access to various dataset any where in the office.  Some workstation have generic logins, such as PC1, PC2, etc.  Users don't generally login/out of the system.  They use various workstations depending on the task, that they are performing.  They need to access multiple data shares from any system, but not allow users are allow access to all dataset.  So the individual dataset need to password protected.

So a generic user, PC1, may need to access Dataset1 and Dataset2 (given the appropriate passwords).  When finished the share/password access needs to be removed.

Any suggestions?