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pop3d::udb(n) Tcl POP3 Server Package pop3d::udb(n) 





NAME


pop3d::udb - Simple user database for pop3d






SYNOPSIS


package require Tcl 8.2


package require pop3d::udb ?1.0.1?


::pop3d::udb::new ?dbName?


dbName option ?arg arg ...?


dbName destroy


dbName add user pwd storage


dbName remove user


dbName rename user newName


dbName lookup user


dbName exists user


dbName who


dbName save ?file?


dbName read file










DESCRIPTION


The package pop3d::udb provides simple in memory databases
    which can be used in conjunction with the pop3 server core provided by the
    package pop3d. The databases will use the names of users as keys and
    associates passwords and storage references with them.


Objects created by this package can be directly used in the
    authentication callback of pop3 servers following the same interface as
    servers created by the package pop3d.



  
::pop3d::udb::new ?dbName?

  
This command creates a new database object with an associated global Tcl
      command whose name is dbName.




The command dbName may be used to invoke various operations
    on the database. It has the following general form:



  

  
Option and the args determine the exact behavior of the
      command.




The following commands are possible for database objects:



  

  
Destroys the database object.

  

  
Add a new user or changes the data of an existing user. Stores
      password and storage reference for the given
    user.

  

  
Removes the specified user from the database.

  

  
Changes the name of the specified user to newName.

  

  
Searches the database for the specified user and returns a
      two-element list containing the associated password and storage reference,
      in this order. Throws an error if the user could not be found. This is the
      interface as expected by the authentication callback of package
      pop3d.

  

  
Returns true if the specified user is known to the database, else
      false.

  

  
Returns a list of users known to the database.

  

  
Saves the contents of the database into the given file. If the file
      is not specified the system will use the path last used in a call to
      dbName read. The generated file can be read by the
      read method.

  

  
Reads the specified file and adds the contained user definitions to
      the database. As the file is actually source'd a safe interpreter
      is employed to safeguard against malicious code. This interpreter knows
      the add command for adding users and their associated data to this
      database. This command has the same argument signature as the method
      add. The path of the file is remembered internally so that
      it can be used in the next call of dbName save without an
      argument.








BUGS, IDEAS, FEEDBACK


This document, and the package it describes, will undoubtedly
    contain bugs and other problems. Please report such in the category
    pop3d of the Tcllib Trackers
    [http://core.tcl.tk/tcllib/reportlist]. Please also report any ideas for
    enhancements you may have for either package and/or documentation.


When proposing code changes, please provide unified diffs,
    i.e the output of diff -u.


Note further that attachments are strongly preferred over
    inlined patches. Attachments can be made by going to the Edit form of
    the ticket immediately after its creation, and then using the left-most
    button in the secondary navigation bar.






KEYWORDS


internet, network, pop3, protocol






CATEGORY


Networking






COPYRIGHT


Copyright (c) 2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>








  

    1.0.1
    tcllib