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DBIPROXY(1)                          User Contributed Perl Documentation                         DBIPROXY(1)



NAME
       dbiproxy - A proxy server for the DBD::Proxy driver

SYNOPSIS
           dbiproxy <options> --localport=<port>

DESCRIPTION
       This tool is just a front end for the DBI::ProxyServer package. All it does is picking options from
       the command line and calling DBI::ProxyServer::main(). See DBI::ProxyServer for details.

       Available options include:

       --chroot=dir
           (UNIX only)  After doing a bind(), change root directory to the given directory by doing a
           chroot(). This is useful for security, but it restricts the environment a lot. For example, you
           need to load DBI drivers in the config file or you have to create hard links to Unix sockets, if
           your drivers are using them. For example, with MySQL, a config file might contain the following
           lines:

               my $rootdir = '/var/dbiproxy';
               my $unixsockdir = '/tmp';
               my $unixsockfile = 'mysql.sock';
               foreach $dir ($rootdir, "$rootdir$unixsockdir") {
                   mkdir 0755, $dir;
               }
               link("$unixsockdir/$unixsockfile",
                    "$rootdir$unixsockdir/$unixsockfile");
               require DBD::mysql;

               {
                   'chroot' => $rootdir,
                   ...
               }

           If you don't know chroot(), think of an FTP server where you can see a certain directory tree
           only after logging in. See also the --group and --user options.

       --configfile=file
           Config files are assumed to return a single hash ref that overrides the arguments of the new
           method. However, command line arguments in turn take precedence over the config file. See the
           "CONFIGURATION FILE" section in the DBI::ProxyServer documentation for details on the config
           file.

       --debug
           Turn debugging mode on. Mainly this asserts that logging messages of level "debug" are created.

       --facility=mode
           (UNIX only) Facility to use for Sys::Syslog. The default is daemon.

       --group=gid
           After doing a bind(), change the real and effective GID to the given.  This is useful, if you
           want your server to bind to a privileged port (<1024), but don't want the server to execute as
           root. See also the --user option.

           GID's can be passed as group names or numeric values.

       --localaddr=ip
           By default a daemon is listening to any IP number that a machine has. This attribute allows to
           restrict the server to the given IP number.

       --localport=port
           This attribute sets the port on which the daemon is listening. It must be given somehow, as
           there's no default.

       --logfile=file
           Be default logging messages will be written to the syslog (Unix) or to the event log (Windows
           NT). On other operating systems you need to specify a log file. The special value "STDERR" forces
           logging to stderr. See Net::Daemon::Log for details.

       --mode=modename
           The server can run in three different modes, depending on the environment.

           If you are running Perl 5.005 and did compile it for threads, then the server will create a new
           thread for each connection. The thread will execute the server's Run() method and then terminate.
           This mode is the default, you can force it with "--mode=threads".

           If threads are not available, but you have a working fork(), then the server will behave similar
           by creating a new process for each connection.  This mode will be used automatically in the
           absence of threads or if you use the "--mode=fork" option.

           Finally there's a single-connection mode: If the server has accepted a connection, he will enter
           the Run() method. No other connections are accepted until the Run() method returns (if the client
           disconnects).  This operation mode is useful if you have neither threads nor fork(), for example
           on the Macintosh. For debugging purposes you can force this mode with "--mode=single".

       --pidfile=file
           (UNIX only) If this option is present, a PID file will be created at the given location. Default
           is to not create a pidfile.

       --user=uid
           After doing a bind(), change the real and effective UID to the given.  This is useful, if you
           want your server to bind to a privileged port (<1024), but don't want the server to execute as
           root. See also the --group and the --chroot options.

           UID's can be passed as group names or numeric values.

       --version
           Supresses startup of the server; instead the version string will be printed and the program exits
           immediately.

AUTHOR
           Copyright (c) 1997    Jochen Wiedmann
                                 Am Eisteich 9
                                 72555 Metzingen
                                 Germany

                                 Email: joe@ispsoft.de
                                 Phone: +49 7123 14881

       The DBI::ProxyServer module is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself. In particular permission is granted to Tim Bunce for distributing this as a
       part of the DBI.

SEE ALSO
       DBI::ProxyServer, DBD::Proxy, DBI



perl v5.10.0                                     2009-05-18                                      DBIPROXY(1)