11 Jan 2022 09:16:23 UTC
- Distribution: Gimp
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Gimp::Net - Communication module for the gimp-perl server.
For Gimp::Net (and thus commandline and remote scripts) to work, you first have to install the "Perl-Server" plugin somewhere where Gimp can find it (e.g in your .gimp/plug-ins/ directory). Usually this is done automatically while installing the Gimp extension. If you have a menu entry
Filters/Perl/Serverthen it is probably installed.
The Perl-Server can either be started from the
Filtersmenu in Gimp, or automatically when a perl script can't find a running Perl-Server, in which case it will start up its own copy of GIMP.
When started from within GIMP, the Perl-Server will create a unix domain socket to which local clients can connect. If an authorization password is given to the Perl-Server (by defining the environment variable
GIMP_HOSTbefore starting GIMP), it will also listen on a tcp port (default 10009). Since the password is transmitted in cleartext, using the Perl-Server over tcp effectively lowers the security of your network to the level of telnet. Even worse: the current Gimp::Net-protocol can be used for denial of service attacks, i.e. crashing the Perl-Server. There also *might* be buffer-overflows (although I do care a lot for these).
The environment variable
GIMP_HOSTspecifies the default server to contact and/or the password to use. The syntax is [auth@][tcp/]hostname[:port] for tcp, [auth@]unix/local/socket/path for unix and spawn/ for a private GIMP instance. Examples are:
www.yahoo.com # just kidding ;) yahoo.com:11100 # non-standard port tcp/yahoo.com # make sure it uses tcp authorize@tcp/yahoo.com:123 # full-fledged specification unix/tmp/unx # use unix domain socket password@unix/tmp/test # additionally use a password authorize@ # specify authorization only spawn/ # use a private gimp instance spawn/nodata # pass --no-data switch spawn/gui # don't pass -n switch
$callbackis called after we have succesfully connected to the server. Do your dirty work in this function, or see Gimp::Fu for a better solution.
waits for a spawned GIMP process to exit. Calls
croakif none defined.
sends the perl server a quit command.
return a connection id which uniquely identifies the current connection.
set the connection to use on subsequent commands.
conn_idis the connection id as returned by get_connection().
Marc Lehmann <firstname.lastname@example.org>