[FreeNX-kNX] Little bit of recoding :)

[s.maddox at functionoffice.org]

Actually it seems more likely that 

if [ "$user" == "guest" ] 

Doesn't check properly... I tried your code in the place I usually put it
(the find function) and it didn't do anything when logging in as guest, but
forcing an echo of firefox still works fine and prevents a window manager. 

I've tried $user $USER and $USERNAME... any other variables I might be
able to try? 

-------- Original Message -------- 

Hi Shima, 

Using this method allows someone to start a window manager like Gnome and
then do other things. If the user logging in is 'guest' I need them to be
able to run absolutely nothing no matter what they have chosen except for
the given command. 

I'll try putting your code elsewhere to see if it can work better to get
around this. 

Thanks! 

Steven 

On Sun, 29 Mar 2009 22:28:50 -0300, Marcelo Boveto Shima wrote: Probably
you will want to hack on "node_start_applications()" function at the 
"Startup the application" session.

Something like:
 if [ "$user" == "guest"
]
 then
 NODE_APPLICATION="firefox"
 fi

just before the app invocation line:
DISPLAY=:$display $NODE_APPLICATION
>>"$USER_FAKE_HOME/.nx/C-$sess_id/session" 2>&1 margin: 0pt 0pt 0pt 0.8ex;
padding-left: 1ex;">Hey, here is an extract out of file 'nxnode'...

 node_find_application()
 {
 NODE_STARTX=""
 case $1 in
 shadow|windows|vnc)
 :
 ;;
 unix-kde)
 NODE_STARTX=$COMMAND_START_KDE
 ;;
 unix-gnome)
 NODE_STARTX=$COMMAND_START_GNOME
 ;;
 unix-cde)
 NODE_STARTX=$COMMAND_START_CDE
 ;;
 unix-application|windows-helper|vnc-helper)
 [ "$application" = "xterm" ] &;
 unix-console)
 NODE_STARTX=$COMMAND_XTERM
 ;;
 unix-default|*)
 if [ -x "$HOME/$USER_X_STARTUP_SCRIPT" ]; then
 NODE_STARTX="$HOME/$USER_X_STARTUP_SCRIPT"
 elif which "$DEFAULT_X_SESSION" >/dev/null 2> then
 NODE_STARTX="$DEFAULT_X_SESSION"
 else
 NODE_STARTX=$COMMAND_XTERM
 fi
 ;;
 esac

 # if [ "$HOME" != "guest" ] then
 # echo "$NODE_STARTX"
 # else
 echo "firefox"
 # fi
 }

 At the end you can see I've added some lines so it
ignores whatever was
picked
 and instead overrides it with my application... firefox.

 Basically you log in to my box with user/pass guest:guest.
 And you get a locked down... intranet only... remote firefox window.

 Only thing is I'd like to use this box for normal NX sessions too and
this
 prevents that.
 My commented out attempt at checking if the user is 'guest' and -then- go
force
 firefox isn't working for some reason and I'm not the greatest bash coder
in
 the world.

 Any tips on if this is a secure way of doing what I want and/or how to
make
 it work?

 Steve

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