W dniu piątek, 19 stycznia 2018 21:16:10 UTC+1 użytkownik Alex Dubois napisał: > On Friday, 19 January 2018 19:37:43 UTC, Yethal wrote: > > W dniu piątek, 19 stycznia 2018 20:00:27 UTC+1 użytkownik Alex Dubois > > napisał: > > > On Friday, 19 January 2018 17:52:41 UTC, Alex Dubois wrote: > > > > On Friday, 19 January 2018 12:05:36 UTC, Tom Zander wrote: > > > > > On Friday, 19 January 2018 12:48:27 CET wordswithn...@gmail.com wrote: > > > > > > Qubes already has built-in the capability to screenshot the entire > > > > > > desktop > > > > > > (Printscreen) or the current window (Ctrl+Printscreen). > > > > > > > > > > Yes, it does. > > > > > > > > > > But this is not something you should use and then send to a VM > > > > > becuase that > > > > > VM then suddenly gets knowledge about all the other windows on screen > > > > > that > > > > > may be from another VM. > > > > > > > > Default should prevent, but user should have choice. > > > > > > > > > > > > > > Imagine having your Vault VM window open with all your passwords and > > > > > then > > > > > you auto-upload a screenshot of that into a compromised VM which then > > > > > causes > > > > > the screenshot to be uploaded to a server. > > > > > > > > > > I'm not aware of any way to avoid this data-leakage using the > > > > > screenshot > > > > > application in dom0. > > > > > -- > > > > > Tom Zander > > > > > Blog: https://zander.github.io > > > > > Vlog: https://vimeo.com/channels/tomscryptochannel > > > > > > > > XFCE (default Qubes Windows manager) provides a screenshot application > > > > (Menu/System Tools/Screenshot activated with the PrintScreen Key as > > > > well) > > > > This launch a windows with: > > > > - Region to capture (radio selection) > > > > - Entire screen (selected by default) > > > > - Active window > > > > - Select a region > > > > - Delay before capturing > > > > - X seconds (default is 1) > > > > - Capture mouse pointer > > > > - Y/N (default Y) > > > > > > > > What I think needs to be done: > > > > - Change the default for region to capture to "active window" > > > > - Also > > > > - hook into screenshot so that either > > > > - when OK (or Enter key) is pressed > > > > - the Save As dialog is replace by another one where you put the > > > > VM name (and it goes into QubesIncoming in that VM, for Dom0 into > > > > /home/user/screenshots) > > > > - Dom0 Confirmation pop-up appear (same as usual copy/move > > > > file) with a preview (TBC)? > > > > OR - the Save As dialog has a kind of "network drive list" which is > > > > the list of VMs that are running, and saving there save to > > > > QubesIncoming for that VM. You have to prevent the create directory and > > > > other stuff probably. Benefit is that it is probably re-usable for any > > > > Dom0 apps which use the Save As window. > > > > > > OK for the impatient, this will send a screenshot of the current window > > > to a VM (no selection of target VM for the moment): > > > > > > 1- Bind shortcut key: > > > Click on: Menu/System Tools/Keyboard > > > Click on: Application Shortcuts tab > > > Click on Add > > > Command: xfce4-screenshooter -w -o /usr/local/bin/screenshooter.sh > > > Bind to Ctrl + Shift + PrintScreen (or whatever you want) > > > > > > 2- Create script that will copy the file to the target VM > > > in Dom0 terminal > > > sudo vi /usr/local/screenshooter.sh > > > > > > #!/bin/bash > > > cat $1 qvm-run --pass-io <VMName> "cat > /home/user/`echo $1 | awk -F'/' > > > '{print $3}'`" > > > > > > where <VMName> is the started VM that will receive the screenshot. You > > > can obviously choose a path that user has write access to. You may want > > > to clean the file that is save by default in /tmp by adding this line > > > rm /tmp/`echo $1 | awk -F'/' '{print $3}'`" > > > > > > 3- Make the script executable > > > sudo chmod a+x /usr/local/bin/screenshooter.sh > > > > there is the qvm-screenshot-tool. Is that not enough? > > Never heard of it. In which package is-it?
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