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Subject: Bug#832: X2Go Client in broker mode wiath autologin enabled expects transmission of private SSH key file
Reply-To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>, 832@bugs.x2go.org
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Date: Mon, 30 Mar 2015 04:28:28 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: submit@bugs.x2go.org
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Package: x2goclient
Severity: important
Version: 4.0.4.0

If brokerage with autologin is in use (a very common broker setup),=20=20
the=20current client<->broker communication design in X2Go Client is=20=20
that=20the broker creates a SSH pubkey/privkey pair and transmits the=20=20
private=20key to the client.

Never should we transmit private key files over the wire!!!

The X2Go Session Broker is already able to accept pubkey files from=20=20
the=20client side and deploy those pubkeys appropriately. In Python=20=20
X2Go,=20this is already used.

X2Go Client should switch here: create pubkey/privkey pair on=20=20
client-side,=20push the pubkey to the broker and have it temporarily=20=20
deployed=20from there to the X2Go Server where the next session login is=20=
=20
scheduled=20by the broker.

Mike
--=20

DAS-NETZWERKTEAM
mike=20gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

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