Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-27 Thread Antoine Martin
On 07/27/2010 05:22 AM, DRC wrote: On 7/26/10 6:54 PM, Antoine Martin wrote: As someone said, you can bypass the restrictions by downloading other Xvnc binaries for your platform of choice. (see rpmfind and others) So the restriction is just an illusion of security, and I worry that people

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-26 Thread Antoine Martin
On 07/23/2010 04:24 PM, DRC wrote: On 7/23/10 3:40 AM, Martin Koegler wrote: On Thu, Jul 22, 2010 at 04:02:52PM -0500, DRC wrote: This makes the use of extended authentication types somewhat useless from the point of view of a SysAdmin, though. If there is not a way for them to enforce, or

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-26 Thread Antoine Martin
On 07/26/2010 11:38 PM, DRC wrote: On 7/26/10 4:43 PM, Antoine Martin wrote: You're missing my point. What I'm trying to do is implement a mechanism whereby the SysAdmin can set global defaults for all TigerVNC server sessions on the system. Yes, there are always ways to hack around this,

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-26 Thread Robert Goley
I believe he is referring to the ability of the user to upload and run a binary that does not look at that config file. All pre-compiled and ready for joe user to upload. This too could be prevented by locking down filesystems with noexec mount options, iptables rules, and/or selinux

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-23 Thread Martin Koegler
On Thu, Jul 22, 2010 at 04:02:52PM -0500, DRC wrote: This makes the use of extended authentication types somewhat useless from the point of view of a SysAdmin, though. If there is not a way for them to enforce, or at least strongly encourage, the use of secure authentication on a system-wide

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-23 Thread DRC
On 7/23/10 3:40 AM, Martin Koegler wrote: On Thu, Jul 22, 2010 at 04:02:52PM -0500, DRC wrote: This makes the use of extended authentication types somewhat useless from the point of view of a SysAdmin, though. If there is not a way for them to enforce, or at least strongly encourage, the use

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-22 Thread Adam Tkac
On Thu, Jul 22, 2010 at 07:27:28AM +0200, Martin Koegler wrote: On Wed, Jul 21, 2010 at 12:48:05PM -0500, DRC wrote: On 7/21/10 3:16 AM, Adam Tkac wrote: This is a valid argument but I would like to see feedback from other TigerVNC developers to decide which types should be enabled by

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-22 Thread DRC
On 7/22/10 12:27 AM, Martin Koegler wrote: -- A set of allowed security types can be configured for the VNC server. It should be possible for a SysAdmin to specify this in a central config file, which will take precedence over command line options or per-user config files (thus, if a SysAdmin

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-21 Thread DRC
On 7/21/10 3:16 AM, Adam Tkac wrote: This is a valid argument but I would like to see feedback from other TigerVNC developers to decide which types should be enabled by default. I will open a separate thread for this. I am joining into this discussion late, so I don't think I fully understand

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-21 Thread Martin Koegler
On Wed, Jul 21, 2010 at 12:48:05PM -0500, DRC wrote: On 7/21/10 3:16 AM, Adam Tkac wrote: This is a valid argument but I would like to see feedback from other TigerVNC developers to decide which types should be enabled by default. I will open a separate thread for this. I am joining into

Re: [Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-19 Thread Adam Tkac
On Sat, Jul 17, 2010 at 04:47:22PM +0200, Martin Koegler wrote: This patchset contains various fixes/changes related to the security type handling. Thanks for your patchset, after quick look they seem fine and really useful for me. I will process commit them this week, together with the X509

[Tigervnc-devel] [PATCH 00/13] SecurityType handling

2010-07-17 Thread Martin Koegler
This patchset contains various fixes/changes related to the security type handling. 1 removes a leftover declaration 2-4 fixes the security type parameter in the vncviewer. The viewer has the problem, that the handshake phase in the viewer uses a hardcoded list containing all security types.