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Issue: OpenSSL function error on Linux


Nick Bolton

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  • Synergy Team

We are aware of an issue in Synergy 1.10.3 where an invalid OpenSSL function is called. This occurs on older versions of Linux, or versions of Linux with an older version of OpenSSL.

openssl error: error:140C5042:SSL routines:ssl_undefined_function:called a function you should not call

Please open a support ticket if you're experiencing this issue.

Note: This thread is a continuation of an earlier locked thread.

 

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On 9/13/2019 at 11:22 AM, Nick Bolton said:

Hi there, there is an issue on some Linux distros where Synergy uses an incorrect version of OpenSSL. We will be working on fixing this issue in a future version. For now, please use version 1.10.2 if you're experiencing this issue.

Where do I find this distribution? I have debian 10.

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  • 2 weeks later...

Not sure what the consideration is but isn't it easier to open the old versions downloading for fallback? I reported the same issue happened on my Ubuntu 16.04 + OpenSSL 1.1.1d but just don't want to report another (series of) support ticket(s) to get/try the alternative (start from 1.10.2).

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  • Synergy Team
18 hours ago, ywu said:

open the old versions downloading

Yes, we do plan to add the last few versions to the website as that'll make it easier. In the meantime, please open a support ticket. Thanks.

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  • 1 month later...

Hi Guys,

Initial testing on this build looks to have solved the issue, would those affected by the TLS/SSL `undefined function` bug mind giving this version a try, and reacting to this post if it works, or posting and details below if it didn't.

https://snapshots.symless.com/public/6556-tls/

Thanks 

Jamie

Edit: updated link due to password protection, the link is public access now.

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On 5. 11. 2019 at 10:13 AM, Jamie Newbon said:

Hi Guys,

Initial testing on this build looks to have solved the issue, would those affected by the TLS/SSL `undefined function` bug mind giving this version a try, and reacting to this post if it works, or posting and details below if it didn't.

https://snapshots.symless.com/public/6556-tls/

Thanks 

Jamie

Edit: updated link due to password protection, the link is public access now.

This dev version works as client with ssl on Lubuntu 16.04. 

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I just tested this out briefly with my Macbook Pro (late 2013) running Mojave 10.14.6.

It works and connects to a client using Ubuntu 16.04 LTS.

I am able to go between screens and click around.

Edited by nleco
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I have this problem also on fedora workstation 31

openssl error: error:140C5042:SSL routines:ssl_undefined_function:called a function you should not call

I am using this file to install the application "synergy-1.10.3-120.stable.ca35737a_centos_el7.x86_64.rpm".

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Hi guys

Synergy v1.11.0-rc2 is available for testing which includes the TLS fix as well.

Here are the changes in this version.

Features:

  • #6518 Key combination that will force a server restart

Enhancements:

  • #6588 Version number header with update check
  • #4957 Server fails to start up due to synwinhk.dll is in use

Bug fixes:

  • #5294 Cursor lockout at Windows server login screen
  • #6569 Unable to run on macOS 10.15 Catalina
  • #6561 Debian buster no longer supports CA key length of 1024
  • #6556 Function missing error from OpenSSL/TLS
  • #6575 Service start error on Windows
  • #6566 Debug message output mistakenly as info message
  • #5959 User interface failed to load local fingerprint

If you find a bug with this version, please submit an issue on GitHub, or contact support.

Thanks,
Jamie

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  • 2 weeks later...
  • Jamie Newbon unpinned this topic

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