X2go Access Denied Authentication That Can Continue Keyboardinteractive
X2Go Bug report logs - #966
x2goclient SSH fails with keyboard-interactive + banner
Reported by: Andrew Cherry <acherry@alcf.anl.gov>
Date: Fri, 20 Nov 2015 17:05:02 UTC
Severity: normal
Tags: pending
Found in version 4.0.5.1
Fixed in version 4.1.1.0
Done: X2Go Release Manager X2Go Release Manager <git-admin@x2go.org>
Bug is archived. No further changes may be made.
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Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#966; Package x2goclient. (Fri, 20 Nov 2015 17:05:02 GMT) (full text, mbox, link).
Acknowledgement sent to Andrew Cherry <acherry@alcf.anl.gov>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Fri, 20 Nov 2015 17:05:02 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):
Package: x2goclient Version: 4.0.5.1 On our systems, security policy requires us to use OTP tokens for login, which means that all SSH connections are keyboard-interactive. In addition, we use /etc/issue.net to print a warning banner before the SSH password prompt. When x2goclient connects, the string variable containing the output for the password prompt ('pr' in sshmasterconnection.cpp) includes the banner as well, and since the check for "Password: " is a strict equality check, the password prompt is not recognized. The simple patch below seems to do the trick to get around this issue: --- sshmasterconnection.cpp 2015-11-20 11:37:44.000000000 -0500 +++ /Users/acherry/sshmasterconnection.cpp 2015-11-20 11:37:24.000000000 -0500 @@ -866,7 +866,7 @@ x2goDebug<<"Prompt[0]: |"<<prompt<<"|"<<endl;
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