bugzilla-daemon at mindrot.org
2023-Nov-07 16:15 UTC
[Bug 3632] New: ssh should suppress output in stout and stdout when calling third party binaries
https://bugzilla.mindrot.org/show_bug.cgi?id=3632
Bug ID: 3632
Summary: ssh should suppress output in stout and stdout when
calling third party binaries
Product: Portable OpenSSH
Version: 9.4p1
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh
Assignee: unassigned-bugs at mindrot.org
Reporter: dbelyavs at redhat.com
ssh -q to an unknown host should be a silent failure but with ipa/idm
installed a program called sss_ssh_knownhostsproxy writes to stderr.
To reproduce it, you need to have SSSD client enrolled to a FreeIPA
server and run "ssh -q thishostdoesnotexist ls"
The FreeIPA project provides a demo server that can be used for this
purpose. The client only needs to follow the steps at
https://www.freeipa.org/page/Demo to set up the environment
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bugzilla-daemon at mindrot.org
2023-Nov-07 22:48 UTC
[Bug 3632] ssh should suppress output in stout and stdout when calling third party binaries
https://bugzilla.mindrot.org/show_bug.cgi?id=3632
Damien Miller <djm at mindrot.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |WONTFIX
CC| |djm at mindrot.org
Status|NEW |RESOLVED
--- Comment #1 from Damien Miller <djm at mindrot.org> ---
There's no need for ssh to do this because it's trivial for the user to
do this in the ProxyCommand itself, e.g.
ProxyCommand "somecommand 2>/dev/null"
Moreover, having ssh unilaterally discard stderr is not desirable as
the user may want diagnostics from ProxyCommand.
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