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Bug 1338037

Summary: rsh/rlogin sessions ignore SIGPIPE due to systemd, <service>@.service's need IgnoreSIGPIPE=no
Product: Red Hat Enterprise Linux 7 Reporter: giulioo
Component: rshAssignee: Michal Ruprich <mruprich>
Status: CLOSED ERRATA QA Contact: Ondrej Mejzlik <omejzlik>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.4CC: james-p, omejzlik, psklenar, thozza
Target Milestone: rcKeywords: FastFix
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: rsh-0.17-79.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-10-30 08:00:13 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1400961, 1472751    

Description giulioo 2016-05-20 20:46:03 UTC 
Description of problem:
rsh/rlogin sessions ignore SIGPIPE because systemd defaults to IgnoreSIGPIPE=yes

Version-Release number of selected component (if applicable):
rsh-server-0.17-76.el7_1.1.x86_64

How reproducible:
Always

Steps to Reproduce:
rsh/rlogin and use a command piping to "head" (just an example)

Actual results:
$ rsh rhe7-system "seq 1 100000|head -n 1"
1
seq: write error: Broken pipe
$


Expected results:
$ rsh rhe7-system "seq 1 100000|head -n 1"
1
$

Additional info:

All of these files
/usr/lib/systemd/system/rexec@.service
/usr/lib/systemd/system/rlogin@.service
/usr/lib/systemd/system/rsh@.service
need IgnoreSIGPIPE=no in the [Service] section
Comment 6 Michal Ruprich 2018-04-23 09:46:03 UTC 
Only reproducible with selinux being turned off. Not sure why though yet.
Comment 11 errata-xmlrpc 2018-10-30 08:00:13 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:3057