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+++ This bug was initially created as a clone of Bug #1423003 +++

Description of problem:

The yum-rhn-plugin sends http-headers that are separated by only a newline, when the spec requires CRLF.

In the presence of an httpd which enforces the spec, this results in any attempt to update/install content returning

error was [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 400 Bad Request"

Version-Release number of selected component (if applicable):

The bug was introduced in yum-rhn-plugin-0.8.4-1. The problem was harmless until uncovered by fixes for httpd that tightened whitespace processing.

How reproducible:

See https://bugzilla.redhat.com/show_bug.cgi?id=1422518 for gory details. The net is, 'yum update a system that is talking to a satellite-5 whose httpd is at 2.2.15-60 or higher'.

Actual results:

error was [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 400 Bad Request"

Expected results:

successful install/update of packages.

Additional info:

This BZ is for getting the client-side fix in place for RHEL7, BZ#1422518 is for getting a workaround in place on the Satellite5 backend.

--- Additional comment from Grant Gainey on 2017-02-16 15:18:50 EST ---

We need to fix this in active z-streams as well

Proposed solution:

https://github.com/spacewalkproject/spacewalk/pull/506

Fix available in upstream ...

spacewalk.git: f53a791847105cf422f9fbb41dcb41eeb018c6be

Verified with yum-rhn-plugin-2.0.1-9.el7.noarch.rpm

Reproducer:

remove the option "HTTPProtocolOptions unsafe" in /etc/httpd/conf.d/ssl.conf

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-2017:2039