From 2bf19d31289bc64dfcd794f4983e637bf9352d8c Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Tue, 10 Dec 2019 11:44:14 -0500
Subject: [PATCH] Fix modification of input headers.

When given custom headers, webclient was persistently leaving
the Content-Length modified.  Fix by making a private
copy before potentially modifying it.

Change-Id: I2de5268ffc35a725e7b9d360214eab498d2ac788
---
 pyghmi/util/webclient.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pyghmi/util/webclient.py b/pyghmi/util/webclient.py
index d0122595..5b8a8bea 100644
--- a/pyghmi/util/webclient.py
+++ b/pyghmi/util/webclient.py
@@ -292,6 +292,8 @@ class SecureHTTPConnection(httplib.HTTPConnection, object):
     def request(self, method, url, body=None, headers=None, referer=None):
         if headers is None:
             headers = self.stdheaders.copy()
+        else:
+            headers = headers.copy()
         if method == 'GET' and 'Content-Type' in headers:
             del headers['Content-Type']
         if method == 'POST' and body and 'Content-Type' not in headers: