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Filter unprintable ASCII during enumeration

When enumerating DCIM_ControllerView, the DriverVersion field may have
unprintable ASCII characters in it if the server has a BOSS card. In
the past, it was observed that this field could contain unprintable
non-ASCII characters, but unprintable ASCII characters have been
found in it as well.

This fix changes the filtering so that only printable ASCII
characters and the tab character pass the filter.

Closes-Bug: 1816194
Change-Id: If7274fed19fb763aa7c2e4adc3676a4e3c26aee0
changes/61/637061/3
Christopher Dearborn 2 years ago
parent
commit
95440920fd
1 changed files with 5 additions and 2 deletions
  1. +5
    -2
      dracclient/wsman.py

+ 5
- 2
dracclient/wsman.py View File

@ -163,8 +163,11 @@ class Client(object):
resp_xml = ElementTree.fromstring(resp.content)
except ElementTree.XMLSyntaxError:
LOG.warning('Received invalid content from iDRAC. Filtering out '
'non-ASCII characters: ' + repr(resp.content))
resp_xml = ElementTree.fromstring(re.sub(six.b('[^\x00-\x7f]'),
'unprintable characters: ' + repr(resp.content))
# Filter out everything except for printable ASCII characters and
# tab
resp_xml = ElementTree.fromstring(re.sub(six.b('[^\x20-\x7e\t]'),
six.b(''),
resp.content))


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