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# Copyright 2022 Red Hat, Inc. Jake Hunsaker <[email protected]>
# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
from sos.cleaner.parsers import SoSCleanerParser
from sos.cleaner.mappings.ipv6_map import SoSIPv6Map
class SoSIPv6Parser(SoSCleanerParser):
"""Parser for handling IPv6 networks and addresses"""
name = 'IPv6 Parser'
map_file_key = 'ipv6_map'
regex_patterns = [
# Attention: note that this is a single long regex, not several entries
# This is initially based off of two regexes from the Java library
# for validating an IPv6 string. However, this is modified to begin and
# end with a negative lookbehind to ensure that a substring of 'ed::'
# is not extracted from a log message such as 'SomeFuncUsed::ADiffFunc'
# that come components may log with. Further, we optionally try to grab
# a trailing prefix for the network bits.
r"(?<![:\\.\\-a-z0-9])((([0-9a-f]{1,4})(:[0-9a-f]{1,4}){7})|"
r"(([0-9a-f]{1,4}(:[0-9a-f]{0,4}){0,5}))([^.])::(([0-9a-f]{1,4}"
r"(:[0-9a-f]{1,4}){0,5})?))(/\d{1,3})?(?![:\\a-z0-9])"
]
skip_files = [
'etc/dnsmasq.conf.*',
'.*modinfo.*',
]
compile_regexes = False
def __init__(self, config):
self.mapping = SoSIPv6Map()
super(SoSIPv6Parser, self).__init__(config)
def get_map_contents(self):
"""Structure the dataset contents properly so that they can be reloaded
on subsequent runs correctly.
"""
_d = {
'version': self.mapping.version,
'networks': {}
}
for net in self.mapping.networks:
_net = self.mapping.networks[net]
_d['networks'][_net.original_address] = {
'obfuscated': _net.obfuscated_address,
'hosts': {}
}
for host in _net.hosts:
_ob_host = _net.hosts[host]
_d['networks'][_net.original_address]['hosts'][host] = _ob_host
return _d
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