1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
# Copyright (C) 2011 SPARTA, Inc. dba Cobham Analytic Solutions
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND SPARTA DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL SPARTA BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
__version__ = '$Id$'
default_logfile = '/var/rcynic/data/summary.xml'
default_root = '/var/rcynic/data'
import time
import vobject
import logging
from django.db import transaction
import django.db.models
import rpki
import rpki.gui.app.timestamp
from rpki.gui.cacheview import models
from rpki.rcynic import rcynic_xml_iterator, label_iterator
from rpki.sundial import datetime
logger = logging.getLogger(__name__)
class rcynic_object(object):
def __call__(self, vs):
"""Do initial processing on a rcynic_object instance."""
logger.debug('processing %s at %s' % (vs.file_class.__name__, vs.uri))
# rcynic will generation <validation_status/> elements for objects
# listed in the manifest but not found on disk
if os.path.exists(vs.filename):
q = self.model_class.objects.filter(uri=vs.uri)
if not q:
logger.debug('creating new db instance')
inst = self.model_class(uri=vs.uri)
else:
inst = q[0]
# determine if the object is changed/new
mtime = os.stat(vs.filename)[8]
if mtime != inst.mtime:
inst.mtime = mtime
try:
obj = vs.obj # causes object to be lazily loaded
except rpki.POW._der.DerError, e:
logger.warning('Caught %s while processing %s: %s' % (type(e), vs.filename, e))
return True
inst.not_before = obj.notBefore.to_sql()
inst.not_after = obj.notAfter.to_sql()
logger.debug('name=%s ski=%s' % (obj.subject, obj.ski))
inst.name = obj.subject
inst.keyid = obj.ski
# look up signing cert
if obj.issuer == obj.subject:
# self-signed cert (TA)
inst.cert = inst
else:
q = models.Cert.objects.filter(keyid=obj.aki, name=obj.issuer)
if q:
inst.issuer = q[0]
else:
logger.warning('unable to find signing cert with ski=%s (%s)' % (obj.aki, obj.issuer))
return None
self.callback(obj, inst)
else:
logger.debug('object is unchanged')
# save required to create new ValidationStatus object refering to
# it
inst.save()
inst.statuses.create(generation=models.generations_dict[vs.generation] if vs.generation else None,
timestamp=datetime.fromXMLtime(vs.timestamp).to_sql(),
status=models.ValidationLabel.objects.get(label=vs.status))
return inst
else:
logger.warning('file is missing: %s' % vs.filename)
return True
class rcynic_cert(rcynic_object):
model_class = models.Cert
def callback(self, cert, obj):
"""
Process a RPKI resource certificate.
"""
obj.sia = cert.sia_directory_uri
obj.save()
# resources can change when a cert is updated
obj.asns.clear()
obj.addresses.clear()
for asr in cert.resources.asn:
logger.debug('processing %s' % asr)
attrs = {'min': asr.min, 'max': asr.max}
q = models.ASRange.objects.filter(**attrs)
if not q:
obj.asns.create(**attrs)
else:
obj.asns.add(q[0])
for cls, addr_obj, addrset in (models.AddressRange, obj.addresses, cert.resources.v4), (models.AddressRangeV6, obj.addresses_v6, cert.resources.v6):
for rng in addrset:
logger.debug('processing %s' % rng)
attrs = {'prefix_min': rng.min, 'prefix_max': rng.max}
q = cls.objects.filter(**attrs)
if not q:
addr_obj.create(**attrs)
else:
addr_obj.add(q[0])
logger.debug('finished processing rescert at %s' % cert.uri)
class rcynic_roa(rcynic_object):
model_class = models.ROA
def callback(self, roa, obj):
obj.asid = roa.asID
obj.save()
obj.prefixes.clear()
obj.prefixes_v6.clear()
for pfxset in roa.prefix_sets:
if pfxset.__class__.__name__ == 'roa_prefix_set_ipv6':
roa_cls = models.ROAPrefixV6
prefix_obj = obj.prefixes_v6
else:
roa_cls = models.ROAPrefixV4
prefix_obj = obj.prefixes
for pfx in pfxset:
attrs = {'prefix_min': pfx.min(),
'prefix_max': pfx.max(),
'max_length': pfx.max_prefixlen}
q = roa_cls.objects.filter(**attrs)
if not q:
prefix_obj.create(**attrs)
else:
prefix_obj.add(q[0])
class rcynic_gbr(rcynic_object):
model_class = models.Ghostbuster
def callback(self, gbr, obj):
vcard = vobject.readOne(gbr.vcard)
logger.debug(vcard.prettyPrint())
obj.full_name = vcard.fn.value if hasattr(vcard, 'fn') else None
obj.email_address = vcard.email.value if hasattr(vcard, 'email') else None
obj.telephone = vcard.tel.value if hasattr(vcard, 'tel') else None
obj.organization = vcard.org.value[0] if hasattr(vcard, 'org') else None
def process_cache(root, xml_file):
start = time.time()
dispatch = {
'rcynic_certificate': rcynic_cert(),
'rcynic_roa': rcynic_roa(),
'rcynic_ghostbuster': rcynic_gbr()
}
# remove all existing ValidationStatus_* entries
logger.info('removing existing validation status')
models.ValidationStatus_Cert.objects.all().delete()
models.ValidationStatus_ROA.objects.all().delete()
models.ValidationStatus_Ghostbuster.objects.all().delete()
logger.info('updating validation status')
elts = rcynic_xml_iterator(root, xml_file)
for vs in elts:
with transaction.commit_on_success():
dispatch[vs.file_class.__name__](vs)
# garbage collection
# remove all objects which have no ValidationStatus references, which
# means they did not appear in the last XML output
logger.info('performing garbage collection')
# trying to .delete() the querysets directly results in a "too many sql
# variables" exception
for qs in (models.Cert.objects.annotate(num_statuses=django.db.models.Count('statuses')).filter(num_statuses=0),
models.Ghostbuster.objects.annotate(num_statuses=django.db.models.Count('statuses')).filter(num_statuses=0),
models.ROA.objects.annotate(num_statuses=django.db.models.Count('statuses')).filter(num_statuses=0)):
for e in qs:
e.delete()
stop = time.time()
logger.info('elapsed time %d seconds.' % (stop - start))
@transaction.commit_on_success
def process_labels(xml_file):
logger.info('updating labels...')
for label, kind, desc in label_iterator(xml_file):
logger.debug('label=%s kind=%s desc=%s' % (label, kind, desc))
if kind:
q = models.ValidationLabel.objects.filter(label=label)
if not q:
obj = models.ValidationLabel(label=label)
else:
obj = q[0]
obj.kind = models.kinds_dict[kind]
obj.status = desc
obj.save()
if __name__ == '__main__':
import optparse
parser = optparse.OptionParser()
parser.add_option("-l", "--level", dest="log_level", default='INFO',
help="specify the logging level [default: %default]")
parser.add_option("-f", "--file", dest="logfile",
help="specify the rcynic XML file to parse [default: %default]",
default=default_logfile)
parser.add_option("-r", "--root",
help="specify the chroot directory for the rcynic jail [default: %default]",
metavar="DIR", default=default_root)
options, args = parser.parse_args(sys.argv)
v = getattr(logging, options.log_level.upper())
logger.setLevel(v)
logging.basicConfig()
logger.info('log level set to %s' % logging.getLevelName(v))
process_labels(options.logfile)
process_cache(options.root, options.logfile)
rpki.gui.app.timestamp.update('rcynic_import')
logging.shutdown()
|
