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Diffstat (limited to 'bin/python/isc/eventlist.py.in')
| -rw-r--r-- | bin/python/isc/eventlist.py.in | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/bin/python/isc/eventlist.py.in b/bin/python/isc/eventlist.py.in new file mode 100644 index 0000000..5c1b31a --- /dev/null +++ b/bin/python/isc/eventlist.py.in @@ -0,0 +1,166 @@ +############################################################################ +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. +############################################################################ + +from collections import defaultdict +from .dnskey import * +from .keydict import * +from .keyevent import * + + +class eventlist: + _K = defaultdict(lambda: defaultdict(list)) + _Z = defaultdict(lambda: defaultdict(list)) + _zones = set() + _kdict = None + + def __init__(self, kdict): + properties = ["SyncPublish", "Publish", "SyncDelete", + "Activate", "Inactive", "Delete"] + self._kdict = kdict + for zone in kdict.zones(): + self._zones.add(zone) + for alg, keys in kdict[zone].items(): + for k in keys.values(): + for prop in properties: + t = k.gettime(prop) + if not t: + continue + e = keyevent(prop, k, t) + if k.sep: + self._K[zone][alg].append(e) + else: + self._Z[zone][alg].append(e) + + self._K[zone][alg] = sorted(self._K[zone][alg], + key=lambda event: event.when) + self._Z[zone][alg] = sorted(self._Z[zone][alg], + key=lambda event: event.when) + + # scan events per zone, algorithm, and key type, in order of + # occurrance, noting inconsistent states when found + def coverage(self, zone, keytype, until, output = None): + def noop(*args, **kwargs): pass + if not output: + output = noop + + no_zsk = True if (keytype and keytype == "KSK") else False + no_ksk = True if (keytype and keytype == "ZSK") else False + kok = zok = True + found = False + + if zone and not zone in self._zones: + output("ERROR: No key events found for %s" % zone) + return False + + if zone: + found = True + if not no_ksk: + kok = self.checkzone(zone, "KSK", until, output) + if not no_zsk: + zok = self.checkzone(zone, "ZSK", until, output) + else: + for z in self._zones: + if not no_ksk and z in self._K.keys(): + found = True + kok = self.checkzone(z, "KSK", until, output) + if not no_zsk and z in self._Z.keys(): + found = True + kok = self.checkzone(z, "ZSK", until, output) + + if not found: + output("ERROR: No key events found") + return False + + return (kok and zok) + + def checkzone(self, zone, keytype, until, output): + allok = True + if keytype == "KSK": + kz = self._K[zone] + else: + kz = self._Z[zone] + + for alg in kz.keys(): + output("Checking scheduled %s events for zone %s, " + "algorithm %s..." % + (keytype, zone, dnskey.algstr(alg))) + ok = eventlist.checkset(kz[alg], keytype, until, output) + if ok: + output("No errors found") + allok = allok and ok + + return allok + + @staticmethod + def showset(eventset, output): + if not eventset: + return + output(" " + eventset[0].showtime() + ":", skip=False) + for event in eventset: + output(" %s: %s" % (event.what, repr(event.key)), skip=False) + + @staticmethod + def checkset(eventset, keytype, until, output): + groups = list() + group = list() + + # collect up all events that have the same time + eventsfound = False + for event in eventset: + # we found an event + eventsfound = True + + # add event to current group + if (not group or group[0].when == event.when): + group.append(event) + + # if we're at the end of the list, we're done. if + # we've found an event with a later time, start a new group + if (group[0].when != event.when): + groups.append(group) + group = list() + group.append(event) + + if group: + groups.append(group) + + if not eventsfound: + output("ERROR: No %s events found" % keytype) + return False + + active = published = None + for group in groups: + if (until and calendar.timegm(group[0].when) > until): + output("Ignoring events after %s" % + time.strftime("%a %b %d %H:%M:%S UTC %Y", + time.gmtime(until))) + return True + + for event in group: + (active, published) = event.status(active, published) + + eventlist.showset(group, output) + + # and then check for inconsistencies: + if not active: + output("ERROR: No %s's are active after this event" % keytype) + return False + elif not published: + output("ERROR: No %s's are published after this event" + % keytype) + return False + elif not published.intersection(active): + output("ERROR: No %s's are both active and published " + "after this event" % keytype) + return False + + return True + |