Update upstream source from tag '0.3.3'
Update to upstream version '0.3.3'
with Debian dir 1aaecd00f0
This commit is contained in:
commit
6f077e51bc
3 changed files with 136 additions and 108 deletions
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@ -1,8 +1,12 @@
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# change log
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## version 0.3.3 2023-08-04
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* fix starttls behaviour with Python 3.11
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## version 0.3.2 2021-03-07
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* remove brokebn CA certificate statistics
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* remove broken CA certificate statistics
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## version 0.3.1 2019-06-23
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197
check_xmppng
197
check_xmppng
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@ -33,7 +33,6 @@ import nagiosplugin
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__author__ = "Jan Dittberner"
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__version__ = "0.3.2"
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NS_IETF_XMPP_SASL = 'urn:ietf:params:xml:ns:xmpp-sasl'
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NS_IETF_XMPP_TLS = 'urn:ietf:params:xml:ns:xmpp-tls'
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NS_IETF_XMPP_STREAMS = 'urn:ietf:params:xml:ns:xmpp-streams'
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@ -55,10 +54,14 @@ class XmppException(Exception):
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Custom exception class.
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"""
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def __init__(self, message):
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self.message = message
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super(XmppException, self).__init__()
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def __str__(self):
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return self.message
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class XmppStreamError(object):
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"""
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@ -69,7 +72,7 @@ class XmppStreamError(object):
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text = None
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other_elements = {}
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def str(self):
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def __str__(self):
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if self.text:
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return "{condition}: {text}".format(
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condition=self.condition, text=self.text)
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@ -84,12 +87,13 @@ class XmppResponseHandler(ContentHandler):
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seen_elements = set()
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mechanisms = []
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starttls = False
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tlsrequired = False
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tls_required = False
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capabilities = {}
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state = XMPP_STATE_NEW
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streaminfo = None
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stream_info = None
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error_instance = None
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inelem = []
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in_elem = []
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level = 0
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def __init__(self, expect_starttls):
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@ -97,35 +101,35 @@ class XmppResponseHandler(ContentHandler):
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super(XmppResponseHandler, self).__init__()
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def startElementNS(self, name, qname, attrs):
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self.inelem.append(name)
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self.in_elem.append(name)
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self.seen_elements.add(name)
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if name == (NS_ETHERX_STREAMS, 'stream'):
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self.state = XMPP_STATE_STREAM_START
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self.streaminfo = dict([
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self.stream_info = dict([
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(qname, attrs.getValueByQName(qname)) for
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qname in attrs.getQNames()])
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elif name == (NS_IETF_XMPP_TLS, 'starttls'):
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self.starttls = True
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elif (
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self.inelem[-2] == (NS_IETF_XMPP_TLS, 'starttls') and
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self.in_elem[-2] == (NS_IETF_XMPP_TLS, 'starttls') and
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name == (NS_IETF_XMPP_TLS, 'required')
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):
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self.tlsrequired = True
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self.tls_required = True
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_LOG.info("info other side requires TLS")
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elif name == (NS_JABBER_CAPS, 'c'):
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for qname in attrs.getQNames():
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self.capabilities[qname] = attrs.getValueByQName(qname)
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elif name == (NS_ETHERX_STREAMS, 'error'):
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self.state = XMPP_STATE_ERROR
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self.errorinstance = XmppStreamError()
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self.error_instance = XmppStreamError()
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elif (
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self.state == XMPP_STATE_ERROR and
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name != (NS_IETF_XMPP_STREAMS, 'text')
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):
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if name[0] == NS_IETF_XMPP_STREAMS:
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self.errorinstance.condition = name[1]
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self.error_instance.condition = name[1]
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else:
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self.errorinstance.other_elements[name] = {'attrs': dict([
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self.error_instance.other_elements[name] = {'attrs': dict([
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(qname, attrs.getValueByQName(qname)) for
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qname in attrs.getQNames()
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])}
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@ -138,25 +142,25 @@ class XmppResponseHandler(ContentHandler):
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self.state = XMPP_STATE_FINISHED
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elif name == (NS_ETHERX_STREAMS, 'error'):
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raise XmppException("XMPP stream error: {error}".format(
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error=self.errorinstance))
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error=self.error_instance))
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elif name == (NS_IETF_XMPP_TLS, 'proceed'):
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self.state = XMPP_STATE_PROCEED_STARTTLS
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elif name == (NS_IETF_XMPP_TLS, 'failure'):
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raise XmppException("starttls initiation failed")
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_LOG.debug('end %s', name)
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del self.inelem[-1]
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del self.in_elem[-1]
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def characters(self, content):
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elem = self.inelem[-1]
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elem = self.in_elem[-1]
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if elem == (NS_IETF_XMPP_SASL, 'mechanism'):
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self.mechanisms.append(content)
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elif self.state == XMPP_STATE_ERROR:
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if elem == (NS_IETF_XMPP_STREAMS, 'text'):
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self.errorinstance.text = content
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self.error_instance.text = content
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else:
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self.errorinstance.other_elements[elem]['text'] = content
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self.error_instance.other_elements[elem]['text'] = content
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else:
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_LOG.warning('ignored content in %s: %s', self.inelem, content)
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_LOG.warning('ignored content in %s: %s', self.in_elem, content)
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def is_valid_start(self):
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if not self.state == XMPP_STATE_RECEIVED_FEATURES:
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@ -164,14 +168,43 @@ class XmppResponseHandler(ContentHandler):
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if self.expect_starttls is True and self.starttls is False:
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raise XmppException('expected STARTTLS capable service')
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if (
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'version' not in self.streaminfo or
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self.streaminfo['version'] != '1.0'
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'version' not in self.stream_info or
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self.stream_info['version'] != '1.0'
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):
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_LOG.warning(
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'unknown stream version %s', self.streaminfo['version'])
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'unknown stream version %s', self.stream_info['version'])
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return True
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def open_socket(addrinfo):
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"""
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Open a client socket based on information in the addrinfo list of
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tuples.
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"""
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new_socket = None
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for res in addrinfo:
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af, socktype, proto, canonname, sa = res
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try:
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new_socket = socket.socket(af, socktype, proto)
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except socket.error:
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new_socket = None
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continue
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try:
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new_socket.connect(sa)
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except socket.error:
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new_socket.close()
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new_socket = None
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continue
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break
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if new_socket is None:
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raise XmppException("could not open socket")
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return new_socket
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class Xmpp(nagiosplugin.Resource):
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"""
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Xmpp resource.
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@ -180,7 +213,9 @@ class Xmpp(nagiosplugin.Resource):
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state = nagiosplugin.Unknown
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cause = None
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socket = None
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daysleft = None
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days_left = None
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parser = None
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content_handler = None
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def __init__(
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self, host_address, port, ipv6, is_server, starttls,
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@ -192,8 +227,8 @@ class Xmpp(nagiosplugin.Resource):
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self.is_server = is_server
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self.starttls = starttls
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self.servername = servername
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self.checkcerts = checkcerts
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self.caroots = caroots
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self.check_certs = checkcerts
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self.ca_roots = caroots
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self.make_parser()
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self.set_content_handler()
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@ -210,50 +245,25 @@ class Xmpp(nagiosplugin.Resource):
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Set the XMPP SAX content handler.
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"""
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self.contenthandler = XmppResponseHandler(
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self.content_handler = XmppResponseHandler(
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expect_starttls=self.starttls)
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self.parser.setContentHandler(self.contenthandler)
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self.parser.setContentHandler(self.content_handler)
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def get_addrinfo(self):
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def get_addr_info(self):
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"""
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Perform the DNS lookup and return a list of potential socket address
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tuples as returned by :py:method:`socket.getaddrinfo`.
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"""
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if self.ipv6 is None:
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addrfamily = 0
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addr_family = 0
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elif self.ipv6 is True:
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addrfamily = socket.AF_INET6
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addr_family = socket.AF_INET6
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else:
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addrfamily = socket.AF_INET
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addr_family = socket.AF_INET
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return socket.getaddrinfo(
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self.address, self.port, addrfamily, socket.SOCK_STREAM,
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self.address, self.port, addr_family, socket.SOCK_STREAM,
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socket.IPPROTO_TCP)
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self.result = nagiosplugin.Critical
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def open_socket(self, addrinfo):
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"""
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Open a client socket based on information in the addrinfo list of
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tuples.
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"""
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for res in addrinfo:
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af, socktype, proto, canonname, sa = res
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try:
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s = socket.socket(af, socktype, proto)
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except socket.error:
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s = None
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continue
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try:
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s.connect(sa)
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except socket.error:
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s.close()
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s = None
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continue
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break
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if s is None:
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raise XmppException("could not open socket")
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return s
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def handle_xmpp_stanza(
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self, message_str, timeout=0.1, expected_state=None
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@ -283,37 +293,28 @@ class Xmpp(nagiosplugin.Resource):
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chunks.append(data)
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else:
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break
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xmltext = b''.join(chunks).decode('utf-8')
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_LOG.debug("read %s", xmltext)
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self.parser.feed(xmltext)
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xml_text = b''.join(chunks).decode('utf-8')
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_LOG.debug("read %s", xml_text)
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self.parser.feed(xml_text)
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if (
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expected_state is not None and
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self.contenthandler.state != expected_state
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self.content_handler.state != expected_state
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):
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raise XmppException(
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"unexpected state %s" % self.contenthandler.state)
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"unexpected state %s" % self.content_handler.state)
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def start_stream(self):
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"""
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Start a XMPP conversation with the server.
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"""
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if self.is_server:
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self.handle_xmpp_stanza((
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"<?xml version='1.0' ?><stream:stream to='{servername}' "
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"xmlns='jabber:server' "
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"xmlns:stream='http://etherx.jabber.org/streams' "
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"version='1.0'>"
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).format(servername=self.servername),
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expected_state=XMPP_STATE_RECEIVED_FEATURES)
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else:
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self.handle_xmpp_stanza((
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"<?xml version='1.0' ?><stream:stream to='{servername}' "
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"xmlns='jabber:client' "
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"xmlns:stream='http://etherx.jabber.org/streams' "
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"version='1.0'>"
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).format(servername=self.servername),
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expected_state=XMPP_STATE_RECEIVED_FEATURES)
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namespace = "jabber:server" if self.is_server else "jabber:client"
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self.handle_xmpp_stanza(
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f"<stream:stream xmlns:stream='{NS_ETHERX_STREAMS}' xmlns='{namespace}' to='{self.servername}'"
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f" version='1.0'>",
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expected_state=XMPP_STATE_RECEIVED_FEATURES
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)
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def setup_ssl_context(self):
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"""
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@ -321,17 +322,16 @@ class Xmpp(nagiosplugin.Resource):
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|||
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||||
"""
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context = ssl.create_default_context()
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context.options = ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3
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if not self.checkcerts:
|
||||
if not self.check_certs:
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context.check_hostname = False
|
||||
context.verify_mode = ssl.CERT_NONE
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else:
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context.verify_mode = ssl.CERT_REQUIRED
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if self.caroots:
|
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if os.path.isfile(self.caroots):
|
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kwargs = {'cafile': self.caroots}
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if self.ca_roots:
|
||||
if os.path.isfile(self.ca_roots):
|
||||
kwargs = {'cafile': self.ca_roots}
|
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else:
|
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kwargs = {'capath': self.caroots}
|
||||
kwargs = {'capath': self.ca_roots}
|
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context.load_verify_locations(**kwargs)
|
||||
else:
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context.load_default_certs()
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|
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@ -346,21 +346,22 @@ class Xmpp(nagiosplugin.Resource):
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|||
"""
|
||||
_LOG.debug("start initiate_tls()")
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self.handle_xmpp_stanza(
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||||
"<starttls xmlns='{xmlns}'/>".format(xmlns=NS_IETF_XMPP_TLS),
|
||||
f"<starttls xmlns='{NS_IETF_XMPP_TLS}'/>",
|
||||
timeout=0.5,
|
||||
expected_state=XMPP_STATE_PROCEED_STARTTLS)
|
||||
sslcontext = self.setup_ssl_context()
|
||||
try:
|
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self.socket = sslcontext.wrap_socket(
|
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self.socket, server_hostname=self.servername)
|
||||
_LOG.info("TLS socket setup successful")
|
||||
except ssl.SSLError as ssle:
|
||||
raise XmppException("SSL error %s" % ssle.strerror)
|
||||
except ssl.CertificateError as certerr:
|
||||
raise XmppException("Certificate error %s" % certerr)
|
||||
except ssl.CertificateError as certificate_error:
|
||||
raise XmppException("Certificate error %s" % certificate_error)
|
||||
except ssl.SSLError as ssl_error:
|
||||
raise XmppException("SSL error %s" % ssl_error.strerror)
|
||||
self.starttls = False
|
||||
# reset infos retrieved previously as written in RFC 3920 sec. 5.
|
||||
self.parser.reset()
|
||||
if self.checkcerts:
|
||||
if self.check_certs:
|
||||
certinfo = self.socket.getpeercert()
|
||||
_LOG.debug("got the following certificate info: %s", certinfo)
|
||||
_LOG.info(
|
||||
|
|
@ -368,12 +369,12 @@ class Xmpp(nagiosplugin.Resource):
|
|||
certinfo['notBefore'], certinfo['notAfter'])
|
||||
enddate = ssl.cert_time_to_seconds(certinfo['notAfter'])
|
||||
remaining = datetime.fromtimestamp(enddate) - datetime.now()
|
||||
self.daysleft = remaining.days
|
||||
self.days_left = remaining.days
|
||||
# start new parsing
|
||||
self.make_parser()
|
||||
self.set_content_handler()
|
||||
self.start_stream()
|
||||
if not self.contenthandler.is_valid_start():
|
||||
if not self.content_handler.is_valid_start():
|
||||
raise XmppException("no valid response to XMPP client request")
|
||||
_LOG.debug("end initiate_tls()")
|
||||
|
||||
|
|
@ -384,9 +385,9 @@ class Xmpp(nagiosplugin.Resource):
|
|||
"""
|
||||
_LOG.debug("start handle_xmpp()")
|
||||
self.start_stream()
|
||||
if not self.contenthandler.is_valid_start():
|
||||
if not self.content_handler.is_valid_start():
|
||||
raise XmppException("no valid response to XMPP client request")
|
||||
if self.starttls is True or self.contenthandler.tlsrequired:
|
||||
if self.starttls is True or self.content_handler.tls_required:
|
||||
self.initiate_tls()
|
||||
self.handle_xmpp_stanza("</stream:stream>")
|
||||
_LOG.debug("end handle_xmpp()")
|
||||
|
|
@ -400,8 +401,8 @@ class Xmpp(nagiosplugin.Resource):
|
|||
start = datetime.now()
|
||||
_LOG.debug("start probe() at %s", start)
|
||||
try:
|
||||
addrinfo = self.get_addrinfo()
|
||||
self.socket = self.open_socket(addrinfo)
|
||||
addrinfo = self.get_addr_info()
|
||||
self.socket = open_socket(addrinfo)
|
||||
try:
|
||||
self.handle_xmpp()
|
||||
finally:
|
||||
|
|
@ -422,7 +423,7 @@ class Xmpp(nagiosplugin.Resource):
|
|||
_LOG.debug("end probe() at %s", end)
|
||||
yield nagiosplugin.Metric(
|
||||
'time', (end - start).total_seconds(), 's', min=0)
|
||||
yield nagiosplugin.Metric('daysleft', self.daysleft, 'd')
|
||||
yield nagiosplugin.Metric('daysleft', self.days_left, 'd')
|
||||
|
||||
|
||||
class XmppContext(nagiosplugin.ScalarContext):
|
||||
|
|
@ -461,7 +462,7 @@ class DaysValidContext(nagiosplugin.Context):
|
|||
self.critdays = critdays
|
||||
|
||||
def evaluate(self, metric, resource):
|
||||
if resource.checkcerts and metric.value is not None:
|
||||
if resource.check_certs and metric.value is not None:
|
||||
if self.critical.match(metric.value):
|
||||
return nagiosplugin.Result(
|
||||
nagiosplugin.Critical,
|
||||
|
|
@ -477,7 +478,7 @@ class DaysValidContext(nagiosplugin.Context):
|
|||
return nagiosplugin.Result(nagiosplugin.Ok)
|
||||
|
||||
def performance(self, metric, resource):
|
||||
if resource.checkcerts and metric.value is not None:
|
||||
if resource.check_certs and metric.value is not None:
|
||||
return nagiosplugin.Performance('daysvalid', metric.value, '')
|
||||
return None
|
||||
|
||||
|
|
|
|||
|
|
@ -7,6 +7,29 @@ target: Messaging
|
|||
type: Plugin
|
||||
license: gplv3
|
||||
releases:
|
||||
- name: 0.3.3
|
||||
description: "fix CA certificate check"
|
||||
files:
|
||||
-
|
||||
name: check_xmppng
|
||||
url: "file:///check_xmppng"
|
||||
description: "Check command"
|
||||
checksum: fdf942cb5c778aaa395a0ed1eba6dcda
|
||||
-
|
||||
name: COPYING
|
||||
url: "file:///COPYING"
|
||||
description: "GPL 3.0 license text"
|
||||
checksum: d32239bcb673463ab874e80d47fae504
|
||||
-
|
||||
name: README.md
|
||||
url: "file:///README.md"
|
||||
description: "documentation"
|
||||
checksum: 701ad7a882406a1f552a118d471a0b45
|
||||
-
|
||||
name: changes.md
|
||||
url: "file:///changes.md"
|
||||
description: "change log"
|
||||
checksum: 0e23c919b413a4214c323b1953909c14
|
||||
- name: 0.3.2
|
||||
description: "fix CA certificate check"
|
||||
files:
|
||||
|
|
|
|||
Loading…
Reference in a new issue