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#!/usr/bin/python
# -*- mode: python; coding: utf-8 -*-
#
# Mandos Monitor - Control and monitor the Mandos server
#
# Copyright © 2008-2010 Teddy Hogeborn
# Copyright © 2008-2010 Björn Påhlsson
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Contact the authors at <mandos@fukt.bsnet.se>.
#
from __future__ import division
import sys
import dbus
from optparse import OptionParser
import locale
import datetime
import re
import os
locale.setlocale(locale.LC_ALL, u'')
tablewords = {
'Name': u'Name',
'Enabled': u'Enabled',
'Timeout': u'Timeout',
'LastCheckedOK': u'Last Successful Check',
'LastApprovalRequest': u'Last Approval Request',
'Created': u'Created',
'Interval': u'Interval',
'Host': u'Host',
'Fingerprint': u'Fingerprint',
'CheckerRunning': u'Check Is Running',
'LastEnabled': u'Last Enabled',
'ApprovalPending': u'Approval Is Pending',
'ApprovedByDefault': u'Approved By Default',
'ApprovalDelay': u"Approval Delay",
'ApprovalDuration': u"Approval Duration",
'Checker': u'Checker',
}
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
domain = 'se.bsnet.fukt'
busname = domain + '.Mandos'
server_path = '/'
server_interface = domain + '.Mandos'
client_interface = domain + '.Mandos.Client'
version = "1.0.14"
def timedelta_to_milliseconds(td):
"Convert a datetime.timedelta object to milliseconds"
return ((td.days * 24 * 60 * 60 * 1000)
+ (td.seconds * 1000)
+ (td.microseconds // 1000))
def milliseconds_to_string(ms):
td = datetime.timedelta(0, 0, 0, ms)
return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
% { "days": "%dT" % td.days if td.days else "",
"hours": td.seconds // 3600,
"minutes": (td.seconds % 3600) // 60,
"seconds": td.seconds % 60,
})
def string_to_delta(interval):
"""Parse a string and return a datetime.timedelta
>>> string_to_delta('7d')
datetime.timedelta(7)
>>> string_to_delta('60s')
datetime.timedelta(0, 60)
>>> string_to_delta('60m')
datetime.timedelta(0, 3600)
>>> string_to_delta('24h')
datetime.timedelta(1)
>>> string_to_delta(u'1w')
datetime.timedelta(7)
>>> string_to_delta('5m 30s')
datetime.timedelta(0, 330)
"""
timevalue = datetime.timedelta(0)
regexp = re.compile("\d+[dsmhw]")
for s in regexp.findall(interval):
try:
suffix = unicode(s[-1])
value = int(s[:-1])
if suffix == u"d":
delta = datetime.timedelta(value)
elif suffix == u"s":
delta = datetime.timedelta(0, value)
elif suffix == u"m":
delta = datetime.timedelta(0, 0, 0, 0, value)
elif suffix == u"h":
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
elif suffix == u"w":
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
else:
raise ValueError
except (ValueError, IndexError):
raise ValueError
timevalue += delta
return timevalue
def print_clients(clients, keywords):
def valuetostring(value, keyword):
if type(value) is dbus.Boolean:
return u"Yes" if value else u"No"
if keyword in (u"Timeout", u"Interval", u"ApprovalDelay",
u"ApprovalDuration"):
return milliseconds_to_string(value)
return unicode(value)
# Create format string to print table rows
format_string = u' '.join(u'%%-%ds' %
max(len(tablewords[key]),
max(len(valuetostring(client[key],
key))
for client in
clients))
for key in keywords)
# Print header line
print format_string % tuple(tablewords[key] for key in keywords)
for client in clients:
print format_string % tuple(valuetostring(client[key], key)
for key in keywords)
def has_actions(options):
return any((options.enable,
options.disable,
options.bump_timeout,
options.start_checker,
options.stop_checker,
options.is_enabled,
options.remove,
options.checker is not None,
options.timeout is not None,
options.interval is not None,
options.approved_by_default is not None,
options.approval_delay is not None,
options.approval_duration is not None,
options.host is not None,
options.secret is not None,
options.approve,
options.deny))
def main():
parser = OptionParser(version = "%%prog %s" % version)
parser.add_option("-a", "--all", action="store_true",
help="Select all clients")
parser.add_option("-v", "--verbose", action="store_true",
help="Print all fields")
parser.add_option("-e", "--enable", action="store_true",
help="Enable client")
parser.add_option("-d", "--disable", action="store_true",
help="disable client")
parser.add_option("-b", "--bump-timeout", action="store_true",
help="Bump timeout for client")
parser.add_option("--start-checker", action="store_true",
help="Start checker for client")
parser.add_option("--stop-checker", action="store_true",
help="Stop checker for client")
parser.add_option("-V", "--is-enabled", action="store_true",
help="Check if client is enabled")
parser.add_option("-r", "--remove", action="store_true",
help="Remove client")
parser.add_option("-c", "--checker", type="string",
help="Set checker command for client")
parser.add_option("-t", "--timeout", type="string",
help="Set timeout for client")
parser.add_option("-i", "--interval", type="string",
help="Set checker interval for client")
parser.add_option("--approve-by-default", action="store_true",
dest=u"approved_by_default",
help="Set client to be approved by default")
parser.add_option("--deny-by-default", action="store_false",
dest=u"approved_by_default",
help="Set client to be denied by default")
parser.add_option("--approval-delay", type="string",
help="Set delay before client approve/deny")
parser.add_option("--approval-duration", type="string",
help="Set duration of one client approval")
parser.add_option("-H", "--host", type="string",
help="Set host for client")
parser.add_option("-s", "--secret", type="string",
help="Set password blob (file) for client")
parser.add_option("-A", "--approve", action="store_true",
help="Approve any current client request")
parser.add_option("-D", "--deny", action="store_true",
help="Deny any current client request")
options, client_names = parser.parse_args()
if has_actions(options) and not client_names and not options.all:
parser.error('Options require clients names or --all.')
if options.verbose and has_actions(options):
parser.error('--verbose can only be used alone or with'
' --all.')
if options.all and not has_actions(options):
parser.error('--all requires an action.')
try:
bus = dbus.SystemBus()
mandos_dbus_objc = bus.get_object(busname, server_path)
except dbus.exceptions.DBusException:
print >> sys.stderr, "Could not connect to Mandos server"
sys.exit(1)
mandos_serv = dbus.Interface(mandos_dbus_objc,
dbus_interface = server_interface)
#block stderr since dbus library prints to stderr
null = os.open(os.path.devnull, os.O_RDWR)
stderrcopy = os.dup(sys.stderr.fileno())
os.dup2(null, sys.stderr.fileno())
os.close(null)
try:
try:
mandos_clients = mandos_serv.GetAllClientsWithProperties()
finally:
#restore stderr
os.dup2(stderrcopy, sys.stderr.fileno())
os.close(stderrcopy)
except dbus.exceptions.DBusException, e:
print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
sys.exit(1)
# Compile dict of (clients: properties) to process
clients={}
if options.all or not client_names:
clients = dict((bus.get_object(busname, path), properties)
for path, properties in
mandos_clients.iteritems())
else:
for name in client_names:
for path, client in mandos_clients.iteritems():
if client['Name'] == name:
client_objc = bus.get_object(busname, path)
clients[client_objc] = client
break
else:
print >> sys.stderr, "Client not found on server: %r" % name
sys.exit(1)
if not has_actions(options) and clients:
if options.verbose:
keywords = ('Name', 'Enabled', 'Timeout',
'LastCheckedOK', 'Created', 'Interval',
'Host', 'Fingerprint', 'CheckerRunning',
'LastEnabled', 'ApprovalPending',
'ApprovedByDefault',
'LastApprovalRequest', 'ApprovalDelay',
'ApprovalDuration', 'Checker')
else:
keywords = defaultkeywords
print_clients(clients.values(), keywords)
else:
# Process each client in the list by all selected options
for client in clients:
if options.remove:
mandos_serv.RemoveClient(client.__dbus_object_path__)
if options.enable:
client.Enable(dbus_interface=client_interface)
if options.disable:
client.Disable(dbus_interface=client_interface)
if options.bump_timeout:
client.CheckedOK(dbus_interface=client_interface)
if options.start_checker:
client.StartChecker(dbus_interface=client_interface)
if options.stop_checker:
client.StopChecker(dbus_interface=client_interface)
if options.is_enabled:
sys.exit(0 if client.Get(client_interface,
u"Enabled",
dbus_interface=dbus.PROPERTIES_IFACE)
else 1)
if options.checker:
client.Set(client_interface, u"Checker", options.checker,
dbus_interface=dbus.PROPERTIES_IFACE)
if options.host:
client.Set(client_interface, u"Host", options.host,
dbus_interface=dbus.PROPERTIES_IFACE)
if options.interval:
client.Set(client_interface, u"Interval",
timedelta_to_milliseconds
(string_to_delta(options.interval)),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.approval_delay:
client.Set(client_interface, u"ApprovalDelay",
timedelta_to_milliseconds
(string_to_delta(options.
approval_delay)),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.approval_duration:
client.Set(client_interface, u"ApprovalDuration",
timedelta_to_milliseconds
(string_to_delta(options.
approval_duration)),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.timeout:
client.Set(client_interface, u"Timeout",
timedelta_to_milliseconds
(string_to_delta(options.timeout)),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.secret:
client.Set(client_interface, u"Secret",
dbus.ByteArray(open(options.secret,
u'rb').read()),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.approved_by_default is not None:
client.Set(client_interface, u"ApprovedByDefault",
dbus.Boolean(options
.approved_by_default),
dbus_interface=dbus.PROPERTIES_IFACE)
if options.approve:
client.Approve(dbus.Boolean(True),
dbus_interface=client_interface)
elif options.deny:
client.Approve(dbus.Boolean(False),
dbus_interface=client_interface)
if __name__ == '__main__':
main()
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