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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 = {
u"Name": u"Name",
u"Enabled": u"Enabled",
u"Timeout": u"Timeout",
u"LastCheckedOK": u"Last Successful Check",
u"LastApprovalRequest": u"Last Approval Request",
u"Created": u"Created",
u"Interval": u"Interval",
u"Host": u"Host",
u"Fingerprint": u"Fingerprint",
u"CheckerRunning": u"Check Is Running",
u"LastEnabled": u"Last Enabled",
u"ApprovalPending": u"Approval Is Pending",
u"ApprovedByDefault": u"Approved By Default",
u"ApprovalDelay": u"Approval Delay",
u"ApprovalDuration": u"Approval Duration",
u"Checker": u"Checker",
}
defaultkeywords = (u"Name", u"Enabled", u"Timeout", u"LastCheckedOK")
domain = u"se.bsnet.fukt"
busname = domain + u".Mandos"
server_path = u"/"
server_interface = domain + u".Mandos"
client_interface = domain + u".Mandos.Client"
version = u"1.2.3"
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"
% { u"days": u"%dT" % td.days if td.days else u"",
u"hours": td.seconds // 3600,
u"minutes": (td.seconds % 3600) // 60,
u"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(u"\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 = u"%%prog %s" % version)
parser.add_option(u"-a", u"--all", action=u"store_true",
help=u"Select all clients")
parser.add_option(u"-v", u"--verbose", action=u"store_true",
help=u"Print all fields")
parser.add_option(u"-e", u"--enable", action=u"store_true",
help=u"Enable client")
parser.add_option(u"-d", u"--disable", action=u"store_true",
help=u"disable client")
parser.add_option(u"-b", u"--bump-timeout", action=u"store_true",
help=u"Bump timeout for client")
parser.add_option(u"--start-checker", action=u"store_true",
help=u"Start checker for client")
parser.add_option(u"--stop-checker", action=u"store_true",
help=u"Stop checker for client")
parser.add_option(u"-V", u"--is-enabled", action=u"store_true",
help=u"Check if client is enabled")
parser.add_option(u"-r", u"--remove", action=u"store_true",
help=u"Remove client")
parser.add_option(u"-c", u"--checker", type=u"string",
help=u"Set checker command for client")
parser.add_option(u"-t", u"--timeout", type=u"string",
help=u"Set timeout for client")
parser.add_option(u"-i", u"--interval", type=u"string",
help=u"Set checker interval for client")
parser.add_option(u"--approve-by-default", action=u"store_true",
dest=u"approved_by_default",
help=u"Set client to be approved by default")
parser.add_option(u"--deny-by-default", action=u"store_false",
dest=u"approved_by_default",
help=u"Set client to be denied by default")
parser.add_option(u"--approval-delay", type=u"string",
help=u"Set delay before client approve/deny")
parser.add_option(u"--approval-duration", type=u"string",
help=u"Set duration of one client approval")
parser.add_option(u"-H", u"--host", type=u"string",
help=u"Set host for client")
parser.add_option(u"-s", u"--secret", type=u"string",
help=u"Set password blob (file) for client")
parser.add_option(u"-A", u"--approve", action=u"store_true",
help=u"Approve any current client request")
parser.add_option(u"-D", u"--deny", action=u"store_true",
help=u"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(u"Options require clients names or --all.")
if options.verbose and has_actions(options):
parser.error(u"--verbose can only be used alone or with"
u" --all.")
if options.all and not has_actions(options):
parser.error(u"--all requires an action.")
try:
bus = dbus.SystemBus()
mandos_dbus_objc = bus.get_object(busname, server_path)
except dbus.exceptions.DBusException:
print >> sys.stderr, u"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, u"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[u"Name"] == name:
client_objc = bus.get_object(busname, path)
clients[client_objc] = client
break
else:
print >> sys.stderr, u"Client not found on server: %r" % name
sys.exit(1)
if not has_actions(options) and clients:
if options.verbose:
keywords = (u"Name", u"Enabled", u"Timeout",
u"LastCheckedOK", u"Created", u"Interval",
u"Host", u"Fingerprint", u"CheckerRunning",
u"LastEnabled", u"ApprovalPending",
u"ApprovedByDefault",
u"LastApprovalRequest", u"ApprovalDelay",
u"ApprovalDuration", u"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__ == u"__main__":
main()
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