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- Committer: Teddy Hogeborn
- Date: 2015-05-30 16:47:00 UTC
- Revision ID: teddy@recompile.se-20150530164700-77zrd7964gdhbk1f
mandos: Disable D-Bus if any DBusException is raised when connecting.
- files added:
- debian/mandos-client.examples
- debian/upstream
- network-hooks.d
- files modified:
- .bzrignore
added
removed
mandos-ctl
3
3
#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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# Copyright © 2008-2010 Teddy Hogeborn
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# Copyright © 2008-2010 Björn Påhlsson
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# Copyright © 2008-2015 Teddy Hogeborn
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# Copyright © 2008-2015 Björn Påhlsson
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@fukt.bsnet.se>.
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# Contact the authors at <mandos@recompile.se>.
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#
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25
26
from __future__ import (division, absolute_import, print_function,
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27
unicode_literals)
27
28
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
33
28
34
import sys
29
import dbus
30
35
import argparse
31
36
import locale
32
37
import datetime
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38
import re
34
39
import os
40
import collections
41
import doctest
42
43
import dbus
44
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if sys.version_info.major == 2:
46
str = unicode
35
47
36
48
locale.setlocale(locale.LC_ALL, "")
37
49
52
64
"ApprovalDelay": "Approval Delay",
53
65
"ApprovalDuration": "Approval Duration",
54
66
"Checker": "Checker",
55
}
67
"ExtendedTimeout": "Extended Timeout"
68
}
56
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
57
domain = "se.bsnet.fukt"
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domain = "se.recompile"
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71
busname = domain + ".Mandos"
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server_path = "/"
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server_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
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version = "1.3.0"
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version = "1.6.9"
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76
64
def timedelta_to_milliseconds(td):
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"""Convert a datetime.timedelta object to milliseconds"""
66
return ((td.days * 24 * 60 * 60 * 1000)
67
+ (td.seconds * 1000)
68
+ (td.microseconds // 1000))
69
77
70
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def milliseconds_to_string(ms):
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td = datetime.timedelta(0, 0, 0, ms)
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return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
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% { "days": "%dT" % td.days if td.days else "",
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"hours": td.seconds // 3600,
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"minutes": (td.seconds % 3600) // 60,
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"seconds": td.seconds % 60,
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})
80
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
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days = "{}T".format(td.days) if td.days else "",
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hours = td.seconds // 3600,
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minutes = (td.seconds % 3600) // 60,
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seconds = td.seconds % 60))
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86
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def rfc3339_duration_to_delta(duration):
88
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
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>>> rfc3339_duration_to_delta("P7D")
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datetime.timedelta(7)
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>>> rfc3339_duration_to_delta("PT60S")
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datetime.timedelta(0, 60)
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>>> rfc3339_duration_to_delta("PT60M")
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datetime.timedelta(0, 3600)
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>>> rfc3339_duration_to_delta("PT24H")
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datetime.timedelta(1)
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>>> rfc3339_duration_to_delta("P1W")
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datetime.timedelta(7)
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>>> rfc3339_duration_to_delta("PT5M30S")
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datetime.timedelta(0, 330)
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>>> rfc3339_duration_to_delta("P1DT3M20S")
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datetime.timedelta(1, 200)
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"""
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# Parsing an RFC 3339 duration with regular expressions is not
107
# possible - there would have to be multiple places for the same
108
# values, like seconds. The current code, while more esoteric, is
109
# cleaner without depending on a parsing library. If Python had a
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# built-in library for parsing we would use it, but we'd like to
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# avoid excessive use of external libraries.
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# New type for defining tokens, syntax, and semantics all-in-one
114
Token = collections.namedtuple("Token",
115
("regexp", # To match token; if
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# "value" is not None,
117
# must have a "group"
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# containing digits
119
"value", # datetime.timedelta or
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# None
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"followers")) # Tokens valid after
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# this token
123
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
# the "duration" ABNF definition in RFC 3339, Appendix A.
125
token_end = Token(re.compile(r"$"), None, frozenset())
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token_second = Token(re.compile(r"(\d+)S"),
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datetime.timedelta(seconds=1),
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frozenset((token_end, )))
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token_minute = Token(re.compile(r"(\d+)M"),
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datetime.timedelta(minutes=1),
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frozenset((token_second, token_end)))
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token_hour = Token(re.compile(r"(\d+)H"),
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datetime.timedelta(hours=1),
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frozenset((token_minute, token_end)))
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token_time = Token(re.compile(r"T"),
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None,
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frozenset((token_hour, token_minute,
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token_second)))
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token_day = Token(re.compile(r"(\d+)D"),
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datetime.timedelta(days=1),
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frozenset((token_time, token_end)))
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token_month = Token(re.compile(r"(\d+)M"),
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datetime.timedelta(weeks=4),
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frozenset((token_day, token_end)))
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token_year = Token(re.compile(r"(\d+)Y"),
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datetime.timedelta(weeks=52),
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frozenset((token_month, token_end)))
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token_week = Token(re.compile(r"(\d+)W"),
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datetime.timedelta(weeks=1),
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frozenset((token_end, )))
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token_duration = Token(re.compile(r"P"), None,
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frozenset((token_year, token_month,
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token_day, token_time,
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token_week)))
155
# Define starting values
156
value = datetime.timedelta() # Value so far
157
found_token = None
158
followers = frozenset((token_duration, )) # Following valid tokens
159
s = duration # String left to parse
160
# Loop until end token is found
161
while found_token is not token_end:
162
# Search for any currently valid tokens
163
for token in followers:
164
match = token.regexp.match(s)
165
if match is not None:
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# Token found
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if token.value is not None:
168
# Value found, parse digits
169
factor = int(match.group(1), 10)
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# Add to value so far
171
value += factor * token.value
172
# Strip token from string
173
s = token.regexp.sub("", s, 1)
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# Go to found token
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found_token = token
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# Set valid next tokens
177
followers = found_token.followers
178
break
179
else:
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# No currently valid tokens were found
181
raise ValueError("Invalid RFC 3339 duration")
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# End token found
183
return value
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def string_to_delta(interval):
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"""Parse a string and return a datetime.timedelta
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>>> string_to_delta("5m 30s")
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200
datetime.timedelta(0, 330)
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201
"""
95
timevalue = datetime.timedelta(0)
96
regexp = re.compile("\d+[dsmhw]")
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for s in regexp.findall(interval):
99
try:
100
suffix = unicode(s[-1])
101
value = int(s[:-1])
102
if suffix == "d":
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delta = datetime.timedelta(value)
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elif suffix == "s":
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delta = datetime.timedelta(0, value)
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elif suffix == "m":
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delta = datetime.timedelta(0, 0, 0, 0, value)
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elif suffix == "h":
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delta = datetime.timedelta(0, 0, 0, 0, 0, value)
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elif suffix == "w":
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delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
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else:
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raise ValueError
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except (ValueError, IndexError):
115
raise ValueError
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timevalue += delta
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return timevalue
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try:
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return rfc3339_duration_to_delta(interval)
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except ValueError:
206
pass
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value = datetime.timedelta(0)
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regexp = re.compile(r"(\d+)([dsmhw]?)")
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for num, suffix in regexp.findall(interval):
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if suffix == "d":
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value += datetime.timedelta(int(num))
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elif suffix == "s":
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value += datetime.timedelta(0, int(num))
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elif suffix == "m":
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value += datetime.timedelta(0, 0, 0, 0, int(num))
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elif suffix == "h":
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value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
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elif suffix == "w":
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value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
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elif suffix == "":
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value += datetime.timedelta(0, 0, 0, int(num))
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return value
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def print_clients(clients, keywords):
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def valuetostring(value, keyword):
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if type(value) is dbus.Boolean:
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return "Yes" if value else "No"
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231
if keyword in ("Timeout", "Interval", "ApprovalDelay",
124
"ApprovalDuration"):
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"ApprovalDuration", "ExtendedTimeout"):
125
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return milliseconds_to_string(value)
126
return unicode(value)
234
return str(value)
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# Create format string to print table rows
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format_string = " ".join("%%-%ds" %
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max(len(tablewords[key]),
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max(len(valuetostring(client[key],
132
key))
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for client in
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clients))
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format_string = " ".join("{{{key}:{width}}}".format(
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width = max(len(tablewords[key]),
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max(len(valuetostring(client[key], key))
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for client in clients)),
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key = key)
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for key in keywords)
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# Print header line
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print(format_string % tuple(tablewords[key] for key in keywords))
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print(format_string.format(**tablewords))
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for client in clients:
139
print(format_string % tuple(valuetostring(client[key], key)
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for key in keywords))
246
print(format_string.format(**{
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key: valuetostring(client[key], key)
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for key in keywords }))
249
141
250
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def has_actions(options):
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return any((options.enable,
149
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options.remove,
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options.checker is not None,
151
260
options.timeout is not None,
261
options.extended_timeout is not None,
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options.interval is not None,
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options.approved_by_default is not None,
154
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options.approval_delay is not None,
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options.approve,
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options.deny))
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def main():
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parser = argparse.ArgumentParser()
163
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parser.add_argument("--version", action="version",
164
version = "%%prog %s" % version,
275
version = "%(prog)s {}".format(version),
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help="show version number and exit")
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parser.add_argument("-a", "--all", action="store_true",
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help="Select all clients")
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help="Set checker command for client")
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parser.add_argument("-t", "--timeout",
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help="Set timeout for client")
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parser.add_argument("--extended-timeout",
300
help="Set extended timeout for client")
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parser.add_argument("-i", "--interval",
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help="Set checker interval for client")
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parser.add_argument("--approve-by-default", action="store_true",
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parser.add_argument("--approval-duration",
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help="Set duration of one client approval")
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parser.add_argument("-H", "--host", help="Set host for client")
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parser.add_argument("-s", "--secret", type=file,
314
parser.add_argument("-s", "--secret",
315
type=argparse.FileType(mode="rb"),
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help="Set password blob (file) for client")
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parser.add_argument("-A", "--approve", action="store_true",
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help="Approve any current client request")
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parser.add_argument("-D", "--deny", action="store_true",
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help="Deny any current client request")
321
parser.add_argument("--check", action="store_true",
322
help="Run self-test")
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parser.add_argument("client", nargs="*", help="Client name")
208
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options = parser.parse_args()
209
325
210
if has_actions(options) and not options.client and not options.all:
326
if has_actions(options) and not (options.client or options.all):
211
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parser.error("Options require clients names or --all.")
212
328
if options.verbose and has_actions(options):
213
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parser.error("--verbose can only be used alone or with"
214
330
" --all.")
215
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if options.all and not has_actions(options):
216
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parser.error("--all requires an action.")
333
334
if options.check:
335
fail_count, test_count = doctest.testmod()
336
sys.exit(os.EX_OK if fail_count == 0 else 1)
217
337
218
338
try:
219
339
bus = dbus.SystemBus()
220
340
mandos_dbus_objc = bus.get_object(busname, server_path)
221
341
except dbus.exceptions.DBusException:
222
print("Could not connect to Mandos server",
223
file=sys.stderr)
342
print("Could not connect to Mandos server", file=sys.stderr)
224
343
sys.exit(1)
225
344
226
345
mandos_serv = dbus.Interface(mandos_dbus_objc,
238
357
#restore stderr
239
358
os.dup2(stderrcopy, sys.stderr.fileno())
240
359
os.close(stderrcopy)
241
except dbus.exceptions.DBusException, e:
360
except dbus.exceptions.DBusException:
242
361
print("Access denied: Accessing mandos server through dbus.",
243
362
file=sys.stderr)
244
363
sys.exit(1)
247
366
clients={}
248
367
249
368
if options.all or not options.client:
250
clients = dict((bus.get_object(busname, path), properties)
251
for path, properties in
252
mandos_clients.iteritems())
369
clients = { bus.get_object(busname, path): properties
370
for path, properties in mandos_clients.items() }
253
371
else:
254
372
for name in options.client:
255
for path, client in mandos_clients.iteritems():
373
for path, client in mandos_clients.items():
256
374
if client["Name"] == name:
257
375
client_objc = bus.get_object(busname, path)
258
376
clients[client_objc] = client
259
377
break
260
378
else:
261
print("Client not found on server: %r" % name,
262
file=sys.stderr)
379
print("Client not found on server: {!r}"
380
.format(name), file=sys.stderr)
263
381
sys.exit(1)
264
382
265
383
if not has_actions(options) and clients:
266
384
if options.verbose:
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"Host", "Fingerprint", "CheckerRunning",
270
"LastEnabled", "ApprovalPending",
271
"ApprovedByDefault",
385
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
386
"Created", "Interval", "Host", "Fingerprint",
387
"CheckerRunning", "LastEnabled",
388
"ApprovalPending", "ApprovedByDefault",
272
389
"LastApprovalRequest", "ApprovalDelay",
273
"ApprovalDuration", "Checker")
390
"ApprovalDuration", "Checker",
391
"ExtendedTimeout")
274
392
else:
275
393
keywords = defaultkeywords
276
394
278
396
else:
279
397
# Process each client in the list by all selected options
280
398
for client in clients:
399
400
def set_client_prop(prop, value):
401
"""Set a Client D-Bus property"""
402
client.Set(client_interface, prop, value,
403
dbus_interface=dbus.PROPERTIES_IFACE)
404
405
def set_client_prop_ms(prop, value):
406
"""Set a Client D-Bus property, converted
407
from a string to milliseconds."""
408
set_client_prop(prop,
409
string_to_delta(value).total_seconds()
410
* 1000)
411
281
412
if options.remove:
282
413
mandos_serv.RemoveClient(client.__dbus_object_path__)
283
414
if options.enable:
284
client.Enable(dbus_interface=client_interface)
415
set_client_prop("Enabled", dbus.Boolean(True))
285
416
if options.disable:
286
client.Disable(dbus_interface=client_interface)
417
set_client_prop("Enabled", dbus.Boolean(False))
287
418
if options.bump_timeout:
288
client.CheckedOK(dbus_interface=client_interface)
419
set_client_prop("LastCheckedOK", "")
289
420
if options.start_checker:
290
client.StartChecker(dbus_interface=client_interface)
421
set_client_prop("CheckerRunning", dbus.Boolean(True))
291
422
if options.stop_checker:
292
client.StopChecker(dbus_interface=client_interface)
423
set_client_prop("CheckerRunning", dbus.Boolean(False))
293
424
if options.is_enabled:
294
425
sys.exit(0 if client.Get(client_interface,
295
426
"Enabled",
296
427
dbus_interface=
297
428
dbus.PROPERTIES_IFACE)
298
429
else 1)
299
if options.checker:
300
client.Set(client_interface, "Checker",
301
options.checker,
302
dbus_interface=dbus.PROPERTIES_IFACE)
303
if options.host:
304
client.Set(client_interface, "Host", options.host,
305
dbus_interface=dbus.PROPERTIES_IFACE)
306
if options.interval:
307
client.Set(client_interface, "Interval",
308
timedelta_to_milliseconds
309
(string_to_delta(options.interval)),
310
dbus_interface=dbus.PROPERTIES_IFACE)
311
if options.approval_delay:
312
client.Set(client_interface, "ApprovalDelay",
313
timedelta_to_milliseconds
314
(string_to_delta(options.
315
approval_delay)),
316
dbus_interface=dbus.PROPERTIES_IFACE)
317
if options.approval_duration:
318
client.Set(client_interface, "ApprovalDuration",
319
timedelta_to_milliseconds
320
(string_to_delta(options.
321
approval_duration)),
322
dbus_interface=dbus.PROPERTIES_IFACE)
323
if options.timeout:
324
client.Set(client_interface, "Timeout",
325
timedelta_to_milliseconds
326
(string_to_delta(options.timeout)),
327
dbus_interface=dbus.PROPERTIES_IFACE)
328
if options.secret:
329
client.Set(client_interface, "Secret",
330
dbus.ByteArray(open(options.secret,
331
"rb").read()),
332
dbus_interface=dbus.PROPERTIES_IFACE)
430
if options.checker is not None:
431
set_client_prop("Checker", options.checker)
432
if options.host is not None:
433
set_client_prop("Host", options.host)
434
if options.interval is not None:
435
set_client_prop_ms("Interval", options.interval)
436
if options.approval_delay is not None:
437
set_client_prop_ms("ApprovalDelay",
438
options.approval_delay)
439
if options.approval_duration is not None:
440
set_client_prop_ms("ApprovalDuration",
441
options.approval_duration)
442
if options.timeout is not None:
443
set_client_prop_ms("Timeout", options.timeout)
444
if options.extended_timeout is not None:
445
set_client_prop_ms("ExtendedTimeout",
446
options.extended_timeout)
447
if options.secret is not None:
448
set_client_prop("Secret",
449
dbus.ByteArray(options.secret.read()))
333
450
if options.approved_by_default is not None:
334
client.Set(client_interface, "ApprovedByDefault",
335
dbus.Boolean(options
336
.approved_by_default),
337
dbus_interface=dbus.PROPERTIES_IFACE)
451
set_client_prop("ApprovedByDefault",
452
dbus.Boolean(options
453
.approved_by_default))
338
454
if options.approve:
339
455
client.Approve(dbus.Boolean(True),
340
456
dbus_interface=client_interface)
342
458
client.Approve(dbus.Boolean(False),
343
459
dbus_interface=client_interface)
344
460
461
345
462
if __name__ == "__main__":
346
463
main()
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