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- Committer: Teddy Hogeborn
- Date: 2015-05-23 12:07:07 UTC
- Revision ID: teddy@recompile.se-20150523120707-t5fq0brh2kxkvw8g
mandos: Some more minor changes to prepare for Python 3.
- 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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5
#
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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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8
#
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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
21
# <http://www.gnu.org/licenses/>.
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#
22
23
# Contact the authors at <mandos@recompile.se>.
23
24
#
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
33
38
import re
34
39
import os
40
import collections
41
import doctest
42
43
import dbus
44
45
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
"ExtendedTimeout" : "Extended Timeout"
56
}
67
"ExtendedTimeout": "Extended Timeout"
68
}
57
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
70
domain = "se.recompile"
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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 = "1.3.1"
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version = "1.6.9"
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76
65
def timedelta_to_milliseconds(td):
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"""Convert a datetime.timedelta object to milliseconds"""
67
return ((td.days * 24 * 60 * 60 * 1000)
68
+ (td.seconds * 1000)
69
+ (td.microseconds // 1000))
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77
71
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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,
78
})
80
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
81
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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90
>>> 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)
104
"""
105
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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
110
# built-in library for parsing we would use it, but we'd like to
111
# 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
116
# "value" is not None,
117
# must have a "group"
118
# containing digits
119
"value", # datetime.timedelta or
120
# 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),
128
frozenset((token_end, )))
129
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,
137
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, )))
151
token_duration = Token(re.compile(r"P"), None,
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frozenset((token_year, token_month,
153
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:
166
# Token found
167
if token.value is not None:
168
# Value found, parse digits
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factor = int(match.group(1), 10)
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# Add to value so far
171
value += factor * token.value
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# 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
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else:
180
# No currently valid tokens were found
181
raise ValueError("Invalid RFC 3339 duration")
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# End token found
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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
"""
96
timevalue = datetime.timedelta(0)
97
regexp = re.compile("\d+[dsmhw]")
98
99
for s in regexp.findall(interval):
100
try:
101
suffix = unicode(s[-1])
102
value = int(s[:-1])
103
if suffix == "d":
104
delta = datetime.timedelta(value)
105
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):
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raise ValueError
117
timevalue += delta
118
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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230
return "Yes" if value else "No"
124
231
if keyword in ("Timeout", "Interval", "ApprovalDelay",
125
"ApprovalDuration"):
232
"ApprovalDuration", "ExtendedTimeout"):
126
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return milliseconds_to_string(value)
127
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" %
131
max(len(tablewords[key]),
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max(len(valuetostring(client[key],
133
key))
134
for client in
135
clients))
237
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:
140
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)
248
for key in keywords }))
249
142
250
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def has_actions(options):
144
252
return any((options.enable,
160
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options.approve,
161
269
options.deny))
162
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271
163
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def main():
164
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parser = argparse.ArgumentParser()
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parser.add_argument("--version", action="version",
166
version = "%%prog %s" % version,
275
version = "%(prog)s {}".format(version),
167
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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")
202
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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,
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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")
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parser.add_argument("--check", action="store_true",
322
help="Run self-test")
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parser.add_argument("client", nargs="*", help="Client name")
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options = parser.parse_args()
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if has_actions(options) and not options.client and not options.all:
326
if has_actions(options) and not (options.client or options.all):
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parser.error("Options require clients names or --all.")
216
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if options.verbose and has_actions(options):
217
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parser.error("--verbose can only be used alone or with"
218
330
" --all.")
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if options.all and not has_actions(options):
220
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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)
221
337
222
338
try:
223
339
bus = dbus.SystemBus()
224
340
mandos_dbus_objc = bus.get_object(busname, server_path)
225
341
except dbus.exceptions.DBusException:
226
print("Could not connect to Mandos server",
227
file=sys.stderr)
342
print("Could not connect to Mandos server", file=sys.stderr)
228
343
sys.exit(1)
229
344
230
345
mandos_serv = dbus.Interface(mandos_dbus_objc,
242
357
#restore stderr
243
358
os.dup2(stderrcopy, sys.stderr.fileno())
244
359
os.close(stderrcopy)
245
except dbus.exceptions.DBusException, e:
360
except dbus.exceptions.DBusException:
246
361
print("Access denied: Accessing mandos server through dbus.",
247
362
file=sys.stderr)
248
363
sys.exit(1)
251
366
clients={}
252
367
253
368
if options.all or not options.client:
254
clients = dict((bus.get_object(busname, path), properties)
255
for path, properties in
256
mandos_clients.iteritems())
369
clients = { bus.get_object(busname, path): properties
370
for path, properties in mandos_clients.items() }
257
371
else:
258
372
for name in options.client:
259
for path, client in mandos_clients.iteritems():
373
for path, client in mandos_clients.items():
260
374
if client["Name"] == name:
261
375
client_objc = bus.get_object(busname, path)
262
376
clients[client_objc] = client
263
377
break
264
378
else:
265
print("Client not found on server: %r" % name,
266
file=sys.stderr)
379
print("Client not found on server: {!r}"
380
.format(name), file=sys.stderr)
267
381
sys.exit(1)
268
382
269
383
if not has_actions(options) and clients:
270
384
if options.verbose:
271
keywords = ("Name", "Enabled", "Timeout",
272
"LastCheckedOK", "Created", "Interval",
273
"Host", "Fingerprint", "CheckerRunning",
274
"LastEnabled", "ApprovalPending",
275
"ApprovedByDefault",
385
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
386
"Created", "Interval", "Host", "Fingerprint",
387
"CheckerRunning", "LastEnabled",
388
"ApprovalPending", "ApprovedByDefault",
276
389
"LastApprovalRequest", "ApprovalDelay",
277
390
"ApprovalDuration", "Checker",
278
391
"ExtendedTimeout")
283
396
else:
284
397
# Process each client in the list by all selected options
285
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
286
412
if options.remove:
287
413
mandos_serv.RemoveClient(client.__dbus_object_path__)
288
414
if options.enable:
289
client.Enable(dbus_interface=client_interface)
415
set_client_prop("Enabled", dbus.Boolean(True))
290
416
if options.disable:
291
client.Disable(dbus_interface=client_interface)
417
set_client_prop("Enabled", dbus.Boolean(False))
292
418
if options.bump_timeout:
293
client.CheckedOK(dbus_interface=client_interface)
419
set_client_prop("LastCheckedOK", "")
294
420
if options.start_checker:
295
client.StartChecker(dbus_interface=client_interface)
421
set_client_prop("CheckerRunning", dbus.Boolean(True))
296
422
if options.stop_checker:
297
client.StopChecker(dbus_interface=client_interface)
423
set_client_prop("CheckerRunning", dbus.Boolean(False))
298
424
if options.is_enabled:
299
425
sys.exit(0 if client.Get(client_interface,
300
426
"Enabled",
301
427
dbus_interface=
302
428
dbus.PROPERTIES_IFACE)
303
429
else 1)
304
if options.checker:
305
client.Set(client_interface, "Checker",
306
options.checker,
307
dbus_interface=dbus.PROPERTIES_IFACE)
308
if options.host:
309
client.Set(client_interface, "Host", options.host,
310
dbus_interface=dbus.PROPERTIES_IFACE)
311
if options.interval:
312
client.Set(client_interface, "Interval",
313
timedelta_to_milliseconds
314
(string_to_delta(options.interval)),
315
dbus_interface=dbus.PROPERTIES_IFACE)
316
if options.approval_delay:
317
client.Set(client_interface, "ApprovalDelay",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
320
approval_delay)),
321
dbus_interface=dbus.PROPERTIES_IFACE)
322
if options.approval_duration:
323
client.Set(client_interface, "ApprovalDuration",
324
timedelta_to_milliseconds
325
(string_to_delta(options.
326
approval_duration)),
327
dbus_interface=dbus.PROPERTIES_IFACE)
328
if options.timeout:
329
client.Set(client_interface, "Timeout",
330
timedelta_to_milliseconds
331
(string_to_delta(options.timeout)),
332
dbus_interface=dbus.PROPERTIES_IFACE)
333
if options.extended_timeout:
334
client.Set(client_interface, "ExtendedTimeout",
335
timedelta_to_milliseconds
336
(string_to_delta(options.extended_timeout)),
337
dbus_interface=dbus.PROPERTIES_IFACE)
338
if options.secret:
339
client.Set(client_interface, "Secret",
340
dbus.ByteArray(open(options.secret,
341
"rb").read()),
342
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()))
343
450
if options.approved_by_default is not None:
344
client.Set(client_interface, "ApprovedByDefault",
345
dbus.Boolean(options
346
.approved_by_default),
347
dbus_interface=dbus.PROPERTIES_IFACE)
451
set_client_prop("ApprovedByDefault",
452
dbus.Boolean(options
453
.approved_by_default))
348
454
if options.approve:
349
455
client.Approve(dbus.Boolean(True),
350
456
dbus_interface=client_interface)
352
458
client.Approve(dbus.Boolean(False),
353
459
dbus_interface=client_interface)
354
460
461
355
462
if __name__ == "__main__":
356
463
main()
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