52
64
"ApprovalDelay": "Approval Delay",
53
65
"ApprovalDuration": "Approval Duration",
54
66
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
67
"ExtendedTimeout": "Extended Timeout"
57
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
70
domain = "se.recompile"
59
71
busname = domain + ".Mandos"
61
73
server_interface = domain + ".Mandos"
62
74
client_interface = domain + ".Mandos.Client"
65
def timedelta_to_milliseconds(td):
66
"""Convert a datetime.timedelta object to milliseconds"""
67
return ((td.days * 24 * 60 * 60 * 1000)
69
+ (td.microseconds // 1000))
71
78
def milliseconds_to_string(ms):
72
79
td = datetime.timedelta(0, 0, 0, ms)
73
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
74
.format(days = "{0}T".format(td.days) if td.days else "",
75
hours = td.seconds // 3600,
76
minutes = (td.seconds % 3600) // 60,
77
seconds = td.seconds % 60,
80
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
81
days = "{}T".format(td.days) if td.days else "",
82
hours = td.seconds // 3600,
83
minutes = (td.seconds % 3600) // 60,
84
seconds = td.seconds % 60))
87
def rfc3339_duration_to_delta(duration):
88
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
90
>>> rfc3339_duration_to_delta("P7D")
92
>>> rfc3339_duration_to_delta("PT60S")
93
datetime.timedelta(0, 60)
94
>>> rfc3339_duration_to_delta("PT60M")
95
datetime.timedelta(0, 3600)
96
>>> rfc3339_duration_to_delta("PT24H")
98
>>> rfc3339_duration_to_delta("P1W")
100
>>> rfc3339_duration_to_delta("PT5M30S")
101
datetime.timedelta(0, 330)
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
datetime.timedelta(1, 200)
106
# 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.
113
# New type for defining tokens, syntax, and semantics all-in-one
114
Token = collections.namedtuple("Token", (
115
"regexp", # To match token; if "value" is not None, must have
116
# a "group" containing digits
117
"value", # datetime.timedelta or None
118
"followers")) # Tokens valid after this token
119
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
120
# the "duration" ABNF definition in RFC 3339, Appendix A.
121
token_end = Token(re.compile(r"$"), None, frozenset())
122
token_second = Token(re.compile(r"(\d+)S"),
123
datetime.timedelta(seconds=1),
124
frozenset((token_end, )))
125
token_minute = Token(re.compile(r"(\d+)M"),
126
datetime.timedelta(minutes=1),
127
frozenset((token_second, token_end)))
128
token_hour = Token(re.compile(r"(\d+)H"),
129
datetime.timedelta(hours=1),
130
frozenset((token_minute, token_end)))
131
token_time = Token(re.compile(r"T"),
133
frozenset((token_hour, token_minute,
135
token_day = Token(re.compile(r"(\d+)D"),
136
datetime.timedelta(days=1),
137
frozenset((token_time, token_end)))
138
token_month = Token(re.compile(r"(\d+)M"),
139
datetime.timedelta(weeks=4),
140
frozenset((token_day, token_end)))
141
token_year = Token(re.compile(r"(\d+)Y"),
142
datetime.timedelta(weeks=52),
143
frozenset((token_month, token_end)))
144
token_week = Token(re.compile(r"(\d+)W"),
145
datetime.timedelta(weeks=1),
146
frozenset((token_end, )))
147
token_duration = Token(re.compile(r"P"), None,
148
frozenset((token_year, token_month,
149
token_day, token_time,
151
# Define starting values
152
value = datetime.timedelta() # Value so far
154
followers = frozenset((token_duration, )) # Following valid tokens
155
s = duration # String left to parse
156
# Loop until end token is found
157
while found_token is not token_end:
158
# Search for any currently valid tokens
159
for token in followers:
160
match = token.regexp.match(s)
161
if match is not None:
163
if token.value is not None:
164
# Value found, parse digits
165
factor = int(match.group(1), 10)
166
# Add to value so far
167
value += factor * token.value
168
# Strip token from string
169
s = token.regexp.sub("", s, 1)
172
# Set valid next tokens
173
followers = found_token.followers
176
# No currently valid tokens were found
177
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
183
def string_to_delta(interval):
81
184
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
186
>>> string_to_delta('7d')
84
187
datetime.timedelta(7)
85
>>> string_to_delta("60s")
188
>>> string_to_delta('60s')
86
189
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
190
>>> string_to_delta('60m')
88
191
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
192
>>> string_to_delta('24h')
90
193
datetime.timedelta(1)
91
>>> string_to_delta("1w")
194
>>> string_to_delta('1w')
92
195
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
196
>>> string_to_delta('5m 30s')
94
197
datetime.timedelta(0, 330)
201
return rfc3339_duration_to_delta(interval)
96
205
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
206
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
208
for num, suffix in regexp.findall(interval):
100
209
if suffix == "d":
111
220
value += datetime.timedelta(0, 0, 0, int(num))
114
224
def print_clients(clients, keywords):
115
225
def valuetostring(value, keyword):
116
226
if type(value) is dbus.Boolean:
117
227
return "Yes" if value else "No"
118
228
if keyword in ("Timeout", "Interval", "ApprovalDelay",
229
"ApprovalDuration", "ExtendedTimeout"):
120
230
return milliseconds_to_string(value)
121
return unicode(value)
123
233
# Create format string to print table rows
124
234
format_string = " ".join("{{{key}:{width}}}".format(
125
width = max(len(tablewords[key]),
126
max(len(valuetostring(client[key],
130
key = key) for key in keywords)
235
width = max(len(tablewords[key]),
236
max(len(valuetostring(client[key], key))
237
for client in clients)),
131
240
# Print header line
132
241
print(format_string.format(**tablewords))
133
242
for client in clients:
134
print(format_string.format(**dict((key,
135
valuetostring(client[key],
137
for key in keywords)))
243
print(format_string.format(**{
244
key: valuetostring(client[key], key)
245
for key in keywords }))
139
248
def has_actions(options):
140
249
return any((options.enable,
198
308
parser.add_argument("--approval-duration",
199
309
help="Set duration of one client approval")
200
310
parser.add_argument("-H", "--host", help="Set host for client")
201
parser.add_argument("-s", "--secret", type=file,
311
parser.add_argument("-s", "--secret",
312
type=argparse.FileType(mode="rb"),
202
313
help="Set password blob (file) for client")
203
314
parser.add_argument("-A", "--approve", action="store_true",
204
315
help="Approve any current client request")
205
316
parser.add_argument("-D", "--deny", action="store_true",
206
317
help="Deny any current client request")
318
parser.add_argument("--check", action="store_true",
319
help="Run self-test")
207
320
parser.add_argument("client", nargs="*", help="Client name")
208
321
options = parser.parse_args()
210
if has_actions(options) and not options.client and not options.all:
323
if has_actions(options) and not (options.client or options.all):
211
324
parser.error("Options require clients names or --all.")
212
325
if options.verbose and has_actions(options):
213
326
parser.error("--verbose can only be used alone or with"
215
328
if options.all and not has_actions(options):
216
329
parser.error("--all requires an action.")
332
fail_count, test_count = doctest.testmod()
333
sys.exit(os.EX_OK if fail_count == 0 else 1)
219
336
bus = dbus.SystemBus()
220
337
mandos_dbus_objc = bus.get_object(busname, server_path)
221
338
except dbus.exceptions.DBusException:
222
print("Could not connect to Mandos server",
339
print("Could not connect to Mandos server", file=sys.stderr)
226
342
mandos_serv = dbus.Interface(mandos_dbus_objc,
249
365
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())
366
clients = { bus.get_object(busname, path): properties
367
for path, properties in mandos_clients.items() }
254
369
for name in options.client:
255
for path, client in mandos_clients.iteritems():
370
for path, client in mandos_clients.items():
256
371
if client["Name"] == name:
257
372
client_objc = bus.get_object(busname, path)
258
373
clients[client_objc] = client
261
print("Client not found on server: {0!r}"
376
print("Client not found on server: {!r}"
262
377
.format(name), file=sys.stderr)
265
380
if not has_actions(options) and clients:
266
381
if options.verbose:
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"Host", "Fingerprint", "CheckerRunning",
270
"LastEnabled", "ApprovalPending",
382
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
383
"Created", "Interval", "Host", "Fingerprint",
384
"CheckerRunning", "LastEnabled",
385
"ApprovalPending", "ApprovedByDefault",
272
386
"LastApprovalRequest", "ApprovalDelay",
273
387
"ApprovalDuration", "Checker",
274
388
"ExtendedTimeout")