1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
|
#!/usr/bin/python
# Unix SMB/CIFS implementation.
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
#
# 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/>.
#
"""Support for reading Samba 3 data files."""
__docformat__ = "restructuredText"
REGISTRY_VALUE_PREFIX = "SAMBA_REGVAL"
REGISTRY_DB_VERSION = 1
import os
import struct
import tdb
def fetch_uint32(tdb, key):
try:
data = tdb[key]
except KeyError:
return None
assert len(data) == 4
return struct.unpack("<L", data)[0]
def fetch_int32(tdb, key):
try:
data = tdb[key]
except KeyError:
return None
assert len(data) == 4
return struct.unpack("<l", data)[0]
class TdbDatabase(object):
"""Simple Samba 3 TDB database reader."""
def __init__(self, file):
"""Open a file.
:param file: Path of the file to open.
"""
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
self._check_version()
def _check_version(self):
pass
def close(self):
"""Close resources associated with this object."""
self.tdb.close()
class Registry(TdbDatabase):
"""Simple read-only support for reading the Samba3 registry.
:note: This object uses the same syntax for registry key paths as
Samba 3. This particular format uses forward slashes for key path
separators and abbreviations for the predefined key names.
e.g.: HKLM/Software/Bar.
"""
def __len__(self):
"""Return the number of keys."""
return len(self.keys())
def keys(self):
"""Return list with all the keys."""
return [k.rstrip("\x00") for k in self.tdb.iterkeys() if not k.startswith(REGISTRY_VALUE_PREFIX)]
def subkeys(self, key):
"""Retrieve the subkeys for the specified key.
:param key: Key path.
:return: list with key names
"""
data = self.tdb.get("%s\x00" % key)
if data is None:
return []
(num, ) = struct.unpack("<L", data[0:4])
keys = data[4:].split("\0")
assert keys[-1] == ""
keys.pop()
assert len(keys) == num
return keys
def values(self, key):
"""Return a dictionary with the values set for a specific key.
:param key: Key to retrieve values for.
:return: Dictionary with value names as key, tuple with type and
data as value."""
data = self.tdb.get("%s/%s\x00" % (REGISTRY_VALUE_PREFIX, key))
if data is None:
return {}
ret = {}
(num, ) = struct.unpack("<L", data[0:4])
data = data[4:]
for i in range(num):
# Value name
(name, data) = data.split("\0", 1)
(type, ) = struct.unpack("<L", data[0:4])
data = data[4:]
(value_len, ) = struct.unpack("<L", data[0:4])
data = data[4:]
ret[name] = (type, data[:value_len])
data = data[value_len:]
return ret
class PolicyDatabase(TdbDatabase):
"""Samba 3 Account Policy database reader."""
def __init__(self, file):
"""Open a policy database
:param file: Path to the file to open.
"""
super(PolicyDatabase, self).__init__(file)
self.min_password_length = fetch_uint32(self.tdb, "min password length\x00")
self.password_history = fetch_uint32(self.tdb, "password history\x00")
self.user_must_logon_to_change_password = fetch_uint32(self.tdb, "user must logon to change pasword\x00")
self.maximum_password_age = fetch_uint32(self.tdb, "maximum password age\x00")
self.minimum_password_age = fetch_uint32(self.tdb, "minimum password age\x00")
self.lockout_duration = fetch_uint32(self.tdb, "lockout duration\x00")
self.reset_count_minutes = fetch_uint32(self.tdb, "reset count minutes\x00")
self.bad_lockout_minutes = fetch_uint32(self.tdb, "bad lockout minutes\x00")
self.disconnect_time = fetch_int32(self.tdb, "disconnect time\x00")
self.refuse_machine_password_change = fetch_uint32(self.tdb, "refuse machine password change\x00")
# FIXME: Read privileges as well
GROUPDB_DATABASE_VERSION_V1 = 1 # native byte format.
GROUPDB_DATABASE_VERSION_V2 = 2 # le format.
GROUP_PREFIX = "UNIXGROUP/"
# Alias memberships are stored reverse, as memberships. The performance
# critical operation is to determine the aliases a SID is member of, not
# listing alias members. So we store a list of alias SIDs a SID is member of
# hanging of the member as key.
MEMBEROF_PREFIX = "MEMBEROF/"
class GroupMappingDatabase(TdbDatabase):
"""Samba 3 group mapping database reader."""
def _check_version(self):
assert fetch_int32(self.tdb, "INFO/version\x00") in (GROUPDB_DATABASE_VERSION_V1, GROUPDB_DATABASE_VERSION_V2)
def groupsids(self):
"""Retrieve the SIDs for the groups in this database.
:return: List with sids as strings.
"""
for k in self.tdb.iterkeys():
if k.startswith(GROUP_PREFIX):
yield k[len(GROUP_PREFIX):].rstrip("\0")
def get_group(self, sid):
"""Retrieve the group mapping information for a particular group.
:param sid: SID of the group
:return: None if the group can not be found, otherwise
a tuple with gid, sid_name_use, the NT name and comment.
"""
data = self.tdb.get("%s%s\0" % (GROUP_PREFIX, sid))
if data is None:
return data
(gid, sid_name_use) = struct.unpack("<lL", data[0:8])
(nt_name, comment, _) = data[8:].split("\0")
return (gid, sid_name_use, nt_name, comment)
def aliases(self):
"""Retrieve the aliases in this database."""
for k in self.tdb.iterkeys():
if k.startswith(MEMBEROF_PREFIX):
yield k[len(MEMBEROF_PREFIX):].rstrip("\0")
# High water mark keys
IDMAP_HWM_GROUP = "GROUP HWM\0"
IDMAP_HWM_USER = "USER HWM\0"
IDMAP_GROUP_PREFIX = "GID "
IDMAP_USER_PREFIX = "UID "
# idmap version determines auto-conversion
IDMAP_VERSION_V2 = 2
class IdmapDatabase(TdbDatabase):
"""Samba 3 ID map database reader."""
def _check_version(self):
assert fetch_int32(self.tdb, "IDMAP_VERSION\0") == IDMAP_VERSION_V2
def uids(self):
"""Retrieve a list of all uids in this database."""
for k in self.tdb.iterkeys():
if k.startswith(IDMAP_USER_PREFIX):
yield int(k[len(IDMAP_USER_PREFIX):].rstrip("\0"))
def gids(self):
"""Retrieve a list of all gids in this database."""
for k in self.tdb.iterkeys():
if k.startswith(IDMAP_GROUP_PREFIX):
yield int(k[len(IDMAP_GROUP_PREFIX):].rstrip("\0"))
def get_user_sid(self, uid):
"""Retrieve the SID associated with a particular uid.
:param uid: UID to retrieve SID for.
:return: A SID or None if no mapping was found.
"""
data = self.tdb.get("%s%d\0" % (IDMAP_USER_PREFIX, uid))
if data is None:
return data
return data.rstrip("\0")
def get_group_sid(self, gid):
data = self.tdb.get("%s%d\0" % (IDMAP_GROUP_PREFIX, gid))
if data is None:
return data
return data.rstrip("\0")
def get_user_hwm(self):
"""Obtain the user high-water mark."""
return fetch_uint32(self.tdb, IDMAP_HWM_USER)
def get_group_hwm(self):
"""Obtain the group high-water mark."""
return fetch_uint32(self.tdb, IDMAP_HWM_GROUP)
class SecretsDatabase(TdbDatabase):
"""Samba 3 Secrets database reader."""
def get_auth_password(self):
return self.tdb.get("SECRETS/AUTH_PASSWORD")
def get_auth_domain(self):
return self.tdb.get("SECRETS/AUTH_DOMAIN")
def get_auth_user(self):
return self.tdb.get("SECRETS/AUTH_USER")
def get_domain_guid(self, host):
return self.tdb.get("SECRETS/DOMGUID/%s" % host)
def ldap_dns(self):
for k in self.tdb.iterkeys():
if k.startswith("SECRETS/LDAP_BIND_PW/"):
yield k[len("SECRETS/LDAP_BIND_PW/"):].rstrip("\0")
def domains(self):
"""Iterate over domains in this database.
:return: Iterator over the names of domains in this database.
"""
for k in self.tdb.iterkeys():
if k.startswith("SECRETS/SID/"):
yield k[len("SECRETS/SID/"):].rstrip("\0")
def get_ldap_bind_pw(self, host):
return self.tdb.get("SECRETS/LDAP_BIND_PW/%s" % host)
def get_afs_keyfile(self, host):
return self.tdb.get("SECRETS/AFS_KEYFILE/%s" % host)
def get_machine_sec_channel_type(self, host):
return fetch_uint32(self.tdb, "SECRETS/MACHINE_SEC_CHANNEL_TYPE/%s" % host)
def get_machine_last_change_time(self, host):
return fetch_uint32(self.tdb, "SECRETS/MACHINE_LAST_CHANGE_TIME/%s" % host)
def get_machine_password(self, host):
return self.tdb.get("SECRETS/MACHINE_PASSWORD/%s" % host)
def get_machine_acc(self, host):
return self.tdb.get("SECRETS/$MACHINE.ACC/%s" % host)
def get_domtrust_acc(self, host):
return self.tdb.get("SECRETS/$DOMTRUST.ACC/%s" % host)
def trusted_domains(self):
for k in self.tdb.iterkeys():
if k.startswith("SECRETS/$DOMTRUST.ACC/"):
yield k[len("SECRETS/$DOMTRUST.ACC/"):].rstrip("\0")
def get_random_seed(self):
return self.tdb.get("INFO/random_seed")
def get_sid(self, host):
return self.tdb.get("SECRETS/SID/%s" % host.upper())
SHARE_DATABASE_VERSION_V1 = 1
SHARE_DATABASE_VERSION_V2 = 2
class ShareInfoDatabase(TdbDatabase):
"""Samba 3 Share Info database reader."""
def _check_version(self):
assert fetch_int32(self.tdb, "INFO/version\0") in (SHARE_DATABASE_VERSION_V1, SHARE_DATABASE_VERSION_V2)
def get_secdesc(self, name):
"""Obtain the security descriptor on a particular share.
:param name: Name of the share
"""
secdesc = self.tdb.get("SECDESC/%s" % name)
# FIXME: Run ndr_pull_security_descriptor
return secdesc
class Shares(object):
"""Container for share objects."""
def __init__(self, lp, shareinfo):
self.lp = lp
self.shareinfo = shareinfo
def __len__(self):
"""Number of shares."""
return len(self.lp) - 1
def __iter__(self):
"""Iterate over the share names."""
return self.lp.__iter__()
ACB_DISABLED = 0x00000001
ACB_HOMDIRREQ = 0x00000002
ACB_PWNOTREQ = 0x00000004
ACB_TEMPDUP = 0x00000008
ACB_NORMAL = 0x00000010
ACB_MNS = 0x00000020
ACB_DOMTRUST = 0x00000040
ACB_WSTRUST = 0x00000080
ACB_SVRTRUST = 0x00000100
ACB_PWNOEXP = 0x00000200
ACB_AUTOLOCK = 0x00000400
ACB_ENC_TXT_PWD_ALLOWED = 0x00000800
ACB_SMARTCARD_REQUIRED = 0x00001000
ACB_TRUSTED_FOR_DELEGATION = 0x00002000
ACB_NOT_DELEGATED = 0x00004000
ACB_USE_DES_KEY_ONLY = 0x00008000
ACB_DONT_REQUIRE_PREAUTH = 0x00010000
ACB_PW_EXPIRED = 0x00020000
ACB_NO_AUTH_DATA_REQD = 0x00080000
acb_info_mapping = {
'N': ACB_PWNOTREQ, # 'N'o password.
'D': ACB_DISABLED, # 'D'isabled.
'H': ACB_HOMDIRREQ, # 'H'omedir required.
'T': ACB_TEMPDUP, # 'T'emp account.
'U': ACB_NORMAL, # 'U'ser account (normal).
'M': ACB_MNS, # 'M'NS logon user account. What is this ?
'W': ACB_WSTRUST, # 'W'orkstation account.
'S': ACB_SVRTRUST, # 'S'erver account.
'L': ACB_AUTOLOCK, # 'L'ocked account.
'X': ACB_PWNOEXP, # No 'X'piry on password
'I': ACB_DOMTRUST, # 'I'nterdomain trust account.
' ': 0
}
def decode_acb(text):
"""Decode a ACB field.
:param text: ACB text
:return: integer with flags set.
"""
assert not "[" in text and not "]" in text
ret = 0
for x in text:
ret |= acb_info_mapping[x]
return ret
class SAMUser(object):
"""Samba 3 SAM User.
:note: Unknown or unset fields are set to None.
"""
def __init__(self, name, uid=None, lm_password=None, nt_password=None, acct_ctrl=None,
last_change_time=None, nt_username=None, fullname=None, logon_time=None, logoff_time=None,
acct_desc=None, group_rid=None, bad_password_count=None, logon_count=None,
domain=None, dir_drive=None, munged_dial=None, homedir=None, logon_script=None,
profile_path=None, workstations=None, kickoff_time=None, bad_password_time=None,
pass_last_set_time=None, pass_can_change_time=None, pass_must_change_time=None,
user_rid=None, unknown_6=None, nt_password_history=None,
unknown_str=None, hours=None, logon_divs=None):
self.username = name
self.uid = uid
self.lm_password = lm_password
self.nt_password = nt_password
self.acct_ctrl = acct_ctrl
self.pass_last_set_time = last_change_time
self.nt_username = nt_username
self.fullname = fullname
self.logon_time = logon_time
self.logoff_time = logoff_time
self.acct_desc = acct_desc
self.group_rid = group_rid
self.bad_password_count = bad_password_count
self.logon_count = logon_count
self.domain = domain
self.dir_drive = dir_drive
self.munged_dial = munged_dial
self.homedir = homedir
self.logon_script = logon_script
self.profile_path = profile_path
self.workstations = workstations
self.kickoff_time = kickoff_time
self.bad_password_time = bad_password_time
self.pass_can_change_time = pass_can_change_time
self.pass_must_change_time = pass_must_change_time
self.user_rid = user_rid
self.unknown_6 = unknown_6
self.nt_password_history = nt_password_history
self.unknown_str = unknown_str
self.hours = hours
self.logon_divs = logon_divs
def __eq__(self, other):
if not isinstance(other, SAMUser):
return False
return self.__dict__ == other.__dict__
class SmbpasswdFile(object):
"""Samba 3 smbpasswd file reader."""
def __init__(self, file):
self.users = {}
f = open(file, 'r')
for l in f.readlines():
if len(l) == 0 or l[0] == "#":
continue # Skip comments and blank lines
parts = l.split(":")
username = parts[0]
uid = int(parts[1])
acct_ctrl = 0
last_change_time = None
if parts[2] == "NO PASSWORD":
acct_ctrl |= ACB_PWNOTREQ
lm_password = None
elif parts[2][0] in ("*", "X"):
# No password set
lm_password = None
else:
lm_password = parts[2]
if parts[3][0] in ("*", "X"):
# No password set
nt_password = None
else:
nt_password = parts[3]
if parts[4][0] == '[':
assert "]" in parts[4]
acct_ctrl |= decode_acb(parts[4][1:-1])
if parts[5].startswith("LCT-"):
last_change_time = int(parts[5][len("LCT-"):], 16)
else: # old style file
if username[-1] == "$":
acct_ctrl &= ~ACB_NORMAL
acct_ctrl |= ACB_WSTRUST
self.users[username] = SAMUser(username, uid, lm_password, nt_password, acct_ctrl, last_change_time)
f.close()
def __len__(self):
return len(self.users)
def __getitem__(self, name):
return self.users[name]
def __iter__(self):
return iter(self.users)
def close(self): # For consistency
pass
TDBSAM_FORMAT_STRING_V0 = "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
TDBSAM_FORMAT_STRING_V1 = "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
TDBSAM_FORMAT_STRING_V2 = "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
TDBSAM_USER_PREFIX = "USER_"
class LdapSam(object):
"""Samba 3 LDAP passdb backend reader."""
def __init__(self, url):
self.ldap_url = url
class TdbSam(TdbDatabase):
"""Samba 3 TDB passdb backend reader."""
def _check_version(self):
self.version = fetch_uint32(self.tdb, "INFO/version\0") or 0
assert self.version in (0, 1, 2, 3)
def usernames(self):
"""Iterate over the usernames in this Tdb database."""
for k in self.tdb.iterkeys():
if k.startswith(TDBSAM_USER_PREFIX):
yield k[len(TDBSAM_USER_PREFIX):].rstrip("\0")
__iter__ = usernames
def __getitem__(self, name):
data = self.tdb["%s%s\0" % (TDBSAM_USER_PREFIX, name)]
user = SAMUser(name)
def unpack_string(data):
(length, ) = struct.unpack("<L", data[:4])
data = data[4:]
if length == 0:
return (None, data)
return (data[:length].rstrip("\0"), data[length:])
def unpack_int32(data):
(value, ) = struct.unpack("<l", data[:4])
return (value, data[4:])
def unpack_uint32(data):
(value, ) = struct.unpack("<L", data[:4])
return (value, data[4:])
def unpack_uint16(data):
(value, ) = struct.unpack("<H", data[:2])
return (value, data[2:])
(logon_time, data) = unpack_int32(data)
(logoff_time, data) = unpack_int32(data)
(kickoff_time, data) = unpack_int32(data)
if self.version > 0:
(bad_password_time, data) = unpack_int32(data)
if bad_password_time != 0:
user.bad_password_time = bad_password_time
(pass_last_set_time, data) = unpack_int32(data)
(pass_can_change_time, data) = unpack_int32(data)
(pass_must_change_time, data) = unpack_int32(data)
if logon_time != 0:
user.logon_time = logon_time
user.logoff_time = logoff_time
user.kickoff_time = kickoff_time
if pass_last_set_time != 0:
user.pass_last_set_time = pass_last_set_time
user.pass_can_change_time = pass_can_change_time
(user.username, data) = unpack_string(data)
(user.domain, data) = unpack_string(data)
(user.nt_username, data) = unpack_string(data)
(user.fullname, data) = unpack_string(data)
(user.homedir, data) = unpack_string(data)
(user.dir_drive, data) = unpack_string(data)
(user.logon_script, data) = unpack_string(data)
(user.profile_path, data) = unpack_string(data)
(user.acct_desc, data) = unpack_string(data)
(user.workstations, data) = unpack_string(data)
(user.unknown_str, data) = unpack_string(data)
(user.munged_dial, data) = unpack_string(data)
(user.user_rid, data) = unpack_int32(data)
(user.group_rid, data) = unpack_int32(data)
(user.lm_password, data) = unpack_string(data)
(user.nt_password, data) = unpack_string(data)
if self.version > 1:
(user.nt_password_history, data) = unpack_string(data)
(user.acct_ctrl, data) = unpack_uint16(data)
(_, data) = unpack_uint32(data) # remove_me field
(user.logon_divs, data) = unpack_uint16(data)
(hours, data) = unpack_string(data)
user.hours = []
for entry in hours:
for i in range(8):
user.hours.append(ord(entry) & (2 ** i) == (2 ** i))
# FIXME (reactivate also the tests in tests/samba3.py after fixing this)
#(user.bad_password_count, data) = unpack_uint16(data)
#(user.logon_count, data) = unpack_uint16(data)
#(user.unknown_6, data) = unpack_uint32(data)
#assert len(data) == 0
return user
def shellsplit(text):
"""Very simple shell-like line splitting.
:param text: Text to split.
:return: List with parts of the line as strings.
"""
ret = list()
inquotes = False
current = ""
for c in text:
if c == "\"":
inquotes = not inquotes
elif c in ("\t", "\n", " ") and not inquotes:
ret.append(current)
current = ""
else:
current += c
if current != "":
ret.append(current)
return ret
class WinsDatabase(object):
"""Samba 3 WINS database reader."""
def __init__(self, file):
self.entries = {}
f = open(file, 'r')
assert f.readline().rstrip("\n") == "VERSION 1 0"
for l in f.readlines():
if l[0] == "#": # skip comments
continue
entries = shellsplit(l.rstrip("\n"))
name = entries[0]
ttl = int(entries[1])
i = 2
ips = []
while "." in entries[i]:
ips.append(entries[i])
i+=1
nb_flags = int(entries[i][:-1], 16)
assert not name in self.entries, "Name %s exists twice" % name
self.entries[name] = (ttl, ips, nb_flags)
f.close()
def __getitem__(self, name):
return self.entries[name]
def __len__(self):
return len(self.entries)
def __iter__(self):
return iter(self.entries)
def items(self):
"""Return the entries in this WINS database."""
return self.entries.items()
def close(self): # for consistency
pass
class ParamFile(object):
"""Simple smb.conf-compatible file parser
Does not use a parameter table, unlike the "normal".
"""
def __init__(self, sections=None):
self._sections = sections or {}
def _sanitize_name(self, name):
return name.strip().lower().replace(" ","")
def __repr__(self):
return "ParamFile(%r)" % self._sections
def read(self, filename):
"""Read a file.
:param filename: Path to the file
"""
section = None
for i, l in enumerate(open(filename, 'r').xreadlines()):
l = l.strip()
if not l or l[0] == '#' or l[0] == ';':
continue
if l[0] == "[" and l[-1] == "]":
section = self._sanitize_name(l[1:-1])
self._sections.setdefault(section, {})
elif "=" in l:
(k, v) = l.split("=", 1)
self._sections[section][self._sanitize_name(k)] = v
else:
raise Exception("Unable to parser line %d: %r" % (i+1,l))
def get(self, param, section=None):
"""Return the value of a parameter.
:param param: Parameter name
:param section: Section name, defaults to "global"
:return: parameter value as string if found, None otherwise.
"""
if section is None:
section = "global"
section = self._sanitize_name(section)
if not section in self._sections:
return None
param = self._sanitize_name(param)
if not param in self._sections[section]:
return None
return self._sections[section][param].strip()
def __getitem__(self, section):
return self._sections[section]
def get_section(self, section):
return self._sections.get(section)
def add_section(self, section):
self._sections[self._sanitize_name(section)] = {}
def set_string(self, name, value):
self._sections["global"][name] = value
def get_string(self, name):
return self._sections["global"].get(name)
class Samba3(object):
"""Samba 3 configuration and state data reader."""
def __init__(self, libdir, smbconfpath):
"""Open the configuration and data for a Samba 3 installation.
:param libdir: Library directory
:param smbconfpath: Path to the smb.conf file.
"""
self.smbconfpath = smbconfpath
self.libdir = libdir
self.lp = ParamFile()
self.lp.read(self.smbconfpath)
def libdir_path(self, path):
if path[0] == "/" or path[0] == ".":
return path
return os.path.join(self.libdir, path)
def get_conf(self):
return self.lp
def get_sam_db(self):
lp = self.get_conf()
backends = (lp.get("passdb backend") or "").split(" ")
if ":" in backends[0]:
(name, location) = backends[0].split(":", 2)
else:
name = backends[0]
location = None
if name == "smbpasswd":
return SmbpasswdFile(self.libdir_path(location or "smbpasswd"))
elif name == "tdbsam":
return TdbSam(self.libdir_path(location or "passdb.tdb"))
elif name == "ldapsam":
if location is not None:
return LdapSam("ldap:%s" % location)
return LdapSam(lp.get("ldap server"))
else:
raise NotImplementedError("unsupported passdb backend %s" % backends[0])
def get_policy_db(self):
return PolicyDatabase(self.libdir_path("account_policy.tdb"))
def get_registry(self):
return Registry(self.libdir_path("registry.tdb"))
def get_secrets_db(self):
return SecretsDatabase(self.libdir_path("secrets.tdb"))
def get_shareinfo_db(self):
return ShareInfoDatabase(self.libdir_path("share_info.tdb"))
def get_idmap_db(self):
return IdmapDatabase(self.libdir_path("winbindd_idmap.tdb"))
def get_wins_db(self):
return WinsDatabase(self.libdir_path("wins.dat"))
def get_shares(self):
return Shares(self.get_conf(), self.get_shareinfo_db())
def get_groupmapping_db(self):
return GroupMappingDatabase(self.libdir_path("group_mapping.tdb"))
|