summaryrefslogtreecommitdiff
path: root/source4/scripting/libjs/upgrade.js
blob: 3504d850f26236e1e1318cd257d0477585f1c832 (plain)
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
/*
	backend code for upgrading from Samba3
	Copyright Jelmer Vernooij 2005
	Released under the GNU GPL v2 or later
*/

libinclude("base.js");

function regkey_to_dn(name)
{
	var dn = "hive=NONE";
	var i = 0;

	var as = split("/", name);

	for (i in as) {
		if (i > 0) {
			dn = sprintf("key=%s,", as[i]) + dn;
		}
	}

	return dn;
}

/* Where prefix is any of:
 * - HKLM
 *   HKU
 *   HKCR
 *   HKPD
 *   HKPT
 */

function upgrade_registry(regdb,prefix,ldb)
{
	assert(regdb != undefined);
	var prefix_up = strupper(prefix);
	var ldif = new Array();

	for (var i in regdb.keys) {
		var rk = regdb.keys[i];
		var pts = split("/", rk.name);

		/* Only handle selected hive */
		if (strupper(pts[0]) != prefix_up) {
			continue;
		}

		var keydn = regkey_to_dn(rk.name);

		var pts = split("/", rk.name);

		/* Convert key name to dn */
		ldif[rk.name] = sprintf("
dn: %s
name: %s

", keydn, pts[0]);
		
		for (var j in rk.values) {
			var rv = rk.values[j];

			ldif[rk.name + " (" + rv.name + ")"] = sprintf("
dn: %s,value=%s
value: %s
type: %d
data:: %s", keydn, rv.name, rv.name, rv.type, ldb.encode(rv.data));
		}
	}

	return ldif;
}

function upgrade_sam_policy(samba3,dn)
{
	var ldif = sprintf("
dn: %s
changetype: modify
replace: minPwdLength
minPwdLength: %d
pwdHistoryLength: %d
minPwdAge: %d
maxPwdAge: %d
lockoutDuration: %d
samba3ResetCountMinutes: %d
samba3UserMustLogonToChangePassword: %d
samba3BadLockoutMinutes: %d
samba3DisconnectTime: %d

", dn, samba3.policy.min_password_length, 
	samba3.policy.password_history, samba3.policy.minimum_password_age,
	samba3.policy.maximum_password_age, samba3.policy.lockout_duration,
	samba3.policy.reset_count_minutes, samba3.policy.user_must_logon_to_change_password,
	samba3.policy.bad_lockout_minutes, samba3.policy.disconnect_time
);
	
	return ldif;
}

function upgrade_sam_account(ldb,acc,domaindn,domainsid)
{
	if (acc.nt_username == undefined) {
		acc.nt_username = acc.username;
	}	

	if (acc.nt_username == "") {
		acc.nt_username = acc.username;
	}	

	if (acc.fullname == undefined) {
		var pw = nss.getpwnam(acc.fullname);
		acc.fullname = pw.pw_gecos;
	}

	var pts = split(',', acc.fullname);
	acc.fullname = pts[0];

	if (acc.fullname == undefined) {
		acc.fullname = acc.username;
	}
	
	assert(acc.fullname != undefined);
	assert(acc.nt_username != undefined);

	var ldif = sprintf(
"dn: cn=%s,%s
objectClass: top
objectClass: user
lastLogon: %d
lastLogoff: %d
unixName: %s
sAMAccountName: %s
cn: %s
description: %s
primaryGroupID: %d
badPwdcount: %d
logonCount: %d
samba3Domain: %s
samba3DirDrive: %s
samba3MungedDial: %s
samba3Homedir: %s
samba3LogonScript: %s
samba3ProfilePath: %s
samba3Workstations: %s
samba3KickOffTime: %d
samba3BadPwdTime: %d
samba3PassLastSetTime: %d
samba3PassCanChangeTime: %d
samba3PassMustChangeTime: %d
objectSid: %s-%d
lmPwdHash:: %s
ntPwdHash:: %s

", ldb.dn_escape(acc.fullname), domaindn, acc.logon_time, acc.logoff_time, acc.username, acc.nt_username, acc.nt_username, 

acc.acct_desc, acc.group_rid, acc.bad_password_count, acc.logon_count,
acc.domain, acc.dir_drive, acc.munged_dial, acc.homedir, acc.logon_script, 
acc.profile_path, acc.workstations, acc.kickoff_time, acc.bad_password_time, 
acc.pass_last_set_time, acc.pass_can_change_time, acc.pass_must_change_time, domainsid, acc.user_rid,
	ldb.encode(acc.lm_pw), ldb.encode(acc.nt_pw)); 

	return ldif;
}

function upgrade_sam_group(grp,domaindn)
{
	var nss = nss_init();

	var gr;
	if (grp.sid_name_use == 5) { // Well-known group
		return undefined;
	}

	if (grp.nt_name == "Domain Guests" ||
	    grp.nt_name == "Domain Users" ||
	    grp.nt_name == "Domain Admins") {
		return undefined;
	}
	
	if (grp.gid == -1) {
		gr = nss.getgrnam(grp.nt_name);
	} else {
		gr = nss.getgrgid(grp.gid);
	}

	if (gr == undefined) {
		grp.unixname = "UNKNOWN";
	} else {
		grp.unixname = gr.gr_name;
	}

	assert(grp.unixname != undefined);
	
	var ldif = sprintf(
"dn: cn=%s,%s
objectClass: top
objectClass: group
description: %s
cn: %s
objectSid: %s
unixName: %s
samba3SidNameUse: %d
", grp.nt_name, domaindn, 
grp.comment, grp.nt_name, grp.sid, grp.unixname, grp.sid_name_use);

	return ldif;
}

function upgrade_winbind(samba3,domaindn)
{
	var ldif = sprintf("
		
dn: dc=none
userHwm: %d
groupHwm: %d

", samba3.idmap.user_hwm, samba3.idmap.group_hwm);

	for (var i in samba3.idmap.mappings) {
		var m = samba3.idmap.mappings[i];
		ldif = ldif + sprintf("
dn: SID=%s,%s
SID: %s
type: %d
unixID: %d", m.sid, domaindn, m.sid, m.type, m.unix_id);
	}
	
	return ldif;
}
*/

function upgrade_wins(samba3)
{
	var ldif = "";
	var version_id = 0;

	for (i in samba3.winsentries) {
		var rType;
		var rState;
		var nType;
		var numIPs = 0;
		var e = samba3.winsentries[i];
		var now = sys.nttime();
		var ttl = sys.unix2nttime(e.ttl);

		version_id++;

		for (var i in e.ips) {
			numIPs++;
		}

		if (e.type == 0x1C) {
			rType = 0x2;
		} else if (sys.bitAND(e.type, 0x80)) {
			if (numIPs > 1) {
				rType = 0x2;
			} else {
				rType = 0x1;
			}
		} else {
			if (numIPs > 1) {
				rType = 0x3;
			} else {
				rType = 0x0;
			}
		}

		if (ttl > now) {
			rState = 0x0;/* active */
		} else {
			rState = 0x1;/* released */		
		}

		nType = (sys.bitAND(e.nb_flags,0x60)>>5);

		ldif = ldif + sprintf("
dn: name=%s,type=0x%02X
type: 0x%02X
name: %s
objectClass: winsRecord
recordType: %u
recordState: %u
nodeType: %u
isStatic: 0
expireTime: %s
versionID: %llu
", e.name, e.type, e.type, e.name, 
   rType, rState, nType, 
   sys.ldaptime(ttl), version_id);

		for (var i in e.ips) {
			ldif = ldif + sprintf("address: %s\n", e.ips[i]);
		}
	}

	ldif = ldif + sprintf("
dn: CN=VERSION
objectClass: winsMaxVersion
maxVersion: %llu
", version_id);

	return ldif;
}

function upgrade_provision(samba3)
{
	var subobj = new Object();
	var nss = nss_init();
	var lp = loadparm_init();
	var rdn_list;

	var domainname = samba3.configuration.get("workgroup");
	
	if (domainname == undefined) {
		domainname = samba3.secrets.domains[0].name;
		println("No domain specified in smb.conf file, assuming '" + domainname + "'");
	}
	
	var domsec = samba3.find_domainsecrets(domainname);
	var hostsec = samba3.find_domainsecrets(hostname());
	var realm = samba3.configuration.get("realm");

	if (realm == undefined) {
		realm = domainname;
		println("No realm specified in smb.conf file, assuming '" + realm + "'");
	}
	random_init(local);

	subobj.REALM        = realm;
	subobj.DOMAIN       = domainname;
	subobj.HOSTNAME     = hostname();

	assert(subobj.REALM);
	assert(subobj.DOMAIN);
	assert(subobj.HOSTNAME);

	subobj.HOSTIP       = hostip();
	if (domsec != undefined) {
		subobj.DOMAINGUID   = domsec.guid;
		subobj.DOMAINSID    = domsec.sid;
	} else {
		println("Can't find domain secrets for '" + domainname + "'; using random SID and GUID");
		subobj.DOMAINGUID = randguid();
		subobj.DOMAINSID = randsid();
	}
	
	if (hostsec) {
		subobj.HOSTGUID     = hostsec.guid;
	} else {
		subobj.HOSTGUID = randguid();
	}
	subobj.INVOCATIONID = randguid();
	subobj.KRBTGTPASS   = randpass(12);
	subobj.MACHINEPASS  = randpass(12);
	subobj.ADMINPASS    = randpass(12);
	subobj.DEFAULTSITE  = "Default-First-Site-Name";
	subobj.NEWGUID      = randguid;
	subobj.NTTIME       = nttime;
	subobj.LDAPTIME     = ldaptime;
	subobj.DATESTRING   = datestring;
	subobj.ROOT         = findnss(nss.getpwnam, "root");
	subobj.NOBODY       = findnss(nss.getpwnam, "nobody");
	subobj.NOGROUP      = findnss(nss.getgrnam, "nogroup", "nobody");
	subobj.WHEEL        = findnss(nss.getgrnam, "wheel", "root");
	subobj.USERS        = findnss(nss.getgrnam, "users", "guest", "other");
	subobj.DNSDOMAIN    = strlower(subobj.REALM);
	subobj.DNSNAME      = sprintf("%s.%s", 
				      strlower(subobj.HOSTNAME), 
				      subobj.DNSDOMAIN);
	subobj.BASEDN       = "DC=" + join(",DC=", split(".", subobj.REALM));
	rdn_list = split(".", subobj.DNSDOMAIN);
	subobj.DOMAINDN     = "DC=" + join(",DC=", rdn_list);
	subobj.DOMAINDN_LDB = "users.ldb";
	subobj.ROOTDN       = subobj.DOMAINDN;

	modules_list        = new Array("rootdse",
					"kludge_acl",
					"paged_results",
					"server_sort",
					"extended_dn",
					"asq",
					"samldb",
					"password_hash",
					"operational",
					"objectclass",
					"rdn_name",
					"show_deleted",
					"partition");
	subobj.MODULES_LIST = join(",", modules_list);

	return subobj;
}

smbconf_keep = new Array(
	"dos charset", 
	"unix charset",
	"display charset",
	"comment",
	"path",
	"directory",
	"workgroup",
	"realm",
	"netbios name",
	"netbios aliases",
	"netbios scope",
	"server string",
	"interfaces",
	"bind interfaces only",
	"security",
	"auth methods",
	"encrypt passwords",
	"null passwords",
	"obey pam restrictions",
	"password server",
	"smb passwd file",
	"private dir",
	"passwd chat",
	"password level",
	"lanman auth",
	"ntlm auth",
	"client NTLMv2 auth",
	"client lanman auth",
	"client plaintext auth",
	"read only",
	"hosts allow",
	"hosts deny",
	"log level",
	"debuglevel",
	"log file",
	"smb ports",
	"large readwrite",
	"max protocol",
	"min protocol",
	"unicode",
	"read raw",
	"write raw",
	"disable netbios",
	"nt status support",
	"announce version",
	"announce as",
	"max mux",
	"max xmit",
	"name resolve order",
	"max wins ttl",
	"min wins ttl",
	"time server",
	"unix extensions",
	"use spnego",
	"server signing",
	"client signing",
	"max connections",
	"paranoid server security",
	"socket options",
	"strict sync",
	"max print jobs",
	"printable",
	"print ok",
	"printer name",
	"printer",
	"map system",
	"map hidden",
	"map archive",
	"preferred master",
	"prefered master",
	"local master",
	"browseable",
	"browsable",
	"wins server",
	"wins support",
	"csc policy",
	"strict locking",
	"config file",
	"preload",
	"auto services",
	"lock dir",
	"lock directory",
	"pid directory",
	"socket address",
	"copy",
	"include",
	"available",
	"volume",
	"fstype",
	"panic action",
	"msdfs root",
	"host msdfs",
	"winbind separator");

/*
   Remove configuration variables not present in Samba4
	oldconf: Old configuration structure
	mark: Whether removed configuration variables should be 
		kept in the new configuration as "samba3:<name>"
 */
function upgrade_smbconf(oldconf,mark)
{
	var data = oldconf.data();
	var newconf = param_init();

	for (var s in data) {
		for (var p in data[s]) {
			var keep = false;
			for (var k in smbconf_keep) { 
				if (smbconf_keep[k] == p) {
					keep = true;
					break;
				}
			}

			if (keep) {
				newconf.set(s, p, oldconf.get(s, p));
			} else if (mark) {
				newconf.set(s, "samba3:"+p, oldconf.get(s,p));
			}
		}
	}

	if (oldconf.get("domain logons") == "True") {
		newconf.set("server role", "domain controller");
	} else {
		if (oldconf.get("security") == "user") {
			newconf.set("server role", "standalone");
		} else {
			newconf.set("server role", "member server");
		}
	}

	return newconf;
}

function upgrade(subobj, samba3, message, paths, session_info, credentials)
{
	var ret = 0;
	var lp = loadparm_init();
	var samdb = ldb_init();
	samdb.session_info = session_info;
	samdb.credentials = credentials;
	var ok = samdb.connect(paths.samdb);
	if (!ok) {
		info.message("samdb connect failed: " + samdb.errstring() + "\n");
		assert(ok);
	}

	message("Writing configuration\n");
	var newconf = upgrade_smbconf(samba3.configuration,true);
	newconf.save(paths.smbconf);

	message("Importing account policies\n");
	var ldif = upgrade_sam_policy(samba3,subobj.BASEDN);
	ok = samdb.modify(ldif);
	if (!ok) {
		message("samdb load failed: " + samdb.errstring() + "\n");
		assert(ok);
	}
	var regdb = ldb_init();
	ok = regdb.connect(paths.hklm);
	if (!ok) {
		message("registry connect: " + regdb.errstring() + "\n");
		assert(ok);
	}

	ok = regdb.modify(sprintf("
dn: value=RefusePasswordChange,key=Parameters,key=Netlogon,key=Services,key=CurrentControlSet,key=System,HIVE=NONE
replace: type
type: 4
replace: data
data: %d
", samba3.policy.refuse_machine_password_change));
	if (!ok) {
		message("registry load failed: " + regdb.errstring() + "\n");
		assert(ok);
	}

	message("Importing users\n");
	for (var i in samba3.samaccounts) {
		var msg = "... " + samba3.samaccounts[i].username;
		var ldif = upgrade_sam_account(samdb,samba3.samaccounts[i],subobj.BASEDN,subobj.DOMAINSID);
		ok = samdb.add(ldif);
		if (!ok && samdb.errstring() != "Record exists") { 
			msg = msg + "... error: " + samdb.errstring();
			ret = ret + 1; 
		}
		message(msg + "\n");
	}

	message("Importing groups\n");
	for (var i in samba3.groupmappings) {
		var msg = "... " + samba3.groupmappings[i].nt_name;
		var ldif = upgrade_sam_group(samba3.groupmappings[i],subobj.BASEDN);
		if (ldif != undefined) {
			ok = samdb.add(ldif);
			if (!ok && samdb.errstring() != "Record exists") { 
				msg = msg + "... error: " + samdb.errstring();
				ret = ret + 1; 
			}
		}
		message(msg + "\n");
	}

	message("Importing registry data\n");
	var hives = new Array("hkcr","hkcu","hklm","hkpd","hku","hkpt"); 
	for (var i in hives) {
		var hn = hives[i];
		message("... " + hn + "\n");
		regdb = ldb_init();
		ok = regdb.connect(paths[hn]);
		assert(ok);
		var ldif = upgrade_registry(samba3.registry, hn, regdb);
		for (var j in ldif) {
			var msg = "... ... " + j;
			ok = regdb.add(ldif[j]);
			if (!ok && regdb.errstring() != "Record exists") { 
				msg = msg + "... error: " + regdb.errstring();
				ret = ret + 1; 
			}
			message(msg + "\n");
		}
	}


	message("Importing WINS data\n");
	var winsdb = ldb_init();
	ok = winsdb.connect(paths.winsdb);
	assert(ok);
	ldb_erase(winsdb);

	var ldif = upgrade_wins(samba3);
	ok = winsdb.add(ldif);
	assert(ok);

	// figure out ldapurl, if applicable
	var ldapurl = undefined;
	var pdb = samba3.configuration.get_list("passdb backend");
	if (pdb != undefined) {
		for (var b in pdb) {
			if (strlen(pdb[b]) >= 7) {
				if (substr(pdb[b], 0, 7) == "ldapsam") {
					ldapurl = substr(pdb[b], 8);
				}
			}
		}
	}

	// URL was not specified in passdb backend but ldap /is/ used
	if (ldapurl == "") {
		ldapurl = "ldap://" + samba3.configuration.get("ldap server");
	}

	// Enable samba3sam module if original passdb backend was ldap
	if (ldapurl != undefined) {
		message("Enabling Samba3 LDAP mappings for SAM database\n");

		ok = samdb.modify("
dn: @MODULES
changetype: modify
replace: @LIST
@LIST: samldb,operational,objectguid,rdn_name,samba3sam
");
		if (!ok) {
			message("Error enabling samba3sam module: " + samdb.errstring() + "\n");
			ret = ret + 1;
		}

		ok = samdb.add(sprintf("
dn: @MAP=samba3sam
@MAP_URL: %s", ldapurl));
		assert(ok);

	}

	return ret;
}

function upgrade_verify(subobj, samba3,paths,message)
{
	message("Verifying account policies\n");
	var samldb = ldb_init();
	var ne = 0;

	var ok = samldb.connect(paths.samdb);
	assert(ok);

	for (var i in samba3.samaccounts) {
		var msg = samldb.search("(&(sAMAccountName=" + samba3.samaccounts[i].nt_username + ")(objectclass=user))");
		assert(msg.length >= 1);
	}
	
	// FIXME
}