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source: vendor/3.5.7/source3/libnet/libnet_join.c

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Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago
Samba 3.5.0: Initial import
File size: 52.9 KB

Line
1	/*
2	* Unix SMB/CIFS implementation.
3	* libnet Join Support
4	* Copyright (C) Gerald (Jerry) Carter 2006
5	* Copyright (C) Guenther Deschner 2007-2008
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 3 of the License, or
10	* (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, see <http://www.gnu.org/licenses/>.
19	*/
20
21	#include "includes.h"
22	#include "libnet/libnet.h"
23	#include "libcli/auth/libcli_auth.h"
24	#include "../librpc/gen_ndr/cli_samr.h"
25	#include "../librpc/gen_ndr/cli_lsa.h"
26
27	/****************************************************************
28	****************************************************************/
29
30	#define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
31	do { \
32	char *str = NULL; \
33	str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
34	DEBUG(1,("libnet_Join:\n%s", str)); \
35	TALLOC_FREE(str); \
36	} while (0)
37
38	#define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
39	LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN \| NDR_SET_VALUES)
40	#define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
41	LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
42
43	#define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
44	do { \
45	char *str = NULL; \
46	str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
47	DEBUG(1,("libnet_Unjoin:\n%s", str)); \
48	TALLOC_FREE(str); \
49	} while (0)
50
51	#define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
52	LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN \| NDR_SET_VALUES)
53	#define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
54	LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
55
56	/****************************************************************
57	****************************************************************/
58
59	static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
60	struct libnet_JoinCtx *r,
61	const char *format, ...)
62	{
63	va_list args;
64
65	if (r->out.error_string) {
66	return;
67	}
68
69	va_start(args, format);
70	r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
71	va_end(args);
72	}
73
74	/****************************************************************
75	****************************************************************/
76
77	static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
78	struct libnet_UnjoinCtx *r,
79	const char *format, ...)
80	{
81	va_list args;
82
83	if (r->out.error_string) {
84	return;
85	}
86
87	va_start(args, format);
88	r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
89	va_end(args);
90	}
91
92	#ifdef WITH_ADS
93
94	/****************************************************************
95	****************************************************************/
96
97	static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
98	const char *netbios_domain_name,
99	const char *dc_name,
100	const char *user_name,
101	const char *password,
102	ADS_STRUCT **ads)
103	{
104	ADS_STATUS status;
105	ADS_STRUCT *my_ads = NULL;
106
107	my_ads = ads_init(dns_domain_name,
108	netbios_domain_name,
109	dc_name);
110	if (!my_ads) {
111	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
112	}
113
114	if (user_name) {
115	SAFE_FREE(my_ads->auth.user_name);
116	my_ads->auth.user_name = SMB_STRDUP(user_name);
117	}
118
119	if (password) {
120	SAFE_FREE(my_ads->auth.password);
121	my_ads->auth.password = SMB_STRDUP(password);
122	}
123
124	status = ads_connect_user_creds(my_ads);
125	if (!ADS_ERR_OK(status)) {
126	ads_destroy(&my_ads);
127	return status;
128	}
129
130	*ads = my_ads;
131	return ADS_SUCCESS;
132	}
133
134	/****************************************************************
135	****************************************************************/
136
137	static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
138	struct libnet_JoinCtx *r)
139	{
140	ADS_STATUS status;
141
142	status = libnet_connect_ads(r->out.dns_domain_name,
143	r->out.netbios_domain_name,
144	r->in.dc_name,
145	r->in.admin_account,
146	r->in.admin_password,
147	&r->in.ads);
148	if (!ADS_ERR_OK(status)) {
149	libnet_join_set_error_string(mem_ctx, r,
150	"failed to connect to AD: %s",
151	ads_errstr(status));
152	return status;
153	}
154
155	if (!r->out.netbios_domain_name) {
156	r->out.netbios_domain_name = talloc_strdup(mem_ctx,
157	r->in.ads->server.workgroup);
158	ADS_ERROR_HAVE_NO_MEMORY(r->out.netbios_domain_name);
159	}
160
161	if (!r->out.dns_domain_name) {
162	r->out.dns_domain_name = talloc_strdup(mem_ctx,
163	r->in.ads->config.realm);
164	ADS_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
165	}
166
167	r->out.domain_is_ad = true;
168
169	return ADS_SUCCESS;
170	}
171
172	/****************************************************************
173	****************************************************************/
174
175	static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
176	struct libnet_UnjoinCtx *r)
177	{
178	ADS_STATUS status;
179
180	status = libnet_connect_ads(r->in.domain_name,
181	r->in.domain_name,
182	r->in.dc_name,
183	r->in.admin_account,
184	r->in.admin_password,
185	&r->in.ads);
186	if (!ADS_ERR_OK(status)) {
187	libnet_unjoin_set_error_string(mem_ctx, r,
188	"failed to connect to AD: %s",
189	ads_errstr(status));
190	}
191
192	return status;
193	}
194
195	/****************************************************************
196	join a domain using ADS (LDAP mods)
197	****************************************************************/
198
199	static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
200	struct libnet_JoinCtx *r)
201	{
202	ADS_STATUS status;
203	LDAPMessage *res = NULL;
204	const char *attrs[] = { "dn", NULL };
205	bool moved = false;
206
207	status = ads_check_ou_dn(mem_ctx, r->in.ads, &r->in.account_ou);
208	if (!ADS_ERR_OK(status)) {
209	return status;
210	}
211
212	status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
213	if (!ADS_ERR_OK(status)) {
214	return status;
215	}
216
217	if (ads_count_replies(r->in.ads, res) != 1) {
218	ads_msgfree(r->in.ads, res);
219	return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
220	}
221
222	ads_msgfree(r->in.ads, res);
223
224	/* Attempt to create the machine account and bail if this fails.
225	Assume that the admin wants exactly what they requested */
226
227	status = ads_create_machine_acct(r->in.ads,
228	r->in.machine_name,
229	r->in.account_ou);
230
231	if (ADS_ERR_OK(status)) {
232	DEBUG(1,("machine account creation created\n"));
233	return status;
234	} else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
235	(status.err.rc == LDAP_ALREADY_EXISTS)) {
236	status = ADS_SUCCESS;
237	}
238
239	if (!ADS_ERR_OK(status)) {
240	DEBUG(1,("machine account creation failed\n"));
241	return status;
242	}
243
244	status = ads_move_machine_acct(r->in.ads,
245	r->in.machine_name,
246	r->in.account_ou,
247	&moved);
248	if (!ADS_ERR_OK(status)) {
249	DEBUG(1,("failure to locate/move pre-existing "
250	"machine account\n"));
251	return status;
252	}
253
254	DEBUG(1,("The machine account %s the specified OU.\n",
255	moved ? "was moved into" : "already exists in"));
256
257	return status;
258	}
259
260	/****************************************************************
261	****************************************************************/
262
263	static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
264	struct libnet_UnjoinCtx *r)
265	{
266	ADS_STATUS status;
267
268	if (!r->in.ads) {
269	status = libnet_unjoin_connect_ads(mem_ctx, r);
270	if (!ADS_ERR_OK(status)) {
271	libnet_unjoin_set_error_string(mem_ctx, r,
272	"failed to connect to AD: %s",
273	ads_errstr(status));
274	return status;
275	}
276	}
277
278	status = ads_leave_realm(r->in.ads, r->in.machine_name);
279	if (!ADS_ERR_OK(status)) {
280	libnet_unjoin_set_error_string(mem_ctx, r,
281	"failed to leave realm: %s",
282	ads_errstr(status));
283	return status;
284	}
285
286	return ADS_SUCCESS;
287	}
288
289	/****************************************************************
290	****************************************************************/
291
292	static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
293	struct libnet_JoinCtx *r)
294	{
295	ADS_STATUS status;
296	LDAPMessage *res = NULL;
297	char *dn = NULL;
298
299	if (!r->in.machine_name) {
300	return ADS_ERROR(LDAP_NO_MEMORY);
301	}
302
303	status = ads_find_machine_acct(r->in.ads,
304	&res,
305	r->in.machine_name);
306	if (!ADS_ERR_OK(status)) {
307	return status;
308	}
309
310	if (ads_count_replies(r->in.ads, res) != 1) {
311	status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
312	goto done;
313	}
314
315	dn = ads_get_dn(r->in.ads, mem_ctx, res);
316	if (!dn) {
317	status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
318	goto done;
319	}
320
321	r->out.dn = talloc_strdup(mem_ctx, dn);
322	if (!r->out.dn) {
323	status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
324	goto done;
325	}
326
327	done:
328	ads_msgfree(r->in.ads, res);
329	TALLOC_FREE(dn);
330
331	return status;
332	}
333
334	/****************************************************************
335	Set a machines dNSHostName and servicePrincipalName attributes
336	****************************************************************/
337
338	static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
339	struct libnet_JoinCtx *r)
340	{
341	ADS_STATUS status;
342	ADS_MODLIST mods;
343	fstring my_fqdn;
344	const char *spn_array[3] = {NULL, NULL, NULL};
345	char *spn = NULL;
346
347	/* Find our DN */
348
349	status = libnet_join_find_machine_acct(mem_ctx, r);
350	if (!ADS_ERR_OK(status)) {
351	return status;
352	}
353
354	/* Windows only creates HOST/shortname & HOST/fqdn. */
355
356	spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
357	if (!spn) {
358	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
359	}
360	strupper_m(spn);
361	spn_array[0] = spn;
362
363	if (!name_to_fqdn(my_fqdn, r->in.machine_name)
364	\|\| (strchr(my_fqdn, '.') == NULL)) {
365	fstr_sprintf(my_fqdn, "%s.%s", r->in.machine_name,
366	r->out.dns_domain_name);
367	}
368
369	strlower_m(my_fqdn);
370
371	if (!strequal(my_fqdn, r->in.machine_name)) {
372	spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
373	if (!spn) {
374	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
375	}
376	spn_array[1] = spn;
377	}
378
379	mods = ads_init_mods(mem_ctx);
380	if (!mods) {
381	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
382	}
383
384	/* fields of primary importance */
385
386	status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
387	if (!ADS_ERR_OK(status)) {
388	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
389	}
390
391	status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
392	spn_array);
393	if (!ADS_ERR_OK(status)) {
394	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
395	}
396
397	return ads_gen_mod(r->in.ads, r->out.dn, mods);
398	}
399
400	/****************************************************************
401	****************************************************************/
402
403	static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
404	struct libnet_JoinCtx *r)
405	{
406	ADS_STATUS status;
407	ADS_MODLIST mods;
408
409	if (!r->in.create_upn) {
410	return ADS_SUCCESS;
411	}
412
413	/* Find our DN */
414
415	status = libnet_join_find_machine_acct(mem_ctx, r);
416	if (!ADS_ERR_OK(status)) {
417	return status;
418	}
419
420	if (!r->in.upn) {
421	r->in.upn = talloc_asprintf(mem_ctx,
422	"host/%s@%s",
423	r->in.machine_name,
424	r->out.dns_domain_name);
425	if (!r->in.upn) {
426	return ADS_ERROR(LDAP_NO_MEMORY);
427	}
428	}
429
430	/* now do the mods */
431
432	mods = ads_init_mods(mem_ctx);
433	if (!mods) {
434	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
435	}
436
437	/* fields of primary importance */
438
439	status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
440	if (!ADS_ERR_OK(status)) {
441	return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
442	}
443
444	return ads_gen_mod(r->in.ads, r->out.dn, mods);
445	}
446
447
448	/****************************************************************
449	****************************************************************/
450
451	static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
452	struct libnet_JoinCtx *r)
453	{
454	ADS_STATUS status;
455	ADS_MODLIST mods;
456	char *os_sp = NULL;
457
458	if (!r->in.os_name \|\| !r->in.os_version ) {
459	return ADS_SUCCESS;
460	}
461
462	/* Find our DN */
463
464	status = libnet_join_find_machine_acct(mem_ctx, r);
465	if (!ADS_ERR_OK(status)) {
466	return status;
467	}
468
469	/* now do the mods */
470
471	mods = ads_init_mods(mem_ctx);
472	if (!mods) {
473	return ADS_ERROR(LDAP_NO_MEMORY);
474	}
475
476	os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
477	if (!os_sp) {
478	return ADS_ERROR(LDAP_NO_MEMORY);
479	}
480
481	/* fields of primary importance */
482
483	status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
484	r->in.os_name);
485	if (!ADS_ERR_OK(status)) {
486	return status;
487	}
488
489	status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
490	r->in.os_version);
491	if (!ADS_ERR_OK(status)) {
492	return status;
493	}
494
495	status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
496	os_sp);
497	if (!ADS_ERR_OK(status)) {
498	return status;
499	}
500
501	return ads_gen_mod(r->in.ads, r->out.dn, mods);
502	}
503
504	/****************************************************************
505	****************************************************************/
506
507	static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
508	struct libnet_JoinCtx *r)
509	{
510	if (!USE_SYSTEM_KEYTAB) {
511	return true;
512	}
513
514	if (ads_keytab_create_default(r->in.ads) != 0) {
515	return false;
516	}
517
518	return true;
519	}
520
521	/****************************************************************
522	****************************************************************/
523
524	static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
525	struct libnet_JoinCtx *r)
526	{
527	uint32_t domain_func;
528	ADS_STATUS status;
529	const char *salt = NULL;
530	char *std_salt = NULL;
531
532	status = ads_domain_func_level(r->in.ads, &domain_func);
533	if (!ADS_ERR_OK(status)) {
534	libnet_join_set_error_string(mem_ctx, r,
535	"failed to determine domain functional level: %s",
536	ads_errstr(status));
537	return false;
538	}
539
540	/* go ahead and setup the default salt */
541
542	std_salt = kerberos_standard_des_salt();
543	if (!std_salt) {
544	libnet_join_set_error_string(mem_ctx, r,
545	"failed to obtain standard DES salt");
546	return false;
547	}
548
549	salt = talloc_strdup(mem_ctx, std_salt);
550	if (!salt) {
551	return false;
552	}
553
554	SAFE_FREE(std_salt);
555
556	/* if it's a Windows functional domain, we have to look for the UPN */
557
558	if (domain_func == DS_DOMAIN_FUNCTION_2000) {
559	char *upn;
560
561	upn = ads_get_upn(r->in.ads, mem_ctx,
562	r->in.machine_name);
563	if (upn) {
564	salt = talloc_strdup(mem_ctx, upn);
565	if (!salt) {
566	return false;
567	}
568	}
569	}
570
571	return kerberos_secrets_store_des_salt(salt);
572	}
573
574	/****************************************************************
575	****************************************************************/
576
577	static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
578	struct libnet_JoinCtx *r)
579	{
580	ADS_STATUS status;
581
582	if (!r->in.ads) {
583	status = libnet_join_connect_ads(mem_ctx, r);
584	if (!ADS_ERR_OK(status)) {
585	return status;
586	}
587	}
588
589	status = libnet_join_set_machine_spn(mem_ctx, r);
590	if (!ADS_ERR_OK(status)) {
591	libnet_join_set_error_string(mem_ctx, r,
592	"failed to set machine spn: %s",
593	ads_errstr(status));
594	return status;
595	}
596
597	status = libnet_join_set_os_attributes(mem_ctx, r);
598	if (!ADS_ERR_OK(status)) {
599	libnet_join_set_error_string(mem_ctx, r,
600	"failed to set machine os attributes: %s",
601	ads_errstr(status));
602	return status;
603	}
604
605	status = libnet_join_set_machine_upn(mem_ctx, r);
606	if (!ADS_ERR_OK(status)) {
607	libnet_join_set_error_string(mem_ctx, r,
608	"failed to set machine upn: %s",
609	ads_errstr(status));
610	return status;
611	}
612
613	if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
614	return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
615	}
616
617	if (!libnet_join_create_keytab(mem_ctx, r)) {
618	libnet_join_set_error_string(mem_ctx, r,
619	"failed to create kerberos keytab");
620	return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
621	}
622
623	return ADS_SUCCESS;
624	}
625	#endif /* WITH_ADS */
626
627	/****************************************************************
628	Store the machine password and domain SID
629	****************************************************************/
630
631	static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
632	struct libnet_JoinCtx *r)
633	{
634	if (!secrets_store_domain_sid(r->out.netbios_domain_name,
635	r->out.domain_sid))
636	{
637	DEBUG(1,("Failed to save domain sid\n"));
638	return false;
639	}
640
641	if (!secrets_store_machine_password(r->in.machine_password,
642	r->out.netbios_domain_name,
643	r->in.secure_channel_type))
644	{
645	DEBUG(1,("Failed to save machine password\n"));
646	return false;
647	}
648
649	return true;
650	}
651
652	/****************************************************************
653	Connect dc's IPC$ share
654	****************************************************************/
655
656	static NTSTATUS libnet_join_connect_dc_ipc(const char *dc,
657	const char *user,
658	const char *pass,
659	bool use_kerberos,
660	struct cli_state **cli)
661	{
662	int flags = 0;
663
664	if (use_kerberos) {
665	flags \|= CLI_FULL_CONNECTION_USE_KERBEROS;
666	}
667
668	if (use_kerberos && pass) {
669	flags \|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
670	}
671
672	return cli_full_connection(cli, NULL,
673	dc,
674	NULL, 0,
675	"IPC$", "IPC",
676	user,
677	NULL,
678	pass,
679	flags,
680	Undefined, NULL);
681	}
682
683	/****************************************************************
684	Lookup domain dc's info
685	****************************************************************/
686
687	static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
688	struct libnet_JoinCtx *r,
689	struct cli_state **cli)
690	{
691	struct rpc_pipe_client *pipe_hnd = NULL;
692	struct policy_handle lsa_pol;
693	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
694	union lsa_PolicyInformation *info = NULL;
695
696	status = libnet_join_connect_dc_ipc(r->in.dc_name,
697	r->in.admin_account,
698	r->in.admin_password,
699	r->in.use_kerberos,
700	cli);
701	if (!NT_STATUS_IS_OK(status)) {
702	goto done;
703	}
704
705	status = cli_rpc_pipe_open_noauth(*cli, &ndr_table_lsarpc.syntax_id,
706	&pipe_hnd);
707	if (!NT_STATUS_IS_OK(status)) {
708	DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
709	nt_errstr(status)));
710	goto done;
711	}
712
713	status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
714	SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
715	if (!NT_STATUS_IS_OK(status)) {
716	goto done;
717	}
718
719	status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
720	&lsa_pol,
721	LSA_POLICY_INFO_DNS,
722	&info);
723	if (NT_STATUS_IS_OK(status)) {
724	r->out.domain_is_ad = true;
725	r->out.netbios_domain_name = info->dns.name.string;
726	r->out.dns_domain_name = info->dns.dns_domain.string;
727	r->out.forest_name = info->dns.dns_forest.string;
728	r->out.domain_sid = sid_dup_talloc(mem_ctx, info->dns.sid);
729	NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
730	}
731
732	if (!NT_STATUS_IS_OK(status)) {
733	status = rpccli_lsa_QueryInfoPolicy(pipe_hnd, mem_ctx,
734	&lsa_pol,
735	LSA_POLICY_INFO_ACCOUNT_DOMAIN,
736	&info);
737	if (!NT_STATUS_IS_OK(status)) {
738	goto done;
739	}
740
741	r->out.netbios_domain_name = info->account_domain.name.string;
742	r->out.domain_sid = sid_dup_talloc(mem_ctx, info->account_domain.sid);
743	NT_STATUS_HAVE_NO_MEMORY(r->out.domain_sid);
744	}
745
746	rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
747	TALLOC_FREE(pipe_hnd);
748
749	done:
750	return status;
751	}
752
753	/****************************************************************
754	Do the domain join unsecure
755	****************************************************************/
756
757	static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
758	struct libnet_JoinCtx *r,
759	struct cli_state *cli)
760	{
761	struct rpc_pipe_client *pipe_hnd = NULL;
762	unsigned char orig_trust_passwd_hash[16];
763	unsigned char new_trust_passwd_hash[16];
764	fstring trust_passwd;
765	NTSTATUS status;
766
767	status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
768	&pipe_hnd);
769	if (!NT_STATUS_IS_OK(status)) {
770	return status;
771	}
772
773	if (!r->in.machine_password) {
774	r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
775	NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
776	}
777
778	E_md4hash(r->in.machine_password, new_trust_passwd_hash);
779
780	/* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
781	fstrcpy(trust_passwd, r->in.admin_password);
782	strlower_m(trust_passwd);
783
784	/*
785	* Machine names can be 15 characters, but the max length on
786	* a password is 14. --jerry
787	*/
788
789	trust_passwd[14] = '\0';
790
791	E_md4hash(trust_passwd, orig_trust_passwd_hash);
792
793	status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
794	r->in.machine_name,
795	orig_trust_passwd_hash,
796	r->in.machine_password,
797	new_trust_passwd_hash,
798	r->in.secure_channel_type);
799
800	return status;
801	}
802
803	/****************************************************************
804	Do the domain join
805	****************************************************************/
806
807	static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
808	struct libnet_JoinCtx *r,
809	struct cli_state *cli)
810	{
811	struct rpc_pipe_client *pipe_hnd = NULL;
812	struct policy_handle sam_pol, domain_pol, user_pol;
813	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
814	char *acct_name;
815	struct lsa_String lsa_acct_name;
816	uint32_t user_rid;
817	uint32_t acct_flags = ACB_WSTRUST;
818	struct samr_Ids user_rids;
819	struct samr_Ids name_types;
820	union samr_UserInfo user_info;
821
822	struct samr_CryptPassword crypt_pwd;
823	struct samr_CryptPasswordEx crypt_pwd_ex;
824
825	ZERO_STRUCT(sam_pol);
826	ZERO_STRUCT(domain_pol);
827	ZERO_STRUCT(user_pol);
828
829	switch (r->in.secure_channel_type) {
830	case SEC_CHAN_WKSTA:
831	acct_flags = ACB_WSTRUST;
832	break;
833	case SEC_CHAN_BDC:
834	acct_flags = ACB_SVRTRUST;
835	break;
836	default:
837	return NT_STATUS_INVALID_PARAMETER;
838	}
839
840	if (!r->in.machine_password) {
841	r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
842	NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
843	}
844
845	/* Open the domain */
846
847	status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
848	&pipe_hnd);
849	if (!NT_STATUS_IS_OK(status)) {
850	DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
851	nt_errstr(status)));
852	goto done;
853	}
854
855	status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
856	pipe_hnd->desthost,
857	SAMR_ACCESS_ENUM_DOMAINS
858	\| SAMR_ACCESS_LOOKUP_DOMAIN,
859	&sam_pol);
860	if (!NT_STATUS_IS_OK(status)) {
861	goto done;
862	}
863
864	status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
865	&sam_pol,
866	SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
867	\| SAMR_DOMAIN_ACCESS_CREATE_USER
868	\| SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
869	r->out.domain_sid,
870	&domain_pol);
871	if (!NT_STATUS_IS_OK(status)) {
872	goto done;
873	}
874
875	/* Create domain user */
876
877	acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
878	strlower_m(acct_name);
879
880	init_lsa_String(&lsa_acct_name, acct_name);
881
882	if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
883	uint32_t access_desired =
884	SEC_GENERIC_READ \| SEC_GENERIC_WRITE \| SEC_GENERIC_EXECUTE \|
885	SEC_STD_WRITE_DAC \| SEC_STD_DELETE \|
886	SAMR_USER_ACCESS_SET_PASSWORD \|
887	SAMR_USER_ACCESS_GET_ATTRIBUTES \|
888	SAMR_USER_ACCESS_SET_ATTRIBUTES;
889	uint32_t access_granted = 0;
890
891	DEBUG(10,("Creating account with desired access mask: %d\n",
892	access_desired));
893
894	status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
895	&domain_pol,
896	&lsa_acct_name,
897	acct_flags,
898	access_desired,
899	&user_pol,
900	&access_granted,
901	&user_rid);
902	if (!NT_STATUS_IS_OK(status) &&
903	!NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
904
905	DEBUG(10,("Creation of workstation account failed: %s\n",
906	nt_errstr(status)));
907
908	/* If NT_STATUS_ACCESS_DENIED then we have a valid
909	username/password combo but the user does not have
910	administrator access. */
911
912	if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
913	libnet_join_set_error_string(mem_ctx, r,
914	"User specified does not have "
915	"administrator privileges");
916	}
917
918	goto done;
919	}
920
921	if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
922	if (!(r->in.join_flags &
923	WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
924	goto done;
925	}
926	}
927
928	/* We must do this.... don't ask... */
929
930	if (NT_STATUS_IS_OK(status)) {
931	rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
932	}
933	}
934
935	status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
936	&domain_pol,
937	1,
938	&lsa_acct_name,
939	&user_rids,
940	&name_types);
941	if (!NT_STATUS_IS_OK(status)) {
942	goto done;
943	}
944
945	if (name_types.ids[0] != SID_NAME_USER) {
946	DEBUG(0,("%s is not a user account (type=%d)\n",
947	acct_name, name_types.ids[0]));
948	status = NT_STATUS_INVALID_WORKSTATION;
949	goto done;
950	}
951
952	user_rid = user_rids.ids[0];
953
954	/* Open handle on user */
955
956	status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
957	&domain_pol,
958	SEC_FLAG_MAXIMUM_ALLOWED,
959	user_rid,
960	&user_pol);
961	if (!NT_STATUS_IS_OK(status)) {
962	goto done;
963	}
964
965	/* Fill in the additional account flags now */
966
967	acct_flags \|= ACB_PWNOEXP;
968	if (r->out.domain_is_ad) {
969	#if !defined(ENCTYPE_ARCFOUR_HMAC)
970	acct_flags \|= ACB_USE_DES_KEY_ONLY;
971	#endif
972	;;
973	}
974
975	/* Set account flags on machine account */
976	ZERO_STRUCT(user_info.info16);
977	user_info.info16.acct_flags = acct_flags;
978
979	status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
980	&user_pol,
981	16,
982	&user_info);
983
984	if (!NT_STATUS_IS_OK(status)) {
985
986	rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
987	&user_pol);
988
989	libnet_join_set_error_string(mem_ctx, r,
990	"Failed to set account flags for machine account (%s)\n",
991	nt_errstr(status));
992	goto done;
993	}
994
995	/* Set password on machine account - first try level 26 */
996
997	init_samr_CryptPasswordEx(r->in.machine_password,
998	&cli->user_session_key,
999	&crypt_pwd_ex);
1000
1001	user_info.info26.password = crypt_pwd_ex;
1002	user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1003
1004	status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
1005	&user_pol,
1006	26,
1007	&user_info);
1008
1009	if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
1010
1011	/* retry with level 24 */
1012
1013	init_samr_CryptPassword(r->in.machine_password,
1014	&cli->user_session_key,
1015	&crypt_pwd);
1016
1017	user_info.info24.password = crypt_pwd;
1018	user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
1019
1020	status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
1021	&user_pol,
1022	24,
1023	&user_info);
1024	}
1025
1026	if (!NT_STATUS_IS_OK(status)) {
1027
1028	rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
1029	&user_pol);
1030
1031	libnet_join_set_error_string(mem_ctx, r,
1032	"Failed to set password for machine account (%s)\n",
1033	nt_errstr(status));
1034	goto done;
1035	}
1036
1037	status = NT_STATUS_OK;
1038
1039	done:
1040	if (!pipe_hnd) {
1041	return status;
1042	}
1043
1044	if (is_valid_policy_hnd(&sam_pol)) {
1045	rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1046	}
1047	if (is_valid_policy_hnd(&domain_pol)) {
1048	rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1049	}
1050	if (is_valid_policy_hnd(&user_pol)) {
1051	rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1052	}
1053	TALLOC_FREE(pipe_hnd);
1054
1055	return status;
1056	}
1057
1058	/****************************************************************
1059	****************************************************************/
1060
1061	NTSTATUS libnet_join_ok(const char *netbios_domain_name,
1062	const char *machine_name,
1063	const char *dc_name)
1064	{
1065	uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
1066	struct cli_state *cli = NULL;
1067	struct rpc_pipe_client *pipe_hnd = NULL;
1068	struct rpc_pipe_client *netlogon_pipe = NULL;
1069	NTSTATUS status;
1070	char *machine_password = NULL;
1071	char *machine_account = NULL;
1072
1073	if (!dc_name) {
1074	return NT_STATUS_INVALID_PARAMETER;
1075	}
1076
1077	if (!secrets_init()) {
1078	return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1079	}
1080
1081	machine_password = secrets_fetch_machine_password(netbios_domain_name,
1082	NULL, NULL);
1083	if (!machine_password) {
1084	return NT_STATUS_NO_TRUST_LSA_SECRET;
1085	}
1086
1087	if (asprintf(&machine_account, "%s$", machine_name) == -1) {
1088	SAFE_FREE(machine_password);
1089	return NT_STATUS_NO_MEMORY;
1090	}
1091
1092	status = cli_full_connection(&cli, NULL,
1093	dc_name,
1094	NULL, 0,
1095	"IPC$", "IPC",
1096	machine_account,
1097	NULL,
1098	machine_password,
1099	0,
1100	Undefined, NULL);
1101	free(machine_account);
1102	free(machine_password);
1103
1104	if (!NT_STATUS_IS_OK(status)) {
1105	status = cli_full_connection(&cli, NULL,
1106	dc_name,
1107	NULL, 0,
1108	"IPC$", "IPC",
1109	"",
1110	NULL,
1111	"",
1112	0,
1113	Undefined, NULL);
1114	}
1115
1116	if (!NT_STATUS_IS_OK(status)) {
1117	return status;
1118	}
1119
1120	status = get_schannel_session_key(cli, netbios_domain_name,
1121	&neg_flags, &netlogon_pipe);
1122	if (!NT_STATUS_IS_OK(status)) {
1123	if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
1124	cli_shutdown(cli);
1125	return NT_STATUS_OK;
1126	}
1127
1128	DEBUG(0,("libnet_join_ok: failed to get schannel session "
1129	"key from server %s for domain %s. Error was %s\n",
1130	cli->desthost, netbios_domain_name, nt_errstr(status)));
1131	cli_shutdown(cli);
1132	return status;
1133	}
1134
1135	if (!lp_client_schannel()) {
1136	cli_shutdown(cli);
1137	return NT_STATUS_OK;
1138	}
1139
1140	status = cli_rpc_pipe_open_schannel_with_key(
1141	cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
1142	DCERPC_AUTH_LEVEL_PRIVACY,
1143	netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
1144
1145	cli_shutdown(cli);
1146
1147	if (!NT_STATUS_IS_OK(status)) {
1148	DEBUG(0,("libnet_join_ok: failed to open schannel session "
1149	"on netlogon pipe to server %s for domain %s. "
1150	"Error was %s\n",
1151	cli->desthost, netbios_domain_name, nt_errstr(status)));
1152	return status;
1153	}
1154
1155	return NT_STATUS_OK;
1156	}
1157
1158	/****************************************************************
1159	****************************************************************/
1160
1161	static WERROR libnet_join_post_verify(TALLOC_CTX *mem_ctx,
1162	struct libnet_JoinCtx *r)
1163	{
1164	NTSTATUS status;
1165
1166	status = libnet_join_ok(r->out.netbios_domain_name,
1167	r->in.machine_name,
1168	r->in.dc_name);
1169	if (!NT_STATUS_IS_OK(status)) {
1170	libnet_join_set_error_string(mem_ctx, r,
1171	"failed to verify domain membership after joining: %s",
1172	get_friendly_nt_error_msg(status));
1173	return WERR_SETUP_NOT_JOINED;
1174	}
1175
1176	return WERR_OK;
1177	}
1178
1179	/****************************************************************
1180	****************************************************************/
1181
1182	static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
1183	struct libnet_UnjoinCtx *r)
1184	{
1185	if (!secrets_delete_machine_password_ex(lp_workgroup())) {
1186	return false;
1187	}
1188
1189	if (!secrets_delete_domain_sid(lp_workgroup())) {
1190	return false;
1191	}
1192
1193	return true;
1194	}
1195
1196	/****************************************************************
1197	****************************************************************/
1198
1199	static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
1200	struct libnet_UnjoinCtx *r)
1201	{
1202	struct cli_state *cli = NULL;
1203	struct rpc_pipe_client *pipe_hnd = NULL;
1204	struct policy_handle sam_pol, domain_pol, user_pol;
1205	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
1206	char *acct_name;
1207	uint32_t user_rid;
1208	struct lsa_String lsa_acct_name;
1209	struct samr_Ids user_rids;
1210	struct samr_Ids name_types;
1211	union samr_UserInfo *info = NULL;
1212
1213	ZERO_STRUCT(sam_pol);
1214	ZERO_STRUCT(domain_pol);
1215	ZERO_STRUCT(user_pol);
1216
1217	status = libnet_join_connect_dc_ipc(r->in.dc_name,
1218	r->in.admin_account,
1219	r->in.admin_password,
1220	r->in.use_kerberos,
1221	&cli);
1222	if (!NT_STATUS_IS_OK(status)) {
1223	goto done;
1224	}
1225
1226	/* Open the domain */
1227
1228	status = cli_rpc_pipe_open_noauth(cli, &ndr_table_samr.syntax_id,
1229	&pipe_hnd);
1230	if (!NT_STATUS_IS_OK(status)) {
1231	DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
1232	nt_errstr(status)));
1233	goto done;
1234	}
1235
1236	status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
1237	pipe_hnd->desthost,
1238	SEC_FLAG_MAXIMUM_ALLOWED,
1239	&sam_pol);
1240	if (!NT_STATUS_IS_OK(status)) {
1241	goto done;
1242	}
1243
1244	status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
1245	&sam_pol,
1246	SEC_FLAG_MAXIMUM_ALLOWED,
1247	r->in.domain_sid,
1248	&domain_pol);
1249	if (!NT_STATUS_IS_OK(status)) {
1250	goto done;
1251	}
1252
1253	/* Create domain user */
1254
1255	acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
1256	strlower_m(acct_name);
1257
1258	init_lsa_String(&lsa_acct_name, acct_name);
1259
1260	status = rpccli_samr_LookupNames(pipe_hnd, mem_ctx,
1261	&domain_pol,
1262	1,
1263	&lsa_acct_name,
1264	&user_rids,
1265	&name_types);
1266
1267	if (!NT_STATUS_IS_OK(status)) {
1268	goto done;
1269	}
1270
1271	if (name_types.ids[0] != SID_NAME_USER) {
1272	DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
1273	name_types.ids[0]));
1274	status = NT_STATUS_INVALID_WORKSTATION;
1275	goto done;
1276	}
1277
1278	user_rid = user_rids.ids[0];
1279
1280	/* Open handle on user */
1281
1282	status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
1283	&domain_pol,
1284	SEC_FLAG_MAXIMUM_ALLOWED,
1285	user_rid,
1286	&user_pol);
1287	if (!NT_STATUS_IS_OK(status)) {
1288	goto done;
1289	}
1290
1291	/* Get user info */
1292
1293	status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
1294	&user_pol,
1295	16,
1296	&info);
1297	if (!NT_STATUS_IS_OK(status)) {
1298	rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1299	goto done;
1300	}
1301
1302	/* now disable and setuser info */
1303
1304	info->info16.acct_flags \|= ACB_DISABLED;
1305
1306	status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
1307	&user_pol,
1308	16,
1309	info);
1310
1311	rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
1312
1313	done:
1314	if (pipe_hnd) {
1315	if (is_valid_policy_hnd(&domain_pol)) {
1316	rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
1317	}
1318	if (is_valid_policy_hnd(&sam_pol)) {
1319	rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
1320	}
1321	TALLOC_FREE(pipe_hnd);
1322	}
1323
1324	if (cli) {
1325	cli_shutdown(cli);
1326	}
1327
1328	return status;
1329	}
1330
1331	/****************************************************************
1332	****************************************************************/
1333
1334	static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
1335	{
1336	WERROR werr;
1337	struct smbconf_ctx *ctx;
1338
1339	werr = smbconf_init_reg(r, &ctx, NULL);
1340	if (!W_ERROR_IS_OK(werr)) {
1341	goto done;
1342	}
1343
1344	if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1345
1346	werr = smbconf_set_global_parameter(ctx, "security", "user");
1347	W_ERROR_NOT_OK_GOTO_DONE(werr);
1348
1349	werr = smbconf_set_global_parameter(ctx, "workgroup",
1350	r->in.domain_name);
1351
1352	smbconf_delete_global_parameter(ctx, "realm");
1353	goto done;
1354	}
1355
1356	werr = smbconf_set_global_parameter(ctx, "security", "domain");
1357	W_ERROR_NOT_OK_GOTO_DONE(werr);
1358
1359	werr = smbconf_set_global_parameter(ctx, "workgroup",
1360	r->out.netbios_domain_name);
1361	W_ERROR_NOT_OK_GOTO_DONE(werr);
1362
1363	if (r->out.domain_is_ad) {
1364	werr = smbconf_set_global_parameter(ctx, "security", "ads");
1365	W_ERROR_NOT_OK_GOTO_DONE(werr);
1366
1367	werr = smbconf_set_global_parameter(ctx, "realm",
1368	r->out.dns_domain_name);
1369	W_ERROR_NOT_OK_GOTO_DONE(werr);
1370	}
1371
1372	done:
1373	smbconf_shutdown(ctx);
1374	return werr;
1375	}
1376
1377	/****************************************************************
1378	****************************************************************/
1379
1380	static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
1381	{
1382	WERROR werr = WERR_OK;
1383	struct smbconf_ctx *ctx;
1384
1385	werr = smbconf_init_reg(r, &ctx, NULL);
1386	if (!W_ERROR_IS_OK(werr)) {
1387	goto done;
1388	}
1389
1390	if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1391
1392	werr = smbconf_set_global_parameter(ctx, "security", "user");
1393	W_ERROR_NOT_OK_GOTO_DONE(werr);
1394
1395	werr = smbconf_delete_global_parameter(ctx, "workgroup");
1396	W_ERROR_NOT_OK_GOTO_DONE(werr);
1397
1398	smbconf_delete_global_parameter(ctx, "realm");
1399	}
1400
1401	done:
1402	smbconf_shutdown(ctx);
1403	return werr;
1404	}
1405
1406	/****************************************************************
1407	****************************************************************/
1408
1409	static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
1410	{
1411	WERROR werr;
1412
1413	if (!W_ERROR_IS_OK(r->out.result)) {
1414	return r->out.result;
1415	}
1416
1417	if (!r->in.modify_config) {
1418	return WERR_OK;
1419	}
1420
1421	werr = do_join_modify_vals_config(r);
1422	if (!W_ERROR_IS_OK(werr)) {
1423	return werr;
1424	}
1425
1426	lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1427
1428	r->out.modified_config = true;
1429	r->out.result = werr;
1430
1431	return werr;
1432	}
1433
1434	/****************************************************************
1435	****************************************************************/
1436
1437	static WERROR libnet_unjoin_config(struct libnet_UnjoinCtx *r)
1438	{
1439	WERROR werr;
1440
1441	if (!W_ERROR_IS_OK(r->out.result)) {
1442	return r->out.result;
1443	}
1444
1445	if (!r->in.modify_config) {
1446	return WERR_OK;
1447	}
1448
1449	werr = do_unjoin_modify_vals_config(r);
1450	if (!W_ERROR_IS_OK(werr)) {
1451	return werr;
1452	}
1453
1454	lp_load(get_dyn_CONFIGFILE(),true,false,false,true);
1455
1456	r->out.modified_config = true;
1457	r->out.result = werr;
1458
1459	return werr;
1460	}
1461
1462	/****************************************************************
1463	****************************************************************/
1464
1465	static bool libnet_parse_domain_dc(TALLOC_CTX *mem_ctx,
1466	const char *domain_str,
1467	const char **domain_p,
1468	const char **dc_p)
1469	{
1470	char *domain = NULL;
1471	char *dc = NULL;
1472	const char *p = NULL;
1473
1474	if (!domain_str \|\| !domain_p \|\| !dc_p) {
1475	return false;
1476	}
1477
1478	p = strchr_m(domain_str, '\\');
1479
1480	if (p != NULL) {
1481	domain = talloc_strndup(mem_ctx, domain_str,
1482	PTR_DIFF(p, domain_str));
1483	dc = talloc_strdup(mem_ctx, p+1);
1484	if (!dc) {
1485	return false;
1486	}
1487	} else {
1488	domain = talloc_strdup(mem_ctx, domain_str);
1489	dc = NULL;
1490	}
1491	if (!domain) {
1492	return false;
1493	}
1494
1495	*domain_p = domain;
1496
1497	if (!*dc_p && dc) {
1498	*dc_p = dc;
1499	}
1500
1501	return true;
1502	}
1503
1504	/****************************************************************
1505	****************************************************************/
1506
1507	static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1508	struct libnet_JoinCtx *r)
1509	{
1510	if (!r->in.domain_name) {
1511	libnet_join_set_error_string(mem_ctx, r,
1512	"No domain name defined");
1513	return WERR_INVALID_PARAM;
1514	}
1515
1516	if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
1517	&r->in.domain_name,
1518	&r->in.dc_name)) {
1519	libnet_join_set_error_string(mem_ctx, r,
1520	"Failed to parse domain name");
1521	return WERR_INVALID_PARAM;
1522	}
1523
1524	if (IS_DC) {
1525	return WERR_SETUP_DOMAIN_CONTROLLER;
1526	}
1527
1528	if (!secrets_init()) {
1529	libnet_join_set_error_string(mem_ctx, r,
1530	"Unable to open secrets database");
1531	return WERR_CAN_NOT_COMPLETE;
1532	}
1533
1534	return WERR_OK;
1535	}
1536
1537	/****************************************************************
1538	****************************************************************/
1539
1540	static void libnet_join_add_dom_rids_to_builtins(struct dom_sid *domain_sid)
1541	{
1542	NTSTATUS status;
1543
1544	/* Try adding dom admins to builtin\admins. Only log failures. */
1545	status = create_builtin_administrators(domain_sid);
1546	if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1547	DEBUG(10,("Unable to auto-add domain administrators to "
1548	"BUILTIN\\Administrators during join because "
1549	"winbindd must be running."));
1550	} else if (!NT_STATUS_IS_OK(status)) {
1551	DEBUG(5, ("Failed to auto-add domain administrators to "
1552	"BUILTIN\\Administrators during join: %s\n",
1553	nt_errstr(status)));
1554	}
1555
1556	/* Try adding dom users to builtin\users. Only log failures. */
1557	status = create_builtin_users(domain_sid);
1558	if (NT_STATUS_EQUAL(status, NT_STATUS_PROTOCOL_UNREACHABLE)) {
1559	DEBUG(10,("Unable to auto-add domain users to BUILTIN\\users "
1560	"during join because winbindd must be running."));
1561	} else if (!NT_STATUS_IS_OK(status)) {
1562	DEBUG(5, ("Failed to auto-add domain administrators to "
1563	"BUILTIN\\Administrators during join: %s\n",
1564	nt_errstr(status)));
1565	}
1566	}
1567
1568	/****************************************************************
1569	****************************************************************/
1570
1571	static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1572	struct libnet_JoinCtx *r)
1573	{
1574	WERROR werr;
1575
1576	if (!W_ERROR_IS_OK(r->out.result)) {
1577	return r->out.result;
1578	}
1579
1580	werr = do_JoinConfig(r);
1581	if (!W_ERROR_IS_OK(werr)) {
1582	return werr;
1583	}
1584
1585	if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
1586	return WERR_OK;
1587	}
1588
1589	saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
1590	if (r->out.dns_domain_name) {
1591	saf_join_store(r->out.dns_domain_name, r->in.dc_name);
1592	}
1593
1594	#ifdef WITH_ADS
1595	if (r->out.domain_is_ad &&
1596	!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1597	ADS_STATUS ads_status;
1598
1599	ads_status = libnet_join_post_processing_ads(mem_ctx, r);
1600	if (!ADS_ERR_OK(ads_status)) {
1601	return WERR_GENERAL_FAILURE;
1602	}
1603	}
1604	#endif /* WITH_ADS */
1605
1606	libnet_join_add_dom_rids_to_builtins(r->out.domain_sid);
1607
1608	return WERR_OK;
1609	}
1610
1611	/****************************************************************
1612	****************************************************************/
1613
1614	static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1615	{
1616	const char *krb5_cc_env = NULL;
1617
1618	if (r->in.ads) {
1619	ads_destroy(&r->in.ads);
1620	}
1621
1622	krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1623	if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1624	unsetenv(KRB5_ENV_CCNAME);
1625	}
1626
1627	return 0;
1628	}
1629
1630	/****************************************************************
1631	****************************************************************/
1632
1633	static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1634	{
1635	const char *krb5_cc_env = NULL;
1636
1637	if (r->in.ads) {
1638	ads_destroy(&r->in.ads);
1639	}
1640
1641	krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1642	if (krb5_cc_env && StrCaseCmp(krb5_cc_env, "MEMORY:libnetjoin")) {
1643	unsetenv(KRB5_ENV_CCNAME);
1644	}
1645
1646	return 0;
1647	}
1648
1649	/****************************************************************
1650	****************************************************************/
1651
1652	WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1653	struct libnet_JoinCtx **r)
1654	{
1655	struct libnet_JoinCtx *ctx;
1656	const char *krb5_cc_env = NULL;
1657
1658	ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1659	if (!ctx) {
1660	return WERR_NOMEM;
1661	}
1662
1663	talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1664
1665	ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1666	W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1667
1668	krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1669	if (!krb5_cc_env \|\| (strlen(krb5_cc_env) == 0)) {
1670	krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1671	W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1672	setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1673	}
1674
1675	ctx->in.secure_channel_type = SEC_CHAN_WKSTA;
1676
1677	*r = ctx;
1678
1679	return WERR_OK;
1680	}
1681
1682	/****************************************************************
1683	****************************************************************/
1684
1685	WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1686	struct libnet_UnjoinCtx **r)
1687	{
1688	struct libnet_UnjoinCtx *ctx;
1689	const char *krb5_cc_env = NULL;
1690
1691	ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1692	if (!ctx) {
1693	return WERR_NOMEM;
1694	}
1695
1696	talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1697
1698	ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1699	W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1700
1701	krb5_cc_env = getenv(KRB5_ENV_CCNAME);
1702	if (!krb5_cc_env \|\| (strlen(krb5_cc_env) == 0)) {
1703	krb5_cc_env = talloc_strdup(mem_ctx, "MEMORY:libnetjoin");
1704	W_ERROR_HAVE_NO_MEMORY(krb5_cc_env);
1705	setenv(KRB5_ENV_CCNAME, krb5_cc_env, 1);
1706	}
1707
1708	*r = ctx;
1709
1710	return WERR_OK;
1711	}
1712
1713	/****************************************************************
1714	****************************************************************/
1715
1716	static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
1717	struct libnet_JoinCtx *r)
1718	{
1719	bool valid_security = false;
1720	bool valid_workgroup = false;
1721	bool valid_realm = false;
1722
1723	/* check if configuration is already set correctly */
1724
1725	valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
1726
1727	switch (r->out.domain_is_ad) {
1728	case false:
1729	valid_security = (lp_security() == SEC_DOMAIN);
1730	if (valid_workgroup && valid_security) {
1731	/* nothing to be done */
1732	return WERR_OK;
1733	}
1734	break;
1735	case true:
1736	valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
1737	switch (lp_security()) {
1738	case SEC_DOMAIN:
1739	case SEC_ADS:
1740	valid_security = true;
1741	}
1742
1743	if (valid_workgroup && valid_realm && valid_security) {
1744	/* nothing to be done */
1745	return WERR_OK;
1746	}
1747	break;
1748	}
1749
1750	/* check if we are supposed to manipulate configuration */
1751
1752	if (!r->in.modify_config) {
1753
1754	char *wrong_conf = talloc_strdup(mem_ctx, "");
1755
1756	if (!valid_workgroup) {
1757	wrong_conf = talloc_asprintf_append(wrong_conf,
1758	"\"workgroup\" set to '%s', should be '%s'",
1759	lp_workgroup(), r->out.netbios_domain_name);
1760	W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1761	}
1762
1763	if (!valid_realm) {
1764	wrong_conf = talloc_asprintf_append(wrong_conf,
1765	"\"realm\" set to '%s', should be '%s'",
1766	lp_realm(), r->out.dns_domain_name);
1767	W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1768	}
1769
1770	if (!valid_security) {
1771	const char *sec = NULL;
1772	switch (lp_security()) {
1773	case SEC_SHARE: sec = "share"; break;
1774	case SEC_USER: sec = "user"; break;
1775	case SEC_DOMAIN: sec = "domain"; break;
1776	case SEC_ADS: sec = "ads"; break;
1777	}
1778	wrong_conf = talloc_asprintf_append(wrong_conf,
1779	"\"security\" set to '%s', should be %s",
1780	sec, r->out.domain_is_ad ?
1781	"either 'domain' or 'ads'" : "'domain'");
1782	W_ERROR_HAVE_NO_MEMORY(wrong_conf);
1783	}
1784
1785	libnet_join_set_error_string(mem_ctx, r,
1786	"Invalid configuration (%s) and configuration modification "
1787	"was not requested", wrong_conf);
1788	return WERR_CAN_NOT_COMPLETE;
1789	}
1790
1791	/* check if we are able to manipulate configuration */
1792
1793	if (!lp_config_backend_is_registry()) {
1794	libnet_join_set_error_string(mem_ctx, r,
1795	"Configuration manipulation requested but not "
1796	"supported by backend");
1797	return WERR_NOT_SUPPORTED;
1798	}
1799
1800	return WERR_OK;
1801	}
1802
1803	/****************************************************************
1804	****************************************************************/
1805
1806	static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1807	struct libnet_JoinCtx *r)
1808	{
1809	NTSTATUS status;
1810	WERROR werr;
1811	struct cli_state *cli = NULL;
1812	#ifdef WITH_ADS
1813	ADS_STATUS ads_status;
1814	#endif /* WITH_ADS */
1815
1816	if (!r->in.dc_name) {
1817	struct netr_DsRGetDCNameInfo *info;
1818	const char *dc;
1819	status = dsgetdcname(mem_ctx,
1820	r->in.msg_ctx,
1821	r->in.domain_name,
1822	NULL,
1823	NULL,
1824	DS_FORCE_REDISCOVERY \|
1825	DS_DIRECTORY_SERVICE_REQUIRED \|
1826	DS_WRITABLE_REQUIRED \|
1827	DS_RETURN_DNS_NAME,
1828	&info);
1829	if (!NT_STATUS_IS_OK(status)) {
1830	libnet_join_set_error_string(mem_ctx, r,
1831	"failed to find DC for domain %s",
1832	r->in.domain_name,
1833	get_friendly_nt_error_msg(status));
1834	return WERR_DCNOTFOUND;
1835	}
1836
1837	dc = strip_hostname(info->dc_unc);
1838	r->in.dc_name = talloc_strdup(mem_ctx, dc);
1839	W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1840	}
1841
1842	status = libnet_join_lookup_dc_rpc(mem_ctx, r, &cli);
1843	if (!NT_STATUS_IS_OK(status)) {
1844	libnet_join_set_error_string(mem_ctx, r,
1845	"failed to lookup DC info for domain '%s' over rpc: %s",
1846	r->in.domain_name, get_friendly_nt_error_msg(status));
1847	return ntstatus_to_werror(status);
1848	}
1849
1850	werr = libnet_join_check_config(mem_ctx, r);
1851	if (!W_ERROR_IS_OK(werr)) {
1852	goto done;
1853	}
1854
1855	#ifdef WITH_ADS
1856	if (r->out.domain_is_ad && r->in.account_ou &&
1857	!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
1858
1859	ads_status = libnet_join_connect_ads(mem_ctx, r);
1860	if (!ADS_ERR_OK(ads_status)) {
1861	return WERR_DEFAULT_JOIN_REQUIRED;
1862	}
1863
1864	ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1865	if (!ADS_ERR_OK(ads_status)) {
1866	libnet_join_set_error_string(mem_ctx, r,
1867	"failed to precreate account in ou %s: %s",
1868	r->in.account_ou,
1869	ads_errstr(ads_status));
1870	return WERR_DEFAULT_JOIN_REQUIRED;
1871	}
1872
1873	r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1874	}
1875	#endif /* WITH_ADS */
1876
1877	if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
1878	(r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
1879	status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
1880	} else {
1881	status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
1882	}
1883	if (!NT_STATUS_IS_OK(status)) {
1884	libnet_join_set_error_string(mem_ctx, r,
1885	"failed to join domain '%s' over rpc: %s",
1886	r->in.domain_name, get_friendly_nt_error_msg(status));
1887	if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1888	return WERR_SETUP_ALREADY_JOINED;
1889	}
1890	werr = ntstatus_to_werror(status);
1891	goto done;
1892	}
1893
1894	if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1895	werr = WERR_SETUP_NOT_JOINED;
1896	goto done;
1897	}
1898
1899	werr = WERR_OK;
1900
1901	done:
1902	if (cli) {
1903	cli_shutdown(cli);
1904	}
1905
1906	return werr;
1907	}
1908
1909	/****************************************************************
1910	****************************************************************/
1911
1912	static WERROR libnet_join_rollback(TALLOC_CTX *mem_ctx,
1913	struct libnet_JoinCtx *r)
1914	{
1915	WERROR werr;
1916	struct libnet_UnjoinCtx *u = NULL;
1917
1918	werr = libnet_init_UnjoinCtx(mem_ctx, &u);
1919	if (!W_ERROR_IS_OK(werr)) {
1920	return werr;
1921	}
1922
1923	u->in.debug = r->in.debug;
1924	u->in.dc_name = r->in.dc_name;
1925	u->in.domain_name = r->in.domain_name;
1926	u->in.admin_account = r->in.admin_account;
1927	u->in.admin_password = r->in.admin_password;
1928	u->in.modify_config = r->in.modify_config;
1929	u->in.unjoin_flags = WKSSVC_JOIN_FLAGS_JOIN_TYPE \|
1930	WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE;
1931
1932	werr = libnet_Unjoin(mem_ctx, u);
1933	TALLOC_FREE(u);
1934
1935	return werr;
1936	}
1937
1938	/****************************************************************
1939	****************************************************************/
1940
1941	WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1942	struct libnet_JoinCtx *r)
1943	{
1944	WERROR werr;
1945
1946	if (r->in.debug) {
1947	LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1948	}
1949
1950	werr = libnet_join_pre_processing(mem_ctx, r);
1951	if (!W_ERROR_IS_OK(werr)) {
1952	goto done;
1953	}
1954
1955	if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1956	werr = libnet_DomainJoin(mem_ctx, r);
1957	if (!W_ERROR_IS_OK(werr)) {
1958	goto done;
1959	}
1960	}
1961
1962	werr = libnet_join_post_processing(mem_ctx, r);
1963	if (!W_ERROR_IS_OK(werr)) {
1964	goto done;
1965	}
1966
1967	if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1968	werr = libnet_join_post_verify(mem_ctx, r);
1969	if (!W_ERROR_IS_OK(werr)) {
1970	libnet_join_rollback(mem_ctx, r);
1971	}
1972	}
1973
1974	done:
1975	r->out.result = werr;
1976
1977	if (r->in.debug) {
1978	LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1979	}
1980	return werr;
1981	}
1982
1983	/****************************************************************
1984	****************************************************************/
1985
1986	static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1987	struct libnet_UnjoinCtx *r)
1988	{
1989	NTSTATUS status;
1990
1991	if (!r->in.domain_sid) {
1992	struct dom_sid sid;
1993	if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1994	libnet_unjoin_set_error_string(mem_ctx, r,
1995	"Unable to fetch domain sid: are we joined?");
1996	return WERR_SETUP_NOT_JOINED;
1997	}
1998	r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1999	W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
2000	}
2001
2002	if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) &&
2003	!r->in.delete_machine_account) {
2004	libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2005	return WERR_OK;
2006	}
2007
2008	if (!r->in.dc_name) {
2009	struct netr_DsRGetDCNameInfo *info;
2010	const char *dc;
2011	status = dsgetdcname(mem_ctx,
2012	r->in.msg_ctx,
2013	r->in.domain_name,
2014	NULL,
2015	NULL,
2016	DS_DIRECTORY_SERVICE_REQUIRED \|
2017	DS_WRITABLE_REQUIRED \|
2018	DS_RETURN_DNS_NAME,
2019	&info);
2020	if (!NT_STATUS_IS_OK(status)) {
2021	libnet_unjoin_set_error_string(mem_ctx, r,
2022	"failed to find DC for domain %s",
2023	r->in.domain_name,
2024	get_friendly_nt_error_msg(status));
2025	return WERR_DCNOTFOUND;
2026	}
2027
2028	dc = strip_hostname(info->dc_unc);
2029	r->in.dc_name = talloc_strdup(mem_ctx, dc);
2030	W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
2031	}
2032
2033	#ifdef WITH_ADS
2034	/* for net ads leave, try to delete the account. If it works,
2035	no sense in disabling. If it fails, we can still try to
2036	disable it. jmcd */
2037
2038	if (r->in.delete_machine_account) {
2039	ADS_STATUS ads_status;
2040	ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
2041	if (ADS_ERR_OK(ads_status)) {
2042	/* dirty hack */
2043	r->out.dns_domain_name =
2044	talloc_strdup(mem_ctx,
2045	r->in.ads->server.realm);
2046	ads_status =
2047	libnet_unjoin_remove_machine_acct(mem_ctx, r);
2048	}
2049	if (!ADS_ERR_OK(ads_status)) {
2050	libnet_unjoin_set_error_string(mem_ctx, r,
2051	"failed to remove machine account from AD: %s",
2052	ads_errstr(ads_status));
2053	} else {
2054	r->out.deleted_machine_account = true;
2055	W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
2056	libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2057	return WERR_OK;
2058	}
2059	}
2060	#endif /* WITH_ADS */
2061
2062	/* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means
2063	"disable". */
2064	if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
2065	status = libnet_join_unjoindomain_rpc(mem_ctx, r);
2066	if (!NT_STATUS_IS_OK(status)) {
2067	libnet_unjoin_set_error_string(mem_ctx, r,
2068	"failed to disable machine account via rpc: %s",
2069	get_friendly_nt_error_msg(status));
2070	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2071	return WERR_SETUP_NOT_JOINED;
2072	}
2073	return ntstatus_to_werror(status);
2074	}
2075
2076	r->out.disabled_machine_account = true;
2077	}
2078
2079	/* If disable succeeded or was not requested at all, we
2080	should be getting rid of our end of things */
2081
2082	libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
2083
2084	return WERR_OK;
2085	}
2086
2087	/****************************************************************
2088	****************************************************************/
2089
2090	static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
2091	struct libnet_UnjoinCtx *r)
2092	{
2093	if (!r->in.domain_name) {
2094	libnet_unjoin_set_error_string(mem_ctx, r,
2095	"No domain name defined");
2096	return WERR_INVALID_PARAM;
2097	}
2098
2099	if (!libnet_parse_domain_dc(mem_ctx, r->in.domain_name,
2100	&r->in.domain_name,
2101	&r->in.dc_name)) {
2102	libnet_unjoin_set_error_string(mem_ctx, r,
2103	"Failed to parse domain name");
2104	return WERR_INVALID_PARAM;
2105	}
2106
2107	if (IS_DC) {
2108	return WERR_SETUP_DOMAIN_CONTROLLER;
2109	}
2110
2111	if (!secrets_init()) {
2112	libnet_unjoin_set_error_string(mem_ctx, r,
2113	"Unable to open secrets database");
2114	return WERR_CAN_NOT_COMPLETE;
2115	}
2116
2117	return WERR_OK;
2118	}
2119
2120	/****************************************************************
2121	****************************************************************/
2122
2123	static WERROR libnet_unjoin_post_processing(TALLOC_CTX *mem_ctx,
2124	struct libnet_UnjoinCtx *r)
2125	{
2126	saf_delete(r->out.netbios_domain_name);
2127	saf_delete(r->out.dns_domain_name);
2128
2129	return libnet_unjoin_config(r);
2130	}
2131
2132	/****************************************************************
2133	****************************************************************/
2134
2135	WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
2136	struct libnet_UnjoinCtx *r)
2137	{
2138	WERROR werr;
2139
2140	if (r->in.debug) {
2141	LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
2142	}
2143
2144	werr = libnet_unjoin_pre_processing(mem_ctx, r);
2145	if (!W_ERROR_IS_OK(werr)) {
2146	goto done;
2147	}
2148
2149	if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
2150	werr = libnet_DomainUnjoin(mem_ctx, r);
2151	if (!W_ERROR_IS_OK(werr)) {
2152	libnet_unjoin_config(r);
2153	goto done;
2154	}
2155	}
2156
2157	werr = libnet_unjoin_post_processing(mem_ctx, r);
2158	if (!W_ERROR_IS_OK(werr)) {
2159	goto done;
2160	}
2161
2162	done:
2163	r->out.result = werr;
2164
2165	if (r->in.debug) {
2166	LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
2167	}
2168
2169	return werr;
2170	}

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