auth/spnego: remove one more useless indentation level in gensec_spnego_create_negTok...
[samba.git] / auth / auth_sam_reply.c
1 /*
2    Unix SMB/CIFS implementation.
3
4    Convert a server info struct into the form for PAC and NETLOGON replies
5
6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2011
7    Copyright (C) Stefan Metzmacher <metze@samba.org>  2005
8
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 3 of the License, or
12    (at your option) any later version.
13
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18
19    You should have received a copy of the GNU General Public License
20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "includes.h"
24 #include "librpc/gen_ndr/auth.h"
25 #include "libcli/security/security.h"
26 #include "auth/auth_sam_reply.h"
27
28 static NTSTATUS auth_convert_user_info_dc_sambaseinfo(TALLOC_CTX *mem_ctx,
29                                 const struct auth_user_info_dc *user_info_dc,
30                                 struct netr_SamBaseInfo *sam)
31 {
32         NTSTATUS status;
33         const struct auth_user_info *info;
34
35         ZERO_STRUCTP(sam);
36
37         if (user_info_dc->num_sids > PRIMARY_USER_SID_INDEX) {
38                 status = dom_sid_split_rid(sam, &user_info_dc->sids[PRIMARY_USER_SID_INDEX],
39                                            &sam->domain_sid, &sam->rid);
40                 if (!NT_STATUS_IS_OK(status)) {
41                         return status;
42                 }
43         } else {
44                 return NT_STATUS_INVALID_PARAMETER;
45         }
46
47         if (user_info_dc->num_sids > PRIMARY_GROUP_SID_INDEX) {
48                 status = dom_sid_split_rid(NULL, &user_info_dc->sids[PRIMARY_GROUP_SID_INDEX],
49                                            NULL, &sam->primary_gid);
50                 if (!NT_STATUS_IS_OK(status)) {
51                         return status;
52                 }
53         } else {
54                 /* if we have to encode something like SYSTEM (with no
55                  * second SID in the token) then this is the only
56                  * choice */
57                 sam->primary_gid = sam->rid;
58         }
59
60         info = user_info_dc->info;
61
62         sam->logon_time = info->last_logon;
63         sam->logoff_time =  info->last_logoff;
64         sam->kickoff_time = info->acct_expiry;
65         sam->last_password_change = info->last_password_change;
66         sam->allow_password_change = info->allow_password_change;
67         sam->force_password_change = info->force_password_change;
68
69 #define _COPY_STRING_TALLOC(src_name, dst_name) do { \
70         if (info->src_name != NULL) {\
71                 sam->dst_name.string = talloc_strdup(mem_ctx, info->src_name); \
72                 if (sam->dst_name.string == NULL) { \
73                         return NT_STATUS_NO_MEMORY; \
74                 } \
75         } \
76 } while(0)
77         _COPY_STRING_TALLOC(account_name, account_name);
78         _COPY_STRING_TALLOC(full_name, full_name);
79         _COPY_STRING_TALLOC(logon_script, logon_script);
80         _COPY_STRING_TALLOC(profile_path, profile_path);
81         _COPY_STRING_TALLOC(home_directory, home_directory);
82         _COPY_STRING_TALLOC(home_drive, home_drive);
83         _COPY_STRING_TALLOC(logon_server, logon_server);
84         _COPY_STRING_TALLOC(domain_name, logon_domain);
85 #undef _COPY_STRING_TALLOC
86
87         sam->logon_count = info->logon_count;
88         sam->bad_password_count = info->bad_password_count;
89         sam->groups.count = 0;
90         sam->groups.rids = NULL;
91
92         if (user_info_dc->num_sids > 2) {
93                 size_t i;
94                 sam->groups.rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
95                                                 user_info_dc->num_sids);
96
97                 if (sam->groups.rids == NULL)
98                         return NT_STATUS_NO_MEMORY;
99
100                 for (i=2; i<user_info_dc->num_sids; i++) {
101                         struct dom_sid *group_sid = &user_info_dc->sids[i];
102                         if (!dom_sid_in_domain(sam->domain_sid, group_sid)) {
103                                 /* We handle this elsewhere */
104                                 continue;
105                         }
106                         sam->groups.rids[sam->groups.count].rid =
107                                 group_sid->sub_auths[group_sid->num_auths-1];
108
109                         sam->groups.rids[sam->groups.count].attributes =
110                                 SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
111                         sam->groups.count += 1;
112                 }
113         }
114
115         sam->user_flags = 0; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
116         if (!user_info_dc->info->authenticated) {
117                 sam->user_flags |= NETLOGON_GUEST;
118         }
119         sam->acct_flags = user_info_dc->info->acct_flags;
120         sam->sub_auth_status = 0;
121         sam->last_successful_logon = 0;
122         sam->last_failed_logon = 0;
123         sam->failed_logon_count = 0;
124         sam->reserved = 0;
125
126         ZERO_STRUCT(sam->key);
127         if (user_info_dc->user_session_key.length == sizeof(sam->key.key)) {
128                 memcpy(sam->key.key, user_info_dc->user_session_key.data, sizeof(sam->key.key));
129         }
130
131         ZERO_STRUCT(sam->LMSessKey);
132         if (user_info_dc->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
133                 memcpy(sam->LMSessKey.key, user_info_dc->lm_session_key.data,
134                        sizeof(sam->LMSessKey.key));
135         }
136
137         return NT_STATUS_OK;
138 }
139
140 /* Note that the validity of the _sam6 structure is only as long as
141  * the user_info_dc it was generated from */
142 NTSTATUS auth_convert_user_info_dc_saminfo6(TALLOC_CTX *mem_ctx,
143                                             const struct auth_user_info_dc *user_info_dc,
144                                             struct netr_SamInfo6 **_sam6)
145 {
146         NTSTATUS status;
147         struct netr_SamInfo6 *sam6 = NULL;
148         size_t i;
149
150         sam6 = talloc_zero(mem_ctx, struct netr_SamInfo6);
151         if (sam6 == NULL) {
152                 return NT_STATUS_NO_MEMORY;
153         }
154
155         status = auth_convert_user_info_dc_sambaseinfo(sam6,
156                                                        user_info_dc,
157                                                        &sam6->base);
158         if (!NT_STATUS_IS_OK(status)) {
159                 TALLOC_FREE(sam6);
160                 return status;
161         }
162
163         sam6->sids = talloc_array(sam6, struct netr_SidAttr,
164                                   user_info_dc->num_sids);
165         if (sam6->sids == NULL) {
166                 TALLOC_FREE(sam6);
167                 return NT_STATUS_NO_MEMORY;
168         }
169
170         /* We don't put the user and group SIDs in there */
171         for (i=2; i<user_info_dc->num_sids; i++) {
172                 if (dom_sid_in_domain(sam6->base.domain_sid, &user_info_dc->sids[i])) {
173                         continue;
174                 }
175                 sam6->sids[sam6->sidcount].sid = dom_sid_dup(sam6->sids, &user_info_dc->sids[i]);
176                 if (sam6->sids[sam6->sidcount].sid == NULL) {
177                         TALLOC_FREE(sam6);
178                         return NT_STATUS_NO_MEMORY;
179                 }
180                 sam6->sids[sam6->sidcount].attributes =
181                         SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
182                 sam6->sidcount += 1;
183         }
184         if (sam6->sidcount) {
185                 sam6->base.user_flags |= NETLOGON_EXTRA_SIDS;
186         } else {
187                 sam6->sids = NULL;
188         }
189
190         if (user_info_dc->info->dns_domain_name != NULL) {
191                 sam6->dns_domainname.string = talloc_strdup(sam6,
192                                         user_info_dc->info->dns_domain_name);
193                 if (sam6->dns_domainname.string == NULL) {
194                         TALLOC_FREE(sam6);
195                         return NT_STATUS_NO_MEMORY;
196                 }
197         }
198
199         if (user_info_dc->info->user_principal_name != NULL) {
200                 sam6->principal_name.string = talloc_strdup(sam6,
201                                         user_info_dc->info->user_principal_name);
202                 if (sam6->principal_name.string == NULL) {
203                         TALLOC_FREE(sam6);
204                         return NT_STATUS_NO_MEMORY;
205                 }
206         }
207
208         *_sam6 = sam6;
209         return NT_STATUS_OK;
210 }
211
212 /* Note that the validity of the _sam2 structure is only as long as
213  * the user_info_dc it was generated from */
214 NTSTATUS auth_convert_user_info_dc_saminfo2(TALLOC_CTX *mem_ctx,
215                                            const struct auth_user_info_dc *user_info_dc,
216                                            struct netr_SamInfo2 **_sam2)
217 {
218         NTSTATUS status;
219         struct netr_SamInfo6 *sam6 = NULL;
220         struct netr_SamInfo2 *sam2 = NULL;
221
222         sam2 = talloc_zero(mem_ctx, struct netr_SamInfo2);
223         if (sam2 == NULL) {
224                 return NT_STATUS_NO_MEMORY;
225         }
226
227         status = auth_convert_user_info_dc_saminfo6(sam2, user_info_dc, &sam6);
228         if (!NT_STATUS_IS_OK(status)) {
229                 TALLOC_FREE(sam2);
230                 return status;
231         }
232         sam2->base      = sam6->base;
233
234         *_sam2 = sam2;
235         return NT_STATUS_OK;
236 }
237
238 /* Note that the validity of the _sam3 structure is only as long as
239  * the user_info_dc it was generated from */
240 NTSTATUS auth_convert_user_info_dc_saminfo3(TALLOC_CTX *mem_ctx,
241                                            const struct auth_user_info_dc *user_info_dc,
242                                            struct netr_SamInfo3 **_sam3)
243 {
244         NTSTATUS status;
245         struct netr_SamInfo6 *sam6 = NULL;
246         struct netr_SamInfo3 *sam3 = NULL;
247
248         sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
249         if (sam3 == NULL) {
250                 return NT_STATUS_NO_MEMORY;
251         }
252
253         status = auth_convert_user_info_dc_saminfo6(sam3, user_info_dc, &sam6);
254         if (!NT_STATUS_IS_OK(status)) {
255                 TALLOC_FREE(sam3);
256                 return status;
257         }
258         sam3->base      = sam6->base;
259         sam3->sidcount  = sam6->sidcount;
260         sam3->sids      = sam6->sids;
261
262         *_sam3 = sam3;
263         return NT_STATUS_OK;
264 }
265
266 /**
267  * Make a user_info struct from the info3 or similar returned by a domain logon.
268  *
269  * The netr_SamInfo3 is also a key structure in the source3 auth subsystem
270  */
271
272 NTSTATUS make_user_info_SamBaseInfo(TALLOC_CTX *mem_ctx,
273                                     const char *account_name,
274                                     const struct netr_SamBaseInfo *base,
275                                     bool authenticated,
276                                     struct auth_user_info **_user_info)
277 {
278         struct auth_user_info *info;
279
280         info = talloc_zero(mem_ctx, struct auth_user_info);
281         NT_STATUS_HAVE_NO_MEMORY(info);
282
283         if (base->account_name.string) {
284                 info->account_name = talloc_strdup(info, base->account_name.string);
285         } else {
286                 info->account_name = talloc_strdup(info, account_name);
287         }
288         NT_STATUS_HAVE_NO_MEMORY(info->account_name);
289
290         if (base->logon_domain.string) {
291                 info->domain_name = talloc_strdup(info, base->logon_domain.string);
292                 NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
293         }
294
295         if (base->full_name.string) {
296                 info->full_name = talloc_strdup(info, base->full_name.string);
297                 NT_STATUS_HAVE_NO_MEMORY(info->full_name);
298         }
299         if (base->logon_script.string) {
300                 info->logon_script = talloc_strdup(info, base->logon_script.string);
301                 NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
302         }
303         if (base->profile_path.string) {
304                 info->profile_path = talloc_strdup(info, base->profile_path.string);
305                 NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
306         }
307         if (base->home_directory.string) {
308                 info->home_directory = talloc_strdup(info, base->home_directory.string);
309                 NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
310         }
311         if (base->home_drive.string) {
312                 info->home_drive = talloc_strdup(info, base->home_drive.string);
313                 NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
314         }
315         if (base->logon_server.string) {
316                 info->logon_server = talloc_strdup(info, base->logon_server.string);
317                 NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
318         }
319         info->last_logon = base->logon_time;
320         info->last_logoff = base->logoff_time;
321         info->acct_expiry = base->kickoff_time;
322         info->last_password_change = base->last_password_change;
323         info->allow_password_change = base->allow_password_change;
324         info->force_password_change = base->force_password_change;
325         info->logon_count = base->logon_count;
326         info->bad_password_count = base->bad_password_count;
327         info->acct_flags = base->acct_flags;
328
329         /* Only set authenticated if both NETLOGON_GUEST is not set, and authenticated is set */
330         info->authenticated = (authenticated && (!(base->user_flags & NETLOGON_GUEST)));
331
332         *_user_info = info;
333         return NT_STATUS_OK;
334 }
335
336 /**
337  * Make a user_info_dc struct from the info3 returned by a domain logon
338  */
339 NTSTATUS make_user_info_dc_netlogon_validation(TALLOC_CTX *mem_ctx,
340                                               const char *account_name,
341                                               uint16_t validation_level,
342                                               const union netr_Validation *validation,
343                                                bool authenticated,
344                                               struct auth_user_info_dc **_user_info_dc)
345 {
346         NTSTATUS status;
347         struct auth_user_info_dc *user_info_dc = NULL;
348         const struct netr_SamBaseInfo *base = NULL;
349         uint32_t sidcount = 0;
350         const struct netr_SidAttr *sids = NULL;
351         const char *dns_domainname = NULL;
352         const char *principal = NULL;
353         uint32_t i;
354
355         switch (validation_level) {
356         case 2:
357                 if (!validation || !validation->sam2) {
358                         return NT_STATUS_INVALID_PARAMETER;
359                 }
360                 base = &validation->sam2->base;
361                 break;
362         case 3:
363                 if (!validation || !validation->sam3) {
364                         return NT_STATUS_INVALID_PARAMETER;
365                 }
366                 base = &validation->sam3->base;
367                 sidcount = validation->sam3->sidcount;
368                 sids = validation->sam3->sids;
369                 break;
370         case 6:
371                 if (!validation || !validation->sam6) {
372                         return NT_STATUS_INVALID_PARAMETER;
373                 }
374                 base = &validation->sam6->base;
375                 sidcount = validation->sam6->sidcount;
376                 sids = validation->sam6->sids;
377                 dns_domainname = validation->sam6->dns_domainname.string;
378                 principal = validation->sam6->principal_name.string;
379                 break;
380         default:
381                 return NT_STATUS_INVALID_LEVEL;
382         }
383
384         user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
385         NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
386
387         /*
388            Here is where we should check the list of
389            trusted domains, and verify that the SID
390            matches.
391         */
392         if (!base->domain_sid) {
393                 DEBUG(0, ("Cannot operate on a Netlogon Validation without a domain SID"));
394                 return NT_STATUS_INVALID_PARAMETER;
395         }
396
397         /* The IDL layer would be a better place to check this, but to
398          * guard the integer addition below, we double-check */
399         if (base->groups.count > 65535) {
400                 return NT_STATUS_INVALID_PARAMETER;
401         }
402
403         user_info_dc->num_sids = 2;
404
405         user_info_dc->sids = talloc_array(user_info_dc, struct dom_sid,  user_info_dc->num_sids + base->groups.count);
406         NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
407
408         user_info_dc->sids[PRIMARY_USER_SID_INDEX] = *base->domain_sid;
409         if (!sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX], base->rid)) {
410                 return NT_STATUS_INVALID_PARAMETER;
411         }
412
413         user_info_dc->sids[PRIMARY_GROUP_SID_INDEX] = *base->domain_sid;
414         if (!sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX], base->primary_gid)) {
415                 return NT_STATUS_INVALID_PARAMETER;
416         }
417
418         for (i = 0; i < base->groups.count; i++) {
419                 user_info_dc->sids[user_info_dc->num_sids] = *base->domain_sid;
420                 if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids], base->groups.rids[i].rid)) {
421                         return NT_STATUS_INVALID_PARAMETER;
422                 }
423                 user_info_dc->num_sids++;
424         }
425
426         /* Copy 'other' sids.  We need to do sid filtering here to
427            prevent possible elevation of privileges.  See:
428
429            http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
430          */
431
432         /*
433          * The IDL layer would be a better place to check this, but to
434          * guard the integer addition below, we double-check
435          */
436         if (sidcount > UINT16_MAX) {
437                 return NT_STATUS_INVALID_PARAMETER;
438         }
439
440         if (sidcount > 0) {
441                 struct dom_sid *dgrps = user_info_dc->sids;
442                 size_t dgrps_count;
443
444                 dgrps_count = user_info_dc->num_sids + sidcount;
445                 dgrps = talloc_realloc(user_info_dc, dgrps, struct dom_sid,
446                                        dgrps_count);
447                 if (dgrps == NULL) {
448                         return NT_STATUS_NO_MEMORY;
449                 }
450
451                 for (i = 0; i < sidcount; i++) {
452                         if (sids[i].sid) {
453                                 dgrps[user_info_dc->num_sids] = *sids[i].sid;
454                                 user_info_dc->num_sids++;
455                         }
456                 }
457
458                 user_info_dc->sids = dgrps;
459
460                 /* Where are the 'global' sids?... */
461         }
462
463         status = make_user_info_SamBaseInfo(user_info_dc, account_name, base, authenticated, &user_info_dc->info);
464         if (!NT_STATUS_IS_OK(status)) {
465                 return status;
466         }
467
468         if (dns_domainname != NULL) {
469                 user_info_dc->info->dns_domain_name = talloc_strdup(user_info_dc->info,
470                                                                     dns_domainname);
471                 if (user_info_dc->info->dns_domain_name == NULL) {
472                         return NT_STATUS_NO_MEMORY;
473                 }
474         }
475
476         if (principal != NULL) {
477                 user_info_dc->info->user_principal_name = talloc_strdup(user_info_dc->info,
478                                                                         principal);
479                 if (user_info_dc->info->user_principal_name == NULL) {
480                         return NT_STATUS_NO_MEMORY;
481                 }
482         }
483
484         /* ensure we are never given NULL session keys */
485
486         if (all_zero(base->key.key, sizeof(base->key.key))) {
487                 user_info_dc->user_session_key = data_blob(NULL, 0);
488         } else {
489                 user_info_dc->user_session_key = data_blob_talloc(user_info_dc, base->key.key, sizeof(base->key.key));
490                 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
491         }
492
493         if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
494                 user_info_dc->lm_session_key = data_blob(NULL, 0);
495         } else {
496                 user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, base->LMSessKey.key, sizeof(base->LMSessKey.key));
497                 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
498         }
499
500         *_user_info_dc = user_info_dc;
501         return NT_STATUS_OK;
502 }
503
504 /**
505  * Make a user_info_dc struct from the PAC_LOGON_INFO supplied in the krb5 logon
506  */
507 NTSTATUS make_user_info_dc_pac(TALLOC_CTX *mem_ctx,
508                               const struct PAC_LOGON_INFO *pac_logon_info,
509                               const struct PAC_UPN_DNS_INFO *pac_upn_dns_info,
510                               struct auth_user_info_dc **_user_info_dc)
511 {
512         uint32_t i;
513         NTSTATUS nt_status;
514         union netr_Validation validation;
515         struct auth_user_info_dc *user_info_dc;
516         const struct PAC_DOMAIN_GROUP_MEMBERSHIP *rg = NULL;
517         size_t sidcount;
518
519         rg = &pac_logon_info->resource_groups;
520
521         validation.sam3 = discard_const_p(struct netr_SamInfo3, &pac_logon_info->info3);
522
523         nt_status = make_user_info_dc_netlogon_validation(mem_ctx, "", 3, &validation,
524                                                           true, /* This user was authenticated */
525                                                           &user_info_dc);
526         if (!NT_STATUS_IS_OK(nt_status)) {
527                 return nt_status;
528         }
529
530         if (pac_logon_info->info3.base.user_flags & NETLOGON_RESOURCE_GROUPS) {
531                 rg = &pac_logon_info->resource_groups;
532         }
533
534         if (rg == NULL) {
535                 *_user_info_dc = user_info_dc;
536                 return NT_STATUS_OK;
537         }
538
539         if (rg->groups.count > 0) {
540                 /* The IDL layer would be a better place to check this, but to
541                  * guard the integer addition below, we double-check */
542                 if (rg->groups.count > 65535) {
543                         talloc_free(user_info_dc);
544                         return NT_STATUS_INVALID_PARAMETER;
545                 }
546
547                 /*
548                   Here is where we should check the list of
549                   trusted domains, and verify that the SID
550                   matches.
551                 */
552                 if (rg->domain_sid == NULL) {
553                         talloc_free(user_info_dc);
554                         DEBUG(0, ("Cannot operate on a PAC without a resource domain SID"));
555                         return NT_STATUS_INVALID_PARAMETER;
556                 }
557
558                 sidcount = user_info_dc->num_sids + rg->groups.count;
559                 user_info_dc->sids
560                         = talloc_realloc(user_info_dc, user_info_dc->sids, struct dom_sid, sidcount);
561                 if (user_info_dc->sids == NULL) {
562                         TALLOC_FREE(user_info_dc);
563                         return NT_STATUS_NO_MEMORY;
564                 }
565
566                 for (i = 0; i < rg->groups.count; i++) {
567                         bool ok;
568
569                         user_info_dc->sids[user_info_dc->num_sids] = *rg->domain_sid;
570                         ok = sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids],
571                                             rg->groups.rids[i].rid);
572                         if (!ok) {
573                                 return NT_STATUS_INVALID_PARAMETER;
574                         }
575                         user_info_dc->num_sids++;
576                 }
577         }
578
579         if (pac_upn_dns_info != NULL) {
580                 user_info_dc->info->user_principal_name =
581                         talloc_strdup(user_info_dc->info,
582                                       pac_upn_dns_info->upn_name);
583                 if (user_info_dc->info->user_principal_name == NULL) {
584                         return NT_STATUS_NO_MEMORY;
585                 }
586
587                 user_info_dc->info->dns_domain_name =
588                         talloc_strdup(user_info_dc->info,
589                                       pac_upn_dns_info->dns_domain_name);
590                 if (user_info_dc->info->dns_domain_name == NULL) {
591                         return NT_STATUS_NO_MEMORY;
592                 }
593
594                 if (pac_upn_dns_info->flags & PAC_UPN_DNS_FLAG_CONSTRUCTED) {
595                         user_info_dc->info->user_principal_constructed = true;
596                 }
597         }
598
599         *_user_info_dc = user_info_dc;
600         return NT_STATUS_OK;
601 }