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
auth_convert_user_info_dc_sambaseinfo(TALLOC_CTX * mem_ctx,const struct auth_user_info_dc * user_info_dc,struct netr_SamBaseInfo * sam)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 > PRIMARY_GROUP_SID_INDEX) {
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=PRIMARY_GROUP_SID_INDEX; 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 */
auth_convert_user_info_dc_saminfo6(TALLOC_CTX * mem_ctx,const struct auth_user_info_dc * user_info_dc,struct netr_SamInfo6 ** _sam6)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 */
auth_convert_user_info_dc_saminfo2(TALLOC_CTX * mem_ctx,const struct auth_user_info_dc * user_info_dc,struct netr_SamInfo2 ** _sam2)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 */
auth_convert_user_info_dc_saminfo3(TALLOC_CTX * mem_ctx,const struct auth_user_info_dc * user_info_dc,struct netr_SamInfo3 ** _sam3)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
make_user_info_SamBaseInfo(TALLOC_CTX * mem_ctx,const char * account_name,const struct netr_SamBaseInfo * base,bool authenticated,struct auth_user_info ** _user_info)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
auth_user_info_copy(TALLOC_CTX * mem_ctx,const struct auth_user_info * src)336 struct auth_user_info *auth_user_info_copy(TALLOC_CTX *mem_ctx,
337 const struct auth_user_info *src)
338 {
339 struct auth_user_info *dst = NULL;
340
341 dst = talloc_zero(mem_ctx, struct auth_user_info);
342 if (dst == NULL) {
343 return NULL;
344 }
345
346 *dst = *src;
347 #define _COPY_STRING(_mem, _str) do { \
348 if ((_str) != NULL) { \
349 (_str) = talloc_strdup((_mem), (_str)); \
350 if ((_str) == NULL) { \
351 TALLOC_FREE(dst); \
352 return NULL; \
353 } \
354 } \
355 } while(0)
356 _COPY_STRING(dst, dst->account_name);
357 _COPY_STRING(dst, dst->user_principal_name);
358 _COPY_STRING(dst, dst->domain_name);
359 _COPY_STRING(dst, dst->dns_domain_name);
360 _COPY_STRING(dst, dst->full_name);
361 _COPY_STRING(dst, dst->logon_script);
362 _COPY_STRING(dst, dst->profile_path);
363 _COPY_STRING(dst, dst->home_directory);
364 _COPY_STRING(dst, dst->home_drive);
365 _COPY_STRING(dst, dst->logon_server);
366 #undef _COPY_STRING
367
368 return dst;
369 }
370
371 /**
372 * Make a user_info_dc struct from the info3 returned by a domain logon
373 */
make_user_info_dc_netlogon_validation(TALLOC_CTX * mem_ctx,const char * account_name,uint16_t validation_level,const union netr_Validation * validation,bool authenticated,struct auth_user_info_dc ** _user_info_dc)374 NTSTATUS make_user_info_dc_netlogon_validation(TALLOC_CTX *mem_ctx,
375 const char *account_name,
376 uint16_t validation_level,
377 const union netr_Validation *validation,
378 bool authenticated,
379 struct auth_user_info_dc **_user_info_dc)
380 {
381 NTSTATUS status;
382 struct auth_user_info_dc *user_info_dc = NULL;
383 const struct netr_SamBaseInfo *base = NULL;
384 uint32_t sidcount = 0;
385 const struct netr_SidAttr *sids = NULL;
386 const char *dns_domainname = NULL;
387 const char *principal = NULL;
388 uint32_t i;
389
390 switch (validation_level) {
391 case 2:
392 if (!validation || !validation->sam2) {
393 return NT_STATUS_INVALID_PARAMETER;
394 }
395 base = &validation->sam2->base;
396 break;
397 case 3:
398 if (!validation || !validation->sam3) {
399 return NT_STATUS_INVALID_PARAMETER;
400 }
401 base = &validation->sam3->base;
402 sidcount = validation->sam3->sidcount;
403 sids = validation->sam3->sids;
404 break;
405 case 6:
406 if (!validation || !validation->sam6) {
407 return NT_STATUS_INVALID_PARAMETER;
408 }
409 base = &validation->sam6->base;
410 sidcount = validation->sam6->sidcount;
411 sids = validation->sam6->sids;
412 dns_domainname = validation->sam6->dns_domainname.string;
413 principal = validation->sam6->principal_name.string;
414 break;
415 default:
416 return NT_STATUS_INVALID_LEVEL;
417 }
418
419 user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
420 NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
421
422 /*
423 Here is where we should check the list of
424 trusted domains, and verify that the SID
425 matches.
426 */
427 if (!base->domain_sid) {
428 DEBUG(0, ("Cannot operate on a Netlogon Validation without a domain SID"));
429 return NT_STATUS_INVALID_PARAMETER;
430 }
431
432 /* The IDL layer would be a better place to check this, but to
433 * guard the integer addition below, we double-check */
434 if (base->groups.count > 65535) {
435 return NT_STATUS_INVALID_PARAMETER;
436 }
437
438 user_info_dc->num_sids = 2;
439
440 user_info_dc->sids = talloc_array(user_info_dc, struct dom_sid, user_info_dc->num_sids + base->groups.count);
441 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
442
443 user_info_dc->sids[PRIMARY_USER_SID_INDEX] = *base->domain_sid;
444 if (!sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX], base->rid)) {
445 return NT_STATUS_INVALID_PARAMETER;
446 }
447
448 user_info_dc->sids[PRIMARY_GROUP_SID_INDEX] = *base->domain_sid;
449 if (!sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX], base->primary_gid)) {
450 return NT_STATUS_INVALID_PARAMETER;
451 }
452
453 for (i = 0; i < base->groups.count; i++) {
454 /* Skip primary group, already added above */
455 if (base->groups.rids[i].rid == base->primary_gid) {
456 continue;
457 }
458 user_info_dc->sids[user_info_dc->num_sids] = *base->domain_sid;
459 if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids], base->groups.rids[i].rid)) {
460 return NT_STATUS_INVALID_PARAMETER;
461 }
462 user_info_dc->num_sids++;
463 }
464
465 /* Copy 'other' sids. We need to do sid filtering here to
466 prevent possible elevation of privileges. See:
467
468 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
469 */
470
471 /*
472 * The IDL layer would be a better place to check this, but to
473 * guard the integer addition below, we double-check
474 */
475 if (sidcount > UINT16_MAX) {
476 return NT_STATUS_INVALID_PARAMETER;
477 }
478
479 if (sidcount > 0) {
480 struct dom_sid *dgrps = user_info_dc->sids;
481 size_t dgrps_count;
482
483 dgrps_count = user_info_dc->num_sids + sidcount;
484 dgrps = talloc_realloc(user_info_dc, dgrps, struct dom_sid,
485 dgrps_count);
486 if (dgrps == NULL) {
487 return NT_STATUS_NO_MEMORY;
488 }
489
490 for (i = 0; i < sidcount; i++) {
491 if (sids[i].sid) {
492 dgrps[user_info_dc->num_sids] = *sids[i].sid;
493 user_info_dc->num_sids++;
494 }
495 }
496
497 user_info_dc->sids = dgrps;
498
499 /* Where are the 'global' sids?... */
500 }
501
502 status = make_user_info_SamBaseInfo(user_info_dc, account_name, base, authenticated, &user_info_dc->info);
503 if (!NT_STATUS_IS_OK(status)) {
504 return status;
505 }
506
507 if (dns_domainname != NULL) {
508 user_info_dc->info->dns_domain_name = talloc_strdup(user_info_dc->info,
509 dns_domainname);
510 if (user_info_dc->info->dns_domain_name == NULL) {
511 return NT_STATUS_NO_MEMORY;
512 }
513 }
514
515 if (principal != NULL) {
516 user_info_dc->info->user_principal_name = talloc_strdup(user_info_dc->info,
517 principal);
518 if (user_info_dc->info->user_principal_name == NULL) {
519 return NT_STATUS_NO_MEMORY;
520 }
521 }
522
523 /* ensure we are never given NULL session keys */
524
525 if (all_zero(base->key.key, sizeof(base->key.key))) {
526 user_info_dc->user_session_key = data_blob(NULL, 0);
527 } else {
528 user_info_dc->user_session_key = data_blob_talloc(user_info_dc, base->key.key, sizeof(base->key.key));
529 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
530 }
531
532 if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
533 user_info_dc->lm_session_key = data_blob(NULL, 0);
534 } else {
535 user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, base->LMSessKey.key, sizeof(base->LMSessKey.key));
536 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
537 }
538
539 *_user_info_dc = user_info_dc;
540 return NT_STATUS_OK;
541 }
542
543 /**
544 * Make a user_info_dc struct from the PAC_LOGON_INFO supplied in the krb5 logon
545 */
make_user_info_dc_pac(TALLOC_CTX * mem_ctx,const struct PAC_LOGON_INFO * pac_logon_info,const struct PAC_UPN_DNS_INFO * pac_upn_dns_info,struct auth_user_info_dc ** _user_info_dc)546 NTSTATUS make_user_info_dc_pac(TALLOC_CTX *mem_ctx,
547 const struct PAC_LOGON_INFO *pac_logon_info,
548 const struct PAC_UPN_DNS_INFO *pac_upn_dns_info,
549 struct auth_user_info_dc **_user_info_dc)
550 {
551 uint32_t i;
552 NTSTATUS nt_status;
553 union netr_Validation validation;
554 struct auth_user_info_dc *user_info_dc;
555 const struct PAC_DOMAIN_GROUP_MEMBERSHIP *rg = NULL;
556 size_t sidcount;
557
558 rg = &pac_logon_info->resource_groups;
559
560 validation.sam3 = discard_const_p(struct netr_SamInfo3, &pac_logon_info->info3);
561
562 nt_status = make_user_info_dc_netlogon_validation(mem_ctx, "", 3, &validation,
563 true, /* This user was authenticated */
564 &user_info_dc);
565 if (!NT_STATUS_IS_OK(nt_status)) {
566 return nt_status;
567 }
568
569 if (pac_logon_info->info3.base.user_flags & NETLOGON_RESOURCE_GROUPS) {
570 rg = &pac_logon_info->resource_groups;
571 }
572
573 if (rg == NULL) {
574 *_user_info_dc = user_info_dc;
575 return NT_STATUS_OK;
576 }
577
578 if (rg->groups.count > 0) {
579 /* The IDL layer would be a better place to check this, but to
580 * guard the integer addition below, we double-check */
581 if (rg->groups.count > 65535) {
582 talloc_free(user_info_dc);
583 return NT_STATUS_INVALID_PARAMETER;
584 }
585
586 /*
587 Here is where we should check the list of
588 trusted domains, and verify that the SID
589 matches.
590 */
591 if (rg->domain_sid == NULL) {
592 talloc_free(user_info_dc);
593 DEBUG(0, ("Cannot operate on a PAC without a resource domain SID"));
594 return NT_STATUS_INVALID_PARAMETER;
595 }
596
597 sidcount = user_info_dc->num_sids + rg->groups.count;
598 user_info_dc->sids
599 = talloc_realloc(user_info_dc, user_info_dc->sids, struct dom_sid, sidcount);
600 if (user_info_dc->sids == NULL) {
601 TALLOC_FREE(user_info_dc);
602 return NT_STATUS_NO_MEMORY;
603 }
604
605 for (i = 0; i < rg->groups.count; i++) {
606 bool ok;
607
608 user_info_dc->sids[user_info_dc->num_sids] = *rg->domain_sid;
609 ok = sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids],
610 rg->groups.rids[i].rid);
611 if (!ok) {
612 return NT_STATUS_INVALID_PARAMETER;
613 }
614 user_info_dc->num_sids++;
615 }
616 }
617
618 if (pac_upn_dns_info != NULL) {
619 user_info_dc->info->user_principal_name =
620 talloc_strdup(user_info_dc->info,
621 pac_upn_dns_info->upn_name);
622 if (user_info_dc->info->user_principal_name == NULL) {
623 return NT_STATUS_NO_MEMORY;
624 }
625
626 user_info_dc->info->dns_domain_name =
627 talloc_strdup(user_info_dc->info,
628 pac_upn_dns_info->dns_domain_name);
629 if (user_info_dc->info->dns_domain_name == NULL) {
630 return NT_STATUS_NO_MEMORY;
631 }
632
633 if (pac_upn_dns_info->flags & PAC_UPN_DNS_FLAG_CONSTRUCTED) {
634 user_info_dc->info->user_principal_constructed = true;
635 }
636 }
637
638 *_user_info_dc = user_info_dc;
639 return NT_STATUS_OK;
640 }
641