Line data Source code
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 62035 : 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 62035 : ZERO_STRUCTP(sam);
36 :
37 62035 : if (user_info_dc->num_sids > PRIMARY_USER_SID_INDEX) {
38 62035 : status = dom_sid_split_rid(sam, &user_info_dc->sids[PRIMARY_USER_SID_INDEX],
39 : &sam->domain_sid, &sam->rid);
40 62035 : if (!NT_STATUS_IS_OK(status)) {
41 0 : return status;
42 : }
43 : } else {
44 0 : return NT_STATUS_INVALID_PARAMETER;
45 : }
46 :
47 62035 : if (user_info_dc->num_sids > PRIMARY_GROUP_SID_INDEX) {
48 62035 : status = dom_sid_split_rid(NULL, &user_info_dc->sids[PRIMARY_GROUP_SID_INDEX],
49 : NULL, &sam->primary_gid);
50 62035 : if (!NT_STATUS_IS_OK(status)) {
51 0 : 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 0 : sam->primary_gid = sam->rid;
58 : }
59 :
60 62035 : info = user_info_dc->info;
61 :
62 62035 : sam->logon_time = info->last_logon;
63 62035 : sam->logoff_time = info->last_logoff;
64 62035 : sam->kickoff_time = info->acct_expiry;
65 62035 : sam->last_password_change = info->last_password_change;
66 62035 : sam->allow_password_change = info->allow_password_change;
67 62035 : 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 62035 : _COPY_STRING_TALLOC(account_name, account_name);
78 62035 : _COPY_STRING_TALLOC(full_name, full_name);
79 62035 : _COPY_STRING_TALLOC(logon_script, logon_script);
80 62035 : _COPY_STRING_TALLOC(profile_path, profile_path);
81 62035 : _COPY_STRING_TALLOC(home_directory, home_directory);
82 62035 : _COPY_STRING_TALLOC(home_drive, home_drive);
83 62035 : _COPY_STRING_TALLOC(logon_server, logon_server);
84 62035 : _COPY_STRING_TALLOC(domain_name, logon_domain);
85 : #undef _COPY_STRING_TALLOC
86 :
87 62035 : sam->logon_count = info->logon_count;
88 62035 : sam->bad_password_count = info->bad_password_count;
89 62035 : sam->groups.count = 0;
90 62035 : sam->groups.rids = NULL;
91 :
92 62035 : if (user_info_dc->num_sids > PRIMARY_GROUP_SID_INDEX) {
93 : size_t i;
94 62035 : sam->groups.rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
95 : user_info_dc->num_sids);
96 :
97 62035 : if (sam->groups.rids == NULL)
98 0 : return NT_STATUS_NO_MEMORY;
99 :
100 416940 : for (i=PRIMARY_GROUP_SID_INDEX; i<user_info_dc->num_sids; i++) {
101 354905 : struct dom_sid *group_sid = &user_info_dc->sids[i];
102 354905 : if (!dom_sid_in_domain(sam->domain_sid, group_sid)) {
103 : /* We handle this elsewhere */
104 60906 : continue;
105 : }
106 586171 : sam->groups.rids[sam->groups.count].rid =
107 586171 : group_sid->sub_auths[group_sid->num_auths-1];
108 :
109 293999 : sam->groups.rids[sam->groups.count].attributes =
110 : SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
111 293999 : sam->groups.count += 1;
112 : }
113 : }
114 :
115 62035 : sam->user_flags = 0; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
116 62035 : if (!user_info_dc->info->authenticated) {
117 0 : sam->user_flags |= NETLOGON_GUEST;
118 : }
119 62035 : sam->acct_flags = user_info_dc->info->acct_flags;
120 62035 : sam->sub_auth_status = 0;
121 62035 : sam->last_successful_logon = 0;
122 62035 : sam->last_failed_logon = 0;
123 62035 : sam->failed_logon_count = 0;
124 62035 : sam->reserved = 0;
125 :
126 62035 : ZERO_STRUCT(sam->key);
127 62035 : if (user_info_dc->user_session_key.length == sizeof(sam->key.key)) {
128 6043 : memcpy(sam->key.key, user_info_dc->user_session_key.data, sizeof(sam->key.key));
129 : }
130 :
131 62035 : ZERO_STRUCT(sam->LMSessKey);
132 62035 : if (user_info_dc->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
133 4824 : memcpy(sam->LMSessKey.key, user_info_dc->lm_session_key.data,
134 : sizeof(sam->LMSessKey.key));
135 : }
136 :
137 62035 : 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 62035 : 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 62035 : struct netr_SamInfo6 *sam6 = NULL;
148 : size_t i;
149 :
150 62035 : sam6 = talloc_zero(mem_ctx, struct netr_SamInfo6);
151 62035 : if (sam6 == NULL) {
152 0 : return NT_STATUS_NO_MEMORY;
153 : }
154 :
155 62035 : status = auth_convert_user_info_dc_sambaseinfo(sam6,
156 : user_info_dc,
157 : &sam6->base);
158 62035 : if (!NT_STATUS_IS_OK(status)) {
159 0 : TALLOC_FREE(sam6);
160 0 : return status;
161 : }
162 :
163 62035 : sam6->sids = talloc_array(sam6, struct netr_SidAttr,
164 : user_info_dc->num_sids);
165 62035 : if (sam6->sids == NULL) {
166 0 : TALLOC_FREE(sam6);
167 0 : return NT_STATUS_NO_MEMORY;
168 : }
169 :
170 : /* We don't put the user and group SIDs in there */
171 354905 : for (i=2; i<user_info_dc->num_sids; i++) {
172 292870 : if (dom_sid_in_domain(sam6->base.domain_sid, &user_info_dc->sids[i])) {
173 231964 : continue;
174 : }
175 60906 : sam6->sids[sam6->sidcount].sid = dom_sid_dup(sam6->sids, &user_info_dc->sids[i]);
176 60906 : if (sam6->sids[sam6->sidcount].sid == NULL) {
177 0 : TALLOC_FREE(sam6);
178 0 : return NT_STATUS_NO_MEMORY;
179 : }
180 60906 : sam6->sids[sam6->sidcount].attributes =
181 : SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
182 60906 : sam6->sidcount += 1;
183 : }
184 62035 : if (sam6->sidcount) {
185 54994 : sam6->base.user_flags |= NETLOGON_EXTRA_SIDS;
186 : } else {
187 7041 : sam6->sids = NULL;
188 : }
189 :
190 62035 : if (user_info_dc->info->dns_domain_name != NULL) {
191 62341 : sam6->dns_domainname.string = talloc_strdup(sam6,
192 62035 : user_info_dc->info->dns_domain_name);
193 62035 : if (sam6->dns_domainname.string == NULL) {
194 0 : TALLOC_FREE(sam6);
195 0 : return NT_STATUS_NO_MEMORY;
196 : }
197 : }
198 :
199 62035 : if (user_info_dc->info->user_principal_name != NULL) {
200 62341 : sam6->principal_name.string = talloc_strdup(sam6,
201 62035 : user_info_dc->info->user_principal_name);
202 62035 : if (sam6->principal_name.string == NULL) {
203 0 : TALLOC_FREE(sam6);
204 0 : return NT_STATUS_NO_MEMORY;
205 : }
206 : }
207 :
208 62035 : *_sam6 = sam6;
209 62035 : 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 2433 : 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 2433 : struct netr_SamInfo6 *sam6 = NULL;
220 2433 : struct netr_SamInfo2 *sam2 = NULL;
221 :
222 2433 : sam2 = talloc_zero(mem_ctx, struct netr_SamInfo2);
223 2433 : if (sam2 == NULL) {
224 0 : return NT_STATUS_NO_MEMORY;
225 : }
226 :
227 2433 : status = auth_convert_user_info_dc_saminfo6(sam2, user_info_dc, &sam6);
228 2433 : if (!NT_STATUS_IS_OK(status)) {
229 0 : TALLOC_FREE(sam2);
230 0 : return status;
231 : }
232 2433 : sam2->base = sam6->base;
233 :
234 2433 : *_sam2 = sam2;
235 2433 : 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 57431 : 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 57431 : struct netr_SamInfo6 *sam6 = NULL;
246 57431 : struct netr_SamInfo3 *sam3 = NULL;
247 :
248 57431 : sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
249 57431 : if (sam3 == NULL) {
250 0 : return NT_STATUS_NO_MEMORY;
251 : }
252 :
253 57431 : status = auth_convert_user_info_dc_saminfo6(sam3, user_info_dc, &sam6);
254 57431 : if (!NT_STATUS_IS_OK(status)) {
255 0 : TALLOC_FREE(sam3);
256 0 : return status;
257 : }
258 57431 : sam3->base = sam6->base;
259 57431 : sam3->sidcount = sam6->sidcount;
260 57431 : sam3->sids = sam6->sids;
261 :
262 57431 : *_sam3 = sam3;
263 57431 : 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 60866 : 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 60866 : info = talloc_zero(mem_ctx, struct auth_user_info);
281 60866 : NT_STATUS_HAVE_NO_MEMORY(info);
282 :
283 60866 : if (base->account_name.string) {
284 60866 : info->account_name = talloc_strdup(info, base->account_name.string);
285 : } else {
286 0 : info->account_name = talloc_strdup(info, account_name);
287 : }
288 60866 : NT_STATUS_HAVE_NO_MEMORY(info->account_name);
289 :
290 60866 : if (base->logon_domain.string) {
291 60866 : info->domain_name = talloc_strdup(info, base->logon_domain.string);
292 60866 : NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
293 : }
294 :
295 60866 : if (base->full_name.string) {
296 60603 : info->full_name = talloc_strdup(info, base->full_name.string);
297 60603 : NT_STATUS_HAVE_NO_MEMORY(info->full_name);
298 : }
299 60866 : if (base->logon_script.string) {
300 60603 : info->logon_script = talloc_strdup(info, base->logon_script.string);
301 60603 : NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
302 : }
303 60866 : if (base->profile_path.string) {
304 60603 : info->profile_path = talloc_strdup(info, base->profile_path.string);
305 60603 : NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
306 : }
307 60866 : if (base->home_directory.string) {
308 60603 : info->home_directory = talloc_strdup(info, base->home_directory.string);
309 60603 : NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
310 : }
311 60866 : if (base->home_drive.string) {
312 60603 : info->home_drive = talloc_strdup(info, base->home_drive.string);
313 60603 : NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
314 : }
315 60866 : if (base->logon_server.string) {
316 60603 : info->logon_server = talloc_strdup(info, base->logon_server.string);
317 60603 : NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
318 : }
319 60866 : info->last_logon = base->logon_time;
320 60866 : info->last_logoff = base->logoff_time;
321 60866 : info->acct_expiry = base->kickoff_time;
322 60866 : info->last_password_change = base->last_password_change;
323 60866 : info->allow_password_change = base->allow_password_change;
324 60866 : info->force_password_change = base->force_password_change;
325 60866 : info->logon_count = base->logon_count;
326 60866 : info->bad_password_count = base->bad_password_count;
327 60866 : info->acct_flags = base->acct_flags;
328 :
329 : /* Only set authenticated if both NETLOGON_GUEST is not set, and authenticated is set */
330 60866 : info->authenticated = (authenticated && (!(base->user_flags & NETLOGON_GUEST)));
331 :
332 60866 : *_user_info = info;
333 60866 : return NT_STATUS_OK;
334 : }
335 :
336 404 : struct auth_user_info *auth_user_info_copy(TALLOC_CTX *mem_ctx,
337 : const struct auth_user_info *src)
338 : {
339 404 : struct auth_user_info *dst = NULL;
340 :
341 404 : dst = talloc_zero(mem_ctx, struct auth_user_info);
342 404 : if (dst == NULL) {
343 0 : return NULL;
344 : }
345 :
346 404 : *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)
356 404 : _COPY_STRING(dst, dst->account_name);
357 404 : _COPY_STRING(dst, dst->user_principal_name);
358 404 : _COPY_STRING(dst, dst->domain_name);
359 404 : _COPY_STRING(dst, dst->dns_domain_name);
360 404 : _COPY_STRING(dst, dst->full_name);
361 404 : _COPY_STRING(dst, dst->logon_script);
362 404 : _COPY_STRING(dst, dst->profile_path);
363 404 : _COPY_STRING(dst, dst->home_directory);
364 404 : _COPY_STRING(dst, dst->home_drive);
365 404 : _COPY_STRING(dst, dst->logon_server);
366 : #undef _COPY_STRING
367 :
368 404 : return dst;
369 : }
370 :
371 : /**
372 : * Make a user_info_dc struct from the info3 returned by a domain logon
373 : */
374 59389 : 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 59389 : struct auth_user_info_dc *user_info_dc = NULL;
383 59389 : const struct netr_SamBaseInfo *base = NULL;
384 59389 : uint32_t sidcount = 0;
385 59389 : const struct netr_SidAttr *sids = NULL;
386 59389 : const char *dns_domainname = NULL;
387 59389 : const char *principal = NULL;
388 : uint32_t i;
389 :
390 59389 : switch (validation_level) {
391 0 : case 2:
392 0 : if (!validation || !validation->sam2) {
393 0 : return NT_STATUS_INVALID_PARAMETER;
394 : }
395 0 : base = &validation->sam2->base;
396 0 : break;
397 59102 : case 3:
398 59102 : if (!validation || !validation->sam3) {
399 0 : return NT_STATUS_INVALID_PARAMETER;
400 : }
401 59102 : base = &validation->sam3->base;
402 59102 : sidcount = validation->sam3->sidcount;
403 59102 : sids = validation->sam3->sids;
404 59102 : break;
405 287 : case 6:
406 287 : if (!validation || !validation->sam6) {
407 0 : return NT_STATUS_INVALID_PARAMETER;
408 : }
409 287 : base = &validation->sam6->base;
410 287 : sidcount = validation->sam6->sidcount;
411 287 : sids = validation->sam6->sids;
412 287 : dns_domainname = validation->sam6->dns_domainname.string;
413 287 : principal = validation->sam6->principal_name.string;
414 287 : break;
415 0 : default:
416 0 : return NT_STATUS_INVALID_LEVEL;
417 : }
418 :
419 59389 : user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
420 59389 : 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 59389 : if (!base->domain_sid) {
428 0 : DEBUG(0, ("Cannot operate on a Netlogon Validation without a domain SID"));
429 0 : 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 59389 : if (base->groups.count > 65535) {
435 0 : return NT_STATUS_INVALID_PARAMETER;
436 : }
437 :
438 59389 : user_info_dc->num_sids = 2;
439 :
440 59389 : user_info_dc->sids = talloc_array(user_info_dc, struct dom_sid, user_info_dc->num_sids + base->groups.count);
441 59389 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
442 :
443 59389 : user_info_dc->sids[PRIMARY_USER_SID_INDEX] = *base->domain_sid;
444 59389 : if (!sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX], base->rid)) {
445 0 : return NT_STATUS_INVALID_PARAMETER;
446 : }
447 :
448 59389 : user_info_dc->sids[PRIMARY_GROUP_SID_INDEX] = *base->domain_sid;
449 59389 : if (!sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX], base->primary_gid)) {
450 0 : return NT_STATUS_INVALID_PARAMETER;
451 : }
452 :
453 360069 : for (i = 0; i < base->groups.count; i++) {
454 : /* Skip primary group, already added above */
455 300680 : if (base->groups.rids[i].rid == base->primary_gid) {
456 59389 : continue;
457 : }
458 241291 : user_info_dc->sids[user_info_dc->num_sids] = *base->domain_sid;
459 241291 : if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids], base->groups.rids[i].rid)) {
460 0 : return NT_STATUS_INVALID_PARAMETER;
461 : }
462 241291 : 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 59389 : if (sidcount > UINT16_MAX) {
476 0 : return NT_STATUS_INVALID_PARAMETER;
477 : }
478 :
479 59389 : if (sidcount > 0) {
480 59086 : struct dom_sid *dgrps = user_info_dc->sids;
481 : size_t dgrps_count;
482 :
483 59086 : dgrps_count = user_info_dc->num_sids + sidcount;
484 59086 : dgrps = talloc_realloc(user_info_dc, dgrps, struct dom_sid,
485 : dgrps_count);
486 59086 : if (dgrps == NULL) {
487 0 : return NT_STATUS_NO_MEMORY;
488 : }
489 :
490 123858 : for (i = 0; i < sidcount; i++) {
491 64772 : if (sids[i].sid) {
492 64772 : dgrps[user_info_dc->num_sids] = *sids[i].sid;
493 64772 : user_info_dc->num_sids++;
494 : }
495 : }
496 :
497 59086 : user_info_dc->sids = dgrps;
498 :
499 : /* Where are the 'global' sids?... */
500 : }
501 :
502 59389 : status = make_user_info_SamBaseInfo(user_info_dc, account_name, base, authenticated, &user_info_dc->info);
503 59389 : if (!NT_STATUS_IS_OK(status)) {
504 0 : return status;
505 : }
506 :
507 59389 : if (dns_domainname != NULL) {
508 287 : user_info_dc->info->dns_domain_name = talloc_strdup(user_info_dc->info,
509 : dns_domainname);
510 287 : if (user_info_dc->info->dns_domain_name == NULL) {
511 0 : return NT_STATUS_NO_MEMORY;
512 : }
513 : }
514 :
515 59389 : if (principal != NULL) {
516 287 : user_info_dc->info->user_principal_name = talloc_strdup(user_info_dc->info,
517 : principal);
518 287 : if (user_info_dc->info->user_principal_name == NULL) {
519 0 : return NT_STATUS_NO_MEMORY;
520 : }
521 : }
522 :
523 : /* ensure we are never given NULL session keys */
524 :
525 59389 : if (all_zero(base->key.key, sizeof(base->key.key))) {
526 59170 : user_info_dc->user_session_key = data_blob(NULL, 0);
527 : } else {
528 219 : user_info_dc->user_session_key = data_blob_talloc(user_info_dc, base->key.key, sizeof(base->key.key));
529 219 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
530 : }
531 :
532 59389 : if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
533 59180 : user_info_dc->lm_session_key = data_blob(NULL, 0);
534 : } else {
535 209 : user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, base->LMSessKey.key, sizeof(base->LMSessKey.key));
536 209 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
537 : }
538 :
539 59389 : *_user_info_dc = user_info_dc;
540 59389 : 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 : */
546 59086 : 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 59086 : const struct PAC_DOMAIN_GROUP_MEMBERSHIP *rg = NULL;
556 : size_t sidcount;
557 :
558 59086 : rg = &pac_logon_info->resource_groups;
559 :
560 59086 : validation.sam3 = discard_const_p(struct netr_SamInfo3, &pac_logon_info->info3);
561 :
562 59086 : nt_status = make_user_info_dc_netlogon_validation(mem_ctx, "", 3, &validation,
563 : true, /* This user was authenticated */
564 : &user_info_dc);
565 59086 : if (!NT_STATUS_IS_OK(nt_status)) {
566 0 : return nt_status;
567 : }
568 :
569 59086 : if (pac_logon_info->info3.base.user_flags & NETLOGON_RESOURCE_GROUPS) {
570 0 : rg = &pac_logon_info->resource_groups;
571 : }
572 :
573 59086 : if (rg == NULL) {
574 0 : *_user_info_dc = user_info_dc;
575 0 : return NT_STATUS_OK;
576 : }
577 :
578 59086 : 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 0 : if (rg->groups.count > 65535) {
582 0 : talloc_free(user_info_dc);
583 0 : 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 0 : if (rg->domain_sid == NULL) {
592 0 : talloc_free(user_info_dc);
593 0 : DEBUG(0, ("Cannot operate on a PAC without a resource domain SID"));
594 0 : return NT_STATUS_INVALID_PARAMETER;
595 : }
596 :
597 0 : sidcount = user_info_dc->num_sids + rg->groups.count;
598 0 : user_info_dc->sids
599 0 : = talloc_realloc(user_info_dc, user_info_dc->sids, struct dom_sid, sidcount);
600 0 : if (user_info_dc->sids == NULL) {
601 0 : TALLOC_FREE(user_info_dc);
602 0 : return NT_STATUS_NO_MEMORY;
603 : }
604 :
605 0 : for (i = 0; i < rg->groups.count; i++) {
606 : bool ok;
607 :
608 0 : user_info_dc->sids[user_info_dc->num_sids] = *rg->domain_sid;
609 0 : ok = sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids],
610 0 : rg->groups.rids[i].rid);
611 0 : if (!ok) {
612 0 : return NT_STATUS_INVALID_PARAMETER;
613 : }
614 0 : user_info_dc->num_sids++;
615 : }
616 : }
617 :
618 59086 : if (pac_upn_dns_info != NULL) {
619 59086 : if (pac_upn_dns_info->upn_name != NULL) {
620 118172 : user_info_dc->info->user_principal_name =
621 114123 : talloc_strdup(user_info_dc->info,
622 4049 : pac_upn_dns_info->upn_name);
623 59086 : if (user_info_dc->info->user_principal_name == NULL) {
624 0 : return NT_STATUS_NO_MEMORY;
625 : }
626 : }
627 :
628 118172 : user_info_dc->info->dns_domain_name =
629 114123 : talloc_strdup(user_info_dc->info,
630 4049 : pac_upn_dns_info->dns_domain_name);
631 59086 : if (user_info_dc->info->dns_domain_name == NULL) {
632 0 : return NT_STATUS_NO_MEMORY;
633 : }
634 :
635 59086 : if (pac_upn_dns_info->flags & PAC_UPN_DNS_FLAG_CONSTRUCTED) {
636 55443 : user_info_dc->info->user_principal_constructed = true;
637 : }
638 : }
639 :
640 59086 : *_user_info_dc = user_info_dc;
641 59086 : return NT_STATUS_OK;
642 : }
|
