/src/samba/source3/auth/server_info.c
Line | Count | Source |
1 | | /* |
2 | | Unix SMB/CIFS implementation. |
3 | | Authentication utility functions |
4 | | Copyright (C) Volker Lendecke 2010 |
5 | | |
6 | | This program is free software; you can redistribute it and/or modify |
7 | | it under the terms of the GNU General Public License as published by |
8 | | the Free Software Foundation; either version 3 of the License, or |
9 | | (at your option) any later version. |
10 | | |
11 | | This program is distributed in the hope that it will be useful, |
12 | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | | GNU General Public License for more details. |
15 | | |
16 | | You should have received a copy of the GNU General Public License |
17 | | along with this program. If not, see <http://www.gnu.org/licenses/>. |
18 | | */ |
19 | | |
20 | | #include "includes.h" |
21 | | #include "auth.h" |
22 | | #include "lib/util_unixsids.h" |
23 | | #include "../librpc/gen_ndr/netlogon.h" |
24 | | #include "../libcli/security/security.h" |
25 | | #include "rpc_client/util_netlogon.h" |
26 | | #include "nsswitch/libwbclient/wbclient.h" |
27 | | #include "lib/winbind_util.h" |
28 | | #include "passdb.h" |
29 | | |
30 | | #undef DBGC_CLASS |
31 | 0 | #define DBGC_CLASS DBGC_AUTH |
32 | | |
33 | | /*************************************************************************** |
34 | | Make a server_info struct. Free with TALLOC_FREE(). |
35 | | ***************************************************************************/ |
36 | | |
37 | | struct auth_serversupplied_info *make_server_info(TALLOC_CTX *mem_ctx) |
38 | 0 | { |
39 | 0 | struct auth_serversupplied_info *result; |
40 | |
|
41 | 0 | result = talloc_zero(mem_ctx, struct auth_serversupplied_info); |
42 | 0 | if (result == NULL) { |
43 | 0 | DEBUG(0, ("talloc failed\n")); |
44 | 0 | return NULL; |
45 | 0 | } |
46 | | |
47 | | /* Initialise the uid and gid values to something non-zero |
48 | | which may save us from giving away root access if there |
49 | | is a bug in allocating these fields. */ |
50 | | |
51 | 0 | result->utok.uid = -1; |
52 | 0 | result->utok.gid = -1; |
53 | |
|
54 | 0 | return result; |
55 | 0 | } |
56 | | |
57 | | /**************************************************************************** |
58 | | inits a netr_SamInfo2 structure from an auth_serversupplied_info. sam2 must |
59 | | already be initialized and is used as the talloc parent for its members. |
60 | | *****************************************************************************/ |
61 | | |
62 | | NTSTATUS serverinfo_to_SamInfo2(struct auth_serversupplied_info *server_info, |
63 | | struct netr_SamInfo2 *sam2) |
64 | 0 | { |
65 | 0 | struct netr_SamInfo3 *info3 = NULL; |
66 | 0 | NTSTATUS status; |
67 | |
|
68 | 0 | status = copy_netr_SamInfo3(sam2, |
69 | 0 | server_info->info3, |
70 | 0 | &info3); |
71 | 0 | if (!NT_STATUS_IS_OK(status)) { |
72 | 0 | return status; |
73 | 0 | } |
74 | | |
75 | 0 | if (server_info->session_key.length) { |
76 | 0 | memcpy(info3->base.key.key, |
77 | 0 | server_info->session_key.data, |
78 | 0 | MIN(sizeof(info3->base.key.key), |
79 | 0 | server_info->session_key.length)); |
80 | 0 | } |
81 | 0 | if (server_info->lm_session_key.length) { |
82 | 0 | memcpy(info3->base.LMSessKey.key, |
83 | 0 | server_info->lm_session_key.data, |
84 | 0 | MIN(sizeof(info3->base.LMSessKey.key), |
85 | 0 | server_info->lm_session_key.length)); |
86 | 0 | } |
87 | |
|
88 | 0 | sam2->base = info3->base; |
89 | |
|
90 | 0 | return NT_STATUS_OK; |
91 | 0 | } |
92 | | |
93 | | /**************************************************************************** |
94 | | inits a netr_SamInfo3 structure from an auth_serversupplied_info. sam3 must |
95 | | already be initialized and is used as the talloc parent for its members. |
96 | | *****************************************************************************/ |
97 | | |
98 | | NTSTATUS serverinfo_to_SamInfo3(const struct auth_serversupplied_info *server_info, |
99 | | struct netr_SamInfo3 *sam3) |
100 | 0 | { |
101 | 0 | struct netr_SamInfo3 *info3 = NULL; |
102 | 0 | NTSTATUS status; |
103 | |
|
104 | 0 | status = copy_netr_SamInfo3(sam3, |
105 | 0 | server_info->info3, |
106 | 0 | &info3); |
107 | 0 | if (!NT_STATUS_IS_OK(status)) { |
108 | 0 | return status; |
109 | 0 | } |
110 | | |
111 | 0 | if (server_info->session_key.length) { |
112 | 0 | memcpy(info3->base.key.key, |
113 | 0 | server_info->session_key.data, |
114 | 0 | MIN(sizeof(info3->base.key.key), |
115 | 0 | server_info->session_key.length)); |
116 | 0 | } |
117 | 0 | if (server_info->lm_session_key.length) { |
118 | 0 | memcpy(info3->base.LMSessKey.key, |
119 | 0 | server_info->lm_session_key.data, |
120 | 0 | MIN(sizeof(info3->base.LMSessKey.key), |
121 | 0 | server_info->lm_session_key.length)); |
122 | 0 | } |
123 | |
|
124 | 0 | sam3->base = info3->base; |
125 | |
|
126 | 0 | sam3->sidcount = 0; |
127 | 0 | sam3->sids = NULL; |
128 | |
|
129 | 0 | return NT_STATUS_OK; |
130 | 0 | } |
131 | | |
132 | | /**************************************************************************** |
133 | | inits a netr_SamInfo6 structure from an auth_serversupplied_info. sam6 must |
134 | | already be initialized and is used as the talloc parent for its members. |
135 | | *****************************************************************************/ |
136 | | |
137 | | NTSTATUS serverinfo_to_SamInfo6(struct auth_serversupplied_info *server_info, |
138 | | struct netr_SamInfo6 *sam6) |
139 | 0 | { |
140 | 0 | struct pdb_domain_info *dominfo; |
141 | 0 | struct netr_SamInfo3 *info3 = NULL; |
142 | 0 | NTSTATUS status; |
143 | |
|
144 | 0 | if ((pdb_capabilities() & PDB_CAP_ADS) == 0) { |
145 | 0 | DEBUG(10,("Not adding validation info level 6 " |
146 | 0 | "without ADS passdb backend\n")); |
147 | 0 | return NT_STATUS_INVALID_INFO_CLASS; |
148 | 0 | } |
149 | | |
150 | 0 | dominfo = pdb_get_domain_info(sam6); |
151 | 0 | if (dominfo == NULL) { |
152 | 0 | return NT_STATUS_NO_MEMORY; |
153 | 0 | } |
154 | | |
155 | 0 | status = copy_netr_SamInfo3(sam6, |
156 | 0 | server_info->info3, |
157 | 0 | &info3); |
158 | 0 | if (!NT_STATUS_IS_OK(status)) { |
159 | 0 | return status; |
160 | 0 | } |
161 | | |
162 | 0 | if (server_info->session_key.length) { |
163 | 0 | memcpy(info3->base.key.key, |
164 | 0 | server_info->session_key.data, |
165 | 0 | MIN(sizeof(info3->base.key.key), |
166 | 0 | server_info->session_key.length)); |
167 | 0 | } |
168 | 0 | if (server_info->lm_session_key.length) { |
169 | 0 | memcpy(info3->base.LMSessKey.key, |
170 | 0 | server_info->lm_session_key.data, |
171 | 0 | MIN(sizeof(info3->base.LMSessKey.key), |
172 | 0 | server_info->lm_session_key.length)); |
173 | 0 | } |
174 | |
|
175 | 0 | sam6->base = info3->base; |
176 | |
|
177 | 0 | sam6->sidcount = 0; |
178 | 0 | sam6->sids = NULL; |
179 | |
|
180 | 0 | sam6->dns_domainname.string = talloc_strdup(sam6, dominfo->dns_domain); |
181 | 0 | if (sam6->dns_domainname.string == NULL) { |
182 | 0 | return NT_STATUS_NO_MEMORY; |
183 | 0 | } |
184 | | |
185 | 0 | sam6->principal_name.string = talloc_asprintf( |
186 | 0 | sam6, "%s@%s", sam6->base.account_name.string, |
187 | 0 | sam6->dns_domainname.string); |
188 | 0 | if (sam6->principal_name.string == NULL) { |
189 | 0 | return NT_STATUS_NO_MEMORY; |
190 | 0 | } |
191 | | |
192 | 0 | return NT_STATUS_OK; |
193 | 0 | } |
194 | | |
195 | | static NTSTATUS append_netr_SidAttr(TALLOC_CTX *mem_ctx, |
196 | | struct netr_SidAttr **sids, |
197 | | uint32_t *count, |
198 | | const struct dom_sid2 *asid, |
199 | | uint32_t attributes) |
200 | 0 | { |
201 | 0 | uint32_t t = *count; |
202 | |
|
203 | 0 | *sids = talloc_realloc(mem_ctx, *sids, struct netr_SidAttr, t + 1); |
204 | 0 | if (*sids == NULL) { |
205 | 0 | return NT_STATUS_NO_MEMORY; |
206 | 0 | } |
207 | 0 | (*sids)[t].sid = dom_sid_dup(*sids, asid); |
208 | 0 | if ((*sids)[t].sid == NULL) { |
209 | 0 | return NT_STATUS_NO_MEMORY; |
210 | 0 | } |
211 | 0 | (*sids)[t].attributes = attributes; |
212 | 0 | *count = t + 1; |
213 | |
|
214 | 0 | return NT_STATUS_OK; |
215 | 0 | } |
216 | | |
217 | | /* Fills the samr_RidWithAttributeArray with the provided sids. |
218 | | * If it happens that we have additional groups that do not belong |
219 | | * to the domain, add their sids as extra sids */ |
220 | | static NTSTATUS group_sids_to_info3(struct netr_SamInfo3 *info3, |
221 | | const struct dom_sid *sids, |
222 | | size_t num_sids) |
223 | 0 | { |
224 | 0 | uint32_t attributes = SE_GROUP_DEFAULT_FLAGS; |
225 | 0 | struct samr_RidWithAttributeArray *groups; |
226 | 0 | struct dom_sid *domain_sid; |
227 | 0 | unsigned int i; |
228 | 0 | NTSTATUS status; |
229 | 0 | uint32_t rid; |
230 | 0 | bool ok; |
231 | |
|
232 | 0 | domain_sid = info3->base.domain_sid; |
233 | 0 | groups = &info3->base.groups; |
234 | |
|
235 | 0 | groups->rids = talloc_array(info3, |
236 | 0 | struct samr_RidWithAttribute, num_sids); |
237 | 0 | if (!groups->rids) { |
238 | 0 | return NT_STATUS_NO_MEMORY; |
239 | 0 | } |
240 | | |
241 | 0 | for (i = 0; i < num_sids; i++) { |
242 | 0 | ok = sid_peek_check_rid(domain_sid, &sids[i], &rid); |
243 | 0 | if (ok) { |
244 | | /* store domain group rid */ |
245 | 0 | groups->rids[groups->count].rid = rid; |
246 | 0 | groups->rids[groups->count].attributes = attributes; |
247 | 0 | groups->count++; |
248 | 0 | continue; |
249 | 0 | } |
250 | | |
251 | | /* if this wasn't a domain sid, add it as extra sid */ |
252 | 0 | status = append_netr_SidAttr(info3, &info3->sids, |
253 | 0 | &info3->sidcount, |
254 | 0 | &sids[i], attributes); |
255 | 0 | if (!NT_STATUS_IS_OK(status)) { |
256 | 0 | return status; |
257 | 0 | } |
258 | 0 | } |
259 | | |
260 | 0 | return NT_STATUS_OK; |
261 | 0 | } |
262 | | |
263 | | /* |
264 | | * Merge resource SIDs, if any, into the passed in info3 structure. |
265 | | */ |
266 | | |
267 | | static NTSTATUS merge_resource_sids(const struct PAC_LOGON_INFO *logon_info, |
268 | | struct netr_SamInfo3 *info3) |
269 | 0 | { |
270 | 0 | uint32_t i = 0; |
271 | 0 | const struct PAC_DOMAIN_GROUP_MEMBERSHIP *rg = NULL; |
272 | |
|
273 | 0 | if (logon_info->info3.base.user_flags & NETLOGON_RESOURCE_GROUPS) { |
274 | 0 | rg = &logon_info->resource_groups; |
275 | 0 | } |
276 | |
|
277 | 0 | if (rg == NULL) { |
278 | 0 | return NT_STATUS_OK; |
279 | 0 | } |
280 | | |
281 | 0 | if (rg->domain_sid == NULL) { |
282 | 0 | DEBUG(10, ("Missing Resource Group Domain SID\n")); |
283 | 0 | return NT_STATUS_INVALID_PARAMETER; |
284 | 0 | } |
285 | | |
286 | | /* The IDL layer would be a better place to check this, but to |
287 | | * guard the integer addition below, we double-check */ |
288 | 0 | if (rg->groups.count > 65535) { |
289 | 0 | DEBUG(10, ("Too much Resource Group RIDs %u\n", |
290 | 0 | (unsigned)rg->groups.count)); |
291 | 0 | return NT_STATUS_INVALID_PARAMETER; |
292 | 0 | } |
293 | | |
294 | | /* |
295 | | * If there are any resource groups (SID Compression) add |
296 | | * them to the extra sids portion of the info3 in the PAC. |
297 | | * |
298 | | * This makes the info3 look like it would if we got the info |
299 | | * from the DC rather than the PAC. |
300 | | */ |
301 | | |
302 | | /* |
303 | | * Construct a SID for each RID in the list and then append it |
304 | | * to the info3. |
305 | | */ |
306 | 0 | for (i = 0; i < rg->groups.count; i++) { |
307 | 0 | NTSTATUS status; |
308 | 0 | struct dom_sid new_sid; |
309 | 0 | uint32_t attributes = rg->groups.rids[i].attributes; |
310 | 0 | struct dom_sid_buf buf; |
311 | |
|
312 | 0 | sid_compose(&new_sid, |
313 | 0 | rg->domain_sid, |
314 | 0 | rg->groups.rids[i].rid); |
315 | |
|
316 | 0 | DEBUG(10, ("Adding SID %s to extra SIDS\n", |
317 | 0 | dom_sid_str_buf(&new_sid, &buf))); |
318 | |
|
319 | 0 | status = append_netr_SidAttr(info3, &info3->sids, |
320 | 0 | &info3->sidcount, |
321 | 0 | &new_sid, |
322 | 0 | attributes); |
323 | 0 | if (!NT_STATUS_IS_OK(status)) { |
324 | 0 | DEBUG(1, ("failed to append SID %s to extra SIDS: %s\n", |
325 | 0 | dom_sid_str_buf(&new_sid, &buf), |
326 | 0 | nt_errstr(status))); |
327 | 0 | return status; |
328 | 0 | } |
329 | 0 | } |
330 | | |
331 | 0 | return NT_STATUS_OK; |
332 | 0 | } |
333 | | |
334 | | /* |
335 | | * Create a copy of an info3 struct from the struct PAC_LOGON_INFO, |
336 | | * then merge resource SIDs, if any, into it. If successful return |
337 | | * the created info3 struct. |
338 | | */ |
339 | | |
340 | | NTSTATUS create_info3_from_pac_logon_info(TALLOC_CTX *mem_ctx, |
341 | | const struct PAC_LOGON_INFO *logon_info, |
342 | | struct netr_SamInfo3 **pp_info3) |
343 | 0 | { |
344 | 0 | NTSTATUS status; |
345 | 0 | struct netr_SamInfo3 *info3 = NULL; |
346 | |
|
347 | 0 | status = copy_netr_SamInfo3(mem_ctx, |
348 | 0 | &logon_info->info3, |
349 | 0 | &info3); |
350 | 0 | if (!NT_STATUS_IS_OK(status)) { |
351 | 0 | return status; |
352 | 0 | } |
353 | | |
354 | 0 | status = merge_resource_sids(logon_info, info3); |
355 | 0 | if (!NT_STATUS_IS_OK(status)) { |
356 | 0 | TALLOC_FREE(info3); |
357 | 0 | return status; |
358 | 0 | } |
359 | 0 | *pp_info3 = info3; |
360 | 0 | return NT_STATUS_OK; |
361 | 0 | } |
362 | | |
363 | | /* |
364 | | * Create a copy of an info6 struct from the PAC_UPN_DNS_INFO and PAC_LOGON_INFO |
365 | | * then merge resource SIDs, if any, into it. If successful return the created |
366 | | * info6 struct. |
367 | | */ |
368 | | NTSTATUS create_info6_from_pac(TALLOC_CTX *mem_ctx, |
369 | | const struct PAC_LOGON_INFO *logon_info, |
370 | | const struct PAC_UPN_DNS_INFO *upn_dns_info, |
371 | | struct netr_SamInfo6 **pp_info6) |
372 | 0 | { |
373 | 0 | NTSTATUS status; |
374 | 0 | struct netr_SamInfo6 *info6 = NULL; |
375 | 0 | struct netr_SamInfo3 *info3 = NULL; |
376 | |
|
377 | 0 | info6 = talloc_zero(mem_ctx, struct netr_SamInfo6); |
378 | 0 | if (info6 == NULL) { |
379 | 0 | return NT_STATUS_NO_MEMORY; |
380 | 0 | } |
381 | | |
382 | 0 | status = copy_netr_SamInfo3(info6, |
383 | 0 | &logon_info->info3, |
384 | 0 | &info3); |
385 | 0 | if (!NT_STATUS_IS_OK(status)) { |
386 | 0 | TALLOC_FREE(info6); |
387 | 0 | return status; |
388 | 0 | } |
389 | | |
390 | 0 | status = merge_resource_sids(logon_info, info3); |
391 | 0 | if (!NT_STATUS_IS_OK(status)) { |
392 | 0 | TALLOC_FREE(info6); |
393 | 0 | return status; |
394 | 0 | } |
395 | | |
396 | 0 | info6->base = info3->base; |
397 | 0 | info6->sids = info3->sids; |
398 | 0 | info6->sidcount = info3->sidcount; |
399 | |
|
400 | 0 | if (upn_dns_info != NULL) { |
401 | 0 | info6->dns_domainname.string = talloc_strdup(info6, |
402 | 0 | upn_dns_info->dns_domain_name); |
403 | 0 | if (info6->dns_domainname.string == NULL) { |
404 | 0 | TALLOC_FREE(info6); |
405 | 0 | return NT_STATUS_NO_MEMORY; |
406 | 0 | } |
407 | 0 | info6->principal_name.string = talloc_strdup(info6, |
408 | 0 | upn_dns_info->upn_name); |
409 | 0 | if (info6->principal_name.string == NULL) { |
410 | 0 | TALLOC_FREE(info6); |
411 | 0 | return NT_STATUS_NO_MEMORY; |
412 | 0 | } |
413 | 0 | } |
414 | | |
415 | 0 | *pp_info6 = info6; |
416 | 0 | return NT_STATUS_OK; |
417 | 0 | } |
418 | | |
419 | | /* |
420 | | * Check if this is a "Unix Users" domain user, or a |
421 | | * "Unix Groups" domain group, we need to handle it |
422 | | * in a special way if that's the case. |
423 | | */ |
424 | | |
425 | | static NTSTATUS SamInfo3_handle_sids(const char *username, |
426 | | const struct dom_sid *user_sid, |
427 | | const struct dom_sid *group_sid, |
428 | | struct netr_SamInfo3 *info3, |
429 | | struct dom_sid *domain_sid, |
430 | | struct extra_auth_info *extra) |
431 | 0 | { |
432 | 0 | struct dom_sid_buf buf; |
433 | |
|
434 | 0 | if (sid_check_is_in_unix_users(user_sid)) { |
435 | | /* in info3 you can only set rids for the user and the |
436 | | * primary group, and the domain sid must be that of |
437 | | * the sam domain. |
438 | | * |
439 | | * Store a completely bogus value here. |
440 | | * The real SID is stored in the extra sids. |
441 | | * Other code will know to look there if (-1) is found |
442 | | */ |
443 | 0 | info3->base.rid = (uint32_t)(-1); |
444 | 0 | sid_copy(&extra->user_sid, user_sid); |
445 | |
|
446 | 0 | DEBUG(10, ("Unix User found. Rid marked as " |
447 | 0 | "special and sid (%s) saved as extra sid\n", |
448 | 0 | dom_sid_str_buf(user_sid, &buf))); |
449 | 0 | } else { |
450 | 0 | sid_copy(domain_sid, user_sid); |
451 | 0 | sid_split_rid(domain_sid, &info3->base.rid); |
452 | 0 | } |
453 | |
|
454 | 0 | if (is_null_sid(domain_sid)) { |
455 | 0 | sid_copy(domain_sid, get_global_sam_sid()); |
456 | 0 | } |
457 | | |
458 | | /* check if this is a "Unix Groups" domain group, |
459 | | * if so we need special handling */ |
460 | 0 | if (sid_check_is_in_unix_groups(group_sid)) { |
461 | | /* in info3 you can only set rids for the user and the |
462 | | * primary group, and the domain sid must be that of |
463 | | * the sam domain. |
464 | | * |
465 | | * Store a completely bogus value here. |
466 | | * The real SID is stored in the extra sids. |
467 | | * Other code will know to look there if (-1) is found |
468 | | */ |
469 | 0 | info3->base.primary_gid = (uint32_t)(-1); |
470 | 0 | sid_copy(&extra->pgid_sid, group_sid); |
471 | |
|
472 | 0 | DEBUG(10, ("Unix Group found. Rid marked as " |
473 | 0 | "special and sid (%s) saved as extra sid\n", |
474 | 0 | dom_sid_str_buf(group_sid, &buf))); |
475 | 0 | } else { |
476 | 0 | bool ok = sid_peek_check_rid(domain_sid, group_sid, |
477 | 0 | &info3->base.primary_gid); |
478 | 0 | if (!ok) { |
479 | 0 | struct dom_sid_buf buf2, buf3; |
480 | 0 | DEBUG(1, ("The primary group domain sid(%s) does not " |
481 | 0 | "match the domain sid(%s) for %s(%s)\n", |
482 | 0 | dom_sid_str_buf(group_sid, &buf), |
483 | 0 | dom_sid_str_buf(domain_sid, &buf2), |
484 | 0 | username, |
485 | 0 | dom_sid_str_buf(user_sid, &buf3))); |
486 | 0 | return NT_STATUS_INVALID_SID; |
487 | 0 | } |
488 | 0 | } |
489 | 0 | return NT_STATUS_OK; |
490 | 0 | } |
491 | | |
492 | 0 | #define RET_NOMEM(ptr) do { \ |
493 | 0 | if (!ptr) { \ |
494 | 0 | TALLOC_FREE(info3); \ |
495 | 0 | return NT_STATUS_NO_MEMORY; \ |
496 | 0 | } } while(0) |
497 | | |
498 | | NTSTATUS samu_to_SamInfo3(TALLOC_CTX *mem_ctx, |
499 | | struct samu *samu, |
500 | | const char *login_server, |
501 | | struct netr_SamInfo3 **_info3, |
502 | | struct extra_auth_info *extra) |
503 | 0 | { |
504 | 0 | struct netr_SamInfo3 *info3; |
505 | 0 | const struct dom_sid *user_sid; |
506 | 0 | const struct dom_sid *group_sid; |
507 | 0 | struct dom_sid domain_sid = {0}; |
508 | 0 | struct dom_sid *group_sids; |
509 | 0 | uint32_t num_group_sids = 0; |
510 | 0 | const char *tmp; |
511 | 0 | gid_t *gids; |
512 | 0 | NTSTATUS status; |
513 | |
|
514 | 0 | user_sid = pdb_get_user_sid(samu); |
515 | 0 | group_sid = pdb_get_group_sid(samu); |
516 | |
|
517 | 0 | if (!user_sid || !group_sid) { |
518 | 0 | DEBUG(1, ("Sam account is missing sids!\n")); |
519 | 0 | return NT_STATUS_UNSUCCESSFUL; |
520 | 0 | } |
521 | | |
522 | 0 | info3 = talloc_zero(mem_ctx, struct netr_SamInfo3); |
523 | 0 | if (!info3) { |
524 | 0 | return NT_STATUS_NO_MEMORY; |
525 | 0 | } |
526 | | |
527 | 0 | status = SamInfo3_handle_sids(pdb_get_username(samu), |
528 | 0 | user_sid, |
529 | 0 | group_sid, |
530 | 0 | info3, |
531 | 0 | &domain_sid, |
532 | 0 | extra); |
533 | |
|
534 | 0 | if (!NT_STATUS_IS_OK(status)) { |
535 | 0 | TALLOC_FREE(info3); |
536 | 0 | return status; |
537 | 0 | } |
538 | | |
539 | 0 | unix_to_nt_time(&info3->base.logon_time, pdb_get_logon_time(samu)); |
540 | 0 | unix_to_nt_time(&info3->base.logoff_time, get_time_t_max()); |
541 | 0 | unix_to_nt_time(&info3->base.kickoff_time, get_time_t_max()); |
542 | 0 | unix_to_nt_time(&info3->base.last_password_change, |
543 | 0 | pdb_get_pass_last_set_time(samu)); |
544 | 0 | unix_to_nt_time(&info3->base.allow_password_change, |
545 | 0 | pdb_get_pass_can_change_time(samu)); |
546 | 0 | unix_to_nt_time(&info3->base.force_password_change, |
547 | 0 | pdb_get_pass_must_change_time(samu)); |
548 | |
|
549 | 0 | tmp = pdb_get_username(samu); |
550 | 0 | if (tmp) { |
551 | 0 | info3->base.account_name.string = talloc_strdup(info3, tmp); |
552 | 0 | RET_NOMEM(info3->base.account_name.string); |
553 | 0 | } |
554 | 0 | tmp = pdb_get_fullname(samu); |
555 | 0 | if (tmp) { |
556 | 0 | info3->base.full_name.string = talloc_strdup(info3, tmp); |
557 | 0 | RET_NOMEM(info3->base.full_name.string); |
558 | 0 | } |
559 | 0 | tmp = pdb_get_logon_script(samu); |
560 | 0 | if (tmp) { |
561 | 0 | info3->base.logon_script.string = talloc_strdup(info3, tmp); |
562 | 0 | RET_NOMEM(info3->base.logon_script.string); |
563 | 0 | } |
564 | 0 | tmp = pdb_get_profile_path(samu); |
565 | 0 | if (tmp) { |
566 | 0 | info3->base.profile_path.string = talloc_strdup(info3, tmp); |
567 | 0 | RET_NOMEM(info3->base.profile_path.string); |
568 | 0 | } |
569 | 0 | tmp = pdb_get_homedir(samu); |
570 | 0 | if (tmp) { |
571 | 0 | info3->base.home_directory.string = talloc_strdup(info3, tmp); |
572 | 0 | RET_NOMEM(info3->base.home_directory.string); |
573 | 0 | } |
574 | 0 | tmp = pdb_get_dir_drive(samu); |
575 | 0 | if (tmp) { |
576 | 0 | info3->base.home_drive.string = talloc_strdup(info3, tmp); |
577 | 0 | RET_NOMEM(info3->base.home_drive.string); |
578 | 0 | } |
579 | | |
580 | 0 | info3->base.logon_count = pdb_get_logon_count(samu); |
581 | 0 | info3->base.bad_password_count = pdb_get_bad_password_count(samu); |
582 | |
|
583 | 0 | info3->base.logon_domain.string = talloc_strdup(info3, |
584 | 0 | pdb_get_domain(samu)); |
585 | 0 | RET_NOMEM(info3->base.logon_domain.string); |
586 | | |
587 | 0 | info3->base.domain_sid = dom_sid_dup(info3, &domain_sid); |
588 | 0 | RET_NOMEM(info3->base.domain_sid); |
589 | | |
590 | 0 | status = pdb_enum_group_memberships(mem_ctx, samu, |
591 | 0 | &group_sids, &gids, |
592 | 0 | &num_group_sids); |
593 | 0 | if (!NT_STATUS_IS_OK(status)) { |
594 | 0 | DEBUG(1, ("Failed to get groups from sam account.\n")); |
595 | 0 | TALLOC_FREE(info3); |
596 | 0 | return status; |
597 | 0 | } |
598 | | |
599 | 0 | if (num_group_sids) { |
600 | 0 | status = group_sids_to_info3(info3, group_sids, num_group_sids); |
601 | 0 | if (!NT_STATUS_IS_OK(status)) { |
602 | 0 | TALLOC_FREE(info3); |
603 | 0 | return status; |
604 | 0 | } |
605 | 0 | } |
606 | | |
607 | | /* We don't need sids and gids after the conversion */ |
608 | 0 | TALLOC_FREE(group_sids); |
609 | 0 | TALLOC_FREE(gids); |
610 | 0 | num_group_sids = 0; |
611 | | |
612 | | /* FIXME: should we add other flags ? */ |
613 | 0 | info3->base.user_flags = NETLOGON_EXTRA_SIDS; |
614 | |
|
615 | 0 | if (login_server) { |
616 | 0 | info3->base.logon_server.string = talloc_strdup(info3, login_server); |
617 | 0 | RET_NOMEM(info3->base.logon_server.string); |
618 | 0 | } |
619 | | |
620 | 0 | info3->base.acct_flags = pdb_get_acct_ctrl(samu); |
621 | |
|
622 | 0 | *_info3 = info3; |
623 | 0 | return NT_STATUS_OK; |
624 | 0 | } |
625 | | |
626 | | NTSTATUS passwd_to_SamInfo3(TALLOC_CTX *mem_ctx, |
627 | | const char *unix_username, |
628 | | const struct passwd *pwd, |
629 | | struct netr_SamInfo3 **pinfo3, |
630 | | struct extra_auth_info *extra) |
631 | 0 | { |
632 | 0 | struct netr_SamInfo3 *info3; |
633 | 0 | NTSTATUS status; |
634 | 0 | TALLOC_CTX *tmp_ctx; |
635 | 0 | const char *domain_name = NULL; |
636 | 0 | const char *user_name = NULL; |
637 | 0 | struct dom_sid domain_sid; |
638 | 0 | struct dom_sid user_sid; |
639 | 0 | struct dom_sid group_sid; |
640 | 0 | enum lsa_SidType type; |
641 | 0 | uint32_t num_sids = 0; |
642 | 0 | struct dom_sid *user_sids = NULL; |
643 | 0 | bool is_null; |
644 | 0 | bool ok; |
645 | |
|
646 | 0 | tmp_ctx = talloc_stackframe(); |
647 | |
|
648 | 0 | ok = lookup_name_smbconf(tmp_ctx, |
649 | 0 | unix_username, |
650 | 0 | LOOKUP_NAME_ALL, |
651 | 0 | &domain_name, |
652 | 0 | &user_name, |
653 | 0 | &user_sid, |
654 | 0 | &type); |
655 | 0 | if (!ok) { |
656 | 0 | status = NT_STATUS_NO_SUCH_USER; |
657 | 0 | goto done; |
658 | 0 | } |
659 | | |
660 | 0 | if (type != SID_NAME_USER) { |
661 | 0 | status = NT_STATUS_NO_SUCH_USER; |
662 | 0 | goto done; |
663 | 0 | } |
664 | | |
665 | 0 | ok = winbind_lookup_usersids(tmp_ctx, |
666 | 0 | &user_sid, |
667 | 0 | &num_sids, |
668 | 0 | &user_sids); |
669 | | /* Check if winbind is running */ |
670 | 0 | if (ok) { |
671 | | /* |
672 | | * Winbind is running and the first element of the user_sids |
673 | | * is the primary group. |
674 | | */ |
675 | 0 | if (num_sids == 0) { |
676 | 0 | DBG_INFO("User %s has no groups\n", unix_username); |
677 | 0 | return NT_STATUS_NO_SUCH_USER; |
678 | 0 | } |
679 | 0 | group_sid = user_sids[0]; |
680 | 0 | } else { |
681 | | /* |
682 | | * Winbind is not running, try to create the group_sid from the |
683 | | * passwd group id. |
684 | | */ |
685 | | |
686 | | /* |
687 | | * This can lead to a primary group of S-1-22-2-XX which |
688 | | * will be rejected by other Samba code. |
689 | | */ |
690 | 0 | gid_to_sid(&group_sid, pwd->pw_gid); |
691 | 0 | } |
692 | | |
693 | | /* |
694 | | * If we are a unix group, or a wellknown/builtin alias, |
695 | | * set the group_sid to the |
696 | | * 'Domain Users' RID of 513 which will always resolve to a |
697 | | * name. |
698 | | */ |
699 | 0 | if (sid_check_is_in_unix_groups(&group_sid) || |
700 | 0 | sid_check_is_in_builtin(&group_sid) || |
701 | 0 | sid_check_is_in_wellknown_domain(&group_sid)) { |
702 | 0 | if (sid_check_is_in_unix_users(&user_sid)) { |
703 | 0 | sid_compose(&group_sid, |
704 | 0 | get_global_sam_sid(), |
705 | 0 | DOMAIN_RID_USERS); |
706 | 0 | } else { |
707 | 0 | sid_copy(&domain_sid, &user_sid); |
708 | 0 | sid_split_rid(&domain_sid, NULL); |
709 | 0 | sid_compose(&group_sid, |
710 | 0 | &domain_sid, |
711 | 0 | DOMAIN_RID_USERS); |
712 | 0 | } |
713 | 0 | } |
714 | | |
715 | | /* Make sure we have a valid group sid */ |
716 | 0 | is_null = is_null_sid(&group_sid); |
717 | 0 | if (is_null) { |
718 | 0 | status = NT_STATUS_NO_SUCH_USER; |
719 | 0 | goto done; |
720 | 0 | } |
721 | | |
722 | | /* Construct a netr_SamInfo3 from the information we have */ |
723 | 0 | info3 = talloc_zero(tmp_ctx, struct netr_SamInfo3); |
724 | 0 | if (!info3) { |
725 | 0 | status = NT_STATUS_NO_MEMORY; |
726 | 0 | goto done; |
727 | 0 | } |
728 | | |
729 | 0 | info3->base.account_name.string = talloc_strdup(info3, unix_username); |
730 | 0 | if (info3->base.account_name.string == NULL) { |
731 | 0 | status = NT_STATUS_NO_MEMORY; |
732 | 0 | goto done; |
733 | 0 | } |
734 | | |
735 | 0 | info3->base.logon_domain.string = talloc_strdup(info3, domain_name); |
736 | 0 | if (info3->base.logon_domain.string == NULL) { |
737 | 0 | status = NT_STATUS_NO_MEMORY; |
738 | 0 | goto done; |
739 | 0 | } |
740 | | |
741 | 0 | ZERO_STRUCT(domain_sid); |
742 | |
|
743 | 0 | status = SamInfo3_handle_sids(unix_username, |
744 | 0 | &user_sid, |
745 | 0 | &group_sid, |
746 | 0 | info3, |
747 | 0 | &domain_sid, |
748 | 0 | extra); |
749 | |
|
750 | 0 | if (!NT_STATUS_IS_OK(status)) { |
751 | 0 | goto done; |
752 | 0 | } |
753 | | |
754 | 0 | info3->base.domain_sid = dom_sid_dup(info3, &domain_sid); |
755 | 0 | if (info3->base.domain_sid == NULL) { |
756 | 0 | status = NT_STATUS_NO_MEMORY; |
757 | 0 | goto done; |
758 | 0 | } |
759 | | |
760 | 0 | ok = sid_peek_check_rid(&domain_sid, &group_sid, |
761 | 0 | &info3->base.primary_gid); |
762 | 0 | if (!ok) { |
763 | 0 | struct dom_sid_buf buf1, buf2, buf3; |
764 | |
|
765 | 0 | DEBUG(1, ("The primary group domain sid(%s) does not " |
766 | 0 | "match the domain sid(%s) for %s(%s)\n", |
767 | 0 | dom_sid_str_buf(&group_sid, &buf1), |
768 | 0 | dom_sid_str_buf(&domain_sid, &buf2), |
769 | 0 | unix_username, |
770 | 0 | dom_sid_str_buf(&user_sid, &buf3))); |
771 | 0 | status = NT_STATUS_INVALID_SID; |
772 | 0 | goto done; |
773 | 0 | } |
774 | | |
775 | 0 | info3->base.acct_flags = ACB_NORMAL; |
776 | |
|
777 | 0 | if (num_sids) { |
778 | 0 | status = group_sids_to_info3(info3, user_sids, num_sids); |
779 | 0 | if (!NT_STATUS_IS_OK(status)) { |
780 | 0 | goto done; |
781 | 0 | } |
782 | 0 | } |
783 | | |
784 | 0 | *pinfo3 = talloc_move(mem_ctx, &info3); |
785 | |
|
786 | 0 | status = NT_STATUS_OK; |
787 | 0 | done: |
788 | 0 | talloc_free(tmp_ctx); |
789 | |
|
790 | 0 | return status; |
791 | 0 | } |