1 | /*
|
---|
2 | Unix SMB/CIFS implementation.
|
---|
3 | Password and authentication handling
|
---|
4 | Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2010
|
---|
5 | Copyright (C) Gerald Carter 2003
|
---|
6 | Copyright (C) Stefan Metzmacher 2005
|
---|
7 | Copyright (C) Matthias Dieter Wallnöfer 2009
|
---|
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 "system/time.h"
|
---|
25 | #include "auth/auth.h"
|
---|
26 | #include <ldb.h>
|
---|
27 | #include "dsdb/samdb/samdb.h"
|
---|
28 | #include "libcli/security/security.h"
|
---|
29 | #include "auth/auth_sam.h"
|
---|
30 | #include "dsdb/common/util.h"
|
---|
31 | #include "libcli/ldap/ldap_ndr.h"
|
---|
32 | #include "param/param.h"
|
---|
33 |
|
---|
34 | #define KRBTGT_ATTRS \
|
---|
35 | /* required for the krb5 kdc */ \
|
---|
36 | "objectClass", \
|
---|
37 | "sAMAccountName", \
|
---|
38 | "userPrincipalName", \
|
---|
39 | "servicePrincipalName", \
|
---|
40 | "msDS-KeyVersionNumber", \
|
---|
41 | "msDS-SecondaryKrbTgtNumber", \
|
---|
42 | "msDS-SupportedEncryptionTypes", \
|
---|
43 | "supplementalCredentials", \
|
---|
44 | \
|
---|
45 | /* passwords */ \
|
---|
46 | "dBCSPwd", \
|
---|
47 | "unicodePwd", \
|
---|
48 | \
|
---|
49 | "userAccountControl", \
|
---|
50 | "objectSid", \
|
---|
51 | \
|
---|
52 | "pwdLastSet", \
|
---|
53 | "accountExpires"
|
---|
54 |
|
---|
55 | const char *krbtgt_attrs[] = {
|
---|
56 | KRBTGT_ATTRS, NULL
|
---|
57 | };
|
---|
58 |
|
---|
59 | const char *server_attrs[] = {
|
---|
60 | KRBTGT_ATTRS, NULL
|
---|
61 | };
|
---|
62 |
|
---|
63 | const char *user_attrs[] = {
|
---|
64 | KRBTGT_ATTRS,
|
---|
65 |
|
---|
66 | "logonHours",
|
---|
67 |
|
---|
68 | /* check 'allowed workstations' */
|
---|
69 | "userWorkstations",
|
---|
70 |
|
---|
71 | /* required for user_info_dc, not access control: */
|
---|
72 | "displayName",
|
---|
73 | "scriptPath",
|
---|
74 | "profilePath",
|
---|
75 | "homeDirectory",
|
---|
76 | "homeDrive",
|
---|
77 | "lastLogon",
|
---|
78 | "lastLogoff",
|
---|
79 | "accountExpires",
|
---|
80 | "badPwdCount",
|
---|
81 | "logonCount",
|
---|
82 | "primaryGroupID",
|
---|
83 | "memberOf",
|
---|
84 | NULL,
|
---|
85 | };
|
---|
86 |
|
---|
87 | /****************************************************************************
|
---|
88 | Check if a user is allowed to logon at this time. Note this is the
|
---|
89 | servers local time, as logon hours are just specified as a weekly
|
---|
90 | bitmask.
|
---|
91 | ****************************************************************************/
|
---|
92 |
|
---|
93 | static bool logon_hours_ok(struct ldb_message *msg, const char *name_for_logs)
|
---|
94 | {
|
---|
95 | /* In logon hours first bit is Sunday from 12AM to 1AM */
|
---|
96 | const struct ldb_val *hours;
|
---|
97 | struct tm *utctime;
|
---|
98 | time_t lasttime;
|
---|
99 | const char *asct;
|
---|
100 | uint8_t bitmask, bitpos;
|
---|
101 |
|
---|
102 | hours = ldb_msg_find_ldb_val(msg, "logonHours");
|
---|
103 | if (!hours) {
|
---|
104 | DEBUG(5,("logon_hours_ok: No hours restrictions for user %s\n", name_for_logs));
|
---|
105 | return true;
|
---|
106 | }
|
---|
107 |
|
---|
108 | if (hours->length != 168/8) {
|
---|
109 | DEBUG(5,("logon_hours_ok: malformed logon hours restrictions for user %s\n", name_for_logs));
|
---|
110 | return true;
|
---|
111 | }
|
---|
112 |
|
---|
113 | lasttime = time(NULL);
|
---|
114 | utctime = gmtime(&lasttime);
|
---|
115 | if (!utctime) {
|
---|
116 | DEBUG(1, ("logon_hours_ok: failed to get gmtime. Failing logon for user %s\n",
|
---|
117 | name_for_logs));
|
---|
118 | return false;
|
---|
119 | }
|
---|
120 |
|
---|
121 | /* find the corresponding byte and bit */
|
---|
122 | bitpos = (utctime->tm_wday * 24 + utctime->tm_hour) % 168;
|
---|
123 | bitmask = 1 << (bitpos % 8);
|
---|
124 |
|
---|
125 | if (! (hours->data[bitpos/8] & bitmask)) {
|
---|
126 | struct tm *t = localtime(&lasttime);
|
---|
127 | if (!t) {
|
---|
128 | asct = "INVALID TIME";
|
---|
129 | } else {
|
---|
130 | asct = asctime(t);
|
---|
131 | if (!asct) {
|
---|
132 | asct = "INVALID TIME";
|
---|
133 | }
|
---|
134 | }
|
---|
135 |
|
---|
136 | DEBUG(1, ("logon_hours_ok: Account for user %s not allowed to "
|
---|
137 | "logon at this time (%s).\n",
|
---|
138 | name_for_logs, asct ));
|
---|
139 | return false;
|
---|
140 | }
|
---|
141 |
|
---|
142 | asct = asctime(utctime);
|
---|
143 | DEBUG(5,("logon_hours_ok: user %s allowed to logon at this time (%s)\n",
|
---|
144 | name_for_logs, asct ? asct : "UNKNOWN TIME" ));
|
---|
145 |
|
---|
146 | return true;
|
---|
147 | }
|
---|
148 |
|
---|
149 | /****************************************************************************
|
---|
150 | Do a specific test for a SAM_ACCOUNT being valid for this connection
|
---|
151 | (ie not disabled, expired and the like).
|
---|
152 | ****************************************************************************/
|
---|
153 | _PUBLIC_ NTSTATUS authsam_account_ok(TALLOC_CTX *mem_ctx,
|
---|
154 | struct ldb_context *sam_ctx,
|
---|
155 | uint32_t logon_parameters,
|
---|
156 | struct ldb_dn *domain_dn,
|
---|
157 | struct ldb_message *msg,
|
---|
158 | const char *logon_workstation,
|
---|
159 | const char *name_for_logs,
|
---|
160 | bool allow_domain_trust,
|
---|
161 | bool password_change)
|
---|
162 | {
|
---|
163 | uint16_t acct_flags;
|
---|
164 | const char *workstation_list;
|
---|
165 | NTTIME acct_expiry;
|
---|
166 | NTTIME must_change_time;
|
---|
167 |
|
---|
168 | NTTIME now;
|
---|
169 | DEBUG(4,("authsam_account_ok: Checking SMB password for user %s\n", name_for_logs));
|
---|
170 |
|
---|
171 | acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx, msg, domain_dn);
|
---|
172 |
|
---|
173 | acct_expiry = samdb_result_account_expires(msg);
|
---|
174 |
|
---|
175 | /* Check for when we must change this password, taking the
|
---|
176 | * userAccountControl flags into account */
|
---|
177 | must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
|
---|
178 | domain_dn, msg);
|
---|
179 |
|
---|
180 | workstation_list = ldb_msg_find_attr_as_string(msg, "userWorkstations", NULL);
|
---|
181 |
|
---|
182 | /* Quit if the account was disabled. */
|
---|
183 | if (acct_flags & ACB_DISABLED) {
|
---|
184 | DEBUG(2,("authsam_account_ok: Account for user '%s' was disabled.\n", name_for_logs));
|
---|
185 | return NT_STATUS_ACCOUNT_DISABLED;
|
---|
186 | }
|
---|
187 |
|
---|
188 | /* Quit if the account was locked out. */
|
---|
189 | if (acct_flags & ACB_AUTOLOCK) {
|
---|
190 | DEBUG(2,("authsam_account_ok: Account for user %s was locked out.\n", name_for_logs));
|
---|
191 | return NT_STATUS_ACCOUNT_LOCKED_OUT;
|
---|
192 | }
|
---|
193 |
|
---|
194 | /* Test account expire time */
|
---|
195 | unix_to_nt_time(&now, time(NULL));
|
---|
196 | if (now > acct_expiry) {
|
---|
197 | DEBUG(2,("authsam_account_ok: Account for user '%s' has expired.\n", name_for_logs));
|
---|
198 | DEBUG(3,("authsam_account_ok: Account expired at '%s'.\n",
|
---|
199 | nt_time_string(mem_ctx, acct_expiry)));
|
---|
200 | return NT_STATUS_ACCOUNT_EXPIRED;
|
---|
201 | }
|
---|
202 |
|
---|
203 | /* check for immediate expiry "must change at next logon" (but not if this is a password change request) */
|
---|
204 | if ((must_change_time == 0) && !password_change) {
|
---|
205 | DEBUG(2,("sam_account_ok: Account for user '%s' password must change!.\n",
|
---|
206 | name_for_logs));
|
---|
207 | return NT_STATUS_PASSWORD_MUST_CHANGE;
|
---|
208 | }
|
---|
209 |
|
---|
210 | /* check for expired password (but not if this is a password change request) */
|
---|
211 | if ((must_change_time < now) && !password_change) {
|
---|
212 | DEBUG(2,("sam_account_ok: Account for user '%s' password expired!.\n",
|
---|
213 | name_for_logs));
|
---|
214 | DEBUG(2,("sam_account_ok: Password expired at '%s' unix time.\n",
|
---|
215 | nt_time_string(mem_ctx, must_change_time)));
|
---|
216 | return NT_STATUS_PASSWORD_EXPIRED;
|
---|
217 | }
|
---|
218 |
|
---|
219 | /* Test workstation. Workstation list is comma separated. */
|
---|
220 | if (logon_workstation && workstation_list && *workstation_list) {
|
---|
221 | bool invalid_ws = true;
|
---|
222 | int i;
|
---|
223 | const char **workstations = (const char **)str_list_make(mem_ctx, workstation_list, ",");
|
---|
224 |
|
---|
225 | for (i = 0; workstations && workstations[i]; i++) {
|
---|
226 | DEBUG(10,("sam_account_ok: checking for workstation match '%s' and '%s'\n",
|
---|
227 | workstations[i], logon_workstation));
|
---|
228 |
|
---|
229 | if (strequal(workstations[i], logon_workstation)) {
|
---|
230 | invalid_ws = false;
|
---|
231 | break;
|
---|
232 | }
|
---|
233 | }
|
---|
234 |
|
---|
235 | talloc_free(workstations);
|
---|
236 |
|
---|
237 | if (invalid_ws) {
|
---|
238 | return NT_STATUS_INVALID_WORKSTATION;
|
---|
239 | }
|
---|
240 | }
|
---|
241 |
|
---|
242 | if (!logon_hours_ok(msg, name_for_logs)) {
|
---|
243 | return NT_STATUS_INVALID_LOGON_HOURS;
|
---|
244 | }
|
---|
245 |
|
---|
246 | if (!allow_domain_trust) {
|
---|
247 | if (acct_flags & ACB_DOMTRUST) {
|
---|
248 | DEBUG(2,("sam_account_ok: Domain trust account %s denied by server\n", name_for_logs));
|
---|
249 | return NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT;
|
---|
250 | }
|
---|
251 | }
|
---|
252 | if (!(logon_parameters & MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT)) {
|
---|
253 | if (acct_flags & ACB_SVRTRUST) {
|
---|
254 | DEBUG(2,("sam_account_ok: Server trust account %s denied by server\n", name_for_logs));
|
---|
255 | return NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT;
|
---|
256 | }
|
---|
257 | }
|
---|
258 | if (!(logon_parameters & MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT)) {
|
---|
259 | /* TODO: this fails with current solaris client. We
|
---|
260 | need to work with Gordon to work out why */
|
---|
261 | if (acct_flags & ACB_WSTRUST) {
|
---|
262 | DEBUG(4,("sam_account_ok: Wksta trust account %s denied by server\n", name_for_logs));
|
---|
263 | return NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
|
---|
264 | }
|
---|
265 | }
|
---|
266 |
|
---|
267 | return NT_STATUS_OK;
|
---|
268 | }
|
---|
269 |
|
---|
270 | _PUBLIC_ NTSTATUS authsam_make_user_info_dc(TALLOC_CTX *mem_ctx,
|
---|
271 | struct ldb_context *sam_ctx,
|
---|
272 | const char *netbios_name,
|
---|
273 | const char *domain_name,
|
---|
274 | struct ldb_dn *domain_dn,
|
---|
275 | struct ldb_message *msg,
|
---|
276 | DATA_BLOB user_sess_key,
|
---|
277 | DATA_BLOB lm_sess_key,
|
---|
278 | struct auth_user_info_dc **_user_info_dc)
|
---|
279 | {
|
---|
280 | NTSTATUS status;
|
---|
281 | struct auth_user_info_dc *user_info_dc;
|
---|
282 | struct auth_user_info *info;
|
---|
283 | const char *str, *filter;
|
---|
284 | /* SIDs for the account and his primary group */
|
---|
285 | struct dom_sid *account_sid;
|
---|
286 | const char *primary_group_string;
|
---|
287 | const char *primary_group_dn;
|
---|
288 | DATA_BLOB primary_group_blob;
|
---|
289 | /* SID structures for the expanded group memberships */
|
---|
290 | struct dom_sid *sids = NULL;
|
---|
291 | unsigned int num_sids = 0, i;
|
---|
292 | struct dom_sid *domain_sid;
|
---|
293 | TALLOC_CTX *tmp_ctx;
|
---|
294 | struct ldb_message_element *el;
|
---|
295 |
|
---|
296 | user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
|
---|
297 | NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
|
---|
298 |
|
---|
299 | tmp_ctx = talloc_new(user_info_dc);
|
---|
300 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc, user_info_dc);
|
---|
301 |
|
---|
302 | sids = talloc_array(user_info_dc, struct dom_sid, 2);
|
---|
303 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sids, user_info_dc);
|
---|
304 |
|
---|
305 | num_sids = 2;
|
---|
306 |
|
---|
307 | account_sid = samdb_result_dom_sid(user_info_dc, msg, "objectSid");
|
---|
308 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(account_sid, user_info_dc);
|
---|
309 |
|
---|
310 | status = dom_sid_split_rid(tmp_ctx, account_sid, &domain_sid, NULL);
|
---|
311 | if (!NT_STATUS_IS_OK(status)) {
|
---|
312 | talloc_free(user_info_dc);
|
---|
313 | return status;
|
---|
314 | }
|
---|
315 |
|
---|
316 | sids[PRIMARY_USER_SID_INDEX] = *account_sid;
|
---|
317 | sids[PRIMARY_GROUP_SID_INDEX] = *domain_sid;
|
---|
318 | sid_append_rid(&sids[PRIMARY_GROUP_SID_INDEX], ldb_msg_find_attr_as_uint(msg, "primaryGroupID", ~0));
|
---|
319 |
|
---|
320 | /* Filter out builtin groups from this token. We will search
|
---|
321 | * for builtin groups later, and not include them in the PAC
|
---|
322 | * on SamLogon validation info */
|
---|
323 | filter = talloc_asprintf(tmp_ctx, "(&(objectClass=group)(!(groupType:1.2.840.113556.1.4.803:=%u))(groupType:1.2.840.113556.1.4.803:=%u))", GROUP_TYPE_BUILTIN_LOCAL_GROUP, GROUP_TYPE_SECURITY_ENABLED);
|
---|
324 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(filter, user_info_dc);
|
---|
325 |
|
---|
326 | primary_group_string = dom_sid_string(tmp_ctx, &sids[PRIMARY_GROUP_SID_INDEX]);
|
---|
327 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(primary_group_string, user_info_dc);
|
---|
328 |
|
---|
329 | primary_group_dn = talloc_asprintf(tmp_ctx, "<SID=%s>", primary_group_string);
|
---|
330 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(primary_group_dn, user_info_dc);
|
---|
331 |
|
---|
332 | primary_group_blob = data_blob_string_const(primary_group_dn);
|
---|
333 |
|
---|
334 | /* Expands the primary group - this function takes in
|
---|
335 | * memberOf-like values, so we fake one up with the
|
---|
336 | * <SID=S-...> format of DN and then let it expand
|
---|
337 | * them, as long as they meet the filter - so only
|
---|
338 | * domain groups, not builtin groups
|
---|
339 | *
|
---|
340 | * The primary group is still treated specially, so we set the
|
---|
341 | * 'only childs' flag to true
|
---|
342 | */
|
---|
343 | status = dsdb_expand_nested_groups(sam_ctx, &primary_group_blob, true, filter,
|
---|
344 | user_info_dc, &sids, &num_sids);
|
---|
345 | if (!NT_STATUS_IS_OK(status)) {
|
---|
346 | talloc_free(user_info_dc);
|
---|
347 | return status;
|
---|
348 | }
|
---|
349 |
|
---|
350 | /* Expands the additional groups */
|
---|
351 | el = ldb_msg_find_element(msg, "memberOf");
|
---|
352 | for (i = 0; el && i < el->num_values; i++) {
|
---|
353 | /* This function takes in memberOf values and expands
|
---|
354 | * them, as long as they meet the filter - so only
|
---|
355 | * domain groups, not builtin groups */
|
---|
356 | status = dsdb_expand_nested_groups(sam_ctx, &el->values[i], false, filter,
|
---|
357 | user_info_dc, &sids, &num_sids);
|
---|
358 | if (!NT_STATUS_IS_OK(status)) {
|
---|
359 | talloc_free(user_info_dc);
|
---|
360 | return status;
|
---|
361 | }
|
---|
362 | }
|
---|
363 |
|
---|
364 | user_info_dc->sids = sids;
|
---|
365 | user_info_dc->num_sids = num_sids;
|
---|
366 |
|
---|
367 | user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
|
---|
368 | NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
|
---|
369 |
|
---|
370 | info->account_name = talloc_steal(info,
|
---|
371 | ldb_msg_find_attr_as_string(msg, "sAMAccountName", NULL));
|
---|
372 |
|
---|
373 | info->domain_name = talloc_strdup(info, domain_name);
|
---|
374 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->domain_name,
|
---|
375 | user_info_dc);
|
---|
376 |
|
---|
377 | str = ldb_msg_find_attr_as_string(msg, "displayName", "");
|
---|
378 | info->full_name = talloc_strdup(info, str);
|
---|
379 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->full_name, user_info_dc);
|
---|
380 |
|
---|
381 | str = ldb_msg_find_attr_as_string(msg, "scriptPath", "");
|
---|
382 | info->logon_script = talloc_strdup(info, str);
|
---|
383 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->logon_script,
|
---|
384 | user_info_dc);
|
---|
385 |
|
---|
386 | str = ldb_msg_find_attr_as_string(msg, "profilePath", "");
|
---|
387 | info->profile_path = talloc_strdup(info, str);
|
---|
388 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->profile_path,
|
---|
389 | user_info_dc);
|
---|
390 |
|
---|
391 | str = ldb_msg_find_attr_as_string(msg, "homeDirectory", "");
|
---|
392 | info->home_directory = talloc_strdup(info, str);
|
---|
393 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->home_directory,
|
---|
394 | user_info_dc);
|
---|
395 |
|
---|
396 | str = ldb_msg_find_attr_as_string(msg, "homeDrive", "");
|
---|
397 | info->home_drive = talloc_strdup(info, str);
|
---|
398 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->home_drive, user_info_dc);
|
---|
399 |
|
---|
400 | info->logon_server = talloc_strdup(info, netbios_name);
|
---|
401 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->logon_server,
|
---|
402 | user_info_dc);
|
---|
403 |
|
---|
404 | info->last_logon = samdb_result_nttime(msg, "lastLogon", 0);
|
---|
405 | info->last_logoff = samdb_result_last_logoff(msg);
|
---|
406 | info->acct_expiry = samdb_result_account_expires(msg);
|
---|
407 | info->last_password_change = samdb_result_nttime(msg,
|
---|
408 | "pwdLastSet", 0);
|
---|
409 | info->allow_password_change
|
---|
410 | = samdb_result_allow_password_change(sam_ctx, mem_ctx,
|
---|
411 | domain_dn, msg, "pwdLastSet");
|
---|
412 | info->force_password_change
|
---|
413 | = samdb_result_force_password_change(sam_ctx, mem_ctx,
|
---|
414 | domain_dn, msg);
|
---|
415 | info->logon_count = ldb_msg_find_attr_as_uint(msg, "logonCount", 0);
|
---|
416 | info->bad_password_count = ldb_msg_find_attr_as_uint(msg, "badPwdCount",
|
---|
417 | 0);
|
---|
418 |
|
---|
419 | info->acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx,
|
---|
420 | msg, domain_dn);
|
---|
421 |
|
---|
422 | user_info_dc->user_session_key = data_blob_talloc(user_info_dc,
|
---|
423 | user_sess_key.data,
|
---|
424 | user_sess_key.length);
|
---|
425 | if (user_sess_key.data) {
|
---|
426 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->user_session_key.data,
|
---|
427 | user_info_dc);
|
---|
428 | }
|
---|
429 | user_info_dc->lm_session_key = data_blob_talloc(user_info_dc,
|
---|
430 | lm_sess_key.data,
|
---|
431 | lm_sess_key.length);
|
---|
432 | if (lm_sess_key.data) {
|
---|
433 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->lm_session_key.data,
|
---|
434 | user_info_dc);
|
---|
435 | }
|
---|
436 |
|
---|
437 | if (info->acct_flags & ACB_SVRTRUST) {
|
---|
438 | /* the SID_NT_ENTERPRISE_DCS SID gets added into the
|
---|
439 | PAC */
|
---|
440 | user_info_dc->sids = talloc_realloc(user_info_dc,
|
---|
441 | user_info_dc->sids,
|
---|
442 | struct dom_sid,
|
---|
443 | user_info_dc->num_sids+1);
|
---|
444 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->sids, user_info_dc);
|
---|
445 | user_info_dc->sids[user_info_dc->num_sids] = global_sid_Enterprise_DCs;
|
---|
446 | user_info_dc->num_sids++;
|
---|
447 | }
|
---|
448 |
|
---|
449 | if ((info->acct_flags & (ACB_PARTIAL_SECRETS_ACCOUNT | ACB_WSTRUST)) ==
|
---|
450 | (ACB_PARTIAL_SECRETS_ACCOUNT | ACB_WSTRUST)) {
|
---|
451 | /* the DOMAIN_RID_ENTERPRISE_READONLY_DCS PAC */
|
---|
452 | user_info_dc->sids = talloc_realloc(user_info_dc,
|
---|
453 | user_info_dc->sids,
|
---|
454 | struct dom_sid,
|
---|
455 | user_info_dc->num_sids+1);
|
---|
456 | NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->sids, user_info_dc);
|
---|
457 | user_info_dc->sids[user_info_dc->num_sids] = *domain_sid;
|
---|
458 | sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids],
|
---|
459 | DOMAIN_RID_ENTERPRISE_READONLY_DCS);
|
---|
460 | user_info_dc->num_sids++;
|
---|
461 | }
|
---|
462 |
|
---|
463 | info->authenticated = true;
|
---|
464 |
|
---|
465 | talloc_free(tmp_ctx);
|
---|
466 | *_user_info_dc = user_info_dc;
|
---|
467 |
|
---|
468 | return NT_STATUS_OK;
|
---|
469 | }
|
---|
470 |
|
---|
471 | NTSTATUS sam_get_results_principal(struct ldb_context *sam_ctx,
|
---|
472 | TALLOC_CTX *mem_ctx, const char *principal,
|
---|
473 | const char **attrs,
|
---|
474 | struct ldb_dn **domain_dn,
|
---|
475 | struct ldb_message **msg)
|
---|
476 | {
|
---|
477 | struct ldb_dn *user_dn;
|
---|
478 | NTSTATUS nt_status;
|
---|
479 | TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
|
---|
480 | int ret;
|
---|
481 |
|
---|
482 | if (!tmp_ctx) {
|
---|
483 | return NT_STATUS_NO_MEMORY;
|
---|
484 | }
|
---|
485 |
|
---|
486 | nt_status = crack_user_principal_name(sam_ctx, tmp_ctx, principal,
|
---|
487 | &user_dn, domain_dn);
|
---|
488 | if (!NT_STATUS_IS_OK(nt_status)) {
|
---|
489 | talloc_free(tmp_ctx);
|
---|
490 | return nt_status;
|
---|
491 | }
|
---|
492 |
|
---|
493 | /* pull the user attributes */
|
---|
494 | ret = dsdb_search_one(sam_ctx, tmp_ctx, msg, user_dn,
|
---|
495 | LDB_SCOPE_BASE, attrs, DSDB_SEARCH_SHOW_EXTENDED_DN, "(objectClass=*)");
|
---|
496 | if (ret != LDB_SUCCESS) {
|
---|
497 | talloc_free(tmp_ctx);
|
---|
498 | return NT_STATUS_INTERNAL_DB_CORRUPTION;
|
---|
499 | }
|
---|
500 | talloc_steal(mem_ctx, *msg);
|
---|
501 | talloc_steal(mem_ctx, *domain_dn);
|
---|
502 | talloc_free(tmp_ctx);
|
---|
503 |
|
---|
504 | return NT_STATUS_OK;
|
---|
505 | }
|
---|
506 |
|
---|
507 | /* Used in the gensec_gssapi and gensec_krb5 server-side code, where the PAC isn't available, and for tokenGroups in the DSDB stack.
|
---|
508 |
|
---|
509 | Supply either a principal or a DN
|
---|
510 | */
|
---|
511 | NTSTATUS authsam_get_user_info_dc_principal(TALLOC_CTX *mem_ctx,
|
---|
512 | struct loadparm_context *lp_ctx,
|
---|
513 | struct ldb_context *sam_ctx,
|
---|
514 | const char *principal,
|
---|
515 | struct ldb_dn *user_dn,
|
---|
516 | struct auth_user_info_dc **user_info_dc)
|
---|
517 | {
|
---|
518 | NTSTATUS nt_status;
|
---|
519 | DATA_BLOB user_sess_key = data_blob(NULL, 0);
|
---|
520 | DATA_BLOB lm_sess_key = data_blob(NULL, 0);
|
---|
521 |
|
---|
522 | struct ldb_message *msg;
|
---|
523 | struct ldb_dn *domain_dn;
|
---|
524 |
|
---|
525 | TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
|
---|
526 | if (!tmp_ctx) {
|
---|
527 | return NT_STATUS_NO_MEMORY;
|
---|
528 | }
|
---|
529 |
|
---|
530 | if (principal) {
|
---|
531 | nt_status = sam_get_results_principal(sam_ctx, tmp_ctx, principal,
|
---|
532 | user_attrs, &domain_dn, &msg);
|
---|
533 | if (!NT_STATUS_IS_OK(nt_status)) {
|
---|
534 | talloc_free(tmp_ctx);
|
---|
535 | return nt_status;
|
---|
536 | }
|
---|
537 | } else if (user_dn) {
|
---|
538 | struct dom_sid *user_sid, *domain_sid;
|
---|
539 | int ret;
|
---|
540 | /* pull the user attributes */
|
---|
541 | ret = dsdb_search_one(sam_ctx, tmp_ctx, &msg, user_dn,
|
---|
542 | LDB_SCOPE_BASE, user_attrs, DSDB_SEARCH_SHOW_EXTENDED_DN, "(objectClass=*)");
|
---|
543 | if (ret == LDB_ERR_NO_SUCH_OBJECT) {
|
---|
544 | talloc_free(tmp_ctx);
|
---|
545 | return NT_STATUS_NO_SUCH_USER;
|
---|
546 | } else if (ret != LDB_SUCCESS) {
|
---|
547 | talloc_free(tmp_ctx);
|
---|
548 | return NT_STATUS_INTERNAL_DB_CORRUPTION;
|
---|
549 | }
|
---|
550 |
|
---|
551 | user_sid = samdb_result_dom_sid(msg, msg, "objectSid");
|
---|
552 |
|
---|
553 | nt_status = dom_sid_split_rid(tmp_ctx, user_sid, &domain_sid, NULL);
|
---|
554 | if (!NT_STATUS_IS_OK(nt_status)) {
|
---|
555 | return nt_status;
|
---|
556 | }
|
---|
557 |
|
---|
558 | domain_dn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
|
---|
559 | "(&(objectSid=%s)(objectClass=domain))",
|
---|
560 | ldap_encode_ndr_dom_sid(tmp_ctx, domain_sid));
|
---|
561 | if (!domain_dn) {
|
---|
562 | DEBUG(3, ("authsam_get_user_info_dc_principal: Failed to find domain with: SID %s\n",
|
---|
563 | dom_sid_string(tmp_ctx, domain_sid)));
|
---|
564 | return NT_STATUS_NO_SUCH_USER;
|
---|
565 | }
|
---|
566 |
|
---|
567 | } else {
|
---|
568 | return NT_STATUS_INVALID_PARAMETER;
|
---|
569 | }
|
---|
570 |
|
---|
571 | nt_status = authsam_make_user_info_dc(tmp_ctx, sam_ctx,
|
---|
572 | lpcfg_netbios_name(lp_ctx),
|
---|
573 | lpcfg_workgroup(lp_ctx),
|
---|
574 | domain_dn,
|
---|
575 | msg,
|
---|
576 | user_sess_key, lm_sess_key,
|
---|
577 | user_info_dc);
|
---|
578 | if (!NT_STATUS_IS_OK(nt_status)) {
|
---|
579 | talloc_free(tmp_ctx);
|
---|
580 | return nt_status;
|
---|
581 | }
|
---|
582 |
|
---|
583 | talloc_steal(mem_ctx, *user_info_dc);
|
---|
584 | talloc_free(tmp_ctx);
|
---|
585 |
|
---|
586 | return NT_STATUS_OK;
|
---|
587 | }
|
---|