2 Unix SMB/CIFS implementation.
3 Authentication utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Andrew Bartlett 2001
6 Copyright (C) Jeremy Allison 2000-2001
7 Copyright (C) Rafal Szczesniak 2002
8 Copyright (C) Volker Lendecke 2006
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define DBGC_CLASS DBGC_AUTH
30 static struct nt_user_token *create_local_nt_token(TALLOC_CTX *mem_ctx,
31 const DOM_SID *user_sid,
32 const DOM_SID *group_sid,
35 const DOM_SID *groupsids);
37 /****************************************************************************
38 Create a UNIX user on demand.
39 ****************************************************************************/
41 static int smb_create_user(const char *domain, const char *unix_username, const char *homedir)
46 pstrcpy(add_script, lp_adduser_script());
49 all_string_sub(add_script, "%u", unix_username, sizeof(pstring));
51 all_string_sub(add_script, "%D", domain, sizeof(pstring));
53 all_string_sub(add_script, "%H", homedir, sizeof(pstring));
54 ret = smbrun(add_script,NULL);
56 DEBUG(ret ? 0 : 3,("smb_create_user: Running the command `%s' gave %d\n",add_script,ret));
60 /****************************************************************************
61 Create an auth_usersupplied_data structure
62 ****************************************************************************/
64 static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
66 const char *internal_username,
67 const char *client_domain,
69 const char *wksta_name,
70 DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
71 DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
76 DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
78 *user_info = SMB_MALLOC_P(auth_usersupplied_info);
80 DEBUG(0,("malloc failed for user_info (size %lu)\n", (unsigned long)sizeof(*user_info)));
81 return NT_STATUS_NO_MEMORY;
84 ZERO_STRUCTP(*user_info);
86 DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
88 (*user_info)->smb_name = SMB_STRDUP(smb_name);
89 if ((*user_info)->smb_name == NULL) {
90 free_user_info(user_info);
91 return NT_STATUS_NO_MEMORY;
94 (*user_info)->internal_username = SMB_STRDUP(internal_username);
95 if ((*user_info)->internal_username == NULL) {
96 free_user_info(user_info);
97 return NT_STATUS_NO_MEMORY;
100 (*user_info)->domain = SMB_STRDUP(domain);
101 if ((*user_info)->domain == NULL) {
102 free_user_info(user_info);
103 return NT_STATUS_NO_MEMORY;
106 (*user_info)->client_domain = SMB_STRDUP(client_domain);
107 if ((*user_info)->client_domain == NULL) {
108 free_user_info(user_info);
109 return NT_STATUS_NO_MEMORY;
112 (*user_info)->wksta_name = SMB_STRDUP(wksta_name);
113 if ((*user_info)->wksta_name == NULL) {
114 free_user_info(user_info);
115 return NT_STATUS_NO_MEMORY;
118 DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
121 (*user_info)->lm_resp = data_blob(lm_pwd->data, lm_pwd->length);
123 (*user_info)->nt_resp = data_blob(nt_pwd->data, nt_pwd->length);
124 if (lm_interactive_pwd)
125 (*user_info)->lm_interactive_pwd = data_blob(lm_interactive_pwd->data, lm_interactive_pwd->length);
126 if (nt_interactive_pwd)
127 (*user_info)->nt_interactive_pwd = data_blob(nt_interactive_pwd->data, nt_interactive_pwd->length);
130 (*user_info)->plaintext_password = data_blob(plaintext->data, plaintext->length);
132 (*user_info)->encrypted = encrypted;
134 (*user_info)->logon_parameters = 0;
136 DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
141 /****************************************************************************
142 Create an auth_usersupplied_data structure after appropriate mapping.
143 ****************************************************************************/
145 NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
146 const char *smb_name,
147 const char *client_domain,
148 const char *wksta_name,
149 DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
150 DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
151 DATA_BLOB *plaintext,
155 fstring internal_username;
156 fstrcpy(internal_username, smb_name);
157 map_username(internal_username);
159 DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
160 client_domain, smb_name, wksta_name));
162 /* don't allow "" as a domain, fixes a Win9X bug
163 where it doens't supply a domain for logon script
164 'net use' commands. */
166 if ( *client_domain )
167 domain = client_domain;
169 domain = lp_workgroup();
171 /* do what win2k does. Always map unknown domains to our own
172 and let the "passdb backend" handle unknown users. */
174 if ( !is_trusted_domain(domain) && !strequal(domain, get_global_sam_name()) )
175 domain = get_default_sam_name();
177 /* we know that it is a trusted domain (and we are allowing them) or it is our domain */
179 return make_user_info(user_info, smb_name, internal_username,
180 client_domain, domain, wksta_name,
182 lm_interactive_pwd, nt_interactive_pwd,
183 plaintext, encrypted);
186 /****************************************************************************
187 Create an auth_usersupplied_data, making the DATA_BLOBs here.
188 Decrypt and encrypt the passwords.
189 ****************************************************************************/
191 BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
192 const char *smb_name,
193 const char *client_domain,
194 const char *wksta_name,
195 uint32 logon_parameters,
196 const uchar *lm_network_pwd,
198 const uchar *nt_network_pwd,
203 DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
204 DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
206 status = make_user_info_map(user_info,
207 smb_name, client_domain,
209 lm_pwd_len ? &lm_blob : NULL,
210 nt_pwd_len ? &nt_blob : NULL,
214 if (NT_STATUS_IS_OK(status)) {
215 (*user_info)->logon_parameters = logon_parameters;
217 ret = NT_STATUS_IS_OK(status) ? True : False;
219 data_blob_free(&lm_blob);
220 data_blob_free(&nt_blob);
224 /****************************************************************************
225 Create an auth_usersupplied_data, making the DATA_BLOBs here.
226 Decrypt and encrypt the passwords.
227 ****************************************************************************/
229 BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
230 const char *smb_name,
231 const char *client_domain,
232 const char *wksta_name,
233 uint32 logon_parameters,
235 const uchar lm_interactive_pwd[16],
236 const uchar nt_interactive_pwd[16],
237 const uchar *dc_sess_key)
241 unsigned char local_lm_response[24];
242 unsigned char local_nt_response[24];
243 unsigned char key[16];
246 memcpy(key, dc_sess_key, 8);
248 if (lm_interactive_pwd)
249 memcpy(lm_pwd, lm_interactive_pwd, sizeof(lm_pwd));
251 if (nt_interactive_pwd)
252 memcpy(nt_pwd, nt_interactive_pwd, sizeof(nt_pwd));
254 #ifdef DEBUG_PASSWORD
256 dump_data(100, (char *)key, sizeof(key));
258 DEBUG(100,("lm owf password:"));
259 dump_data(100, lm_pwd, sizeof(lm_pwd));
261 DEBUG(100,("nt owf password:"));
262 dump_data(100, nt_pwd, sizeof(nt_pwd));
265 if (lm_interactive_pwd)
266 SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
268 if (nt_interactive_pwd)
269 SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
271 #ifdef DEBUG_PASSWORD
272 DEBUG(100,("decrypt of lm owf password:"));
273 dump_data(100, lm_pwd, sizeof(lm_pwd));
275 DEBUG(100,("decrypt of nt owf password:"));
276 dump_data(100, nt_pwd, sizeof(nt_pwd));
279 if (lm_interactive_pwd)
280 SMBOWFencrypt((const unsigned char *)lm_pwd, chal,
283 if (nt_interactive_pwd)
284 SMBOWFencrypt((const unsigned char *)nt_pwd, chal,
287 /* Password info paranoia */
293 DATA_BLOB local_lm_blob;
294 DATA_BLOB local_nt_blob;
296 DATA_BLOB lm_interactive_blob;
297 DATA_BLOB nt_interactive_blob;
299 if (lm_interactive_pwd) {
300 local_lm_blob = data_blob(local_lm_response,
301 sizeof(local_lm_response));
302 lm_interactive_blob = data_blob(lm_pwd,
307 if (nt_interactive_pwd) {
308 local_nt_blob = data_blob(local_nt_response,
309 sizeof(local_nt_response));
310 nt_interactive_blob = data_blob(nt_pwd,
315 nt_status = make_user_info_map(
317 smb_name, client_domain, wksta_name,
318 lm_interactive_pwd ? &local_lm_blob : NULL,
319 nt_interactive_pwd ? &local_nt_blob : NULL,
320 lm_interactive_pwd ? &lm_interactive_blob : NULL,
321 nt_interactive_pwd ? &nt_interactive_blob : NULL,
324 if (NT_STATUS_IS_OK(nt_status)) {
325 (*user_info)->logon_parameters = logon_parameters;
328 ret = NT_STATUS_IS_OK(nt_status) ? True : False;
329 data_blob_free(&local_lm_blob);
330 data_blob_free(&local_nt_blob);
331 data_blob_free(&lm_interactive_blob);
332 data_blob_free(&nt_interactive_blob);
338 /****************************************************************************
339 Create an auth_usersupplied_data structure
340 ****************************************************************************/
342 BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
343 const char *smb_name,
344 const char *client_domain,
346 DATA_BLOB plaintext_password)
349 DATA_BLOB local_lm_blob;
350 DATA_BLOB local_nt_blob;
351 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
354 * Not encrypted - do so.
357 DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted "
360 if (plaintext_password.data) {
361 unsigned char local_lm_response[24];
363 #ifdef DEBUG_PASSWORD
364 DEBUG(10,("Unencrypted password (len %d):\n",
365 (int)plaintext_password.length));
366 dump_data(100, (const char *)plaintext_password.data,
367 plaintext_password.length);
370 SMBencrypt( (const char *)plaintext_password.data,
371 (const uchar*)chal, local_lm_response);
372 local_lm_blob = data_blob(local_lm_response, 24);
374 /* We can't do an NT hash here, as the password needs to be
376 local_nt_blob = data_blob(NULL, 0);
379 local_lm_blob = data_blob(NULL, 0);
380 local_nt_blob = data_blob(NULL, 0);
383 ret = make_user_info_map(
384 user_info, smb_name, client_domain,
385 get_remote_machine_name(),
386 local_lm_blob.data ? &local_lm_blob : NULL,
387 local_nt_blob.data ? &local_nt_blob : NULL,
389 plaintext_password.data ? &plaintext_password : NULL,
392 data_blob_free(&local_lm_blob);
393 return NT_STATUS_IS_OK(ret) ? True : False;
396 /****************************************************************************
397 Create an auth_usersupplied_data structure
398 ****************************************************************************/
400 NTSTATUS make_user_info_for_reply_enc(auth_usersupplied_info **user_info,
401 const char *smb_name,
402 const char *client_domain,
403 DATA_BLOB lm_resp, DATA_BLOB nt_resp)
405 return make_user_info_map(user_info, smb_name,
407 get_remote_machine_name(),
408 lm_resp.data ? &lm_resp : NULL,
409 nt_resp.data ? &nt_resp : NULL,
414 /****************************************************************************
415 Create a guest user_info blob, for anonymous authenticaion.
416 ****************************************************************************/
418 BOOL make_user_info_guest(auth_usersupplied_info **user_info)
422 nt_status = make_user_info(user_info,
431 return NT_STATUS_IS_OK(nt_status) ? True : False;
434 /****************************************************************************
435 prints a NT_USER_TOKEN to debug output.
436 ****************************************************************************/
438 void debug_nt_user_token(int dbg_class, int dbg_lev, NT_USER_TOKEN *token)
443 DEBUGC(dbg_class, dbg_lev, ("NT user token: (NULL)\n"));
447 DEBUGC(dbg_class, dbg_lev,
448 ("NT user token of user %s\n",
449 sid_string_static(&token->user_sids[0]) ));
450 DEBUGADDC(dbg_class, dbg_lev,
451 ("contains %lu SIDs\n", (unsigned long)token->num_sids));
452 for (i = 0; i < token->num_sids; i++)
453 DEBUGADDC(dbg_class, dbg_lev,
454 ("SID[%3lu]: %s\n", (unsigned long)i,
455 sid_string_static(&token->user_sids[i])));
457 dump_se_priv( dbg_class, dbg_lev, &token->privileges );
460 /****************************************************************************
461 prints a UNIX 'token' to debug output.
462 ****************************************************************************/
464 void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid,
465 int n_groups, gid_t *groups)
468 DEBUGC(dbg_class, dbg_lev,
469 ("UNIX token of user %ld\n", (long int)uid));
471 DEBUGADDC(dbg_class, dbg_lev,
472 ("Primary group is %ld and contains %i supplementary "
473 "groups\n", (long int)gid, n_groups));
474 for (i = 0; i < n_groups; i++)
475 DEBUGADDC(dbg_class, dbg_lev, ("Group[%3i]: %ld\n", i,
476 (long int)groups[i]));
479 /******************************************************************************
480 Create a token for the root user to be used internally by smbd.
481 This is similar to running under the context of the LOCAL_SYSTEM account
482 in Windows. This is a read-only token. Do not modify it or free() it.
483 Create a copy if your need to change it.
484 ******************************************************************************/
486 NT_USER_TOKEN *get_root_nt_token( void )
488 static NT_USER_TOKEN *token = NULL;
489 DOM_SID u_sid, g_sid;
495 if ( !(pw = getpwnam( "root" )) ) {
496 DEBUG(0,("get_root_nt_token: getpwnam\"root\") failed!\n"));
500 /* get the user and primary group SIDs; although the
501 BUILTIN\Administrators SId is really the one that matters here */
503 uid_to_sid(&u_sid, pw->pw_uid);
504 gid_to_sid(&g_sid, pw->pw_gid);
506 token = create_local_nt_token(NULL, &u_sid, &g_sid, False,
507 1, &global_sid_Builtin_Administrators);
511 static int server_info_dtor(void *p)
513 auth_serversupplied_info *server_info =
514 talloc_get_type_abort(p, auth_serversupplied_info);
516 if (server_info->sam_account != NULL) {
517 pdb_free_sam(&server_info->sam_account);
520 ZERO_STRUCTP(server_info);
524 /***************************************************************************
525 Make a server_info struct. Free with talloc_free().
526 ***************************************************************************/
528 static auth_serversupplied_info *make_server_info(TALLOC_CTX *mem_ctx)
530 struct auth_serversupplied_info *result;
532 result = TALLOC_ZERO_P(mem_ctx, auth_serversupplied_info);
533 if (result == NULL) {
534 DEBUG(0, ("talloc failed\n"));
538 talloc_set_destructor(result, server_info_dtor);
540 /* Initialise the uid and gid values to something non-zero
541 which may save us from giving away root access if there
542 is a bug in allocating these fields. */
549 /***************************************************************************
550 Make (and fill) a user_info struct from a SAM_ACCOUNT
551 ***************************************************************************/
553 NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
554 SAM_ACCOUNT *sampass)
559 auth_serversupplied_info *result;
561 if ( !(pwd = getpwnam_alloc(NULL, pdb_get_username(sampass))) ) {
562 DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n",
563 pdb_get_username(sampass)));
564 return NT_STATUS_NO_SUCH_USER;
567 if ( !(result = make_server_info(NULL)) ) {
569 return NT_STATUS_NO_MEMORY;
572 result->sam_account = sampass;
573 result->unix_name = talloc_strdup(result, pwd->pw_name);
574 result->gid = pwd->pw_gid;
575 result->uid = pwd->pw_uid;
579 status = pdb_enum_group_memberships(result, sampass,
580 &result->sids, &gids,
583 if (!NT_STATUS_IS_OK(status)) {
584 DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
586 result->sam_account = NULL; /* Don't free on error exit. */
591 /* For now we throw away the gids and convert via sid_to_gid
592 * later. This needs fixing, but I'd like to get the code straight and
596 DEBUG(5,("make_server_info_sam: made server info for user %s -> %s\n",
597 pdb_get_username(sampass), result->unix_name));
599 *server_info = result;
605 * Add alias SIDs from memberships within the partially created token SID list
608 static NTSTATUS add_aliases(TALLOC_CTX *tmp_ctx, const DOM_SID *domain_sid,
609 struct nt_user_token *token)
612 size_t i, num_aliases;
618 status = pdb_enum_alias_memberships(tmp_ctx, domain_sid,
621 &aliases, &num_aliases);
623 if (!NT_STATUS_IS_OK(status)) {
624 DEBUG(10, ("pdb_enum_alias_memberships failed: %s\n",
629 for (i=0; i<num_aliases; i++) {
631 sid_compose(&alias_sid, domain_sid, aliases[i]);
632 add_sid_to_array_unique(token, &alias_sid,
635 if (token->user_sids == NULL) {
636 DEBUG(0, ("add_sid_to_array failed\n"));
637 return NT_STATUS_NO_MEMORY;
644 static NTSTATUS log_nt_token(TALLOC_CTX *tmp_ctx, NT_USER_TOKEN *token)
650 if ((lp_log_nt_token_command() == NULL) ||
651 (strlen(lp_log_nt_token_command()) == 0)) {
655 group_sidstr = talloc_strdup(tmp_ctx, "");
656 for (i=1; i<token->num_sids; i++) {
657 group_sidstr = talloc_asprintf(
658 tmp_ctx, "%s %s", group_sidstr,
659 sid_string_static(&token->user_sids[i]));
662 command = talloc_string_sub(
663 tmp_ctx, lp_log_nt_token_command(),
664 "%s", sid_string_static(&token->user_sids[0]));
665 command = talloc_string_sub(tmp_ctx, command, "%t", group_sidstr);
667 if (command == NULL) {
668 return NT_STATUS_NO_MEMORY;
671 DEBUG(8, ("running command: [%s]\n", command));
672 if (smbrun(command, NULL) != 0) {
673 DEBUG(0, ("Could not log NT token\n"));
674 return NT_STATUS_ACCESS_DENIED;
681 * Create a NT token for the user, expanding local aliases
684 static struct nt_user_token *create_local_nt_token(TALLOC_CTX *mem_ctx,
685 const DOM_SID *user_sid,
686 const DOM_SID *group_sid,
689 const DOM_SID *groupsids)
692 struct nt_user_token *result = NULL;
696 tmp_ctx = talloc_new(mem_ctx);
697 if (tmp_ctx == NULL) {
698 DEBUG(0, ("talloc_new failed\n"));
702 result = TALLOC_ZERO_P(tmp_ctx, NT_USER_TOKEN);
703 if (result == NULL) {
704 DEBUG(0, ("talloc failed\n"));
708 /* First create the default SIDs */
710 add_sid_to_array(result, user_sid,
711 &result->user_sids, &result->num_sids);
712 add_sid_to_array(result, group_sid,
713 &result->user_sids, &result->num_sids);
714 add_sid_to_array(result, &global_sid_World,
715 &result->user_sids, &result->num_sids);
716 add_sid_to_array(result, &global_sid_Network,
717 &result->user_sids, &result->num_sids);
720 add_sid_to_array(result, &global_sid_Builtin_Guests,
721 &result->user_sids, &result->num_sids);
723 add_sid_to_array(result, &global_sid_Authenticated_Users,
724 &result->user_sids, &result->num_sids);
727 /* Now the SIDs we got from authentication. These are the ones from
728 * the info3 struct or from the pdb_enum_group_memberships, depending
729 * on who authenticated the user. */
731 for (i=0; i<num_groupsids; i++) {
732 add_sid_to_array_unique(result, &groupsids[i],
733 &result->user_sids, &result->num_sids);
736 if (lp_winbind_nested_groups()) {
738 /* Now add the aliases. First the one from our local SAM */
740 status = add_aliases(tmp_ctx, get_global_sam_sid(), result);
742 if (!NT_STATUS_IS_OK(status)) {
747 /* Finally the builtin ones */
749 status = add_aliases(tmp_ctx, &global_sid_Builtin, result);
751 if (!NT_STATUS_IS_OK(status)) {
757 /* Play jerry's trick to auto-add local admins if we're a
761 BOOL domain_mode = False;
764 sid_compose(&dom_admins, get_global_sam_sid(),
765 DOMAIN_GROUP_RID_ADMINS);
768 if ((lp_server_role() == ROLE_DOMAIN_MEMBER) &&
769 (secrets_fetch_domain_sid(lp_workgroup(), &dom_admins))) {
770 sid_append_rid(&dom_admins, DOMAIN_GROUP_RID_ADMINS);
775 for (i=0; i<result->num_sids; i++) {
776 if (sid_equal(&dom_admins,
777 &result->user_sids[i])) {
778 add_sid_to_array_unique(
780 &global_sid_Builtin_Administrators,
790 get_privileges_for_sids(&result->privileges, result->user_sids,
793 talloc_steal(mem_ctx, result);
796 talloc_free(tmp_ctx);
801 * Create the token to use from server_info->sam_account and
802 * server_info->sids (the info3/sam groups). Find the unix gids.
805 NTSTATUS create_local_token(auth_serversupplied_info *server_info)
812 mem_ctx = talloc_new(NULL);
813 if (mem_ctx == NULL) {
814 DEBUG(0, ("talloc_new failed\n"));
815 return NT_STATUS_NO_MEMORY;
818 server_info->ptok = create_local_nt_token(
820 pdb_get_user_sid(server_info->sam_account),
821 pdb_get_group_sid(server_info->sam_account),
823 server_info->num_sids, server_info->sids);
825 /* Convert the SIDs to gids. */
827 server_info->n_groups = 0;
828 server_info->groups = NULL;
830 /* Start at index 1, where the groups start. */
832 for (i=1; i<server_info->ptok->num_sids; i++) {
834 DOM_SID *sid = &server_info->ptok->user_sids[i];
836 if (!sid_to_gid(sid, &gid)) {
837 DEBUG(10, ("Could not convert SID %s to gid, "
838 "ignoring it\n", sid_string_static(sid)));
841 add_gid_to_array_unique(server_info, gid, &server_info->groups,
842 &server_info->n_groups);
845 debug_nt_user_token(DBGC_AUTH, 10, server_info->ptok);
847 status = log_nt_token(mem_ctx, server_info->ptok);
849 talloc_free(mem_ctx);
854 * Create an artificial NT token given just a username. (Initially indended
857 * We go through lookup_name() to avoid problems we had with 'winbind use
862 * unmapped unix users: Go directly to nss to find the user's group.
864 * A passdb user: The list of groups is provided by pdb_enum_group_memberships.
866 * If the user is provided by winbind, the primary gid is set to "domain
867 * users" of the user's domain. For an explanation why this is necessary, see
868 * the thread starting at
869 * http://lists.samba.org/archive/samba-technical/2006-January/044803.html.
872 NTSTATUS create_token_from_username(TALLOC_CTX *mem_ctx, const char *username,
874 uid_t *uid, gid_t *gid,
875 char **found_username,
876 struct nt_user_token **token)
878 NTSTATUS result = NT_STATUS_NO_SUCH_USER;
881 enum SID_NAME_USE type;
883 DOM_SID primary_group_sid;
885 size_t num_group_sids;
887 tmp_ctx = talloc_new(NULL);
888 if (tmp_ctx == NULL) {
889 DEBUG(0, ("talloc_new failed\n"));
890 return NT_STATUS_NO_MEMORY;
893 if (!lookup_name(tmp_ctx, username, LOOKUP_NAME_ALL,
894 NULL, NULL, &user_sid, &type)) {
895 DEBUG(1, ("lookup_name for %s failed\n", username));
899 if (type != SID_NAME_USER) {
900 DEBUG(1, ("%s is a %s, not a user\n", username,
901 sid_type_lookup(type)));
905 if (!sid_to_uid(&user_sid, uid)) {
906 DEBUG(1, ("sid_to_uid for %s (%s) failed\n",
907 username, sid_string_static(&user_sid)));
911 if (sid_check_is_in_unix_users(&user_sid)) {
913 /* This is a unix user not in passdb. We need to ask nss
914 * directly, without consulting passdb */
919 pass = getpwuid_alloc(tmp_ctx, *uid);
921 DEBUG(1, ("getpwuid(%d) for user %s failed\n",
927 gid_to_sid(&primary_group_sid, pass->pw_gid);
929 if (!getgroups_unix_user(tmp_ctx, username, pass->pw_gid,
930 &gids, &num_group_sids)) {
931 DEBUG(1, ("getgroups_unix_user for user %s failed\n",
936 group_sids = talloc_array(tmp_ctx, DOM_SID, num_group_sids);
937 if (group_sids == NULL) {
938 DEBUG(1, ("talloc_array failed\n"));
939 result = NT_STATUS_NO_MEMORY;
943 for (i=0; i<num_group_sids; i++) {
944 gid_to_sid(&group_sids[i], gids[i]);
946 *found_username = talloc_strdup(mem_ctx, pass->pw_name);
948 } else if (sid_check_is_in_our_domain(&user_sid)) {
950 /* This is a passdb user, so ask passdb */
952 SAM_ACCOUNT *sam_acct = NULL;
954 result = pdb_init_sam_talloc(tmp_ctx, &sam_acct);
955 if (!NT_STATUS_IS_OK(result)) {
959 if (!pdb_getsampwsid(sam_acct, &user_sid)) {
960 DEBUG(1, ("pdb_getsampwsid(%s) for user %s failed\n",
961 sid_string_static(&user_sid), username));
962 result = NT_STATUS_NO_SUCH_USER;
966 sid_copy(&primary_group_sid, pdb_get_group_sid(sam_acct));
968 result = pdb_enum_group_memberships(tmp_ctx, sam_acct,
971 if (!NT_STATUS_IS_OK(result)) {
972 DEBUG(10, ("enum_group_memberships failed for %s\n",
977 *found_username = talloc_strdup(mem_ctx,
978 pdb_get_username(sam_acct));
982 /* This user is from winbind, force the primary gid to the
983 * user's "domain users" group. Under certain circumstances
984 * (user comes from NT4), this might be a loss of
985 * information. But we can not rely on winbind getting the
986 * correct info. AD might prohibit winbind looking up that
991 sid_copy(&primary_group_sid, &user_sid);
992 sid_split_rid(&primary_group_sid, &dummy);
993 sid_append_rid(&primary_group_sid, DOMAIN_GROUP_RID_USERS);
995 if (!sid_to_gid(&primary_group_sid, gid)) {
996 DEBUG(1, ("sid_to_gid(%s) failed\n",
997 sid_string_static(&primary_group_sid)));
1004 *found_username = talloc_strdup(mem_ctx, username);
1007 *token = create_local_nt_token(mem_ctx, &user_sid, &primary_group_sid,
1008 is_guest, num_group_sids, group_sids);
1010 if ((*token == NULL) || (*found_username == NULL)) {
1011 result = NT_STATUS_NO_MEMORY;
1015 result = NT_STATUS_OK;
1017 talloc_free(tmp_ctx);
1021 /***************************************************************************
1022 Make (and fill) a user_info struct from a Kerberos PAC logon_info by
1023 conversion to a SAM_ACCOUNT
1024 ***************************************************************************/
1026 NTSTATUS make_server_info_pac(auth_serversupplied_info **server_info,
1027 char *unix_username,
1029 PAC_LOGON_INFO *logon_info)
1032 SAM_ACCOUNT *sampass = NULL;
1033 DOM_SID user_sid, group_sid;
1035 auth_serversupplied_info *result;
1037 status = pdb_init_sam_pw(&sampass, pwd);
1039 if (!NT_STATUS_IS_OK(status)) {
1043 result = make_server_info(NULL);
1044 if (result == NULL) {
1045 pdb_free_sam(&sampass);
1046 return NT_STATUS_NO_MEMORY;
1049 /* only copy user_sid, group_sid and domain name out of the PAC for
1050 * now, we will benefit from more later - Guenther */
1052 sid_copy(&user_sid, &logon_info->info3.dom_sid.sid);
1053 sid_append_rid(&user_sid, logon_info->info3.user_rid);
1054 pdb_set_user_sid(sampass, &user_sid, PDB_SET);
1056 sid_copy(&group_sid, &logon_info->info3.dom_sid.sid);
1057 sid_append_rid(&group_sid, logon_info->info3.group_rid);
1058 pdb_set_group_sid(sampass, &group_sid, PDB_SET);
1060 unistr2_to_ascii(dom_name, &logon_info->info3.uni_logon_dom, -1);
1061 pdb_set_domain(sampass, dom_name, PDB_SET);
1063 pdb_set_logon_count(sampass, logon_info->info3.logon_count, PDB_SET);
1065 result->sam_account = sampass;
1066 result->unix_name = talloc_strdup(result, unix_username);
1067 result->uid = pwd->pw_uid;
1068 result->gid = pwd->pw_gid;
1070 /* TODO: Add groups from pac */
1071 result->sids = NULL;
1072 result->num_sids = 0;
1074 *server_info = result;
1076 return NT_STATUS_OK;
1080 /***************************************************************************
1081 Make (and fill) a user_info struct from a 'struct passwd' by conversion
1083 ***************************************************************************/
1085 NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info,
1086 char *unix_username,
1090 SAM_ACCOUNT *sampass = NULL;
1092 auth_serversupplied_info *result;
1094 status = pdb_init_sam_pw(&sampass, pwd);
1096 if (!NT_STATUS_IS_OK(status)) {
1100 result = make_server_info(NULL);
1102 if (!NT_STATUS_IS_OK(status)) {
1103 pdb_free_sam(&sampass);
1107 result->sam_account = sampass;
1108 result->unix_name = talloc_strdup(result, unix_username);
1109 result->uid = pwd->pw_uid;
1110 result->gid = pwd->pw_gid;
1112 status = pdb_enum_group_memberships(result, sampass,
1113 &result->sids, &gids,
1116 if (!NT_STATUS_IS_OK(status)) {
1117 DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
1118 nt_errstr(status)));
1119 talloc_free(result);
1123 /* For now we throw away the gids and convert via sid_to_gid
1124 * later. This needs fixing, but I'd like to get the code straight and
1128 *server_info = result;
1130 return NT_STATUS_OK;
1133 /***************************************************************************
1134 Make (and fill) a user_info struct for a guest login.
1135 This *must* succeed for smbd to start. If there is no mapping entry for
1136 the guest gid, then create one.
1137 **********************
1138 *****************************************************/
1140 static NTSTATUS make_new_server_info_guest(auth_serversupplied_info **server_info)
1143 SAM_ACCOUNT *sampass = NULL;
1146 static const char zeros[16];
1148 status = pdb_init_sam(&sampass);
1150 if (!NT_STATUS_IS_OK(status)) {
1154 sid_copy(&guest_sid, get_global_sam_sid());
1155 sid_append_rid(&guest_sid, DOMAIN_USER_RID_GUEST);
1158 ret = pdb_getsampwsid(sampass, &guest_sid);
1162 pdb_free_sam(&sampass);
1163 return NT_STATUS_NO_SUCH_USER;
1166 status = make_server_info_sam(server_info, sampass);
1167 if (!NT_STATUS_IS_OK(status)) {
1168 pdb_free_sam(&sampass);
1172 (*server_info)->guest = True;
1174 status = create_local_token(*server_info);
1175 if (!NT_STATUS_IS_OK(status)) {
1176 DEBUG(10, ("create_local_token failed: %s\n",
1177 nt_errstr(status)));
1181 /* annoying, but the Guest really does have a session key, and it is
1183 (*server_info)->user_session_key = data_blob(zeros, sizeof(zeros));
1184 (*server_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
1186 return NT_STATUS_OK;
1189 static auth_serversupplied_info *copy_serverinfo(auth_serversupplied_info *src)
1191 auth_serversupplied_info *dst;
1193 dst = make_server_info(NULL);
1198 dst->guest = src->guest;
1199 dst->uid = src->uid;
1200 dst->gid = src->gid;
1201 dst->n_groups = src->n_groups;
1202 if (src->n_groups != 0)
1203 dst->groups = talloc_memdup(dst, src->groups,
1204 sizeof(gid_t)*dst->n_groups);
1207 dst->ptok = dup_nt_token(dst, src->ptok);
1208 dst->user_session_key = data_blob_talloc(
1209 dst, src->user_session_key.data,
1210 src->user_session_key.length);
1211 dst->lm_session_key = data_blob_talloc(
1212 dst, src->lm_session_key.data,
1213 src->lm_session_key.length);
1214 pdb_copy_sam_account(src->sam_account, &dst->sam_account);
1215 dst->pam_handle = NULL;
1216 dst->unix_name = talloc_strdup(dst, src->unix_name);
1221 static auth_serversupplied_info *guest_info = NULL;
1223 BOOL init_guest_info(void)
1225 if (guest_info != NULL)
1230 return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info));
1233 NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
1235 *server_info = copy_serverinfo(guest_info);
1236 return (*server_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
1239 /***************************************************************************
1240 Purely internal function for make_server_info_info3
1241 Fill the sam account from getpwnam
1242 ***************************************************************************/
1243 static NTSTATUS fill_sam_account(TALLOC_CTX *mem_ctx,
1245 const char *username,
1246 char **found_username,
1247 uid_t *uid, gid_t *gid,
1248 SAM_ACCOUNT **sam_account)
1251 fstring dom_user, lower_username;
1252 fstring real_username;
1253 struct passwd *passwd;
1255 fstrcpy( lower_username, username );
1256 strlower_m( lower_username );
1258 fstr_sprintf(dom_user, "%s%c%s", domain, *lp_winbind_separator(),
1261 /* get the passwd struct but don't create the user if he/she
1262 does not exist. We were explicitly called from a following
1263 a winbindd authentication request so we should assume that
1264 nss_winbindd is working */
1266 map_username( dom_user );
1268 if ( !(passwd = smb_getpwnam( NULL, dom_user, real_username, True )) )
1269 return NT_STATUS_NO_SUCH_USER;
1271 *uid = passwd->pw_uid;
1272 *gid = passwd->pw_gid;
1274 /* This is pointless -- there is no suport for differing
1275 unix and windows names. Make sure to always store the
1276 one we actually looked up and succeeded. Have I mentioned
1277 why I hate the 'winbind use default domain' parameter?
1280 *found_username = talloc_strdup( mem_ctx, real_username );
1282 DEBUG(5,("fill_sam_account: located username was [%s]\n",
1285 nt_status = pdb_init_sam_pw(sam_account, passwd);
1286 talloc_free(passwd);
1290 /****************************************************************************
1291 Wrapper to allow the getpwnam() call to strip the domain name and
1292 try again in case a local UNIX user is already there. Also run through
1293 the username if we fallback to the username only.
1294 ****************************************************************************/
1296 struct passwd *smb_getpwnam( TALLOC_CTX *mem_ctx, char *domuser,
1297 fstring save_username, BOOL create )
1299 struct passwd *pw = NULL;
1303 /* we only save a copy of the username it has been mangled
1304 by winbindd use default domain */
1306 save_username[0] = '\0';
1308 /* don't call map_username() here since it has to be done higher
1309 up the stack so we don't call it mutliple times */
1311 fstrcpy( username, domuser );
1313 p = strchr_m( username, *lp_winbind_separator() );
1315 /* code for a DOMAIN\user string */
1318 fstring strip_username;
1320 pw = Get_Pwnam_alloc( mem_ctx, domuser );
1322 /* make sure we get the case of the username correct */
1323 /* work around 'winbind use default domain = yes' */
1325 if ( !strchr_m( pw->pw_name, *lp_winbind_separator() ) ) {
1328 /* split the domain and username into 2 strings */
1332 fstr_sprintf(save_username, "%s%c%s", domain, *lp_winbind_separator(), pw->pw_name);
1335 fstrcpy( save_username, pw->pw_name );
1341 /* setup for lookup of just the username */
1342 /* remember that p and username are overlapping memory */
1345 fstrcpy( strip_username, p );
1346 fstrcpy( username, strip_username );
1349 /* just lookup a plain username */
1351 pw = Get_Pwnam_alloc(mem_ctx, username);
1353 /* Create local user if requested. */
1355 if ( !pw && create ) {
1356 /* Don't add a machine account. */
1357 if (username[strlen(username)-1] == '$')
1360 smb_create_user(NULL, username, NULL);
1361 pw = Get_Pwnam_alloc(mem_ctx, username);
1364 /* one last check for a valid passwd struct */
1367 fstrcpy( save_username, pw->pw_name );
1372 /***************************************************************************
1373 Make a server_info struct from the info3 returned by a domain logon
1374 ***************************************************************************/
1376 NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
1377 const char *internal_username,
1378 const char *sent_nt_username,
1380 auth_serversupplied_info **server_info,
1381 NET_USER_INFO_3 *info3)
1383 static const char zeros[16];
1385 NTSTATUS nt_status = NT_STATUS_OK;
1386 char *found_username;
1387 const char *nt_domain;
1388 const char *nt_username;
1390 SAM_ACCOUNT *sam_account = NULL;
1399 auth_serversupplied_info *result;
1402 Here is where we should check the list of
1403 trusted domains, and verify that the SID
1407 sid_copy(&user_sid, &info3->dom_sid.sid);
1408 if (!sid_append_rid(&user_sid, info3->user_rid)) {
1409 return NT_STATUS_INVALID_PARAMETER;
1412 sid_copy(&group_sid, &info3->dom_sid.sid);
1413 if (!sid_append_rid(&group_sid, info3->group_rid)) {
1414 return NT_STATUS_INVALID_PARAMETER;
1417 if (!(nt_username = unistr2_tdup(mem_ctx, &(info3->uni_user_name)))) {
1418 /* If the server didn't give us one, just use the one we sent
1420 nt_username = sent_nt_username;
1423 if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3->uni_logon_dom)))) {
1424 /* If the server didn't give us one, just use the one we sent
1429 /* try to fill the SAM account.. If getpwnam() fails, then try the
1430 add user script (2.2.x behavior).
1432 We use the _unmapped_ username here in an attempt to provide
1433 consistent username mapping behavior between kerberos and NTLM[SSP]
1434 authentication in domain mode security. I.E. Username mapping
1435 should be applied to the fully qualified username
1436 (e.g. DOMAIN\user) and not just the login name. Yes this means we
1437 called map_username() unnecessarily in make_user_info_map() but
1438 that is how the current code is designed. Making the change here
1439 is the least disruptive place. -- jerry */
1441 nt_status = fill_sam_account(mem_ctx, nt_domain, sent_nt_username,
1442 &found_username, &uid, &gid,
1445 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
1446 DEBUG(3,("User %s does not exist, trying to add it\n",
1447 internal_username));
1448 smb_create_user( nt_domain, sent_nt_username, NULL);
1449 nt_status = fill_sam_account( mem_ctx, nt_domain,
1451 &found_username, &uid, &gid,
1455 /* if we still don't have a valid unix account check for
1456 'map to gues = bad uid' */
1458 if (!NT_STATUS_IS_OK(nt_status)) {
1459 if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID ) {
1460 make_server_info_guest(server_info);
1461 return NT_STATUS_OK;
1464 DEBUG(0, ("make_server_info_info3: pdb_init_sam failed!\n"));
1468 if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
1469 pdb_free_sam(&sam_account);
1470 return NT_STATUS_NO_MEMORY;
1473 if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) {
1474 pdb_free_sam(&sam_account);
1475 return NT_STATUS_NO_MEMORY;
1478 if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) {
1479 pdb_free_sam(&sam_account);
1480 return NT_STATUS_NO_MEMORY;
1483 if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
1484 pdb_free_sam(&sam_account);
1485 return NT_STATUS_UNSUCCESSFUL;
1488 if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) {
1489 pdb_free_sam(&sam_account);
1490 return NT_STATUS_UNSUCCESSFUL;
1493 if (!pdb_set_fullname(sam_account,
1494 unistr2_static(&(info3->uni_full_name)),
1496 pdb_free_sam(&sam_account);
1497 return NT_STATUS_NO_MEMORY;
1500 if (!pdb_set_logon_script(sam_account,
1501 unistr2_static(&(info3->uni_logon_script)),
1503 pdb_free_sam(&sam_account);
1504 return NT_STATUS_NO_MEMORY;
1507 if (!pdb_set_profile_path(sam_account,
1508 unistr2_static(&(info3->uni_profile_path)),
1510 pdb_free_sam(&sam_account);
1511 return NT_STATUS_NO_MEMORY;
1514 if (!pdb_set_homedir(sam_account,
1515 unistr2_static(&(info3->uni_home_dir)),
1517 pdb_free_sam(&sam_account);
1518 return NT_STATUS_NO_MEMORY;
1521 if (!pdb_set_dir_drive(sam_account,
1522 unistr2_static(&(info3->uni_dir_drive)),
1524 pdb_free_sam(&sam_account);
1525 return NT_STATUS_NO_MEMORY;
1528 result = make_server_info(NULL);
1529 if (result == NULL) {
1530 DEBUG(4, ("make_server_info failed!\n"));
1531 pdb_free_sam(&sam_account);
1532 return NT_STATUS_NO_MEMORY;
1535 /* save this here to _net_sam_logon() doesn't fail (it assumes a
1536 valid SAM_ACCOUNT) */
1538 result->sam_account = sam_account;
1539 result->unix_name = talloc_strdup(result, found_username);
1541 /* Fill in the unix info we found on the way */
1546 /* Create a 'combined' list of all SIDs we might want in the SD */
1548 result->num_sids = 0;
1549 result->sids = NULL;
1551 /* and create (by appending rids) the 'domain' sids */
1553 for (i = 0; i < info3->num_groups2; i++) {
1555 if (!sid_compose(&sid, &info3->dom_sid.sid,
1556 info3->gids[i].g_rid)) {
1557 DEBUG(3,("could not append additional group rid "
1558 "0x%x\n", info3->gids[i].g_rid));
1559 talloc_free(result);
1560 return NT_STATUS_INVALID_PARAMETER;
1562 add_sid_to_array(result, &sid, &result->sids,
1566 /* Copy 'other' sids. We need to do sid filtering here to
1567 prevent possible elevation of privileges. See:
1569 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
1572 for (i = 0; i < info3->num_other_sids; i++) {
1573 add_sid_to_array(result, &info3->other_sids[i].sid,
1578 result->login_server = unistr2_tdup(result,
1579 &(info3->uni_logon_srv));
1581 /* ensure we are never given NULL session keys */
1583 if (memcmp(info3->user_sess_key, zeros, sizeof(zeros)) == 0) {
1584 result->user_session_key = data_blob(NULL, 0);
1586 result->user_session_key = data_blob_talloc(
1587 result, info3->user_sess_key,
1588 sizeof(info3->user_sess_key));
1591 if (memcmp(info3->lm_sess_key, zeros, 8) == 0) {
1592 result->lm_session_key = data_blob(NULL, 0);
1594 result->lm_session_key = data_blob_talloc(
1595 result, info3->lm_sess_key,
1596 sizeof(info3->lm_sess_key));
1599 *server_info = result;
1601 return NT_STATUS_OK;
1604 /***************************************************************************
1605 Free a user_info struct
1606 ***************************************************************************/
1608 void free_user_info(auth_usersupplied_info **user_info)
1610 DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
1611 if (*user_info != NULL) {
1612 if ((*user_info)->smb_name) {
1613 DEBUG(10,("structure was created for %s\n",
1614 (*user_info)->smb_name));
1616 SAFE_FREE((*user_info)->smb_name);
1617 SAFE_FREE((*user_info)->internal_username);
1618 SAFE_FREE((*user_info)->client_domain);
1619 SAFE_FREE((*user_info)->domain);
1620 SAFE_FREE((*user_info)->wksta_name);
1621 data_blob_free(&(*user_info)->lm_resp);
1622 data_blob_free(&(*user_info)->nt_resp);
1623 data_blob_clear_free(&(*user_info)->lm_interactive_pwd);
1624 data_blob_clear_free(&(*user_info)->nt_interactive_pwd);
1625 data_blob_clear_free(&(*user_info)->plaintext_password);
1626 ZERO_STRUCT(**user_info);
1628 SAFE_FREE(*user_info);
1631 /***************************************************************************
1632 Make an auth_methods struct
1633 ***************************************************************************/
1635 BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
1637 if (!auth_context) {
1638 smb_panic("no auth_context supplied to "
1639 "make_auth_methods()!\n");
1643 smb_panic("make_auth_methods: pointer to auth_method pointer "
1647 *auth_method = TALLOC_P(auth_context->mem_ctx, auth_methods);
1648 if (!*auth_method) {
1649 DEBUG(0,("make_auth_method: malloc failed!\n"));
1652 ZERO_STRUCTP(*auth_method);
1657 /****************************************************************************
1658 Duplicate a SID token.
1659 ****************************************************************************/
1661 NT_USER_TOKEN *dup_nt_token(TALLOC_CTX *mem_ctx, NT_USER_TOKEN *ptoken)
1663 NT_USER_TOKEN *token;
1668 token = TALLOC_P(mem_ctx, NT_USER_TOKEN);
1669 if (token == NULL) {
1670 DEBUG(0, ("talloc failed\n"));
1674 token->user_sids = talloc_memdup(token, ptoken->user_sids,
1675 sizeof(DOM_SID) * ptoken->num_sids );
1677 if ((ptoken->user_sids != NULL) && (token->user_sids == NULL)) {
1678 DEBUG(0, ("talloc_memdup failed\n"));
1683 token->num_sids = ptoken->num_sids;
1685 /* copy the privileges; don't consider failure to be critical here */
1687 if ( !se_priv_copy( &token->privileges, &ptoken->privileges ) ) {
1688 DEBUG(0,("dup_nt_token: Failure to copy SE_PRIV!. "
1689 "Continuing with 0 privileges assigned.\n"));
1695 /****************************************************************************
1696 Check for a SID in an NT_USER_TOKEN
1697 ****************************************************************************/
1699 BOOL nt_token_check_sid ( const DOM_SID *sid, const NT_USER_TOKEN *token )
1703 if ( !sid || !token )
1706 for ( i=0; i<token->num_sids; i++ ) {
1707 if ( sid_equal( sid, &token->user_sids[i] ) )
1714 BOOL nt_token_check_domain_rid( NT_USER_TOKEN *token, uint32 rid )
1718 /* if we are a domain member, the get the domain SID, else for
1719 a DC or standalone server, use our own SID */
1721 if ( lp_server_role() == ROLE_DOMAIN_MEMBER ) {
1722 if ( !secrets_fetch_domain_sid( lp_workgroup(),
1724 DEBUG(1,("nt_token_check_domain_rid: Cannot lookup "
1725 "SID for domain [%s]\n", lp_workgroup()));
1730 sid_copy( &domain_sid, get_global_sam_sid() );
1732 sid_append_rid( &domain_sid, rid );
1734 return nt_token_check_sid( &domain_sid, token );\
1738 * Verify whether or not given domain is trusted.
1740 * @param domain_name name of the domain to be verified
1741 * @return true if domain is one of the trusted once or
1742 * false if otherwise
1745 BOOL is_trusted_domain(const char* dom_name)
1747 DOM_SID trustdom_sid;
1750 /* no trusted domains for a standalone server */
1752 if ( lp_server_role() == ROLE_STANDALONE )
1755 /* if we are a DC, then check for a direct trust relationships */
1759 DEBUG (5,("is_trusted_domain: Checking for domain trust with "
1760 "[%s]\n", dom_name ));
1761 ret = secrets_fetch_trusted_domain_password(dom_name, NULL,
1770 /* If winbind is around, ask it */
1772 result = wb_is_trusted_domain(dom_name);
1774 if (result == NSS_STATUS_SUCCESS) {
1778 if (result == NSS_STATUS_NOTFOUND) {
1779 /* winbind could not find the domain */
1783 /* The only other possible result is that winbind is not up
1784 and running. We need to update the trustdom_cache
1787 update_trustdom_cache();
1790 /* now the trustdom cache should be available a DC could still
1791 * have a transitive trust so fall back to the cache of trusted
1792 * domains (like a domain member would use */
1794 if ( trustdom_cache_fetch(dom_name, &trustdom_sid) ) {