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
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 2 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #define DBGC_CLASS DBGC_AUTH
30 /****************************************************************************
31 Create a UNIX user on demand.
32 ****************************************************************************/
34 static int smb_create_user(const char *domain, const char *unix_username, const char *homedir)
39 pstrcpy(add_script, lp_adduser_script());
42 all_string_sub(add_script, "%u", unix_username, sizeof(pstring));
44 all_string_sub(add_script, "%D", domain, sizeof(pstring));
46 all_string_sub(add_script, "%H", homedir, sizeof(pstring));
47 ret = smbrun(add_script,NULL);
49 DEBUG(ret ? 0 : 3,("smb_create_user: Running the command `%s' gave %d\n",add_script,ret));
53 /****************************************************************************
54 Create an auth_usersupplied_data structure
55 ****************************************************************************/
57 static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
59 const char *internal_username,
60 const char *client_domain,
62 const char *wksta_name,
63 DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
64 DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
69 DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
71 *user_info = SMB_MALLOC_P(auth_usersupplied_info);
73 DEBUG(0,("malloc failed for user_info (size %lu)\n", (unsigned long)sizeof(*user_info)));
74 return NT_STATUS_NO_MEMORY;
77 ZERO_STRUCTP(*user_info);
79 DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
81 (*user_info)->smb_name.str = SMB_STRDUP(smb_name);
82 if ((*user_info)->smb_name.str) {
83 (*user_info)->smb_name.len = strlen(smb_name);
85 free_user_info(user_info);
86 return NT_STATUS_NO_MEMORY;
89 (*user_info)->internal_username.str = SMB_STRDUP(internal_username);
90 if ((*user_info)->internal_username.str) {
91 (*user_info)->internal_username.len = strlen(internal_username);
93 free_user_info(user_info);
94 return NT_STATUS_NO_MEMORY;
97 (*user_info)->domain.str = SMB_STRDUP(domain);
98 if ((*user_info)->domain.str) {
99 (*user_info)->domain.len = strlen(domain);
101 free_user_info(user_info);
102 return NT_STATUS_NO_MEMORY;
105 (*user_info)->client_domain.str = SMB_STRDUP(client_domain);
106 if ((*user_info)->client_domain.str) {
107 (*user_info)->client_domain.len = strlen(client_domain);
109 free_user_info(user_info);
110 return NT_STATUS_NO_MEMORY;
113 (*user_info)->wksta_name.str = SMB_STRDUP(wksta_name);
114 if ((*user_info)->wksta_name.str) {
115 (*user_info)->wksta_name.len = strlen(wksta_name);
117 free_user_info(user_info);
118 return NT_STATUS_NO_MEMORY;
121 DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
124 (*user_info)->lm_resp = data_blob(lm_pwd->data, lm_pwd->length);
126 (*user_info)->nt_resp = data_blob(nt_pwd->data, nt_pwd->length);
127 if (lm_interactive_pwd)
128 (*user_info)->lm_interactive_pwd = data_blob(lm_interactive_pwd->data, lm_interactive_pwd->length);
129 if (nt_interactive_pwd)
130 (*user_info)->nt_interactive_pwd = data_blob(nt_interactive_pwd->data, nt_interactive_pwd->length);
133 (*user_info)->plaintext_password = data_blob(plaintext->data, plaintext->length);
135 (*user_info)->encrypted = encrypted;
137 (*user_info)->logon_parameters = 0;
139 DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
144 /****************************************************************************
145 Create an auth_usersupplied_data structure after appropriate mapping.
146 ****************************************************************************/
148 NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
149 const char *smb_name,
150 const char *client_domain,
151 const char *wksta_name,
152 DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
153 DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
154 DATA_BLOB *plaintext,
158 fstring internal_username;
159 fstrcpy(internal_username, smb_name);
160 map_username(internal_username);
162 DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
163 client_domain, smb_name, wksta_name));
165 /* don't allow "" as a domain, fixes a Win9X bug
166 where it doens't supply a domain for logon script
167 'net use' commands. */
169 if ( *client_domain )
170 domain = client_domain;
172 domain = lp_workgroup();
174 /* do what win2k does. Always map unknown domains to our own
175 and let the "passdb backend" handle unknown users. */
177 if ( !is_trusted_domain(domain) && !strequal(domain, get_global_sam_name()) )
178 domain = get_default_sam_name();
180 /* we know that it is a trusted domain (and we are allowing them) or it is our domain */
182 return make_user_info(user_info, smb_name, internal_username,
183 client_domain, domain, wksta_name,
185 lm_interactive_pwd, nt_interactive_pwd,
186 plaintext, encrypted);
189 /****************************************************************************
190 Create an auth_usersupplied_data, making the DATA_BLOBs here.
191 Decrypt and encrypt the passwords.
192 ****************************************************************************/
194 BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
195 const char *smb_name,
196 const char *client_domain,
197 const char *wksta_name,
198 uint32 logon_parameters,
199 const uchar *lm_network_pwd, int lm_pwd_len,
200 const uchar *nt_network_pwd, int nt_pwd_len)
204 DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
205 DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
207 nt_status = make_user_info_map(user_info,
208 smb_name, client_domain,
210 lm_pwd_len ? &lm_blob : NULL,
211 nt_pwd_len ? &nt_blob : NULL,
215 if (NT_STATUS_IS_OK(nt_status)) {
216 (*user_info)->logon_parameters = logon_parameters;
218 ret = NT_STATUS_IS_OK(nt_status) ? True : False;
220 data_blob_free(&lm_blob);
221 data_blob_free(&nt_blob);
225 /****************************************************************************
226 Create an auth_usersupplied_data, making the DATA_BLOBs here.
227 Decrypt and encrypt the passwords.
228 ****************************************************************************/
230 BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
231 const char *smb_name,
232 const char *client_domain,
233 const char *wksta_name,
234 uint32 logon_parameters,
236 const uchar lm_interactive_pwd[16],
237 const uchar nt_interactive_pwd[16],
238 const uchar *dc_sess_key)
242 unsigned char local_lm_response[24];
243 unsigned char local_nt_response[24];
244 unsigned char key[16];
247 memcpy(key, dc_sess_key, 8);
249 if (lm_interactive_pwd) memcpy(lm_pwd, lm_interactive_pwd, sizeof(lm_pwd));
250 if (nt_interactive_pwd) memcpy(nt_pwd, nt_interactive_pwd, sizeof(nt_pwd));
252 #ifdef DEBUG_PASSWORD
254 dump_data(100, (char *)key, sizeof(key));
256 DEBUG(100,("lm owf password:"));
257 dump_data(100, lm_pwd, sizeof(lm_pwd));
259 DEBUG(100,("nt owf password:"));
260 dump_data(100, nt_pwd, sizeof(nt_pwd));
263 if (lm_interactive_pwd)
264 SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
266 if (nt_interactive_pwd)
267 SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
269 #ifdef DEBUG_PASSWORD
270 DEBUG(100,("decrypt of lm owf password:"));
271 dump_data(100, lm_pwd, sizeof(lm_pwd));
273 DEBUG(100,("decrypt of nt owf password:"));
274 dump_data(100, nt_pwd, sizeof(nt_pwd));
277 if (lm_interactive_pwd)
278 SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
280 if (nt_interactive_pwd)
281 SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
283 /* Password info paranoia */
289 DATA_BLOB local_lm_blob;
290 DATA_BLOB local_nt_blob;
292 DATA_BLOB lm_interactive_blob;
293 DATA_BLOB nt_interactive_blob;
295 if (lm_interactive_pwd) {
296 local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
297 lm_interactive_blob = data_blob(lm_pwd, sizeof(lm_pwd));
301 if (nt_interactive_pwd) {
302 local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
303 nt_interactive_blob = data_blob(nt_pwd, sizeof(nt_pwd));
307 nt_status = make_user_info_map(user_info,
308 smb_name, client_domain,
310 lm_interactive_pwd ? &local_lm_blob : NULL,
311 nt_interactive_pwd ? &local_nt_blob : NULL,
312 lm_interactive_pwd ? &lm_interactive_blob : NULL,
313 nt_interactive_pwd ? &nt_interactive_blob : NULL,
317 if (NT_STATUS_IS_OK(nt_status)) {
318 (*user_info)->logon_parameters = logon_parameters;
321 ret = NT_STATUS_IS_OK(nt_status) ? True : False;
322 data_blob_free(&local_lm_blob);
323 data_blob_free(&local_nt_blob);
324 data_blob_free(&lm_interactive_blob);
325 data_blob_free(&nt_interactive_blob);
331 /****************************************************************************
332 Create an auth_usersupplied_data structure
333 ****************************************************************************/
335 BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
336 const char *smb_name,
337 const char *client_domain,
339 DATA_BLOB plaintext_password)
342 DATA_BLOB local_lm_blob;
343 DATA_BLOB local_nt_blob;
344 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
347 * Not encrypted - do so.
350 DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted format.\n"));
352 if (plaintext_password.data) {
353 unsigned char local_lm_response[24];
355 #ifdef DEBUG_PASSWORD
356 DEBUG(10,("Unencrypted password (len %d):\n",(int)plaintext_password.length));
357 dump_data(100, (const char *)plaintext_password.data, plaintext_password.length);
360 SMBencrypt( (const char *)plaintext_password.data, (const uchar*)chal, local_lm_response);
361 local_lm_blob = data_blob(local_lm_response, 24);
363 /* We can't do an NT hash here, as the password needs to be
365 local_nt_blob = data_blob(NULL, 0);
368 local_lm_blob = data_blob(NULL, 0);
369 local_nt_blob = data_blob(NULL, 0);
372 ret = make_user_info_map(user_info, smb_name,
374 get_remote_machine_name(),
375 local_lm_blob.data ? &local_lm_blob : NULL,
376 local_nt_blob.data ? &local_nt_blob : NULL,
378 plaintext_password.data ? &plaintext_password : NULL,
381 data_blob_free(&local_lm_blob);
382 return NT_STATUS_IS_OK(ret) ? True : False;
385 /****************************************************************************
386 Create an auth_usersupplied_data structure
387 ****************************************************************************/
389 NTSTATUS make_user_info_for_reply_enc(auth_usersupplied_info **user_info,
390 const char *smb_name,
391 const char *client_domain,
392 DATA_BLOB lm_resp, DATA_BLOB nt_resp)
394 return make_user_info_map(user_info, smb_name,
396 get_remote_machine_name(),
397 lm_resp.data ? &lm_resp : NULL,
398 nt_resp.data ? &nt_resp : NULL,
403 /****************************************************************************
404 Create a guest user_info blob, for anonymous authenticaion.
405 ****************************************************************************/
407 BOOL make_user_info_guest(auth_usersupplied_info **user_info)
411 nt_status = make_user_info(user_info,
420 return NT_STATUS_IS_OK(nt_status) ? True : False;
423 /****************************************************************************
424 prints a NT_USER_TOKEN to debug output.
425 ****************************************************************************/
427 void debug_nt_user_token(int dbg_class, int dbg_lev, NT_USER_TOKEN *token)
433 DEBUGC(dbg_class, dbg_lev, ("NT user token: (NULL)\n"));
437 DEBUGC(dbg_class, dbg_lev, ("NT user token of user %s\n",
438 sid_to_string(sid_str, &token->user_sids[0]) ));
439 DEBUGADDC(dbg_class, dbg_lev, ("contains %lu SIDs\n", (unsigned long)token->num_sids));
440 for (i = 0; i < token->num_sids; i++)
441 DEBUGADDC(dbg_class, dbg_lev, ("SID[%3lu]: %s\n", (unsigned long)i,
442 sid_to_string(sid_str, &token->user_sids[i])));
444 dump_se_priv( dbg_class, dbg_lev, &token->privileges );
447 /****************************************************************************
448 prints a UNIX 'token' to debug output.
449 ****************************************************************************/
451 void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid, int n_groups, gid_t *groups)
454 DEBUGC(dbg_class, dbg_lev, ("UNIX token of user %ld\n", (long int)uid));
456 DEBUGADDC(dbg_class, dbg_lev, ("Primary group is %ld and contains %i supplementary groups\n", (long int)gid, n_groups));
457 for (i = 0; i < n_groups; i++)
458 DEBUGADDC(dbg_class, dbg_lev, ("Group[%3i]: %ld\n", i,
459 (long int)groups[i]));
462 /****************************************************************************
463 Create the SID list for this user.
464 ****************************************************************************/
466 static NTSTATUS create_nt_user_token(const DOM_SID *user_sid, const DOM_SID *group_sid,
467 int n_groupSIDs, DOM_SID *groupSIDs,
468 BOOL is_guest, NT_USER_TOKEN **token)
470 NTSTATUS nt_status = NT_STATUS_OK;
471 NT_USER_TOKEN *ptoken;
475 BOOL is_domain_admin = False;
476 BOOL domain_mode = False;
478 if ((ptoken = SMB_MALLOC_P(NT_USER_TOKEN)) == NULL) {
479 DEBUG(0, ("create_nt_user_token: Out of memory allocating token\n"));
480 nt_status = NT_STATUS_NO_MEMORY;
484 ZERO_STRUCTP(ptoken);
486 ptoken->num_sids = n_groupSIDs + 5;
488 if ((ptoken->user_sids = SMB_MALLOC_ARRAY( DOM_SID, ptoken->num_sids )) == NULL) {
489 DEBUG(0, ("create_nt_user_token: Out of memory allocating SIDs\n"));
490 nt_status = NT_STATUS_NO_MEMORY;
494 memset((char*)ptoken->user_sids,0,sizeof(DOM_SID) * ptoken->num_sids);
497 * Note - user SID *MUST* be first in token !
498 * se_access_check depends on this.
500 * Primary group SID is second in token. Convention.
503 sid_copy(&ptoken->user_sids[PRIMARY_USER_SID_INDEX], user_sid);
505 sid_copy(&ptoken->user_sids[PRIMARY_GROUP_SID_INDEX], group_sid);
508 * Finally add the "standard" SIDs.
509 * The only difference between guest and "anonymous" (which we
510 * don't really support) is the addition of Authenticated_Users.
513 sid_copy(&ptoken->user_sids[2], &global_sid_World);
514 sid_copy(&ptoken->user_sids[3], &global_sid_Network);
517 sid_copy(&ptoken->user_sids[4], &global_sid_Builtin_Guests);
519 sid_copy(&ptoken->user_sids[4], &global_sid_Authenticated_Users);
521 sid_ndx = 5; /* next available spot */
523 /* this is where we construct the domain admins SID if we can
524 so that we can add the BUILTIN\Administrators SID to the token */
526 ZERO_STRUCT( domadm );
527 if ( IS_DC || lp_server_role()==ROLE_DOMAIN_MEMBER ) {
531 sid_copy( &domadm, get_global_sam_sid() );
533 /* if we a re a member server and cannot find
534 out domain SID then reset the domain_mode flag */
535 if ( !secrets_fetch_domain_sid( lp_workgroup(), &domadm ) )
539 sid_append_rid( &domadm, DOMAIN_GROUP_RID_ADMINS );
542 /* add the group SIDs to teh token */
544 for (i = 0; i < n_groupSIDs; i++) {
545 size_t check_sid_idx;
546 for (check_sid_idx = 1; check_sid_idx < ptoken->num_sids; check_sid_idx++) {
547 if (sid_equal(&ptoken->user_sids[check_sid_idx],
553 if (check_sid_idx >= ptoken->num_sids) /* Not found already */ {
554 sid_copy(&ptoken->user_sids[sid_ndx++], &groupSIDs[i]);
559 /* here we check if the user is a domain admin and add the
560 BUILTIN\Administrators SID to the token the group membership
564 if ( sid_equal( &domadm, &groupSIDs[i] ) )
565 is_domain_admin = True;
570 /* finally realloc the SID array and add the BUILTIN\Administrators
573 if ( is_domain_admin ) {
576 if ( !(sids = SMB_REALLOC_ARRAY( ptoken->user_sids, DOM_SID, ptoken->num_sids+1 )) )
577 DEBUG(0,("create_nt_user_token: Failed to realloc SID arry of size %d\n", ptoken->num_sids+1));
579 ptoken->user_sids = sids;
580 sid_copy( &(ptoken->user_sids)[ptoken->num_sids++], &global_sid_Builtin_Administrators );
584 /* add privileges assigned to this user */
586 get_privileges_for_sids( &ptoken->privileges, ptoken->user_sids, ptoken->num_sids );
588 debug_nt_user_token(DBGC_AUTH, 10, ptoken);
590 if ((lp_log_nt_token_command() != NULL) &&
591 (strlen(lp_log_nt_token_command()) > 0)) {
596 mem_ctx = talloc_init("setnttoken");
598 return NT_STATUS_NO_MEMORY;
600 group_sidstr = talloc_strdup(mem_ctx, "");
601 for (i=1; i<ptoken->num_sids; i++) {
602 group_sidstr = talloc_asprintf(
603 mem_ctx, "%s %s", group_sidstr,
604 sid_string_static(&ptoken->user_sids[i]));
607 command = talloc_string_sub(
608 mem_ctx, lp_log_nt_token_command(),
609 "%s", sid_string_static(&ptoken->user_sids[0]));
610 command = talloc_string_sub(
611 mem_ctx, command, "%t", group_sidstr);
613 if (command == NULL) {
614 talloc_destroy(mem_ctx);
615 return NT_STATUS_NO_MEMORY;
618 DEBUG(8, ("running command: [%s]\n", command));
619 if (smbrun(command, NULL) != 0) {
620 DEBUG(0, ("Could not log NT token\n"));
621 nt_status = NT_STATUS_ACCESS_DENIED;
623 talloc_destroy(mem_ctx);
631 /****************************************************************************
632 Create the SID list for this user.
633 ****************************************************************************/
635 NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, BOOL is_guest)
640 NT_USER_TOKEN *token;
643 if (!NT_STATUS_IS_OK(uid_to_sid(&user_sid, uid))) {
646 if (!NT_STATUS_IS_OK(gid_to_sid(&group_sid, gid))) {
650 group_sids = SMB_MALLOC_ARRAY(DOM_SID, ngroups);
652 DEBUG(0, ("create_nt_token: malloc() failed for DOM_SID list!\n"));
656 /* convert the Unix group ids to SIDS */
658 for (i = 0; i < ngroups; i++) {
659 if (!NT_STATUS_IS_OK(gid_to_sid(&(group_sids)[i], (groups)[i]))) {
660 DEBUG(1, ("create_nt_token: failed to convert gid %ld to a sid!\n", (long int)groups[i]));
661 SAFE_FREE(group_sids);
666 if (!NT_STATUS_IS_OK(create_nt_user_token(&user_sid, &group_sid,
667 ngroups, group_sids, is_guest, &token))) {
668 SAFE_FREE(group_sids);
672 SAFE_FREE(group_sids);
677 /******************************************************************************
678 Create a token for the root user to be used internally by smbd.
679 This is similar to running under the context of the LOCAL_SYSTEM account
680 in Windows. This is a read-only token. Do not modify it or free() it.
681 Create a copy if your need to change it.
682 ******************************************************************************/
684 NT_USER_TOKEN *get_root_nt_token( void )
686 static NT_USER_TOKEN *token = NULL;
687 DOM_SID u_sid, g_sid;
695 if ( !(pw = getpwnam( "root" )) ) {
696 DEBUG(0,("get_root_nt_token: getpwnam\"root\") failed!\n"));
700 /* get the user and primary group SIDs; although the
701 BUILTIN\Administrators SId is really the one that matters here */
703 if ( !NT_STATUS_IS_OK(uid_to_sid(&u_sid, pw->pw_uid)) )
705 if ( !NT_STATUS_IS_OK(gid_to_sid(&g_sid, pw->pw_gid)) )
708 sid_copy( &g_sids[0], &global_sid_Builtin_Administrators );
710 result = create_nt_user_token( &u_sid, &g_sid, 1, g_sids, False, &token);
712 return NT_STATUS_IS_OK(result) ? token : NULL;
715 /******************************************************************************
716 * this function returns the groups (SIDs) of the local SAM the user is in.
717 * If this samba server is a DC of the domain the user belongs to, it returns
718 * both domain groups and local / builtin groups. If the user is in a trusted
719 * domain, or samba is a member server of a domain, then this function returns
720 * local and builtin groups the user is a member of.
722 * currently this is a hack, as there is no sam implementation that is capable
725 * NOTE!! This function will fail if you pass in a winbind user without
727 ******************************************************************************/
729 static NTSTATUS get_user_groups(const char *username, uid_t uid, gid_t gid,
730 size_t *n_groups, DOM_SID **groups, gid_t **unix_groups)
738 if (strchr(username, *lp_winbind_separator()) == NULL) {
742 result = pdb_enum_group_memberships(username, gid, groups,
743 unix_groups, n_groups);
748 /* We have the separator, this must be winbind */
750 n_unix_groups = winbind_getgroups( username, unix_groups );
752 DEBUG(10,("get_user_groups: winbind_getgroups(%s): result = %s\n",
753 username, n_unix_groups == -1 ? "FAIL" : "SUCCESS"));
755 if ( n_unix_groups == -1 )
756 return NT_STATUS_NO_SUCH_USER; /* what should this return
759 debug_unix_user_token(DBGC_CLASS, 5, uid, gid, n_unix_groups, *unix_groups);
761 /* now setup the space for storing the SIDS */
763 if (n_unix_groups > 0) {
765 *groups = SMB_MALLOC_ARRAY(DOM_SID, n_unix_groups);
768 DEBUG(0, ("get_user_group: malloc() failed for DOM_SID list!\n"));
769 SAFE_FREE(*unix_groups);
770 return NT_STATUS_NO_MEMORY;
774 *n_groups = n_unix_groups;
776 for (i = 0; i < *n_groups; i++) {
777 if (!NT_STATUS_IS_OK(gid_to_sid(&(*groups)[i], (*unix_groups)[i]))) {
778 DEBUG(1, ("get_user_groups: failed to convert gid %ld to a sid!\n",
779 (long int)(*unix_groups)[i+1]));
781 SAFE_FREE(*unix_groups);
782 return NT_STATUS_NO_SUCH_USER;
789 /***************************************************************************
790 Make a user_info struct
791 ***************************************************************************/
793 static NTSTATUS make_server_info(auth_serversupplied_info **server_info)
795 *server_info = SMB_MALLOC_P(auth_serversupplied_info);
797 DEBUG(0,("make_server_info: malloc failed!\n"));
798 return NT_STATUS_NO_MEMORY;
800 ZERO_STRUCTP(*server_info);
802 /* Initialise the uid and gid values to something non-zero
803 which may save us from giving away root access if there
804 is a bug in allocating these fields. */
806 (*server_info)->uid = -1;
807 (*server_info)->gid = -1;
812 /***************************************************************************
813 Fill a server_info struct from a SAM_ACCOUNT with their groups
814 ***************************************************************************/
816 static NTSTATUS add_user_groups(auth_serversupplied_info **server_info,
817 const char * unix_username,
818 SAM_ACCOUNT *sampass,
819 uid_t uid, gid_t gid)
822 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
823 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
824 size_t n_groupSIDs = 0;
825 DOM_SID *groupSIDs = NULL;
826 gid_t *unix_groups = NULL;
827 NT_USER_TOKEN *token;
831 nt_status = get_user_groups(unix_username, uid, gid,
832 &n_groupSIDs, &groupSIDs, &unix_groups);
834 if (!NT_STATUS_IS_OK(nt_status)) {
835 DEBUG(4,("get_user_groups_from_local_sam failed\n"));
836 free_server_info(server_info);
840 is_guest = (sid_peek_rid(user_sid, &rid) && rid == DOMAIN_USER_RID_GUEST);
842 if (!NT_STATUS_IS_OK(nt_status = create_nt_user_token(user_sid, group_sid,
843 n_groupSIDs, groupSIDs, is_guest,
846 DEBUG(4,("create_nt_user_token failed\n"));
847 SAFE_FREE(groupSIDs);
848 SAFE_FREE(unix_groups);
849 free_server_info(server_info);
853 SAFE_FREE(groupSIDs);
855 (*server_info)->n_groups = n_groupSIDs;
856 (*server_info)->groups = unix_groups;
857 (*server_info)->ptok = token;
862 /***************************************************************************
863 Make (and fill) a user_info struct from a SAM_ACCOUNT
864 ***************************************************************************/
866 NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
867 SAM_ACCOUNT *sampass)
872 if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info)))
875 (*server_info)->sam_account = sampass;
877 if ( !(pwd = getpwnam_alloc(pdb_get_username(sampass))) ) {
878 DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n",
879 pdb_get_username(sampass)));
880 free_server_info(server_info);
881 return NT_STATUS_NO_SUCH_USER;
883 (*server_info)->unix_name = smb_xstrdup(pwd->pw_name);
884 (*server_info)->gid = pwd->pw_gid;
885 (*server_info)->uid = pwd->pw_uid;
889 if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, pdb_get_username(sampass),
892 (*server_info)->gid)))
894 free_server_info(server_info);
898 (*server_info)->sam_fill_level = SAM_FILL_ALL;
899 DEBUG(5,("make_server_info_sam: made server info for user %s -> %s\n",
900 pdb_get_username(sampass),
901 (*server_info)->unix_name));
906 /***************************************************************************
907 Make (and fill) a user_info struct from a Kerberos PAC logon_info by conversion
909 ***************************************************************************/
911 NTSTATUS make_server_info_pac(auth_serversupplied_info **server_info,
914 PAC_LOGON_INFO *logon_info)
917 SAM_ACCOUNT *sampass = NULL;
918 DOM_SID user_sid, group_sid;
921 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) {
924 if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) {
928 /* only copy user_sid, group_sid and domain name out of the PAC for
929 * now, we will benefit from more later - Guenther */
931 sid_copy(&user_sid, &logon_info->info3.dom_sid.sid);
932 sid_append_rid(&user_sid, logon_info->info3.user_rid);
933 pdb_set_user_sid(sampass, &user_sid, PDB_SET);
935 sid_copy(&group_sid, &logon_info->info3.dom_sid.sid);
936 sid_append_rid(&group_sid, logon_info->info3.group_rid);
937 pdb_set_group_sid(sampass, &group_sid, PDB_SET);
939 unistr2_to_ascii(dom_name, &logon_info->info3.uni_logon_dom, -1);
940 pdb_set_domain(sampass, dom_name, PDB_SET);
942 pdb_set_logon_count(sampass, logon_info->info3.logon_count, PDB_SET);
944 (*server_info)->sam_account = sampass;
946 if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, unix_username,
947 sampass, pwd->pw_uid, pwd->pw_gid)))
952 (*server_info)->unix_name = smb_xstrdup(unix_username);
954 (*server_info)->sam_fill_level = SAM_FILL_ALL;
955 (*server_info)->uid = pwd->pw_uid;
956 (*server_info)->gid = pwd->pw_gid;
961 /***************************************************************************
962 Make (and fill) a user_info struct from a 'struct passwd' by conversion
964 ***************************************************************************/
966 NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info,
971 SAM_ACCOUNT *sampass = NULL;
972 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) {
975 if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) {
979 (*server_info)->sam_account = sampass;
981 if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, unix_username,
982 sampass, pwd->pw_uid, pwd->pw_gid)))
987 (*server_info)->unix_name = smb_xstrdup(unix_username);
989 (*server_info)->sam_fill_level = SAM_FILL_ALL;
990 (*server_info)->uid = pwd->pw_uid;
991 (*server_info)->gid = pwd->pw_gid;
995 /***************************************************************************
996 Make (and fill) a user_info struct for a guest login.
997 ***************************************************************************/
999 static NTSTATUS make_new_server_info_guest(auth_serversupplied_info **server_info)
1002 SAM_ACCOUNT *sampass = NULL;
1005 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(&sampass))) {
1009 sid_copy(&guest_sid, get_global_sam_sid());
1010 sid_append_rid(&guest_sid, DOMAIN_USER_RID_GUEST);
1013 if (!pdb_getsampwsid(sampass, &guest_sid)) {
1015 return NT_STATUS_NO_SUCH_USER;
1019 nt_status = make_server_info_sam(server_info, sampass);
1021 if (NT_STATUS_IS_OK(nt_status)) {
1022 static const char zeros[16];
1023 (*server_info)->guest = True;
1025 /* annoying, but the Guest really does have a session key,
1026 and it is all zeros! */
1027 (*server_info)->user_session_key = data_blob(zeros, sizeof(zeros));
1028 (*server_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
1034 static auth_serversupplied_info *copy_serverinfo(auth_serversupplied_info *src)
1036 auth_serversupplied_info *dst;
1038 if (!NT_STATUS_IS_OK(make_server_info(&dst)))
1041 dst->guest = src->guest;
1042 dst->uid = src->uid;
1043 dst->gid = src->gid;
1044 dst->n_groups = src->n_groups;
1045 if (src->n_groups != 0)
1046 dst->groups = memdup(src->groups, sizeof(gid_t)*dst->n_groups);
1049 dst->ptok = dup_nt_token(src->ptok);
1050 dst->user_session_key = data_blob(src->user_session_key.data,
1051 src->user_session_key.length);
1052 dst->lm_session_key = data_blob(src->lm_session_key.data,
1053 src->lm_session_key.length);
1054 pdb_copy_sam_account(src->sam_account, &dst->sam_account);
1055 dst->pam_handle = NULL;
1056 dst->unix_name = smb_xstrdup(src->unix_name);
1061 static auth_serversupplied_info *guest_info = NULL;
1063 BOOL init_guest_info(void)
1065 if (guest_info != NULL)
1068 return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info));
1071 NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
1073 *server_info = copy_serverinfo(guest_info);
1074 return (*server_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
1077 /***************************************************************************
1078 Purely internal function for make_server_info_info3
1079 Fill the sam account from getpwnam
1080 ***************************************************************************/
1081 static NTSTATUS fill_sam_account(TALLOC_CTX *mem_ctx,
1083 const char *username,
1084 char **found_username,
1085 uid_t *uid, gid_t *gid,
1086 SAM_ACCOUNT **sam_account)
1089 fstring dom_user, lower_username;
1090 fstring real_username;
1091 struct passwd *passwd;
1093 fstrcpy( lower_username, username );
1094 strlower_m( lower_username );
1096 fstr_sprintf(dom_user, "%s%c%s", domain, *lp_winbind_separator(),
1099 /* get the passwd struct but don't create the user if he/she
1100 does not exist. We were explicitly called from a following
1101 a winbindd authentication request so we should assume that
1102 nss_winbindd is working */
1104 map_username( dom_user );
1106 if ( !(passwd = smb_getpwnam( dom_user, real_username, True )) )
1107 return NT_STATUS_NO_SUCH_USER;
1109 *uid = passwd->pw_uid;
1110 *gid = passwd->pw_gid;
1112 /* This is pointless -- there is no suport for differing
1113 unix and windows names. Make sure to always store the
1114 one we actually looked up and succeeded. Have I mentioned
1115 why I hate the 'winbind use default domain' parameter?
1118 *found_username = talloc_strdup( mem_ctx, real_username );
1120 DEBUG(5,("fill_sam_account: located username was [%s]\n",
1123 nt_status = pdb_init_sam_pw(sam_account, passwd);
1124 passwd_free(&passwd);
1128 /****************************************************************************
1129 Wrapper to allow the getpwnam() call to strip the domain name and
1130 try again in case a local UNIX user is already there. Also run through
1131 the username if we fallback to the username only.
1132 ****************************************************************************/
1134 struct passwd *smb_getpwnam( char *domuser, fstring save_username, BOOL create )
1136 struct passwd *pw = NULL;
1140 /* we only save a copy of the username it has been mangled
1141 by winbindd use default domain */
1143 save_username[0] = '\0';
1145 /* don't call map_username() here since it has to be done higher
1146 up the stack so we don't call it mutliple times */
1148 fstrcpy( username, domuser );
1150 p = strchr_m( username, *lp_winbind_separator() );
1152 /* code for a DOMAIN\user string */
1155 fstring strip_username;
1157 pw = Get_Pwnam_alloc( domuser );
1159 /* make sure we get the case of the username correct */
1160 /* work around 'winbind use default domain = yes' */
1162 if ( !strchr_m( pw->pw_name, *lp_winbind_separator() ) ) {
1165 /* split the domain and username into 2 strings */
1169 fstr_sprintf(save_username, "%s%c%s", domain, *lp_winbind_separator(), pw->pw_name);
1172 fstrcpy( save_username, pw->pw_name );
1178 /* setup for lookup of just the username */
1179 /* remember that p and username are overlapping memory */
1182 fstrcpy( strip_username, p );
1183 fstrcpy( username, strip_username );
1186 /* just lookup a plain username */
1188 pw = Get_Pwnam_alloc(username);
1190 /* Create local user if requested. */
1192 if ( !pw && create ) {
1193 /* Don't add a machine account. */
1194 if (username[strlen(username)-1] == '$')
1197 smb_create_user(NULL, username, NULL);
1198 pw = Get_Pwnam_alloc(username);
1201 /* one last check for a valid passwd struct */
1204 fstrcpy( save_username, pw->pw_name );
1209 /***************************************************************************
1210 Make a server_info struct from the info3 returned by a domain logon
1211 ***************************************************************************/
1213 NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
1214 const char *internal_username,
1215 const char *sent_nt_username,
1217 auth_serversupplied_info **server_info,
1218 NET_USER_INFO_3 *info3)
1220 static const char zeros[16];
1222 NTSTATUS nt_status = NT_STATUS_OK;
1223 char *found_username;
1224 const char *nt_domain;
1225 const char *nt_username;
1227 SAM_ACCOUNT *sam_account = NULL;
1234 size_t n_lgroupSIDs;
1235 DOM_SID *lgroupSIDs = NULL;
1237 gid_t *unix_groups = NULL;
1238 NT_USER_TOKEN *token;
1240 DOM_SID *all_group_SIDs;
1244 Here is where we should check the list of
1245 trusted domains, and verify that the SID
1249 sid_copy(&user_sid, &info3->dom_sid.sid);
1250 if (!sid_append_rid(&user_sid, info3->user_rid)) {
1251 return NT_STATUS_INVALID_PARAMETER;
1254 sid_copy(&group_sid, &info3->dom_sid.sid);
1255 if (!sid_append_rid(&group_sid, info3->group_rid)) {
1256 return NT_STATUS_INVALID_PARAMETER;
1259 if (!(nt_username = unistr2_tdup(mem_ctx, &(info3->uni_user_name)))) {
1260 /* If the server didn't give us one, just use the one we sent them */
1261 nt_username = sent_nt_username;
1264 if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3->uni_logon_dom)))) {
1265 /* If the server didn't give us one, just use the one we sent them */
1269 /* try to fill the SAM account.. If getpwnam() fails, then try the
1270 add user script (2.2.x behavior).
1272 We use the _unmapped_ username here in an attempt to provide
1273 consistent username mapping behavior between kerberos and NTLM[SSP]
1274 authentication in domain mode security. I.E. Username mapping should
1275 be applied to the fully qualified username (e.g. DOMAIN\user) and
1276 no just the login name. Yes this mean swe called map_username()
1277 unnecessarily in make_user_info_map() but that is how the current
1278 code is designed. Making the change here is the least disruptive
1281 nt_status = fill_sam_account(mem_ctx, nt_domain, sent_nt_username,
1282 &found_username, &uid, &gid, &sam_account);
1284 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
1285 DEBUG(3,("User %s does not exist, trying to add it\n", internal_username));
1286 smb_create_user( nt_domain, sent_nt_username, NULL);
1287 nt_status = fill_sam_account( mem_ctx, nt_domain, sent_nt_username,
1288 &found_username, &uid, &gid, &sam_account );
1291 /* if we still don't have a valid unix account check for
1292 'map to gues = bad uid' */
1294 if (!NT_STATUS_IS_OK(nt_status)) {
1295 if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID ) {
1296 make_server_info_guest(server_info);
1297 return NT_STATUS_OK;
1300 DEBUG(0, ("make_server_info_info3: pdb_init_sam failed!\n"));
1304 if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
1305 pdb_free_sam(&sam_account);
1306 return NT_STATUS_NO_MEMORY;
1309 if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) {
1310 pdb_free_sam(&sam_account);
1311 return NT_STATUS_NO_MEMORY;
1314 if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) {
1315 pdb_free_sam(&sam_account);
1316 return NT_STATUS_NO_MEMORY;
1319 if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
1320 pdb_free_sam(&sam_account);
1321 return NT_STATUS_UNSUCCESSFUL;
1324 if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) {
1325 pdb_free_sam(&sam_account);
1326 return NT_STATUS_UNSUCCESSFUL;
1329 if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)),
1331 pdb_free_sam(&sam_account);
1332 return NT_STATUS_NO_MEMORY;
1335 if (!pdb_set_logon_script(sam_account, unistr2_static(&(info3->uni_logon_script)), PDB_CHANGED)) {
1336 pdb_free_sam(&sam_account);
1337 return NT_STATUS_NO_MEMORY;
1340 if (!pdb_set_profile_path(sam_account, unistr2_static(&(info3->uni_profile_path)), PDB_CHANGED)) {
1341 pdb_free_sam(&sam_account);
1342 return NT_STATUS_NO_MEMORY;
1345 if (!pdb_set_homedir(sam_account, unistr2_static(&(info3->uni_home_dir)), PDB_CHANGED)) {
1346 pdb_free_sam(&sam_account);
1347 return NT_STATUS_NO_MEMORY;
1350 if (!pdb_set_dir_drive(sam_account, unistr2_static(&(info3->uni_dir_drive)), PDB_CHANGED)) {
1351 pdb_free_sam(&sam_account);
1352 return NT_STATUS_NO_MEMORY;
1355 if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) {
1356 DEBUG(4, ("make_server_info failed!\n"));
1357 pdb_free_sam(&sam_account);
1361 /* save this here to _net_sam_logon() doesn't fail (it assumes a
1362 valid SAM_ACCOUNT) */
1364 (*server_info)->sam_account = sam_account;
1366 (*server_info)->unix_name = smb_xstrdup(found_username);
1368 /* Fill in the unix info we found on the way */
1370 (*server_info)->sam_fill_level = SAM_FILL_ALL;
1371 (*server_info)->uid = uid;
1372 (*server_info)->gid = gid;
1374 /* Store the user group information in the server_info
1375 returned to the caller. */
1377 nt_status = get_user_groups((*server_info)->unix_name,
1378 uid, gid, &n_lgroupSIDs, &lgroupSIDs, &unix_groups);
1380 if ( !NT_STATUS_IS_OK(nt_status) ) {
1381 DEBUG(4,("get_user_groups failed\n"));
1385 (*server_info)->groups = unix_groups;
1386 (*server_info)->n_groups = n_lgroupSIDs;
1388 /* Create a 'combined' list of all SIDs we might want in the SD */
1390 all_group_SIDs = SMB_MALLOC_ARRAY(DOM_SID,info3->num_groups2 + info3->num_other_sids + n_lgroupSIDs);
1392 if (!all_group_SIDs) {
1393 DEBUG(0, ("malloc() failed for DOM_SID list!\n"));
1394 SAFE_FREE(lgroupSIDs);
1395 free_server_info(server_info);
1396 return NT_STATUS_NO_MEMORY;
1399 /* and create (by appending rids) the 'domain' sids */
1401 for (i = 0; i < info3->num_groups2; i++) {
1403 sid_copy(&all_group_SIDs[i], &(info3->dom_sid.sid));
1405 if (!sid_append_rid(&all_group_SIDs[i], info3->gids[i].g_rid)) {
1407 nt_status = NT_STATUS_INVALID_PARAMETER;
1409 DEBUG(3,("could not append additional group rid 0x%x\n",
1410 info3->gids[i].g_rid));
1412 SAFE_FREE(lgroupSIDs);
1413 SAFE_FREE(all_group_SIDs);
1414 free_server_info(server_info);
1421 /* Copy 'other' sids. We need to do sid filtering here to
1422 prevent possible elevation of privileges. See:
1424 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
1427 for (i = 0; i < info3->num_other_sids; i++) {
1428 sid_copy(&all_group_SIDs[info3->num_groups2 + i],
1429 &info3->other_sids[i].sid);
1433 /* add local alias sids */
1435 for (i = 0; i < n_lgroupSIDs; i++) {
1436 sid_copy(&all_group_SIDs[info3->num_groups2 +
1437 info3->num_other_sids + i],
1441 /* Where are the 'global' sids... */
1443 /* can the user be guest? if yes, where is it stored? */
1445 nt_status = create_nt_user_token(&user_sid, &group_sid,
1446 info3->num_groups2 + info3->num_other_sids + n_lgroupSIDs,
1447 all_group_SIDs, False, &token);
1449 if ( !NT_STATUS_IS_OK(nt_status) ) {
1450 DEBUG(4,("create_nt_user_token failed\n"));
1451 SAFE_FREE(lgroupSIDs);
1452 SAFE_FREE(all_group_SIDs);
1453 free_server_info(server_info);
1457 (*server_info)->login_server = unistr2_tdup(mem_ctx,
1458 &(info3->uni_logon_srv));
1460 (*server_info)->ptok = token;
1462 SAFE_FREE(lgroupSIDs);
1463 SAFE_FREE(all_group_SIDs);
1465 /* ensure we are never given NULL session keys */
1467 if (memcmp(info3->user_sess_key, zeros, sizeof(zeros)) == 0) {
1468 (*server_info)->user_session_key = data_blob(NULL, 0);
1470 (*server_info)->user_session_key = data_blob(info3->user_sess_key, sizeof(info3->user_sess_key));
1473 if (memcmp(info3->lm_sess_key, zeros, 8) == 0) {
1474 (*server_info)->lm_session_key = data_blob(NULL, 0);
1476 (*server_info)->lm_session_key = data_blob(info3->lm_sess_key, sizeof(info3->lm_sess_key));
1479 return NT_STATUS_OK;
1482 /***************************************************************************
1483 Free a user_info struct
1484 ***************************************************************************/
1486 void free_user_info(auth_usersupplied_info **user_info)
1488 DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
1489 if (*user_info != NULL) {
1490 if ((*user_info)->smb_name.str) {
1491 DEBUG(10,("structure was created for %s\n", (*user_info)->smb_name.str));
1493 SAFE_FREE((*user_info)->smb_name.str);
1494 SAFE_FREE((*user_info)->internal_username.str);
1495 SAFE_FREE((*user_info)->client_domain.str);
1496 SAFE_FREE((*user_info)->domain.str);
1497 SAFE_FREE((*user_info)->wksta_name.str);
1498 data_blob_free(&(*user_info)->lm_resp);
1499 data_blob_free(&(*user_info)->nt_resp);
1500 data_blob_clear_free(&(*user_info)->lm_interactive_pwd);
1501 data_blob_clear_free(&(*user_info)->nt_interactive_pwd);
1502 data_blob_clear_free(&(*user_info)->plaintext_password);
1503 ZERO_STRUCT(**user_info);
1505 SAFE_FREE(*user_info);
1508 /***************************************************************************
1509 Clear out a server_info struct that has been allocated
1510 ***************************************************************************/
1512 void free_server_info(auth_serversupplied_info **server_info)
1514 DEBUG(5,("attempting to free (and zero) a server_info structure\n"));
1515 if (*server_info != NULL) {
1516 pdb_free_sam(&(*server_info)->sam_account);
1518 /* call pam_end here, unless we know we are keeping it */
1519 delete_nt_token( &(*server_info)->ptok );
1520 SAFE_FREE((*server_info)->groups);
1521 SAFE_FREE((*server_info)->unix_name);
1522 data_blob_free(&(*server_info)->lm_session_key);
1523 data_blob_free(&(*server_info)->user_session_key);
1524 ZERO_STRUCT(**server_info);
1526 SAFE_FREE(*server_info);
1529 /***************************************************************************
1530 Make an auth_methods struct
1531 ***************************************************************************/
1533 BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
1535 if (!auth_context) {
1536 smb_panic("no auth_context supplied to make_auth_methods()!\n");
1540 smb_panic("make_auth_methods: pointer to auth_method pointer is NULL!\n");
1543 *auth_method = TALLOC_P(auth_context->mem_ctx, auth_methods);
1544 if (!*auth_method) {
1545 DEBUG(0,("make_auth_method: malloc failed!\n"));
1548 ZERO_STRUCTP(*auth_method);
1553 /****************************************************************************
1555 ****************************************************************************/
1557 void delete_nt_token(NT_USER_TOKEN **pptoken)
1560 NT_USER_TOKEN *ptoken = *pptoken;
1562 SAFE_FREE( ptoken->user_sids );
1563 ZERO_STRUCTP(ptoken);
1565 SAFE_FREE(*pptoken);
1568 /****************************************************************************
1569 Duplicate a SID token.
1570 ****************************************************************************/
1572 NT_USER_TOKEN *dup_nt_token(NT_USER_TOKEN *ptoken)
1574 NT_USER_TOKEN *token;
1579 if ((token = SMB_MALLOC_P(NT_USER_TOKEN)) == NULL)
1582 ZERO_STRUCTP(token);
1584 token->user_sids = (DOM_SID *)memdup( ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids );
1591 token->num_sids = ptoken->num_sids;
1593 /* copy the privileges; don't consider failure to be critical here */
1595 if ( !se_priv_copy( &token->privileges, &ptoken->privileges ) ) {
1596 DEBUG(0,("dup_nt_token: Failure to copy SE_PRIV!. Continuing with 0 privileges assigned.\n"));
1602 /****************************************************************************
1603 Check for a SID in an NT_USER_TOKEN
1604 ****************************************************************************/
1606 static BOOL nt_token_check_sid ( DOM_SID *sid, NT_USER_TOKEN *token )
1610 if ( !sid || !token )
1613 for ( i=0; i<token->num_sids; i++ ) {
1614 if ( sid_equal( sid, &token->user_sids[i] ) )
1621 BOOL nt_token_check_domain_rid( NT_USER_TOKEN *token, uint32 rid )
1625 /* if we are a domain member, the get the domain SID, else for
1626 a DC or standalone server, use our own SID */
1628 if ( lp_server_role() == ROLE_DOMAIN_MEMBER ) {
1629 if ( !secrets_fetch_domain_sid( lp_workgroup(), &domain_sid ) ) {
1630 DEBUG(1,("nt_token_check_domain_rid: Cannot lookup SID for domain [%s]\n",
1636 sid_copy( &domain_sid, get_global_sam_sid() );
1638 sid_append_rid( &domain_sid, rid );
1640 return nt_token_check_sid( &domain_sid, token );\
1644 * Verify whether or not given domain is trusted.
1646 * @param domain_name name of the domain to be verified
1647 * @return true if domain is one of the trusted once or
1648 * false if otherwise
1651 BOOL is_trusted_domain(const char* dom_name)
1653 DOM_SID trustdom_sid;
1656 /* no trusted domains for a standalone server */
1658 if ( lp_server_role() == ROLE_STANDALONE )
1661 /* if we are a DC, then check for a direct trust relationships */
1665 DEBUG (5,("is_trusted_domain: Checking for domain trust with [%s]\n",
1667 ret = secrets_fetch_trusted_domain_password(dom_name, NULL, NULL, NULL);
1675 /* If winbind is around, ask it */
1677 result = wb_is_trusted_domain(dom_name);
1679 if (result == NSS_STATUS_SUCCESS) {
1683 if (result == NSS_STATUS_NOTFOUND) {
1684 /* winbind could not find the domain */
1688 /* The only other possible result is that winbind is not up
1689 and running. We need to update the trustdom_cache
1692 update_trustdom_cache();
1695 /* now the trustdom cache should be available a DC could still
1696 * have a transitive trust so fall back to the cache of trusted
1697 * domains (like a domain member would use */
1699 if ( trustdom_cache_fetch(dom_name, &trustdom_sid) ) {