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
);
79 if (*user_info
== NULL
) {
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
= my_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
= sys_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 TALLOC_FREE(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 struct samu
551 ***************************************************************************/
553 NTSTATUS
make_server_info_sam(auth_serversupplied_info
**server_info
,
554 struct samu
*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 if ( !server_info
->ptok
) {
826 return NT_STATUS_NO_SUCH_USER
;
829 /* Convert the SIDs to gids. */
831 server_info
->n_groups
= 0;
832 server_info
->groups
= NULL
;
834 /* Start at index 1, where the groups start. */
836 for (i
=1; i
<server_info
->ptok
->num_sids
; i
++) {
838 DOM_SID
*sid
= &server_info
->ptok
->user_sids
[i
];
840 if (!sid_to_gid(sid
, &gid
)) {
841 DEBUG(10, ("Could not convert SID %s to gid, "
842 "ignoring it\n", sid_string_static(sid
)));
845 add_gid_to_array_unique(server_info
, gid
, &server_info
->groups
,
846 &server_info
->n_groups
);
849 debug_nt_user_token(DBGC_AUTH
, 10, server_info
->ptok
);
851 status
= log_nt_token(mem_ctx
, server_info
->ptok
);
853 TALLOC_FREE(mem_ctx
);
858 * Create an artificial NT token given just a username. (Initially indended
861 * We go through lookup_name() to avoid problems we had with 'winbind use
866 * unmapped unix users: Go directly to nss to find the user's group.
868 * A passdb user: The list of groups is provided by pdb_enum_group_memberships.
870 * If the user is provided by winbind, the primary gid is set to "domain
871 * users" of the user's domain. For an explanation why this is necessary, see
872 * the thread starting at
873 * http://lists.samba.org/archive/samba-technical/2006-January/044803.html.
876 NTSTATUS
create_token_from_username(TALLOC_CTX
*mem_ctx
, const char *username
,
878 uid_t
*uid
, gid_t
*gid
,
879 char **found_username
,
880 struct nt_user_token
**token
)
882 NTSTATUS result
= NT_STATUS_NO_SUCH_USER
;
885 enum SID_NAME_USE type
;
887 DOM_SID primary_group_sid
;
889 size_t num_group_sids
;
891 tmp_ctx
= talloc_new(NULL
);
892 if (tmp_ctx
== NULL
) {
893 DEBUG(0, ("talloc_new failed\n"));
894 return NT_STATUS_NO_MEMORY
;
897 if (!lookup_name(tmp_ctx
, username
, LOOKUP_NAME_ALL
,
898 NULL
, NULL
, &user_sid
, &type
)) {
899 DEBUG(1, ("lookup_name for %s failed\n", username
));
903 if (type
!= SID_NAME_USER
) {
904 DEBUG(1, ("%s is a %s, not a user\n", username
,
905 sid_type_lookup(type
)));
909 if (!sid_to_uid(&user_sid
, uid
)) {
910 DEBUG(1, ("sid_to_uid for %s (%s) failed\n",
911 username
, sid_string_static(&user_sid
)));
915 if (sid_check_is_in_unix_users(&user_sid
)) {
917 /* This is a unix user not in passdb. We need to ask nss
918 * directly, without consulting passdb */
923 pass
= getpwuid_alloc(tmp_ctx
, *uid
);
925 DEBUG(1, ("getpwuid(%d) for user %s failed\n",
931 gid_to_sid(&primary_group_sid
, pass
->pw_gid
);
933 if (!getgroups_unix_user(tmp_ctx
, username
, pass
->pw_gid
,
934 &gids
, &num_group_sids
)) {
935 DEBUG(1, ("getgroups_unix_user for user %s failed\n",
940 group_sids
= talloc_array(tmp_ctx
, DOM_SID
, num_group_sids
);
941 if (group_sids
== NULL
) {
942 DEBUG(1, ("talloc_array failed\n"));
943 result
= NT_STATUS_NO_MEMORY
;
947 for (i
=0; i
<num_group_sids
; i
++) {
948 gid_to_sid(&group_sids
[i
], gids
[i
]);
950 *found_username
= talloc_strdup(mem_ctx
, pass
->pw_name
);
952 } else if (sid_check_is_in_our_domain(&user_sid
)) {
954 /* This is a passdb user, so ask passdb */
956 struct samu
*sam_acct
= NULL
;
958 if ( !(sam_acct
= samu_new( tmp_ctx
)) ) {
962 if (!pdb_getsampwsid(sam_acct
, &user_sid
)) {
963 DEBUG(1, ("pdb_getsampwsid(%s) for user %s failed\n",
964 sid_string_static(&user_sid
), username
));
965 result
= NT_STATUS_NO_SUCH_USER
;
969 sid_copy(&primary_group_sid
, pdb_get_group_sid(sam_acct
));
971 result
= pdb_enum_group_memberships(tmp_ctx
, sam_acct
,
974 if (!NT_STATUS_IS_OK(result
)) {
975 DEBUG(10, ("enum_group_memberships failed for %s\n",
980 *found_username
= talloc_strdup(mem_ctx
,
981 pdb_get_username(sam_acct
));
985 /* This user is from winbind, force the primary gid to the
986 * user's "domain users" group. Under certain circumstances
987 * (user comes from NT4), this might be a loss of
988 * information. But we can not rely on winbind getting the
989 * correct info. AD might prohibit winbind looking up that
994 sid_copy(&primary_group_sid
, &user_sid
);
995 sid_split_rid(&primary_group_sid
, &dummy
);
996 sid_append_rid(&primary_group_sid
, DOMAIN_GROUP_RID_USERS
);
998 if (!sid_to_gid(&primary_group_sid
, gid
)) {
999 DEBUG(1, ("sid_to_gid(%s) failed\n",
1000 sid_string_static(&primary_group_sid
)));
1007 *found_username
= talloc_strdup(mem_ctx
, username
);
1010 *token
= create_local_nt_token(mem_ctx
, &user_sid
, &primary_group_sid
,
1011 is_guest
, num_group_sids
, group_sids
);
1013 if ((*token
== NULL
) || (*found_username
== NULL
)) {
1014 result
= NT_STATUS_NO_MEMORY
;
1018 result
= NT_STATUS_OK
;
1020 TALLOC_FREE(tmp_ctx
);
1024 /***************************************************************************
1025 Build upon create_token_from_username:
1027 Expensive helper function to figure out whether a user given its name is
1028 member of a particular group.
1029 ***************************************************************************/
1030 BOOL
user_in_group_sid(const char *username
, const DOM_SID
*group_sid
)
1035 char *found_username
;
1036 struct nt_user_token
*token
;
1039 TALLOC_CTX
*mem_ctx
;
1041 mem_ctx
= talloc_new(NULL
);
1042 if (mem_ctx
== NULL
) {
1043 DEBUG(0, ("talloc_new failed\n"));
1047 status
= create_token_from_username(mem_ctx
, username
, False
,
1048 &uid
, &gid
, &found_username
,
1051 if (!NT_STATUS_IS_OK(status
)) {
1052 DEBUG(10, ("could not create token for %s\n", username
));
1056 result
= nt_token_check_sid(group_sid
, token
);
1058 TALLOC_FREE(mem_ctx
);
1063 BOOL
user_in_group(const char *username
, const char *groupname
)
1065 TALLOC_CTX
*mem_ctx
;
1070 mem_ctx
= talloc_new(NULL
);
1071 if (mem_ctx
== NULL
) {
1072 DEBUG(0, ("talloc_new failed\n"));
1076 ret
= lookup_name(mem_ctx
, groupname
, LOOKUP_NAME_ALL
,
1077 NULL
, NULL
, &group_sid
, NULL
);
1078 TALLOC_FREE(mem_ctx
);
1081 DEBUG(10, ("lookup_name(%s) failed: %s\n", groupname
,
1082 nt_errstr(status
)));
1086 return user_in_group_sid(username
, &group_sid
);
1090 /***************************************************************************
1091 Make (and fill) a user_info struct from a 'struct passwd' by conversion
1093 ***************************************************************************/
1095 NTSTATUS
make_server_info_pw(auth_serversupplied_info
**server_info
,
1096 char *unix_username
,
1100 struct samu
*sampass
= NULL
;
1102 auth_serversupplied_info
*result
;
1104 if ( !(sampass
= samu_new( NULL
)) ) {
1105 return NT_STATUS_NO_MEMORY
;
1108 status
= samu_set_unix( sampass
, pwd
);
1109 if (!NT_STATUS_IS_OK(status
)) {
1113 result
= make_server_info(NULL
);
1115 if (!NT_STATUS_IS_OK(status
)) {
1116 TALLOC_FREE(sampass
);
1120 result
->sam_account
= sampass
;
1121 result
->unix_name
= talloc_strdup(result
, unix_username
);
1122 result
->uid
= pwd
->pw_uid
;
1123 result
->gid
= pwd
->pw_gid
;
1125 status
= pdb_enum_group_memberships(result
, sampass
,
1126 &result
->sids
, &gids
,
1129 if (!NT_STATUS_IS_OK(status
)) {
1130 DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
1131 nt_errstr(status
)));
1132 TALLOC_FREE(result
);
1136 /* For now we throw away the gids and convert via sid_to_gid
1137 * later. This needs fixing, but I'd like to get the code straight and
1141 *server_info
= result
;
1143 return NT_STATUS_OK
;
1146 /***************************************************************************
1147 Make (and fill) a user_info struct for a guest login.
1148 This *must* succeed for smbd to start. If there is no mapping entry for
1149 the guest gid, then create one.
1150 **********************
1151 *****************************************************/
1153 static NTSTATUS
make_new_server_info_guest(auth_serversupplied_info
**server_info
)
1156 struct samu
*sampass
= NULL
;
1159 static const char zeros
[16];
1161 if ( !(sampass
= samu_new( NULL
)) ) {
1162 return NT_STATUS_NO_MEMORY
;
1165 sid_copy(&guest_sid
, get_global_sam_sid());
1166 sid_append_rid(&guest_sid
, DOMAIN_USER_RID_GUEST
);
1169 ret
= pdb_getsampwsid(sampass
, &guest_sid
);
1173 TALLOC_FREE(sampass
);
1174 return NT_STATUS_NO_SUCH_USER
;
1177 status
= make_server_info_sam(server_info
, sampass
);
1178 if (!NT_STATUS_IS_OK(status
)) {
1179 TALLOC_FREE(sampass
);
1183 (*server_info
)->guest
= True
;
1185 status
= create_local_token(*server_info
);
1186 if (!NT_STATUS_IS_OK(status
)) {
1187 DEBUG(10, ("create_local_token failed: %s\n",
1188 nt_errstr(status
)));
1192 /* annoying, but the Guest really does have a session key, and it is
1194 (*server_info
)->user_session_key
= data_blob(zeros
, sizeof(zeros
));
1195 (*server_info
)->lm_session_key
= data_blob(zeros
, sizeof(zeros
));
1197 return NT_STATUS_OK
;
1200 static auth_serversupplied_info
*copy_serverinfo(auth_serversupplied_info
*src
)
1202 auth_serversupplied_info
*dst
;
1204 dst
= make_server_info(NULL
);
1209 dst
->guest
= src
->guest
;
1210 dst
->uid
= src
->uid
;
1211 dst
->gid
= src
->gid
;
1212 dst
->n_groups
= src
->n_groups
;
1213 if (src
->n_groups
!= 0)
1214 dst
->groups
= talloc_memdup(dst
, src
->groups
,
1215 sizeof(gid_t
)*dst
->n_groups
);
1219 dst
->ptok
= dup_nt_token(dst
, src
->ptok
);
1221 dst
->user_session_key
= data_blob_talloc( dst
, src
->user_session_key
.data
,
1222 src
->user_session_key
.length
);
1224 dst
->lm_session_key
= data_blob_talloc(dst
, src
->lm_session_key
.data
,
1225 src
->lm_session_key
.length
);
1227 if ( (dst
->sam_account
= samu_new( NULL
)) != NULL
)
1228 pdb_copy_sam_account(dst
->sam_account
, src
->sam_account
);
1230 dst
->pam_handle
= NULL
;
1231 dst
->unix_name
= talloc_strdup(dst
, src
->unix_name
);
1236 static auth_serversupplied_info
*guest_info
= NULL
;
1238 BOOL
init_guest_info(void)
1240 if (guest_info
!= NULL
)
1243 return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info
));
1246 NTSTATUS
make_server_info_guest(auth_serversupplied_info
**server_info
)
1248 *server_info
= copy_serverinfo(guest_info
);
1249 return (*server_info
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
1252 /***************************************************************************
1253 Purely internal function for make_server_info_info3
1254 Fill the sam account from getpwnam
1255 ***************************************************************************/
1256 static NTSTATUS
fill_sam_account(TALLOC_CTX
*mem_ctx
,
1258 const char *username
,
1259 char **found_username
,
1260 uid_t
*uid
, gid_t
*gid
,
1261 struct samu
*account
)
1264 fstring dom_user
, lower_username
;
1265 fstring real_username
;
1266 struct passwd
*passwd
;
1268 fstrcpy( lower_username
, username
);
1269 strlower_m( lower_username
);
1271 fstr_sprintf(dom_user
, "%s%c%s", domain
, *lp_winbind_separator(),
1274 /* get the passwd struct but don't create the user if he/she
1275 does not exist. We were explicitly called from a following
1276 a winbindd authentication request so we should assume that
1277 nss_winbindd is working */
1279 map_username( dom_user
);
1281 if ( !(passwd
= smb_getpwnam( NULL
, dom_user
, real_username
, True
)) )
1282 return NT_STATUS_NO_SUCH_USER
;
1284 *uid
= passwd
->pw_uid
;
1285 *gid
= passwd
->pw_gid
;
1287 /* This is pointless -- there is no suport for differing
1288 unix and windows names. Make sure to always store the
1289 one we actually looked up and succeeded. Have I mentioned
1290 why I hate the 'winbind use default domain' parameter?
1293 *found_username
= talloc_strdup( mem_ctx
, real_username
);
1295 DEBUG(5,("fill_sam_account: located username was [%s]\n", *found_username
));
1297 nt_status
= samu_set_unix( account
, passwd
);
1299 TALLOC_FREE(passwd
);
1304 /****************************************************************************
1305 Wrapper to allow the getpwnam() call to strip the domain name and
1306 try again in case a local UNIX user is already there. Also run through
1307 the username if we fallback to the username only.
1308 ****************************************************************************/
1310 struct passwd
*smb_getpwnam( TALLOC_CTX
*mem_ctx
, char *domuser
,
1311 fstring save_username
, BOOL create
)
1313 struct passwd
*pw
= NULL
;
1317 /* we only save a copy of the username it has been mangled
1318 by winbindd use default domain */
1320 save_username
[0] = '\0';
1322 /* don't call map_username() here since it has to be done higher
1323 up the stack so we don't call it mutliple times */
1325 fstrcpy( username
, domuser
);
1327 p
= strchr_m( username
, *lp_winbind_separator() );
1329 /* code for a DOMAIN\user string */
1332 fstring strip_username
;
1334 pw
= Get_Pwnam_alloc( mem_ctx
, domuser
);
1336 /* make sure we get the case of the username correct */
1337 /* work around 'winbind use default domain = yes' */
1339 if ( !strchr_m( pw
->pw_name
, *lp_winbind_separator() ) ) {
1342 /* split the domain and username into 2 strings */
1346 fstr_sprintf(save_username
, "%s%c%s", domain
, *lp_winbind_separator(), pw
->pw_name
);
1349 fstrcpy( save_username
, pw
->pw_name
);
1355 /* setup for lookup of just the username */
1356 /* remember that p and username are overlapping memory */
1359 fstrcpy( strip_username
, p
);
1360 fstrcpy( username
, strip_username
);
1363 /* just lookup a plain username */
1365 pw
= Get_Pwnam_alloc(mem_ctx
, username
);
1367 /* Create local user if requested. */
1369 if ( !pw
&& create
) {
1370 /* Don't add a machine account. */
1371 if (username
[strlen(username
)-1] == '$')
1374 smb_create_user(NULL
, username
, NULL
);
1375 pw
= Get_Pwnam_alloc(mem_ctx
, username
);
1378 /* one last check for a valid passwd struct */
1381 fstrcpy( save_username
, pw
->pw_name
);
1386 /***************************************************************************
1387 Make a server_info struct from the info3 returned by a domain logon
1388 ***************************************************************************/
1390 NTSTATUS
make_server_info_info3(TALLOC_CTX
*mem_ctx
,
1391 const char *internal_username
,
1392 const char *sent_nt_username
,
1394 auth_serversupplied_info
**server_info
,
1395 NET_USER_INFO_3
*info3
)
1397 static const char zeros
[16];
1399 NTSTATUS nt_status
= NT_STATUS_OK
;
1400 char *found_username
;
1401 const char *nt_domain
;
1402 const char *nt_username
;
1403 struct samu
*sam_account
= NULL
;
1412 auth_serversupplied_info
*result
;
1415 Here is where we should check the list of
1416 trusted domains, and verify that the SID
1420 sid_copy(&user_sid
, &info3
->dom_sid
.sid
);
1421 if (!sid_append_rid(&user_sid
, info3
->user_rid
)) {
1422 return NT_STATUS_INVALID_PARAMETER
;
1425 sid_copy(&group_sid
, &info3
->dom_sid
.sid
);
1426 if (!sid_append_rid(&group_sid
, info3
->group_rid
)) {
1427 return NT_STATUS_INVALID_PARAMETER
;
1430 if (!(nt_username
= unistr2_tdup(mem_ctx
, &(info3
->uni_user_name
)))) {
1431 /* If the server didn't give us one, just use the one we sent
1433 nt_username
= sent_nt_username
;
1436 if (!(nt_domain
= unistr2_tdup(mem_ctx
, &(info3
->uni_logon_dom
)))) {
1437 /* If the server didn't give us one, just use the one we sent
1442 /* try to fill the SAM account.. If getpwnam() fails, then try the
1443 add user script (2.2.x behavior).
1445 We use the _unmapped_ username here in an attempt to provide
1446 consistent username mapping behavior between kerberos and NTLM[SSP]
1447 authentication in domain mode security. I.E. Username mapping
1448 should be applied to the fully qualified username
1449 (e.g. DOMAIN\user) and not just the login name. Yes this means we
1450 called map_username() unnecessarily in make_user_info_map() but
1451 that is how the current code is designed. Making the change here
1452 is the least disruptive place. -- jerry */
1454 if ( !(sam_account
= samu_new( NULL
)) ) {
1455 return NT_STATUS_NO_MEMORY
;
1458 nt_status
= fill_sam_account(mem_ctx
, nt_domain
, sent_nt_username
,
1459 &found_username
, &uid
, &gid
, sam_account
);
1461 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_NO_SUCH_USER
)) {
1462 DEBUG(3,("User %s does not exist, trying to add it\n",
1463 internal_username
));
1464 smb_create_user( nt_domain
, sent_nt_username
, NULL
);
1465 nt_status
= fill_sam_account( mem_ctx
, nt_domain
, sent_nt_username
,
1466 &found_username
, &uid
, &gid
, sam_account
);
1469 /* if we still don't have a valid unix account check for
1470 'map to guest = bad uid' */
1472 if (!NT_STATUS_IS_OK(nt_status
)) {
1473 TALLOC_FREE( sam_account
);
1474 if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID
) {
1475 make_server_info_guest(server_info
);
1476 return NT_STATUS_OK
;
1481 if (!pdb_set_nt_username(sam_account
, nt_username
, PDB_CHANGED
)) {
1482 TALLOC_FREE(sam_account
);
1483 return NT_STATUS_NO_MEMORY
;
1486 if (!pdb_set_username(sam_account
, nt_username
, PDB_CHANGED
)) {
1487 TALLOC_FREE(sam_account
);
1488 return NT_STATUS_NO_MEMORY
;
1491 if (!pdb_set_domain(sam_account
, nt_domain
, PDB_CHANGED
)) {
1492 TALLOC_FREE(sam_account
);
1493 return NT_STATUS_NO_MEMORY
;
1496 if (!pdb_set_user_sid(sam_account
, &user_sid
, PDB_CHANGED
)) {
1497 TALLOC_FREE(sam_account
);
1498 return NT_STATUS_UNSUCCESSFUL
;
1501 if (!pdb_set_group_sid(sam_account
, &group_sid
, PDB_CHANGED
)) {
1502 TALLOC_FREE(sam_account
);
1503 return NT_STATUS_UNSUCCESSFUL
;
1506 if (!pdb_set_fullname(sam_account
,
1507 unistr2_static(&(info3
->uni_full_name
)),
1509 TALLOC_FREE(sam_account
);
1510 return NT_STATUS_NO_MEMORY
;
1513 if (!pdb_set_logon_script(sam_account
,
1514 unistr2_static(&(info3
->uni_logon_script
)),
1516 TALLOC_FREE(sam_account
);
1517 return NT_STATUS_NO_MEMORY
;
1520 if (!pdb_set_profile_path(sam_account
,
1521 unistr2_static(&(info3
->uni_profile_path
)),
1523 TALLOC_FREE(sam_account
);
1524 return NT_STATUS_NO_MEMORY
;
1527 if (!pdb_set_homedir(sam_account
,
1528 unistr2_static(&(info3
->uni_home_dir
)),
1530 TALLOC_FREE(sam_account
);
1531 return NT_STATUS_NO_MEMORY
;
1534 if (!pdb_set_dir_drive(sam_account
,
1535 unistr2_static(&(info3
->uni_dir_drive
)),
1537 TALLOC_FREE(sam_account
);
1538 return NT_STATUS_NO_MEMORY
;
1541 if (!pdb_set_acct_ctrl(sam_account
, info3
->acct_flags
, PDB_CHANGED
)) {
1542 TALLOC_FREE(sam_account
);
1543 return NT_STATUS_NO_MEMORY
;
1546 result
= make_server_info(NULL
);
1547 if (result
== NULL
) {
1548 DEBUG(4, ("make_server_info failed!\n"));
1549 TALLOC_FREE(sam_account
);
1550 return NT_STATUS_NO_MEMORY
;
1553 /* save this here to _net_sam_logon() doesn't fail (it assumes a
1554 valid struct samu) */
1556 result
->sam_account
= sam_account
;
1557 result
->unix_name
= talloc_strdup(result
, found_username
);
1559 /* Fill in the unix info we found on the way */
1564 /* Create a 'combined' list of all SIDs we might want in the SD */
1566 result
->num_sids
= 0;
1567 result
->sids
= NULL
;
1569 /* and create (by appending rids) the 'domain' sids */
1571 for (i
= 0; i
< info3
->num_groups2
; i
++) {
1573 if (!sid_compose(&sid
, &info3
->dom_sid
.sid
,
1574 info3
->gids
[i
].g_rid
)) {
1575 DEBUG(3,("could not append additional group rid "
1576 "0x%x\n", info3
->gids
[i
].g_rid
));
1577 TALLOC_FREE(result
);
1578 return NT_STATUS_INVALID_PARAMETER
;
1580 add_sid_to_array(result
, &sid
, &result
->sids
,
1584 /* Copy 'other' sids. We need to do sid filtering here to
1585 prevent possible elevation of privileges. See:
1587 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
1590 for (i
= 0; i
< info3
->num_other_sids
; i
++) {
1591 add_sid_to_array(result
, &info3
->other_sids
[i
].sid
,
1596 result
->login_server
= unistr2_tdup(result
,
1597 &(info3
->uni_logon_srv
));
1599 /* ensure we are never given NULL session keys */
1601 if (memcmp(info3
->user_sess_key
, zeros
, sizeof(zeros
)) == 0) {
1602 result
->user_session_key
= data_blob(NULL
, 0);
1604 result
->user_session_key
= data_blob_talloc(
1605 result
, info3
->user_sess_key
,
1606 sizeof(info3
->user_sess_key
));
1609 if (memcmp(info3
->lm_sess_key
, zeros
, 8) == 0) {
1610 result
->lm_session_key
= data_blob(NULL
, 0);
1612 result
->lm_session_key
= data_blob_talloc(
1613 result
, info3
->lm_sess_key
,
1614 sizeof(info3
->lm_sess_key
));
1617 *server_info
= result
;
1619 return NT_STATUS_OK
;
1622 /***************************************************************************
1623 Free a user_info struct
1624 ***************************************************************************/
1626 void free_user_info(auth_usersupplied_info
**user_info
)
1628 DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
1629 if (*user_info
!= NULL
) {
1630 if ((*user_info
)->smb_name
) {
1631 DEBUG(10,("structure was created for %s\n",
1632 (*user_info
)->smb_name
));
1634 SAFE_FREE((*user_info
)->smb_name
);
1635 SAFE_FREE((*user_info
)->internal_username
);
1636 SAFE_FREE((*user_info
)->client_domain
);
1637 SAFE_FREE((*user_info
)->domain
);
1638 SAFE_FREE((*user_info
)->wksta_name
);
1639 data_blob_free(&(*user_info
)->lm_resp
);
1640 data_blob_free(&(*user_info
)->nt_resp
);
1641 data_blob_clear_free(&(*user_info
)->lm_interactive_pwd
);
1642 data_blob_clear_free(&(*user_info
)->nt_interactive_pwd
);
1643 data_blob_clear_free(&(*user_info
)->plaintext_password
);
1644 ZERO_STRUCT(**user_info
);
1646 SAFE_FREE(*user_info
);
1649 /***************************************************************************
1650 Make an auth_methods struct
1651 ***************************************************************************/
1653 BOOL
make_auth_methods(struct auth_context
*auth_context
, auth_methods
**auth_method
)
1655 if (!auth_context
) {
1656 smb_panic("no auth_context supplied to "
1657 "make_auth_methods()!\n");
1661 smb_panic("make_auth_methods: pointer to auth_method pointer "
1665 *auth_method
= TALLOC_P(auth_context
->mem_ctx
, auth_methods
);
1666 if (!*auth_method
) {
1667 DEBUG(0,("make_auth_method: malloc failed!\n"));
1670 ZERO_STRUCTP(*auth_method
);
1675 /****************************************************************************
1676 Duplicate a SID token.
1677 ****************************************************************************/
1679 NT_USER_TOKEN
*dup_nt_token(TALLOC_CTX
*mem_ctx
, NT_USER_TOKEN
*ptoken
)
1681 NT_USER_TOKEN
*token
;
1686 token
= TALLOC_P(mem_ctx
, NT_USER_TOKEN
);
1687 if (token
== NULL
) {
1688 DEBUG(0, ("talloc failed\n"));
1692 token
->user_sids
= talloc_memdup(token
, ptoken
->user_sids
,
1693 sizeof(DOM_SID
) * ptoken
->num_sids
);
1695 if ((ptoken
->user_sids
!= NULL
) && (token
->user_sids
== NULL
)) {
1696 DEBUG(0, ("talloc_memdup failed\n"));
1701 token
->num_sids
= ptoken
->num_sids
;
1703 /* copy the privileges; don't consider failure to be critical here */
1705 if ( !se_priv_copy( &token
->privileges
, &ptoken
->privileges
) ) {
1706 DEBUG(0,("dup_nt_token: Failure to copy SE_PRIV!. "
1707 "Continuing with 0 privileges assigned.\n"));
1713 /****************************************************************************
1714 Check for a SID in an NT_USER_TOKEN
1715 ****************************************************************************/
1717 BOOL
nt_token_check_sid ( const DOM_SID
*sid
, const NT_USER_TOKEN
*token
)
1721 if ( !sid
|| !token
)
1724 for ( i
=0; i
<token
->num_sids
; i
++ ) {
1725 if ( sid_equal( sid
, &token
->user_sids
[i
] ) )
1732 BOOL
nt_token_check_domain_rid( NT_USER_TOKEN
*token
, uint32 rid
)
1736 /* if we are a domain member, the get the domain SID, else for
1737 a DC or standalone server, use our own SID */
1739 if ( lp_server_role() == ROLE_DOMAIN_MEMBER
) {
1740 if ( !secrets_fetch_domain_sid( lp_workgroup(),
1742 DEBUG(1,("nt_token_check_domain_rid: Cannot lookup "
1743 "SID for domain [%s]\n", lp_workgroup()));
1748 sid_copy( &domain_sid
, get_global_sam_sid() );
1750 sid_append_rid( &domain_sid
, rid
);
1752 return nt_token_check_sid( &domain_sid
, token
);\
1756 * Verify whether or not given domain is trusted.
1758 * @param domain_name name of the domain to be verified
1759 * @return true if domain is one of the trusted once or
1760 * false if otherwise
1763 BOOL
is_trusted_domain(const char* dom_name
)
1765 DOM_SID trustdom_sid
;
1768 /* no trusted domains for a standalone server */
1770 if ( lp_server_role() == ROLE_STANDALONE
)
1773 /* if we are a DC, then check for a direct trust relationships */
1777 DEBUG (5,("is_trusted_domain: Checking for domain trust with "
1778 "[%s]\n", dom_name
));
1779 ret
= secrets_fetch_trusted_domain_password(dom_name
, NULL
,
1788 /* If winbind is around, ask it */
1790 result
= wb_is_trusted_domain(dom_name
);
1792 if (result
== NSS_STATUS_SUCCESS
) {
1796 if (result
== NSS_STATUS_NOTFOUND
) {
1797 /* winbind could not find the domain */
1801 /* The only other possible result is that winbind is not up
1802 and running. We need to update the trustdom_cache
1805 update_trustdom_cache();
1808 /* now the trustdom cache should be available a DC could still
1809 * have a transitive trust so fall back to the cache of trusted
1810 * domains (like a domain member would use */
1812 if ( trustdom_cache_fetch(dom_name
, &trustdom_sid
) ) {