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 /****************************************************************************
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
);
72 if (*user_info
== NULL
) {
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
= SMB_STRDUP(smb_name
);
82 if ((*user_info
)->smb_name
== NULL
) {
83 free_user_info(user_info
);
84 return NT_STATUS_NO_MEMORY
;
87 (*user_info
)->internal_username
= SMB_STRDUP(internal_username
);
88 if ((*user_info
)->internal_username
== NULL
) {
89 free_user_info(user_info
);
90 return NT_STATUS_NO_MEMORY
;
93 (*user_info
)->domain
= SMB_STRDUP(domain
);
94 if ((*user_info
)->domain
== NULL
) {
95 free_user_info(user_info
);
96 return NT_STATUS_NO_MEMORY
;
99 (*user_info
)->client_domain
= SMB_STRDUP(client_domain
);
100 if ((*user_info
)->client_domain
== NULL
) {
101 free_user_info(user_info
);
102 return NT_STATUS_NO_MEMORY
;
105 (*user_info
)->wksta_name
= SMB_STRDUP(wksta_name
);
106 if ((*user_info
)->wksta_name
== NULL
) {
107 free_user_info(user_info
);
108 return NT_STATUS_NO_MEMORY
;
111 DEBUG(5,("making blobs for %s's user_info struct\n", internal_username
));
114 (*user_info
)->lm_resp
= data_blob(lm_pwd
->data
, lm_pwd
->length
);
116 (*user_info
)->nt_resp
= data_blob(nt_pwd
->data
, nt_pwd
->length
);
117 if (lm_interactive_pwd
)
118 (*user_info
)->lm_interactive_pwd
= data_blob(lm_interactive_pwd
->data
, lm_interactive_pwd
->length
);
119 if (nt_interactive_pwd
)
120 (*user_info
)->nt_interactive_pwd
= data_blob(nt_interactive_pwd
->data
, nt_interactive_pwd
->length
);
123 (*user_info
)->plaintext_password
= data_blob(plaintext
->data
, plaintext
->length
);
125 (*user_info
)->encrypted
= encrypted
;
127 (*user_info
)->logon_parameters
= 0;
129 DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted
? "":"un" , internal_username
, smb_name
));
134 /****************************************************************************
135 Create an auth_usersupplied_data structure after appropriate mapping.
136 ****************************************************************************/
138 NTSTATUS
make_user_info_map(auth_usersupplied_info
**user_info
,
139 const char *smb_name
,
140 const char *client_domain
,
141 const char *wksta_name
,
142 DATA_BLOB
*lm_pwd
, DATA_BLOB
*nt_pwd
,
143 DATA_BLOB
*lm_interactive_pwd
, DATA_BLOB
*nt_interactive_pwd
,
144 DATA_BLOB
*plaintext
,
150 fstring internal_username
;
151 fstrcpy(internal_username
, smb_name
);
152 was_mapped
= map_username(internal_username
);
154 DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
155 client_domain
, smb_name
, wksta_name
));
157 /* don't allow "" as a domain, fixes a Win9X bug
158 where it doens't supply a domain for logon script
159 'net use' commands. */
161 if ( *client_domain
)
162 domain
= client_domain
;
164 domain
= lp_workgroup();
166 /* do what win2k does. Always map unknown domains to our own
167 and let the "passdb backend" handle unknown users. */
169 if ( !is_trusted_domain(domain
) && !strequal(domain
, get_global_sam_name()) )
170 domain
= my_sam_name();
172 /* we know that it is a trusted domain (and we are allowing them) or it is our domain */
174 result
= make_user_info(user_info
, smb_name
, internal_username
,
175 client_domain
, domain
, wksta_name
,
177 lm_interactive_pwd
, nt_interactive_pwd
,
178 plaintext
, encrypted
);
179 if (NT_STATUS_IS_OK(result
)) {
180 (*user_info
)->was_mapped
= was_mapped
;
185 /****************************************************************************
186 Create an auth_usersupplied_data, making the DATA_BLOBs here.
187 Decrypt and encrypt the passwords.
188 ****************************************************************************/
190 BOOL
make_user_info_netlogon_network(auth_usersupplied_info
**user_info
,
191 const char *smb_name
,
192 const char *client_domain
,
193 const char *wksta_name
,
194 uint32 logon_parameters
,
195 const uchar
*lm_network_pwd
,
197 const uchar
*nt_network_pwd
,
202 DATA_BLOB lm_blob
= data_blob(lm_network_pwd
, lm_pwd_len
);
203 DATA_BLOB nt_blob
= data_blob(nt_network_pwd
, nt_pwd_len
);
205 status
= make_user_info_map(user_info
,
206 smb_name
, client_domain
,
208 lm_pwd_len
? &lm_blob
: NULL
,
209 nt_pwd_len
? &nt_blob
: NULL
,
213 if (NT_STATUS_IS_OK(status
)) {
214 (*user_info
)->logon_parameters
= logon_parameters
;
216 ret
= NT_STATUS_IS_OK(status
) ? True
: False
;
218 data_blob_free(&lm_blob
);
219 data_blob_free(&nt_blob
);
223 /****************************************************************************
224 Create an auth_usersupplied_data, making the DATA_BLOBs here.
225 Decrypt and encrypt the passwords.
226 ****************************************************************************/
228 BOOL
make_user_info_netlogon_interactive(auth_usersupplied_info
**user_info
,
229 const char *smb_name
,
230 const char *client_domain
,
231 const char *wksta_name
,
232 uint32 logon_parameters
,
234 const uchar lm_interactive_pwd
[16],
235 const uchar nt_interactive_pwd
[16],
236 const uchar
*dc_sess_key
)
238 unsigned char lm_pwd
[16];
239 unsigned char nt_pwd
[16];
240 unsigned char local_lm_response
[24];
241 unsigned char local_nt_response
[24];
242 unsigned char key
[16];
245 memcpy(key
, dc_sess_key
, 8);
247 if (lm_interactive_pwd
)
248 memcpy(lm_pwd
, lm_interactive_pwd
, sizeof(lm_pwd
));
250 if (nt_interactive_pwd
)
251 memcpy(nt_pwd
, nt_interactive_pwd
, sizeof(nt_pwd
));
253 #ifdef DEBUG_PASSWORD
255 dump_data(100, key
, sizeof(key
));
257 DEBUG(100,("lm owf password:"));
258 dump_data(100, lm_pwd
, sizeof(lm_pwd
));
260 DEBUG(100,("nt owf password:"));
261 dump_data(100, nt_pwd
, sizeof(nt_pwd
));
264 if (lm_interactive_pwd
)
265 SamOEMhash(lm_pwd
, key
, sizeof(lm_pwd
));
267 if (nt_interactive_pwd
)
268 SamOEMhash(nt_pwd
, key
, sizeof(nt_pwd
));
270 #ifdef DEBUG_PASSWORD
271 DEBUG(100,("decrypt of lm owf password:"));
272 dump_data(100, lm_pwd
, sizeof(lm_pwd
));
274 DEBUG(100,("decrypt of nt owf password:"));
275 dump_data(100, nt_pwd
, sizeof(nt_pwd
));
278 if (lm_interactive_pwd
)
279 SMBOWFencrypt(lm_pwd
, chal
,
282 if (nt_interactive_pwd
)
283 SMBOWFencrypt(nt_pwd
, chal
,
286 /* Password info paranoia */
292 DATA_BLOB local_lm_blob
;
293 DATA_BLOB local_nt_blob
;
295 DATA_BLOB lm_interactive_blob
;
296 DATA_BLOB nt_interactive_blob
;
298 if (lm_interactive_pwd
) {
299 local_lm_blob
= data_blob(local_lm_response
,
300 sizeof(local_lm_response
));
301 lm_interactive_blob
= data_blob(lm_pwd
,
306 if (nt_interactive_pwd
) {
307 local_nt_blob
= data_blob(local_nt_response
,
308 sizeof(local_nt_response
));
309 nt_interactive_blob
= data_blob(nt_pwd
,
314 nt_status
= make_user_info_map(
316 smb_name
, client_domain
, wksta_name
,
317 lm_interactive_pwd
? &local_lm_blob
: NULL
,
318 nt_interactive_pwd
? &local_nt_blob
: NULL
,
319 lm_interactive_pwd
? &lm_interactive_blob
: NULL
,
320 nt_interactive_pwd
? &nt_interactive_blob
: NULL
,
323 if (NT_STATUS_IS_OK(nt_status
)) {
324 (*user_info
)->logon_parameters
= logon_parameters
;
327 ret
= NT_STATUS_IS_OK(nt_status
) ? True
: False
;
328 data_blob_free(&local_lm_blob
);
329 data_blob_free(&local_nt_blob
);
330 data_blob_free(&lm_interactive_blob
);
331 data_blob_free(&nt_interactive_blob
);
337 /****************************************************************************
338 Create an auth_usersupplied_data structure
339 ****************************************************************************/
341 BOOL
make_user_info_for_reply(auth_usersupplied_info
**user_info
,
342 const char *smb_name
,
343 const char *client_domain
,
345 DATA_BLOB plaintext_password
)
348 DATA_BLOB local_lm_blob
;
349 DATA_BLOB local_nt_blob
;
350 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
353 * Not encrypted - do so.
356 DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted "
359 if (plaintext_password
.data
) {
360 unsigned char local_lm_response
[24];
362 #ifdef DEBUG_PASSWORD
363 DEBUG(10,("Unencrypted password (len %d):\n",
364 (int)plaintext_password
.length
));
365 dump_data(100, plaintext_password
.data
,
366 plaintext_password
.length
);
369 SMBencrypt( (const char *)plaintext_password
.data
,
370 (const uchar
*)chal
, local_lm_response
);
371 local_lm_blob
= data_blob(local_lm_response
, 24);
373 /* We can't do an NT hash here, as the password needs to be
375 local_nt_blob
= data_blob_null
;
378 local_lm_blob
= data_blob_null
;
379 local_nt_blob
= data_blob_null
;
382 ret
= make_user_info_map(
383 user_info
, smb_name
, client_domain
,
384 get_remote_machine_name(),
385 local_lm_blob
.data
? &local_lm_blob
: NULL
,
386 local_nt_blob
.data
? &local_nt_blob
: NULL
,
388 plaintext_password
.data
? &plaintext_password
: NULL
,
391 data_blob_free(&local_lm_blob
);
392 return NT_STATUS_IS_OK(ret
) ? True
: False
;
395 /****************************************************************************
396 Create an auth_usersupplied_data structure
397 ****************************************************************************/
399 NTSTATUS
make_user_info_for_reply_enc(auth_usersupplied_info
**user_info
,
400 const char *smb_name
,
401 const char *client_domain
,
402 DATA_BLOB lm_resp
, DATA_BLOB nt_resp
)
404 return make_user_info_map(user_info
, smb_name
,
406 get_remote_machine_name(),
407 lm_resp
.data
? &lm_resp
: NULL
,
408 nt_resp
.data
? &nt_resp
: NULL
,
413 /****************************************************************************
414 Create a guest user_info blob, for anonymous authenticaion.
415 ****************************************************************************/
417 BOOL
make_user_info_guest(auth_usersupplied_info
**user_info
)
421 nt_status
= make_user_info(user_info
,
430 return NT_STATUS_IS_OK(nt_status
) ? True
: False
;
433 static int server_info_dtor(auth_serversupplied_info
*server_info
)
435 TALLOC_FREE(server_info
->sam_account
);
436 ZERO_STRUCTP(server_info
);
440 /***************************************************************************
441 Make a server_info struct. Free with TALLOC_FREE().
442 ***************************************************************************/
444 static auth_serversupplied_info
*make_server_info(TALLOC_CTX
*mem_ctx
)
446 struct auth_serversupplied_info
*result
;
448 result
= TALLOC_ZERO_P(mem_ctx
, auth_serversupplied_info
);
449 if (result
== NULL
) {
450 DEBUG(0, ("talloc failed\n"));
454 talloc_set_destructor(result
, server_info_dtor
);
456 /* Initialise the uid and gid values to something non-zero
457 which may save us from giving away root access if there
458 is a bug in allocating these fields. */
465 /***************************************************************************
466 Make (and fill) a user_info struct from a struct samu
467 ***************************************************************************/
469 NTSTATUS
make_server_info_sam(auth_serversupplied_info
**server_info
,
470 struct samu
*sampass
)
475 auth_serversupplied_info
*result
;
478 DOM_SID unix_group_sid
;
481 if ( !(result
= make_server_info(NULL
)) ) {
482 return NT_STATUS_NO_MEMORY
;
485 if ( !(pwd
= getpwnam_alloc(result
, pdb_get_username(sampass
))) ) {
486 DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n",
487 pdb_get_username(sampass
)));
489 return NT_STATUS_NO_SUCH_USER
;
492 result
->sam_account
= sampass
;
493 /* Ensure thaat the sampass will be freed with the result */
494 talloc_steal(result
, sampass
);
495 result
->unix_name
= pwd
->pw_name
;
496 /* Ensure that we keep pwd->pw_name, because we will free pwd below */
497 talloc_steal(result
, pwd
->pw_name
);
498 result
->gid
= pwd
->pw_gid
;
499 result
->uid
= pwd
->pw_uid
;
503 status
= pdb_enum_group_memberships(result
, sampass
,
504 &result
->sids
, &gids
,
507 if (!NT_STATUS_IS_OK(status
)) {
508 DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
510 result
->sam_account
= NULL
; /* Don't free on error exit. */
515 /* Add the "Unix Group" SID for each gid to catch mapped groups
516 and their Unix equivalent. This is to solve the backwards
517 compatibility problem of 'valid users = +ntadmin' where
518 ntadmin has been paired with "Domain Admins" in the group
519 mapping table. Otherwise smb.conf would need to be changed
520 to 'valid user = "Domain Admins"'. --jerry */
522 num_gids
= result
->num_sids
;
523 for ( i
=0; i
<num_gids
; i
++ ) {
524 if ( !gid_to_unix_groups_sid( gids
[i
], &unix_group_sid
) ) {
525 DEBUG(1,("make_server_info_sam: Failed to create SID "
526 "for gid %d!\n", gids
[i
]));
529 if (!add_sid_to_array_unique( result
, &unix_group_sid
,
530 &result
->sids
, &result
->num_sids
)) {
531 result
->sam_account
= NULL
; /* Don't free on error exit. */
533 return NT_STATUS_NO_MEMORY
;
537 /* For now we throw away the gids and convert via sid_to_gid
538 * later. This needs fixing, but I'd like to get the code straight and
543 DEBUG(5,("make_server_info_sam: made server info for user %s -> %s\n",
544 pdb_get_username(sampass
), result
->unix_name
));
546 *server_info
= result
;
551 static NTSTATUS
log_nt_token(TALLOC_CTX
*tmp_ctx
, NT_USER_TOKEN
*token
)
557 if ((lp_log_nt_token_command() == NULL
) ||
558 (strlen(lp_log_nt_token_command()) == 0)) {
562 group_sidstr
= talloc_strdup(tmp_ctx
, "");
563 for (i
=1; i
<token
->num_sids
; i
++) {
564 group_sidstr
= talloc_asprintf(
565 tmp_ctx
, "%s %s", group_sidstr
,
566 sid_string_static(&token
->user_sids
[i
]));
569 command
= talloc_string_sub(
570 tmp_ctx
, lp_log_nt_token_command(),
571 "%s", sid_string_static(&token
->user_sids
[0]));
572 command
= talloc_string_sub(tmp_ctx
, command
, "%t", group_sidstr
);
574 if (command
== NULL
) {
575 return NT_STATUS_NO_MEMORY
;
578 DEBUG(8, ("running command: [%s]\n", command
));
579 if (smbrun(command
, NULL
) != 0) {
580 DEBUG(0, ("Could not log NT token\n"));
581 return NT_STATUS_ACCESS_DENIED
;
588 * Create the token to use from server_info->sam_account and
589 * server_info->sids (the info3/sam groups). Find the unix gids.
592 NTSTATUS
create_local_token(auth_serversupplied_info
*server_info
)
599 mem_ctx
= talloc_new(NULL
);
600 if (mem_ctx
== NULL
) {
601 DEBUG(0, ("talloc_new failed\n"));
602 return NT_STATUS_NO_MEMORY
;
606 * If winbind is not around, we can not make much use of the SIDs the
607 * domain controller provided us with. Likewise if the user name was
608 * mapped to some local unix user.
611 if (((lp_server_role() == ROLE_DOMAIN_MEMBER
) && !winbind_ping()) ||
612 (server_info
->was_mapped
)) {
613 status
= create_token_from_username(server_info
,
614 server_info
->unix_name
,
618 &server_info
->unix_name
,
622 server_info
->ptok
= create_local_nt_token(
624 pdb_get_user_sid(server_info
->sam_account
),
626 server_info
->num_sids
, server_info
->sids
);
627 status
= server_info
->ptok
?
628 NT_STATUS_OK
: NT_STATUS_NO_SUCH_USER
;
631 if (!NT_STATUS_IS_OK(status
)) {
632 TALLOC_FREE(mem_ctx
);
636 /* Convert the SIDs to gids. */
638 server_info
->n_groups
= 0;
639 server_info
->groups
= NULL
;
641 /* Start at index 1, where the groups start. */
643 for (i
=1; i
<server_info
->ptok
->num_sids
; i
++) {
645 DOM_SID
*sid
= &server_info
->ptok
->user_sids
[i
];
647 if (!sid_to_gid(sid
, &gid
)) {
648 DEBUG(10, ("Could not convert SID %s to gid, "
649 "ignoring it\n", sid_string_static(sid
)));
652 add_gid_to_array_unique(server_info
, gid
, &server_info
->groups
,
653 &server_info
->n_groups
);
656 debug_nt_user_token(DBGC_AUTH
, 10, server_info
->ptok
);
658 status
= log_nt_token(mem_ctx
, server_info
->ptok
);
660 TALLOC_FREE(mem_ctx
);
665 * Create an artificial NT token given just a username. (Initially indended
668 * We go through lookup_name() to avoid problems we had with 'winbind use
673 * unmapped unix users: Go directly to nss to find the user's group.
675 * A passdb user: The list of groups is provided by pdb_enum_group_memberships.
677 * If the user is provided by winbind, the primary gid is set to "domain
678 * users" of the user's domain. For an explanation why this is necessary, see
679 * the thread starting at
680 * http://lists.samba.org/archive/samba-technical/2006-January/044803.html.
683 NTSTATUS
create_token_from_username(TALLOC_CTX
*mem_ctx
, const char *username
,
685 uid_t
*uid
, gid_t
*gid
,
686 char **found_username
,
687 struct nt_user_token
**token
)
689 NTSTATUS result
= NT_STATUS_NO_SUCH_USER
;
692 enum lsa_SidType type
;
695 DOM_SID unix_group_sid
;
696 size_t num_group_sids
;
700 tmp_ctx
= talloc_new(NULL
);
701 if (tmp_ctx
== NULL
) {
702 DEBUG(0, ("talloc_new failed\n"));
703 return NT_STATUS_NO_MEMORY
;
706 if (!lookup_name_smbconf(tmp_ctx
, username
, LOOKUP_NAME_ALL
,
707 NULL
, NULL
, &user_sid
, &type
)) {
708 DEBUG(1, ("lookup_name_smbconf for %s failed\n", username
));
712 if (type
!= SID_NAME_USER
) {
713 DEBUG(1, ("%s is a %s, not a user\n", username
,
714 sid_type_lookup(type
)));
718 if (!sid_to_uid(&user_sid
, uid
)) {
719 DEBUG(1, ("sid_to_uid for %s (%s) failed\n",
720 username
, sid_string_static(&user_sid
)));
724 if (sid_check_is_in_our_domain(&user_sid
)) {
726 /* This is a passdb user, so ask passdb */
728 struct samu
*sam_acct
= NULL
;
730 if ( !(sam_acct
= samu_new( tmp_ctx
)) ) {
731 result
= NT_STATUS_NO_MEMORY
;
735 if (!pdb_getsampwsid(sam_acct
, &user_sid
)) {
736 DEBUG(1, ("pdb_getsampwsid(%s) for user %s failed\n",
737 sid_string_static(&user_sid
), username
));
738 DEBUGADD(1, ("Fall back to unix user %s\n", username
));
742 result
= pdb_enum_group_memberships(tmp_ctx
, sam_acct
,
745 if (!NT_STATUS_IS_OK(result
)) {
746 DEBUG(10, ("enum_group_memberships failed for %s\n",
748 DEBUGADD(1, ("Fall back to unix user %s\n", username
));
752 /* see the smb_panic() in pdb_default_enum_group_memberships */
753 SMB_ASSERT(num_group_sids
> 0);
757 /* Ensure we're returning the found_username on the right context. */
758 *found_username
= talloc_strdup(mem_ctx
,
759 pdb_get_username(sam_acct
));
761 } else if (sid_check_is_in_unix_users(&user_sid
)) {
763 /* This is a unix user not in passdb. We need to ask nss
764 * directly, without consulting passdb */
769 * This goto target is used as a fallback for the passdb
770 * case. The concrete bug report is when passdb gave us an
776 uid_to_unix_users_sid(*uid
, &user_sid
);
778 pass
= getpwuid_alloc(tmp_ctx
, *uid
);
780 DEBUG(1, ("getpwuid(%d) for user %s failed\n",
785 if (!getgroups_unix_user(tmp_ctx
, username
, pass
->pw_gid
,
786 &gids
, &num_group_sids
)) {
787 DEBUG(1, ("getgroups_unix_user for user %s failed\n",
792 if (num_group_sids
) {
793 group_sids
= TALLOC_ARRAY(tmp_ctx
, DOM_SID
, num_group_sids
);
794 if (group_sids
== NULL
) {
795 DEBUG(1, ("TALLOC_ARRAY failed\n"));
796 result
= NT_STATUS_NO_MEMORY
;
803 for (i
=0; i
<num_group_sids
; i
++) {
804 gid_to_sid(&group_sids
[i
], gids
[i
]);
807 /* In getgroups_unix_user we always set the primary gid */
808 SMB_ASSERT(num_group_sids
> 0);
812 /* Ensure we're returning the found_username on the right context. */
813 *found_username
= talloc_strdup(mem_ctx
, pass
->pw_name
);
816 /* This user is from winbind, force the primary gid to the
817 * user's "domain users" group. Under certain circumstances
818 * (user comes from NT4), this might be a loss of
819 * information. But we can not rely on winbind getting the
820 * correct info. AD might prohibit winbind looking up that
826 group_sids
= TALLOC_ARRAY(tmp_ctx
, DOM_SID
, num_group_sids
);
827 if (group_sids
== NULL
) {
828 DEBUG(1, ("TALLOC_ARRAY failed\n"));
829 result
= NT_STATUS_NO_MEMORY
;
833 sid_copy(&group_sids
[0], &user_sid
);
834 sid_split_rid(&group_sids
[0], &dummy
);
835 sid_append_rid(&group_sids
[0], DOMAIN_GROUP_RID_USERS
);
837 if (!sid_to_gid(&group_sids
[0], gid
)) {
838 DEBUG(1, ("sid_to_gid(%s) failed\n",
839 sid_string_static(&group_sids
[0])));
845 /* Ensure we're returning the found_username on the right context. */
846 *found_username
= talloc_strdup(mem_ctx
, username
);
849 /* Add the "Unix Group" SID for each gid to catch mapped groups
850 and their Unix equivalent. This is to solve the backwards
851 compatibility problem of 'valid users = +ntadmin' where
852 ntadmin has been paired with "Domain Admins" in the group
853 mapping table. Otherwise smb.conf would need to be changed
854 to 'valid user = "Domain Admins"'. --jerry */
856 num_gids
= num_group_sids
;
857 for ( i
=0; i
<num_gids
; i
++ ) {
860 /* don't pickup anything managed by Winbind */
862 if ( lp_idmap_gid(&low
, &high
) && (gids
[i
] >= low
) && (gids
[i
] <= high
) )
865 if ( !gid_to_unix_groups_sid( gids
[i
], &unix_group_sid
) ) {
866 DEBUG(1,("create_token_from_username: Failed to create SID "
867 "for gid %d!\n", gids
[i
]));
870 if (!add_sid_to_array_unique(tmp_ctx
, &unix_group_sid
,
871 &group_sids
, &num_group_sids
)) {
872 result
= NT_STATUS_NO_MEMORY
;
877 /* Ensure we're creating the nt_token on the right context. */
878 *token
= create_local_nt_token(mem_ctx
, &user_sid
,
879 is_guest
, num_group_sids
, group_sids
);
881 if ((*token
== NULL
) || (*found_username
== NULL
)) {
882 result
= NT_STATUS_NO_MEMORY
;
886 result
= NT_STATUS_OK
;
888 TALLOC_FREE(tmp_ctx
);
892 /***************************************************************************
893 Build upon create_token_from_username:
895 Expensive helper function to figure out whether a user given its name is
896 member of a particular group.
897 ***************************************************************************/
899 BOOL
user_in_group_sid(const char *username
, const DOM_SID
*group_sid
)
904 char *found_username
;
905 struct nt_user_token
*token
;
910 mem_ctx
= talloc_new(NULL
);
911 if (mem_ctx
== NULL
) {
912 DEBUG(0, ("talloc_new failed\n"));
916 status
= create_token_from_username(mem_ctx
, username
, False
,
917 &uid
, &gid
, &found_username
,
920 if (!NT_STATUS_IS_OK(status
)) {
921 DEBUG(10, ("could not create token for %s\n", username
));
925 result
= nt_token_check_sid(group_sid
, token
);
927 TALLOC_FREE(mem_ctx
);
932 BOOL
user_in_group(const char *username
, const char *groupname
)
938 mem_ctx
= talloc_new(NULL
);
939 if (mem_ctx
== NULL
) {
940 DEBUG(0, ("talloc_new failed\n"));
944 ret
= lookup_name(mem_ctx
, groupname
, LOOKUP_NAME_ALL
,
945 NULL
, NULL
, &group_sid
, NULL
);
946 TALLOC_FREE(mem_ctx
);
949 DEBUG(10, ("lookup_name for (%s) failed.\n", groupname
));
953 return user_in_group_sid(username
, &group_sid
);
957 /***************************************************************************
958 Make (and fill) a user_info struct from a 'struct passwd' by conversion
960 ***************************************************************************/
962 NTSTATUS
make_server_info_pw(auth_serversupplied_info
**server_info
,
967 struct samu
*sampass
= NULL
;
969 char *qualified_name
= NULL
;
970 TALLOC_CTX
*mem_ctx
= NULL
;
972 enum lsa_SidType type
;
973 auth_serversupplied_info
*result
;
975 if ( !(sampass
= samu_new( NULL
)) ) {
976 return NT_STATUS_NO_MEMORY
;
979 status
= samu_set_unix( sampass
, pwd
);
980 if (!NT_STATUS_IS_OK(status
)) {
984 result
= make_server_info(NULL
);
985 if (result
== NULL
) {
986 TALLOC_FREE(sampass
);
987 return NT_STATUS_NO_MEMORY
;
990 result
->sam_account
= sampass
;
991 result
->unix_name
= talloc_strdup(result
, unix_username
);
992 result
->uid
= pwd
->pw_uid
;
993 result
->gid
= pwd
->pw_gid
;
995 status
= pdb_enum_group_memberships(result
, sampass
,
996 &result
->sids
, &gids
,
999 if (!NT_STATUS_IS_OK(status
)) {
1000 DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
1001 nt_errstr(status
)));
1002 TALLOC_FREE(result
);
1007 * The SID returned in server_info->sam_account is based
1008 * on our SAM sid even though for a pure UNIX account this should
1009 * not be the case as it doesn't really exist in the SAM db.
1010 * This causes lookups on "[in]valid users" to fail as they
1011 * will lookup this name as a "Unix User" SID to check against
1012 * the user token. Fix this by adding the "Unix User"\unix_username
1013 * SID to the sid array. The correct fix should probably be
1014 * changing the server_info->sam_account user SID to be a
1015 * S-1-22 Unix SID, but this might break old configs where
1016 * plaintext passwords were used with no SAM backend.
1019 mem_ctx
= talloc_init("make_server_info_pw_tmp");
1021 TALLOC_FREE(result
);
1022 return NT_STATUS_NO_MEMORY
;
1025 qualified_name
= talloc_asprintf(mem_ctx
, "%s\\%s",
1026 unix_users_domain_name(),
1028 if (!qualified_name
) {
1029 TALLOC_FREE(result
);
1030 TALLOC_FREE(mem_ctx
);
1031 return NT_STATUS_NO_MEMORY
;
1034 if (!lookup_name(mem_ctx
, qualified_name
, LOOKUP_NAME_ALL
,
1037 TALLOC_FREE(result
);
1038 TALLOC_FREE(mem_ctx
);
1039 return NT_STATUS_NO_SUCH_USER
;
1042 TALLOC_FREE(mem_ctx
);
1044 if (type
!= SID_NAME_USER
) {
1045 TALLOC_FREE(result
);
1046 return NT_STATUS_NO_SUCH_USER
;
1049 if (!add_sid_to_array_unique(result
, &u_sid
,
1051 &result
->num_sids
)) {
1052 TALLOC_FREE(result
);
1053 return NT_STATUS_NO_MEMORY
;
1056 /* For now we throw away the gids and convert via sid_to_gid
1057 * later. This needs fixing, but I'd like to get the code straight and
1061 *server_info
= result
;
1063 return NT_STATUS_OK
;
1066 /***************************************************************************
1067 Make (and fill) a user_info struct for a guest login.
1068 This *must* succeed for smbd to start. If there is no mapping entry for
1069 the guest gid, then create one.
1070 ***************************************************************************/
1072 static NTSTATUS
make_new_server_info_guest(auth_serversupplied_info
**server_info
)
1075 struct samu
*sampass
= NULL
;
1078 static const char zeros
[16] = { 0, };
1080 if ( !(sampass
= samu_new( NULL
)) ) {
1081 return NT_STATUS_NO_MEMORY
;
1084 sid_copy(&guest_sid
, get_global_sam_sid());
1085 sid_append_rid(&guest_sid
, DOMAIN_USER_RID_GUEST
);
1088 ret
= pdb_getsampwsid(sampass
, &guest_sid
);
1092 TALLOC_FREE(sampass
);
1093 return NT_STATUS_NO_SUCH_USER
;
1096 status
= make_server_info_sam(server_info
, sampass
);
1097 if (!NT_STATUS_IS_OK(status
)) {
1098 TALLOC_FREE(sampass
);
1102 (*server_info
)->guest
= True
;
1104 status
= create_local_token(*server_info
);
1105 if (!NT_STATUS_IS_OK(status
)) {
1106 DEBUG(10, ("create_local_token failed: %s\n",
1107 nt_errstr(status
)));
1111 /* annoying, but the Guest really does have a session key, and it is
1113 (*server_info
)->user_session_key
= data_blob(zeros
, sizeof(zeros
));
1114 (*server_info
)->lm_session_key
= data_blob(zeros
, sizeof(zeros
));
1116 return NT_STATUS_OK
;
1119 static auth_serversupplied_info
*copy_serverinfo(auth_serversupplied_info
*src
)
1121 auth_serversupplied_info
*dst
;
1123 dst
= make_server_info(NULL
);
1128 dst
->guest
= src
->guest
;
1129 dst
->uid
= src
->uid
;
1130 dst
->gid
= src
->gid
;
1131 dst
->n_groups
= src
->n_groups
;
1132 if (src
->n_groups
!= 0) {
1133 dst
->groups
= (gid_t
*)TALLOC_MEMDUP(
1134 dst
, src
->groups
, sizeof(gid_t
)*dst
->n_groups
);
1140 dst
->ptok
= dup_nt_token(dst
, src
->ptok
);
1147 dst
->user_session_key
= data_blob_talloc( dst
, src
->user_session_key
.data
,
1148 src
->user_session_key
.length
);
1150 dst
->lm_session_key
= data_blob_talloc(dst
, src
->lm_session_key
.data
,
1151 src
->lm_session_key
.length
);
1153 dst
->sam_account
= samu_new(NULL
);
1154 if (!dst
->sam_account
) {
1159 if (!pdb_copy_sam_account(dst
->sam_account
, src
->sam_account
)) {
1164 dst
->pam_handle
= NULL
;
1165 dst
->unix_name
= talloc_strdup(dst
, src
->unix_name
);
1166 if (!dst
->unix_name
) {
1174 static auth_serversupplied_info
*guest_info
= NULL
;
1176 BOOL
init_guest_info(void)
1178 if (guest_info
!= NULL
)
1181 return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info
));
1184 NTSTATUS
make_server_info_guest(auth_serversupplied_info
**server_info
)
1186 *server_info
= copy_serverinfo(guest_info
);
1187 return (*server_info
!= NULL
) ? NT_STATUS_OK
: NT_STATUS_NO_MEMORY
;
1190 BOOL
copy_current_user(struct current_user
*dst
, struct current_user
*src
)
1193 NT_USER_TOKEN
*nt_token
;
1195 groups
= (gid_t
*)memdup(src
->ut
.groups
,
1196 sizeof(gid_t
) * src
->ut
.ngroups
);
1197 if ((src
->ut
.ngroups
!= 0) && (groups
== NULL
)) {
1201 nt_token
= dup_nt_token(NULL
, src
->nt_user_token
);
1202 if (nt_token
== NULL
) {
1207 dst
->conn
= src
->conn
;
1208 dst
->vuid
= src
->vuid
;
1209 dst
->ut
.uid
= src
->ut
.uid
;
1210 dst
->ut
.gid
= src
->ut
.gid
;
1211 dst
->ut
.ngroups
= src
->ut
.ngroups
;
1212 dst
->ut
.groups
= groups
;
1213 dst
->nt_user_token
= nt_token
;
1217 BOOL
set_current_user_guest(struct current_user
*dst
)
1220 NT_USER_TOKEN
*nt_token
;
1222 groups
= (gid_t
*)memdup(guest_info
->groups
,
1223 sizeof(gid_t
) * guest_info
->n_groups
);
1224 if (groups
== NULL
) {
1228 nt_token
= dup_nt_token(NULL
, guest_info
->ptok
);
1229 if (nt_token
== NULL
) {
1234 TALLOC_FREE(dst
->nt_user_token
);
1235 SAFE_FREE(dst
->ut
.groups
);
1237 /* dst->conn is never really dereferenced, it's only tested for
1238 * equality in uid.c */
1241 dst
->vuid
= UID_FIELD_INVALID
;
1242 dst
->ut
.uid
= guest_info
->uid
;
1243 dst
->ut
.gid
= guest_info
->gid
;
1244 dst
->ut
.ngroups
= guest_info
->n_groups
;
1245 dst
->ut
.groups
= groups
;
1246 dst
->nt_user_token
= nt_token
;
1250 /***************************************************************************
1251 Purely internal function for make_server_info_info3
1252 Fill the sam account from getpwnam
1253 ***************************************************************************/
1254 static NTSTATUS
fill_sam_account(TALLOC_CTX
*mem_ctx
,
1256 const char *username
,
1257 char **found_username
,
1258 uid_t
*uid
, gid_t
*gid
,
1259 struct samu
*account
,
1260 BOOL
*username_was_mapped
)
1263 fstring dom_user
, lower_username
;
1264 fstring real_username
;
1265 struct passwd
*passwd
;
1267 fstrcpy( lower_username
, username
);
1268 strlower_m( lower_username
);
1270 fstr_sprintf(dom_user
, "%s%c%s", domain
, *lp_winbind_separator(),
1273 /* Get the passwd struct. Try to create the account is necessary. */
1275 *username_was_mapped
= map_username( dom_user
);
1277 if ( !(passwd
= smb_getpwnam( NULL
, dom_user
, real_username
, True
)) )
1278 return NT_STATUS_NO_SUCH_USER
;
1280 *uid
= passwd
->pw_uid
;
1281 *gid
= passwd
->pw_gid
;
1283 /* This is pointless -- there is no suport for differing
1284 unix and windows names. Make sure to always store the
1285 one we actually looked up and succeeded. Have I mentioned
1286 why I hate the 'winbind use default domain' parameter?
1289 *found_username
= talloc_strdup( mem_ctx
, real_username
);
1291 DEBUG(5,("fill_sam_account: located username was [%s]\n", *found_username
));
1293 nt_status
= samu_set_unix( account
, passwd
);
1295 TALLOC_FREE(passwd
);
1300 /****************************************************************************
1301 Wrapper to allow the getpwnam() call to strip the domain name and
1302 try again in case a local UNIX user is already there. Also run through
1303 the username if we fallback to the username only.
1304 ****************************************************************************/
1306 struct passwd
*smb_getpwnam( TALLOC_CTX
*mem_ctx
, char *domuser
,
1307 fstring save_username
, BOOL create
)
1309 struct passwd
*pw
= NULL
;
1313 /* we only save a copy of the username it has been mangled
1314 by winbindd use default domain */
1316 save_username
[0] = '\0';
1318 /* don't call map_username() here since it has to be done higher
1319 up the stack so we don't call it mutliple times */
1321 fstrcpy( username
, domuser
);
1323 p
= strchr_m( username
, *lp_winbind_separator() );
1325 /* code for a DOMAIN\user string */
1328 fstring strip_username
;
1330 pw
= Get_Pwnam_alloc( mem_ctx
, domuser
);
1332 /* make sure we get the case of the username correct */
1333 /* work around 'winbind use default domain = yes' */
1335 if ( !strchr_m( pw
->pw_name
, *lp_winbind_separator() ) ) {
1338 /* split the domain and username into 2 strings */
1342 fstr_sprintf(save_username
, "%s%c%s", domain
, *lp_winbind_separator(), pw
->pw_name
);
1345 fstrcpy( save_username
, pw
->pw_name
);
1351 /* setup for lookup of just the username */
1352 /* remember that p and username are overlapping memory */
1355 fstrcpy( strip_username
, p
);
1356 fstrcpy( username
, strip_username
);
1359 /* just lookup a plain username */
1361 pw
= Get_Pwnam_alloc(mem_ctx
, username
);
1363 /* Create local user if requested but only if winbindd
1364 is not running. We need to protect against cases
1365 where winbindd is failing and then prematurely
1366 creating users in /etc/passwd */
1368 if ( !pw
&& create
&& !winbind_ping() ) {
1369 /* Don't add a machine account. */
1370 if (username
[strlen(username
)-1] == '$')
1373 smb_create_user(NULL
, username
, NULL
);
1374 pw
= Get_Pwnam_alloc(mem_ctx
, username
);
1377 /* one last check for a valid passwd struct */
1380 fstrcpy( save_username
, pw
->pw_name
);
1385 /***************************************************************************
1386 Make a server_info struct from the info3 returned by a domain logon
1387 ***************************************************************************/
1389 NTSTATUS
make_server_info_info3(TALLOC_CTX
*mem_ctx
,
1390 const char *sent_nt_username
,
1392 auth_serversupplied_info
**server_info
,
1393 NET_USER_INFO_3
*info3
)
1395 static const char zeros
[16] = { 0, };
1397 NTSTATUS nt_status
= NT_STATUS_OK
;
1398 char *found_username
;
1399 const char *nt_domain
;
1400 const char *nt_username
;
1401 struct samu
*sam_account
= NULL
;
1404 BOOL username_was_mapped
;
1411 auth_serversupplied_info
*result
;
1414 Here is where we should check the list of
1415 trusted domains, and verify that the SID
1419 sid_copy(&user_sid
, &info3
->dom_sid
.sid
);
1420 if (!sid_append_rid(&user_sid
, info3
->user_rid
)) {
1421 return NT_STATUS_INVALID_PARAMETER
;
1424 sid_copy(&group_sid
, &info3
->dom_sid
.sid
);
1425 if (!sid_append_rid(&group_sid
, info3
->group_rid
)) {
1426 return NT_STATUS_INVALID_PARAMETER
;
1429 if (!(nt_username
= unistr2_tdup(mem_ctx
, &(info3
->uni_user_name
)))) {
1430 /* If the server didn't give us one, just use the one we sent
1432 nt_username
= sent_nt_username
;
1435 if (!(nt_domain
= unistr2_tdup(mem_ctx
, &(info3
->uni_logon_dom
)))) {
1436 /* If the server didn't give us one, just use the one we sent
1441 /* try to fill the SAM account.. If getpwnam() fails, then try the
1442 add user script (2.2.x behavior).
1444 We use the _unmapped_ username here in an attempt to provide
1445 consistent username mapping behavior between kerberos and NTLM[SSP]
1446 authentication in domain mode security. I.E. Username mapping
1447 should be applied to the fully qualified username
1448 (e.g. DOMAIN\user) and not just the login name. Yes this means we
1449 called map_username() unnecessarily in make_user_info_map() but
1450 that is how the current code is designed. Making the change here
1451 is the least disruptive place. -- jerry */
1453 if ( !(sam_account
= samu_new( NULL
)) ) {
1454 return NT_STATUS_NO_MEMORY
;
1457 /* this call will try to create the user if necessary */
1459 nt_status
= fill_sam_account(mem_ctx
, nt_domain
, sent_nt_username
,
1460 &found_username
, &uid
, &gid
, sam_account
,
1461 &username_was_mapped
);
1464 /* if we still don't have a valid unix account check for
1465 'map to guest = bad uid' */
1467 if (!NT_STATUS_IS_OK(nt_status
)) {
1468 TALLOC_FREE( sam_account
);
1469 if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID
) {
1470 make_server_info_guest(server_info
);
1471 return NT_STATUS_OK
;
1476 if (!pdb_set_nt_username(sam_account
, nt_username
, PDB_CHANGED
)) {
1477 TALLOC_FREE(sam_account
);
1478 return NT_STATUS_NO_MEMORY
;
1481 if (!pdb_set_username(sam_account
, nt_username
, PDB_CHANGED
)) {
1482 TALLOC_FREE(sam_account
);
1483 return NT_STATUS_NO_MEMORY
;
1486 if (!pdb_set_domain(sam_account
, nt_domain
, PDB_CHANGED
)) {
1487 TALLOC_FREE(sam_account
);
1488 return NT_STATUS_NO_MEMORY
;
1491 if (!pdb_set_user_sid(sam_account
, &user_sid
, PDB_CHANGED
)) {
1492 TALLOC_FREE(sam_account
);
1493 return NT_STATUS_UNSUCCESSFUL
;
1496 if (!pdb_set_group_sid(sam_account
, &group_sid
, PDB_CHANGED
)) {
1497 TALLOC_FREE(sam_account
);
1498 return NT_STATUS_UNSUCCESSFUL
;
1501 if (!pdb_set_fullname(sam_account
,
1502 unistr2_static(&(info3
->uni_full_name
)),
1504 TALLOC_FREE(sam_account
);
1505 return NT_STATUS_NO_MEMORY
;
1508 if (!pdb_set_logon_script(sam_account
,
1509 unistr2_static(&(info3
->uni_logon_script
)),
1511 TALLOC_FREE(sam_account
);
1512 return NT_STATUS_NO_MEMORY
;
1515 if (!pdb_set_profile_path(sam_account
,
1516 unistr2_static(&(info3
->uni_profile_path
)),
1518 TALLOC_FREE(sam_account
);
1519 return NT_STATUS_NO_MEMORY
;
1522 if (!pdb_set_homedir(sam_account
,
1523 unistr2_static(&(info3
->uni_home_dir
)),
1525 TALLOC_FREE(sam_account
);
1526 return NT_STATUS_NO_MEMORY
;
1529 if (!pdb_set_dir_drive(sam_account
,
1530 unistr2_static(&(info3
->uni_dir_drive
)),
1532 TALLOC_FREE(sam_account
);
1533 return NT_STATUS_NO_MEMORY
;
1536 if (!pdb_set_acct_ctrl(sam_account
, info3
->acct_flags
, PDB_CHANGED
)) {
1537 TALLOC_FREE(sam_account
);
1538 return NT_STATUS_NO_MEMORY
;
1541 if (!pdb_set_pass_last_set_time(
1543 nt_time_to_unix(info3
->pass_last_set_time
),
1545 TALLOC_FREE(sam_account
);
1546 return NT_STATUS_NO_MEMORY
;
1549 if (!pdb_set_pass_can_change_time(
1551 nt_time_to_unix(info3
->pass_can_change_time
),
1553 TALLOC_FREE(sam_account
);
1554 return NT_STATUS_NO_MEMORY
;
1557 if (!pdb_set_pass_must_change_time(
1559 nt_time_to_unix(info3
->pass_must_change_time
),
1561 TALLOC_FREE(sam_account
);
1562 return NT_STATUS_NO_MEMORY
;
1565 result
= make_server_info(NULL
);
1566 if (result
== NULL
) {
1567 DEBUG(4, ("make_server_info failed!\n"));
1568 TALLOC_FREE(sam_account
);
1569 return NT_STATUS_NO_MEMORY
;
1572 /* save this here to _net_sam_logon() doesn't fail (it assumes a
1573 valid struct samu) */
1575 result
->sam_account
= sam_account
;
1576 result
->unix_name
= talloc_strdup(result
, found_username
);
1578 /* Fill in the unix info we found on the way */
1583 /* Create a 'combined' list of all SIDs we might want in the SD */
1585 result
->num_sids
= 0;
1586 result
->sids
= NULL
;
1588 /* and create (by appending rids) the 'domain' sids */
1590 for (i
= 0; i
< info3
->num_groups2
; i
++) {
1592 if (!sid_compose(&sid
, &info3
->dom_sid
.sid
,
1593 info3
->gids
[i
].g_rid
)) {
1594 DEBUG(3,("could not append additional group rid "
1595 "0x%x\n", info3
->gids
[i
].g_rid
));
1596 TALLOC_FREE(result
);
1597 return NT_STATUS_INVALID_PARAMETER
;
1599 if (!add_sid_to_array(result
, &sid
, &result
->sids
,
1600 &result
->num_sids
)) {
1601 TALLOC_FREE(result
);
1602 return NT_STATUS_NO_MEMORY
;
1606 /* Copy 'other' sids. We need to do sid filtering here to
1607 prevent possible elevation of privileges. See:
1609 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
1612 for (i
= 0; i
< info3
->num_other_sids
; i
++) {
1613 if (!add_sid_to_array(result
, &info3
->other_sids
[i
].sid
,
1615 &result
->num_sids
)) {
1616 TALLOC_FREE(result
);
1617 return NT_STATUS_NO_MEMORY
;
1621 result
->login_server
= unistr2_tdup(result
,
1622 &(info3
->uni_logon_srv
));
1624 /* ensure we are never given NULL session keys */
1626 if (memcmp(info3
->user_sess_key
, zeros
, sizeof(zeros
)) == 0) {
1627 result
->user_session_key
= data_blob_null
;
1629 result
->user_session_key
= data_blob_talloc(
1630 result
, info3
->user_sess_key
,
1631 sizeof(info3
->user_sess_key
));
1634 if (memcmp(info3
->lm_sess_key
, zeros
, 8) == 0) {
1635 result
->lm_session_key
= data_blob_null
;
1637 result
->lm_session_key
= data_blob_talloc(
1638 result
, info3
->lm_sess_key
,
1639 sizeof(info3
->lm_sess_key
));
1642 result
->was_mapped
= username_was_mapped
;
1644 *server_info
= result
;
1646 return NT_STATUS_OK
;
1649 /***************************************************************************
1650 Free a user_info struct
1651 ***************************************************************************/
1653 void free_user_info(auth_usersupplied_info
**user_info
)
1655 DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
1656 if (*user_info
!= NULL
) {
1657 if ((*user_info
)->smb_name
) {
1658 DEBUG(10,("structure was created for %s\n",
1659 (*user_info
)->smb_name
));
1661 SAFE_FREE((*user_info
)->smb_name
);
1662 SAFE_FREE((*user_info
)->internal_username
);
1663 SAFE_FREE((*user_info
)->client_domain
);
1664 SAFE_FREE((*user_info
)->domain
);
1665 SAFE_FREE((*user_info
)->wksta_name
);
1666 data_blob_free(&(*user_info
)->lm_resp
);
1667 data_blob_free(&(*user_info
)->nt_resp
);
1668 data_blob_clear_free(&(*user_info
)->lm_interactive_pwd
);
1669 data_blob_clear_free(&(*user_info
)->nt_interactive_pwd
);
1670 data_blob_clear_free(&(*user_info
)->plaintext_password
);
1671 ZERO_STRUCT(**user_info
);
1673 SAFE_FREE(*user_info
);
1676 /***************************************************************************
1677 Make an auth_methods struct
1678 ***************************************************************************/
1680 BOOL
make_auth_methods(struct auth_context
*auth_context
, auth_methods
**auth_method
)
1682 if (!auth_context
) {
1683 smb_panic("no auth_context supplied to "
1684 "make_auth_methods()!\n");
1688 smb_panic("make_auth_methods: pointer to auth_method pointer "
1692 *auth_method
= TALLOC_P(auth_context
->mem_ctx
, auth_methods
);
1693 if (!*auth_method
) {
1694 DEBUG(0,("make_auth_method: malloc failed!\n"));
1697 ZERO_STRUCTP(*auth_method
);
1703 * Verify whether or not given domain is trusted.
1705 * @param domain_name name of the domain to be verified
1706 * @return true if domain is one of the trusted once or
1707 * false if otherwise
1710 BOOL
is_trusted_domain(const char* dom_name
)
1712 DOM_SID trustdom_sid
;
1715 /* no trusted domains for a standalone server */
1717 if ( lp_server_role() == ROLE_STANDALONE
)
1720 /* if we are a DC, then check for a direct trust relationships */
1724 DEBUG (5,("is_trusted_domain: Checking for domain trust with "
1725 "[%s]\n", dom_name
));
1726 ret
= pdb_get_trusteddom_pw(dom_name
, NULL
, NULL
, NULL
);
1734 /* If winbind is around, ask it */
1736 result
= wb_is_trusted_domain(dom_name
);
1738 if (result
== NSS_STATUS_SUCCESS
) {
1742 if (result
== NSS_STATUS_NOTFOUND
) {
1743 /* winbind could not find the domain */
1747 /* The only other possible result is that winbind is not up
1748 and running. We need to update the trustdom_cache
1751 update_trustdom_cache();
1754 /* now the trustdom cache should be available a DC could still
1755 * have a transitive trust so fall back to the cache of trusted
1756 * domains (like a domain member would use */
1758 if ( trustdom_cache_fetch(dom_name
, &trustdom_sid
) ) {