2 Unix SMB/CIFS implementation.
4 Winbind daemon - pam auth funcions
6 Copyright (C) Andrew Tridgell 2000
7 Copyright (C) Tim Potter 2001
8 Copyright (C) Andrew Bartlett 2001-2002
9 Copyright (C) Guenther Deschner 2005
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #define DBGC_CLASS DBGC_WINBIND
30 #define LOGON_KRB5_FAIL_CLOCK_SKEW 0x02000000
32 static NTSTATUS
append_info3_as_txt(TALLOC_CTX
*mem_ctx
,
33 struct winbindd_cli_state
*state
,
34 struct netr_SamInfo3
*info3
)
40 state
->response
.data
.auth
.info3
.logon_time
=
41 nt_time_to_unix(info3
->base
.last_logon
);
42 state
->response
.data
.auth
.info3
.logoff_time
=
43 nt_time_to_unix(info3
->base
.last_logoff
);
44 state
->response
.data
.auth
.info3
.kickoff_time
=
45 nt_time_to_unix(info3
->base
.acct_expiry
);
46 state
->response
.data
.auth
.info3
.pass_last_set_time
=
47 nt_time_to_unix(info3
->base
.last_password_change
);
48 state
->response
.data
.auth
.info3
.pass_can_change_time
=
49 nt_time_to_unix(info3
->base
.allow_password_change
);
50 state
->response
.data
.auth
.info3
.pass_must_change_time
=
51 nt_time_to_unix(info3
->base
.force_password_change
);
53 state
->response
.data
.auth
.info3
.logon_count
= info3
->base
.logon_count
;
54 state
->response
.data
.auth
.info3
.bad_pw_count
= info3
->base
.bad_password_count
;
56 state
->response
.data
.auth
.info3
.user_rid
= info3
->base
.rid
;
57 state
->response
.data
.auth
.info3
.group_rid
= info3
->base
.primary_gid
;
58 sid_to_fstring(state
->response
.data
.auth
.info3
.dom_sid
, info3
->base
.domain_sid
);
60 state
->response
.data
.auth
.info3
.num_groups
= info3
->base
.groups
.count
;
61 state
->response
.data
.auth
.info3
.user_flgs
= info3
->base
.user_flags
;
63 state
->response
.data
.auth
.info3
.acct_flags
= info3
->base
.acct_flags
;
64 state
->response
.data
.auth
.info3
.num_other_sids
= info3
->sidcount
;
66 fstrcpy(state
->response
.data
.auth
.info3
.user_name
,
67 info3
->base
.account_name
.string
);
68 fstrcpy(state
->response
.data
.auth
.info3
.full_name
,
69 info3
->base
.full_name
.string
);
70 fstrcpy(state
->response
.data
.auth
.info3
.logon_script
,
71 info3
->base
.logon_script
.string
);
72 fstrcpy(state
->response
.data
.auth
.info3
.profile_path
,
73 info3
->base
.profile_path
.string
);
74 fstrcpy(state
->response
.data
.auth
.info3
.home_dir
,
75 info3
->base
.home_directory
.string
);
76 fstrcpy(state
->response
.data
.auth
.info3
.dir_drive
,
77 info3
->base
.home_drive
.string
);
79 fstrcpy(state
->response
.data
.auth
.info3
.logon_srv
,
80 info3
->base
.logon_server
.string
);
81 fstrcpy(state
->response
.data
.auth
.info3
.logon_dom
,
82 info3
->base
.domain
.string
);
84 ex
= talloc_strdup(mem_ctx
, "");
85 NT_STATUS_HAVE_NO_MEMORY(ex
);
87 for (i
=0; i
< info3
->base
.groups
.count
; i
++) {
88 ex
= talloc_asprintf_append_buffer(ex
, "0x%08X:0x%08X\n",
89 info3
->base
.groups
.rids
[i
].rid
,
90 info3
->base
.groups
.rids
[i
].attributes
);
91 NT_STATUS_HAVE_NO_MEMORY(ex
);
94 for (i
=0; i
< info3
->sidcount
; i
++) {
97 sid
= dom_sid_string(mem_ctx
, info3
->sids
[i
].sid
);
98 NT_STATUS_HAVE_NO_MEMORY(sid
);
100 ex
= talloc_asprintf_append_buffer(ex
, "%s:0x%08X\n",
102 info3
->sids
[i
].attributes
);
103 NT_STATUS_HAVE_NO_MEMORY(ex
);
108 size
= talloc_get_size(ex
);
110 SAFE_FREE(state
->response
.extra_data
.data
);
111 state
->response
.extra_data
.data
= SMB_MALLOC(size
);
112 if (!state
->response
.extra_data
.data
) {
113 return NT_STATUS_NO_MEMORY
;
115 memcpy(state
->response
.extra_data
.data
, ex
, size
);
118 state
->response
.length
+= size
;
123 static NTSTATUS
append_info3_as_ndr(TALLOC_CTX
*mem_ctx
,
124 struct winbindd_cli_state
*state
,
125 struct netr_SamInfo3
*info3
)
128 enum ndr_err_code ndr_err
;
130 ndr_err
= ndr_push_struct_blob(&blob
, mem_ctx
, info3
,
131 (ndr_push_flags_fn_t
)ndr_push_netr_SamInfo3
);
132 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
133 DEBUG(0,("append_info3_as_ndr: failed to append\n"));
134 return ndr_map_error2ntstatus(ndr_err
);
137 SAFE_FREE(state
->response
.extra_data
.data
);
138 state
->response
.extra_data
.data
= SMB_MALLOC(blob
.length
);
139 if (!state
->response
.extra_data
.data
) {
140 data_blob_free(&blob
);
141 return NT_STATUS_NO_MEMORY
;
144 memset(state
->response
.extra_data
.data
, '\0', blob
.length
);
145 memcpy(state
->response
.extra_data
.data
, blob
.data
, blob
.length
);
146 state
->response
.length
+= blob
.length
;
148 data_blob_free(&blob
);
153 static NTSTATUS
append_unix_username(TALLOC_CTX
*mem_ctx
,
154 struct winbindd_cli_state
*state
,
155 const struct netr_SamInfo3
*info3
,
156 const char *name_domain
,
157 const char *name_user
)
159 /* We've been asked to return the unix username, per
160 'winbind use default domain' settings and the like */
162 const char *nt_username
, *nt_domain
;
164 nt_domain
= talloc_strdup(mem_ctx
, info3
->base
.domain
.string
);
166 /* If the server didn't give us one, just use the one
168 nt_domain
= name_domain
;
171 nt_username
= talloc_strdup(mem_ctx
, info3
->base
.account_name
.string
);
173 /* If the server didn't give us one, just use the one
175 nt_username
= name_user
;
178 fill_domain_username(state
->response
.data
.auth
.unix_username
,
179 nt_domain
, nt_username
, True
);
181 DEBUG(5,("Setting unix username to [%s]\n",
182 state
->response
.data
.auth
.unix_username
));
187 static NTSTATUS
append_afs_token(TALLOC_CTX
*mem_ctx
,
188 struct winbindd_cli_state
*state
,
189 const struct netr_SamInfo3
*info3
,
190 const char *name_domain
,
191 const char *name_user
)
193 char *afsname
= NULL
;
196 afsname
= talloc_strdup(mem_ctx
, lp_afs_username_map());
197 if (afsname
== NULL
) {
198 return NT_STATUS_NO_MEMORY
;
201 afsname
= talloc_string_sub(mem_ctx
,
202 lp_afs_username_map(),
204 afsname
= talloc_string_sub(mem_ctx
, afsname
,
206 afsname
= talloc_string_sub(mem_ctx
, afsname
,
213 sid_copy(&user_sid
, info3
->base
.domain_sid
);
214 sid_append_rid(&user_sid
, info3
->base
.rid
);
215 sid_to_fstring(sidstr
, &user_sid
);
216 afsname
= talloc_string_sub(mem_ctx
, afsname
,
220 if (afsname
== NULL
) {
221 return NT_STATUS_NO_MEMORY
;
226 DEBUG(10, ("Generating token for user %s\n", afsname
));
228 cell
= strchr(afsname
, '@');
231 return NT_STATUS_NO_MEMORY
;
237 /* Append an AFS token string */
238 SAFE_FREE(state
->response
.extra_data
.data
);
239 state
->response
.extra_data
.data
=
240 afs_createtoken_str(afsname
, cell
);
242 if (state
->response
.extra_data
.data
!= NULL
) {
243 state
->response
.length
+=
244 strlen((const char *)state
->response
.extra_data
.data
)+1;
250 static NTSTATUS
check_info3_in_group(TALLOC_CTX
*mem_ctx
,
251 struct netr_SamInfo3
*info3
,
252 const char *group_sid
)
254 * Check whether a user belongs to a group or list of groups.
256 * @param mem_ctx talloc memory context.
257 * @param info3 user information, including group membership info.
258 * @param group_sid One or more groups , separated by commas.
260 * @return NT_STATUS_OK on success,
261 * NT_STATUS_LOGON_FAILURE if the user does not belong,
262 * or other NT_STATUS_IS_ERR(status) for other kinds of failure.
265 DOM_SID
*require_membership_of_sid
;
266 size_t num_require_membership_of_sid
;
271 struct nt_user_token
*token
;
272 TALLOC_CTX
*frame
= NULL
;
275 /* Parse the 'required group' SID */
277 if (!group_sid
|| !group_sid
[0]) {
278 /* NO sid supplied, all users may access */
282 if (!(token
= TALLOC_ZERO_P(mem_ctx
, struct nt_user_token
))) {
283 DEBUG(0, ("talloc failed\n"));
284 return NT_STATUS_NO_MEMORY
;
287 num_require_membership_of_sid
= 0;
288 require_membership_of_sid
= NULL
;
292 frame
= talloc_stackframe();
293 while (next_token_talloc(frame
, &p
, &req_sid
, ",")) {
294 if (!string_to_sid(&sid
, req_sid
)) {
295 DEBUG(0, ("check_info3_in_group: could not parse %s "
296 "as a SID!", req_sid
));
298 return NT_STATUS_INVALID_PARAMETER
;
301 status
= add_sid_to_array(mem_ctx
, &sid
,
302 &require_membership_of_sid
,
303 &num_require_membership_of_sid
);
304 if (!NT_STATUS_IS_OK(status
)) {
305 DEBUG(0, ("add_sid_to_array failed\n"));
313 status
= sid_array_from_info3(mem_ctx
, info3
,
317 if (!NT_STATUS_IS_OK(status
)) {
321 if (!NT_STATUS_IS_OK(status
= add_aliases(get_global_sam_sid(),
323 || !NT_STATUS_IS_OK(status
= add_aliases(&global_sid_Builtin
,
325 DEBUG(3, ("could not add aliases: %s\n",
330 debug_nt_user_token(DBGC_CLASS
, 10, token
);
332 for (i
=0; i
<num_require_membership_of_sid
; i
++) {
333 DEBUG(10, ("Checking SID %s\n", sid_string_dbg(
334 &require_membership_of_sid
[i
])));
335 if (nt_token_check_sid(&require_membership_of_sid
[i
],
337 DEBUG(10, ("Access ok\n"));
342 /* Do not distinguish this error from a wrong username/pw */
344 return NT_STATUS_LOGON_FAILURE
;
347 struct winbindd_domain
*find_auth_domain(struct winbindd_cli_state
*state
,
348 const char *domain_name
)
350 struct winbindd_domain
*domain
;
353 domain
= find_domain_from_name_noinit(domain_name
);
354 if (domain
== NULL
) {
355 DEBUG(3, ("Authentication for domain [%s] refused "
356 "as it is not a trusted domain\n",
362 if (is_myname(domain_name
)) {
363 DEBUG(3, ("Authentication for domain %s (local domain "
364 "to this server) not supported at this "
365 "stage\n", domain_name
));
369 /* we can auth against trusted domains */
370 if (state
->request
.flags
& WBFLAG_PAM_CONTACT_TRUSTDOM
) {
371 domain
= find_domain_from_name_noinit(domain_name
);
372 if (domain
== NULL
) {
373 DEBUG(3, ("Authentication for domain [%s] skipped "
374 "as it is not a trusted domain\n",
381 return find_our_domain();
384 static void set_auth_errors(struct winbindd_response
*resp
, NTSTATUS result
)
386 resp
->data
.auth
.nt_status
= NT_STATUS_V(result
);
387 fstrcpy(resp
->data
.auth
.nt_status_string
, nt_errstr(result
));
389 /* we might have given a more useful error above */
390 if (*resp
->data
.auth
.error_string
== '\0')
391 fstrcpy(resp
->data
.auth
.error_string
,
392 get_friendly_nt_error_msg(result
));
393 resp
->data
.auth
.pam_error
= nt_status_to_pam(result
);
396 static NTSTATUS
fillup_password_policy(struct winbindd_domain
*domain
,
397 struct winbindd_cli_state
*state
)
399 struct winbindd_methods
*methods
;
400 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
401 struct samr_DomInfo1 password_policy
;
403 if ( !winbindd_can_contact_domain( domain
) ) {
404 DEBUG(5,("fillup_password_policy: No inbound trust to "
405 "contact domain %s\n", domain
->name
));
406 return NT_STATUS_NOT_SUPPORTED
;
409 methods
= domain
->methods
;
411 status
= methods
->password_policy(domain
, state
->mem_ctx
, &password_policy
);
412 if (NT_STATUS_IS_ERR(status
)) {
416 state
->response
.data
.auth
.policy
.min_length_password
=
417 password_policy
.min_password_length
;
418 state
->response
.data
.auth
.policy
.password_history
=
419 password_policy
.password_history_length
;
420 state
->response
.data
.auth
.policy
.password_properties
=
421 password_policy
.password_properties
;
422 state
->response
.data
.auth
.policy
.expire
=
423 nt_time_to_unix_abs((NTTIME
*)&(password_policy
.max_password_age
));
424 state
->response
.data
.auth
.policy
.min_passwordage
=
425 nt_time_to_unix_abs((NTTIME
*)&(password_policy
.min_password_age
));
430 static NTSTATUS
get_max_bad_attempts_from_lockout_policy(struct winbindd_domain
*domain
,
432 uint16
*lockout_threshold
)
434 struct winbindd_methods
*methods
;
435 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
436 struct samr_DomInfo12 lockout_policy
;
438 *lockout_threshold
= 0;
440 methods
= domain
->methods
;
442 status
= methods
->lockout_policy(domain
, mem_ctx
, &lockout_policy
);
443 if (NT_STATUS_IS_ERR(status
)) {
447 *lockout_threshold
= lockout_policy
.lockout_threshold
;
452 static NTSTATUS
get_pwd_properties(struct winbindd_domain
*domain
,
454 uint32
*password_properties
)
456 struct winbindd_methods
*methods
;
457 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
458 struct samr_DomInfo1 password_policy
;
460 *password_properties
= 0;
462 methods
= domain
->methods
;
464 status
= methods
->password_policy(domain
, mem_ctx
, &password_policy
);
465 if (NT_STATUS_IS_ERR(status
)) {
469 *password_properties
= password_policy
.password_properties
;
476 static const char *generate_krb5_ccache(TALLOC_CTX
*mem_ctx
,
479 bool *internal_ccache
)
481 /* accept FILE and WRFILE as krb5_cc_type from the client and then
482 * build the full ccname string based on the user's uid here -
485 const char *gen_cc
= NULL
;
487 *internal_ccache
= True
;
493 if (!type
|| type
[0] == '\0') {
497 if (strequal(type
, "FILE")) {
498 gen_cc
= talloc_asprintf(mem_ctx
, "FILE:/tmp/krb5cc_%d", uid
);
499 } else if (strequal(type
, "WRFILE")) {
500 gen_cc
= talloc_asprintf(mem_ctx
, "WRFILE:/tmp/krb5cc_%d", uid
);
502 DEBUG(10,("we don't allow to set a %s type ccache\n", type
));
506 *internal_ccache
= False
;
510 gen_cc
= talloc_strdup(mem_ctx
, "MEMORY:winbindd_pam_ccache");
513 if (gen_cc
== NULL
) {
514 DEBUG(0,("out of memory\n"));
518 DEBUG(10,("using ccache: %s %s\n", gen_cc
, *internal_ccache
? "(internal)":""));
523 static void setup_return_cc_name(struct winbindd_cli_state
*state
, const char *cc
)
525 const char *type
= state
->request
.data
.auth
.krb5_cc_type
;
527 state
->response
.data
.auth
.krb5ccname
[0] = '\0';
529 if (type
[0] == '\0') {
533 if (!strequal(type
, "FILE") &&
534 !strequal(type
, "WRFILE")) {
535 DEBUG(10,("won't return krbccname for a %s type ccache\n",
540 fstrcpy(state
->response
.data
.auth
.krb5ccname
, cc
);
545 static uid_t
get_uid_from_state(struct winbindd_cli_state
*state
)
549 uid
= state
->request
.data
.auth
.uid
;
552 DEBUG(1,("invalid uid: '%d'\n", uid
));
558 /**********************************************************************
559 Authenticate a user with a clear text password using Kerberos and fill up
561 **********************************************************************/
563 static NTSTATUS
winbindd_raw_kerberos_login(struct winbindd_domain
*domain
,
564 struct winbindd_cli_state
*state
,
565 struct netr_SamInfo3
**info3
)
568 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
569 krb5_error_code krb5_ret
;
570 const char *cc
= NULL
;
571 const char *principal_s
= NULL
;
572 const char *service
= NULL
;
574 fstring name_domain
, name_user
;
575 time_t ticket_lifetime
= 0;
576 time_t renewal_until
= 0;
579 time_t time_offset
= 0;
580 bool internal_ccache
= True
;
587 * prepare a krb5_cc_cache string for the user */
589 uid
= get_uid_from_state(state
);
591 DEBUG(0,("no valid uid\n"));
594 cc
= generate_krb5_ccache(state
->mem_ctx
,
595 state
->request
.data
.auth
.krb5_cc_type
,
596 state
->request
.data
.auth
.uid
,
599 return NT_STATUS_NO_MEMORY
;
604 * get kerberos properties */
606 if (domain
->private_data
) {
607 ads
= (ADS_STRUCT
*)domain
->private_data
;
608 time_offset
= ads
->auth
.time_offset
;
613 * do kerberos auth and setup ccache as the user */
615 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
617 realm
= domain
->alt_name
;
620 principal_s
= talloc_asprintf(state
->mem_ctx
, "%s@%s", name_user
, realm
);
621 if (principal_s
== NULL
) {
622 return NT_STATUS_NO_MEMORY
;
625 service
= talloc_asprintf(state
->mem_ctx
, "%s/%s@%s", KRB5_TGS_NAME
, realm
, realm
);
626 if (service
== NULL
) {
627 return NT_STATUS_NO_MEMORY
;
630 /* if this is a user ccache, we need to act as the user to let the krb5
631 * library handle the chown, etc. */
633 /************************ ENTERING NON-ROOT **********************/
635 if (!internal_ccache
) {
636 set_effective_uid(uid
);
637 DEBUG(10,("winbindd_raw_kerberos_login: uid is %d\n", uid
));
640 result
= kerberos_return_info3_from_pac(state
->mem_ctx
,
642 state
->request
.data
.auth
.pass
,
649 WINBINDD_PAM_AUTH_KRB5_RENEW_TIME
,
651 if (!internal_ccache
) {
652 gain_root_privilege();
655 /************************ RETURNED TO ROOT **********************/
657 if (!NT_STATUS_IS_OK(result
)) {
661 DEBUG(10,("winbindd_raw_kerberos_login: winbindd validated ticket of %s\n",
664 /* if we had a user's ccache then return that string for the pam
667 if (!internal_ccache
) {
669 setup_return_cc_name(state
, cc
);
671 result
= add_ccache_to_list(principal_s
,
674 state
->request
.data
.auth
.user
,
682 if (!NT_STATUS_IS_OK(result
)) {
683 DEBUG(10,("winbindd_raw_kerberos_login: failed to add ccache to list: %s\n",
688 /* need to delete the memory cred cache, it is not used anymore */
690 krb5_ret
= ads_kdestroy(cc
);
692 DEBUG(3,("winbindd_raw_kerberos_login: "
693 "could not destroy krb5 credential cache: "
694 "%s\n", error_message(krb5_ret
)));
703 /* we could have created a new credential cache with a valid tgt in it
704 * but we werent able to get or verify the service ticket for this
705 * local host and therefor didn't get the PAC, we need to remove that
706 * cache entirely now */
708 krb5_ret
= ads_kdestroy(cc
);
710 DEBUG(3,("winbindd_raw_kerberos_login: "
711 "could not destroy krb5 credential cache: "
712 "%s\n", error_message(krb5_ret
)));
715 if (!NT_STATUS_IS_OK(remove_ccache(state
->request
.data
.auth
.user
))) {
716 DEBUG(3,("winbindd_raw_kerberos_login: "
717 "could not remove ccache for user %s\n",
718 state
->request
.data
.auth
.user
));
723 return NT_STATUS_NOT_SUPPORTED
;
724 #endif /* HAVE_KRB5 */
727 /****************************************************************
728 ****************************************************************/
730 static bool check_request_flags(uint32_t flags
)
732 uint32_t flags_edata
= WBFLAG_PAM_AFS_TOKEN
|
733 WBFLAG_PAM_INFO3_TEXT
|
734 WBFLAG_PAM_INFO3_NDR
;
736 if ( ( (flags
& flags_edata
) == WBFLAG_PAM_AFS_TOKEN
) ||
737 ( (flags
& flags_edata
) == WBFLAG_PAM_INFO3_NDR
) ||
738 ( (flags
& flags_edata
) == WBFLAG_PAM_INFO3_TEXT
)||
739 !(flags
& flags_edata
) ) {
743 DEBUG(1,("check_request_flags: invalid request flags[0x%08X]\n",flags
));
748 /****************************************************************
749 ****************************************************************/
751 static NTSTATUS
append_data(struct winbindd_cli_state
*state
,
752 struct netr_SamInfo3
*info3
,
753 const char *name_domain
,
754 const char *name_user
)
757 uint32_t flags
= state
->request
.flags
;
759 if (flags
& WBFLAG_PAM_USER_SESSION_KEY
) {
760 memcpy(state
->response
.data
.auth
.user_session_key
,
762 sizeof(state
->response
.data
.auth
.user_session_key
)
766 if (flags
& WBFLAG_PAM_LMKEY
) {
767 memcpy(state
->response
.data
.auth
.first_8_lm_hash
,
768 info3
->base
.LMSessKey
.key
,
769 sizeof(state
->response
.data
.auth
.first_8_lm_hash
)
773 if (flags
& WBFLAG_PAM_INFO3_TEXT
) {
774 result
= append_info3_as_txt(state
->mem_ctx
, state
, info3
);
775 if (!NT_STATUS_IS_OK(result
)) {
776 DEBUG(10,("Failed to append INFO3 (TXT): %s\n",
782 /* currently, anything from here on potentially overwrites extra_data. */
784 if (flags
& WBFLAG_PAM_INFO3_NDR
) {
785 result
= append_info3_as_ndr(state
->mem_ctx
, state
, info3
);
786 if (!NT_STATUS_IS_OK(result
)) {
787 DEBUG(10,("Failed to append INFO3 (NDR): %s\n",
793 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
794 result
= append_unix_username(state
->mem_ctx
, state
, info3
,
795 name_domain
, name_user
);
796 if (!NT_STATUS_IS_OK(result
)) {
797 DEBUG(10,("Failed to append Unix Username: %s\n",
803 if (flags
& WBFLAG_PAM_AFS_TOKEN
) {
804 result
= append_afs_token(state
->mem_ctx
, state
, info3
,
805 name_domain
, name_user
);
806 if (!NT_STATUS_IS_OK(result
)) {
807 DEBUG(10,("Failed to append AFS token: %s\n",
816 void winbindd_pam_auth(struct winbindd_cli_state
*state
)
818 struct winbindd_domain
*domain
;
819 fstring name_domain
, name_user
;
822 /* Ensure null termination */
823 state
->request
.data
.auth
.user
824 [sizeof(state
->request
.data
.auth
.user
)-1]='\0';
826 /* Ensure null termination */
827 state
->request
.data
.auth
.pass
828 [sizeof(state
->request
.data
.auth
.pass
)-1]='\0';
830 DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)state
->pid
,
831 state
->request
.data
.auth
.user
));
833 if (!check_request_flags(state
->request
.flags
)) {
834 result
= NT_STATUS_INVALID_PARAMETER_MIX
;
838 /* Parse domain and username */
840 ws_name_return( state
->request
.data
.auth
.user
, WB_REPLACE_CHAR
);
842 if (!canonicalize_username(state
->request
.data
.auth
.user
,
843 name_domain
, name_user
)) {
844 result
= NT_STATUS_NO_SUCH_USER
;
848 domain
= find_auth_domain(state
, name_domain
);
850 if (domain
== NULL
) {
851 result
= NT_STATUS_NO_SUCH_USER
;
855 sendto_domain(state
, domain
);
858 set_auth_errors(&state
->response
, result
);
859 DEBUG(5, ("Plain text authentication for %s returned %s "
861 state
->request
.data
.auth
.user
,
862 state
->response
.data
.auth
.nt_status_string
,
863 state
->response
.data
.auth
.pam_error
));
864 request_error(state
);
867 NTSTATUS
winbindd_dual_pam_auth_cached(struct winbindd_domain
*domain
,
868 struct winbindd_cli_state
*state
,
869 struct netr_SamInfo3
**info3
)
871 NTSTATUS result
= NT_STATUS_LOGON_FAILURE
;
872 uint16 max_allowed_bad_attempts
;
873 fstring name_domain
, name_user
;
875 enum lsa_SidType type
;
876 uchar new_nt_pass
[NT_HASH_LEN
];
877 const uint8
*cached_nt_pass
;
878 const uint8
*cached_salt
;
879 struct netr_SamInfo3
*my_info3
;
880 time_t kickoff_time
, must_change_time
;
881 bool password_good
= False
;
883 struct winbindd_tdc_domain
*tdc_domain
= NULL
;
890 DEBUG(10,("winbindd_dual_pam_auth_cached\n"));
892 /* Parse domain and username */
894 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
897 if (!lookup_cached_name(state
->mem_ctx
,
902 DEBUG(10,("winbindd_dual_pam_auth_cached: no such user in the cache\n"));
903 return NT_STATUS_NO_SUCH_USER
;
906 if (type
!= SID_NAME_USER
) {
907 DEBUG(10,("winbindd_dual_pam_auth_cached: not a user (%s)\n", sid_type_lookup(type
)));
908 return NT_STATUS_LOGON_FAILURE
;
911 result
= winbindd_get_creds(domain
,
917 if (!NT_STATUS_IS_OK(result
)) {
918 DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get creds: %s\n", nt_errstr(result
)));
924 E_md4hash(state
->request
.data
.auth
.pass
, new_nt_pass
);
926 dump_data_pw("new_nt_pass", new_nt_pass
, NT_HASH_LEN
);
927 dump_data_pw("cached_nt_pass", cached_nt_pass
, NT_HASH_LEN
);
929 dump_data_pw("cached_salt", cached_salt
, NT_HASH_LEN
);
933 /* In this case we didn't store the nt_hash itself,
934 but the MD5 combination of salt + nt_hash. */
935 uchar salted_hash
[NT_HASH_LEN
];
936 E_md5hash(cached_salt
, new_nt_pass
, salted_hash
);
938 password_good
= (memcmp(cached_nt_pass
, salted_hash
, NT_HASH_LEN
) == 0) ?
941 /* Old cached cred - direct store of nt_hash (bad bad bad !). */
942 password_good
= (memcmp(cached_nt_pass
, new_nt_pass
, NT_HASH_LEN
) == 0) ?
948 /* User *DOES* know the password, update logon_time and reset
951 my_info3
->base
.user_flags
|= NETLOGON_CACHED_ACCOUNT
;
953 if (my_info3
->base
.acct_flags
& ACB_AUTOLOCK
) {
954 return NT_STATUS_ACCOUNT_LOCKED_OUT
;
957 if (my_info3
->base
.acct_flags
& ACB_DISABLED
) {
958 return NT_STATUS_ACCOUNT_DISABLED
;
961 if (my_info3
->base
.acct_flags
& ACB_WSTRUST
) {
962 return NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT
;
965 if (my_info3
->base
.acct_flags
& ACB_SVRTRUST
) {
966 return NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT
;
969 if (my_info3
->base
.acct_flags
& ACB_DOMTRUST
) {
970 return NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT
;
973 if (!(my_info3
->base
.acct_flags
& ACB_NORMAL
)) {
974 DEBUG(0,("winbindd_dual_pam_auth_cached: whats wrong with that one?: 0x%08x\n",
975 my_info3
->base
.acct_flags
));
976 return NT_STATUS_LOGON_FAILURE
;
979 kickoff_time
= nt_time_to_unix(my_info3
->base
.acct_expiry
);
980 if (kickoff_time
!= 0 && time(NULL
) > kickoff_time
) {
981 return NT_STATUS_ACCOUNT_EXPIRED
;
984 must_change_time
= nt_time_to_unix(my_info3
->base
.force_password_change
);
985 if (must_change_time
!= 0 && must_change_time
< time(NULL
)) {
986 /* we allow grace logons when the password has expired */
987 my_info3
->base
.user_flags
|= NETLOGON_GRACE_LOGON
;
988 /* return NT_STATUS_PASSWORD_EXPIRED; */
993 if ((state
->request
.flags
& WBFLAG_PAM_KRB5
) &&
994 ((tdc_domain
= wcache_tdc_fetch_domain(state
->mem_ctx
, name_domain
)) != NULL
) &&
995 (tdc_domain
->trust_type
& NETR_TRUST_TYPE_UPLEVEL
)) {
998 const char *cc
= NULL
;
1000 const char *principal_s
= NULL
;
1001 const char *service
= NULL
;
1002 bool internal_ccache
= False
;
1004 uid
= get_uid_from_state(state
);
1006 DEBUG(0,("winbindd_dual_pam_auth_cached: invalid uid\n"));
1007 return NT_STATUS_INVALID_PARAMETER
;
1010 cc
= generate_krb5_ccache(state
->mem_ctx
,
1011 state
->request
.data
.auth
.krb5_cc_type
,
1012 state
->request
.data
.auth
.uid
,
1015 return NT_STATUS_NO_MEMORY
;
1018 realm
= domain
->alt_name
;
1021 principal_s
= talloc_asprintf(state
->mem_ctx
, "%s@%s", name_user
, realm
);
1022 if (principal_s
== NULL
) {
1023 return NT_STATUS_NO_MEMORY
;
1026 service
= talloc_asprintf(state
->mem_ctx
, "%s/%s@%s", KRB5_TGS_NAME
, realm
, realm
);
1027 if (service
== NULL
) {
1028 return NT_STATUS_NO_MEMORY
;
1031 if (!internal_ccache
) {
1033 setup_return_cc_name(state
, cc
);
1035 result
= add_ccache_to_list(principal_s
,
1038 state
->request
.data
.auth
.user
,
1042 time(NULL
) + lp_winbind_cache_time(),
1043 time(NULL
) + WINBINDD_PAM_AUTH_KRB5_RENEW_TIME
,
1046 if (!NT_STATUS_IS_OK(result
)) {
1047 DEBUG(10,("winbindd_dual_pam_auth_cached: failed "
1048 "to add ccache to list: %s\n",
1049 nt_errstr(result
)));
1053 #endif /* HAVE_KRB5 */
1055 /* FIXME: we possibly should handle logon hours as well (does xp when
1056 * offline?) see auth/auth_sam.c:sam_account_ok for details */
1058 unix_to_nt_time(&my_info3
->base
.last_logon
, time(NULL
));
1059 my_info3
->base
.bad_password_count
= 0;
1061 result
= winbindd_update_creds_by_info3(domain
,
1063 state
->request
.data
.auth
.user
,
1064 state
->request
.data
.auth
.pass
,
1066 if (!NT_STATUS_IS_OK(result
)) {
1067 DEBUG(1,("winbindd_dual_pam_auth_cached: failed to update creds: %s\n",
1068 nt_errstr(result
)));
1072 return NT_STATUS_OK
;
1076 /* User does *NOT* know the correct password, modify info3 accordingly */
1078 /* failure of this is not critical */
1079 result
= get_max_bad_attempts_from_lockout_policy(domain
, state
->mem_ctx
, &max_allowed_bad_attempts
);
1080 if (!NT_STATUS_IS_OK(result
)) {
1081 DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get max_allowed_bad_attempts. "
1082 "Won't be able to honour account lockout policies\n"));
1085 /* increase counter */
1086 my_info3
->base
.bad_password_count
++;
1088 if (max_allowed_bad_attempts
== 0) {
1093 if (my_info3
->base
.bad_password_count
>= max_allowed_bad_attempts
) {
1095 uint32 password_properties
;
1097 result
= get_pwd_properties(domain
, state
->mem_ctx
, &password_properties
);
1098 if (!NT_STATUS_IS_OK(result
)) {
1099 DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get password properties.\n"));
1102 if ((my_info3
->base
.rid
!= DOMAIN_USER_RID_ADMIN
) ||
1103 (password_properties
& DOMAIN_PASSWORD_LOCKOUT_ADMINS
)) {
1104 my_info3
->base
.acct_flags
|= ACB_AUTOLOCK
;
1109 result
= winbindd_update_creds_by_info3(domain
,
1111 state
->request
.data
.auth
.user
,
1115 if (!NT_STATUS_IS_OK(result
)) {
1116 DEBUG(0,("winbindd_dual_pam_auth_cached: failed to update creds %s\n",
1117 nt_errstr(result
)));
1120 return NT_STATUS_LOGON_FAILURE
;
1123 NTSTATUS
winbindd_dual_pam_auth_kerberos(struct winbindd_domain
*domain
,
1124 struct winbindd_cli_state
*state
,
1125 struct netr_SamInfo3
**info3
)
1127 struct winbindd_domain
*contact_domain
;
1128 fstring name_domain
, name_user
;
1131 DEBUG(10,("winbindd_dual_pam_auth_kerberos\n"));
1133 /* Parse domain and username */
1135 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
1137 /* what domain should we contact? */
1140 if (!(contact_domain
= find_domain_from_name(name_domain
))) {
1141 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
1142 state
->request
.data
.auth
.user
, name_domain
, name_user
, name_domain
));
1143 result
= NT_STATUS_NO_SUCH_USER
;
1148 if (is_myname(name_domain
)) {
1149 DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain
));
1150 result
= NT_STATUS_NO_SUCH_USER
;
1154 contact_domain
= find_domain_from_name(name_domain
);
1155 if (contact_domain
== NULL
) {
1156 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
1157 state
->request
.data
.auth
.user
, name_domain
, name_user
, name_domain
));
1159 contact_domain
= find_our_domain();
1163 if (contact_domain
->initialized
&&
1164 contact_domain
->active_directory
) {
1168 if (!contact_domain
->initialized
) {
1169 init_dc_connection(contact_domain
);
1172 if (!contact_domain
->active_directory
) {
1173 DEBUG(3,("krb5 auth requested but domain is not Active Directory\n"));
1174 return NT_STATUS_INVALID_LOGON_TYPE
;
1177 result
= winbindd_raw_kerberos_login(contact_domain
, state
, info3
);
1182 NTSTATUS
winbindd_dual_pam_auth_samlogon(struct winbindd_domain
*domain
,
1183 struct winbindd_cli_state
*state
,
1184 struct netr_SamInfo3
**info3
)
1187 struct rpc_pipe_client
*netlogon_pipe
;
1192 unsigned char local_lm_response
[24];
1193 unsigned char local_nt_response
[24];
1194 struct winbindd_domain
*contact_domain
;
1195 fstring name_domain
, name_user
;
1198 struct netr_SamInfo3
*my_info3
= NULL
;
1202 DEBUG(10,("winbindd_dual_pam_auth_samlogon\n"));
1204 /* Parse domain and username */
1206 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
1208 /* do password magic */
1211 generate_random_buffer(chal
, 8);
1212 if (lp_client_ntlmv2_auth()) {
1213 DATA_BLOB server_chal
;
1214 DATA_BLOB names_blob
;
1215 DATA_BLOB nt_response
;
1216 DATA_BLOB lm_response
;
1217 server_chal
= data_blob_talloc(state
->mem_ctx
, chal
, 8);
1219 /* note that the 'workgroup' here is a best guess - we don't know
1220 the server's domain at this point. The 'server name' is also
1223 names_blob
= NTLMv2_generate_names_blob(global_myname(), lp_workgroup());
1225 if (!SMBNTLMv2encrypt(name_user
, name_domain
,
1226 state
->request
.data
.auth
.pass
,
1229 &lm_response
, &nt_response
, NULL
)) {
1230 data_blob_free(&names_blob
);
1231 data_blob_free(&server_chal
);
1232 DEBUG(0, ("winbindd_pam_auth: SMBNTLMv2encrypt() failed!\n"));
1233 result
= NT_STATUS_NO_MEMORY
;
1236 data_blob_free(&names_blob
);
1237 data_blob_free(&server_chal
);
1238 lm_resp
= data_blob_talloc(state
->mem_ctx
, lm_response
.data
,
1239 lm_response
.length
);
1240 nt_resp
= data_blob_talloc(state
->mem_ctx
, nt_response
.data
,
1241 nt_response
.length
);
1242 data_blob_free(&lm_response
);
1243 data_blob_free(&nt_response
);
1246 if (lp_client_lanman_auth()
1247 && SMBencrypt(state
->request
.data
.auth
.pass
,
1249 local_lm_response
)) {
1250 lm_resp
= data_blob_talloc(state
->mem_ctx
,
1252 sizeof(local_lm_response
));
1254 lm_resp
= data_blob_null
;
1256 SMBNTencrypt(state
->request
.data
.auth
.pass
,
1260 nt_resp
= data_blob_talloc(state
->mem_ctx
,
1262 sizeof(local_nt_response
));
1265 /* what domain should we contact? */
1268 if (!(contact_domain
= find_domain_from_name(name_domain
))) {
1269 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
1270 state
->request
.data
.auth
.user
, name_domain
, name_user
, name_domain
));
1271 result
= NT_STATUS_NO_SUCH_USER
;
1276 if (is_myname(name_domain
)) {
1277 DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain
));
1278 result
= NT_STATUS_NO_SUCH_USER
;
1282 contact_domain
= find_our_domain();
1285 /* check authentication loop */
1288 NTSTATUS (*logon_fn
)(struct rpc_pipe_client
*cli
,
1289 TALLOC_CTX
*mem_ctx
,
1290 uint32 logon_parameters
,
1292 const char *username
,
1294 const char *workstation
,
1295 const uint8 chal
[8],
1296 DATA_BLOB lm_response
,
1297 DATA_BLOB nt_response
,
1298 struct netr_SamInfo3
**info3
);
1300 ZERO_STRUCTP(my_info3
);
1303 result
= cm_connect_netlogon(contact_domain
, &netlogon_pipe
);
1305 if (!NT_STATUS_IS_OK(result
)) {
1306 DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
1310 /* It is really important to try SamLogonEx here,
1311 * because in a clustered environment, we want to use
1312 * one machine account from multiple physical
1315 * With a normal SamLogon call, we must keep the
1316 * credentials chain updated and intact between all
1317 * users of the machine account (which would imply
1318 * cross-node communication for every NTLM logon).
1320 * (The credentials chain is not per NETLOGON pipe
1321 * connection, but globally on the server/client pair
1324 * When using SamLogonEx, the credentials are not
1325 * supplied, but the session key is implied by the
1326 * wrapping SamLogon context.
1328 * -- abartlet 21 April 2008
1331 logon_fn
= contact_domain
->can_do_samlogon_ex
1332 ? rpccli_netlogon_sam_network_logon_ex
1333 : rpccli_netlogon_sam_network_logon
;
1335 result
= logon_fn(netlogon_pipe
,
1338 contact_domain
->dcname
, /* server name */
1339 name_user
, /* user name */
1340 name_domain
, /* target domain */
1341 global_myname(), /* workstation */
1348 if ((NT_STATUS_V(result
) == DCERPC_FAULT_OP_RNG_ERROR
)
1349 && contact_domain
->can_do_samlogon_ex
) {
1350 DEBUG(3, ("Got a DC that can not do NetSamLogonEx, "
1351 "retrying with NetSamLogon\n"));
1352 contact_domain
->can_do_samlogon_ex
= False
;
1357 /* We have to try a second time as cm_connect_netlogon
1358 might not yet have noticed that the DC has killed
1361 if (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)) {
1366 /* if we get access denied, a possible cause was that we had
1367 and open connection to the DC, but someone changed our
1368 machine account password out from underneath us using 'net
1369 rpc changetrustpw' */
1371 if ( NT_STATUS_EQUAL(result
, NT_STATUS_ACCESS_DENIED
) ) {
1372 DEBUG(3,("winbindd_pam_auth: sam_logon returned "
1373 "ACCESS_DENIED. Maybe the trust account "
1374 "password was changed and we didn't know it. "
1375 "Killing connections to domain %s\n",
1377 invalidate_cm_connection(&contact_domain
->conn
);
1381 } while ( (attempts
< 2) && retry
);
1383 /* handle the case where a NT4 DC does not fill in the acct_flags in
1384 * the samlogon reply info3. When accurate info3 is required by the
1385 * caller, we look up the account flags ourselve - gd */
1387 if ((state
->request
.flags
& WBFLAG_PAM_INFO3_TEXT
) &&
1388 NT_STATUS_IS_OK(result
) && (my_info3
->base
.acct_flags
== 0)) {
1390 struct rpc_pipe_client
*samr_pipe
;
1391 POLICY_HND samr_domain_handle
, user_pol
;
1392 union samr_UserInfo
*info
= NULL
;
1393 NTSTATUS status_tmp
;
1396 status_tmp
= cm_connect_sam(contact_domain
, state
->mem_ctx
,
1397 &samr_pipe
, &samr_domain_handle
);
1399 if (!NT_STATUS_IS_OK(status_tmp
)) {
1400 DEBUG(3, ("could not open handle to SAMR pipe: %s\n",
1401 nt_errstr(status_tmp
)));
1405 status_tmp
= rpccli_samr_OpenUser(samr_pipe
, state
->mem_ctx
,
1406 &samr_domain_handle
,
1407 MAXIMUM_ALLOWED_ACCESS
,
1411 if (!NT_STATUS_IS_OK(status_tmp
)) {
1412 DEBUG(3, ("could not open user handle on SAMR pipe: %s\n",
1413 nt_errstr(status_tmp
)));
1417 status_tmp
= rpccli_samr_QueryUserInfo(samr_pipe
, state
->mem_ctx
,
1422 if (!NT_STATUS_IS_OK(status_tmp
)) {
1423 DEBUG(3, ("could not query user info on SAMR pipe: %s\n",
1424 nt_errstr(status_tmp
)));
1425 rpccli_samr_Close(samr_pipe
, state
->mem_ctx
, &user_pol
);
1429 acct_flags
= info
->info16
.acct_flags
;
1431 if (acct_flags
== 0) {
1432 rpccli_samr_Close(samr_pipe
, state
->mem_ctx
, &user_pol
);
1436 my_info3
->base
.acct_flags
= acct_flags
;
1438 DEBUG(10,("successfully retrieved acct_flags 0x%x\n", acct_flags
));
1440 rpccli_samr_Close(samr_pipe
, state
->mem_ctx
, &user_pol
);
1448 enum winbindd_result
winbindd_dual_pam_auth(struct winbindd_domain
*domain
,
1449 struct winbindd_cli_state
*state
)
1451 NTSTATUS result
= NT_STATUS_LOGON_FAILURE
;
1452 NTSTATUS krb5_result
= NT_STATUS_OK
;
1453 fstring name_domain
, name_user
;
1454 struct netr_SamInfo3
*info3
= NULL
;
1456 /* Ensure null termination */
1457 state
->request
.data
.auth
.user
[sizeof(state
->request
.data
.auth
.user
)-1]='\0';
1459 /* Ensure null termination */
1460 state
->request
.data
.auth
.pass
[sizeof(state
->request
.data
.auth
.pass
)-1]='\0';
1462 DEBUG(3, ("[%5lu]: dual pam auth %s\n", (unsigned long)state
->pid
,
1463 state
->request
.data
.auth
.user
));
1465 if (!check_request_flags(state
->request
.flags
)) {
1466 result
= NT_STATUS_INVALID_PARAMETER_MIX
;
1470 /* Parse domain and username */
1472 ws_name_return( state
->request
.data
.auth
.user
, WB_REPLACE_CHAR
);
1474 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
1476 if (domain
->online
== False
) {
1477 result
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1478 if (domain
->startup
) {
1479 /* Logons are very important to users. If we're offline and
1480 we get a request within the first 30 seconds of startup,
1481 try very hard to find a DC and go online. */
1483 DEBUG(10,("winbindd_dual_pam_auth: domain: %s offline and auth "
1484 "request in startup mode.\n", domain
->name
));
1486 winbindd_flush_negative_conn_cache(domain
);
1487 result
= init_dc_connection(domain
);
1491 DEBUG(10,("winbindd_dual_pam_auth: domain: %s last was %s\n", domain
->name
, domain
->online
? "online":"offline"));
1493 /* Check for Kerberos authentication */
1494 if (domain
->online
&& (state
->request
.flags
& WBFLAG_PAM_KRB5
)) {
1496 result
= winbindd_dual_pam_auth_kerberos(domain
, state
, &info3
);
1497 /* save for later */
1498 krb5_result
= result
;
1501 if (NT_STATUS_IS_OK(result
)) {
1502 DEBUG(10,("winbindd_dual_pam_auth_kerberos succeeded\n"));
1503 goto process_result
;
1505 DEBUG(10,("winbindd_dual_pam_auth_kerberos failed: %s\n", nt_errstr(result
)));
1508 if (NT_STATUS_EQUAL(result
, NT_STATUS_NO_LOGON_SERVERS
) ||
1509 NT_STATUS_EQUAL(result
, NT_STATUS_IO_TIMEOUT
) ||
1510 NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
)) {
1511 DEBUG(10,("winbindd_dual_pam_auth_kerberos setting domain to offline\n"));
1512 set_domain_offline( domain
);
1516 /* there are quite some NT_STATUS errors where there is no
1517 * point in retrying with a samlogon, we explictly have to take
1518 * care not to increase the bad logon counter on the DC */
1520 if (NT_STATUS_EQUAL(result
, NT_STATUS_ACCOUNT_DISABLED
) ||
1521 NT_STATUS_EQUAL(result
, NT_STATUS_ACCOUNT_EXPIRED
) ||
1522 NT_STATUS_EQUAL(result
, NT_STATUS_ACCOUNT_LOCKED_OUT
) ||
1523 NT_STATUS_EQUAL(result
, NT_STATUS_INVALID_LOGON_HOURS
) ||
1524 NT_STATUS_EQUAL(result
, NT_STATUS_INVALID_WORKSTATION
) ||
1525 NT_STATUS_EQUAL(result
, NT_STATUS_LOGON_FAILURE
) ||
1526 NT_STATUS_EQUAL(result
, NT_STATUS_NO_SUCH_USER
) ||
1527 NT_STATUS_EQUAL(result
, NT_STATUS_PASSWORD_EXPIRED
) ||
1528 NT_STATUS_EQUAL(result
, NT_STATUS_PASSWORD_MUST_CHANGE
) ||
1529 NT_STATUS_EQUAL(result
, NT_STATUS_WRONG_PASSWORD
)) {
1530 goto process_result
;
1533 if (state
->request
.flags
& WBFLAG_PAM_FALLBACK_AFTER_KRB5
) {
1534 DEBUG(3,("falling back to samlogon\n"));
1542 /* Check for Samlogon authentication */
1543 if (domain
->online
) {
1544 result
= winbindd_dual_pam_auth_samlogon(domain
, state
, &info3
);
1546 if (NT_STATUS_IS_OK(result
)) {
1547 DEBUG(10,("winbindd_dual_pam_auth_samlogon succeeded\n"));
1548 /* add the Krb5 err if we have one */
1549 if ( NT_STATUS_EQUAL(krb5_result
, NT_STATUS_TIME_DIFFERENCE_AT_DC
) ) {
1550 info3
->base
.user_flags
|= LOGON_KRB5_FAIL_CLOCK_SKEW
;
1552 goto process_result
;
1555 DEBUG(10,("winbindd_dual_pam_auth_samlogon failed: %s\n",
1556 nt_errstr(result
)));
1558 if (NT_STATUS_EQUAL(result
, NT_STATUS_NO_LOGON_SERVERS
) ||
1559 NT_STATUS_EQUAL(result
, NT_STATUS_IO_TIMEOUT
) ||
1560 NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
))
1562 DEBUG(10,("winbindd_dual_pam_auth_samlogon setting domain to offline\n"));
1563 set_domain_offline( domain
);
1567 if (domain
->online
) {
1568 /* We're still online - fail. */
1574 /* Check for Cached logons */
1575 if (!domain
->online
&& (state
->request
.flags
& WBFLAG_PAM_CACHED_LOGIN
) &&
1576 lp_winbind_offline_logon()) {
1578 result
= winbindd_dual_pam_auth_cached(domain
, state
, &info3
);
1580 if (NT_STATUS_IS_OK(result
)) {
1581 DEBUG(10,("winbindd_dual_pam_auth_cached succeeded\n"));
1582 goto process_result
;
1584 DEBUG(10,("winbindd_dual_pam_auth_cached failed: %s\n", nt_errstr(result
)));
1591 if (NT_STATUS_IS_OK(result
)) {
1595 /* In all codepaths where result == NT_STATUS_OK info3 must have
1596 been initialized. */
1598 result
= NT_STATUS_INTERNAL_ERROR
;
1602 wcache_invalidate_samlogon(find_domain_from_name(name_domain
), info3
);
1603 netsamlogon_cache_store(name_user
, info3
);
1605 /* save name_to_sid info as early as possible (only if
1606 this is our primary domain so we don't invalidate
1607 the cache entry by storing the seq_num for the wrong
1609 if ( domain
->primary
) {
1610 sid_compose(&user_sid
, info3
->base
.domain_sid
,
1612 cache_name2sid(domain
, name_domain
, name_user
,
1613 SID_NAME_USER
, &user_sid
);
1616 /* Check if the user is in the right group */
1618 if (!NT_STATUS_IS_OK(result
= check_info3_in_group(state
->mem_ctx
, info3
,
1619 state
->request
.data
.auth
.require_membership_of_sid
))) {
1620 DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
1621 state
->request
.data
.auth
.user
,
1622 state
->request
.data
.auth
.require_membership_of_sid
));
1626 result
= append_data(state
, info3
, name_domain
, name_user
);
1627 if (!NT_STATUS_IS_OK(result
)) {
1631 if ((state
->request
.flags
& WBFLAG_PAM_CACHED_LOGIN
)) {
1633 /* Store in-memory creds for single-signon using ntlm_auth. */
1634 result
= winbindd_add_memory_creds(state
->request
.data
.auth
.user
,
1635 get_uid_from_state(state
),
1636 state
->request
.data
.auth
.pass
);
1638 if (!NT_STATUS_IS_OK(result
)) {
1639 DEBUG(10,("Failed to store memory creds: %s\n", nt_errstr(result
)));
1643 if (lp_winbind_offline_logon()) {
1644 result
= winbindd_store_creds(domain
,
1646 state
->request
.data
.auth
.user
,
1647 state
->request
.data
.auth
.pass
,
1649 if (!NT_STATUS_IS_OK(result
)) {
1651 /* Release refcount. */
1652 winbindd_delete_memory_creds(state
->request
.data
.auth
.user
);
1654 DEBUG(10,("Failed to store creds: %s\n", nt_errstr(result
)));
1661 if (state
->request
.flags
& WBFLAG_PAM_GET_PWD_POLICY
) {
1662 struct winbindd_domain
*our_domain
= find_our_domain();
1664 /* This is not entirely correct I believe, but it is
1665 consistent. Only apply the password policy settings
1666 too warn users for our own domain. Cannot obtain these
1667 from trusted DCs all the time so don't do it at all.
1670 result
= NT_STATUS_NOT_SUPPORTED
;
1671 if (our_domain
== domain
) {
1672 result
= fillup_password_policy(our_domain
, state
);
1675 if (!NT_STATUS_IS_OK(result
)
1676 && !NT_STATUS_EQUAL(result
, NT_STATUS_NOT_SUPPORTED
) )
1678 DEBUG(10,("Failed to get password policies for domain %s: %s\n",
1679 domain
->name
, nt_errstr(result
)));
1684 result
= NT_STATUS_OK
;
1688 /* give us a more useful (more correct?) error code */
1689 if ((NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
) ||
1690 (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)))) {
1691 result
= NT_STATUS_NO_LOGON_SERVERS
;
1694 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
1695 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
1697 /* we might have given a more useful error above */
1698 if (!*state
->response
.data
.auth
.error_string
)
1699 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
1700 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
1702 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2, ("Plain-text authentication for user %s returned %s (PAM: %d)\n",
1703 state
->request
.data
.auth
.user
,
1704 state
->response
.data
.auth
.nt_status_string
,
1705 state
->response
.data
.auth
.pam_error
));
1707 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
1711 /**********************************************************************
1712 Challenge Response Authentication Protocol
1713 **********************************************************************/
1715 void winbindd_pam_auth_crap(struct winbindd_cli_state
*state
)
1717 struct winbindd_domain
*domain
= NULL
;
1718 const char *domain_name
= NULL
;
1721 if (!check_request_flags(state
->request
.flags
)) {
1722 result
= NT_STATUS_INVALID_PARAMETER_MIX
;
1726 if (!state
->privileged
) {
1727 char *error_string
= NULL
;
1728 DEBUG(2, ("winbindd_pam_auth_crap: non-privileged access "
1730 DEBUGADD(2, ("winbindd_pam_auth_crap: Ensure permissions "
1731 "on %s are set correctly.\n",
1732 get_winbind_priv_pipe_dir()));
1733 /* send a better message than ACCESS_DENIED */
1734 error_string
= talloc_asprintf(state
->mem_ctx
,
1735 "winbind client not authorized "
1736 "to use winbindd_pam_auth_crap."
1737 " Ensure permissions on %s "
1738 "are set correctly.",
1739 get_winbind_priv_pipe_dir());
1740 fstrcpy(state
->response
.data
.auth
.error_string
, error_string
);
1741 result
= NT_STATUS_ACCESS_DENIED
;
1745 /* Ensure null termination */
1746 state
->request
.data
.auth_crap
.user
1747 [sizeof(state
->request
.data
.auth_crap
.user
)-1]=0;
1748 state
->request
.data
.auth_crap
.domain
1749 [sizeof(state
->request
.data
.auth_crap
.domain
)-1]=0;
1751 DEBUG(3, ("[%5lu]: pam auth crap domain: [%s] user: %s\n",
1752 (unsigned long)state
->pid
,
1753 state
->request
.data
.auth_crap
.domain
,
1754 state
->request
.data
.auth_crap
.user
));
1756 if (*state
->request
.data
.auth_crap
.domain
!= '\0') {
1757 domain_name
= state
->request
.data
.auth_crap
.domain
;
1758 } else if (lp_winbind_use_default_domain()) {
1759 domain_name
= lp_workgroup();
1762 if (domain_name
!= NULL
)
1763 domain
= find_auth_domain(state
, domain_name
);
1765 if (domain
!= NULL
) {
1766 sendto_domain(state
, domain
);
1770 result
= NT_STATUS_NO_SUCH_USER
;
1773 set_auth_errors(&state
->response
, result
);
1774 DEBUG(5, ("CRAP authentication for %s\\%s returned %s (PAM: %d)\n",
1775 state
->request
.data
.auth_crap
.domain
,
1776 state
->request
.data
.auth_crap
.user
,
1777 state
->response
.data
.auth
.nt_status_string
,
1778 state
->response
.data
.auth
.pam_error
));
1779 request_error(state
);
1784 enum winbindd_result
winbindd_dual_pam_auth_crap(struct winbindd_domain
*domain
,
1785 struct winbindd_cli_state
*state
)
1788 struct netr_SamInfo3
*info3
= NULL
;
1789 struct rpc_pipe_client
*netlogon_pipe
;
1790 const char *name_user
= NULL
;
1791 const char *name_domain
= NULL
;
1792 const char *workstation
;
1793 struct winbindd_domain
*contact_domain
;
1797 DATA_BLOB lm_resp
, nt_resp
;
1799 /* This is child-only, so no check for privileged access is needed
1802 /* Ensure null termination */
1803 state
->request
.data
.auth_crap
.user
[sizeof(state
->request
.data
.auth_crap
.user
)-1]=0;
1804 state
->request
.data
.auth_crap
.domain
[sizeof(state
->request
.data
.auth_crap
.domain
)-1]=0;
1806 if (!check_request_flags(state
->request
.flags
)) {
1807 result
= NT_STATUS_INVALID_PARAMETER_MIX
;
1811 name_user
= state
->request
.data
.auth_crap
.user
;
1813 if (*state
->request
.data
.auth_crap
.domain
) {
1814 name_domain
= state
->request
.data
.auth_crap
.domain
;
1815 } else if (lp_winbind_use_default_domain()) {
1816 name_domain
= lp_workgroup();
1818 DEBUG(5,("no domain specified with username (%s) - failing auth\n",
1820 result
= NT_STATUS_NO_SUCH_USER
;
1824 DEBUG(3, ("[%5lu]: pam auth crap domain: %s user: %s\n", (unsigned long)state
->pid
,
1825 name_domain
, name_user
));
1827 if (*state
->request
.data
.auth_crap
.workstation
) {
1828 workstation
= state
->request
.data
.auth_crap
.workstation
;
1830 workstation
= global_myname();
1833 if (state
->request
.data
.auth_crap
.lm_resp_len
> sizeof(state
->request
.data
.auth_crap
.lm_resp
)
1834 || state
->request
.data
.auth_crap
.nt_resp_len
> sizeof(state
->request
.data
.auth_crap
.nt_resp
)) {
1835 if (!state
->request
.flags
& WBFLAG_BIG_NTLMV2_BLOB
||
1836 state
->request
.extra_len
!= state
->request
.data
.auth_crap
.nt_resp_len
) {
1837 DEBUG(0, ("winbindd_pam_auth_crap: invalid password length %u/%u\n",
1838 state
->request
.data
.auth_crap
.lm_resp_len
,
1839 state
->request
.data
.auth_crap
.nt_resp_len
));
1840 result
= NT_STATUS_INVALID_PARAMETER
;
1845 lm_resp
= data_blob_talloc(state
->mem_ctx
, state
->request
.data
.auth_crap
.lm_resp
,
1846 state
->request
.data
.auth_crap
.lm_resp_len
);
1848 if (state
->request
.flags
& WBFLAG_BIG_NTLMV2_BLOB
) {
1849 nt_resp
= data_blob_talloc(state
->mem_ctx
,
1850 state
->request
.extra_data
.data
,
1851 state
->request
.data
.auth_crap
.nt_resp_len
);
1853 nt_resp
= data_blob_talloc(state
->mem_ctx
,
1854 state
->request
.data
.auth_crap
.nt_resp
,
1855 state
->request
.data
.auth_crap
.nt_resp_len
);
1858 /* what domain should we contact? */
1861 if (!(contact_domain
= find_domain_from_name(name_domain
))) {
1862 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
1863 state
->request
.data
.auth_crap
.user
, name_domain
, name_user
, name_domain
));
1864 result
= NT_STATUS_NO_SUCH_USER
;
1868 if (is_myname(name_domain
)) {
1869 DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain
));
1870 result
= NT_STATUS_NO_SUCH_USER
;
1873 contact_domain
= find_our_domain();
1877 NTSTATUS (*logon_fn
)(struct rpc_pipe_client
*cli
,
1878 TALLOC_CTX
*mem_ctx
,
1879 uint32 logon_parameters
,
1881 const char *username
,
1883 const char *workstation
,
1884 const uint8 chal
[8],
1885 DATA_BLOB lm_response
,
1886 DATA_BLOB nt_response
,
1887 struct netr_SamInfo3
**info3
);
1891 netlogon_pipe
= NULL
;
1892 result
= cm_connect_netlogon(contact_domain
, &netlogon_pipe
);
1894 if (!NT_STATUS_IS_OK(result
)) {
1895 DEBUG(3, ("could not open handle to NETLOGON pipe (error: %s)\n",
1896 nt_errstr(result
)));
1900 logon_fn
= contact_domain
->can_do_samlogon_ex
1901 ? rpccli_netlogon_sam_network_logon_ex
1902 : rpccli_netlogon_sam_network_logon
;
1904 result
= logon_fn(netlogon_pipe
,
1906 state
->request
.data
.auth_crap
.logon_parameters
,
1907 contact_domain
->dcname
,
1910 /* Bug #3248 - found by Stefan Burkei. */
1911 workstation
, /* We carefully set this above so use it... */
1912 state
->request
.data
.auth_crap
.chal
,
1917 if ((NT_STATUS_V(result
) == DCERPC_FAULT_OP_RNG_ERROR
)
1918 && contact_domain
->can_do_samlogon_ex
) {
1919 DEBUG(3, ("Got a DC that can not do NetSamLogonEx, "
1920 "retrying with NetSamLogon\n"));
1921 contact_domain
->can_do_samlogon_ex
= False
;
1928 /* We have to try a second time as cm_connect_netlogon
1929 might not yet have noticed that the DC has killed
1932 if (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)) {
1937 /* if we get access denied, a possible cause was that we had and open
1938 connection to the DC, but someone changed our machine account password
1939 out from underneath us using 'net rpc changetrustpw' */
1941 if ( NT_STATUS_EQUAL(result
, NT_STATUS_ACCESS_DENIED
) ) {
1942 DEBUG(3,("winbindd_pam_auth: sam_logon returned "
1943 "ACCESS_DENIED. Maybe the trust account "
1944 "password was changed and we didn't know it. "
1945 "Killing connections to domain %s\n",
1947 invalidate_cm_connection(&contact_domain
->conn
);
1951 } while ( (attempts
< 2) && retry
);
1953 if (NT_STATUS_IS_OK(result
)) {
1955 wcache_invalidate_samlogon(find_domain_from_name(name_domain
), info3
);
1956 netsamlogon_cache_store(name_user
, info3
);
1958 /* Check if the user is in the right group */
1960 if (!NT_STATUS_IS_OK(result
= check_info3_in_group(state
->mem_ctx
, info3
,
1961 state
->request
.data
.auth_crap
.require_membership_of_sid
))) {
1962 DEBUG(3, ("User %s is not in the required group (%s), so "
1963 "crap authentication is rejected\n",
1964 state
->request
.data
.auth_crap
.user
,
1965 state
->request
.data
.auth_crap
.require_membership_of_sid
));
1969 result
= append_data(state
, info3
, name_domain
, name_user
);
1970 if (!NT_STATUS_IS_OK(result
)) {
1977 /* give us a more useful (more correct?) error code */
1978 if ((NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
) ||
1979 (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)))) {
1980 result
= NT_STATUS_NO_LOGON_SERVERS
;
1983 if (state
->request
.flags
& WBFLAG_PAM_NT_STATUS_SQUASH
) {
1984 result
= nt_status_squash(result
);
1987 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
1988 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
1990 /* we might have given a more useful error above */
1991 if (!*state
->response
.data
.auth
.error_string
) {
1992 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
1994 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
1996 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2,
1997 ("NTLM CRAP authentication for user [%s]\\[%s] returned %s (PAM: %d)\n",
2000 state
->response
.data
.auth
.nt_status_string
,
2001 state
->response
.data
.auth
.pam_error
));
2003 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
2006 /* Change a user password */
2008 void winbindd_pam_chauthtok(struct winbindd_cli_state
*state
)
2010 fstring domain
, user
;
2011 struct winbindd_domain
*contact_domain
;
2013 DEBUG(3, ("[%5lu]: pam chauthtok %s\n", (unsigned long)state
->pid
,
2014 state
->request
.data
.chauthtok
.user
));
2018 ws_name_return( state
->request
.data
.auth
.user
, WB_REPLACE_CHAR
);
2020 if (!canonicalize_username(state
->request
.data
.chauthtok
.user
, domain
, user
)) {
2021 set_auth_errors(&state
->response
, NT_STATUS_NO_SUCH_USER
);
2022 DEBUG(5, ("winbindd_pam_chauthtok: canonicalize_username %s failed with %s"
2024 state
->request
.data
.auth
.user
,
2025 state
->response
.data
.auth
.nt_status_string
,
2026 state
->response
.data
.auth
.pam_error
));
2027 request_error(state
);
2031 contact_domain
= find_domain_from_name(domain
);
2032 if (!contact_domain
) {
2033 set_auth_errors(&state
->response
, NT_STATUS_NO_SUCH_USER
);
2034 DEBUG(3, ("Cannot change password for [%s] -> [%s]\\[%s] as %s is not a trusted domain\n",
2035 state
->request
.data
.chauthtok
.user
, domain
, user
, domain
));
2036 request_error(state
);
2040 sendto_domain(state
, contact_domain
);
2043 enum winbindd_result
winbindd_dual_pam_chauthtok(struct winbindd_domain
*contact_domain
,
2044 struct winbindd_cli_state
*state
)
2047 char *newpass
= NULL
;
2049 struct rpc_pipe_client
*cli
;
2050 bool got_info
= False
;
2051 struct samr_DomInfo1
*info
= NULL
;
2052 struct samr_ChangeReject
*reject
= NULL
;
2053 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
2054 fstring domain
, user
;
2056 DEBUG(3, ("[%5lu]: dual pam chauthtok %s\n", (unsigned long)state
->pid
,
2057 state
->request
.data
.auth
.user
));
2059 if (!parse_domain_user(state
->request
.data
.chauthtok
.user
, domain
, user
)) {
2063 /* Change password */
2065 oldpass
= state
->request
.data
.chauthtok
.oldpass
;
2066 newpass
= state
->request
.data
.chauthtok
.newpass
;
2068 /* Initialize reject reason */
2069 state
->response
.data
.auth
.reject_reason
= Undefined
;
2071 /* Get sam handle */
2073 result
= cm_connect_sam(contact_domain
, state
->mem_ctx
, &cli
,
2075 if (!NT_STATUS_IS_OK(result
)) {
2076 DEBUG(1, ("could not get SAM handle on DC for %s\n", domain
));
2080 result
= rpccli_samr_chgpasswd3(cli
, state
->mem_ctx
,
2087 /* Windows 2003 returns NT_STATUS_PASSWORD_RESTRICTION */
2089 if (NT_STATUS_EQUAL(result
, NT_STATUS_PASSWORD_RESTRICTION
) ) {
2090 state
->response
.data
.auth
.policy
.min_length_password
=
2091 info
->min_password_length
;
2092 state
->response
.data
.auth
.policy
.password_history
=
2093 info
->password_history_length
;
2094 state
->response
.data
.auth
.policy
.password_properties
=
2095 info
->password_properties
;
2096 state
->response
.data
.auth
.policy
.expire
=
2097 nt_time_to_unix_abs((NTTIME
*)&info
->max_password_age
);
2098 state
->response
.data
.auth
.policy
.min_passwordage
=
2099 nt_time_to_unix_abs((NTTIME
*)&info
->min_password_age
);
2101 state
->response
.data
.auth
.reject_reason
=
2107 /* only fallback when the chgpasswd3 call is not supported */
2108 if ((NT_STATUS_EQUAL(result
, NT_STATUS(DCERPC_FAULT_OP_RNG_ERROR
))) ||
2109 (NT_STATUS_EQUAL(result
, NT_STATUS_NOT_SUPPORTED
)) ||
2110 (NT_STATUS_EQUAL(result
, NT_STATUS_NOT_IMPLEMENTED
))) {
2112 DEBUG(10,("Password change with chgpasswd3 failed with: %s, retrying chgpasswd_user\n",
2113 nt_errstr(result
)));
2115 result
= rpccli_samr_chgpasswd_user(cli
, state
->mem_ctx
, user
, newpass
, oldpass
);
2117 /* Windows 2000 returns NT_STATUS_ACCOUNT_RESTRICTION.
2118 Map to the same status code as Windows 2003. */
2120 if ( NT_STATUS_EQUAL(NT_STATUS_ACCOUNT_RESTRICTION
, result
) ) {
2121 result
= NT_STATUS_PASSWORD_RESTRICTION
;
2127 if (NT_STATUS_IS_OK(result
) && (state
->request
.flags
& WBFLAG_PAM_CACHED_LOGIN
)) {
2129 /* Update the single sign-on memory creds. */
2130 result
= winbindd_replace_memory_creds(state
->request
.data
.chauthtok
.user
,
2133 /* When we login from gdm or xdm and password expires,
2134 * we change password, but there are no memory crendentials
2135 * So, winbindd_replace_memory_creds() returns
2136 * NT_STATUS_OBJECT_NAME_NOT_FOUND. This is not a failure.
2139 if (NT_STATUS_EQUAL(result
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
2140 result
= NT_STATUS_OK
;
2143 if (!NT_STATUS_IS_OK(result
)) {
2144 DEBUG(10,("Failed to replace memory creds: %s\n", nt_errstr(result
)));
2145 goto process_result
;
2148 if (lp_winbind_offline_logon()) {
2149 result
= winbindd_update_creds_by_name(contact_domain
,
2150 state
->mem_ctx
, user
,
2152 /* Again, this happens when we login from gdm or xdm
2153 * and the password expires, *BUT* cached crendentials
2154 * doesn't exist. winbindd_update_creds_by_name()
2155 * returns NT_STATUS_NO_SUCH_USER.
2156 * This is not a failure.
2159 if (NT_STATUS_EQUAL(result
, NT_STATUS_NO_SUCH_USER
)) {
2160 result
= NT_STATUS_OK
;
2163 if (!NT_STATUS_IS_OK(result
)) {
2164 DEBUG(10,("Failed to store creds: %s\n", nt_errstr(result
)));
2165 goto process_result
;
2170 if (!NT_STATUS_IS_OK(result
) && !got_info
&& contact_domain
) {
2172 NTSTATUS policy_ret
;
2174 policy_ret
= fillup_password_policy(contact_domain
, state
);
2176 /* failure of this is non critical, it will just provide no
2177 * additional information to the client why the change has
2178 * failed - Guenther */
2180 if (!NT_STATUS_IS_OK(policy_ret
)) {
2181 DEBUG(10,("Failed to get password policies: %s\n", nt_errstr(policy_ret
)));
2182 goto process_result
;
2188 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
2189 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
2190 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
2191 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
2193 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2,
2194 ("Password change for user [%s]\\[%s] returned %s (PAM: %d)\n",
2197 state
->response
.data
.auth
.nt_status_string
,
2198 state
->response
.data
.auth
.pam_error
));
2200 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
2203 void winbindd_pam_logoff(struct winbindd_cli_state
*state
)
2205 struct winbindd_domain
*domain
;
2206 fstring name_domain
, user
;
2207 uid_t caller_uid
= (uid_t
)-1;
2208 uid_t request_uid
= state
->request
.data
.logoff
.uid
;
2210 DEBUG(3, ("[%5lu]: pam logoff %s\n", (unsigned long)state
->pid
,
2211 state
->request
.data
.logoff
.user
));
2213 /* Ensure null termination */
2214 state
->request
.data
.logoff
.user
2215 [sizeof(state
->request
.data
.logoff
.user
)-1]='\0';
2217 state
->request
.data
.logoff
.krb5ccname
2218 [sizeof(state
->request
.data
.logoff
.krb5ccname
)-1]='\0';
2220 if (request_uid
== (gid_t
)-1) {
2224 if (!canonicalize_username(state
->request
.data
.logoff
.user
, name_domain
, user
)) {
2228 if ((domain
= find_auth_domain(state
, name_domain
)) == NULL
) {
2232 if ((sys_getpeereid(state
->sock
, &caller_uid
)) != 0) {
2233 DEBUG(1,("winbindd_pam_logoff: failed to check peerid: %s\n",
2238 switch (caller_uid
) {
2242 /* root must be able to logoff any user - gd */
2243 state
->request
.data
.logoff
.uid
= request_uid
;
2246 if (caller_uid
!= request_uid
) {
2247 DEBUG(1,("winbindd_pam_logoff: caller requested invalid uid\n"));
2250 state
->request
.data
.logoff
.uid
= caller_uid
;
2254 sendto_domain(state
, domain
);
2258 set_auth_errors(&state
->response
, NT_STATUS_NO_SUCH_USER
);
2259 DEBUG(5, ("Pam Logoff for %s returned %s "
2261 state
->request
.data
.logoff
.user
,
2262 state
->response
.data
.auth
.nt_status_string
,
2263 state
->response
.data
.auth
.pam_error
));
2264 request_error(state
);
2268 enum winbindd_result
winbindd_dual_pam_logoff(struct winbindd_domain
*domain
,
2269 struct winbindd_cli_state
*state
)
2271 NTSTATUS result
= NT_STATUS_NOT_SUPPORTED
;
2273 DEBUG(3, ("[%5lu]: pam dual logoff %s\n", (unsigned long)state
->pid
,
2274 state
->request
.data
.logoff
.user
));
2276 if (!(state
->request
.flags
& WBFLAG_PAM_KRB5
)) {
2277 result
= NT_STATUS_OK
;
2278 goto process_result
;
2281 if (state
->request
.data
.logoff
.krb5ccname
[0] == '\0') {
2282 result
= NT_STATUS_OK
;
2283 goto process_result
;
2288 if (state
->request
.data
.logoff
.uid
< 0) {
2289 DEBUG(0,("winbindd_pam_logoff: invalid uid\n"));
2290 goto process_result
;
2293 /* what we need here is to find the corresponding krb5 ccache name *we*
2294 * created for a given username and destroy it */
2296 if (!ccache_entry_exists(state
->request
.data
.logoff
.user
)) {
2297 result
= NT_STATUS_OK
;
2298 DEBUG(10,("winbindd_pam_logoff: no entry found.\n"));
2299 goto process_result
;
2302 if (!ccache_entry_identical(state
->request
.data
.logoff
.user
,
2303 state
->request
.data
.logoff
.uid
,
2304 state
->request
.data
.logoff
.krb5ccname
)) {
2305 DEBUG(0,("winbindd_pam_logoff: cached entry differs.\n"));
2306 goto process_result
;
2309 result
= remove_ccache(state
->request
.data
.logoff
.user
);
2310 if (!NT_STATUS_IS_OK(result
)) {
2311 DEBUG(0,("winbindd_pam_logoff: failed to remove ccache: %s\n",
2312 nt_errstr(result
)));
2313 goto process_result
;
2317 result
= NT_STATUS_NOT_SUPPORTED
;
2322 winbindd_delete_memory_creds(state
->request
.data
.logoff
.user
);
2324 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
2325 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
2326 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
2327 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
2329 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
2332 /* Change user password with auth crap*/
2334 void winbindd_pam_chng_pswd_auth_crap(struct winbindd_cli_state
*state
)
2336 struct winbindd_domain
*domain
= NULL
;
2337 const char *domain_name
= NULL
;
2339 /* Ensure null termination */
2340 state
->request
.data
.chng_pswd_auth_crap
.user
[
2341 sizeof(state
->request
.data
.chng_pswd_auth_crap
.user
)-1]=0;
2342 state
->request
.data
.chng_pswd_auth_crap
.domain
[
2343 sizeof(state
->request
.data
.chng_pswd_auth_crap
.domain
)-1]=0;
2345 DEBUG(3, ("[%5lu]: pam change pswd auth crap domain: %s user: %s\n",
2346 (unsigned long)state
->pid
,
2347 state
->request
.data
.chng_pswd_auth_crap
.domain
,
2348 state
->request
.data
.chng_pswd_auth_crap
.user
));
2350 if (*state
->request
.data
.chng_pswd_auth_crap
.domain
!= '\0') {
2351 domain_name
= state
->request
.data
.chng_pswd_auth_crap
.domain
;
2352 } else if (lp_winbind_use_default_domain()) {
2353 domain_name
= lp_workgroup();
2356 if (domain_name
!= NULL
)
2357 domain
= find_domain_from_name(domain_name
);
2359 if (domain
!= NULL
) {
2360 DEBUG(7, ("[%5lu]: pam auth crap changing pswd in domain: "
2361 "%s\n", (unsigned long)state
->pid
,domain
->name
));
2362 sendto_domain(state
, domain
);
2366 set_auth_errors(&state
->response
, NT_STATUS_NO_SUCH_USER
);
2367 DEBUG(5, ("CRAP change password for %s\\%s returned %s (PAM: %d)\n",
2368 state
->request
.data
.chng_pswd_auth_crap
.domain
,
2369 state
->request
.data
.chng_pswd_auth_crap
.user
,
2370 state
->response
.data
.auth
.nt_status_string
,
2371 state
->response
.data
.auth
.pam_error
));
2372 request_error(state
);
2376 enum winbindd_result
winbindd_dual_pam_chng_pswd_auth_crap(struct winbindd_domain
*domainSt
, struct winbindd_cli_state
*state
)
2379 DATA_BLOB new_nt_password
;
2380 DATA_BLOB old_nt_hash_enc
;
2381 DATA_BLOB new_lm_password
;
2382 DATA_BLOB old_lm_hash_enc
;
2383 fstring domain
,user
;
2385 struct winbindd_domain
*contact_domain
= domainSt
;
2386 struct rpc_pipe_client
*cli
;
2388 /* Ensure null termination */
2389 state
->request
.data
.chng_pswd_auth_crap
.user
[
2390 sizeof(state
->request
.data
.chng_pswd_auth_crap
.user
)-1]=0;
2391 state
->request
.data
.chng_pswd_auth_crap
.domain
[
2392 sizeof(state
->request
.data
.chng_pswd_auth_crap
.domain
)-1]=0;
2396 DEBUG(3, ("[%5lu]: pam change pswd auth crap domain: %s user: %s\n",
2397 (unsigned long)state
->pid
,
2398 state
->request
.data
.chng_pswd_auth_crap
.domain
,
2399 state
->request
.data
.chng_pswd_auth_crap
.user
));
2401 if (lp_winbind_offline_logon()) {
2402 DEBUG(0,("Refusing password change as winbind offline logons are enabled. "));
2403 DEBUGADD(0,("Changing passwords here would risk inconsistent logons\n"));
2404 result
= NT_STATUS_ACCESS_DENIED
;
2408 if (*state
->request
.data
.chng_pswd_auth_crap
.domain
) {
2409 fstrcpy(domain
,state
->request
.data
.chng_pswd_auth_crap
.domain
);
2411 parse_domain_user(state
->request
.data
.chng_pswd_auth_crap
.user
,
2415 DEBUG(3,("no domain specified with username (%s) - "
2417 state
->request
.data
.chng_pswd_auth_crap
.user
));
2418 result
= NT_STATUS_NO_SUCH_USER
;
2423 if (!*domain
&& lp_winbind_use_default_domain()) {
2424 fstrcpy(domain
,(char *)lp_workgroup());
2428 fstrcpy(user
, state
->request
.data
.chng_pswd_auth_crap
.user
);
2431 DEBUG(3, ("[%5lu]: pam auth crap domain: %s user: %s\n",
2432 (unsigned long)state
->pid
, domain
, user
));
2434 /* Change password */
2435 new_nt_password
= data_blob_talloc(
2437 state
->request
.data
.chng_pswd_auth_crap
.new_nt_pswd
,
2438 state
->request
.data
.chng_pswd_auth_crap
.new_nt_pswd_len
);
2440 old_nt_hash_enc
= data_blob_talloc(
2442 state
->request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc
,
2443 state
->request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc_len
);
2445 if(state
->request
.data
.chng_pswd_auth_crap
.new_lm_pswd_len
> 0) {
2446 new_lm_password
= data_blob_talloc(
2448 state
->request
.data
.chng_pswd_auth_crap
.new_lm_pswd
,
2449 state
->request
.data
.chng_pswd_auth_crap
.new_lm_pswd_len
);
2451 old_lm_hash_enc
= data_blob_talloc(
2453 state
->request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc
,
2454 state
->request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc_len
);
2456 new_lm_password
.length
= 0;
2457 old_lm_hash_enc
.length
= 0;
2460 /* Get sam handle */
2462 result
= cm_connect_sam(contact_domain
, state
->mem_ctx
, &cli
, &dom_pol
);
2463 if (!NT_STATUS_IS_OK(result
)) {
2464 DEBUG(1, ("could not get SAM handle on DC for %s\n", domain
));
2468 result
= rpccli_samr_chng_pswd_auth_crap(
2469 cli
, state
->mem_ctx
, user
, new_nt_password
, old_nt_hash_enc
,
2470 new_lm_password
, old_lm_hash_enc
);
2473 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
2474 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
2475 fstrcpy(state
->response
.data
.auth
.error_string
,
2476 get_friendly_nt_error_msg(result
));
2477 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
2479 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2,
2480 ("Password change for user [%s]\\[%s] returned %s (PAM: %d)\n",
2482 state
->response
.data
.auth
.nt_status_string
,
2483 state
->response
.data
.auth
.pam_error
));
2485 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;