2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1992-2001
5 Copyright (C) John H Terpsta 1999-2001
6 Copyright (C) Andrew Bartlett 2001
7 Copyright (C) Jeremy Allison 2001
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 * This module provides PAM based functions for validation of
26 * username/password pairs, account managment, session and access control.
27 * Note: SMB password checking is done in smbpass.c
33 #define DBGC_CLASS DBGC_AUTH
37 /*******************************************************************
38 * Handle PAM authentication
39 * - Access, Authentication, Session, Password
40 * Note: See PAM Documentation and refer to local system PAM implementation
41 * which determines what actions/limitations/allowances become affected.
42 *********************************************************************/
44 #if defined(HAVE_SECURITY_PAM_APPL_H)
45 #include <security/pam_appl.h>
46 #elif defined(HAVE_PAM_PAM_APPL_H)
47 #include <pam/pam_appl.h>
51 * Structure used to communicate between the conversation function
52 * and the server_login/change password functions.
55 struct smb_pam_userdata
{
56 const char *PAM_username
;
57 const char *PAM_password
;
58 const char *PAM_newpassword
;
61 typedef int (*smb_pam_conv_fn
)(int, const struct pam_message
**, struct pam_response
**, void *appdata_ptr
);
64 * Macros to help make life easy
66 #define COPY_STRING(s) (s) ? SMB_STRDUP(s) : NULL
68 /*******************************************************************
70 *********************************************************************/
72 static BOOL
smb_pam_error_handler(pam_handle_t
*pamh
, int pam_error
, const char *msg
, int dbglvl
)
75 if( pam_error
!= PAM_SUCCESS
) {
76 DEBUG(dbglvl
, ("smb_pam_error_handler: PAM: %s : %s\n",
77 msg
, pam_strerror(pamh
, pam_error
)));
84 /*******************************************************************
85 This function is a sanity check, to make sure that we NEVER report
87 *********************************************************************/
89 static BOOL
smb_pam_nt_status_error_handler(pam_handle_t
*pamh
, int pam_error
,
90 const char *msg
, int dbglvl
,
93 *nt_status
= pam_to_nt_status(pam_error
);
95 if (smb_pam_error_handler(pamh
, pam_error
, msg
, dbglvl
))
98 if (NT_STATUS_IS_OK(*nt_status
)) {
100 DEBUG(0, ("smb_pam_nt_status_error_handler: PAM: BUG: PAM and NT_STATUS \
101 error MISMATCH, forcing to NT_STATUS_LOGON_FAILURE"));
102 *nt_status
= NT_STATUS_LOGON_FAILURE
;
108 * PAM conversation function
109 * Here we assume (for now, at least) that echo on means login name, and
110 * echo off means password.
113 static int smb_pam_conv(int num_msg
,
114 const struct pam_message
**msg
,
115 struct pam_response
**resp
,
119 struct pam_response
*reply
= NULL
;
120 struct smb_pam_userdata
*udp
= (struct smb_pam_userdata
*)appdata_ptr
;
128 * Apparantly HPUX has a buggy PAM that doesn't support the
129 * appdata_ptr. Fail if this is the case. JRA.
133 DEBUG(0,("smb_pam_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
137 reply
= SMB_MALLOC_ARRAY(struct pam_response
, num_msg
);
141 memset(reply
, '\0', sizeof(struct pam_response
) * num_msg
);
143 for (replies
= 0; replies
< num_msg
; replies
++) {
144 switch (msg
[replies
]->msg_style
) {
145 case PAM_PROMPT_ECHO_ON
:
146 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
147 reply
[replies
].resp
= COPY_STRING(udp
->PAM_username
);
151 case PAM_PROMPT_ECHO_OFF
:
152 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
153 reply
[replies
].resp
= COPY_STRING(udp
->PAM_password
);
162 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
163 reply
[replies
].resp
= NULL
;
167 /* Must be an error of some sort... */
178 * PAM password change conversation function
179 * Here we assume (for now, at least) that echo on means login name, and
180 * echo off means password.
183 static void special_char_sub(char *buf
)
185 all_string_sub(buf
, "\\n", "", 0);
186 all_string_sub(buf
, "\\r", "", 0);
187 all_string_sub(buf
, "\\s", " ", 0);
188 all_string_sub(buf
, "\\t", "\t", 0);
191 static void pwd_sub(char *buf
, const char *username
, const char *oldpass
, const char *newpass
)
193 fstring_sub(buf
, "%u", username
);
194 all_string_sub(buf
, "%o", oldpass
, sizeof(fstring
));
195 all_string_sub(buf
, "%n", newpass
, sizeof(fstring
));
200 struct chat_struct
*next
, *prev
;
205 /**************************************************************
206 Create a linked list containing chat data.
207 ***************************************************************/
209 static struct chat_struct
*make_pw_chat(const char *p
)
213 struct chat_struct
*list
= NULL
;
214 struct chat_struct
*t
;
217 t
= SMB_MALLOC_P(struct chat_struct
);
219 DEBUG(0,("make_pw_chat: malloc failed!\n"));
225 DLIST_ADD_END(list
, t
, struct chat_struct
*);
227 if (!next_token(&p
, prompt
, NULL
, sizeof(fstring
)))
230 if (strequal(prompt
,"."))
233 special_char_sub(prompt
);
234 fstrcpy(t
->prompt
, prompt
);
235 strlower_m(t
->prompt
);
236 trim_char(t
->prompt
, ' ', ' ');
238 if (!next_token(&p
, reply
, NULL
, sizeof(fstring
)))
241 if (strequal(reply
,"."))
244 special_char_sub(reply
);
245 fstrcpy(t
->reply
, reply
);
246 strlower_m(t
->reply
);
247 trim_char(t
->reply
, ' ', ' ');
253 static void free_pw_chat(struct chat_struct
*list
)
256 struct chat_struct
*old_head
= list
;
257 DLIST_REMOVE(list
, list
);
262 static int smb_pam_passchange_conv(int num_msg
,
263 const struct pam_message
**msg
,
264 struct pam_response
**resp
,
268 struct pam_response
*reply
= NULL
;
269 fstring current_prompt
;
270 fstring current_reply
;
271 struct smb_pam_userdata
*udp
= (struct smb_pam_userdata
*)appdata_ptr
;
272 struct chat_struct
*pw_chat
= make_pw_chat(lp_passwd_chat());
273 struct chat_struct
*t
;
277 DEBUG(10,("smb_pam_passchange_conv: starting converstation for %d messages\n", num_msg
));
286 * Apparantly HPUX has a buggy PAM that doesn't support the
287 * appdata_ptr. Fail if this is the case. JRA.
291 DEBUG(0,("smb_pam_passchange_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
292 free_pw_chat(pw_chat
);
296 reply
= SMB_MALLOC_ARRAY(struct pam_response
, num_msg
);
298 DEBUG(0,("smb_pam_passchange_conv: malloc for reply failed!\n"));
299 free_pw_chat(pw_chat
);
303 for (replies
= 0; replies
< num_msg
; replies
++) {
305 DEBUG(10,("smb_pam_passchange_conv: Processing message %d\n", replies
));
306 switch (msg
[replies
]->msg_style
) {
307 case PAM_PROMPT_ECHO_ON
:
308 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: PAM said: %s\n", msg
[replies
]->msg
));
309 fstrcpy(current_prompt
, msg
[replies
]->msg
);
310 trim_char(current_prompt
, ' ', ' ');
311 for (t
=pw_chat
; t
; t
=t
->next
) {
313 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: trying to match |%s| to |%s|\n",
314 t
->prompt
, current_prompt
));
316 if (unix_wild_match(t
->prompt
, current_prompt
)) {
317 fstrcpy(current_reply
, t
->reply
);
318 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We sent: %s\n", current_reply
));
319 pwd_sub(current_reply
, udp
->PAM_username
, udp
->PAM_password
, udp
->PAM_newpassword
);
320 #ifdef DEBUG_PASSWORD
321 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We actualy sent: %s\n", current_reply
));
323 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
324 reply
[replies
].resp
= COPY_STRING(current_reply
);
331 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg
[replies
]->msg
));
332 free_pw_chat(pw_chat
);
338 case PAM_PROMPT_ECHO_OFF
:
339 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: PAM said: %s\n", msg
[replies
]->msg
));
340 fstrcpy(current_prompt
, msg
[replies
]->msg
);
341 trim_char(current_prompt
, ' ', ' ');
342 for (t
=pw_chat
; t
; t
=t
->next
) {
344 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: trying to match |%s| to |%s|\n",
345 t
->prompt
, current_prompt
));
347 if (unix_wild_match(t
->prompt
, current_prompt
)) {
348 fstrcpy(current_reply
, t
->reply
);
349 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We sent: %s\n", current_reply
));
350 pwd_sub(current_reply
, udp
->PAM_username
, udp
->PAM_password
, udp
->PAM_newpassword
);
351 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
352 reply
[replies
].resp
= COPY_STRING(current_reply
);
353 #ifdef DEBUG_PASSWORD
354 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We actualy sent: %s\n", current_reply
));
363 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg
[replies
]->msg
));
364 free_pw_chat(pw_chat
);
375 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
376 reply
[replies
].resp
= NULL
;
380 /* Must be an error of some sort... */
381 free_pw_chat(pw_chat
);
387 free_pw_chat(pw_chat
);
393 /***************************************************************************
394 Free up a malloced pam_conv struct.
395 ****************************************************************************/
397 static void smb_free_pam_conv(struct pam_conv
*pconv
)
400 SAFE_FREE(pconv
->appdata_ptr
);
405 /***************************************************************************
406 Allocate a pam_conv struct.
407 ****************************************************************************/
409 static struct pam_conv
*smb_setup_pam_conv(smb_pam_conv_fn smb_pam_conv_fnptr
, const char *user
,
410 const char *passwd
, const char *newpass
)
412 struct pam_conv
*pconv
= SMB_MALLOC_P(struct pam_conv
);
413 struct smb_pam_userdata
*udp
= SMB_MALLOC_P(struct smb_pam_userdata
);
415 if (pconv
== NULL
|| udp
== NULL
) {
421 udp
->PAM_username
= user
;
422 udp
->PAM_password
= passwd
;
423 udp
->PAM_newpassword
= newpass
;
425 pconv
->conv
= smb_pam_conv_fnptr
;
426 pconv
->appdata_ptr
= (void *)udp
;
431 * PAM Closing out cleanup handler
434 static BOOL
smb_pam_end(pam_handle_t
*pamh
, struct pam_conv
*smb_pam_conv_ptr
)
438 smb_free_pam_conv(smb_pam_conv_ptr
);
441 pam_error
= pam_end(pamh
, 0);
442 if(smb_pam_error_handler(pamh
, pam_error
, "End Cleanup Failed", 2) == True
) {
443 DEBUG(4, ("smb_pam_end: PAM: PAM_END OK.\n"));
447 DEBUG(2,("smb_pam_end: PAM: not initialised"));
452 * Start PAM authentication for specified account
455 static BOOL
smb_pam_start(pam_handle_t
**pamh
, const char *user
, const char *rhost
, struct pam_conv
*pconv
)
458 const char *our_rhost
;
460 *pamh
= (pam_handle_t
*)NULL
;
462 DEBUG(4,("smb_pam_start: PAM: Init user: %s\n", user
));
464 pam_error
= pam_start("samba", user
, pconv
, pamh
);
465 if( !smb_pam_error_handler(*pamh
, pam_error
, "Init Failed", 0)) {
466 *pamh
= (pam_handle_t
*)NULL
;
471 our_rhost
= client_name();
472 if (strequal(our_rhost
,"UNKNOWN"))
473 our_rhost
= client_addr();
479 DEBUG(4,("smb_pam_start: PAM: setting rhost to: %s\n", our_rhost
));
480 pam_error
= pam_set_item(*pamh
, PAM_RHOST
, our_rhost
);
481 if(!smb_pam_error_handler(*pamh
, pam_error
, "set rhost failed", 0)) {
482 smb_pam_end(*pamh
, pconv
);
483 *pamh
= (pam_handle_t
*)NULL
;
488 DEBUG(4,("smb_pam_start: PAM: setting tty\n"));
489 pam_error
= pam_set_item(*pamh
, PAM_TTY
, "samba");
490 if (!smb_pam_error_handler(*pamh
, pam_error
, "set tty failed", 0)) {
491 smb_pam_end(*pamh
, pconv
);
492 *pamh
= (pam_handle_t
*)NULL
;
496 DEBUG(4,("smb_pam_start: PAM: Init passed for user: %s\n", user
));
501 * PAM Authentication Handler
503 static NTSTATUS
smb_pam_auth(pam_handle_t
*pamh
, const char *user
)
506 NTSTATUS nt_status
= NT_STATUS_LOGON_FAILURE
;
509 * To enable debugging set in /etc/pam.d/samba:
510 * auth required /lib/security/pam_pwdb.so nullok shadow audit
513 DEBUG(4,("smb_pam_auth: PAM: Authenticate User: %s\n", user
));
514 pam_error
= pam_authenticate(pamh
, PAM_SILENT
| lp_null_passwords() ? 0 : PAM_DISALLOW_NULL_AUTHTOK
);
517 DEBUG(2, ("smb_pam_auth: PAM: Authentication Error for user %s\n", user
));
519 case PAM_CRED_INSUFFICIENT
:
520 DEBUG(2, ("smb_pam_auth: PAM: Insufficient Credentials for user %s\n", user
));
522 case PAM_AUTHINFO_UNAVAIL
:
523 DEBUG(2, ("smb_pam_auth: PAM: Authentication Information Unavailable for user %s\n", user
));
525 case PAM_USER_UNKNOWN
:
526 DEBUG(2, ("smb_pam_auth: PAM: Username %s NOT known to Authentication system\n", user
));
529 DEBUG(2, ("smb_pam_auth: PAM: One or more authentication modules reports user limit for user %s exceeeded\n", user
));
532 DEBUG(0, ("smb_pam_auth: PAM: One or more PAM modules failed to load for user %s\n", user
));
535 DEBUG(4, ("smb_pam_auth: PAM: User %s Authenticated OK\n", user
));
538 DEBUG(0, ("smb_pam_auth: PAM: UNKNOWN ERROR while authenticating user %s\n", user
));
542 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Authentication Failure", 2, &nt_status
);
547 * PAM Account Handler
549 static NTSTATUS
smb_pam_account(pam_handle_t
*pamh
, const char * user
)
552 NTSTATUS nt_status
= NT_STATUS_ACCOUNT_DISABLED
;
554 DEBUG(4,("smb_pam_account: PAM: Account Management for User: %s\n", user
));
555 pam_error
= pam_acct_mgmt(pamh
, PAM_SILENT
); /* Is user account enabled? */
556 switch( pam_error
) {
557 case PAM_AUTHTOK_EXPIRED
:
558 DEBUG(2, ("smb_pam_account: PAM: User %s is valid but password is expired\n", user
));
560 case PAM_ACCT_EXPIRED
:
561 DEBUG(2, ("smb_pam_account: PAM: User %s no longer permitted to access system\n", user
));
564 DEBUG(2, ("smb_pam_account: PAM: There was an authentication error for user %s\n", user
));
566 case PAM_PERM_DENIED
:
567 DEBUG(0, ("smb_pam_account: PAM: User %s is NOT permitted to access system at this time\n", user
));
569 case PAM_USER_UNKNOWN
:
570 DEBUG(0, ("smb_pam_account: PAM: User \"%s\" is NOT known to account management\n", user
));
573 DEBUG(4, ("smb_pam_account: PAM: Account OK for User: %s\n", user
));
576 DEBUG(0, ("smb_pam_account: PAM: UNKNOWN PAM ERROR (%d) during Account Management for User: %s\n", pam_error
, user
));
580 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Account Check Failed", 2, &nt_status
);
585 * PAM Credential Setting
588 static NTSTATUS
smb_pam_setcred(pam_handle_t
*pamh
, const char * user
)
591 NTSTATUS nt_status
= NT_STATUS_NO_TOKEN
;
594 * This will allow samba to aquire a kerberos token. And, when
595 * exporting an AFS cell, be able to /write/ to this cell.
598 DEBUG(4,("PAM: Account Management SetCredentials for User: %s\n", user
));
599 pam_error
= pam_setcred(pamh
, (PAM_ESTABLISH_CRED
|PAM_SILENT
));
600 switch( pam_error
) {
601 case PAM_CRED_UNAVAIL
:
602 DEBUG(0, ("smb_pam_setcred: PAM: Credentials not found for user:%s\n", user
));
604 case PAM_CRED_EXPIRED
:
605 DEBUG(0, ("smb_pam_setcred: PAM: Credentials for user: \"%s\" EXPIRED!\n", user
));
607 case PAM_USER_UNKNOWN
:
608 DEBUG(0, ("smb_pam_setcred: PAM: User: \"%s\" is NOT known so can not set credentials!\n", user
));
611 DEBUG(0, ("smb_pam_setcred: PAM: Unknown setcredentials error - unable to set credentials for %s\n", user
));
614 DEBUG(4, ("smb_pam_setcred: PAM: SetCredentials OK for User: %s\n", user
));
617 DEBUG(0, ("smb_pam_setcred: PAM: UNKNOWN PAM ERROR (%d) during SetCredentials for User: %s\n", pam_error
, user
));
621 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Set Credential Failure", 2, &nt_status
);
626 * PAM Internal Session Handler
628 static BOOL
smb_internal_pam_session(pam_handle_t
*pamh
, const char *user
, const char *tty
, BOOL flag
)
633 DEBUG(4,("smb_internal_pam_session: PAM: tty set to: %s\n", tty
));
634 pam_error
= pam_set_item(pamh
, PAM_TTY
, tty
);
635 if (!smb_pam_error_handler(pamh
, pam_error
, "set tty failed", 0))
640 pam_error
= pam_open_session(pamh
, PAM_SILENT
);
641 if (!smb_pam_error_handler(pamh
, pam_error
, "session setup failed", 0))
644 pam_setcred(pamh
, (PAM_DELETE_CRED
|PAM_SILENT
)); /* We don't care if this fails */
645 pam_error
= pam_close_session(pamh
, PAM_SILENT
); /* This will probably pick up the error anyway */
646 if (!smb_pam_error_handler(pamh
, pam_error
, "session close failed", 0))
653 * Internal PAM Password Changer.
656 static BOOL
smb_pam_chauthtok(pam_handle_t
*pamh
, const char * user
)
660 DEBUG(4,("smb_pam_chauthtok: PAM: Password Change for User: %s\n", user
));
662 pam_error
= pam_chauthtok(pamh
, PAM_SILENT
); /* Change Password */
664 switch( pam_error
) {
665 case PAM_AUTHTOK_ERR
:
666 DEBUG(2, ("PAM: unable to obtain the new authentication token - is password to weak?\n"));
669 /* This doesn't seem to be defined on Solaris. JRA */
670 #ifdef PAM_AUTHTOK_RECOVER_ERR
671 case PAM_AUTHTOK_RECOVER_ERR
:
672 DEBUG(2, ("PAM: unable to obtain the old authentication token - was the old password wrong?.\n"));
676 case PAM_AUTHTOK_LOCK_BUSY
:
677 DEBUG(2, ("PAM: unable to change the authentication token since it is currently locked.\n"));
679 case PAM_AUTHTOK_DISABLE_AGING
:
680 DEBUG(2, ("PAM: Authentication token aging has been disabled.\n"));
682 case PAM_PERM_DENIED
:
683 DEBUG(0, ("PAM: Permission denied.\n"));
686 DEBUG(0, ("PAM: Could not update all authentication token(s). No authentication tokens were updated.\n"));
688 case PAM_USER_UNKNOWN
:
689 DEBUG(0, ("PAM: User not known to PAM\n"));
692 DEBUG(4, ("PAM: Account OK for User: %s\n", user
));
695 DEBUG(0, ("PAM: UNKNOWN PAM ERROR (%d) for User: %s\n", pam_error
, user
));
698 if(!smb_pam_error_handler(pamh
, pam_error
, "Password Change Failed", 2)) {
702 /* If this point is reached, the password has changed. */
707 * PAM Externally accessible Session handler
710 BOOL
smb_pam_claim_session(char *user
, char *tty
, char *rhost
)
712 pam_handle_t
*pamh
= NULL
;
713 struct pam_conv
*pconv
= NULL
;
715 /* Ignore PAM if told to. */
717 if (!lp_obey_pam_restrictions())
720 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, NULL
, NULL
)) == NULL
)
723 if (!smb_pam_start(&pamh
, user
, rhost
, pconv
))
726 if (!smb_internal_pam_session(pamh
, user
, tty
, True
)) {
727 smb_pam_end(pamh
, pconv
);
731 return smb_pam_end(pamh
, pconv
);
735 * PAM Externally accessible Session handler
738 BOOL
smb_pam_close_session(char *user
, char *tty
, char *rhost
)
740 pam_handle_t
*pamh
= NULL
;
741 struct pam_conv
*pconv
= NULL
;
743 /* Ignore PAM if told to. */
745 if (!lp_obey_pam_restrictions())
748 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, NULL
, NULL
)) == NULL
)
751 if (!smb_pam_start(&pamh
, user
, rhost
, pconv
))
754 if (!smb_internal_pam_session(pamh
, user
, tty
, False
)) {
755 smb_pam_end(pamh
, pconv
);
759 return smb_pam_end(pamh
, pconv
);
763 * PAM Externally accessible Account handler
766 NTSTATUS
smb_pam_accountcheck(const char * user
)
768 NTSTATUS nt_status
= NT_STATUS_ACCOUNT_DISABLED
;
769 pam_handle_t
*pamh
= NULL
;
770 struct pam_conv
*pconv
= NULL
;
772 /* Ignore PAM if told to. */
774 if (!lp_obey_pam_restrictions())
777 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, NULL
, NULL
)) == NULL
)
778 return NT_STATUS_NO_MEMORY
;
780 if (!smb_pam_start(&pamh
, user
, NULL
, pconv
))
781 return NT_STATUS_ACCOUNT_DISABLED
;
783 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_account(pamh
, user
)))
784 DEBUG(0, ("smb_pam_accountcheck: PAM: Account Validation Failed - Rejecting User %s!\n", user
));
786 smb_pam_end(pamh
, pconv
);
791 * PAM Password Validation Suite
794 NTSTATUS
smb_pam_passcheck(const char * user
, const char * password
)
796 pam_handle_t
*pamh
= NULL
;
797 NTSTATUS nt_status
= NT_STATUS_LOGON_FAILURE
;
798 struct pam_conv
*pconv
= NULL
;
801 * Note we can't ignore PAM here as this is the only
802 * way of doing auths on plaintext passwords when
803 * compiled --with-pam.
806 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, password
, NULL
)) == NULL
)
807 return NT_STATUS_LOGON_FAILURE
;
809 if (!smb_pam_start(&pamh
, user
, NULL
, pconv
))
810 return NT_STATUS_LOGON_FAILURE
;
812 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_auth(pamh
, user
))) {
813 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_auth failed - Rejecting User %s !\n", user
));
814 smb_pam_end(pamh
, pconv
);
818 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_account(pamh
, user
))) {
819 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_account failed - Rejecting User %s !\n", user
));
820 smb_pam_end(pamh
, pconv
);
824 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_setcred(pamh
, user
))) {
825 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_setcred failed - Rejecting User %s !\n", user
));
826 smb_pam_end(pamh
, pconv
);
830 smb_pam_end(pamh
, pconv
);
835 * PAM Password Change Suite
838 BOOL
smb_pam_passchange(const char * user
, const char * oldpassword
, const char * newpassword
)
840 /* Appropriate quantities of root should be obtained BEFORE calling this function */
841 struct pam_conv
*pconv
= NULL
;
842 pam_handle_t
*pamh
= NULL
;
844 if ((pconv
= smb_setup_pam_conv(smb_pam_passchange_conv
, user
, oldpassword
, newpassword
)) == NULL
)
847 if(!smb_pam_start(&pamh
, user
, NULL
, pconv
))
850 if (!smb_pam_chauthtok(pamh
, user
)) {
851 DEBUG(0, ("smb_pam_passchange: PAM: Password Change Failed for user %s!\n", user
));
852 smb_pam_end(pamh
, pconv
);
856 return smb_pam_end(pamh
, pconv
);
861 /* If PAM not used, no PAM restrictions on accounts. */
862 NTSTATUS
smb_pam_accountcheck(const char * user
)
867 /* If PAM not used, also no PAM restrictions on sessions. */
868 BOOL
smb_pam_claim_session(char *user
, char *tty
, char *rhost
)
873 /* If PAM not used, also no PAM restrictions on sessions. */
874 BOOL
smb_pam_close_session(char *in_user
, char *tty
, char *rhost
)
878 #endif /* WITH_PAM */