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 3 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, see <http://www.gnu.org/licenses/>.
24 * This module provides PAM based functions for validation of
25 * username/password pairs, account managment, session and access control.
26 * Note: SMB password checking is done in smbpass.c
32 #define DBGC_CLASS DBGC_AUTH
36 /*******************************************************************
37 * Handle PAM authentication
38 * - Access, Authentication, Session, Password
39 * Note: See PAM Documentation and refer to local system PAM implementation
40 * which determines what actions/limitations/allowances become affected.
41 *********************************************************************/
43 #if defined(HAVE_SECURITY_PAM_APPL_H)
44 #include <security/pam_appl.h>
45 #elif defined(HAVE_PAM_PAM_APPL_H)
46 #include <pam/pam_appl.h>
50 * Structure used to communicate between the conversation function
51 * and the server_login/change password functions.
54 struct smb_pam_userdata
{
55 const char *PAM_username
;
56 const char *PAM_password
;
57 const char *PAM_newpassword
;
60 typedef int (*smb_pam_conv_fn
)(int, const struct pam_message
**, struct pam_response
**, void *appdata_ptr
);
63 * Macros to help make life easy
66 static char *smb_pam_copy_string(const char *s
)
74 static char *smb_pam_copy_fstring(const char *s
)
82 /*******************************************************************
84 *********************************************************************/
86 static bool smb_pam_error_handler(pam_handle_t
*pamh
, int pam_error
, const char *msg
, int dbglvl
)
89 if( pam_error
!= PAM_SUCCESS
) {
90 DEBUG(dbglvl
, ("smb_pam_error_handler: PAM: %s : %s\n",
91 msg
, pam_strerror(pamh
, pam_error
)));
97 /*******************************************************************
98 This function is a sanity check, to make sure that we NEVER report
100 *********************************************************************/
102 static bool smb_pam_nt_status_error_handler(pam_handle_t
*pamh
, int pam_error
,
103 const char *msg
, int dbglvl
,
106 *nt_status
= pam_to_nt_status(pam_error
);
108 if (smb_pam_error_handler(pamh
, pam_error
, msg
, dbglvl
))
111 if (NT_STATUS_IS_OK(*nt_status
)) {
112 /* Complain LOUDLY */
113 DEBUG(0, ("smb_pam_nt_status_error_handler: PAM: BUG: PAM and NT_STATUS \
114 error MISMATCH, forcing to NT_STATUS_LOGON_FAILURE"));
115 *nt_status
= NT_STATUS_LOGON_FAILURE
;
121 * PAM conversation function
122 * Here we assume (for now, at least) that echo on means login name, and
123 * echo off means password.
126 static int smb_pam_conv(int num_msg
,
127 const struct pam_message
**msg
,
128 struct pam_response
**resp
,
132 struct pam_response
*reply
= NULL
;
133 struct smb_pam_userdata
*udp
= (struct smb_pam_userdata
*)appdata_ptr
;
141 * Apparantly HPUX has a buggy PAM that doesn't support the
142 * appdata_ptr. Fail if this is the case. JRA.
146 DEBUG(0,("smb_pam_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
150 reply
= SMB_MALLOC_ARRAY(struct pam_response
, num_msg
);
154 memset(reply
, '\0', sizeof(struct pam_response
) * num_msg
);
156 for (replies
= 0; replies
< num_msg
; replies
++) {
157 switch (msg
[replies
]->msg_style
) {
158 case PAM_PROMPT_ECHO_ON
:
159 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
160 reply
[replies
].resp
= smb_pam_copy_string(
165 case PAM_PROMPT_ECHO_OFF
:
166 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
167 reply
[replies
].resp
= smb_pam_copy_string(
177 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
178 reply
[replies
].resp
= NULL
;
182 /* Must be an error of some sort... */
193 * PAM password change conversation function
194 * Here we assume (for now, at least) that echo on means login name, and
195 * echo off means password.
198 static void special_char_sub(char *buf
)
200 all_string_sub(buf
, "\\n", "", 0);
201 all_string_sub(buf
, "\\r", "", 0);
202 all_string_sub(buf
, "\\s", " ", 0);
203 all_string_sub(buf
, "\\t", "\t", 0);
206 static void pwd_sub(char *buf
, const char *username
, const char *oldpass
, const char *newpass
)
208 fstring_sub(buf
, "%u", username
);
209 all_string_sub(buf
, "%o", oldpass
, sizeof(fstring
));
210 all_string_sub(buf
, "%n", newpass
, sizeof(fstring
));
215 struct chat_struct
*next
, *prev
;
220 /**************************************************************
221 Create a linked list containing chat data.
222 ***************************************************************/
224 static struct chat_struct
*make_pw_chat(const char *p
)
228 struct chat_struct
*list
= NULL
;
229 struct chat_struct
*t
;
230 TALLOC_CTX
*frame
= talloc_stackframe();
233 t
= SMB_MALLOC_P(struct chat_struct
);
235 DEBUG(0,("make_pw_chat: malloc failed!\n"));
242 DLIST_ADD_END(list
, t
, struct chat_struct
*);
244 if (!next_token_talloc(frame
, &p
, &prompt
, NULL
)) {
248 if (strequal(prompt
,".")) {
252 special_char_sub(prompt
);
253 fstrcpy(t
->prompt
, prompt
);
254 strlower_m(t
->prompt
);
255 trim_char(t
->prompt
, ' ', ' ');
257 if (!next_token_talloc(frame
, &p
, &reply
, NULL
)) {
261 if (strequal(reply
,".")) {
265 special_char_sub(reply
);
266 fstrcpy(t
->reply
, reply
);
267 strlower_m(t
->reply
);
268 trim_char(t
->reply
, ' ', ' ');
275 static void free_pw_chat(struct chat_struct
*list
)
278 struct chat_struct
*old_head
= list
;
279 DLIST_REMOVE(list
, list
);
284 static int smb_pam_passchange_conv(int num_msg
,
285 const struct pam_message
**msg
,
286 struct pam_response
**resp
,
290 struct pam_response
*reply
= NULL
;
291 fstring current_prompt
;
292 fstring current_reply
;
293 struct smb_pam_userdata
*udp
= (struct smb_pam_userdata
*)appdata_ptr
;
294 struct chat_struct
*pw_chat
;
295 struct chat_struct
*t
;
299 DEBUG(10,("smb_pam_passchange_conv: starting converstation for %d messages\n", num_msg
));
304 if ((pw_chat
= make_pw_chat(lp_passwd_chat())) == NULL
)
308 * Apparantly HPUX has a buggy PAM that doesn't support the
309 * appdata_ptr. Fail if this is the case. JRA.
313 DEBUG(0,("smb_pam_passchange_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
314 free_pw_chat(pw_chat
);
318 reply
= SMB_MALLOC_ARRAY(struct pam_response
, num_msg
);
320 DEBUG(0,("smb_pam_passchange_conv: malloc for reply failed!\n"));
321 free_pw_chat(pw_chat
);
325 for (replies
= 0; replies
< num_msg
; replies
++) {
327 DEBUG(10,("smb_pam_passchange_conv: Processing message %d\n", replies
));
328 switch (msg
[replies
]->msg_style
) {
329 case PAM_PROMPT_ECHO_ON
:
330 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: PAM said: %s\n", msg
[replies
]->msg
));
331 fstrcpy(current_prompt
, msg
[replies
]->msg
);
332 trim_char(current_prompt
, ' ', ' ');
333 for (t
=pw_chat
; t
; t
=t
->next
) {
335 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: trying to match |%s| to |%s|\n",
336 t
->prompt
, current_prompt
));
338 if (unix_wild_match(t
->prompt
, current_prompt
)) {
339 fstrcpy(current_reply
, t
->reply
);
340 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We sent: %s\n", current_reply
));
341 pwd_sub(current_reply
, udp
->PAM_username
, udp
->PAM_password
, udp
->PAM_newpassword
);
342 #ifdef DEBUG_PASSWORD
343 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We actualy sent: %s\n", current_reply
));
345 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
346 reply
[replies
].resp
= smb_pam_copy_fstring(
354 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg
[replies
]->msg
));
355 free_pw_chat(pw_chat
);
361 case PAM_PROMPT_ECHO_OFF
:
362 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: PAM said: %s\n", msg
[replies
]->msg
));
363 fstrcpy(current_prompt
, msg
[replies
]->msg
);
364 trim_char(current_prompt
, ' ', ' ');
365 for (t
=pw_chat
; t
; t
=t
->next
) {
367 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: trying to match |%s| to |%s|\n",
368 t
->prompt
, current_prompt
));
370 if (unix_wild_match(t
->prompt
, current_prompt
)) {
371 fstrcpy(current_reply
, t
->reply
);
372 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We sent: %s\n", current_reply
));
373 pwd_sub(current_reply
, udp
->PAM_username
, udp
->PAM_password
, udp
->PAM_newpassword
);
374 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
375 reply
[replies
].resp
= smb_pam_copy_fstring(
377 #ifdef DEBUG_PASSWORD
378 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We actualy sent: %s\n", current_reply
));
387 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg
[replies
]->msg
));
388 free_pw_chat(pw_chat
);
399 reply
[replies
].resp_retcode
= PAM_SUCCESS
;
400 reply
[replies
].resp
= NULL
;
404 /* Must be an error of some sort... */
405 free_pw_chat(pw_chat
);
411 free_pw_chat(pw_chat
);
417 /***************************************************************************
418 Free up a malloced pam_conv struct.
419 ****************************************************************************/
421 static void smb_free_pam_conv(struct pam_conv
*pconv
)
424 SAFE_FREE(pconv
->appdata_ptr
);
429 /***************************************************************************
430 Allocate a pam_conv struct.
431 ****************************************************************************/
433 static struct pam_conv
*smb_setup_pam_conv(smb_pam_conv_fn smb_pam_conv_fnptr
, const char *user
,
434 const char *passwd
, const char *newpass
)
436 struct pam_conv
*pconv
= SMB_MALLOC_P(struct pam_conv
);
437 struct smb_pam_userdata
*udp
= SMB_MALLOC_P(struct smb_pam_userdata
);
439 if (pconv
== NULL
|| udp
== NULL
) {
445 udp
->PAM_username
= user
;
446 udp
->PAM_password
= passwd
;
447 udp
->PAM_newpassword
= newpass
;
449 pconv
->conv
= smb_pam_conv_fnptr
;
450 pconv
->appdata_ptr
= (void *)udp
;
455 * PAM Closing out cleanup handler
458 static bool smb_pam_end(pam_handle_t
*pamh
, struct pam_conv
*smb_pam_conv_ptr
)
462 smb_free_pam_conv(smb_pam_conv_ptr
);
465 pam_error
= pam_end(pamh
, 0);
466 if(smb_pam_error_handler(pamh
, pam_error
, "End Cleanup Failed", 2) == True
) {
467 DEBUG(4, ("smb_pam_end: PAM: PAM_END OK.\n"));
471 DEBUG(2,("smb_pam_end: PAM: not initialised"));
476 * Start PAM authentication for specified account
479 static bool smb_pam_start(pam_handle_t
**pamh
, const char *user
, const char *rhost
, struct pam_conv
*pconv
)
483 const char *our_rhost
;
484 char addr
[INET6_ADDRSTRLEN
];
487 *pamh
= (pam_handle_t
*)NULL
;
489 DEBUG(4,("smb_pam_start: PAM: Init user: %s\n", user
));
491 pam_error
= pam_start("samba", user
, pconv
, pamh
);
492 if( !smb_pam_error_handler(*pamh
, pam_error
, "Init Failed", 0)) {
493 *pamh
= (pam_handle_t
*)NULL
;
499 our_rhost
= client_name(smbd_server_fd());
500 if (strequal(our_rhost
,"UNKNOWN"))
501 our_rhost
= client_addr(smbd_server_fd(), addr
,
507 DEBUG(4,("smb_pam_start: PAM: setting rhost to: %s\n", our_rhost
));
508 pam_error
= pam_set_item(*pamh
, PAM_RHOST
, our_rhost
);
509 if(!smb_pam_error_handler(*pamh
, pam_error
, "set rhost failed", 0)) {
510 smb_pam_end(*pamh
, pconv
);
511 *pamh
= (pam_handle_t
*)NULL
;
516 DEBUG(4,("smb_pam_start: PAM: setting tty\n"));
517 pam_error
= pam_set_item(*pamh
, PAM_TTY
, "samba");
518 if (!smb_pam_error_handler(*pamh
, pam_error
, "set tty failed", 0)) {
519 smb_pam_end(*pamh
, pconv
);
520 *pamh
= (pam_handle_t
*)NULL
;
524 DEBUG(4,("smb_pam_start: PAM: Init passed for user: %s\n", user
));
529 * PAM Authentication Handler
531 static NTSTATUS
smb_pam_auth(pam_handle_t
*pamh
, const char *user
)
534 NTSTATUS nt_status
= NT_STATUS_LOGON_FAILURE
;
537 * To enable debugging set in /etc/pam.d/samba:
538 * auth required /lib/security/pam_pwdb.so nullok shadow audit
541 DEBUG(4,("smb_pam_auth: PAM: Authenticate User: %s\n", user
));
542 pam_error
= pam_authenticate(pamh
, PAM_SILENT
| lp_null_passwords() ? 0 : PAM_DISALLOW_NULL_AUTHTOK
);
545 DEBUG(2, ("smb_pam_auth: PAM: Authentication Error for user %s\n", user
));
547 case PAM_CRED_INSUFFICIENT
:
548 DEBUG(2, ("smb_pam_auth: PAM: Insufficient Credentials for user %s\n", user
));
550 case PAM_AUTHINFO_UNAVAIL
:
551 DEBUG(2, ("smb_pam_auth: PAM: Authentication Information Unavailable for user %s\n", user
));
553 case PAM_USER_UNKNOWN
:
554 DEBUG(2, ("smb_pam_auth: PAM: Username %s NOT known to Authentication system\n", user
));
557 DEBUG(2, ("smb_pam_auth: PAM: One or more authentication modules reports user limit for user %s exceeeded\n", user
));
560 DEBUG(0, ("smb_pam_auth: PAM: One or more PAM modules failed to load for user %s\n", user
));
563 DEBUG(4, ("smb_pam_auth: PAM: User %s Authenticated OK\n", user
));
566 DEBUG(0, ("smb_pam_auth: PAM: UNKNOWN ERROR while authenticating user %s\n", user
));
570 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Authentication Failure", 2, &nt_status
);
575 * PAM Account Handler
577 static NTSTATUS
smb_pam_account(pam_handle_t
*pamh
, const char * user
)
580 NTSTATUS nt_status
= NT_STATUS_ACCOUNT_DISABLED
;
582 DEBUG(4,("smb_pam_account: PAM: Account Management for User: %s\n", user
));
583 pam_error
= pam_acct_mgmt(pamh
, PAM_SILENT
); /* Is user account enabled? */
584 switch( pam_error
) {
585 case PAM_AUTHTOK_EXPIRED
:
586 DEBUG(2, ("smb_pam_account: PAM: User %s is valid but password is expired\n", user
));
588 case PAM_ACCT_EXPIRED
:
589 DEBUG(2, ("smb_pam_account: PAM: User %s no longer permitted to access system\n", user
));
592 DEBUG(2, ("smb_pam_account: PAM: There was an authentication error for user %s\n", user
));
594 case PAM_PERM_DENIED
:
595 DEBUG(0, ("smb_pam_account: PAM: User %s is NOT permitted to access system at this time\n", user
));
597 case PAM_USER_UNKNOWN
:
598 DEBUG(0, ("smb_pam_account: PAM: User \"%s\" is NOT known to account management\n", user
));
601 DEBUG(4, ("smb_pam_account: PAM: Account OK for User: %s\n", user
));
604 DEBUG(0, ("smb_pam_account: PAM: UNKNOWN PAM ERROR (%d) during Account Management for User: %s\n", pam_error
, user
));
608 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Account Check Failed", 2, &nt_status
);
613 * PAM Credential Setting
616 static NTSTATUS
smb_pam_setcred(pam_handle_t
*pamh
, const char * user
)
619 NTSTATUS nt_status
= NT_STATUS_NO_TOKEN
;
622 * This will allow samba to aquire a kerberos token. And, when
623 * exporting an AFS cell, be able to /write/ to this cell.
626 DEBUG(4,("PAM: Account Management SetCredentials for User: %s\n", user
));
627 pam_error
= pam_setcred(pamh
, (PAM_ESTABLISH_CRED
|PAM_SILENT
));
628 switch( pam_error
) {
629 case PAM_CRED_UNAVAIL
:
630 DEBUG(0, ("smb_pam_setcred: PAM: Credentials not found for user:%s\n", user
));
632 case PAM_CRED_EXPIRED
:
633 DEBUG(0, ("smb_pam_setcred: PAM: Credentials for user: \"%s\" EXPIRED!\n", user
));
635 case PAM_USER_UNKNOWN
:
636 DEBUG(0, ("smb_pam_setcred: PAM: User: \"%s\" is NOT known so can not set credentials!\n", user
));
639 DEBUG(0, ("smb_pam_setcred: PAM: Unknown setcredentials error - unable to set credentials for %s\n", user
));
642 DEBUG(4, ("smb_pam_setcred: PAM: SetCredentials OK for User: %s\n", user
));
645 DEBUG(0, ("smb_pam_setcred: PAM: UNKNOWN PAM ERROR (%d) during SetCredentials for User: %s\n", pam_error
, user
));
649 smb_pam_nt_status_error_handler(pamh
, pam_error
, "Set Credential Failure", 2, &nt_status
);
654 * PAM Internal Session Handler
656 static bool smb_internal_pam_session(pam_handle_t
*pamh
, const char *user
, const char *tty
, bool flag
)
661 DEBUG(4,("smb_internal_pam_session: PAM: tty set to: %s\n", tty
));
662 pam_error
= pam_set_item(pamh
, PAM_TTY
, tty
);
663 if (!smb_pam_error_handler(pamh
, pam_error
, "set tty failed", 0))
668 pam_error
= pam_open_session(pamh
, PAM_SILENT
);
669 if (!smb_pam_error_handler(pamh
, pam_error
, "session setup failed", 0))
672 pam_setcred(pamh
, (PAM_DELETE_CRED
|PAM_SILENT
)); /* We don't care if this fails */
673 pam_error
= pam_close_session(pamh
, PAM_SILENT
); /* This will probably pick up the error anyway */
674 if (!smb_pam_error_handler(pamh
, pam_error
, "session close failed", 0))
681 * Internal PAM Password Changer.
684 static bool smb_pam_chauthtok(pam_handle_t
*pamh
, const char * user
)
688 DEBUG(4,("smb_pam_chauthtok: PAM: Password Change for User: %s\n", user
));
690 pam_error
= pam_chauthtok(pamh
, PAM_SILENT
); /* Change Password */
692 switch( pam_error
) {
693 case PAM_AUTHTOK_ERR
:
694 DEBUG(2, ("PAM: unable to obtain the new authentication token - is password to weak?\n"));
697 /* This doesn't seem to be defined on Solaris. JRA */
698 #ifdef PAM_AUTHTOK_RECOVER_ERR
699 case PAM_AUTHTOK_RECOVER_ERR
:
700 DEBUG(2, ("PAM: unable to obtain the old authentication token - was the old password wrong?.\n"));
704 case PAM_AUTHTOK_LOCK_BUSY
:
705 DEBUG(2, ("PAM: unable to change the authentication token since it is currently locked.\n"));
707 case PAM_AUTHTOK_DISABLE_AGING
:
708 DEBUG(2, ("PAM: Authentication token aging has been disabled.\n"));
710 case PAM_PERM_DENIED
:
711 DEBUG(0, ("PAM: Permission denied.\n"));
714 DEBUG(0, ("PAM: Could not update all authentication token(s). No authentication tokens were updated.\n"));
716 case PAM_USER_UNKNOWN
:
717 DEBUG(0, ("PAM: User not known to PAM\n"));
720 DEBUG(4, ("PAM: Account OK for User: %s\n", user
));
723 DEBUG(0, ("PAM: UNKNOWN PAM ERROR (%d) for User: %s\n", pam_error
, user
));
726 if(!smb_pam_error_handler(pamh
, pam_error
, "Password Change Failed", 2)) {
730 /* If this point is reached, the password has changed. */
735 * PAM Externally accessible Session handler
738 bool smb_pam_claim_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
, True
)) {
755 smb_pam_end(pamh
, pconv
);
759 return smb_pam_end(pamh
, pconv
);
763 * PAM Externally accessible Session handler
766 bool smb_pam_close_session(char *user
, char *tty
, char *rhost
)
768 pam_handle_t
*pamh
= NULL
;
769 struct pam_conv
*pconv
= NULL
;
771 /* Ignore PAM if told to. */
773 if (!lp_obey_pam_restrictions())
776 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, NULL
, NULL
)) == NULL
)
779 if (!smb_pam_start(&pamh
, user
, rhost
, pconv
))
782 if (!smb_internal_pam_session(pamh
, user
, tty
, False
)) {
783 smb_pam_end(pamh
, pconv
);
787 return smb_pam_end(pamh
, pconv
);
791 * PAM Externally accessible Account handler
794 NTSTATUS
smb_pam_accountcheck(const char *user
, const char *rhost
)
796 NTSTATUS nt_status
= NT_STATUS_ACCOUNT_DISABLED
;
797 pam_handle_t
*pamh
= NULL
;
798 struct pam_conv
*pconv
= NULL
;
800 /* Ignore PAM if told to. */
802 if (!lp_obey_pam_restrictions())
805 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, NULL
, NULL
)) == NULL
)
806 return NT_STATUS_NO_MEMORY
;
808 if (!smb_pam_start(&pamh
, user
, rhost
, pconv
))
809 return NT_STATUS_ACCOUNT_DISABLED
;
811 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_account(pamh
, user
)))
812 DEBUG(0, ("smb_pam_accountcheck: PAM: Account Validation Failed - Rejecting User %s!\n", user
));
814 smb_pam_end(pamh
, pconv
);
819 * PAM Password Validation Suite
822 NTSTATUS
smb_pam_passcheck(const char * user
, const char * password
)
824 pam_handle_t
*pamh
= NULL
;
825 NTSTATUS nt_status
= NT_STATUS_LOGON_FAILURE
;
826 struct pam_conv
*pconv
= NULL
;
829 * Note we can't ignore PAM here as this is the only
830 * way of doing auths on plaintext passwords when
831 * compiled --with-pam.
834 if ((pconv
= smb_setup_pam_conv(smb_pam_conv
, user
, password
, NULL
)) == NULL
)
835 return NT_STATUS_LOGON_FAILURE
;
837 if (!smb_pam_start(&pamh
, user
, NULL
, pconv
))
838 return NT_STATUS_LOGON_FAILURE
;
840 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_auth(pamh
, user
))) {
841 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_auth failed - Rejecting User %s !\n", user
));
842 smb_pam_end(pamh
, pconv
);
846 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_account(pamh
, user
))) {
847 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_account failed - Rejecting User %s !\n", user
));
848 smb_pam_end(pamh
, pconv
);
852 if (!NT_STATUS_IS_OK(nt_status
= smb_pam_setcred(pamh
, user
))) {
853 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_setcred failed - Rejecting User %s !\n", user
));
854 smb_pam_end(pamh
, pconv
);
858 smb_pam_end(pamh
, pconv
);
863 * PAM Password Change Suite
866 bool smb_pam_passchange(const char * user
, const char * oldpassword
, const char * newpassword
)
868 /* Appropriate quantities of root should be obtained BEFORE calling this function */
869 struct pam_conv
*pconv
= NULL
;
870 pam_handle_t
*pamh
= NULL
;
872 if ((pconv
= smb_setup_pam_conv(smb_pam_passchange_conv
, user
, oldpassword
, newpassword
)) == NULL
)
875 if(!smb_pam_start(&pamh
, user
, NULL
, pconv
))
878 if (!smb_pam_chauthtok(pamh
, user
)) {
879 DEBUG(0, ("smb_pam_passchange: PAM: Password Change Failed for user %s!\n", user
));
880 smb_pam_end(pamh
, pconv
);
884 return smb_pam_end(pamh
, pconv
);
889 /* If PAM not used, no PAM restrictions on accounts. */
890 NTSTATUS
smb_pam_accountcheck(const char *user
, const char *rhost
)
895 /* If PAM not used, also no PAM restrictions on sessions. */
896 bool smb_pam_claim_session(char *user
, char *tty
, char *rhost
)
901 /* If PAM not used, also no PAM restrictions on sessions. */
902 bool smb_pam_close_session(char *in_user
, char *tty
, char *rhost
)
906 #endif /* WITH_PAM */