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
31 #include "../libcli/auth/pam_errors.h"
34 #define DBGC_CLASS DBGC_AUTH
38 /*******************************************************************
39 * Handle PAM authentication
40 * - Access, Authentication, Session, Password
41 * Note: See PAM Documentation and refer to local system PAM implementation
42 * which determines what actions/limitations/allowances become affected.
43 *********************************************************************/
45 #if defined(HAVE_SECURITY_PAM_APPL_H)
46 #include <security/pam_appl.h>
47 #elif defined(HAVE_PAM_PAM_APPL_H)
48 #include <pam/pam_appl.h>
52 * Structure used to communicate between the conversation function
53 * and the server_login/change password functions.
56 struct smb_pam_userdata {
57 const char *PAM_username;
58 const char *PAM_password;
59 const char *PAM_newpassword;
62 typedef int (*smb_pam_conv_fn)(int, const struct pam_message **, struct pam_response **, void *appdata_ptr);
64 static char *smb_pam_copy_string(const char *s)
72 static char *smb_pam_copy_fstring(const char *s)
80 /*******************************************************************
82 *********************************************************************/
84 static bool smb_pam_error_handler(pam_handle_t *pamh, int pam_error, const char *msg, int dbglvl)
87 if( pam_error != PAM_SUCCESS) {
88 DEBUG(dbglvl, ("smb_pam_error_handler: PAM: %s : %s\n",
89 msg, pam_strerror(pamh, pam_error)));
95 /*******************************************************************
96 This function is a sanity check, to make sure that we NEVER report
98 *********************************************************************/
100 static bool smb_pam_nt_status_error_handler(pam_handle_t *pamh, int pam_error,
101 const char *msg, int dbglvl,
104 *nt_status = pam_to_nt_status(pam_error);
106 if (smb_pam_error_handler(pamh, pam_error, msg, dbglvl))
109 if (NT_STATUS_IS_OK(*nt_status)) {
110 /* Complain LOUDLY */
111 DEBUG(0, ("smb_pam_nt_status_error_handler: PAM: BUG: PAM and NT_STATUS \
112 error MISMATCH, forcing to NT_STATUS_LOGON_FAILURE"));
113 *nt_status = NT_STATUS_LOGON_FAILURE;
119 * PAM conversation function
120 * Here we assume (for now, at least) that echo on means login name, and
121 * echo off means password.
124 static int smb_pam_conv(int num_msg,
125 const struct pam_message **msg,
126 struct pam_response **resp,
130 struct pam_response *reply = NULL;
131 struct smb_pam_userdata *udp = (struct smb_pam_userdata *)appdata_ptr;
139 * Apparantly HPUX has a buggy PAM that doesn't support the
140 * appdata_ptr. Fail if this is the case. JRA.
144 DEBUG(0,("smb_pam_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
148 reply = SMB_MALLOC_ARRAY(struct pam_response, num_msg);
152 memset(reply, '\0', sizeof(struct pam_response) * num_msg);
154 for (replies = 0; replies < num_msg; replies++) {
155 switch (msg[replies]->msg_style) {
156 case PAM_PROMPT_ECHO_ON:
157 reply[replies].resp_retcode = PAM_SUCCESS;
158 reply[replies].resp = smb_pam_copy_string(
163 case PAM_PROMPT_ECHO_OFF:
164 reply[replies].resp_retcode = PAM_SUCCESS;
165 reply[replies].resp = smb_pam_copy_string(
175 reply[replies].resp_retcode = PAM_SUCCESS;
176 reply[replies].resp = NULL;
180 /* Must be an error of some sort... */
191 * PAM password change conversation function
192 * Here we assume (for now, at least) that echo on means login name, and
193 * echo off means password.
196 static void special_char_sub(char *buf)
198 all_string_sub(buf, "\\n", "", 0);
199 all_string_sub(buf, "\\r", "", 0);
200 all_string_sub(buf, "\\s", " ", 0);
201 all_string_sub(buf, "\\t", "\t", 0);
204 static void pwd_sub(char *buf, const char *username, const char *oldpass, const char *newpass)
206 fstring_sub(buf, "%u", username);
207 all_string_sub(buf, "%o", oldpass, sizeof(fstring));
208 all_string_sub(buf, "%n", newpass, sizeof(fstring));
213 struct chat_struct *next, *prev;
218 /**************************************************************
219 Create a linked list containing chat data.
220 ***************************************************************/
222 static struct chat_struct *make_pw_chat(const char *p)
226 struct chat_struct *list = NULL;
227 struct chat_struct *t;
228 TALLOC_CTX *frame = talloc_stackframe();
231 t = SMB_MALLOC_P(struct chat_struct);
233 DEBUG(0,("make_pw_chat: malloc failed!\n"));
240 DLIST_ADD_END(list, t, struct chat_struct*);
242 if (!next_token_talloc(frame, &p, &prompt, NULL)) {
246 if (strequal(prompt,".")) {
250 special_char_sub(prompt);
251 fstrcpy(t->prompt, prompt);
252 strlower_m(t->prompt);
253 trim_char(t->prompt, ' ', ' ');
255 if (!next_token_talloc(frame, &p, &reply, NULL)) {
259 if (strequal(reply,".")) {
263 special_char_sub(reply);
264 fstrcpy(t->reply, reply);
265 strlower_m(t->reply);
266 trim_char(t->reply, ' ', ' ');
273 static void free_pw_chat(struct chat_struct *list)
276 struct chat_struct *old_head = list;
277 DLIST_REMOVE(list, list);
282 static int smb_pam_passchange_conv(int num_msg,
283 const struct pam_message **msg,
284 struct pam_response **resp,
288 struct pam_response *reply = NULL;
289 fstring current_prompt;
290 fstring current_reply;
291 struct smb_pam_userdata *udp = (struct smb_pam_userdata *)appdata_ptr;
292 struct chat_struct *pw_chat;
293 struct chat_struct *t;
297 DEBUG(10,("smb_pam_passchange_conv: starting converstation for %d messages\n", num_msg));
302 if ((pw_chat = make_pw_chat(lp_passwd_chat())) == NULL)
306 * Apparantly HPUX has a buggy PAM that doesn't support the
307 * appdata_ptr. Fail if this is the case. JRA.
311 DEBUG(0,("smb_pam_passchange_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
312 free_pw_chat(pw_chat);
316 reply = SMB_MALLOC_ARRAY(struct pam_response, num_msg);
318 DEBUG(0,("smb_pam_passchange_conv: malloc for reply failed!\n"));
319 free_pw_chat(pw_chat);
323 for (replies = 0; replies < num_msg; replies++) {
325 DEBUG(10,("smb_pam_passchange_conv: Processing message %d\n", replies));
326 switch (msg[replies]->msg_style) {
327 case PAM_PROMPT_ECHO_ON:
328 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: PAM said: %s\n", msg[replies]->msg));
329 fstrcpy(current_prompt, msg[replies]->msg);
330 trim_char(current_prompt, ' ', ' ');
331 for (t=pw_chat; t; t=t->next) {
333 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: trying to match |%s| to |%s|\n",
334 t->prompt, current_prompt ));
336 if (unix_wild_match(t->prompt, current_prompt)) {
337 fstrcpy(current_reply, t->reply);
338 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We sent: %s\n", current_reply));
339 pwd_sub(current_reply, udp->PAM_username, udp->PAM_password, udp->PAM_newpassword);
340 #ifdef DEBUG_PASSWORD
341 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We actually sent: %s\n", current_reply));
343 reply[replies].resp_retcode = PAM_SUCCESS;
344 reply[replies].resp = smb_pam_copy_fstring(
352 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg[replies]->msg));
353 free_pw_chat(pw_chat);
359 case PAM_PROMPT_ECHO_OFF:
360 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: PAM said: %s\n", msg[replies]->msg));
361 fstrcpy(current_prompt, msg[replies]->msg);
362 trim_char(current_prompt, ' ', ' ');
363 for (t=pw_chat; t; t=t->next) {
365 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: trying to match |%s| to |%s|\n",
366 t->prompt, current_prompt ));
368 if (unix_wild_match(t->prompt, current_prompt)) {
369 fstrcpy(current_reply, t->reply);
370 DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We sent: %s\n", current_reply));
371 pwd_sub(current_reply, udp->PAM_username, udp->PAM_password, udp->PAM_newpassword);
372 reply[replies].resp_retcode = PAM_SUCCESS;
373 reply[replies].resp = smb_pam_copy_fstring(
375 #ifdef DEBUG_PASSWORD
376 DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We actually sent: %s\n", current_reply));
385 DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg[replies]->msg));
386 free_pw_chat(pw_chat);
397 reply[replies].resp_retcode = PAM_SUCCESS;
398 reply[replies].resp = NULL;
402 /* Must be an error of some sort... */
403 free_pw_chat(pw_chat);
409 free_pw_chat(pw_chat);
415 /***************************************************************************
416 Free up a malloced pam_conv struct.
417 ****************************************************************************/
419 static void smb_free_pam_conv(struct pam_conv *pconv)
422 SAFE_FREE(pconv->appdata_ptr);
427 /***************************************************************************
428 Allocate a pam_conv struct.
429 ****************************************************************************/
431 static struct pam_conv *smb_setup_pam_conv(smb_pam_conv_fn smb_pam_conv_fnptr, const char *user,
432 const char *passwd, const char *newpass)
434 struct pam_conv *pconv = SMB_MALLOC_P(struct pam_conv);
435 struct smb_pam_userdata *udp = SMB_MALLOC_P(struct smb_pam_userdata);
437 if (pconv == NULL || udp == NULL) {
443 udp->PAM_username = user;
444 udp->PAM_password = passwd;
445 udp->PAM_newpassword = newpass;
447 pconv->conv = smb_pam_conv_fnptr;
448 pconv->appdata_ptr = (void *)udp;
453 * PAM Closing out cleanup handler
456 static bool smb_pam_end(pam_handle_t *pamh, struct pam_conv *smb_pam_conv_ptr)
460 smb_free_pam_conv(smb_pam_conv_ptr);
463 pam_error = pam_end(pamh, 0);
464 if(smb_pam_error_handler(pamh, pam_error, "End Cleanup Failed", 2) == True) {
465 DEBUG(4, ("smb_pam_end: PAM: PAM_END OK.\n"));
469 DEBUG(2,("smb_pam_end: PAM: not initialised"));
474 * Start PAM authentication for specified account
477 static bool smb_pam_start(pam_handle_t **pamh, const char *user, const char *rhost, struct pam_conv *pconv)
481 *pamh = (pam_handle_t *)NULL;
483 DEBUG(4,("smb_pam_start: PAM: Init user: %s\n", user));
485 pam_error = pam_start("samba", user, pconv, pamh);
486 if( !smb_pam_error_handler(*pamh, pam_error, "Init Failed", 0)) {
487 *pamh = (pam_handle_t *)NULL;
492 DEBUG(4,("smb_pam_start: PAM: setting rhost to: %s\n", rhost));
493 pam_error = pam_set_item(*pamh, PAM_RHOST, rhost);
494 if(!smb_pam_error_handler(*pamh, pam_error, "set rhost failed", 0)) {
495 smb_pam_end(*pamh, pconv);
496 *pamh = (pam_handle_t *)NULL;
501 DEBUG(4,("smb_pam_start: PAM: setting tty\n"));
502 pam_error = pam_set_item(*pamh, PAM_TTY, "samba");
503 if (!smb_pam_error_handler(*pamh, pam_error, "set tty failed", 0)) {
504 smb_pam_end(*pamh, pconv);
505 *pamh = (pam_handle_t *)NULL;
509 DEBUG(4,("smb_pam_start: PAM: Init passed for user: %s\n", user));
514 * PAM Authentication Handler
516 static NTSTATUS smb_pam_auth(pam_handle_t *pamh, const char *user)
519 NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
522 * To enable debugging set in /etc/pam.d/samba:
523 * auth required /lib/security/pam_pwdb.so nullok shadow audit
526 DEBUG(4,("smb_pam_auth: PAM: Authenticate User: %s\n", user));
527 pam_error = pam_authenticate(pamh, PAM_SILENT | lp_null_passwords() ? 0 : PAM_DISALLOW_NULL_AUTHTOK);
530 DEBUG(2, ("smb_pam_auth: PAM: Authentication Error for user %s\n", user));
532 case PAM_CRED_INSUFFICIENT:
533 DEBUG(2, ("smb_pam_auth: PAM: Insufficient Credentials for user %s\n", user));
535 case PAM_AUTHINFO_UNAVAIL:
536 DEBUG(2, ("smb_pam_auth: PAM: Authentication Information Unavailable for user %s\n", user));
538 case PAM_USER_UNKNOWN:
539 DEBUG(2, ("smb_pam_auth: PAM: Username %s NOT known to Authentication system\n", user));
542 DEBUG(2, ("smb_pam_auth: PAM: One or more authentication modules reports user limit for user %s exceeeded\n", user));
545 DEBUG(0, ("smb_pam_auth: PAM: One or more PAM modules failed to load for user %s\n", user));
548 DEBUG(4, ("smb_pam_auth: PAM: User %s Authenticated OK\n", user));
551 DEBUG(0, ("smb_pam_auth: PAM: UNKNOWN ERROR while authenticating user %s\n", user));
555 smb_pam_nt_status_error_handler(pamh, pam_error, "Authentication Failure", 2, &nt_status);
560 * PAM Account Handler
562 static NTSTATUS smb_pam_account(pam_handle_t *pamh, const char * user)
565 NTSTATUS nt_status = NT_STATUS_ACCOUNT_DISABLED;
567 DEBUG(4,("smb_pam_account: PAM: Account Management for User: %s\n", user));
568 pam_error = pam_acct_mgmt(pamh, PAM_SILENT); /* Is user account enabled? */
569 switch( pam_error ) {
570 case PAM_AUTHTOK_EXPIRED:
571 DEBUG(2, ("smb_pam_account: PAM: User %s is valid but password is expired\n", user));
573 case PAM_ACCT_EXPIRED:
574 DEBUG(2, ("smb_pam_account: PAM: User %s no longer permitted to access system\n", user));
577 DEBUG(2, ("smb_pam_account: PAM: There was an authentication error for user %s\n", user));
579 case PAM_PERM_DENIED:
580 DEBUG(0, ("smb_pam_account: PAM: User %s is NOT permitted to access system at this time\n", user));
582 case PAM_USER_UNKNOWN:
583 DEBUG(0, ("smb_pam_account: PAM: User \"%s\" is NOT known to account management\n", user));
586 DEBUG(4, ("smb_pam_account: PAM: Account OK for User: %s\n", user));
589 DEBUG(0, ("smb_pam_account: PAM: UNKNOWN PAM ERROR (%d) during Account Management for User: %s\n", pam_error, user));
593 smb_pam_nt_status_error_handler(pamh, pam_error, "Account Check Failed", 2, &nt_status);
598 * PAM Credential Setting
601 static NTSTATUS smb_pam_setcred(pam_handle_t *pamh, const char * user)
604 NTSTATUS nt_status = NT_STATUS_NO_TOKEN;
607 * This will allow samba to aquire a kerberos token. And, when
608 * exporting an AFS cell, be able to /write/ to this cell.
611 DEBUG(4,("PAM: Account Management SetCredentials for User: %s\n", user));
612 pam_error = pam_setcred(pamh, (PAM_ESTABLISH_CRED|PAM_SILENT));
613 switch( pam_error ) {
614 case PAM_CRED_UNAVAIL:
615 DEBUG(0, ("smb_pam_setcred: PAM: Credentials not found for user:%s\n", user ));
617 case PAM_CRED_EXPIRED:
618 DEBUG(0, ("smb_pam_setcred: PAM: Credentials for user: \"%s\" EXPIRED!\n", user ));
620 case PAM_USER_UNKNOWN:
621 DEBUG(0, ("smb_pam_setcred: PAM: User: \"%s\" is NOT known so can not set credentials!\n", user ));
624 DEBUG(0, ("smb_pam_setcred: PAM: Unknown setcredentials error - unable to set credentials for %s\n", user ));
627 DEBUG(4, ("smb_pam_setcred: PAM: SetCredentials OK for User: %s\n", user));
630 DEBUG(0, ("smb_pam_setcred: PAM: UNKNOWN PAM ERROR (%d) during SetCredentials for User: %s\n", pam_error, user));
634 smb_pam_nt_status_error_handler(pamh, pam_error, "Set Credential Failure", 2, &nt_status);
639 * PAM Internal Session Handler
641 static bool smb_internal_pam_session(pam_handle_t *pamh, const char *user, const char *tty, bool flag)
646 DEBUG(4,("smb_internal_pam_session: PAM: tty set to: %s\n", tty));
647 pam_error = pam_set_item(pamh, PAM_TTY, tty);
648 if (!smb_pam_error_handler(pamh, pam_error, "set tty failed", 0))
653 pam_error = pam_open_session(pamh, PAM_SILENT);
654 if (!smb_pam_error_handler(pamh, pam_error, "session setup failed", 0))
657 pam_setcred(pamh, (PAM_DELETE_CRED|PAM_SILENT)); /* We don't care if this fails */
658 pam_error = pam_close_session(pamh, PAM_SILENT); /* This will probably pick up the error anyway */
659 if (!smb_pam_error_handler(pamh, pam_error, "session close failed", 0))
666 * Internal PAM Password Changer.
669 static bool smb_pam_chauthtok(pam_handle_t *pamh, const char * user)
673 DEBUG(4,("smb_pam_chauthtok: PAM: Password Change for User: %s\n", user));
675 pam_error = pam_chauthtok(pamh, PAM_SILENT); /* Change Password */
677 switch( pam_error ) {
678 case PAM_AUTHTOK_ERR:
679 DEBUG(2, ("PAM: unable to obtain the new authentication token - is password to weak?\n"));
682 /* This doesn't seem to be defined on Solaris. JRA */
683 #ifdef PAM_AUTHTOK_RECOVER_ERR
684 case PAM_AUTHTOK_RECOVER_ERR:
685 DEBUG(2, ("PAM: unable to obtain the old authentication token - was the old password wrong?.\n"));
689 case PAM_AUTHTOK_LOCK_BUSY:
690 DEBUG(2, ("PAM: unable to change the authentication token since it is currently locked.\n"));
692 case PAM_AUTHTOK_DISABLE_AGING:
693 DEBUG(2, ("PAM: Authentication token aging has been disabled.\n"));
695 case PAM_PERM_DENIED:
696 DEBUG(0, ("PAM: Permission denied.\n"));
699 DEBUG(0, ("PAM: Could not update all authentication token(s). No authentication tokens were updated.\n"));
701 case PAM_USER_UNKNOWN:
702 DEBUG(0, ("PAM: User not known to PAM\n"));
705 DEBUG(4, ("PAM: Account OK for User: %s\n", user));
708 DEBUG(0, ("PAM: UNKNOWN PAM ERROR (%d) for User: %s\n", pam_error, user));
711 if(!smb_pam_error_handler(pamh, pam_error, "Password Change Failed", 2)) {
715 /* If this point is reached, the password has changed. */
720 * PAM Externally accessible Session handler
723 bool smb_pam_claim_session(char *user, char *tty, char *rhost)
725 pam_handle_t *pamh = NULL;
726 struct pam_conv *pconv = NULL;
728 /* Ignore PAM if told to. */
730 if (!lp_obey_pam_restrictions())
733 if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
736 if (!smb_pam_start(&pamh, user, rhost, pconv))
739 if (!smb_internal_pam_session(pamh, user, tty, True)) {
740 smb_pam_end(pamh, pconv);
744 return smb_pam_end(pamh, pconv);
748 * PAM Externally accessible Session handler
751 bool smb_pam_close_session(char *user, char *tty, char *rhost)
753 pam_handle_t *pamh = NULL;
754 struct pam_conv *pconv = NULL;
756 /* Ignore PAM if told to. */
758 if (!lp_obey_pam_restrictions())
761 if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
764 if (!smb_pam_start(&pamh, user, rhost, pconv))
767 if (!smb_internal_pam_session(pamh, user, tty, False)) {
768 smb_pam_end(pamh, pconv);
772 return smb_pam_end(pamh, pconv);
776 * PAM Externally accessible Account handler
779 NTSTATUS smb_pam_accountcheck(const char *user, const char *rhost)
781 NTSTATUS nt_status = NT_STATUS_ACCOUNT_DISABLED;
782 pam_handle_t *pamh = NULL;
783 struct pam_conv *pconv = NULL;
785 /* Ignore PAM if told to. */
787 if (!lp_obey_pam_restrictions())
790 if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
791 return NT_STATUS_NO_MEMORY;
793 if (!smb_pam_start(&pamh, user, rhost, pconv))
794 return NT_STATUS_ACCOUNT_DISABLED;
796 if (!NT_STATUS_IS_OK(nt_status = smb_pam_account(pamh, user)))
797 DEBUG(0, ("smb_pam_accountcheck: PAM: Account Validation Failed - Rejecting User %s!\n", user));
799 smb_pam_end(pamh, pconv);
804 * PAM Password Validation Suite
807 NTSTATUS smb_pam_passcheck(const char * user, const char * rhost,
808 const char * password)
810 pam_handle_t *pamh = NULL;
811 NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
812 struct pam_conv *pconv = NULL;
815 * Note we can't ignore PAM here as this is the only
816 * way of doing auths on plaintext passwords when
817 * compiled --with-pam.
820 if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, password, NULL)) == NULL)
821 return NT_STATUS_LOGON_FAILURE;
823 if (!smb_pam_start(&pamh, user, rhost, pconv))
824 return NT_STATUS_LOGON_FAILURE;
826 if (!NT_STATUS_IS_OK(nt_status = smb_pam_auth(pamh, user))) {
827 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_auth failed - Rejecting User %s !\n", user));
828 smb_pam_end(pamh, pconv);
832 if (!NT_STATUS_IS_OK(nt_status = smb_pam_account(pamh, user))) {
833 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_account failed - Rejecting User %s !\n", user));
834 smb_pam_end(pamh, pconv);
838 if (!NT_STATUS_IS_OK(nt_status = smb_pam_setcred(pamh, user))) {
839 DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_setcred failed - Rejecting User %s !\n", user));
840 smb_pam_end(pamh, pconv);
844 smb_pam_end(pamh, pconv);
849 * PAM Password Change Suite
852 bool smb_pam_passchange(const char *user, const char *rhost,
853 const char *oldpassword, const char *newpassword)
855 /* Appropriate quantities of root should be obtained BEFORE calling this function */
856 struct pam_conv *pconv = NULL;
857 pam_handle_t *pamh = NULL;
859 if ((pconv = smb_setup_pam_conv(smb_pam_passchange_conv, user, oldpassword, newpassword)) == NULL)
862 if(!smb_pam_start(&pamh, user, rhost, pconv))
865 if (!smb_pam_chauthtok(pamh, user)) {
866 DEBUG(0, ("smb_pam_passchange: PAM: Password Change Failed for user %s!\n", user));
867 smb_pam_end(pamh, pconv);
871 return smb_pam_end(pamh, pconv);
876 /* If PAM not used, no PAM restrictions on accounts. */
877 NTSTATUS smb_pam_accountcheck(const char *user, const char *rhost)
882 /* If PAM not used, also no PAM restrictions on sessions. */
883 bool smb_pam_claim_session(char *user, char *tty, char *rhost)
888 /* If PAM not used, also no PAM restrictions on sessions. */
889 bool smb_pam_close_session(char *in_user, char *tty, char *rhost)
893 #endif /* WITH_PAM */