1
/* Unix NT password database implementation, version 0.7.5.
3
* This program is free software; you can redistribute it and/or modify it under
4
* the terms of the GNU General Public License as published by the Free
5
* Software Foundation; either version 3 of the License, or (at your option)
8
* This program is distributed in the hope that it will be useful, but WITHOUT
9
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13
* You should have received a copy of the GNU General Public License along with
14
* this program; if not, see <http://www.gnu.org/licenses/>.
17
/* indicate the following groups are defined */
24
/* This is only used in the Sun implementation. */
25
#if defined(HAVE_SECURITY_PAM_APPL_H)
26
#include <security/pam_appl.h>
27
#elif defined(HAVE_PAM_PAM_APPL_H)
28
#include <pam/pam_appl.h>
33
#if defined(HAVE_SECURITY_PAM_MODULES_H)
34
#include <security/pam_modules.h>
35
#elif defined(HAVE_PAM_PAM_MODULES_H)
36
#include <pam/pam_modules.h>
45
* pam_sm_acct_mgmt() verifies whether or not the account is disabled.
49
int pam_sm_acct_mgmt( pam_handle_t *pamh, int flags,
50
int argc, const char **argv )
56
struct samu *sampass = NULL;
57
void (*oldsig_handler)(int);
59
/* Samba initialization. */
61
lp_set_in_client(True);
63
ctrl = set_ctrl(pamh, flags, argc, argv );
65
/* get the username */
67
retval = pam_get_user( pamh, &name, "Username: " );
68
if (retval != PAM_SUCCESS) {
69
if (on( SMB_DEBUG, ctrl )) {
70
_log_err(pamh, LOG_DEBUG, "acct: could not identify user" );
74
if (on( SMB_DEBUG, ctrl )) {
75
_log_err(pamh, LOG_DEBUG, "acct: username [%s] obtained", name );
79
_log_err(pamh, LOG_DEBUG, "Cannot access samba password database, not running as root.");
80
return PAM_AUTHINFO_UNAVAIL;
83
/* Getting into places that might use LDAP -- protect the app
84
from a SIGPIPE it's not expecting */
85
oldsig_handler = CatchSignal(SIGPIPE, SIGNAL_CAST SIG_IGN);
86
if (!initialize_password_db(True, NULL)) {
87
_log_err(pamh, LOG_ALERT, "Cannot access samba password database" );
88
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
89
return PAM_AUTHINFO_UNAVAIL;
92
/* Get the user's record. */
94
if (!(sampass = samu_new( NULL ))) {
95
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
97
return nt_status_to_pam(NT_STATUS_NO_MEMORY);
100
if (!pdb_getsampwnam(sampass, name )) {
101
_log_err(pamh, LOG_DEBUG, "acct: could not identify user");
102
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
103
return PAM_USER_UNKNOWN;
106
/* check for lookup failure */
107
if (!strlen(pdb_get_username(sampass)) ) {
108
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
109
return PAM_USER_UNKNOWN;
112
if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
113
if (on( SMB_DEBUG, ctrl )) {
114
_log_err(pamh, LOG_DEBUG,
115
"acct: account %s is administratively disabled", name);
117
make_remark( pamh, ctrl, PAM_ERROR_MSG
118
, "Your account has been disabled; "
119
"please see your system administrator." );
121
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
122
return PAM_ACCT_EXPIRED;
125
/* TODO: support for expired passwords. */
127
CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
131
/* static module data */
133
struct pam_module _pam_smbpass_acct_modstruct = {