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, write to the Free Software Foundation, Inc., 675
15 * Mass Ave, Cambridge, MA 02139, USA.
18 /* indicate the following groups are defined */
25 /* This is only used in the Sun implementation. */
26 #if defined(HAVE_SECURITY_PAM_APPL_H)
27 #include <security/pam_appl.h>
28 #elif defined(HAVE_PAM_PAM_APPL_H)
29 #include <pam/pam_appl.h>
34 #if defined(HAVE_SECURITY_PAM_MODULES_H)
35 #include <security/pam_modules.h>
36 #elif defined(HAVE_PAM_PAM_MODULES_H)
37 #include <pam/pam_modules.h>
46 * pam_sm_acct_mgmt() verifies whether or not the account is disabled.
50 int pam_sm_acct_mgmt( pam_handle_t *pamh, int flags,
51 int argc, const char **argv )
57 struct samu *sampass = NULL;
58 void (*oldsig_handler)(int);
59 extern BOOL in_client;
61 /* Samba initialization. */
63 setup_logging( "pam_smbpass", False );
66 ctrl = set_ctrl( flags, argc, argv );
68 /* get the username */
70 retval = pam_get_user( pamh, &name, "Username: " );
71 if (retval != PAM_SUCCESS) {
72 if (on( SMB_DEBUG, ctrl )) {
73 _log_err( LOG_DEBUG, "acct: could not identify user" );
77 if (on( SMB_DEBUG, ctrl )) {
78 _log_err( LOG_DEBUG, "acct: username [%s] obtained", name );
81 /* Getting into places that might use LDAP -- protect the app
82 from a SIGPIPE it's not expecting */
83 oldsig_handler = CatchSignal(SIGPIPE, SIGNAL_CAST SIG_IGN);
84 if (!initialize_password_db(True, NULL)) {
85 _log_err( LOG_ALERT, "Cannot access samba password database" );
86 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
87 return PAM_AUTHINFO_UNAVAIL;
90 /* Get the user's record. */
92 if (!(sampass = samu_new( NULL ))) {
93 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
95 return nt_status_to_pam(NT_STATUS_NO_MEMORY);
98 if (!pdb_getsampwnam(sampass, name )) {
99 _log_err( LOG_DEBUG, "acct: could not identify user" );
100 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
101 return PAM_USER_UNKNOWN;
104 /* check for lookup failure */
105 if (!strlen(pdb_get_username(sampass)) ) {
106 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
107 return PAM_USER_UNKNOWN;
110 if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
111 if (on( SMB_DEBUG, ctrl )) {
113 , "acct: account %s is administratively disabled", name );
115 make_remark( pamh, ctrl, PAM_ERROR_MSG
116 , "Your account has been disabled; "
117 "please see your system administrator." );
119 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
120 return PAM_ACCT_EXPIRED;
123 /* TODO: support for expired passwords. */
125 CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
129 /* static module data */
131 struct pam_module _pam_smbpass_acct_modstruct = {