1 files changed, 144 insertions, 0 deletions
diff --git a/source3/pam_smbpass/pam_smb_acct.c b/source3/pam_smbpass/pam_smb_acct.c
new file mode 100644
index 0000000000..2a8bd26597
--- /dev/null
+++ b/source3/pam_smbpass/pam_smb_acct.c
@@ -0,0 +1,144 @@
+/* Unix NT password database implementation, version 0.7.5.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* indicate the following groups are defined */
+#define PAM_SM_ACCT
+
+#include "includes.h"
+
+#ifndef LINUX
+
+/* This is only used in the Sun implementation. */
+#if defined(HAVE_SECURITY_PAM_APPL_H)
+#include <security/pam_appl.h>
+#elif defined(HAVE_PAM_PAM_APPL_H)
+#include <pam/pam_appl.h>
+#endif
+
+#endif  /* LINUX */
+
+#if defined(HAVE_SECURITY_PAM_MODULES_H)
+#include <security/pam_modules.h>
+#elif defined(HAVE_PAM_PAM_MODULES_H)
+#include <pam/pam_modules.h>
+#endif
+
+#include "general.h"
+
+#include "support.h"
+
+
+/*
+ * pam_sm_acct_mgmt() verifies whether or not the account is disabled.
+ *
+ */
+
+int pam_sm_acct_mgmt( pam_handle_t *pamh, int flags,
+                      int argc, const char **argv )
+{
+	unsigned int ctrl;
+	int retval;
+
+	const char *name;
+	struct samu *sampass = NULL;
+	void (*oldsig_handler)(int);
+
+	/* Samba initialization. */
+	load_case_tables();
+	setup_logging( "pam_smbpass", False );
+        lp_set_in_client(True);
+
+	ctrl = set_ctrl( flags, argc, argv );
+
+	/* get the username */
+
+	retval = pam_get_user( pamh, &name, "Username: " );
+	if (retval != PAM_SUCCESS) {
+		if (on( SMB_DEBUG, ctrl )) {
+			_log_err( LOG_DEBUG, "acct: could not identify user" );
+		}
+		return retval;
+	}
+	if (on( SMB_DEBUG, ctrl )) {
+		_log_err( LOG_DEBUG, "acct: username [%s] obtained", name );
+	}
+
+	if (geteuid() != 0) {
+		_log_err( LOG_DEBUG, "Cannot access samba password database, not running as root.");
+		return PAM_AUTHINFO_UNAVAIL;
+	}
+
+	/* Getting into places that might use LDAP -- protect the app
+		from a SIGPIPE it's not expecting */
+	oldsig_handler = CatchSignal(SIGPIPE, SIGNAL_CAST SIG_IGN);
+	if (!initialize_password_db(True, NULL)) {
+		_log_err( LOG_ALERT, "Cannot access samba password database" );
+		CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+		return PAM_AUTHINFO_UNAVAIL;
+	}
+
+	/* Get the user's record. */
+
+	if (!(sampass = samu_new( NULL ))) {
+        	CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+		/* malloc fail. */
+		return nt_status_to_pam(NT_STATUS_NO_MEMORY);
+	}
+
+	if (!pdb_getsampwnam(sampass, name )) {
+		_log_err( LOG_DEBUG, "acct: could not identify user" );
+        	CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+        	return PAM_USER_UNKNOWN;
+	}
+
+	/* check for lookup failure */
+	if (!strlen(pdb_get_username(sampass)) ) {
+		CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+		return PAM_USER_UNKNOWN;
+	}
+
+	if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
+		if (on( SMB_DEBUG, ctrl )) {
+			_log_err( LOG_DEBUG
+				, "acct: account %s is administratively disabled", name );
+		}
+		make_remark( pamh, ctrl, PAM_ERROR_MSG
+			, "Your account has been disabled; "
+			"please see your system administrator." );
+
+		CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+		return PAM_ACCT_EXPIRED;
+	}
+
+	/* TODO: support for expired passwords. */
+
+	CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
+	return PAM_SUCCESS;
+}
+
+/* static module data */
+#ifdef PAM_STATIC
+struct pam_module _pam_smbpass_acct_modstruct = {
+     "pam_smbpass",
+     NULL,
+     NULL,
+     pam_sm_acct_mgmt,
+     NULL,
+     NULL,
+     NULL
+};
+#endif
+