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/*
* Unix SMB/CIFS implementation.
* account policy storage
* Copyright (C) Jean François Micouleau 1998-2001.
* Copyright (C) Andrew Bartlett 2002
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
static TDB_CONTEXT *tdb; /* used for driver files */
#define DATABASE_VERSION 1
/****************************************************************************
Open the account policy tdb.
****************************************************************************/
BOOL init_account_policy(void)
{
static pid_t local_pid;
const char *vstring = "INFO/version";
uint32 version;
if (tdb && local_pid == sys_getpid())
return True;
tdb = tdb_open_log(lock_path("account_policy.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (!tdb) {
DEBUG(0,("Failed to open account policy database\n"));
return False;
}
local_pid = sys_getpid();
/* handle a Samba upgrade */
tdb_lock_bystring(tdb, vstring,0);
if (!tdb_fetch_uint32(tdb, vstring, &version) || version != DATABASE_VERSION) {
tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
tdb_store_uint32(tdb, vstring, DATABASE_VERSION);
account_policy_set(AP_MIN_PASSWORD_LEN, MINPASSWDLENGTH); /* 5 chars minimum */
account_policy_set(AP_PASSWORD_HISTORY, 0); /* don't keep any old password */
account_policy_set(AP_USER_MUST_LOGON_TO_CHG_PASS, 0); /* don't force user to logon */
account_policy_set(AP_MAX_PASSWORD_AGE, MAX_PASSWORD_AGE); /* 21 days */
account_policy_set(AP_MIN_PASSWORD_AGE, 0); /* 0 days */
account_policy_set(AP_LOCK_ACCOUNT_DURATION, 0); /* lockout for 0 minutes */
account_policy_set(AP_RESET_COUNT_TIME, 0); /* reset immediatly */
account_policy_set(AP_BAD_ATTEMPT_LOCKOUT, 0); /* don't lockout */
account_policy_set(AP_TIME_TO_LOGOUT, -1); /* don't force logout */
}
tdb_unlock_bystring(tdb, vstring);
return True;
}
static const struct {
int field;
const char *string;
} account_policy_names[] = {
{AP_MIN_PASSWORD_LEN, "min password length"},
{AP_PASSWORD_HISTORY, "password history"},
{AP_USER_MUST_LOGON_TO_CHG_PASS, "user must logon to change password"},
{AP_MAX_PASSWORD_AGE, "maximum password age"},
{AP_MIN_PASSWORD_AGE,"minimum password age"},
{AP_LOCK_ACCOUNT_DURATION, "lockout duration"},
{AP_RESET_COUNT_TIME, "reset count minutes"},
{AP_BAD_ATTEMPT_LOCKOUT, "bad lockout attempt"},
{AP_TIME_TO_LOGOUT, "disconnect time"},
{0, NULL}
};
/****************************************************************************
Get the account policy name as a string from its #define'ed number
****************************************************************************/
static const char *decode_account_policy_name(int field)
{
int i;
for (i=0; account_policy_names[i].string; i++) {
if (field == account_policy_names[i].field)
return account_policy_names[i].string;
}
return NULL;
}
/****************************************************************************
Get the account policy name as a string from its #define'ed number
****************************************************************************/
int account_policy_name_to_fieldnum(const char *name)
{
int i;
for (i=0; account_policy_names[i].string; i++) {
if (strcmp(name, account_policy_names[i].string) == 0)
return account_policy_names[i].field;
}
return 0;
}
/****************************************************************************
****************************************************************************/
BOOL account_policy_get(int field, uint32 *value)
{
fstring name;
if(!init_account_policy())return False;
*value = 0;
fstrcpy(name, decode_account_policy_name(field));
if (!*name) {
DEBUG(1, ("account_policy_get: Field %d is not a valid account policy type! Cannot get, returning 0.\n", field));
return False;
}
if (!tdb_fetch_uint32(tdb, name, value)) {
DEBUG(1, ("account_policy_get: tdb_fetch_uint32 failed for efild %d (%s), returning 0", field, name));
return False;
}
DEBUG(10,("account_policy_get: %s:%d\n", name, *value));
return True;
}
/****************************************************************************
****************************************************************************/
BOOL account_policy_set(int field, uint32 value)
{
fstring name;
if(!init_account_policy())return False;
fstrcpy(name, decode_account_policy_name(field));
if (!*name) {
DEBUG(1, ("Field %d is not a valid account policy type! Cannot set.\n", field));
return False;
}
if (!tdb_store_uint32(tdb, name, value)) {
DEBUG(1, ("tdb_store_uint32 failed for field %d (%s) on value %u", field, name, value));
return False;
}
DEBUG(10,("account_policy_set: %s:%d\n", name, value));
return True;
}
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