-/*
+/*
* Unix SMB/CIFS implementation.
* account policy storage
* Copyright (C) Jean François Micouleau 1998-2001.
* Copyright (C) Andrew Bartlett 2002
* Copyright (C) Guenther Deschner 2004-2005
- *
+ *
* 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
+ * 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-static TDB_CONTEXT *tdb;
+static struct db_context *db;
/* cache all entries for 60 seconds for to save ldap-queries (cache is updated
* after this period if admins do not use pdbedit or usermanager but manipulate
* ldap directly) - gd */
#define DATABASE_VERSION 3
-#define AP_LASTSET "LAST_CACHE_UPDATE"
#define AP_TTL 60
};
static const struct ap_table account_policy_names[] = {
- {AP_MIN_PASSWORD_LEN, "min password length", MINPASSWDLENGTH,
- "Minimal password length (default: 5)",
+ {AP_MIN_PASSWORD_LEN, "min password length", MINPASSWDLENGTH,
+ "Minimal password length (default: 5)",
"sambaMinPwdLength" },
{AP_PASSWORD_HISTORY, "password history", 0,
- "Length of Password History Entries (default: 0 => off)",
+ "Length of Password History Entries (default: 0 => off)",
"sambaPwdHistoryLength" },
-
+
{AP_USER_MUST_LOGON_TO_CHG_PASS, "user must logon to change password", 0,
"Force Users to logon for password change (default: 0 => off, 2 => on)",
"sambaLogonToChgPwd" },
-
+
{AP_MAX_PASSWORD_AGE, "maximum password age", (uint32) -1,
- "Maximum password age, in seconds (default: -1 => never expire passwords)",
+ "Maximum password age, in seconds (default: -1 => never expire passwords)",
"sambaMaxPwdAge" },
-
+
{AP_MIN_PASSWORD_AGE,"minimum password age", 0,
- "Minimal password age, in seconds (default: 0 => allow immediate password change)",
+ "Minimal password age, in seconds (default: 0 => allow immediate password change)",
"sambaMinPwdAge" },
-
+
{AP_LOCK_ACCOUNT_DURATION, "lockout duration", 30,
"Lockout duration in minutes (default: 30, -1 => forever)",
"sambaLockoutDuration" },
-
+
{AP_RESET_COUNT_TIME, "reset count minutes", 30,
- "Reset time after lockout in minutes (default: 30)",
+ "Reset time after lockout in minutes (default: 30)",
"sambaLockoutObservationWindow" },
-
+
{AP_BAD_ATTEMPT_LOCKOUT, "bad lockout attempt", 0,
- "Lockout users after bad logon attempts (default: 0 => off)",
+ "Lockout users after bad logon attempts (default: 0 => off)",
"sambaLockoutThreshold" },
-
+
{AP_TIME_TO_LOGOUT, "disconnect time", (uint32) -1,
- "Disconnect Users outside logon hours (default: -1 => off, 0 => on)",
- "sambaForceLogoff" },
-
+ "Disconnect Users outside logon hours (default: -1 => off, 0 => on)",
+ "sambaForceLogoff" },
+
{AP_REFUSE_MACHINE_PW_CHANGE, "refuse machine password change", 0,
"Allow Machine Password changes (default: 0 => off)",
"sambaRefuseMachinePwdChange" },
-
+
{0, NULL, 0, "", NULL}
};
-char *account_policy_names_list(void)
+void account_policy_names_list(const char ***names, int *num_names)
{
- char *nl, *p;
- int i;
- size_t len = 0;
+ const char **nl;
+ int i, count;
- for (i=0; account_policy_names[i].string; i++) {
- len += strlen(account_policy_names[i].string) + 1;
+ for (count=0; account_policy_names[count].string; count++) {
}
- len++;
- nl = (char *)SMB_MALLOC(len);
+ nl = SMB_MALLOC_ARRAY(const char *, count);
if (!nl) {
- return NULL;
+ *num_names = 0;
+ return;
}
- p = nl;
for (i=0; account_policy_names[i].string; i++) {
- memcpy(p, account_policy_names[i].string, strlen(account_policy_names[i].string) + 1);
- p[strlen(account_policy_names[i].string)] = '\n';
- p += strlen(account_policy_names[i].string) + 1;
+ nl[i] = account_policy_names[i].string;
}
- *p = '\0';
- return nl;
+ *num_names = count;
+ *names = nl;
+ return;
}
/****************************************************************************
return 0;
}
-/*****************************************************************************
-Update LAST-Set counter inside the cache
-*****************************************************************************/
-
-static BOOL account_policy_cache_timestamp(uint32 *value, BOOL update,
- const char *ap_name)
-{
- pstring key;
- uint32 val = 0;
- time_t now;
-
- if (ap_name == NULL)
- return False;
-
- slprintf(key, sizeof(key)-1, "%s/%s", ap_name, AP_LASTSET);
-
- if (!init_account_policy()) {
- return False;
- }
-
- if (!tdb_fetch_uint32(tdb, key, &val) && !update) {
- DEBUG(10,("failed to get last set timestamp of cache\n"));
- return False;
- }
-
- *value = val;
-
- DEBUG(10, ("account policy cache lastset was: %s\n", http_timestring(val)));
-
- if (update) {
-
- now = time(NULL);
-
- if (!tdb_store_uint32(tdb, key, (uint32)now)) {
- DEBUG(1, ("tdb_store_uint32 failed for %s\n", key));
- return False;
- }
- DEBUG(10, ("account policy cache lastset now: %s\n", http_timestring(now)));
- *value = now;
- }
-
- return True;
-}
-
/*****************************************************************************
Get default value for account policy
*****************************************************************************/
-BOOL account_policy_get_default(int account_policy, uint32 *val)
+bool account_policy_get_default(int account_policy, uint32 *val)
{
int i;
for (i=0; account_policy_names[i].field; i++) {
return True;
}
}
- DEBUG(0,("no default for account_policy index %d found. This should never happen\n",
+ DEBUG(0,("no default for account_policy index %d found. This should never happen\n",
account_policy));
return False;
}
Set default for a field if it is empty
*****************************************************************************/
-static BOOL account_policy_set_default_on_empty(int account_policy)
+static bool account_policy_set_default_on_empty(int account_policy)
{
uint32 value;
- if (!account_policy_get(account_policy, &value) &&
+ if (!account_policy_get(account_policy, &value) &&
!account_policy_get_default(account_policy, &value)) {
return False;
}
Open the account policy tdb.
***`*************************************************************************/
-BOOL init_account_policy(void)
+bool init_account_policy(void)
{
const char *vstring = "INFO/version";
uint32 version;
int i;
- if (tdb) {
+ if (db != NULL) {
return True;
}
- tdb = tdb_open_log(lock_path("account_policy.tdb"), 0, TDB_DEFAULT, O_RDWR, 0600);
- if (!tdb) { /* the account policies files does not exist or open failed, try to create a new one */
- tdb = tdb_open_log(lock_path("account_policy.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
- if (!tdb) {
+ db = db_open(NULL, state_path("account_policy.tdb"), 0, TDB_DEFAULT,
+ O_RDWR, 0600);
+
+ if (db == NULL) { /* the account policies files does not exist or open
+ * failed, try to create a new one */
+ db = db_open(NULL, state_path("account_policy.tdb"), 0,
+ TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ if (db == NULL) {
DEBUG(0,("Failed to open account policy database\n"));
return False;
}
- /* creation was successful */
- /* add AP_MIGRATED_TO_PASSDB speacial key */
- /* so that you do not need to migrate policies */
- /* on brand new servers as it does not make sense */
- account_policy_migrated(True);
+ }
+
+ version = dbwrap_fetch_int32(db, vstring);
+ if (version == DATABASE_VERSION) {
+ return true;
}
/* handle a Samba upgrade */
- tdb_lock_bystring(tdb, vstring);
- if (!tdb_fetch_uint32(tdb, vstring, &version) || version != DATABASE_VERSION) {
- tdb_store_uint32(tdb, vstring, DATABASE_VERSION);
+ if (db->transaction_start(db) != 0) {
+ DEBUG(0, ("transaction_start failed\n"));
+ TALLOC_FREE(db);
+ return false;
+ }
+
+ version = dbwrap_fetch_int32(db, vstring);
+ if (version == DATABASE_VERSION) {
+ /*
+ * Race condition
+ */
+ if (db->transaction_cancel(db)) {
+ smb_panic("transaction_cancel failed");
+ }
+ return true;
+ }
+
+ if (version != DATABASE_VERSION) {
+ if (dbwrap_store_uint32(db, vstring, DATABASE_VERSION) != 0) {
+ DEBUG(0, ("dbwrap_store_uint32 failed\n"));
+ goto cancel;
+ }
for (i=0; account_policy_names[i].field; i++) {
if (!account_policy_set_default_on_empty(account_policy_names[i].field)) {
DEBUG(0,("failed to set default value in account policy tdb\n"));
- return False;
+ goto cancel;
}
}
}
- tdb_unlock_bystring(tdb, vstring);
-
/* These exist by default on NT4 in [HKLM\SECURITY\Policy\Accounts] */
privilege_create_account( &global_sid_World );
}
}
+ if (db->transaction_commit(db) != 0) {
+ DEBUG(0, ("transaction_commit failed\n"));
+ TALLOC_FREE(db);
+ return false;
+ }
+
return True;
+
+ cancel:
+ if (db->transaction_cancel(db)) {
+ smb_panic("transaction_cancel failed");
+ }
+ TALLOC_FREE(db);
+
+ return false;
}
/*****************************************************************************
-Get an account policy (from tdb)
+Get an account policy (from tdb)
*****************************************************************************/
-BOOL account_policy_get(int field, uint32 *value)
+bool account_policy_get(int field, uint32 *value)
{
- fstring name;
+ const char *name;
uint32 regval;
if (!init_account_policy()) {
*value = 0;
}
- fstrcpy(name, decode_account_policy_name(field));
- if (!*name) {
+ name = decode_account_policy_name(field);
+ if (name == NULL) {
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, ®val)) {
+
+ if (!dbwrap_fetch_uint32(db, name, ®val)) {
DEBUG(1, ("account_policy_get: tdb_fetch_uint32 failed for field %d (%s), returning 0\n", field, name));
return False;
}
-
+
if (value) {
*value = regval;
}
/****************************************************************************
-Set an account policy (in tdb)
+Set an account policy (in tdb)
****************************************************************************/
-BOOL account_policy_set(int field, uint32 value)
+bool account_policy_set(int field, uint32 value)
{
- fstring name;
+ const char *name;
+ NTSTATUS status;
if (!init_account_policy()) {
return False;
}
- fstrcpy(name, decode_account_policy_name(field));
- if (!*name) {
+ name = decode_account_policy_name(field);
+ if (name == NULL) {
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\n", field, name, value));
+ status = dbwrap_trans_store_uint32(db, name, value);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("store_uint32 failed for field %d (%s) on value "
+ "%u: %s\n", field, name, value, nt_errstr(status)));
return False;
}
DEBUG(10,("account_policy_set: name: %s, value: %d\n", name, value));
-
+
return True;
}
/****************************************************************************
-Set an account policy in the cache
+Set an account policy in the cache
****************************************************************************/
-BOOL cache_account_policy_set(int field, uint32 value)
+bool cache_account_policy_set(int field, uint32 value)
{
- uint32 lastset;
const char *policy_name = NULL;
+ char *cache_key = NULL;
+ char *cache_value = NULL;
+ bool ret = False;
policy_name = decode_account_policy_name(field);
if (policy_name == NULL) {
return False;
}
- DEBUG(10,("cache_account_policy_set: updating account pol cache\n"));
-
- if (!account_policy_set(field, value)) {
- return False;
+ if (asprintf(&cache_key, "ACCT_POL/%s", policy_name) < 0) {
+ DEBUG(0, ("asprintf failed\n"));
+ goto done;
}
- if (!account_policy_cache_timestamp(&lastset, True, policy_name))
- {
- DEBUG(10,("cache_account_policy_set: failed to get lastest cache update timestamp\n"));
- return False;
+ if (asprintf(&cache_value, "%lu\n", (unsigned long)value) < 0) {
+ DEBUG(0, ("asprintf failed\n"));
+ goto done;
}
- DEBUG(10,("cache_account_policy_set: cache valid until: %s\n", http_timestring(lastset+AP_TTL)));
+ DEBUG(10,("cache_account_policy_set: updating account pol cache\n"));
+
+ ret = gencache_set(cache_key, cache_value, time(NULL)+AP_TTL);
- return True;
+ done:
+ SAFE_FREE(cache_key);
+ SAFE_FREE(cache_value);
+ return ret;
}
/*****************************************************************************
-Check whether account policies have been migrated to passdb
+Get an account policy from the cache
*****************************************************************************/
-BOOL account_policy_migrated(BOOL init)
+bool cache_account_policy_get(int field, uint32 *value)
{
- pstring key;
- uint32 val;
- time_t now;
-
- slprintf(key, sizeof(key)-1, "AP_MIGRATED_TO_PASSDB");
-
- if (!init_account_policy()) {
- return False;
- }
-
- if (init) {
- now = time(NULL);
-
- if (!tdb_store_uint32(tdb, key, (uint32)now)) {
- DEBUG(1, ("tdb_store_uint32 failed for %s\n", key));
- return False;
- }
-
- return True;
- }
+ const char *policy_name = NULL;
+ char *cache_key = NULL;
+ char *cache_value = NULL;
+ bool ret = False;
- if (!tdb_fetch_uint32(tdb, key, &val)) {
+ policy_name = decode_account_policy_name(field);
+ if (policy_name == NULL) {
+ DEBUG(0,("cache_account_policy_set: no policy found\n"));
return False;
}
- return True;
-}
-
-/*****************************************************************************
- Remove marker that informs that account policies have been migrated to passdb
-*****************************************************************************/
-
-BOOL remove_account_policy_migrated(void)
-{
- if (!init_account_policy()) {
- return False;
+ if (asprintf(&cache_key, "ACCT_POL/%s", policy_name) < 0) {
+ DEBUG(0, ("asprintf failed\n"));
+ goto done;
}
- return tdb_delete_bystring(tdb, "AP_MIGRATED_TO_PASSDB");
-}
-
-
-/*****************************************************************************
-Get an account policy from the cache
-*****************************************************************************/
-
-BOOL cache_account_policy_get(int field, uint32 *value)
-{
- uint32 lastset;
-
- if (!account_policy_cache_timestamp(&lastset, False,
- decode_account_policy_name(field)))
- {
- DEBUG(10,("cache_account_policy_get: failed to get latest cache update timestamp\n"));
- return False;
+ if (gencache_get(cache_key, &cache_value, NULL)) {
+ uint32 tmp = strtoul(cache_value, NULL, 10);
+ *value = tmp;
+ ret = True;
}
- if ((lastset + AP_TTL) < (uint32)time(NULL) ) {
- DEBUG(10,("cache_account_policy_get: no valid cache entry (cache expired)\n"));
- return False;
- }
-
- return account_policy_get(field, value);
+ done:
+ SAFE_FREE(cache_key);
+ SAFE_FREE(cache_value);
+ return ret;
}
-
/****************************************************************************
****************************************************************************/
-TDB_CONTEXT *get_account_pol_tdb( void )
+struct db_context *get_account_pol_db( void )
{
- if ( !tdb ) {
+ if ( db == NULL ) {
if ( !init_account_policy() ) {
return NULL;
}
}
- return tdb;
+ return db;
}
git.samba.org / ira / wip.git / blobdiff