r5349: After talking with Jerry, reverted the addition of account policies to

passdb in 3_0 (they are still in trunk).

Guenther
(This used to be commit fdf9bdbbac1d8d4f3b3e1fc7e49c1e659b9301b1)

1 files changed, 99 insertions, 325 deletions

diff --git a/source3/lib/account_pol.c b/source3/lib/account_pol.c
index f6e3943993..5997d9180a 100644
--- a/source3/lib/account_pol.c
+++ b/source3/lib/account_pol.c
@@ -3,7 +3,6 @@
  *  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
@@ -23,14 +22,7 @@
 #include "includes.h"
 static TDB_CONTEXT *tdb; 
 
-/* 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_MIGRATED 		"ACCOUNT POLICIES WERE MIGRATED TO PASSDB"
-#define AP_TTL			60
+#define DATABASE_VERSION 2
 
 extern DOM_SID global_sid_World;
 extern DOM_SID global_sid_Builtin_Administrators;
@@ -40,35 +32,100 @@ extern DOM_SID global_sid_Builtin_Print_Operators;
 extern DOM_SID global_sid_Builtin_Backup_Operators;
 
 
-struct ap_table {
+/****************************************************************************
+ Set default for a field if it is empty
+****************************************************************************/
+
+static void set_default_on_empty(int field, uint32 value)
+{
+	if (account_policy_get(field, NULL))
+		return;
+	account_policy_set(field, value);
+	return;
+}
+
+/****************************************************************************
+ Open the account policy tdb.
+****************************************************************************/
+
+BOOL init_account_policy(void)
+{
+	const char *vstring = "INFO/version";
+	uint32 version;
+
+	if (tdb)
+		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;
+	}
+
+	/* handle a Samba upgrade */
+	tdb_lock_bystring(tdb, vstring,0);
+	if (!tdb_fetch_uint32(tdb, vstring, &version) || version != DATABASE_VERSION) {
+		tdb_store_uint32(tdb, vstring, DATABASE_VERSION);
+		
+		set_default_on_empty(
+			AP_MIN_PASSWORD_LEN, 
+			MINPASSWDLENGTH);/* 5 chars minimum             */
+		set_default_on_empty(
+			AP_PASSWORD_HISTORY, 
+			0);		/* don't keep any old password	*/
+		set_default_on_empty(
+			AP_USER_MUST_LOGON_TO_CHG_PASS, 
+			0);		/* don't force user to logon	*/
+		set_default_on_empty(
+			AP_MAX_PASSWORD_AGE, 
+			(uint32)-1);	/* don't expire			*/
+		set_default_on_empty(
+			AP_MIN_PASSWORD_AGE, 
+			0);		/* 0 days                      */
+		set_default_on_empty(
+			AP_LOCK_ACCOUNT_DURATION, 
+			30);		/* lockout for 30 minutes      */
+		set_default_on_empty(
+			AP_RESET_COUNT_TIME, 
+			30);		/* reset after 30 minutes      */
+		set_default_on_empty(
+			AP_BAD_ATTEMPT_LOCKOUT, 
+			0);		/* don't lockout               */
+		set_default_on_empty(
+			AP_TIME_TO_LOGOUT, 
+			-1);		/* don't force logout          */
+		set_default_on_empty(
+			AP_REFUSE_MACHINE_PW_CHANGE, 
+			0);		/* allow machine pw changes    */
+	}
+	tdb_unlock_bystring(tdb, vstring);
+
+	/* These exist by default on NT4 in [HKLM\SECURITY\Policy\Accounts] */
+
+	privilege_create_account( &global_sid_World );
+	privilege_create_account( &global_sid_Builtin_Administrators );
+	privilege_create_account( &global_sid_Builtin_Account_Operators );
+	privilege_create_account( &global_sid_Builtin_Server_Operators );
+	privilege_create_account( &global_sid_Builtin_Print_Operators );
+	privilege_create_account( &global_sid_Builtin_Backup_Operators );
+	
+	return True;
+}
+
+static const struct {
 	int field;
 	const char *string;
-	uint32 default_val;
-	const char *comment;
-};
-
-static const struct ap_table account_policy_names[] = {
-	{AP_MIN_PASSWORD_LEN, "min password length", MINPASSWDLENGTH, 
-		"Minimal password length (default: 5)"},
-	{AP_PASSWORD_HISTORY, "password history", 0,
-		"Length of Password History Entries (default: 0 => off)" },
-	{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)"},
-	{AP_MAX_PASSWORD_AGE, "maximum password age", (uint32)-1,
-		"Maximum password age, in seconds (default: -1 => never expire passwords)"},
-	{AP_MIN_PASSWORD_AGE,"minimum password age", 0,
-		"Minimal password age, in seconds (default: 0 => allow immediate password change)"},
-	{AP_LOCK_ACCOUNT_DURATION, "lockout duration", 30,
-		"Lockout duration in minutes (default: 30, -1 => forever)"},
-	{AP_RESET_COUNT_TIME, "reset count minutes", 30,
-		"Reset time after lockout in minutes (default: 30)"},
-	{AP_BAD_ATTEMPT_LOCKOUT, "bad lockout attempt", 0,
-		"Lockout users after bad logon attempts (default: 0 => off)"},
-	{AP_TIME_TO_LOGOUT, "disconnect time", -1,
-		"Disconnect Users outside logon hours (default: -1 => off, 0 => on)"}, 
-	{AP_REFUSE_MACHINE_PW_CHANGE, "refuse machine password change", 0,
-		"Allow Machine Password changes (default: 0 => off)"},
-	{0, NULL, 0, ""}
+} 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 (seconds since 1970)"},
+	{AP_MIN_PASSWORD_AGE,"minimum password age (seconds since 1970)"},
+	{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"},
+	{AP_REFUSE_MACHINE_PW_CHANGE, "refuse machine password change"},
+	{0, NULL}
 };
 
 char *account_policy_names_list(void)
@@ -99,7 +156,7 @@ char *account_policy_names_list(void)
 Get the account policy name as a string from its #define'ed number
 ****************************************************************************/
 
-const char *decode_account_policy_name(int field)
+static const char *decode_account_policy_name(int field)
 {
 	int i;
 	for (i=0; account_policy_names[i].string; i++) {
@@ -111,21 +168,6 @@ const char *decode_account_policy_name(int field)
 }
 
 /****************************************************************************
-Get the account policy comment as a string from its #define'ed number
-****************************************************************************/
-
-const char *account_policy_get_comment(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].comment;
-	}
-	return NULL;
-
-}
-
-/****************************************************************************
 Get the account policy name as a string from its #define'ed number
 ****************************************************************************/
 
@@ -140,222 +182,15 @@ int account_policy_name_to_fieldnum(const char *name)
 
 }
 
-/*****************************************************************************
-Update LAST-Set counter inside the cache
-*****************************************************************************/
-
-static BOOL account_policy_cache_timestamp(uint32 *value, BOOL update)
-{
-	pstring key;
-	uint32 val = 0;
-	time_t now;
-
-	slprintf(key, sizeof(key)-1, "%s", 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)
-{
-	int i;
-	for (i=0; account_policy_names[i].field; i++) {
-		if (account_policy_names[i].field == account_policy) {
-			*val = account_policy_names[i].default_val;
-			return True;
-		}
-	}
-	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)
-{
-
-	uint32 value;
-
-	if (!account_policy_get(account_policy, &value) && 
-	    !account_policy_get_default(account_policy, &value)) {
-		return False;
-	}
-
-	return account_policy_set(account_policy, value);
-}
-
-/*****************************************************************************
-Check migration success, set marker if required
-*****************************************************************************/
-
-static BOOL already_migrated_account_policies(BOOL store_migration_success)
-{
-	pstring key;
-	uint32 value;
-
-	slprintf(key, sizeof(key)-1, "%s", AP_MIGRATED);
-
-	if (tdb_fetch_uint32(tdb, key, &value)) {
-		return True;
-	}
-
-	if (store_migration_success) {
-
-		if (!tdb_store_uint32(tdb, key, 1)) {
-			DEBUG(1, ("tdb_store_uint32 failed for %s\n", key));
-			return False;
-		}
-		return True;
-	}
-
-	return False;
-}
-
-/*****************************************************************************
-Migrate account policies to passdb
-*****************************************************************************/
-
-static BOOL migrate_account_policy_names_to_passdb(void)
-{
-	int i, tmp_val;
-	BOOL got_pol;
-
-	if (already_migrated_account_policies(False)) {
-		return True;
-	}
-
-	DEBUG(1,("start migrating account policies into passdb\n"));
-
-	for (i=1; decode_account_policy_name(i) != NULL; i++) {
-
-		got_pol = False;
-
-		if (pdb_get_account_policy(i, &tmp_val)) {
-			DEBUG(10,("account policy already in passdb\n"));
-			got_pol = True;
-		}
-
-		if (!got_pol && !account_policy_get(i, &tmp_val)) {
-			DEBUG(0,("very weird: could not get value for account policy\n"));
-			return False;
-		}
-
-		DEBUGADD(1,("\tmigrating account policy (#%d: %s with value: %d) to passdb\n", 
-			i, decode_account_policy_name(i), tmp_val));
-
-		/* set policy via new passdb api */
-		if (!pdb_set_account_policy(i, tmp_val)) {
-			DEBUG(0,("failed to set account_policy\n"));
-			return False;
-		}
-
-	}
-
-	if (!already_migrated_account_policies(True)) {
-		DEBUG(0,("could not store marker for account policy migration in the tdb\n"));
-		return False;
-	}
-		
-	DEBUGADD(1,("succesfully migrated account policies into passdb\n"));
-
-	return True;
-}
-
-/*****************************************************************************
- Open the account policy tdb.
-***`*************************************************************************/
-
-BOOL init_account_policy(void)
-{
-
-	const char *vstring = "INFO/version";
-	uint32 version;
-	int i;
-
-	if (tdb)
-		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;
-	}
-
-	/* handle a Samba upgrade */
-	tdb_lock_bystring(tdb, vstring,0);
-	if (!tdb_fetch_uint32(tdb, vstring, &version) || version != DATABASE_VERSION) {
-
-		tdb_store_uint32(tdb, vstring, DATABASE_VERSION);
-
-		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;
-			}
-		}
-	}
-
-	if (!migrate_account_policy_names_to_passdb()) {
-		DEBUG(0,("Could not migrate account policy tdb to passdb.\n"));
-		return False;
-	}
-
-	tdb_unlock_bystring(tdb, vstring);
-
-	/* These exist by default on NT4 in [HKLM\SECURITY\Policy\Accounts] */
-
-	privilege_create_account( &global_sid_World );
-	privilege_create_account( &global_sid_Builtin_Administrators );
-	privilege_create_account( &global_sid_Builtin_Account_Operators );
-	privilege_create_account( &global_sid_Builtin_Server_Operators );
-	privilege_create_account( &global_sid_Builtin_Print_Operators );
-	privilege_create_account( &global_sid_Builtin_Backup_Operators );
-
-	return True;
-}
-
-/*****************************************************************************
-Internal function
-*****************************************************************************/
+/****************************************************************************
+****************************************************************************/
 
 BOOL account_policy_get(int field, uint32 *value)
 {
 	fstring name;
 	uint32 regval;
 
-	if (!init_account_policy())
-		return False;
+	if(!init_account_policy())return False;
 
 	if (value)
 		*value = 0;
@@ -378,15 +213,12 @@ BOOL account_policy_get(int field, uint32 *value)
 
 
 /****************************************************************************
-Get an account policy from a (migrated tdb)
 ****************************************************************************/
-
 BOOL account_policy_set(int field, uint32 value)
 {
 	fstring name;
 
-	if (!init_account_policy())
-		return False;
+	if(!init_account_policy())return False;
 
 	fstrcpy(name, decode_account_policy_name(field));
 	if (!*name) {
@@ -395,7 +227,7 @@ BOOL account_policy_set(int field, uint32 value)
 	}
 
 	if (!tdb_store_uint32(tdb, name, value)) {
-		DEBUG(1, ("tdb_store_uint32 failed for field %d (%s) on value %u\n", field, name, value));
+		DEBUG(1, ("tdb_store_uint32 failed for field %d (%s) on value %u", field, name, value));
 		return False;
 	}
 
@@ -405,64 +237,6 @@ BOOL account_policy_set(int field, uint32 value)
 }
 
 /****************************************************************************
-Set an account policy in the cache 
-****************************************************************************/
-
-BOOL cache_account_policy_set(int field, uint32 value)
-{
-	uint32 lastset, i;
-
-	for (i=0; account_policy_names[i].field; i++) {
-
-		if (account_policy_names[i].field == field) {
-
-			DEBUG(10,("cache_account_policy_set: updating account pol cache\n"));
-
-			if (!account_policy_set(field, value)) {
-				return False;
-			}
-
-			if (!account_policy_cache_timestamp(&lastset, True)) {
-				DEBUG(10,("cache_account_policy_set: failed to get lastest cache update timestamp\n"));
-				return False;
-			}
-
-			DEBUG(10,("cache_account_policy_set: cache valid until: %s\n", http_timestring(lastset+AP_TTL)));
-		}
-	}
-
-	return True;
-}
-
-/*****************************************************************************
-Get an account policy from the cache 
-*****************************************************************************/
-
-BOOL cache_account_policy_get(int field, uint32 *value)
-{
-	uint32 lastset, i;
-
-	if (!account_policy_cache_timestamp(&lastset, False)) {
-		DEBUG(10,("cache_account_policy_get: failed to get latest cache update timestamp\n"));
-		return False;
-	}
-
-	if ((lastset + AP_TTL) < (uint32)time(NULL) ) {
-		DEBUG(10,("cache_account_policy_get: no valid cache entry (cache expired)\n"));
-		return False;
-	} 
-
-	for (i=0; account_policy_names[i].field; i++) {
-		if (account_policy_names[i].field == field) {
-			return account_policy_get(field, value);
-		}
-	}
-
-	return False;
-}
-
-
-/****************************************************************************
 ****************************************************************************/
 
 TDB_CONTEXT *get_account_pol_tdb( void )