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-rw-r--r--source3/lib/account_pol.c424
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 )