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-rw-r--r--source3/lib/account_pol.c84
1 files changed, 66 insertions, 18 deletions
diff --git a/source3/lib/account_pol.c b/source3/lib/account_pol.c
index 2540b49314..46fbc3b7c5 100644
--- a/source3/lib/account_pol.c
+++ b/source3/lib/account_pol.c
@@ -20,7 +20,7 @@
*/
#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
@@ -208,36 +208,62 @@ bool init_account_policy(void)
uint32 version;
int i;
- if (tdb) {
+ if (db != NULL) {
return True;
}
- tdb = tdb_open_log(state_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(state_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;
}
}
+ 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 );
@@ -255,7 +281,20 @@ bool init_account_policy(void)
}
}
+ if (db->transaction_commit(db) != 0) {
+ DEBUG(0, ("transaction_commit failed\n"));
+ goto cancel;
+ }
+
return True;
+
+ cancel:
+ if (db->transaction_cancel(db)) {
+ smb_panic("transaction_cancel failed");
+ }
+ TALLOC_FREE(db);
+
+ return false;
}
/*****************************************************************************
@@ -281,7 +320,7 @@ bool account_policy_get(int field, uint32 *value)
return False;
}
- if (!tdb_fetch_uint32(tdb, name, &regval)) {
+ if (!dbwrap_fetch_uint32(db, name, &regval)) {
DEBUG(1, ("account_policy_get: tdb_fetch_uint32 failed for field %d (%s), returning 0\n", field, name));
return False;
}
@@ -302,6 +341,8 @@ Set an account policy (in tdb)
bool account_policy_set(int field, uint32 value)
{
const char *name;
+ uint32_t v_store;
+ NTSTATUS status;
if (!init_account_policy()) {
return False;
@@ -313,8 +354,15 @@ bool account_policy_set(int field, uint32 value)
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));
+ SIVAL(&v_store, 0, value);
+
+ status = dbwrap_trans_store_bystring(
+ db, name,
+ make_tdb_data((const uint8 *)&v_store, sizeof(v_store)),
+ TDB_REPLACE);
+ 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;
}
@@ -397,15 +445,15 @@ bool cache_account_policy_get(int field, uint32 *value)
/****************************************************************************
****************************************************************************/
-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;
}