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authorVolker Lendecke <vl@samba.org>2008-03-28 12:09:56 +0100
committerStefan Metzmacher <metze@samba.org>2008-04-01 14:04:23 +0200
commit9aa8d0c627773c1509b2beb1cf007a52c57d233e (patch)
treef5aff5eac14bd080e48cc9973d5d20631b24fc85
parent20dc21f4740588eb9ff95c223cc82bea7b3aa9f7 (diff)
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Convert account_pol.tdb to dbwrap
Signed-off-by: Stefan Metzmacher <metze@samba.org> (This used to be commit 0b36871a0d795183f0e9dc78b654788b1988f06e)
-rw-r--r--source3/lib/account_pol.c84
-rw-r--r--source3/lib/privileges.c39
2 files changed, 86 insertions, 37 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;
}
diff --git a/source3/lib/privileges.c b/source3/lib/privileges.c
index 509da80785..c1bb783fbc 100644
--- a/source3/lib/privileges.c
+++ b/source3/lib/privileges.c
@@ -39,7 +39,7 @@ typedef struct {
static bool get_privileges( const DOM_SID *sid, SE_PRIV *mask )
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
fstring tmp, keystr;
TDB_DATA data;
@@ -49,14 +49,14 @@ static bool get_privileges( const DOM_SID *sid, SE_PRIV *mask )
return False;
}
- if ( !tdb )
+ if ( db == NULL )
return False;
/* PRIV_<SID> (NULL terminated) as the key */
fstr_sprintf(keystr, "%s%s", PRIVPREFIX, sid_to_fstring(tmp, sid));
- data = tdb_fetch_bystring( tdb, keystr );
+ data = dbwrap_fetch_bystring( db, talloc_tos(), keystr );
if ( !data.dptr ) {
DEBUG(3, ("get_privileges: No privileges assigned to SID "
@@ -67,7 +67,7 @@ static bool get_privileges( const DOM_SID *sid, SE_PRIV *mask )
SMB_ASSERT( data.dsize == sizeof( SE_PRIV ) );
se_priv_copy( mask, (SE_PRIV*)data.dptr );
- SAFE_FREE(data.dptr);
+ TALLOC_FREE(data.dptr);
return True;
}
@@ -78,14 +78,14 @@ static bool get_privileges( const DOM_SID *sid, SE_PRIV *mask )
static bool set_privileges( const DOM_SID *sid, SE_PRIV *mask )
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
fstring tmp, keystr;
TDB_DATA data;
if ( !lp_enable_privileges() )
return False;
- if ( !tdb )
+ if ( db == NULL )
return False;
if ( !sid || (sid->num_auths == 0) ) {
@@ -102,7 +102,8 @@ static bool set_privileges( const DOM_SID *sid, SE_PRIV *mask )
data.dptr = (uint8 *)mask;
data.dsize = sizeof(SE_PRIV);
- return ( tdb_store_bystring(tdb, keystr, data, TDB_REPLACE) != -1 );
+ return NT_STATUS_IS_OK(dbwrap_store_bystring(db, keystr, data,
+ TDB_REPLACE));
}
/*********************************************************************
@@ -136,10 +137,10 @@ bool get_privileges_for_sids(SE_PRIV *privileges, DOM_SID *slist, int scount)
/*********************************************************************
- travseral functions for privilege_enumerate_accounts
+ traversal functions for privilege_enumerate_accounts
*********************************************************************/
-static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
+static int priv_traverse_fn(struct db_record *rec, void *state)
{
PRIV_SID_LIST *priv = (PRIV_SID_LIST *)state;
int prefixlen = strlen(PRIVPREFIX);
@@ -148,12 +149,12 @@ static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *s
/* easy check first */
- if ( data.dsize != sizeof(SE_PRIV) )
+ if (rec->value.dsize != sizeof(SE_PRIV) )
return 0;
/* check we have a PRIV_+SID entry */
- if ( strncmp((const char *)key.dptr, PRIVPREFIX, prefixlen) != 0)
+ if ( strncmp((char *)rec->key.dptr, PRIVPREFIX, prefixlen) != 0)
return 0;
/* check to see if we are looking for a particular privilege */
@@ -161,7 +162,7 @@ static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *s
if ( !se_priv_equal(&priv->privilege, &se_priv_none) ) {
SE_PRIV mask;
- se_priv_copy( &mask, (SE_PRIV*)data.dptr );
+ se_priv_copy( &mask, (SE_PRIV*)rec->value.dptr );
/* if the SID does not have the specified privilege
then just return */
@@ -170,7 +171,7 @@ static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *s
return 0;
}
- fstrcpy( sid_string, (const char *)&key.dptr[strlen(PRIVPREFIX)] );
+ fstrcpy( sid_string, (char *)&(rec->key.dptr[strlen(PRIVPREFIX)]) );
/* this is a last ditch safety check to preventing returning
and invalid SID (i've somehow run into this on development branches) */
@@ -200,10 +201,10 @@ static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *s
NTSTATUS privilege_enumerate_accounts(DOM_SID **sids, int *num_sids)
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
PRIV_SID_LIST priv;
- if (!tdb) {
+ if (db == NULL) {
return NT_STATUS_ACCESS_DENIED;
}
@@ -211,7 +212,7 @@ NTSTATUS privilege_enumerate_accounts(DOM_SID **sids, int *num_sids)
se_priv_copy( &priv.privilege, &se_priv_none );
- tdb_traverse( tdb, priv_traverse_fn, &priv);
+ db->traverse_read(db, priv_traverse_fn, &priv);
/* give the memory away; caller will free */
@@ -228,10 +229,10 @@ NTSTATUS privilege_enumerate_accounts(DOM_SID **sids, int *num_sids)
NTSTATUS privilege_enum_sids(const SE_PRIV *mask, TALLOC_CTX *mem_ctx,
DOM_SID **sids, int *num_sids)
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
PRIV_SID_LIST priv;
- if (!tdb) {
+ if (db == NULL) {
return NT_STATUS_ACCESS_DENIED;
}
@@ -240,7 +241,7 @@ NTSTATUS privilege_enum_sids(const SE_PRIV *mask, TALLOC_CTX *mem_ctx,
se_priv_copy(&priv.privilege, mask);
priv.mem_ctx = mem_ctx;
- tdb_traverse( tdb, priv_traverse_fn, &priv);
+ db->traverse_read(db, priv_traverse_fn, &priv);
/* give the memory away; caller will free */