static NTSTATUS idmap_tdb_init_hwm(struct idmap_domain *dom)
{
uint32_t low_uid;
uint32_t low_gid;
bool update_uid = false;
bool update_gid = false;
struct idmap_tdb_common_context *ctx;
NTSTATUS status;
ctx = talloc_get_type(dom->private_data,
struct idmap_tdb_common_context);
status = dbwrap_fetch_uint32_bystring(ctx->db, HWM_USER, &low_uid);
if (!NT_STATUS_IS_OK(status) || low_uid < dom->low_id) {
update_uid = true;
}
status = dbwrap_fetch_uint32_bystring(ctx->db, HWM_GROUP, &low_gid);
if (!NT_STATUS_IS_OK(status) || low_gid < dom->low_id) {
update_gid = true;
}
if (!update_uid && !update_gid) {
return NT_STATUS_OK;
}
if (dbwrap_transaction_start(ctx->db) != 0) {
DEBUG(0, ("Unable to start upgrade transaction!\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
if (update_uid) {
status = dbwrap_store_uint32_bystring(ctx->db, HWM_USER,
dom->low_id);
if (!NT_STATUS_IS_OK(status)) {
dbwrap_transaction_cancel(ctx->db);
DEBUG(0, ("Unable to initialise user hwm in idmap "
"database: %s\n", nt_errstr(status)));
return NT_STATUS_INTERNAL_DB_ERROR;
}
}
if (update_gid) {
status = dbwrap_store_uint32_bystring(ctx->db, HWM_GROUP,
dom->low_id);
if (!NT_STATUS_IS_OK(status)) {
dbwrap_transaction_cancel(ctx->db);
DEBUG(0, ("Unable to initialise group hwm in idmap "
"database: %s\n", nt_errstr(status)));
return NT_STATUS_INTERNAL_DB_ERROR;
}
}
if (dbwrap_transaction_commit(ctx->db) != 0) {
DEBUG(0, ("Unable to commit upgrade transaction!\n"));
return NT_STATUS_INTERNAL_DB_ERROR;
}
return NT_STATUS_OK;
}
static bool tdbsam_upgrade_next_rid(struct db_context *db)
{
TDB_CONTEXT *tdb;
uint32 rid;
bool ok = false;
NTSTATUS status;
status = dbwrap_fetch_uint32_bystring(db, NEXT_RID_STRING, &rid);
if (NT_STATUS_IS_OK(status)) {
return true;
}
tdb = tdb_open_log(state_path("winbindd_idmap.tdb"), 0,
TDB_DEFAULT, O_RDONLY, 0644);
if (tdb) {
ok = tdb_fetch_uint32(tdb, "RID_COUNTER", &rid);
if (!ok) {
rid = BASE_RID;
}
tdb_close(tdb);
} else {
rid = BASE_RID;
}
status = dbwrap_store_uint32_bystring(db, NEXT_RID_STRING, rid);
if (!NT_STATUS_IS_OK(status)) {
return false;
}
return true;
}
static int dbwrap_tool_fetch_uint32(struct db_context *db,
const char *keyname,
const char *data)
{
uint32_t value;
NTSTATUS ret;
ret = dbwrap_fetch_uint32_bystring(db, keyname, &value);
if (NT_STATUS_IS_OK(ret)) {
d_printf("%u\n", value);
return 0;
} else {
d_fprintf(stderr, "ERROR: could not fetch uint32 key '%s': "
"%s\n", nt_errstr(ret), keyname);
return -1;
}
}
static NTSTATUS idmap_tdb_common_allocate_id_action(struct db_context *db,
void *private_data)
{
NTSTATUS ret;
struct idmap_tdb_common_allocate_id_context *state;
uint32_t hwm;
state = (struct idmap_tdb_common_allocate_id_context *)private_data;
ret = dbwrap_fetch_uint32_bystring(db, state->hwmkey, &hwm);
if (!NT_STATUS_IS_OK(ret)) {
ret = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
/* check it is in the range */
if (hwm > state->high_hwm) {
DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
state->hwmtype, (unsigned long)state->high_hwm));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* fetch a new id and increment it */
ret = dbwrap_change_uint32_atomic_bystring(db, state->hwmkey, &hwm, 1);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(1, ("Fatal error while fetching a new %s value\n!",
state->hwmtype));
goto done;
}
/* recheck it is in the range */
if (hwm > state->high_hwm) {
DEBUG(1, ("Fatal Error: %s range full!! (max: %lu)\n",
state->hwmtype, (unsigned long)state->high_hwm));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
ret = NT_STATUS_OK;
state->hwm = hwm;
done:
return ret;
}
NTSTATUS smb2srv_open_lookup_replay_cache(struct smbXsrv_connection *conn,
const struct GUID *create_guid,
NTTIME now, /* TODO: needed ? */
struct smbXsrv_open **_open)
{
NTSTATUS status;
char *guid_string;
struct GUID_txt_buf buf;
uint32_t local_id = 0;
struct smbXsrv_open_table *table = conn->client->open_table;
struct db_context *db = table->local.replay_cache_db_ctx;
if (GUID_all_zero(create_guid)) {
return NT_STATUS_NOT_FOUND;
}
guid_string = GUID_buf_string(create_guid, &buf);
if (guid_string == NULL) {
return NT_STATUS_INVALID_PARAMETER;
}
status = dbwrap_fetch_uint32_bystring(db, guid_string, &local_id);
if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
return status;
}
if (!NT_STATUS_IS_OK(status)) {
DBG_ERR("failed to fetch local_id from replay cache: %s\n",
nt_errstr(status));
return status;
}
status = smbXsrv_open_local_lookup(table, local_id, 0, /* global_id */
now, _open);
if (!NT_STATUS_IS_OK(status)) {
DBG_ERR("smbXsrv_open_local_lookup failed for local_id %u\n",
(unsigned)local_id);
}
return status;
}
