add db_subscr_update_aud_by_id(), complete db_subscr_delete_by_id()

Add ability to add and remove auc_2g and auc_3g table rows with
db_subscr_update_aud_by_id().

In db_subscr_delete_by_id(), make sure that when deleting a subscriber, also
all auth data associated with that user ID is removed as well. A newly created
subscriber must not obtain the same auth tokens just by getting the same id.

Depends: libosmocore Idf75946eb0a84e145adad13fc7c78bb7a267aa0a
Change-Id: Icb11b5e059fb920447a9aa414db1819a0c020529
diff --git a/src/db.c b/src/db.c
index 2b2c2c4..4136e39 100644
--- a/src/db.c
+++ b/src/db.c
@@ -61,6 +61,14 @@
 	[DB_STMT_SUBSCR_CREATE] = "INSERT INTO subscriber (imsi) VALUES ($imsi)",
 	[DB_STMT_DEL_BY_ID] = "DELETE FROM subscriber WHERE id = $subscriber_id",
 	[DB_STMT_SET_MSISDN_BY_IMSI] = "UPDATE subscriber SET msisdn = $msisdn WHERE imsi = $imsi",
+	[DB_STMT_AUC_2G_INSERT] =
+		"INSERT INTO auc_2g (subscriber_id, algo_id_2g, ki)"
+		" VALUES($subscriber_id, $algo_id_2g, $ki)",
+	[DB_STMT_AUC_2G_DELETE] = "DELETE FROM auc_2g WHERE subscriber_id = $subscriber_id",
+	[DB_STMT_AUC_3G_INSERT] =
+		"INSERT INTO auc_3g (subscriber_id, algo_id_3g, k, op, opc, ind_bitlen)"
+		" VALUES($subscriber_id, $algo_id_3g, $k, $op, $opc, $ind_bitlen)",
+	[DB_STMT_AUC_3G_DELETE] = "DELETE FROM auc_3g WHERE subscriber_id = $subscriber_id",
 };
 
 static void sql3_error_log_cb(void *arg, int err_code, const char *msg)