uci: tighten uci reorder operation error handling

- Return UBUS_STATUS_INVALID_ARGUMENT for invalid section names
- Return UBUS_STATUS_NOT_FOUND if a section name could not be resolved
This commit is contained in:
Jo-Philipp Wich 2018-08-08 23:28:34 +02:00
parent f91751b767
commit 41333abee4

16
uci.c
View file

@ -1131,7 +1131,7 @@ rpc_uci_order(struct ubus_context *ctx, struct ubus_object *obj,
struct blob_attr *cur; struct blob_attr *cur;
struct uci_package *p = NULL; struct uci_package *p = NULL;
struct uci_ptr ptr = { 0 }; struct uci_ptr ptr = { 0 };
int rem, i = 0; int rem, i = 0, err = 0;
blobmsg_parse(rpc_uci_order_policy, __RPC_O_MAX, tb, blobmsg_parse(rpc_uci_order_policy, __RPC_O_MAX, tb,
blob_data(msg), blob_len(msg)); blob_data(msg), blob_len(msg));
@ -1150,21 +1150,33 @@ rpc_uci_order(struct ubus_context *ctx, struct ubus_object *obj,
blobmsg_for_each_attr(cur, tb[RPC_O_SECTIONS], rem) blobmsg_for_each_attr(cur, tb[RPC_O_SECTIONS], rem)
{ {
if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
{
if (!err)
err = UBUS_STATUS_INVALID_ARGUMENT;
continue; continue;
}
ptr.s = NULL; ptr.s = NULL;
ptr.section = blobmsg_data(cur); ptr.section = blobmsg_data(cur);
if (uci_lookup_ptr(cursor, &ptr, NULL, true) || !ptr.s) if (uci_lookup_ptr(cursor, &ptr, NULL, true) || !ptr.s)
{
if (!err)
err = UBUS_STATUS_NOT_FOUND;
continue; continue;
}
uci_reorder_section(cursor, ptr.s, i++); uci_reorder_section(cursor, ptr.s, i++);
} }
if (!err)
uci_save(cursor, p); uci_save(cursor, p);
uci_unload(cursor, p); uci_unload(cursor, p);
return rpc_uci_status(); return err ? err : rpc_uci_status();
} }
static void static void