split event sending from event forwarding

diff --git a/ubusd_event.c b/ubusd_event.c
index 7b4c35e..2943bfb 100644 (file)
--- a/ubusd_event.c
+++ b/ubusd_event.c
@@ -130,17 +130,6 @@ static int ubusd_alloc_event_pattern(struct ubus_client *cl, struct blob_attr *m
        return 0;
 }
 
-enum {
-       EVMSG_ID,
-       EVMSG_DATA,
-       EVMSG_LAST,
-};
-
-static struct blobmsg_policy ev_policy[] = {
-       [EVMSG_ID] = { .name = "id", .type = BLOBMSG_TYPE_STRING },
-       [EVMSG_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
-};
-
 static void ubusd_send_event_msg(struct ubus_msg_buf **ub, struct ubus_client *cl,
                                 struct ubus_object *obj, const char *id,
                                 struct blob_attr *msg)
@@ -184,21 +173,11 @@ bool strmatch_len(const char *s1, const char *s2, int *len)
        return false;
 }
 
-static int ubusd_send_event(struct ubus_client *cl, struct blob_attr *msg)
+static int ubusd_send_event(struct ubus_client *cl, const char *id,
+                           struct blob_attr *data, struct ubus_msg_buf *ub)
 {
-       struct ubus_msg_buf *ub = NULL;
        struct event_source *ev;
-       struct blob_attr *attr[EVMSG_LAST];
-       const char *id;
        int match_len = 0;
-       void *data;
-
-       blobmsg_parse(ev_policy, EVMSG_LAST, attr, blob_data(msg), blob_len(msg));
-       if (!attr[EVMSG_ID] || !attr[EVMSG_DATA])
-               return UBUS_STATUS_INVALID_ARGUMENT;
-
-       id = blobmsg_data(attr[EVMSG_ID]);
-       data = attr[EVMSG_DATA];
 
        list_for_each_entry(ev, &catch_all, catchall.list)
                ubusd_send_event_msg(&ub, cl, ev->obj, id, data);
@@ -238,13 +217,43 @@ static int ubusd_send_event(struct ubus_client *cl, struct blob_attr *msg)
        return 0;
 }
 
+enum {
+       EVMSG_ID,
+       EVMSG_DATA,
+       EVMSG_LAST,
+};
+
+static struct blobmsg_policy ev_policy[] = {
+       [EVMSG_ID] = { .name = "id", .type = BLOBMSG_TYPE_STRING },
+       [EVMSG_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
+};
+
+static int ubusd_forward_event(struct ubus_client *cl, struct blob_attr *msg)
+{
+       struct blob_attr *data;
+       struct blob_attr *attr[EVMSG_LAST];
+       const char *id;
+
+       blobmsg_parse(ev_policy, EVMSG_LAST, attr, blob_data(msg), blob_len(msg));
+       if (!attr[EVMSG_ID] || !attr[EVMSG_DATA])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       id = blobmsg_data(attr[EVMSG_ID]);
+       data = attr[EVMSG_DATA];
+
+       if (!strncmp(id, "ubus.", 5))
+               return UBUS_STATUS_PERMISSION_DENIED;
+
+       return ubusd_send_event(cl, id, data, NULL);
+}
+
 static int ubusd_event_recv(struct ubus_client *cl, const char *method, struct blob_attr *msg)
 {
        if (!strcmp(method, "register"))
                return ubusd_alloc_event_pattern(cl, msg);
 
        if (!strcmp(method, "send"))
-               return ubusd_send_event(cl, msg);
+               return ubusd_forward_event(cl, msg);
 
        return UBUS_STATUS_INVALID_COMMAND;
 }