hostapd: add ubus reload
[openwrt/staging/jow.git] / package / network / services / hostapd / src / wpa_supplicant / ubus.c
index 5fdb57be7a0e3a971ee8cfcde4e9a1d0d489cece..9a98979e9a8f3cf49d1b6353095a34f7a3dfaad6 100644 (file)
@@ -20,6 +20,11 @@ static struct ubus_context *ctx;
 static struct blob_buf b;
 static int ctx_ref;
 
+static inline struct wpa_global *get_wpa_global_from_object(struct ubus_object *obj)
+{
+       return container_of(obj, struct wpa_global, ubus_global);
+}
+
 static inline struct wpa_supplicant *get_wpas_from_object(struct ubus_object *obj)
 {
        return container_of(obj, struct wpa_supplicant, ubus.obj);
@@ -95,6 +100,19 @@ wpas_bss_get_features(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+static int
+wpas_bss_reload(struct ubus_context *ctx, struct ubus_object *obj,
+               struct ubus_request_data *req, const char *method,
+               struct blob_attr *msg)
+{
+       struct wpa_supplicant *wpa_s = get_wpas_from_object(obj);
+
+       if (wpa_supplicant_reload_configuration(wpa_s))
+               return UBUS_STATUS_UNKNOWN_ERROR;
+       else
+               return 0;
+}
+
 #ifdef CONFIG_WPS
 enum {
        WPS_START_MULTI_AP,
@@ -146,11 +164,12 @@ wpas_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
 #endif
 
 static const struct ubus_method bss_methods[] = {
+       UBUS_METHOD_NOARG("reload", wpas_bss_reload),
+       UBUS_METHOD_NOARG("get_features", wpas_bss_get_features),
 #ifdef CONFIG_WPS
        UBUS_METHOD_NOARG("wps_start", wpas_bss_wps_start),
        UBUS_METHOD_NOARG("wps_cancel", wpas_bss_wps_cancel),
 #endif
-       UBUS_METHOD_NOARG("get_features", wpas_bss_get_features),
 };
 
 static struct ubus_object_type bss_object_type =
@@ -162,8 +181,6 @@ void wpas_ubus_add_bss(struct wpa_supplicant *wpa_s)
        char *name;
        int ret;
 
-       if (!wpas_ubus_init())
-               return;
 
        if (asprintf(&name, "wpa_supplicant.%s", wpa_s->ifname) < 0)
                return;
@@ -192,6 +209,159 @@ void wpas_ubus_free_bss(struct wpa_supplicant *wpa_s)
        free(name);
 }
 
+enum {
+       WPAS_CONFIG_DRIVER,
+       WPAS_CONFIG_IFACE,
+       WPAS_CONFIG_BRIDGE,
+       WPAS_CONFIG_HOSTAPD_CTRL,
+       WPAS_CONFIG_CTRL,
+       WPAS_CONFIG_FILE,
+       __WPAS_CONFIG_MAX
+};
+
+static const struct blobmsg_policy wpas_config_add_policy[__WPAS_CONFIG_MAX] = {
+       [WPAS_CONFIG_DRIVER] = { "driver", BLOBMSG_TYPE_STRING },
+       [WPAS_CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
+       [WPAS_CONFIG_BRIDGE] = { "bridge", BLOBMSG_TYPE_STRING },
+       [WPAS_CONFIG_HOSTAPD_CTRL] = { "hostapd_ctrl", BLOBMSG_TYPE_STRING },
+       [WPAS_CONFIG_CTRL] = { "ctrl", BLOBMSG_TYPE_STRING },
+       [WPAS_CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
+};
+
+static int
+wpas_config_add(struct ubus_context *ctx, struct ubus_object *obj,
+               struct ubus_request_data *req, const char *method,
+               struct blob_attr *msg)
+{
+       struct blob_attr *tb[__WPAS_CONFIG_MAX];
+       struct wpa_global *global = get_wpa_global_from_object(obj);
+       struct wpa_interface *iface;
+
+       blobmsg_parse(wpas_config_add_policy, __WPAS_CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
+
+       if (!tb[WPAS_CONFIG_FILE] || !tb[WPAS_CONFIG_IFACE] || !tb[WPAS_CONFIG_DRIVER])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       iface = os_zalloc(sizeof(struct wpa_interface));
+       if (iface == NULL)
+               return UBUS_STATUS_UNKNOWN_ERROR;
+
+       iface->driver = blobmsg_get_string(tb[WPAS_CONFIG_DRIVER]);
+       iface->ifname = blobmsg_get_string(tb[WPAS_CONFIG_IFACE]);
+       iface->confname = blobmsg_get_string(tb[WPAS_CONFIG_FILE]);
+
+       if (tb[WPAS_CONFIG_BRIDGE])
+               iface->bridge_ifname = blobmsg_get_string(tb[WPAS_CONFIG_BRIDGE]);
+
+       if (tb[WPAS_CONFIG_CTRL])
+               iface->ctrl_interface = blobmsg_get_string(tb[WPAS_CONFIG_CTRL]);
+
+       if (tb[WPAS_CONFIG_HOSTAPD_CTRL])
+               iface->hostapd_ctrl = blobmsg_get_string(tb[WPAS_CONFIG_HOSTAPD_CTRL]);
+
+       if (!wpa_supplicant_add_iface(global, iface, NULL))
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       return UBUS_STATUS_OK;
+}
+
+enum {
+       WPAS_CONFIG_REM_IFACE,
+       __WPAS_CONFIG_REM_MAX
+};
+
+static const struct blobmsg_policy wpas_config_remove_policy[__WPAS_CONFIG_REM_MAX] = {
+       [WPAS_CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
+};
+
+static int
+wpas_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
+                  struct ubus_request_data *req, const char *method,
+                  struct blob_attr *msg)
+{
+       struct blob_attr *tb[__WPAS_CONFIG_REM_MAX];
+       struct wpa_global *global = get_wpa_global_from_object(obj);
+       struct wpa_supplicant *wpa_s = NULL;
+       unsigned int found = 0;
+
+       blobmsg_parse(wpas_config_remove_policy, __WPAS_CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
+
+       if (!tb[WPAS_CONFIG_REM_IFACE])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       /* find wpa_s object for to-be-removed interface */
+       for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+               if (!strncmp(wpa_s->ifname,
+                            blobmsg_get_string(tb[WPAS_CONFIG_REM_IFACE]),
+                            sizeof(wpa_s->ifname)))
+               {
+                       found = 1;
+                       break;
+               }
+       }
+
+       if (!found)
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       if (wpa_supplicant_remove_iface(global, wpa_s, 0))
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       return UBUS_STATUS_OK;
+}
+
+static const struct ubus_method wpas_daemon_methods[] = {
+       UBUS_METHOD("config_add", wpas_config_add, wpas_config_add_policy),
+       UBUS_METHOD("config_remove", wpas_config_remove, wpas_config_remove_policy),
+};
+
+static struct ubus_object_type wpas_daemon_object_type =
+       UBUS_OBJECT_TYPE("wpa_supplicant", wpas_daemon_methods);
+
+void wpas_ubus_add(struct wpa_global *global)
+{
+       struct ubus_object *obj = &global->ubus_global;
+       int name_len;
+       int ret;
+
+       if (!wpas_ubus_init())
+               return;
+
+       name_len = strlen("wpa_supplicant") + 1;
+       if (global->params.name)
+               name_len += strlen(global->params.name) + 1;
+       obj->name = malloc(name_len);
+       strcpy(obj->name, "wpa_supplicant");
+
+       if (global->params.name)
+       {
+               strcat(obj->name, ".");
+               strcat(obj->name, global->params.name);
+       }
+
+       obj->type = &wpas_daemon_object_type;
+       obj->methods = wpas_daemon_object_type.methods;
+       obj->n_methods = wpas_daemon_object_type.n_methods;
+       ret = ubus_add_object(ctx, obj);
+       wpas_ubus_ref_inc();
+}
+
+void wpas_ubus_free(struct wpa_global *global)
+{
+       struct ubus_object *obj = &global->ubus_global;
+       char *name = (char *) obj->name;
+
+       if (!ctx)
+               return;
+
+       if (obj->id) {
+               ubus_remove_object(ctx, obj);
+               wpas_ubus_ref_dec();
+       }
+
+       free(name);
+}
+
+
 #ifdef CONFIG_WPS
 void wpas_ubus_notify(struct wpa_supplicant *wpa_s, const struct wps_credential *cred)
 {