add prelocal table to manipulate locally destinated traffic

[project/netifd.git] / wireless.c

diff --git a/wireless.c b/wireless.c
index 33fab45..fbd6191 100644 (file)
--- a/wireless.c
+++ b/wireless.c
@@ -240,8 +240,14 @@ wireless_device_run_handler(struct wireless_device *wdev, bool up)
        int fds[2] = { -1, -1 };
 
        D(WIRELESS, "Wireless device '%s' run %s handler\n", wdev->name, action);
-       prepare_config(wdev, &b, up);
-       config = blobmsg_format_json(b.head, true);
+       if (!up && wdev->prev_config) {
+               config = blobmsg_format_json(wdev->prev_config, true);
+               free(wdev->prev_config);
+               wdev->prev_config = NULL;
+       } else {
+               prepare_config(wdev, &b, up);
+               config = blobmsg_format_json(b.head, true);
+       }
 
        argv[i++] = wdev->drv->script;
        argv[i++] = wdev->drv->name;
@@ -273,6 +279,8 @@ __wireless_device_set_up(struct wireless_device *wdev)
        if (wdev->state != IFS_DOWN || config_init)
                return;
 
+       free(wdev->prev_config);
+       wdev->prev_config = NULL;
        wdev->state = IFS_SETUP;
        wireless_device_run_handler(wdev, true);
 }
@@ -283,6 +291,7 @@ wireless_device_free(struct wireless_device *wdev)
        vlist_flush_all(&wdev->interfaces);
        avl_delete(&wireless_devices.avl, &wdev->node.avl);
        free(wdev->config);
+       free(wdev->prev_config);
        free(wdev);
 }
 
@@ -422,6 +431,16 @@ wdev_set_config_state(struct wireless_device *wdev, enum interface_config_state
 }
 
 static void
+wdev_prepare_prev_config(struct wireless_device *wdev)
+{
+       if (wdev->prev_config)
+               return;
+
+       prepare_config(wdev, &b, false);
+       wdev->prev_config = blob_memdup(b.head);
+}
+
+static void
 wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
 {
        struct blob_attr *new_config = wd_new->config;
@@ -429,6 +448,7 @@ wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
 
        free(wd_new);
 
+       wdev_prepare_prev_config(wdev);
        if (blob_attr_equal(wdev->config, new_config) && wdev->disabled == disabled)
                return;
 
@@ -544,7 +564,8 @@ vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
                wdev = vif_new->wdev;
 
        if (vif_old && vif_new) {
-               vif_old->section = vif_new->section;
+               free((void *) vif_old->section);
+               vif_old->section = strdup(vif_new->section);
                if (blob_attr_equal(vif_old->config, vif_new->config)) {
                        free(vif_new);
                        return;
@@ -557,10 +578,12 @@ vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
                free(vif_new);
        } else if (vif_new) {
                D(WIRELESS, "Create new wireless interface %s on device %s\n", vif_new->name, wdev->name);
+               vif_new->section = strdup(vif_new->section);
                vif_new->config = blob_memdup(vif_new->config);
                wireless_interface_init_config(vif_new);
        } else if (vif_old) {
                D(WIRELESS, "Delete wireless interface %s on device %s\n", vif_old->name, wdev->name);
+               free((void *) vif_old->section);
                free(vif_old->config);
                free(vif_old);
        }
@@ -660,7 +683,7 @@ void wireless_interface_create(struct wireless_device *wdev, struct blob_attr *d
        struct wireless_interface *vif;
        struct blob_attr *tb[__VIF_ATTR_MAX];
        struct blob_attr *cur;
-       char *name_buf, *section_buf;
+       char *name_buf;
        char name[8];
 
        blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(data), blob_len(data));
@@ -672,12 +695,11 @@ void wireless_interface_create(struct wireless_device *wdev, struct blob_attr *d
        sprintf(name, "%d", wdev->vif_idx++);
 
        vif = calloc_a(sizeof(*vif),
-                      &name_buf, strlen(name) + 1,
-                      &section_buf, strlen(section) + 1);
+                      &name_buf, strlen(name) + 1);
        vif->name = strcpy(name_buf, name);
        vif->wdev = wdev;
        vif->config = data;
-       vif->section = strcpy(section_buf, section);
+       vif->section = section;
        vlist_add(&wdev->interfaces, &vif->node, vif->name);
 }
 
@@ -691,8 +713,7 @@ wireless_interface_status(struct wireless_interface *iface, struct blob_buf *b)
                blobmsg_add_string(b, "section", iface->section);
        if (iface->ifname)
                blobmsg_add_string(b, "ifname", iface->ifname);
-       if (iface->data)
-               blob_put_raw(b, blob_data(iface->data), blob_len(iface->data));
+       put_container(b, iface->config, "config");
        blobmsg_close_table(b, i);
 }
 
@@ -707,6 +728,7 @@ wireless_device_status(struct wireless_device *wdev, struct blob_buf *b)
        blobmsg_add_u8(b, "pending", wdev->state == IFS_SETUP || wdev->state == IFS_TEARDOWN);
        blobmsg_add_u8(b, "autostart", wdev->autostart);
        blobmsg_add_u8(b, "disabled", wdev->disabled);
+       put_container(b, wdev->config, "config");
 
        i = blobmsg_open_array(b, "interfaces");
        vlist_for_each_element(&wdev->interfaces, iface, node)