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@@ -0,0 +1,863 @@
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+/*
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+ * netifd - network interface daemon
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+ * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ */
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+#include <signal.h>
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+#include "netifd.h"
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+#include "wireless.h"
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+#include "handler.h"
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+#include "ubus.h"
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+
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+#define WIRELESS_SETUP_RETRY 3
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+
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+struct vlist_tree wireless_devices;
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+struct avl_tree wireless_drivers;
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+static struct blob_buf b;
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+static int drv_fd;
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+
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+static const struct blobmsg_policy wdev_policy =
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+ { .name = "disabled", .type = BLOBMSG_TYPE_BOOL };
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+
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+static const struct uci_blob_param_list wdev_param = {
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+ .n_params = 1,
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+ .params = &wdev_policy,
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+};
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+
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+enum {
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+ VIF_ATTR_DISABLED,
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+ VIF_ATTR_NETWORK,
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+ __VIF_ATTR_MAX,
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+};
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+
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+static const struct blobmsg_policy vif_policy[__VIF_ATTR_MAX] = {
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+ [VIF_ATTR_DISABLED] = { .name = "disabled", .type = BLOBMSG_TYPE_BOOL },
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+ [VIF_ATTR_NETWORK] = { .name = "network", .type = BLOBMSG_TYPE_STRING },
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+};
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+
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+static const struct uci_blob_param_list vif_param = {
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+ .n_params = ARRAY_SIZE(vif_policy),
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+ .params = vif_policy,
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+};
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+
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+static void
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+put_container(struct blob_buf *buf, struct blob_attr *attr, const char *name)
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+{
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+ void *c = blobmsg_open_table(&b, name);
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+ blob_put_raw(&b, blob_data(attr), blob_len(attr));
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+ blobmsg_close_table(&b, c);
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+}
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+
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+static void
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+vif_config_add_bridge(struct blob_buf *buf, const char *network, bool prepare)
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+{
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+ struct interface *iface;
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+ struct device *dev;
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+
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+ if (!network)
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+ return;
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+
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+ iface = vlist_find(&interfaces, network, iface, node);
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+ if (!iface)
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+ return;
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+
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+ dev = iface->main_dev.dev;
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+ if (!dev)
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+ return;
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+
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+ if (dev->type != &bridge_device_type)
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+ return;
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+
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+ blobmsg_add_string(buf, "bridge", dev->ifname);
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+}
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+
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+static void
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+prepare_config(struct wireless_device *wdev, struct blob_buf *buf, bool up)
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+{
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+ struct wireless_interface *vif;
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+ void *l, *i;
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+
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+ blob_buf_init(&b, 0);
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+ put_container(&b, wdev->config, "config");
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+ if (wdev->data)
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+ blobmsg_add_blob(&b, wdev->data);
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+
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+ l = blobmsg_open_table(&b, "interfaces");
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+ vlist_for_each_element(&wdev->interfaces, vif, node) {
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+ i = blobmsg_open_table(&b, vif->name);
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+ vif_config_add_bridge(&b, vif->network, up);
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+ put_container(&b, vif->config, "config");
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+ if (vif->data)
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+ blobmsg_add_blob(&b, vif->data);
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+ blobmsg_close_table(&b, i);
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+ }
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+ blobmsg_close_table(&b, l);
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+}
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+
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+static bool
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+wireless_process_check(struct wireless_process *proc)
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+{
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+ return check_pid_path(proc->pid, proc->exe);
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+}
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+
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+static void
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+wireless_complete_kill_request(struct wireless_device *wdev)
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+{
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+ if (!wdev->kill_request)
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+ return;
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+
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+ ubus_complete_deferred_request(ubus_ctx, wdev->kill_request, 0);
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+ free(wdev->kill_request);
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+ wdev->kill_request = NULL;
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+}
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+
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+static void
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+wireless_process_free(struct wireless_device *wdev, struct wireless_process *proc)
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+{
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+ list_del(&proc->list);
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+ free(proc);
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+
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+ if (list_empty(&wdev->script_proc))
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+ wireless_complete_kill_request(wdev);
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+}
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+
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+static void
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+wireless_close_script_proc_fd(struct wireless_device *wdev)
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+{
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+ if (wdev->script_proc_fd.fd < 0)
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+ return;
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+
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+ uloop_fd_delete(&wdev->script_proc_fd);
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+ close(wdev->script_proc_fd.fd);
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+ wdev->script_proc_fd.fd = -1;
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+}
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+
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+static void
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+wireless_process_kill_all(struct wireless_device *wdev, int signal, bool free)
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+{
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+ struct wireless_process *proc, *tmp;
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+
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+ list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
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+ bool check = wireless_process_check(proc);
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+
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+ if (check)
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+ kill(proc->pid, signal);
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+
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+ if (free || !check)
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+ wireless_process_free(wdev, proc);
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+ }
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+
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+ if (free)
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+ wireless_close_script_proc_fd(wdev);
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+}
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+
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+static void
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+wireless_device_free_state(struct wireless_device *wdev)
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+{
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+ struct wireless_interface *vif;
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+
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+ wireless_complete_kill_request(wdev);
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+ free(wdev->data);
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+ wdev->data = NULL;
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+ vlist_for_each_element(&wdev->interfaces, vif, node) {
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+ free(vif->data);
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+ vif->data = NULL;
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+ vif->ifname = NULL;
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+ }
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+}
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+
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+static void wireless_interface_handle_link(struct wireless_interface *vif, bool up)
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+{
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+ struct interface *iface;
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+
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+ if (!vif->network || !vif->ifname)
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+ return;
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+
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+ iface = vlist_find(&interfaces, vif->network, iface, node);
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+ if (!iface)
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+ return;
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+
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+ interface_handle_link(iface, vif->ifname, up);
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+}
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+
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+static void
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+wireless_device_setup_cancel(struct wireless_device *wdev)
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+{
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+ if (wdev->cancel)
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+ return;
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+
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+ wdev->cancel = true;
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+ uloop_timeout_set(&wdev->timeout, 10 * 1000);
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+}
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+
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+static void
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+wireless_device_run_handler(struct wireless_device *wdev, bool up)
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+{
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+ const char *action = up ? "setup" : "teardown";
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+ const char *argv[6];
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+ char *config;
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+ int i = 0;
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+ int fds[2] = { -1, -1 };
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+
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+ prepare_config(wdev, &b, up);
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+ config = blobmsg_format_json(b.head, true);
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+
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+ argv[i++] = wdev->drv->script;
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+ argv[i++] = wdev->drv->name;
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+ argv[i++] = action;
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+ argv[i++] = wdev->name;
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+ argv[i++] = config;
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+ argv[i] = NULL;
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+
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+ if (up && pipe(fds) == 0) {
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+ wdev->script_proc_fd.fd = fds[0];
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+ uloop_fd_add(&wdev->script_proc_fd,
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+ ULOOP_READ | ULOOP_EDGE_TRIGGER);
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+ }
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+
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+ netifd_start_process(argv, NULL, &wdev->script_task);
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+
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+ if (fds[1] >= 0)
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+ close(fds[1]);
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+
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+ free(config);
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+}
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+
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+static void
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+__wireless_device_set_up(struct wireless_device *wdev)
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+{
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+ if (wdev->state != IFS_DOWN || config_init)
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+ return;
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+
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+ wdev->state = IFS_SETUP;
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+ wireless_device_run_handler(wdev, true);
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+}
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+
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+static void
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+wireless_device_mark_down(struct wireless_device *wdev)
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+{
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+ struct wireless_interface *vif;
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+
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+ vlist_for_each_element(&wdev->interfaces, vif, node)
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+ wireless_interface_handle_link(vif, false);
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+
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+ wireless_process_kill_all(wdev, SIGTERM, true);
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+
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+ wdev->state = IFS_DOWN;
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+ wireless_device_free_state(wdev);
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+
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+ if (wdev->autostart)
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+ __wireless_device_set_up(wdev);
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+}
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+
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+static void
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+wireless_device_mark_up(struct wireless_device *wdev)
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+{
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+ struct wireless_interface *vif;
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+
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+ wdev->state = IFS_UP;
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+ vlist_for_each_element(&wdev->interfaces, vif, node)
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+ wireless_interface_handle_link(vif, true);
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+}
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+
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+static void
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+wireless_device_setup_timeout(struct uloop_timeout *timeout)
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+{
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+ struct wireless_device *wdev = container_of(timeout, struct wireless_device, timeout);
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+
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+ netifd_kill_process(&wdev->script_task);
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+ wdev->script_task.cb(&wdev->script_task, -1);
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+ wireless_device_mark_down(wdev);
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+}
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+
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+void
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+wireless_device_set_up(struct wireless_device *wdev)
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+{
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+ wdev->retry = WIRELESS_SETUP_RETRY;
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+ wdev->autostart = true;
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+ __wireless_device_set_up(wdev);
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+}
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+
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+static void
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+__wireless_device_set_down(struct wireless_device *wdev)
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+{
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+ if (wdev->state == IFS_TEARDOWN || wdev->state == IFS_DOWN)
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+ return;
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+
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+ if (wdev->script_task.uloop.pending) {
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+ wireless_device_setup_cancel(wdev);
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+ return;
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+ }
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+
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+ wdev->state = IFS_TEARDOWN;
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+ wireless_device_run_handler(wdev, false);
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+}
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+
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+static void
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+wireless_device_retry_setup(struct wireless_device *wdev)
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+{
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+ if (--wdev->retry < 0)
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+ wdev->autostart = false;
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+
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+ __wireless_device_set_down(wdev);
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+}
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+
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+static void
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+wireless_device_script_task_cb(struct netifd_process *proc, int ret)
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+{
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+ struct wireless_device *wdev = container_of(proc, struct wireless_device, script_task);
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+
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+ switch (wdev->state) {
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+ case IFS_SETUP:
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+ wireless_device_retry_setup(wdev);
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+ break;
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+ case IFS_TEARDOWN:
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+ wireless_device_mark_down(wdev);
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+ break;
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+ default:
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+ break;
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+ }
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+}
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+
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+void
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+wireless_device_set_down(struct wireless_device *wdev)
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+{
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+ wdev->autostart = false;
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+ __wireless_device_set_down(wdev);
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+}
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+
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+static void
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+wireless_device_free(struct wireless_device *wdev)
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+{
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+ vlist_flush_all(&wdev->interfaces);
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+ free(wdev->config);
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+ free(wdev);
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+}
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+
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+static void
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+wdev_handle_config_change(struct wireless_device *wdev)
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+{
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+ switch(wdev->config_state) {
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+ case IFC_NORMAL:
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+ break;
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+ case IFC_RELOAD:
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+ if (wdev->autostart)
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+ __wireless_device_set_up(wdev);
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+ break;
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+ case IFC_REMOVE:
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+ wireless_device_free(wdev);
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+ break;
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+ }
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+}
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+
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+static void
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+wdev_set_config_state(struct wireless_device *wdev, enum interface_config_state s)
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+{
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+ enum interface_config_state old_state = wdev->config_state;
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+
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+ wdev->config_state = s;
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+ if (old_state != IFC_NORMAL)
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+ return;
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+
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+ if (wdev->state == IFS_DOWN)
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+ wdev_handle_config_change(wdev);
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+ else
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+ __wireless_device_set_down(wdev);
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+}
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+
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+static void
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+wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
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+{
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+ struct blob_attr *new_config = wd_new->config;
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+
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+ free(wd_new);
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+
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+ if (blob_attr_equal(wdev->config, new_config))
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+ return;
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+
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+ D(WIRELESS, "Update configuration of wireless device '%s'\n", wdev->name);
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+ free(wdev->config);
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+ wdev->config = blob_memdup(new_config);
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+ wdev_set_config_state(wdev, IFC_RELOAD);
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+}
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+
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+static void
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+wdev_create(struct wireless_device *wdev)
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+{
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+ wdev->retry = WIRELESS_SETUP_RETRY;
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+ wdev->config = blob_memdup(wdev->config);
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+}
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+
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+static void
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+wdev_update(struct vlist_tree *tree, struct vlist_node *node_new,
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+ struct vlist_node *node_old)
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+{
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+ struct wireless_device *wd_old = container_of(node_old, struct wireless_device, node);
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+ struct wireless_device *wd_new = container_of(node_new, struct wireless_device, node);
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+
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+ if (wd_old && wd_new) {
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+ wdev_change_config(wd_old, wd_new);
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+ } else if (wd_old) {
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+ D(WIRELESS, "Delete wireless device '%s'\n", wd_old->name);
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+ wdev_set_config_state(wd_old, IFC_REMOVE);
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+ } else if (wd_new) {
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+ D(WIRELESS, "Create wireless device '%s'\n", wd_new->name);
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+ wdev_create(wd_new);
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+ }
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+}
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+
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+static void
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+wireless_add_handler(const char *script, const char *name, json_object *obj)
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+{
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+ struct wireless_driver *drv;
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+ char *name_str, *script_str;
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+ json_object *dev_config_obj, *iface_config_obj;
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+ struct uci_blob_param_list *dev_config, *iface_config;
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+
|
|
|
+ dev_config_obj = json_get_field(obj, "device", json_type_array);
|
|
|
+ iface_config_obj = json_get_field(obj, "iface", json_type_array);
|
|
|
+
|
|
|
+ if (!dev_config_obj || !iface_config_obj)
|
|
|
+ return;
|
|
|
+
|
|
|
+ drv = calloc_a(sizeof(*drv),
|
|
|
+ &name_str, strlen(name) + 1,
|
|
|
+ &script_str, strlen(script) + 1,
|
|
|
+ &dev_config, sizeof(*dev_config) + sizeof(void *),
|
|
|
+ &iface_config, sizeof(*iface_config) + sizeof(void *));
|
|
|
+
|
|
|
+ drv->name = strcpy(name_str, name);
|
|
|
+ drv->script = strcpy(script_str, script);
|
|
|
+
|
|
|
+ dev_config->n_next = 1;
|
|
|
+ dev_config->next[0] = &wdev_param;
|
|
|
+ drv->device.config = dev_config;
|
|
|
+
|
|
|
+ iface_config->n_next = 1;
|
|
|
+ iface_config->next[0] = &vif_param;
|
|
|
+ drv->interface.config = iface_config;
|
|
|
+
|
|
|
+ drv->device.buf = netifd_handler_parse_config(drv->device.config, dev_config_obj);
|
|
|
+ drv->interface.buf = netifd_handler_parse_config(drv->interface.config, iface_config_obj);
|
|
|
+
|
|
|
+ drv->node.key = drv->name;
|
|
|
+ avl_insert(&wireless_drivers, &drv->node);
|
|
|
+ D(WIRELESS, "Add handler for script %s: %s\n", script, name);
|
|
|
+}
|
|
|
+
|
|
|
+static void __init
|
|
|
+wireless_init_list(void)
|
|
|
+{
|
|
|
+ vlist_init(&wireless_devices, avl_strcmp, wdev_update);
|
|
|
+ wireless_devices.keep_old = true;
|
|
|
+ wireless_devices.no_delete = true;
|
|
|
+
|
|
|
+ avl_init(&wireless_drivers, avl_strcmp, false, NULL);
|
|
|
+ drv_fd = netifd_open_subdir("wireless");
|
|
|
+ if (drv_fd < 0)
|
|
|
+ return;
|
|
|
+
|
|
|
+ netifd_init_script_handlers(drv_fd, wireless_add_handler);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+wireless_interface_init_config(struct wireless_interface *vif)
|
|
|
+{
|
|
|
+ struct blob_attr *tb[__VIF_ATTR_MAX];
|
|
|
+ struct blob_attr *cur;
|
|
|
+
|
|
|
+ vif->network = NULL;
|
|
|
+ blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(vif->config), blob_len(vif->config));
|
|
|
+
|
|
|
+ if ((cur = tb[VIF_ATTR_NETWORK]))
|
|
|
+ vif->network = blobmsg_data(cur);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
|
|
|
+ struct vlist_node *node_old)
|
|
|
+{
|
|
|
+ struct wireless_interface *vif_old = container_of(node_old, struct wireless_interface, node);
|
|
|
+ struct wireless_interface *vif_new = container_of(node_new, struct wireless_interface, node);
|
|
|
+ struct wireless_device *wdev;
|
|
|
+
|
|
|
+ if (vif_old)
|
|
|
+ wdev = vif_old->wdev;
|
|
|
+ else
|
|
|
+ wdev = vif_new->wdev;
|
|
|
+
|
|
|
+ if (vif_old && vif_new) {
|
|
|
+ if (blob_attr_equal(vif_old->config, vif_new->config)) {
|
|
|
+ free(vif_new);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ D(WIRELESS, "Update wireless interface %s on device %s\n", vif_new->name, wdev->name);
|
|
|
+ free(vif_old->config);
|
|
|
+ vif_old->config = blob_memdup(vif_new->config);
|
|
|
+ wireless_interface_init_config(vif_old);
|
|
|
+ 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->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(vif_old->config);
|
|
|
+ free(vif_old);
|
|
|
+ }
|
|
|
+
|
|
|
+ wdev_set_config_state(wdev, IFC_RELOAD);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+wireless_proc_poll_fd(struct uloop_fd *fd, unsigned int events)
|
|
|
+{
|
|
|
+ struct wireless_device *wdev = container_of(fd, struct wireless_device, script_proc_fd);
|
|
|
+ char buf[128];
|
|
|
+
|
|
|
+ while (1) {
|
|
|
+ int b = read(fd->fd, buf, sizeof(buf));
|
|
|
+ if (b < 0) {
|
|
|
+ if (errno == EINTR)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (errno == EAGAIN)
|
|
|
+ return;
|
|
|
+
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!b)
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+done:
|
|
|
+ uloop_timeout_set(&wdev->script_check, 0);
|
|
|
+ wireless_close_script_proc_fd(wdev);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+wireless_device_check_script_tasks(struct uloop_timeout *timeout)
|
|
|
+{
|
|
|
+ struct wireless_device *wdev = container_of(timeout, struct wireless_device, script_check);
|
|
|
+ struct wireless_process *proc, *tmp;
|
|
|
+ bool restart = false;
|
|
|
+
|
|
|
+ list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
|
|
|
+ if (wireless_process_check(proc))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (proc->required)
|
|
|
+ restart = true;
|
|
|
+
|
|
|
+ wireless_process_free(wdev, proc);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (restart)
|
|
|
+ wireless_device_retry_setup(wdev);
|
|
|
+ else
|
|
|
+ uloop_timeout_set(&wdev->script_check, 1000);
|
|
|
+}
|
|
|
+
|
|
|
+void
|
|
|
+wireless_device_create(struct wireless_driver *drv, const char *name, struct blob_attr *data)
|
|
|
+{
|
|
|
+ struct wireless_device *wdev;
|
|
|
+ char *name_buf;
|
|
|
+ struct blob_attr *disabled;
|
|
|
+
|
|
|
+ blobmsg_parse(&wdev_policy, 1, &disabled, blob_data(data), blob_len(data));
|
|
|
+ if (disabled && blobmsg_get_bool(disabled))
|
|
|
+ return;
|
|
|
+
|
|
|
+ wdev = calloc_a(sizeof(*wdev), &name_buf, strlen(name) + 1);
|
|
|
+ wdev->drv = drv;
|
|
|
+ wdev->state = IFS_DOWN;
|
|
|
+ wdev->config_state = IFC_NORMAL;
|
|
|
+ wdev->name = strcpy(name_buf, name);
|
|
|
+ wdev->config = data;
|
|
|
+ wdev->config_autostart = true;
|
|
|
+ wdev->autostart = wdev->config_autostart;
|
|
|
+ INIT_LIST_HEAD(&wdev->script_proc);
|
|
|
+ vlist_init(&wdev->interfaces, avl_strcmp, vif_update);
|
|
|
+ wdev->interfaces.keep_old = true;
|
|
|
+ wdev->interfaces.no_delete = true;
|
|
|
+ vlist_add(&wireless_devices, &wdev->node, wdev->name);
|
|
|
+
|
|
|
+ wdev->timeout.cb = wireless_device_setup_timeout;
|
|
|
+ wdev->script_task.cb = wireless_device_script_task_cb;
|
|
|
+ wdev->script_task.dir_fd = drv_fd;
|
|
|
+ wdev->script_task.log_prefix = wdev->name;
|
|
|
+
|
|
|
+ wdev->script_proc_fd.fd = -1;
|
|
|
+ wdev->script_proc_fd.cb = wireless_proc_poll_fd;
|
|
|
+
|
|
|
+ wdev->script_check.cb = wireless_device_check_script_tasks;
|
|
|
+}
|
|
|
+
|
|
|
+void wireless_interface_create(struct wireless_device *wdev, struct blob_attr *data)
|
|
|
+{
|
|
|
+ struct wireless_interface *vif;
|
|
|
+ struct blob_attr *tb[__VIF_ATTR_MAX];
|
|
|
+ struct blob_attr *cur;
|
|
|
+ char *name_buf;
|
|
|
+ char name[8];
|
|
|
+
|
|
|
+ blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(data), blob_len(data));
|
|
|
+
|
|
|
+ cur = tb[VIF_ATTR_DISABLED];
|
|
|
+ if (cur && blobmsg_get_bool(cur))
|
|
|
+ return;
|
|
|
+
|
|
|
+ sprintf(name, "%d", wdev->vif_idx++);
|
|
|
+
|
|
|
+ vif = calloc_a(sizeof(*vif), &name_buf, strlen(name) + 1);
|
|
|
+ vif->name = strcpy(name_buf, name);
|
|
|
+ vif->wdev = wdev;
|
|
|
+ vif->config = data;
|
|
|
+ vlist_add(&wdev->interfaces, &vif->node, vif->name);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+wireless_interface_status(struct wireless_interface *iface, struct blob_buf *b)
|
|
|
+{
|
|
|
+ void *i;
|
|
|
+
|
|
|
+ i = blobmsg_open_table(b, iface->name);
|
|
|
+ if (iface->data)
|
|
|
+ blob_put_raw(b, blob_data(iface->data), blob_len(iface->data));
|
|
|
+ blobmsg_close_table(b, i);
|
|
|
+}
|
|
|
+
|
|
|
+void
|
|
|
+wireless_device_status(struct wireless_device *wdev, struct blob_buf *b)
|
|
|
+{
|
|
|
+ struct wireless_interface *iface;
|
|
|
+ void *c, *i;
|
|
|
+
|
|
|
+ c = blobmsg_open_table(b, wdev->name);
|
|
|
+ blobmsg_add_u8(b, "up", wdev->state == IFS_UP);
|
|
|
+ blobmsg_add_u8(b, "pending", wdev->state == IFS_SETUP || wdev->state == IFS_TEARDOWN);
|
|
|
+ blobmsg_add_u8(b, "autostart", wdev->autostart);
|
|
|
+ i = blobmsg_open_table(b, "interfaces");
|
|
|
+ vlist_for_each_element(&wdev->interfaces, iface, node)
|
|
|
+ wireless_interface_status(iface, b);
|
|
|
+ blobmsg_close_table(b, i);
|
|
|
+ blobmsg_close_table(b, c);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+wireless_interface_set_data(struct wireless_interface *vif)
|
|
|
+{
|
|
|
+ enum {
|
|
|
+ VIF_DATA_IFNAME,
|
|
|
+ __VIF_DATA_MAX,
|
|
|
+ };
|
|
|
+ static const struct blobmsg_policy data_policy[__VIF_DATA_MAX] = {
|
|
|
+ [VIF_DATA_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
|
|
|
+ };
|
|
|
+ struct blob_attr *tb[__VIF_DATA_MAX];
|
|
|
+ struct blob_attr *cur;
|
|
|
+
|
|
|
+ blobmsg_parse(data_policy, __VIF_DATA_MAX, tb,
|
|
|
+ blobmsg_data(vif->data), blobmsg_data_len(vif->data));
|
|
|
+
|
|
|
+ if ((cur = tb[VIF_DATA_IFNAME]))
|
|
|
+ vif->ifname = blobmsg_data(cur);
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+wireless_device_add_process(struct wireless_device *wdev, struct blob_attr *data)
|
|
|
+{
|
|
|
+ enum {
|
|
|
+ PROC_ATTR_PID,
|
|
|
+ PROC_ATTR_EXE,
|
|
|
+ PROC_ATTR_REQUIRED,
|
|
|
+ __PROC_ATTR_MAX
|
|
|
+ };
|
|
|
+ static const struct blobmsg_policy proc_policy[__PROC_ATTR_MAX] = {
|
|
|
+ [PROC_ATTR_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
|
|
|
+ [PROC_ATTR_EXE] = { .name = "exe", .type = BLOBMSG_TYPE_STRING },
|
|
|
+ [PROC_ATTR_REQUIRED] = { .name = "required", .type = BLOBMSG_TYPE_BOOL },
|
|
|
+ };
|
|
|
+ struct blob_attr *tb[__PROC_ATTR_MAX];
|
|
|
+ struct wireless_process *proc;
|
|
|
+ char *name;
|
|
|
+
|
|
|
+ if (!data)
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ blobmsg_parse(proc_policy, __PROC_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
|
|
|
+ if (!tb[PROC_ATTR_PID] || !tb[PROC_ATTR_EXE])
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ proc = calloc_a(sizeof(*proc),
|
|
|
+ &name, strlen(blobmsg_data(tb[PROC_ATTR_EXE])) + 1);
|
|
|
+
|
|
|
+ proc->pid = blobmsg_get_u32(tb[PROC_ATTR_PID]);
|
|
|
+ proc->exe = strcpy(name, blobmsg_data(tb[PROC_ATTR_EXE]));
|
|
|
+
|
|
|
+ if (tb[PROC_ATTR_REQUIRED])
|
|
|
+ proc->required = blobmsg_get_bool(tb[PROC_ATTR_REQUIRED]);
|
|
|
+
|
|
|
+ list_add(&proc->list, &wdev->script_proc);
|
|
|
+ uloop_timeout_set(&wdev->script_check, 0);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+wireless_device_process_kill_all(struct wireless_device *wdev, struct blob_attr *data,
|
|
|
+ struct ubus_request_data *req)
|
|
|
+{
|
|
|
+ enum {
|
|
|
+ KILL_ATTR_SIGNAL,
|
|
|
+ KILL_ATTR_IMMEDIATE,
|
|
|
+ __KILL_ATTR_MAX
|
|
|
+ };
|
|
|
+ static const struct blobmsg_policy kill_policy[__KILL_ATTR_MAX] = {
|
|
|
+ [KILL_ATTR_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
|
|
|
+ [KILL_ATTR_IMMEDIATE] = { .name = "immediate", .type = BLOBMSG_TYPE_BOOL },
|
|
|
+ };
|
|
|
+ struct blob_attr *tb[__KILL_ATTR_MAX];
|
|
|
+ struct blob_attr *cur;
|
|
|
+ bool immediate = false;
|
|
|
+ int signal = SIGTERM;
|
|
|
+
|
|
|
+ blobmsg_parse(kill_policy, __KILL_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
|
|
|
+
|
|
|
+ if ((cur = tb[KILL_ATTR_SIGNAL]))
|
|
|
+ signal = blobmsg_get_u32(cur);
|
|
|
+
|
|
|
+ if ((cur = tb[KILL_ATTR_IMMEDIATE]))
|
|
|
+ immediate = blobmsg_get_u32(cur);
|
|
|
+
|
|
|
+ if (wdev->state != IFS_TEARDOWN || wdev->kill_request)
|
|
|
+ return UBUS_STATUS_PERMISSION_DENIED;
|
|
|
+
|
|
|
+ wireless_process_kill_all(wdev, signal, immediate);
|
|
|
+
|
|
|
+ if (list_empty(&wdev->script_proc))
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ wdev->kill_request = calloc(1, sizeof(*wdev->kill_request));
|
|
|
+ ubus_defer_request(ubus_ctx, req, wdev->kill_request);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+wireless_device_set_retry(struct wireless_device *wdev, struct blob_attr *data)
|
|
|
+{
|
|
|
+ static const struct blobmsg_policy retry_policy = {
|
|
|
+ .name = "retry", .type = BLOBMSG_TYPE_INT32
|
|
|
+ };
|
|
|
+ struct blob_attr *val;
|
|
|
+
|
|
|
+ blobmsg_parse(&retry_policy, 1, &val, blobmsg_data(data), blobmsg_data_len(data));
|
|
|
+ if (!val)
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ wdev->retry = blobmsg_get_u32(val);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+enum {
|
|
|
+ NOTIFY_CMD_UP = 0,
|
|
|
+ NOTIFY_CMD_SET_DATA = 1,
|
|
|
+ NOTIFY_CMD_PROCESS_ADD = 2,
|
|
|
+ NOTIFY_CMD_PROCESS_KILL_ALL = 3,
|
|
|
+ NOTIFY_CMD_SET_RETRY = 4,
|
|
|
+};
|
|
|
+
|
|
|
+int
|
|
|
+wireless_device_notify(struct wireless_device *wdev, struct blob_attr *data,
|
|
|
+ struct ubus_request_data *req)
|
|
|
+{
|
|
|
+ enum {
|
|
|
+ NOTIFY_ATTR_COMMAND,
|
|
|
+ NOTIFY_ATTR_VIF,
|
|
|
+ NOTIFY_ATTR_DATA,
|
|
|
+ __NOTIFY_MAX,
|
|
|
+ };
|
|
|
+ static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
|
|
|
+ [NOTIFY_ATTR_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_INT32 },
|
|
|
+ [NOTIFY_ATTR_VIF] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
|
|
|
+ [NOTIFY_ATTR_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
|
|
|
+ };
|
|
|
+ struct wireless_interface *vif = NULL;
|
|
|
+ struct blob_attr *tb[__NOTIFY_MAX];
|
|
|
+ struct blob_attr *cur, **pdata;
|
|
|
+
|
|
|
+ blobmsg_parse(notify_policy, __NOTIFY_MAX, tb, blob_data(data), blob_len(data));
|
|
|
+
|
|
|
+ if (!tb[NOTIFY_ATTR_COMMAND])
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ if ((cur = tb[NOTIFY_ATTR_VIF]) != NULL) {
|
|
|
+ vif = vlist_find(&wdev->interfaces, blobmsg_data(cur), vif, node);
|
|
|
+ if (!vif)
|
|
|
+ return UBUS_STATUS_NOT_FOUND;
|
|
|
+ }
|
|
|
+
|
|
|
+ cur = tb[NOTIFY_ATTR_DATA];
|
|
|
+ if (!cur)
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ switch (blobmsg_get_u32(tb[NOTIFY_ATTR_COMMAND])) {
|
|
|
+ case NOTIFY_CMD_UP:
|
|
|
+ if (vif)
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ if (wdev->state != IFS_SETUP)
|
|
|
+ return UBUS_STATUS_PERMISSION_DENIED;
|
|
|
+
|
|
|
+ if (wdev->cancel)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ wireless_device_mark_up(wdev);
|
|
|
+ break;
|
|
|
+ case NOTIFY_CMD_SET_DATA:
|
|
|
+ if (vif)
|
|
|
+ pdata = &vif->data;
|
|
|
+ else
|
|
|
+ pdata = &wdev->data;
|
|
|
+
|
|
|
+ if (*pdata)
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+
|
|
|
+ *pdata = blob_memdup(cur);
|
|
|
+ if (vif)
|
|
|
+ wireless_interface_set_data(vif);
|
|
|
+ break;
|
|
|
+ case NOTIFY_CMD_PROCESS_ADD:
|
|
|
+ return wireless_device_add_process(wdev, cur);
|
|
|
+ case NOTIFY_CMD_PROCESS_KILL_ALL:
|
|
|
+ return wireless_device_process_kill_all(wdev, cur, req);
|
|
|
+ case NOTIFY_CMD_SET_RETRY:
|
|
|
+ return wireless_device_set_retry(wdev, cur);
|
|
|
+ default:
|
|
|
+ return UBUS_STATUS_INVALID_ARGUMENT;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+void
|
|
|
+wireless_start_pending(void)
|
|
|
+{
|
|
|
+ struct wireless_device *wdev;
|
|
|
+
|
|
|
+ vlist_for_each_element(&wireless_devices, wdev, node)
|
|
|
+ if (wdev->autostart)
|
|
|
+ __wireless_device_set_up(wdev);
|
|
|
+}
|