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let libubus = require("ubus");
import { open, readfile } from "fs";
import { wdev_create, wdev_remove, is_equal, vlist_new } from "common";
let ubus = libubus.connect();
wpas.data.config = {};
wpas.data.iface_phy = {};
function iface_stop(iface)
{
let ifname = iface.config.iface;
if (!iface.running)
return;
delete wpas.data.iface_phy[ifname];
wpas.remove_iface(ifname);
wdev_remove(ifname);
iface.running = false;
}
function iface_start(phy, iface)
{
if (iface.running)
return;
let ifname = iface.config.iface;
wpas.data.iface_phy[ifname] = phy;
wdev_remove(ifname);
let ret = wdev_create(phy, ifname, iface.config);
if (ret)
wpas.printf(`Failed to create device ${ifname}: ${ret}`);
wpas.add_iface(iface.config);
iface.running = true;
}
function iface_cb(new_if, old_if)
{
if (old_if && new_if && is_equal(old_if.config, new_if.config)) {
new_if.running = old_if.running;
return;
}
if (old_if)
iface_stop(old_if);
}
function prepare_config(config)
{
config.config_data = readfile(config.config);
return { config: config };
}
function set_config(phy_name, config_list)
{
let phy = wpas.data.config[phy_name];
if (!phy) {
phy = vlist_new(iface_cb, false);
wpas.data.config[phy_name] = phy;
}
let values = [];
for (let config in config_list)
push(values, [ config.iface, prepare_config(config) ]);
phy.update(values);
}
function start_pending(phy_name)
{
let phy = wpas.data.config[phy_name];
for (let ifname in phy.data)
iface_start(phy_name, phy.data[ifname]);
}
let main_obj = {
phy_set_state: {
args: {
phy: "",
stop: true,
},
call: function(req) {
if (!req.args.phy || req.args.stop == null)
return libubus.STATUS_INVALID_ARGUMENT;
let phy = wpas.data.config[req.args.phy];
if (!phy)
return libubus.STATUS_NOT_FOUND;
if (req.args.stop) {
for (let ifname in phy.data)
iface_stop(phy.data[ifname]);
} else {
start_pending(req.args.phy);
}
return 0;
}
},
config_set: {
args: {
phy: "",
config: [],
defer: true,
},
call: function(req) {
if (!req.args.phy)
return libubus.STATUS_INVALID_ARGUMENT;
try {
if (req.args.config)
set_config(req.args.phy, req.args.config);
if (!req.args.defer)
start_pending(req.args.phy);
} catch (e) {
wpas.printf(`Error loading config: ${e}\n${e.stacktrace[0].context}`);
return libubus.STATUS_INVALID_ARGUMENT;
}
return {
pid: wpas.getpid()
};
}
},
config_add: {
args: {
driver: "",
iface: "",
bridge: "",
hostapd_ctrl: "",
ctrl: "",
config: "",
},
call: function(req) {
if (!req.args.iface || !req.args.config)
return libubus.STATUS_INVALID_ARGUMENT;
if (wpas.add_iface(req.args) < 0)
return libubus.STATUS_INVALID_ARGUMENT;
return {
pid: wpas.getpid()
};
}
},
config_remove: {
args: {
iface: ""
},
call: function(req) {
if (!req.args.iface)
return libubus.STATUS_INVALID_ARGUMENT;
wpas.remove_iface(req.args.iface);
return 0;
}
},
};
wpas.data.ubus = ubus;
wpas.data.obj = ubus.publish("wpa_supplicant", main_obj);
function iface_event(type, name, data) {
let ubus = wpas.data.ubus;
data ??= {};
data.name = name;
wpas.data.obj.notify(`iface.${type}`, data, null, null, null, -1);
ubus.call("service", "event", { type: `wpa_supplicant.${name}.${type}`, data: {} });
}
function iface_hostapd_notify(phy, ifname, iface, state)
{
let ubus = wpas.data.ubus;
let status = iface.status();
let msg = { phy: phy };
switch (state) {
case "DISCONNECTED":
case "AUTHENTICATING":
msg.up = false;
break;
case "INTERFACE_DISABLED":
case "INACTIVE":
msg.up = true;
break;
case "COMPLETED":
msg.up = true;
msg.frequency = status.frequency;
msg.sec_chan_offset = status.sec_chan_offset;
break;
default:
return;
}
ubus.call("hostapd", "apsta_state", msg);
}
function iface_channel_switch(phy, ifname, iface, info)
{
let msg = {
phy: phy,
up: true,
csa: true,
csa_count: info.csa_count ? info.csa_count - 1 : 0,
frequency: info.frequency,
sec_chan_offset: info.sec_chan_offset,
};
ubus.call("hostapd", "apsta_state", msg);
}
return {
shutdown: function() {
for (let phy in wpas.data.config)
set_config(phy, []);
wpas.ubus.disconnect();
},
iface_add: function(name, obj) {
obj.data.name = name;
iface_event("add", name);
},
iface_remove: function(name, obj) {
iface_event("remove", name);
},
state: function(iface, state) {
let ifname = iface.data.name;
let phy = wpas.data.iface_phy[ifname];
if (!phy) {
wpas.printf(`no PHY for ifname ${ifname}`);
return;
}
iface_hostapd_notify(phy, ifname, iface, state);
},
event: function(iface, ev, info) {
let ifname = iface.data.name;
let phy = wpas.data.iface_phy[ifname];
if (!phy) {
wpas.printf(`no PHY for ifname ${ifname}`);
return;
}
if (ev == "CH_SWITCH_STARTED")
iface_channel_switch(phy, ifname, iface, info);
}
};
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