1 let libubus = require("ubus");
2 import { open, readfile } from "fs";
3 import { wdev_create, wdev_remove, is_equal, vlist_new, phy_is_fullmac } from "common";
5 let ubus = libubus.connect();
7 hostapd.data.config = {};
9 hostapd.data.file_fields = {
12 accept_mac_file: true,
24 function iface_remove(cfg)
26 if (!cfg || !cfg.bss || !cfg.bss[0] || !cfg.bss[0].ifname)
29 hostapd.remove_iface(cfg.bss[0].ifname);
30 for (let bss in cfg.bss)
31 wdev_remove(bss.ifname);
34 function iface_gen_config(phy, config)
37 ${join("\n", config.radio.data)}
38 channel=${config.radio.channel}
41 for (let i = 0; i < length(config.bss); i++) {
42 let bss = config.bss[i];
43 let type = i > 0 ? "bss" : "interface";
47 ${join("\n", bss.data)}
54 function iface_restart(phy, config, old_config)
56 iface_remove(old_config);
59 if (!config.bss || !config.bss[0]) {
60 hostapd.printf(`No bss for phy ${phy}`);
64 let bss = config.bss[0];
65 let err = wdev_create(phy, bss.ifname, { mode: "ap" });
67 hostapd.printf(`Failed to create ${bss.ifname} on phy ${phy}: ${err}`);
68 let config_inline = iface_gen_config(phy, config);
69 if (hostapd.add_iface(`bss_config=${bss.ifname}:${config_inline}`) < 0) {
70 hostapd.printf(`hostapd.add_iface failed for phy ${phy} ifname=${bss.ifname}`);
75 function array_to_obj(arr, key, start)
80 for (let i = start; i < length(arr); i++) {
88 function find_array_idx(arr, key, val)
90 for (let i = 0; i < length(arr); i++)
91 if (arr[i][key] == val)
97 function bss_reload_psk(bss, config, old_config)
99 if (is_equal(old_config.hash.wpa_psk_file, config.hash.wpa_psk_file))
102 old_config.hash.wpa_psk_file = config.hash.wpa_psk_file;
103 if (!is_equal(old_config, config))
106 let ret = bss.ctrl("RELOAD_WPA_PSK");
109 hostapd.printf(`Reload WPA PSK file for bss ${config.ifname}: ${ret}`);
112 function iface_reload_config(phy, config, old_config)
114 if (!old_config || !is_equal(old_config.radio, config.radio))
117 if (is_equal(old_config.bss, config.bss))
120 if (!old_config.bss || !old_config.bss[0])
123 if (config.bss[0].ifname != old_config.bss[0].ifname)
126 let iface = hostapd.interfaces[config.bss[0].ifname];
130 let config_inline = iface_gen_config(phy, config);
132 bss_reload_psk(iface.bss[0], config.bss[0], old_config.bss[0]);
133 if (!is_equal(config.bss[0], old_config.bss[0])) {
134 if (phy_is_fullmac(phy))
137 hostapd.printf(`Reload config for bss '${config.bss[0].ifname}' on phy '${phy}'`);
138 if (iface.bss[0].set_config(config_inline, 0) < 0) {
139 hostapd.printf(`Failed to set config`);
144 let bss_list = array_to_obj(iface.bss, "name", 1);
145 let new_cfg = array_to_obj(config.bss, "ifname", 1);
146 let old_cfg = array_to_obj(old_config.bss, "ifname", 1);
148 for (let name in old_cfg) {
149 let bss = bss_list[name];
151 hostapd.printf(`bss '${name}' not found`);
155 if (!new_cfg[name]) {
156 hostapd.printf(`Remove bss '${name}' on phy '${phy}'`);
162 let new_cfg_data = new_cfg[name];
163 delete new_cfg[name];
165 if (is_equal(old_cfg[name], new_cfg_data))
168 hostapd.printf(`Reload config for bss '${name}' on phy '${phy}'`);
169 let idx = find_array_idx(config.bss, "ifname", name);
171 hostapd.printf(`bss index not found`);
175 if (bss.set_config(config_inline, idx) < 0) {
176 hostapd.printf(`Failed to set config`);
181 for (let name in new_cfg) {
182 hostapd.printf(`Add bss '${name}' on phy '${phy}'`);
184 let idx = find_array_idx(config.bss, "ifname", name);
186 hostapd.printf(`bss index not found`);
190 if (iface.add_bss(config_inline, idx) < 0) {
191 hostapd.printf(`Failed to add bss`);
199 function iface_set_config(phy, config)
201 let old_config = hostapd.data.config[phy];
203 hostapd.data.config[phy] = config;
206 return iface_remove(old_config);
208 let ret = iface_reload_config(phy, config, old_config);
210 hostapd.printf(`Reloaded settings for phy ${phy}`);
214 hostapd.printf(`Restart interface for phy ${phy}`);
215 return iface_restart(phy, config, old_config);
218 function config_add_bss(config, name)
226 push(config.bss, bss);
231 function iface_load_config(filename)
233 let f = open(filename, "r");
247 while ((line = trim(f.read("line"))) != null) {
248 let val = split(line, "=", 2);
252 if (val[0] == "interface") {
253 bss = config_add_bss(config, val[1]);
257 if (val[0] == "channel") {
258 config.radio.channel = val[1];
262 push(config.radio.data, line);
265 while ((line = trim(f.read("line"))) != null) {
266 let val = split(line, "=", 2);
270 if (val[0] == "bss") {
271 bss = config_add_bss(config, val[1]);
275 if (hostapd.data.file_fields[val[0]])
276 bss.hash[val[0]] = hostapd.sha1(readfile(val[1]));
278 push(bss.data, line);
292 call: function(req) {
294 let phy_list = req.args.phy ? [ req.args.phy ] : keys(hostapd.data.config);
295 for (let phy_name in phy_list) {
296 let phy = hostapd.data.config[phy_name];
297 let config = iface_load_config(phy.orig_file);
298 iface_set_config(phy_name, config);
301 hostapd.printf(`Error reloading config: ${e}\n${e.stacktrace[0].context}`);
302 return libubus.STATUS_INVALID_ARGUMENT;
317 call: function(req) {
318 if (req.args.up == null || !req.args.phy)
319 return libubus.STATUS_INVALID_ARGUMENT;
321 let phy = req.args.phy;
322 let config = hostapd.data.config[phy];
323 if (!config || !config.bss || !config.bss[0] || !config.bss[0].ifname)
326 let iface = hostapd.interfaces[config.bss[0].ifname];
335 let freq = req.args.frequency;
337 return libubus.STATUS_INVALID_ARGUMENT;
339 let sec_offset = req.args.sec_chan_offset;
340 if (sec_offset != -1 && sec_offset != 1)
344 for (let line in config.radio.data) {
345 if (!sec_offset && match(line, /^ht_capab=.*HT40/)) {
346 sec_offset = null; // auto-detect
350 let val = match(line, /^(vht_oper_chwidth|he_oper_chwidth)=(\d+)/);
362 let freq_info = hostapd.freq_info(freq, sec_offset, width);
364 return libubus.STATUS_UNKNOWN_ERROR;
368 freq_info.csa_count = req.args.csa_count ?? 10;
369 ret = iface.switch_channel(freq_info);
372 ret = iface.start(freq_info);
375 return libubus.STATUS_UNKNOWN_ERROR;
386 call: function(req) {
387 let phy = req.args.phy;
388 let file = req.args.config;
389 let prev_file = req.args.prev_config;
392 return libubus.STATUS_INVALID_ARGUMENT;
395 if (prev_file && !hostapd.data.config[phy]) {
396 let config = iface_load_config(prev_file);
398 config.radio.data = [];
399 hostapd.data.config[phy] = config;
402 let config = iface_load_config(file);
404 hostapd.printf(`Set new config for phy ${phy}: ${file}`);
405 iface_set_config(phy, config);
407 hostapd.printf(`Error loading config: ${e}\n${e.stacktrace[0].context}`);
408 return libubus.STATUS_INVALID_ARGUMENT;
412 pid: hostapd.getpid()
421 call: function(req) {
422 if (!req.args.iface || !req.args.config)
423 return libubus.STATUS_INVALID_ARGUMENT;
425 if (hostapd.add_iface(`bss_config=${req.args.iface}:${req.args.config}`) < 0)
426 return libubus.STATUS_INVALID_ARGUMENT;
429 pid: hostapd.getpid()
437 call: function(req) {
439 return libubus.STATUS_INVALID_ARGUMENT;
441 hostapd.remove_iface(req.args.iface);
447 hostapd.data.ubus = ubus;
448 hostapd.data.obj = ubus.publish("hostapd", main_obj);
450 function bss_event(type, name, data) {
451 let ubus = hostapd.data.ubus;
455 hostapd.data.obj.notify(`bss.${type}`, data, null, null, null, -1);
456 ubus.call("service", "event", { type: `hostapd.${name}.${type}`, data: {} });
460 shutdown: function() {
461 for (let phy in hostapd.data.config)
462 iface_set_config(phy, null);
463 hostapd.ubus.disconnect();
465 bss_add: function(name, obj) {
466 bss_event("add", name);
468 bss_reload: function(name, obj, reconf) {
469 bss_event("reload", name, { reconf: reconf != 0 });
471 bss_remove: function(name, obj) {
472 bss_event("remove", name);