2023-05-26 08:23:59 +00:00
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let libubus = require("ubus");
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import { open, readfile } from "fs";
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import { wdev_create, wdev_remove, is_equal, vlist_new, phy_is_fullmac } from "common";
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let ubus = libubus.connect();
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hostapd.data.config = {};
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hostapd.data.file_fields = {
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vlan_file: true,
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wpa_psk_file: true,
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accept_mac_file: true,
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deny_mac_file: true,
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eap_user_file: true,
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ca_cert: true,
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server_cert: true,
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server_cert2: true,
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private_key: true,
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private_key2: true,
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dh_file: true,
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eap_sim_db: true,
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};
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function iface_remove(cfg)
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{
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if (!cfg || !cfg.bss || !cfg.bss[0] || !cfg.bss[0].ifname)
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return;
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hostapd.remove_iface(cfg.bss[0].ifname);
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for (let bss in cfg.bss)
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wdev_remove(bss.ifname);
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}
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function iface_gen_config(phy, config)
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{
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let str = `data:
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${join("\n", config.radio.data)}
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channel=${config.radio.channel}
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`;
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for (let i = 0; i < length(config.bss); i++) {
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let bss = config.bss[i];
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let type = i > 0 ? "bss" : "interface";
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str += `
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${type}=${bss.ifname}
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${join("\n", bss.data)}
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`;
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}
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return str;
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}
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function iface_restart(phy, config, old_config)
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{
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iface_remove(old_config);
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iface_remove(config);
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if (!config.bss || !config.bss[0]) {
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hostapd.printf(`No bss for phy ${phy}`);
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return;
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}
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let bss = config.bss[0];
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let err = wdev_create(phy, bss.ifname, { mode: "ap" });
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if (err)
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hostapd.printf(`Failed to create ${bss.ifname} on phy ${phy}: ${err}`);
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let config_inline = iface_gen_config(phy, config);
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if (hostapd.add_iface(`bss_config=${bss.ifname}:${config_inline}`) < 0) {
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hostapd.printf(`hostapd.add_iface failed for phy ${phy} ifname=${bss.ifname}`);
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return;
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}
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}
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function array_to_obj(arr, key, start)
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{
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let obj = {};
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start ??= 0;
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for (let i = start; i < length(arr); i++) {
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let cur = arr[i];
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obj[cur[key]] = cur;
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}
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return obj;
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}
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function find_array_idx(arr, key, val)
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{
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for (let i = 0; i < length(arr); i++)
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if (arr[i][key] == val)
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return i;
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return -1;
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}
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function bss_reload_psk(bss, config, old_config)
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{
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if (is_equal(old_config.hash.wpa_psk_file, config.hash.wpa_psk_file))
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return;
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old_config.hash.wpa_psk_file = config.hash.wpa_psk_file;
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if (!is_equal(old_config, config))
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return;
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let ret = bss.ctrl("RELOAD_WPA_PSK");
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ret ??= "failed";
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hostapd.printf(`Reload WPA PSK file for bss ${config.ifname}: ${ret}`);
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}
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function iface_reload_config(phy, config, old_config)
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{
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if (!old_config || !is_equal(old_config.radio, config.radio))
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return false;
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if (is_equal(old_config.bss, config.bss))
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return true;
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2023-08-08 18:11:42 +00:00
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if (!old_config.bss || !old_config.bss[0])
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return false;
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2023-05-26 08:23:59 +00:00
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if (config.bss[0].ifname != old_config.bss[0].ifname)
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return false;
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let iface = hostapd.interfaces[config.bss[0].ifname];
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if (!iface)
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return false;
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let config_inline = iface_gen_config(phy, config);
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bss_reload_psk(iface.bss[0], config.bss[0], old_config.bss[0]);
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if (!is_equal(config.bss[0], old_config.bss[0])) {
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if (phy_is_fullmac(phy))
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return false;
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hostapd.printf(`Reload config for bss '${config.bss[0].ifname}' on phy '${phy}'`);
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if (iface.bss[0].set_config(config_inline, 0) < 0) {
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hostapd.printf(`Failed to set config`);
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return false;
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}
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}
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let bss_list = array_to_obj(iface.bss, "name", 1);
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let new_cfg = array_to_obj(config.bss, "ifname", 1);
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let old_cfg = array_to_obj(old_config.bss, "ifname", 1);
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for (let name in old_cfg) {
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let bss = bss_list[name];
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if (!bss) {
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hostapd.printf(`bss '${name}' not found`);
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return false;
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}
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if (!new_cfg[name]) {
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hostapd.printf(`Remove bss '${name}' on phy '${phy}'`);
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bss.delete();
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wdev_remove(name);
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continue;
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}
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let new_cfg_data = new_cfg[name];
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delete new_cfg[name];
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if (is_equal(old_cfg[name], new_cfg_data))
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continue;
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hostapd.printf(`Reload config for bss '${name}' on phy '${phy}'`);
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let idx = find_array_idx(config.bss, "ifname", name);
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if (idx < 0) {
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hostapd.printf(`bss index not found`);
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return false;
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}
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if (bss.set_config(config_inline, idx) < 0) {
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hostapd.printf(`Failed to set config`);
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return false;
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}
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}
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for (let name in new_cfg) {
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hostapd.printf(`Add bss '${name}' on phy '${phy}'`);
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let idx = find_array_idx(config.bss, "ifname", name);
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if (idx < 0) {
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hostapd.printf(`bss index not found`);
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return false;
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}
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if (iface.add_bss(config_inline, idx) < 0) {
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hostapd.printf(`Failed to add bss`);
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return false;
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}
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}
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return true;
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}
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function iface_set_config(phy, config)
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{
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let old_config = hostapd.data.config[phy];
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hostapd.data.config[phy] = config;
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if (!config)
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return iface_remove(old_config);
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let ret = iface_reload_config(phy, config, old_config);
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if (ret) {
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hostapd.printf(`Reloaded settings for phy ${phy}`);
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return 0;
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}
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hostapd.printf(`Restart interface for phy ${phy}`);
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return iface_restart(phy, config, old_config);
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}
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function config_add_bss(config, name)
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{
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let bss = {
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ifname: name,
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data: [],
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hash: {}
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};
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push(config.bss, bss);
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return bss;
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}
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function iface_load_config(filename)
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{
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let f = open(filename, "r");
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if (!f)
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return null;
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let config = {
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radio: {
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data: []
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},
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bss: [],
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orig_file: filename,
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};
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let bss;
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let line;
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while ((line = trim(f.read("line"))) != null) {
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let val = split(line, "=", 2);
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if (!val[0])
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continue;
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if (val[0] == "interface") {
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bss = config_add_bss(config, val[1]);
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break;
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}
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if (val[0] == "channel") {
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config.radio.channel = val[1];
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continue;
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}
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push(config.radio.data, line);
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}
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while ((line = trim(f.read("line"))) != null) {
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let val = split(line, "=", 2);
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if (!val[0])
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continue;
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if (val[0] == "bss") {
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bss = config_add_bss(config, val[1]);
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continue;
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}
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if (hostapd.data.file_fields[val[0]])
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bss.hash[val[0]] = hostapd.sha1(readfile(val[1]));
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push(bss.data, line);
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}
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f.close();
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return config;
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}
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let main_obj = {
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reload: {
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args: {
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phy: "",
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},
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call: function(req) {
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try {
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let phy_list = req.args.phy ? [ req.args.phy ] : keys(hostapd.data.config);
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for (let phy_name in phy_list) {
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let phy = hostapd.data.config[phy_name];
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let config = iface_load_config(phy.orig_file);
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iface_set_config(phy_name, config);
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}
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} catch(e) {
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hostapd.printf(`Error reloading config: ${e}\n${e.stacktrace[0].context}`);
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return libubus.STATUS_INVALID_ARGUMENT;
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}
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return 0;
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}
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},
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2023-08-10 16:33:04 +00:00
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apsta_state: {
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args: {
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phy: "",
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up: true,
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frequency: 0,
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sec_chan_offset: 0,
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csa: true,
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csa_count: 0,
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},
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call: function(req) {
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if (req.args.up == null || !req.args.phy)
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return libubus.STATUS_INVALID_ARGUMENT;
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let phy = req.args.phy;
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let config = hostapd.data.config[phy];
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if (!config || !config.bss || !config.bss[0] || !config.bss[0].ifname)
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return 0;
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let iface = hostapd.interfaces[config.bss[0].ifname];
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if (!iface)
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return 0;
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if (!req.args.up) {
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iface.stop();
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return 0;
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}
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let freq = req.args.frequency;
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if (!freq)
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return libubus.STATUS_INVALID_ARGUMENT;
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let sec_offset = req.args.sec_chan_offset;
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if (sec_offset != -1 && sec_offset != 1)
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sec_offset = 0;
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let width = 0;
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for (let line in config.radio.data) {
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if (!sec_offset && match(line, /^ht_capab=.*HT40/)) {
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sec_offset = null; // auto-detect
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continue;
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}
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let val = match(line, /^(vht_oper_chwidth|he_oper_chwidth)=(\d+)/);
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if (!val)
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continue;
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val = int(val[2]);
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if (val > width)
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width = val;
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}
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if (freq < 4000)
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width = 0;
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let freq_info = hostapd.freq_info(freq, sec_offset, width);
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if (!freq_info)
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return libubus.STATUS_UNKNOWN_ERROR;
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let ret;
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if (req.args.csa) {
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freq_info.csa_count = req.args.csa_count ?? 10;
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ret = iface.switch_channel(freq_info);
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} else {
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iface.stop();
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ret = iface.start(freq_info);
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}
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if (!ret)
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return libubus.STATUS_UNKNOWN_ERROR;
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return 0;
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}
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},
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2023-05-26 08:23:59 +00:00
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config_set: {
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args: {
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phy: "",
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config: "",
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prev_config: "",
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},
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call: function(req) {
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let phy = req.args.phy;
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let file = req.args.config;
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let prev_file = req.args.prev_config;
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if (!phy)
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return libubus.STATUS_INVALID_ARGUMENT;
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try {
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|
|
|
if (prev_file && !hostapd.data.config[phy]) {
|
|
|
|
let config = iface_load_config(prev_file);
|
|
|
|
if (config)
|
|
|
|
config.radio.data = [];
|
|
|
|
hostapd.data.config[phy] = config;
|
|
|
|
}
|
|
|
|
|
|
|
|
let config = iface_load_config(file);
|
|
|
|
|
|
|
|
hostapd.printf(`Set new config for phy ${phy}: ${file}`);
|
|
|
|
iface_set_config(phy, config);
|
|
|
|
} catch(e) {
|
|
|
|
hostapd.printf(`Error loading config: ${e}\n${e.stacktrace[0].context}`);
|
|
|
|
return libubus.STATUS_INVALID_ARGUMENT;
|
|
|
|
}
|
|
|
|
|
|
|
|
return {
|
|
|
|
pid: hostapd.getpid()
|
|
|
|
};
|
|
|
|
}
|
|
|
|
},
|
|
|
|
config_add: {
|
|
|
|
args: {
|
|
|
|
iface: "",
|
|
|
|
config: "",
|
|
|
|
},
|
|
|
|
call: function(req) {
|
|
|
|
if (!req.args.iface || !req.args.config)
|
|
|
|
return libubus.STATUS_INVALID_ARGUMENT;
|
|
|
|
|
|
|
|
if (hostapd.add_iface(`bss_config=${req.args.iface}:${req.args.config}`) < 0)
|
|
|
|
return libubus.STATUS_INVALID_ARGUMENT;
|
|
|
|
|
|
|
|
return {
|
|
|
|
pid: hostapd.getpid()
|
|
|
|
};
|
|
|
|
}
|
|
|
|
},
|
|
|
|
config_remove: {
|
|
|
|
args: {
|
|
|
|
iface: ""
|
|
|
|
},
|
|
|
|
call: function(req) {
|
|
|
|
if (!req.args.iface)
|
|
|
|
return libubus.STATUS_INVALID_ARGUMENT;
|
|
|
|
|
|
|
|
hostapd.remove_iface(req.args.iface);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
hostapd.data.ubus = ubus;
|
|
|
|
hostapd.data.obj = ubus.publish("hostapd", main_obj);
|
|
|
|
|
|
|
|
function bss_event(type, name, data) {
|
|
|
|
let ubus = hostapd.data.ubus;
|
|
|
|
|
|
|
|
data ??= {};
|
|
|
|
data.name = name;
|
|
|
|
hostapd.data.obj.notify(`bss.${type}`, data, null, null, null, -1);
|
|
|
|
ubus.call("service", "event", { type: `hostapd.${name}.${type}`, data: {} });
|
|
|
|
}
|
|
|
|
|
|
|
|
return {
|
|
|
|
shutdown: function() {
|
|
|
|
for (let phy in hostapd.data.config)
|
|
|
|
iface_set_config(phy, null);
|
|
|
|
hostapd.ubus.disconnect();
|
|
|
|
},
|
|
|
|
bss_add: function(name, obj) {
|
|
|
|
bss_event("add", name);
|
|
|
|
},
|
|
|
|
bss_reload: function(name, obj, reconf) {
|
|
|
|
bss_event("reload", name, { reconf: reconf != 0 });
|
|
|
|
},
|
|
|
|
bss_remove: function(name, obj) {
|
|
|
|
bss_event("remove", name);
|
|
|
|
}
|
|
|
|
};
|