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author | Felix Fietkau <nbd@nbd.name> | 2023-08-29 14:32:42 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2023-09-18 16:52:25 +0200 |
commit | 9720b094aef89802327683f25824820581fed0b9 (patch) | |
tree | 1add9555f456586bf676dca47ac674887d6f7cc2 /package/network/services/hostapd/files/wpa_supplicant.uc | |
parent | 263583dc1e569fae3f8e99d73f2fd72376421b17 (diff) | |
download | upstream-9720b094aef89802327683f25824820581fed0b9.tar.gz upstream-9720b094aef89802327683f25824820581fed0b9.tar.bz2 upstream-9720b094aef89802327683f25824820581fed0b9.zip |
hostapd: backport from master, including ucode based reload support
This significantly improves config reload behavior and also fixes some
corner cases related to running AP + mesh interfaces at the same time.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/network/services/hostapd/files/wpa_supplicant.uc')
-rw-r--r-- | package/network/services/hostapd/files/wpa_supplicant.uc | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/package/network/services/hostapd/files/wpa_supplicant.uc b/package/network/services/hostapd/files/wpa_supplicant.uc new file mode 100644 index 0000000000..cb5f41b1af --- /dev/null +++ b/package/network/services/hostapd/files/wpa_supplicant.uc @@ -0,0 +1,330 @@ +let libubus = require("ubus"); +import { open, readfile } from "fs"; +import { wdev_create, wdev_remove, is_equal, vlist_new, phy_open } from "common"; + +let ubus = libubus.connect(); + +wpas.data.config = {}; +wpas.data.iface_phy = {}; +wpas.data.macaddr_list = {}; + +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(phydev, iface, macaddr_list) +{ + let phy = phydev.name; + + if (iface.running) + return; + + let ifname = iface.config.iface; + let wdev_config = {}; + for (let field in iface.config) + wdev_config[field] = iface.config[field]; + if (!wdev_config.macaddr) + wdev_config.macaddr = phydev.macaddr_next(); + + wpas.data.iface_phy[ifname] = phy; + wdev_remove(ifname); + let ret = wdev_create(phy, ifname, wdev_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 (new_if && old_if) + wpas.printf(`Update configuration for interface ${old_if.config.iface}`); + else if (old_if) + wpas.printf(`Remove interface ${old_if.config.iface}`); + + 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]; + let ubus = wpas.data.ubus; + + if (!phy || !phy.data) + return; + + let phydev = phy_open(phy_name); + if (!phydev) { + wpas.printf(`Could not open phy ${phy_name}`); + return; + } + + let macaddr_list = wpas.data.macaddr_list[phy_name]; + phydev.macaddr_init(macaddr_list); + + for (let ifname in phy.data) + iface_start(phydev, 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; + + try { + if (req.args.stop) { + for (let ifname in phy.data) + iface_stop(phy.data[ifname]); + } else { + start_pending(req.args.phy); + } + } catch (e) { + wpas.printf(`Error chaging state: ${e}\n${e.stacktrace[0].context}`); + return libubus.STATUS_INVALID_ARGUMENT; + } + return 0; + } + }, + phy_set_macaddr_list: { + args: { + phy: "", + macaddr: [], + }, + call: function(req) { + let phy = req.args.phy; + if (!phy) + return libubus.STATUS_INVALID_ARGUMENT; + + wpas.data.macaddr_list[phy] = req.args.macaddr; + return 0; + } + }, + phy_status: { + args: { + phy: "" + }, + call: function(req) { + if (!req.args.phy) + return libubus.STATUS_INVALID_ARGUMENT; + + let phy = wpas.data.config[req.args.phy]; + if (!phy) + return libubus.STATUS_NOT_FOUND; + + for (let ifname in phy.data) { + try { + let iface = wpas.interfaces[ifname]; + if (!iface) + continue; + + let status = iface.status(); + if (!status) + continue; + + if (status.state == "INTERFACE_DISABLED") + continue; + + status.ifname = ifname; + return status; + } catch (e) { + continue; + } + } + + return libubus.STATUS_NOT_FOUND; + } + }, + config_set: { + args: { + phy: "", + config: [], + defer: true, + }, + call: function(req) { + if (!req.args.phy) + return libubus.STATUS_INVALID_ARGUMENT; + + wpas.printf(`Set new config for phy ${req.args.phy}`); + 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": + case "SCANNING": + 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) { + iface_event("add", name); + }, + iface_remove: function(name, obj) { + iface_event("remove", name); + }, + state: function(ifname, iface, state) { + 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(ifname, iface, ev, info) { + 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); + } +}; |