458 lines
14 KiB
C
458 lines
14 KiB
C
/*
|
|
* Copyright 2016-2021 Dius Computing Pty Ltd. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the
|
|
* distribution.
|
|
* - Neither the name of the copyright holders nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @author Johny Mattsson <jmattsson@dius.com.au>
|
|
*/
|
|
#include "module.h"
|
|
#include "lauxlib.h"
|
|
#include "lextra.h"
|
|
#include "lmem.h"
|
|
#include "nodemcu_esp_event.h"
|
|
#include "wifi_common.h"
|
|
#include "ip_fmt.h"
|
|
#include "nodemcu_esp_event.h"
|
|
#include <string.h>
|
|
#include "esp_netif.h"
|
|
|
|
static esp_netif_t *wifi_sta = NULL;
|
|
static int scan_cb_ref = LUA_NOREF;
|
|
|
|
// --- Event handling -----------------------------------------------------
|
|
|
|
static void sta_conn (lua_State *L, const void *data);
|
|
static void sta_disconn (lua_State *L, const void *data);
|
|
static void sta_authmode (lua_State *L, const void *data);
|
|
static void sta_got_ip (lua_State *L, const void *data);
|
|
static void empty_arg (lua_State *L, const void *data) {}
|
|
|
|
static const event_desc_t events[] =
|
|
{
|
|
{ "start", &WIFI_EVENT, WIFI_EVENT_STA_START, empty_arg},
|
|
{ "stop", &WIFI_EVENT, WIFI_EVENT_STA_STOP, empty_arg},
|
|
{ "connected", &WIFI_EVENT, WIFI_EVENT_STA_CONNECTED, sta_conn },
|
|
{ "disconnected", &WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, sta_disconn },
|
|
{ "authmode_changed", &WIFI_EVENT, WIFI_EVENT_STA_AUTHMODE_CHANGE, sta_authmode },
|
|
{ "got_ip", &IP_EVENT, IP_EVENT_STA_GOT_IP, sta_got_ip},
|
|
};
|
|
|
|
#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
|
|
static int event_cb[ARRAY_LEN(events)];
|
|
|
|
static void sta_conn (lua_State *L, const void *data)
|
|
{
|
|
const wifi_event_sta_connected_t *connected =
|
|
(const wifi_event_sta_connected_t *)data;
|
|
lua_pushlstring (L, (const char *)connected->ssid, connected->ssid_len);
|
|
lua_setfield (L, -2, "ssid");
|
|
|
|
char bssid_str[MAC_STR_SZ];
|
|
macstr (bssid_str, connected->bssid);
|
|
lua_pushstring (L, bssid_str);
|
|
lua_setfield (L, -2, "bssid");
|
|
|
|
lua_pushinteger (L, connected->channel);
|
|
lua_setfield (L, -2, "channel");
|
|
|
|
lua_pushinteger (L, connected->authmode);
|
|
lua_setfield (L, -2, "auth");
|
|
}
|
|
|
|
static void sta_disconn (lua_State *L, const void *data)
|
|
{
|
|
const wifi_event_sta_disconnected_t *disconnected =
|
|
(const wifi_event_sta_disconnected_t *)data;
|
|
lua_pushlstring (L, (const char *)disconnected->ssid, disconnected->ssid_len);
|
|
lua_setfield (L, -2, "ssid");
|
|
|
|
char bssid_str[MAC_STR_SZ];
|
|
macstr(bssid_str, disconnected->bssid);
|
|
lua_pushstring (L, bssid_str);
|
|
lua_setfield (L, -2, "bssid");
|
|
|
|
lua_pushinteger (L, disconnected->reason);
|
|
lua_setfield (L, -2, "reason");
|
|
}
|
|
|
|
static void sta_authmode (lua_State *L, const void *data)
|
|
{
|
|
const wifi_event_sta_authmode_change_t *auth_change =
|
|
(const wifi_event_sta_authmode_change_t *)data;
|
|
lua_pushinteger (L, auth_change->old_mode);
|
|
lua_setfield (L, -2, "old_mode");
|
|
lua_pushinteger (L, auth_change->new_mode);
|
|
lua_setfield (L, -2, "new_mode");
|
|
}
|
|
|
|
static void sta_got_ip (lua_State *L, const void *data)
|
|
{
|
|
const ip_event_got_ip_t *got_ip_info =
|
|
(const ip_event_got_ip_t *)data;
|
|
const esp_netif_ip_info_t *ip_info = &got_ip_info->ip_info;
|
|
|
|
char ipstr[IP_STR_SZ] = { 0 };
|
|
ip4str_esp (ipstr, &ip_info->ip);
|
|
lua_pushstring (L, ipstr);
|
|
lua_setfield (L, -2, "ip");
|
|
|
|
ip4str_esp (ipstr, &ip_info->netmask);
|
|
lua_pushstring (L, ipstr);
|
|
lua_setfield (L, -2, "netmask");
|
|
|
|
ip4str_esp (ipstr, &ip_info->gw);
|
|
lua_pushstring (L, ipstr);
|
|
lua_setfield (L, -2, "gw");
|
|
}
|
|
|
|
static void on_event (esp_event_base_t base, int32_t id, const void *data)
|
|
{
|
|
int idx = wifi_event_idx_by_id (events, ARRAY_LEN(events), base, id);
|
|
if (idx < 0 || event_cb[idx] == LUA_NOREF)
|
|
return;
|
|
|
|
lua_State *L = lua_getstate ();
|
|
lua_rawgeti (L, LUA_REGISTRYINDEX, event_cb[idx]);
|
|
lua_pushstring (L, events[idx].name);
|
|
lua_createtable (L, 0, 5);
|
|
events[idx].fill_cb_arg (L, data);
|
|
luaL_pcallx (L, 2, 0);
|
|
}
|
|
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_STA_START, on_event);
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_STA_STOP, on_event);
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED, on_event);
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, on_event);
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_STA_AUTHMODE_CHANGE, on_event);
|
|
NODEMCU_ESP_EVENT(IP_EVENT, IP_EVENT_STA_GOT_IP, on_event);
|
|
// TODO: support WPS events?
|
|
|
|
void wifi_sta_init (void)
|
|
{
|
|
wifi_sta = esp_netif_create_default_wifi_sta();
|
|
|
|
for (unsigned i = 0; i < ARRAY_LEN(event_cb); ++i)
|
|
event_cb[i] = LUA_NOREF;
|
|
}
|
|
|
|
|
|
// --- Lua API functions ----------------------------------------------------
|
|
static int wifi_sta_setip(lua_State *L)
|
|
{
|
|
luaL_checktable (L, 1);
|
|
|
|
size_t len = 0;
|
|
const char *str = NULL;
|
|
esp_netif_ip_info_t ip_info = { 0, };
|
|
|
|
lua_getfield (L, 1, "ip");
|
|
str = luaL_checklstring (L, -1, &len);
|
|
if (esp_netif_str_to_ip4(str, &ip_info.ip) != ESP_OK)
|
|
{
|
|
return luaL_error(L, "Could not parse IP address, aborting");
|
|
}
|
|
|
|
lua_getfield (L, 1, "netmask");
|
|
str = luaL_checklstring (L, -1, &len);
|
|
if (esp_netif_str_to_ip4(str, &ip_info.netmask) != ESP_OK)
|
|
{
|
|
return luaL_error(L, "Could not parse Netmask, aborting");
|
|
}
|
|
|
|
lua_getfield (L, 1, "gateway");
|
|
str = luaL_checklstring (L, -1, &len);
|
|
if (esp_netif_str_to_ip4(str, &ip_info.gw) != ESP_OK)
|
|
{
|
|
return luaL_error(L, "Could not parse Gateway address, aborting");
|
|
}
|
|
|
|
esp_netif_dns_info_t dns_info = { .ip = { .type = ESP_IPADDR_TYPE_V4 } };
|
|
lua_getfield (L, 1, "dns");
|
|
str = luaL_optlstring(L, -1, str, &len); // default to gateway
|
|
if (esp_netif_str_to_ip4(str, &dns_info.ip.u_addr.ip4) != ESP_OK)
|
|
{
|
|
return luaL_error(L, "Could not parse DNS address, aborting");
|
|
}
|
|
|
|
ESP_ERROR_CHECK(esp_netif_dhcpc_stop(wifi_sta));
|
|
|
|
esp_netif_set_ip_info(wifi_sta, &ip_info);
|
|
esp_netif_set_dns_info(wifi_sta, ESP_NETIF_DNS_MAIN, &dns_info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wifi_sta_sethostname(lua_State *L)
|
|
{
|
|
size_t l;
|
|
const char *hostname = luaL_checklstring(L, 1, &l);
|
|
|
|
esp_err_t err = esp_netif_set_hostname(wifi_sta, hostname);
|
|
|
|
if (err != ESP_OK)
|
|
return luaL_error (L, "failed to set hostname, code %d", err);
|
|
|
|
lua_pushboolean (L, err==ESP_OK);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int wifi_sta_config (lua_State *L)
|
|
{
|
|
luaL_checktable (L, 1);
|
|
bool save = luaL_optbool (L, 2, DEFAULT_SAVE);
|
|
lua_settop (L, 1);
|
|
|
|
wifi_config_t cfg;
|
|
memset (&cfg, 0, sizeof (cfg));
|
|
|
|
lua_getfield (L, 1, "ssid");
|
|
size_t len;
|
|
const char *str = luaL_checklstring (L, -1, &len);
|
|
if (len > sizeof (cfg.sta.ssid))
|
|
len = sizeof (cfg.sta.ssid);
|
|
strncpy ((char *)cfg.sta.ssid, str, len);
|
|
|
|
lua_getfield (L, 1, "pwd");
|
|
str = luaL_optlstring (L, -1, "", &len);
|
|
if (len > sizeof (cfg.sta.password))
|
|
len = sizeof (cfg.sta.password);
|
|
strncpy ((char *)cfg.sta.password, str, len);
|
|
|
|
lua_getfield (L, 1, "bssid");
|
|
cfg.sta.bssid_set = false;
|
|
if (lua_isstring (L, -1))
|
|
{
|
|
const char *bssid = luaL_checklstring (L, -1, &len);
|
|
const char *fmts[] = {
|
|
"%hhx%hhx%hhx%hhx%hhx%hhx",
|
|
"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
|
|
"%hhx-%hhx-%hhx-%hhx-%hhx-%hhx",
|
|
"%hhx %hhx %hhx %hhx %hhx %hhx",
|
|
NULL
|
|
};
|
|
for (unsigned i = 0; fmts[i]; ++i)
|
|
{
|
|
if (sscanf (bssid, fmts[i],
|
|
&cfg.sta.bssid[0], &cfg.sta.bssid[1], &cfg.sta.bssid[2],
|
|
&cfg.sta.bssid[3], &cfg.sta.bssid[4], &cfg.sta.bssid[5]) == 6)
|
|
{
|
|
cfg.sta.bssid_set = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!cfg.sta.bssid_set)
|
|
return luaL_error (L, "invalid BSSID: %s", bssid);
|
|
}
|
|
|
|
lua_getfield(L, 1, "pmf");
|
|
if (lua_isnumber(L, -1))
|
|
{
|
|
int pmf_mode = lua_tointeger(L, -1);
|
|
if (pmf_mode)
|
|
cfg.sta.pmf_cfg.capable = true;
|
|
if (pmf_mode == 2)
|
|
cfg.sta.pmf_cfg.required = true;
|
|
}
|
|
else
|
|
cfg.sta.pmf_cfg.capable = true;
|
|
|
|
SET_SAVE_MODE(save);
|
|
esp_err_t err = esp_wifi_set_config (WIFI_IF_STA, &cfg);
|
|
if (err != ESP_OK)
|
|
return luaL_error (L, "failed to set wifi config, code %d", err);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wifi_sta_connect (lua_State *L)
|
|
{
|
|
esp_err_t err = esp_wifi_connect ();
|
|
return (err == ESP_OK) ? 0 : luaL_error (L, "connect failed, code %d", err);
|
|
}
|
|
|
|
|
|
static int wifi_sta_disconnect (lua_State *L)
|
|
{
|
|
esp_err_t err = esp_wifi_disconnect ();
|
|
return (err == ESP_OK) ? 0 : luaL_error(L, "disconnect failed, code %d", err);
|
|
}
|
|
|
|
|
|
static int wifi_sta_getconfig (lua_State *L)
|
|
{
|
|
wifi_config_t cfg;
|
|
esp_err_t err = esp_wifi_get_config (WIFI_IF_STA, &cfg);
|
|
if (err != ESP_OK)
|
|
return luaL_error (L, "failed to get config, code %d", err);
|
|
|
|
lua_createtable (L, 0, 3);
|
|
size_t ssid_len = strnlen ((char *)cfg.sta.ssid, sizeof (cfg.sta.ssid));
|
|
lua_pushlstring (L, (char *)cfg.sta.ssid, ssid_len);
|
|
lua_setfield (L, -2, "ssid");
|
|
|
|
size_t pwd_len = strnlen ((char *)cfg.sta.password, sizeof (cfg.sta.password));
|
|
lua_pushlstring (L, (char *)cfg.sta.password, pwd_len);
|
|
lua_setfield (L, -2, "pwd");
|
|
|
|
if (cfg.sta.bssid_set)
|
|
{
|
|
char bssid_str[MAC_STR_SZ];
|
|
macstr (bssid_str, cfg.sta.bssid);
|
|
lua_pushstring (L, bssid_str);
|
|
lua_setfield (L, -2, "bssid");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int wifi_sta_getmac (lua_State *L)
|
|
{
|
|
return wifi_getmac(WIFI_IF_STA, L);
|
|
}
|
|
|
|
static void on_scan_done(esp_event_base_t base, int32_t id, const void *data)
|
|
{
|
|
(void)data;
|
|
|
|
lua_State *L = lua_getstate ();
|
|
lua_rawgeti (L, LUA_REGISTRYINDEX, scan_cb_ref);
|
|
luaL_unref (L, LUA_REGISTRYINDEX, scan_cb_ref);
|
|
scan_cb_ref = LUA_NOREF;
|
|
int nargs = 1;
|
|
if (!lua_isnoneornil (L, -1))
|
|
{
|
|
uint16_t num_ap = 0;
|
|
esp_err_t err = esp_wifi_scan_get_ap_num (&num_ap);
|
|
wifi_ap_record_t *aps = luaM_malloc (L, num_ap * sizeof (wifi_ap_record_t));
|
|
if ((err == ESP_OK) && (aps) &&
|
|
(err = esp_wifi_scan_get_ap_records (&num_ap, aps)) == ESP_OK)
|
|
{
|
|
lua_pushnil (L); // no error
|
|
|
|
lua_createtable (L, num_ap, 0); // prepare array
|
|
++nargs;
|
|
for (unsigned i = 0; i < num_ap; ++i)
|
|
{
|
|
lua_createtable (L, 0, 6); // prepare table for AP entry
|
|
|
|
char bssid_str[MAC_STR_SZ];
|
|
macstr (bssid_str, aps[i].bssid);
|
|
lua_pushstring (L, bssid_str);
|
|
lua_setfield (L, -2, "bssid");
|
|
|
|
size_t ssid_len =
|
|
strnlen ((const char *)aps[i].ssid, sizeof (aps[i].ssid));
|
|
lua_pushlstring (L, (const char *)aps[i].ssid, ssid_len);
|
|
lua_setfield (L, -2, "ssid");
|
|
|
|
lua_pushinteger (L, aps[i].primary);
|
|
lua_setfield (L, -2, "channel");
|
|
|
|
lua_pushinteger (L, aps[i].rssi);
|
|
lua_setfield (L, -2, "rssi");
|
|
|
|
lua_pushinteger (L, aps[i].authmode);
|
|
lua_setfield (L, -2, "auth");
|
|
|
|
lua_pushstring (L, wifi_second_chan_names[aps[i].second]);
|
|
lua_setfield (L, -2, "bandwidth");
|
|
|
|
lua_rawseti (L, -2, i + 1); // add table to array
|
|
}
|
|
}
|
|
else
|
|
lua_pushfstring (L, "failure on scan done");
|
|
luaM_free (L, aps);
|
|
luaL_pcallx (L, nargs, 0);
|
|
}
|
|
}
|
|
|
|
|
|
static int wifi_sta_on (lua_State *L)
|
|
{
|
|
return wifi_on (L, events, ARRAY_LEN(events), event_cb);
|
|
}
|
|
|
|
static int wifi_sta_scan (lua_State *L)
|
|
{
|
|
if (scan_cb_ref != LUA_NOREF)
|
|
return luaL_error (L, "scan already in progress");
|
|
|
|
luaL_checktable (L, 1);
|
|
|
|
luaL_checkfunction (L, 2);
|
|
lua_settop (L, 2);
|
|
scan_cb_ref = luaL_ref (L, LUA_REGISTRYINDEX);
|
|
|
|
wifi_scan_config_t scan_cfg;
|
|
memset (&scan_cfg, 0, sizeof (scan_cfg));
|
|
|
|
lua_getfield (L, 1, "ssid");
|
|
scan_cfg.ssid = (uint8_t *)luaL_optstring (L, -1, NULL);
|
|
|
|
lua_getfield (L, 1, "bssid");
|
|
scan_cfg.bssid = (uint8_t *)luaL_optstring (L, -1, NULL);
|
|
|
|
lua_getfield (L, 1, "channel");
|
|
scan_cfg.channel = luaL_optint (L, -1, 0);
|
|
|
|
lua_getfield (L, 1, "hidden");
|
|
scan_cfg.show_hidden = luaL_optint (L, -1, 0);
|
|
|
|
esp_err_t err = esp_wifi_scan_start (&scan_cfg, false);
|
|
if (err != ESP_OK)
|
|
{
|
|
luaL_unref (L, LUA_REGISTRYINDEX, scan_cb_ref);
|
|
scan_cb_ref = LUA_NOREF;
|
|
return luaL_error (L, "failed to start scan, code %d", err);
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
LROT_BEGIN(wifi_sta, NULL, 0)
|
|
LROT_FUNCENTRY( setip, wifi_sta_setip )
|
|
LROT_FUNCENTRY( sethostname, wifi_sta_sethostname )
|
|
LROT_FUNCENTRY( config, wifi_sta_config )
|
|
LROT_FUNCENTRY( connect, wifi_sta_connect )
|
|
LROT_FUNCENTRY( disconnect, wifi_sta_disconnect )
|
|
LROT_FUNCENTRY( getconfig, wifi_sta_getconfig )
|
|
LROT_FUNCENTRY( getmac, wifi_sta_getmac )
|
|
LROT_FUNCENTRY( on, wifi_sta_on )
|
|
LROT_FUNCENTRY( scan, wifi_sta_scan )
|
|
|
|
LROT_NUMENTRY( PMF_OFF, 0 )
|
|
LROT_NUMENTRY( PMF_AVAILABLE, 1 )
|
|
LROT_NUMENTRY( PMF_REQUIRED, 2 )
|
|
LROT_END(wifi_sta, NULL, 0)
|
|
|
|
NODEMCU_ESP_EVENT(WIFI_EVENT, WIFI_EVENT_SCAN_DONE, on_scan_done);
|