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wifi.c
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// Module for interfacing with WIFI
// FIXME: sprintf->snprintf everywhere.
#include "module.h"
#include "lauxlib.h"
#include "platform.h"
#include <string.h>
#include <stddef.h>
#include "ctype.h"
#include <stdint.h>
#include "user_interface.h"
#include "wifi_common.h"
#ifdef WIFI_SMART_ENABLE
#include "smart/smart.h"
#include "smartconfig.h"
static int wifi_smart_succeed = LUA_NOREF;
#endif
static uint8 getap_output_format=0;
#define INVALID_MAC_STR "MAC:FF:FF:FF:FF:FF:FF"
#ifdef WIFI_SMART_ENABLE
static void wifi_smart_succeed_cb(sc_status status, void *pdata){
NODE_DBG("wifi_smart_succeed_cb is called.\n");
lua_State* L = lua_getstate();
if (status == SC_STATUS_LINK_OVER)
{
smartconfig_stop();
return;
}
#if defined( NODE_SMART_OLDSTYLE )
if (status != SC_STATUS_LINK || !pdata)
return;
if(wifi_smart_succeed == LUA_NOREF)
return;
lua_State* L = (lua_State *)arg;
lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_smart_succeed);
luaL_pcallx(L, 0, 0);
#else
if (status != SC_STATUS_LINK || !pdata)
return;
struct station_config *sta_conf = pdata;
wifi_station_set_config(sta_conf);
wifi_station_disconnect();
wifi_station_connect();
if(wifi_smart_succeed != LUA_NOREF)
{
lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_smart_succeed);
lua_pushstring(L, sta_conf->ssid);
lua_pushstring(L, sta_conf->password);
unregister_lua_cb(L, &wifi_smart_succeed);
luaL_pcallx(L, 2, 0);
}
#endif // defined( NODE_SMART_OLDSTYLE )
}
#endif // WIFI_SMART_ENABLE
static int wifi_scan_succeed = LUA_NOREF;
// callback for wifi_station_listap
static void wifi_scan_done(void *arg, STATUS status)
{
lua_State* L = lua_getstate();
uint8 ssid[33];
char temp[sizeof("11:22:33:44:55:66")];
if(wifi_scan_succeed == LUA_NOREF)
return;
if(arg == NULL)
return;
lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_scan_succeed);
if (status == OK)
{
struct bss_info *bss_link = (struct bss_info *)arg;
lua_newtable( L );
while (bss_link != NULL)
{
memset(ssid, 0, 33);
if (strlen(bss_link->ssid) <= 32)
{
memcpy(ssid, bss_link->ssid, strlen(bss_link->ssid));
}
else
{
memcpy(ssid, bss_link->ssid, 32);
}
if(getap_output_format==1) //use new format(BSSID : SSID, RSSI, Authmode, Channel)
{
sprintf(temp,MACSTR, MAC2STR(bss_link->bssid));
wifi_add_sprintf_field(L, temp, "%s,%d,%d,%d",
ssid, bss_link->rssi, bss_link->authmode, bss_link->channel);
NODE_DBG(MACSTR" : %s\n",MAC2STR(bss_link->bssid) , temp);//00 00 00 00 00 00
}
else //use old format(SSID : Authmode, RSSI, BSSID, Channel)
{
wifi_add_sprintf_field(L, ssid, "%d,%d,"MACSTR",%d",
bss_link->authmode, bss_link->rssi, MAC2STR(bss_link->bssid),bss_link->channel);
NODE_DBG("%s : %s\n", ssid, temp);
}
bss_link = bss_link->next.stqe_next;
}
}
else
{
lua_newtable( L );
}
unregister_lua_cb(L, &wifi_scan_succeed);
luaL_pcallx(L, 1, 0);
}
#ifdef WIFI_SMART_ENABLE
// Lua: smart(channel, function succeed_cb)
// Lua: smart(type, function succeed_cb)
static int wifi_start_smart( lua_State* L )
{
#if defined( NODE_SMART_OLDSTYLE )
unsigned channel;
int stack = 1;
if ( lua_isnumber(L, stack) )
{
channel = lua_tointeger(L, stack);
stack++;
}
else
{
channel = 6;
}
// luaL_checktype(L, stack, LUA_TFUNCTION);
if (lua_isfunction(L, stack))
{
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
if(wifi_smart_succeed != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, wifi_smart_succeed);
wifi_smart_succeed = luaL_ref(L, LUA_REGISTRYINDEX);
}
if ( channel > 14 || channel < 1 )
return luaL_error( L, "wrong arg range" );
if(wifi_smart_succeed == LUA_NOREF){
smart_begin(channel, NULL, NULL);
}
else
{
smart_begin(channel, (smart_succeed )wifi_smart_succeed_cb, L);
}
#else
if(wifi_get_opmode() != STATION_MODE)
{
return luaL_error( L, "Smart link only in STATION mode" );
}
uint8_t smart_type = 0;
int stack = 1;
if ( lua_isnumber(L, stack) )
{
smart_type = lua_tointeger(L, stack);
stack++;
}
if (lua_isfunction(L, stack))
{
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
register_lua_cb(L, &wifi_smart_succeed);
}
if ( smart_type > 1 )
return luaL_error( L, "wrong arg range" );
smartconfig_set_type(smart_type);
smartconfig_start(wifi_smart_succeed_cb);
#endif // defined( NODE_SMART_OLDSTYLE )
return 0;
}
// Lua: exit_smart()
static int wifi_exit_smart( lua_State* L )
{
#if defined( NODE_SMART_OLDSTYLE )
smart_end();
#else
smartconfig_stop();
#endif // defined( NODE_SMART_OLDSTYLE )
unregister_lua_cb(L, &wifi_smart_succeed);
return 0;
}
#endif // WIFI_SMART_ENABLE
// Lua: wifi.getcountry()
static int wifi_getcountry( lua_State* L ){
wifi_country_t cfg = {0};
if(wifi_get_country(&cfg)){
lua_newtable(L);
lua_pushstring(L, "country");
lua_pushstring(L, cfg.cc);
lua_rawset(L, -3);
lua_pushstring(L, "start_ch");
lua_pushinteger(L, cfg.schan);
lua_rawset(L, -3);
lua_pushstring(L, "end_ch");
lua_pushinteger(L, (cfg.schan + cfg.nchan)-1);
lua_rawset(L, -3);
lua_pushstring(L, "policy");
lua_pushinteger(L, cfg.policy);
lua_rawset(L, -3);
return 1;
}
else{
return luaL_error(L, "Unable to get country info");
}
}
// Lua: wifi.setcountry()
static int wifi_setcountry( lua_State* L ){
size_t len;
uint8 start_ch;
uint8 end_ch;
wifi_country_t cfg = {0};
if(lua_istable(L, 1)){
lua_getfield(L, 1, "country");
if (!lua_isnil(L, -1)){
if( lua_isstring(L, -1) ){
const char *country_code = luaL_checklstring( L, -1, &len );
luaL_argcheck(L, (len==2 && isalpha(country_code[0]) && isalpha(country_code[1])), 1, "country: country code must be 2 chars");
memcpy(cfg.cc, country_code, len);
if(cfg.cc[0] >= 0x61) cfg.cc[0]=cfg.cc[0]-32; //if lowercase change to uppercase
if(cfg.cc[1] >= 0x61) cfg.cc[1]=cfg.cc[1]-32; //if lowercase change to uppercase
}
else
return luaL_argerror( L, 1, "country: must be string" );
}
else{
cfg.cc[0]='C';
cfg.cc[1]='N';
cfg.cc[2]=0x00;
}
lua_pop(L, 1);
lua_getfield(L, 1, "start_ch");
if (!lua_isnil(L, -1)){
if(lua_isnumber(L, -1)){
start_ch = (uint8)luaL_checkinteger(L, -1);
luaL_argcheck(L, (start_ch >= 1 && start_ch <= 14), 1, "start_ch: Range:1-14");
cfg.schan = start_ch;
}
else
luaL_argerror(L, 1, "start_ch: must be a number");
}
else
cfg.schan = 1;
lua_pop(L, 1);
lua_getfield(L, 1, "end_ch");
if (!lua_isnil(L, -1)){
if(lua_isnumber(L, -1)){
end_ch = (uint8)luaL_checkinteger(L, -1);
luaL_argcheck(L, (end_ch >= 1 && end_ch <= 14), 1, "end_ch: Range:1-14");
luaL_argcheck(L, (end_ch >= cfg.schan), 1, "end_ch: can't be less than start_ch");
cfg.nchan = (end_ch-cfg.schan)+1; //cfg.nchan must equal total number of channels
}
else
luaL_argerror(L, 1, "end_ch: must be a number");
}
else
cfg.nchan = (13-cfg.schan)+1;
lua_pop(L, 1);
lua_getfield(L, 1, "policy");
if (!lua_isnil(L, -1)){
if(lua_isnumber(L, -1)){
uint8 policy = (uint8)luaL_checkinteger(L, -1);
luaL_argcheck(L, (policy == WIFI_COUNTRY_POLICY_AUTO || policy == WIFI_COUNTRY_POLICY_MANUAL), 1, "policy: must be 0 or 1");
cfg.policy = policy;
}
else
luaL_argerror(L, 1, "policy: must be a number");
}
else
cfg.policy = WIFI_COUNTRY_POLICY_AUTO;
lua_pop(L, 1);
lua_pop(L, 1); //pop table from stack
bool retval = wifi_set_country(&cfg);
WIFI_DBG("\n country_cfg:\tcc:\"%s\"\tschan:%d\tnchan:%d\tpolicy:%d\n", cfg.cc, cfg.schan, cfg.nchan, cfg.policy);
if (retval==1)
lua_pushboolean(L, true);
else
return luaL_error(L, "Unable to set country info");
}
else
return luaL_argerror(L, 1, "Table not found!");
return 1;
}
// Lua: wifi.setmode(mode, save_to_flash)
static int wifi_setmode( lua_State* L )
{
unsigned mode;
bool save_to_flash=true;
mode = luaL_checkinteger( L, 1 );
luaL_argcheck(L, mode == STATION_MODE || mode == SOFTAP_MODE || mode == STATIONAP_MODE || mode == NULL_MODE, 1, "Invalid mode");
if(!lua_isnoneornil(L, 2))
{
luaL_checktype (L, 2, LUA_TBOOLEAN);
save_to_flash=lua_toboolean(L, 2);
}
if(save_to_flash)
{
wifi_set_opmode( (uint8_t)mode);
}
else
{
wifi_set_opmode_current( (uint8_t)mode);
}
mode = (unsigned)wifi_get_opmode();
lua_pushinteger( L, mode );
return 1;
}
// Lua: wifi.getmode()
static int wifi_getmode( lua_State* L )
{
unsigned mode;
mode = (unsigned)wifi_get_opmode();
lua_pushinteger( L, mode );
return 1;
}
// Lua: wifi.getdefaultmode()
static int wifi_getdefaultmode( lua_State* L )
{
unsigned mode;
mode = (unsigned)wifi_get_opmode_default();
lua_pushinteger( L, mode );
return 1;
}
// Lua: wifi.getchannel()
static int wifi_getchannel( lua_State* L )
{
unsigned channel;
channel = (unsigned)wifi_get_channel();
lua_pushinteger( L, channel );
return 1;
}
// Lua: wifi.setphymode()
static int wifi_setphymode( lua_State* L )
{
unsigned mode;
mode = luaL_checkinteger( L, 1 );
if ( mode != PHY_MODE_11B && mode != PHY_MODE_11G && mode != PHY_MODE_11N )
return luaL_error( L, "wrong arg type" );
wifi_set_phy_mode( (uint8_t)mode);
mode = (unsigned)wifi_get_phy_mode();
lua_pushinteger( L, mode );
return 1;
}
// Lua: wifi.getphymode()
static int wifi_getphymode( lua_State* L )
{
unsigned mode;
mode = (unsigned)wifi_get_phy_mode();
lua_pushinteger( L, mode );
return 1;
}
// Lua: wifi.setmaxtxpower()
static int wifi_setmaxtxpower( lua_State* L )
{
unsigned power;
power = luaL_checkinteger( L, 1 );
luaL_argcheck(L, (power > 0 && power < 83), 1, "tx power out of range (0->82)");
system_phy_set_max_tpw( (uint8_t) power);
return 1;
}
#ifdef PMSLEEP_ENABLE
/* Begin WiFi suspend functions*/
#include <pm/pmSleep.h>
static int wifi_resume_cb_ref = LUA_NOREF; // Holds resume callback reference
static int wifi_suspend_cb_ref = LUA_NOREF; // Holds suspend callback reference
void wifi_pmSleep_suspend_CB(void)
{
PMSLEEP_DBG("\n\tDBG: %s start\n", __func__);
if (wifi_suspend_cb_ref != LUA_NOREF)
{
lua_State* L = lua_getstate(); // Get main Lua thread pointer
lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_suspend_cb_ref); // Push suspend callback onto stack
luaL_unref(L, LUA_REGISTRYINDEX, wifi_suspend_cb_ref); // remove suspend callback from LUA_REGISTRY
wifi_suspend_cb_ref = LUA_NOREF; // Update variable since reference is no longer valid
luaL_pcallx(L, 0, 0); // Execute suspend callback
}
else
{
PMSLEEP_DBG("\n\tDBG: lua cb unavailable\n");
}
PMSLEEP_DBG("\n\tDBG: %s end\n", __func__);
return;
}
void wifi_pmSleep_resume_CB(void)
{
PMSLEEP_DBG("\n\tDBG: %s start\n", __func__);
// If resume callback was defined
pmSleep_execute_lua_cb(&wifi_resume_cb_ref);
PMSLEEP_DBG("\n\tDBG: %s end\n", __func__);
return;
}
// Lua: wifi.suspend({duration, suspend_cb, resume_cb, preserve_mode})
static int wifi_suspend(lua_State* L)
{
// If no parameters were provided
if (lua_isnone(L, 1))
{
// Return current WiFi suspension state
lua_pushinteger(L, pmSleep_get_state());
return 1; // Return WiFi suspension state
}
pmSleep_INIT_CFG(cfg);
cfg.sleep_mode = MODEM_SLEEP_T;
if(lua_istable(L, 1))
{
pmSleep_parse_table_lua(L, 1, &cfg, &wifi_suspend_cb_ref, &wifi_resume_cb_ref);
}
else
return luaL_argerror(L, 1, "must be table");
cfg.resume_cb_ptr = &wifi_pmSleep_resume_CB;
cfg.suspend_cb_ptr = &wifi_pmSleep_suspend_CB;
pmSleep_suspend(&cfg);
return 0;
}
// Lua: wifi.resume([Resume_CB])
static int wifi_resume(lua_State* L)
{
PMSLEEP_DBG("\n\tDBG: %s start\n", __func__);
uint8 fpm_state = pmSleep_get_state();
// If forced sleep api is not enabled, return error
if (fpm_state == 0)
{
return luaL_error(L, "WIFi not suspended");
}
// If a resume callback was provided
if (lua_isfunction(L, 1))
{
// If there is already a resume callback reference
lua_pushvalue(L, 1); //Push resume callback to the top of the stack
register_lua_cb(L, &wifi_resume_cb_ref);
PMSLEEP_DBG("\n\tDBG: Resume CB registered\n");
}
pmSleep_resume(NULL);
PMSLEEP_DBG("\n\tDBG: %s end\n", __func__);
return 0;
}
/* End WiFi suspend functions*/
#else
static char *susp_note_str = "\n The option \"PMSLEEP_ENABLE\" in \"app/include/user_config.h\" was disabled during FW build!\n";
static char *susp_unavailable_str = "wifi.suspend is unavailable";
static int wifi_suspend(lua_State* L){
dbg_printf("%s", susp_note_str);
return luaL_error(L, susp_unavailable_str);
}
static int wifi_resume(lua_State* L){
dbg_printf("%s", susp_note_str);
return luaL_error(L, susp_unavailable_str);
}
#endif
// Lua: wifi.nullmodesleep()
static int wifi_null_mode_auto_sleep(lua_State* L)
{
if (!lua_isnone(L, 1))
{
bool auto_sleep_setting=lua_toboolean(L, 1);
if (auto_sleep_setting!=(bool) get_fpm_auto_sleep_flag())
{
wifi_fpm_auto_sleep_set_in_null_mode((uint8)auto_sleep_setting);
//if esp is already in NULL_MODE, auto sleep setting won't take effect until next wifi_set_opmode(NULL_MODE) call.
if(wifi_get_opmode()==NULL_MODE)
{
wifi_set_opmode_current(NULL_MODE);
}
}
}
lua_pushboolean(L, (bool) get_fpm_auto_sleep_flag());
return 1;
}
// Lua: mac = wifi.xx.getmac()
static int wifi_getmac( lua_State* L, uint8_t mode )
{
char temp[64];
uint8_t mac[6];
wifi_get_macaddr(mode, mac);
sprintf(temp, MACSTR, MAC2STR(mac));
lua_pushstring( L, temp );
return 1;
}
// Lua: mac = wifi.xx.setmac()
static int wifi_setmac( lua_State* L, uint8_t mode )
{
uint8_t mac[6];
unsigned len = 0;
const char *macaddr = luaL_checklstring( L, 1, &len );
luaL_argcheck(L, len==17, 1, INVALID_MAC_STR);
ets_str2macaddr(mac, macaddr);
lua_pushboolean(L,wifi_set_macaddr(mode, (uint8 *)mac));
return 1;
}
// Lua: ip = wifi.xx.getip()
static int wifi_getip( lua_State* L, uint8_t mode )
{
struct ip_info pTempIp;
char temp[64];
wifi_get_ip_info(mode, &pTempIp);
if(pTempIp.ip.addr==0){
lua_pushnil(L);
return 1;
}
else
{
sprintf(temp, "%d.%d.%d.%d", IP2STR(&pTempIp.ip) );
lua_pushstring( L, temp );
sprintf(temp, "%d.%d.%d.%d", IP2STR(&pTempIp.netmask) );
lua_pushstring( L, temp );
sprintf(temp, "%d.%d.%d.%d", IP2STR(&pTempIp.gw) );
lua_pushstring( L, temp );
return 3;
}
}
// Lua: broadcast = wifi.xx.getbroadcast()
static int wifi_getbroadcast( lua_State* L, uint8_t mode )
{
struct ip_info pTempIp;
char temp[64];
wifi_get_ip_info(mode, &pTempIp);
if(pTempIp.ip.addr==0){
lua_pushnil(L);
return 1;
}
else
{
struct ip_addr broadcast_address;
uint32 subnet_mask32 = pTempIp.netmask.addr & pTempIp.ip.addr;
uint32 broadcast_address32 = ~pTempIp.netmask.addr | subnet_mask32;
broadcast_address.addr = broadcast_address32;
sprintf(temp, "%d.%d.%d.%d", IP2STR(&broadcast_address) );
lua_pushstring( L, temp );
return 1;
}
}
// Used by wifi_setip
static uint32_t parse_key(lua_State* L, const char * key){
lua_getfield(L, 1, key);
if( lua_isstring(L, -1) ) // deal with the ip/netmask/gw string
{
const char *ip = luaL_checkstring( L, -1 );
return ipaddr_addr(ip);
}
lua_pop(L, 1);
return 0;
}
// Lua: ip = wifi.xx.setip()
static int wifi_setip( lua_State* L, uint8_t mode )
{
struct ip_info pTempIp;
wifi_get_ip_info(mode, &pTempIp);
if (!lua_istable(L, 1))
return luaL_error( L, "wrong arg type" );
uint32_t ip = parse_key(L, "ip");
if(ip!=0)
pTempIp.ip.addr = ip;
ip = parse_key(L, "netmask");
if(ip!=0)
pTempIp.netmask.addr = ip;
ip = parse_key(L, "gateway");
if(mode==SOFTAP_IF || ip!=0)
pTempIp.gw.addr = ip;
if(STATION_IF == mode)
{
wifi_station_dhcpc_stop();
lua_pushboolean(L,wifi_set_ip_info(mode, &pTempIp));
}
else
{
wifi_softap_dhcps_stop();
lua_pushboolean(L,wifi_set_ip_info(mode, &pTempIp));
wifi_softap_dhcps_start();
}
return 1;
}
// Lua: wifi.sta.getapinfo
static int wifi_station_get_ap_info4lua( lua_State* L )
{
struct station_config config[5];
char temp[sizeof(config[0].password)+1]; //max password length + '\0'
uint8 number_of_aps = wifi_station_get_ap_info(config);
#if defined(WIFI_DEBUG)
char debug_temp[128];
#endif
lua_newtable(L);
lua_pushinteger(L, number_of_aps);
lua_setfield(L, -2, "qty");
WIFI_DBG("\n\t# of APs stored in flash:%d\n", number_of_aps);
WIFI_DBG(" %-6s %-32s %-64s %-17s\n", "index:", "ssid:", "password:", "bssid:");
for(int i=0;i<number_of_aps;i++)
{
lua_newtable(L);
memset(temp, 0, sizeof(temp));
memcpy(temp, config[i].ssid, sizeof(config[i].ssid));
lua_pushstring(L, temp);
lua_setfield(L, -2, "ssid");
#if defined(WIFI_DEBUG)
sprintf(debug_temp, " %-6d %-32s ", i, temp);
#endif
memset(temp, 0, sizeof(temp));
if(strlen(config[i].password) > 0) /* WPA = min 8, WEP = min 5 ASCII characters for a 40-bit key */
{
memcpy(temp, config[i].password, sizeof(config[i].password));
lua_pushstring(L, temp);
lua_setfield(L, -2, "pwd");
}
#if defined(WIFI_DEBUG)
sprintf(debug_temp + strlen(debug_temp), "%-64s ", temp);
#endif
memset(temp, 0, sizeof(temp));
if (config[i].bssid_set)
{
sprintf(temp, MACSTR, MAC2STR(config[i].bssid));
lua_pushstring(L, temp);
lua_setfield(L, -2, "bssid");
}
#if defined(WIFI_DEBUG)
WIFI_DBG("%s%-17s \n", debug_temp, temp);
#endif
lua_pushinteger(L, i+1); //Add one, so that AP index follows Lua Conventions
lua_insert(L, -2);
lua_settable(L, -3);
}
return 1;
}
// Lua: wifi.setapnumber(number_of_aps_to_save)
static int wifi_station_ap_number_set4lua( lua_State* L )
{
unsigned limit=luaL_checkinteger(L, 1);
luaL_argcheck(L, (limit >= 1 && limit <= 5), 1, "Valid range: 1-5");
lua_pushboolean(L, wifi_station_ap_number_set((uint8)limit));
return 1;
}
// Lua: wifi.setapnumber(number_of_aps_to_save)
static int wifi_station_change_ap( lua_State* L )
{
uint8 ap_index=luaL_checkinteger(L, 1);
luaL_argcheck(L, (ap_index >= 1 && ap_index <= 5), 1, "Valid range: 1-5");
lua_pushboolean(L, wifi_station_ap_change(ap_index-1));
return 1;
}
// Lua: wifi.setapnumber(number_of_aps_to_save)
static int wifi_station_get_ap_index( lua_State* L )
{
lua_pushinteger(L, wifi_station_get_current_ap_id()+1);
return 1;
}
// Lua: wifi.sta.getmac()
static int wifi_station_getmac( lua_State* L ){
return wifi_getmac(L, STATION_IF);
}
// Lua: wifi.sta.setmac()
static int wifi_station_setmac( lua_State* L ){
return wifi_setmac(L, STATION_IF);
}
// Lua: wifi.sta.getip()
static int wifi_station_getip( lua_State* L ){
return wifi_getip(L, STATION_IF);
}
// Lua: wifi.sta.setip()
static int wifi_station_setip( lua_State* L ){
return wifi_setip(L, STATION_IF);
}
// Lua: wifi.sta.getbroadcast()
static int wifi_station_getbroadcast( lua_State* L ){
return wifi_getbroadcast(L, STATION_IF);
}
// Used by wifi_station_getconfig_xxx
static int wifi_station_getconfig( lua_State* L, bool get_flash_cfg)
{
struct station_config sta_conf;
char temp[sizeof(sta_conf.password)+1]; //max password length + '\0'
if(get_flash_cfg)
{
wifi_station_get_config_default(&sta_conf);
}
else
{
wifi_station_get_config(&sta_conf);
}
if(sta_conf.ssid==0)
{
lua_pushnil(L);
return 1;
}
else
{
if(lua_isboolean(L, 1) && lua_toboolean(L, 1)==true)
{
lua_newtable(L);
memset(temp, 0, sizeof(temp));
memcpy(temp, sta_conf.ssid, sizeof(sta_conf.ssid));
lua_pushstring(L, temp);
lua_setfield(L, -2, "ssid");
if(strlen(sta_conf.password) > 0) /* WPA = min 8, WEP = min 5 ASCII characters for a 40-bit key */
{
memset(temp, 0, sizeof(temp));
memcpy(temp, sta_conf.password, sizeof(sta_conf.password));
lua_pushstring(L, temp);
lua_setfield(L, -2, "pwd");
}
lua_pushboolean(L, sta_conf.bssid_set);
lua_setfield(L, -2, "bssid_set");
memset(temp, 0, sizeof(temp));
sprintf(temp, MACSTR, MAC2STR(sta_conf.bssid));
lua_pushstring( L, temp);
lua_setfield(L, -2, "bssid");
return 1;
}
else
{
memset(temp, 0, sizeof(temp));
memcpy(temp, sta_conf.ssid, sizeof(sta_conf.ssid));
lua_pushstring(L, temp);
memset(temp, 0, sizeof(temp));
memcpy(temp, sta_conf.password, sizeof(sta_conf.password));
lua_pushstring(L, temp);
lua_pushinteger( L, sta_conf.bssid_set);
sprintf(temp, MACSTR, MAC2STR(sta_conf.bssid));
lua_pushstring( L, temp);
return 4;
}
}
}
// Lua: wifi.sta.getconfig()
static int wifi_station_getconfig_current(lua_State *L)
{
return wifi_station_getconfig(L, false);
}
// Lua: wifi.sta.getdefaultconfig()
static int wifi_station_getconfig_default(lua_State *L)
{
return wifi_station_getconfig(L, true);
}
// Lua: wifi.sta.clearconfig()
static int wifi_station_clear_config ( lua_State* L )
{
struct station_config sta_conf;
bool auto_connect=true;
bool save_to_flash=true;
memset(&sta_conf, 0, sizeof(sta_conf));
wifi_station_disconnect();
bool config_success;
if(save_to_flash)
{
config_success = wifi_station_set_config(&sta_conf);
}
else
{
config_success = wifi_station_set_config_current(&sta_conf);
}
wifi_station_set_auto_connect((uint8)0);
lua_pushboolean(L, config_success);
return 1;
}
// Lua: wifi.sta.config()
static int wifi_station_config( lua_State* L )
{
struct station_config sta_conf;
bool auto_connect=true;
bool save_to_flash=true;
size_t sl, pl, ml;
memset(&sta_conf, 0, sizeof(sta_conf));
sta_conf.threshold.rssi = -127;
sta_conf.threshold.authmode = AUTH_OPEN;
if(lua_istable(L, 1))
{
lua_getfield(L, 1, "ssid");
if (!lua_isnil(L, -1))
{
if( lua_isstring(L, -1) )
{
const char *ssid = luaL_checklstring( L, -1, &sl );
luaL_argcheck(L, ((sl>=0 && sl<=sizeof(sta_conf.ssid)) ), 1, "ssid: length:0-32"); /* Zero-length SSID is valid as a way to clear config */
memcpy(sta_conf.ssid, ssid, sl);
}
else
{
return luaL_argerror( L, 1, "ssid:not string" );
}
}
else
{
return luaL_argerror( L, 1, "ssid required" );
}
lua_pop(L, 1);
lua_getfield(L, 1, "pwd");
if (!lua_isnil(L, -1))
{
if( lua_isstring(L, -1) )
{
const char *pwd = luaL_checklstring( L, -1, &pl );
luaL_argcheck(L, ((pl>=0 && pl<=sizeof(sta_conf.password)) ), 1, "pwd: length:0-64"); /* WPA = min 8, WEP = min 5 ASCII characters for a 40-bit key */
memcpy(sta_conf.password, pwd, pl);
}
else
{
return luaL_argerror( L, 1, "pwd:not string" );
}
}
lua_pop(L, 1);
lua_getfield(L, 1, "bssid");
if (!lua_isnil(L, -1))
{
if (lua_isstring(L, -1))
{
const char *macaddr = luaL_checklstring( L, -1, &ml );
luaL_argcheck(L, ((ml==sizeof("AA:BB:CC:DD:EE:FF")-1) ), 1, "bssid: FF:FF:FF:FF:FF:FF");
ets_str2macaddr(sta_conf.bssid, macaddr);
sta_conf.bssid_set = 1;
}
else
{
return luaL_argerror(L, 1, "bssid:not string");
}
}
lua_pop(L, 1);
lua_getfield(L, 1, "auto");
if (!lua_isnil(L, -1))
{
if (lua_isboolean(L, -1))
{
auto_connect=lua_toboolean(L, -1);
}
else
{
return luaL_argerror(L, 1, "auto:not boolean");
}
}
lua_pop(L, 1);
lua_getfield(L, 1, "save");
if (!lua_isnil(L, -1))
{
if (lua_isboolean(L, -1))
{
save_to_flash=lua_toboolean(L, -1);
}
else
{
return luaL_argerror(L, 1, "save:not boolean");
}
}
else
{
save_to_flash=true;
}
lua_pop(L, 1);
#ifdef WIFI_SDK_EVENT_MONITOR_ENABLE
lua_State* L_temp = NULL;
lua_getfield(L, 1, "connect_cb");
if (!lua_isnil(L, -1))
{
if (lua_isfunction(L, -1))
{
L_temp = lua_newthread(L);
lua_pushinteger(L, EVENT_STAMODE_CONNECTED);
lua_pushvalue(L, -3);
lua_xmove(L, L_temp, 2);
wifi_event_monitor_register(L_temp);
}
else
{
return luaL_argerror(L, 1, "connect_cb:not function");
}
}
lua_pop(L, 1);
lua_getfield(L, 1, "disconnect_cb");
if (!lua_isnil(L, -1))
{
if (lua_isfunction(L, -1))
{
L_temp = lua_newthread(L);
lua_pushinteger(L, EVENT_STAMODE_DISCONNECTED);
lua_pushvalue(L, -3);