#include "lualib.h"
#include "lauxlib.h"
#include "platform.h"
#include "auxmods.h"
#include "lrotable.h"
#include "c_stdlib.h"
#include "c_string.h"
#include "user_interface.h"
#include "espconn.h"
#include "flash_fs.h"
#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#define PRINT_FUNC_ENABLE 0
#if PRINT_FUNC_ENABLE
#define PRINT_FUNC c_printf
#else
#define PRINT_FUNC
#endif
/**
* DNS Response Packet:
*
* |DNS ID - 16 bits|
* |dns_header|
* |QNAME|
* |dns_body|
* |ip - 32 bits|
*
* DNS Header Part | FLAGS | | Q COUNT | | A CNT | |AUTH CNT| | ADD CNT| */
static const char ROM_CONST_ATTR dns_header[] = { 0x80, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 };
/* DNS Query Part | Q TYPE | | Q CLASS| */
static const char ROM_CONST_ATTR dns_body[] = { 0x00, 0x01, 0x00, 0x01,
/* DNS Answer Part |LBL OFFS| | TYPE | | CLASS | | TTL | | RD LEN | */
0xC0, 0x0C, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x78, 0x00, 0x04 };
static const char ROM_CONST_ATTR http_html_filename[] = "index.html";
static const char ROM_CONST_ATTR http_header_200[] = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
static const char ROM_CONST_ATTR http_header_404[] = "HTTP/1.1 404 Not Found\r\n";
static const char ROM_CONST_ATTR http_html_backup[] = "Connect gadget to you WiFi";
static struct espconn *espconn_dns_udp;
static struct espconn *espconn_http_tcp;
typedef struct http_payload_t {
char *data;
uint32_t len;
} http_payload_t;
static http_payload_t http_payload;
static os_timer_t check_station_timer;
static int enduser_setup_start(lua_State* L);
static int enduser_setup_stop(lua_State* L);
static void enduser_setup_station_start(void);
static void enduser_setup_ap_start(void);
static void enduser_setup_ap_stop(void);
static void enduser_setup_check_station(void);
static void enduser_setup_check_station_start(void)
{
PRINT_FUNC("enduser_setup_check_station_start\n");
os_timer_setfn(&check_station_timer, enduser_setup_check_station, NULL);
os_timer_arm(&check_station_timer, 1*1000, TRUE);
}
static void enduser_setup_check_station_stop(void)
{
PRINT_FUNC("enduser_setup_check_station_stop\n");
os_timer_disarm(&check_station_timer);
}
/**
* Check Station
*
* Check that we've successfully entered station mode.
*/
static void enduser_setup_check_station(void)
{
struct ip_info ip;
c_memset(&ip, 0, sizeof(struct ip_info));
wifi_get_ip_info(STATION_IF, &ip);
int i;
char has_ip = 0;
for (i = 0; i < sizeof(struct ip_info); ++i)
{
has_ip |= ((char *) &ip)[i];
}
if (has_ip == 0)
{
return;
}
struct station_config cnf;
wifi_station_get_config(&cnf);
uint8_t *ip_byte = (uint8_t *) &(ip.ip);
NODE_DEBUG("Connected to \"%s\" as %u.%u.%u.%u\n", cnf.ssid, IP2STR(&ip));
enduser_setup_stop(NULL);
}
/**
* Search String
*
* Search string for first occurance of any char in srch_str.
*
* @return -1 iff no occurance of char was found.
*/
static int enduser_setup_srch_str(const char *str, const char *srch_str)
{
int srch_str_len = c_strlen(srch_str);
int first_hit = INT_MAX;
int i;
for (i = 0; i < srch_str_len; ++i)
{
char *char_ptr = strchr(str, srch_str[i]);
if (char_ptr == NULL)
{
continue;
}
int char_idx = char_ptr - str;
first_hit = MIN(first_hit, char_idx);
}
if (first_hit == INT_MAX)
{
return -1;
}
return first_hit;
}
static void enduser_setup_http_free(void)
{
http_payload.len = 0;
c_free(http_payload.data);
http_payload.data = NULL;
if (espconn_http_tcp != NULL)
{
if (espconn_http_tcp->proto.tcp != NULL)
{
c_free(espconn_http_tcp->proto.tcp);
}
c_free(espconn_http_tcp);
espconn_http_tcp = NULL;
}
}
/**
* Load HTTP Payload
*
* @return - 0 iff payload loaded successfully
* 1 iff backup html was loaded
* 2 iff out of memory
*/
static int enduser_setup_http_load_payload(void)
{
PRINT_FUNC("enduser_setup_http_load_payload\n");
int f = fs_open(http_html_filename, fs_mode2flag("r"));
int err = fs_seek(f, 0, FS_SEEK_END);
int file_len = (int) fs_tell(f);
int err2 = fs_seek(f, 0, FS_SEEK_SET);
if (f == 0 || err == -1 || err2 == -1)
{
NODE_DEBUG("enduser_setup_http_load_payload unable to load file \"%s\", loading backup HTML.\n", http_html_filename);
int payload_len = sizeof(http_header_200) + sizeof(http_html_backup);
http_payload.len = payload_len;
http_payload.data = (char *) c_malloc(payload_len);
if (http_payload.data == NULL)
{
return 2;
}
int offset = 0;
c_memcpy(&(http_payload.data[offset]), &(http_header_200), sizeof(http_header_200));
offset += sizeof(http_header_200);
c_memcpy(&(http_payload.data[offset]), &(http_html_backup), sizeof(http_html_backup));
return 1;
}
int payload_len = sizeof(http_header_200) + file_len;
http_payload.len = payload_len;
http_payload.data = (char *) c_malloc(payload_len);
if (http_payload.data == NULL)
{
return 2;
}
int offset = 0;
c_memcpy(&(http_payload.data[offset]), &(http_header_200), sizeof(http_header_200));
offset += sizeof(http_header_200);
fs_read(f, &(http_payload.data[offset]), file_len);
return 0;
}
/**
* De-escape URL data
*
* Parse escaped and form encoded data of request.
*/
static void enduser_setup_http_urldecode(char *dst, const char *src, int src_len)
{
char a, b;
int i;
for (i = 0; i < src_len && *src; ++i)
{
if ((*src == '%') && ((a = src[1]) && (b = src[2])) && (isxdigit(a) && isxdigit(b)))
{
if (a >= 'a')
{
a -= 'a'-'A';
}
if (a >= 'A')
{
a -= ('A' - 10);
}
else
{
a -= '0';
}
if (b >= 'a')
{
b -= 'a'-'A';
}
if (b >= 'A')
{
b -= ('A' - 10);
}
else
{
b -= '0';
}
*dst++ = 16 * a + b;
src += 3;
i += 2;
} else {
char c = *src++;
if (c == '+')
{
c = ' ';
}
*dst++ = c;
}
}
*dst++ = '\0';
}
/**
* Handle HTTP Credentials
*
* @return - return 0 iff credentials are found and handled successfully
* return 1 iff credentials aren't found
* return 2 iff an error occured
*/
static int enduser_setup_http_handle_credentials(char *data, unsigned short data_len)
{
PRINT_FUNC("enduser_setup_http_handle_credentials\n");
char *name_str = (char *) ((uint32_t)strstr(&(data[5]), "?wifi_ssid=") + (uint32_t)strstr(&(data[5]), "&wifi_ssid="));
char *pwd_str = (char *) ((uint32_t)strstr(&(data[5]), "?wifi_password=") + (uint32_t)strstr(&(data[5]), "&wifi_password="));
if (name_str == NULL || pwd_str == NULL)
{
return 1;
}
int name_field_len = sizeof("?wifi_ssid=") - 1;
int pwd_field_len = sizeof("?wifi_password=") - 1;
char *name_str_start = name_str + name_field_len;
char *pwd_str_start = pwd_str + pwd_field_len;
int name_str_len = enduser_setup_srch_str(name_str_start, "& ");
int pwd_str_len = enduser_setup_srch_str(pwd_str_start, "& ");
if (name_str_len == -1 || pwd_str_len == -1 || name_str_len > 31 || pwd_str_len > 63)
{
return 1;
}
struct station_config cnf;
c_memset(&cnf, 0, sizeof(struct station_config));
enduser_setup_http_urldecode(cnf.ssid, name_str_start, name_str_len);
enduser_setup_http_urldecode(cnf.password, pwd_str_start, pwd_str_len);
int err = wifi_set_opmode(STATION_MODE | wifi_get_opmode());
if (err == FALSE)
{
NODE_DEBUG("enduser_setup_station_start failed. wifi_set_opmode failed.\n");
wifi_set_opmode(~STATION_MODE & wifi_get_opmode());
return 2;
}
err = wifi_station_set_config(&cnf);
if (err == FALSE)
{
NODE_DEBUG("enduser_setup_station_start failed. wifi_station_set_config failed.\n");
wifi_set_opmode(~STATION_MODE & wifi_get_opmode());
return 2;
}
err = wifi_station_disconnect();
if (err == FALSE)
{
NODE_DEBUG("enduser_setup_station_start failed. wifi_station_disconnect failed.\n");
}
err = wifi_station_connect();
if (err == FALSE)
{
NODE_DEBUG("enduser_setup_station_start failed. wifi_station_connect failed.\n");
}
NODE_DEBUG("\n");
NODE_DEBUG("WiFi Credentials Stored\n");
NODE_DEBUG("-----------------------\n");
NODE_DEBUG("name: \"%s\"\n", cnf.ssid);
NODE_DEBUG("pass: \"%s\"\n", cnf.password);
NODE_DEBUG("bssid_set: %u\n", cnf.bssid_set);
NODE_DEBUG("bssid: \"%s\"\n", cnf.bssid);
NODE_DEBUG("-----------------------\n\n");
return 0;
}
/**
* Serve HTML
*
* @return - return 0 iff html was served successfully
*/
static int enduser_setup_http_serve_header(struct espconn *http_client, char *header, uint32_t header_len)
{
PRINT_FUNC("enduser_setup_http_serve_404\n");
int8_t err = espconn_sent(http_client, header, header_len);
if (err == ESPCONN_MEM)
{
NODE_DEBUG("enduser_setup_http_serve_header failed. espconn_send out of memory\n");
return 1;
}
else if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_serve_header failed. espconn_send can't find network transmission\n");
return 1;
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_http_serve_header failed. espconn_send failed\n");
return 1;
}
return 0;
}
/**
* Serve HTML
*
* @return - return 0 iff html was served successfully
*/
static int enduser_setup_http_serve_html(struct espconn *http_client)
{
PRINT_FUNC("enduser_setup_http_serve_html\n");
if (http_payload.data == NULL)
{
enduser_setup_http_load_payload();
}
int8_t err = espconn_sent(http_client, http_payload.data, http_payload.len);
if (err == ESPCONN_MEM)
{
NODE_DEBUG("enduser_setup_http_serve_html failed. espconn_send out of memory\n");
return 1;
}
else if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_serve_html failed. espconn_send can't find network transmission\n");
return 1;
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_http_serve_html failed. espconn_send failed\n");
return 1;
}
return 0;
}
/**
* Disconnect HTTP client
*
* End TCP connection and free up resources.
*/
static void enduser_setup_http_disconnect(struct espconn *espconn)
{
PRINT_FUNC("enduser_setup_http_disconnect\n");
//TODO: Construct and maintain os task queue(?) to be able to issue system_os_task with espconn_disconnect.
}
static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data_len)
{
PRINT_FUNC("enduser_setup_http_recvcb\n");
struct espconn *http_client = (struct espconn *) arg;
if (c_strncmp(data, "GET ", 4) != 0)
{
enduser_setup_http_serve_header(http_client, (char *) http_header_404, sizeof(http_header_404));
enduser_setup_http_disconnect(http_client);
return;
}
int retval = enduser_setup_http_handle_credentials(data, data_len);
if (retval == 0)
{
enduser_setup_http_serve_header(http_client, (char *) http_header_200, sizeof(http_header_200));
enduser_setup_http_disconnect(http_client);
return;
}
else if (retval == 2)
{
NODE_DEBUG("enduser_setup_http_recvcb failed. Failed to handle wifi credentials.\n");
return;
}
if (retval != 1)
{
NODE_DEBUG("enduser_setup_http_recvcb failed. Unknown error code #%u.\n", retval);
return;
}
/* Reject requests that probably aren't relevant to free up resources. */
if (c_strncmp(data, "GET / ", 6) != 0)
{
PRINT_DEBUG("enduser_setup_http_recvcb received too specific request.\n");
enduser_setup_http_serve_header(http_client, (char *) http_header_404, sizeof(http_header_404));
enduser_setup_http_disconnect(http_client);
return;
}
retval = enduser_setup_http_serve_html(http_client);
if (retval != 0)
{
NODE_DEBUG("enduser_setup_http_recvcb failed. Unable to send HTML.\n");
enduser_setup_http_disconnect(http_client);
}
}
static void enduser_setup_http_connectcb(void *arg)
{
PRINT_FUNC("enduser_setup_http_connectcb\n");
struct espconn *callback_espconn = (struct espconn *) arg;
int8_t err = 0;
err |= espconn_regist_recvcb(callback_espconn, enduser_setup_http_recvcb);
if (err != 0)
{
NODE_DEBUG("enduser_setup_http_connectcb failed. Callback registration failed.\n");
}
}
static void enduser_setup_http_start(void)
{
PRINT_FUNC("enduser_setup_http_start\n");
if (espconn_http_tcp != NULL)
{
NODE_DEBUG("enduser_setup_http_start failed. Appears to already be started (espconn_http_tcp != NULL).\n");
return;
}
espconn_http_tcp = (struct espconn *) c_malloc(sizeof(struct espconn));
if (espconn_http_tcp == NULL)
{
NODE_DEBUG("enduser_setup_http_start failed. Memory allocation failed (espconn_http_tcp == NULL).\n");
return;
}
esp_tcp *esp_tcp_data = (esp_tcp *) c_malloc(sizeof(esp_tcp));
if (esp_tcp_data == NULL)
{
NODE_DEBUG("enduser_setup_http_start failed. Memory allocation failed (esp_udp == NULL).\n");
enduser_setup_http_free();
return;
}
c_memset(espconn_http_tcp, 0, sizeof(struct espconn));
c_memset(esp_tcp_data, 0, sizeof(esp_tcp));
espconn_http_tcp->proto.tcp = esp_tcp_data;
espconn_http_tcp->type = ESPCONN_TCP;
espconn_http_tcp->state = ESPCONN_NONE;
esp_tcp_data->local_port = 80;
int8_t err;
err = espconn_regist_connectcb(espconn_http_tcp, enduser_setup_http_connectcb);
if (err != 0)
{
NODE_DEBUG("enduser_setup_http_start failed. Couldn't add receive callback, ERRROR #%u.\n", err);
enduser_setup_http_free();
return;
}
err = espconn_accept(espconn_http_tcp);
if (err == ESPCONN_ISCONN)
{
NODE_DEBUG("enduser_setup_http_start failed. Couldn't create connection, already listening for that connection.\n");
enduser_setup_http_free();
return;
}
else if (err == ESPCONN_MEM)
{
NODE_DEBUG("enduser_setup_http_start failed. Couldn't create connection, out of memory.\n");
enduser_setup_http_free();
return;
}
else if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_start failed. Can't find connection from espconn argument\n");
enduser_setup_http_free();
return;
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_http_start failed. ERRROR #%u\n", err);
enduser_setup_http_free();
return;
}
err = espconn_regist_time(espconn_http_tcp, 2, 0);
if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_start failed. Unable to set TCP timeout.\n");
enduser_setup_http_free();
return;
}
err = enduser_setup_http_load_payload();
if (err == 1)
{
PRINT_DEBUG("enduser_setup_http_start info. Loaded backup HTML.\n");
}
else if (err == 2)
{
NODE_DEBUG("enduser_setup_http_start failed. Unable to allocate memory for HTTP payload.\n");
enduser_setup_http_free();
return;
}
}
static void enduser_setup_http_stop(void)
{
PRINT_FUNC("enduser_setup_http_stop\n");
if (espconn_http_tcp == NULL)
{
NODE_DEBUG("enduser_setup_http_stop failed. enduser_setup not enabled (espconn_dns_udp == NULL).\n");
return;
}
int8_t err = espconn_delete(espconn_http_tcp);
if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_stop failed. espconn_delete returned ESPCONN_ARG. Can't find network transmission described.\n");
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_http_stop failed. espconn_delete returned ERROR #%u.\n", err);
}
enduser_setup_http_free();
}
static void enduser_setup_ap_stop(void)
{
PRINT_FUNC("enduser_setup_station_stop\n");
wifi_set_opmode(~SOFTAP_MODE & wifi_get_opmode());
}
static void enduser_setup_ap_start(void)
{
PRINT_FUNC("enduser_setup_ap_start\n");
struct softap_config cnf;
char ssid[] = "SetupGadget";
c_memcpy(&(cnf.ssid), ssid, c_strlen(ssid));
cnf.ssid_len = c_strlen(ssid);
cnf.channel = 1;
cnf.authmode = AUTH_OPEN;
cnf.ssid_hidden = 0;
cnf.max_connection = 5;
cnf.beacon_interval = 100;
wifi_softap_set_config(&cnf);
wifi_set_opmode(SOFTAP_MODE | wifi_get_opmode());
}
static void enduser_setup_dns_recv_callback(void *arg, char *recv_data, unsigned short recv_len)
{
PRINT_FUNC("enduser_setup_dns_recv_callback received query for %s\n", &(recv_data[12]));
struct espconn *callback_espconn = arg;
struct ip_info ip_info;
uint8_t if_mode = wifi_get_opmode();
if ((if_mode & SOFTAP_MODE) == 0)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. Interface mode %d not supported.\n", if_mode);
return;
}
uint8_t if_index = (if_mode == STATION_MODE? STATION_IF : SOFTAP_IF);
if (wifi_get_ip_info(if_index , &ip_info) == false)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. Unable to get interface IP.\n");
return;
}
uint32_t qname_len = c_strlen(&(recv_data[12])) + 1; // \0=1byte
uint32_t dns_reply_static_len = (uint32_t) sizeof(dns_header) + (uint32_t) sizeof(dns_body) + 2 + 4; // dns_id=2bytes, ip=4bytes
uint32_t dns_reply_len = dns_reply_static_len + qname_len;
char *dns_reply = (char *) c_malloc(dns_reply_len);
if (dns_reply == NULL)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. Failed to allocate memory.\n");
return;
}
uint32_t insert_byte = 0;
c_memcpy(&(dns_reply[insert_byte]), recv_data, 2);
insert_byte += 2;
c_memcpy(&(dns_reply[insert_byte]), dns_header, sizeof(dns_header));
insert_byte += (uint32_t) sizeof(dns_header);
c_memcpy(&(dns_reply[insert_byte]), &(recv_data[12]), qname_len);
insert_byte += qname_len;
c_memcpy(&(dns_reply[insert_byte]), dns_body, sizeof(dns_body));
insert_byte += (uint32_t) sizeof(dns_body);
c_memcpy(&(dns_reply[insert_byte]), &(ip_info.ip), 4);
int8_t err;
err = espconn_sent(callback_espconn, dns_reply, dns_reply_len);
c_free(dns_reply);
if (err == ESPCONN_MEM)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. Failed to allocate memory for send.\n");
return;
}
else if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. Can't execute transmission.\n");
return;
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_dns_recv_callback failed. espconn_send failed\n");
return;
}
}
static void enduser_setup_dns_free(void)
{
PRINT_FUNC("enduser_setup_dns_free\n");
if (espconn_dns_udp != NULL)
{
if (espconn_dns_udp->proto.udp != NULL)
{
c_free(espconn_dns_udp->proto.udp);
}
c_free(espconn_dns_udp);
espconn_dns_udp = NULL;
}
}
static void enduser_setup_dns_start(void)
{
PRINT_FUNC("enduser_setup_dns_started\n");
if (espconn_dns_udp != NULL)
{
NODE_DEBUG("enduser_setup_dns_start failed. Appears to already be started (espconn_dns_udp != NULL).\n");
return;
}
espconn_dns_udp = (struct espconn *) c_malloc(sizeof(struct espconn));
if (espconn_dns_udp == NULL)
{
NODE_DEBUG("enduser_setup_dns_start failed. Memory allocation failed (espconn_dns_udp == NULL).\n");
return;
}
esp_udp *esp_udp_data = (esp_udp *) c_malloc(sizeof(esp_udp));
if (esp_udp_data == NULL)
{
NODE_DEBUG("enduser_setup_dns_start failed. Memory allocation failed (esp_udp == NULL).\n");
enduser_setup_dns_free();
return;
}
c_memset(espconn_dns_udp, 0, sizeof(struct espconn));
c_memset(esp_udp_data, 0, sizeof(esp_udp));
espconn_dns_udp->proto.udp = esp_udp_data;
espconn_dns_udp->type = ESPCONN_UDP;
espconn_dns_udp->state = ESPCONN_NONE;
esp_udp_data->local_port = 53;
int8_t err;
err = espconn_regist_recvcb(espconn_dns_udp, enduser_setup_dns_recv_callback);
if (err != 0)
{
NODE_DEBUG("enduser_setup_dns_start failed. Couldn't add receive callback, ERRROR #%d.\n", err);
enduser_setup_dns_free();
return;
}
err = espconn_create(espconn_dns_udp);
if (err == ESPCONN_ISCONN)
{
NODE_DEBUG("enduser_setup_dns_start failed. Couldn't create connection, already listening for that connection.\n");
enduser_setup_dns_free();
return;
}
else if (err == ESPCONN_MEM)
{
NODE_DEBUG("enduser_setup_dns_start failed. Couldn't create connection, out of memory.\n");
enduser_setup_dns_free();
return;
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_dns_start failed. Couldn't create connection, ERROR #%d.\n", err);
enduser_setup_dns_free();
return;
}
}
static void enduser_setup_dns_stop(void)
{
PRINT_FUNC("enduser_setup_dns_stop\n");
if (espconn_dns_udp == NULL)
{
NODE_DEBUG("enduser_setup_dns_stop failed. Hijacker not enabled (espconn_dns_udp == NULL).\n");
return;
}
int8_t err = espconn_delete(espconn_dns_udp);
if (err == ESPCONN_ARG)
{
NODE_DEBUG("enduser_setup_http_stop failed. espconn_delete returned ESPCONN_ARG. Can't find network transmission described.\n");
}
else if (err != 0)
{
NODE_DEBUG("enduser_setup_http_stop failed. espconn_delete returned ERROR #%u.\n", err);
}
enduser_setup_dns_free();
}
static int enduser_setup_start(lua_State* L)
{
enduser_setup_check_station_start();
enduser_setup_ap_start();
enduser_setup_dns_start();
enduser_setup_http_start();
return 0;
}
static int enduser_setup_stop(lua_State* L)
{
enduser_setup_check_station_stop();
enduser_setup_ap_stop();
enduser_setup_dns_stop();
enduser_setup_http_stop();
return 0;
}
#define MIN_OPT_LEVEL 2
#include "lrodefs.h"
const LUA_REG_TYPE enduser_setup_map[] =
{
{ LSTRKEY( "start" ), LFUNCVAL( enduser_setup_start )},
{ LSTRKEY( "stop" ), LFUNCVAL( enduser_setup_stop )},
{ LNILKEY, LNILVAL}
};
LUALIB_API int luaopen_enduser_setup(lua_State *L) {
LREGISTER(L, "enduser_setup", enduser_setup_map);
return 1;
}