X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=contrib%2Fpackage%2Fiwinfo%2Fsrc%2Fiwinfo_lua.c;fp=contrib%2Fpackage%2Fiwinfo%2Fsrc%2Fiwinfo_lua.c;h=0000000000000000000000000000000000000000;hp=997cc8a566a997452e157474ba411bd85a5587bf;hb=239672e76b6005c300682f467be4855a8b7fe648;hpb=486770051bda52c6c763f82a68fa0ccfdbd1d908 diff --git a/contrib/package/iwinfo/src/iwinfo_lua.c b/contrib/package/iwinfo/src/iwinfo_lua.c deleted file mode 100644 index 997cc8a56..000000000 --- a/contrib/package/iwinfo/src/iwinfo_lua.c +++ /dev/null @@ -1,769 +0,0 @@ -/* - * iwinfo - Wireless Information Library - Lua Bindings - * - * Copyright (C) 2009 Jo-Philipp Wich - * - * The iwinfo library is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * The iwinfo library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with the iwinfo library. If not, see http://www.gnu.org/licenses/. - */ - -#include "iwinfo/lua.h" - - -/* Determine type */ -static int iwinfo_L_type(lua_State *L) -{ - const char *ifname = luaL_checkstring(L, 1); - const char *type = iwinfo_type(ifname); - - if (type) - lua_pushstring(L, type); - else - lua_pushnil(L); - - return 1; -} - -/* Shutdown backends */ -static int iwinfo_L__gc(lua_State *L) -{ - iwinfo_finish(); - return 0; -} - -/* - * Build a short textual description of the crypto info - */ - -static char * iwinfo_crypto_print_ciphers(int ciphers) -{ - static char str[128] = { 0 }; - char *pos = str; - - if (ciphers & IWINFO_CIPHER_WEP40) - pos += sprintf(pos, "WEP-40, "); - - if (ciphers & IWINFO_CIPHER_WEP104) - pos += sprintf(pos, "WEP-104, "); - - if (ciphers & IWINFO_CIPHER_TKIP) - pos += sprintf(pos, "TKIP, "); - - if (ciphers & IWINFO_CIPHER_CCMP) - pos += sprintf(pos, "CCMP, "); - - if (ciphers & IWINFO_CIPHER_WRAP) - pos += sprintf(pos, "WRAP, "); - - if (ciphers & IWINFO_CIPHER_AESOCB) - pos += sprintf(pos, "AES-OCB, "); - - if (ciphers & IWINFO_CIPHER_CKIP) - pos += sprintf(pos, "CKIP, "); - - if (!ciphers || (ciphers & IWINFO_CIPHER_NONE)) - pos += sprintf(pos, "NONE, "); - - *(pos - 2) = 0; - - return str; -} - -static char * iwinfo_crypto_print_suites(int suites) -{ - static char str[64] = { 0 }; - char *pos = str; - - if (suites & IWINFO_KMGMT_PSK) - pos += sprintf(pos, "PSK/"); - - if (suites & IWINFO_KMGMT_8021x) - pos += sprintf(pos, "802.1X/"); - - if (!suites || (suites & IWINFO_KMGMT_NONE)) - pos += sprintf(pos, "NONE/"); - - *(pos - 1) = 0; - - return str; -} - -static char * iwinfo_crypto_desc(struct iwinfo_crypto_entry *c) -{ - static char desc[512] = { 0 }; - - if (c) - { - if (c->enabled) - { - /* WEP */ - if (c->auth_algs && !c->wpa_version) - { - if ((c->auth_algs & IWINFO_AUTH_OPEN) && - (c->auth_algs & IWINFO_AUTH_SHARED)) - { - sprintf(desc, "WEP Open/Shared (%s)", - iwinfo_crypto_print_ciphers(c->pair_ciphers)); - } - else if (c->auth_algs & IWINFO_AUTH_OPEN) - { - sprintf(desc, "WEP Open System (%s)", - iwinfo_crypto_print_ciphers(c->pair_ciphers)); - } - else if (c->auth_algs & IWINFO_AUTH_SHARED) - { - sprintf(desc, "WEP Shared Auth (%s)", - iwinfo_crypto_print_ciphers(c->pair_ciphers)); - } - } - - /* WPA */ - else if (c->wpa_version) - { - switch (c->wpa_version) { - case 3: - sprintf(desc, "mixed WPA/WPA2 %s (%s)", - iwinfo_crypto_print_suites(c->auth_suites), - iwinfo_crypto_print_ciphers( - c->pair_ciphers & c->group_ciphers)); - break; - - case 2: - sprintf(desc, "WPA2 %s (%s)", - iwinfo_crypto_print_suites(c->auth_suites), - iwinfo_crypto_print_ciphers( - c->pair_ciphers & c->group_ciphers)); - break; - - case 1: - sprintf(desc, "WPA %s (%s)", - iwinfo_crypto_print_suites(c->auth_suites), - iwinfo_crypto_print_ciphers( - c->pair_ciphers & c->group_ciphers)); - break; - } - } - else - { - sprintf(desc, "None"); - } - } - else - { - sprintf(desc, "None"); - } - } - else - { - sprintf(desc, "Unknown"); - } - - return desc; -} - -/* Build Lua table from crypto data */ -static void iwinfo_L_cryptotable(lua_State *L, struct iwinfo_crypto_entry *c) -{ - int i, j; - - lua_newtable(L); - - lua_pushboolean(L, c->enabled); - lua_setfield(L, -2, "enabled"); - - lua_pushstring(L, iwinfo_crypto_desc(c)); - lua_setfield(L, -2, "description"); - - lua_pushboolean(L, (c->enabled && !c->wpa_version)); - lua_setfield(L, -2, "wep"); - - lua_pushinteger(L, c->wpa_version); - lua_setfield(L, -2, "wpa"); - - lua_newtable(L); - for (i = 0, j = 1; i < 8; i++) - { - if (c->pair_ciphers & (1 << i)) - { - lua_pushstring(L, IWINFO_CIPHER_NAMES[i]); - lua_rawseti(L, -2, j++); - } - } - lua_setfield(L, -2, "pair_ciphers"); - - lua_newtable(L); - for (i = 0, j = 1; i < 8; i++) - { - if (c->group_ciphers & (1 << i)) - { - lua_pushstring(L, IWINFO_CIPHER_NAMES[i]); - lua_rawseti(L, -2, j++); - } - } - lua_setfield(L, -2, "group_ciphers"); - - lua_newtable(L); - for (i = 0, j = 1; i < 8; i++) - { - if (c->auth_suites & (1 << i)) - { - lua_pushstring(L, IWINFO_KMGMT_NAMES[i]); - lua_rawseti(L, -2, j++); - } - } - lua_setfield(L, -2, "auth_suites"); - - lua_newtable(L); - for (i = 0, j = 1; i < 8; i++) - { - if (c->auth_algs & (1 << i)) - { - lua_pushstring(L, IWINFO_AUTH_NAMES[i]); - lua_rawseti(L, -2, j++); - } - } - lua_setfield(L, -2, "auth_algs"); -} - - -/* Wrapper for assoclist */ -static int iwinfo_L_assoclist(lua_State *L, int (*func)(const char *, char *, int *)) -{ - int i, len; - char rv[IWINFO_BUFSIZE]; - char macstr[18]; - const char *ifname = luaL_checkstring(L, 1); - struct iwinfo_assoclist_entry *e; - - lua_newtable(L); - memset(rv, 0, sizeof(rv)); - - if (!(*func)(ifname, rv, &len)) - { - for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry)) - { - e = (struct iwinfo_assoclist_entry *) &rv[i]; - - sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X", - e->mac[0], e->mac[1], e->mac[2], - e->mac[3], e->mac[4], e->mac[5]); - - lua_newtable(L); - - lua_pushnumber(L, e->signal); - lua_setfield(L, -2, "signal"); - - lua_pushnumber(L, e->noise); - lua_setfield(L, -2, "noise"); - - lua_setfield(L, -2, macstr); - } - } - - return 1; -} - -/* Wrapper for tx power list */ -static int iwinfo_L_txpwrlist(lua_State *L, int (*func)(const char *, char *, int *)) -{ - int i, x, len; - char rv[IWINFO_BUFSIZE]; - const char *ifname = luaL_checkstring(L, 1); - struct iwinfo_txpwrlist_entry *e; - - lua_newtable(L); - memset(rv, 0, sizeof(rv)); - - if (!(*func)(ifname, rv, &len)) - { - for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_txpwrlist_entry), x++) - { - e = (struct iwinfo_txpwrlist_entry *) &rv[i]; - - lua_newtable(L); - - lua_pushnumber(L, e->mw); - lua_setfield(L, -2, "mw"); - - lua_pushnumber(L, e->dbm); - lua_setfield(L, -2, "dbm"); - - lua_rawseti(L, -2, x); - } - } - - return 1; -} - -/* Wrapper for scan list */ -static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int *)) -{ - int i, x, len; - char rv[IWINFO_BUFSIZE]; - char macstr[18]; - const char *ifname = luaL_checkstring(L, 1); - struct iwinfo_scanlist_entry *e; - - lua_newtable(L); - memset(rv, 0, sizeof(rv)); - - if (!(*func)(ifname, rv, &len)) - { - for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++) - { - e = (struct iwinfo_scanlist_entry *) &rv[i]; - - lua_newtable(L); - - /* BSSID */ - sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X", - e->mac[0], e->mac[1], e->mac[2], - e->mac[3], e->mac[4], e->mac[5]); - - lua_pushstring(L, macstr); - lua_setfield(L, -2, "bssid"); - - /* ESSID */ - if (e->ssid[0]) - { - lua_pushstring(L, (char *) e->ssid); - lua_setfield(L, -2, "ssid"); - } - - /* Channel */ - lua_pushinteger(L, e->channel); - lua_setfield(L, -2, "channel"); - - /* Mode */ - lua_pushstring(L, (char *) e->mode); - lua_setfield(L, -2, "mode"); - - /* Quality, Signal */ - lua_pushinteger(L, e->quality); - lua_setfield(L, -2, "quality"); - - lua_pushinteger(L, e->quality_max); - lua_setfield(L, -2, "quality_max"); - - lua_pushnumber(L, (e->signal - 0x100)); - lua_setfield(L, -2, "signal"); - - /* Crypto */ - iwinfo_L_cryptotable(L, &e->crypto); - lua_setfield(L, -2, "encryption"); - - lua_rawseti(L, -2, x); - } - } - - return 1; -} - -/* Wrapper for frequency list */ -static int iwinfo_L_freqlist(lua_State *L, int (*func)(const char *, char *, int *)) -{ - int i, x, len; - char rv[IWINFO_BUFSIZE]; - const char *ifname = luaL_checkstring(L, 1); - struct iwinfo_freqlist_entry *e; - - lua_newtable(L); - memset(rv, 0, sizeof(rv)); - - if (!(*func)(ifname, rv, &len)) - { - for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_freqlist_entry), x++) - { - e = (struct iwinfo_freqlist_entry *) &rv[i]; - - lua_newtable(L); - - /* MHz */ - lua_pushinteger(L, e->mhz); - lua_setfield(L, -2, "mhz"); - - /* Channel */ - lua_pushinteger(L, e->channel); - lua_setfield(L, -2, "channel"); - - /* Restricted (DFS/TPC/Radar) */ - lua_pushboolean(L, e->restricted); - lua_setfield(L, -2, "restricted"); - - lua_rawseti(L, -2, x); - } - } - - return 1; -} - -/* Wrapper for crypto settings */ -static int iwinfo_L_encryption(lua_State *L, int (*func)(const char *, char *)) -{ - const char *ifname = luaL_checkstring(L, 1); - struct iwinfo_crypto_entry c = { 0 }; - - if (!(*func)(ifname, (char *)&c)) - { - iwinfo_L_cryptotable(L, &c); - return 1; - } - - lua_pushnil(L); - return 1; -} - -/* Wrapper for hwmode list */ -static int iwinfo_L_hwmodelist(lua_State *L, int (*func)(const char *, int *)) -{ - const char *ifname = luaL_checkstring(L, 1); - int hwmodes = 0; - - if (!(*func)(ifname, &hwmodes)) - { - lua_newtable(L); - - lua_pushboolean(L, hwmodes & IWINFO_80211_A); - lua_setfield(L, -2, "a"); - - lua_pushboolean(L, hwmodes & IWINFO_80211_B); - lua_setfield(L, -2, "b"); - - lua_pushboolean(L, hwmodes & IWINFO_80211_G); - lua_setfield(L, -2, "g"); - - lua_pushboolean(L, hwmodes & IWINFO_80211_N); - lua_setfield(L, -2, "n"); - - return 1; - } - - lua_pushnil(L); - return 1; -} - -/* Wrapper for mbbsid_support */ -static int iwinfo_L_mbssid_support(lua_State *L, int (*func)(const char *, int *)) -{ - const char *ifname = luaL_checkstring(L, 1); - int support = 0; - - if (!(*func)(ifname, &support)) - { - lua_pushboolean(L, support); - return 1; - } - - lua_pushnil(L); - return 1; -} - -/* Wrapper for country list */ -static char * iwinfo_L_country_lookup(char *buf, int len, int iso3166) -{ - int i; - struct iwinfo_country_entry *c; - - for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry)) - { - c = (struct iwinfo_country_entry *) &buf[i]; - - if (c->iso3166 == iso3166) - return c->ccode; - } - - return NULL; -} - -static int iwinfo_L_countrylist(lua_State *L, int (*func)(const char *, char *, int *)) -{ - int len, i, j; - char rv[IWINFO_BUFSIZE], alpha2[3]; - char *ccode; - const char *ifname = luaL_checkstring(L, 1); - const struct iwinfo_iso3166_label *l; - - lua_newtable(L); - memset(rv, 0, sizeof(rv)); - - if (!(*func)(ifname, rv, &len)) - { - for (l = IWINFO_ISO3166_NAMES, j = 1; l->iso3166; l++) - { - if ((ccode = iwinfo_L_country_lookup(rv, len, l->iso3166)) != NULL) - { - sprintf(alpha2, "%c%c", - (l->iso3166 / 256), (l->iso3166 % 256)); - - lua_newtable(L); - - lua_pushstring(L, alpha2); - lua_setfield(L, -2, "alpha2"); - - lua_pushstring(L, ccode); - lua_setfield(L, -2, "ccode"); - - lua_pushstring(L, l->name); - lua_setfield(L, -2, "name"); - - lua_rawseti(L, -2, j++); - } - } - } - - return 1; -} - - -#ifdef USE_WL -/* Broadcom */ -LUA_WRAP_INT(wl,channel) -LUA_WRAP_INT(wl,frequency) -LUA_WRAP_INT(wl,txpower) -LUA_WRAP_INT(wl,bitrate) -LUA_WRAP_INT(wl,signal) -LUA_WRAP_INT(wl,noise) -LUA_WRAP_INT(wl,quality) -LUA_WRAP_INT(wl,quality_max) -LUA_WRAP_STRING(wl,mode) -LUA_WRAP_STRING(wl,ssid) -LUA_WRAP_STRING(wl,bssid) -LUA_WRAP_STRING(wl,country) -LUA_WRAP_LIST(wl,assoclist) -LUA_WRAP_LIST(wl,txpwrlist) -LUA_WRAP_LIST(wl,scanlist) -LUA_WRAP_LIST(wl,freqlist) -LUA_WRAP_LIST(wl,countrylist) -LUA_WRAP_LIST(wl,hwmodelist) -LUA_WRAP_LIST(wl,encryption) -LUA_WRAP_LIST(wl,mbssid_support) -#endif - -#ifdef USE_MADWIFI -/* Madwifi */ -LUA_WRAP_INT(madwifi,channel) -LUA_WRAP_INT(madwifi,frequency) -LUA_WRAP_INT(madwifi,txpower) -LUA_WRAP_INT(madwifi,bitrate) -LUA_WRAP_INT(madwifi,signal) -LUA_WRAP_INT(madwifi,noise) -LUA_WRAP_INT(madwifi,quality) -LUA_WRAP_INT(madwifi,quality_max) -LUA_WRAP_STRING(madwifi,mode) -LUA_WRAP_STRING(madwifi,ssid) -LUA_WRAP_STRING(madwifi,bssid) -LUA_WRAP_STRING(madwifi,country) -LUA_WRAP_LIST(madwifi,assoclist) -LUA_WRAP_LIST(madwifi,txpwrlist) -LUA_WRAP_LIST(madwifi,scanlist) -LUA_WRAP_LIST(madwifi,freqlist) -LUA_WRAP_LIST(madwifi,countrylist) -LUA_WRAP_LIST(madwifi,hwmodelist) -LUA_WRAP_LIST(madwifi,encryption) -LUA_WRAP_LIST(madwifi,mbssid_support) -#endif - -#ifdef USE_NL80211 -/* NL80211 */ -LUA_WRAP_INT(nl80211,channel) -LUA_WRAP_INT(nl80211,frequency) -LUA_WRAP_INT(nl80211,txpower) -LUA_WRAP_INT(nl80211,bitrate) -LUA_WRAP_INT(nl80211,signal) -LUA_WRAP_INT(nl80211,noise) -LUA_WRAP_INT(nl80211,quality) -LUA_WRAP_INT(nl80211,quality_max) -LUA_WRAP_STRING(nl80211,mode) -LUA_WRAP_STRING(nl80211,ssid) -LUA_WRAP_STRING(nl80211,bssid) -LUA_WRAP_STRING(nl80211,country) -LUA_WRAP_LIST(nl80211,assoclist) -LUA_WRAP_LIST(nl80211,txpwrlist) -LUA_WRAP_LIST(nl80211,scanlist) -LUA_WRAP_LIST(nl80211,freqlist) -LUA_WRAP_LIST(nl80211,countrylist) -LUA_WRAP_LIST(nl80211,hwmodelist) -LUA_WRAP_LIST(nl80211,encryption) -LUA_WRAP_LIST(nl80211,mbssid_support) -#endif - -/* Wext */ -LUA_WRAP_INT(wext,channel) -LUA_WRAP_INT(wext,frequency) -LUA_WRAP_INT(wext,txpower) -LUA_WRAP_INT(wext,bitrate) -LUA_WRAP_INT(wext,signal) -LUA_WRAP_INT(wext,noise) -LUA_WRAP_INT(wext,quality) -LUA_WRAP_INT(wext,quality_max) -LUA_WRAP_STRING(wext,mode) -LUA_WRAP_STRING(wext,ssid) -LUA_WRAP_STRING(wext,bssid) -LUA_WRAP_STRING(wext,country) -LUA_WRAP_LIST(wext,assoclist) -LUA_WRAP_LIST(wext,txpwrlist) -LUA_WRAP_LIST(wext,scanlist) -LUA_WRAP_LIST(wext,freqlist) -LUA_WRAP_LIST(wext,countrylist) -LUA_WRAP_LIST(wext,hwmodelist) -LUA_WRAP_LIST(wext,encryption) -LUA_WRAP_LIST(wext,mbssid_support) - -#ifdef USE_WL -/* Broadcom table */ -static const luaL_reg R_wl[] = { - LUA_REG(wl,channel), - LUA_REG(wl,frequency), - LUA_REG(wl,txpower), - LUA_REG(wl,bitrate), - LUA_REG(wl,signal), - LUA_REG(wl,noise), - LUA_REG(wl,quality), - LUA_REG(wl,quality_max), - LUA_REG(wl,mode), - LUA_REG(wl,ssid), - LUA_REG(wl,bssid), - LUA_REG(wl,country), - LUA_REG(wl,assoclist), - LUA_REG(wl,txpwrlist), - LUA_REG(wl,scanlist), - LUA_REG(wl,freqlist), - LUA_REG(wl,countrylist), - LUA_REG(wl,hwmodelist), - LUA_REG(wl,encryption), - LUA_REG(wl,mbssid_support), - { NULL, NULL } -}; -#endif - -#ifdef USE_MADWIFI -/* Madwifi table */ -static const luaL_reg R_madwifi[] = { - LUA_REG(madwifi,channel), - LUA_REG(madwifi,frequency), - LUA_REG(madwifi,txpower), - LUA_REG(madwifi,bitrate), - LUA_REG(madwifi,signal), - LUA_REG(madwifi,noise), - LUA_REG(madwifi,quality), - LUA_REG(madwifi,quality_max), - LUA_REG(madwifi,mode), - LUA_REG(madwifi,ssid), - LUA_REG(madwifi,bssid), - LUA_REG(madwifi,country), - LUA_REG(madwifi,assoclist), - LUA_REG(madwifi,txpwrlist), - LUA_REG(madwifi,scanlist), - LUA_REG(madwifi,freqlist), - LUA_REG(madwifi,countrylist), - LUA_REG(madwifi,hwmodelist), - LUA_REG(madwifi,encryption), - LUA_REG(madwifi,mbssid_support), - { NULL, NULL } -}; -#endif - -#ifdef USE_NL80211 -/* NL80211 table */ -static const luaL_reg R_nl80211[] = { - LUA_REG(nl80211,channel), - LUA_REG(nl80211,frequency), - LUA_REG(nl80211,txpower), - LUA_REG(nl80211,bitrate), - LUA_REG(nl80211,signal), - LUA_REG(nl80211,noise), - LUA_REG(nl80211,quality), - LUA_REG(nl80211,quality_max), - LUA_REG(nl80211,mode), - LUA_REG(nl80211,ssid), - LUA_REG(nl80211,bssid), - LUA_REG(nl80211,country), - LUA_REG(nl80211,assoclist), - LUA_REG(nl80211,txpwrlist), - LUA_REG(nl80211,scanlist), - LUA_REG(nl80211,freqlist), - LUA_REG(nl80211,countrylist), - LUA_REG(nl80211,hwmodelist), - LUA_REG(nl80211,encryption), - LUA_REG(nl80211,mbssid_support), - { NULL, NULL } -}; -#endif - -/* Wext table */ -static const luaL_reg R_wext[] = { - LUA_REG(wext,channel), - LUA_REG(wext,frequency), - LUA_REG(wext,txpower), - LUA_REG(wext,bitrate), - LUA_REG(wext,signal), - LUA_REG(wext,noise), - LUA_REG(wext,quality), - LUA_REG(wext,quality_max), - LUA_REG(wext,mode), - LUA_REG(wext,ssid), - LUA_REG(wext,bssid), - LUA_REG(wext,country), - LUA_REG(wext,assoclist), - LUA_REG(wext,txpwrlist), - LUA_REG(wext,scanlist), - LUA_REG(wext,freqlist), - LUA_REG(wext,countrylist), - LUA_REG(wext,hwmodelist), - LUA_REG(wext,encryption), - LUA_REG(wext,mbssid_support), - { NULL, NULL } -}; - -/* Common */ -static const luaL_reg R_common[] = { - { "type", iwinfo_L_type }, - { "__gc", iwinfo_L__gc }, - { NULL, NULL } -}; - - -LUALIB_API int luaopen_iwinfo(lua_State *L) { - luaL_register(L, IWINFO_META, R_common); - -#ifdef USE_WL - luaL_newmetatable(L, IWINFO_WL_META); - luaL_register(L, NULL, R_wl); - lua_pushvalue(L, -1); - lua_setfield(L, -2, "__index"); - lua_setfield(L, -2, "wl"); -#endif - -#ifdef USE_MADWIFI - luaL_newmetatable(L, IWINFO_MADWIFI_META); - luaL_register(L, NULL, R_madwifi); - lua_pushvalue(L, -1); - lua_setfield(L, -2, "__index"); - lua_setfield(L, -2, "madwifi"); -#endif - -#ifdef USE_NL80211 - luaL_newmetatable(L, IWINFO_NL80211_META); - luaL_register(L, NULL, R_nl80211); - lua_pushvalue(L, -1); - lua_setfield(L, -2, "__index"); - lua_setfield(L, -2, "nl80211"); -#endif - - luaL_newmetatable(L, IWINFO_WEXT_META); - luaL_register(L, NULL, R_wext); - lua_pushvalue(L, -1); - lua_setfield(L, -2, "__index"); - lua_setfield(L, -2, "wext"); - - return 1; -}