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util-src/windows.c @ 5915:e6fed1d80116
Back out 1b0ac7950129, as SSLv3 appears to still be in moderate use on the network. Also, although obsolete, SSLv3 isn't documented to have any weaknesses that TLS 1.0 (the most common version used today) doesn't also have. Get your act together clients!
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 12 Nov 2013 02:13:01 +0000 |
parent | 5864:22b1d18eb919 |
child | 6411:6c8f6364bc48 |
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/* Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- */ /* * windows.c * Windows support functions for Lua */ #include <stdio.h> #include <windows.h> #include <windns.h> #include "lua.h" #include "lauxlib.h" static int Lget_nameservers(lua_State *L) { char stack_buffer[1024]; // stack allocated buffer IP4_ARRAY* ips = (IP4_ARRAY*) stack_buffer; DWORD len = sizeof(stack_buffer); DNS_STATUS status; status = DnsQueryConfig(DnsConfigDnsServerList, FALSE, NULL, NULL, ips, &len); if (status == 0) { DWORD i; lua_createtable(L, ips->AddrCount, 0); for (i = 0; i < ips->AddrCount; i++) { DWORD ip = ips->AddrArray[i]; char ip_str[16] = ""; sprintf_s(ip_str, sizeof(ip_str), "%d.%d.%d.%d", (ip >> 0) & 255, (ip >> 8) & 255, (ip >> 16) & 255, (ip >> 24) & 255); lua_pushstring(L, ip_str); lua_rawseti(L, -2, i+1); } return 1; } else { lua_pushnil(L); lua_pushfstring(L, "DnsQueryConfig returned %d", status); return 2; } } static int lerror(lua_State *L, char* string) { lua_pushnil(L); lua_pushfstring(L, "%s: %d", string, GetLastError()); return 2; } static int Lget_consolecolor(lua_State *L) { HWND console = GetStdHandle(STD_OUTPUT_HANDLE); WORD color; DWORD read_len; CONSOLE_SCREEN_BUFFER_INFO info; if (console == INVALID_HANDLE_VALUE) return lerror(L, "GetStdHandle"); if (!GetConsoleScreenBufferInfo(console, &info)) return lerror(L, "GetConsoleScreenBufferInfo"); if (!ReadConsoleOutputAttribute(console, &color, 1, info.dwCursorPosition, &read_len)) return lerror(L, "ReadConsoleOutputAttribute"); lua_pushnumber(L, color); return 1; } static int Lset_consolecolor(lua_State *L) { int color = luaL_checkint(L, 1); HWND console = GetStdHandle(STD_OUTPUT_HANDLE); if (console == INVALID_HANDLE_VALUE) return lerror(L, "GetStdHandle"); if (!SetConsoleTextAttribute(console, color)) return lerror(L, "SetConsoleTextAttribute"); lua_pushboolean(L, 1); return 1; } static const luaL_Reg Reg[] = { { "get_nameservers", Lget_nameservers }, { "get_consolecolor", Lget_consolecolor }, { "set_consolecolor", Lset_consolecolor }, { NULL, NULL } }; LUALIB_API int luaopen_util_windows(lua_State *L) { luaL_register(L, "windows", Reg); lua_pushliteral(L, "version"); /** version */ lua_pushliteral(L, "-3.14"); lua_settable(L,-3); return 1; }