prosody
16b47c3b44f3
util-src/windows.c

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util-src/windows.c @ 13011:16b47c3b44f3

mod_invites_register: Allow roles to be an ordered list, first being primary Part of an update to mod_invites and friends to the new authz and roles. Invites with roles in the old way will need to be migrated, but with invites often being short lived it is probably not a long-lived problem.
author Kim Alvefur <zash@zash.se>
date Thu, 30 Mar 2023 11:05:40 +0200
parent 12575:1f6f05a98fcd
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rev   line source
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Matthew Wild <mwild1@gmail.com>
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1 /* Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8 */
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9
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10 /*
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11 * windows.c
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12 * Windows support functions for Lua
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13 */
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14
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15 #include <stdio.h>
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16 #include <windows.h>
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17 #include <windns.h>
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18
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19 #include "lua.h"
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20 #include "lauxlib.h"
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21
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22 #if (LUA_VERSION_NUM < 504)
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23 #define luaL_pushfail lua_pushnil
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24 #endif
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25
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26 static int Lget_nameservers(lua_State *L) {
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27 char stack_buffer[1024]; // stack allocated buffer
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28 IP4_ARRAY *ips = (IP4_ARRAY *) stack_buffer;
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29 DWORD len = sizeof(stack_buffer);
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30 DNS_STATUS status;
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31
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32 status = DnsQueryConfig(DnsConfigDnsServerList, FALSE, NULL, NULL, ips, &len);
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33
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34 if(status == 0) {
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35 DWORD i;
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36 lua_createtable(L, ips->AddrCount, 0);
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37
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38 for(i = 0; i < ips->AddrCount; i++) {
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39 DWORD ip = ips->AddrArray[i];
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40 char ip_str[16] = "";
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41 sprintf_s(ip_str, sizeof(ip_str), "%d.%d.%d.%d", (ip >> 0) & 255, (ip >> 8) & 255, (ip >> 16) & 255, (ip >> 24) & 255);
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42 lua_pushstring(L, ip_str);
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43 lua_rawseti(L, -2, i + 1);
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44 }
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45
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46 return 1;
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47 } else {
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48 luaL_pushfail(L);
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49 lua_pushfstring(L, "DnsQueryConfig returned %d", status);
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50 return 2;
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51 }
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52 }
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53
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54 static int lerror(lua_State *L, char *string) {
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55 luaL_pushfail(L);
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56 lua_pushfstring(L, "%s: %d", string, GetLastError());
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57 return 2;
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58 }
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59
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60 static int Lget_consolecolor(lua_State *L) {
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61 HWND console = GetStdHandle(STD_OUTPUT_HANDLE);
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62 WORD color;
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63 DWORD read_len;
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64
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65 CONSOLE_SCREEN_BUFFER_INFO info;
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66
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67 if(console == INVALID_HANDLE_VALUE) {
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68 return lerror(L, "GetStdHandle");
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69 }
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70
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71 if(!GetConsoleScreenBufferInfo(console, &info)) {
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72 return lerror(L, "GetConsoleScreenBufferInfo");
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73 }
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74
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75 if(!ReadConsoleOutputAttribute(console, &color, 1, info.dwCursorPosition, &read_len)) {
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76 return lerror(L, "ReadConsoleOutputAttribute");
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77 }
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78
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79 lua_pushnumber(L, color);
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80 return 1;
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81 }
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82 static int Lset_consolecolor(lua_State *L) {
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83 int color = luaL_checkint(L, 1);
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84 HWND console = GetStdHandle(STD_OUTPUT_HANDLE);
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85
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86 if(console == INVALID_HANDLE_VALUE) {
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87 return lerror(L, "GetStdHandle");
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88 }
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89
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90 if(!SetConsoleTextAttribute(console, color)) {
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91 return lerror(L, "SetConsoleTextAttribute");
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92 }
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93
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94 lua_pushboolean(L, 1);
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95 return 1;
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96 }
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97
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98 static const luaL_Reg Reg[] = {
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99 { "get_nameservers", Lget_nameservers },
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100 { "get_consolecolor", Lget_consolecolor },
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101 { "set_consolecolor", Lset_consolecolor },
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102 { NULL, NULL }
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103 };
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104
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105 LUALIB_API int luaopen_util_windows(lua_State *L) {
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106 luaL_checkversion(L);
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107 lua_newtable(L);
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108 luaL_setfuncs(L, Reg, 0);
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109 lua_pushliteral(L, "-3.14");
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110 lua_setfield(L, -2, "version");
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Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
111 return 1;
8dc4e2e00129 util.windows: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
112 }