prosody
67311cda0625
util-src/encodings.c

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util-src/encodings.c @ 8528:67311cda0625

net.server_select: Better detection of errors for outgoing connections On connection failure, a socket is marked readable and writable. So to detect initial connection failures (connection refused, etc.) we now watch for sockets becoming readable during initial connection, and also read from readable sockets before writing to writable sockets. This should fix 'onconnect' being called for outgoing connections that actually failed.
author Matthew Wild <mwild1@gmail.com>
date Fri, 23 Feb 2018 15:30:00 +0000
parent 8291:fba1ea67f5c0
child 9153:26c5a4a14905
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 -- Copyright (C) 1994-2015 Lua.org, PUC-Rio.
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9 */
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10
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11 /*
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12 * encodings.c
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13 * Lua library for base64, stringprep and idna encodings
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14 */
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15
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16 /* Newer MSVC compilers deprecate strcpy as unsafe, but we use it in a safe way */
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17 #define _CRT_SECURE_NO_DEPRECATE
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18
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19 #include <string.h>
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20 #include <stdlib.h>
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21 #include "lua.h"
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22 #include "lauxlib.h"
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23
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24 #if (LUA_VERSION_NUM == 501)
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25 #define luaL_setfuncs(L, R, N) luaL_register(L, NULL, R)
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26 #endif
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27
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28 /***************** BASE64 *****************/
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29
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30 static const char code[] =
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31 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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32
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33 static void base64_encode(luaL_Buffer *b, unsigned int c1, unsigned int c2, unsigned int c3, int n) {
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34 unsigned long tuple = c3 + 256UL * (c2 + 256UL * c1);
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35 int i;
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36 char s[4];
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37
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38 for(i = 0; i < 4; i++) {
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39 s[3 - i] = code[tuple % 64];
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40 tuple /= 64;
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41 }
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42
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43 for(i = n + 1; i < 4; i++) {
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44 s[i] = '=';
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45 }
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46
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47 luaL_addlstring(b, s, 4);
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48 }
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49
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50 static int Lbase64_encode(lua_State *L) { /** encode(s) */
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51 size_t l;
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52 const unsigned char *s = (const unsigned char *)luaL_checklstring(L, 1, &l);
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53 luaL_Buffer b;
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54 int n;
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55 luaL_buffinit(L, &b);
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56
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57 for(n = l / 3; n--; s += 3) {
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58 base64_encode(&b, s[0], s[1], s[2], 3);
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59 }
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60
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61 switch(l % 3) {
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62 case 1:
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63 base64_encode(&b, s[0], 0, 0, 1);
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64 break;
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65
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66 case 2:
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67 base64_encode(&b, s[0], s[1], 0, 2);
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68 break;
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69 }
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70
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71 luaL_pushresult(&b);
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72 return 1;
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73 }
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74
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75 static void base64_decode(luaL_Buffer *b, int c1, int c2, int c3, int c4, int n) {
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76 unsigned long tuple = c4 + 64L * (c3 + 64L * (c2 + 64L * c1));
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77 char s[3];
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78
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79 switch(--n) {
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80 case 3:
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81 s[2] = (char) tuple;
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82
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83 case 2:
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84 s[1] = (char)(tuple >> 8);
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85
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86 case 1:
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87 s[0] = (char)(tuple >> 16);
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88 }
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89
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90 luaL_addlstring(b, s, n);
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91 }
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92
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93 static int Lbase64_decode(lua_State *L) { /** decode(s) */
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94 size_t l;
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95 const char *s = luaL_checklstring(L, 1, &l);
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96 luaL_Buffer b;
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97 int n = 0;
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98 char t[4];
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99 luaL_buffinit(L, &b);
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100
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101 for(;;) {
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102 int c = *s++;
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103
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104 switch(c) {
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105 const char *p;
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106
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107 default:
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108 p = strchr(code, c);
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109
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110 if(p == NULL) {
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111 return 0;
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112 }
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113
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114 t[n++] = (char)(p - code);
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115
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116 if(n == 4) {
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117 base64_decode(&b, t[0], t[1], t[2], t[3], 4);
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118 n = 0;
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119 }
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120
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121 break;
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122
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123 case '=':
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124
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125 switch(n) {
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126 case 1:
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127 base64_decode(&b, t[0], 0, 0, 0, 1);
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128 break;
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129
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130 case 2:
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131 base64_decode(&b, t[0], t[1], 0, 0, 2);
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132 break;
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133
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134 case 3:
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135 base64_decode(&b, t[0], t[1], t[2], 0, 3);
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136 break;
601
6cb908ef01c8 Fixed util.encodings.base64.decode to not truncate results when encountering an '=' before the end of the given input.
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137 }
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138
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139 n = 0;
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140 break;
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141
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142 case 0:
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143 luaL_pushresult(&b);
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144 return 1;
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145
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146 case '\n':
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147 case '\r':
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148 case '\t':
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149 case ' ':
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150 case '\f':
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151 case '\b':
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152 break;
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153 }
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154 }
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155 }
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156
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157 static const luaL_Reg Reg_base64[] = {
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158 { "encode", Lbase64_encode },
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159 { "decode", Lbase64_decode },
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160 { NULL, NULL }
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161 };
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162
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163 /******************* UTF-8 ********************/
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164
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165 /*
fe3018a2f187 util.encodings: Perform validation of UTF-8 strings before passing to libidn (Based on code from the utf8 library in Lua 5.3)
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166 * Adapted from Lua 5.3
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167 * Needed because libidn does not validate that input is valid UTF-8
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168 */
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169
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170 #define MAXUNICODE 0x10FFFF
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171
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172 /*
fe3018a2f187 util.encodings: Perform validation of UTF-8 strings before passing to libidn (Based on code from the utf8 library in Lua 5.3)
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173 * Decode one UTF-8 sequence, returning NULL if byte sequence is invalid.
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174 */
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175 static const char *utf8_decode(const char *o, int *val) {
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176 static const unsigned int limits[] = {0xFF, 0x7F, 0x7FF, 0xFFFF};
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177 const unsigned char *s = (const unsigned char *)o;
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178 unsigned int c = s[0];
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179 unsigned int res = 0; /* final result */
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180
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181 if(c < 0x80) { /* ascii? */
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182 res = c;
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183 } else {
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184 int count = 0; /* to count number of continuation bytes */
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185
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186 while(c & 0x40) { /* still have continuation bytes? */
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187 int cc = s[++count]; /* read next byte */
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188
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189 if((cc & 0xC0) != 0x80) { /* not a continuation byte? */
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190 return NULL; /* invalid byte sequence */
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191 }
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192
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193 res = (res << 6) | (cc & 0x3F); /* add lower 6 bits from cont. byte */
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194 c <<= 1; /* to test next bit */
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195 }
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196
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197 res |= ((c & 0x7F) << (count * 5)); /* add first byte */
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198
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199 if(count > 3 || res > MAXUNICODE || res <= limits[count] || (0xd800 <= res && res <= 0xdfff)) {
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200 return NULL; /* invalid byte sequence */
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201 }
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202
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203 s += count; /* skip continuation bytes read */
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204 }
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205
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206 if(val) {
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207 *val = res;
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208 }
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209
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210 return (const char *)s + 1; /* +1 to include first byte */
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211 }
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212
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213 /*
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214 * Check that a string is valid UTF-8
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215 * Returns NULL if not
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216 */
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217 const char *check_utf8(lua_State *L, int idx, size_t *l) {
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218 size_t pos, len;
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219 const char *s = luaL_checklstring(L, idx, &len);
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220 pos = 0;
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221
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222 while(pos <= len) {
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223 const char *s1 = utf8_decode(s + pos, NULL);
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224
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225 if(s1 == NULL) { /* conversion error? */
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226 return NULL;
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227 }
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228
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229 pos = s1 - s;
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230 }
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231
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232 if(l != NULL) {
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233 *l = len;
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234 }
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235
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236 return s;
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237 }
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238
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239 static int Lutf8_valid(lua_State *L) {
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240 lua_pushboolean(L, check_utf8(L, 1, NULL) != NULL);
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241 return 1;
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242 }
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243
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244 static int Lutf8_length(lua_State *L) {
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245 size_t len;
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246
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247 if(!check_utf8(L, 1, &len)) {
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248 lua_pushnil(L);
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249 lua_pushliteral(L, "invalid utf8");
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250 return 2;
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251 }
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252
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253 lua_pushinteger(L, len);
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254 return 1;
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255 }
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256
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257 static const luaL_Reg Reg_utf8[] = {
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258 { "valid", Lutf8_valid },
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259 { "length", Lutf8_length },
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260 { NULL, NULL }
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261 };
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262
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263 /***************** STRINGPREP *****************/
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264 #ifdef USE_STRINGPREP_ICU
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265
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266 #include <unicode/usprep.h>
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267 #include <unicode/ustring.h>
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268 #include <unicode/utrace.h>
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269
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270 static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile) {
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271 size_t input_len;
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272 int32_t unprepped_len, prepped_len, output_len;
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273 const char *input;
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274 char output[1024];
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275
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276 UChar unprepped[1024]; /* Temporary unicode buffer (1024 characters) */
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277 UChar prepped[1024];
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278
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279 UErrorCode err = U_ZERO_ERROR;
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280
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281 if(!lua_isstring(L, 1)) {
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282 lua_pushnil(L);
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283 return 1;
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284 }
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285
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286 input = lua_tolstring(L, 1, &input_len);
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287
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288 if(input_len >= 1024) {
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289 lua_pushnil(L);
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290 return 1;
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291 }
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292
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293 u_strFromUTF8(unprepped, 1024, &unprepped_len, input, input_len, &err);
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294
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295 if(U_FAILURE(err)) {
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296 lua_pushnil(L);
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297 return 1;
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298 }
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299
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300 prepped_len = usprep_prepare(profile, unprepped, unprepped_len, prepped, 1024, 0, NULL, &err);
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301
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302 if(U_FAILURE(err)) {
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303 lua_pushnil(L);
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304 return 1;
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305 } else {
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306 u_strToUTF8(output, 1024, &output_len, prepped, prepped_len, &err);
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307
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308 if(U_SUCCESS(err) && output_len < 1024) {
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309 lua_pushlstring(L, output, output_len);
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310 } else {
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311 lua_pushnil(L);
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312 }
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313
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314 return 1;
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315 }
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316 }
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317
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318 UStringPrepProfile *icu_nameprep;
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319 UStringPrepProfile *icu_nodeprep;
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320 UStringPrepProfile *icu_resourceprep;
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321 UStringPrepProfile *icu_saslprep;
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322
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323 /* initialize global ICU stringprep profiles */
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324 void init_icu() {
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325 UErrorCode err = U_ZERO_ERROR;
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326 utrace_setLevel(UTRACE_VERBOSE);
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327 icu_nameprep = usprep_openByType(USPREP_RFC3491_NAMEPREP, &err);
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328 icu_nodeprep = usprep_openByType(USPREP_RFC3920_NODEPREP, &err);
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329 icu_resourceprep = usprep_openByType(USPREP_RFC3920_RESOURCEPREP, &err);
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330 icu_saslprep = usprep_openByType(USPREP_RFC4013_SASLPREP, &err);
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331
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332 if(U_FAILURE(err)) {
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333 fprintf(stderr, "[c] util.encodings: error: %s\n", u_errorName((UErrorCode)err));
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334 }
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335 }
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336
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337 #define MAKE_PREP_FUNC(myFunc, prep) \
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338 static int myFunc(lua_State *L) { return icu_stringprep_prep(L, prep); }
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339
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340 MAKE_PREP_FUNC(Lstringprep_nameprep, icu_nameprep) /** stringprep.nameprep(s) */
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341 MAKE_PREP_FUNC(Lstringprep_nodeprep, icu_nodeprep) /** stringprep.nodeprep(s) */
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342 MAKE_PREP_FUNC(Lstringprep_resourceprep, icu_resourceprep) /** stringprep.resourceprep(s) */
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343 MAKE_PREP_FUNC(Lstringprep_saslprep, icu_saslprep) /** stringprep.saslprep(s) */
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344
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345 static const luaL_Reg Reg_stringprep[] = {
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346 { "nameprep", Lstringprep_nameprep },
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347 { "nodeprep", Lstringprep_nodeprep },
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348 { "resourceprep", Lstringprep_resourceprep },
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349 { "saslprep", Lstringprep_saslprep },
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350 { NULL, NULL }
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351 };
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352 #else /* USE_STRINGPREP_ICU */
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353
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354 /****************** libidn ********************/
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355
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356 #include <stringprep.h>
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357
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358 static int stringprep_prep(lua_State *L, const Stringprep_profile *profile) {
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359 size_t len;
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360 const char *s;
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361 char string[1024];
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362 int ret;
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363
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364 if(!lua_isstring(L, 1)) {
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365 lua_pushnil(L);
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366 return 1;
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367 }
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368
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369 s = check_utf8(L, 1, &len);
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370
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371 if(s == NULL || len >= 1024 || len != strlen(s)) {
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372 lua_pushnil(L);
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373 return 1; /* TODO return error message */
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374 }
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375
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376 strcpy(string, s);
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377 ret = stringprep(string, 1024, (Stringprep_profile_flags)0, profile);
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378
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379 if(ret == STRINGPREP_OK) {
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380 lua_pushstring(L, string);
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381 return 1;
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382 } else {
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383 lua_pushnil(L);
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384 return 1; /* TODO return error message */
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385 }
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386 }
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387
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388 #define MAKE_PREP_FUNC(myFunc, prep) \
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389 static int myFunc(lua_State *L) { return stringprep_prep(L, prep); }
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390
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391 MAKE_PREP_FUNC(Lstringprep_nameprep, stringprep_nameprep) /** stringprep.nameprep(s) */
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392 MAKE_PREP_FUNC(Lstringprep_nodeprep, stringprep_xmpp_nodeprep) /** stringprep.nodeprep(s) */
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393 MAKE_PREP_FUNC(Lstringprep_resourceprep, stringprep_xmpp_resourceprep) /** stringprep.resourceprep(s) */
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394 MAKE_PREP_FUNC(Lstringprep_saslprep, stringprep_saslprep) /** stringprep.saslprep(s) */
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395
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396 static const luaL_Reg Reg_stringprep[] = {
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397 { "nameprep", Lstringprep_nameprep },
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398 { "nodeprep", Lstringprep_nodeprep },
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399 { "resourceprep", Lstringprep_resourceprep },
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400 { "saslprep", Lstringprep_saslprep },
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401 { NULL, NULL }
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402 };
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403 #endif
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404
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405 /***************** IDNA *****************/
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406 #ifdef USE_STRINGPREP_ICU
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407 #include <unicode/ustdio.h>
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408 #include <unicode/uidna.h>
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409 /* IDNA2003 or IDNA2008 ? ? ? */
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410 static int Lidna_to_ascii(lua_State *L) { /** idna.to_ascii(s) */
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411 size_t len;
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412 int32_t ulen, dest_len, output_len;
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diff changeset
413 const char *s = luaL_checklstring(L, 1, &len);
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
414 UChar ustr[1024];
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
415 UErrorCode err = U_ZERO_ERROR;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
416 UChar dest[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
417 char output[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
418
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
419 u_strFromUTF8(ustr, 1024, &ulen, s, len, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
420
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
421 if(U_FAILURE(err)) {
4273
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
422 lua_pushnil(L);
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
423 return 1;
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
424 }
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
425
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
426 dest_len = uidna_IDNToASCII(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
427
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
428 if(U_FAILURE(err)) {
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
429 lua_pushnil(L);
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
430 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
431 } else {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
432 u_strToUTF8(output, 1024, &output_len, dest, dest_len, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
433
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
434 if(U_SUCCESS(err) && output_len < 1024) {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
435 lua_pushlstring(L, output, output_len);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
436 } else {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
437 lua_pushnil(L);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
438 }
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
439
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
440 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
441 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
442 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
443
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
444 static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
445 size_t len;
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
446 int32_t ulen, dest_len, output_len;
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
447 const char *s = luaL_checklstring(L, 1, &len);
4271
18d888c8c12d util.encodings: Fix idna.to_unicode
Paul Aurich <paul@darkrain42.org>
parents: 3965
diff changeset
448 UChar ustr[1024];
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
449 UErrorCode err = U_ZERO_ERROR;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
450 UChar dest[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
451 char output[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
452
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
453 u_strFromUTF8(ustr, 1024, &ulen, s, len, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
454
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
455 if(U_FAILURE(err)) {
4273
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
456 lua_pushnil(L);
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
457 return 1;
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
458 }
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
459
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
460 dest_len = uidna_IDNToUnicode(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
461
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
462 if(U_FAILURE(err)) {
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
463 lua_pushnil(L);
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
464 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
465 } else {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
466 u_strToUTF8(output, 1024, &output_len, dest, dest_len, &err);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
467
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
468 if(U_SUCCESS(err) && output_len < 1024) {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
469 lua_pushlstring(L, output, output_len);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
470 } else {
3769
9338d0785277 util-src/Makefile, util-src/encodings.c{,pp}: Port ICU code to C, rename encodings.cpp back to .c and amend the Makefile accordingly
Matthew Wild <mwild1@gmail.com>
parents: 3764
diff changeset
471 lua_pushnil(L);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
472 }
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
473
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
474 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
475 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
476 }
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
477
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
478 #else /* USE_STRINGPREP_ICU */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
479 /****************** libidn ********************/
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
480
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
481 #include <idna.h>
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
482 #include <idn-free.h>
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
483
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
484 static int Lidna_to_ascii(lua_State *L) { /** idna.to_ascii(s) */
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
485 size_t len;
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
486 const char *s = check_utf8(L, 1, &len);
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
487 char *output = NULL;
6643
127b9f0c6135 util.encodings: Move declarations to top of function [pedantic]
Kim Alvefur <zash@zash.se>
parents: 6615
diff changeset
488 int ret;
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
489
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
490 if(s == NULL || len != strlen(s)) {
6591
fe3018a2f187 util.encodings: Perform validation of UTF-8 strings before passing to libidn (Based on code from the utf8 library in Lua 5.3)
Kim Alvefur <zash@zash.se>
parents: 4302
diff changeset
491 lua_pushnil(L);
fe3018a2f187 util.encodings: Perform validation of UTF-8 strings before passing to libidn (Based on code from the utf8 library in Lua 5.3)
Kim Alvefur <zash@zash.se>
parents: 4302
diff changeset
492 return 1; /* TODO return error message */
fe3018a2f187 util.encodings: Perform validation of UTF-8 strings before passing to libidn (Based on code from the utf8 library in Lua 5.3)
Kim Alvefur <zash@zash.se>
parents: 4302
diff changeset
493 }
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
494
6643
127b9f0c6135 util.encodings: Move declarations to top of function [pedantic]
Kim Alvefur <zash@zash.se>
parents: 6615
diff changeset
495 ret = idna_to_ascii_8z(s, &output, IDNA_USE_STD3_ASCII_RULES);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
496
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
497 if(ret == IDNA_SUCCESS) {
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
498 lua_pushstring(L, output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
499 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
500 return 1;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
501 } else {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
502 lua_pushnil(L);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
503 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
504 return 1; /* TODO return error message */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
505 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
506 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
507
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
508 static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
509 size_t len;
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
510 const char *s = luaL_checklstring(L, 1, &len);
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
511 char *output = NULL;
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
512 int ret = idna_to_unicode_8z8z(s, &output, 0);
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
513
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
514 if(ret == IDNA_SUCCESS) {
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
515 lua_pushstring(L, output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
516 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
517 return 1;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
518 } else {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
519 lua_pushnil(L);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
520 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
521 return 1; /* TODO return error message */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
522 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
523 }
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
524 #endif
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
525
6615
8e4572a642cb util-src/*.c: astyle --indent=tab --brackets=attach --indent-switches --break-blocks --pad-oper --unpad-paren --add-brackets --align-pointer=type --lineend=linux
Kim Alvefur <zash@zash.se>
parents: 6608
diff changeset
526 static const luaL_Reg Reg_idna[] = {
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
527 { "to_ascii", Lidna_to_ascii },
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
528 { "to_unicode", Lidna_to_unicode },
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
529 { NULL, NULL }
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
530 };
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
531
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
532 /***************** end *****************/
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
533
7889
b8d694646597 util-src/*.c: Attach pointer * to name instead of type
Kim Alvefur <zash@zash.se>
parents: 7835
diff changeset
534 LUALIB_API int luaopen_util_encodings(lua_State *L) {
7818
54669df178c2 util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents: 6789
diff changeset
535 #if (LUA_VERSION_NUM > 501)
54669df178c2 util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents: 6789
diff changeset
536 luaL_checkversion(L);
54669df178c2 util-src: Make C modules assert that the Lua runtime matches what it was compiled for
Kim Alvefur <zash@zash.se>
parents: 6789
diff changeset
537 #endif
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
538 #ifdef USE_STRINGPREP_ICU
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
539 init_icu();
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
540 #endif
6411
6c8f6364bc48 util-src/*.c: Don't create globals when loaded
Kim Alvefur <zash@zash.se>
parents: 4302
diff changeset
541 lua_newtable(L);
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
542
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
543 lua_newtable(L);
6789
6b180e77c97a util-src/*.c: Invert Lua 5.2 compat to be 5.2+ by default and a macro to support 5.1
Kim Alvefur <zash@zash.se>
parents: 6643
diff changeset
544 luaL_setfuncs(L, Reg_base64, 0);
6412
0e94f89d0e62 util-src/*.c: Use the more concise lua_setfield
Kim Alvefur <zash@zash.se>
parents: 6411
diff changeset
545 lua_setfield(L, -2, "base64");
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
546
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
547 lua_newtable(L);
6789
6b180e77c97a util-src/*.c: Invert Lua 5.2 compat to be 5.2+ by default and a macro to support 5.1
Kim Alvefur <zash@zash.se>
parents: 6643
diff changeset
548 luaL_setfuncs(L, Reg_stringprep, 0);
6412
0e94f89d0e62 util-src/*.c: Use the more concise lua_setfield
Kim Alvefur <zash@zash.se>
parents: 6411
diff changeset
549 lua_setfield(L, -2, "stringprep");
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
550
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
551 lua_newtable(L);
6789
6b180e77c97a util-src/*.c: Invert Lua 5.2 compat to be 5.2+ by default and a macro to support 5.1
Kim Alvefur <zash@zash.se>
parents: 6643
diff changeset
552 luaL_setfuncs(L, Reg_idna, 0);
6412
0e94f89d0e62 util-src/*.c: Use the more concise lua_setfield
Kim Alvefur <zash@zash.se>
parents: 6411
diff changeset
553 lua_setfield(L, -2, "idna");
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
554
6592
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
555 lua_newtable(L);
6789
6b180e77c97a util-src/*.c: Invert Lua 5.2 compat to be 5.2+ by default and a macro to support 5.1
Kim Alvefur <zash@zash.se>
parents: 6643
diff changeset
556 luaL_setfuncs(L, Reg_utf8, 0);
6604
478308ee29dd Merge 0.9->0.10 again
Kim Alvefur <zash@zash.se>
parents: 6413 6592
diff changeset
557 lua_setfield(L, -2, "utf8");
6592
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
558
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
559 lua_pushliteral(L, "-3.14");
6412
0e94f89d0e62 util-src/*.c: Use the more concise lua_setfield
Kim Alvefur <zash@zash.se>
parents: 6411
diff changeset
560 lua_setfield(L, -2, "version");
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
561 return 1;
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
562 }