prosody
776789a98047
util-src/encodings.c

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util-src/encodings.c @ 8224:776789a98047

util.dependencies: Add comment about LuaSec compat
author Kim Alvefur <zash@zash.se>
date Tue, 25 Jul 2017 13:25:49 +0200
parent 6592:141afe8a167b
child 6602:61b6a4fc65f1
child 6604:478308ee29dd
child 6607:64e6b88b6b21
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 /***************** BASE64 *****************/
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25
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26 static const char code[]=
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27 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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28
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29 static void base64_encode(luaL_Buffer *b, unsigned int c1, unsigned int c2, unsigned int c3, int n)
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30 {
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31 unsigned long tuple=c3+256UL*(c2+256UL*c1);
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32 int i;
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33 char s[4];
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34 for (i=0; i<4; i++) {
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35 s[3-i] = code[tuple % 64];
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36 tuple /= 64;
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37 }
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38 for (i=n+1; i<4; i++) s[i]='=';
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39 luaL_addlstring(b,s,4);
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40 }
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41
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42 static int Lbase64_encode(lua_State *L) /** encode(s) */
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43 {
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44 size_t l;
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45 const unsigned char *s=(const unsigned char*)luaL_checklstring(L,1,&l);
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46 luaL_Buffer b;
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47 int n;
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48 luaL_buffinit(L,&b);
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49 for (n=l/3; n--; s+=3) base64_encode(&b,s[0],s[1],s[2],3);
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50 switch (l%3)
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51 {
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52 case 1: base64_encode(&b,s[0],0,0,1); break;
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53 case 2: base64_encode(&b,s[0],s[1],0,2); break;
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54 }
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55 luaL_pushresult(&b);
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56 return 1;
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57 }
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58
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59 static void base64_decode(luaL_Buffer *b, int c1, int c2, int c3, int c4, int n)
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60 {
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61 unsigned long tuple=c4+64L*(c3+64L*(c2+64L*c1));
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62 char s[3];
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63 switch (--n)
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64 {
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65 case 3: s[2]=(char) tuple;
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66 case 2: s[1]=(char) (tuple >> 8);
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67 case 1: s[0]=(char) (tuple >> 16);
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68 }
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69 luaL_addlstring(b,s,n);
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70 }
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71
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72 static int Lbase64_decode(lua_State *L) /** decode(s) */
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73 {
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74 size_t l;
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75 const char *s=luaL_checklstring(L,1,&l);
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76 luaL_Buffer b;
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77 int n=0;
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78 char t[4];
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79 luaL_buffinit(L,&b);
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80 for (;;)
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81 {
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82 int c=*s++;
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83 switch (c)
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84 {
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85 const char *p;
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86 default:
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87 p=strchr(code,c); if (p==NULL) return 0;
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88 t[n++]= (char) (p-code);
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89 if (n==4)
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90 {
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91 base64_decode(&b,t[0],t[1],t[2],t[3],4);
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92 n=0;
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93 }
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94 break;
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95 case '=':
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96 switch (n)
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97 {
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98 case 1: base64_decode(&b,t[0],0,0,0,1); break;
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99 case 2: base64_decode(&b,t[0],t[1],0,0,2); break;
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100 case 3: base64_decode(&b,t[0],t[1],t[2],0,3); break;
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101 }
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102 n=0;
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103 break;
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104 case 0:
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105 luaL_pushresult(&b);
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106 return 1;
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107 case '\n': case '\r': case '\t': case ' ': case '\f': case '\b':
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108 break;
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109 }
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110 }
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111 }
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112
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113 static const luaL_Reg Reg_base64[] =
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114 {
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115 { "encode", Lbase64_encode },
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116 { "decode", Lbase64_decode },
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117 { NULL, NULL }
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118 };
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119
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120 /******************* UTF-8 ********************/
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121
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122 /*
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123 * Adapted from Lua 5.3
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124 * Needed because libidn does not validate that input is valid UTF-8
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125 */
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126
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127 #define MAXUNICODE 0x10FFFF
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128
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129 /*
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130 * Decode one UTF-8 sequence, returning NULL if byte sequence is invalid.
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131 */
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132 static const char *utf8_decode (const char *o, int *val) {
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133 static unsigned int limits[] = {0xFF, 0x7F, 0x7FF, 0xFFFF};
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134 const unsigned char *s = (const unsigned char *)o;
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135 unsigned int c = s[0];
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136 unsigned int res = 0; /* final result */
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137 if (c < 0x80) /* ascii? */
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138 res = c;
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139 else {
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140 int count = 0; /* to count number of continuation bytes */
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141 while (c & 0x40) { /* still have continuation bytes? */
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142 int cc = s[++count]; /* read next byte */
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143 if ((cc & 0xC0) != 0x80) /* not a continuation byte? */
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144 return NULL; /* invalid byte sequence */
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145 res = (res << 6) | (cc & 0x3F); /* add lower 6 bits from cont. byte */
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146 c <<= 1; /* to test next bit */
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147 }
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148 res |= ((c & 0x7F) << (count * 5)); /* add first byte */
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149 if (count > 3 || res > MAXUNICODE || res <= limits[count] || (0xd800 <= res && res <= 0xdfff) )
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150 return NULL; /* invalid byte sequence */
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151 s += count; /* skip continuation bytes read */
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152 }
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153 if (val) *val = res;
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154 return (const char *)s + 1; /* +1 to include first byte */
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155 }
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156
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157 /*
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158 * Check that a string is valid UTF-8
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159 * Returns NULL if not
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160 */
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161 const char* check_utf8 (lua_State *L, int idx, size_t *l) {
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162 size_t pos, len;
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163 const char *s = luaL_checklstring(L, 1, &len);
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164 pos = 0;
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165 while (pos <= len) {
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166 const char *s1 = utf8_decode(s + pos, NULL);
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167 if (s1 == NULL) { /* conversion error? */
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168 return NULL;
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169 }
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170 pos = s1 - s;
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171 }
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172 if(l != NULL) {
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173 *l = len;
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174 }
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175 return s;
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176 }
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177
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178 static int Lutf8_valid(lua_State *L) {
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179 lua_pushboolean(L, check_utf8(L, 1, NULL) != NULL);
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180 return 1;
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181 }
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182
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183 static int Lutf8_length(lua_State *L) {
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184 size_t len;
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185 if(!check_utf8(L, 1, &len)) {
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186 lua_pushnil(L);
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187 lua_pushliteral(L, "invalid utf8");
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188 return 2;
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189 }
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190 lua_pushinteger(L, len);
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191 return 1;
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192 }
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193
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194 static const luaL_Reg Reg_utf8[] =
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195 {
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196 { "valid", Lutf8_valid },
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197 { "length", Lutf8_length },
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198 { NULL, NULL }
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199 };
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200
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201
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
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202 /***************** STRINGPREP *****************/
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203 #ifdef USE_STRINGPREP_ICU
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204
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205 #include <unicode/usprep.h>
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206 #include <unicode/ustring.h>
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207 #include <unicode/utrace.h>
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208
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209 static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile)
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210 {
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diff changeset
211 size_t input_len;
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212 int32_t unprepped_len, prepped_len, output_len;
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diff changeset
213 const char *input;
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diff changeset
214 char output[1024];
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215
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diff changeset
216 UChar unprepped[1024]; /* Temporary unicode buffer (1024 characters) */
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diff changeset
217 UChar prepped[1024];
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218
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219 UErrorCode err = U_ZERO_ERROR;
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220
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221 if(!lua_isstring(L, 1)) {
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222 lua_pushnil(L);
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223 return 1;
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224 }
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diff changeset
225 input = lua_tolstring(L, 1, &input_len);
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226 if (input_len >= 1024) {
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227 lua_pushnil(L);
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228 return 1;
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229 }
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diff changeset
230 u_strFromUTF8(unprepped, 1024, &unprepped_len, input, input_len, &err);
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231 if (U_FAILURE(err)) {
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232 lua_pushnil(L);
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233 return 1;
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234 }
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235 prepped_len = usprep_prepare(profile, unprepped, unprepped_len, prepped, 1024, 0, NULL, &err);
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236 if (U_FAILURE(err)) {
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237 lua_pushnil(L);
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238 return 1;
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239 } else {
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240 u_strToUTF8(output, 1024, &output_len, prepped, prepped_len, &err);
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241 if (U_SUCCESS(err) && output_len < 1024)
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242 lua_pushlstring(L, output, output_len);
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243 else
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244 lua_pushnil(L);
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245 return 1;
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246 }
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247 }
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248
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249 UStringPrepProfile *icu_nameprep;
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250 UStringPrepProfile *icu_nodeprep;
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251 UStringPrepProfile *icu_resourceprep;
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252 UStringPrepProfile *icu_saslprep;
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253
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254 /* initialize global ICU stringprep profiles */
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255 void init_icu()
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256 {
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257 UErrorCode err = U_ZERO_ERROR;
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258 utrace_setLevel(UTRACE_VERBOSE);
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259 icu_nameprep = usprep_openByType(USPREP_RFC3491_NAMEPREP, &err);
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260 icu_nodeprep = usprep_openByType(USPREP_RFC3920_NODEPREP, &err);
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261 icu_resourceprep = usprep_openByType(USPREP_RFC3920_RESOURCEPREP, &err);
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262 icu_saslprep = usprep_openByType(USPREP_RFC4013_SASLPREP, &err);
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263 if (U_FAILURE(err)) fprintf(stderr, "[c] util.encodings: error: %s\n", u_errorName((UErrorCode)err));
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264 }
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265
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266 #define MAKE_PREP_FUNC(myFunc, prep) \
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267 static int myFunc(lua_State *L) { return icu_stringprep_prep(L, prep); }
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268
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269 MAKE_PREP_FUNC(Lstringprep_nameprep, icu_nameprep) /** stringprep.nameprep(s) */
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270 MAKE_PREP_FUNC(Lstringprep_nodeprep, icu_nodeprep) /** stringprep.nodeprep(s) */
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271 MAKE_PREP_FUNC(Lstringprep_resourceprep, icu_resourceprep) /** stringprep.resourceprep(s) */
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272 MAKE_PREP_FUNC(Lstringprep_saslprep, icu_saslprep) /** stringprep.saslprep(s) */
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273
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274 static const luaL_Reg Reg_stringprep[] =
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275 {
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276 { "nameprep", Lstringprep_nameprep },
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277 { "nodeprep", Lstringprep_nodeprep },
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278 { "resourceprep", Lstringprep_resourceprep },
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279 { "saslprep", Lstringprep_saslprep },
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280 { NULL, NULL }
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281 };
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282 #else /* USE_STRINGPREP_ICU */
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283
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284 /****************** libidn ********************/
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285
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286 #include <stringprep.h>
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287
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288 static int stringprep_prep(lua_State *L, const Stringprep_profile *profile)
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289 {
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290 size_t len;
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291 const char *s;
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292 char string[1024];
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293 int ret;
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294 if(!lua_isstring(L, 1)) {
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295 lua_pushnil(L);
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296 return 1;
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297 }
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298 s = check_utf8(L, 1, &len);
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299 if (s == NULL || len >= 1024 || len != strlen(s)) {
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300 lua_pushnil(L);
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301 return 1; /* TODO return error message */
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302 }
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303 strcpy(string, s);
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304 ret = stringprep(string, 1024, (Stringprep_profile_flags)0, profile);
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305 if (ret == STRINGPREP_OK) {
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306 lua_pushstring(L, string);
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307 return 1;
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308 } else {
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309 lua_pushnil(L);
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310 return 1; /* TODO return error message */
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311 }
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312 }
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313
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314 #define MAKE_PREP_FUNC(myFunc, prep) \
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315 static int myFunc(lua_State *L) { return stringprep_prep(L, prep); }
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316
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317 MAKE_PREP_FUNC(Lstringprep_nameprep, stringprep_nameprep) /** stringprep.nameprep(s) */
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318 MAKE_PREP_FUNC(Lstringprep_nodeprep, stringprep_xmpp_nodeprep) /** stringprep.nodeprep(s) */
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319 MAKE_PREP_FUNC(Lstringprep_resourceprep, stringprep_xmpp_resourceprep) /** stringprep.resourceprep(s) */
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320 MAKE_PREP_FUNC(Lstringprep_saslprep, stringprep_saslprep) /** stringprep.saslprep(s) */
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321
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322 static const luaL_Reg Reg_stringprep[] =
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323 {
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324 { "nameprep", Lstringprep_nameprep },
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325 { "nodeprep", Lstringprep_nodeprep },
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326 { "resourceprep", Lstringprep_resourceprep },
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327 { "saslprep", Lstringprep_saslprep },
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328 { NULL, NULL }
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329 };
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330 #endif
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331
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332 /***************** IDNA *****************/
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333 #ifdef USE_STRINGPREP_ICU
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334 #include <unicode/ustdio.h>
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335 #include <unicode/uidna.h>
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336 /* IDNA2003 or IDNA2008 ? ? ? */
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337 static int Lidna_to_ascii(lua_State *L) /** idna.to_ascii(s) */
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338 {
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339 size_t len;
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340 int32_t ulen, dest_len, output_len;
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341 const char *s = luaL_checklstring(L, 1, &len);
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342 UChar ustr[1024];
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343 UErrorCode err = U_ZERO_ERROR;
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344 UChar dest[1024];
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345 char output[1024];
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346
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347 u_strFromUTF8(ustr, 1024, &ulen, s, len, &err);
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348 if (U_FAILURE(err)) {
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349 lua_pushnil(L);
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350 return 1;
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351 }
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352
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353 dest_len = uidna_IDNToASCII(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err);
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354 if (U_FAILURE(err)) {
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355 lua_pushnil(L);
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356 return 1;
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357 } else {
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358 u_strToUTF8(output, 1024, &output_len, dest, dest_len, &err);
4273
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Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
359 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
360 lua_pushlstring(L, output, output_len);
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
361 else
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
362 lua_pushnil(L);
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
363 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
364 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
365 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
366
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
367 static int Lidna_to_unicode(lua_State *L) /** idna.to_unicode(s) */
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
368 {
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
369 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
370 int32_t ulen, dest_len, output_len;
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
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parents: 2923
diff changeset
371 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
372 UChar ustr[1024];
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
373 UErrorCode err = U_ZERO_ERROR;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
374 UChar dest[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
375 char output[1024];
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
376
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
377 u_strFromUTF8(ustr, 1024, &ulen, s, len, &err);
4273
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
378 if (U_FAILURE(err)) {
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
379 lua_pushnil(L);
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
380 return 1;
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
381 }
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
382
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
383 dest_len = uidna_IDNToUnicode(ustr, ulen, dest, 1024, UIDNA_USE_STD3_RULES, NULL, &err);
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
384 if (U_FAILURE(err)) {
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
385 lua_pushnil(L);
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
386 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
387 } 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
388 u_strToUTF8(output, 1024, &output_len, dest, dest_len, &err);
4273
7f789266b741 util.encodings: Check return values before proceeding
Paul Aurich <paul@darkrain42.org>
parents: 4272
diff changeset
389 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
390 lua_pushlstring(L, output, output_len);
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
391 else
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
392 lua_pushnil(L);
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
393 return 1;
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
394 }
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
395 }
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
396
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
397 #else /* USE_STRINGPREP_ICU */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
398 /****************** libidn ********************/
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
399
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
400 #include <idna.h>
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
401 #include <idn-free.h>
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
402
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
403 static int Lidna_to_ascii(lua_State *L) /** idna.to_ascii(s) */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
404 {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
405 size_t len;
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
406 const char *s = check_utf8(L, 1, &len);
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
407 if (s == NULL || len != strlen(s)) {
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
408 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
409 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
410 }
4272
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
411 char* output = NULL;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
412 int ret = idna_to_ascii_8z(s, &output, IDNA_USE_STD3_ASCII_RULES);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
413 if (ret == IDNA_SUCCESS) {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
414 lua_pushstring(L, output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
415 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
416 return 1;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
417 } else {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
418 lua_pushnil(L);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
419 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
420 return 1; /* TODO return error message */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
421 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
422 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
423
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
424 static int Lidna_to_unicode(lua_State *L) /** idna.to_unicode(s) */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
425 {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
426 size_t len;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
427 const char *s = luaL_checklstring(L, 1, &len);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
428 char* output = NULL;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
429 int ret = idna_to_unicode_8z8z(s, &output, 0);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
430 if (ret == IDNA_SUCCESS) {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
431 lua_pushstring(L, output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
432 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
433 return 1;
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
434 } else {
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
435 lua_pushnil(L);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
436 idn_free(output);
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
437 return 1; /* TODO return error message */
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
438 }
0a4ce2086a88 util.encodings: Swap code order ("ifndef" bugs me)
Paul Aurich <paul@darkrain42.org>
parents: 4271
diff changeset
439 }
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
440 #endif
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
441
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
442 static const luaL_Reg Reg_idna[] =
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
443 {
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
444 { "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
445 { "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
446 { NULL, NULL }
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
447 };
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
448
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
449 /***************** end *****************/
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
450
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
451 static const luaL_Reg Reg[] =
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
452 {
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
453 { NULL, NULL }
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
454 };
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
455
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
456 LUALIB_API int luaopen_util_encodings(lua_State *L)
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
457 {
3762
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
458 #ifdef USE_STRINGPREP_ICU
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
459 init_icu();
f02bac902a1e util.encodings: Support for ICU for IDNA operations.
Tobias Markmann <tm@ayena.de>
parents: 2923
diff changeset
460 #endif
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
461 luaL_register(L, "encodings", Reg);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
462
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
463 lua_pushliteral(L, "base64");
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
464 lua_newtable(L);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
465 luaL_register(L, NULL, Reg_base64);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
466 lua_settable(L,-3);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
467
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
468 lua_pushliteral(L, "stringprep");
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
469 lua_newtable(L);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
470 luaL_register(L, NULL, Reg_stringprep);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
471 lua_settable(L,-3);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
472
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
473 lua_pushliteral(L, "idna");
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
474 lua_newtable(L);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
475 luaL_register(L, NULL, Reg_idna);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
476 lua_settable(L,-3);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
477
6592
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
478 lua_pushliteral(L, "utf8");
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
479 lua_newtable(L);
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
480 luaL_register(L, NULL, Reg_utf8);
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
481 lua_settable(L, -3);
141afe8a167b util.encodings: Expose UTF-8 validation and length checking functions
Kim Alvefur <zash@zash.se>
parents: 6591
diff changeset
482
766
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
483 lua_pushliteral(L, "version"); /** version */
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
484 lua_pushliteral(L, "-3.14");
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
485 lua_settable(L,-3);
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
486 return 1;
433a5226267f Licensing/version updates for some files (forgot to commit, doh...)
Matthew Wild <mwild1@gmail.com>
parents: 601
diff changeset
487 }