util.encodings: Support for ICU for IDNA operations.

1 files changed, 0 insertions, 243 deletions

diff --git a/util-src/encodings.c b/util-src/encodings.c
deleted file mode 100644
index f2109d0c..00000000
--- a/util-src/encodings.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/* Prosody IM
--- Copyright (C) 2008-2010 Matthew Wild
--- Copyright (C) 2008-2010 Waqas Hussain
--- 
--- This project is MIT/X11 licensed. Please see the
--- COPYING file in the source package for more information.
---
-*/
-
-/*
-* encodings.c
-* Lua library for base64, stringprep and idna encodings
-*/
-
-// Newer MSVC compilers deprecate strcpy as unsafe, but we use it in a safe way
-#define _CRT_SECURE_NO_DEPRECATE
-
-#include <string.h>
-#include <stdlib.h>
-
-#include "lua.h"
-#include "lauxlib.h"
-
-/***************** BASE64 *****************/
-
-static const char code[]=
-"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static void base64_encode(luaL_Buffer *b, unsigned int c1, unsigned int c2, unsigned int c3, int n)
-{
-	unsigned long tuple=c3+256UL*(c2+256UL*c1);
-	int i;
-	char s[4];
-	for (i=0; i<4; i++) {
-		s[3-i] = code[tuple % 64];
-		tuple /= 64;
-	}
-	for (i=n+1; i<4; i++) s[i]='=';
-	luaL_addlstring(b,s,4);
-}
-
-static int Lbase64_encode(lua_State *L)		/** encode(s) */
-{
-	size_t l;
-	const unsigned char *s=(const unsigned char*)luaL_checklstring(L,1,&l);
-	luaL_Buffer b;
-	int n;
-	luaL_buffinit(L,&b);
-	for (n=l/3; n--; s+=3) base64_encode(&b,s[0],s[1],s[2],3);
-	switch (l%3)
-	{
-		case 1: base64_encode(&b,s[0],0,0,1);		break;
-		case 2: base64_encode(&b,s[0],s[1],0,2);		break;
-	}
-	luaL_pushresult(&b);
-	return 1;
-}
-
-static void base64_decode(luaL_Buffer *b, int c1, int c2, int c3, int c4, int n)
-{
-	unsigned long tuple=c4+64L*(c3+64L*(c2+64L*c1));
-	char s[3];
-	switch (--n)
-	{
-		case 3: s[2]=(char) tuple;
-		case 2: s[1]=(char) (tuple >> 8);
-		case 1: s[0]=(char) (tuple >> 16);
-	}
-	luaL_addlstring(b,s,n);
-}
-
-static int Lbase64_decode(lua_State *L)		/** decode(s) */
-{
-	size_t l;
-	const char *s=luaL_checklstring(L,1,&l);
-	luaL_Buffer b;
-	int n=0;
-	char t[4];
-	luaL_buffinit(L,&b);
-	for (;;)
-	{
-		int c=*s++;
-		switch (c)
-		{
-			const char *p;
-			default:
-				p=strchr(code,c); if (p==NULL) return 0;
-				t[n++]= (char) (p-code);
-				if (n==4)
-				{
-					base64_decode(&b,t[0],t[1],t[2],t[3],4);
-					n=0;
-				}
-				break;
-			case '=':
-				switch (n)
-				{
-					case 1: base64_decode(&b,t[0],0,0,0,1);		break;
-					case 2: base64_decode(&b,t[0],t[1],0,0,2);	break;
-					case 3: base64_decode(&b,t[0],t[1],t[2],0,3);	break;
-				}
-				n=0;
-				break;
-			case 0:
-				luaL_pushresult(&b);
-				return 1;
-			case '\n': case '\r': case '\t': case ' ': case '\f': case '\b':
-				break;
-		}
-	}
-}
-
-static const luaL_Reg Reg_base64[] =
-{
-	{ "encode",	Lbase64_encode	},
-	{ "decode",	Lbase64_decode	},
-	{ NULL,		NULL	}
-};
-
-/***************** STRINGPREP *****************/
-
-#include <stringprep.h>
-
-static int stringprep_prep(lua_State *L, const Stringprep_profile *profile)
-{
-	size_t len;
-	const char *s;
-	char string[1024];
-	int ret;
-	if(!lua_isstring(L, 1)) {
-		lua_pushnil(L);
-		return 1;
-	}
-	s = lua_tolstring(L, 1, &len);
-	if (len >= 1024) {
-		lua_pushnil(L);
-		return 1; // TODO return error message
-	}
-	strcpy(string, s);
-	ret = stringprep(string, 1024, 0, profile);
-	if (ret == STRINGPREP_OK) {
-		lua_pushstring(L, string);
-		return 1;
-	} else {
-		lua_pushnil(L);
-		return 1; // TODO return error message
-	}
-}
-
-#define MAKE_PREP_FUNC(myFunc, prep) \
-static int myFunc(lua_State *L) { return stringprep_prep(L, prep); }
-
-MAKE_PREP_FUNC(Lstringprep_nameprep, stringprep_nameprep)		/** stringprep.nameprep(s) */
-MAKE_PREP_FUNC(Lstringprep_nodeprep, stringprep_xmpp_nodeprep)		/** stringprep.nodeprep(s) */
-MAKE_PREP_FUNC(Lstringprep_resourceprep, stringprep_xmpp_resourceprep)		/** stringprep.resourceprep(s) */
-MAKE_PREP_FUNC(Lstringprep_saslprep, stringprep_saslprep)		/** stringprep.saslprep(s) */
-
-static const luaL_Reg Reg_stringprep[] =
-{
-	{ "nameprep",	Lstringprep_nameprep	},
-	{ "nodeprep",	Lstringprep_nodeprep	},
-	{ "resourceprep",	Lstringprep_resourceprep	},
-	{ "saslprep",	Lstringprep_saslprep	},
-	{ NULL,		NULL	}
-};
-
-/***************** IDNA *****************/
-
-#include <idna.h>
-#include <idn-free.h>
-
-static int Lidna_to_ascii(lua_State *L)		/** idna.to_ascii(s) */
-{
-	size_t len;
-	const char *s = luaL_checklstring(L, 1, &len);
-	char* output = NULL;
-	int ret = idna_to_ascii_8z(s, &output, IDNA_USE_STD3_ASCII_RULES);
-	if (ret == IDNA_SUCCESS) {
-		lua_pushstring(L, output);
-		idn_free(output);
-		return 1;
-	} else {
-		lua_pushnil(L);
-		idn_free(output);
-		return 1; // TODO return error message
-	}
-}
-
-static int Lidna_to_unicode(lua_State *L)		/** idna.to_unicode(s) */
-{
-	size_t len;
-	const char *s = luaL_checklstring(L, 1, &len);
-	char* output = NULL;
-	int ret = idna_to_unicode_8z8z(s, &output, 0);
-	if (ret == IDNA_SUCCESS) {
-		lua_pushstring(L, output);
-		idn_free(output);
-		return 1;
-	} else {
-		lua_pushnil(L);
-		idn_free(output);
-		return 1; // TODO return error message
-	}
-}
-
-static const luaL_Reg Reg_idna[] =
-{
-	{ "to_ascii",	Lidna_to_ascii	},
-	{ "to_unicode",	Lidna_to_unicode	},
-	{ NULL,		NULL	}
-};
-
-/***************** end *****************/
-
-static const luaL_Reg Reg[] =
-{
-	{ NULL,		NULL	}
-};
-
-LUALIB_API int luaopen_util_encodings(lua_State *L)
-{
-	luaL_register(L, "encodings", Reg);
-
-	lua_pushliteral(L, "base64");
-	lua_newtable(L);
-	luaL_register(L, NULL, Reg_base64);
-	lua_settable(L,-3);
-
-	lua_pushliteral(L, "stringprep");
-	lua_newtable(L);
-	luaL_register(L, NULL, Reg_stringprep);
-	lua_settable(L,-3);
-
-	lua_pushliteral(L, "idna");
-	lua_newtable(L);
-	luaL_register(L, NULL, Reg_idna);
-	lua_settable(L,-3);
-
-	lua_pushliteral(L, "version");			/** version */
-	lua_pushliteral(L, "-3.14");
-	lua_settable(L,-3);
-	return 1;
-}