1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at http://curl.haxx.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 ***************************************************************************/ 22 23 /* 24 * IDN conversions using Windows kernel32 and normaliz libraries. 25 */ 26 27#include "curl_setup.h" 28 29#ifdef USE_WIN32_IDN 30 31#include "curl_multibyte.h" 32 33#include "curl_memory.h" 34/* The last #include file should be: */ 35#include "memdebug.h" 36 37#ifdef WANT_IDN_PROTOTYPES 38WINBASEAPI int WINAPI IdnToAscii(DWORD, const WCHAR *, int, WCHAR *, int); 39WINBASEAPI int WINAPI IdnToUnicode(DWORD, const WCHAR *, int, WCHAR *, int); 40#endif 41 42#define IDN_MAX_LENGTH 255 43 44int curl_win32_idn_to_ascii(const char *in, char **out); 45int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8); 46 47int curl_win32_idn_to_ascii(const char *in, char **out) 48{ 49 wchar_t *in_w = Curl_convert_UTF8_to_wchar(in); 50 if(in_w) { 51 wchar_t punycode[IDN_MAX_LENGTH]; 52 if(IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH) == 0) { 53 wprintf(L"ERROR %d converting to Punycode\n", GetLastError()); 54 free(in_w); 55 return 0; 56 } 57 free(in_w); 58 59 *out = Curl_convert_wchar_to_UTF8(punycode); 60 if(!*out) 61 return 0; 62 } 63 return 1; 64} 65 66int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8) 67{ 68 (void)in_len; /* unused */ 69 if(in) { 70 WCHAR unicode[IDN_MAX_LENGTH]; 71 72 if(IdnToUnicode(0, (wchar_t *)in, -1, unicode, IDN_MAX_LENGTH) == 0) { 73 wprintf(L"ERROR %d converting to Punycode\n", GetLastError()); 74 return 0; 75 } 76 else { 77 *out_utf8 = Curl_convert_wchar_to_UTF8(unicode); 78 if(!*out_utf8) 79 return 0; 80 } 81 } 82 return 1; 83} 84 85#endif /* USE_WIN32_IDN */ 86