1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel (at) 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 38 # if defined(_SAL_VERSION) 39 WINNORMALIZEAPI int WINAPI 40 IdnToAscii(_In_ DWORD dwFlags, 41 _In_reads_(cchUnicodeChar) LPCWSTR lpUnicodeCharStr, 42 _In_ int cchUnicodeChar, 43 _Out_writes_opt_(cchASCIIChar) LPWSTR lpASCIICharStr, 44 _In_ int cchASCIIChar); 45 WINNORMALIZEAPI int WINAPI 46 IdnToUnicode(_In_ DWORD dwFlags, 47 _In_reads_(cchASCIIChar) LPCWSTR lpASCIICharStr, 48 _In_ int cchASCIIChar, 49 _Out_writes_opt_(cchUnicodeChar) LPWSTR lpUnicodeCharStr, 50 _In_ int cchUnicodeChar); 51 # else 52 WINBASEAPI int WINAPI IdnToAscii(DWORD dwFlags, 53 const WCHAR *lpUnicodeCharStr, 54 int cchUnicodeChar, 55 WCHAR *lpASCIICharStr, 56 int cchASCIIChar); 57 WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags, 58 const WCHAR *lpASCIICharStr, 59 int cchASCIIChar, 60 WCHAR *lpUnicodeCharStr, 61 int cchUnicodeChar); 62 # endif 63 #endif 64 65 #define IDN_MAX_LENGTH 255 66 67 int curl_win32_idn_to_ascii(const char *in, char **out); 68 int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8); 69 70 int curl_win32_idn_to_ascii(const char *in, char **out) 71 { 72 wchar_t *in_w = Curl_convert_UTF8_to_wchar(in); 73 if(in_w) { 74 wchar_t punycode[IDN_MAX_LENGTH]; 75 if(IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH) == 0) { 76 wprintf(L"ERROR %d converting to Punycode\n", GetLastError()); 77 free(in_w); 78 return 0; 79 } 80 free(in_w); 81 82 *out = Curl_convert_wchar_to_UTF8(punycode); 83 if(!*out) 84 return 0; 85 } 86 return 1; 87 } 88 89 int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8) 90 { 91 (void)in_len; /* unused */ 92 if(in) { 93 WCHAR unicode[IDN_MAX_LENGTH]; 94 95 if(IdnToUnicode(0, (wchar_t *)in, -1, unicode, IDN_MAX_LENGTH) == 0) { 96 wprintf(L"ERROR %d converting to Punycode\n", GetLastError()); 97 return 0; 98 } 99 else { 100 *out_utf8 = Curl_convert_wchar_to_UTF8(unicode); 101 if(!*out_utf8) 102 return 0; 103 } 104 } 105 return 1; 106 } 107 108 #endif /* USE_WIN32_IDN */ 109
