[337] | 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | ***************************************************************************/
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| 22 |
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| 23 | /*
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| 24 | * IDN conversions using Windows kernel32 and normaliz libraries.
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| 25 | */
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| 26 |
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| 27 | #include "curl_setup.h"
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| 28 |
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| 29 | #ifdef USE_WIN32_IDN
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| 30 |
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| 31 | #include "curl_multibyte.h"
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| 32 | #include "curl_memory.h"
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| 33 | #include "warnless.h"
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| 34 |
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| 35 | /* The last #include file should be: */
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| 36 | #include "memdebug.h"
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| 37 |
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| 38 | #ifdef WANT_IDN_PROTOTYPES
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| 39 | # if defined(_SAL_VERSION)
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| 40 | WINNORMALIZEAPI int WINAPI
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| 41 | IdnToAscii(_In_ DWORD dwFlags,
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| 42 | _In_reads_(cchUnicodeChar) LPCWSTR lpUnicodeCharStr,
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| 43 | _In_ int cchUnicodeChar,
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| 44 | _Out_writes_opt_(cchASCIIChar) LPWSTR lpASCIICharStr,
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| 45 | _In_ int cchASCIIChar);
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| 46 | WINNORMALIZEAPI int WINAPI
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| 47 | IdnToUnicode(_In_ DWORD dwFlags,
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| 48 | _In_reads_(cchASCIIChar) LPCWSTR lpASCIICharStr,
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| 49 | _In_ int cchASCIIChar,
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| 50 | _Out_writes_opt_(cchUnicodeChar) LPWSTR lpUnicodeCharStr,
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| 51 | _In_ int cchUnicodeChar);
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| 52 | # else
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| 53 | WINBASEAPI int WINAPI IdnToAscii(DWORD dwFlags,
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| 54 | const WCHAR *lpUnicodeCharStr,
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| 55 | int cchUnicodeChar,
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| 56 | WCHAR *lpASCIICharStr,
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| 57 | int cchASCIIChar);
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| 58 | WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags,
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| 59 | const WCHAR *lpASCIICharStr,
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| 60 | int cchASCIIChar,
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| 61 | WCHAR *lpUnicodeCharStr,
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| 62 | int cchUnicodeChar);
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| 63 | # endif
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| 64 | #endif
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| 65 |
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| 66 | #define IDN_MAX_LENGTH 255
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| 67 |
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| 68 | bool curl_win32_idn_to_ascii(const char *in, char **out);
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| 69 | bool curl_win32_ascii_to_idn(const char *in, char **out);
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| 70 |
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| 71 | bool curl_win32_idn_to_ascii(const char *in, char **out)
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| 72 | {
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| 73 | bool success = FALSE;
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| 74 |
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| 75 | wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
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| 76 | if(in_w) {
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| 77 | wchar_t punycode[IDN_MAX_LENGTH];
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| 78 | int chars = IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH);
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| 79 | free(in_w);
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| 80 | if(chars) {
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| 81 | *out = Curl_convert_wchar_to_UTF8(punycode);
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| 82 | if(*out)
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| 83 | success = TRUE;
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | return success;
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| 88 | }
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| 89 |
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| 90 | bool curl_win32_ascii_to_idn(const char *in, char **out)
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| 91 | {
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| 92 | bool success = FALSE;
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| 93 |
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| 94 | wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
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| 95 | if(in_w) {
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| 96 | size_t in_len = wcslen(in_w) + 1;
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| 97 | wchar_t unicode[IDN_MAX_LENGTH];
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| 98 | int chars = IdnToUnicode(0, in_w, curlx_uztosi(in_len),
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| 99 | unicode, IDN_MAX_LENGTH);
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| 100 | free(in_w);
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| 101 | if(chars) {
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| 102 | *out = Curl_convert_wchar_to_UTF8(unicode);
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| 103 | if(*out)
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| 104 | success = TRUE;
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| 105 | }
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| 106 | }
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| 107 |
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| 108 | return success;
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| 109 | }
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| 110 |
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| 111 | #endif /* USE_WIN32_IDN */
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