socketwrapper.c

   1 // socketwrapper.c\r
   2 // Copyright (C) 2011 Suguru Kawamoto\r
   3 // ソケットラッパー\r
   4 // socket関連関数をOpenSSL用に置換\r
   5 // socket関連関数のIPv6対応\r
   6 // コンパイルにはOpenSSLのヘッダーファイルが必要\r
   7 // 実行にはOpenSSLのDLLが必要\r
   8 \r
   9 #include <ws2tcpip.h>\r
  10 #include <windows.h>\r
  11 #include <mmsystem.h>\r
  12 #include <openssl/ssl.h>\r
  13 \r
  14 #include "socketwrapper.h"\r
  15 #include "protectprocess.h"\r
  16 #include "mbswrapper.h"\r
  17 #include "punycode.h"\r
  18 \r
  19 // FTPS対応\r
  20 \r
  21 typedef void (__cdecl* _SSL_load_error_strings)();\r
  22 typedef int (__cdecl* _SSL_library_init)();\r
  23 typedef SSL_METHOD* (__cdecl* _SSLv23_method)();\r
  24 typedef SSL_CTX* (__cdecl* _SSL_CTX_new)(SSL_METHOD*);\r
  25 typedef void (__cdecl* _SSL_CTX_free)(SSL_CTX*);\r
  26 typedef SSL* (__cdecl* _SSL_new)(SSL_CTX*);\r
  27 typedef void (__cdecl* _SSL_free)(SSL*);\r
  28 typedef int (__cdecl* _SSL_shutdown)(SSL*);\r
  29 typedef int (__cdecl* _SSL_get_fd)(SSL*);\r
  30 typedef int (__cdecl* _SSL_set_fd)(SSL*, int);\r
  31 typedef int (__cdecl* _SSL_accept)(SSL*);\r
  32 typedef int (__cdecl* _SSL_connect)(SSL*);\r
  33 typedef int (__cdecl* _SSL_write)(SSL*, const void*, int);\r
  34 typedef int (__cdecl* _SSL_peek)(SSL*, void*, int);\r
  35 typedef int (__cdecl* _SSL_read)(SSL*, void*, int);\r
  36 typedef int (__cdecl* _SSL_get_error)(SSL*, int);\r
  37 typedef X509* (__cdecl* _SSL_get_peer_certificate)(const SSL*);\r
  38 typedef long (__cdecl* _SSL_get_verify_result)(const SSL*);\r
  39 typedef SSL_SESSION* (__cdecl* _SSL_get_session)(SSL*);\r
  40 typedef int (__cdecl* _SSL_set_session)(SSL*, SSL_SESSION*);\r
  41 typedef X509_STORE* (__cdecl* _SSL_CTX_get_cert_store)(const SSL_CTX*);\r
  42 typedef BIO_METHOD* (__cdecl* _BIO_s_mem)();\r
  43 typedef BIO* (__cdecl* _BIO_new)(BIO_METHOD*);\r
  44 typedef int (__cdecl* _BIO_free)(BIO*);\r
  45 typedef BIO* (__cdecl* _BIO_new_mem_buf)(void*, int);\r
  46 typedef long (__cdecl* _BIO_ctrl)(BIO*, int, long, void*);\r
  47 typedef void (__cdecl* _X509_free)(X509*);\r
  48 typedef int (__cdecl* _X509_print_ex)(BIO*, X509*, unsigned long, unsigned long);\r
  49 typedef X509_NAME* (__cdecl* _X509_get_subject_name)(X509*);\r
  50 typedef int (__cdecl* _X509_NAME_print_ex)(BIO*, X509_NAME*, int, unsigned long);\r
  51 typedef X509* (__cdecl* _PEM_read_bio_X509)(BIO*, X509**, pem_password_cb*, void*);\r
  52 typedef int (__cdecl* _X509_STORE_add_cert)(X509_STORE*, X509*);\r
  53 \r
  54 _SSL_load_error_strings p_SSL_load_error_strings;\r
  55 _SSL_library_init p_SSL_library_init;\r
  56 _SSLv23_method p_SSLv23_method;\r
  57 _SSL_CTX_new p_SSL_CTX_new;\r
  58 _SSL_CTX_free p_SSL_CTX_free;\r
  59 _SSL_new p_SSL_new;\r
  60 _SSL_free p_SSL_free;\r
  61 _SSL_shutdown p_SSL_shutdown;\r
  62 _SSL_get_fd p_SSL_get_fd;\r
  63 _SSL_set_fd p_SSL_set_fd;\r
  64 _SSL_accept p_SSL_accept;\r
  65 _SSL_connect p_SSL_connect;\r
  66 _SSL_write p_SSL_write;\r
  67 _SSL_peek p_SSL_peek;\r
  68 _SSL_read p_SSL_read;\r
  69 _SSL_get_error p_SSL_get_error;\r
  70 _SSL_get_peer_certificate p_SSL_get_peer_certificate;\r
  71 _SSL_get_verify_result p_SSL_get_verify_result;\r
  72 _SSL_get_session p_SSL_get_session;\r
  73 _SSL_set_session p_SSL_set_session;\r
  74 _SSL_CTX_get_cert_store p_SSL_CTX_get_cert_store;\r
  75 _BIO_s_mem p_BIO_s_mem;\r
  76 _BIO_new p_BIO_new;\r
  77 _BIO_free p_BIO_free;\r
  78 _BIO_new_mem_buf p_BIO_new_mem_buf;\r
  79 _BIO_ctrl p_BIO_ctrl;\r
  80 _X509_free p_X509_free;\r
  81 _X509_print_ex p_X509_print_ex;\r
  82 _X509_get_subject_name p_X509_get_subject_name;\r
  83 _X509_NAME_print_ex p_X509_NAME_print_ex;\r
  84 _PEM_read_bio_X509 p_PEM_read_bio_X509;\r
  85 _X509_STORE_add_cert p_X509_STORE_add_cert;\r
  86 \r
  87 #define MAX_SSL_SOCKET 16\r
  88 \r
  89 BOOL g_bOpenSSLLoaded;\r
  90 HMODULE g_hOpenSSL;\r
  91 HMODULE g_hOpenSSLCommon;\r
  92 CRITICAL_SECTION g_OpenSSLLock;\r
  93 DWORD g_OpenSSLTimeout;\r
  94 LPSSLTIMEOUTCALLBACK g_pOpenSSLTimeoutCallback;\r
  95 LPSSLCONFIRMCALLBACK g_pOpenSSLConfirmCallback;\r
  96 SSL_CTX* g_pOpenSSLCTX;\r
  97 SSL* g_pOpenSSLHandle[MAX_SSL_SOCKET];\r
  98 \r
  99 BOOL __stdcall DefaultSSLTimeoutCallback(BOOL* pbAborted)\r
 100 {\r
 101         Sleep(100);\r
 102         return *pbAborted;\r
 103 }\r
 104 \r
 105 BOOL __stdcall DefaultSSLConfirmCallback(BOOL* pbAborted, BOOL bVerified, LPCSTR Certificate, LPCSTR CommonName)\r
 106 {\r
 107         return bVerified;\r
 108 }\r
 109 \r
 110 // OpenSSLを初期化\r
 111 BOOL LoadOpenSSL()\r
 112 {\r
 113         if(g_bOpenSSLLoaded)\r
 114                 return FALSE;\r
 115 #ifdef ENABLE_PROCESS_PROTECTION\r
 116         // 同梱するOpenSSLのバージョンに合わせてSHA1ハッシュ値を変更すること\r
 117         // ssleay32.dll 1.0.0g\r
 118         // libssl32.dll 1.0.0g\r
 119         RegisterTrustedModuleSHA1Hash("\x42\x32\x3E\x44\x35\xBC\x98\x6C\x45\xC9\xA2\xB8\x41\xE7\xDA\x7B\x6A\x98\xB2\x28");\r
 120         // libeay32.dll 1.0.0g\r
 121         RegisterTrustedModuleSHA1Hash("\x3F\xC8\x07\x84\xB3\xF0\x71\x4A\x18\x59\x52\x1F\x99\x09\x65\xB9\x49\xA7\x15\x36");\r
 122 #endif\r
 123         g_hOpenSSL = LoadLibrary("ssleay32.dll");\r
 124         // バージョン固定のためlibssl32.dllの読み込みは脆弱性の原因になり得るので廃止\r
 125 //      if(!g_hOpenSSL)\r
 126 //              g_hOpenSSL = LoadLibrary("libssl32.dll");\r
 127         if(!g_hOpenSSL\r
 128                 || !(p_SSL_load_error_strings = (_SSL_load_error_strings)GetProcAddress(g_hOpenSSL, "SSL_load_error_strings"))\r
 129                 || !(p_SSL_library_init = (_SSL_library_init)GetProcAddress(g_hOpenSSL, "SSL_library_init"))\r
 130                 || !(p_SSLv23_method = (_SSLv23_method)GetProcAddress(g_hOpenSSL, "SSLv23_method"))\r
 131                 || !(p_SSL_CTX_new = (_SSL_CTX_new)GetProcAddress(g_hOpenSSL, "SSL_CTX_new"))\r
 132                 || !(p_SSL_CTX_free = (_SSL_CTX_free)GetProcAddress(g_hOpenSSL, "SSL_CTX_free"))\r
 133                 || !(p_SSL_new = (_SSL_new)GetProcAddress(g_hOpenSSL, "SSL_new"))\r
 134                 || !(p_SSL_free = (_SSL_free)GetProcAddress(g_hOpenSSL, "SSL_free"))\r
 135                 || !(p_SSL_shutdown = (_SSL_shutdown)GetProcAddress(g_hOpenSSL, "SSL_shutdown"))\r
 136                 || !(p_SSL_get_fd = (_SSL_get_fd)GetProcAddress(g_hOpenSSL, "SSL_get_fd"))\r
 137                 || !(p_SSL_set_fd = (_SSL_set_fd)GetProcAddress(g_hOpenSSL, "SSL_set_fd"))\r
 138                 || !(p_SSL_accept = (_SSL_accept)GetProcAddress(g_hOpenSSL, "SSL_accept"))\r
 139                 || !(p_SSL_connect = (_SSL_connect)GetProcAddress(g_hOpenSSL, "SSL_connect"))\r
 140                 || !(p_SSL_write = (_SSL_write)GetProcAddress(g_hOpenSSL, "SSL_write"))\r
 141                 || !(p_SSL_peek = (_SSL_peek)GetProcAddress(g_hOpenSSL, "SSL_peek"))\r
 142                 || !(p_SSL_read = (_SSL_read)GetProcAddress(g_hOpenSSL, "SSL_read"))\r
 143                 || !(p_SSL_get_error = (_SSL_get_error)GetProcAddress(g_hOpenSSL, "SSL_get_error"))\r
 144                 || !(p_SSL_get_peer_certificate = (_SSL_get_peer_certificate)GetProcAddress(g_hOpenSSL, "SSL_get_peer_certificate"))\r
 145                 || !(p_SSL_get_verify_result = (_SSL_get_verify_result)GetProcAddress(g_hOpenSSL, "SSL_get_verify_result"))\r
 146                 || !(p_SSL_get_session = (_SSL_get_session)GetProcAddress(g_hOpenSSL, "SSL_get_session"))\r
 147                 || !(p_SSL_set_session = (_SSL_set_session)GetProcAddress(g_hOpenSSL, "SSL_set_session"))\r
 148                 || !(p_SSL_CTX_get_cert_store = (_SSL_CTX_get_cert_store)GetProcAddress(g_hOpenSSL, "SSL_CTX_get_cert_store")))\r
 149         {\r
 150                 if(g_hOpenSSL)\r
 151                         FreeLibrary(g_hOpenSSL);\r
 152                 g_hOpenSSL = NULL;\r
 153                 return FALSE;\r
 154         }\r
 155         g_hOpenSSLCommon = LoadLibrary("libeay32.dll");\r
 156         if(!g_hOpenSSLCommon\r
 157                 || !(p_BIO_s_mem = (_BIO_s_mem)GetProcAddress(g_hOpenSSLCommon, "BIO_s_mem"))\r
 158                 || !(p_BIO_new = (_BIO_new)GetProcAddress(g_hOpenSSLCommon, "BIO_new"))\r
 159                 || !(p_BIO_free = (_BIO_free)GetProcAddress(g_hOpenSSLCommon, "BIO_free"))\r
 160                 || !(p_BIO_new_mem_buf = (_BIO_new_mem_buf)GetProcAddress(g_hOpenSSLCommon, "BIO_new_mem_buf"))\r
 161                 || !(p_BIO_ctrl = (_BIO_ctrl)GetProcAddress(g_hOpenSSLCommon, "BIO_ctrl"))\r
 162                 || !(p_X509_free = (_X509_free)GetProcAddress(g_hOpenSSLCommon, "X509_free"))\r
 163                 || !(p_X509_print_ex = (_X509_print_ex)GetProcAddress(g_hOpenSSLCommon, "X509_print_ex"))\r
 164                 || !(p_X509_get_subject_name = (_X509_get_subject_name)GetProcAddress(g_hOpenSSLCommon, "X509_get_subject_name"))\r
 165                 || !(p_X509_NAME_print_ex = (_X509_NAME_print_ex)GetProcAddress(g_hOpenSSLCommon, "X509_NAME_print_ex"))\r
 166                 || !(p_PEM_read_bio_X509 = (_PEM_read_bio_X509)GetProcAddress(g_hOpenSSLCommon, "PEM_read_bio_X509"))\r
 167                 || !(p_X509_STORE_add_cert = (_X509_STORE_add_cert)GetProcAddress(g_hOpenSSLCommon, "X509_STORE_add_cert")))\r
 168         {\r
 169                 if(g_hOpenSSL)\r
 170                         FreeLibrary(g_hOpenSSL);\r
 171                 g_hOpenSSL = NULL;\r
 172                 if(g_hOpenSSLCommon)\r
 173                         FreeLibrary(g_hOpenSSLCommon);\r
 174                 g_hOpenSSLCommon = NULL;\r
 175                 return FALSE;\r
 176         }\r
 177         InitializeCriticalSection(&g_OpenSSLLock);\r
 178         p_SSL_load_error_strings();\r
 179         p_SSL_library_init();\r
 180         SetSSLTimeoutCallback(60000, DefaultSSLTimeoutCallback);\r
 181         SetSSLConfirmCallback(DefaultSSLConfirmCallback);\r
 182         g_bOpenSSLLoaded = TRUE;\r
 183         return TRUE;\r
 184 }\r
 185 \r
 186 // OpenSSLを解放\r
 187 void FreeOpenSSL()\r
 188 {\r
 189         int i;\r
 190         if(!g_bOpenSSLLoaded)\r
 191                 return;\r
 192         EnterCriticalSection(&g_OpenSSLLock);\r
 193         for(i = 0; i < MAX_SSL_SOCKET; i++)\r
 194         {\r
 195                 if(g_pOpenSSLHandle[i])\r
 196                 {\r
 197                         p_SSL_shutdown(g_pOpenSSLHandle[i]);\r
 198                         p_SSL_free(g_pOpenSSLHandle[i]);\r
 199                         g_pOpenSSLHandle[i] = NULL;\r
 200                 }\r
 201         }\r
 202         if(g_pOpenSSLCTX)\r
 203                 p_SSL_CTX_free(g_pOpenSSLCTX);\r
 204         g_pOpenSSLCTX = NULL;\r
 205         FreeLibrary(g_hOpenSSL);\r
 206         g_hOpenSSL = NULL;\r
 207         FreeLibrary(g_hOpenSSLCommon);\r
 208         g_hOpenSSLCommon = NULL;\r
 209         LeaveCriticalSection(&g_OpenSSLLock);\r
 210         DeleteCriticalSection(&g_OpenSSLLock);\r
 211         g_bOpenSSLLoaded = FALSE;\r
 212 }\r
 213 \r
 214 // OpenSSLが使用可能かどうか確認\r
 215 BOOL IsOpenSSLLoaded()\r
 216 {\r
 217         return g_bOpenSSLLoaded;\r
 218 }\r
 219 \r
 220 SSL** GetUnusedSSLPointer()\r
 221 {\r
 222         int i;\r
 223         for(i = 0; i < MAX_SSL_SOCKET; i++)\r
 224         {\r
 225                 if(!g_pOpenSSLHandle[i])\r
 226                         return &g_pOpenSSLHandle[i];\r
 227         }\r
 228         return NULL;\r
 229 }\r
 230 \r
 231 SSL** FindSSLPointerFromSocket(SOCKET s)\r
 232 {\r
 233         int i;\r
 234         for(i = 0; i < MAX_SSL_SOCKET; i++)\r
 235         {\r
 236                 if(g_pOpenSSLHandle[i])\r
 237                 {\r
 238                         if(p_SSL_get_fd(g_pOpenSSLHandle[i]) == s)\r
 239                                 return &g_pOpenSSLHandle[i];\r
 240                 }\r
 241         }\r
 242         return NULL;\r
 243 }\r
 244 \r
 245 BOOL ConfirmSSLCertificate(SSL* pSSL, BOOL* pbAborted)\r
 246 {\r
 247         BOOL bResult;\r
 248         BOOL bVerified;\r
 249         char* pData;\r
 250         char* pSubject;\r
 251         X509* pX509;\r
 252         BIO* pBIO;\r
 253         long Length;\r
 254         char* pBuffer;\r
 255         char* pCN;\r
 256         char* p;\r
 257         bResult = FALSE;\r
 258         bVerified = FALSE;\r
 259         pData = NULL;\r
 260         pSubject = NULL;\r
 261         if(pX509 = p_SSL_get_peer_certificate(pSSL))\r
 262         {\r
 263                 if(pBIO = p_BIO_new(p_BIO_s_mem()))\r
 264                 {\r
 265                         p_X509_print_ex(pBIO, pX509, 0, XN_FLAG_RFC2253);\r
 266                         if((Length = p_BIO_ctrl(pBIO, BIO_CTRL_INFO, 0, &pBuffer)) > 0)\r
 267                         {\r
 268                                 if(pData = (char*)malloc(Length + sizeof(char)))\r
 269                                 {\r
 270                                         memcpy(pData, pBuffer, Length);\r
 271                                         *(char*)((size_t)pData + Length) = '\0';\r
 272                                 }\r
 273                         }\r
 274                         p_BIO_free(pBIO);\r
 275                 }\r
 276                 if(pBIO = p_BIO_new(p_BIO_s_mem()))\r
 277                 {\r
 278                         p_X509_NAME_print_ex(pBIO, p_X509_get_subject_name(pX509), 0, XN_FLAG_RFC2253);\r
 279                         if((Length = p_BIO_ctrl(pBIO, BIO_CTRL_INFO, 0, &pBuffer)) > 0)\r
 280                         {\r
 281                                 if(pSubject = (char*)malloc(Length + sizeof(char)))\r
 282                                 {\r
 283                                         memcpy(pSubject, pBuffer, Length);\r
 284                                         *(char*)((size_t)pSubject + Length) = '\0';\r
 285                                 }\r
 286                         }\r
 287                         p_BIO_free(pBIO);\r
 288                 }\r
 289                 p_X509_free(pX509);\r
 290         }\r
 291         if(pX509 && p_SSL_get_verify_result(pSSL) == X509_V_OK)\r
 292                 bVerified = TRUE;\r
 293         pCN = pSubject;\r
 294         while(pCN)\r
 295         {\r
 296                 if(strncmp(pCN, "CN=", strlen("CN=")) == 0)\r
 297                 {\r
 298                         pCN += strlen("CN=");\r
 299                         if(p = strchr(pCN, ','))\r
 300                                 *p = '\0';\r
 301                         break;\r
 302                 }\r
 303                 if(pCN = strchr(pCN, ','))\r
 304                         pCN++;\r
 305         }\r
 306         bResult = g_pOpenSSLConfirmCallback(pbAborted, bVerified, pData, pCN);\r
 307         if(pData)\r
 308                 free(pData);\r
 309         if(pSubject)\r
 310                 free(pSubject);\r
 311         return bResult;\r
 312 }\r
 313 \r
 314 void SetSSLTimeoutCallback(DWORD Timeout, LPSSLTIMEOUTCALLBACK pCallback)\r
 315 {\r
 316         if(!g_bOpenSSLLoaded)\r
 317                 return;\r
 318         EnterCriticalSection(&g_OpenSSLLock);\r
 319         g_OpenSSLTimeout = Timeout;\r
 320         g_pOpenSSLTimeoutCallback = pCallback;\r
 321         LeaveCriticalSection(&g_OpenSSLLock);\r
 322 }\r
 323 \r
 324 void SetSSLConfirmCallback(LPSSLCONFIRMCALLBACK pCallback)\r
 325 {\r
 326         if(!g_bOpenSSLLoaded)\r
 327                 return;\r
 328         EnterCriticalSection(&g_OpenSSLLock);\r
 329         g_pOpenSSLConfirmCallback = pCallback;\r
 330         LeaveCriticalSection(&g_OpenSSLLock);\r
 331 }\r
 332 \r
 333 // SSLルート証明書を設定\r
 334 // PEM形式のみ指定可能\r
 335 BOOL SetSSLRootCertificate(const void* pData, DWORD Length)\r
 336 {\r
 337         BOOL r;\r
 338         X509_STORE* pStore;\r
 339         BYTE* p;\r
 340         BYTE* pBegin;\r
 341         BYTE* pEnd;\r
 342         BIO* pBIO;\r
 343         X509* pX509;\r
 344         if(!g_bOpenSSLLoaded)\r
 345                 return FALSE;\r
 346         r = FALSE;\r
 347         EnterCriticalSection(&g_OpenSSLLock);\r
 348         if(!g_pOpenSSLCTX)\r
 349                 g_pOpenSSLCTX = p_SSL_CTX_new(p_SSLv23_method());\r
 350         if(g_pOpenSSLCTX)\r
 351         {\r
 352                 if(pStore = p_SSL_CTX_get_cert_store(g_pOpenSSLCTX))\r
 353                 {\r
 354                         p = (BYTE*)pData;\r
 355                         pBegin = NULL;\r
 356                         pEnd = NULL;\r
 357                         while(Length > 0)\r
 358                         {\r
 359                                 if(!pBegin)\r
 360                                 {\r
 361                                         if(Length < 27)\r
 362                                                 break;\r
 363                                         if(memcmp(p, "-----BEGIN CERTIFICATE-----", 27) == 0)\r
 364                                                 pBegin = p;\r
 365                                 }\r
 366                                 else if(!pEnd)\r
 367                                 {\r
 368                                         if(Length < 25)\r
 369                                                 break;\r
 370                                         if(memcmp(p, "-----END CERTIFICATE-----", 25) == 0)\r
 371                                                 pEnd = p + 25;\r
 372                                 }\r
 373                                 if(pBegin && pEnd)\r
 374                                 {\r
 375                                         if(pBIO = p_BIO_new_mem_buf(pBegin, (int)((size_t)pEnd - (size_t)pBegin)))\r
 376                                         {\r
 377                                                 if(pX509 = p_PEM_read_bio_X509(pBIO, NULL, NULL, NULL))\r
 378                                                 {\r
 379                                                         if(p_X509_STORE_add_cert(pStore, pX509) == 1)\r
 380                                                                 r = TRUE;\r
 381                                                         p_X509_free(pX509);\r
 382                                                 }\r
 383                                                 p_BIO_free(pBIO);\r
 384                                         }\r
 385                                         pBegin = NULL;\r
 386                                         pEnd = NULL;\r
 387                                 }\r
 388                                 p++;\r
 389                                 Length--;\r
 390                         }\r
 391                 }\r
 392         }\r
 393         LeaveCriticalSection(&g_OpenSSLLock);\r
 394         return r;\r
 395 }\r
 396 \r
 397 // ワイルドカードの比較\r
 398 // 主にSSL証明書のCN確認用\r
 399 BOOL IsHostNameMatched(LPCSTR HostName, LPCSTR CommonName)\r
 400 {\r
 401         BOOL bResult;\r
 402         const char* pAsterisk;\r
 403         size_t BeforeAsterisk;\r
 404         const char* pBeginAsterisk;\r
 405         const char* pEndAsterisk;\r
 406         const char* pDot;\r
 407         bResult = FALSE;\r
 408         if(HostName && CommonName)\r
 409         {\r
 410                 if(pAsterisk = strchr(CommonName, '*'))\r
 411                 {\r
 412                         BeforeAsterisk = ((size_t)pAsterisk - (size_t)CommonName) / sizeof(char);\r
 413                         pBeginAsterisk = HostName + BeforeAsterisk;\r
 414                         while(*pAsterisk == '*')\r
 415                         {\r
 416                                 pAsterisk++;\r
 417                         }\r
 418                         pEndAsterisk = HostName + strlen(HostName) - strlen(pAsterisk);\r
 419                         // "*"より前は大文字小文字を無視して完全一致\r
 420                         if(_strnicmp(HostName, CommonName, BeforeAsterisk) == 0)\r
 421                         {\r
 422                                 // "*"より後は大文字小文字を無視して完全一致\r
 423                                 if(_stricmp(pEndAsterisk, pAsterisk) == 0)\r
 424                                 {\r
 425                                         // "*"と一致する範囲に"."が含まれてはならない\r
 426                                         pDot = strchr(pBeginAsterisk, '.');\r
 427                                         if(!pDot || pDot >= pEndAsterisk)\r
 428                                                 bResult = TRUE;\r
 429                                 }\r
 430                         }\r
 431                 }\r
 432                 else if(_stricmp(HostName, CommonName) == 0)\r
 433                         bResult = TRUE;\r
 434         }\r
 435         return bResult;\r
 436 }\r
 437 \r
 438 // SSLセッションを開始\r
 439 BOOL AttachSSL(SOCKET s, SOCKET parent, BOOL* pbAborted)\r
 440 {\r
 441         BOOL r;\r
 442         DWORD Time;\r
 443         SSL** ppSSL;\r
 444         SSL** ppSSLParent;\r
 445         SSL_SESSION* pSession;\r
 446         int Return;\r
 447         int Error;\r
 448         if(!g_bOpenSSLLoaded)\r
 449                 return FALSE;\r
 450         r = FALSE;\r
 451         Time = timeGetTime();\r
 452         EnterCriticalSection(&g_OpenSSLLock);\r
 453         if(!g_pOpenSSLCTX)\r
 454                 g_pOpenSSLCTX = p_SSL_CTX_new(p_SSLv23_method());\r
 455         if(g_pOpenSSLCTX)\r
 456         {\r
 457                 if(ppSSL = GetUnusedSSLPointer())\r
 458                 {\r
 459                         if(*ppSSL = p_SSL_new(g_pOpenSSLCTX))\r
 460                         {\r
 461                                 if(p_SSL_set_fd(*ppSSL, s) != 0)\r
 462                                 {\r
 463                                         if(parent != INVALID_SOCKET)\r
 464                                         {\r
 465                                                 if(ppSSLParent = FindSSLPointerFromSocket(parent))\r
 466                                                 {\r
 467                                                         if(pSession = p_SSL_get_session(*ppSSLParent))\r
 468                                                         {\r
 469                                                                 if(p_SSL_set_session(*ppSSL, pSession) == 1)\r
 470                                                                 {\r
 471                                                                 }\r
 472                                                         }\r
 473                                                 }\r
 474                                         }\r
 475                                         // SSLのネゴシエーションには時間がかかる場合がある\r
 476                                         r = TRUE;\r
 477                                         while(r)\r
 478                                         {\r
 479                                                 Return = p_SSL_connect(*ppSSL);\r
 480                                                 if(Return == 1)\r
 481                                                         break;\r
 482                                                 Error = p_SSL_get_error(*ppSSL, Return);\r
 483                                                 if(Error == SSL_ERROR_WANT_READ || Error == SSL_ERROR_WANT_WRITE)\r
 484                                                 {\r
 485                                                         LeaveCriticalSection(&g_OpenSSLLock);\r
 486                                                         if(g_pOpenSSLTimeoutCallback(pbAborted) || (g_OpenSSLTimeout > 0 && timeGetTime() - Time >= g_OpenSSLTimeout))\r
 487                                                                 r = FALSE;\r
 488                                                         EnterCriticalSection(&g_OpenSSLLock);\r
 489                                                 }\r
 490                                                 else\r
 491                                                         r = FALSE;\r
 492                                         }\r
 493                                         if(r)\r
 494                                         {\r
 495                                                 if(ConfirmSSLCertificate(*ppSSL, pbAborted))\r
 496                                                 {\r
 497                                                 }\r
 498                                                 else\r
 499                                                 {\r
 500                                                         LeaveCriticalSection(&g_OpenSSLLock);\r
 501                                                         DetachSSL(s);\r
 502                                                         r = FALSE;\r
 503                                                         EnterCriticalSection(&g_OpenSSLLock);\r
 504                                                 }\r
 505                                         }\r
 506                                         else\r
 507                                         {\r
 508                                                 LeaveCriticalSection(&g_OpenSSLLock);\r
 509                                                 DetachSSL(s);\r
 510                                                 EnterCriticalSection(&g_OpenSSLLock);\r
 511                                         }\r
 512                                 }\r
 513                                 else\r
 514                                 {\r
 515                                         LeaveCriticalSection(&g_OpenSSLLock);\r
 516                                         DetachSSL(s);\r
 517                                         EnterCriticalSection(&g_OpenSSLLock);\r
 518                                 }\r
 519                         }\r
 520                 }\r
 521         }\r
 522         LeaveCriticalSection(&g_OpenSSLLock);\r
 523         return r;\r
 524 }\r
 525 \r
 526 // SSLセッションを終了\r
 527 BOOL DetachSSL(SOCKET s)\r
 528 {\r
 529         BOOL r;\r
 530         SSL** ppSSL;\r
 531         if(!g_bOpenSSLLoaded)\r
 532                 return FALSE;\r
 533         r = FALSE;\r
 534         EnterCriticalSection(&g_OpenSSLLock);\r
 535         if(ppSSL = FindSSLPointerFromSocket(s))\r
 536         {\r
 537                 p_SSL_shutdown(*ppSSL);\r
 538                 p_SSL_free(*ppSSL);\r
 539                 *ppSSL = NULL;\r
 540                 r = TRUE;\r
 541         }\r
 542         LeaveCriticalSection(&g_OpenSSLLock);\r
 543         return r;\r
 544 }\r
 545 \r
 546 // SSLとしてマークされているか確認\r
 547 // マークされていればTRUEを返す\r
 548 BOOL IsSSLAttached(SOCKET s)\r
 549 {\r
 550         SSL** ppSSL;\r
 551         if(!g_bOpenSSLLoaded)\r
 552                 return FALSE;\r
 553         EnterCriticalSection(&g_OpenSSLLock);\r
 554         ppSSL = FindSSLPointerFromSocket(s);\r
 555         LeaveCriticalSection(&g_OpenSSLLock);\r
 556         if(!ppSSL)\r
 557                 return FALSE;\r
 558         return TRUE;\r
 559 }\r
 560 \r
 561 SOCKET FTPS_socket(int af, int type, int protocol)\r
 562 {\r
 563         return socket(af, type, protocol);\r
 564 }\r
 565 \r
 566 int FTPS_bind(SOCKET s, const struct sockaddr *addr, int namelen)\r
 567 {\r
 568         return bind(s, addr, namelen);\r
 569 }\r
 570 \r
 571 int FTPS_listen(SOCKET s, int backlog)\r
 572 {\r
 573         return listen(s, backlog);\r
 574 }\r
 575 \r
 576 // accept相当の関数\r
 577 // ただし初めからSSLのネゴシエーションを行う\r
 578 SOCKET FTPS_accept(SOCKET s, struct sockaddr *addr, int *addrlen)\r
 579 {\r
 580         SOCKET r;\r
 581         BOOL bAborted;\r
 582         r = accept(s, addr, addrlen);\r
 583         bAborted = FALSE;\r
 584         if(!AttachSSL(r, INVALID_SOCKET, &bAborted))\r
 585         {\r
 586                 closesocket(r);\r
 587                 return INVALID_SOCKET;\r
 588         }\r
 589         return r;\r
 590 }\r
 591 \r
 592 // connect相当の関数\r
 593 // ただし初めからSSLのネゴシエーションを行う\r
 594 int FTPS_connect(SOCKET s, const struct sockaddr *name, int namelen)\r
 595 {\r
 596         int r;\r
 597         BOOL bAborted;\r
 598         r = connect(s, name, namelen);\r
 599         bAborted = FALSE;\r
 600         if(!AttachSSL(r, INVALID_SOCKET, &bAborted))\r
 601                 return SOCKET_ERROR;\r
 602         return r;\r
 603 }\r
 604 \r
 605 // closesocket相当の関数\r
 606 int FTPS_closesocket(SOCKET s)\r
 607 {\r
 608         DetachSSL(s);\r
 609         return closesocket(s);\r
 610 }\r
 611 \r
 612 // send相当の関数\r
 613 int FTPS_send(SOCKET s, const char * buf, int len, int flags)\r
 614 {\r
 615         SSL** ppSSL;\r
 616         if(!g_bOpenSSLLoaded)\r
 617                 return send(s, buf, len, flags);\r
 618         EnterCriticalSection(&g_OpenSSLLock);\r
 619         ppSSL = FindSSLPointerFromSocket(s);\r
 620         LeaveCriticalSection(&g_OpenSSLLock);\r
 621         if(!ppSSL)\r
 622                 return send(s, buf, len, flags);\r
 623         return p_SSL_write(*ppSSL, buf, len);\r
 624 }\r
 625 \r
 626 // recv相当の関数\r
 627 int FTPS_recv(SOCKET s, char * buf, int len, int flags)\r
 628 {\r
 629         SSL** ppSSL;\r
 630         if(!g_bOpenSSLLoaded)\r
 631                 return recv(s, buf, len, flags);\r
 632         EnterCriticalSection(&g_OpenSSLLock);\r
 633         ppSSL = FindSSLPointerFromSocket(s);\r
 634         LeaveCriticalSection(&g_OpenSSLLock);\r
 635         if(!ppSSL)\r
 636                 return recv(s, buf, len, flags);\r
 637         if(flags & MSG_PEEK)\r
 638                 return p_SSL_peek(*ppSSL, buf, len);\r
 639         return p_SSL_read(*ppSSL, buf, len);\r
 640 }\r
 641 \r
 642 // IPv6対応\r
 643 \r
 644 const struct in6_addr IN6ADDR_NONE = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};\r
 645 \r
 646 typedef struct\r
 647 {\r
 648         HANDLE h;\r
 649         HWND hWnd;\r
 650         u_int wMsg;\r
 651         char * name;\r
 652         char * buf;\r
 653         int buflen;\r
 654         short Family;\r
 655 } GETHOSTBYNAMEDATA;\r
 656 \r
 657 DWORD WINAPI WSAAsyncGetHostByNameIPv6ThreadProc(LPVOID lpParameter)\r
 658 {\r
 659         GETHOSTBYNAMEDATA* pData;\r
 660         struct hostent* pHost;\r
 661         struct addrinfo* pAddr;\r
 662         struct addrinfo* p;\r
 663         pHost = NULL;\r
 664         pData = (GETHOSTBYNAMEDATA*)lpParameter;\r
 665         if(getaddrinfo(pData->name, NULL, NULL, &pAddr) == 0)\r
 666         {\r
 667                 p = pAddr;\r
 668                 while(p)\r
 669                 {\r
 670                         if(p->ai_family == pData->Family)\r
 671                         {\r
 672                                 switch(p->ai_family)\r
 673                                 {\r
 674                                 case AF_INET:\r
 675                                         pHost = (struct hostent*)pData->buf;\r
 676                                         if((size_t)pData->buflen >= sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in_addr)\r
 677                                                 && p->ai_addrlen >= sizeof(struct sockaddr_in))\r
 678                                         {\r
 679                                                 pHost->h_name = NULL;\r
 680                                                 pHost->h_aliases = NULL;\r
 681                                                 pHost->h_addrtype = p->ai_family;\r
 682                                                 pHost->h_length = sizeof(struct in_addr);\r
 683                                                 pHost->h_addr_list = (char**)(&pHost[1]);\r
 684                                                 pHost->h_addr_list[0] = (char*)(&pHost->h_addr_list[2]);\r
 685                                                 pHost->h_addr_list[1] = NULL;\r
 686                                                 memcpy(pHost->h_addr_list[0], &((struct sockaddr_in*)p->ai_addr)->sin_addr, sizeof(struct in_addr));\r
 687                                                 PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in_addr)));\r
 688                                         }\r
 689                                         else\r
 690                                                 PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(WSAENOBUFS << 16));\r
 691                                         break;\r
 692                                 case AF_INET6:\r
 693                                         pHost = (struct hostent*)pData->buf;\r
 694                                         if((size_t)pData->buflen >= sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in6_addr)\r
 695                                                 && p->ai_addrlen >= sizeof(struct sockaddr_in6))\r
 696                                         {\r
 697                                                 pHost->h_name = NULL;\r
 698                                                 pHost->h_aliases = NULL;\r
 699                                                 pHost->h_addrtype = p->ai_family;\r
 700                                                 pHost->h_length = sizeof(struct in6_addr);\r
 701                                                 pHost->h_addr_list = (char**)(&pHost[1]);\r
 702                                                 pHost->h_addr_list[0] = (char*)(&pHost->h_addr_list[2]);\r
 703                                                 pHost->h_addr_list[1] = NULL;\r
 704                                                 memcpy(pHost->h_addr_list[0], &((struct sockaddr_in6*)p->ai_addr)->sin6_addr, sizeof(struct in6_addr));\r
 705                                                 PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in6_addr)));\r
 706                                         }\r
 707                                         else\r
 708                                                 PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(WSAENOBUFS << 16));\r
 709                                         break;\r
 710                                 }\r
 711                         }\r
 712                         if(pHost)\r
 713                                 break;\r
 714                         p = p->ai_next;\r
 715                 }\r
 716                 if(!p)\r
 717                         PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(ERROR_INVALID_FUNCTION << 16));\r
 718                 freeaddrinfo(pAddr);\r
 719         }\r
 720         else\r
 721                 PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(ERROR_INVALID_FUNCTION << 16));\r
 722         // CreateThreadが返すハンドルが重複するのを回避\r
 723         Sleep(10000);\r
 724         CloseHandle(pData->h);\r
 725         free(pData->name);\r
 726         free(pData);\r
 727         return 0;\r
 728 }\r
 729 \r
 730 // IPv6対応のWSAAsyncGetHostByName相当の関数\r
 731 // FamilyにはAF_INETまたはAF_INET6を指定可能\r
 732 // ただしANSI用\r
 733 HANDLE WSAAsyncGetHostByNameIPv6(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen, short Family)\r
 734 {\r
 735         HANDLE hResult;\r
 736         GETHOSTBYNAMEDATA* pData;\r
 737         hResult = NULL;\r
 738         if(pData = malloc(sizeof(GETHOSTBYNAMEDATA)))\r
 739         {\r
 740                 pData->hWnd = hWnd;\r
 741                 pData->wMsg = wMsg;\r
 742                 if(pData->name = malloc(sizeof(char) * (strlen(name) + 1)))\r
 743                 {\r
 744                         strcpy(pData->name, name);\r
 745                         pData->buf = buf;\r
 746                         pData->buflen = buflen;\r
 747                         pData->Family = Family;\r
 748                         if(pData->h = CreateThread(NULL, 0, WSAAsyncGetHostByNameIPv6ThreadProc, pData, CREATE_SUSPENDED, NULL))\r
 749                         {\r
 750                                 ResumeThread(pData->h);\r
 751                                 hResult = pData->h;\r
 752                         }\r
 753                 }\r
 754         }\r
 755         if(!hResult)\r
 756         {\r
 757                 if(pData)\r
 758                 {\r
 759                         if(pData->name)\r
 760                                 free(pData->name);\r
 761                         free(pData);\r
 762                 }\r
 763         }\r
 764         return hResult;\r
 765 }\r
 766 \r
 767 // WSAAsyncGetHostByNameIPv6用のWSACancelAsyncRequest相当の関数\r
 768 int WSACancelAsyncRequestIPv6(HANDLE hAsyncTaskHandle)\r
 769 {\r
 770         int Result;\r
 771         Result = SOCKET_ERROR;\r
 772         if(TerminateThread(hAsyncTaskHandle, 0))\r
 773         {\r
 774                 CloseHandle(hAsyncTaskHandle);\r
 775                 Result = 0;\r
 776         }\r
 777         return Result;\r
 778 }\r
 779 \r
 780 char* AddressToStringIPv6(char* str, void* in6)\r
 781 {\r
 782         char* pResult;\r
 783         unsigned char* p;\r
 784         int MaxZero;\r
 785         int MaxZeroLen;\r
 786         int i;\r
 787         int j;\r
 788         char Tmp[5];\r
 789         pResult = str;\r
 790         p = (unsigned char*)in6;\r
 791         MaxZero = 8;\r
 792         MaxZeroLen = 1;\r
 793         for(i = 0; i < 8; i++)\r
 794         {\r
 795                 for(j = i; j < 8; j++)\r
 796                 {\r
 797                         if(p[j * 2] != 0 || p[j * 2 + 1] != 0)\r
 798                                 break;\r
 799                 }\r
 800                 if(j - i > MaxZeroLen)\r
 801                 {\r
 802                         MaxZero = i;\r
 803                         MaxZeroLen = j - i;\r
 804                 }\r
 805         }\r
 806         strcpy(str, "");\r
 807         for(i = 0; i < 8; i++)\r
 808         {\r
 809                 if(i == MaxZero)\r
 810                 {\r
 811                         if(i == 0)\r
 812                                 strcat(str, ":");\r
 813                         strcat(str, ":");\r
 814                 }\r
 815                 else if(i < MaxZero || i >= MaxZero + MaxZeroLen)\r
 816                 {\r
 817                         sprintf(Tmp, "%x", (((int)p[i * 2] & 0xff) << 8) | ((int)p[i * 2 + 1] & 0xff));\r
 818                         strcat(str, Tmp);\r
 819                         if(i < 7)\r
 820                                 strcat(str, ":");\r
 821                 }\r
 822         }\r
 823         return pResult;\r
 824 }\r
 825 \r
 826 // IPv6対応のinet_ntoa相当の関数\r
 827 // ただしANSI用\r
 828 char* inet6_ntoa(struct in6_addr in6)\r
 829 {\r
 830         char* pResult;\r
 831         static char Adrs[40];\r
 832         pResult = NULL;\r
 833         memset(Adrs, 0, sizeof(Adrs));\r
 834         pResult = AddressToStringIPv6(Adrs, &in6);\r
 835         return pResult;\r
 836 }\r
 837 \r
 838 // IPv6対応のinet_addr相当の関数\r
 839 // ただしANSI用\r
 840 struct in6_addr inet6_addr(const char* cp)\r
 841 {\r
 842         struct in6_addr Result;\r
 843         int AfterZero;\r
 844         int i;\r
 845         char* p;\r
 846         memset(&Result, 0, sizeof(Result));\r
 847         AfterZero = 0;\r
 848         for(i = 0; i < 8; i++)\r
 849         {\r
 850                 if(!cp)\r
 851                 {\r
 852                         memcpy(&Result, &IN6ADDR_NONE, sizeof(struct in6_addr));\r
 853                         break;\r
 854                 }\r
 855                 if(i >= AfterZero)\r
 856                 {\r
 857                         if(strncmp(cp, ":", 1) == 0)\r
 858                         {\r
 859                                 cp = cp + 1;\r
 860                                 if(i == 0 && strncmp(cp, ":", 1) == 0)\r
 861                                         cp = cp + 1;\r
 862                                 p = (char*)cp;\r
 863                                 AfterZero = 7;\r
 864                                 while(p = strstr(p, ":"))\r
 865                                 {\r
 866                                         p = p + 1;\r
 867                                         AfterZero--;\r
 868                                 }\r
 869                         }\r
 870                         else\r
 871                         {\r
 872                                 Result.u.Word[i] = (USHORT)strtol(cp, &p, 16);\r
 873                                 Result.u.Word[i] = ((Result.u.Word[i] & 0xff00) >> 8) | ((Result.u.Word[i] & 0x00ff) << 8);\r
 874                                 if(strncmp(p, ":", 1) != 0 && strlen(p) > 0)\r
 875                                 {\r
 876                                         memcpy(&Result, &IN6ADDR_NONE, sizeof(struct in6_addr));\r
 877                                         break;\r
 878                                 }\r
 879                                 if(cp = strstr(cp, ":"))\r
 880                                         cp = cp + 1;\r
 881                         }\r
 882                 }\r
 883         }\r
 884         return Result;\r
 885 }\r
 886 \r
 887 BOOL ConvertDomainNameToPunycode(LPSTR Output, DWORD Count, LPCSTR Input)\r
 888 {\r
 889         BOOL bResult;\r
 890         punycode_uint* pUnicode;\r
 891         punycode_uint* p;\r
 892         BOOL bNeeded;\r
 893         LPCSTR InputString;\r
 894         punycode_uint Length;\r
 895         punycode_uint OutputLength;\r
 896         bResult = FALSE;\r
 897         if(pUnicode = malloc(sizeof(punycode_uint) * strlen(Input)))\r
 898         {\r
 899                 p = pUnicode;\r
 900                 bNeeded = FALSE;\r
 901                 InputString = Input;\r
 902                 Length = 0;\r
 903                 while(*InputString != '\0')\r
 904                 {\r
 905                         *p = (punycode_uint)GetNextCharM(InputString, &InputString);\r
 906                         if(*p >= 0x80)\r
 907                                 bNeeded = TRUE;\r
 908                         p++;\r
 909                         Length++;\r
 910                 }\r
 911                 if(bNeeded)\r
 912                 {\r
 913                         if(Count >= strlen("xn--") + 1)\r
 914                         {\r
 915                                 strcpy(Output, "xn--");\r
 916                                 OutputLength = Count - strlen("xn--");\r
 917                                 if(punycode_encode(Length, pUnicode, NULL, (punycode_uint*)&OutputLength, Output + strlen("xn--")) == punycode_success)\r
 918                                 {\r
 919                                         Output[strlen("xn--") + OutputLength] = '\0';\r
 920                                         bResult = TRUE;\r
 921                                 }\r
 922                         }\r
 923                 }\r
 924                 free(pUnicode);\r
 925         }\r
 926         if(!bResult)\r
 927         {\r
 928                 if(Count >= strlen(Input) + 1)\r
 929                 {\r
 930                         strcpy(Output, Input);\r
 931                         bResult = TRUE;\r
 932                 }\r
 933         }\r
 934         return bResult;\r
 935 }\r
 936 \r
 937 BOOL ConvertNameToPunycode(LPSTR Output, LPCSTR Input)\r
 938 {\r
 939         BOOL bResult;\r
 940         DWORD Length;\r
 941         char* pm0;\r
 942         char* pm1;\r
 943         char* p;\r
 944         char* pNext;\r
 945         bResult = FALSE;\r
 946         Length = strlen(Input);\r
 947         if(pm0 = AllocateStringM(Length + 1))\r
 948         {\r
 949                 if(pm1 = AllocateStringM(Length * 4 + 1))\r
 950                 {\r
 951                         strcpy(pm0, Input);\r
 952                         p = pm0;\r
 953                         while(p)\r
 954                         {\r
 955                                 if(pNext = strchr(p, '.'))\r
 956                                 {\r
 957                                         *pNext = '\0';\r
 958                                         pNext++;\r
 959                                 }\r
 960                                 if(ConvertDomainNameToPunycode(pm1, Length * 4, p))\r
 961                                         strcat(Output, pm1);\r
 962                                 if(pNext)\r
 963                                         strcat(Output, ".");\r
 964                                 p = pNext;\r
 965                         }\r
 966                         bResult = TRUE;\r
 967                         FreeDuplicatedString(pm1);\r
 968                 }\r
 969                 FreeDuplicatedString(pm0);\r
 970         }\r
 971         return bResult;\r
 972 }\r
 973 \r
 974 HANDLE WSAAsyncGetHostByNameM(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen)\r
 975 {\r
 976         HANDLE r = NULL;\r
 977         char* pa0 = NULL;\r
 978         if(pa0 = AllocateStringA(strlen(name) * 4))\r
 979         {\r
 980                 if(ConvertNameToPunycode(pa0, name))\r
 981                         r = WSAAsyncGetHostByName(hWnd, wMsg, pa0, buf, buflen);\r
 982         }\r
 983         FreeDuplicatedString(pa0);\r
 984         return r;\r
 985 }\r
 986 \r
 987 HANDLE WSAAsyncGetHostByNameIPv6M(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen, short Family)\r
 988 {\r
 989         HANDLE r = NULL;\r
 990         char* pa0 = NULL;\r
 991         if(pa0 = AllocateStringA(strlen(name) * 4))\r
 992         {\r
 993                 if(ConvertNameToPunycode(pa0, name))\r
 994                         r = WSAAsyncGetHostByNameIPv6(hWnd, wMsg, pa0, buf, buflen, Family);\r
 995         }\r
 996         FreeDuplicatedString(pa0);\r
 997         return r;\r
 998 }\r
 999 \r