+// IPv6対応\r
+\r
+typedef struct\r
+{\r
+ HANDLE h;\r
+ HWND hWnd;\r
+ u_int wMsg;\r
+ char * name;\r
+ char * buf;\r
+ int buflen;\r
+ short Family;\r
+} GETHOSTBYNAMEDATA;\r
+\r
+static DWORD WINAPI WSAAsyncGetHostByNameIPv6ThreadProc(LPVOID lpParameter)\r
+{\r
+ GETHOSTBYNAMEDATA* pData;\r
+ struct hostent* pHost;\r
+ struct addrinfo* pAddr;\r
+ struct addrinfo* p;\r
+ pHost = NULL;\r
+ pData = (GETHOSTBYNAMEDATA*)lpParameter;\r
+ if(getaddrinfo(pData->name, NULL, NULL, &pAddr) == 0)\r
+ {\r
+ p = pAddr;\r
+ while(p)\r
+ {\r
+ if(p->ai_family == pData->Family)\r
+ {\r
+ switch(p->ai_family)\r
+ {\r
+ case AF_INET:\r
+ pHost = (struct hostent*)pData->buf;\r
+ if((size_t)pData->buflen >= sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in_addr)\r
+ && p->ai_addrlen >= sizeof(struct sockaddr_in))\r
+ {\r
+ pHost->h_name = NULL;\r
+ pHost->h_aliases = NULL;\r
+ pHost->h_addrtype = p->ai_family;\r
+ pHost->h_length = sizeof(struct in_addr);\r
+ pHost->h_addr_list = (char**)(&pHost[1]);\r
+ pHost->h_addr_list[0] = (char*)(&pHost->h_addr_list[2]);\r
+ pHost->h_addr_list[1] = NULL;\r
+ memcpy(pHost->h_addr_list[0], &((struct sockaddr_in*)p->ai_addr)->sin_addr, sizeof(struct in_addr));\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(sizeof(struct hostent) + sizeof(char*) * 2 + p->ai_addrlen));\r
+ }\r
+ else\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(WSAENOBUFS << 16));\r
+ break;\r
+ case AF_INET6:\r
+ pHost = (struct hostent*)pData->buf;\r
+ if((size_t)pData->buflen >= sizeof(struct hostent) + sizeof(char*) * 2 + sizeof(struct in6_addr)\r
+ && p->ai_addrlen >= sizeof(struct sockaddr_in6))\r
+ {\r
+ pHost->h_name = NULL;\r
+ pHost->h_aliases = NULL;\r
+ pHost->h_addrtype = p->ai_family;\r
+ pHost->h_length = sizeof(struct in6_addr);\r
+ pHost->h_addr_list = (char**)(&pHost[1]);\r
+ pHost->h_addr_list[0] = (char*)(&pHost->h_addr_list[2]);\r
+ pHost->h_addr_list[1] = NULL;\r
+ memcpy(pHost->h_addr_list[0], &((struct sockaddr_in6*)p->ai_addr)->sin6_addr, sizeof(struct in6_addr));\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(sizeof(struct hostent) + sizeof(char*) * 2 + p->ai_addrlen));\r
+ }\r
+ else\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(WSAENOBUFS << 16));\r
+ break;\r
+ }\r
+ }\r
+ if(pHost)\r
+ break;\r
+ p = p->ai_next;\r
+ }\r
+ if(!p)\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(ERROR_INVALID_FUNCTION << 16));\r
+ freeaddrinfo(pAddr);\r
+ }\r
+ else\r
+ PostMessage(pData->hWnd, pData->wMsg, (WPARAM)pData->h, (LPARAM)(ERROR_INVALID_FUNCTION << 16));\r
+ free(pData->name);\r
+ free(pData);\r
+ // CreateThreadが返すハンドルが重複するのを回避\r
+ Sleep(10000);\r
+ return 0;\r
+}\r
+\r
+// IPv6対応のWSAAsyncGetHostByName相当の関数\r
+// FamilyにはAF_INETまたはAF_INET6を指定可能\r
+// ただしANSI用\r
+static HANDLE WSAAsyncGetHostByNameIPv6(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen, short Family)\r
+{\r
+ HANDLE hResult;\r
+ GETHOSTBYNAMEDATA* pData;\r
+ hResult = NULL;\r
+ if(pData = malloc(sizeof(GETHOSTBYNAMEDATA)))\r
+ {\r
+ pData->hWnd = hWnd;\r
+ pData->wMsg = wMsg;\r
+ if(pData->name = malloc(sizeof(char) * (strlen(name) + 1)))\r
+ {\r
+ strcpy(pData->name, name);\r
+ pData->buf = buf;\r
+ pData->buflen = buflen;\r
+ pData->Family = Family;\r
+ if(pData->h = CreateThread(NULL, 0, WSAAsyncGetHostByNameIPv6ThreadProc, pData, CREATE_SUSPENDED, NULL))\r
+ {\r
+ ResumeThread(pData->h);\r
+ hResult = pData->h;\r
+ }\r
+ }\r
+ }\r
+ if(!hResult)\r
+ {\r
+ if(pData)\r
+ {\r
+ if(pData->name)\r
+ free(pData->name);\r
+ free(pData);\r
+ }\r
+ }\r
+ return hResult;\r
+}\r
+\r
+// WSAAsyncGetHostByNameIPv6用のWSACancelAsyncRequest相当の関数\r
+int WSACancelAsyncRequestIPv6(HANDLE hAsyncTaskHandle)\r
+{\r
+ int Result;\r
+ Result = SOCKET_ERROR;\r
+ if(TerminateThread(hAsyncTaskHandle, 0))\r
+ Result = 0;\r
+ return Result;\r
+}\r
+\r
+char* AddressToStringIPv6(char* str, void* in6)\r
+{\r
+ char* pResult;\r
+ unsigned char* p;\r
+ int MaxZero;\r
+ int MaxZeroLen;\r
+ int i;\r
+ int j;\r
+ char Tmp[5];\r
+ pResult = str;\r
+ p = (unsigned char*)in6;\r
+ MaxZero = 8;\r
+ MaxZeroLen = 1;\r
+ for(i = 0; i < 8; i++)\r
+ {\r
+ for(j = i; j < 8; j++)\r
+ {\r
+ if(p[j * 2] != 0 || p[j * 2 + 1] != 0)\r
+ break;\r
+ }\r
+ if(j - i > MaxZeroLen)\r
+ {\r
+ MaxZero = i;\r
+ MaxZeroLen = j - i;\r
+ }\r
+ }\r
+ strcpy(str, "");\r
+ for(i = 0; i < 8; i++)\r
+ {\r
+ if(i == MaxZero)\r
+ {\r
+ if(i == 0)\r
+ strcat(str, ":");\r
+ strcat(str, ":");\r
+ }\r
+ else if(i < MaxZero || i >= MaxZero + MaxZeroLen)\r
+ {\r
+ sprintf(Tmp, "%x", (((int)p[i * 2] & 0xff) << 8) | ((int)p[i * 2 + 1] & 0xff));\r
+ strcat(str, Tmp);\r
+ if(i < 7)\r
+ strcat(str, ":");\r
+ }\r
+ }\r
+ return pResult;\r
+}\r
+\r
+// IPv6対応のinet_ntoa相当の関数\r
+// ただしANSI用\r
+char* inet6_ntoa(struct in6_addr in6)\r
+{\r
+ char* pResult;\r
+ static char Adrs[40];\r
+ pResult = NULL;\r
+ memset(Adrs, 0, sizeof(Adrs));\r
+ pResult = AddressToStringIPv6(Adrs, &in6);\r
+ return pResult;\r
+}\r
+\r
+// IPv6対応のinet_addr相当の関数\r
+// ただしANSI用\r
+struct in6_addr inet6_addr(const char* cp)\r
+{\r
+ struct in6_addr Result;\r
+ int AfterZero;\r
+ int i;\r
+ char* p;\r
+ memset(&Result, 0, sizeof(Result));\r
+ AfterZero = 0;\r
+ for(i = 0; i < 8; i++)\r
+ {\r
+ if(!cp)\r
+ {\r
+ memset(&Result, 0xff, sizeof(Result));\r
+ break;\r
+ }\r
+ if(i >= AfterZero)\r
+ {\r
+ if(strncmp(cp, ":", 1) == 0)\r
+ {\r
+ cp = cp + 1;\r
+ if(i == 0 && strncmp(cp, ":", 1) == 0)\r
+ cp = cp + 1;\r
+ p = (char*)cp;\r
+ AfterZero = 7;\r
+ while(p = strstr(p, ":"))\r
+ {\r
+ p = p + 1;\r
+ AfterZero--;\r
+ }\r
+ }\r
+ else\r
+ {\r
+ Result.u.Word[i] = (USHORT)strtol(cp, &p, 16);\r
+ Result.u.Word[i] = ((Result.u.Word[i] & 0xff00) >> 8) | ((Result.u.Word[i] & 0x00ff) << 8);\r
+ if(strncmp(p, ":", 1) != 0 && strlen(p) > 0)\r
+ {\r
+ memset(&Result, 0xff, sizeof(Result));\r
+ break;\r
+ }\r
+ if(cp = strstr(cp, ":"))\r
+ cp = cp + 1;\r
+ }\r
+ }\r
+ }\r
+ return Result;\r
+}\r
+\r
+// UTF-8対応\r
+\r
+static BOOL ConvertStringToPunycode(LPSTR Output, DWORD Count, LPCSTR Input)\r
+{\r
+ BOOL bResult;\r
+ punycode_uint* pUnicode;\r
+ punycode_uint* p;\r
+ BOOL bNeeded;\r
+ LPCSTR InputString;\r
+ punycode_uint Length;\r
+ punycode_uint OutputLength;\r
+ bResult = FALSE;\r
+ if(pUnicode = malloc(sizeof(punycode_uint) * strlen(Input)))\r
+ {\r
+ p = pUnicode;\r
+ bNeeded = FALSE;\r
+ InputString = Input;\r
+ Length = 0;\r
+ while(*InputString != '\0')\r
+ {\r
+ *p = (punycode_uint)GetNextCharM(InputString, &InputString);\r
+ if(*p >= 0x80)\r
+ bNeeded = TRUE;\r
+ p++;\r
+ Length++;\r
+ }\r
+ if(bNeeded)\r
+ {\r
+ if(Count >= strlen("xn--") + 1)\r
+ {\r
+ strcpy(Output, "xn--");\r
+ OutputLength = Count - strlen("xn--");\r
+ if(punycode_encode(Length, pUnicode, NULL, (punycode_uint*)&OutputLength, Output + strlen("xn--")) == punycode_success)\r
+ {\r
+ Output[strlen("xn--") + OutputLength] = '\0';\r
+ bResult = TRUE;\r
+ }\r
+ }\r
+ }\r
+ free(pUnicode);\r
+ }\r
+ if(!bResult)\r
+ {\r
+ if(Count >= strlen(Input) + 1)\r
+ {\r
+ strcpy(Output, Input);\r
+ bResult = TRUE;\r
+ }\r
+ }\r
+ return bResult;\r
+}\r
+\r
+static BOOL ConvertNameToPunycode(LPSTR Output, LPCSTR Input)\r
+{\r
+ BOOL bResult;\r
+ DWORD Length;\r
+ char* pm0;\r
+ char* pm1;\r
+ char* p;\r
+ char* pNext;\r
+ bResult = FALSE;\r
+ Length = strlen(Input);\r
+ if(pm0 = AllocateStringM(Length + 1))\r
+ {\r
+ if(pm1 = AllocateStringM(Length * 4 + 1))\r
+ {\r
+ strcpy(pm0, Input);\r
+ p = pm0;\r
+ while(p)\r
+ {\r
+ if(pNext = strchr(p, '.'))\r
+ {\r
+ *pNext = '\0';\r
+ pNext++;\r
+ }\r
+ if(ConvertStringToPunycode(pm1, Length * 4, p))\r
+ strcat(Output, pm1);\r
+ if(pNext)\r
+ strcat(Output, ".");\r
+ p = pNext;\r
+ }\r
+ bResult = TRUE;\r
+ FreeDuplicatedString(pm1);\r
+ }\r
+ FreeDuplicatedString(pm0);\r
+ }\r
+ return bResult;\r
+}\r
+\r
+static HANDLE WSAAsyncGetHostByNameM(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen)\r
+{\r
+ HANDLE r = NULL;\r
+ char* pa0 = NULL;\r
+ if(pa0 = AllocateStringA(strlen(name) * 4))\r
+ {\r
+ if(ConvertNameToPunycode(pa0, name))\r
+ r = WSAAsyncGetHostByName(hWnd, wMsg, pa0, buf, buflen);\r
+ }\r
+ FreeDuplicatedString(pa0);\r
+ return r;\r
+}\r
+\r
+static HANDLE WSAAsyncGetHostByNameIPv6M(HWND hWnd, u_int wMsg, const char * name, char * buf, int buflen, short Family)\r
+{\r
+ HANDLE r = NULL;\r
+ char* pa0 = NULL;\r
+ if(pa0 = AllocateStringA(strlen(name) * 4))\r
+ {\r
+ if(ConvertNameToPunycode(pa0, name))\r
+ r = WSAAsyncGetHostByNameIPv6(hWnd, wMsg, pa0, buf, buflen, Family);\r
+ }\r
+ FreeDuplicatedString(pa0);\r
+ return r;\r
+}\r
+\r