497 lines
13 KiB
C
497 lines
13 KiB
C
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#include <stdio.h>
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#include <winpr/crt.h>
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#include <winpr/pipe.h>
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#include <winpr/file.h>
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#include <winpr/tchar.h>
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#include <winpr/winpr.h>
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#include <winpr/print.h>
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#include <winpr/synch.h>
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#include <winpr/wlog.h>
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#include <winpr/thread.h>
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#ifndef _WIN32
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#include <signal.h>
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#endif
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#include "../pipe.h"
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#define PIPE_BUFFER_SIZE 32
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static HANDLE ReadyEvent;
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static LPTSTR lpszPipeNameMt = _T("\\\\.\\pipe\\winpr_test_pipe_mt");
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static LPTSTR lpszPipeNameSt = _T("\\\\.\\pipe\\winpr_test_pipe_st");
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static BOOL testFailed = FALSE;
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static DWORD WINAPI named_pipe_client_thread(LPVOID arg)
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{
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HANDLE hNamedPipe = NULL;
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BYTE* lpReadBuffer = NULL;
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BYTE* lpWriteBuffer = NULL;
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BOOL fSuccess = FALSE;
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DWORD nNumberOfBytesToRead;
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DWORD nNumberOfBytesToWrite;
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DWORD lpNumberOfBytesRead;
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DWORD lpNumberOfBytesWritten;
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WaitForSingleObject(ReadyEvent, INFINITE);
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hNamedPipe =
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CreateFile(lpszPipeNameMt, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
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if (hNamedPipe == INVALID_HANDLE_VALUE)
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{
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printf("%s: Named Pipe CreateFile failure: INVALID_HANDLE_VALUE\n", __FUNCTION__);
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goto out;
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}
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if (!(lpReadBuffer = (BYTE*)malloc(PIPE_BUFFER_SIZE)))
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{
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printf("%s: Error allocating read buffer\n", __FUNCTION__);
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goto out;
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}
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if (!(lpWriteBuffer = (BYTE*)malloc(PIPE_BUFFER_SIZE)))
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{
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printf("%s: Error allocating write buffer\n", __FUNCTION__);
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goto out;
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}
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lpNumberOfBytesWritten = 0;
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nNumberOfBytesToWrite = PIPE_BUFFER_SIZE;
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FillMemory(lpWriteBuffer, PIPE_BUFFER_SIZE, 0x59);
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if (!WriteFile(hNamedPipe, lpWriteBuffer, nNumberOfBytesToWrite, &lpNumberOfBytesWritten,
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NULL) ||
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lpNumberOfBytesWritten != nNumberOfBytesToWrite)
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{
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printf("%s: Client NamedPipe WriteFile failure\n", __FUNCTION__);
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goto out;
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}
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lpNumberOfBytesRead = 0;
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nNumberOfBytesToRead = PIPE_BUFFER_SIZE;
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ZeroMemory(lpReadBuffer, PIPE_BUFFER_SIZE);
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if (!ReadFile(hNamedPipe, lpReadBuffer, nNumberOfBytesToRead, &lpNumberOfBytesRead, NULL) ||
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lpNumberOfBytesRead != nNumberOfBytesToRead)
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{
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printf("%s: Client NamedPipe ReadFile failure\n", __FUNCTION__);
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goto out;
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}
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printf("Client ReadFile: %" PRIu32 " bytes\n", lpNumberOfBytesRead);
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winpr_HexDump("pipe.test", WLOG_DEBUG, lpReadBuffer, lpNumberOfBytesRead);
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fSuccess = TRUE;
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out:
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free(lpReadBuffer);
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free(lpWriteBuffer);
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CloseHandle(hNamedPipe);
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if (!fSuccess)
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testFailed = TRUE;
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ExitThread(0);
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return 0;
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}
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static DWORD WINAPI named_pipe_server_thread(LPVOID arg)
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{
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HANDLE hNamedPipe = NULL;
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BYTE* lpReadBuffer = NULL;
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BYTE* lpWriteBuffer = NULL;
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BOOL fSuccess = FALSE;
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BOOL fConnected = FALSE;
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DWORD nNumberOfBytesToRead;
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DWORD nNumberOfBytesToWrite;
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DWORD lpNumberOfBytesRead;
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DWORD lpNumberOfBytesWritten;
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hNamedPipe = CreateNamedPipe(
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lpszPipeNameMt, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
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PIPE_UNLIMITED_INSTANCES, PIPE_BUFFER_SIZE, PIPE_BUFFER_SIZE, 0, NULL);
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if (!hNamedPipe)
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{
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printf("%s: CreateNamedPipe failure: NULL handle\n", __FUNCTION__);
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goto out;
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}
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if (hNamedPipe == INVALID_HANDLE_VALUE)
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{
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printf("%s: CreateNamedPipe failure: INVALID_HANDLE_VALUE\n", __FUNCTION__);
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goto out;
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}
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SetEvent(ReadyEvent);
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/**
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* Note:
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* If a client connects before ConnectNamedPipe is called, the function returns zero and
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* GetLastError returns ERROR_PIPE_CONNECTED. This can happen if a client connects in the
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* interval between the call to CreateNamedPipe and the call to ConnectNamedPipe.
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* In this situation, there is a good connection between client and server, even though
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* the function returns zero.
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*/
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fConnected =
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ConnectNamedPipe(hNamedPipe, NULL) ? TRUE : (GetLastError() == ERROR_PIPE_CONNECTED);
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if (!fConnected)
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{
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printf("%s: ConnectNamedPipe failure\n", __FUNCTION__);
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goto out;
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}
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if (!(lpReadBuffer = (BYTE*)calloc(1, PIPE_BUFFER_SIZE)))
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{
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printf("%s: Error allocating read buffer\n", __FUNCTION__);
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goto out;
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}
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if (!(lpWriteBuffer = (BYTE*)malloc(PIPE_BUFFER_SIZE)))
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{
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printf("%s: Error allocating write buffer\n", __FUNCTION__);
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goto out;
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}
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lpNumberOfBytesRead = 0;
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nNumberOfBytesToRead = PIPE_BUFFER_SIZE;
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if (!ReadFile(hNamedPipe, lpReadBuffer, nNumberOfBytesToRead, &lpNumberOfBytesRead, NULL) ||
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lpNumberOfBytesRead != nNumberOfBytesToRead)
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{
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printf("%s: Server NamedPipe ReadFile failure\n", __FUNCTION__);
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goto out;
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}
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printf("Server ReadFile: %" PRIu32 " bytes\n", lpNumberOfBytesRead);
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winpr_HexDump("pipe.test", WLOG_DEBUG, lpReadBuffer, lpNumberOfBytesRead);
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lpNumberOfBytesWritten = 0;
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nNumberOfBytesToWrite = PIPE_BUFFER_SIZE;
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FillMemory(lpWriteBuffer, PIPE_BUFFER_SIZE, 0x45);
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if (!WriteFile(hNamedPipe, lpWriteBuffer, nNumberOfBytesToWrite, &lpNumberOfBytesWritten,
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NULL) ||
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lpNumberOfBytesWritten != nNumberOfBytesToWrite)
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{
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printf("%s: Server NamedPipe WriteFile failure\n", __FUNCTION__);
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goto out;
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}
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fSuccess = TRUE;
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out:
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free(lpReadBuffer);
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free(lpWriteBuffer);
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CloseHandle(hNamedPipe);
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if (!fSuccess)
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testFailed = TRUE;
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ExitThread(0);
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return 0;
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}
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#define TESTNUMPIPESST 16
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static DWORD WINAPI named_pipe_single_thread(LPVOID arg)
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{
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HANDLE servers[TESTNUMPIPESST];
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HANDLE clients[TESTNUMPIPESST];
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char sndbuf[PIPE_BUFFER_SIZE];
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char rcvbuf[PIPE_BUFFER_SIZE];
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DWORD dwRead;
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DWORD dwWritten;
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int i;
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int numPipes;
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BOOL bSuccess = FALSE;
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numPipes = TESTNUMPIPESST;
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memset(servers, 0, sizeof(servers));
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memset(clients, 0, sizeof(clients));
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WaitForSingleObject(ReadyEvent, INFINITE);
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for (i = 0; i < numPipes; i++)
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{
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if (!(servers[i] = CreateNamedPipe(lpszPipeNameSt, PIPE_ACCESS_DUPLEX,
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PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
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PIPE_UNLIMITED_INSTANCES, PIPE_BUFFER_SIZE,
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PIPE_BUFFER_SIZE, 0, NULL)))
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{
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printf("%s: CreateNamedPipe #%d failed\n", __FUNCTION__, i);
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goto out;
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}
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}
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#ifndef _WIN32
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for (i = 0; i < numPipes; i++)
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{
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WINPR_NAMED_PIPE* p = (WINPR_NAMED_PIPE*)servers[i];
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if (strcmp(lpszPipeNameSt, p->name))
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{
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printf("%s: Pipe name mismatch for pipe #%d ([%s] instead of [%s])\n", __FUNCTION__, i,
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p->name, lpszPipeNameSt);
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goto out;
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}
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if (p->clientfd != -1)
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{
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printf("%s: Unexpected client fd value for pipe #%d (%d instead of -1)\n", __FUNCTION__,
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i, p->clientfd);
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goto out;
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}
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if (p->serverfd < 1)
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{
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printf("%s: Unexpected server fd value for pipe #%d (%d is not > 0)\n", __FUNCTION__, i,
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p->serverfd);
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goto out;
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}
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if (p->ServerMode == FALSE)
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{
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printf("%s: Unexpected ServerMode value for pipe #%d (0 instead of 1)\n", __FUNCTION__,
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i);
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goto out;
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}
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}
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#endif
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for (i = 0; i < numPipes; i++)
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{
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BOOL fConnected;
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if ((clients[i] = CreateFile(lpszPipeNameSt, GENERIC_READ | GENERIC_WRITE, 0, NULL,
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OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
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{
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printf("%s: CreateFile #%d failed\n", __FUNCTION__, i);
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goto out;
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}
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/**
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* Note:
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* If a client connects before ConnectNamedPipe is called, the function returns zero and
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* GetLastError returns ERROR_PIPE_CONNECTED. This can happen if a client connects in the
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* interval between the call to CreateNamedPipe and the call to ConnectNamedPipe.
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* In this situation, there is a good connection between client and server, even though
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* the function returns zero.
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*/
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fConnected =
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ConnectNamedPipe(servers[i], NULL) ? TRUE : (GetLastError() == ERROR_PIPE_CONNECTED);
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if (!fConnected)
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{
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printf("%s: ConnectNamedPipe #%d failed. (%" PRIu32 ")\n", __FUNCTION__, i,
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GetLastError());
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goto out;
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}
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}
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#ifndef _WIN32
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for (i = 0; i < numPipes; i++)
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{
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WINPR_NAMED_PIPE* p = servers[i];
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if (p->clientfd < 1)
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{
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printf("%s: Unexpected client fd value for pipe #%d (%d is not > 0)\n", __FUNCTION__, i,
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p->clientfd);
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goto out;
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}
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if (p->ServerMode)
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{
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printf("%s: Unexpected ServerMode value for pipe #%d (1 instead of 0)\n", __FUNCTION__,
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i);
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goto out;
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}
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}
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for (i = 0; i < numPipes; i++)
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{
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/* Test writing from clients to servers */
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ZeroMemory(sndbuf, sizeof(sndbuf));
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ZeroMemory(rcvbuf, sizeof(rcvbuf));
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sprintf_s(sndbuf, sizeof(sndbuf), "CLIENT->SERVER ON PIPE #%05d", i);
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if (!WriteFile(clients[i], sndbuf, sizeof(sndbuf), &dwWritten, NULL) ||
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dwWritten != sizeof(sndbuf))
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{
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printf("%s: Error writing to client end of pipe #%d\n", __FUNCTION__, i);
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goto out;
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}
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if (!ReadFile(servers[i], rcvbuf, dwWritten, &dwRead, NULL) || dwRead != dwWritten)
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{
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printf("%s: Error reading on server end of pipe #%d\n", __FUNCTION__, i);
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goto out;
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}
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if (memcmp(sndbuf, rcvbuf, sizeof(sndbuf)))
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{
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printf("%s: Error data read on server end of pipe #%d is corrupted\n", __FUNCTION__, i);
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goto out;
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}
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/* Test writing from servers to clients */
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ZeroMemory(sndbuf, sizeof(sndbuf));
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ZeroMemory(rcvbuf, sizeof(rcvbuf));
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sprintf_s(sndbuf, sizeof(sndbuf), "SERVER->CLIENT ON PIPE #%05d", i);
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if (!WriteFile(servers[i], sndbuf, sizeof(sndbuf), &dwWritten, NULL) ||
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dwWritten != sizeof(sndbuf))
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{
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printf("%s: Error writing to server end of pipe #%d\n", __FUNCTION__, i);
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goto out;
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}
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if (!ReadFile(clients[i], rcvbuf, dwWritten, &dwRead, NULL) || dwRead != dwWritten)
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{
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printf("%s: Error reading on client end of pipe #%d\n", __FUNCTION__, i);
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goto out;
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}
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if (memcmp(sndbuf, rcvbuf, sizeof(sndbuf)))
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{
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printf("%s: Error data read on client end of pipe #%d is corrupted\n", __FUNCTION__, i);
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goto out;
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}
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}
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#endif
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/**
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* After DisconnectNamedPipe on server end
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* ReadFile/WriteFile must fail on client end
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*/
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i = numPipes - 1;
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DisconnectNamedPipe(servers[i]);
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if (ReadFile(clients[i], rcvbuf, sizeof(rcvbuf), &dwRead, NULL))
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{
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printf(
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"%s: Error ReadFile on client should have failed after DisconnectNamedPipe on server\n",
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__FUNCTION__);
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goto out;
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}
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if (WriteFile(clients[i], sndbuf, sizeof(sndbuf), &dwWritten, NULL))
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{
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printf("%s: Error WriteFile on client end should have failed after DisconnectNamedPipe on "
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"server\n",
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__FUNCTION__);
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goto out;
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}
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CloseHandle(servers[i]);
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CloseHandle(clients[i]);
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numPipes--;
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/**
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* After CloseHandle (without calling DisconnectNamedPipe first) on server end
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* ReadFile/WriteFile must fail on client end
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*/
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i = numPipes - 1;
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CloseHandle(servers[i]);
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if (ReadFile(clients[i], rcvbuf, sizeof(rcvbuf), &dwRead, NULL))
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{
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printf("%s: Error ReadFile on client end should have failed after CloseHandle on server\n",
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__FUNCTION__);
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goto out;
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}
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if (WriteFile(clients[i], sndbuf, sizeof(sndbuf), &dwWritten, NULL))
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{
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printf("%s: Error WriteFile on client end should have failed after CloseHandle on server\n",
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__FUNCTION__);
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goto out;
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}
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CloseHandle(clients[i]);
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numPipes--;
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/**
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* After CloseHandle on client end
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* ReadFile/WriteFile must fail on server end
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*/
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i = numPipes - 1;
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CloseHandle(clients[i]);
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if (ReadFile(servers[i], rcvbuf, sizeof(rcvbuf), &dwRead, NULL))
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{
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printf("%s: Error ReadFile on server end should have failed after CloseHandle on client\n",
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__FUNCTION__);
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goto out;
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}
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if (WriteFile(servers[i], sndbuf, sizeof(sndbuf), &dwWritten, NULL))
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{
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printf("%s: Error WriteFile on server end should have failed after CloseHandle on client\n",
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__FUNCTION__);
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goto out;
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}
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DisconnectNamedPipe(servers[i]);
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CloseHandle(servers[i]);
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numPipes--;
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/* Close all remaining pipes */
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for (i = 0; i < numPipes; i++)
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{
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DisconnectNamedPipe(servers[i]);
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CloseHandle(servers[i]);
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CloseHandle(clients[i]);
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}
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bSuccess = TRUE;
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out:
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if (!bSuccess)
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testFailed = TRUE;
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return 0;
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}
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int TestPipeCreateNamedPipe(int argc, char* argv[])
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{
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HANDLE SingleThread;
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HANDLE ClientThread;
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HANDLE ServerThread;
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HANDLE hPipe;
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/* Verify that CreateNamedPipe returns INVALID_HANDLE_VALUE on failure */
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hPipe = CreateNamedPipeA(NULL, 0, 0, 0, 0, 0, 0, NULL);
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if (hPipe != INVALID_HANDLE_VALUE)
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{
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printf("CreateNamedPipe unexpectedly returned %p instead of INVALID_HANDLE_VALUE (%p)\n",
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hPipe, INVALID_HANDLE_VALUE);
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return -1;
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}
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#ifndef _WIN32
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signal(SIGPIPE, SIG_IGN);
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#endif
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if (!(ReadyEvent = CreateEvent(NULL, TRUE, FALSE, NULL)))
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{
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printf("CreateEvent failure: (%" PRIu32 ")\n", GetLastError());
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return -1;
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}
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if (!(SingleThread = CreateThread(NULL, 0, named_pipe_single_thread, NULL, 0, NULL)))
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{
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printf("CreateThread (SingleThread) failure: (%" PRIu32 ")\n", GetLastError());
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return -1;
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}
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if (!(ClientThread = CreateThread(NULL, 0, named_pipe_client_thread, NULL, 0, NULL)))
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{
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printf("CreateThread (ClientThread) failure: (%" PRIu32 ")\n", GetLastError());
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return -1;
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}
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if (!(ServerThread = CreateThread(NULL, 0, named_pipe_server_thread, NULL, 0, NULL)))
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{
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printf("CreateThread (ServerThread) failure: (%" PRIu32 ")\n", GetLastError());
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return -1;
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}
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WaitForSingleObject(SingleThread, INFINITE);
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WaitForSingleObject(ClientThread, INFINITE);
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WaitForSingleObject(ServerThread, INFINITE);
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CloseHandle(SingleThread);
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CloseHandle(ClientThread);
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CloseHandle(ServerThread);
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return testFailed;
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}
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