pipe.c

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/* Unit test suite for Ntdll NamedPipe API functions
 *
 * Copyright 2011 Bernhard Loos
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <stdio.h>
#include <stdarg.h>
 
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "winnls.h"
#include "wine/test.h"
#include "winternl.h"
#include "winioctl.h"
 
#ifndef __WINE_WINTERNL_H
 
typedef struct {
  ULONG ReadMode;
  ULONG CompletionMode;
} FILE_PIPE_INFORMATION;
 
typedef struct {
  ULONG NamedPipeType;
  ULONG NamedPipeConfiguration;
  ULONG MaximumInstances;
  ULONG CurrentInstances;
  ULONG InboundQuota;
  ULONG ReadDataAvailable;
  ULONG OutboundQuota;
  ULONG WriteQuotaAvailable;
  ULONG NamedPipeState;
  ULONG NamedPipeEnd;
} FILE_PIPE_LOCAL_INFORMATION;
 
#ifndef FILE_SYNCHRONOUS_IO_ALERT
#define FILE_SYNCHRONOUS_IO_ALERT 0x10
#endif
 
#ifndef FILE_SYNCHRONOUS_IO_NONALERT
#define FILE_SYNCHRONOUS_IO_NONALERT 0x20
#endif
 
#ifndef FSCTL_PIPE_LISTEN
#define FSCTL_PIPE_LISTEN CTL_CODE(FILE_DEVICE_NAMED_PIPE, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#endif
#endif
 
static NTSTATUS (WINAPI *pNtFsControlFile) (HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code, PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size);
static NTSTATUS (WINAPI *pNtCreateNamedPipeFile) (PHANDLE handle, ULONG access,
                                        POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
                                        ULONG sharing, ULONG dispo, ULONG options,
                                        ULONG pipe_type, ULONG read_mode,
                                        ULONG completion_mode, ULONG max_inst,
                                        ULONG inbound_quota, ULONG outbound_quota,
                                        PLARGE_INTEGER timeout);
static NTSTATUS (WINAPI *pNtQueryInformationFile) (IN HANDLE FileHandle, OUT PIO_STATUS_BLOCK IoStatusBlock, OUT PVOID FileInformation, IN ULONG Length, IN FILE_INFORMATION_CLASS FileInformationClass);
static NTSTATUS (WINAPI *pNtQueryVolumeInformationFile)(HANDLE handle, PIO_STATUS_BLOCK io, void *buffer, ULONG length, FS_INFORMATION_CLASS info_class);
static NTSTATUS (WINAPI *pNtSetInformationFile) (HANDLE handle, PIO_STATUS_BLOCK io, PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class);
static NTSTATUS (WINAPI *pNtCancelIoFile) (HANDLE hFile, PIO_STATUS_BLOCK io_status);
static NTSTATUS (WINAPI *pNtCancelIoFileEx) (HANDLE hFile, IO_STATUS_BLOCK *iosb, IO_STATUS_BLOCK *io_status);
static void (WINAPI *pRtlInitUnicodeString) (PUNICODE_STRING target, PCWSTR source);
 
static HANDLE (WINAPI *pOpenThread)(DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId);
static DWORD (WINAPI *pQueueUserAPC)(PAPCFUNC pfnAPC, HANDLE hThread, ULONG_PTR dwData);
 
 
static BOOL init_func_ptrs(void)
{
    HMODULE module = GetModuleHandleA("ntdll.dll");
 
#define loadfunc(name)  if (!(p##name = (void *)GetProcAddress(module, #name))) { \
                            trace("GetProcAddress(%s) failed\n", #name); \
                            return FALSE; \
                        }
 
    loadfunc(NtFsControlFile)
    loadfunc(NtCreateNamedPipeFile)
    loadfunc(NtQueryInformationFile)
    loadfunc(NtQueryVolumeInformationFile)
    loadfunc(NtSetInformationFile)
    loadfunc(NtCancelIoFile)
    loadfunc(RtlInitUnicodeString)
 
    /* not fatal */
    pNtCancelIoFileEx = (void *)GetProcAddress(module, "NtCancelIoFileEx");
    module = GetModuleHandleA("kernel32.dll");
    pOpenThread = (void *)GetProcAddress(module, "OpenThread");
    pQueueUserAPC = (void *)GetProcAddress(module, "QueueUserAPC");
    return TRUE;
}
 
static inline BOOL is_signaled( HANDLE obj )
{
    return WaitForSingleObject( obj, 0 ) == WAIT_OBJECT_0;
}
 
static const WCHAR testpipe[] = { '\\', '\\', '.', '\\', 'p', 'i', 'p', 'e', '\\',
                                  't', 'e', 's', 't', 'p', 'i', 'p', 'e', 0 };
static const WCHAR testpipe_nt[] = { '\\', '?', '?', '\\', 'p', 'i', 'p', 'e', '\\',
                                     't', 'e', 's', 't', 'p', 'i', 'p', 'e', 0 };
 
static NTSTATUS create_pipe(PHANDLE handle, ULONG sharing, ULONG options)
{
    IO_STATUS_BLOCK iosb;
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING name;
    LARGE_INTEGER timeout;
    NTSTATUS res;
 
    pRtlInitUnicodeString(&name, testpipe_nt);
 
    attr.Length                   = sizeof(attr);
    attr.RootDirectory            = 0;
    attr.ObjectName               = &name;
    attr.Attributes               = 0x40; /*case insensitive */
    attr.SecurityDescriptor       = NULL;
    attr.SecurityQualityOfService = NULL;
 
    timeout.QuadPart = -100000000;
 
    res = pNtCreateNamedPipeFile(handle, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb, sharing,  2 /*FILE_CREATE*/,
                                 options, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    return res;
}
 
static BOOL ioapc_called;
static void CALLBACK ioapc(void *arg, PIO_STATUS_BLOCK io, ULONG reserved)
{
    ioapc_called = TRUE;
}
 
static NTSTATUS listen_pipe(HANDLE hPipe, HANDLE hEvent, PIO_STATUS_BLOCK iosb, BOOL use_apc)
{
    int dummy;
 
    ioapc_called = FALSE;
 
    return pNtFsControlFile(hPipe, hEvent, use_apc ? &ioapc: NULL, use_apc ? &dummy: NULL, iosb, FSCTL_PIPE_LISTEN, 0, 0, 0, 0);
}
 
static void test_create_invalid(void)
{
    IO_STATUS_BLOCK iosb;
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING name;
    LARGE_INTEGER timeout;
    NTSTATUS res;
    HANDLE handle, handle2;
    FILE_PIPE_LOCAL_INFORMATION info;
 
    pRtlInitUnicodeString(&name, testpipe_nt);
 
    attr.Length                   = sizeof(attr);
    attr.RootDirectory            = 0;
    attr.ObjectName               = &name;
    attr.Attributes               = 0x40; /*case insensitive */
    attr.SecurityDescriptor       = NULL;
    attr.SecurityQualityOfService = NULL;
 
    timeout.QuadPart = -100000000;
 
/* create a pipe with FILE_OVERWRITE */
    res = pNtCreateNamedPipeFile(&handle, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb, FILE_SHARE_READ, 4 /*FILE_OVERWRITE*/,
                                 0, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    todo_wine ok(res == STATUS_INVALID_PARAMETER, "NtCreateNamedPipeFile returned %x\n", res);
    if (!res)
        CloseHandle(handle);
 
/* create a pipe with FILE_OVERWRITE_IF */
    res = pNtCreateNamedPipeFile(&handle, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb, FILE_SHARE_READ, 5 /*FILE_OVERWRITE_IF*/,
                                 0, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    todo_wine ok(res == STATUS_INVALID_PARAMETER, "NtCreateNamedPipeFile returned %x\n", res);
    if (!res)
        CloseHandle(handle);
 
/* create a pipe with sharing = 0 */
    res = pNtCreateNamedPipeFile(&handle, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb, 0, 2 /*FILE_CREATE*/,
                                 0, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    ok(res == STATUS_INVALID_PARAMETER, "NtCreateNamedPipeFile returned %x\n", res);
    if (!res)
        CloseHandle(handle);
 
/* create a pipe without r/w access */
    res = pNtCreateNamedPipeFile(&handle, SYNCHRONIZE, &attr, &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE, 2 /*FILE_CREATE*/,
                                 0, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    res = pNtQueryInformationFile(handle, &iosb, &info, sizeof(info), (FILE_INFORMATION_CLASS)24);
    ok(res == STATUS_ACCESS_DENIED, "NtQueryInformationFile returned %x\n", res);
 
/* test FILE_CREATE creation disposition */
    res = pNtCreateNamedPipeFile(&handle2, SYNCHRONIZE, &attr, &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE, 2 /*FILE_CREATE*/,
                                 0, 1, 0, 0, 0xFFFFFFFF, 500, 500, &timeout);
    todo_wine ok(res == STATUS_ACCESS_DENIED, "NtCreateNamedPipeFile returned %x\n", res);
    if (!res)
        CloseHandle(handle2);
 
    CloseHandle(handle);
}
 
static void test_create(void)
{
    HANDLE hserver;
    NTSTATUS res;
    int j, k;
    FILE_PIPE_LOCAL_INFORMATION info;
    IO_STATUS_BLOCK iosb;
    HANDLE hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
 
    static const DWORD access[] = { 0, GENERIC_READ, GENERIC_WRITE, GENERIC_READ | GENERIC_WRITE};
    static const DWORD sharing[] =    { FILE_SHARE_READ, FILE_SHARE_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE };
    static const DWORD pipe_config[]= {               1,                0,                                  2 };
 
    for (j = 0; j < sizeof(sharing) / sizeof(DWORD); j++) {
        for (k = 0; k < sizeof(access) / sizeof(DWORD); k++) {
            HANDLE hclient;
            BOOL should_succeed = TRUE;
 
            res  = create_pipe(&hserver, sharing[j], 0);
            if (res) {
                ok(0, "NtCreateNamedPipeFile returned %x, sharing: %x\n", res, sharing[j]);
                continue;
            }
 
            res = listen_pipe(hserver, hEvent, &iosb, FALSE);
            ok(res == STATUS_PENDING, "NtFsControlFile returned %x\n", res);
 
            res = pNtQueryInformationFile(hserver, &iosb, &info, sizeof(info), (FILE_INFORMATION_CLASS)24);
            ok(!res, "NtQueryInformationFile for server returned %x, sharing: %x\n", res, sharing[j]);
            ok(info.NamedPipeConfiguration == pipe_config[j], "wrong duplex status for pipe: %d, expected %d\n",
               info.NamedPipeConfiguration, pipe_config[j]);
 
            hclient = CreateFileW(testpipe, access[k], 0, 0, OPEN_EXISTING, 0, 0);
            if (hclient != INVALID_HANDLE_VALUE) {
                res = pNtQueryInformationFile(hclient, &iosb, &info, sizeof(info), (FILE_INFORMATION_CLASS)24);
                ok(!res, "NtQueryInformationFile for client returned %x, access: %x, sharing: %x\n",
                   res, access[k], sharing[j]);
                ok(info.NamedPipeConfiguration == pipe_config[j], "wrong duplex status for pipe: %d, expected %d\n",
                   info.NamedPipeConfiguration, pipe_config[j]);
 
                res = listen_pipe(hclient, hEvent, &iosb, FALSE);
                ok(res == STATUS_ILLEGAL_FUNCTION, "expected STATUS_ILLEGAL_FUNCTION, got %x\n", res);
                CloseHandle(hclient);
            }
 
            if (access[k] & GENERIC_WRITE)
                should_succeed &= !!(sharing[j] & FILE_SHARE_WRITE);
            if (access[k] & GENERIC_READ)
                should_succeed &= !!(sharing[j] & FILE_SHARE_READ);
 
            if (should_succeed)
                ok(hclient != INVALID_HANDLE_VALUE, "CreateFile failed for sharing %x, access: %x, GetLastError: %d\n",
                   sharing[j], access[k], GetLastError());
            else
                ok(hclient == INVALID_HANDLE_VALUE, "CreateFile succeeded for sharing %x, access: %x\n", sharing[j], access[k]);
 
            CloseHandle(hserver);
        }
    }
    CloseHandle(hEvent);
}
 
static void test_overlapped(void)
{
    IO_STATUS_BLOCK iosb;
    HANDLE hEvent;
    HANDLE hPipe;
    HANDLE hClient;
    NTSTATUS res;
 
    hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    ok(hEvent != INVALID_HANDLE_VALUE, "can't create event, GetLastError: %x\n", GetLastError());
 
    res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, 0 /* OVERLAPPED */);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    memset(&iosb, 0x55, sizeof(iosb));
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    ok(res == STATUS_PENDING, "NtFsControlFile returned %x\n", res);
    ok(U(iosb).Status == 0x55555555, "iosb.Status got changed to %x\n", U(iosb).Status);
 
    hClient = CreateFileW(testpipe, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
    ok(hClient != INVALID_HANDLE_VALUE, "can't open pipe, GetLastError: %x\n", GetLastError());
 
    ok(U(iosb).Status == 0, "Wrong iostatus %x\n", U(iosb).Status);
    ok(WaitForSingleObject(hEvent, 0) == 0, "hEvent not signaled\n");
 
    ok(!ioapc_called, "IOAPC ran too early\n");
 
    SleepEx(0, TRUE); /* alertable wait state */
 
    ok(ioapc_called, "IOAPC didn't run\n");
 
    CloseHandle(hPipe);
    CloseHandle(hClient);
 
    res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, 0 /* OVERLAPPED */);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    hClient = CreateFileW(testpipe, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
    ok(hClient != INVALID_HANDLE_VALUE || broken(GetLastError() == ERROR_PIPE_BUSY) /* > Win 8 */,
       "can't open pipe, GetLastError: %x\n", GetLastError());
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        SetEvent(hEvent);
        memset(&iosb, 0x55, sizeof(iosb));
        res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
        ok(res == STATUS_PIPE_CONNECTED, "NtFsControlFile returned %x\n", res);
        ok(U(iosb).Status == 0x55555555, "iosb.Status got changed to %x\n", U(iosb).Status);
        ok(!is_signaled(hEvent), "hEvent not signaled\n");
 
        CloseHandle(hClient);
    }
 
    CloseHandle(hPipe);
    CloseHandle(hEvent);
}
 
static void test_completion(void)
{
    static const char buf[] = "testdata";
    FILE_IO_COMPLETION_NOTIFICATION_INFORMATION info;
    HANDLE port, pipe, client;
    IO_STATUS_BLOCK iosb;
    OVERLAPPED ov, *pov;
    IO_STATUS_BLOCK io;
    NTSTATUS status;
    DWORD num_bytes;
    ULONG_PTR key;
    DWORD dwret;
    BOOL ret;
 
    memset(&ov, 0, sizeof(ov));
    ov.hEvent = CreateEventA(NULL, TRUE, FALSE, NULL);
    ok(ov.hEvent != INVALID_HANDLE_VALUE, "CreateEvent failed, error %u\n", GetLastError());
 
    status = create_pipe(&pipe, FILE_SHARE_READ | FILE_SHARE_WRITE, 0 /* OVERLAPPED */);
    ok(!status, "NtCreateNamedPipeFile returned %x\n", status);
    status = listen_pipe(pipe, ov.hEvent, &iosb, FALSE);
    ok(status == STATUS_PENDING, "NtFsControlFile returned %x\n", status);
 
    client = CreateFileW(testpipe, GENERIC_READ | GENERIC_WRITE, 0, 0,
                         OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
    ok(client != INVALID_HANDLE_VALUE, "CreateFile failed, error %u\n", GetLastError());
    dwret = WaitForSingleObject(ov.hEvent, 0);
    ok(dwret == WAIT_OBJECT_0, "expected WAIT_OBJECT_0, got %u\n", dwret);
 
    port = CreateIoCompletionPort(client, NULL, 0xdeadbeef, 0);
    ok(port != NULL, "CreateIoCompletionPort failed, error %u\n", GetLastError());
 
    ret = WriteFile(client, buf, sizeof(buf), &num_bytes, &ov);
    ok(ret, "WriteFile failed, error %u\n", GetLastError());
    ok(num_bytes == sizeof(buf), "expected sizeof(buf), got %u\n", num_bytes);
 
    key = 0;
    pov = NULL;
    ret = GetQueuedCompletionStatus(port, &num_bytes, &key, &pov, 1000);
    ok(ret, "GetQueuedCompletionStatus failed, error %u\n", GetLastError());
    ok(key == 0xdeadbeef, "expected 0xdeadbeef, got %lx\n", key);
    ok(pov == &ov, "expected %p, got %p\n", &ov, pov);
 
    info.Flags = FILE_SKIP_COMPLETION_PORT_ON_SUCCESS;
    status = pNtSetInformationFile(client, &io, &info, sizeof(info), FileIoCompletionNotificationInformation);
    ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %08x\n", status);
 
    info.Flags = 0;
    status = pNtQueryInformationFile(client, &io, &info, sizeof(info), FileIoCompletionNotificationInformation);
    ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %08x\n", status);
    ok((info.Flags & FILE_SKIP_COMPLETION_PORT_ON_SUCCESS) != 0, "got %08x\n", info.Flags);
 
    ret = WriteFile(client, buf, sizeof(buf), &num_bytes, &ov);
    ok(ret, "WriteFile failed, error %u\n", GetLastError());
    ok(num_bytes == sizeof(buf), "expected sizeof(buf), got %u\n", num_bytes);
 
    pov = (void *)0xdeadbeef;
    ret = GetQueuedCompletionStatus(port, &num_bytes, &key, &pov, 1000);
    ok(!ret, "GetQueuedCompletionStatus succeeded\n");
    ok(pov == NULL, "expected NULL, got %p\n", pov);
 
    CloseHandle(ov.hEvent);
    CloseHandle(client);
    CloseHandle(pipe);
    CloseHandle(port);
}
 
static BOOL userapc_called;
static void CALLBACK userapc(ULONG_PTR dwParam)
{
    userapc_called = TRUE;
}
 
static BOOL open_succeeded;
static DWORD WINAPI thread(PVOID main_thread)
{
    HANDLE h;
 
    Sleep(400);
 
    if (main_thread) {
        DWORD ret;
        userapc_called = FALSE;
        ret = pQueueUserAPC(&userapc, main_thread, 0);
        ok(ret, "can't queue user apc, GetLastError: %x\n", GetLastError());
        CloseHandle(main_thread);
    }
 
    Sleep(400);
 
    h = CreateFileW(testpipe, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
 
    if (h != INVALID_HANDLE_VALUE) {
        open_succeeded = TRUE;
        Sleep(100);
        CloseHandle(h);
    } else
        open_succeeded = FALSE;
 
    return 0;
}
 
static void test_alertable(void)
{
    IO_STATUS_BLOCK iosb;
    HANDLE hEvent;
    HANDLE hPipe;
    NTSTATUS res;
    HANDLE hThread;
    DWORD ret;
 
    memset(&iosb, 0x55, sizeof(iosb));
 
    hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    ok(hEvent != INVALID_HANDLE_VALUE, "can't create event, GetLastError: %x\n", GetLastError());
 
    res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_ALERT);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
/* queue an user apc before calling listen */
    userapc_called = FALSE;
    ret = pQueueUserAPC(&userapc, GetCurrentThread(), 0);
    ok(ret, "can't queue user apc, GetLastError: %x\n", GetLastError());
 
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    todo_wine ok(res == STATUS_CANCELLED, "NtFsControlFile returned %x\n", res);
 
    todo_wine ok(userapc_called, "user apc didn't run\n");
    ok(U(iosb).Status == 0x55555555, "iosb.Status got changed to %x\n", U(iosb).Status);
    todo_wine ok(WaitForSingleObjectEx(hEvent, 0, TRUE) == WAIT_TIMEOUT, "hEvent signaled\n");
    ok(!ioapc_called, "IOAPC ran\n");
 
/* queue an user apc from a different thread */
    hThread = CreateThread(NULL, 0, &thread, pOpenThread(MAXIMUM_ALLOWED, FALSE, GetCurrentThreadId()), 0, 0);
    ok(hThread != INVALID_HANDLE_VALUE, "can't create thread, GetLastError: %x\n", GetLastError());
 
    /* wine_todo: the earlier NtFsControlFile call gets cancelled after the pipe gets set into listen state
                  instead of before, so this NtFsControlFile will fail STATUS_INVALID_HANDLE */
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    todo_wine ok(res == STATUS_CANCELLED, "NtFsControlFile returned %x\n", res);
 
    ok(userapc_called, "user apc didn't run\n");
    ok(U(iosb).Status == 0x55555555, "iosb.Status got changed to %x\n", U(iosb).Status);
    ok(WaitForSingleObjectEx(hEvent, 0, TRUE) == WAIT_TIMEOUT, "hEvent signaled\n");
    ok(!ioapc_called, "IOAPC ran\n");
 
    WaitForSingleObject(hThread, INFINITE);
 
    SleepEx(0, TRUE); /* get rid of the userapc, if NtFsControlFile failed */
 
    ok(open_succeeded, "couldn't open client side pipe\n");
 
    CloseHandle(hThread);
    DisconnectNamedPipe(hPipe);
 
/* finally try without an apc */
    hThread = CreateThread(NULL, 0, &thread, 0, 0, 0);
    ok(hThread != INVALID_HANDLE_VALUE, "can't create thread, GetLastError: %x\n", GetLastError());
 
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    todo_wine ok(!res, "NtFsControlFile returned %x\n", res);
 
    ok(open_succeeded, "couldn't open client side pipe\n");
    ok(!U(iosb).Status, "Wrong iostatus %x\n", U(iosb).Status);
    todo_wine ok(WaitForSingleObject(hEvent, 0) == 0, "hEvent not signaled\n");
 
    WaitForSingleObject(hThread, INFINITE);
    CloseHandle(hThread);
    CloseHandle(hEvent);
    CloseHandle(hPipe);
}
 
static void test_nonalertable(void)
{
    IO_STATUS_BLOCK iosb;
    HANDLE hEvent;
    HANDLE hPipe;
    NTSTATUS res;
    HANDLE hThread;
    DWORD ret;
 
    memset(&iosb, 0x55, sizeof(iosb));
 
    hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    ok(hEvent != INVALID_HANDLE_VALUE, "can't create event, GetLastError: %x\n", GetLastError());
 
    res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    hThread = CreateThread(NULL, 0, &thread, 0, 0, 0);
    ok(hThread != INVALID_HANDLE_VALUE, "can't create thread, GetLastError: %x\n", GetLastError());
 
    userapc_called = FALSE;
    ret = pQueueUserAPC(&userapc, GetCurrentThread(), 0);
    ok(ret, "can't queue user apc, GetLastError: %x\n", GetLastError());
 
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    todo_wine ok(!res, "NtFsControlFile returned %x\n", res);
 
    ok(open_succeeded, "couldn't open client side pipe\n");
    todo_wine ok(!U(iosb).Status, "Wrong iostatus %x\n", U(iosb).Status);
    todo_wine ok(WaitForSingleObject(hEvent, 0) == 0, "hEvent not signaled\n");
 
    ok(!ioapc_called, "IOAPC ran too early\n");
    ok(!userapc_called, "user apc ran too early\n");
 
    SleepEx(0, TRUE); /* alertable wait state */
 
    ok(ioapc_called, "IOAPC didn't run\n");
    ok(userapc_called, "user apc didn't run\n");
 
    WaitForSingleObject(hThread, INFINITE);
    CloseHandle(hThread);
    CloseHandle(hEvent);
    CloseHandle(hPipe);
}
 
static void test_cancelio(void)
{
    IO_STATUS_BLOCK iosb;
    IO_STATUS_BLOCK cancel_sb;
    HANDLE hEvent;
    HANDLE hPipe;
    NTSTATUS res;
 
    hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    ok(hEvent != INVALID_HANDLE_VALUE, "can't create event, GetLastError: %x\n", GetLastError());
 
    res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, 0 /* OVERLAPPED */);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    memset(&iosb, 0x55, sizeof(iosb));
 
    res = listen_pipe(hPipe, hEvent, &iosb, TRUE);
    ok(res == STATUS_PENDING, "NtFsControlFile returned %x\n", res);
 
    res = pNtCancelIoFile(hPipe, &cancel_sb);
    ok(!res, "NtCancelIoFile returned %x\n", res);
 
    ok(U(iosb).Status == STATUS_CANCELLED, "Wrong iostatus %x\n", U(iosb).Status);
    ok(WaitForSingleObject(hEvent, 0) == 0, "hEvent not signaled\n");
 
    ok(!ioapc_called, "IOAPC ran too early\n");
 
    SleepEx(0, TRUE); /* alertable wait state */
 
    ok(ioapc_called, "IOAPC didn't run\n");
 
    CloseHandle(hPipe);
 
    if (pNtCancelIoFileEx)
    {
        res = create_pipe(&hPipe, FILE_SHARE_READ | FILE_SHARE_WRITE, 0 /* OVERLAPPED */);
        ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
        memset(&iosb, 0x55, sizeof(iosb));
        res = listen_pipe(hPipe, hEvent, &iosb, FALSE);
        ok(res == STATUS_PENDING, "NtFsControlFile returned %x\n", res);
 
        res = pNtCancelIoFileEx(hPipe, &iosb, &cancel_sb);
        ok(!res, "NtCancelIoFileEx returned %x\n", res);
 
        ok(U(iosb).Status == STATUS_CANCELLED, "Wrong iostatus %x\n", U(iosb).Status);
        ok(WaitForSingleObject(hEvent, 0) == 0, "hEvent not signaled\n");
 
        CloseHandle(hPipe);
    }
    else
        win_skip("NtCancelIoFileEx not available\n");
 
    CloseHandle(hEvent);
}
 
static void _check_pipe_handle_state(int line, HANDLE handle, ULONG read, ULONG completion)
{
    IO_STATUS_BLOCK iosb;
    FILE_PIPE_INFORMATION fpi;
    NTSTATUS res;
    if (handle != INVALID_HANDLE_VALUE)
    {
        memset(&fpi, 0x55, sizeof(fpi));
        res = pNtQueryInformationFile(handle, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok_(__FILE__, line)(!res, "NtQueryInformationFile returned %x\n", res);
        ok_(__FILE__, line)(fpi.ReadMode == read, "Unexpected ReadMode, expected %x, got %x\n",
                            read, fpi.ReadMode);
        ok_(__FILE__, line)(fpi.CompletionMode == completion, "Unexpected CompletionMode, expected %x, got %x\n",
                            completion, fpi.CompletionMode);
    }
}
#define check_pipe_handle_state(handle, r, c) _check_pipe_handle_state(__LINE__, handle, r, c)
 
static void test_filepipeinfo(void)
{
    IO_STATUS_BLOCK iosb;
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING name;
    LARGE_INTEGER timeout;
    HANDLE hServer, hClient;
    FILE_PIPE_INFORMATION fpi;
    NTSTATUS res;
 
    pRtlInitUnicodeString(&name, testpipe_nt);
 
    attr.Length                   = sizeof(attr);
    attr.RootDirectory            = 0;
    attr.ObjectName               = &name;
    attr.Attributes               = 0x40; /* case insensitive */
    attr.SecurityDescriptor       = NULL;
    attr.SecurityQualityOfService = NULL;
 
    timeout.QuadPart = -100000000;
 
    /* test with INVALID_HANDLE_VALUE */
    res = pNtQueryInformationFile(INVALID_HANDLE_VALUE, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(res == STATUS_OBJECT_TYPE_MISMATCH, "NtQueryInformationFile returned %x\n", res);
 
    fpi.ReadMode = 0;
    fpi.CompletionMode = 0;
    res = pNtSetInformationFile(INVALID_HANDLE_VALUE, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(res == STATUS_OBJECT_TYPE_MISMATCH, "NtSetInformationFile returned %x\n", res);
 
    /* server end with read-only attributes */
    res = pNtCreateNamedPipeFile(&hServer, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb,
                                 FILE_SHARE_READ | FILE_SHARE_WRITE,  2 /* FILE_CREATE */,
                                 0, 0, 0, 1, 0xFFFFFFFF, 500, 500, &timeout);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 0, 1);
 
    hClient = CreateFileW(testpipe, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
    ok(hClient != INVALID_HANDLE_VALUE || broken(GetLastError() == ERROR_PIPE_BUSY) /* > Win 8 */,
       "can't open pipe, GetLastError: %x\n", GetLastError());
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 0, 0);
 
    fpi.ReadMode = 0;
    fpi.CompletionMode = 0;
    res = pNtSetInformationFile(hServer, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(res == STATUS_ACCESS_DENIED, "NtSetInformationFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 0, 0);
 
    fpi.ReadMode = 1; /* invalid on a byte stream pipe */
    fpi.CompletionMode = 1;
    res = pNtSetInformationFile(hServer, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(res == STATUS_ACCESS_DENIED, "NtSetInformationFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 0, 0);
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        fpi.ReadMode = 1; /* invalid on a byte stream pipe */
        fpi.CompletionMode = 1;
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(res == STATUS_INVALID_PARAMETER, "NtSetInformationFile returned %x\n", res);
    }
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 0, 0);
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        fpi.ReadMode = 0;
        fpi.CompletionMode = 1;
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(!res, "NtSetInformationFile returned %x\n", res);
    }
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 0, 1);
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        fpi.ReadMode = 0;
        fpi.CompletionMode = 2; /* not in range 0-1 */
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(res == STATUS_INVALID_PARAMETER || broken(!res) /* < Vista */, "NtSetInformationFile returned %x\n", res);
 
        fpi.ReadMode = 2; /* not in range 0-1 */
        fpi.CompletionMode = 0;
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(res == STATUS_INVALID_PARAMETER || broken(!res) /* < Vista */, "NtSetInformationFile returned %x\n", res);
    }
 
    CloseHandle(hClient);
 
    check_pipe_handle_state(hServer, 0, 1);
 
    fpi.ReadMode = 0;
    fpi.CompletionMode = 0;
    res = pNtSetInformationFile(hServer, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(res == STATUS_ACCESS_DENIED, "NtSetInformationFile returned %x\n", res);
 
    CloseHandle(hServer);
 
    /* message mode server with read/write attributes */
    res = pNtCreateNamedPipeFile(&hServer, FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb,
                                 FILE_SHARE_READ | FILE_SHARE_WRITE,  2 /* FILE_CREATE */,
                                 0, 1, 1, 0, 0xFFFFFFFF, 500, 500, &timeout);
    ok(!res, "NtCreateNamedPipeFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 1, 0);
 
    hClient = CreateFileW(testpipe, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
    ok(hClient != INVALID_HANDLE_VALUE || broken(GetLastError() == ERROR_PIPE_BUSY) /* > Win 8 */,
       "can't open pipe, GetLastError: %x\n", GetLastError());
 
    check_pipe_handle_state(hServer, 1, 0);
    check_pipe_handle_state(hClient, 0, 0);
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        fpi.ReadMode = 1;
        fpi.CompletionMode = 1;
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(!res, "NtSetInformationFile returned %x\n", res);
    }
 
    check_pipe_handle_state(hServer, 1, 0);
    check_pipe_handle_state(hClient, 1, 1);
 
    fpi.ReadMode = 0;
    fpi.CompletionMode = 1;
    res = pNtSetInformationFile(hServer, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(!res, "NtSetInformationFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 0, 1);
    check_pipe_handle_state(hClient, 1, 1);
 
    if (hClient != INVALID_HANDLE_VALUE)
    {
        fpi.ReadMode = 0;
        fpi.CompletionMode = 2; /* not in range 0-1 */
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(res == STATUS_INVALID_PARAMETER || broken(!res) /* < Vista */, "NtSetInformationFile returned %x\n", res);
 
        fpi.ReadMode = 2; /* not in range 0-1 */
        fpi.CompletionMode = 0;
        res = pNtSetInformationFile(hClient, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
        ok(res == STATUS_INVALID_PARAMETER || broken(!res) /* < Vista */, "NtSetInformationFile returned %x\n", res);
    }
 
    CloseHandle(hClient);
 
    check_pipe_handle_state(hServer, 0, 1);
 
    fpi.ReadMode = 1;
    fpi.CompletionMode = 0;
    res = pNtSetInformationFile(hServer, &iosb, &fpi, sizeof(fpi), (FILE_INFORMATION_CLASS)23);
    ok(!res, "NtSetInformationFile returned %x\n", res);
 
    check_pipe_handle_state(hServer, 1, 0);
 
    CloseHandle(hServer);
}
 
static void WINAPI apc( void *arg, IO_STATUS_BLOCK *iosb, ULONG reserved )
{
    int *count = arg;
    (*count)++;
    ok( !reserved, "reserved is not 0: %x\n", reserved );
}
 
static void test_peek(HANDLE pipe)
{
    FILE_PIPE_PEEK_BUFFER buf;
    IO_STATUS_BLOCK iosb;
    HANDLE event = CreateEventA( NULL, TRUE, FALSE, NULL );
    NTSTATUS status;
 
    memset(&iosb, 0x55, sizeof(iosb));
    status = NtFsControlFile(pipe, NULL, NULL, NULL, &iosb, FSCTL_PIPE_PEEK, NULL, 0, &buf, sizeof(buf));
    ok(!status || status == STATUS_PENDING, "NtFsControlFile failed: %x\n", status);
    ok(!iosb.Status, "iosb.Status = %x\n", iosb.Status);
    ok(buf.ReadDataAvailable == 1, "ReadDataAvailable = %u\n", buf.ReadDataAvailable);
 
    ResetEvent(event);
    memset(&iosb, 0x55, sizeof(iosb));
    status = NtFsControlFile(pipe, event, NULL, NULL, &iosb, FSCTL_PIPE_PEEK, NULL, 0, &buf, sizeof(buf));
    ok(!status || status == STATUS_PENDING, "NtFsControlFile failed: %x\n", status);
    ok(buf.ReadDataAvailable == 1, "ReadDataAvailable = %u\n", buf.ReadDataAvailable);
    ok(!iosb.Status, "iosb.Status = %x\n", iosb.Status);
    ok(is_signaled(event), "event is not signaled\n");
 
    CloseHandle(event);
}
 
#define PIPENAME "\\\\.\\pipe\\ntdll_tests_pipe.c"
 
static BOOL create_pipe_pair( HANDLE *read, HANDLE *write, ULONG flags, ULONG type, ULONG size )
{
    const BOOL server_reader = flags & PIPE_ACCESS_INBOUND;
    HANDLE client, server;
 
    server = CreateNamedPipeA(PIPENAME, flags, PIPE_WAIT | type,
                              1, size, size, NMPWAIT_USE_DEFAULT_WAIT, NULL);
    ok(server != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
 
    client = CreateFileA(PIPENAME, server_reader ? GENERIC_WRITE : GENERIC_READ | FILE_WRITE_ATTRIBUTES, 0,
                         NULL, OPEN_EXISTING, flags & FILE_FLAG_OVERLAPPED, 0);
    ok(client != INVALID_HANDLE_VALUE, "CreateFile failed (%d)\n", GetLastError());
 
    if(server_reader)
    {
        *read = server;
        *write = client;
    }
    else
    {
        if(type & PIPE_READMODE_MESSAGE)
        {
            DWORD read_mode = PIPE_READMODE_MESSAGE;
            ok(SetNamedPipeHandleState(client, &read_mode, NULL, NULL), "Change mode\n");
        }
 
        *read = client;
        *write = server;
    }
    return TRUE;
}
 
static void read_pipe_test(ULONG pipe_flags, ULONG pipe_type)
{
    IO_STATUS_BLOCK iosb, iosb2;
    HANDLE handle, read, write;
    HANDLE event = CreateEventA( NULL, TRUE, FALSE, NULL );
    int apc_count = 0;
    char buffer[128];
    DWORD written;
    BOOL ret;
    NTSTATUS status;
 
    if (!create_pipe_pair( &read, &write, FILE_FLAG_OVERLAPPED | pipe_flags, pipe_type, 4096 )) return;
 
    /* try read with no data */
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    ok( is_signaled( read ), "read handle is not signaled\n" );
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( read ), "read handle is signaled\n" );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    ret = WriteFile( write, buffer, 1, &written, NULL );
    ok(ret && written == 1, "WriteFile error %d\n", GetLastError());
    /* iosb updated here by async i/o */
    ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( !is_signaled( read ), "read handle is signaled\n" );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    apc_count = 0;
    SleepEx( 1, FALSE ); /* non-alertable sleep */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc not called\n" );
 
    /* with no event, the pipe handle itself gets signaled */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    ok( !is_signaled( read ), "read handle is signaled\n" );
    status = NtReadFile( read, 0, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( read ), "read handle is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    ret = WriteFile( write, buffer, 1, &written, NULL );
    ok(ret && written == 1, "WriteFile error %d\n", GetLastError());
    /* iosb updated here by async i/o */
    ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( read ), "read handle is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    apc_count = 0;
    SleepEx( 1, FALSE ); /* non-alertable sleep */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc not called\n" );
 
    /* now read with data ready */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    ResetEvent( event );
    ret = WriteFile( write, buffer, 1, &written, NULL );
    ok(ret && written == 1, "WriteFile error %d\n", GetLastError());
 
    test_peek(read);
 
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_SUCCESS, "wrong status %x\n", status );
    ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, FALSE ); /* non-alertable sleep */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc not called\n" );
 
    /* now partial read with data ready */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    ResetEvent( event );
    ret = WriteFile( write, buffer, 2, &written, NULL );
    ok(ret && written == 2, "WriteFile error %d\n", GetLastError());
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    if (pipe_type & PIPE_READMODE_MESSAGE)
    {
        ok( status == STATUS_BUFFER_OVERFLOW, "wrong status %x\n", status );
        ok( U(iosb).Status == STATUS_BUFFER_OVERFLOW, "wrong status %x\n", U(iosb).Status );
    }
    else
    {
        ok( status == STATUS_SUCCESS, "wrong status %x\n", status );
        ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    }
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, FALSE ); /* non-alertable sleep */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc not called\n" );
    apc_count = 0;
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_SUCCESS, "wrong status %x\n", status );
    ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, FALSE ); /* non-alertable sleep */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc not called\n" );
 
    /* try read with no data */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    ok( is_signaled( event ), "event is not signaled\n" ); /* check that read resets the event */
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    ret = WriteFile( write, buffer, 1, &written, NULL );
    ok(ret && written == 1, "WriteFile error %d\n", GetLastError());
    /* partial read is good enough */
    Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( U(iosb).Status == 0, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 1, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc was not called\n" );
 
    /* read from disconnected pipe */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    CloseHandle( write );
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_PIPE_BROKEN, "wrong status %x\n", status );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( !apc_count, "apc was called\n" );
    CloseHandle( read );
 
    /* read from disconnected pipe, with invalid event handle */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    status = NtReadFile( read, (HANDLE)0xdeadbeef, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_INVALID_HANDLE, "wrong status %x\n", status );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( !apc_count, "apc was called\n" );
    CloseHandle( read );
 
    /* read from closed handle */
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    SetEvent( event );
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 1, NULL, NULL );
    ok( status == STATUS_INVALID_HANDLE, "wrong status %x\n", status );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );  /* not reset on invalid handle */
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( !apc_count, "apc was called\n" );
 
    /* disconnect while async read is in progress */
    if (!create_pipe_pair( &read, &write, FILE_FLAG_OVERLAPPED | pipe_flags, pipe_type, 4096 )) return;
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    CloseHandle( write );
    Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
    ok( U(iosb).Status == STATUS_PIPE_BROKEN, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc was not called\n" );
    CloseHandle( read );
 
    if (!create_pipe_pair( &read, &write, FILE_FLAG_OVERLAPPED | pipe_flags, pipe_type, 4096 )) return;
    ret = DuplicateHandle(GetCurrentProcess(), read, GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS);
    ok(ret, "Failed to duplicate handle: %d\n", GetLastError());
 
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    status = NtReadFile( handle, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    /* Cancel by other handle */
    status = pNtCancelIoFile( read, &iosb2 );
    ok(status == STATUS_SUCCESS, "failed to cancel by different handle: %x\n", status);
    Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
    ok( U(iosb).Status == STATUS_CANCELLED, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc was not called\n" );
 
    apc_count = 0;
    U(iosb).Status = 0xdeadbabe;
    iosb.Information = 0xdeadbeef;
    status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
    ok( status == STATUS_PENDING, "wrong status %x\n", status );
    ok( !is_signaled( event ), "event is signaled\n" );
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    ok( !apc_count, "apc was called\n" );
    /* Close queued handle */
    CloseHandle( read );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
    status = pNtCancelIoFile( read, &iosb2 );
    ok(status == STATUS_INVALID_HANDLE, "cancelled by closed handle?\n");
    status = pNtCancelIoFile( handle, &iosb2 );
    ok(status == STATUS_SUCCESS, "failed to cancel: %x\n", status);
    Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
    ok( U(iosb).Status == STATUS_CANCELLED, "wrong status %x\n", U(iosb).Status );
    ok( iosb.Information == 0, "wrong info %lu\n", iosb.Information );
    ok( is_signaled( event ), "event is not signaled\n" );
    ok( !apc_count, "apc was called\n" );
    SleepEx( 1, TRUE ); /* alertable sleep */
    ok( apc_count == 1, "apc was not called\n" );
    CloseHandle( handle );
    CloseHandle( write );
 
    if (pNtCancelIoFileEx)
    {
        /* Basic Cancel Ex */
        if (!create_pipe_pair( &read, &write, FILE_FLAG_OVERLAPPED | pipe_flags, pipe_type, 4096 )) return;
 
        apc_count = 0;
        U(iosb).Status = 0xdeadbabe;
        iosb.Information = 0xdeadbeef;
        status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
        ok( status == STATUS_PENDING, "wrong status %x\n", status );
        ok( !is_signaled( event ), "event is signaled\n" );
        ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
        ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
        ok( !apc_count, "apc was called\n" );
        status = pNtCancelIoFileEx( read, &iosb, &iosb2 );
        ok(status == STATUS_SUCCESS, "Failed to cancel I/O\n");
        Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
        ok( U(iosb).Status == STATUS_CANCELLED, "wrong status %x\n", U(iosb).Status );
        ok( iosb.Information == 0, "wrong info %lu\n", iosb.Information );
        ok( is_signaled( event ), "event is not signaled\n" );
        ok( !apc_count, "apc was called\n" );
        SleepEx( 1, TRUE ); /* alertable sleep */
        ok( apc_count == 1, "apc was not called\n" );
 
        /* Duplicate iosb */
        apc_count = 0;
        U(iosb).Status = 0xdeadbabe;
        iosb.Information = 0xdeadbeef;
        status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
        ok( status == STATUS_PENDING, "wrong status %x\n", status );
        ok( !is_signaled( event ), "event is signaled\n" );
        ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
        ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
        ok( !apc_count, "apc was called\n" );
        status = NtReadFile( read, event, apc, &apc_count, &iosb, buffer, 2, NULL, NULL );
        ok( status == STATUS_PENDING, "wrong status %x\n", status );
        ok( !is_signaled( event ), "event is signaled\n" );
        ok( U(iosb).Status == 0xdeadbabe, "wrong status %x\n", U(iosb).Status );
        ok( iosb.Information == 0xdeadbeef, "wrong info %lu\n", iosb.Information );
        ok( !apc_count, "apc was called\n" );
        status = pNtCancelIoFileEx( read, &iosb, &iosb2 );
        ok(status == STATUS_SUCCESS, "Failed to cancel I/O\n");
        Sleep(1);  /* FIXME: needed for wine to run the i/o apc  */
        ok( U(iosb).Status == STATUS_CANCELLED, "wrong status %x\n", U(iosb).Status );
        ok( iosb.Information == 0, "wrong info %lu\n", iosb.Information );
        ok( is_signaled( event ), "event is not signaled\n" );
        ok( !apc_count, "apc was called\n" );
        SleepEx( 1, TRUE ); /* alertable sleep */
        ok( apc_count == 2, "apc was not called\n" );
 
        CloseHandle( read );
        CloseHandle( write );
    }
    else
        win_skip("NtCancelIoFileEx not available\n");
 
    CloseHandle(event);
}
 
static void test_volume_info(void)
{
    FILE_FS_DEVICE_INFORMATION *device_info;
    IO_STATUS_BLOCK iosb;
    HANDLE read, write;
    char buffer[128];
    NTSTATUS status;
 
    if (!create_pipe_pair( &read, &write, FILE_FLAG_OVERLAPPED | PIPE_ACCESS_INBOUND,
                           PIPE_TYPE_MESSAGE, 4096 )) return;
 
    memset( buffer, 0xaa, sizeof(buffer) );
    status = pNtQueryVolumeInformationFile( read, &iosb, buffer, sizeof(buffer), FileFsDeviceInformation );
    ok( status == STATUS_SUCCESS, "NtQueryVolumeInformationFile failed: %x\n", status );
    ok( iosb.Information == sizeof(*device_info), "Information = %lu\n", iosb.Information );
    device_info = (FILE_FS_DEVICE_INFORMATION*)buffer;
    ok( device_info->DeviceType == FILE_DEVICE_NAMED_PIPE, "DeviceType = %u\n", device_info->DeviceType );
    ok( !(device_info->Characteristics & ~FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL),
        "Characteristics = %x\n", device_info->Characteristics );
 
    memset( buffer, 0xaa, sizeof(buffer) );
    status = pNtQueryVolumeInformationFile( write, &iosb, buffer, sizeof(buffer), FileFsDeviceInformation );
    ok( status == STATUS_SUCCESS, "NtQueryVolumeInformationFile failed: %x\n", status );
    ok( iosb.Information == sizeof(*device_info), "Information = %lu\n", iosb.Information );
    device_info = (FILE_FS_DEVICE_INFORMATION*)buffer;
    ok( device_info->DeviceType == FILE_DEVICE_NAMED_PIPE, "DeviceType = %u\n", device_info->DeviceType );
    ok( !(device_info->Characteristics & ~FILE_DEVICE_ALLOW_APPCONTAINER_TRAVERSAL),
        "Characteristics = %x\n", device_info->Characteristics );
 
    CloseHandle( read );
    CloseHandle( write );
}
 
#define test_file_name_fail(a,b) _test_file_name_fail(__LINE__,a,b)
static void _test_file_name_fail(unsigned line, HANDLE pipe, NTSTATUS expected_status)
{
    char buffer[512];
    IO_STATUS_BLOCK iosb;
    NTSTATUS status;
 
    status = NtQueryInformationFile( pipe, &iosb, buffer, sizeof(buffer), FileNameInformation );
    ok_(__FILE__,line)( status == expected_status, "NtQueryInformationFile failed: %x, expected %x\n",
                        status, expected_status );
}
 
#define test_file_name(a) _test_file_name(__LINE__,a)
static void _test_file_name(unsigned line, HANDLE pipe)
{
    char buffer[512];
    FILE_NAME_INFORMATION *name_info = (FILE_NAME_INFORMATION*)buffer;
    IO_STATUS_BLOCK iosb;
    NTSTATUS status;
 
    static const WCHAR nameW[] =
        {'\\','n','t','d','l','l','_','t','e','s','t','s','_','p','i','p','e','.','c'};
 
    memset( buffer, 0xaa, sizeof(buffer) );
    memset( &iosb, 0xaa, sizeof(iosb) );
    status = NtQueryInformationFile( pipe, &iosb, buffer, sizeof(buffer), FileNameInformation );
    ok_(__FILE__,line)( status == STATUS_SUCCESS, "NtQueryInformationFile failed: %x\n", status );
    ok_(__FILE__,line)( iosb.Status == STATUS_SUCCESS, "Status = %x\n", iosb.Status );
    ok_(__FILE__,line)( iosb.Information == sizeof(name_info->FileNameLength) + sizeof(nameW),
        "Information = %lu\n", iosb.Information );
    ok( name_info->FileNameLength == sizeof(nameW), "FileNameLength = %u\n", name_info->FileNameLength );
    ok( !memcmp(name_info->FileName, nameW, sizeof(nameW)), "FileName = %s\n", wine_dbgstr_w(name_info->FileName) );
 
    /* too small buffer */
    memset( buffer, 0xaa, sizeof(buffer) );
    memset( &iosb, 0xaa, sizeof(iosb) );
    status = NtQueryInformationFile( pipe, &iosb, buffer, 20, FileNameInformation );
    ok( status == STATUS_BUFFER_OVERFLOW, "NtQueryInformationFile failed: %x\n", status );
    ok( iosb.Status == STATUS_BUFFER_OVERFLOW, "Status = %x\n", iosb.Status );
    ok( iosb.Information == 20, "Information = %lu\n", iosb.Information );
    ok( name_info->FileNameLength == sizeof(nameW), "FileNameLength = %u\n", name_info->FileNameLength );
    ok( !memcmp(name_info->FileName, nameW, 16), "FileName = %s\n", wine_dbgstr_w(name_info->FileName) );
 
    /* too small buffer */
    memset( buffer, 0xaa, sizeof(buffer) );
    memset( &iosb, 0xaa, sizeof(iosb) );
    status = NtQueryInformationFile( pipe, &iosb, buffer, 4, FileNameInformation );
    ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryInformationFile failed: %x\n", status );
}
 
static void test_file_info(void)
{
    HANDLE server, client;
 
    if (!create_pipe_pair( &server, &client, FILE_FLAG_OVERLAPPED | PIPE_ACCESS_INBOUND,
                           PIPE_TYPE_MESSAGE, 4096 )) return;
 
    test_file_name( client );
    test_file_name( server );
 
    DisconnectNamedPipe( server );
    test_file_name_fail( client, STATUS_PIPE_DISCONNECTED );
 
    CloseHandle( server );
    CloseHandle( client );
}
 
static PSECURITY_DESCRIPTOR get_security_descriptor(HANDLE handle, BOOL todo)
{
    SECURITY_DESCRIPTOR *sec_desc;
    ULONG length = 0;
    NTSTATUS status;
 
    status = NtQuerySecurityObject(handle, GROUP_SECURITY_INFORMATION | OWNER_SECURITY_INFORMATION,
                                   NULL, 0, &length);
    todo_wine_if(todo && status == STATUS_PIPE_DISCONNECTED)
    ok(status == STATUS_BUFFER_TOO_SMALL,
       "Failed to query object security descriptor length: %08x\n", status);
    if(status != STATUS_BUFFER_TOO_SMALL) return NULL;
    ok(length != 0, "length = 0\n");
 
    sec_desc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, length);
    status = NtQuerySecurityObject(handle, GROUP_SECURITY_INFORMATION | OWNER_SECURITY_INFORMATION,
                                   sec_desc, length, &length);
    ok(status == STATUS_SUCCESS, "Failed to query object security descriptor: %08x\n", status);
 
    return sec_desc;
}
 
static TOKEN_OWNER *get_current_owner(void)
{
    TOKEN_OWNER *owner;
    ULONG length = 0;
    HANDLE token;
    BOOL ret;
 
    ret = OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &token);
    ok(ret, "Failed to get process token: %u\n", GetLastError());
 
    ret = GetTokenInformation(token, TokenOwner, NULL, 0, &length);
    ok(!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
       "GetTokenInformation failed: %u\n", GetLastError());
    ok(length != 0, "Failed to get token owner information length: %u\n", GetLastError());
 
    owner = HeapAlloc(GetProcessHeap(), 0, length);
    ret = GetTokenInformation(token, TokenOwner, owner, length, &length);
    ok(ret, "Failed to get token owner information: %u)\n", GetLastError());
 
    CloseHandle(token);
    return owner;
}
 
static TOKEN_PRIMARY_GROUP *get_current_group(void)
{
    TOKEN_PRIMARY_GROUP *group;
    ULONG length = 0;
    HANDLE token;
    BOOL ret;
 
    ret = OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &token);
    ok(ret, "Failed to get process token: %u\n", GetLastError());
 
    ret = GetTokenInformation(token, TokenPrimaryGroup, NULL, 0, &length);
    ok(!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
       "GetTokenInformation failed: %u\n", GetLastError());
    ok(length != 0, "Failed to get primary group token information length: %u\n", GetLastError());
 
    group = HeapAlloc(GetProcessHeap(), 0, length);
    ret = GetTokenInformation(token, TokenPrimaryGroup, group, length, &length);
    ok(ret, "Failed to get primary group token information: %u\n", GetLastError());
 
    CloseHandle(token);
    return group;
}
 
static SID *well_known_sid(WELL_KNOWN_SID_TYPE sid_type)
{
    DWORD size = SECURITY_MAX_SID_SIZE;
    SID *sid;
    BOOL ret;
 
    sid = HeapAlloc(GetProcessHeap(), 0, size);
    ret = CreateWellKnownSid(sid_type, NULL, sid, &size);
    ok(ret, "CreateWellKnownSid failed: %u\n", GetLastError());
    return sid;
}
 
#define test_group(a,b,c) _test_group(__LINE__,a,b,c)
static void _test_group(unsigned line, HANDLE handle, SID *expected_sid, BOOL todo)
{
    SECURITY_DESCRIPTOR *sec_desc;
    BOOLEAN defaulted;
    PSID group_sid;
    NTSTATUS status;
 
    sec_desc = get_security_descriptor(handle, todo);
    if (!sec_desc) return;
 
    status = RtlGetGroupSecurityDescriptor(sec_desc, &group_sid, &defaulted);
    ok_(__FILE__,line)(status == STATUS_SUCCESS,
                       "Failed to query group from security descriptor: %08x\n", status);
    todo_wine_if(todo)
    ok_(__FILE__,line)(EqualSid(group_sid, expected_sid), "SIDs are not equal\n");
 
    HeapFree(GetProcessHeap(), 0, sec_desc);
}
 
static void test_security_info(void)
{
    char sec_desc[SECURITY_DESCRIPTOR_MIN_LENGTH];
    TOKEN_PRIMARY_GROUP *process_group;
    SECURITY_ATTRIBUTES sec_attr;
    TOKEN_OWNER *process_owner;
    HANDLE server, client, server2;
    SID *world_sid, *local_sid;
    ULONG length;
    NTSTATUS status;
    BOOL ret;
 
    trace("security tests...\n");
 
    process_owner = get_current_owner();
    process_group = get_current_group();
    world_sid = well_known_sid(WinWorldSid);
    local_sid = well_known_sid(WinLocalSid);
 
    ret = InitializeSecurityDescriptor(sec_desc, SECURITY_DESCRIPTOR_REVISION);
    ok(ret, "InitializeSecurityDescriptor failed\n");
 
    ret = SetSecurityDescriptorOwner(sec_desc, process_owner->Owner, FALSE);
    ok(ret, "SetSecurityDescriptorOwner failed\n");
 
    ret = SetSecurityDescriptorGroup(sec_desc, process_group->PrimaryGroup, FALSE);
    ok(ret, "SetSecurityDescriptorGroup failed\n");
 
    server = CreateNamedPipeA(PIPENAME, PIPE_ACCESS_DUPLEX | WRITE_OWNER, PIPE_TYPE_BYTE, 10,
                              0x20000, 0x20000, 0, NULL);
    ok(server != INVALID_HANDLE_VALUE, "CreateNamedPipe failed: %u\n", GetLastError());
 
    client = CreateFileA(PIPENAME, GENERIC_ALL, 0, NULL, OPEN_EXISTING, 0, NULL);
    ok(client != INVALID_HANDLE_VALUE, "CreateFile failed: %u\n", GetLastError());
 
    test_group(server, process_group->PrimaryGroup, TRUE);
    test_group(client, process_group->PrimaryGroup, TRUE);
 
    /* set server group, client changes as well */
    ret = SetSecurityDescriptorGroup(sec_desc, world_sid, FALSE);
    ok(ret, "SetSecurityDescriptorGroup failed\n");
    status = NtSetSecurityObject(server, GROUP_SECURITY_INFORMATION, sec_desc);
    ok(status == STATUS_SUCCESS, "NtSetSecurityObject failed: %08x\n", status);
 
    test_group(server, world_sid, FALSE);
    test_group(client, world_sid, FALSE);
 
    /* new instance of pipe server has the same security descriptor */
    server2 = CreateNamedPipeA(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE, 10,
                               0x20000, 0x20000, 0, NULL);
    ok(server2 != INVALID_HANDLE_VALUE, "CreateNamedPipe failed: %u\n", GetLastError());
    test_group(server2, world_sid, FALSE);
 
    /* set client group, server changes as well */
    ret = SetSecurityDescriptorGroup(sec_desc, local_sid, FALSE);
    ok(ret, "SetSecurityDescriptorGroup failed\n");
    status = NtSetSecurityObject(server, GROUP_SECURITY_INFORMATION, sec_desc);
    ok(status == STATUS_SUCCESS, "NtSetSecurityObject failed: %08x\n", status);
 
    test_group(server, local_sid, FALSE);
    test_group(client, local_sid, FALSE);
    test_group(server2, local_sid, FALSE);
 
    CloseHandle(server);
    /* SD is preserved after closing server object */
    test_group(client, local_sid, TRUE);
    CloseHandle(client);
 
    server = server2;
    client = CreateFileA(PIPENAME, GENERIC_ALL, 0, NULL, OPEN_EXISTING, 0, NULL);
    ok(client != INVALID_HANDLE_VALUE, "CreateFile failed: %u\n", GetLastError());
 
    test_group(client, local_sid, FALSE);
 
    ret = DisconnectNamedPipe(server);
    ok(ret, "DisconnectNamedPipe failed: %u\n", GetLastError());
 
    /* disconnected server may be queried for security info, but client does not */
    test_group(server, local_sid, FALSE);
    status = NtQuerySecurityObject(client, GROUP_SECURITY_INFORMATION | OWNER_SECURITY_INFORMATION,
                                   NULL, 0, &length);
    ok(status == STATUS_PIPE_DISCONNECTED, "NtQuerySecurityObject returned %08x\n", status);
    status = NtSetSecurityObject(client, GROUP_SECURITY_INFORMATION, sec_desc);
    ok(status == STATUS_PIPE_DISCONNECTED, "NtQuerySecurityObject returned %08x\n", status);
 
    /* attempting to create another pipe instance with specified sd fails */
    sec_attr.nLength = sizeof(sec_attr);
    sec_attr.lpSecurityDescriptor = sec_desc;
    sec_attr.bInheritHandle = FALSE;
    ret = SetSecurityDescriptorGroup(sec_desc, local_sid, FALSE);
    ok(ret, "SetSecurityDescriptorGroup failed\n");
    server2 = CreateNamedPipeA(PIPENAME, PIPE_ACCESS_DUPLEX | WRITE_OWNER, PIPE_TYPE_BYTE, 10,
                               0x20000, 0x20000, 0, &sec_attr);
    todo_wine
    ok(server2 == INVALID_HANDLE_VALUE && GetLastError() == ERROR_ACCESS_DENIED,
       "CreateNamedPipe failed: %u\n", GetLastError());
    if (server2 != INVALID_HANDLE_VALUE) CloseHandle(server2);
 
    CloseHandle(server);
    CloseHandle(client);
 
    server = CreateNamedPipeA(PIPENAME, PIPE_ACCESS_DUPLEX | WRITE_OWNER, PIPE_TYPE_BYTE, 10,
                              0x20000, 0x20000, 0, &sec_attr);
    ok(server != INVALID_HANDLE_VALUE, "CreateNamedPipe failed: %u\n", GetLastError());
    test_group(server, local_sid, FALSE);
    CloseHandle(server);
 
    HeapFree(GetProcessHeap(), 0, process_owner);
    HeapFree(GetProcessHeap(), 0, process_group);
    HeapFree(GetProcessHeap(), 0, world_sid);
    HeapFree(GetProcessHeap(), 0, local_sid);
}
 
START_TEST(pipe)
{
    if (!init_func_ptrs())
        return;
 
    trace("starting invalid create tests\n");
    test_create_invalid();
 
    trace("starting create tests\n");
    test_create();
 
    trace("starting overlapped tests\n");
    test_overlapped();
 
    trace("starting completion tests\n");
    test_completion();
 
    trace("starting FILE_PIPE_INFORMATION tests\n");
    test_filepipeinfo();
 
    if (!pOpenThread || !pQueueUserAPC)
        return;
 
    trace("starting alertable tests\n");
    test_alertable();
 
    trace("starting nonalertable tests\n");
    test_nonalertable();
 
    trace("starting cancelio tests\n");
    test_cancelio();
 
    trace("starting byte read in byte mode client -> server\n");
    read_pipe_test(PIPE_ACCESS_INBOUND, PIPE_TYPE_BYTE);
    trace("starting byte read in message mode client -> server\n");
    read_pipe_test(PIPE_ACCESS_INBOUND, PIPE_TYPE_MESSAGE);
    trace("starting message read in message mode client -> server\n");
    read_pipe_test(PIPE_ACCESS_INBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE);
    trace("starting byte read in byte mode server -> client\n");
    read_pipe_test(PIPE_ACCESS_OUTBOUND, PIPE_TYPE_BYTE);
    trace("starting byte read in message mode server -> client\n");
    read_pipe_test(PIPE_ACCESS_OUTBOUND, PIPE_TYPE_MESSAGE);
    trace("starting message read in message mode server -> client\n");
    read_pipe_test(PIPE_ACCESS_OUTBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE);
 
    test_volume_info();
    test_file_info();
    test_security_info();
}