Jacek Caban : ntdll: Always use server ioctl for FSCTL_PIPE_PEEK.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1e87417e7f4bd2d995e67113b5562c67329b5656
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1e87417e7f4bd2d995e67113b5...

Author: Jacek Caban 
Date:   Thu Oct  5 14:30:36 2017 +0200

ntdll: Always use server ioctl for FSCTL_PIPE_PEEK.

Signed-off-by: Jacek Caban 
Signed-off-by: Alexandre Julliard

---

dlls/ntdll/file.c       | 63 -------------------------------------------------
 dlls/ntdll/tests/file.c |  8 +++++++
 2 files changed, 8 insertions(+), 63 deletions(-)

diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 217b678..35fd2c1 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -1699,69 +1699,6 @@ NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc
         if (!status) status = DIR_unmount_device( handle );
         return status;

-    case FSCTL_PIPE_PEEK:
-        {
-            FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
-            int avail = 0, fd, needs_close;
-
-            if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
-            {
-                status = STATUS_INFO_LENGTH_MISMATCH;
-                break;
-            }
-
-            if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
-            {
-                if (status == STATUS_BAD_DEVICE_TYPE)
-                    return server_ioctl_file( handle, event, apc, apc_context, io, code,
-                                              in_buffer, in_size, out_buffer, out_size );
-                break;
-            }
-
-#ifdef FIONREAD
-            if (ioctl( fd, FIONREAD, &avail ) != 0)
-            {
-                TRACE("FIONREAD failed reason: %s\n",strerror(errno));
-                if (needs_close) close( fd );
-                status = FILE_GetNtStatus();
-                break;
-            }
-#endif
-            if (!avail)  /* check for closed pipe */
-            {
-                struct pollfd pollfd;
-                int ret;
-
-                pollfd.fd = fd;
-                pollfd.events = POLLIN;
-                pollfd.revents = 0;
-                ret = poll( &pollfd, 1, 0 );
-                if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
-                {
-                    if (needs_close) close( fd );
-                    status = STATUS_PIPE_BROKEN;
-                    break;
-                }
-            }
-            buffer->NamedPipeState    = 0;  /* FIXME */
-            buffer->ReadDataAvailable = avail;
-            buffer->NumberOfMessages  = 0;  /* FIXME */
-            buffer->MessageLength     = 0;  /* FIXME */
-            io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
-            status = STATUS_SUCCESS;
-            if (avail)
-            {
-                ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
-                if (data_size)
-                {
-                    int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
-                    if (res >= 0) io->Information += res;
-                }
-            }
-            if (needs_close) close( fd );
-        }
-        break;
-
     case FSCTL_PIPE_DISCONNECT:
         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
                                     in_buffer, in_size, out_buffer, out_size );
diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index ff27d98..f88d16b 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -4179,6 +4179,7 @@ static void test_read_write(void)
 static void test_ioctl(void)
 {
     HANDLE event = CreateEventA(NULL, TRUE, FALSE, NULL);
+    FILE_PIPE_PEEK_BUFFER peek_buf;
     IO_STATUS_BLOCK iosb;
     HANDLE file;
     NTSTATUS status;
@@ -4195,6 +4196,13 @@ static void test_ioctl(void)
     status = pNtFsControlFile(file, (HANDLE)0xdeadbeef, NULL, NULL, &iosb, 0xdeadbeef, 0, 0, 0, 0);
     ok(status == STATUS_INVALID_HANDLE, "NtFsControlFile returned %x\n", status);

+    memset(&iosb, 0x55, sizeof(iosb));
+    status = NtFsControlFile(file, NULL, NULL, NULL, &iosb, FSCTL_PIPE_PEEK, NULL, 0,
+                             &peek_buf, sizeof(peek_buf));
+    todo_wine
+    ok(status == STATUS_INVALID_DEVICE_REQUEST, "NtFsControlFile failed: %x\n", status);
+    ok(iosb.Status == 0x55555555, "iosb.Status = %x\n", iosb.Status);
+
     CloseHandle(event);
     CloseHandle(file);
 }