don't ask for generic read access rights in WaitNamedPipe

svn path=/trunk/; revision=18915
This commit is contained in:
Thomas Bluemel 2005-10-31 19:39:22 +00:00
parent eea652f412
commit 52e523d86c

View file

@ -128,22 +128,15 @@ CreateNamedPipeW(LPCWSTR lpName,
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) if (!(dwOpenMode & FILE_FLAG_OVERLAPPED))
CreateOptions |= FILE_SYNCHRONOUS_IO_NONALERT; CreateOptions |= FILE_SYNCHRONOUS_IO_NONALERT;
switch (dwOpenMode & PIPE_ACCESS_DUPLEX) if (dwOpenMode & PIPE_ACCESS_INBOUND)
{ {
case PIPE_ACCESS_INBOUND:
ShareAccess |= FILE_SHARE_WRITE; ShareAccess |= FILE_SHARE_WRITE;
DesiredAccess |= GENERIC_READ; DesiredAccess |= GENERIC_READ;
break; }
if (dwOpenMode & PIPE_ACCESS_OUTBOUND)
case PIPE_ACCESS_OUTBOUND: {
ShareAccess |= FILE_SHARE_READ; ShareAccess |= FILE_SHARE_READ;
DesiredAccess |= GENERIC_WRITE; DesiredAccess |= GENERIC_WRITE;
break;
case PIPE_ACCESS_DUPLEX:
ShareAccess |= FILE_SHARE_READ | FILE_SHARE_WRITE;
DesiredAccess |= GENERIC_READ | GENERIC_WRITE;
break;
} }
if (dwPipeMode & PIPE_TYPE_MESSAGE) if (dwPipeMode & PIPE_TYPE_MESSAGE)
@ -243,7 +236,7 @@ WaitNamedPipeW(LPCWSTR lpNamedPipeName,
NULL, NULL,
NULL); NULL);
Status = NtOpenFile(&FileHandle, Status = NtOpenFile(&FileHandle,
FILE_GENERIC_READ, FILE_READ_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes, &ObjectAttributes,
&Iosb, &Iosb,
FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,