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server: Forbid accepting into the same socket more than once. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-10-19 11:21:20 -05:00 committed by Alexandre Julliard
parent 93fb921ca7
commit b9f8adb243
2 changed files with 8 additions and 15 deletions
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16
dlls/ws2_32/tests/sock.c
View File

@ -7554,23 +7554,9 @@ todo_wine
bret = pAcceptEx(listener, acceptor, buffer, 0,
sizeof(struct sockaddr_in) + 16, sizeof(struct sockaddr_in) + 16,
&bytesReturned, &overlapped);
todo_wine ok(bret == FALSE && WSAGetLastError() == WSAEINVAL,
ok(bret == FALSE && WSAGetLastError() == WSAEINVAL,
"AcceptEx on already pending socket returned %d + errno %d\n", bret, WSAGetLastError());
ok(overlapped.Internal == STATUS_PENDING, "got %08x\n", (ULONG)overlapped.Internal);
if (bret == FALSE && WSAGetLastError() == ERROR_IO_PENDING) {
/* We need to cancel this call, otherwise things fail */
bret = CancelIo((HANDLE) listener);
ok(bret, "Failed to cancel failed test. Bailing...\n");
if (!bret) return;
WaitForSingleObject(overlapped.hEvent, 0);
overlapped.Internal = 0xdeadbeef;
bret = pAcceptEx(listener, acceptor, buffer, 0,
sizeof(struct sockaddr_in) + 16, sizeof(struct sockaddr_in) + 16,
&bytesReturned, &overlapped);
ok(bret == FALSE && WSAGetLastError() == ERROR_IO_PENDING, "AcceptEx returned %d + errno %d\n", bret, WSAGetLastError());
ok(overlapped.Internal == STATUS_PENDING, "got %08x\n", (ULONG)overlapped.Internal);
}
iret = connect(acceptor, (struct sockaddr*)&bindAddress, sizeof(bindAddress));
todo_wine ok(iret == SOCKET_ERROR && WSAGetLastError() == WSAEINVAL,

7
server/sock.c
View File

@ -1463,6 +1463,13 @@ static int sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
if (!(acceptsock = (struct sock *)get_handle_obj( current->process, params->accept_handle, access, &sock_ops )))
return 0;
if (acceptsock->accept_recv_req)
{
release_object( acceptsock );
set_win32_error( WSAEINVAL );
return 0;
}
if (!(req = alloc_accept_req( acceptsock, async, params ))) return 0;
list_add_tail( &sock->accept_list, &req->entry );
acceptsock->accept_recv_req = req;