From 45dcc8afe2b6fe75519c58f9eda89c3a1db5906d Mon Sep 17 00:00:00 2001 From: midipix Date: Sun, 17 Jun 2018 09:31:11 -0400 Subject: tty client-side interfaces(): added ntapi_tty_query_server_pts_slot_info(). --- src/tty/ntapi_tty_query_server_pts_slot_info.c | 50 ++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 src/tty/ntapi_tty_query_server_pts_slot_info.c (limited to 'src/tty') diff --git a/src/tty/ntapi_tty_query_server_pts_slot_info.c b/src/tty/ntapi_tty_query_server_pts_slot_info.c new file mode 100644 index 0000000..228cf1c --- /dev/null +++ b/src/tty/ntapi_tty_query_server_pts_slot_info.c @@ -0,0 +1,50 @@ +/********************************************************/ +/* ntapi: Native API core library */ +/* Copyright (C) 2013--2018 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */ +/********************************************************/ + +#include +#include +#include +#include "ntapi_impl.h" + +#define __MSGBUF_ELEMENTS (NT_LPC_MAX_MSG_DATA_SIZE/sizeof(size_t)) + 1 + +int32_t __stdcall __ntapi_tty_query_server_pts_slot_info( + __in void * hport, + __out nt_tty_pts_slot_info * pts_slot_info, + __in intptr_t blkidx) +{ + int32_t status; + nt_tty_server_msg * msg; + uintptr_t msgbuf[__MSGBUF_ELEMENTS]; + + __ntapi->tt_aligned_block_memset( + msgbuf,0, + sizeof(msgbuf)); + + msg = (nt_tty_server_msg *)msgbuf; + msg->header.msg_type = NT_LPC_NEW_MESSAGE; + msg->header.data_size = sizeof(msg->data); + msg->header.msg_size = sizeof(*msg); + msg->data.ttyinfo.exarg = (void *)blkidx; + msg->data.ttyinfo.opcode = NT_TTY_QUERY_INFORMATION_SERVER; + msg->data.srvinfo.info_class = NT_TTY_SERVER_PTS_SLOT_INFORMATION; + + if ((status = __ntapi->zw_request_wait_reply_port(hport,msg,msg))) + return status; + + else if (msg->data.ttyinfo.status) + return msg->data.ttyinfo.status; + + if (sizeof(*pts_slot_info) < msg->data.srvinfo.info_length) + return NT_STATUS_INTERNAL_ERROR; + + __ntapi->tt_generic_memcpy( + pts_slot_info, + msg->data.srvinfo.info_buffer, + msg->data.srvinfo.info_length); + + return NT_STATUS_SUCCESS; +} -- cgit v1.2.3