Blame src/afl/ntapi_afl_ioctl.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_file.h>
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#include <ntapi/nt_string.h>
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#include <ntapi/nt_atomic.h>
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#include <ntapi/nt_port.h>
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#include <ntapi/nt_ipc.h>
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#include <ntapi/nt_afl.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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int32_t	__stdcall __ntapi_afl_ioctl(
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	__in	nt_afl_info *		afl,
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	__in	void *			hevent			__optional,
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	__in	nt_io_apc_routine *	apc_routine		__optional,
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	__in	void *			apc_context		__optional,
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	__out	nt_iosb *		iosb,
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	__in	uint32_t		io_control_code,
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	__in	void *			input_buffer		__optional,
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	__in	uint32_t		input_buffer_length,
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	__out	void *			output_buffer		__optional,
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	__in	uint32_t		output_buffer_length)
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{
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	int32_t			status;
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	nt_afl_info_msg		msg;
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	nt_afl_op *		aflop;
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	/* validate */
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	if (io_control_code)
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		return NT_STATUS_NOT_SUPPORTED;
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	else if (!iosb)
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		return NT_STATUS_INVALID_PARAMETER;
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	else if (!(aflop = (nt_afl_op *)input_buffer))
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		return NT_STATUS_INVALID_PARAMETER;
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	else if (input_buffer_length != sizeof(nt_afl_op))
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		return NT_STATUS_INFO_LENGTH_MISMATCH;
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	if (output_buffer)
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		if (output_buffer_length < sizeof(nt_afl_op))
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			return NT_STATUS_BUFFER_TOO_SMALL;
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	/* msg */
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	__ntapi->tt_aligned_block_memset(
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		&msg,0,sizeof(msg));
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	__ntapi->tt_guid_copy(
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		&msg.data.aflinfo.afldev,
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		&afl->afldev);
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	msg.header.msg_type		= NT_LPC_NEW_MESSAGE;
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	msg.header.data_size		= sizeof(msg.data);
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	msg.header.msg_size		= sizeof(msg);
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	msg.data.ttyinfo.opcode		= NT_TTY_AFL_IOCTL;
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	msg.data.aflinfo.l_fileid	= aflop->l_fileid;
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	msg.data.aflinfo.l_start	= aflop->l_start;
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	msg.data.aflinfo.l_len		= aflop->l_len;
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	msg.data.aflinfo.l_pid		= aflop->l_pid;
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	msg.data.aflinfo.l_cmd		= aflop->l_cmd;
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	msg.data.aflinfo.hevent		= hevent;
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	msg.data.aflinfo.apc_routine	= apc_routine;
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	msg.data.aflinfo.apc_context	= apc_context;
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	msg.data.aflinfo.riosb		= iosb;
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	if ((status = __ntapi->zw_request_wait_reply_port(afl->hport,&msg,&msg)))
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		return status;
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	else if (msg.data.ttyinfo.status)
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		return msg.data.ttyinfo.status;
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	iosb->status = NT_STATUS_SUCCESS;
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	iosb->info   = msg.data.aflinfo.ntiosb.info;
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	if (msg.data.aflinfo.ntiosb.info && output_buffer) {
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		aflop = (nt_afl_op *)output_buffer;
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		aflop->l_fileid = msg.data.aflinfo.l_fileid;
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		aflop->l_start  = msg.data.aflinfo.l_start;
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		aflop->l_len    = msg.data.aflinfo.l_len;
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		aflop->l_pid    = msg.data.aflinfo.l_pid;
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		aflop->l_cmd    = msg.data.aflinfo.l_cmd;
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	}
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	return NT_STATUS_SUCCESS;
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}