Blame src/client/toks_client_connect.c

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/*********************************************************/
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/*  toksvc: a framework-native token broker service      */
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/*  Copyright (C) 2020  Z. Gilboa                        */
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/*  Released under GPLv2 and GPLv3; see COPYING.TOKSVC.  */
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/*********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/ntapi.h>
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#include <toksvc/toksvc.h>
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#include "toksvc_driver_impl.h"
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#include "toksvc_daemon_impl.h"
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int32_t toks_client_connect(struct toks_driver_ctx * dctx)
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{
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	int32_t			status;
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	void *			hsvclink;
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	void *			hservice;
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	void *			hserver;
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	struct _nt_tty_sync_msg msg;
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	nt_unicode_string	name;
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	nt_guid_str_utf16	guid;
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	nt_oa			oa;
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	nt_sqos			sqos = {
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					sizeof(sqos),
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					NT_SECURITY_ANONYMOUS,
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					NT_SECURITY_TRACKING_STATIC,
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					1};
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	ntapi->tt_guid_to_string_utf16(
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		toks_get_driver_guid(dctx),
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		&guid);
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	name.strlen = sizeof(guid);
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	name.maxlen = 0;
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	name.buffer = &guid.lbrace;
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	oa.len		= sizeof(oa);
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	oa.root_dir	= toks_get_driver_hsvcdir(dctx);
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	oa.obj_name	= &nam;;
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	oa.obj_attr	= NT_OBJ_INHERIT;
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	oa.sec_desc	= 0;
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	oa.sec_qos	= &sqo;;
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	if ((status = ntapi->zw_open_symbolic_link_object(
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			&hsvclink,
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			NT_SYMBOLIC_LINK_QUERY,
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			&oa)))
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		return status;
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	if ((status = ntapi->ipc_connect_by_symlink(&hservice,hsvclink))) {
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		ntapi->zw_close(hsvclink);
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		return status;
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	}
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	ntapi->zw_close(hsvclink);
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	ntapi->tt_aligned_block_memset(
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		&msg,0,sizeof(msg));
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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	= TOKS_DAEMON_CIDQUERY;
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	if ((status = ntapi->zw_request_wait_reply_port(hservice,&msg,&msg))) {
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		ntapi->zw_close(hservice);
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		return status;
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	} else if (msg.data.ttyinfo.status) {
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		ntapi->zw_close(hservice);
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		return msg.data.ttyinfo.status;
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	}
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	oa.len		= sizeof(oa);
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	oa.root_dir	= 0;
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	oa.obj_name	= 0;
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	oa.obj_attr	= 0;
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	oa.sec_desc	= 0;
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	oa.sec_qos	= &sqo;;
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	if ((status = ntapi->zw_open_process(
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			&hserver,NT_PROCESS_SYNCHRONIZE,
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			&oa,&msg.data.syncinfo.cid))) {
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		ntapi->zw_close(hservice);
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		return status;
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	}
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	toks_set_driver_hservice(
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		dctx,hservice);
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	toks_set_driver_hserver(
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		dctx,hserver);
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	return NT_STATUS_SUCCESS;
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}