entered advanced internal development stage.

1 files changed, 142 insertions, 0 deletions

diff --git a/src/daemon/ntapi_dsr_internal_connection.c b/src/daemon/ntapi_dsr_internal_connection.c
new file mode 100644
index 0000000..7726b3f
--- /dev/null
+++ b/src/daemon/ntapi_dsr_internal_connection.c
@@ -0,0 +1,142 @@
+/********************************************************/
+/*  ntapi: Native API core library                      */
+/*  Copyright (C) 2013,2014,2015  Z. Gilboa             */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
+/********************************************************/
+
+#include <ntapi/nt_status.h>
+#include <ntapi/nt_thread.h>
+#include <ntapi/nt_port.h>
+#include <ntapi/nt_daemon.h>
+#include <ntapi/ntapi.h>
+#include "ntapi_impl.h"
+
+/* __ntapi_dsr_connect_internal_client executes in the daemon's dedicated thread */
+int32_t __stdcall __ntapi_dsr_connect_internal_client(nt_daemon_params * params)
+{
+	int32_t *		pstatus;
+
+	intptr_t		port_id;
+	nt_port_message		port_msg;
+	nt_large_integer	timeout;
+	void *			_hport_client;
+
+	pstatus = &params->exit_code_daemon_start;
+
+	/* timeout-enabled first connection */
+	timeout.quad = NT_DSR_INIT_MAX_WAIT;
+
+	*pstatus = __ntapi->zw_reply_wait_receive_port_ex(
+		params->hport_daemon,
+		&port_id,
+		(nt_port_message *)0,
+		(nt_port_message *)&port_msg,
+		&timeout);
+
+	if (*pstatus != NT_STATUS_SUCCESS)
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			*pstatus);
+
+	/* the internal client must be first */
+	if (port_msg.client_id.process_id != pe_get_current_process_id())
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			NT_STATUS_PORT_CONNECTION_REFUSED);
+
+	/* accept connection request */
+	*pstatus = __ntapi->zw_accept_connect_port(
+		&_hport_client,
+		port_msg.client_id.process_id,
+		(nt_port_message *)&port_msg,
+		NT_LPC_ACCEPT_CONNECTION,
+		(nt_port_section_write *)0,
+		(nt_port_section_read *)0);
+
+	if (*pstatus != NT_STATUS_SUCCESS)
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			*pstatus);
+
+	/* finalize connection */
+	*pstatus = __ntapi->zw_complete_connect_port(_hport_client);
+
+	if (*pstatus != NT_STATUS_SUCCESS)
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			*pstatus);
+
+	return *pstatus;
+}
+
+
+/* __ntapi_dsr_internal_client_connect executes in its own temporary thread */
+int32_t __stdcall __ntapi_dsr_internal_client_connect(nt_daemon_params * params)
+{
+	int32_t *			pstatus;
+
+	nt_unicode_string		server_name;
+	nt_object_attributes		oa;
+	nt_security_quality_of_service	sqos;
+	nt_large_integer		timeout;
+
+	pstatus = &params->exit_code_internal_client;
+
+	/* init server_name */
+	server_name.strlen = (uint16_t)__ntapi->tt_string_null_offset_short((const int16_t *)params->port_name);
+	server_name.maxlen = 0;
+	server_name.buffer = (uint16_t *)params->port_name;
+
+	/* init security structure */
+	sqos.length 			= sizeof(sqos);
+	sqos.impersonation_level	= NT_SECURITY_IMPERSONATION;
+	sqos.context_tracking_mode	= NT_SECURITY_TRACKING_DYNAMIC;
+	sqos.effective_only		= 1;
+
+	/* init the port's object attributes */
+	oa.len		= sizeof(oa);
+	oa.root_dir	= (void *)0;
+	oa.obj_name	= &server_name;
+	oa.obj_attr	= 0;
+	oa.sec_desc	= (nt_security_descriptor *)0;
+	oa.sec_qos	= &sqos;
+
+	/* wait for the server to be ready */
+	timeout.quad = NT_DSR_INIT_MAX_WAIT;
+
+	if ((*pstatus = __ntapi->zw_wait_for_single_object(
+			params->hevent_daemon_ready,
+			0,&timeout)))
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			*pstatus);
+
+	/* establish internal connection */
+	*pstatus = __ntapi->zw_connect_port(
+		&params->hport_internal_client,
+		&server_name,
+		&sqos,
+		0,0,0,0,0);
+
+	if (*pstatus != NT_STATUS_SUCCESS)
+		__ntapi->zw_terminate_thread(
+			NT_CURRENT_THREAD_HANDLE,
+			*pstatus);
+
+	/* return port info */
+	if (params->pport_internal_client)
+		*(params->pport_internal_client) = params->hport_internal_client;
+
+	/* signal the 'internal-client-is-ready' event */
+	*pstatus = __ntapi->zw_set_event(
+		params->hevent_internal_client_ready,
+		0);
+
+	/* exit the task-specific thread */
+	__ntapi->zw_terminate_thread(
+		NT_CURRENT_THREAD_HANDLE,
+		*pstatus);
+
+	/* (no return) */
+	return NT_STATUS_INTERNAL_ERROR;
+}