You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
2.8 KiB
136 lines
2.8 KiB
/*++
|
|
|
|
Copyright (c) 1994 Microsoft Corporation
|
|
Copyright (c) 1993 Micro Computer Systems, Inc.
|
|
|
|
Module Name:
|
|
|
|
net\svcdlls\nwsap\client\init.c
|
|
|
|
Abstract:
|
|
|
|
This routine initializes the SAP Library
|
|
|
|
Author:
|
|
|
|
Brian Walker (MCS) 06-15-1993
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include "precomp.h"
|
|
#pragma hdrstop
|
|
|
|
/** Global Variables **/
|
|
|
|
INT SapLibInitialized = 0;
|
|
HANDLE SapXsPortHandle;
|
|
|
|
|
|
/*++
|
|
*******************************************************************
|
|
S a p L i b I n i t
|
|
|
|
Routine Description:
|
|
|
|
This routine initializes the SAP interface for a program
|
|
|
|
Arguments:
|
|
None
|
|
|
|
Return Value:
|
|
|
|
0 = Ok
|
|
Else = Error
|
|
*******************************************************************
|
|
--*/
|
|
|
|
DWORD
|
|
SapLibInit(
|
|
VOID)
|
|
{
|
|
UNICODE_STRING unistring;
|
|
NTSTATUS status;
|
|
SECURITY_QUALITY_OF_SERVICE qos;
|
|
|
|
/** If already initialized - return ok **/
|
|
|
|
if (SapLibInitialized) {
|
|
return 0;
|
|
}
|
|
|
|
/** Connect the port **/
|
|
|
|
/** Fill out the security quality of service **/
|
|
|
|
qos.Length = sizeof(qos);
|
|
qos.ImpersonationLevel = SecurityImpersonation;
|
|
qos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
|
|
qos.EffectiveOnly = TRUE;
|
|
|
|
/** Setup the unicode string of the port name **/
|
|
|
|
RtlInitUnicodeString(&unistring, NWSAP_BIND_PORT_NAME_W);
|
|
|
|
/** Do the connect **/
|
|
|
|
status = NtConnectPort(
|
|
&SapXsPortHandle, /* We get a handle back */
|
|
&unistring, /* Port name to connect to */
|
|
&qos, /* Quality of service */
|
|
NULL, /* Client View */
|
|
NULL, /* Server View */
|
|
NULL, /* MaxMessageLength */
|
|
NULL, /* ConnectionInformation */
|
|
NULL); /* ConnectionInformationLength */
|
|
|
|
/** If error - just return it **/
|
|
|
|
if (!NT_SUCCESS(status))
|
|
return status;
|
|
|
|
/** All Done **/
|
|
|
|
SapLibInitialized = 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*++
|
|
*******************************************************************
|
|
S a p L i b S h u t d o w n
|
|
|
|
Routine Description:
|
|
|
|
This routine shuts down the SAP interface for a program
|
|
|
|
Arguments:
|
|
None
|
|
|
|
Return Value:
|
|
|
|
0 = Ok
|
|
Else = Error
|
|
*******************************************************************
|
|
--*/
|
|
|
|
DWORD
|
|
SapLibShutdown(
|
|
VOID)
|
|
{
|
|
/** If not initialized - leave **/
|
|
|
|
if (!SapLibInitialized)
|
|
return 0;
|
|
|
|
/** Close the port **/
|
|
|
|
NtClose(SapXsPortHandle);
|
|
|
|
/** All Done **/
|
|
|
|
SapLibInitialized = 0;
|
|
return 0;
|
|
}
|
|
|