185 lines
4.6 KiB
C
185 lines
4.6 KiB
C
/*++
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Copyright (c) 1994 Microsoft Corporation
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Copyright (c) 1993 Micro Computer Systems, Inc.
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Module Name:
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net\svcdlls\nwsap\client\advapi.c
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Abstract:
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This routine handles the Advertise API for the SAP Agent
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Author:
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Brian Walker (MCS) 06-15-1993
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Revision History:
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--*/
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#include "precomp.h"
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#pragma hdrstop
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/*++
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*******************************************************************
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S a p A d d A d v e r t i s e
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Routine Description:
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This routine adds an entry to the list of servers
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that we advertise.
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Arguments:
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ServerName = Ptr to AsciiZ server name
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ServerType = USHORT of object type to add
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ServerAddr = Ptr to 12 byte aerver address
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RespondNearest = TRUE = Use me for respond nearest call
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FALSE = Don't use me for respond nearest call
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Return Value:
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SAPRETURN_SUCCESS - Added OK
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SAPRETURN_NOMEMORY - Error allocating memory
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SAPRETURN_EXISTS - Already exists in list
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SAPRETURN_NOTINIT - SAP Agent is not running
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*******************************************************************
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--*/
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INT
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SapAddAdvertise(
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IN PUCHAR ServerName,
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IN USHORT ServerType,
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IN PUCHAR ServerAddr,
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IN BOOL RespondNearest)
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{
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NTSTATUS status;
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NWSAP_REQUEST_MESSAGE request;
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NWSAP_REPLY_MESSAGE reply;
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/** If not running - return error **/
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if (!SapLibInitialized)
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return SAPRETURN_NOTINIT;
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/** Make sure name is not too long **/
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if (strlen(ServerName) > NWSAP_MAXNAME_LENGTH) {
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return SAPRETURN_INVALIDNAME;
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}
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/** Build the Add Advertise message **/
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request.MessageType = NWSAP_LPCMSG_ADDADVERTISE;
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request.PortMessage.u1.s1.DataLength = (USHORT)(sizeof(request) - sizeof(PORT_MESSAGE));
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request.PortMessage.u1.s1.TotalLength = sizeof(request);
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request.PortMessage.u2.ZeroInit = 0;
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memset(request.Message.AdvApi.ServerName, 0, NWSAP_MAXNAME_LENGTH+1);
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strcpy(request.Message.AdvApi.ServerName, ServerName);
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memcpy(request.Message.AdvApi.ServerAddr, ServerAddr, 12);
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request.Message.AdvApi.ServerType = ServerType;
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request.Message.AdvApi.RespondNearest = RespondNearest;
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/** Send it and get a response **/
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status = NtRequestWaitReplyPort(
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SapXsPortHandle,
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(PPORT_MESSAGE)&request,
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(PPORT_MESSAGE)&reply);
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if (!NT_SUCCESS(status)) {
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return status;
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}
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/** If we got a SAP error - return it **/
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if (reply.Error)
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return reply.Error;
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/** Return the entry **/
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memcpy(ServerAddr, reply.Message.AdvApi.ServerAddr, 12);
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/** All Done OK **/
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return SAPRETURN_SUCCESS;
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}
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/*++
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*******************************************************************
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S a p R e m o v e A d v e r t i s e
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Routine Description:
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This routine removes an entry to the list of servers
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that we advertise.
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Arguments:
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ServerName = Ptr to AsciiZ server name
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ServerType = USHORT of object type to remove
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Return Value:
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SAPRETURN_SUCCESS - Added OK
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SAPRETURN_NOTEXIST - Entry does not exist in list
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SAPRETURN_NOTINIT - SAP Agent is not running
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*******************************************************************
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--*/
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INT
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SapRemoveAdvertise(
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IN PUCHAR ServerName,
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IN USHORT ServerType)
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{
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NTSTATUS status;
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NWSAP_REQUEST_MESSAGE request;
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NWSAP_REPLY_MESSAGE reply;
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/** If not running - return error **/
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if (!SapLibInitialized)
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return SAPRETURN_NOTINIT;
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/** Make sure name is not too long **/
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if (strlen(ServerName) > NWSAP_MAXNAME_LENGTH) {
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return SAPRETURN_INVALIDNAME;
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}
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/** Build the Add Advertise message **/
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request.MessageType = NWSAP_LPCMSG_REMOVEADVERTISE;
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request.PortMessage.u1.s1.DataLength = (USHORT)(sizeof(request) - sizeof(PORT_MESSAGE));
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request.PortMessage.u1.s1.TotalLength = sizeof(request);
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request.PortMessage.u2.ZeroInit = 0;
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memset(request.Message.AdvApi.ServerName, 0, NWSAP_MAXNAME_LENGTH+1);
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strcpy(request.Message.AdvApi.ServerName, ServerName);
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request.Message.AdvApi.ServerType = ServerType;
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/** Send it and get a response **/
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status = NtRequestWaitReplyPort(
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SapXsPortHandle,
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(PPORT_MESSAGE)&request,
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(PPORT_MESSAGE)&reply);
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if (!NT_SUCCESS(status)) {
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return status;
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}
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/** If we got a SAP error - return it **/
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if (reply.Error)
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return reply.Error;
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/** All Done OK **/
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return SAPRETURN_SUCCESS;
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}
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