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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
msgalias.c
Abstract:
This file contains routines for adding and deleting message aliases
when a user logs on/off.
Author:
Dan Lafferty (danl) 21-Aug-1992
Environment:
User Mode -Win32
Revision History:
21-Aug-1992 danl
created
--*/
#include "precomp.h"
#pragma hdrstop
#define LPTSTR LPWSTR
VOID
DeleteMsgAliases(
VOID
)
/*++
Routine Description:
This function removes all message aliases except the ComputerName.
Arguments:
none
Return Value:
none
--*/
{
DWORD status;
LPMSG_INFO_0 InfoStruct;
DWORD entriesRead;
DWORD totalEntries;
DWORD resumeHandle = 0;
DWORD i;
WCHAR ComputerName[MAX_COMPUTERNAME_LENGTH + 1];
LPWSTR NewServerName = NULL;
DWORD bufLen = MAX_COMPUTERNAME_LENGTH + 1;
HANDLE dllHandle;
PMSG_NAME_DEL NetMessageNameDel = NULL;
PMSG_NAME_ENUM NetMessageNameEnum = NULL;
//
// Get the computer name
//
if (!GetComputerNameW(ComputerName,&bufLen)) {
DebugLog((DEB_ERROR, "failed to obtain the computername"));
}
//
// Get the address of the functions we need from netapi32.dll
//
dllHandle = LoadLibraryW(L"netapi32.dll");
if (dllHandle == NULL) {
return;
}
NetMessageNameEnum = (PMSG_NAME_ENUM) GetProcAddress(
dllHandle,
"NetMessageNameEnum");
if (NetMessageNameEnum == NULL) {
FreeLibrary(dllHandle);
return;
}
NetMessageNameDel = (PMSG_NAME_DEL) GetProcAddress(
dllHandle,
"NetMessageNameDel");
if (NetMessageNameDel == NULL) {
FreeLibrary(dllHandle);
return;
}
//
// Enumerate all the Message Aliases
//
status = NetMessageNameEnum (
NULL, // ServerName - Local version
0, // Level
(LPBYTE *)&InfoStruct, // return status buffer pointer
0xffffffff, // preferred max length
&entriesRead, // entries read
&totalEntries, // total entries
&resumeHandle); // resume handle
if (status != NERR_Success) {
// DebugLog((DEB_ERROR, "NetMessageNameEnum failed %d",status));
FreeLibrary(dllHandle);
return;
}
//
// Remove the aliases that are not the computername.
//
for (i=0; i<entriesRead ;i++) {
if (_wcsicmp(InfoStruct->msgi0_name, ComputerName) != 0) {
status = NetMessageNameDel(
NULL,
InfoStruct->msgi0_name);
if (status != NERR_Success) {
DebugLog((DEB_ERROR, "DeleteMsgAliases: Name - %ws - delete failed",
InfoStruct->msgi0_name));
}
}
InfoStruct++;
}
FreeLibrary(dllHandle);
}
VOID
TickleMessenger(VOID)
{
HANDLE hDll;
PMSG_NAME_DEL NetMessageNameDel = NULL;
//
// Get the address of the functions we need from netapi32.dll
//
hDll = LoadLibraryW(L"netapi32.dll");
if (hDll == NULL) {
return;
}
NetMessageNameDel = (PMSG_NAME_DEL) GetProcAddress(
hDll,
"NetMessageNameDel");
if (NetMessageNameDel) {
NetMessageNameDel(NULL, TEXT(""));
}
FreeLibrary(hDll);
}
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