windows-nt/Source/XPSP1/NT/base/eventlog/server/alert.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
ALERT.C
Abstract:
This file contains the routine that sends the alert to the admin.
Author:
Rajen Shah (rajens) 28-Aug-1991
Revision History:
--*/
//
// INCLUDES
//
#include <eventp.h>
#include <string.h>
#include <lmalert.h> // LAN Manager alert structures
BOOL
SendAdminAlert(
ULONG MessageID,
ULONG NumStrings,
UNICODE_STRING *pStrings
)
/*++
Routine Description:
This routine raises an ADMIN alert with the message specified.
Arguments:
MessageID - Message ID.
NumStrings - Number of replacement strings.
pStrings - Array of UNICODE_STRING Replacement strings.
Return Value:
NONE
--*/
{
NET_API_STATUS NetStatus;
BYTE AlertBuffer[ELF_ADMIN_ALERT_BUFFER_SIZE + sizeof(ADMIN_OTHER_INFO)];
ADMIN_OTHER_INFO UNALIGNED *VariableInfo = (PADMIN_OTHER_INFO) AlertBuffer;
DWORD DataSize;
DWORD i;
LPWSTR pReplaceString;
VariableInfo->alrtad_errcode = MessageID;
VariableInfo->alrtad_numstrings = NumStrings;
pReplaceString = (LPWSTR)(AlertBuffer + sizeof(ADMIN_OTHER_INFO));
//
// Copy over the replacement strings
//
for (i = 0; i < NumStrings; i++)
{
RtlMoveMemory(pReplaceString, pStrings[i].Buffer, pStrings[i].MaximumLength);
pReplaceString = (LPWSTR) ((PBYTE) pReplaceString + pStrings[i].MaximumLength);
}
DataSize = (DWORD) ((PBYTE) pReplaceString - (PBYTE) AlertBuffer);
NetStatus = NetAlertRaiseEx(ALERT_ADMIN_EVENT,
AlertBuffer,
DataSize,
EVENTLOG_SVC_NAMEW);
if (NetStatus != NERR_Success)
{
ELF_LOG2(ERROR,
"SendAdminAlert: NetAlertRaiseEx for alert %d failed %d\n",
MessageID,
NetStatus);
//
// Probably just not started yet, try again later
//
return(FALSE);
}
return(TRUE);
}