Windows2003-3790/inetsrv/iis/svcs/smtp/server/iissmtp.cxx
2020-09-30 16:53:55 +02:00

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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
iissmtp.cxx
Abstract:
This module defines the SMTP_IIS_SERVICE class
Author:
Johnson Apacible (JohnsonA) June-04-1996
Rohan Phillips (Rohanp) Feb-04-1997 - modified for smtp
--*/
#define INCL_INETSRV_INCS
#include "smtpinc.h"
#include <smtpinet.h>
#include "aqstore.hxx"
//
// External reference to SEO helpers
//
extern HRESULT RegisterPlatSEOInstance(DWORD dwInstanceID);
BOOL
SMTP_IIS_SERVICE::AddInstanceInfo(
IN DWORD dwInstance,
IN BOOL fMigrateRoots
)
{
HRESULT hr;
PSMTP_SERVER_INSTANCE pInstance;
MB mb( (IMDCOM*) QueryMDObject() );
TraceFunctEnterEx((LPARAM)this, "SMTP_IIS_SERVICE::AddInstanceInfo");
//
// Register the instance for server events
//
DebugTrace((LPARAM)this, "Registering SEO for instance %u", dwInstance);
hr = RegisterPlatSEOInstance(dwInstance);
if (FAILED(hr))
{
char szInst[10];
ErrorTrace((LPARAM)this, "Instance %d: RegisterSEOInstance returned %08x",
dwInstance, hr);
_itoa((int)dwInstance, szInst, 10);
SmtpLogEventEx(SEO_REGISTER_INSTANCE_FAILED,
szInst,
hr);
}
//
// Create the new instance
//
pInstance = new SMTP_SERVER_INSTANCE(
this,
dwInstance,
IPPORT_SMTP,
QueryRegParamKey(),
SMTP_ANONYMOUS_SECRET_W,
SMTP_ROOT_SECRET_W,
fMigrateRoots
);
if(pInstance == NULL)
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
TraceFunctLeaveEx((LPARAM)this);
return FALSE;
}
if (m_fCreatingInstance)
{
//We just received the notification for the creation of the metabase
//object for a VS... none of the config information is there. We do
//not want to attempt starting, becuase we will log that we cannot
//find out config info in the event log!
DebugTrace((LPARAM)this,"Instnace not started on metabase creation");
SetLastError( ERROR_SERVICE_DISABLED );
TraceFunctLeaveEx((LPARAM)this);
return FALSE ;
}
return AddInstanceInfoHelper( pInstance );
} // SMTP_IIS_SERVICE::AddInstanceInfo
DWORD
SMTP_IIS_SERVICE::DisconnectUsersByInstance(
IN IIS_SERVER_INSTANCE * pInstance
)
/*++
Virtual callback invoked by IIS_SERVER_INSTANCE::StopInstance() to
disconnect all users associated with the given instance.
Arguments:
pInstance - All users associated with this instance will be
forcibly disconnected.
--*/
{
((SMTP_SERVER_INSTANCE *)pInstance)->DisconnectAllConnections();
return NO_ERROR;
} // SMTP_IIS_SERVICE::DisconnectUsersByInstance
DWORD
SMTP_IIS_SERVICE::GetServiceConfigInfoSize(
IN DWORD dwLevel
)
{
switch (dwLevel) {
case 1:
return sizeof(SMTP_CONFIG_INFO);
}
return 0;
} // SMTP_IIS_SERVICE::GetServerConfigInfoSize
VOID
SMTP_IIS_SERVICE::StartHintFunction()
{
if (QueryCurrentServiceState() == SERVICE_START_PENDING )
{
UpdateServiceStatus(SERVICE_START_PENDING, NO_ERROR, m_dwStartHint,SERVICE_START_WAIT_HINT);
m_dwStartHint++;
}
}
SMTP_IIS_SERVICE::SMTP_IIS_SERVICE(
IN LPCSTR pszServiceName,
IN LPCSTR pszModuleName,
IN LPCSTR pszRegParamKey,
IN DWORD dwServiceId,
IN ULONGLONG SvcLocId,
IN BOOL MultipleInstanceSupport,
IN DWORD cbAcceptExRecvBuffer,
IN ATQ_CONNECT_CALLBACK pfnConnect,
IN ATQ_COMPLETION pfnConnectEx,
IN ATQ_COMPLETION pfnIoCompletion
) : IIS_SERVICE( pszServiceName,
pszModuleName,
pszRegParamKey,
dwServiceId,
SvcLocId,
MultipleInstanceSupport,
cbAcceptExRecvBuffer,
pfnConnect,
pfnConnectEx,
pfnIoCompletion
)
{
MB mb( (IMDCOM*) QueryMDObject() );
DWORD MaxPoolThreadValue = 0;
TraceFunctEnterEx((LPARAM)this, "SMTP_IIS_SERVICE::SMTP_IIS_SERVICE");
m_OldMaxPoolThreadValue = 0;
m_cMaxSystemRoutingThreads = 0;
m_cCurrentSystemRoutingThreads = 0;
m_fHaveResetPrincipalNames = FALSE;
//
// configure the number of SMTP routing threads and IIS pool threads.
//
m_dwStartHint = 2;
m_OldMaxPoolThreadValue = 0;
MaxPoolThreadValue = (DWORD)AtqGetInfo(AtqMaxPoolThreads);
if(MaxPoolThreadValue < 15)
m_OldMaxPoolThreadValue = (DWORD)AtqSetInfo(AtqMaxPoolThreads, 15);
m_fCreatingInstance = FALSE;
InitializeListHead(&m_InstanceInfoList);
TraceFunctLeaveEx((LPARAM)this);
} // SMTP_IIS_SERVICE::SMTP_IIS_SERVICE
BOOL
SMTP_IIS_SERVICE::AggregateStatistics(
IN PCHAR pDestination,
IN PCHAR pSource
)
{
LPSMTP_STATISTICS_0 pStatDest = (LPSMTP_STATISTICS_0) pDestination;
LPSMTP_STATISTICS_0 pStatSrc = (LPSMTP_STATISTICS_0) pSource;
if ((NULL == pDestination) || (NULL == pSource))
{
return FALSE;
}
pStatDest->BytesSentTotal += pStatSrc->BytesSentTotal;
pStatDest->BytesRcvdTotal += pStatSrc->BytesRcvdTotal;
pStatDest->BytesSentMsg += pStatSrc->BytesSentMsg;
pStatDest->BytesRcvdMsg += pStatSrc->BytesRcvdMsg;
pStatDest->NumMsgRecvd += pStatSrc->NumMsgRecvd;
pStatDest->NumRcptsRecvd += pStatSrc->NumRcptsRecvd;
pStatDest->NumRcptsRecvdLocal += pStatSrc->NumRcptsRecvdLocal;
pStatDest->NumRcptsRecvdRemote += pStatSrc->NumRcptsRecvdRemote;
pStatDest->MsgsRefusedDueToSize += pStatSrc->MsgsRefusedDueToSize;
pStatDest->MsgsRefusedDueToNoCAddrObjects += pStatSrc->MsgsRefusedDueToNoCAddrObjects;
pStatDest->MsgsRefusedDueToNoMailObjects += pStatSrc->MsgsRefusedDueToNoMailObjects;
pStatDest->NumMsgsDelivered += pStatSrc->NumMsgsDelivered;
pStatDest->NumDeliveryRetries += pStatSrc->NumDeliveryRetries;
pStatDest->NumMsgsForwarded += pStatSrc->NumMsgsForwarded;
pStatDest->NumNDRGenerated += pStatSrc->NumNDRGenerated;
pStatDest->LocalQueueLength += pStatSrc->LocalQueueLength;
pStatDest->RetryQueueLength += pStatSrc->RetryQueueLength;
pStatDest->NumMailFileHandles += pStatSrc->NumMailFileHandles;
pStatDest->NumQueueFileHandles += pStatSrc->NumQueueFileHandles;
pStatDest->CatQueueLength += pStatSrc->CatQueueLength;
pStatDest->NumMsgsSent += pStatSrc->NumMsgsSent;
pStatDest->NumRcptsSent += pStatSrc->NumRcptsSent;
pStatDest->NumSendRetries += pStatSrc->NumSendRetries;
pStatDest->RemoteQueueLength += pStatSrc->RemoteQueueLength;
pStatDest->NumDnsQueries += pStatSrc->NumDnsQueries;
pStatDest->RemoteRetryQueueLength += pStatSrc->RemoteRetryQueueLength;
pStatDest->NumConnInOpen += pStatSrc->NumConnInOpen;
pStatDest->NumConnInClose += pStatSrc->NumConnInClose;
pStatDest->NumConnOutOpen += pStatSrc->NumConnOutOpen;
pStatDest->NumConnOutClose += pStatSrc->NumConnOutClose;
pStatDest->NumConnOutRefused += pStatSrc->NumConnOutRefused;
pStatDest->NumProtocolErrs += pStatSrc->NumProtocolErrs;
pStatDest->DirectoryDrops += pStatSrc->DirectoryDrops;
pStatDest->RoutingTableLookups += pStatSrc->RoutingTableLookups;
pStatDest->ETRNMessages += pStatSrc->ETRNMessages;
pStatDest->TimeOfLastClear += pStatSrc->TimeOfLastClear;
pStatDest->MsgsBadmailNoRecipients += pStatSrc->MsgsBadmailNoRecipients;
pStatDest->MsgsBadmailHopCountExceeded += pStatSrc->MsgsBadmailHopCountExceeded;
pStatDest->MsgsBadmailFailureGeneral += pStatSrc->MsgsBadmailFailureGeneral;
pStatDest->MsgsBadmailBadPickupFile += pStatSrc->MsgsBadmailBadPickupFile;
pStatDest->MsgsBadmailEvent += pStatSrc->MsgsBadmailEvent;
pStatDest->MsgsBadmailNdrOfDsn += pStatSrc->MsgsBadmailNdrOfDsn;
pStatDest->MsgsPendingRouting += pStatSrc->MsgsPendingRouting;
pStatDest->MsgsPendingUnreachableLink += pStatSrc->MsgsPendingUnreachableLink;
pStatDest->SubmittedMessages += pStatSrc->SubmittedMessages;
pStatDest->DSNFailures += pStatSrc->DSNFailures;
pStatDest->MsgsInLocalDelivery += pStatSrc->MsgsInLocalDelivery;
return TRUE;
}
SMTP_IIS_SERVICE::~SMTP_IIS_SERVICE()
{
if(m_OldMaxPoolThreadValue != 0)
AtqSetInfo(AtqMaxPoolThreads, m_OldMaxPoolThreadValue);
}
VOID
SMTP_IIS_SERVICE::MDChangeNotify(
MD_CHANGE_OBJECT * pcoChangeList
)
/*++
This method handles the metabase change notification for this service
Arguments:
pcoChangeList - path and id that has changed
--*/
{
DWORD i;
BOOL fSslModified = FALSE;
LPSTR szIdString = NULL;
BOOL fSetCreatingInstance = FALSE;
AcquireServiceLock();
if (!m_fCreatingInstance)
{
//Check if this is a creation event.... if we are just creating the
//class key in smtpsvc/<instance>, then this is the notify we get
//when admin is creating an instance. We should bail early so we
//do not attempt to create an instance and log bogus errors in
//the event log. If m_fCreatingInstance is set to TRUE... we will
//not try to start the instance (by calling AddInstanceInfoHelper)
//Parse the string and see if the last thing is the instance ID.. .we
//expect it to be in the form of:
// /LM/{service_name}/{instance_id}/
if (pcoChangeList->pszMDPath)
{
szIdString = (LPSTR)pcoChangeList->pszMDPath +
sizeof(SMTP_MD_ROOT_PATH) - 2*sizeof(CHAR);
}
//We are now at the '/' before the instance id
if (szIdString && (szIdString[0] == '/') && (szIdString[1] != '\0'))
{
//We have a possible winner... check for <n>/\0
do {szIdString++;} while (*szIdString && isdigit((UCHAR)*szIdString));
//If the last 2 characters are '/' and '\0'... we need to look further
if ((szIdString[0] == '/') && (szIdString[1] == '\0'))
{
//Since all of this work is to avoid trying to start when
//admin creates a new virtual server, we would be well advised
//to only bail early in the exact case of admin adding a virtual
//server instance. They always create the key type first, so
//we will check for it
if ((MD_CHANGE_TYPE_ADD_OBJECT & pcoChangeList->dwMDChangeType) &&
(1 == pcoChangeList->dwMDNumDataIDs) &&
(MD_KEY_TYPE == pcoChangeList->pdwMDDataIDs[0]))
{
//This is the notify that causes IIS to try and make us start
//before we have any config information. If we call,
//IIS_SERVICE::MDChangeNotify it will turn around and start
//our instance. .
m_fCreatingInstance = TRUE;
//This thread needs to unset it. While the instance is created
//we will get other notifies (on this thread) when IIS sets
//the service state.
fSetCreatingInstance = TRUE;
}
}
}
}
IIS_SERVICE::MDChangeNotify( pcoChangeList );
//The above call is were m_fCreatingInstance is used...reset it if we set it
if (fSetCreatingInstance)
m_fCreatingInstance = FALSE;
for ( i = 0; i < pcoChangeList->dwMDNumDataIDs; i++ )
{
switch ( pcoChangeList->pdwMDDataIDs[i] )
{
case MD_SSL_PUBLIC_KEY:
case MD_SSL_PRIVATE_KEY:
case MD_SSL_KEY_PASSWORD:
fSslModified = TRUE;
break;
default:
break;
}
}
if ( !fSslModified && g_pSslKeysNotify )
{
if ( strlen( (LPSTR)pcoChangeList->pszMDPath ) >= sizeof("/LM/SMTPSVC/SSLKeys" )-1 &&
!_memicmp( pcoChangeList->pszMDPath,
"/LM/SMTPSVC/SSLKeys",
sizeof("/LM/SMTPSVC/SSLKeys" )-1 ) )
{
fSslModified = TRUE;
}
}
if ( fSslModified && g_pSslKeysNotify )
{
(g_pSslKeysNotify)( SIMSSL_NOTIFY_MAPPER_SSLKEYS_CHANGED, this );
}
ReleaseServiceLock();
}
/*++
Name:
APIERR SMTP_IIS_SERVICE::LoadAdvancedQueueingDll()
Description:
This method reads from the metabase to see if an advanced queueing dll
has been set and loads it if so. If no dll is set then the default is
loaded.
Returns:
NO_ERROR on success
Whatever error occurred on failure
--*/
APIERR SMTP_IIS_SERVICE::LoadAdvancedQueueingDll()
{
char szValueName[MAX_PATH + 1];
char szAQDll[MAX_PATH + 1];
STR TempString;
DWORD fRet;
MB mb( (IMDCOM*)g_pInetSvc->QueryMDObject() );
TraceFunctEnterEx((LPARAM)this, "SMTP_IIS_SERVICE::LoadAdvancedQueueingDll()");
lstrcpy(szValueName, g_pInetSvc->QueryMDPath());
if ( !mb.Open( szValueName, METADATA_PERMISSION_READ | METADATA_PERMISSION_WRITE) )
{
return ERROR_SERVICE_DISABLED;
}
TempString.Reset();
szAQDll[0] = '\0';
if (fRet = mb.GetStr("", MD_AQUEUE_DLL, IIS_MD_UT_FILE, &TempString, METADATA_INHERIT, ""))
{
lstrcpyn(szAQDll, TempString.QueryStr(), MAX_PATH);
DebugTrace((LPARAM)this, "Loading extended advanced queueing DLL %s", szAQDll);
}
if (!fRet || (szAQDll[0] == '\0'))
{
lstrcpyn(szAQDll, AQ_DLL_NAME, MAX_PATH);
DebugTrace((LPARAM)this, "No extended advanced queueing DLL set, loading %s\n", szAQDll);
}
if(!LoadAdvancedQueueing(szAQDll))
{
HRESULT err = GetLastError();
ErrorTrace((LPARAM)this, "LoadAdvancedQueueing failed, %u", err);
SmtpLogEvent(SMTP_EVENT_FAILED_TO_LOAD_AQUEUE, 0, (const CHAR **)NULL, 0);
if(err == NO_ERROR)
SetLastError (ERROR_NOT_ENOUGH_MEMORY);
mb.Close();
TraceFunctLeaveEx((LPARAM)this);
return err;
}
mb.Close();
TraceFunctLeaveEx((LPARAM)this);
return NO_ERROR;
}