Leaked source code of windows server 2003
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/*++
Copyright (c) 1994 Microsoft Corporation
Module Name:
PerSeat.h
Abstract:
Author:
Arthur Hanson (arth) Dec 07, 1994
Environment:
Revision History:
Jeff Parham (jeffparh) 12-Jan-1996
o Added support for maintaining the SUITE_USE flag when adding
users to the AddCache.
o Exported function prototype for MappingLicenseListFree().
--*/
#ifndef _LLS_PERSEAT_H
#define _LLS_PERSEAT_H
#include "llsrtl.h"
#ifdef __cplusplus
extern "C" {
#endif
#define DATA_TYPE_USERNAME 0
#define DATA_TYPE_SID 1
#define MAX_ACCESS_COUNT 0xFFFFFFF
/////////////////////////////////////////////////////////////////////////
//
// Add cache is here as add records need exclusive access to the user table.
// Since we may have alot of read requests comming in at once, we don't want
// to hold up our reply waiting for the exclusive access to be granted, so
// we just dump it onto the add cache (queue) and continue on.
//
// This is even more important with outgoing replication going on as we can
// have shared access lock on the table for awhile.
//
// Incomming replication just bundles up the data and sticks it on the Add
// Cache to be processed like normal requests.
//
struct _ADD_CACHE;
typedef struct _ADD_CACHE {
struct _ADD_CACHE *prev;
ULONG DataType;
ULONG DataLength;
PVOID Data;
PMASTER_SERVICE_RECORD Service;
ULONG AccessCount;
DWORD LastAccess;
DWORD Flags;
} ADD_CACHE, *PADD_CACHE;
/////////////////////////////////////////////////////////////////////////
//
// These records are for storing the actual user-useage information.
//
typedef struct _USER_LICENSE_RECORD {
DWORD Flags;
PMASTER_SERVICE_ROOT Family;
ULONG RefCount;
//
// Version of product License applies to
PMASTER_SERVICE_RECORD Service;
ULONG LicensesNeeded;
} USER_LICENSE_RECORD, *PUSER_LICENSE_RECORD;
typedef struct _SVC_RECORD {
//
// Actual service this is for
//
PMASTER_SERVICE_RECORD Service;
//
// What license we took - The product may be SQL 3.0, but in determining
// the license we might have grabbed a SQL 4.0 license...
//
PUSER_LICENSE_RECORD License;
ULONG AccessCount;
DWORD LastAccess;
ULONG Suite;
DWORD Flags;
} SVC_RECORD, *PSVC_RECORD;
typedef struct _USER_RECORD {
ULONG IDSize;
PVOID UserID;
//
// Pointer to mapping to use.
//
PMAPPING_RECORD Mapping;
//
// Flags is mostly used right now for marking records to be deleted and
// if backoffice has been set.
//
DWORD Flags;
//
// How many products are licensed vs unlicensed
//
ULONG LicensedProducts;
//
// Date when last replicated. Note: For SID records this is a pointer
// into the USER_RECORD for the appropriate user.
//
ULONG_PTR LastReplicated;
//
// Keep only a critical section lock, and not RTL_RESOURCE (for read/write
// locks). All updates of existing services (most common case by far) will
// be very quick, so exclusive access isn't that bad. RTL_RESOURCE also
// would make our table size increase dramatically and add too much extra
// processing.
//
RTL_CRITICAL_SECTION ServiceTableLock;
//
// Service table is a linear buffer, we use the service number to access
// into this buffer.
//
ULONG ServiceTableSize;
// Stuff per service - linear buffer...
PSVC_RECORD Services;
//
// Licenses the user is using
//
ULONG LicenseListSize;
PUSER_LICENSE_RECORD *LicenseList;
} USER_RECORD, *PUSER_RECORD;
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
extern ULONG UserListNumEntries;
extern LLS_GENERIC_TABLE UserList;
extern RTL_RESOURCE UserListLock;
//
// The AddCache itself, a critical section to protect access to it and an
// event to signal the server when there are items on it that need to be
// processed.
//
extern PADD_CACHE AddCache;
extern ULONG AddCacheSize;
extern RTL_CRITICAL_SECTION AddCacheLock;
extern HANDLE LLSAddCacheEvent;
extern DWORD LastUsedTime;
extern BOOL UsersDeleted;
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
PSVC_RECORD SvcListFind( LPTSTR DisplayName, PSVC_RECORD ServiceList, ULONG NumTableEntries );
NTSTATUS SvcListDelete( LPTSTR UserName, LPTSTR ServiceName );
VOID SvcListLicenseFree( PUSER_RECORD pUser );
VOID SvcListLicenseUpdate( PUSER_RECORD pUser );
NTSTATUS UserListInit();
VOID UserListUpdate( ULONG DataType, PVOID Data, PSERVICE_RECORD Service );
PUSER_RECORD UserListFind( LPTSTR UserName );
VOID UserBackOfficeCheck( PUSER_RECORD pUser );
VOID UserListLicenseDelete( PMASTER_SERVICE_RECORD Service, LONG Quantity );
VOID UserLicenseListFree ( PUSER_RECORD pUser );
VOID UserMappingAdd ( PMAPPING_RECORD Mapping, PUSER_RECORD pUser );
VOID FamilyLicenseUpdate ( PMASTER_SERVICE_ROOT Family );
VOID SvcLicenseUpdate( PUSER_RECORD pUser, PSVC_RECORD Svc );
VOID MappingLicenseListFree ( PMAPPING_RECORD Mapping );
VOID MappingLicenseUpdate ( PMAPPING_RECORD Mapping, BOOL ReSynch );
/////////////////////////////////////////////////////////////////////////
#if DBG
VOID AddCacheDebugDump( );
VOID UserListDebugDump( );
VOID UserListDebugInfoDump( PVOID Data );
VOID UserListDebugFlush( );
VOID SidListDebugDump( );
VOID SidListDebugInfoDump( PVOID Data );
VOID SidListDebugFlush( );
#endif
#ifdef __cplusplus
}
#endif
#endif