SQLSERVER2000 存储过程解密
发布时间：2020-12-12 13:51:27 所属栏目：MsSql教程 来源：网络整理
导读：存储过程解密(破解函数,过程,触发器,视图.仅限于SQLSERVER2000)? --*/? /*--调用示例:? --解密指定存储过程? exec sp_decrypt '存储过程名'? --*/? create PROCEDURE sp_decrypt(@objectName varchar(50))? AS? begin? begin tran? declare @objectname1 var
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存储过程解密(破解函数,过程,触发器,视图.仅限于SQLSERVER2000)?
--*/? /*--调用示例:? --解密指定存储过程? exec sp_decrypt '存储过程名'? --*/? create PROCEDURE sp_decrypt(@objectName varchar(50))? AS? begin? begin tran? declare @objectname1 varchar(100),@orgvarbin varbinary(8000)? declare @sql1 nvarchar(4000),@sql2 nvarchar(4000),@sql3 nvarchar(4000),@sql4 nvarchar(4000),@sql5 nvarchar(4000),@sql6 nvarchar(4000),@sql7 nvarchar(4000),@sql8 nvarchar(4000),@sql9 nvarchar(4000),@sql10 nvarchar(4000)? DECLARE @OrigSpText1 nvarchar(4000),@OrigSpText2 nvarchar(4000),@OrigSpText3 nvarchar(4000),@resultsp nvarchar(4000)? declare @i int,@status int,@type varchar(10),@parentid int? declare @colid int,@n int,@q int,@j int,@k int,@encrypted int,@number int? select @type=xtype,@parentid=parent_obj from sysobjects where id=object_id(@ObjectName)? create table #temp(number int,colid int,ctext varbinary(8000),encrypted int,status int)? insert #temp SELECT number,colid,ctext,encrypted,status FROM syscomments WHERE id = object_id(@objectName)? select @number=max(number) from #temp? set @k=0? while @k<=@number? begin? if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k)? begin? if @type='P'? set @sql1=(case when @number>1 then 'ALTER PROCEDURE '+ @objectName +';'+rtrim(@k)+' WITH ENCRYPTION AS '? else 'ALTER PROCEDURE '+ @objectName+' WITH ENCRYPTION AS '? end)? if @type='TR'? set @sql1='ALTER TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '? if @type='FN' or @type='TF' or @type='IF'? set @sql1=(case @type when 'TF' then? 'ALTER FUNCTION '+ @objectName+'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end '? when 'FN' then? 'ALTER FUNCTION '+ @objectName+'(@a char(1)) returns char(1) with encryption as begin return @a end'? when 'IF' then? 'ALTER FUNCTION '+ @objectName+'(@a char(1)) returns table with encryption as return select @a as a'? end)? if @type='V'? set @sql1='ALTER VIEW '+@objectname+' WITH ENCRYPTION AS SELECT 1 '? set @q=len(@sql1)? set @sql1=@sql1+REPLICATE('-',4000-@q)? select @sql2=REPLICATE('-',4000),@sql3=REPLICATE('-',@sql4=REPLICATE('-',@sql5=REPLICATE('-',@sql6=REPLICATE('-',@sql7=REPLICATE('-',@sql8=REPLICATE('-',@sql9=REPLICATE('-',@sql10=REPLICATE('-',4000)? exec(@sql1+@sql2+@sql3+@sql4+@sql5+@sql6+@sql7+@sql8+@sql9+@sql10)? end? set @k=@k+1? end? set @k=0? while @k<=@number? begin? if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k)? begin? select @colid=max(colid) from #temp where number=@k? set @n=1? while @n<=@colid? begin? select @OrigSpText1=ctext,@encrypted=encrypted,@status=status FROM #temp WHERE colid=@n and number=@k? SET @OrigSpText3=(SELECT ctext FROM syscomments WHERE id=object_id(@objectName) and colid=@n and number=@k)? if @n=1? begin? if @type='P'? SET @OrigSpText2=(case when @number>1 then 'CREATE PROCEDURE '+ @objectName +';'+rtrim(@k)+' WITH ENCRYPTION AS '? else 'CREATE PROCEDURE '+ @objectName +' WITH ENCRYPTION AS '? end)? if @type='FN' or @type='TF' or @type='IF'--刚才有错改一下? SET @OrigSpText2=(case @type when 'TF' then? 'CREATE FUNCTION '+ @objectName+'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end '? when 'FN' then? 'CREATE FUNCTION '+ @objectName+'(@a char(1)) returns char(1) with encryption as begin return @a end'? when 'IF' then? 'CREATE FUNCTION '+ @objectName+'(@a char(1)) returns table with encryption as return select @a as a'? end)? if @type='TR'? set @OrigSpText2='CREATE TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '? if @type='V'? set @OrigSpText2='CREATE VIEW '+@objectname+' WITH ENCRYPTION AS SELECT 1 '? set @q=4000-len(@OrigSpText2)? set @OrigSpText2=@OrigSpText2+REPLICATE('-',@q)? end? else? begin? SET @OrigSpText2=REPLICATE('-',4000)? end? --start counter? SET @i=1? --fill temporary variable? SET @resultsp = replicate(N'A',(datalength(@OrigSpText1) / 2))? --loop? WHILE @i<=datalength(@OrigSpText1)/2? BEGIN? SET @resultsp = stuff(@resultsp,@i,1,NCHAR(UNICODE(substring(@OrigSpText1,1)) ^? (UNICODE(substring(@OrigSpText2,1)) ^? UNICODE(substring(@OrigSpText3,1)))))? SET @i=@i+1? END? set @orgvarbin=cast(@OrigSpText1 as varbinary(8000))? set @resultsp=(case when @encrypted=1? then @resultsp? else convert(nvarchar(4000),case when @status&2=2 then uncompress(@orgvarbin) else @orgvarbin end)? end)? print @resultsp? --execute( @resultsp)? set @n=@n+1? end? end? set @k=@k+1? end? drop table #temp? rollback tran? end? GO （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |