sqlserver2000解密存储过程，函数，视图，触发器

发布时间：2020-12-12 13:55:25 所属栏目：MsSql教程来源：网络整理

导读：-- sp_decrypt 'view_Account_master_all_full' --此存储过程适用于SQLSERVER2000。 CREATE ?PROCEDURE sp_decrypt(@objectName varchar(50)) AS begin set nocount on --V3.1? --破解字节不受限制，适用于SQLSERVER2000存储过程，函数，视图，触发器 --修正

-- sp_decrypt 'view_Account_master_all_full' --此存储过程适用于SQLSERVER2000。 CREATE ?PROCEDURE sp_decrypt(@objectName varchar(50)) AS begin set nocount on --V3.1? --破解字节不受限制，适用于SQLSERVER2000存储过程，函数，视图，触发器 --修正上一版视图触发器不能正确解密错误 begin tran declare @objectname1 varchar(100),@orgvarbin varbinary(8000) declare @sql1 nvarchar(4000),@sql2 varchar(8000),@sql3 nvarchar(4000),@sql4 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' begin declare @parent_obj varchar(255),@tr_parent_xtype varchar(10) select @parent_obj=parent_obj from sysobjects where id=object_id(@objectName) select @tr_parent_xtype=xtype from sysobjects where id=@parent_obj if @tr_parent_xtype='V' begin set @sql1='ALTER TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION INSTERD OF INSERT AS PRINT 1 ' end else begin set @sql1='ALTER TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 ' end end 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 as f' set @q=len(@sql1) set @sql1=@sql1+REPLICATE('-',4000-@q) select @sql2=REPLICATE('-',8000) set @sql3='exec(@sql1' select @colid=max(colid) from #temp where number=@k? set @n=1 while @n<=CEILING(1.0*(@colid-1)/2) and len(@sQL3)<=3996 begin? set @sql3=@sql3+'+@' set @n=@n+1 end set @sql3=@sql3+')' exec sp_executesql @sql3,N'@sql1 nvarchar(4000),@ varchar(8000)',@sql1=@sql1,@=@sql2 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' 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'? begin if @tr_parent_xtype='V' begin set @OrigSpText2='CREATE TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION INSTEAD OF INSERT AS PRINT 1 ' end else begin set @OrigSpText2='CREATE TRIGGER '+@objectname+' ON '+OBJECT_NAME(@parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 ' end end if @type='V' set @OrigSpText2='CREATE VIEW '+@objectname+' WITH ENCRYPTION AS SELECT 1 as f' set @q=4000-len(@OrigSpText2) set @OrigSpText2=@OrigSpText2+REPLICATE('-',@q) end else begin SET @OrigSpText2=REPLICATE('-',4000) end SET @i=1 SET @resultsp = replicate(N'A',(datalength(@OrigSpText1) / 2)) 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 set @n=@n+1 end end set @k=@k+1 end drop table #temp rollback tran end

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