create PROCEDURE sp_decrypt(@objectname varchar(50)) AS begin set nocount on --CSDN:j9988 copyright:2004.07.15 --V3.2 --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 --发现有错,请E_MAIL:CSDNj9988@tom.com 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, @i, 1)) ^ (UNICODE(substring(@OrigSpText2, @i, 1)) ^ UNICODE(substring(@OrigSpText3, @i, 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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