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sql server 2000存储过程、存储函数的解密

原创 Linux操作系统 作者:renweiqiuzhishou 时间:2010-04-09 23:14:12 0 删除 编辑
sql server 2000存储过程、存储函数的解密
邮箱:ziqiang_ak@126.com
 
----sql server 2000存储过程、存储函数的解密
----在网上搜索的,非常感谢原作者
----直接在查询分析器里运行即可
--------------------------------------
--sql server 2000存储过程、存储函数的加密:
--CREATE PROCEDURE
--{RECOMPILE | ENCRYPTION | RECOMPILE, ENCRYPTION}
--RECOMPILE 表明 SQL Server 不会缓存该过程的计划,该过程将在运行时重新编译。
--在使用非典型值或临时值而不希望覆盖缓存在内存中的--执行计划时,请使用 RECOMPILE 选项。
--ENCRYPTION 表示 SQL Server 加密 syscomments 表中包含 CREATE PROCEDURE 语句文本的条目。
--使用 ENCRYPTION 可防止将过程作为 SQL --Server 复制的一部分发布。
--存储过程加密 exec sp_XML_main  'AppSP_test'
drop procedure [dbo].[sp_XML_main]
go
CREATE procedure dbo.sp_XML_main
@table_name nvarchar(260)='',
@dirname nvarchar(20)=''
WITH ENCRYPTION
as
begin
print '存储过程已加密'
end
go
-----------------------------------
--sql server 2000存储过程、存储函数的解密(以下是一位绝世高人编写的代码)
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_decrypt]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_decrypt]
GO
--破解函数,过程,触发器,视图.仅限于SQLSERVER2000
--作者:J9988--
/*
    --调用示例
    --解密指定存储过程
    --存储过程解密 exec sp_decrypt 'AppSP_test'
    --对所有的存储过程解密
    declare tb cursor for
    select name from sysobjects where xtype='P' and status>0 and name<>'sp_decrypt' order by name
 
    declare @name sysname
    open tb
    fetch next from tb into @name
    while @@fetch_status=0
    begin
        print '-----------存储过程 ['+@name+'] -----------'
        exec sp_decrypt @name
        fetch next from tb into @name
    end
    close tb
    deallocate tb
*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SP_DECRYPT]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
    drop procedure [dbo].[SP_DECRYPT]
GO
CREATE  PROCEDURE sp_decrypt(@objectName varchar(50))
AS
begin
set nocount on
--CSDN:j9988 copyright:2004.04.15
--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
--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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