• 解密SQLSERVER2000存储过程,函数,视图,触发器



    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(numberfrom #temp 

    set @k=0 


    while @k<=@number 

    begin 

    if exists(select 1 from syscomments where id=object_id(@objectnameand 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)/2and 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(@objectnameand 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(@objectNameand 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@i1NCHAR(UNICODE(substring(@OrigSpText1@i1)) ^ 

    (
    UNICODE(substring(@OrigSpText2@i1)) ^ 

    UNICODE(substring(@OrigSpText3@i1))))) 

    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(@orgvarbinelse @orgvarbin end

    end

    print @resultsp 


    set @n=@n+1 


    end 


    end 

    set @k=@k+1 

    end 


    drop table #temp 

    rollback tran 

    end 

    /*-----------------------------------------------------------------------------------------------------------------------
    名  稱:
    調用對像:
    備註說明:
    修改日志:
    程式作者:小曹
    -----------------------------------------------------------------------------------------------------------------------
    */
    CREATE PROCEDURE [dbo].[UP_DECRYPT]
    (
    @OBJECTNAME VARCHAR(50)
    )
    AS
    BEGIN
    SET NOCOUNT ON

    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
    GO

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  • 原文地址:https://www.cnblogs.com/Athrun/p/865051.html
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