標題: 清除SQL被注入<script>惡意病毒代碼的語句 灰鴿子www.dumiaotech.com [打印本頁] 作者: admin 時間: 2013-1-26 21:44 標題: 清除SQL被注入<script>惡意病毒代碼的語句 灰鴿子www.dumiaotech.com declare @t varchar(255),@c varchar(255)
declare table_cursor cursor for select a.name,b.name
from sysobjects a,syscolumns b ,systypes c
where a.id=b.id and a.xtype='u' and c.name
in ('char', 'nchar', 'nvarchar', 'varchar','text','ntext')
declare @str varchar(500),@str2 varchar(500)
set @str='<script src=http://r01.3322.org/c.js></script>'/*要替換的內容*/
set @str2=''
open table_cursor
fetch next from table_cursor
into @t,@c while(@@fetch_status=0)
begin exec('update [' + @t + '] set [' + @c + ']=replace(cast([' + @c + '] as varchar(8000)),'''+@str+''','''+ @str2 +''')')
fetch next from table_cursor
into @t,@c end close table_cursor deallocate table_cursor;
--sql 去掉字段html代碼 dbo.StripAllTags(ProductDetails)
CREATE FUNCTION [dbo].[StripAllTags]
(
@input VARCHAR(8000) -- NVARCHAR(MAX)--2000內改為VARCHAR(8000)
)
RETURNS NVARCHAR(MAX)
AS
BEGIN
declare
@Result nvarchar(MAX),
@start int,
@end int,
@len int
set @input = @input+'<>'
set @Result = ''
set @len=len(@input)
set @start = charindex('<',@input,1)
set @end = charindex('>',@input,@start)
while(@start<@end)
begin
if(@start<>1)
set @Result = @Result + substring(@input,1,@start-1)
set @len = @len - @end
set @input = substring(@input,@end+1,@len)
set @start = charindex('<',@input,1)
set @end = charindex('>',@input,@start)
end