SQLSERVER 修改密码提示 “错误 2812: 未能找到存储过程 'sp_password'。” 解决方法
问题分析：因 SQL 服务器中毒，导致病毒篡改 SQL 用户的密码，病毒为了阻止操作员手工修正（修改）SQL用户的密码，而把存储过程 'sp_password' 删除，导致的问题。错误如下图所示：
解决思路：在系统中重新建一个 'sp_password' 的存储过程，以便更新现有的 SQL用户密码
附录：重建 sp_passsword 存储过程代码 （复制以下代码到SQL查询分析器中执行下即可）。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | -- SQL代码开始 sp_configure 'allow updates', 1 RECONFIGURE WITH OVERRIDE go use master go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_password]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[sp_password] go create procedure sp_password @old sysname = NULL, -- the old (current) password @new sysname, -- the new password @loginame sysname = NULL -- user to change password on as -- SETUP RUNTIME OPTIONS / DECLARE VARIABLES -- set nocount on declare @self int select @self = CASE WHEN @loginame is null THEN 1 ELSE 2 END -- RESOLVE LOGIN NAME if @loginame is null select @loginame = suser_sname() -- CHECK PERMISSIONS (SecurityAdmin per Richard Waymire) -- IF (not is_srvrolemember('securityadmin') = 1) AND not @self = 1 begin dbcc auditevent (107, @self, 0, @loginame, NULL, NULL, NULL) raiserror(15210,-1,-1) return (1) end ELSE begin dbcc auditevent (107, @self, 1, @loginame, NULL, NULL, NULL) end -- DISALLOW USER TRANSACTION -- set implicit_transactions off IF (@@trancount > 0) begin raiserror(15002,-1,-1,'sp_password') return (1) end -- RESOLVE LOGIN NAME (disallows nt names) if not exists (select * from master.dbo.syslogins where loginname = @loginame and isntname = 0) begin raiserror(15007,-1,-1,@loginame) return (1) end -- IF non-SYSADMIN ATTEMPTING CHANGE TO SYSADMIN, REQUIRE PASSWORD (218078) -- if (@self <> 1 AND is_srvrolemember('sysadmin') = 0 AND exists (SELECT * FROM master.dbo.syslogins WHERE loginname = @loginame and isntname = 0 AND sysadmin = 1) ) SELECT @self = 1 -- CHECK OLD PASSWORD IF NEEDED -- if (@self = 1 or @old is not null) if not exists (select * from master.dbo.sysxlogins where srvid IS NULL and name = @loginame and ( (@old is null and password is null) or (pwdcompare(@old, password, (CASE WHEN xstatus&2048 = 2048 THEN 1 ELSE 0 END)) = 1) ) ) begin raiserror(15211,-1,-1) return (1) end -- CHANGE THE PASSWORD -- update master.dbo.sysxlogins set password = convert(varbinary(256), pwdencrypt(@new)), xdate2 = getdate(), xstatus = xstatus & (~2048) where name = @loginame and srvid IS NULL -- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE SYSLOGINS CHANGE -- exec('use master grant all to null') -- FINALIZATION: RETURN SUCCESS/FAILURE -- if @@error <> 0 return (1) raiserror(15478,-1,-1) return (0) -- sp_password GO sp_configure 'allow updates', 0 RECONFIGURE WITH OVERRIDE -- SQL代码结束 |
