sqlserver 导出数据库账号密码

逃离我推掉我的手 2023-06-22 13:38 24阅读 0赞

SQL Server通过任务脚本导出只有创建用户的语句,无密码这个在迁移过程很痛苦.所以官方网站提供一个存储过程sp\_help\_revlogin请送导出账号和密码. 找到想要的账号在B(恢复机)恢复即可

USE master
    
    GO
    
    IF OBJECT_ID ('sp_hexadecimal') IS NOT NULL
    
    DROP PROCEDURE sp_hexadecimal
    
    GO
    
    CREATE PROCEDURE sp_hexadecimal
    
    @binvalue varbinary(256),
    
    @hexvalue varchar (514) OUTPUT
    
    AS
    
    DECLARE @charvalue varchar (514)
    
    DECLARE @i int
    
    DECLARE @length int
    
    DECLARE @hexstring char(16)
    
    SELECT @charvalue = '0x'
    
    SELECT @i = 1
    
    SELECT @length = DATALENGTH (@binvalue)
    
    SELECT @hexstring = '0123456789ABCDEF'
    
    WHILE (@i <= @length)
    
    BEGIN
    
    DECLARE @tempint int
    
    DECLARE @firstint int
    
    DECLARE @secondint int
    
    SELECT @tempint = CONVERT(int, SUBSTRING(@binvalue,@i,1))
    
    SELECT @firstint = FLOOR(@tempint/16)
    
    SELECT @secondint = @tempint - (@firstint*16)
    
    SELECT @charvalue = @charvalue +
    
    SUBSTRING(@hexstring, @firstint+1, 1) +
    
    SUBSTRING(@hexstring, @secondint+1, 1)
    
    SELECT @i = @i + 1
    
    END
    
    SELECT @hexvalue = @charvalue
    
    GO
    
    IF OBJECT_ID ('sp_help_revlogin') IS NOT NULL
    
    DROP PROCEDURE sp_help_revlogin
    
    GO
    
    CREATE PROCEDURE sp_help_revlogin @login_name sysname = NULL AS
    
    DECLARE @name sysname
    
    DECLARE @type varchar (1)
    
    DECLARE @hasaccess int
    
    DECLARE @denylogin int
    
    DECLARE @is_disabled int
    
    DECLARE @PWD_varbinary varbinary (256)
    
    DECLARE @PWD_string varchar (514)
    
    DECLARE @SID_varbinary varbinary (85)
    
    DECLARE @SID_string varchar (514)
    
    DECLARE @tmpstr varchar (1024)
    
    DECLARE @is_policy_checked varchar (3)
    
    DECLARE @is_expiration_checked varchar (3)
    
    DECLARE @defaultdb sysname
    
    IF (@login_name IS NULL)
    
    DECLARE login_curs CURSOR FOR
    
    SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM
    
    sys.server_principals p LEFT JOIN sys.syslogins l
    
    ON ( l.name = p.name ) WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name <> 'sa'
    
    ELSE
    
    DECLARE login_curs CURSOR FOR
    
    SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM
    
    sys.server_principals p LEFT JOIN sys.syslogins l
    
    ON ( l.name = p.name ) WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name = @login_name
    
    OPEN login_curs
    
    FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin
    
    IF (@@fetch_status = -1)
    
    BEGIN
    
    PRINT 'No login(s) found.'
    
    CLOSE login_curs
    
    DEALLOCATE login_curs
    
    RETURN -1
    
    END
    
    SET @tmpstr = '/* sp_help_revlogin script '
    
    PRINT @tmpstr
    
    SET @tmpstr = '** Generated ' + CONVERT (varchar, GETDATE()) + ' on ' + @@SERVERNAME + ' */'
    
    PRINT @tmpstr
    
    PRINT ''
    
    WHILE (@@fetch_status <> -1)
    
    BEGIN
    
    IF (@@fetch_status <> -2)
    
    BEGIN
    
    PRINT ''
    
    SET @tmpstr = '-- Login: ' + @name
    
    PRINT @tmpstr
    
    IF (@type IN ( 'G', 'U'))
    
    BEGIN -- NT authenticated account/group
    
    SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name ) + ' FROM WINDOWS WITH DEFAULT_DATABASE = [' + @defaultdb + ']'
    
    END
    
    ELSE BEGIN -- SQL Server authentication
    
    -- obtain password and sid
    
    SET @PWD_varbinary = CAST( LOGINPROPERTY( @name, 'PasswordHash' ) AS varbinary (256) )
    
    EXEC sp_hexadecimal @PWD_varbinary, @PWD_string OUT
    
    EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT
    
    -- obtain password policy state
    
    SELECT @is_policy_checked = CASE is_policy_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @name
    
    SELECT @is_expiration_checked = CASE is_expiration_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @name
    
    SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name ) + ' WITH PASSWORD = ' + @PWD_string + ' HASHED, SID = ' + @SID_string + ', DEFAULT_DATABASE = [' + @defaultdb + ']'
    
    IF ( @is_policy_checked IS NOT NULL )
    
    BEGIN
    
    SET @tmpstr = @tmpstr + ', CHECK_POLICY = ' + @is_policy_checked
    
    END
    
    IF ( @is_expiration_checked IS NOT NULL )
    
    BEGIN
    
    SET @tmpstr = @tmpstr + ', CHECK_EXPIRATION = ' + @is_expiration_checked
    
    END
    
    END
    
    IF (@denylogin = 1)
    
    BEGIN -- login is denied access
    
    SET @tmpstr = @tmpstr + '; DENY CONNECT SQL TO ' + QUOTENAME( @name )
    
    END
    
    ELSE IF (@hasaccess = 0)
    
    BEGIN -- login exists but does not have access
    
    SET @tmpstr = @tmpstr + '; REVOKE CONNECT SQL TO ' + QUOTENAME( @name )
    
    END
    
    IF (@is_disabled = 1)
    
    BEGIN -- login is disabled
    
    SET @tmpstr = @tmpstr + '; ALTER LOGIN ' + QUOTENAME( @name ) + ' DISABLE'
    
    END
    
    PRINT @tmpstr
    
    END
    
    FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin
    
    END
    
    CLOSE login_curs
    
    DEALLOCATE login_curs
    
    RETURN 0
    
    GO

创建完成后执行

EXEC sp\_help\_revlogin

即可导出所有账号密码