• 导出sqlserver数据库中的登录用户和密码信息1


    https://docs.microsoft.com/en-US/troubleshoot/sql/security/transfer-logins-passwords-between-instances

    创建存储过程,生成需要的脚本,传输logins和密码:

    在[数据库]-->[系统数据库]-->[master]-->[可编程性]-->[存储过程]查看,会生成两个存储过程:sp_hexadecimal和sp_help_revlogin

    USE [master]
      GO
      IF OBJECT_ID ('sp_hexadecimal') IS NOT NULL
      DROP PROCEDURE sp_hexadecimal
      GO
      CREATE PROCEDURE [dbo].[sp_hexadecimal]
      (
          @binvalue varbinary(256),
          @hexvalue varchar (514) OUTPUT
      )
      AS
      BEGIN
          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
      END
      go
      IF OBJECT_ID ('sp_help_revlogin') IS NOT NULL
      DROP PROCEDURE sp_help_revlogin
      GO
      CREATE PROCEDURE [dbo].[sp_help_revlogin]   
      (
          @login_name sysname = NULL 
      )
      AS
      BEGIN
          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 @Prefix                   VARCHAR(255)
          DECLARE @defaultdb                SYSNAME
          DECLARE @defaultlanguage          SYSNAME     
          DECLARE @tmpstrRole               VARCHAR (1024)
    
      IF (@login_name IS NULL)
      BEGIN
          DECLARE login_curs CURSOR 
          FOR 
              SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin, p.default_language_name  
              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'
              ORDER BY p.name
      END
      ELSE
              DECLARE login_curs CURSOR 
              FOR 
                  SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin, p.default_language_name  
                  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
                  ORDER BY p.name
    
              OPEN login_curs 
              FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin, @defaultlanguage 
              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
    
                      SET @tmpstr='IF NOT EXISTS (SELECT * FROM sys.server_principals WHERE name = N'''+@name+''')
                      BEGIN'
                      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 + ']' + ', DEFAULT_LANGUAGE = [' + @defaultlanguage + ']'
    
                              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 
    
              SET @Prefix = '
              EXEC master.dbo.sp_addsrvrolemember @loginame='''
    
              SET @tmpstrRole=''
    
              SELECT @tmpstrRole = @tmpstrRole
                  + CASE WHEN sysadmin        = 1 THEN @Prefix + [LoginName] + ''', @rolename=''sysadmin'''        ELSE '' END
                  + CASE WHEN securityadmin   = 1 THEN @Prefix + [LoginName] + ''', @rolename=''securityadmin'''   ELSE '' END
                  + CASE WHEN serveradmin     = 1 THEN @Prefix + [LoginName] + ''', @rolename=''serveradmin'''     ELSE '' END
                  + CASE WHEN setupadmin      = 1 THEN @Prefix + [LoginName] + ''', @rolename=''setupadmin'''      ELSE '' END
                  + CASE WHEN processadmin    = 1 THEN @Prefix + [LoginName] + ''', @rolename=''processadmin'''    ELSE '' END
                  + CASE WHEN diskadmin       = 1 THEN @Prefix + [LoginName] + ''', @rolename=''diskadmin'''       ELSE '' END
                  + CASE WHEN dbcreator       = 1 THEN @Prefix + [LoginName] + ''', @rolename=''dbcreator'''       ELSE '' END
                  + CASE WHEN bulkadmin       = 1 THEN @Prefix + [LoginName] + ''', @rolename=''bulkadmin'''       ELSE '' END
                FROM (
                          SELECT CONVERT(VARCHAR(100),SUSER_SNAME(sid)) AS [LoginName],
                                  sysadmin,
                                  securityadmin,
                                  serveradmin,
                                  setupadmin,
                                  processadmin,
                                  diskadmin,
                                  dbcreator,
                                  bulkadmin
                          FROM sys.syslogins
                          WHERE (       sysadmin<>0
                                  OR    securityadmin<>0
                                  OR    serveradmin<>0
                                  OR    setupadmin <>0
                                  OR    processadmin <>0
                                  OR    diskadmin<>0
                                  OR    dbcreator<>0
                                  OR    bulkadmin<>0
                              ) 
                              AND name=@name 
                    ) L 
    
                  PRINT @tmpstr
                  PRINT @tmpstrRole
                  PRINT 'END'
              END 
              FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin, @defaultlanguage 
          END
          CLOSE login_curs
          DEALLOCATE login_curs
          RETURN 0
      END
    

      

    执行EXEC sp_help_revlogin,生成登录用户和密码:

    EXEC sp_help_revlogin
    

      

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  • 原文地址:https://www.cnblogs.com/abclife/p/15989556.html
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