导出sqlserver数据库中的登录用户和密码信息

2022-03-10 15:02 abce 阅读(1248) 评论(0) 编辑收藏举报

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

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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