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  • 如何在实例之间传输登录和密码

    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

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  • 原文地址:https://www.cnblogs.com/qanholas/p/2291951.html
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