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fix issue https://github.com/HXSecurity/DongTai/issues/808 #42

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Fliv wants to merge 1 commit into HXSecurity:main from Fliv:fix808

Fliv commented Aug 8, 2022

修复了业务代码在grpc中使用了一元拦截器（UnaryInterceptor）时候的报错https://github.com/HXSecurity/DongTai/issues/808
步骤如下：

增加了对grpc.UnaryInterceptor函数的hook，取出并保存业务代码中注册的一元拦截器，并把grpc.UnaryInterceptor返回置为nil
在grpc.NewServer的hook实现中把...grpc.ServerOption入参中的nil值去掉（即上一步中hook的一元拦截器），从unaryInterceptor.UnaryServerInterceptors取出上一步保存的一元拦截器，用第三方链式拦截器库go-grpc-middleware.ChainUnaryServer把agent的拦截器和业务拦截器一起加载


          fix issue https://github.com/HXSecurity/DongTai/issues/808

86f1e44

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