Jean-Frederic,

On 7/10/15 10:48 AM, jfcl...@apache.org wrote:
> Author: jfclere
> Date: Fri Jul 10 15:48:01 2015
> New Revision: 1690279
> 
> URL: http://svn.apache.org/r1690279
> Log:
> Make sure we don't core the JVM if called wrongly from a destroyed or closed 
> socket.
> 
> Modified:
>     tomcat/native/trunk/native/src/network.c
> 
> Modified: tomcat/native/trunk/native/src/network.c
> URL: 
> http://svn.apache.org/viewvc/tomcat/native/trunk/native/src/network.c?rev=1690279&r1=1690278&r2=1690279&view=diff
> ==============================================================================
> --- tomcat/native/trunk/native/src/network.c (original)
> +++ tomcat/native/trunk/native/src/network.c Fri Jul 10 15:48:01 2015
> @@ -1152,8 +1152,10 @@ TCN_IMPLEMENT_CALL(jint, Socket, optSet)
>      if (!s->sock) {
>          return APR_ENOTSOCK;
>      }
> -    else
> -        return (jint)(*s->net->opt_set)(s->opaque, (apr_int32_t)opt, 
> (apr_int32_t)on);
> +    if(!s->net) {
> +        return -(jint)APR_EINVALSOCK;
> +    }
> +    return (jint)(*s->net->opt_set)(s->opaque, (apr_int32_t)opt, 
> (apr_int32_t)on);
>  }
>  
>  TCN_IMPLEMENT_CALL(jint, Socket, optGet)(TCN_STDARGS, jlong sock,
> @@ -1163,12 +1165,16 @@ TCN_IMPLEMENT_CALL(jint, Socket, optGet)
>      apr_int32_t on = 0;
>  
>      UNREFERENCED(o);
> -    if (!s->sock)
> +    if (!s->sock) {
>          tcn_ThrowAPRException(e, APR_ENOTSOCK);
> -    else {
> -        TCN_THROW_IF_ERR((*s->net->opt_get)(s->opaque, (apr_int32_t)opt,
> -                                            &on), on);
> +        return APR_ENOTSOCK;
> +    }
> +    if(!s->net) {
> +        tcn_ThrowAPRException(e, APR_EINVALSOCK);
> +        return -(jint)APR_EINVALSOCK;
>      }
> +    TCN_THROW_IF_ERR((*s->net->opt_get)(s->opaque, (apr_int32_t)opt,
> +                                        &on), on);
>  cleanup:
>      return (jint)on;
>  }
> @@ -1181,9 +1187,11 @@ TCN_IMPLEMENT_CALL(jint, Socket, timeout
>      UNREFERENCED(o);
>      TCN_ASSERT(s->opaque != NULL);
>      if (!sock) {
> -        tcn_ThrowAPRException(e, APR_ENOTSOCK);
>          return APR_ENOTSOCK;
>      }
> +    if(!s->net) {
> +        return -(jint)APR_EINVALSOCK;
> +    }
>      return (jint)(*s->net->timeout_set)(s->opaque, J2T(timeout));
>  }
>  
> @@ -1197,6 +1205,10 @@ TCN_IMPLEMENT_CALL(jlong, Socket, timeou
>          tcn_ThrowAPRException(e, APR_ENOTSOCK);
>          return 0;
>      }
> +    if(!s->net) {
> +        tcn_ThrowAPRException(e, APR_EINVALSOCK);
> +        return -(jint)APR_EINVALSOCK;
> +    }
>      TCN_ASSERT(s->opaque != NULL);
>  
>      TCN_THROW_IF_ERR((*s->net->timeout_get)(s->opaque, &timeout), timeout);

It looks like we inconsistently throw an exception and/or return
APR_EINVALSOCK. Should we always do one or the other? (Unfortunately,
tcn_ThrowAPRException always throws a java.lang.Error and not something
more specific. It might be nice to change that to something like
APRException.)

-chris

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