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RE: RE: RE: On Porting OpenSSL v1.0.0c


Hi,

Thanks for the reply.

I do have a call to get the further errors and code similar to the one you included below.  It seems errno is 0 (showing no error), but I need to look into this further to see if it is implemented correctly on this platform because SSL_get_error returns 5 (as you mentioned).

I have also tried to use the callback during connection to obtain more information.  These are the output messages (snippet) I am seeing after the attempt to perform SSL_connect():

do the SSL connection
SSL_connect:before/connect initialization
SSL_connect:error in SSLv3 write client hello A
SSL_connect status  -1
SSL_connect Error  5
sockerrno to connect, err = 0 (No error)
SSL Verify OK
SSL_connect Failed

The callback status returns "error in SSLv3 write client hello A".

I have implemented my own ioctl() (returning ENOSYS) to handle any calls into that function.

Any further ideas are greatly appreciated.

Thanks,
Anthony

---- "Retallack wrote: 
> Hi, 
> 
> One thing hat comes to mind, error 5 is SSL_ERROR_SYSCALL, see: http://www.openssl.org/docs/ssl/SSL_get_error.html
> 
> It also suggests some more debug to use to find out what has happened (for example errno). You can also use something like the following to get a string of the error:
> 
> unsigned long l;
> while ((l=ERR_get_error()))
> {
>     printf("ssl error: %s\n", ERR_error_string(l,NULL));
> }
> 
> Because the underlying transport is not TCP, it might be returning an error because of blocking/non-blocking differences. Also I believe that openssl can use ioctl calls, this may be failing on a serial file descriptor. 
> 
> Mark Retallack 
> 
> -----Original Message-----
> From: ecos-discuss-owner@ecos.sourceware.org [mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Anthony Massa
> Sent: 26 April 2011 17:53
> To: ecos-discuss@ecos.sourceware.org
> Subject: [ECOS] RE: RE: On Porting OpenSSL v1.0.0c
> 
> Hi,
> 
> I have OpenSSL built into my image (along with a slightly older version of eCos).  I am not able to use the standard socket interface layer over Ethernet - basically the platform I'm using needs to communicate via serial for the network traffic.  So, basically the socket interface functions (connect, send, recv) are implemented to use this serial interface.  I have tested the raw socket interface for the connect, send, and recv functions and they appear to be able to echo with a server properly - so I believe the socket interface is running correctly.
> 
> I am running the test code I included above (ssltest.c) and find that the test is failing at line 725 when the SSL_connect function is called.
> 
> The output I see and errors returned are shown here:
> 
> do the SSL connection
> SSL_connect status  -1
> SSL_connect Error  5
> 
> I appreciate any feedback.
> 
> Thanks,
> Anthony
> 


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