Hi Robin,
I confirm the patch on your web-site
http://sctp.fh-muenster.de/dtls-patches.html#dtlsbugfixes
(Socketerror#???) helps resolve this DTLS connect issue on windows.
Thanks for the quick turnaround.
-Yogi
On Fri, Jul 8, 2011 at 5:16 PM, Nilesh Vaghela <[email protected]> wrote:
> Hi,
>
> We are using the non blocking IO(select) for testing DTLS and testing it on
> Windows with openssl-1.0.0d.
>
> We observe that when we call SSL_connect, it returns us -1 (as expected
> because operation should be in progress)
> and then when this return code is passed to SSL_get_error() function we
> expect that it would return SSL_WANT_READ
> but it passes us SSL_ERROR_SYSCALL. This happens only on Windows OS. On
> Linux the same program works fine
> as the call rightly returns us SSL_WANT_READ and then SSL_SUCCESS to
> complete the connection.
>
>
> To illustrate attaching the program we use to test on Linux and Windows OS.
> Attached is a tar ball which contains the VC project with sample program
> "simple_dtls_udp_echo.c" at the root.
>
> Note: This program acts only as client. Server you can run on Linux as given
> in the post
> http://www.mail-archive.com/[email protected]/msg29413.html
>
> If you want to directly test then build the project in Visula studio and go
> to windows/vc_proj/Debug/ and run
> ./dtls.exe <server IP> <server port> (copy certificates and keys in this
> directory)
>
> If you want to make changes then open the project solution
> windows/vc_proj/dtls.sln in Visual Studio 2003
> and change the path for the openssl library and include files and rebuild.
>
> (if you need any other files let me know I will send you email separately as
> this forum has some attachment size limit).
>
> If you run the same program on Linux then it will work fine and it will make
> the connection successfully.
> To compile on Linux :
> gcc -DLINUX simple_dtls_udp_echo.c -o simple_s -I
> /home/buildboy/Openssl/openssl-1.0.0d//include -l pthread -l dl
> /home/buildboy/Openssl/openssl-1.0.0d/libssl.a
> /home/buildboy/Openssl/openssl-1.0.0d//libcrypto.a
>
> --Nilesh.
>
>
> Stratacache Inc.(Santa Clara Office)
> Systems Architect
> O: 408-844-9810(2110)
> M: 408-202-5401
>
>
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