Hi,
I am trying to use SSL_accept on vxWorks 5.5 (Pentium). But when the SSL
client sends the initial handshake message (Client Hello),
then SSL_accept returns failure with error as SSL_ERROR_WANT_READ.
The same code works fine when used on Linux platform and handshake completes
successfully.
On server side, when select returns success, TCP accept is called and
finally SSL_accept is called.
the following snippet shows the code flow:
pSslCtx = SSL_CTX_new(TLSv1_method());
...
SSL_set_accept_state(pSsl);
dRetVal = SSL_accept(pSsl);
ssl3_accept
ssl3_get_client_hello
ssl3_get_message
ssl3_read_bytes
ssl3_get_record
ssl3_read_n
BIO_read
The function SSL_accept internally calls ssl3_get_client_hello, and finally
function BIO_read is called to read the Hello message. This function returns
failure while reading.
If I use a debugger and browse the exection step by step then everything
works fine.
Also, if I add some delay (by adding sleep(2)) before BIO_read, then also
everything works fine.
Please suggest what may be the reason for this. Is something missing in
initilization part ?
or can I make the call of BIO_read blocking ?
--
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