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Start adapting ssl_client2 to datagram I/O

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Manuel Pégourié-Gonnard 2014-07-11 14:14:15 +02:00 committed by Paul Bakker
parent 67427c07b2
commit ae5050c212
1 changed files with 55 additions and 14 deletions
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41
programs/ssl/ssl_client2.c
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@ -1177,6 +1177,11 @@ send_request:
printf( " < Read from server:" ); printf( " < Read from server:" );
fflush( stdout ); fflush( stdout );
/*
* TLS and DTLS need different reading styles (stream vs datagram)
*/
if( opt.transport == SSL_TRANSPORT_STREAM )
{
do do
{ {
len = sizeof( buf ) - 1; len = sizeof( buf ) - 1;
@ -1221,6 +1226,42 @@ send_request:
} }
} }
while( 1 ); while( 1 );
}
else /* Not stream, so datagram */
{
len = sizeof( buf ) - 1;
memset( buf, 0, sizeof( buf ) );
do ret = ssl_read( &ssl, buf, len );
while( ret == POLARSSL_ERR_NET_WANT_READ ||
ret == POLARSSL_ERR_NET_WANT_WRITE );
if( ret <= 0 )
{
switch( ret )
{
case POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY:
printf( " connection was closed gracefully\n" );
ret = 0;
goto close_notify;
case 0:
case POLARSSL_ERR_NET_CONN_RESET:
printf( " connection was reset by peer\n" );
ret = 0;
goto reconnect;
default:
printf( " ssl_read returned -0x%x\n", -ret );
goto exit;
}
}
len = ret;
buf[len] = '\0';
printf( " %d bytes read\n\n%s", len, (char *) buf );
ret = 0;
}
/* /*
* 7b. Continue doing data exchanges? * 7b. Continue doing data exchanges?