/******************************************************************************
* NETCON_recv
* Basically calls 'recv()' unless we should use SSL
* number of chars received is put in *recvd
*/
DWORD NETCON_recv(netconn_t *connection, void *buf, size_t len, int flags,
int *recvd /* out */)
{
*recvd = 0;
if (!len)
return ERROR_SUCCESS;
if (!connection->useSSL)
{
*recvd = recv(connection->socketFD, buf, len, flags);
return *recvd == -1 ? sock_get_error(errno) : ERROR_SUCCESS;
}
else
{
#ifdef SONAME_LIBSSL
if(!connection->ssl_s) {
FIXME("not connected\n");
return ERROR_NOT_SUPPORTED;
}
*recvd = pSSL_read(connection->ssl_s, buf, len);
/* Check if EOF was received */
if(!*recvd && (pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_ZERO_RETURN
|| pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_SYSCALL))
return ERROR_SUCCESS;
return *recvd > 0 ? ERROR_SUCCESS : ERROR_INTERNET_CONNECTION_ABORTED;
#else
return ERROR_NOT_SUPPORTED;
#endif
}
}
BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
{
int ret;
*recvd = 0;
if (!netconn_connected( conn )) return FALSE;
if (!len) return TRUE;
if (conn->secure)
{
#ifdef SONAME_LIBSSL
if (flags & ~(MSG_PEEK | MSG_WAITALL))
FIXME("SSL_read does not support the following flags: %08x\n", flags);
/* this ugly hack is all for MSG_PEEK */
if (flags & MSG_PEEK && !conn->peek_msg)
{
if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
}
else if (flags & MSG_PEEK && conn->peek_msg)
{
if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
*recvd = min( len, conn->peek_len );
memcpy( buf, conn->peek_msg, *recvd );
return TRUE;
}
else if (conn->peek_msg)
{
*recvd = min( len, conn->peek_len );
memcpy( buf, conn->peek_msg, *recvd );
conn->peek_len -= *recvd;
conn->peek_msg += *recvd;
if (conn->peek_len == 0)
{
heap_free( conn->peek_msg_mem );
conn->peek_msg_mem = NULL;
conn->peek_msg = NULL;
}
/* check if we have enough data from the peek buffer */
if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
}
ret = pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
if (ret < 0)
return FALSE;
/* check if EOF was received */
if (!ret && (pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_ZERO_RETURN ||
pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_SYSCALL ))
{
netconn_close( conn );
return TRUE;
}
if (flags & MSG_PEEK) /* must copy into buffer */
{
conn->peek_len = ret;
if (!ret)
{
heap_free( conn->peek_msg_mem );
conn->peek_msg_mem = NULL;
conn->peek_msg = NULL;
}
else memcpy( conn->peek_msg, buf, ret );
}
*recvd = ret;
return TRUE;
#else
return FALSE;
#endif
}
if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
{
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
