2 * QEMU VNC display driver: Websockets support
4 * Copyright (C) 2010 Joel Martin
5 * Copyright (C) 2012 Tim Hardeck
7 * This is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this software; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "qapi/error.h"
24 #include "io/channel-websock.h"
26 static void vncws_tls_handshake_done(Object *source,
30 VncState *vs = user_data;
33 VNC_DEBUG("Handshake failed %s\n", error_get_pretty(err));
36 VNC_DEBUG("TLS handshake complete, starting websocket handshake\n");
37 vs->ioc_tag = qio_channel_add_watch(
38 QIO_CHANNEL(vs->ioc), G_IO_IN, vncws_handshake_io, vs, NULL);
43 gboolean vncws_tls_handshake_io(QIOChannel *ioc G_GNUC_UNUSED,
44 GIOCondition condition G_GNUC_UNUSED,
47 VncState *vs = opaque;
51 VNC_DEBUG("TLS Websocket connection required\n");
53 g_source_remove(vs->ioc_tag);
57 tls = qio_channel_tls_new_server(
63 VNC_DEBUG("Failed to setup TLS %s\n", error_get_pretty(err));
69 VNC_DEBUG("Start TLS WS handshake process\n");
70 object_unref(OBJECT(vs->ioc));
71 vs->ioc = QIO_CHANNEL(tls);
72 vs->tls = qio_channel_tls_get_session(tls);
74 qio_channel_tls_handshake(tls,
75 vncws_tls_handshake_done,
83 static void vncws_handshake_done(Object *source,
87 VncState *vs = user_data;
90 VNC_DEBUG("Websock handshake failed %s\n", error_get_pretty(err));
93 VNC_DEBUG("Websock handshake complete, starting VNC protocol\n");
95 vs->ioc_tag = qio_channel_add_watch(
96 vs->ioc, G_IO_IN, vnc_client_io, vs, NULL);
101 gboolean vncws_handshake_io(QIOChannel *ioc G_GNUC_UNUSED,
102 GIOCondition condition G_GNUC_UNUSED,
105 VncState *vs = opaque;
106 QIOChannelWebsock *wioc;
108 VNC_DEBUG("Websocket negotiate starting\n");
110 g_source_remove(vs->ioc_tag);
114 wioc = qio_channel_websock_new_server(vs->ioc);
116 object_unref(OBJECT(vs->ioc));
117 vs->ioc = QIO_CHANNEL(wioc);
119 qio_channel_websock_handshake(wioc,
120 vncws_handshake_done,