root / ui / vnc-ws.h @ 834574ea
History | View | Annotate | Download (2.5 kB)
1 | 7536ee4b | Tim Hardeck | /*
|
---|---|---|---|
2 | 7536ee4b | Tim Hardeck | * QEMU VNC display driver: Websockets support
|
3 | 7536ee4b | Tim Hardeck | *
|
4 | 7536ee4b | Tim Hardeck | * Copyright (C) 2010 Joel Martin
|
5 | 7536ee4b | Tim Hardeck | * Copyright (C) 2012 Tim Hardeck
|
6 | 7536ee4b | Tim Hardeck | *
|
7 | 7536ee4b | Tim Hardeck | * This is free software; you can redistribute it and/or modify
|
8 | 7536ee4b | Tim Hardeck | * it under the terms of the GNU General Public License as published by
|
9 | 7536ee4b | Tim Hardeck | * the Free Software Foundation; either version 2 of the License, or
|
10 | 7536ee4b | Tim Hardeck | * (at your option) any later version.
|
11 | 7536ee4b | Tim Hardeck | *
|
12 | 7536ee4b | Tim Hardeck | * This software is distributed in the hope that it will be useful,
|
13 | 7536ee4b | Tim Hardeck | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
14 | 7536ee4b | Tim Hardeck | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
15 | 7536ee4b | Tim Hardeck | * GNU General Public License for more details.
|
16 | 7536ee4b | Tim Hardeck | *
|
17 | 7536ee4b | Tim Hardeck | * You should have received a copy of the GNU General Public License
|
18 | 7536ee4b | Tim Hardeck | * along with this software; if not, see <http://www.gnu.org/licenses/>.
|
19 | 7536ee4b | Tim Hardeck | */
|
20 | 7536ee4b | Tim Hardeck | |
21 | 7536ee4b | Tim Hardeck | #ifndef __QEMU_UI_VNC_WS_H
|
22 | 7536ee4b | Tim Hardeck | #define __QEMU_UI_VNC_WS_H
|
23 | 7536ee4b | Tim Hardeck | |
24 | 7536ee4b | Tim Hardeck | #include <gnutls/gnutls.h> |
25 | 7536ee4b | Tim Hardeck | |
26 | 7536ee4b | Tim Hardeck | #define B64LEN(__x) (((__x + 2) / 3) * 12 / 3) |
27 | 7536ee4b | Tim Hardeck | #define SHA1_DIGEST_LEN 20 |
28 | 7536ee4b | Tim Hardeck | |
29 | 7536ee4b | Tim Hardeck | #define WS_ACCEPT_LEN (B64LEN(SHA1_DIGEST_LEN) + 1) |
30 | 7536ee4b | Tim Hardeck | #define WS_CLIENT_KEY_LEN 24 |
31 | 7536ee4b | Tim Hardeck | #define WS_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" |
32 | 7536ee4b | Tim Hardeck | #define WS_GUID_LEN strlen(WS_GUID)
|
33 | 7536ee4b | Tim Hardeck | |
34 | 7536ee4b | Tim Hardeck | #define WS_HANDSHAKE "HTTP/1.1 101 Switching Protocols\r\n\ |
35 | 7536ee4b | Tim Hardeck | Upgrade: websocket\r\n\
|
36 | 7536ee4b | Tim Hardeck | Connection: Upgrade\r\n\
|
37 | 7536ee4b | Tim Hardeck | Sec-WebSocket-Accept: %s\r\n\
|
38 | 7536ee4b | Tim Hardeck | Sec-WebSocket-Protocol: binary\r\n\
|
39 | 7536ee4b | Tim Hardeck | \r\n"
|
40 | 7536ee4b | Tim Hardeck | #define WS_HANDSHAKE_DELIM "\r\n" |
41 | 7536ee4b | Tim Hardeck | #define WS_HANDSHAKE_END "\r\n\r\n" |
42 | 7536ee4b | Tim Hardeck | #define WS_SUPPORTED_VERSION "13" |
43 | 7536ee4b | Tim Hardeck | |
44 | 7536ee4b | Tim Hardeck | #define WS_HEAD_MIN_LEN sizeof(uint16_t) |
45 | 7536ee4b | Tim Hardeck | #define WS_HEAD_MAX_LEN (WS_HEAD_MIN_LEN + sizeof(uint64_t) + sizeof(uint32_t)) |
46 | 7536ee4b | Tim Hardeck | |
47 | 7536ee4b | Tim Hardeck | typedef union WsMask { |
48 | 7536ee4b | Tim Hardeck | char c[4]; |
49 | 7536ee4b | Tim Hardeck | uint32_t u; |
50 | 7536ee4b | Tim Hardeck | } WsMask; |
51 | 7536ee4b | Tim Hardeck | |
52 | 7536ee4b | Tim Hardeck | typedef struct QEMU_PACKED WsHeader { |
53 | 7536ee4b | Tim Hardeck | unsigned char b0; |
54 | 7536ee4b | Tim Hardeck | unsigned char b1; |
55 | 7536ee4b | Tim Hardeck | union {
|
56 | 7536ee4b | Tim Hardeck | struct QEMU_PACKED {
|
57 | 7536ee4b | Tim Hardeck | uint16_t l16; |
58 | 7536ee4b | Tim Hardeck | WsMask m16; |
59 | 7536ee4b | Tim Hardeck | } s16; |
60 | 7536ee4b | Tim Hardeck | struct QEMU_PACKED {
|
61 | 7536ee4b | Tim Hardeck | uint64_t l64; |
62 | 7536ee4b | Tim Hardeck | WsMask m64; |
63 | 7536ee4b | Tim Hardeck | } s64; |
64 | 7536ee4b | Tim Hardeck | WsMask m; |
65 | 7536ee4b | Tim Hardeck | } u; |
66 | 7536ee4b | Tim Hardeck | } WsHeader; |
67 | 7536ee4b | Tim Hardeck | |
68 | 7536ee4b | Tim Hardeck | enum {
|
69 | 7536ee4b | Tim Hardeck | WS_OPCODE_CONTINUATION = 0x0,
|
70 | 7536ee4b | Tim Hardeck | WS_OPCODE_TEXT_FRAME = 0x1,
|
71 | 7536ee4b | Tim Hardeck | WS_OPCODE_BINARY_FRAME = 0x2,
|
72 | 7536ee4b | Tim Hardeck | WS_OPCODE_CLOSE = 0x8,
|
73 | 7536ee4b | Tim Hardeck | WS_OPCODE_PING = 0x9,
|
74 | 7536ee4b | Tim Hardeck | WS_OPCODE_PONG = 0xA
|
75 | 7536ee4b | Tim Hardeck | }; |
76 | 7536ee4b | Tim Hardeck | |
77 | 7536ee4b | Tim Hardeck | void vncws_handshake_read(void *opaque); |
78 | 7536ee4b | Tim Hardeck | long vnc_client_write_ws(VncState *vs);
|
79 | 7536ee4b | Tim Hardeck | long vnc_client_read_ws(VncState *vs);
|
80 | 7536ee4b | Tim Hardeck | void vncws_process_handshake(VncState *vs, uint8_t *line, size_t size);
|
81 | 7536ee4b | Tim Hardeck | void vncws_encode_frame(Buffer *output, const void *payload, |
82 | 7536ee4b | Tim Hardeck | const size_t payload_size);
|
83 | 7536ee4b | Tim Hardeck | int vncws_decode_frame(Buffer *input, uint8_t **payload,
|
84 | 7536ee4b | Tim Hardeck | size_t *payload_size, size_t *frame_size); |
85 | 7536ee4b | Tim Hardeck | |
86 | 7536ee4b | Tim Hardeck | #endif /* __QEMU_UI_VNC_WS_H */ |