projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 7536ee4b TH |
1 | /* |
| 2 | * QEMU VNC display driver: Websockets support | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Joel Martin | |
| 5 | * Copyright (C) 2012 Tim Hardeck | |
| 6 | * | |
| 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. | |
| 11 | * | |
| 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. | |
| 16 | * | |
| 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/>. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef __QEMU_UI_VNC_WS_H | |
| 22 | #define __QEMU_UI_VNC_WS_H | |
| 23 | ||
| 24 | #include <gnutls/gnutls.h> | |
| 25 | ||
| 26 | #define B64LEN(__x) (((__x + 2) / 3) * 12 / 3) | |
| 27 | #define SHA1_DIGEST_LEN 20 | |
| 28 | ||
| 29 | #define WS_ACCEPT_LEN (B64LEN(SHA1_DIGEST_LEN) + 1) | |
| 30 | #define WS_CLIENT_KEY_LEN 24 | |
| 31 | #define WS_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" | |
| 32 | #define WS_GUID_LEN strlen(WS_GUID) | |
| 33 | ||
| 34 | #define WS_HANDSHAKE "HTTP/1.1 101 Switching Protocols\r\n\ | |
| 35 | Upgrade: websocket\r\n\ | |
| 36 | Connection: Upgrade\r\n\ | |
| 37 | Sec-WebSocket-Accept: %s\r\n\ | |
| 38 | Sec-WebSocket-Protocol: binary\r\n\ | |
| 39 | \r\n" | |
| 40 | #define WS_HANDSHAKE_DELIM "\r\n" | |
| 41 | #define WS_HANDSHAKE_END "\r\n\r\n" | |
| 42 | #define WS_SUPPORTED_VERSION "13" | |
| 43 | ||
| 44 | #define WS_HEAD_MIN_LEN sizeof(uint16_t) | |
| 45 | #define WS_HEAD_MAX_LEN (WS_HEAD_MIN_LEN + sizeof(uint64_t) + sizeof(uint32_t)) | |
| 46 | ||
| 47 | typedef union WsMask { | |
| 48 | char c[4]; | |
| 49 | uint32_t u; | |
| 50 | } WsMask; | |
| 51 | ||
| 52 | typedef struct QEMU_PACKED WsHeader { | |
| 53 | unsigned char b0; | |
| 54 | unsigned char b1; | |
| 55 | union { | |
| 56 | struct QEMU_PACKED { | |
| 57 | uint16_t l16; | |
| 58 | WsMask m16; | |
| 59 | } s16; | |
| 60 | struct QEMU_PACKED { | |
| 61 | uint64_t l64; | |
| 62 | WsMask m64; | |
| 63 | } s64; | |
| 64 | WsMask m; | |
| 65 | } u; | |
| 66 | } WsHeader; | |
| 67 | ||
| 68 | enum { | |
| 69 | WS_OPCODE_CONTINUATION = 0x0, | |
| 70 | WS_OPCODE_TEXT_FRAME = 0x1, | |
| 71 | WS_OPCODE_BINARY_FRAME = 0x2, | |
| 72 | WS_OPCODE_CLOSE = 0x8, | |
| 73 | WS_OPCODE_PING = 0x9, | |
| 74 | WS_OPCODE_PONG = 0xA | |
| 75 | }; | |
| 76 | ||
| 0057a0d5 TH |
77 | #ifdef CONFIG_VNC_TLS |
| 78 | void vncws_tls_handshake_peek(void *opaque); | |
| 79 | #endif /* CONFIG_VNC_TLS */ | |
| 7536ee4b TH |
80 | void vncws_handshake_read(void *opaque); |
| 81 | long vnc_client_write_ws(VncState *vs); | |
| 82 | long vnc_client_read_ws(VncState *vs); | |
| 83 | void vncws_process_handshake(VncState *vs, uint8_t *line, size_t size); | |
| 84 | void vncws_encode_frame(Buffer *output, const void *payload, | |
| 85 | const size_t payload_size); | |
| 86 | int vncws_decode_frame(Buffer *input, uint8_t **payload, | |
| 87 | size_t *payload_size, size_t *frame_size); | |
| 88 | ||
| 89 | #endif /* __QEMU_UI_VNC_WS_H */ |