From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/ui/vnc-ws.h | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 qemu/ui/vnc-ws.h (limited to 'qemu/ui/vnc-ws.h') diff --git a/qemu/ui/vnc-ws.h b/qemu/ui/vnc-ws.h new file mode 100644 index 000000000..94942258e --- /dev/null +++ b/qemu/ui/vnc-ws.h @@ -0,0 +1,92 @@ +/* + * QEMU VNC display driver: Websockets support + * + * Copyright (C) 2010 Joel Martin + * Copyright (C) 2012 Tim Hardeck + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; if not, see . + */ + +#ifndef __QEMU_UI_VNC_WS_H +#define __QEMU_UI_VNC_WS_H + +#define B64LEN(__x) (((__x + 2) / 3) * 12 / 3) +#define SHA1_DIGEST_LEN 20 + +#define WS_ACCEPT_LEN (B64LEN(SHA1_DIGEST_LEN) + 1) +#define WS_CLIENT_KEY_LEN 24 +#define WS_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" +#define WS_GUID_LEN strlen(WS_GUID) + +#define WS_HANDSHAKE "HTTP/1.1 101 Switching Protocols\r\n\ +Upgrade: websocket\r\n\ +Connection: Upgrade\r\n\ +Sec-WebSocket-Accept: %s\r\n\ +Sec-WebSocket-Protocol: binary\r\n\ +\r\n" +#define WS_HANDSHAKE_DELIM "\r\n" +#define WS_HANDSHAKE_END "\r\n\r\n" +#define WS_SUPPORTED_VERSION "13" + +#define WS_HEAD_MIN_LEN sizeof(uint16_t) +#define WS_HEAD_MAX_LEN (WS_HEAD_MIN_LEN + sizeof(uint64_t) + sizeof(uint32_t)) + +typedef union WsMask { + char c[4]; + uint32_t u; +} WsMask; + +typedef struct QEMU_PACKED WsHeader { + unsigned char b0; + unsigned char b1; + union { + struct QEMU_PACKED { + uint16_t l16; + WsMask m16; + } s16; + struct QEMU_PACKED { + uint64_t l64; + WsMask m64; + } s64; + WsMask m; + } u; +} WsHeader; + +enum { + WS_OPCODE_CONTINUATION = 0x0, + WS_OPCODE_TEXT_FRAME = 0x1, + WS_OPCODE_BINARY_FRAME = 0x2, + WS_OPCODE_CLOSE = 0x8, + WS_OPCODE_PING = 0x9, + WS_OPCODE_PONG = 0xA +}; + +#ifdef CONFIG_VNC_TLS +void vncws_tls_handshake_io(void *opaque); +#endif /* CONFIG_VNC_TLS */ +void vncws_handshake_read(void *opaque); +long vnc_client_write_ws(VncState *vs); +long vnc_client_read_ws(VncState *vs); +void vncws_process_handshake(VncState *vs, uint8_t *line, size_t size); +void vncws_encode_frame(Buffer *output, const void *payload, + const size_t payload_size); +int vncws_decode_frame_header(Buffer *input, + size_t *header_size, + size_t *payload_remain, + WsMask *payload_mask); +int vncws_decode_frame_payload(Buffer *input, + size_t *payload_remain, WsMask *payload_mask, + uint8_t **payload, size_t *payload_size); + +#endif /* __QEMU_UI_VNC_WS_H */ -- cgit 1.2.3-korg