148 lines
3.6 KiB
C
148 lines
3.6 KiB
C
/*
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* Copyright (c) 2019 Andri Yngvason
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#define RFB_VERSION_MESSAGE "RFB 003.008\n"
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <arpa/inet.h>
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#define RFB_PACKED __attribute__((packed))
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enum rfb_security_type {
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RFB_SECURITY_TYPE_INVALID = 0,
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RFB_SECURITY_TYPE_NONE = 1,
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RFB_SECURITY_TYPE_VNC_AUTH = 2,
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};
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enum rfb_security_handshake_result {
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RFB_SECURITY_HANDSHAKE_OK = 0,
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RFB_SECURITY_HANDSHAKE_FAILED = 1,
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};
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enum rfb_client_to_server_msg_type {
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RFB_CLIENT_TO_SERVER_SET_PIXEL_FORMAT = 0,
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RFB_CLIENT_TO_SERVER_SET_ENCODINGS = 2,
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RFB_CLIENT_TO_SERVER_FRAMEBUFFER_UPDATE_REQUEST = 3,
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RFB_CLIENT_TO_SERVER_KEY_EVENT = 4,
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RFB_CLIENT_TO_SERVER_POINTER_EVENT = 5,
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RFB_CLIENT_TO_SERVER_CLIENT_CUT_TEXT = 6,
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};
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enum rfb_encodings {
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RFB_ENCODING_RAW = 0,
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RFB_ENCODING_COPYRECT = 1,
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RFB_ENCODING_RRE = 2,
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RFB_ENCODING_HEXTILE = 5,
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RFB_ENCODING_TRLE = 15,
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RFB_ENCODING_ZRLE = 16,
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RFB_ENCODING_CURSOR = -239,
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RFB_ENCODING_DESKTOPSIZE = -223,
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};
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enum rfb_server_to_client_msg_type {
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RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE = 0,
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RFB_SERVER_TO_CLIENT_SET_COLOUR_MAP_ENTRIES = 1,
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RFB_SERVER_TO_CLIENT_BELL = 2,
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RFB_SERVER_TO_CLIENT_SERVER_CUT_TEXT = 3,
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};
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struct rfb_security_types_msg {
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uint8_t n;
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uint8_t types[1];
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} RFB_PACKED;
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struct rfb_error_reason {
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uint32_t length;
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char message[0];
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} RFB_PACKED;
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struct rfb_pixel_format {
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uint8_t bits_per_pixel;
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uint8_t depth;
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uint8_t big_endian_flag;
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uint8_t true_colour_flag;
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uint16_t red_max;
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uint16_t green_max;
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uint16_t blue_max;
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uint8_t red_shift;
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uint8_t green_shift;
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uint8_t blue_shift;
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uint8_t padding[3];
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} RFB_PACKED;
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struct rfb_server_init_msg {
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uint16_t width;
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uint16_t height;
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struct rfb_pixel_format pixel_format;
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uint32_t name_length;
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char name_string[0];
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} RFB_PACKED;
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struct rfb_client_set_encodings_msg {
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uint8_t type;
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uint8_t padding;
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uint16_t n_encodings;
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int32_t encodings[0];
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} RFB_PACKED;
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struct rfb_client_fb_update_req_msg {
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uint8_t type;
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uint8_t incremental;
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uint16_t x;
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uint16_t y;
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uint16_t width;
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uint16_t height;
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} RFB_PACKED;
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struct rfb_client_key_event_msg {
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uint8_t type;
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uint8_t down_flag;
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uint16_t padding;
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uint32_t key;
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} RFB_PACKED;
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struct rfb_client_pointer_event_msg {
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uint8_t type;
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uint8_t button_mask;
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uint16_t x;
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uint16_t y;
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} RFB_PACKED;
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struct rfb_client_cut_text_msg {
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uint8_t type;
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uint8_t padding[3];
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uint32_t length;
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char test[0];
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} RFB_PACKED;
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struct rfb_server_fb_rect {
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uint16_t x;
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uint16_t y;
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uint16_t width;
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uint16_t height;
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int32_t encoding;
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} RFB_PACKED;
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struct rfb_server_fb_update_msg {
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uint8_t type;
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uint8_t padding;
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uint16_t n_rects;
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} RFB_PACKED;
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