matt335672
0ff175c85e
This feature was added to the RFB community wiki on 2020-12-22. See commit a6dab64825b2ce4e9b47b8c9541619b94b7d908b in the rfbproto repository
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2015
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* libvnc - defines related to the RFB protocol
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*/
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#ifndef RFB_H
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#define RFB_H
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#include "arch.h"
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/* Client-to-server messages */
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enum c2s
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{
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RFB_C2S_SET_PIXEL_FORMAT = 0,
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RFB_C2S_SET_ENCODINGS = 2,
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RFB_C2S_FRAMEBUFFER_UPDATE_REQUEST = 3,
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RFB_C2S_KEY_EVENT = 4,
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RFB_C2S_POINTER_EVENT = 5,
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RFB_C2S_CLIENT_CUT_TEXT = 6,
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};
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/* Server to client messages */
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enum s2c
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{
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RFB_S2C_FRAMEBUFFER_UPDATE = 0,
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RFB_S2C_SET_COLOUR_MAP_ENTRIES = 1,
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RFB_S2C_BELL = 2,
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RFB_S2C_SERVER_CUT_TEXT = 3
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};
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/* Encodings and pseudo-encodings
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*
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* The RFC uses a signed type for these. We use an unsigned type as the
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* binary representation for the negative values is standardised in C
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* (which it wouldn't be for an enum value)
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*/
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typedef uint32_t encoding_type;
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#define RFB_ENC_RAW (encoding_type)0
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#define RFB_ENC_COPY_RECT (encoding_type)1
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#define RFB_ENC_CURSOR (encoding_type)-239
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#define RFB_ENC_DESKTOP_SIZE (encoding_type)-223
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#define RFB_ENC_EXTENDED_DESKTOP_SIZE (encoding_type)-308
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/* Security types defined in RFC6143 7.2 (RFB Community wiki 7.1.2) */
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enum sec_type
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{
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SEC_TYPE_INVALID = 0,
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SEC_TYPE_NONE = 1,
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SEC_TYPE_VNC_AUTH = 2,
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SEC_TYPE_MAX = SEC_TYPE_VNC_AUTH // Max supported security type
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};
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#define SEC_TYPE_TO_STR(st) \
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(((st) == SEC_TYPE_INVALID) ? "Invalid" : \
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((st) == SEC_TYPE_NONE) ? "None" : \
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((st) == SEC_TYPE_VNC_AUTH) ? "VNC Auth" : "Unknown")
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/* Constructs an RFB version from a major and minor version */
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#define MAKE_RFBPROTO_VER(maj,min) ((maj * 1000) + (min))
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/* Convenience macros */
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#define RFBPROTO_VER_3_3 MAKE_RFBPROTO_VER(3,3)
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#define RFBPROTO_VER_3_7 MAKE_RFBPROTO_VER(3,7)
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#define RFBPROTO_VER_3_8 MAKE_RFBPROTO_VER(3,8)
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/*
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* ExtendedDesktopSize status codes
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*/
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enum
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{
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RFB_EDS_NO_ERROR = 0,
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RFB_EDS_ADMINISTRATIVELY_PROHIBITED = 1,
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RFB_EDS_OUT_OF_RESOURCES = 2,
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RFB_EDS_INVALID_SCREEN_LAYOUT = 3,
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RFB_EDS_REQUEST_FORWARDED = 4
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};
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/**
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* Returns an error string for an ExtendedDesktopSize status code
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*/
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const char *
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rfb_get_eds_status_msg(unsigned int response_code);
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#endif /* RFB_H */
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