1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
* Copyright (C) 2000, 2001 Const Kaplinsky. All Rights Reserved.
* Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
/*
* vncviewer.h
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <rfb/rfbproto.h>
#include <rfb/keysym.h>
#define rfbClientSwap16IfLE(s) \
(*(char *)&client->endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
#define rfbClientSwap32IfLE(l) \
(*(char *)&client->endianTest ? ((((l) & 0xff000000) >> 24) | \
(((l) & 0x00ff0000) >> 8) | \
(((l) & 0x0000ff00) << 8) | \
(((l) & 0x000000ff) << 24)) : (l))
#define FLASH_PORT_OFFSET 5400
#define LISTEN_PORT_OFFSET 5500
#define TUNNEL_PORT_OFFSET 5500
#define SERVER_PORT_OFFSET 5900
#define DEFAULT_SSH_CMD "/usr/bin/ssh"
#define DEFAULT_TUNNEL_CMD \
(DEFAULT_SSH_CMD " -f -L %L:localhost:%R %H sleep 20")
#define DEFAULT_VIA_CMD \
(DEFAULT_SSH_CMD " -f -L %L:%H:%R %G sleep 20")
typedef struct {
rfbBool shareDesktop;
rfbBool viewOnly;
rfbBool fullScreen;
rfbBool grabKeyboard;
rfbBool raiseOnBeep;
const char* encodingsString;
rfbBool useBGR233;
int nColours;
rfbBool useSharedColours;
rfbBool forceOwnCmap;
rfbBool forceTrueColour;
int requestedDepth;
rfbBool useShm;
int wmDecorationWidth;
int wmDecorationHeight;
rfbBool debug;
int popupButtonCount;
int bumpScrollTime;
int bumpScrollPixels;
int compressLevel;
int qualityLevel;
rfbBool enableJPEG;
rfbBool useRemoteCursor;
} AppData;
struct _rfbClient;
typedef rfbBool (*HandleCursorPosProc)(struct _rfbClient* client, int x, int y);
typedef void (*SoftCursorLockAreaProc)(struct _rfbClient* client, int x, int y, int w, int h);
typedef void (*SoftCursorUnlockScreenProc)(struct _rfbClient* client);
typedef void (*GotFrameBufferUpdateProc)(struct _rfbClient* client, int x, int y, int w, int h);
typedef char* (*GetPasswordProc)(struct _rfbClient* client);
typedef rfbBool (*MallocFrameBufferProc)(struct _rfbClient* client);
typedef void (*BellProc)(struct _rfbClient* client);
typedef struct _rfbClient {
uint8_t* frameBuffer;
int width, height;
int endianTest;
AppData appData;
const char* programName;
const char* serverHost;
int serverPort;
rfbBool listenSpecified;
int listenPort, flashPort;
/* Note that the CoRRE encoding uses this buffer and assumes it is big enough
to hold 255 * 255 * 32 bits -> 260100 bytes. 640*480 = 307200 bytes.
Hextile also assumes it is big enough to hold 16 * 16 * 32 bits.
Tight encoding assumes BUFFER_SIZE is at least 16384 bytes. */
#define BUFFER_SIZE (640*480)
char buffer[BUFFER_SIZE];
/* rfbproto.c */
int sock;
rfbBool canUseCoRRE;
rfbBool canUseHextile;
char *desktopName;
rfbPixelFormat format;
rfbServerInitMsg si;
char *serverCutText;
rfbBool newServerCutText;
/* cursor.c */
uint8_t *rcSource, *rcMask;
/* hooks */
HandleCursorPosProc HandleCursorPos;
SoftCursorLockAreaProc SoftCursorLockArea;
SoftCursorUnlockScreenProc SoftCursorUnlockScreen;
GotFrameBufferUpdateProc GotFrameBufferUpdate;
GetPasswordProc GetPassword;
MallocFrameBufferProc MallocFrameBuffer;
BellProc Bell;
} rfbClient;
/* cursor.c */
extern rfbBool HandleCursorShape(rfbClient* client,int xhot, int yhot, int width, int height, uint32_t enc);
/* listen.c */
extern void listenForIncomingConnections(rfbClient* viewer);
/* rfbproto.c */
extern rfbBool rfbEnableClientLogging;
extern void rfbClientLog(const char *format, ...);
extern rfbBool ConnectToRFBServer(rfbClient* client,const char *hostname, int port);
extern rfbBool InitialiseRFBConnection(rfbClient* client);
extern rfbBool SetFormatAndEncodings(rfbClient* client);
extern rfbBool SendIncrementalFramebufferUpdateRequest(rfbClient* client);
extern rfbBool SendFramebufferUpdateRequest(rfbClient* client,
int x, int y, int w, int h,
rfbBool incremental);
extern rfbBool SendPointerEvent(rfbClient* client,int x, int y, int buttonMask);
extern rfbBool SendKeyEvent(rfbClient* client,uint32_t key, rfbBool down);
extern rfbBool SendClientCutText(rfbClient* client,char *str, int len);
extern rfbBool HandleRFBServerMessage(rfbClient* client);
extern void PrintPixelFormat(rfbPixelFormat *format);
/* sockets.c */
extern rfbBool errorMessageOnReadFailure;
extern rfbBool ReadFromRFBServer(rfbClient* client, char *out, unsigned int n);
extern rfbBool WriteToRFBServer(rfbClient* client, char *buf, int n);
extern int FindFreeTcpPort(void);
extern int ListenAtTcpPort(int port);
extern int ConnectClientToTcpAddr(unsigned int host, int port);
extern int AcceptTcpConnection(int listenSock);
extern rfbBool SetNonBlocking(int sock);
extern rfbBool StringToIPAddr(const char *str, unsigned int *addr);
extern rfbBool SameMachine(int sock);
/* vncviewer.c */
rfbClient* rfbGetClient(int* argc,char** argv,int bitsPerSample,int samplesPerPixel,int bytesPerPixel);
rfbBool rfbInitClient(rfbClient* client,const char* vncServerHost,int vncServerPort);
void rfbClientCleanup(rfbClient* client);
|
