Newer
Older
/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2018 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "parameters.h"
#include "kbd.h"
#include "kbd_internal.h"
#include <limits.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <linux/types.h>
#include <linux/netlink.h>
#include <linux/input.h>
#include "async_alarm.h"
#include "async_io.h"
struct KeyboardMonitorExtensionStruct {
struct {
int socket;
AsyncHandle monitor;
} uevent;
};
struct KeyboardInstanceExtensionStruct {
UinputObject *uinput;
AsyncHandle udevDelay;
struct {
int descriptor;
AsyncHandle monitor;
} file;
struct {
char *path;
int major;
int minor;
} device;
};
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
BEGIN_KEY_CODE_MAP
[KEY_ESC] = KBD_KEY_ACTION(Escape),
[KEY_1] = KBD_KEY_NUMBER(One),
[KEY_2] = KBD_KEY_NUMBER(Two),
[KEY_3] = KBD_KEY_NUMBER(Three),
[KEY_4] = KBD_KEY_NUMBER(Four),
[KEY_5] = KBD_KEY_NUMBER(Five),
[KEY_6] = KBD_KEY_NUMBER(Six),
[KEY_7] = KBD_KEY_NUMBER(Seven),
[KEY_8] = KBD_KEY_NUMBER(Eight),
[KEY_9] = KBD_KEY_NUMBER(Nine),
[KEY_0] = KBD_KEY_NUMBER(Zero),
[KEY_MINUS] = KBD_KEY_SYMBOL(Minus),
[KEY_EQUAL] = KBD_KEY_SYMBOL(Equals),
[KEY_BACKSPACE] = KBD_KEY_ACTION(DeleteBackward),
[KEY_TAB] = KBD_KEY_ACTION(Tab),
[KEY_Q] = KBD_KEY_LETTER(Q),
[KEY_W] = KBD_KEY_LETTER(W),
[KEY_E] = KBD_KEY_LETTER(E),
[KEY_R] = KBD_KEY_LETTER(R),
[KEY_T] = KBD_KEY_LETTER(T),
[KEY_Y] = KBD_KEY_LETTER(Y),
[KEY_U] = KBD_KEY_LETTER(U),
[KEY_I] = KBD_KEY_LETTER(I),
[KEY_O] = KBD_KEY_LETTER(O),
[KEY_P] = KBD_KEY_LETTER(P),
[KEY_LEFTBRACE] = KBD_KEY_SYMBOL(LeftBracket),
[KEY_RIGHTBRACE] = KBD_KEY_SYMBOL(RightBracket),
[KEY_ENTER] = KBD_KEY_ACTION(Enter),
[KEY_LEFTCTRL] = KBD_KEY_MODIFIER(ControlLeft),
[KEY_A] = KBD_KEY_LETTER(A),
[KEY_S] = KBD_KEY_LETTER(S),
[KEY_D] = KBD_KEY_LETTER(D),
[KEY_F] = KBD_KEY_LETTER(F),
[KEY_G] = KBD_KEY_LETTER(G),
[KEY_H] = KBD_KEY_LETTER(H),
[KEY_J] = KBD_KEY_LETTER(J),
[KEY_K] = KBD_KEY_LETTER(K),
[KEY_L] = KBD_KEY_LETTER(L),
[KEY_SEMICOLON] = KBD_KEY_SYMBOL(Semicolon),
[KEY_APOSTROPHE] = KBD_KEY_SYMBOL(Apostrophe),
[KEY_GRAVE] = KBD_KEY_SYMBOL(Grave),
[KEY_LEFTSHIFT] = KBD_KEY_MODIFIER(ShiftLeft),
[KEY_BACKSLASH] = KBD_KEY_SYMBOL(Backslash),
[KEY_Z] = KBD_KEY_LETTER(Z),
[KEY_X] = KBD_KEY_LETTER(X),
[KEY_C] = KBD_KEY_LETTER(C),
[KEY_V] = KBD_KEY_LETTER(V),
[KEY_B] = KBD_KEY_LETTER(B),
[KEY_N] = KBD_KEY_LETTER(N),
[KEY_M] = KBD_KEY_LETTER(M),
[KEY_COMMA] = KBD_KEY_SYMBOL(Comma),
[KEY_DOT] = KBD_KEY_SYMBOL(Period),
[KEY_SLASH] = KBD_KEY_SYMBOL(Slash),
[KEY_RIGHTSHIFT] = KBD_KEY_MODIFIER(ShiftRight),
[KEY_KPASTERISK] = KBD_KEY_KPSYMBOL(Multiply),
[KEY_LEFTALT] = KBD_KEY_MODIFIER(AltLeft),
[KEY_SPACE] = KBD_KEY_SYMBOL(Space),
[KEY_CAPSLOCK] = KBD_KEY_LOCK(Capitals),
[KEY_F1] = KBD_KEY_FUNCTION(F1),
[KEY_F2] = KBD_KEY_FUNCTION(F2),
[KEY_F3] = KBD_KEY_FUNCTION(F3),
[KEY_F4] = KBD_KEY_FUNCTION(F4),
[KEY_F5] = KBD_KEY_FUNCTION(F5),
[KEY_F6] = KBD_KEY_FUNCTION(F6),
[KEY_F7] = KBD_KEY_FUNCTION(F7),
[KEY_F8] = KBD_KEY_FUNCTION(F8),
[KEY_F9] = KBD_KEY_FUNCTION(F9),
[KEY_F10] = KBD_KEY_FUNCTION(F10),
[KEY_NUMLOCK] = KBD_KEY_LOCK(Numbers),
[KEY_SCROLLLOCK] = KBD_KEY_LOCK(Scroll),
[KEY_KP7] = KBD_KEY_KPNUMBER(Seven),
[KEY_KP8] = KBD_KEY_KPNUMBER(Eight),
[KEY_KP9] = KBD_KEY_KPNUMBER(Nine),
[KEY_KPMINUS] = KBD_KEY_KPSYMBOL(Minus),
[KEY_KP4] = KBD_KEY_KPNUMBER(Four),
[KEY_KP5] = KBD_KEY_KPNUMBER(Five),
[KEY_KP6] = KBD_KEY_KPNUMBER(Six),
[KEY_KPPLUS] = KBD_KEY_KPSYMBOL(Plus),
[KEY_KP1] = KBD_KEY_KPNUMBER(One),
[KEY_KP2] = KBD_KEY_KPNUMBER(Two),
[KEY_KP3] = KBD_KEY_KPNUMBER(Three),
[KEY_KP0] = KBD_KEY_KPNUMBER(Zero),
[KEY_KPDOT] = KBD_KEY_KPSYMBOL(Period),
[KEY_ZENKAKUHANKAKU] = KBD_KEY_UNMAPPED,
[KEY_102ND] = KBD_KEY_SYMBOL(Europe2),
[KEY_F11] = KBD_KEY_FUNCTION(F11),
[KEY_F12] = KBD_KEY_FUNCTION(F12),
[KEY_RO] = KBD_KEY_UNMAPPED,
[KEY_KATAKANA] = KBD_KEY_UNMAPPED,
[KEY_HIRAGANA] = KBD_KEY_UNMAPPED,
[KEY_HENKAN] = KBD_KEY_UNMAPPED,
[KEY_KATAKANAHIRAGANA] = KBD_KEY_UNMAPPED,
[KEY_MUHENKAN] = KBD_KEY_UNMAPPED,
[KEY_KPJPCOMMA] = KBD_KEY_UNMAPPED,
[KEY_KPENTER] = KBD_KEY_KPACTION(Enter),
[KEY_RIGHTCTRL] = KBD_KEY_MODIFIER(ControlRight),
[KEY_KPSLASH] = KBD_KEY_KPSYMBOL(Divide),
[KEY_SYSRQ] = KBD_KEY_ACTION(SystemRequest),
[KEY_RIGHTALT] = KBD_KEY_MODIFIER(AltRight),
[KEY_LINEFEED] = KBD_KEY_UNMAPPED,
[KEY_HOME] = KBD_KEY_ACTION(Home),
[KEY_UP] = KBD_KEY_ACTION(ArrowUp),
[KEY_PAGEUP] = KBD_KEY_ACTION(PageUp),
[KEY_LEFT] = KBD_KEY_ACTION(ArrowLeft),
[KEY_RIGHT] = KBD_KEY_ACTION(ArrowRight),
[KEY_END] = KBD_KEY_ACTION(End),
[KEY_DOWN] = KBD_KEY_ACTION(ArrowDown),
[KEY_PAGEDOWN] = KBD_KEY_ACTION(PageDown),
[KEY_INSERT] = KBD_KEY_ACTION(Insert),
[KEY_DELETE] = KBD_KEY_ACTION(DeleteForward),
[KEY_MACRO] = KBD_KEY_UNMAPPED,
[KEY_MUTE] = KBD_KEY_MEDIA(Mute),
[KEY_VOLUMEDOWN] = KBD_KEY_MEDIA(VolumeDown),
[KEY_VOLUMEUP] = KBD_KEY_MEDIA(VolumeUp),
[KEY_POWER] = KBD_KEY_ACTION(Power),
[KEY_KPEQUAL] = KBD_KEY_KPSYMBOL(Equals),
[KEY_KPPLUSMINUS] = KBD_KEY_KPSYMBOL(PlusMinus),
[KEY_LEFTMETA] = KBD_KEY_ACTION(GuiLeft),
[KEY_RIGHTMETA] = KBD_KEY_ACTION(GuiRight),
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
[KEY_PAUSE] = KBD_KEY_ACTION(Pause),
[KEY_KPCOMMA] = KBD_KEY_KPSYMBOL(Comma),
[KEY_HANGEUL] = KBD_KEY_UNMAPPED,
[KEY_HANGUEL] = KBD_KEY_UNMAPPED,
[KEY_HANJA] = KBD_KEY_UNMAPPED,
[KEY_YEN] = KBD_KEY_UNMAPPED,
[KEY_LEFTMETA] = KBD_KEY_UNMAPPED,
[KEY_RIGHTMETA] = KBD_KEY_UNMAPPED,
[KEY_COMPOSE] = KBD_KEY_UNMAPPED,
[KEY_STOP] = KBD_KEY_ACTION(Stop),
[KEY_AGAIN] = KBD_KEY_ACTION(Again),
[KEY_PROPS] = KBD_KEY_ACTION(Props),
[KEY_UNDO] = KBD_KEY_ACTION(Undo),
[KEY_FRONT] = KBD_KEY_ACTION(Front),
[KEY_COPY] = KBD_KEY_ACTION(Copy),
[KEY_OPEN] = KBD_KEY_ACTION(Open),
[KEY_PASTE] = KBD_KEY_ACTION(Paste),
[KEY_FIND] = KBD_KEY_ACTION(Find),
[KEY_CUT] = KBD_KEY_ACTION(Cut),
[KEY_HELP] = KBD_KEY_ACTION(Help),
[KEY_MENU] = KBD_KEY_ACTION(Menu),
[KEY_CALC] = KBD_KEY_UNMAPPED,
[KEY_SETUP] = KBD_KEY_UNMAPPED,
[KEY_SLEEP] = KBD_KEY_UNMAPPED,
[KEY_WAKEUP] = KBD_KEY_UNMAPPED,
[KEY_FILE] = KBD_KEY_UNMAPPED,
[KEY_SENDFILE] = KBD_KEY_UNMAPPED,
[KEY_DELETEFILE] = KBD_KEY_UNMAPPED,
[KEY_XFER] = KBD_KEY_UNMAPPED,
[KEY_PROG1] = KBD_KEY_UNMAPPED,
[KEY_PROG2] = KBD_KEY_UNMAPPED,
[KEY_WWW] = KBD_KEY_UNMAPPED,
[KEY_MSDOS] = KBD_KEY_UNMAPPED,
[KEY_COFFEE] = KBD_KEY_UNMAPPED,
[KEY_SCREENLOCK] = KBD_KEY_UNMAPPED,
[KEY_DIRECTION] = KBD_KEY_UNMAPPED,
[KEY_CYCLEWINDOWS] = KBD_KEY_UNMAPPED,
[KEY_MAIL] = KBD_KEY_UNMAPPED,
[KEY_BOOKMARKS] = KBD_KEY_UNMAPPED,
[KEY_COMPUTER] = KBD_KEY_UNMAPPED,
[KEY_BACK] = KBD_KEY_UNMAPPED,
[KEY_FORWARD] = KBD_KEY_UNMAPPED,
[KEY_CLOSECD] = KBD_KEY_MEDIA(Close),
[KEY_EJECTCD] = KBD_KEY_MEDIA(Eject),
[KEY_EJECTCLOSECD] = KBD_KEY_MEDIA(EjectClose),
[KEY_NEXTSONG] = KBD_KEY_MEDIA(Next),
[KEY_PLAYPAUSE] = KBD_KEY_MEDIA(PlayPause),
[KEY_PREVIOUSSONG] = KBD_KEY_MEDIA(Previous),
[KEY_STOPCD] = KBD_KEY_MEDIA(Stop),
[KEY_RECORD] = KBD_KEY_MEDIA(Record),
[KEY_REWIND] = KBD_KEY_MEDIA(Backward),
[KEY_PHONE] = KBD_KEY_UNMAPPED,
[KEY_ISO] = KBD_KEY_UNMAPPED,
[KEY_CONFIG] = KBD_KEY_UNMAPPED,
[KEY_HOMEPAGE] = KBD_KEY_UNMAPPED,
[KEY_REFRESH] = KBD_KEY_UNMAPPED,
[KEY_EXIT] = KBD_KEY_UNMAPPED,
[KEY_MOVE] = KBD_KEY_UNMAPPED,
[KEY_EDIT] = KBD_KEY_UNMAPPED,
[KEY_SCROLLUP] = KBD_KEY_UNMAPPED,
[KEY_SCROLLDOWN] = KBD_KEY_UNMAPPED,
[KEY_KPLEFTPAREN] = KBD_KEY_KPSYMBOL(LeftParenthesis),
[KEY_KPRIGHTPAREN] = KBD_KEY_KPSYMBOL(RightParenthesis),
[KEY_NEW] = KBD_KEY_UNMAPPED,
[KEY_REDO] = KBD_KEY_UNMAPPED,
[KEY_F13] = KBD_KEY_FUNCTION(F13),
[KEY_F14] = KBD_KEY_FUNCTION(F14),
[KEY_F15] = KBD_KEY_FUNCTION(F15),
[KEY_F16] = KBD_KEY_FUNCTION(F16),
[KEY_F17] = KBD_KEY_FUNCTION(F17),
[KEY_F18] = KBD_KEY_FUNCTION(F18),
[KEY_F19] = KBD_KEY_FUNCTION(F19),
[KEY_F20] = KBD_KEY_FUNCTION(F20),
[KEY_F21] = KBD_KEY_FUNCTION(F21),
[KEY_F22] = KBD_KEY_FUNCTION(F22),
[KEY_F23] = KBD_KEY_FUNCTION(F23),
[KEY_F24] = KBD_KEY_FUNCTION(F24),
[KEY_PLAYCD] = KBD_KEY_MEDIA(Play),
[KEY_PAUSECD] = KBD_KEY_MEDIA(Pause),
[KEY_PROG3] = KBD_KEY_UNMAPPED,
[KEY_PROG4] = KBD_KEY_UNMAPPED,
[KEY_DASHBOARD] = KBD_KEY_UNMAPPED,
[KEY_SUSPEND] = KBD_KEY_UNMAPPED,
[KEY_CLOSE] = KBD_KEY_UNMAPPED,
[KEY_PLAY] = KBD_KEY_UNMAPPED,
[KEY_FASTFORWARD] = KBD_KEY_MEDIA(Forward),
[KEY_BASSBOOST] = KBD_KEY_UNMAPPED,
[KEY_PRINT] = KBD_KEY_UNMAPPED,
[KEY_HP] = KBD_KEY_UNMAPPED,
[KEY_CAMERA] = KBD_KEY_UNMAPPED,
[KEY_SOUND] = KBD_KEY_UNMAPPED,
[KEY_QUESTION] = KBD_KEY_UNMAPPED,
[KEY_EMAIL] = KBD_KEY_UNMAPPED,
[KEY_CHAT] = KBD_KEY_UNMAPPED,
[KEY_SEARCH] = KBD_KEY_UNMAPPED,
[KEY_CONNECT] = KBD_KEY_UNMAPPED,
[KEY_FINANCE] = KBD_KEY_UNMAPPED,
[KEY_SPORT] = KBD_KEY_UNMAPPED,
[KEY_SHOP] = KBD_KEY_UNMAPPED,
[KEY_ALTERASE] = KBD_KEY_UNMAPPED,
[KEY_CANCEL] = KBD_KEY_UNMAPPED,
[KEY_BRIGHTNESSDOWN] = KBD_KEY_UNMAPPED,
[KEY_BRIGHTNESSUP] = KBD_KEY_UNMAPPED,
[KEY_MEDIA] = KBD_KEY_UNMAPPED,
[KEY_SWITCHVIDEOMODE] = KBD_KEY_UNMAPPED,
[KEY_KBDILLUMTOGGLE] = KBD_KEY_UNMAPPED,
[KEY_KBDILLUMDOWN] = KBD_KEY_UNMAPPED,
[KEY_KBDILLUMUP] = KBD_KEY_UNMAPPED,
[KEY_SEND] = KBD_KEY_UNMAPPED,
[KEY_REPLY] = KBD_KEY_UNMAPPED,
[KEY_FORWARDMAIL] = KBD_KEY_UNMAPPED,
[KEY_SAVE] = KBD_KEY_UNMAPPED,
[KEY_DOCUMENTS] = KBD_KEY_UNMAPPED,
[KEY_BATTERY] = KBD_KEY_UNMAPPED,
[KEY_BLUETOOTH] = KBD_KEY_UNMAPPED,
[KEY_WLAN] = KBD_KEY_UNMAPPED,
[KEY_UWB] = KBD_KEY_UNMAPPED,
[KEY_UNKNOWN] = KBD_KEY_UNMAPPED,
[KEY_VIDEO_NEXT] = KBD_KEY_UNMAPPED,
[KEY_VIDEO_PREV] = KBD_KEY_UNMAPPED,
[KEY_BRIGHTNESS_CYCLE] = KBD_KEY_UNMAPPED,
[KEY_BRIGHTNESS_ZERO] = KBD_KEY_UNMAPPED,
[KEY_DISPLAY_OFF] = KBD_KEY_UNMAPPED,
[KEY_WIMAX] = KBD_KEY_UNMAPPED,
[KEY_OK] = KBD_KEY_UNMAPPED,
[KEY_SELECT] = KBD_KEY_ACTION(Select),
[KEY_GOTO] = KBD_KEY_UNMAPPED,
[KEY_CLEAR] = KBD_KEY_ACTION(Clear),
[KEY_POWER2] = KBD_KEY_UNMAPPED,
[KEY_OPTION] = KBD_KEY_UNMAPPED,
[KEY_INFO] = KBD_KEY_UNMAPPED,
[KEY_TIME] = KBD_KEY_UNMAPPED,
[KEY_VENDOR] = KBD_KEY_UNMAPPED,
[KEY_ARCHIVE] = KBD_KEY_UNMAPPED,
[KEY_PROGRAM] = KBD_KEY_UNMAPPED,
[KEY_CHANNEL] = KBD_KEY_UNMAPPED,
[KEY_FAVORITES] = KBD_KEY_UNMAPPED,
[KEY_EPG] = KBD_KEY_UNMAPPED,
[KEY_PVR] = KBD_KEY_UNMAPPED,
[KEY_MHP] = KBD_KEY_UNMAPPED,
[KEY_LANGUAGE] = KBD_KEY_UNMAPPED,
[KEY_TITLE] = KBD_KEY_UNMAPPED,
[KEY_SUBTITLE] = KBD_KEY_UNMAPPED,
[KEY_ANGLE] = KBD_KEY_UNMAPPED,
[KEY_ZOOM] = KBD_KEY_UNMAPPED,
[KEY_MODE] = KBD_KEY_UNMAPPED,
[KEY_KEYBOARD] = KBD_KEY_UNMAPPED,
[KEY_SCREEN] = KBD_KEY_UNMAPPED,
[KEY_PC] = KBD_KEY_UNMAPPED,
[KEY_TV] = KBD_KEY_UNMAPPED,
[KEY_TV2] = KBD_KEY_UNMAPPED,
[KEY_VCR] = KBD_KEY_UNMAPPED,
[KEY_VCR2] = KBD_KEY_UNMAPPED,
[KEY_SAT] = KBD_KEY_UNMAPPED,
[KEY_SAT2] = KBD_KEY_UNMAPPED,
[KEY_CD] = KBD_KEY_UNMAPPED,
[KEY_TAPE] = KBD_KEY_UNMAPPED,
[KEY_RADIO] = KBD_KEY_UNMAPPED,
[KEY_TUNER] = KBD_KEY_UNMAPPED,
[KEY_PLAYER] = KBD_KEY_UNMAPPED,
[KEY_TEXT] = KBD_KEY_UNMAPPED,
[KEY_DVD] = KBD_KEY_UNMAPPED,
[KEY_AUX] = KBD_KEY_UNMAPPED,
[KEY_MP3] = KBD_KEY_UNMAPPED,
[KEY_AUDIO] = KBD_KEY_UNMAPPED,
[KEY_VIDEO] = KBD_KEY_UNMAPPED,
[KEY_DIRECTORY] = KBD_KEY_UNMAPPED,
[KEY_LIST] = KBD_KEY_UNMAPPED,
[KEY_MEMO] = KBD_KEY_UNMAPPED,
[KEY_CALENDAR] = KBD_KEY_UNMAPPED,
[KEY_RED] = KBD_KEY_UNMAPPED,
[KEY_GREEN] = KBD_KEY_UNMAPPED,
[KEY_YELLOW] = KBD_KEY_UNMAPPED,
[KEY_BLUE] = KBD_KEY_UNMAPPED,
[KEY_CHANNELUP] = KBD_KEY_UNMAPPED,
[KEY_CHANNELDOWN] = KBD_KEY_UNMAPPED,
[KEY_FIRST] = KBD_KEY_UNMAPPED,
[KEY_LAST] = KBD_KEY_UNMAPPED,
[KEY_AB] = KBD_KEY_UNMAPPED,
[KEY_NEXT] = KBD_KEY_UNMAPPED,
[KEY_RESTART] = KBD_KEY_UNMAPPED,
[KEY_SLOW] = KBD_KEY_UNMAPPED,
[KEY_SHUFFLE] = KBD_KEY_UNMAPPED,
[KEY_BREAK] = KBD_KEY_UNMAPPED,
[KEY_PREVIOUS] = KBD_KEY_UNMAPPED,
[KEY_DIGITS] = KBD_KEY_UNMAPPED,
[KEY_TEEN] = KBD_KEY_UNMAPPED,
[KEY_TWEN] = KBD_KEY_UNMAPPED,
[KEY_VIDEOPHONE] = KBD_KEY_UNMAPPED,
[KEY_GAMES] = KBD_KEY_UNMAPPED,
[KEY_ZOOMIN] = KBD_KEY_UNMAPPED,
[KEY_ZOOMOUT] = KBD_KEY_UNMAPPED,
[KEY_ZOOMRESET] = KBD_KEY_UNMAPPED,
[KEY_WORDPROCESSOR] = KBD_KEY_UNMAPPED,
[KEY_EDITOR] = KBD_KEY_UNMAPPED,
[KEY_SPREADSHEET] = KBD_KEY_UNMAPPED,
[KEY_GRAPHICSEDITOR] = KBD_KEY_UNMAPPED,
[KEY_PRESENTATION] = KBD_KEY_UNMAPPED,
[KEY_DATABASE] = KBD_KEY_UNMAPPED,
[KEY_NEWS] = KBD_KEY_UNMAPPED,
[KEY_VOICEMAIL] = KBD_KEY_UNMAPPED,
[KEY_ADDRESSBOOK] = KBD_KEY_UNMAPPED,
[KEY_MESSENGER] = KBD_KEY_UNMAPPED,
[KEY_DISPLAYTOGGLE] = KBD_KEY_UNMAPPED,
[KEY_SPELLCHECK] = KBD_KEY_UNMAPPED,
[KEY_LOGOFF] = KBD_KEY_UNMAPPED,
[KEY_DOLLAR] = KBD_KEY_UNMAPPED,
[KEY_EURO] = KBD_KEY_UNMAPPED,
[KEY_FRAMEBACK] = KBD_KEY_UNMAPPED,
[KEY_FRAMEFORWARD] = KBD_KEY_UNMAPPED,
[KEY_CONTEXT_MENU] = KBD_KEY_UNMAPPED,
[KEY_MEDIA_REPEAT] = KBD_KEY_UNMAPPED,
[KEY_DEL_EOL] = KBD_KEY_UNMAPPED,
[KEY_DEL_EOS] = KBD_KEY_UNMAPPED,
[KEY_INS_LINE] = KBD_KEY_UNMAPPED,
[KEY_DEL_LINE] = KBD_KEY_UNMAPPED,
[KEY_FN] = KBD_KEY_UNMAPPED,
[KEY_FN_ESC] = KBD_KEY_UNMAPPED,
[KEY_FN_F1] = KBD_KEY_UNMAPPED,
[KEY_FN_F2] = KBD_KEY_UNMAPPED,
[KEY_FN_F3] = KBD_KEY_UNMAPPED,
[KEY_FN_F4] = KBD_KEY_UNMAPPED,
[KEY_FN_F5] = KBD_KEY_UNMAPPED,
[KEY_FN_F6] = KBD_KEY_UNMAPPED,
[KEY_FN_F7] = KBD_KEY_UNMAPPED,
[KEY_FN_F8] = KBD_KEY_UNMAPPED,
[KEY_FN_F9] = KBD_KEY_UNMAPPED,
[KEY_FN_F10] = KBD_KEY_UNMAPPED,
[KEY_FN_F11] = KBD_KEY_UNMAPPED,
[KEY_FN_F12] = KBD_KEY_UNMAPPED,
[KEY_FN_1] = KBD_KEY_UNMAPPED,
[KEY_FN_2] = KBD_KEY_UNMAPPED,
[KEY_FN_D] = KBD_KEY_UNMAPPED,
[KEY_FN_E] = KBD_KEY_UNMAPPED,
[KEY_FN_F] = KBD_KEY_UNMAPPED,
[KEY_FN_S] = KBD_KEY_UNMAPPED,
[KEY_FN_B] = KBD_KEY_UNMAPPED,
[KEY_BRL_DOT1] = KBD_KEY_BRAILLE(Dot1),
[KEY_BRL_DOT2] = KBD_KEY_BRAILLE(Dot2),
[KEY_BRL_DOT3] = KBD_KEY_BRAILLE(Dot3),
[KEY_BRL_DOT4] = KBD_KEY_BRAILLE(Dot4),
[KEY_BRL_DOT5] = KBD_KEY_BRAILLE(Dot5),
[KEY_BRL_DOT6] = KBD_KEY_BRAILLE(Dot6),
[KEY_BRL_DOT7] = KBD_KEY_BRAILLE(Dot7),
[KEY_BRL_DOT8] = KBD_KEY_BRAILLE(Dot8),
[KEY_BRL_DOT9] = KBD_KEY_BRAILLE(Backward),
[KEY_BRL_DOT10] = KBD_KEY_BRAILLE(Forward),
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
int
newKeyboardMonitorExtension (KeyboardMonitorExtension **kmx) {
if ((*kmx = malloc(sizeof(**kmx)))) {
memset(*kmx, 0, sizeof(**kmx));
(*kmx)->uevent.socket = -1;
(*kmx)->uevent.monitor = NULL;
return 1;
} else {
logMallocError();
}
return 0;
}
void
destroyKeyboardMonitorExtension (KeyboardMonitorExtension *kmx) {
if (kmx->uevent.monitor) asyncCancelRequest(kmx->uevent.monitor);
if (kmx->uevent.socket != -1) close(kmx->uevent.socket);
free(kmx);
}
int
newKeyboardInstanceExtension (KeyboardInstanceExtension **kix) {
if ((*kix = malloc(sizeof(**kix)))) {
memset(*kix, 0, sizeof(**kix));
(*kix)->uinput = NULL;
(*kix)->udevDelay = NULL;
(*kix)->file.descriptor = -1;
(*kix)->file.monitor = NULL;
(*kix)->device.path = NULL;
(*kix)->device.major = 0;
(*kix)->device.minor = 0;
return 1;
} else {
logMallocError();
}
*kix = NULL;
return 0;
}
void
destroyKeyboardInstanceExtension (KeyboardInstanceExtension *kix) {
if (kix->file.monitor) {
asyncCancelRequest(kix->file.monitor);
logMessage(LOG_DEBUG, "closing keyboard: %s: fd=%d",
kix->device.path, kix->file.descriptor);
}
if (kix->file.descriptor != -1) close(kix->file.descriptor);
if (kix->udevDelay) asyncCancelRequest(kix->udevDelay);
if (kix->uinput) destroyUinputObject(kix->uinput);
if (kix->device.path) free(kix->device.path);
free(kix);
forwardKeyEvent (KeyboardInstanceObject *kio, int code, int press) {
return writeKeyEvent(kio->kix->uinput, code, (press? 1: 0));
}
ASYNC_INPUT_CALLBACK(handleLinuxKeyboardEvent) {
KeyboardInstanceObject *kio = parameters->data;
static const char label[] = "keyboard";
logMessage(LOG_DEBUG, "%s read error: fd=%d: %s",
label, kio->kix->file.descriptor, strerror(parameters->error));
destroyKeyboardInstanceObject(kio);
logMessage(LOG_DEBUG, "%s end-of-file: fd=%d",
label, kio->kix->file.descriptor);
destroyKeyboardInstanceObject(kio);
} else {
const struct input_event *event = parameters->buffer;
if (parameters->length >= sizeof(*event)) {
switch (event->type) {
case EV_KEY: {
int release = event->value == 0;
int press = event->value == 1;
if (release || press) handleKeyEvent(kio, event->code, press);
break;
}
case EV_REP: {
switch (event->code) {
case REP_DELAY: {
writeRepeatDelay(kio->kix->uinput, event->value);
break;
}
case REP_PERIOD: {
writeRepeatPeriod(kio->kix->uinput, event->value);
break;
}
default:
break;
}
break;
}
default:
break;
}
return sizeof(*event);
}
}
return 0;
}
static UinputObject *
newUinputInstance (const char *device) {
char name[0X40];
snprintf(name, sizeof(name), "Keyboard Instance - %s", locatePathName(device));
return newUinputObject(name);
}
prepareUinputInstance (UinputObject *uinput, int keyboard) {
{
int type = EV_KEY;
BITMASK(mask, KEY_MAX+1, char);
int size = ioctl(keyboard, EVIOCGBIT(type, sizeof(mask)), mask);
if (size == -1) {
logSystemError("ioctl[EVIOCGBIT]");
return 0;
}
{
int count = size * 8;
{
int key = KEY_ENTER;
if (key >= count) return 0;
if (!BITMASK_TEST(mask, key)) return 0;
}
if (!enableUinputEventType(uinput, type)) return 0;
for (int key=0; key<count; key+=1) {
if (BITMASK_TEST(mask, key)) {
if (!enableUinputKey(uinput, key)) {
return 0;
}
}
}
}
}
if (!enableUinputEventType(uinput, EV_REP)) return 0;
if (!createUinputDevice(uinput)) return 0;
{
int properties[2];
if (ioctl(keyboard, EVIOCGREP, properties) != -1) {
if (!writeRepeatDelay(uinput, properties[0])) return 0;
if (!writeRepeatPeriod(uinput, properties[1])) return 0;
}
}
{
BITMASK(mask, KEY_MAX+1, char);
int size = ioctl(keyboard, EVIOCGKEY(sizeof(mask)), mask);
if (size != -1) {
int count = size * 8;
if (BITMASK_TEST(mask, key)) {
logMessage(LOG_WARNING, "key already pressed: %d", key);
}
}
}
}
return 1;
}
static int
monitorKeyboard (KeyboardInstanceObject *kio) {
const char *deviceName = locatePathName(kio->kix->device.path);
if ((kio->kix->file.descriptor = open(kio->kix->device.path, O_RDONLY)) != -1) {
struct stat status;
if (fstat(kio->kix->file.descriptor, &status) != -1) {
if (S_ISCHR(status.st_mode)) {
STR_BEGIN(description, sizeof(description));
STR_PRINTF("%s:", deviceName);
if (ioctl(kio->kix->file.descriptor, EVIOCGID, &identity) != -1) {
STR_PRINTF(" bus=%04X vnd=%04X prd=%04X ver=%04X",
identity.bustype, identity.vendor, identity.product, identity.version);
{
static const KeyboardType typeTable[] = {
#ifdef BUS_I8042
[BUS_I8042] = KBD_TYPE_PS2,
#endif /* BUS_I8042 */
#ifdef BUS_USB
[BUS_USB] = KBD_TYPE_USB,
#endif /* BUS_USB */
#ifdef BUS_BLUETOOTH
[BUS_BLUETOOTH] = KBD_TYPE_Bluetooth,
#endif /* BUS_BLUETOOTH */
};
if (identity.bustype < ARRAY_COUNT(typeTable)) {
kio->actualProperties.type = typeTable[identity.bustype];
}
kio->actualProperties.vendor = identity.vendor;
kio->actualProperties.product = identity.product;
} else if (errno != ENOTTY) {
logMessage(LOG_WARNING, "cannot get input device identity: %s: %s",
deviceName, strerror(errno));
}
if (ioctl(kio->kix->file.descriptor, EVIOCGPHYS(sizeof(topology)), topology) != -1) {
if (*topology) {
STR_PRINTF(" tpl=%s", topology);
}
if (ioctl(kio->kix->file.descriptor, EVIOCGUNIQ(sizeof(identifier)), identifier) != -1) {
if (*identifier) {
STR_PRINTF(" id=%s", identifier);
}
if (ioctl(kio->kix->file.descriptor, EVIOCGNAME(sizeof(name)), name) != -1) {
if (*name) {
STR_PRINTF(" nam=%s", name);
}
STR_END;
logMessage(LOG_DEBUG, "checking input device: %s", description);
}
if (kio->actualProperties.type) {
if (checkKeyboardProperties(&kio->actualProperties, &kio->kmo->requiredProperties)) {
if (ioctl(kio->kix->file.descriptor, EVIOCGRAB, 1) != -1) {
if ((kio->kix->uinput = newUinputInstance(kio->kix->device.path))) {
if (prepareUinputInstance(kio->kix->uinput, kio->kix->file.descriptor)) {
if (asyncReadFile(&kio->kix->file.monitor,
kio->kix->file.descriptor, sizeof(struct input_event),
handleLinuxKeyboardEvent, kio)) {
logMessage(LOG_DEBUG, "keyboard opened: %s: fd=%d",
kio->kix->device.path, kio->kix->file.descriptor);
return 1;
}
} else {
logSystemError("ioctl[EVIOCGRAB]");
} else {
logMessage(LOG_WARNING, "cannot stat input device: %s: %s",
deviceName, strerror(errno));
logMessage(LOG_WARNING, "cannot open input device: %s: %s",
deviceName, strerror(errno));
}
return 0;
}
static void
monitorCurrentKeyboards (KeyboardMonitorObject *kmo) {
const char *root = "/dev/input";
const size_t rootLength = strlen(root);
DIR *directory;
logMessage(LOG_DEBUG, "searching for keyboards");
if ((directory = opendir(root))) {
struct dirent *entry;
while ((entry = readdir(directory))) {
KeyboardInstanceObject *kio;
if ((kio = newKeyboardInstanceObject(kmo))) {
const size_t pathSize = rootLength + 1 + strlen(entry->d_name) + 1;
if ((kio->kix->device.path = malloc(pathSize))) {
snprintf(kio->kix->device.path, pathSize, "%s/%s", root, entry->d_name);
if (monitorKeyboard(kio)) continue;
} else {
logMallocError();
}
destroyKeyboardInstanceObject(kio);
}
}
closedir(directory);
} else {
logMessage(LOG_DEBUG, "cannot open directory: %s: %s", root, strerror(errno));
}
logMessage(LOG_DEBUG, "keyboard search complete");
}
#ifdef NETLINK_KOBJECT_UEVENT
ASYNC_ALARM_CALLBACK(openLinuxInputDevice) {
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
KeyboardInstanceObject *kio = parameters->data;
asyncDiscardHandle(kio->kix->udevDelay);
kio->kix->udevDelay = NULL;
if (!monitorKeyboard(kio)) destroyKeyboardInstanceObject(kio);
}
static int
getDeviceNumbers (const char *device, int *major, int *minor) {
int ok = 0;
static const char prefix[] = "/sys";
static const char suffix[] = "/dev";
char path[strlen(prefix) + strlen(device) + sizeof(suffix)];
int descriptor;
snprintf(path, sizeof(path), "%s%s%s", prefix, device, suffix);
if ((descriptor = open(path, O_RDONLY)) != -1) {
char buffer[0X10];
ssize_t length;
if ((length = read(descriptor, buffer, sizeof(buffer))) > 0) {
if (sscanf(buffer, "%d:%d", major, minor) == 2) {
ok = 1;
}
logMessage(LOG_DEBUG, "cannot open sysfs dev file: %s: %s",
path, strerror(errno));
}
ASYNC_INPUT_CALLBACK(handleKobjectUeventString) {
KeyboardMonitorObject *kmo = parameters->data;
static const char label[] = "kobject uevent";
logMessage(LOG_DEBUG, "%s read error: %s", label, strerror(parameters->error));
logMessage(LOG_DEBUG, "%s end-of-file", label);
const char *string = parameters->buffer;
const char *end = memchr(string, 0, parameters->length);
size_t length = end - string;
static const char delimiters[] = {'@', '=', '\0'};
const char *delimiter = strpbrk(string, delimiters);
if (!delimiter) {
const char *data = end + 1;
size_t size;
if (strcmp(string, "libudev") == 0) {
size = 32;
} else {
logMessage(LOG_WARNING, "unrecognized %s segment: %s", label, string);
size = 0;
}
length += size;
if (parameters->length < length) return 0;
logBytes(LOG_DEBUG, "%s data: %s", data, size, label, string);
} else if (*delimiter == '@') {
const char *action = string;
const char *device = delimiter + 1;
int actionLength = delimiter - action;
logMessage(LOG_DEBUG, "%s action: %.*s %s", label, actionLength, action, device);
if (strncmp(action, "add", actionLength) == 0) {
while ((suffix = strstr(suffix, "/input"))) {
int input;
int event;
if (sscanf(++suffix, "input%d/event%d", &input, &event) == 2) {
KeyboardInstanceObject *kio;
if ((kio = newKeyboardInstanceObject(kmo))) {
if (getDeviceNumbers(device, &kio->kix->device.major, &kio->kix->device.minor)) {
char path[0X40];
snprintf(path, sizeof(path), "/dev/input/event%d", event);
if ((kio->kix->device.path = strdup(path))) {
if (asyncNewRelativeAlarm(&kio->kix->udevDelay,
LINUX_INPUT_DEVICE_OPEN_DELAY,
openLinuxInputDevice, kio)) {
} else {
logMallocError();
}
}
destroyKeyboardInstanceObject(kio);
} else if (*delimiter == '=') {
const char *name = string;
const char *value = delimiter + 1;
int nameLength = delimiter - name;
logMessage(LOG_DEBUG, "%s property: %.*s %s", label, nameLength, name, value);
}
}
return 0;
}
static int
getKobjectUeventSocket (void) {
static int socketDescriptor = -1;
const struct sockaddr_nl socketAddress = {
.nl_family = AF_NETLINK,
.nl_pid = getpid(),
.nl_groups = 0XFFFFFFFF
};
if ((socketDescriptor = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT)) != -1) {
if (bind(socketDescriptor, (const struct sockaddr *)&socketAddress, sizeof(socketAddress)) == -1) {
close(socketDescriptor);
socketDescriptor = -1;
}
} else {
logSystemError("socket");
}
}
}
#endif /* NETLINK_KOBJECT_UEVENT */
static int
monitorNewKeyboards (KeyboardMonitorObject *kmo) {
if ((kmo->kmx->uevent.socket = getKobjectUeventSocket()) != -1) {
if (asyncReadSocket(&kmo->kmx->uevent.monitor,
kmo->kmx->uevent.socket, 6+1+PATH_MAX+1,
handleKobjectUeventString, kmo)) {
close(kmo->kmx->uevent.socket);
kmo->kmx->uevent.socket = -1;
}
#endif /* NETLINK_KOBJECT_UEVENT */
return 0;
}
#endif /* HAVE_LINUX_UINPUT_H */
monitorKeyboards (KeyboardMonitorObject *kmo) {
#ifdef HAVE_LINUX_UINPUT_H
monitorCurrentKeyboards(kmo);
monitorNewKeyboards(kmo);
#endif /* HAVE_LINUX_UINPUT_H */