1 |
#include <unistd.h> |
2 |
#include <fcntl.h> |
3 |
#include <termios.h> |
4 |
#include <strings.h> |
5 |
#include <sys/ioctl.h> |
6 |
#include "rdesktop.h" |
7 |
|
8 |
#define FILE_DEVICE_SERIAL_PORT 0x1b |
9 |
|
10 |
#define SERIAL_SET_BAUD_RATE 1 |
11 |
#define SERIAL_SET_QUEUE_SIZE 2 |
12 |
#define SERIAL_SET_LINE_CONTROL 3 |
13 |
#define SERIAL_SET_BREAK_ON 4 |
14 |
#define SERIAL_SET_BREAK_OFF 5 |
15 |
#define SERIAL_IMMEDIATE_CHAR 6 |
16 |
#define SERIAL_SET_TIMEOUTS 7 |
17 |
#define SERIAL_GET_TIMEOUTS 8 |
18 |
#define SERIAL_SET_DTR 9 |
19 |
#define SERIAL_CLR_DTR 10 |
20 |
#define SERIAL_RESET_DEVICE 11 |
21 |
#define SERIAL_SET_RTS 12 |
22 |
#define SERIAL_CLR_RTS 13 |
23 |
#define SERIAL_SET_XOFF 14 |
24 |
#define SERIAL_SET_XON 15 |
25 |
#define SERIAL_GET_WAIT_MASK 16 |
26 |
#define SERIAL_SET_WAIT_MASK 17 |
27 |
#define SERIAL_WAIT_ON_MASK 18 |
28 |
#define SERIAL_PURGE 19 |
29 |
#define SERIAL_GET_BAUD_RATE 20 |
30 |
#define SERIAL_GET_LINE_CONTROL 21 |
31 |
#define SERIAL_GET_CHARS 22 |
32 |
#define SERIAL_SET_CHARS 23 |
33 |
#define SERIAL_GET_HANDFLOW 24 |
34 |
#define SERIAL_SET_HANDFLOW 25 |
35 |
#define SERIAL_GET_MODEMSTATUS 26 |
36 |
#define SERIAL_GET_COMMSTATUS 27 |
37 |
#define SERIAL_XOFF_COUNTER 28 |
38 |
#define SERIAL_GET_PROPERTIES 29 |
39 |
#define SERIAL_GET_DTRRTS 30 |
40 |
#define SERIAL_LSRMST_INSERT 31 |
41 |
#define SERIAL_CONFIG_SIZE 32 |
42 |
#define SERIAL_GET_COMMCONFIG 33 |
43 |
#define SERIAL_SET_COMMCONFIG 34 |
44 |
#define SERIAL_GET_STATS 35 |
45 |
#define SERIAL_CLEAR_STATS 36 |
46 |
#define SERIAL_GET_MODEM_CONTROL 37 |
47 |
#define SERIAL_SET_MODEM_CONTROL 38 |
48 |
#define SERIAL_SET_FIFO_CONTROL 39 |
49 |
|
50 |
#define STOP_BITS_1 0 |
51 |
#define STOP_BITS_2 2 |
52 |
|
53 |
#define NO_PARITY 0 |
54 |
#define ODD_PARITY 1 |
55 |
#define EVEN_PARITY 2 |
56 |
|
57 |
#define SERIAL_PURGE_TXABORT 0x00000001 |
58 |
#define SERIAL_PURGE_RXABORT 0x00000002 |
59 |
#define SERIAL_PURGE_TXCLEAR 0x00000004 |
60 |
#define SERIAL_PURGE_RXCLEAR 0x00000008 |
61 |
|
62 |
/* SERIAL_WAIT_ON_MASK */ |
63 |
#define SERIAL_EV_RXCHAR 0x0001 // Any Character received |
64 |
#define SERIAL_EV_RXFLAG 0x0002 // Received certain character |
65 |
#define SERIAL_EV_TXEMPTY 0x0004 // Transmitt Queue Empty |
66 |
#define SERIAL_EV_CTS 0x0008 // CTS changed state |
67 |
#define SERIAL_EV_DSR 0x0010 // DSR changed state |
68 |
#define SERIAL_EV_RLSD 0x0020 // RLSD changed state |
69 |
#define SERIAL_EV_BREAK 0x0040 // BREAK received |
70 |
#define SERIAL_EV_ERR 0x0080 // Line status error occurred |
71 |
#define SERIAL_EV_RING 0x0100 // Ring signal detected |
72 |
#define SERIAL_EV_PERR 0x0200 // Printer error occured |
73 |
#define SERIAL_EV_RX80FULL 0x0400 // Receive buffer is 80 percent full |
74 |
#define SERIAL_EV_EVENT1 0x0800 // Provider specific event 1 |
75 |
#define SERIAL_EV_EVENT2 0x1000 // Provider specific event 2 |
76 |
|
77 |
/* Modem Status */ |
78 |
#define SERIAL_MS_CTS 0x10 |
79 |
#define SERIAL_MS_DSR 0x20 |
80 |
#define SERIAL_MS_RNG 0x40 |
81 |
#define SERIAL_MS_CAR 0x80 |
82 |
|
83 |
#ifndef CRTSCTS |
84 |
#define CRTSCTS 0 |
85 |
#endif |
86 |
|
87 |
|
88 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
89 |
|
90 |
static SERIAL_DEVICE * |
91 |
get_serial_info(HANDLE handle) |
92 |
{ |
93 |
int index; |
94 |
|
95 |
for (index = 0; index < RDPDR_MAX_DEVICES; index++) |
96 |
{ |
97 |
if (handle == g_rdpdr_device[index].handle) |
98 |
return (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
99 |
} |
100 |
return NULL; |
101 |
} |
102 |
|
103 |
static BOOL |
104 |
get_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
105 |
{ |
106 |
speed_t speed; |
107 |
struct termios *ptermios; |
108 |
|
109 |
ptermios = pser_inf->ptermios; |
110 |
|
111 |
if (tcgetattr(serial_fd, ptermios) == -1) |
112 |
return False; |
113 |
|
114 |
speed = cfgetispeed(ptermios); |
115 |
switch (speed) |
116 |
{ |
117 |
#ifdef B75 |
118 |
case B75: |
119 |
pser_inf->baud_rate = 75; |
120 |
break; |
121 |
#endif |
122 |
#ifdef B110 |
123 |
case B110: |
124 |
pser_inf->baud_rate = 110; |
125 |
break; |
126 |
#endif |
127 |
#ifdef B134 |
128 |
case B134: |
129 |
pser_inf->baud_rate = 134; |
130 |
break; |
131 |
#endif |
132 |
#ifdef B150 |
133 |
case B150: |
134 |
pser_inf->baud_rate = 150; |
135 |
break; |
136 |
#endif |
137 |
#ifdef B300 |
138 |
case B300: |
139 |
pser_inf->baud_rate = 300; |
140 |
break; |
141 |
#endif |
142 |
#ifdef B600 |
143 |
case B600: |
144 |
pser_inf->baud_rate = 600; |
145 |
break; |
146 |
#endif |
147 |
#ifdef B1200 |
148 |
case B1200: |
149 |
pser_inf->baud_rate = 1200; |
150 |
break; |
151 |
#endif |
152 |
#ifdef B1800 |
153 |
case B1800: |
154 |
pser_inf->baud_rate = 1800; |
155 |
break; |
156 |
#endif |
157 |
#ifdef B2400 |
158 |
case B2400: |
159 |
pser_inf->baud_rate = 2400; |
160 |
break; |
161 |
#endif |
162 |
#ifdef B4800 |
163 |
case B4800: |
164 |
pser_inf->baud_rate = 4800; |
165 |
break; |
166 |
#endif |
167 |
#ifdef B9600 |
168 |
case B9600: |
169 |
pser_inf->baud_rate = 9600; |
170 |
break; |
171 |
#endif |
172 |
#ifdef B19200 |
173 |
case B19200: |
174 |
pser_inf->baud_rate = 19200; |
175 |
break; |
176 |
#endif |
177 |
#ifdef B38400 |
178 |
case B38400: |
179 |
pser_inf->baud_rate = 38400; |
180 |
break; |
181 |
#endif |
182 |
#ifdef B57600 |
183 |
case B57600: |
184 |
pser_inf->baud_rate = 57600; |
185 |
break; |
186 |
#endif |
187 |
#ifdef B115200 |
188 |
case B115200: |
189 |
pser_inf->baud_rate = 115200; |
190 |
break; |
191 |
#endif |
192 |
default: |
193 |
pser_inf->baud_rate = 0; |
194 |
break; |
195 |
} |
196 |
|
197 |
speed = cfgetospeed(ptermios); |
198 |
pser_inf->dtr = (speed == B0) ? 0 : 1; |
199 |
|
200 |
pser_inf->stop_bits = (ptermios->c_cflag & CSTOPB) ? STOP_BITS_2 : STOP_BITS_1; |
201 |
pser_inf->parity = |
202 |
(ptermios-> |
203 |
c_cflag & PARENB) ? ((ptermios-> |
204 |
c_cflag & PARODD) ? ODD_PARITY : EVEN_PARITY) : NO_PARITY; |
205 |
switch (ptermios->c_cflag & CSIZE) |
206 |
{ |
207 |
case CS5: |
208 |
pser_inf->word_length = 5; |
209 |
break; |
210 |
case CS6: |
211 |
pser_inf->word_length = 6; |
212 |
break; |
213 |
case CS7: |
214 |
pser_inf->word_length = 7; |
215 |
break; |
216 |
default: |
217 |
pser_inf->word_length = 8; |
218 |
break; |
219 |
} |
220 |
|
221 |
pser_inf->rts = (ptermios->c_cflag & CRTSCTS) ? 1 : 0; |
222 |
|
223 |
return True; |
224 |
} |
225 |
|
226 |
static void |
227 |
set_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
228 |
{ |
229 |
speed_t speed; |
230 |
|
231 |
struct termios *ptermios; |
232 |
|
233 |
ptermios = pser_inf->ptermios; |
234 |
|
235 |
|
236 |
switch (pser_inf->baud_rate) |
237 |
{ |
238 |
#ifdef B75 |
239 |
case 75: |
240 |
speed = B75; |
241 |
break; |
242 |
#endif |
243 |
#ifdef B110 |
244 |
case 110: |
245 |
speed = B110; |
246 |
break; |
247 |
#endif |
248 |
#ifdef B134 |
249 |
case 134: |
250 |
speed = B134; |
251 |
break; |
252 |
#endif |
253 |
#ifdef B150 |
254 |
case 150: |
255 |
speed = B150; |
256 |
break; |
257 |
#endif |
258 |
#ifdef B300 |
259 |
case 300: |
260 |
speed = B300; |
261 |
break; |
262 |
#endif |
263 |
#ifdef B600 |
264 |
case 600: |
265 |
speed = B600; |
266 |
break; |
267 |
#endif |
268 |
#ifdef B1200 |
269 |
case 1200: |
270 |
speed = B1200; |
271 |
break; |
272 |
#endif |
273 |
#ifdef B1800 |
274 |
case 1800: |
275 |
speed = B1800; |
276 |
break; |
277 |
#endif |
278 |
#ifdef B2400 |
279 |
case 2400: |
280 |
speed = B2400; |
281 |
break; |
282 |
#endif |
283 |
#ifdef B4800 |
284 |
case 4800: |
285 |
speed = B4800; |
286 |
break; |
287 |
#endif |
288 |
#ifdef B9600 |
289 |
case 9600: |
290 |
speed = B9600; |
291 |
break; |
292 |
#endif |
293 |
#ifdef B19200 |
294 |
case 19200: |
295 |
speed = B19200; |
296 |
break; |
297 |
#endif |
298 |
#ifdef B38400 |
299 |
case 38400: |
300 |
speed = B38400; |
301 |
break; |
302 |
#endif |
303 |
#ifdef B57600 |
304 |
case 57600: |
305 |
speed = B57600; |
306 |
break; |
307 |
#endif |
308 |
#ifdef B115200 |
309 |
case 115200: |
310 |
speed = B115200; |
311 |
break; |
312 |
#endif |
313 |
default: |
314 |
speed = B0; |
315 |
break; |
316 |
} |
317 |
|
318 |
/* on systems with separate ispeed and ospeed, we can remember the speed |
319 |
in ispeed while changing DTR with ospeed */ |
320 |
cfsetispeed(pser_inf->ptermios, speed); |
321 |
cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0); |
322 |
|
323 |
ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE | CRTSCTS); |
324 |
switch (pser_inf->stop_bits) |
325 |
{ |
326 |
case STOP_BITS_2: |
327 |
ptermios->c_cflag |= CSTOPB; |
328 |
break; |
329 |
} |
330 |
|
331 |
switch (pser_inf->parity) |
332 |
{ |
333 |
case EVEN_PARITY: |
334 |
ptermios->c_cflag |= PARENB; |
335 |
break; |
336 |
case ODD_PARITY: |
337 |
ptermios->c_cflag |= PARENB | PARODD; |
338 |
break; |
339 |
} |
340 |
|
341 |
switch (pser_inf->word_length) |
342 |
{ |
343 |
case 5: |
344 |
ptermios->c_cflag |= CS5; |
345 |
break; |
346 |
case 6: |
347 |
ptermios->c_cflag |= CS6; |
348 |
break; |
349 |
case 7: |
350 |
ptermios->c_cflag |= CS7; |
351 |
break; |
352 |
default: |
353 |
ptermios->c_cflag |= CS8; |
354 |
break; |
355 |
} |
356 |
|
357 |
if (pser_inf->rts) |
358 |
ptermios->c_cflag |= CRTSCTS; |
359 |
|
360 |
tcsetattr(serial_fd, TCSANOW, ptermios); |
361 |
} |
362 |
|
363 |
/* Enumeration of devices from rdesktop.c */ |
364 |
/* returns numer of units found and initialized. */ |
365 |
/* optarg looks like ':com1=/dev/ttyS0' */ |
366 |
/* when it arrives to this function. */ |
367 |
/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */ |
368 |
int |
369 |
serial_enum_devices(uint32 * id, char *optarg) |
370 |
{ |
371 |
SERIAL_DEVICE *pser_inf; |
372 |
|
373 |
char *pos = optarg; |
374 |
char *pos2; |
375 |
int count = 0; |
376 |
|
377 |
// skip the first colon |
378 |
optarg++; |
379 |
while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES) |
380 |
{ |
381 |
// Init data structures for device |
382 |
pser_inf = (SERIAL_DEVICE *) xmalloc(sizeof(SERIAL_DEVICE)); |
383 |
pser_inf->ptermios = (struct termios *) xmalloc(sizeof(struct termios)); |
384 |
memset(pser_inf->ptermios, 0, sizeof(struct termios)); |
385 |
pser_inf->pold_termios = (struct termios *) xmalloc(sizeof(struct termios)); |
386 |
memset(pser_inf->pold_termios, 0, sizeof(struct termios)); |
387 |
|
388 |
pos2 = next_arg(optarg, '='); |
389 |
strcpy(g_rdpdr_device[*id].name, optarg); |
390 |
|
391 |
toupper_str(g_rdpdr_device[*id].name); |
392 |
|
393 |
g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1); |
394 |
strcpy(g_rdpdr_device[*id].local_path, pos2); |
395 |
printf("SERIAL %s to %s\n", g_rdpdr_device[*id].name, |
396 |
g_rdpdr_device[*id].local_path); |
397 |
// set device type |
398 |
g_rdpdr_device[*id].device_type = DEVICE_TYPE_SERIAL; |
399 |
g_rdpdr_device[*id].pdevice_data = (void *) pser_inf; |
400 |
count++; |
401 |
(*id)++; |
402 |
|
403 |
optarg = pos; |
404 |
} |
405 |
return count; |
406 |
} |
407 |
|
408 |
static NTSTATUS |
409 |
serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, |
410 |
uint32 flags_and_attributes, char *filename, HANDLE * handle) |
411 |
{ |
412 |
HANDLE serial_fd; |
413 |
SERIAL_DEVICE *pser_inf; |
414 |
struct termios *ptermios; |
415 |
|
416 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[device_id].pdevice_data; |
417 |
ptermios = pser_inf->ptermios; |
418 |
serial_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY | O_NONBLOCK); |
419 |
|
420 |
if (serial_fd == -1) |
421 |
{ |
422 |
perror("open"); |
423 |
return STATUS_ACCESS_DENIED; |
424 |
} |
425 |
|
426 |
if (!get_termios(pser_inf, serial_fd)) |
427 |
{ |
428 |
printf("INFO: SERIAL %s access denied\n", g_rdpdr_device[device_id].name); |
429 |
fflush(stdout); |
430 |
return STATUS_ACCESS_DENIED; |
431 |
} |
432 |
|
433 |
// Store handle for later use |
434 |
g_rdpdr_device[device_id].handle = serial_fd; |
435 |
|
436 |
/* some sane information */ |
437 |
printf("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u, rts %u\n", g_rdpdr_device[device_id].name, g_rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr, pser_inf->rts); |
438 |
|
439 |
printf("INFO: use stty to change settings\n"); |
440 |
|
441 |
/* ptermios->c_cflag = B115200 | CRTSCTS | CS8 | CLOCAL | CREAD; |
442 |
ptermios->c_cflag |= CREAD; |
443 |
ptermios->c_lflag |= ICANON; |
444 |
ptermios->c_iflag = IGNPAR | ICRNL; |
445 |
|
446 |
tcsetattr(serial_fd, TCSANOW, ptermios); |
447 |
*/ |
448 |
pser_inf->ptermios->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
449 |
pser_inf->ptermios->c_oflag &= ~OPOST; |
450 |
pser_inf->ptermios->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
451 |
pser_inf->ptermios->c_cflag &= ~(CSIZE|PARENB); |
452 |
pser_inf->ptermios->c_cflag |= CS8; |
453 |
tcsetattr(serial_fd, TCSANOW, pser_inf->ptermios); |
454 |
|
455 |
*handle = serial_fd; |
456 |
|
457 |
/* all read and writes should be non blocking */ |
458 |
if (fcntl(*handle, F_SETFL, O_NONBLOCK) == -1) |
459 |
perror("fcntl"); |
460 |
|
461 |
return STATUS_SUCCESS; |
462 |
} |
463 |
|
464 |
static NTSTATUS |
465 |
serial_close(HANDLE handle) |
466 |
{ |
467 |
int i = get_device_index(handle); |
468 |
if (i >= 0) |
469 |
g_rdpdr_device[i].handle = 0; |
470 |
close(handle); |
471 |
return STATUS_SUCCESS; |
472 |
} |
473 |
|
474 |
static NTSTATUS |
475 |
serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
476 |
{ |
477 |
long timeout; |
478 |
SERIAL_DEVICE *pser_inf; |
479 |
struct termios *ptermios; |
480 |
|
481 |
timeout = 90; |
482 |
pser_inf = get_serial_info(handle); |
483 |
ptermios = pser_inf->ptermios; |
484 |
|
485 |
// Set timeouts kind of like the windows serial timeout parameters. Multiply timeout |
486 |
// with requested read size |
487 |
if (pser_inf->read_total_timeout_multiplier | pser_inf->read_total_timeout_constant) |
488 |
{ |
489 |
timeout = |
490 |
(pser_inf->read_total_timeout_multiplier * length + |
491 |
pser_inf->read_total_timeout_constant + 99) / 100; |
492 |
} |
493 |
else if (pser_inf->read_interval_timeout) |
494 |
{ |
495 |
timeout = (pser_inf->read_interval_timeout * length + 99) / 100; |
496 |
} |
497 |
|
498 |
// If a timeout is set, do a blocking read, which times out after some time. |
499 |
// It will make rdesktop less responsive, but it will improve serial performance, by not |
500 |
// reading one character at a time. |
501 |
if (timeout == 0) |
502 |
{ |
503 |
ptermios->c_cc[VTIME] = 0; |
504 |
ptermios->c_cc[VMIN] = 0; |
505 |
} |
506 |
else |
507 |
{ |
508 |
ptermios->c_cc[VTIME] = timeout; |
509 |
ptermios->c_cc[VMIN] = 1; |
510 |
} |
511 |
tcsetattr(handle, TCSANOW, ptermios); |
512 |
|
513 |
|
514 |
*result = read(handle, data, length); |
515 |
|
516 |
//hexdump(data, *read); |
517 |
|
518 |
return STATUS_SUCCESS; |
519 |
} |
520 |
|
521 |
static NTSTATUS |
522 |
serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
523 |
{ |
524 |
*result = write(handle, data, length); |
525 |
return STATUS_SUCCESS; |
526 |
} |
527 |
|
528 |
static NTSTATUS |
529 |
serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
530 |
{ |
531 |
#if 0 |
532 |
int flush_mask, purge_mask; |
533 |
#endif |
534 |
uint32 result, modemstate; |
535 |
uint8 immediate; |
536 |
SERIAL_DEVICE *pser_inf; |
537 |
struct termios *ptermios; |
538 |
|
539 |
if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
540 |
return STATUS_INVALID_PARAMETER; |
541 |
|
542 |
pser_inf = get_serial_info(handle); |
543 |
ptermios = pser_inf->ptermios; |
544 |
|
545 |
/* extract operation */ |
546 |
request >>= 2; |
547 |
request &= 0xfff; |
548 |
|
549 |
printf("SERIAL IOCTL %d\n", request); |
550 |
|
551 |
switch (request) |
552 |
{ |
553 |
case SERIAL_SET_BAUD_RATE: |
554 |
in_uint32_le(in, pser_inf->baud_rate); |
555 |
set_termios(pser_inf, handle); |
556 |
break; |
557 |
case SERIAL_GET_BAUD_RATE: |
558 |
out_uint32_le(out, pser_inf->baud_rate); |
559 |
break; |
560 |
case SERIAL_SET_QUEUE_SIZE: |
561 |
in_uint32_le(in, pser_inf->queue_in_size); |
562 |
in_uint32_le(in, pser_inf->queue_out_size); |
563 |
break; |
564 |
case SERIAL_SET_LINE_CONTROL: |
565 |
in_uint8(in, pser_inf->stop_bits); |
566 |
in_uint8(in, pser_inf->parity); |
567 |
in_uint8(in, pser_inf->word_length); |
568 |
set_termios(pser_inf, handle); |
569 |
break; |
570 |
case SERIAL_GET_LINE_CONTROL: |
571 |
out_uint8(out, pser_inf->stop_bits); |
572 |
out_uint8(out, pser_inf->parity); |
573 |
out_uint8(out, pser_inf->word_length); |
574 |
break; |
575 |
case SERIAL_IMMEDIATE_CHAR: |
576 |
in_uint8(in, immediate); |
577 |
serial_write(handle, &immediate, 1, 0, &result); |
578 |
break; |
579 |
case SERIAL_CONFIG_SIZE: |
580 |
out_uint32_le(out, 0); |
581 |
break; |
582 |
case SERIAL_GET_CHARS: |
583 |
out_uint8s(out, 6); |
584 |
break; |
585 |
case SERIAL_SET_CHARS: |
586 |
in_uint8s(in, 6); |
587 |
break; |
588 |
case SERIAL_GET_HANDFLOW: |
589 |
out_uint32_le(out, 0); |
590 |
out_uint32_le(out, 3); /* Xon/Xoff */ |
591 |
out_uint32_le(out, 0); |
592 |
out_uint32_le(out, 0); |
593 |
break; |
594 |
case SERIAL_SET_HANDFLOW: |
595 |
in_uint8s(in, 16); |
596 |
break; |
597 |
case SERIAL_SET_TIMEOUTS: |
598 |
in_uint8s(in, 20); |
599 |
break; |
600 |
case SERIAL_GET_TIMEOUTS: |
601 |
out_uint8s(out, 20); |
602 |
break; |
603 |
case SERIAL_GET_WAIT_MASK: |
604 |
out_uint32(out, pser_inf->wait_mask); |
605 |
break; |
606 |
case SERIAL_SET_WAIT_MASK: |
607 |
in_uint32(in, pser_inf->wait_mask); |
608 |
break; |
609 |
case SERIAL_SET_DTR: |
610 |
pser_inf->dtr = 1; |
611 |
set_termios(pser_inf, handle); |
612 |
break; |
613 |
case SERIAL_CLR_DTR: |
614 |
pser_inf->dtr = 0; |
615 |
set_termios(pser_inf, handle); |
616 |
break; |
617 |
case SERIAL_SET_RTS: |
618 |
pser_inf->rts = 1; |
619 |
set_termios(pser_inf, handle); |
620 |
break; |
621 |
case SERIAL_CLR_RTS: |
622 |
pser_inf->rts = 0; |
623 |
set_termios(pser_inf, handle); |
624 |
break; |
625 |
case SERIAL_GET_MODEMSTATUS: |
626 |
modemstate = 0; |
627 |
#ifdef TIOCMGET |
628 |
ioctl(handle, TIOCMGET, &result); |
629 |
if (result & TIOCM_CTS) |
630 |
modemstate |= SERIAL_MS_CTS; |
631 |
if (result & TIOCM_DSR) |
632 |
modemstate |= SERIAL_MS_DSR; |
633 |
if (result & TIOCM_RNG) |
634 |
modemstate |= SERIAL_MS_RNG; |
635 |
if (result & TIOCM_CAR) |
636 |
modemstate |= SERIAL_MS_CAR; |
637 |
#endif |
638 |
out_uint32_le(out, modemstate); |
639 |
break; |
640 |
case SERIAL_GET_COMMSTATUS: |
641 |
out_uint32_le(out, 0); /* Errors */ |
642 |
out_uint32_le(out, 0); /* Hold reasons */ |
643 |
out_uint32_le(out, 0); /* Amount in in queue */ |
644 |
out_uint32_le(out, 0); /* Amount in out queue */ |
645 |
out_uint8(out, 0); /* EofReceived */ |
646 |
out_uint8(out, 0); /* WaitForImmediate */ |
647 |
break; |
648 |
#if 0 |
649 |
case SERIAL_PURGE: |
650 |
printf("SERIAL_PURGE\n"); |
651 |
in_uint32(in, purge_mask); |
652 |
if (purge_mask & 0x04) |
653 |
flush_mask |= TCOFLUSH; |
654 |
if (purge_mask & 0x08) |
655 |
flush_mask |= TCIFLUSH; |
656 |
if (flush_mask != 0) |
657 |
tcflush(handle, flush_mask); |
658 |
if (purge_mask & 0x01) |
659 |
rdpdr_abort_io(handle, 4, STATUS_CANCELLED); |
660 |
if (purge_mask & 0x02) |
661 |
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); |
662 |
break; |
663 |
case SERIAL_WAIT_ON_MASK: |
664 |
/* XXX implement me */ |
665 |
out_uint32_le(out, pser_inf->wait_mask); |
666 |
break; |
667 |
case SERIAL_SET_BREAK_ON: |
668 |
tcsendbreak(serial_fd, 0); |
669 |
break; |
670 |
case SERIAL_RESET_DEVICE: |
671 |
case SERIAL_SET_BREAK_OFF: |
672 |
case SERIAL_SET_XOFF: |
673 |
case SERIAL_SET_XON: |
674 |
/* ignore */ |
675 |
break; |
676 |
#endif |
677 |
default: |
678 |
unimpl("SERIAL IOCTL %d\n", request); |
679 |
return STATUS_INVALID_PARAMETER; |
680 |
} |
681 |
|
682 |
return STATUS_SUCCESS; |
683 |
} |
684 |
|
685 |
/* Read timeout for a given file descripter (device) when adding fd's to select() */ |
686 |
BOOL |
687 |
serial_get_timeout(HANDLE handle, uint32 length, uint32 * timeout, uint32 * itv_timeout) |
688 |
{ |
689 |
int index; |
690 |
SERIAL_DEVICE *pser_inf; |
691 |
|
692 |
index = get_device_index(handle); |
693 |
if (index < 0) |
694 |
return True; |
695 |
|
696 |
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) |
697 |
{ |
698 |
return False; |
699 |
} |
700 |
|
701 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
702 |
|
703 |
*timeout = |
704 |
pser_inf->read_total_timeout_multiplier * length + |
705 |
pser_inf->read_total_timeout_constant; |
706 |
*itv_timeout = pser_inf->read_interval_timeout; |
707 |
return True; |
708 |
} |
709 |
|
710 |
DEVICE_FNS serial_fns = { |
711 |
serial_create, |
712 |
serial_close, |
713 |
serial_read, |
714 |
serial_write, |
715 |
serial_device_control |
716 |
}; |