]>
Commit | Line | Data |
---|---|---|
6f97dba0 AL |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu-common.h" | |
25 | #include "net.h" | |
26 | #include "console.h" | |
27 | #include "sysemu.h" | |
28 | #include "qemu-timer.h" | |
29 | #include "qemu-char.h" | |
30 | #include "block.h" | |
cf3ebac7 AJ |
31 | #include "hw/usb.h" |
32 | #include "hw/baum.h" | |
aa71cf80 | 33 | #include "hw/msmouse.h" |
6f97dba0 AL |
34 | |
35 | #include <unistd.h> | |
36 | #include <fcntl.h> | |
37 | #include <signal.h> | |
38 | #include <time.h> | |
39 | #include <errno.h> | |
40 | #include <sys/time.h> | |
41 | #include <zlib.h> | |
42 | ||
43 | #ifndef _WIN32 | |
44 | #include <sys/times.h> | |
45 | #include <sys/wait.h> | |
46 | #include <termios.h> | |
47 | #include <sys/mman.h> | |
48 | #include <sys/ioctl.h> | |
24646c7e | 49 | #include <sys/resource.h> |
6f97dba0 AL |
50 | #include <sys/socket.h> |
51 | #include <netinet/in.h> | |
24646c7e BS |
52 | #include <net/if.h> |
53 | #ifdef __NetBSD__ | |
54 | #include <net/if_tap.h> | |
55 | #endif | |
56 | #ifdef __linux__ | |
57 | #include <linux/if_tun.h> | |
58 | #endif | |
59 | #include <arpa/inet.h> | |
6f97dba0 AL |
60 | #include <dirent.h> |
61 | #include <netdb.h> | |
62 | #include <sys/select.h> | |
6f97dba0 AL |
63 | #ifdef _BSD |
64 | #include <sys/stat.h> | |
24646c7e | 65 | #ifdef __FreeBSD__ |
6f97dba0 | 66 | #include <libutil.h> |
6972f935 BS |
67 | #include <dev/ppbus/ppi.h> |
68 | #include <dev/ppbus/ppbconf.h> | |
24646c7e BS |
69 | #else |
70 | #include <util.h> | |
6f97dba0 AL |
71 | #endif |
72 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
73 | #include <freebsd/stdlib.h> | |
74 | #else | |
75 | #ifdef __linux__ | |
6f97dba0 AL |
76 | #include <pty.h> |
77 | ||
78 | #include <linux/ppdev.h> | |
79 | #include <linux/parport.h> | |
80 | #endif | |
81 | #ifdef __sun__ | |
82 | #include <sys/stat.h> | |
83 | #include <sys/ethernet.h> | |
84 | #include <sys/sockio.h> | |
85 | #include <netinet/arp.h> | |
86 | #include <netinet/in.h> | |
87 | #include <netinet/in_systm.h> | |
88 | #include <netinet/ip.h> | |
89 | #include <netinet/ip_icmp.h> // must come after ip.h | |
90 | #include <netinet/udp.h> | |
91 | #include <netinet/tcp.h> | |
92 | #include <net/if.h> | |
93 | #include <syslog.h> | |
94 | #include <stropts.h> | |
95 | #endif | |
96 | #endif | |
97 | #endif | |
98 | ||
99 | #include "qemu_socket.h" | |
100 | ||
101 | /***********************************************************/ | |
102 | /* character device */ | |
103 | ||
104 | static void qemu_chr_event(CharDriverState *s, int event) | |
105 | { | |
106 | if (!s->chr_event) | |
107 | return; | |
108 | s->chr_event(s->handler_opaque, event); | |
109 | } | |
110 | ||
111 | static void qemu_chr_reset_bh(void *opaque) | |
112 | { | |
113 | CharDriverState *s = opaque; | |
114 | qemu_chr_event(s, CHR_EVENT_RESET); | |
115 | qemu_bh_delete(s->bh); | |
116 | s->bh = NULL; | |
117 | } | |
118 | ||
119 | void qemu_chr_reset(CharDriverState *s) | |
120 | { | |
121 | if (s->bh == NULL) { | |
122 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); | |
123 | qemu_bh_schedule(s->bh); | |
124 | } | |
125 | } | |
126 | ||
127 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
128 | { | |
129 | return s->chr_write(s, buf, len); | |
130 | } | |
131 | ||
132 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
133 | { | |
134 | if (!s->chr_ioctl) | |
135 | return -ENOTSUP; | |
136 | return s->chr_ioctl(s, cmd, arg); | |
137 | } | |
138 | ||
139 | int qemu_chr_can_read(CharDriverState *s) | |
140 | { | |
141 | if (!s->chr_can_read) | |
142 | return 0; | |
143 | return s->chr_can_read(s->handler_opaque); | |
144 | } | |
145 | ||
146 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
147 | { | |
148 | s->chr_read(s->handler_opaque, buf, len); | |
149 | } | |
150 | ||
151 | void qemu_chr_accept_input(CharDriverState *s) | |
152 | { | |
153 | if (s->chr_accept_input) | |
154 | s->chr_accept_input(s); | |
155 | } | |
156 | ||
157 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
158 | { | |
159 | char buf[4096]; | |
160 | va_list ap; | |
161 | va_start(ap, fmt); | |
162 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
163 | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); | |
164 | va_end(ap); | |
165 | } | |
166 | ||
167 | void qemu_chr_send_event(CharDriverState *s, int event) | |
168 | { | |
169 | if (s->chr_send_event) | |
170 | s->chr_send_event(s, event); | |
171 | } | |
172 | ||
173 | void qemu_chr_add_handlers(CharDriverState *s, | |
174 | IOCanRWHandler *fd_can_read, | |
175 | IOReadHandler *fd_read, | |
176 | IOEventHandler *fd_event, | |
177 | void *opaque) | |
178 | { | |
179 | s->chr_can_read = fd_can_read; | |
180 | s->chr_read = fd_read; | |
181 | s->chr_event = fd_event; | |
182 | s->handler_opaque = opaque; | |
183 | if (s->chr_update_read_handler) | |
184 | s->chr_update_read_handler(s); | |
185 | } | |
186 | ||
187 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
188 | { | |
189 | return len; | |
190 | } | |
191 | ||
192 | static CharDriverState *qemu_chr_open_null(void) | |
193 | { | |
194 | CharDriverState *chr; | |
195 | ||
196 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 AL |
197 | chr->chr_write = null_chr_write; |
198 | return chr; | |
199 | } | |
200 | ||
201 | /* MUX driver for serial I/O splitting */ | |
202 | static int term_timestamps; | |
203 | static int64_t term_timestamps_start; | |
204 | #define MAX_MUX 4 | |
205 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
206 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
207 | typedef struct { | |
208 | IOCanRWHandler *chr_can_read[MAX_MUX]; | |
209 | IOReadHandler *chr_read[MAX_MUX]; | |
210 | IOEventHandler *chr_event[MAX_MUX]; | |
211 | void *ext_opaque[MAX_MUX]; | |
212 | CharDriverState *drv; | |
213 | unsigned char buffer[MUX_BUFFER_SIZE]; | |
214 | int prod; | |
215 | int cons; | |
216 | int mux_cnt; | |
217 | int term_got_escape; | |
218 | int max_size; | |
219 | } MuxDriver; | |
220 | ||
221 | ||
222 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
223 | { | |
224 | MuxDriver *d = chr->opaque; | |
225 | int ret; | |
226 | if (!term_timestamps) { | |
227 | ret = d->drv->chr_write(d->drv, buf, len); | |
228 | } else { | |
229 | int i; | |
230 | ||
231 | ret = 0; | |
232 | for(i = 0; i < len; i++) { | |
233 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
234 | if (buf[i] == '\n') { | |
235 | char buf1[64]; | |
236 | int64_t ti; | |
237 | int secs; | |
238 | ||
239 | ti = qemu_get_clock(rt_clock); | |
240 | if (term_timestamps_start == -1) | |
241 | term_timestamps_start = ti; | |
242 | ti -= term_timestamps_start; | |
a4bb1db8 | 243 | secs = ti / 1000; |
6f97dba0 AL |
244 | snprintf(buf1, sizeof(buf1), |
245 | "[%02d:%02d:%02d.%03d] ", | |
246 | secs / 3600, | |
247 | (secs / 60) % 60, | |
248 | secs % 60, | |
a4bb1db8 | 249 | (int)(ti % 1000)); |
6f97dba0 AL |
250 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
251 | } | |
252 | } | |
253 | } | |
254 | return ret; | |
255 | } | |
256 | ||
257 | static const char * const mux_help[] = { | |
258 | "% h print this help\n\r", | |
259 | "% x exit emulator\n\r", | |
260 | "% s save disk data back to file (if -snapshot)\n\r", | |
261 | "% t toggle console timestamps\n\r" | |
262 | "% b send break (magic sysrq)\n\r", | |
263 | "% c switch between console and monitor\n\r", | |
264 | "% % sends %\n\r", | |
265 | NULL | |
266 | }; | |
267 | ||
268 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
269 | static void mux_print_help(CharDriverState *chr) | |
270 | { | |
271 | int i, j; | |
272 | char ebuf[15] = "Escape-Char"; | |
273 | char cbuf[50] = "\n\r"; | |
274 | ||
275 | if (term_escape_char > 0 && term_escape_char < 26) { | |
276 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
277 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
278 | } else { | |
279 | snprintf(cbuf, sizeof(cbuf), | |
280 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
281 | term_escape_char); | |
282 | } | |
283 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
284 | for (i = 0; mux_help[i] != NULL; i++) { | |
285 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
286 | if (mux_help[i][j] == '%') | |
287 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
288 | else | |
289 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
290 | } | |
291 | } | |
292 | } | |
293 | ||
294 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) | |
295 | { | |
296 | if (d->term_got_escape) { | |
297 | d->term_got_escape = 0; | |
298 | if (ch == term_escape_char) | |
299 | goto send_char; | |
300 | switch(ch) { | |
301 | case '?': | |
302 | case 'h': | |
303 | mux_print_help(chr); | |
304 | break; | |
305 | case 'x': | |
306 | { | |
307 | const char *term = "QEMU: Terminated\n\r"; | |
308 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
309 | exit(0); | |
310 | break; | |
311 | } | |
312 | case 's': | |
313 | { | |
314 | int i; | |
315 | for (i = 0; i < nb_drives; i++) { | |
316 | bdrv_commit(drives_table[i].bdrv); | |
317 | } | |
318 | } | |
319 | break; | |
320 | case 'b': | |
321 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
322 | break; | |
323 | case 'c': | |
324 | /* Switch to the next registered device */ | |
325 | chr->focus++; | |
326 | if (chr->focus >= d->mux_cnt) | |
327 | chr->focus = 0; | |
328 | break; | |
329 | case 't': | |
330 | term_timestamps = !term_timestamps; | |
331 | term_timestamps_start = -1; | |
332 | break; | |
333 | } | |
334 | } else if (ch == term_escape_char) { | |
335 | d->term_got_escape = 1; | |
336 | } else { | |
337 | send_char: | |
338 | return 1; | |
339 | } | |
340 | return 0; | |
341 | } | |
342 | ||
343 | static void mux_chr_accept_input(CharDriverState *chr) | |
344 | { | |
345 | int m = chr->focus; | |
346 | MuxDriver *d = chr->opaque; | |
347 | ||
348 | while (d->prod != d->cons && | |
349 | d->chr_can_read[m] && | |
350 | d->chr_can_read[m](d->ext_opaque[m])) { | |
351 | d->chr_read[m](d->ext_opaque[m], | |
352 | &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1); | |
353 | } | |
354 | } | |
355 | ||
356 | static int mux_chr_can_read(void *opaque) | |
357 | { | |
358 | CharDriverState *chr = opaque; | |
359 | MuxDriver *d = chr->opaque; | |
360 | ||
361 | if ((d->prod - d->cons) < MUX_BUFFER_SIZE) | |
362 | return 1; | |
363 | if (d->chr_can_read[chr->focus]) | |
364 | return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); | |
365 | return 0; | |
366 | } | |
367 | ||
368 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
369 | { | |
370 | CharDriverState *chr = opaque; | |
371 | MuxDriver *d = chr->opaque; | |
372 | int m = chr->focus; | |
373 | int i; | |
374 | ||
375 | mux_chr_accept_input (opaque); | |
376 | ||
377 | for(i = 0; i < size; i++) | |
378 | if (mux_proc_byte(chr, d, buf[i])) { | |
379 | if (d->prod == d->cons && | |
380 | d->chr_can_read[m] && | |
381 | d->chr_can_read[m](d->ext_opaque[m])) | |
382 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
383 | else | |
384 | d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; | |
385 | } | |
386 | } | |
387 | ||
388 | static void mux_chr_event(void *opaque, int event) | |
389 | { | |
390 | CharDriverState *chr = opaque; | |
391 | MuxDriver *d = chr->opaque; | |
392 | int i; | |
393 | ||
394 | /* Send the event to all registered listeners */ | |
395 | for (i = 0; i < d->mux_cnt; i++) | |
396 | if (d->chr_event[i]) | |
397 | d->chr_event[i](d->ext_opaque[i], event); | |
398 | } | |
399 | ||
400 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
401 | { | |
402 | MuxDriver *d = chr->opaque; | |
403 | ||
404 | if (d->mux_cnt >= MAX_MUX) { | |
405 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
406 | return; | |
407 | } | |
408 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
409 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
410 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
411 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
412 | /* Fix up the real driver with mux routines */ | |
413 | if (d->mux_cnt == 0) { | |
414 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
415 | mux_chr_event, chr); | |
416 | } | |
417 | chr->focus = d->mux_cnt; | |
418 | d->mux_cnt++; | |
419 | } | |
420 | ||
421 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
422 | { | |
423 | CharDriverState *chr; | |
424 | MuxDriver *d; | |
425 | ||
426 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 427 | d = qemu_mallocz(sizeof(MuxDriver)); |
6f97dba0 AL |
428 | |
429 | chr->opaque = d; | |
430 | d->drv = drv; | |
431 | chr->focus = -1; | |
432 | chr->chr_write = mux_chr_write; | |
433 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
434 | chr->chr_accept_input = mux_chr_accept_input; | |
435 | return chr; | |
436 | } | |
437 | ||
438 | ||
439 | #ifdef _WIN32 | |
d247d25f | 440 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
441 | { |
442 | int ret, len; | |
443 | ||
444 | len = len1; | |
445 | while (len > 0) { | |
446 | ret = send(fd, buf, len, 0); | |
447 | if (ret < 0) { | |
6f97dba0 AL |
448 | errno = WSAGetLastError(); |
449 | if (errno != WSAEWOULDBLOCK) { | |
450 | return -1; | |
451 | } | |
452 | } else if (ret == 0) { | |
453 | break; | |
454 | } else { | |
455 | buf += ret; | |
456 | len -= ret; | |
457 | } | |
458 | } | |
459 | return len1 - len; | |
460 | } | |
461 | ||
462 | #else | |
463 | ||
464 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
465 | { | |
466 | int ret, len; | |
467 | ||
468 | len = len1; | |
469 | while (len > 0) { | |
470 | ret = write(fd, buf, len); | |
471 | if (ret < 0) { | |
472 | if (errno != EINTR && errno != EAGAIN) | |
473 | return -1; | |
474 | } else if (ret == 0) { | |
475 | break; | |
476 | } else { | |
477 | buf += ret; | |
478 | len -= ret; | |
479 | } | |
480 | } | |
481 | return len1 - len; | |
482 | } | |
483 | ||
d247d25f | 484 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
485 | { |
486 | return unix_write(fd, buf, len1); | |
487 | } | |
488 | #endif /* !_WIN32 */ | |
489 | ||
490 | #ifndef _WIN32 | |
491 | ||
492 | typedef struct { | |
493 | int fd_in, fd_out; | |
494 | int max_size; | |
495 | } FDCharDriver; | |
496 | ||
497 | #define STDIO_MAX_CLIENTS 1 | |
498 | static int stdio_nb_clients = 0; | |
499 | ||
500 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
501 | { | |
502 | FDCharDriver *s = chr->opaque; | |
503 | return send_all(s->fd_out, buf, len); | |
504 | } | |
505 | ||
506 | static int fd_chr_read_poll(void *opaque) | |
507 | { | |
508 | CharDriverState *chr = opaque; | |
509 | FDCharDriver *s = chr->opaque; | |
510 | ||
511 | s->max_size = qemu_chr_can_read(chr); | |
512 | return s->max_size; | |
513 | } | |
514 | ||
515 | static void fd_chr_read(void *opaque) | |
516 | { | |
517 | CharDriverState *chr = opaque; | |
518 | FDCharDriver *s = chr->opaque; | |
519 | int size, len; | |
520 | uint8_t buf[1024]; | |
521 | ||
522 | len = sizeof(buf); | |
523 | if (len > s->max_size) | |
524 | len = s->max_size; | |
525 | if (len == 0) | |
526 | return; | |
527 | size = read(s->fd_in, buf, len); | |
528 | if (size == 0) { | |
529 | /* FD has been closed. Remove it from the active list. */ | |
530 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
531 | return; | |
532 | } | |
533 | if (size > 0) { | |
534 | qemu_chr_read(chr, buf, size); | |
535 | } | |
536 | } | |
537 | ||
538 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
539 | { | |
540 | FDCharDriver *s = chr->opaque; | |
541 | ||
542 | if (s->fd_in >= 0) { | |
543 | if (nographic && s->fd_in == 0) { | |
544 | } else { | |
545 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
546 | fd_chr_read, NULL, chr); | |
547 | } | |
548 | } | |
549 | } | |
550 | ||
551 | static void fd_chr_close(struct CharDriverState *chr) | |
552 | { | |
553 | FDCharDriver *s = chr->opaque; | |
554 | ||
555 | if (s->fd_in >= 0) { | |
556 | if (nographic && s->fd_in == 0) { | |
557 | } else { | |
558 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
559 | } | |
560 | } | |
561 | ||
562 | qemu_free(s); | |
563 | } | |
564 | ||
565 | /* open a character device to a unix fd */ | |
566 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
567 | { | |
568 | CharDriverState *chr; | |
569 | FDCharDriver *s; | |
570 | ||
571 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 572 | s = qemu_mallocz(sizeof(FDCharDriver)); |
6f97dba0 AL |
573 | s->fd_in = fd_in; |
574 | s->fd_out = fd_out; | |
575 | chr->opaque = s; | |
576 | chr->chr_write = fd_chr_write; | |
577 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
578 | chr->chr_close = fd_chr_close; | |
579 | ||
580 | qemu_chr_reset(chr); | |
581 | ||
582 | return chr; | |
583 | } | |
584 | ||
585 | static CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
586 | { | |
587 | int fd_out; | |
588 | ||
589 | TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); | |
590 | if (fd_out < 0) | |
591 | return NULL; | |
592 | return qemu_chr_open_fd(-1, fd_out); | |
593 | } | |
594 | ||
595 | static CharDriverState *qemu_chr_open_pipe(const char *filename) | |
596 | { | |
597 | int fd_in, fd_out; | |
598 | char filename_in[256], filename_out[256]; | |
599 | ||
600 | snprintf(filename_in, 256, "%s.in", filename); | |
601 | snprintf(filename_out, 256, "%s.out", filename); | |
602 | TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); | |
603 | TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); | |
604 | if (fd_in < 0 || fd_out < 0) { | |
605 | if (fd_in >= 0) | |
606 | close(fd_in); | |
607 | if (fd_out >= 0) | |
608 | close(fd_out); | |
609 | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); | |
610 | if (fd_in < 0) | |
611 | return NULL; | |
612 | } | |
613 | return qemu_chr_open_fd(fd_in, fd_out); | |
614 | } | |
615 | ||
616 | ||
617 | /* for STDIO, we handle the case where several clients use it | |
618 | (nographic mode) */ | |
619 | ||
620 | #define TERM_FIFO_MAX_SIZE 1 | |
621 | ||
622 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
623 | static int term_fifo_size; | |
624 | ||
625 | static int stdio_read_poll(void *opaque) | |
626 | { | |
627 | CharDriverState *chr = opaque; | |
628 | ||
629 | /* try to flush the queue if needed */ | |
630 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
631 | qemu_chr_read(chr, term_fifo, 1); | |
632 | term_fifo_size = 0; | |
633 | } | |
634 | /* see if we can absorb more chars */ | |
635 | if (term_fifo_size == 0) | |
636 | return 1; | |
637 | else | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static void stdio_read(void *opaque) | |
642 | { | |
643 | int size; | |
644 | uint8_t buf[1]; | |
645 | CharDriverState *chr = opaque; | |
646 | ||
647 | size = read(0, buf, 1); | |
648 | if (size == 0) { | |
649 | /* stdin has been closed. Remove it from the active list. */ | |
650 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
651 | return; | |
652 | } | |
653 | if (size > 0) { | |
654 | if (qemu_chr_can_read(chr) > 0) { | |
655 | qemu_chr_read(chr, buf, 1); | |
656 | } else if (term_fifo_size == 0) { | |
657 | term_fifo[term_fifo_size++] = buf[0]; | |
658 | } | |
659 | } | |
660 | } | |
661 | ||
662 | /* init terminal so that we can grab keys */ | |
663 | static struct termios oldtty; | |
664 | static int old_fd0_flags; | |
665 | static int term_atexit_done; | |
666 | ||
667 | static void term_exit(void) | |
668 | { | |
669 | tcsetattr (0, TCSANOW, &oldtty); | |
670 | fcntl(0, F_SETFL, old_fd0_flags); | |
671 | } | |
672 | ||
673 | static void term_init(void) | |
674 | { | |
675 | struct termios tty; | |
676 | ||
677 | tcgetattr (0, &tty); | |
678 | oldtty = tty; | |
679 | old_fd0_flags = fcntl(0, F_GETFL); | |
680 | ||
681 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
682 | |INLCR|IGNCR|ICRNL|IXON); | |
683 | tty.c_oflag |= OPOST; | |
684 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
685 | /* if graphical mode, we allow Ctrl-C handling */ | |
686 | if (nographic) | |
687 | tty.c_lflag &= ~ISIG; | |
688 | tty.c_cflag &= ~(CSIZE|PARENB); | |
689 | tty.c_cflag |= CS8; | |
690 | tty.c_cc[VMIN] = 1; | |
691 | tty.c_cc[VTIME] = 0; | |
692 | ||
693 | tcsetattr (0, TCSANOW, &tty); | |
694 | ||
695 | if (!term_atexit_done++) | |
696 | atexit(term_exit); | |
697 | ||
698 | fcntl(0, F_SETFL, O_NONBLOCK); | |
699 | } | |
700 | ||
701 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
702 | { | |
703 | term_exit(); | |
704 | stdio_nb_clients--; | |
705 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
706 | fd_chr_close(chr); | |
707 | } | |
708 | ||
709 | static CharDriverState *qemu_chr_open_stdio(void) | |
710 | { | |
711 | CharDriverState *chr; | |
712 | ||
713 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
714 | return NULL; | |
715 | chr = qemu_chr_open_fd(0, 1); | |
716 | chr->chr_close = qemu_chr_close_stdio; | |
717 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); | |
718 | stdio_nb_clients++; | |
719 | term_init(); | |
720 | ||
721 | return chr; | |
722 | } | |
723 | ||
724 | #ifdef __sun__ | |
725 | /* Once Solaris has openpty(), this is going to be removed. */ | |
726 | int openpty(int *amaster, int *aslave, char *name, | |
727 | struct termios *termp, struct winsize *winp) | |
728 | { | |
729 | const char *slave; | |
730 | int mfd = -1, sfd = -1; | |
731 | ||
732 | *amaster = *aslave = -1; | |
733 | ||
734 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
735 | if (mfd < 0) | |
736 | goto err; | |
737 | ||
738 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
739 | goto err; | |
740 | ||
741 | if ((slave = ptsname(mfd)) == NULL) | |
742 | goto err; | |
743 | ||
744 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
745 | goto err; | |
746 | ||
747 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
748 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
749 | goto err; | |
750 | ||
751 | if (amaster) | |
752 | *amaster = mfd; | |
753 | if (aslave) | |
754 | *aslave = sfd; | |
755 | if (winp) | |
756 | ioctl(sfd, TIOCSWINSZ, winp); | |
757 | ||
758 | return 0; | |
759 | ||
760 | err: | |
761 | if (sfd != -1) | |
762 | close(sfd); | |
763 | close(mfd); | |
764 | return -1; | |
765 | } | |
766 | ||
767 | void cfmakeraw (struct termios *termios_p) | |
768 | { | |
769 | termios_p->c_iflag &= | |
770 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
771 | termios_p->c_oflag &= ~OPOST; | |
772 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
773 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
774 | termios_p->c_cflag |= CS8; | |
775 | ||
776 | termios_p->c_cc[VMIN] = 0; | |
777 | termios_p->c_cc[VTIME] = 0; | |
778 | } | |
779 | #endif | |
780 | ||
781 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
782 | || defined(__NetBSD__) || defined(__OpenBSD__) | |
783 | ||
784 | typedef struct { | |
785 | int fd; | |
786 | int connected; | |
787 | int polling; | |
788 | int read_bytes; | |
789 | QEMUTimer *timer; | |
790 | } PtyCharDriver; | |
791 | ||
792 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
793 | static void pty_chr_state(CharDriverState *chr, int connected); | |
794 | ||
795 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
796 | { | |
797 | PtyCharDriver *s = chr->opaque; | |
798 | ||
799 | if (!s->connected) { | |
800 | /* guest sends data, check for (re-)connect */ | |
801 | pty_chr_update_read_handler(chr); | |
802 | return 0; | |
803 | } | |
804 | return send_all(s->fd, buf, len); | |
805 | } | |
806 | ||
807 | static int pty_chr_read_poll(void *opaque) | |
808 | { | |
809 | CharDriverState *chr = opaque; | |
810 | PtyCharDriver *s = chr->opaque; | |
811 | ||
812 | s->read_bytes = qemu_chr_can_read(chr); | |
813 | return s->read_bytes; | |
814 | } | |
815 | ||
816 | static void pty_chr_read(void *opaque) | |
817 | { | |
818 | CharDriverState *chr = opaque; | |
819 | PtyCharDriver *s = chr->opaque; | |
820 | int size, len; | |
821 | uint8_t buf[1024]; | |
822 | ||
823 | len = sizeof(buf); | |
824 | if (len > s->read_bytes) | |
825 | len = s->read_bytes; | |
826 | if (len == 0) | |
827 | return; | |
828 | size = read(s->fd, buf, len); | |
829 | if ((size == -1 && errno == EIO) || | |
830 | (size == 0)) { | |
831 | pty_chr_state(chr, 0); | |
832 | return; | |
833 | } | |
834 | if (size > 0) { | |
835 | pty_chr_state(chr, 1); | |
836 | qemu_chr_read(chr, buf, size); | |
837 | } | |
838 | } | |
839 | ||
840 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
841 | { | |
842 | PtyCharDriver *s = chr->opaque; | |
843 | ||
844 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, | |
845 | pty_chr_read, NULL, chr); | |
846 | s->polling = 1; | |
847 | /* | |
848 | * Short timeout here: just need wait long enougth that qemu makes | |
849 | * it through the poll loop once. When reconnected we want a | |
850 | * short timeout so we notice it almost instantly. Otherwise | |
851 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
852 | * timeout to the normal (much longer) poll interval before the | |
853 | * timer triggers. | |
854 | */ | |
855 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); | |
856 | } | |
857 | ||
858 | static void pty_chr_state(CharDriverState *chr, int connected) | |
859 | { | |
860 | PtyCharDriver *s = chr->opaque; | |
861 | ||
862 | if (!connected) { | |
863 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
864 | s->connected = 0; | |
865 | s->polling = 0; | |
866 | /* (re-)connect poll interval for idle guests: once per second. | |
867 | * We check more frequently in case the guests sends data to | |
868 | * the virtual device linked to our pty. */ | |
869 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); | |
870 | } else { | |
871 | if (!s->connected) | |
872 | qemu_chr_reset(chr); | |
873 | s->connected = 1; | |
874 | } | |
875 | } | |
876 | ||
877 | static void pty_chr_timer(void *opaque) | |
878 | { | |
879 | struct CharDriverState *chr = opaque; | |
880 | PtyCharDriver *s = chr->opaque; | |
881 | ||
882 | if (s->connected) | |
883 | return; | |
884 | if (s->polling) { | |
885 | /* If we arrive here without polling being cleared due | |
886 | * read returning -EIO, then we are (re-)connected */ | |
887 | pty_chr_state(chr, 1); | |
888 | return; | |
889 | } | |
890 | ||
891 | /* Next poll ... */ | |
892 | pty_chr_update_read_handler(chr); | |
893 | } | |
894 | ||
895 | static void pty_chr_close(struct CharDriverState *chr) | |
896 | { | |
897 | PtyCharDriver *s = chr->opaque; | |
898 | ||
899 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
900 | close(s->fd); | |
901 | qemu_free(s); | |
902 | } | |
903 | ||
904 | static CharDriverState *qemu_chr_open_pty(void) | |
905 | { | |
906 | CharDriverState *chr; | |
907 | PtyCharDriver *s; | |
908 | struct termios tty; | |
909 | int slave_fd, len; | |
910 | #if defined(__OpenBSD__) | |
911 | char pty_name[PATH_MAX]; | |
912 | #define q_ptsname(x) pty_name | |
913 | #else | |
914 | char *pty_name = NULL; | |
915 | #define q_ptsname(x) ptsname(x) | |
916 | #endif | |
917 | ||
918 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 919 | s = qemu_mallocz(sizeof(PtyCharDriver)); |
6f97dba0 AL |
920 | |
921 | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { | |
922 | return NULL; | |
923 | } | |
924 | ||
925 | /* Set raw attributes on the pty. */ | |
c3b972c3 | 926 | tcgetattr(slave_fd, &tty); |
6f97dba0 AL |
927 | cfmakeraw(&tty); |
928 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
929 | close(slave_fd); | |
930 | ||
931 | len = strlen(q_ptsname(s->fd)) + 5; | |
932 | chr->filename = qemu_malloc(len); | |
933 | snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd)); | |
934 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); | |
935 | ||
936 | chr->opaque = s; | |
937 | chr->chr_write = pty_chr_write; | |
938 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
939 | chr->chr_close = pty_chr_close; | |
940 | ||
941 | s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); | |
942 | ||
943 | return chr; | |
944 | } | |
945 | ||
946 | static void tty_serial_init(int fd, int speed, | |
947 | int parity, int data_bits, int stop_bits) | |
948 | { | |
949 | struct termios tty; | |
950 | speed_t spd; | |
951 | ||
952 | #if 0 | |
953 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
954 | speed, parity, data_bits, stop_bits); | |
955 | #endif | |
956 | tcgetattr (fd, &tty); | |
957 | ||
958 | #define MARGIN 1.1 | |
959 | if (speed <= 50 * MARGIN) | |
960 | spd = B50; | |
961 | else if (speed <= 75 * MARGIN) | |
962 | spd = B75; | |
963 | else if (speed <= 300 * MARGIN) | |
964 | spd = B300; | |
965 | else if (speed <= 600 * MARGIN) | |
966 | spd = B600; | |
967 | else if (speed <= 1200 * MARGIN) | |
968 | spd = B1200; | |
969 | else if (speed <= 2400 * MARGIN) | |
970 | spd = B2400; | |
971 | else if (speed <= 4800 * MARGIN) | |
972 | spd = B4800; | |
973 | else if (speed <= 9600 * MARGIN) | |
974 | spd = B9600; | |
975 | else if (speed <= 19200 * MARGIN) | |
976 | spd = B19200; | |
977 | else if (speed <= 38400 * MARGIN) | |
978 | spd = B38400; | |
979 | else if (speed <= 57600 * MARGIN) | |
980 | spd = B57600; | |
981 | else if (speed <= 115200 * MARGIN) | |
982 | spd = B115200; | |
983 | else | |
984 | spd = B115200; | |
985 | ||
986 | cfsetispeed(&tty, spd); | |
987 | cfsetospeed(&tty, spd); | |
988 | ||
989 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
990 | |INLCR|IGNCR|ICRNL|IXON); | |
991 | tty.c_oflag |= OPOST; | |
992 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
993 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
994 | switch(data_bits) { | |
995 | default: | |
996 | case 8: | |
997 | tty.c_cflag |= CS8; | |
998 | break; | |
999 | case 7: | |
1000 | tty.c_cflag |= CS7; | |
1001 | break; | |
1002 | case 6: | |
1003 | tty.c_cflag |= CS6; | |
1004 | break; | |
1005 | case 5: | |
1006 | tty.c_cflag |= CS5; | |
1007 | break; | |
1008 | } | |
1009 | switch(parity) { | |
1010 | default: | |
1011 | case 'N': | |
1012 | break; | |
1013 | case 'E': | |
1014 | tty.c_cflag |= PARENB; | |
1015 | break; | |
1016 | case 'O': | |
1017 | tty.c_cflag |= PARENB | PARODD; | |
1018 | break; | |
1019 | } | |
1020 | if (stop_bits == 2) | |
1021 | tty.c_cflag |= CSTOPB; | |
1022 | ||
1023 | tcsetattr (fd, TCSANOW, &tty); | |
1024 | } | |
1025 | ||
1026 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1027 | { | |
1028 | FDCharDriver *s = chr->opaque; | |
1029 | ||
1030 | switch(cmd) { | |
1031 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1032 | { | |
1033 | QEMUSerialSetParams *ssp = arg; | |
1034 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1035 | ssp->data_bits, ssp->stop_bits); | |
1036 | } | |
1037 | break; | |
1038 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1039 | { | |
1040 | int enable = *(int *)arg; | |
1041 | if (enable) | |
1042 | tcsendbreak(s->fd_in, 1); | |
1043 | } | |
1044 | break; | |
1045 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1046 | { | |
1047 | int sarg = 0; | |
1048 | int *targ = (int *)arg; | |
1049 | ioctl(s->fd_in, TIOCMGET, &sarg); | |
1050 | *targ = 0; | |
b4abdfa4 | 1051 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1052 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1053 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1054 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1055 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1056 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1057 | if (sarg & TIOCM_RI) |
6f97dba0 | 1058 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1059 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1060 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1061 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1062 | *targ |= CHR_TIOCM_RTS; |
1063 | } | |
1064 | break; | |
1065 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1066 | { | |
1067 | int sarg = *(int *)arg; | |
1068 | int targ = 0; | |
b4abdfa4 AJ |
1069 | ioctl(s->fd_in, TIOCMGET, &targ); |
1070 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR | |
1071 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1072 | if (sarg & CHR_TIOCM_CTS) | |
1073 | targ |= TIOCM_CTS; | |
1074 | if (sarg & CHR_TIOCM_CAR) | |
1075 | targ |= TIOCM_CAR; | |
1076 | if (sarg & CHR_TIOCM_DSR) | |
1077 | targ |= TIOCM_DSR; | |
1078 | if (sarg & CHR_TIOCM_RI) | |
1079 | targ |= TIOCM_RI; | |
1080 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1081 | targ |= TIOCM_DTR; |
b4abdfa4 | 1082 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 AL |
1083 | targ |= TIOCM_RTS; |
1084 | ioctl(s->fd_in, TIOCMSET, &targ); | |
1085 | } | |
1086 | break; | |
1087 | default: | |
1088 | return -ENOTSUP; | |
1089 | } | |
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | static CharDriverState *qemu_chr_open_tty(const char *filename) | |
1094 | { | |
1095 | CharDriverState *chr; | |
1096 | int fd; | |
1097 | ||
1098 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); | |
1099 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1100 | chr = qemu_chr_open_fd(fd, fd); | |
1101 | if (!chr) { | |
1102 | close(fd); | |
1103 | return NULL; | |
1104 | } | |
1105 | chr->chr_ioctl = tty_serial_ioctl; | |
1106 | qemu_chr_reset(chr); | |
1107 | return chr; | |
1108 | } | |
1109 | #else /* ! __linux__ && ! __sun__ */ | |
1110 | static CharDriverState *qemu_chr_open_pty(void) | |
1111 | { | |
1112 | return NULL; | |
1113 | } | |
1114 | #endif /* __linux__ || __sun__ */ | |
1115 | ||
1116 | #if defined(__linux__) | |
1117 | typedef struct { | |
1118 | int fd; | |
1119 | int mode; | |
1120 | } ParallelCharDriver; | |
1121 | ||
1122 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1123 | { | |
1124 | if (s->mode != mode) { | |
1125 | int m = mode; | |
1126 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1127 | return 0; | |
1128 | s->mode = mode; | |
1129 | } | |
1130 | return 1; | |
1131 | } | |
1132 | ||
1133 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1134 | { | |
1135 | ParallelCharDriver *drv = chr->opaque; | |
1136 | int fd = drv->fd; | |
1137 | uint8_t b; | |
1138 | ||
1139 | switch(cmd) { | |
1140 | case CHR_IOCTL_PP_READ_DATA: | |
1141 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1142 | return -ENOTSUP; | |
1143 | *(uint8_t *)arg = b; | |
1144 | break; | |
1145 | case CHR_IOCTL_PP_WRITE_DATA: | |
1146 | b = *(uint8_t *)arg; | |
1147 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1148 | return -ENOTSUP; | |
1149 | break; | |
1150 | case CHR_IOCTL_PP_READ_CONTROL: | |
1151 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1152 | return -ENOTSUP; | |
1153 | /* Linux gives only the lowest bits, and no way to know data | |
1154 | direction! For better compatibility set the fixed upper | |
1155 | bits. */ | |
1156 | *(uint8_t *)arg = b | 0xc0; | |
1157 | break; | |
1158 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1159 | b = *(uint8_t *)arg; | |
1160 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1161 | return -ENOTSUP; | |
1162 | break; | |
1163 | case CHR_IOCTL_PP_READ_STATUS: | |
1164 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1165 | return -ENOTSUP; | |
1166 | *(uint8_t *)arg = b; | |
1167 | break; | |
1168 | case CHR_IOCTL_PP_DATA_DIR: | |
1169 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1170 | return -ENOTSUP; | |
1171 | break; | |
1172 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1173 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1174 | struct ParallelIOArg *parg = arg; | |
1175 | int n = read(fd, parg->buffer, parg->count); | |
1176 | if (n != parg->count) { | |
1177 | return -EIO; | |
1178 | } | |
1179 | } | |
1180 | break; | |
1181 | case CHR_IOCTL_PP_EPP_READ: | |
1182 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1183 | struct ParallelIOArg *parg = arg; | |
1184 | int n = read(fd, parg->buffer, parg->count); | |
1185 | if (n != parg->count) { | |
1186 | return -EIO; | |
1187 | } | |
1188 | } | |
1189 | break; | |
1190 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1191 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1192 | struct ParallelIOArg *parg = arg; | |
1193 | int n = write(fd, parg->buffer, parg->count); | |
1194 | if (n != parg->count) { | |
1195 | return -EIO; | |
1196 | } | |
1197 | } | |
1198 | break; | |
1199 | case CHR_IOCTL_PP_EPP_WRITE: | |
1200 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1201 | struct ParallelIOArg *parg = arg; | |
1202 | int n = write(fd, parg->buffer, parg->count); | |
1203 | if (n != parg->count) { | |
1204 | return -EIO; | |
1205 | } | |
1206 | } | |
1207 | break; | |
1208 | default: | |
1209 | return -ENOTSUP; | |
1210 | } | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | static void pp_close(CharDriverState *chr) | |
1215 | { | |
1216 | ParallelCharDriver *drv = chr->opaque; | |
1217 | int fd = drv->fd; | |
1218 | ||
1219 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1220 | ioctl(fd, PPRELEASE); | |
1221 | close(fd); | |
1222 | qemu_free(drv); | |
1223 | } | |
1224 | ||
1225 | static CharDriverState *qemu_chr_open_pp(const char *filename) | |
1226 | { | |
1227 | CharDriverState *chr; | |
1228 | ParallelCharDriver *drv; | |
1229 | int fd; | |
1230 | ||
1231 | TFR(fd = open(filename, O_RDWR)); | |
1232 | if (fd < 0) | |
1233 | return NULL; | |
1234 | ||
1235 | if (ioctl(fd, PPCLAIM) < 0) { | |
1236 | close(fd); | |
1237 | return NULL; | |
1238 | } | |
1239 | ||
1240 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
6f97dba0 AL |
1241 | drv->fd = fd; |
1242 | drv->mode = IEEE1284_MODE_COMPAT; | |
1243 | ||
1244 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 AL |
1245 | chr->chr_write = null_chr_write; |
1246 | chr->chr_ioctl = pp_ioctl; | |
1247 | chr->chr_close = pp_close; | |
1248 | chr->opaque = drv; | |
1249 | ||
1250 | qemu_chr_reset(chr); | |
1251 | ||
1252 | return chr; | |
1253 | } | |
1254 | #endif /* __linux__ */ | |
1255 | ||
6972f935 BS |
1256 | #if defined(__FreeBSD__) |
1257 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1258 | { | |
1259 | int fd = (int)chr->opaque; | |
1260 | uint8_t b; | |
1261 | ||
1262 | switch(cmd) { | |
1263 | case CHR_IOCTL_PP_READ_DATA: | |
1264 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1265 | return -ENOTSUP; | |
1266 | *(uint8_t *)arg = b; | |
1267 | break; | |
1268 | case CHR_IOCTL_PP_WRITE_DATA: | |
1269 | b = *(uint8_t *)arg; | |
1270 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1271 | return -ENOTSUP; | |
1272 | break; | |
1273 | case CHR_IOCTL_PP_READ_CONTROL: | |
1274 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1275 | return -ENOTSUP; | |
1276 | *(uint8_t *)arg = b; | |
1277 | break; | |
1278 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1279 | b = *(uint8_t *)arg; | |
1280 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1281 | return -ENOTSUP; | |
1282 | break; | |
1283 | case CHR_IOCTL_PP_READ_STATUS: | |
1284 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1285 | return -ENOTSUP; | |
1286 | *(uint8_t *)arg = b; | |
1287 | break; | |
1288 | default: | |
1289 | return -ENOTSUP; | |
1290 | } | |
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | static CharDriverState *qemu_chr_open_pp(const char *filename) | |
1295 | { | |
1296 | CharDriverState *chr; | |
1297 | int fd; | |
1298 | ||
1299 | fd = open(filename, O_RDWR); | |
1300 | if (fd < 0) | |
1301 | return NULL; | |
1302 | ||
1303 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6972f935 BS |
1304 | chr->opaque = (void *)fd; |
1305 | chr->chr_write = null_chr_write; | |
1306 | chr->chr_ioctl = pp_ioctl; | |
1307 | return chr; | |
1308 | } | |
1309 | #endif | |
1310 | ||
6f97dba0 AL |
1311 | #else /* _WIN32 */ |
1312 | ||
1313 | typedef struct { | |
1314 | int max_size; | |
1315 | HANDLE hcom, hrecv, hsend; | |
1316 | OVERLAPPED orecv, osend; | |
1317 | BOOL fpipe; | |
1318 | DWORD len; | |
1319 | } WinCharState; | |
1320 | ||
1321 | #define NSENDBUF 2048 | |
1322 | #define NRECVBUF 2048 | |
1323 | #define MAXCONNECT 1 | |
1324 | #define NTIMEOUT 5000 | |
1325 | ||
1326 | static int win_chr_poll(void *opaque); | |
1327 | static int win_chr_pipe_poll(void *opaque); | |
1328 | ||
1329 | static void win_chr_close(CharDriverState *chr) | |
1330 | { | |
1331 | WinCharState *s = chr->opaque; | |
1332 | ||
1333 | if (s->hsend) { | |
1334 | CloseHandle(s->hsend); | |
1335 | s->hsend = NULL; | |
1336 | } | |
1337 | if (s->hrecv) { | |
1338 | CloseHandle(s->hrecv); | |
1339 | s->hrecv = NULL; | |
1340 | } | |
1341 | if (s->hcom) { | |
1342 | CloseHandle(s->hcom); | |
1343 | s->hcom = NULL; | |
1344 | } | |
1345 | if (s->fpipe) | |
1346 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1347 | else | |
1348 | qemu_del_polling_cb(win_chr_poll, chr); | |
1349 | } | |
1350 | ||
1351 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1352 | { | |
1353 | WinCharState *s = chr->opaque; | |
1354 | COMMCONFIG comcfg; | |
1355 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1356 | COMSTAT comstat; | |
1357 | DWORD size; | |
1358 | DWORD err; | |
1359 | ||
1360 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1361 | if (!s->hsend) { | |
1362 | fprintf(stderr, "Failed CreateEvent\n"); | |
1363 | goto fail; | |
1364 | } | |
1365 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1366 | if (!s->hrecv) { | |
1367 | fprintf(stderr, "Failed CreateEvent\n"); | |
1368 | goto fail; | |
1369 | } | |
1370 | ||
1371 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1372 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1373 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1374 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1375 | s->hcom = NULL; | |
1376 | goto fail; | |
1377 | } | |
1378 | ||
1379 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1380 | fprintf(stderr, "Failed SetupComm\n"); | |
1381 | goto fail; | |
1382 | } | |
1383 | ||
1384 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1385 | size = sizeof(COMMCONFIG); | |
1386 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1387 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1388 | CommConfigDialog(filename, NULL, &comcfg); | |
1389 | ||
1390 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1391 | fprintf(stderr, "Failed SetCommState\n"); | |
1392 | goto fail; | |
1393 | } | |
1394 | ||
1395 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1396 | fprintf(stderr, "Failed SetCommMask\n"); | |
1397 | goto fail; | |
1398 | } | |
1399 | ||
1400 | cto.ReadIntervalTimeout = MAXDWORD; | |
1401 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1402 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1403 | goto fail; | |
1404 | } | |
1405 | ||
1406 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1407 | fprintf(stderr, "Failed ClearCommError\n"); | |
1408 | goto fail; | |
1409 | } | |
1410 | qemu_add_polling_cb(win_chr_poll, chr); | |
1411 | return 0; | |
1412 | ||
1413 | fail: | |
1414 | win_chr_close(chr); | |
1415 | return -1; | |
1416 | } | |
1417 | ||
1418 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1419 | { | |
1420 | WinCharState *s = chr->opaque; | |
1421 | DWORD len, ret, size, err; | |
1422 | ||
1423 | len = len1; | |
1424 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1425 | s->osend.hEvent = s->hsend; | |
1426 | while (len > 0) { | |
1427 | if (s->hsend) | |
1428 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1429 | else | |
1430 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1431 | if (!ret) { | |
1432 | err = GetLastError(); | |
1433 | if (err == ERROR_IO_PENDING) { | |
1434 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1435 | if (ret) { | |
1436 | buf += size; | |
1437 | len -= size; | |
1438 | } else { | |
1439 | break; | |
1440 | } | |
1441 | } else { | |
1442 | break; | |
1443 | } | |
1444 | } else { | |
1445 | buf += size; | |
1446 | len -= size; | |
1447 | } | |
1448 | } | |
1449 | return len1 - len; | |
1450 | } | |
1451 | ||
1452 | static int win_chr_read_poll(CharDriverState *chr) | |
1453 | { | |
1454 | WinCharState *s = chr->opaque; | |
1455 | ||
1456 | s->max_size = qemu_chr_can_read(chr); | |
1457 | return s->max_size; | |
1458 | } | |
1459 | ||
1460 | static void win_chr_readfile(CharDriverState *chr) | |
1461 | { | |
1462 | WinCharState *s = chr->opaque; | |
1463 | int ret, err; | |
1464 | uint8_t buf[1024]; | |
1465 | DWORD size; | |
1466 | ||
1467 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1468 | s->orecv.hEvent = s->hrecv; | |
1469 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1470 | if (!ret) { | |
1471 | err = GetLastError(); | |
1472 | if (err == ERROR_IO_PENDING) { | |
1473 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | if (size > 0) { | |
1478 | qemu_chr_read(chr, buf, size); | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | static void win_chr_read(CharDriverState *chr) | |
1483 | { | |
1484 | WinCharState *s = chr->opaque; | |
1485 | ||
1486 | if (s->len > s->max_size) | |
1487 | s->len = s->max_size; | |
1488 | if (s->len == 0) | |
1489 | return; | |
1490 | ||
1491 | win_chr_readfile(chr); | |
1492 | } | |
1493 | ||
1494 | static int win_chr_poll(void *opaque) | |
1495 | { | |
1496 | CharDriverState *chr = opaque; | |
1497 | WinCharState *s = chr->opaque; | |
1498 | COMSTAT status; | |
1499 | DWORD comerr; | |
1500 | ||
1501 | ClearCommError(s->hcom, &comerr, &status); | |
1502 | if (status.cbInQue > 0) { | |
1503 | s->len = status.cbInQue; | |
1504 | win_chr_read_poll(chr); | |
1505 | win_chr_read(chr); | |
1506 | return 1; | |
1507 | } | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static CharDriverState *qemu_chr_open_win(const char *filename) | |
1512 | { | |
1513 | CharDriverState *chr; | |
1514 | WinCharState *s; | |
1515 | ||
1516 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1517 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1518 | chr->opaque = s; |
1519 | chr->chr_write = win_chr_write; | |
1520 | chr->chr_close = win_chr_close; | |
1521 | ||
1522 | if (win_chr_init(chr, filename) < 0) { | |
1523 | free(s); | |
1524 | free(chr); | |
1525 | return NULL; | |
1526 | } | |
1527 | qemu_chr_reset(chr); | |
1528 | return chr; | |
1529 | } | |
1530 | ||
1531 | static int win_chr_pipe_poll(void *opaque) | |
1532 | { | |
1533 | CharDriverState *chr = opaque; | |
1534 | WinCharState *s = chr->opaque; | |
1535 | DWORD size; | |
1536 | ||
1537 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1538 | if (size > 0) { | |
1539 | s->len = size; | |
1540 | win_chr_read_poll(chr); | |
1541 | win_chr_read(chr); | |
1542 | return 1; | |
1543 | } | |
1544 | return 0; | |
1545 | } | |
1546 | ||
1547 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1548 | { | |
1549 | WinCharState *s = chr->opaque; | |
1550 | OVERLAPPED ov; | |
1551 | int ret; | |
1552 | DWORD size; | |
1553 | char openname[256]; | |
1554 | ||
1555 | s->fpipe = TRUE; | |
1556 | ||
1557 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1558 | if (!s->hsend) { | |
1559 | fprintf(stderr, "Failed CreateEvent\n"); | |
1560 | goto fail; | |
1561 | } | |
1562 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1563 | if (!s->hrecv) { | |
1564 | fprintf(stderr, "Failed CreateEvent\n"); | |
1565 | goto fail; | |
1566 | } | |
1567 | ||
1568 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1569 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1570 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1571 | PIPE_WAIT, | |
1572 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1573 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1574 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1575 | s->hcom = NULL; | |
1576 | goto fail; | |
1577 | } | |
1578 | ||
1579 | ZeroMemory(&ov, sizeof(ov)); | |
1580 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1581 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1582 | if (ret) { | |
1583 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1584 | goto fail; | |
1585 | } | |
1586 | ||
1587 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1588 | if (!ret) { | |
1589 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1590 | if (ov.hEvent) { | |
1591 | CloseHandle(ov.hEvent); | |
1592 | ov.hEvent = NULL; | |
1593 | } | |
1594 | goto fail; | |
1595 | } | |
1596 | ||
1597 | if (ov.hEvent) { | |
1598 | CloseHandle(ov.hEvent); | |
1599 | ov.hEvent = NULL; | |
1600 | } | |
1601 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1602 | return 0; | |
1603 | ||
1604 | fail: | |
1605 | win_chr_close(chr); | |
1606 | return -1; | |
1607 | } | |
1608 | ||
1609 | ||
1610 | static CharDriverState *qemu_chr_open_win_pipe(const char *filename) | |
1611 | { | |
1612 | CharDriverState *chr; | |
1613 | WinCharState *s; | |
1614 | ||
1615 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1616 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1617 | chr->opaque = s; |
1618 | chr->chr_write = win_chr_write; | |
1619 | chr->chr_close = win_chr_close; | |
1620 | ||
1621 | if (win_chr_pipe_init(chr, filename) < 0) { | |
1622 | free(s); | |
1623 | free(chr); | |
1624 | return NULL; | |
1625 | } | |
1626 | qemu_chr_reset(chr); | |
1627 | return chr; | |
1628 | } | |
1629 | ||
1630 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
1631 | { | |
1632 | CharDriverState *chr; | |
1633 | WinCharState *s; | |
1634 | ||
1635 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1636 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1637 | s->hcom = fd_out; |
1638 | chr->opaque = s; | |
1639 | chr->chr_write = win_chr_write; | |
1640 | qemu_chr_reset(chr); | |
1641 | return chr; | |
1642 | } | |
1643 | ||
1644 | static CharDriverState *qemu_chr_open_win_con(const char *filename) | |
1645 | { | |
1646 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); | |
1647 | } | |
1648 | ||
1649 | static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) | |
1650 | { | |
1651 | HANDLE fd_out; | |
1652 | ||
1653 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
1654 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
1655 | if (fd_out == INVALID_HANDLE_VALUE) | |
1656 | return NULL; | |
1657 | ||
1658 | return qemu_chr_open_win_file(fd_out); | |
1659 | } | |
1660 | #endif /* !_WIN32 */ | |
1661 | ||
1662 | /***********************************************************/ | |
1663 | /* UDP Net console */ | |
1664 | ||
1665 | typedef struct { | |
1666 | int fd; | |
1667 | struct sockaddr_in daddr; | |
1668 | uint8_t buf[1024]; | |
1669 | int bufcnt; | |
1670 | int bufptr; | |
1671 | int max_size; | |
1672 | } NetCharDriver; | |
1673 | ||
1674 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1675 | { | |
1676 | NetCharDriver *s = chr->opaque; | |
1677 | ||
1678 | return sendto(s->fd, buf, len, 0, | |
1679 | (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); | |
1680 | } | |
1681 | ||
1682 | static int udp_chr_read_poll(void *opaque) | |
1683 | { | |
1684 | CharDriverState *chr = opaque; | |
1685 | NetCharDriver *s = chr->opaque; | |
1686 | ||
1687 | s->max_size = qemu_chr_can_read(chr); | |
1688 | ||
1689 | /* If there were any stray characters in the queue process them | |
1690 | * first | |
1691 | */ | |
1692 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1693 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1694 | s->bufptr++; | |
1695 | s->max_size = qemu_chr_can_read(chr); | |
1696 | } | |
1697 | return s->max_size; | |
1698 | } | |
1699 | ||
1700 | static void udp_chr_read(void *opaque) | |
1701 | { | |
1702 | CharDriverState *chr = opaque; | |
1703 | NetCharDriver *s = chr->opaque; | |
1704 | ||
1705 | if (s->max_size == 0) | |
1706 | return; | |
1707 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
1708 | s->bufptr = s->bufcnt; | |
1709 | if (s->bufcnt <= 0) | |
1710 | return; | |
1711 | ||
1712 | s->bufptr = 0; | |
1713 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1714 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1715 | s->bufptr++; | |
1716 | s->max_size = qemu_chr_can_read(chr); | |
1717 | } | |
1718 | } | |
1719 | ||
1720 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
1721 | { | |
1722 | NetCharDriver *s = chr->opaque; | |
1723 | ||
1724 | if (s->fd >= 0) { | |
1725 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
1726 | udp_chr_read, NULL, chr); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | static CharDriverState *qemu_chr_open_udp(const char *def) | |
1731 | { | |
1732 | CharDriverState *chr = NULL; | |
1733 | NetCharDriver *s = NULL; | |
1734 | int fd = -1; | |
1735 | struct sockaddr_in saddr; | |
1736 | ||
1737 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1738 | s = qemu_mallocz(sizeof(NetCharDriver)); |
6f97dba0 AL |
1739 | |
1740 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1741 | if (fd < 0) { | |
1742 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
1743 | goto return_err; | |
1744 | } | |
1745 | ||
1746 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { | |
1747 | printf("Could not parse: %s\n", def); | |
1748 | goto return_err; | |
1749 | } | |
1750 | ||
1751 | if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) | |
1752 | { | |
1753 | perror("bind"); | |
1754 | goto return_err; | |
1755 | } | |
1756 | ||
1757 | s->fd = fd; | |
1758 | s->bufcnt = 0; | |
1759 | s->bufptr = 0; | |
1760 | chr->opaque = s; | |
1761 | chr->chr_write = udp_chr_write; | |
1762 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
1763 | return chr; | |
1764 | ||
1765 | return_err: | |
1766 | if (chr) | |
1767 | free(chr); | |
1768 | if (s) | |
1769 | free(s); | |
1770 | if (fd >= 0) | |
1771 | closesocket(fd); | |
1772 | return NULL; | |
1773 | } | |
1774 | ||
1775 | /***********************************************************/ | |
1776 | /* TCP Net console */ | |
1777 | ||
1778 | typedef struct { | |
1779 | int fd, listen_fd; | |
1780 | int connected; | |
1781 | int max_size; | |
1782 | int do_telnetopt; | |
1783 | int do_nodelay; | |
1784 | int is_unix; | |
1785 | } TCPCharDriver; | |
1786 | ||
1787 | static void tcp_chr_accept(void *opaque); | |
1788 | ||
1789 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1790 | { | |
1791 | TCPCharDriver *s = chr->opaque; | |
1792 | if (s->connected) { | |
1793 | return send_all(s->fd, buf, len); | |
1794 | } else { | |
1795 | /* XXX: indicate an error ? */ | |
1796 | return len; | |
1797 | } | |
1798 | } | |
1799 | ||
1800 | static int tcp_chr_read_poll(void *opaque) | |
1801 | { | |
1802 | CharDriverState *chr = opaque; | |
1803 | TCPCharDriver *s = chr->opaque; | |
1804 | if (!s->connected) | |
1805 | return 0; | |
1806 | s->max_size = qemu_chr_can_read(chr); | |
1807 | return s->max_size; | |
1808 | } | |
1809 | ||
1810 | #define IAC 255 | |
1811 | #define IAC_BREAK 243 | |
1812 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
1813 | TCPCharDriver *s, | |
1814 | uint8_t *buf, int *size) | |
1815 | { | |
1816 | /* Handle any telnet client's basic IAC options to satisfy char by | |
1817 | * char mode with no echo. All IAC options will be removed from | |
1818 | * the buf and the do_telnetopt variable will be used to track the | |
1819 | * state of the width of the IAC information. | |
1820 | * | |
1821 | * IAC commands come in sets of 3 bytes with the exception of the | |
1822 | * "IAC BREAK" command and the double IAC. | |
1823 | */ | |
1824 | ||
1825 | int i; | |
1826 | int j = 0; | |
1827 | ||
1828 | for (i = 0; i < *size; i++) { | |
1829 | if (s->do_telnetopt > 1) { | |
1830 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
1831 | /* Double IAC means send an IAC */ | |
1832 | if (j != i) | |
1833 | buf[j] = buf[i]; | |
1834 | j++; | |
1835 | s->do_telnetopt = 1; | |
1836 | } else { | |
1837 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
1838 | /* Handle IAC break commands by sending a serial break */ | |
1839 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
1840 | s->do_telnetopt++; | |
1841 | } | |
1842 | s->do_telnetopt++; | |
1843 | } | |
1844 | if (s->do_telnetopt >= 4) { | |
1845 | s->do_telnetopt = 1; | |
1846 | } | |
1847 | } else { | |
1848 | if ((unsigned char)buf[i] == IAC) { | |
1849 | s->do_telnetopt = 2; | |
1850 | } else { | |
1851 | if (j != i) | |
1852 | buf[j] = buf[i]; | |
1853 | j++; | |
1854 | } | |
1855 | } | |
1856 | } | |
1857 | *size = j; | |
1858 | } | |
1859 | ||
1860 | static void tcp_chr_read(void *opaque) | |
1861 | { | |
1862 | CharDriverState *chr = opaque; | |
1863 | TCPCharDriver *s = chr->opaque; | |
1864 | uint8_t buf[1024]; | |
1865 | int len, size; | |
1866 | ||
1867 | if (!s->connected || s->max_size <= 0) | |
1868 | return; | |
1869 | len = sizeof(buf); | |
1870 | if (len > s->max_size) | |
1871 | len = s->max_size; | |
1872 | size = recv(s->fd, buf, len, 0); | |
1873 | if (size == 0) { | |
1874 | /* connection closed */ | |
1875 | s->connected = 0; | |
1876 | if (s->listen_fd >= 0) { | |
1877 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
1878 | } | |
1879 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1880 | closesocket(s->fd); | |
1881 | s->fd = -1; | |
1882 | } else if (size > 0) { | |
1883 | if (s->do_telnetopt) | |
1884 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
1885 | if (size > 0) | |
1886 | qemu_chr_read(chr, buf, size); | |
1887 | } | |
1888 | } | |
1889 | ||
1890 | static void tcp_chr_connect(void *opaque) | |
1891 | { | |
1892 | CharDriverState *chr = opaque; | |
1893 | TCPCharDriver *s = chr->opaque; | |
1894 | ||
1895 | s->connected = 1; | |
1896 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
1897 | tcp_chr_read, NULL, chr); | |
1898 | qemu_chr_reset(chr); | |
1899 | } | |
1900 | ||
1901 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
1902 | static void tcp_chr_telnet_init(int fd) | |
1903 | { | |
1904 | char buf[3]; | |
1905 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
1906 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
1907 | send(fd, (char *)buf, 3, 0); | |
1908 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
1909 | send(fd, (char *)buf, 3, 0); | |
1910 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
1911 | send(fd, (char *)buf, 3, 0); | |
1912 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
1913 | send(fd, (char *)buf, 3, 0); | |
1914 | } | |
1915 | ||
1916 | static void socket_set_nodelay(int fd) | |
1917 | { | |
1918 | int val = 1; | |
1919 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
1920 | } | |
1921 | ||
1922 | static void tcp_chr_accept(void *opaque) | |
1923 | { | |
1924 | CharDriverState *chr = opaque; | |
1925 | TCPCharDriver *s = chr->opaque; | |
1926 | struct sockaddr_in saddr; | |
1927 | #ifndef _WIN32 | |
1928 | struct sockaddr_un uaddr; | |
1929 | #endif | |
1930 | struct sockaddr *addr; | |
1931 | socklen_t len; | |
1932 | int fd; | |
1933 | ||
1934 | for(;;) { | |
1935 | #ifndef _WIN32 | |
1936 | if (s->is_unix) { | |
1937 | len = sizeof(uaddr); | |
1938 | addr = (struct sockaddr *)&uaddr; | |
1939 | } else | |
1940 | #endif | |
1941 | { | |
1942 | len = sizeof(saddr); | |
1943 | addr = (struct sockaddr *)&saddr; | |
1944 | } | |
1945 | fd = accept(s->listen_fd, addr, &len); | |
1946 | if (fd < 0 && errno != EINTR) { | |
1947 | return; | |
1948 | } else if (fd >= 0) { | |
1949 | if (s->do_telnetopt) | |
1950 | tcp_chr_telnet_init(fd); | |
1951 | break; | |
1952 | } | |
1953 | } | |
1954 | socket_set_nonblock(fd); | |
1955 | if (s->do_nodelay) | |
1956 | socket_set_nodelay(fd); | |
1957 | s->fd = fd; | |
1958 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
1959 | tcp_chr_connect(chr); | |
1960 | } | |
1961 | ||
1962 | static void tcp_chr_close(CharDriverState *chr) | |
1963 | { | |
1964 | TCPCharDriver *s = chr->opaque; | |
1965 | if (s->fd >= 0) | |
1966 | closesocket(s->fd); | |
1967 | if (s->listen_fd >= 0) | |
1968 | closesocket(s->listen_fd); | |
1969 | qemu_free(s); | |
1970 | } | |
1971 | ||
1972 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, | |
1973 | int is_telnet, | |
1974 | int is_unix) | |
1975 | { | |
1976 | CharDriverState *chr = NULL; | |
1977 | TCPCharDriver *s = NULL; | |
f07b6003 | 1978 | int fd = -1, offset = 0; |
6f97dba0 AL |
1979 | int is_listen = 0; |
1980 | int is_waitconnect = 1; | |
1981 | int do_nodelay = 0; | |
1982 | const char *ptr; | |
6f97dba0 AL |
1983 | |
1984 | ptr = host_str; | |
1985 | while((ptr = strchr(ptr,','))) { | |
1986 | ptr++; | |
1987 | if (!strncmp(ptr,"server",6)) { | |
1988 | is_listen = 1; | |
1989 | } else if (!strncmp(ptr,"nowait",6)) { | |
1990 | is_waitconnect = 0; | |
1991 | } else if (!strncmp(ptr,"nodelay",6)) { | |
1992 | do_nodelay = 1; | |
f07b6003 AL |
1993 | } else if (!strncmp(ptr,"to=",3)) { |
1994 | /* nothing, inet_listen() parses this one */; | |
84694dd2 AJ |
1995 | } else if (!strncmp(ptr,"ipv4",4)) { |
1996 | /* nothing, inet_connect() and inet_listen() parse this one */; | |
1997 | } else if (!strncmp(ptr,"ipv6",4)) { | |
1998 | /* nothing, inet_connect() and inet_listen() parse this one */; | |
6f97dba0 AL |
1999 | } else { |
2000 | printf("Unknown option: %s\n", ptr); | |
2001 | goto fail; | |
2002 | } | |
2003 | } | |
2004 | if (!is_listen) | |
2005 | is_waitconnect = 0; | |
2006 | ||
2007 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 2008 | s = qemu_mallocz(sizeof(TCPCharDriver)); |
6f97dba0 | 2009 | |
f07b6003 AL |
2010 | if (is_listen) { |
2011 | chr->filename = qemu_malloc(256); | |
2012 | if (is_unix) { | |
00766a4e | 2013 | pstrcpy(chr->filename, 256, "unix:"); |
f07b6003 | 2014 | } else if (is_telnet) { |
00766a4e | 2015 | pstrcpy(chr->filename, 256, "telnet:"); |
f07b6003 | 2016 | } else { |
00766a4e | 2017 | pstrcpy(chr->filename, 256, "tcp:"); |
f07b6003 AL |
2018 | } |
2019 | offset = strlen(chr->filename); | |
2020 | } | |
2021 | if (is_unix) { | |
2022 | if (is_listen) { | |
2023 | fd = unix_listen(host_str, chr->filename + offset, 256 - offset); | |
2024 | } else { | |
2025 | fd = unix_connect(host_str); | |
2026 | } | |
2027 | } else { | |
2028 | if (is_listen) { | |
2029 | fd = inet_listen(host_str, chr->filename + offset, 256 - offset, | |
2030 | SOCK_STREAM, 0); | |
2031 | } else { | |
2032 | fd = inet_connect(host_str, SOCK_STREAM); | |
2033 | } | |
2034 | } | |
6f97dba0 AL |
2035 | if (fd < 0) |
2036 | goto fail; | |
2037 | ||
2038 | if (!is_waitconnect) | |
2039 | socket_set_nonblock(fd); | |
2040 | ||
2041 | s->connected = 0; | |
2042 | s->fd = -1; | |
2043 | s->listen_fd = -1; | |
2044 | s->is_unix = is_unix; | |
2045 | s->do_nodelay = do_nodelay && !is_unix; | |
2046 | ||
2047 | chr->opaque = s; | |
2048 | chr->chr_write = tcp_chr_write; | |
2049 | chr->chr_close = tcp_chr_close; | |
2050 | ||
2051 | if (is_listen) { | |
6f97dba0 AL |
2052 | s->listen_fd = fd; |
2053 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2054 | if (is_telnet) | |
2055 | s->do_telnetopt = 1; | |
2056 | } else { | |
f07b6003 | 2057 | s->connected = 1; |
6f97dba0 AL |
2058 | s->fd = fd; |
2059 | socket_set_nodelay(fd); | |
f07b6003 | 2060 | tcp_chr_connect(chr); |
6f97dba0 AL |
2061 | } |
2062 | ||
2063 | if (is_listen && is_waitconnect) { | |
f07b6003 AL |
2064 | printf("QEMU waiting for connection on: %s\n", |
2065 | chr->filename ? chr->filename : host_str); | |
6f97dba0 AL |
2066 | tcp_chr_accept(chr); |
2067 | socket_set_nonblock(s->listen_fd); | |
2068 | } | |
2069 | ||
2070 | return chr; | |
2071 | fail: | |
2072 | if (fd >= 0) | |
2073 | closesocket(fd); | |
2074 | qemu_free(s); | |
2075 | qemu_free(chr); | |
2076 | return NULL; | |
2077 | } | |
2078 | ||
2079 | static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs | |
2080 | = TAILQ_HEAD_INITIALIZER(chardevs); | |
2081 | ||
ceecf1d1 | 2082 | CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
2083 | { |
2084 | const char *p; | |
2085 | CharDriverState *chr; | |
2086 | ||
2087 | if (!strcmp(filename, "vc")) { | |
2796dae0 | 2088 | chr = text_console_init(0); |
6f97dba0 AL |
2089 | } else |
2090 | if (strstart(filename, "vc:", &p)) { | |
2796dae0 | 2091 | chr = text_console_init(p); |
6f97dba0 AL |
2092 | } else |
2093 | if (!strcmp(filename, "null")) { | |
2094 | chr = qemu_chr_open_null(); | |
2095 | } else | |
2096 | if (strstart(filename, "tcp:", &p)) { | |
2097 | chr = qemu_chr_open_tcp(p, 0, 0); | |
2098 | } else | |
2099 | if (strstart(filename, "telnet:", &p)) { | |
2100 | chr = qemu_chr_open_tcp(p, 1, 0); | |
2101 | } else | |
2102 | if (strstart(filename, "udp:", &p)) { | |
2103 | chr = qemu_chr_open_udp(p); | |
2104 | } else | |
2105 | if (strstart(filename, "mon:", &p)) { | |
ceecf1d1 | 2106 | chr = qemu_chr_open(label, p, NULL); |
6f97dba0 AL |
2107 | if (chr) { |
2108 | chr = qemu_chr_open_mux(chr); | |
2109 | monitor_init(chr, !nographic); | |
2110 | } else { | |
2111 | printf("Unable to open driver: %s\n", p); | |
2112 | } | |
aa71cf80 AJ |
2113 | } else if (!strcmp(filename, "msmouse")) { |
2114 | chr = qemu_chr_open_msmouse(); | |
6f97dba0 AL |
2115 | } else |
2116 | #ifndef _WIN32 | |
2117 | if (strstart(filename, "unix:", &p)) { | |
2118 | chr = qemu_chr_open_tcp(p, 0, 1); | |
2119 | } else if (strstart(filename, "file:", &p)) { | |
2120 | chr = qemu_chr_open_file_out(p); | |
2121 | } else if (strstart(filename, "pipe:", &p)) { | |
2122 | chr = qemu_chr_open_pipe(p); | |
2123 | } else if (!strcmp(filename, "pty")) { | |
2124 | chr = qemu_chr_open_pty(); | |
2125 | } else if (!strcmp(filename, "stdio")) { | |
2126 | chr = qemu_chr_open_stdio(); | |
2127 | } else | |
2128 | #if defined(__linux__) | |
2129 | if (strstart(filename, "/dev/parport", NULL)) { | |
2130 | chr = qemu_chr_open_pp(filename); | |
2131 | } else | |
6972f935 BS |
2132 | #elif defined(__FreeBSD__) |
2133 | if (strstart(filename, "/dev/ppi", NULL)) { | |
2134 | chr = qemu_chr_open_pp(filename); | |
2135 | } else | |
6f97dba0 AL |
2136 | #endif |
2137 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
2138 | || defined(__NetBSD__) || defined(__OpenBSD__) | |
2139 | if (strstart(filename, "/dev/", NULL)) { | |
2140 | chr = qemu_chr_open_tty(filename); | |
2141 | } else | |
2142 | #endif | |
2143 | #else /* !_WIN32 */ | |
2144 | if (strstart(filename, "COM", NULL)) { | |
2145 | chr = qemu_chr_open_win(filename); | |
2146 | } else | |
2147 | if (strstart(filename, "pipe:", &p)) { | |
2148 | chr = qemu_chr_open_win_pipe(p); | |
2149 | } else | |
2150 | if (strstart(filename, "con:", NULL)) { | |
2151 | chr = qemu_chr_open_win_con(filename); | |
2152 | } else | |
2153 | if (strstart(filename, "file:", &p)) { | |
2154 | chr = qemu_chr_open_win_file_out(p); | |
2155 | } else | |
2156 | #endif | |
2157 | #ifdef CONFIG_BRLAPI | |
2158 | if (!strcmp(filename, "braille")) { | |
2159 | chr = chr_baum_init(); | |
2160 | } else | |
2161 | #endif | |
2162 | { | |
2163 | chr = NULL; | |
2164 | } | |
2165 | ||
2166 | if (chr) { | |
2167 | if (!chr->filename) | |
2168 | chr->filename = qemu_strdup(filename); | |
ceecf1d1 | 2169 | chr->init = init; |
6f97dba0 AL |
2170 | chr->label = qemu_strdup(label); |
2171 | TAILQ_INSERT_TAIL(&chardevs, chr, next); | |
2172 | } | |
2173 | return chr; | |
2174 | } | |
2175 | ||
2176 | void qemu_chr_close(CharDriverState *chr) | |
2177 | { | |
2178 | TAILQ_REMOVE(&chardevs, chr, next); | |
2179 | if (chr->chr_close) | |
2180 | chr->chr_close(chr); | |
2181 | qemu_free(chr->filename); | |
2182 | qemu_free(chr->label); | |
2183 | qemu_free(chr); | |
2184 | } | |
2185 | ||
2186 | void qemu_chr_info(void) | |
2187 | { | |
2188 | CharDriverState *chr; | |
2189 | ||
2190 | TAILQ_FOREACH(chr, &chardevs, next) { | |
2191 | term_printf("%s: filename=%s\n", chr->label, chr->filename); | |
2192 | } | |
2193 | } |