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d24ca4b8 MAL |
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/osdep.h" | |
8228e353 | 25 | #include "chardev/char.h" |
d24ca4b8 MAL |
26 | #include "io/channel-socket.h" |
27 | #include "io/channel-tls.h" | |
28 | #include "qemu/error-report.h" | |
29 | #include "qapi/error.h" | |
30 | #include "qapi/clone-visitor.h" | |
31 | ||
8228e353 | 32 | #include "chardev/char-io.h" |
d24ca4b8 MAL |
33 | |
34 | /***********************************************************/ | |
35 | /* TCP Net console */ | |
36 | ||
37 | #define TCP_MAX_FDS 16 | |
38 | ||
39 | typedef struct { | |
40 | Chardev parent; | |
41 | QIOChannel *ioc; /* Client I/O channel */ | |
42 | QIOChannelSocket *sioc; /* Client master channel */ | |
43 | QIOChannelSocket *listen_ioc; | |
44 | guint listen_tag; | |
45 | QCryptoTLSCreds *tls_creds; | |
46 | int connected; | |
47 | int max_size; | |
48 | int do_telnetopt; | |
49 | int do_nodelay; | |
d24ca4b8 MAL |
50 | int *read_msgfds; |
51 | size_t read_msgfds_num; | |
52 | int *write_msgfds; | |
53 | size_t write_msgfds_num; | |
54 | ||
55 | SocketAddress *addr; | |
56 | bool is_listen; | |
57 | bool is_telnet; | |
ae92cbd5 | 58 | bool is_tn3270; |
d24ca4b8 MAL |
59 | |
60 | guint reconnect_timer; | |
61 | int64_t reconnect_time; | |
62 | bool connect_err_reported; | |
63 | } SocketChardev; | |
64 | ||
65 | #define SOCKET_CHARDEV(obj) \ | |
66 | OBJECT_CHECK(SocketChardev, (obj), TYPE_CHARDEV_SOCKET) | |
67 | ||
68 | static gboolean socket_reconnect_timeout(gpointer opaque); | |
69 | ||
70 | static void qemu_chr_socket_restart_timer(Chardev *chr) | |
71 | { | |
72 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
73 | char *name; | |
74 | ||
75 | assert(s->connected == 0); | |
76 | s->reconnect_timer = g_timeout_add_seconds(s->reconnect_time, | |
77 | socket_reconnect_timeout, chr); | |
78 | name = g_strdup_printf("chardev-socket-reconnect-%s", chr->label); | |
79 | g_source_set_name_by_id(s->reconnect_timer, name); | |
80 | g_free(name); | |
81 | } | |
82 | ||
83 | static void check_report_connect_error(Chardev *chr, | |
84 | Error *err) | |
85 | { | |
86 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
87 | ||
88 | if (!s->connect_err_reported) { | |
89 | error_report("Unable to connect character device %s: %s", | |
90 | chr->label, error_get_pretty(err)); | |
91 | s->connect_err_reported = true; | |
92 | } | |
93 | qemu_chr_socket_restart_timer(chr); | |
94 | } | |
95 | ||
96 | static gboolean tcp_chr_accept(QIOChannel *chan, | |
97 | GIOCondition cond, | |
98 | void *opaque); | |
99 | ||
b0a335e3 AN |
100 | static int tcp_chr_read_poll(void *opaque); |
101 | static void tcp_chr_disconnect(Chardev *chr); | |
102 | ||
d24ca4b8 MAL |
103 | /* Called with chr_write_lock held. */ |
104 | static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len) | |
105 | { | |
106 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
107 | ||
108 | if (s->connected) { | |
109 | int ret = io_channel_send_full(s->ioc, buf, len, | |
110 | s->write_msgfds, | |
111 | s->write_msgfds_num); | |
112 | ||
113 | /* free the written msgfds, no matter what */ | |
114 | if (s->write_msgfds_num) { | |
115 | g_free(s->write_msgfds); | |
116 | s->write_msgfds = 0; | |
117 | s->write_msgfds_num = 0; | |
118 | } | |
119 | ||
b0a335e3 AN |
120 | if (ret < 0 && errno != EAGAIN) { |
121 | if (tcp_chr_read_poll(chr) <= 0) { | |
122 | tcp_chr_disconnect(chr); | |
123 | return len; | |
124 | } /* else let the read handler finish it properly */ | |
125 | } | |
126 | ||
d24ca4b8 MAL |
127 | return ret; |
128 | } else { | |
129 | /* XXX: indicate an error ? */ | |
130 | return len; | |
131 | } | |
132 | } | |
133 | ||
134 | static int tcp_chr_read_poll(void *opaque) | |
135 | { | |
136 | Chardev *chr = CHARDEV(opaque); | |
137 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
138 | if (!s->connected) { | |
139 | return 0; | |
140 | } | |
141 | s->max_size = qemu_chr_be_can_write(chr); | |
142 | return s->max_size; | |
143 | } | |
144 | ||
d24ca4b8 MAL |
145 | static void tcp_chr_process_IAC_bytes(Chardev *chr, |
146 | SocketChardev *s, | |
147 | uint8_t *buf, int *size) | |
148 | { | |
ae92cbd5 JL |
149 | /* Handle any telnet or tn3270 client's basic IAC options. |
150 | * For telnet options, it satisfies char by char mode with no echo. | |
151 | * For tn3270 options, it satisfies binary mode with EOR. | |
152 | * All IAC options will be removed from the buf and the do_opt | |
153 | * pointer will be used to track the state of the width of the | |
154 | * IAC information. | |
d24ca4b8 | 155 | * |
ae92cbd5 JL |
156 | * RFC854: "All TELNET commands consist of at least a two byte sequence. |
157 | * The commands dealing with option negotiation are three byte sequences, | |
158 | * the third byte being the code for the option referenced." | |
159 | * "IAC BREAK", "IAC IP", "IAC NOP" and the double IAC are two bytes. | |
160 | * "IAC SB", "IAC SE" and "IAC EOR" are saved to split up data boundary | |
161 | * for tn3270. | |
162 | * NOP, Break and Interrupt Process(IP) might be encountered during a TN3270 | |
163 | * session, and NOP and IP need to be done later. | |
d24ca4b8 MAL |
164 | */ |
165 | ||
166 | int i; | |
167 | int j = 0; | |
168 | ||
169 | for (i = 0; i < *size; i++) { | |
170 | if (s->do_telnetopt > 1) { | |
171 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
172 | /* Double IAC means send an IAC */ | |
173 | if (j != i) { | |
174 | buf[j] = buf[i]; | |
175 | } | |
176 | j++; | |
177 | s->do_telnetopt = 1; | |
178 | } else { | |
179 | if ((unsigned char)buf[i] == IAC_BREAK | |
180 | && s->do_telnetopt == 2) { | |
181 | /* Handle IAC break commands by sending a serial break */ | |
182 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); | |
183 | s->do_telnetopt++; | |
ae92cbd5 JL |
184 | } else if (s->is_tn3270 && ((unsigned char)buf[i] == IAC_EOR |
185 | || (unsigned char)buf[i] == IAC_SB | |
186 | || (unsigned char)buf[i] == IAC_SE) | |
187 | && s->do_telnetopt == 2) { | |
188 | buf[j++] = IAC; | |
189 | buf[j++] = buf[i]; | |
190 | s->do_telnetopt++; | |
191 | } else if (s->is_tn3270 && ((unsigned char)buf[i] == IAC_IP | |
192 | || (unsigned char)buf[i] == IAC_NOP) | |
193 | && s->do_telnetopt == 2) { | |
194 | /* TODO: IP and NOP need to be implemented later. */ | |
195 | s->do_telnetopt++; | |
d24ca4b8 MAL |
196 | } |
197 | s->do_telnetopt++; | |
198 | } | |
199 | if (s->do_telnetopt >= 4) { | |
200 | s->do_telnetopt = 1; | |
201 | } | |
202 | } else { | |
203 | if ((unsigned char)buf[i] == IAC) { | |
204 | s->do_telnetopt = 2; | |
205 | } else { | |
206 | if (j != i) { | |
207 | buf[j] = buf[i]; | |
208 | } | |
209 | j++; | |
210 | } | |
211 | } | |
212 | } | |
213 | *size = j; | |
214 | } | |
215 | ||
216 | static int tcp_get_msgfds(Chardev *chr, int *fds, int num) | |
217 | { | |
218 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
219 | ||
220 | int to_copy = (s->read_msgfds_num < num) ? s->read_msgfds_num : num; | |
221 | ||
222 | assert(num <= TCP_MAX_FDS); | |
223 | ||
224 | if (to_copy) { | |
225 | int i; | |
226 | ||
227 | memcpy(fds, s->read_msgfds, to_copy * sizeof(int)); | |
228 | ||
229 | /* Close unused fds */ | |
230 | for (i = to_copy; i < s->read_msgfds_num; i++) { | |
231 | close(s->read_msgfds[i]); | |
232 | } | |
233 | ||
234 | g_free(s->read_msgfds); | |
235 | s->read_msgfds = 0; | |
236 | s->read_msgfds_num = 0; | |
237 | } | |
238 | ||
239 | return to_copy; | |
240 | } | |
241 | ||
242 | static int tcp_set_msgfds(Chardev *chr, int *fds, int num) | |
243 | { | |
244 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
245 | ||
246 | /* clear old pending fd array */ | |
247 | g_free(s->write_msgfds); | |
248 | s->write_msgfds = NULL; | |
249 | s->write_msgfds_num = 0; | |
250 | ||
251 | if (!s->connected || | |
252 | !qio_channel_has_feature(s->ioc, | |
253 | QIO_CHANNEL_FEATURE_FD_PASS)) { | |
254 | return -1; | |
255 | } | |
256 | ||
257 | if (num) { | |
258 | s->write_msgfds = g_new(int, num); | |
259 | memcpy(s->write_msgfds, fds, num * sizeof(int)); | |
260 | } | |
261 | ||
262 | s->write_msgfds_num = num; | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
267 | static ssize_t tcp_chr_recv(Chardev *chr, char *buf, size_t len) | |
268 | { | |
269 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
270 | struct iovec iov = { .iov_base = buf, .iov_len = len }; | |
271 | int ret; | |
272 | size_t i; | |
273 | int *msgfds = NULL; | |
274 | size_t msgfds_num = 0; | |
275 | ||
276 | if (qio_channel_has_feature(s->ioc, QIO_CHANNEL_FEATURE_FD_PASS)) { | |
277 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
278 | &msgfds, &msgfds_num, | |
279 | NULL); | |
280 | } else { | |
281 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
282 | NULL, NULL, | |
283 | NULL); | |
284 | } | |
285 | ||
286 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
287 | errno = EAGAIN; | |
288 | ret = -1; | |
289 | } else if (ret == -1) { | |
290 | errno = EIO; | |
291 | } | |
292 | ||
293 | if (msgfds_num) { | |
294 | /* close and clean read_msgfds */ | |
295 | for (i = 0; i < s->read_msgfds_num; i++) { | |
296 | close(s->read_msgfds[i]); | |
297 | } | |
298 | ||
299 | if (s->read_msgfds_num) { | |
300 | g_free(s->read_msgfds); | |
301 | } | |
302 | ||
303 | s->read_msgfds = msgfds; | |
304 | s->read_msgfds_num = msgfds_num; | |
305 | } | |
306 | ||
307 | for (i = 0; i < s->read_msgfds_num; i++) { | |
308 | int fd = s->read_msgfds[i]; | |
309 | if (fd < 0) { | |
310 | continue; | |
311 | } | |
312 | ||
313 | /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ | |
314 | qemu_set_block(fd); | |
315 | ||
316 | #ifndef MSG_CMSG_CLOEXEC | |
317 | qemu_set_cloexec(fd); | |
318 | #endif | |
319 | } | |
320 | ||
321 | return ret; | |
322 | } | |
323 | ||
324 | static GSource *tcp_chr_add_watch(Chardev *chr, GIOCondition cond) | |
325 | { | |
326 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
327 | return qio_channel_create_watch(s->ioc, cond); | |
328 | } | |
329 | ||
330 | static void tcp_chr_free_connection(Chardev *chr) | |
331 | { | |
332 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
333 | int i; | |
334 | ||
335 | if (!s->connected) { | |
336 | return; | |
337 | } | |
338 | ||
339 | if (s->read_msgfds_num) { | |
340 | for (i = 0; i < s->read_msgfds_num; i++) { | |
341 | close(s->read_msgfds[i]); | |
342 | } | |
343 | g_free(s->read_msgfds); | |
344 | s->read_msgfds = NULL; | |
345 | s->read_msgfds_num = 0; | |
346 | } | |
347 | ||
348 | tcp_set_msgfds(chr, NULL, 0); | |
b19456dd | 349 | remove_fd_in_watch(chr); |
d24ca4b8 MAL |
350 | object_unref(OBJECT(s->sioc)); |
351 | s->sioc = NULL; | |
352 | object_unref(OBJECT(s->ioc)); | |
353 | s->ioc = NULL; | |
354 | g_free(chr->filename); | |
355 | chr->filename = NULL; | |
356 | s->connected = 0; | |
357 | } | |
358 | ||
359 | static char *SocketAddress_to_str(const char *prefix, SocketAddress *addr, | |
360 | bool is_listen, bool is_telnet) | |
361 | { | |
362 | switch (addr->type) { | |
bd269ebc | 363 | case SOCKET_ADDRESS_TYPE_INET: |
d24ca4b8 MAL |
364 | return g_strdup_printf("%s%s:%s:%s%s", prefix, |
365 | is_telnet ? "telnet" : "tcp", | |
bd269ebc MA |
366 | addr->u.inet.host, |
367 | addr->u.inet.port, | |
d24ca4b8 MAL |
368 | is_listen ? ",server" : ""); |
369 | break; | |
bd269ebc | 370 | case SOCKET_ADDRESS_TYPE_UNIX: |
d24ca4b8 | 371 | return g_strdup_printf("%sunix:%s%s", prefix, |
bd269ebc | 372 | addr->u.q_unix.path, |
d24ca4b8 MAL |
373 | is_listen ? ",server" : ""); |
374 | break; | |
bd269ebc MA |
375 | case SOCKET_ADDRESS_TYPE_FD: |
376 | return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd.str, | |
d24ca4b8 MAL |
377 | is_listen ? ",server" : ""); |
378 | break; | |
bd269ebc | 379 | case SOCKET_ADDRESS_TYPE_VSOCK: |
d2e49aad | 380 | return g_strdup_printf("%svsock:%s:%s", prefix, |
bd269ebc MA |
381 | addr->u.vsock.cid, |
382 | addr->u.vsock.port); | |
d24ca4b8 MAL |
383 | default: |
384 | abort(); | |
385 | } | |
386 | } | |
387 | ||
bbcde969 MAL |
388 | static void update_disconnected_filename(SocketChardev *s) |
389 | { | |
390 | Chardev *chr = CHARDEV(s); | |
391 | ||
392 | g_free(chr->filename); | |
393 | chr->filename = SocketAddress_to_str("disconnected:", s->addr, | |
394 | s->is_listen, s->is_telnet); | |
395 | } | |
396 | ||
d24ca4b8 MAL |
397 | static void tcp_chr_disconnect(Chardev *chr) |
398 | { | |
399 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
400 | ||
401 | if (!s->connected) { | |
402 | return; | |
403 | } | |
404 | ||
405 | tcp_chr_free_connection(chr); | |
406 | ||
407 | if (s->listen_ioc) { | |
408 | s->listen_tag = qio_channel_add_watch( | |
409 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); | |
410 | } | |
bbcde969 | 411 | update_disconnected_filename(s); |
d24ca4b8 MAL |
412 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
413 | if (s->reconnect_time) { | |
414 | qemu_chr_socket_restart_timer(chr); | |
415 | } | |
416 | } | |
417 | ||
418 | static gboolean tcp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) | |
419 | { | |
420 | Chardev *chr = CHARDEV(opaque); | |
421 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
422 | uint8_t buf[CHR_READ_BUF_LEN]; | |
423 | int len, size; | |
424 | ||
425 | if (!s->connected || s->max_size <= 0) { | |
426 | return TRUE; | |
427 | } | |
428 | len = sizeof(buf); | |
429 | if (len > s->max_size) { | |
430 | len = s->max_size; | |
431 | } | |
432 | size = tcp_chr_recv(chr, (void *)buf, len); | |
433 | if (size == 0 || size == -1) { | |
434 | /* connection closed */ | |
435 | tcp_chr_disconnect(chr); | |
436 | } else if (size > 0) { | |
437 | if (s->do_telnetopt) { | |
438 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
439 | } | |
440 | if (size > 0) { | |
441 | qemu_chr_be_write(chr, buf, size); | |
442 | } | |
443 | } | |
444 | ||
445 | return TRUE; | |
446 | } | |
447 | ||
448 | static int tcp_chr_sync_read(Chardev *chr, const uint8_t *buf, int len) | |
449 | { | |
450 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
451 | int size; | |
452 | ||
453 | if (!s->connected) { | |
454 | return 0; | |
455 | } | |
456 | ||
bcdeb9be | 457 | qio_channel_set_blocking(s->ioc, true, NULL); |
d24ca4b8 | 458 | size = tcp_chr_recv(chr, (void *) buf, len); |
bcdeb9be | 459 | qio_channel_set_blocking(s->ioc, false, NULL); |
d24ca4b8 MAL |
460 | if (size == 0) { |
461 | /* connection closed */ | |
462 | tcp_chr_disconnect(chr); | |
463 | } | |
464 | ||
465 | return size; | |
466 | } | |
467 | ||
468 | static char *sockaddr_to_str(struct sockaddr_storage *ss, socklen_t ss_len, | |
469 | struct sockaddr_storage *ps, socklen_t ps_len, | |
470 | bool is_listen, bool is_telnet) | |
471 | { | |
472 | char shost[NI_MAXHOST], sserv[NI_MAXSERV]; | |
473 | char phost[NI_MAXHOST], pserv[NI_MAXSERV]; | |
474 | const char *left = "", *right = ""; | |
475 | ||
476 | switch (ss->ss_family) { | |
477 | #ifndef _WIN32 | |
478 | case AF_UNIX: | |
479 | return g_strdup_printf("unix:%s%s", | |
480 | ((struct sockaddr_un *)(ss))->sun_path, | |
481 | is_listen ? ",server" : ""); | |
482 | #endif | |
483 | case AF_INET6: | |
484 | left = "["; | |
485 | right = "]"; | |
486 | /* fall through */ | |
487 | case AF_INET: | |
488 | getnameinfo((struct sockaddr *) ss, ss_len, shost, sizeof(shost), | |
489 | sserv, sizeof(sserv), NI_NUMERICHOST | NI_NUMERICSERV); | |
490 | getnameinfo((struct sockaddr *) ps, ps_len, phost, sizeof(phost), | |
491 | pserv, sizeof(pserv), NI_NUMERICHOST | NI_NUMERICSERV); | |
492 | return g_strdup_printf("%s:%s%s%s:%s%s <-> %s%s%s:%s", | |
493 | is_telnet ? "telnet" : "tcp", | |
494 | left, shost, right, sserv, | |
495 | is_listen ? ",server" : "", | |
496 | left, phost, right, pserv); | |
497 | ||
498 | default: | |
499 | return g_strdup_printf("unknown"); | |
500 | } | |
501 | } | |
502 | ||
503 | static void tcp_chr_connect(void *opaque) | |
504 | { | |
505 | Chardev *chr = CHARDEV(opaque); | |
506 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
507 | ||
508 | g_free(chr->filename); | |
509 | chr->filename = sockaddr_to_str( | |
510 | &s->sioc->localAddr, s->sioc->localAddrLen, | |
511 | &s->sioc->remoteAddr, s->sioc->remoteAddrLen, | |
512 | s->is_listen, s->is_telnet); | |
513 | ||
514 | s->connected = 1; | |
515 | if (s->ioc) { | |
b19456dd | 516 | chr->gsource = io_add_watch_poll(chr, s->ioc, |
d24ca4b8 MAL |
517 | tcp_chr_read_poll, |
518 | tcp_chr_read, | |
6bbb6c06 | 519 | chr, chr->gcontext); |
d24ca4b8 | 520 | } |
63618135 | 521 | qemu_chr_be_event(chr, CHR_EVENT_OPENED); |
d24ca4b8 MAL |
522 | } |
523 | ||
bb86d05f | 524 | static void tcp_chr_update_read_handler(Chardev *chr) |
d24ca4b8 MAL |
525 | { |
526 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
527 | ||
528 | if (!s->connected) { | |
529 | return; | |
530 | } | |
531 | ||
b19456dd | 532 | remove_fd_in_watch(chr); |
d24ca4b8 | 533 | if (s->ioc) { |
b19456dd | 534 | chr->gsource = io_add_watch_poll(chr, s->ioc, |
d24ca4b8 MAL |
535 | tcp_chr_read_poll, |
536 | tcp_chr_read, chr, | |
6bbb6c06 | 537 | chr->gcontext); |
d24ca4b8 MAL |
538 | } |
539 | } | |
540 | ||
541 | typedef struct { | |
542 | Chardev *chr; | |
ae92cbd5 | 543 | char buf[21]; |
d24ca4b8 MAL |
544 | size_t buflen; |
545 | } TCPChardevTelnetInit; | |
546 | ||
547 | static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc, | |
548 | GIOCondition cond G_GNUC_UNUSED, | |
549 | gpointer user_data) | |
550 | { | |
551 | TCPChardevTelnetInit *init = user_data; | |
552 | ssize_t ret; | |
553 | ||
554 | ret = qio_channel_write(ioc, init->buf, init->buflen, NULL); | |
555 | if (ret < 0) { | |
556 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
557 | ret = 0; | |
558 | } else { | |
559 | tcp_chr_disconnect(init->chr); | |
560 | return FALSE; | |
561 | } | |
562 | } | |
563 | init->buflen -= ret; | |
564 | ||
565 | if (init->buflen == 0) { | |
566 | tcp_chr_connect(init->chr); | |
567 | return FALSE; | |
568 | } | |
569 | ||
570 | memmove(init->buf, init->buf + ret, init->buflen); | |
571 | ||
572 | return TRUE; | |
573 | } | |
574 | ||
575 | static void tcp_chr_telnet_init(Chardev *chr) | |
576 | { | |
577 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
578 | TCPChardevTelnetInit *init = g_new0(TCPChardevTelnetInit, 1); | |
579 | size_t n = 0; | |
580 | ||
d24ca4b8 MAL |
581 | #define IACSET(x, a, b, c) \ |
582 | do { \ | |
583 | x[n++] = a; \ | |
584 | x[n++] = b; \ | |
585 | x[n++] = c; \ | |
586 | } while (0) | |
587 | ||
ae92cbd5 JL |
588 | init->chr = chr; |
589 | if (!s->is_tn3270) { | |
590 | init->buflen = 12; | |
591 | /* Prep the telnet negotion to put telnet in binary, | |
592 | * no echo, single char mode */ | |
593 | IACSET(init->buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
594 | IACSET(init->buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
595 | IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
596 | IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
597 | } else { | |
598 | init->buflen = 21; | |
599 | /* Prep the TN3270 negotion based on RFC1576 */ | |
600 | IACSET(init->buf, 0xff, 0xfd, 0x19); /* IAC DO EOR */ | |
601 | IACSET(init->buf, 0xff, 0xfb, 0x19); /* IAC WILL EOR */ | |
602 | IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO BINARY */ | |
603 | IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL BINARY */ | |
604 | IACSET(init->buf, 0xff, 0xfd, 0x18); /* IAC DO TERMINAL TYPE */ | |
605 | IACSET(init->buf, 0xff, 0xfa, 0x18); /* IAC SB TERMINAL TYPE */ | |
606 | IACSET(init->buf, 0x01, 0xff, 0xf0); /* SEND IAC SE */ | |
607 | } | |
d24ca4b8 MAL |
608 | |
609 | #undef IACSET | |
610 | ||
611 | qio_channel_add_watch( | |
612 | s->ioc, G_IO_OUT, | |
613 | tcp_chr_telnet_init_io, | |
614 | init, NULL); | |
615 | } | |
616 | ||
617 | ||
618 | static void tcp_chr_tls_handshake(QIOTask *task, | |
619 | gpointer user_data) | |
620 | { | |
621 | Chardev *chr = user_data; | |
622 | SocketChardev *s = user_data; | |
623 | ||
624 | if (qio_task_propagate_error(task, NULL)) { | |
625 | tcp_chr_disconnect(chr); | |
626 | } else { | |
ae92cbd5 JL |
627 | /* tn3270 does not support TLS yet */ |
628 | if (s->do_telnetopt && !s->is_tn3270) { | |
d24ca4b8 MAL |
629 | tcp_chr_telnet_init(chr); |
630 | } else { | |
631 | tcp_chr_connect(chr); | |
632 | } | |
633 | } | |
634 | } | |
635 | ||
636 | ||
637 | static void tcp_chr_tls_init(Chardev *chr) | |
638 | { | |
639 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
640 | QIOChannelTLS *tioc; | |
641 | Error *err = NULL; | |
642 | gchar *name; | |
643 | ||
644 | if (s->is_listen) { | |
645 | tioc = qio_channel_tls_new_server( | |
646 | s->ioc, s->tls_creds, | |
647 | NULL, /* XXX Use an ACL */ | |
648 | &err); | |
649 | } else { | |
650 | tioc = qio_channel_tls_new_client( | |
651 | s->ioc, s->tls_creds, | |
bd269ebc | 652 | s->addr->u.inet.host, |
d24ca4b8 MAL |
653 | &err); |
654 | } | |
655 | if (tioc == NULL) { | |
656 | error_free(err); | |
657 | tcp_chr_disconnect(chr); | |
658 | return; | |
659 | } | |
660 | name = g_strdup_printf("chardev-tls-%s-%s", | |
661 | s->is_listen ? "server" : "client", | |
662 | chr->label); | |
663 | qio_channel_set_name(QIO_CHANNEL(tioc), name); | |
664 | g_free(name); | |
665 | object_unref(OBJECT(s->ioc)); | |
666 | s->ioc = QIO_CHANNEL(tioc); | |
667 | ||
668 | qio_channel_tls_handshake(tioc, | |
669 | tcp_chr_tls_handshake, | |
670 | chr, | |
671 | NULL); | |
672 | } | |
673 | ||
674 | ||
675 | static void tcp_chr_set_client_ioc_name(Chardev *chr, | |
676 | QIOChannelSocket *sioc) | |
677 | { | |
678 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
679 | char *name; | |
680 | name = g_strdup_printf("chardev-tcp-%s-%s", | |
681 | s->is_listen ? "server" : "client", | |
682 | chr->label); | |
683 | qio_channel_set_name(QIO_CHANNEL(sioc), name); | |
684 | g_free(name); | |
685 | ||
686 | } | |
687 | ||
688 | static int tcp_chr_new_client(Chardev *chr, QIOChannelSocket *sioc) | |
689 | { | |
690 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
691 | ||
692 | if (s->ioc != NULL) { | |
693 | return -1; | |
694 | } | |
695 | ||
696 | s->ioc = QIO_CHANNEL(sioc); | |
697 | object_ref(OBJECT(sioc)); | |
698 | s->sioc = sioc; | |
699 | object_ref(OBJECT(sioc)); | |
700 | ||
701 | qio_channel_set_blocking(s->ioc, false, NULL); | |
702 | ||
703 | if (s->do_nodelay) { | |
704 | qio_channel_set_delay(s->ioc, false); | |
705 | } | |
706 | if (s->listen_tag) { | |
707 | g_source_remove(s->listen_tag); | |
708 | s->listen_tag = 0; | |
709 | } | |
710 | ||
711 | if (s->tls_creds) { | |
712 | tcp_chr_tls_init(chr); | |
713 | } else { | |
714 | if (s->do_telnetopt) { | |
715 | tcp_chr_telnet_init(chr); | |
716 | } else { | |
717 | tcp_chr_connect(chr); | |
718 | } | |
719 | } | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
724 | ||
725 | static int tcp_chr_add_client(Chardev *chr, int fd) | |
726 | { | |
727 | int ret; | |
728 | QIOChannelSocket *sioc; | |
729 | ||
730 | sioc = qio_channel_socket_new_fd(fd, NULL); | |
731 | if (!sioc) { | |
732 | return -1; | |
733 | } | |
734 | tcp_chr_set_client_ioc_name(chr, sioc); | |
735 | ret = tcp_chr_new_client(chr, sioc); | |
736 | object_unref(OBJECT(sioc)); | |
737 | return ret; | |
738 | } | |
739 | ||
740 | static gboolean tcp_chr_accept(QIOChannel *channel, | |
741 | GIOCondition cond, | |
742 | void *opaque) | |
743 | { | |
744 | Chardev *chr = CHARDEV(opaque); | |
745 | QIOChannelSocket *sioc; | |
746 | ||
747 | sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel), | |
748 | NULL); | |
749 | if (!sioc) { | |
750 | return TRUE; | |
751 | } | |
752 | ||
753 | tcp_chr_new_client(chr, sioc); | |
754 | ||
755 | object_unref(OBJECT(sioc)); | |
756 | ||
757 | return TRUE; | |
758 | } | |
759 | ||
760 | static int tcp_chr_wait_connected(Chardev *chr, Error **errp) | |
761 | { | |
762 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
763 | QIOChannelSocket *sioc; | |
764 | ||
765 | /* It can't wait on s->connected, since it is set asynchronously | |
766 | * in TLS and telnet cases, only wait for an accepted socket */ | |
767 | while (!s->ioc) { | |
768 | if (s->is_listen) { | |
c51c4f88 AF |
769 | info_report("QEMU waiting for connection on: %s", |
770 | chr->filename); | |
d24ca4b8 MAL |
771 | qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), true, NULL); |
772 | tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr); | |
773 | qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL); | |
774 | } else { | |
775 | sioc = qio_channel_socket_new(); | |
776 | tcp_chr_set_client_ioc_name(chr, sioc); | |
777 | if (qio_channel_socket_connect_sync(sioc, s->addr, errp) < 0) { | |
778 | object_unref(OBJECT(sioc)); | |
779 | return -1; | |
780 | } | |
781 | tcp_chr_new_client(chr, sioc); | |
782 | object_unref(OBJECT(sioc)); | |
783 | } | |
784 | } | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
789 | static void char_socket_finalize(Object *obj) | |
790 | { | |
791 | Chardev *chr = CHARDEV(obj); | |
792 | SocketChardev *s = SOCKET_CHARDEV(obj); | |
793 | ||
794 | tcp_chr_free_connection(chr); | |
795 | ||
796 | if (s->reconnect_timer) { | |
797 | g_source_remove(s->reconnect_timer); | |
798 | s->reconnect_timer = 0; | |
799 | } | |
800 | qapi_free_SocketAddress(s->addr); | |
801 | if (s->listen_tag) { | |
802 | g_source_remove(s->listen_tag); | |
803 | s->listen_tag = 0; | |
804 | } | |
805 | if (s->listen_ioc) { | |
806 | object_unref(OBJECT(s->listen_ioc)); | |
807 | } | |
808 | if (s->tls_creds) { | |
809 | object_unref(OBJECT(s->tls_creds)); | |
810 | } | |
811 | ||
812 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); | |
813 | } | |
814 | ||
815 | static void qemu_chr_socket_connected(QIOTask *task, void *opaque) | |
816 | { | |
817 | QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(qio_task_get_source(task)); | |
818 | Chardev *chr = CHARDEV(opaque); | |
819 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
820 | Error *err = NULL; | |
821 | ||
822 | if (qio_task_propagate_error(task, &err)) { | |
823 | check_report_connect_error(chr, err); | |
824 | error_free(err); | |
825 | goto cleanup; | |
826 | } | |
827 | ||
828 | s->connect_err_reported = false; | |
829 | tcp_chr_new_client(chr, sioc); | |
830 | ||
831 | cleanup: | |
832 | object_unref(OBJECT(sioc)); | |
833 | } | |
834 | ||
835 | static gboolean socket_reconnect_timeout(gpointer opaque) | |
836 | { | |
837 | Chardev *chr = CHARDEV(opaque); | |
838 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
839 | QIOChannelSocket *sioc; | |
840 | ||
841 | s->reconnect_timer = 0; | |
842 | ||
843 | if (chr->be_open) { | |
844 | return false; | |
845 | } | |
846 | ||
847 | sioc = qio_channel_socket_new(); | |
848 | tcp_chr_set_client_ioc_name(chr, sioc); | |
849 | qio_channel_socket_connect_async(sioc, s->addr, | |
850 | qemu_chr_socket_connected, | |
851 | chr, NULL); | |
852 | ||
853 | return false; | |
854 | } | |
855 | ||
856 | static void qmp_chardev_open_socket(Chardev *chr, | |
857 | ChardevBackend *backend, | |
858 | bool *be_opened, | |
859 | Error **errp) | |
860 | { | |
861 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
862 | ChardevSocket *sock = backend->u.socket.data; | |
d24ca4b8 MAL |
863 | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; |
864 | bool is_listen = sock->has_server ? sock->server : true; | |
865 | bool is_telnet = sock->has_telnet ? sock->telnet : false; | |
ae92cbd5 | 866 | bool is_tn3270 = sock->has_tn3270 ? sock->tn3270 : false; |
d24ca4b8 MAL |
867 | bool is_waitconnect = sock->has_wait ? sock->wait : false; |
868 | int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0; | |
869 | QIOChannelSocket *sioc = NULL; | |
bd269ebc | 870 | SocketAddress *addr; |
d24ca4b8 | 871 | |
d24ca4b8 MAL |
872 | s->is_listen = is_listen; |
873 | s->is_telnet = is_telnet; | |
ae92cbd5 | 874 | s->is_tn3270 = is_tn3270; |
d24ca4b8 MAL |
875 | s->do_nodelay = do_nodelay; |
876 | if (sock->tls_creds) { | |
877 | Object *creds; | |
878 | creds = object_resolve_path_component( | |
879 | object_get_objects_root(), sock->tls_creds); | |
880 | if (!creds) { | |
881 | error_setg(errp, "No TLS credentials with id '%s'", | |
882 | sock->tls_creds); | |
883 | goto error; | |
884 | } | |
885 | s->tls_creds = (QCryptoTLSCreds *) | |
886 | object_dynamic_cast(creds, | |
887 | TYPE_QCRYPTO_TLS_CREDS); | |
888 | if (!s->tls_creds) { | |
889 | error_setg(errp, "Object with id '%s' is not TLS credentials", | |
890 | sock->tls_creds); | |
891 | goto error; | |
892 | } | |
893 | object_ref(OBJECT(s->tls_creds)); | |
894 | if (is_listen) { | |
895 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
896 | error_setg(errp, "%s", | |
897 | "Expected TLS credentials for server endpoint"); | |
898 | goto error; | |
899 | } | |
900 | } else { | |
901 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) { | |
902 | error_setg(errp, "%s", | |
903 | "Expected TLS credentials for client endpoint"); | |
904 | goto error; | |
905 | } | |
906 | } | |
907 | } | |
908 | ||
bd269ebc | 909 | s->addr = addr = socket_address_flatten(sock->addr); |
d24ca4b8 MAL |
910 | |
911 | qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE); | |
ca0b64e5 | 912 | /* TODO SOCKET_ADDRESS_FD where fd has AF_UNIX */ |
bd269ebc | 913 | if (addr->type == SOCKET_ADDRESS_TYPE_UNIX) { |
d24ca4b8 MAL |
914 | qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_FD_PASS); |
915 | } | |
916 | ||
917 | /* be isn't opened until we get a connection */ | |
918 | *be_opened = false; | |
919 | ||
bbcde969 | 920 | update_disconnected_filename(s); |
d24ca4b8 MAL |
921 | |
922 | if (is_listen) { | |
ae92cbd5 | 923 | if (is_telnet || is_tn3270) { |
d24ca4b8 MAL |
924 | s->do_telnetopt = 1; |
925 | } | |
926 | } else if (reconnect > 0) { | |
927 | s->reconnect_time = reconnect; | |
928 | } | |
929 | ||
930 | if (s->reconnect_time) { | |
931 | sioc = qio_channel_socket_new(); | |
932 | tcp_chr_set_client_ioc_name(chr, sioc); | |
933 | qio_channel_socket_connect_async(sioc, s->addr, | |
934 | qemu_chr_socket_connected, | |
935 | chr, NULL); | |
936 | } else { | |
937 | if (s->is_listen) { | |
938 | char *name; | |
939 | sioc = qio_channel_socket_new(); | |
940 | ||
941 | name = g_strdup_printf("chardev-tcp-listener-%s", chr->label); | |
942 | qio_channel_set_name(QIO_CHANNEL(sioc), name); | |
943 | g_free(name); | |
944 | ||
945 | if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) { | |
946 | goto error; | |
947 | } | |
bc763d71 MAL |
948 | |
949 | qapi_free_SocketAddress(s->addr); | |
950 | s->addr = socket_local_address(sioc->fd, errp); | |
951 | update_disconnected_filename(s); | |
952 | ||
d24ca4b8 MAL |
953 | s->listen_ioc = sioc; |
954 | if (is_waitconnect && | |
955 | qemu_chr_wait_connected(chr, errp) < 0) { | |
956 | return; | |
957 | } | |
958 | if (!s->ioc) { | |
959 | s->listen_tag = qio_channel_add_watch( | |
960 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, | |
961 | tcp_chr_accept, chr, NULL); | |
962 | } | |
963 | } else if (qemu_chr_wait_connected(chr, errp) < 0) { | |
964 | goto error; | |
965 | } | |
966 | } | |
967 | ||
968 | return; | |
969 | ||
970 | error: | |
971 | if (sioc) { | |
972 | object_unref(OBJECT(sioc)); | |
973 | } | |
974 | } | |
975 | ||
976 | static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend, | |
977 | Error **errp) | |
978 | { | |
979 | bool is_listen = qemu_opt_get_bool(opts, "server", false); | |
980 | bool is_waitconnect = is_listen && qemu_opt_get_bool(opts, "wait", true); | |
981 | bool is_telnet = qemu_opt_get_bool(opts, "telnet", false); | |
ae92cbd5 | 982 | bool is_tn3270 = qemu_opt_get_bool(opts, "tn3270", false); |
d24ca4b8 MAL |
983 | bool do_nodelay = !qemu_opt_get_bool(opts, "delay", true); |
984 | int64_t reconnect = qemu_opt_get_number(opts, "reconnect", 0); | |
985 | const char *path = qemu_opt_get(opts, "path"); | |
986 | const char *host = qemu_opt_get(opts, "host"); | |
987 | const char *port = qemu_opt_get(opts, "port"); | |
988 | const char *tls_creds = qemu_opt_get(opts, "tls-creds"); | |
dfd100f2 | 989 | SocketAddressLegacy *addr; |
d24ca4b8 MAL |
990 | ChardevSocket *sock; |
991 | ||
992 | backend->type = CHARDEV_BACKEND_KIND_SOCKET; | |
993 | if (!path) { | |
994 | if (!host) { | |
995 | error_setg(errp, "chardev: socket: no host given"); | |
996 | return; | |
997 | } | |
998 | if (!port) { | |
999 | error_setg(errp, "chardev: socket: no port given"); | |
1000 | return; | |
1001 | } | |
1002 | } else { | |
1003 | if (tls_creds) { | |
1004 | error_setg(errp, "TLS can only be used over TCP socket"); | |
1005 | return; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | sock = backend->u.socket.data = g_new0(ChardevSocket, 1); | |
1010 | qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock)); | |
1011 | ||
1012 | sock->has_nodelay = true; | |
1013 | sock->nodelay = do_nodelay; | |
1014 | sock->has_server = true; | |
1015 | sock->server = is_listen; | |
1016 | sock->has_telnet = true; | |
1017 | sock->telnet = is_telnet; | |
ae92cbd5 JL |
1018 | sock->has_tn3270 = true; |
1019 | sock->tn3270 = is_tn3270; | |
d24ca4b8 MAL |
1020 | sock->has_wait = true; |
1021 | sock->wait = is_waitconnect; | |
1022 | sock->has_reconnect = true; | |
1023 | sock->reconnect = reconnect; | |
1024 | sock->tls_creds = g_strdup(tls_creds); | |
1025 | ||
dfd100f2 | 1026 | addr = g_new0(SocketAddressLegacy, 1); |
d24ca4b8 MAL |
1027 | if (path) { |
1028 | UnixSocketAddress *q_unix; | |
dfd100f2 | 1029 | addr->type = SOCKET_ADDRESS_LEGACY_KIND_UNIX; |
d24ca4b8 MAL |
1030 | q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
1031 | q_unix->path = g_strdup(path); | |
1032 | } else { | |
dfd100f2 | 1033 | addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET; |
d24ca4b8 MAL |
1034 | addr->u.inet.data = g_new(InetSocketAddress, 1); |
1035 | *addr->u.inet.data = (InetSocketAddress) { | |
1036 | .host = g_strdup(host), | |
1037 | .port = g_strdup(port), | |
1038 | .has_to = qemu_opt_get(opts, "to"), | |
1039 | .to = qemu_opt_get_number(opts, "to", 0), | |
1040 | .has_ipv4 = qemu_opt_get(opts, "ipv4"), | |
1041 | .ipv4 = qemu_opt_get_bool(opts, "ipv4", 0), | |
1042 | .has_ipv6 = qemu_opt_get(opts, "ipv6"), | |
1043 | .ipv6 = qemu_opt_get_bool(opts, "ipv6", 0), | |
1044 | }; | |
1045 | } | |
1046 | sock->addr = addr; | |
1047 | } | |
1048 | ||
123676e9 MAL |
1049 | static void |
1050 | char_socket_get_addr(Object *obj, Visitor *v, const char *name, | |
1051 | void *opaque, Error **errp) | |
1052 | { | |
1053 | SocketChardev *s = SOCKET_CHARDEV(obj); | |
1054 | ||
1055 | visit_type_SocketAddress(v, name, &s->addr, errp); | |
1056 | } | |
1057 | ||
da2d19b0 MAL |
1058 | static bool |
1059 | char_socket_get_connected(Object *obj, Error **errp) | |
1060 | { | |
1061 | SocketChardev *s = SOCKET_CHARDEV(obj); | |
1062 | ||
1063 | return s->connected; | |
1064 | } | |
1065 | ||
d24ca4b8 MAL |
1066 | static void char_socket_class_init(ObjectClass *oc, void *data) |
1067 | { | |
1068 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
1069 | ||
1070 | cc->parse = qemu_chr_parse_socket; | |
1071 | cc->open = qmp_chardev_open_socket; | |
1072 | cc->chr_wait_connected = tcp_chr_wait_connected; | |
1073 | cc->chr_write = tcp_chr_write; | |
1074 | cc->chr_sync_read = tcp_chr_sync_read; | |
1075 | cc->chr_disconnect = tcp_chr_disconnect; | |
1076 | cc->get_msgfds = tcp_get_msgfds; | |
1077 | cc->set_msgfds = tcp_set_msgfds; | |
1078 | cc->chr_add_client = tcp_chr_add_client; | |
1079 | cc->chr_add_watch = tcp_chr_add_watch; | |
1080 | cc->chr_update_read_handler = tcp_chr_update_read_handler; | |
123676e9 MAL |
1081 | |
1082 | object_class_property_add(oc, "addr", "SocketAddress", | |
1083 | char_socket_get_addr, NULL, | |
1084 | NULL, NULL, &error_abort); | |
da2d19b0 MAL |
1085 | |
1086 | object_class_property_add_bool(oc, "connected", char_socket_get_connected, | |
1087 | NULL, &error_abort); | |
d24ca4b8 MAL |
1088 | } |
1089 | ||
1090 | static const TypeInfo char_socket_type_info = { | |
1091 | .name = TYPE_CHARDEV_SOCKET, | |
1092 | .parent = TYPE_CHARDEV, | |
1093 | .instance_size = sizeof(SocketChardev), | |
1094 | .instance_finalize = char_socket_finalize, | |
1095 | .class_init = char_socket_class_init, | |
1096 | }; | |
1097 | ||
1098 | static void register_types(void) | |
1099 | { | |
1100 | type_register_static(&char_socket_type_info); | |
1101 | } | |
1102 | ||
1103 | type_init(register_types); |