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Commit | Line | Data |
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305b0eb2 AL |
1 | /* |
2 | * inet and unix socket functions for qemu | |
3 | * | |
4 | * (c) 2008 Gerd Hoffmann <kraxel@redhat.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; under version 2 of the License. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
e6d91ab6 PB |
14 | * |
15 | * Contributions after 2012-01-13 are licensed under the terms of the | |
16 | * GNU GPL, version 2 or (at your option) any later version. | |
305b0eb2 | 17 | */ |
aafd7584 | 18 | #include "qemu/osdep.h" |
d247d25f | 19 | |
83c9089e | 20 | #include "monitor/monitor.h" |
1de7afc9 | 21 | #include "qemu/sockets.h" |
1de7afc9 | 22 | #include "qemu/main-loop.h" |
2a8e21c7 DB |
23 | #include "qapi/qmp-input-visitor.h" |
24 | #include "qapi/qmp-output-visitor.h" | |
25 | #include "qapi-visit.h" | |
d247d25f AL |
26 | |
27 | #ifndef AI_ADDRCONFIG | |
28 | # define AI_ADDRCONFIG 0 | |
29 | #endif | |
3de3d698 WB |
30 | #ifndef AI_V4MAPPED |
31 | # define AI_V4MAPPED 0 | |
32 | #endif | |
d247d25f | 33 | |
2af2bf67 | 34 | |
d247d25f AL |
35 | static int inet_getport(struct addrinfo *e) |
36 | { | |
37 | struct sockaddr_in *i4; | |
38 | struct sockaddr_in6 *i6; | |
39 | ||
40 | switch (e->ai_family) { | |
41 | case PF_INET6: | |
42 | i6 = (void*)e->ai_addr; | |
43 | return ntohs(i6->sin6_port); | |
44 | case PF_INET: | |
45 | i4 = (void*)e->ai_addr; | |
46 | return ntohs(i4->sin_port); | |
47 | default: | |
48 | return 0; | |
49 | } | |
50 | } | |
51 | ||
52 | static void inet_setport(struct addrinfo *e, int port) | |
53 | { | |
54 | struct sockaddr_in *i4; | |
55 | struct sockaddr_in6 *i6; | |
56 | ||
57 | switch (e->ai_family) { | |
58 | case PF_INET6: | |
59 | i6 = (void*)e->ai_addr; | |
60 | i6->sin6_port = htons(port); | |
61 | break; | |
62 | case PF_INET: | |
63 | i4 = (void*)e->ai_addr; | |
64 | i4->sin_port = htons(port); | |
65 | break; | |
66 | } | |
67 | } | |
68 | ||
a589569f WX |
69 | NetworkAddressFamily inet_netfamily(int family) |
70 | { | |
71 | switch (family) { | |
72 | case PF_INET6: return NETWORK_ADDRESS_FAMILY_IPV6; | |
73 | case PF_INET: return NETWORK_ADDRESS_FAMILY_IPV4; | |
74 | case PF_UNIX: return NETWORK_ADDRESS_FAMILY_UNIX; | |
75 | } | |
76 | return NETWORK_ADDRESS_FAMILY_UNKNOWN; | |
77 | } | |
78 | ||
1856835d DB |
79 | /* |
80 | * Matrix we're trying to apply | |
81 | * | |
82 | * ipv4 ipv6 family | |
83 | * - - PF_UNSPEC | |
84 | * - f PF_INET | |
85 | * - t PF_INET6 | |
86 | * f - PF_INET6 | |
87 | * f f <error> | |
88 | * f t PF_INET6 | |
89 | * t - PF_INET | |
90 | * t f PF_INET | |
91 | * t t PF_INET6 | |
92 | * | |
93 | * NB, this matrix is only about getting the neccessary results | |
94 | * from getaddrinfo(). Some of the cases require further work | |
95 | * after reading results from getaddrinfo in order to fully | |
96 | * apply the logic the end user wants. eg with the last case | |
97 | * ipv4=t + ipv6=t + PF_INET6, getaddrinfo alone can only | |
98 | * guarantee the ipv6=t part of the request - we need more | |
99 | * checks to provide ipv4=t part of the guarantee. This is | |
100 | * outside scope of this method and not currently handled by | |
101 | * callers at all. | |
102 | */ | |
103 | static int inet_ai_family_from_address(InetSocketAddress *addr, | |
104 | Error **errp) | |
105 | { | |
106 | if (addr->has_ipv6 && addr->has_ipv4 && | |
107 | !addr->ipv6 && !addr->ipv4) { | |
108 | error_setg(errp, "Cannot disable IPv4 and IPv6 at same time"); | |
109 | return PF_UNSPEC; | |
110 | } | |
111 | if ((addr->has_ipv6 && addr->ipv6) || (addr->has_ipv4 && !addr->ipv4)) { | |
112 | return PF_INET6; | |
113 | } | |
114 | if ((addr->has_ipv4 && addr->ipv4) || (addr->has_ipv6 && !addr->ipv6)) { | |
115 | return PF_INET; | |
116 | } | |
117 | return PF_UNSPEC; | |
118 | } | |
119 | ||
120 | static int inet_listen_saddr(InetSocketAddress *saddr, | |
121 | int port_offset, | |
122 | bool update_addr, | |
123 | Error **errp) | |
d247d25f AL |
124 | { |
125 | struct addrinfo ai,*res,*e; | |
d247d25f AL |
126 | char port[33]; |
127 | char uaddr[INET6_ADDRSTRLEN+1]; | |
128 | char uport[33]; | |
1856835d DB |
129 | int slisten, rc, port_min, port_max, p; |
130 | Error *err = NULL; | |
d247d25f AL |
131 | |
132 | memset(&ai,0, sizeof(ai)); | |
3de3d698 | 133 | ai.ai_flags = AI_PASSIVE; |
1856835d | 134 | ai.ai_family = inet_ai_family_from_address(saddr, &err); |
e5bc776f | 135 | ai.ai_socktype = SOCK_STREAM; |
d247d25f | 136 | |
1856835d DB |
137 | if (err) { |
138 | error_propagate(errp, err); | |
139 | return -1; | |
140 | } | |
141 | ||
142 | if (saddr->host == NULL) { | |
0983f5e6 | 143 | error_setg(errp, "host not specified"); |
e5bc776f | 144 | return -1; |
d247d25f | 145 | } |
1856835d DB |
146 | if (saddr->port != NULL) { |
147 | pstrcpy(port, sizeof(port), saddr->port); | |
0983f5e6 DB |
148 | } else { |
149 | port[0] = '\0'; | |
150 | } | |
d247d25f AL |
151 | |
152 | /* lookup */ | |
8bc89127 GH |
153 | if (port_offset) { |
154 | unsigned long long baseport; | |
0983f5e6 DB |
155 | if (strlen(port) == 0) { |
156 | error_setg(errp, "port not specified"); | |
157 | return -1; | |
158 | } | |
8bc89127 GH |
159 | if (parse_uint_full(port, &baseport, 10) < 0) { |
160 | error_setg(errp, "can't convert to a number: %s", port); | |
161 | return -1; | |
162 | } | |
163 | if (baseport > 65535 || | |
164 | baseport + port_offset > 65535) { | |
165 | error_setg(errp, "port %s out of range", port); | |
166 | return -1; | |
167 | } | |
168 | snprintf(port, sizeof(port), "%d", (int)baseport + port_offset); | |
169 | } | |
1856835d | 170 | rc = getaddrinfo(strlen(saddr->host) ? saddr->host : NULL, |
0983f5e6 | 171 | strlen(port) ? port : NULL, &ai, &res); |
d247d25f | 172 | if (rc != 0) { |
1856835d DB |
173 | error_setg(errp, "address resolution failed for %s:%s: %s", |
174 | saddr->host, port, gai_strerror(rc)); | |
d247d25f AL |
175 | return -1; |
176 | } | |
d247d25f AL |
177 | |
178 | /* create socket + bind */ | |
179 | for (e = res; e != NULL; e = e->ai_next) { | |
39b6efc8 VS |
180 | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
181 | uaddr,INET6_ADDRSTRLEN,uport,32, | |
182 | NI_NUMERICHOST | NI_NUMERICSERV); | |
40ff6d7e | 183 | slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
39b6efc8 | 184 | if (slisten < 0) { |
029409e5 | 185 | if (!e->ai_next) { |
235256a2 | 186 | error_setg_errno(errp, errno, "Failed to create socket"); |
029409e5 | 187 | } |
39b6efc8 VS |
188 | continue; |
189 | } | |
d247d25f | 190 | |
04fd1c78 | 191 | socket_set_fast_reuse(slisten); |
d247d25f AL |
192 | #ifdef IPV6_V6ONLY |
193 | if (e->ai_family == PF_INET6) { | |
194 | /* listen on both ipv4 and ipv6 */ | |
f9b5426f | 195 | const int off = 0; |
9957fc7f SW |
196 | qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off, |
197 | sizeof(off)); | |
d247d25f AL |
198 | } |
199 | #endif | |
200 | ||
877691f9 | 201 | port_min = inet_getport(e); |
1856835d | 202 | port_max = saddr->has_to ? saddr->to + port_offset : port_min; |
877691f9 MA |
203 | for (p = port_min; p <= port_max; p++) { |
204 | inet_setport(e, p); | |
d247d25f | 205 | if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { |
d247d25f AL |
206 | goto listen; |
207 | } | |
877691f9 | 208 | if (p == port_max) { |
029409e5 | 209 | if (!e->ai_next) { |
235256a2 | 210 | error_setg_errno(errp, errno, "Failed to bind socket"); |
029409e5 | 211 | } |
d247d25f | 212 | } |
d247d25f AL |
213 | } |
214 | closesocket(slisten); | |
215 | } | |
d247d25f AL |
216 | freeaddrinfo(res); |
217 | return -1; | |
218 | ||
219 | listen: | |
220 | if (listen(slisten,1) != 0) { | |
235256a2 | 221 | error_setg_errno(errp, errno, "Failed to listen on socket"); |
d247d25f | 222 | closesocket(slisten); |
39b6efc8 | 223 | freeaddrinfo(res); |
d247d25f AL |
224 | return -1; |
225 | } | |
1856835d DB |
226 | if (update_addr) { |
227 | g_free(saddr->host); | |
228 | saddr->host = g_strdup(uaddr); | |
229 | g_free(saddr->port); | |
230 | saddr->port = g_strdup_printf("%d", | |
231 | inet_getport(e) - port_offset); | |
232 | saddr->has_ipv6 = saddr->ipv6 = e->ai_family == PF_INET6; | |
233 | saddr->has_ipv4 = saddr->ipv4 = e->ai_family != PF_INET6; | |
234 | } | |
d247d25f AL |
235 | freeaddrinfo(res); |
236 | return slisten; | |
237 | } | |
238 | ||
05bc1d8a MT |
239 | #ifdef _WIN32 |
240 | #define QEMU_SOCKET_RC_INPROGRESS(rc) \ | |
241 | ((rc) == -EINPROGRESS || (rc) == -EWOULDBLOCK || (rc) == -WSAEALREADY) | |
242 | #else | |
243 | #define QEMU_SOCKET_RC_INPROGRESS(rc) \ | |
244 | ((rc) == -EINPROGRESS) | |
245 | #endif | |
246 | ||
233aa5c2 OW |
247 | /* Struct to store connect state for non blocking connect */ |
248 | typedef struct ConnectState { | |
249 | int fd; | |
250 | struct addrinfo *addr_list; | |
251 | struct addrinfo *current_addr; | |
252 | NonBlockingConnectHandler *callback; | |
253 | void *opaque; | |
254 | } ConnectState; | |
255 | ||
256 | static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, | |
11663b55 | 257 | ConnectState *connect_state, Error **errp); |
233aa5c2 OW |
258 | |
259 | static void wait_for_connect(void *opaque) | |
d247d25f | 260 | { |
233aa5c2 OW |
261 | ConnectState *s = opaque; |
262 | int val = 0, rc = 0; | |
263 | socklen_t valsize = sizeof(val); | |
264 | bool in_progress; | |
51795029 | 265 | Error *err = NULL; |
233aa5c2 | 266 | |
82e1cc4b | 267 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
233aa5c2 OW |
268 | |
269 | do { | |
9957fc7f | 270 | rc = qemu_getsockopt(s->fd, SOL_SOCKET, SO_ERROR, &val, &valsize); |
b16a44e1 | 271 | } while (rc == -1 && errno == EINTR); |
233aa5c2 OW |
272 | |
273 | /* update rc to contain error */ | |
274 | if (!rc && val) { | |
275 | rc = -1; | |
51795029 | 276 | errno = val; |
233aa5c2 OW |
277 | } |
278 | ||
279 | /* connect error */ | |
280 | if (rc < 0) { | |
51795029 | 281 | error_setg_errno(&err, errno, "Error connecting to socket"); |
233aa5c2 OW |
282 | closesocket(s->fd); |
283 | s->fd = rc; | |
284 | } | |
285 | ||
286 | /* try to connect to the next address on the list */ | |
1fc05adf PB |
287 | if (s->current_addr) { |
288 | while (s->current_addr->ai_next != NULL && s->fd < 0) { | |
289 | s->current_addr = s->current_addr->ai_next; | |
11663b55 | 290 | s->fd = inet_connect_addr(s->current_addr, &in_progress, s, NULL); |
51795029 CM |
291 | if (s->fd < 0) { |
292 | error_free(err); | |
293 | err = NULL; | |
294 | error_setg_errno(&err, errno, "Unable to start socket connect"); | |
295 | } | |
1fc05adf PB |
296 | /* connect in progress */ |
297 | if (in_progress) { | |
51795029 | 298 | goto out; |
1fc05adf | 299 | } |
233aa5c2 | 300 | } |
1fc05adf PB |
301 | |
302 | freeaddrinfo(s->addr_list); | |
233aa5c2 | 303 | } |
05bc1d8a | 304 | |
233aa5c2 | 305 | if (s->callback) { |
51795029 | 306 | s->callback(s->fd, err, s->opaque); |
05bc1d8a | 307 | } |
233aa5c2 | 308 | g_free(s); |
51795029 CM |
309 | out: |
310 | error_free(err); | |
233aa5c2 OW |
311 | } |
312 | ||
313 | static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, | |
11663b55 | 314 | ConnectState *connect_state, Error **errp) |
233aa5c2 OW |
315 | { |
316 | int sock, rc; | |
317 | ||
318 | *in_progress = false; | |
05bc1d8a MT |
319 | |
320 | sock = qemu_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); | |
321 | if (sock < 0) { | |
235256a2 | 322 | error_setg_errno(errp, errno, "Failed to create socket"); |
05bc1d8a MT |
323 | return -1; |
324 | } | |
04fd1c78 | 325 | socket_set_fast_reuse(sock); |
233aa5c2 | 326 | if (connect_state != NULL) { |
f9e8cacc | 327 | qemu_set_nonblock(sock); |
05bc1d8a MT |
328 | } |
329 | /* connect to peer */ | |
330 | do { | |
331 | rc = 0; | |
332 | if (connect(sock, addr->ai_addr, addr->ai_addrlen) < 0) { | |
b16a44e1 | 333 | rc = -errno; |
05bc1d8a MT |
334 | } |
335 | } while (rc == -EINTR); | |
336 | ||
233aa5c2 OW |
337 | if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) { |
338 | connect_state->fd = sock; | |
82e1cc4b | 339 | qemu_set_fd_handler(sock, NULL, wait_for_connect, connect_state); |
233aa5c2 | 340 | *in_progress = true; |
05bc1d8a | 341 | } else if (rc < 0) { |
235256a2 | 342 | error_setg_errno(errp, errno, "Failed to connect socket"); |
05bc1d8a MT |
343 | closesocket(sock); |
344 | return -1; | |
345 | } | |
346 | return sock; | |
347 | } | |
348 | ||
2942e420 DB |
349 | static struct addrinfo *inet_parse_connect_saddr(InetSocketAddress *saddr, |
350 | Error **errp) | |
05bc1d8a MT |
351 | { |
352 | struct addrinfo ai, *res; | |
353 | int rc; | |
2942e420 | 354 | Error *err = NULL; |
d247d25f | 355 | |
05bc1d8a | 356 | memset(&ai, 0, sizeof(ai)); |
233aa5c2 | 357 | |
3de3d698 | 358 | ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG; |
2942e420 | 359 | ai.ai_family = inet_ai_family_from_address(saddr, &err); |
f4c94c7c | 360 | ai.ai_socktype = SOCK_STREAM; |
d247d25f | 361 | |
2942e420 DB |
362 | if (err) { |
363 | error_propagate(errp, err); | |
05bc1d8a | 364 | return NULL; |
d247d25f AL |
365 | } |
366 | ||
2942e420 DB |
367 | if (saddr->host == NULL || saddr->port == NULL) { |
368 | error_setg(errp, "host and/or port not specified"); | |
369 | return NULL; | |
05bc1d8a | 370 | } |
d247d25f AL |
371 | |
372 | /* lookup */ | |
2942e420 | 373 | rc = getaddrinfo(saddr->host, saddr->port, &ai, &res); |
05bc1d8a | 374 | if (rc != 0) { |
2942e420 DB |
375 | error_setg(errp, "address resolution failed for %s:%s: %s", |
376 | saddr->host, saddr->port, gai_strerror(rc)); | |
05bc1d8a MT |
377 | return NULL; |
378 | } | |
379 | return res; | |
380 | } | |
381 | ||
5db5f44c OW |
382 | /** |
383 | * Create a socket and connect it to an address. | |
384 | * | |
2942e420 | 385 | * @saddr: Inet socket address specification |
5db5f44c | 386 | * @errp: set on error |
233aa5c2 OW |
387 | * @callback: callback function for non-blocking connect |
388 | * @opaque: opaque for callback function | |
5db5f44c OW |
389 | * |
390 | * Returns: -1 on error, file descriptor on success. | |
233aa5c2 OW |
391 | * |
392 | * If @callback is non-null, the connect is non-blocking. If this | |
393 | * function succeeds, callback will be called when the connection | |
394 | * completes, with the file descriptor on success, or -1 on error. | |
5db5f44c | 395 | */ |
2942e420 DB |
396 | static int inet_connect_saddr(InetSocketAddress *saddr, Error **errp, |
397 | NonBlockingConnectHandler *callback, void *opaque) | |
05bc1d8a | 398 | { |
3f9286b7 | 399 | Error *local_err = NULL; |
05bc1d8a MT |
400 | struct addrinfo *res, *e; |
401 | int sock = -1; | |
233aa5c2 OW |
402 | bool in_progress; |
403 | ConnectState *connect_state = NULL; | |
05bc1d8a | 404 | |
2942e420 | 405 | res = inet_parse_connect_saddr(saddr, errp); |
05bc1d8a MT |
406 | if (!res) { |
407 | return -1; | |
408 | } | |
409 | ||
233aa5c2 OW |
410 | if (callback != NULL) { |
411 | connect_state = g_malloc0(sizeof(*connect_state)); | |
412 | connect_state->addr_list = res; | |
413 | connect_state->callback = callback; | |
414 | connect_state->opaque = opaque; | |
d247d25f | 415 | } |
d247d25f AL |
416 | |
417 | for (e = res; e != NULL; e = e->ai_next) { | |
3f9286b7 MA |
418 | error_free(local_err); |
419 | local_err = NULL; | |
233aa5c2 OW |
420 | if (connect_state != NULL) { |
421 | connect_state->current_addr = e; | |
422 | } | |
3f9286b7 MA |
423 | sock = inet_connect_addr(e, &in_progress, connect_state, &local_err); |
424 | if (sock >= 0) { | |
05bc1d8a | 425 | break; |
a6ba35b3 | 426 | } |
d247d25f | 427 | } |
3f9286b7 MA |
428 | |
429 | if (sock < 0) { | |
430 | error_propagate(errp, local_err); | |
431 | } else if (in_progress) { | |
432 | /* wait_for_connect() will do the rest */ | |
433 | return sock; | |
434 | } else { | |
435 | if (callback) { | |
51795029 | 436 | callback(sock, NULL, opaque); |
3f9286b7 MA |
437 | } |
438 | } | |
233aa5c2 | 439 | g_free(connect_state); |
d247d25f | 440 | freeaddrinfo(res); |
05bc1d8a | 441 | return sock; |
d247d25f AL |
442 | } |
443 | ||
8b39910e DB |
444 | static int inet_dgram_saddr(InetSocketAddress *sraddr, |
445 | InetSocketAddress *sladdr, | |
446 | Error **errp) | |
7e1b35b4 GH |
447 | { |
448 | struct addrinfo ai, *peer = NULL, *local = NULL; | |
449 | const char *addr; | |
450 | const char *port; | |
7e1b35b4 | 451 | int sock = -1, rc; |
8b39910e | 452 | Error *err = NULL; |
7e1b35b4 GH |
453 | |
454 | /* lookup peer addr */ | |
455 | memset(&ai,0, sizeof(ai)); | |
3de3d698 | 456 | ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG; |
8b39910e | 457 | ai.ai_family = inet_ai_family_from_address(sraddr, &err); |
7e1b35b4 GH |
458 | ai.ai_socktype = SOCK_DGRAM; |
459 | ||
8b39910e DB |
460 | if (err) { |
461 | error_propagate(errp, err); | |
58c652c0 | 462 | goto err; |
8b39910e DB |
463 | } |
464 | ||
465 | addr = sraddr->host; | |
466 | port = sraddr->port; | |
7e1b35b4 GH |
467 | if (addr == NULL || strlen(addr) == 0) { |
468 | addr = "localhost"; | |
469 | } | |
470 | if (port == NULL || strlen(port) == 0) { | |
4f085c82 | 471 | error_setg(errp, "remote port not specified"); |
58c652c0 | 472 | goto err; |
7e1b35b4 GH |
473 | } |
474 | ||
7e1b35b4 | 475 | if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) { |
4f085c82 PB |
476 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
477 | gai_strerror(rc)); | |
58c652c0 | 478 | goto err; |
7e1b35b4 | 479 | } |
7e1b35b4 GH |
480 | |
481 | /* lookup local addr */ | |
482 | memset(&ai,0, sizeof(ai)); | |
483 | ai.ai_flags = AI_PASSIVE; | |
484 | ai.ai_family = peer->ai_family; | |
485 | ai.ai_socktype = SOCK_DGRAM; | |
486 | ||
8b39910e DB |
487 | if (sladdr) { |
488 | addr = sladdr->host; | |
489 | port = sladdr->port; | |
490 | if (addr == NULL || strlen(addr) == 0) { | |
491 | addr = NULL; | |
492 | } | |
493 | if (!port || strlen(port) == 0) { | |
494 | port = "0"; | |
495 | } | |
496 | } else { | |
7e1b35b4 | 497 | addr = NULL; |
7e1b35b4 | 498 | port = "0"; |
8b39910e | 499 | } |
7e1b35b4 GH |
500 | |
501 | if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) { | |
4f085c82 PB |
502 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
503 | gai_strerror(rc)); | |
39b38459 | 504 | goto err; |
7e1b35b4 | 505 | } |
7e1b35b4 GH |
506 | |
507 | /* create socket */ | |
40ff6d7e | 508 | sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); |
7e1b35b4 | 509 | if (sock < 0) { |
235256a2 | 510 | error_setg_errno(errp, errno, "Failed to create socket"); |
7e1b35b4 GH |
511 | goto err; |
512 | } | |
04fd1c78 | 513 | socket_set_fast_reuse(sock); |
7e1b35b4 GH |
514 | |
515 | /* bind socket */ | |
7e1b35b4 | 516 | if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { |
235256a2 | 517 | error_setg_errno(errp, errno, "Failed to bind socket"); |
7e1b35b4 GH |
518 | goto err; |
519 | } | |
520 | ||
521 | /* connect to peer */ | |
7e1b35b4 | 522 | if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { |
235256a2 | 523 | error_setg_errno(errp, errno, "Failed to connect socket"); |
7e1b35b4 GH |
524 | goto err; |
525 | } | |
526 | ||
527 | freeaddrinfo(local); | |
528 | freeaddrinfo(peer); | |
529 | return sock; | |
530 | ||
531 | err: | |
532 | if (-1 != sock) | |
533 | closesocket(sock); | |
534 | if (local) | |
535 | freeaddrinfo(local); | |
536 | if (peer) | |
537 | freeaddrinfo(peer); | |
538 | return -1; | |
539 | } | |
540 | ||
f4c94c7c | 541 | /* compatibility wrapper */ |
f17c90be | 542 | InetSocketAddress *inet_parse(const char *str, Error **errp) |
f4c94c7c | 543 | { |
879e45c7 | 544 | InetSocketAddress *addr; |
f4c94c7c | 545 | const char *optstr, *h; |
55a10996 | 546 | char host[65]; |
f4c94c7c | 547 | char port[33]; |
879e45c7 | 548 | int to; |
f4c94c7c GH |
549 | int pos; |
550 | ||
879e45c7 PB |
551 | addr = g_new0(InetSocketAddress, 1); |
552 | ||
f4c94c7c GH |
553 | /* parse address */ |
554 | if (str[0] == ':') { | |
555 | /* no host given */ | |
879e45c7 PB |
556 | host[0] = '\0'; |
557 | if (1 != sscanf(str, ":%32[^,]%n", port, &pos)) { | |
2f002c43 | 558 | error_setg(errp, "error parsing port in address '%s'", str); |
879e45c7 | 559 | goto fail; |
f4c94c7c GH |
560 | } |
561 | } else if (str[0] == '[') { | |
562 | /* IPv6 addr */ | |
879e45c7 | 563 | if (2 != sscanf(str, "[%64[^]]]:%32[^,]%n", host, port, &pos)) { |
2f002c43 | 564 | error_setg(errp, "error parsing IPv6 address '%s'", str); |
879e45c7 | 565 | goto fail; |
f4c94c7c | 566 | } |
879e45c7 | 567 | addr->ipv6 = addr->has_ipv6 = true; |
f4c94c7c | 568 | } else { |
391b7b97 | 569 | /* hostname or IPv4 addr */ |
879e45c7 | 570 | if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) { |
2f002c43 | 571 | error_setg(errp, "error parsing address '%s'", str); |
879e45c7 | 572 | goto fail; |
f4c94c7c | 573 | } |
391b7b97 JT |
574 | if (host[strspn(host, "0123456789.")] == '\0') { |
575 | addr->ipv4 = addr->has_ipv4 = true; | |
576 | } | |
f4c94c7c | 577 | } |
879e45c7 PB |
578 | |
579 | addr->host = g_strdup(host); | |
580 | addr->port = g_strdup(port); | |
f4c94c7c GH |
581 | |
582 | /* parse options */ | |
583 | optstr = str + pos; | |
584 | h = strstr(optstr, ",to="); | |
879e45c7 | 585 | if (h) { |
1ccbc285 AP |
586 | h += 4; |
587 | if (sscanf(h, "%d%n", &to, &pos) != 1 || | |
588 | (h[pos] != '\0' && h[pos] != ',')) { | |
879e45c7 PB |
589 | error_setg(errp, "error parsing to= argument"); |
590 | goto fail; | |
591 | } | |
592 | addr->has_to = true; | |
593 | addr->to = to; | |
594 | } | |
595 | if (strstr(optstr, ",ipv4")) { | |
596 | addr->ipv4 = addr->has_ipv4 = true; | |
597 | } | |
598 | if (strstr(optstr, ",ipv6")) { | |
599 | addr->ipv6 = addr->has_ipv6 = true; | |
600 | } | |
601 | return addr; | |
602 | ||
603 | fail: | |
604 | qapi_free_InetSocketAddress(addr); | |
605 | return NULL; | |
606 | } | |
607 | ||
e5bc776f | 608 | int inet_listen(const char *str, char *ostr, int olen, |
029409e5 | 609 | int socktype, int port_offset, Error **errp) |
e5bc776f | 610 | { |
e5bc776f GH |
611 | char *optstr; |
612 | int sock = -1; | |
879e45c7 | 613 | InetSocketAddress *addr; |
e5bc776f | 614 | |
879e45c7 PB |
615 | addr = inet_parse(str, errp); |
616 | if (addr != NULL) { | |
1856835d | 617 | sock = inet_listen_saddr(addr, port_offset, true, errp); |
e5bc776f GH |
618 | if (sock != -1 && ostr) { |
619 | optstr = strchr(str, ','); | |
1856835d | 620 | if (addr->ipv6) { |
e5bc776f | 621 | snprintf(ostr, olen, "[%s]:%s%s", |
1856835d DB |
622 | addr->host, |
623 | addr->port, | |
e5bc776f GH |
624 | optstr ? optstr : ""); |
625 | } else { | |
626 | snprintf(ostr, olen, "%s:%s%s", | |
1856835d DB |
627 | addr->host, |
628 | addr->port, | |
e5bc776f GH |
629 | optstr ? optstr : ""); |
630 | } | |
631 | } | |
1856835d | 632 | qapi_free_InetSocketAddress(addr); |
e5bc776f | 633 | } |
e5bc776f GH |
634 | return sock; |
635 | } | |
636 | ||
5db5f44c OW |
637 | /** |
638 | * Create a blocking socket and connect it to an address. | |
639 | * | |
640 | * @str: address string | |
641 | * @errp: set in case of an error | |
642 | * | |
643 | * Returns -1 in case of error, file descriptor on success | |
644 | **/ | |
645 | int inet_connect(const char *str, Error **errp) | |
f4c94c7c | 646 | { |
f4c94c7c | 647 | int sock = -1; |
879e45c7 | 648 | InetSocketAddress *addr; |
f4c94c7c | 649 | |
879e45c7 PB |
650 | addr = inet_parse(str, errp); |
651 | if (addr != NULL) { | |
2942e420 | 652 | sock = inet_connect_saddr(addr, errp, NULL, NULL); |
879e45c7 | 653 | qapi_free_InetSocketAddress(addr); |
5db5f44c | 654 | } |
5db5f44c OW |
655 | return sock; |
656 | } | |
657 | ||
658 | /** | |
659 | * Create a non-blocking socket and connect it to an address. | |
233aa5c2 OW |
660 | * Calls the callback function with fd in case of success or -1 in case of |
661 | * error. | |
5db5f44c OW |
662 | * |
663 | * @str: address string | |
233aa5c2 OW |
664 | * @callback: callback function that is called when connect completes, |
665 | * cannot be NULL. | |
666 | * @opaque: opaque for callback function | |
5db5f44c OW |
667 | * @errp: set in case of an error |
668 | * | |
233aa5c2 | 669 | * Returns: -1 on immediate error, file descriptor on success. |
5db5f44c | 670 | **/ |
233aa5c2 OW |
671 | int inet_nonblocking_connect(const char *str, |
672 | NonBlockingConnectHandler *callback, | |
673 | void *opaque, Error **errp) | |
5db5f44c | 674 | { |
5db5f44c | 675 | int sock = -1; |
879e45c7 | 676 | InetSocketAddress *addr; |
5db5f44c | 677 | |
233aa5c2 OW |
678 | g_assert(callback != NULL); |
679 | ||
879e45c7 PB |
680 | addr = inet_parse(str, errp); |
681 | if (addr != NULL) { | |
2942e420 | 682 | sock = inet_connect_saddr(addr, errp, callback, opaque); |
879e45c7 | 683 | qapi_free_InetSocketAddress(addr); |
a6ba35b3 | 684 | } |
f4c94c7c GH |
685 | return sock; |
686 | } | |
687 | ||
d247d25f AL |
688 | #ifndef _WIN32 |
689 | ||
1856835d DB |
690 | static int unix_listen_saddr(UnixSocketAddress *saddr, |
691 | bool update_addr, | |
692 | Error **errp) | |
d247d25f AL |
693 | { |
694 | struct sockaddr_un un; | |
62b6adfb | 695 | int sock, fd; |
d247d25f | 696 | |
40ff6d7e | 697 | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); |
d247d25f | 698 | if (sock < 0) { |
b658c53d | 699 | error_setg_errno(errp, errno, "Failed to create Unix socket"); |
39b6efc8 | 700 | return -1; |
d247d25f AL |
701 | } |
702 | ||
d247d25f AL |
703 | memset(&un, 0, sizeof(un)); |
704 | un.sun_family = AF_UNIX; | |
1856835d DB |
705 | if (saddr->path && strlen(saddr->path)) { |
706 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", saddr->path); | |
d247d25f | 707 | } else { |
b658c53d PB |
708 | const char *tmpdir = getenv("TMPDIR"); |
709 | tmpdir = tmpdir ? tmpdir : "/tmp"; | |
710 | if (snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX", | |
711 | tmpdir) >= sizeof(un.sun_path)) { | |
712 | error_setg_errno(errp, errno, | |
713 | "TMPDIR environment variable (%s) too large", tmpdir); | |
714 | goto err; | |
715 | } | |
716 | ||
d247d25f AL |
717 | /* |
718 | * This dummy fd usage silences the mktemp() unsecure warning. | |
719 | * Using mkstemp() doesn't make things more secure here | |
720 | * though. bind() complains about existing files, so we have | |
721 | * to unlink first and thus re-open the race window. The | |
722 | * worst case possible is bind() failing, i.e. a DoS attack. | |
723 | */ | |
b658c53d PB |
724 | fd = mkstemp(un.sun_path); |
725 | if (fd < 0) { | |
726 | error_setg_errno(errp, errno, | |
727 | "Failed to make a temporary socket name in %s", tmpdir); | |
728 | goto err; | |
729 | } | |
730 | close(fd); | |
1856835d DB |
731 | if (update_addr) { |
732 | g_free(saddr->path); | |
733 | saddr->path = g_strdup(un.sun_path); | |
734 | } | |
d247d25f | 735 | } |
d247d25f | 736 | |
a2f31f18 | 737 | if (unlink(un.sun_path) < 0 && errno != ENOENT) { |
0ef705a2 CR |
738 | error_setg_errno(errp, errno, |
739 | "Failed to unlink socket %s", un.sun_path); | |
740 | goto err; | |
741 | } | |
d247d25f | 742 | if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
b658c53d | 743 | error_setg_errno(errp, errno, "Failed to bind socket to %s", un.sun_path); |
d247d25f AL |
744 | goto err; |
745 | } | |
746 | if (listen(sock, 1) < 0) { | |
235256a2 | 747 | error_setg_errno(errp, errno, "Failed to listen on socket"); |
d247d25f AL |
748 | goto err; |
749 | } | |
750 | ||
d247d25f AL |
751 | return sock; |
752 | ||
753 | err: | |
d247d25f AL |
754 | closesocket(sock); |
755 | return -1; | |
756 | } | |
757 | ||
2942e420 DB |
758 | static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp, |
759 | NonBlockingConnectHandler *callback, void *opaque) | |
d247d25f AL |
760 | { |
761 | struct sockaddr_un un; | |
1fc05adf PB |
762 | ConnectState *connect_state = NULL; |
763 | int sock, rc; | |
d247d25f | 764 | |
2942e420 | 765 | if (saddr->path == NULL) { |
312fd5f2 | 766 | error_setg(errp, "unix connect: no path specified"); |
2af2bf67 GH |
767 | return -1; |
768 | } | |
769 | ||
40ff6d7e | 770 | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); |
d247d25f | 771 | if (sock < 0) { |
235256a2 | 772 | error_setg_errno(errp, errno, "Failed to create socket"); |
39b6efc8 | 773 | return -1; |
d247d25f | 774 | } |
1fc05adf PB |
775 | if (callback != NULL) { |
776 | connect_state = g_malloc0(sizeof(*connect_state)); | |
777 | connect_state->callback = callback; | |
778 | connect_state->opaque = opaque; | |
f9e8cacc | 779 | qemu_set_nonblock(sock); |
1fc05adf | 780 | } |
d247d25f AL |
781 | |
782 | memset(&un, 0, sizeof(un)); | |
783 | un.sun_family = AF_UNIX; | |
2942e420 | 784 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", saddr->path); |
1fc05adf PB |
785 | |
786 | /* connect to peer */ | |
787 | do { | |
788 | rc = 0; | |
789 | if (connect(sock, (struct sockaddr *) &un, sizeof(un)) < 0) { | |
b16a44e1 | 790 | rc = -errno; |
1fc05adf PB |
791 | } |
792 | } while (rc == -EINTR); | |
793 | ||
794 | if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) { | |
795 | connect_state->fd = sock; | |
82e1cc4b | 796 | qemu_set_fd_handler(sock, NULL, wait_for_connect, connect_state); |
1fc05adf PB |
797 | return sock; |
798 | } else if (rc >= 0) { | |
799 | /* non blocking socket immediate success, call callback */ | |
800 | if (callback != NULL) { | |
51795029 | 801 | callback(sock, NULL, opaque); |
1fc05adf PB |
802 | } |
803 | } | |
804 | ||
805 | if (rc < 0) { | |
235256a2 | 806 | error_setg_errno(errp, -rc, "Failed to connect socket"); |
9d947472 | 807 | close(sock); |
1fc05adf | 808 | sock = -1; |
d247d25f AL |
809 | } |
810 | ||
1fc05adf | 811 | g_free(connect_state); |
d247d25f AL |
812 | return sock; |
813 | } | |
814 | ||
0c814709 PB |
815 | #else |
816 | ||
1856835d DB |
817 | static int unix_listen_saddr(UnixSocketAddress *saddr, |
818 | bool update_addr, | |
819 | Error **errp) | |
0c814709 | 820 | { |
58899664 | 821 | error_setg(errp, "unix sockets are not available on windows"); |
0c814709 PB |
822 | errno = ENOTSUP; |
823 | return -1; | |
824 | } | |
825 | ||
2942e420 DB |
826 | static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp, |
827 | NonBlockingConnectHandler *callback, void *opaque) | |
0c814709 | 828 | { |
58899664 | 829 | error_setg(errp, "unix sockets are not available on windows"); |
0c814709 PB |
830 | errno = ENOTSUP; |
831 | return -1; | |
832 | } | |
833 | #endif | |
834 | ||
2af2bf67 | 835 | /* compatibility wrapper */ |
7fc4e63e | 836 | int unix_listen(const char *str, char *ostr, int olen, Error **errp) |
62b6adfb | 837 | { |
62b6adfb GH |
838 | char *path, *optstr; |
839 | int sock, len; | |
1856835d | 840 | UnixSocketAddress *saddr; |
62b6adfb | 841 | |
1856835d | 842 | saddr = g_new0(UnixSocketAddress, 1); |
62b6adfb GH |
843 | |
844 | optstr = strchr(str, ','); | |
845 | if (optstr) { | |
846 | len = optstr - str; | |
847 | if (len) { | |
7267c094 | 848 | path = g_malloc(len+1); |
62b6adfb | 849 | snprintf(path, len+1, "%.*s", len, str); |
1856835d | 850 | saddr->path = path; |
62b6adfb GH |
851 | } |
852 | } else { | |
1856835d | 853 | saddr->path = g_strdup(str); |
62b6adfb GH |
854 | } |
855 | ||
1856835d | 856 | sock = unix_listen_saddr(saddr, true, errp); |
62b6adfb GH |
857 | |
858 | if (sock != -1 && ostr) | |
1856835d DB |
859 | snprintf(ostr, olen, "%s%s", saddr->path, optstr ? optstr : ""); |
860 | qapi_free_UnixSocketAddress(saddr); | |
62b6adfb GH |
861 | return sock; |
862 | } | |
863 | ||
7fc4e63e | 864 | int unix_connect(const char *path, Error **errp) |
2af2bf67 | 865 | { |
2942e420 | 866 | UnixSocketAddress *saddr; |
2af2bf67 GH |
867 | int sock; |
868 | ||
2942e420 DB |
869 | saddr = g_new0(UnixSocketAddress, 1); |
870 | saddr->path = g_strdup(path); | |
871 | sock = unix_connect_saddr(saddr, errp, NULL, NULL); | |
872 | qapi_free_UnixSocketAddress(saddr); | |
1fc05adf PB |
873 | return sock; |
874 | } | |
875 | ||
876 | ||
877 | int unix_nonblocking_connect(const char *path, | |
878 | NonBlockingConnectHandler *callback, | |
879 | void *opaque, Error **errp) | |
880 | { | |
2942e420 | 881 | UnixSocketAddress *saddr; |
1fc05adf PB |
882 | int sock = -1; |
883 | ||
884 | g_assert(callback != NULL); | |
885 | ||
2942e420 DB |
886 | saddr = g_new0(UnixSocketAddress, 1); |
887 | saddr->path = g_strdup(path); | |
888 | sock = unix_connect_saddr(saddr, errp, callback, opaque); | |
889 | qapi_free_UnixSocketAddress(saddr); | |
2af2bf67 GH |
890 | return sock; |
891 | } | |
892 | ||
101f9cbc PB |
893 | SocketAddress *socket_parse(const char *str, Error **errp) |
894 | { | |
afde3f8b | 895 | SocketAddress *addr; |
101f9cbc | 896 | |
afde3f8b | 897 | addr = g_new0(SocketAddress, 1); |
101f9cbc PB |
898 | if (strstart(str, "unix:", NULL)) { |
899 | if (str[5] == '\0') { | |
312fd5f2 | 900 | error_setg(errp, "invalid Unix socket address"); |
101f9cbc PB |
901 | goto fail; |
902 | } else { | |
2d32adda | 903 | addr->type = SOCKET_ADDRESS_KIND_UNIX; |
32bafa8f EB |
904 | addr->u.q_unix.data = g_new(UnixSocketAddress, 1); |
905 | addr->u.q_unix.data->path = g_strdup(str + 5); | |
101f9cbc PB |
906 | } |
907 | } else if (strstart(str, "fd:", NULL)) { | |
908 | if (str[3] == '\0') { | |
312fd5f2 | 909 | error_setg(errp, "invalid file descriptor address"); |
101f9cbc PB |
910 | goto fail; |
911 | } else { | |
2d32adda | 912 | addr->type = SOCKET_ADDRESS_KIND_FD; |
32bafa8f EB |
913 | addr->u.fd.data = g_new(String, 1); |
914 | addr->u.fd.data->str = g_strdup(str + 3); | |
101f9cbc PB |
915 | } |
916 | } else { | |
2d32adda | 917 | addr->type = SOCKET_ADDRESS_KIND_INET; |
32bafa8f EB |
918 | addr->u.inet.data = inet_parse(str, errp); |
919 | if (addr->u.inet.data == NULL) { | |
101f9cbc PB |
920 | goto fail; |
921 | } | |
922 | } | |
923 | return addr; | |
924 | ||
925 | fail: | |
926 | qapi_free_SocketAddress(addr); | |
927 | return NULL; | |
928 | } | |
929 | ||
930 | int socket_connect(SocketAddress *addr, Error **errp, | |
931 | NonBlockingConnectHandler *callback, void *opaque) | |
932 | { | |
101f9cbc PB |
933 | int fd; |
934 | ||
2d32adda | 935 | switch (addr->type) { |
101f9cbc | 936 | case SOCKET_ADDRESS_KIND_INET: |
32bafa8f | 937 | fd = inet_connect_saddr(addr->u.inet.data, errp, callback, opaque); |
101f9cbc PB |
938 | break; |
939 | ||
940 | case SOCKET_ADDRESS_KIND_UNIX: | |
32bafa8f | 941 | fd = unix_connect_saddr(addr->u.q_unix.data, errp, callback, opaque); |
101f9cbc PB |
942 | break; |
943 | ||
944 | case SOCKET_ADDRESS_KIND_FD: | |
32bafa8f | 945 | fd = monitor_get_fd(cur_mon, addr->u.fd.data->str, errp); |
d1ec72a4 | 946 | if (fd >= 0 && callback) { |
1a751ebf | 947 | qemu_set_nonblock(fd); |
51795029 | 948 | callback(fd, NULL, opaque); |
101f9cbc PB |
949 | } |
950 | break; | |
951 | ||
952 | default: | |
953 | abort(); | |
954 | } | |
101f9cbc PB |
955 | return fd; |
956 | } | |
957 | ||
958 | int socket_listen(SocketAddress *addr, Error **errp) | |
959 | { | |
101f9cbc PB |
960 | int fd; |
961 | ||
2d32adda | 962 | switch (addr->type) { |
101f9cbc | 963 | case SOCKET_ADDRESS_KIND_INET: |
32bafa8f | 964 | fd = inet_listen_saddr(addr->u.inet.data, 0, false, errp); |
101f9cbc PB |
965 | break; |
966 | ||
967 | case SOCKET_ADDRESS_KIND_UNIX: | |
32bafa8f | 968 | fd = unix_listen_saddr(addr->u.q_unix.data, false, errp); |
101f9cbc PB |
969 | break; |
970 | ||
971 | case SOCKET_ADDRESS_KIND_FD: | |
32bafa8f | 972 | fd = monitor_get_fd(cur_mon, addr->u.fd.data->str, errp); |
101f9cbc PB |
973 | break; |
974 | ||
975 | default: | |
976 | abort(); | |
977 | } | |
101f9cbc PB |
978 | return fd; |
979 | } | |
980 | ||
3ecc059d GH |
981 | int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp) |
982 | { | |
3ecc059d GH |
983 | int fd; |
984 | ||
2d32adda | 985 | switch (remote->type) { |
3ecc059d | 986 | case SOCKET_ADDRESS_KIND_INET: |
32bafa8f EB |
987 | fd = inet_dgram_saddr(remote->u.inet.data, |
988 | local ? local->u.inet.data : NULL, errp); | |
3ecc059d GH |
989 | break; |
990 | ||
991 | default: | |
992 | error_setg(errp, "socket type unsupported for datagram"); | |
7a5b6af1 | 993 | fd = -1; |
3ecc059d | 994 | } |
3ecc059d GH |
995 | return fd; |
996 | } | |
17c55dec DB |
997 | |
998 | ||
999 | static SocketAddress * | |
1000 | socket_sockaddr_to_address_inet(struct sockaddr_storage *sa, | |
1001 | socklen_t salen, | |
1002 | Error **errp) | |
1003 | { | |
1004 | char host[NI_MAXHOST]; | |
1005 | char serv[NI_MAXSERV]; | |
1006 | SocketAddress *addr; | |
0399293e | 1007 | InetSocketAddress *inet; |
17c55dec DB |
1008 | int ret; |
1009 | ||
1010 | ret = getnameinfo((struct sockaddr *)sa, salen, | |
1011 | host, sizeof(host), | |
1012 | serv, sizeof(serv), | |
1013 | NI_NUMERICHOST | NI_NUMERICSERV); | |
1014 | if (ret != 0) { | |
1015 | error_setg(errp, "Cannot format numeric socket address: %s", | |
1016 | gai_strerror(ret)); | |
1017 | return NULL; | |
1018 | } | |
1019 | ||
1020 | addr = g_new0(SocketAddress, 1); | |
2d32adda | 1021 | addr->type = SOCKET_ADDRESS_KIND_INET; |
32bafa8f | 1022 | inet = addr->u.inet.data = g_new0(InetSocketAddress, 1); |
0399293e EB |
1023 | inet->host = g_strdup(host); |
1024 | inet->port = g_strdup(serv); | |
17c55dec | 1025 | if (sa->ss_family == AF_INET) { |
0399293e | 1026 | inet->has_ipv4 = inet->ipv4 = true; |
17c55dec | 1027 | } else { |
0399293e | 1028 | inet->has_ipv6 = inet->ipv6 = true; |
17c55dec DB |
1029 | } |
1030 | ||
1031 | return addr; | |
1032 | } | |
1033 | ||
1034 | ||
1035 | #ifndef WIN32 | |
1036 | static SocketAddress * | |
1037 | socket_sockaddr_to_address_unix(struct sockaddr_storage *sa, | |
1038 | socklen_t salen, | |
1039 | Error **errp) | |
1040 | { | |
1041 | SocketAddress *addr; | |
1042 | struct sockaddr_un *su = (struct sockaddr_un *)sa; | |
1043 | ||
1044 | addr = g_new0(SocketAddress, 1); | |
2d32adda | 1045 | addr->type = SOCKET_ADDRESS_KIND_UNIX; |
32bafa8f | 1046 | addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
17c55dec | 1047 | if (su->sun_path[0]) { |
32bafa8f EB |
1048 | addr->u.q_unix.data->path = g_strndup(su->sun_path, |
1049 | sizeof(su->sun_path)); | |
17c55dec DB |
1050 | } |
1051 | ||
1052 | return addr; | |
1053 | } | |
1054 | #endif /* WIN32 */ | |
1055 | ||
559607ea | 1056 | SocketAddress * |
17c55dec DB |
1057 | socket_sockaddr_to_address(struct sockaddr_storage *sa, |
1058 | socklen_t salen, | |
1059 | Error **errp) | |
1060 | { | |
1061 | switch (sa->ss_family) { | |
1062 | case AF_INET: | |
1063 | case AF_INET6: | |
1064 | return socket_sockaddr_to_address_inet(sa, salen, errp); | |
1065 | ||
1066 | #ifndef WIN32 | |
1067 | case AF_UNIX: | |
1068 | return socket_sockaddr_to_address_unix(sa, salen, errp); | |
1069 | #endif /* WIN32 */ | |
1070 | ||
1071 | default: | |
1072 | error_setg(errp, "socket family %d unsupported", | |
1073 | sa->ss_family); | |
1074 | return NULL; | |
1075 | } | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | ||
1080 | SocketAddress *socket_local_address(int fd, Error **errp) | |
1081 | { | |
1082 | struct sockaddr_storage ss; | |
1083 | socklen_t sslen = sizeof(ss); | |
1084 | ||
1085 | if (getsockname(fd, (struct sockaddr *)&ss, &sslen) < 0) { | |
b16a44e1 | 1086 | error_setg_errno(errp, errno, "%s", |
17c55dec DB |
1087 | "Unable to query local socket address"); |
1088 | return NULL; | |
1089 | } | |
1090 | ||
1091 | return socket_sockaddr_to_address(&ss, sslen, errp); | |
1092 | } | |
1093 | ||
1094 | ||
1095 | SocketAddress *socket_remote_address(int fd, Error **errp) | |
1096 | { | |
1097 | struct sockaddr_storage ss; | |
1098 | socklen_t sslen = sizeof(ss); | |
1099 | ||
1100 | if (getpeername(fd, (struct sockaddr *)&ss, &sslen) < 0) { | |
b16a44e1 | 1101 | error_setg_errno(errp, errno, "%s", |
17c55dec DB |
1102 | "Unable to query remote socket address"); |
1103 | return NULL; | |
1104 | } | |
1105 | ||
1106 | return socket_sockaddr_to_address(&ss, sslen, errp); | |
1107 | } | |
2a8e21c7 DB |
1108 | |
1109 | ||
1110 | void qapi_copy_SocketAddress(SocketAddress **p_dest, | |
1111 | SocketAddress *src) | |
1112 | { | |
1113 | QmpOutputVisitor *qov; | |
1114 | QmpInputVisitor *qiv; | |
1115 | Visitor *ov, *iv; | |
1116 | QObject *obj; | |
1117 | ||
1118 | *p_dest = NULL; | |
1119 | ||
1120 | qov = qmp_output_visitor_new(); | |
1121 | ov = qmp_output_get_visitor(qov); | |
51e72bc1 | 1122 | visit_type_SocketAddress(ov, NULL, &src, &error_abort); |
2a8e21c7 DB |
1123 | obj = qmp_output_get_qobject(qov); |
1124 | qmp_output_visitor_cleanup(qov); | |
1125 | if (!obj) { | |
1126 | return; | |
1127 | } | |
1128 | ||
1129 | qiv = qmp_input_visitor_new(obj); | |
1130 | iv = qmp_input_get_visitor(qiv); | |
51e72bc1 | 1131 | visit_type_SocketAddress(iv, NULL, p_dest, &error_abort); |
2a8e21c7 DB |
1132 | qmp_input_visitor_cleanup(qiv); |
1133 | qobject_decref(obj); | |
1134 | } |