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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. | |
14 | */ | |
d247d25f AL |
15 | #include <stdio.h> |
16 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | #include <ctype.h> | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | #include "qemu_socket.h" | |
47398b9c | 23 | #include "qemu-common.h" /* for qemu_isdigit */ |
d247d25f AL |
24 | |
25 | #ifndef AI_ADDRCONFIG | |
26 | # define AI_ADDRCONFIG 0 | |
27 | #endif | |
28 | ||
29 | static int sockets_debug = 0; | |
30 | static const int on=1, off=0; | |
31 | ||
2af2bf67 GH |
32 | /* used temporarely until all users are converted to QemuOpts */ |
33 | QemuOptsList dummy_opts = { | |
34 | .name = "dummy", | |
35 | .head = TAILQ_HEAD_INITIALIZER(dummy_opts.head), | |
36 | .desc = { | |
37 | { | |
38 | .name = "path", | |
39 | .type = QEMU_OPT_STRING, | |
f4c94c7c GH |
40 | },{ |
41 | .name = "host", | |
42 | .type = QEMU_OPT_STRING, | |
43 | },{ | |
44 | .name = "port", | |
45 | .type = QEMU_OPT_STRING, | |
46 | },{ | |
47 | .name = "to", | |
48 | .type = QEMU_OPT_NUMBER, | |
49 | },{ | |
50 | .name = "ipv4", | |
51 | .type = QEMU_OPT_BOOL, | |
52 | },{ | |
53 | .name = "ipv6", | |
54 | .type = QEMU_OPT_BOOL, | |
2af2bf67 GH |
55 | }, |
56 | { /* end if list */ } | |
57 | }, | |
58 | }; | |
59 | ||
d247d25f AL |
60 | static int inet_getport(struct addrinfo *e) |
61 | { | |
62 | struct sockaddr_in *i4; | |
63 | struct sockaddr_in6 *i6; | |
64 | ||
65 | switch (e->ai_family) { | |
66 | case PF_INET6: | |
67 | i6 = (void*)e->ai_addr; | |
68 | return ntohs(i6->sin6_port); | |
69 | case PF_INET: | |
70 | i4 = (void*)e->ai_addr; | |
71 | return ntohs(i4->sin_port); | |
72 | default: | |
73 | return 0; | |
74 | } | |
75 | } | |
76 | ||
77 | static void inet_setport(struct addrinfo *e, int port) | |
78 | { | |
79 | struct sockaddr_in *i4; | |
80 | struct sockaddr_in6 *i6; | |
81 | ||
82 | switch (e->ai_family) { | |
83 | case PF_INET6: | |
84 | i6 = (void*)e->ai_addr; | |
85 | i6->sin6_port = htons(port); | |
86 | break; | |
87 | case PF_INET: | |
88 | i4 = (void*)e->ai_addr; | |
89 | i4->sin_port = htons(port); | |
90 | break; | |
91 | } | |
92 | } | |
93 | ||
94 | static const char *inet_strfamily(int family) | |
95 | { | |
96 | switch (family) { | |
97 | case PF_INET6: return "ipv6"; | |
98 | case PF_INET: return "ipv4"; | |
99 | case PF_UNIX: return "unix"; | |
100 | } | |
101 | return "????"; | |
102 | } | |
103 | ||
104 | static void inet_print_addrinfo(const char *tag, struct addrinfo *res) | |
105 | { | |
106 | struct addrinfo *e; | |
107 | char uaddr[INET6_ADDRSTRLEN+1]; | |
108 | char uport[33]; | |
109 | ||
110 | for (e = res; e != NULL; e = e->ai_next) { | |
111 | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, | |
112 | uaddr,INET6_ADDRSTRLEN,uport,32, | |
113 | NI_NUMERICHOST | NI_NUMERICSERV); | |
114 | fprintf(stderr,"%s: getaddrinfo: family %s, host %s, port %s\n", | |
115 | tag, inet_strfamily(e->ai_family), uaddr, uport); | |
116 | } | |
117 | } | |
118 | ||
119 | int inet_listen(const char *str, char *ostr, int olen, | |
120 | int socktype, int port_offset) | |
121 | { | |
122 | struct addrinfo ai,*res,*e; | |
123 | char addr[64]; | |
124 | char port[33]; | |
125 | char uaddr[INET6_ADDRSTRLEN+1]; | |
126 | char uport[33]; | |
127 | const char *opts, *h; | |
128 | int slisten,rc,pos,to,try_next; | |
129 | ||
130 | memset(&ai,0, sizeof(ai)); | |
131 | ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG; | |
132 | ai.ai_family = PF_UNSPEC; | |
133 | ai.ai_socktype = socktype; | |
134 | ||
135 | /* parse address */ | |
136 | if (str[0] == ':') { | |
137 | /* no host given */ | |
bc575e95 | 138 | addr[0] = '\0'; |
d247d25f AL |
139 | if (1 != sscanf(str,":%32[^,]%n",port,&pos)) { |
140 | fprintf(stderr, "%s: portonly parse error (%s)\n", | |
141 | __FUNCTION__, str); | |
142 | return -1; | |
143 | } | |
144 | } else if (str[0] == '[') { | |
145 | /* IPv6 addr */ | |
146 | if (2 != sscanf(str,"[%64[^]]]:%32[^,]%n",addr,port,&pos)) { | |
147 | fprintf(stderr, "%s: ipv6 parse error (%s)\n", | |
148 | __FUNCTION__, str); | |
149 | return -1; | |
150 | } | |
151 | ai.ai_family = PF_INET6; | |
47398b9c | 152 | } else if (qemu_isdigit(str[0])) { |
d247d25f AL |
153 | /* IPv4 addr */ |
154 | if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) { | |
155 | fprintf(stderr, "%s: ipv4 parse error (%s)\n", | |
156 | __FUNCTION__, str); | |
157 | return -1; | |
158 | } | |
159 | ai.ai_family = PF_INET; | |
160 | } else { | |
161 | /* hostname */ | |
162 | if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) { | |
163 | fprintf(stderr, "%s: hostname parse error (%s)\n", | |
164 | __FUNCTION__, str); | |
165 | return -1; | |
166 | } | |
167 | } | |
168 | ||
169 | /* parse options */ | |
170 | opts = str + pos; | |
171 | h = strstr(opts, ",to="); | |
172 | to = h ? atoi(h+4) : 0; | |
173 | if (strstr(opts, ",ipv4")) | |
174 | ai.ai_family = PF_INET; | |
175 | if (strstr(opts, ",ipv6")) | |
176 | ai.ai_family = PF_INET6; | |
177 | ||
178 | /* lookup */ | |
179 | if (port_offset) | |
180 | snprintf(port, sizeof(port), "%d", atoi(port) + port_offset); | |
181 | rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res); | |
182 | if (rc != 0) { | |
183 | fprintf(stderr,"%s: getaddrinfo(%s,%s): %s\n", __FUNCTION__, | |
184 | addr, port, gai_strerror(rc)); | |
185 | return -1; | |
186 | } | |
187 | if (sockets_debug) | |
188 | inet_print_addrinfo(__FUNCTION__, res); | |
189 | ||
190 | /* create socket + bind */ | |
191 | for (e = res; e != NULL; e = e->ai_next) { | |
39b6efc8 | 192 | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
193 | uaddr,INET6_ADDRSTRLEN,uport,32, | |
194 | NI_NUMERICHOST | NI_NUMERICSERV); | |
d247d25f | 195 | slisten = socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
39b6efc8 | 196 | if (slisten < 0) { |
d247d25f AL |
197 | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__, |
198 | inet_strfamily(e->ai_family), strerror(errno)); | |
39b6efc8 | 199 | continue; |
200 | } | |
d247d25f AL |
201 | |
202 | setsockopt(slisten,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); | |
203 | #ifdef IPV6_V6ONLY | |
204 | if (e->ai_family == PF_INET6) { | |
205 | /* listen on both ipv4 and ipv6 */ | |
39b6efc8 | 206 | setsockopt(slisten,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&off, |
207 | sizeof(off)); | |
d247d25f AL |
208 | } |
209 | #endif | |
210 | ||
211 | for (;;) { | |
212 | if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { | |
213 | if (sockets_debug) | |
214 | fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__, | |
39b6efc8 | 215 | inet_strfamily(e->ai_family), uaddr, inet_getport(e)); |
d247d25f AL |
216 | goto listen; |
217 | } | |
218 | try_next = to && (inet_getport(e) <= to + port_offset); | |
219 | if (!try_next || sockets_debug) | |
220 | fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__, | |
221 | inet_strfamily(e->ai_family), uaddr, inet_getport(e), | |
222 | strerror(errno)); | |
223 | if (try_next) { | |
224 | inet_setport(e, inet_getport(e) + 1); | |
225 | continue; | |
226 | } | |
227 | break; | |
228 | } | |
229 | closesocket(slisten); | |
230 | } | |
231 | fprintf(stderr, "%s: FAILED\n", __FUNCTION__); | |
232 | freeaddrinfo(res); | |
233 | return -1; | |
234 | ||
235 | listen: | |
236 | if (listen(slisten,1) != 0) { | |
237 | perror("listen"); | |
238 | closesocket(slisten); | |
39b6efc8 | 239 | freeaddrinfo(res); |
d247d25f AL |
240 | return -1; |
241 | } | |
242 | if (ostr) { | |
243 | if (e->ai_family == PF_INET6) { | |
244 | snprintf(ostr, olen, "[%s]:%d%s", uaddr, | |
245 | inet_getport(e) - port_offset, opts); | |
246 | } else { | |
247 | snprintf(ostr, olen, "%s:%d%s", uaddr, | |
248 | inet_getport(e) - port_offset, opts); | |
249 | } | |
250 | } | |
251 | freeaddrinfo(res); | |
252 | return slisten; | |
253 | } | |
254 | ||
f4c94c7c | 255 | int inet_connect_opts(QemuOpts *opts) |
d247d25f AL |
256 | { |
257 | struct addrinfo ai,*res,*e; | |
f4c94c7c GH |
258 | const char *addr; |
259 | const char *port; | |
d247d25f AL |
260 | char uaddr[INET6_ADDRSTRLEN+1]; |
261 | char uport[33]; | |
262 | int sock,rc; | |
263 | ||
264 | memset(&ai,0, sizeof(ai)); | |
265 | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; | |
266 | ai.ai_family = PF_UNSPEC; | |
f4c94c7c | 267 | ai.ai_socktype = SOCK_STREAM; |
d247d25f | 268 | |
f4c94c7c GH |
269 | addr = qemu_opt_get(opts, "host"); |
270 | port = qemu_opt_get(opts, "port"); | |
271 | if (addr == NULL || port == NULL) { | |
272 | fprintf(stderr, "inet_connect: host and/or port not specified\n"); | |
273 | return -1; | |
d247d25f AL |
274 | } |
275 | ||
f4c94c7c | 276 | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
d247d25f | 277 | ai.ai_family = PF_INET; |
f4c94c7c | 278 | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
d247d25f AL |
279 | ai.ai_family = PF_INET6; |
280 | ||
281 | /* lookup */ | |
282 | if (0 != (rc = getaddrinfo(addr, port, &ai, &res))) { | |
f4c94c7c GH |
283 | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port, |
284 | gai_strerror(rc)); | |
d247d25f AL |
285 | return -1; |
286 | } | |
287 | if (sockets_debug) | |
288 | inet_print_addrinfo(__FUNCTION__, res); | |
289 | ||
290 | for (e = res; e != NULL; e = e->ai_next) { | |
39b6efc8 | 291 | if (getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
292 | uaddr,INET6_ADDRSTRLEN,uport,32, | |
293 | NI_NUMERICHOST | NI_NUMERICSERV) != 0) { | |
d247d25f | 294 | fprintf(stderr,"%s: getnameinfo: oops\n", __FUNCTION__); |
39b6efc8 | 295 | continue; |
296 | } | |
d247d25f | 297 | sock = socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
39b6efc8 | 298 | if (sock < 0) { |
d247d25f | 299 | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__, |
39b6efc8 | 300 | inet_strfamily(e->ai_family), strerror(errno)); |
301 | continue; | |
302 | } | |
d247d25f AL |
303 | setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
304 | ||
39b6efc8 | 305 | /* connect to peer */ |
306 | if (connect(sock,e->ai_addr,e->ai_addrlen) < 0) { | |
d247d25f AL |
307 | if (sockets_debug || NULL == e->ai_next) |
308 | fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__, | |
309 | inet_strfamily(e->ai_family), | |
310 | e->ai_canonname, uaddr, uport, strerror(errno)); | |
311 | closesocket(sock); | |
39b6efc8 | 312 | continue; |
313 | } | |
d247d25f AL |
314 | if (sockets_debug) |
315 | fprintf(stderr, "%s: connect(%s,%s,%s,%s): OK\n", __FUNCTION__, | |
316 | inet_strfamily(e->ai_family), | |
317 | e->ai_canonname, uaddr, uport); | |
318 | freeaddrinfo(res); | |
39b6efc8 | 319 | return sock; |
d247d25f AL |
320 | } |
321 | freeaddrinfo(res); | |
322 | return -1; | |
323 | } | |
324 | ||
f4c94c7c GH |
325 | /* compatibility wrapper */ |
326 | static int inet_parse(QemuOpts *opts, const char *str) | |
327 | { | |
328 | const char *optstr, *h; | |
329 | char addr[64]; | |
330 | char port[33]; | |
331 | int pos; | |
332 | ||
333 | /* parse address */ | |
334 | if (str[0] == ':') { | |
335 | /* no host given */ | |
336 | addr[0] = '\0'; | |
337 | if (1 != sscanf(str,":%32[^,]%n",port,&pos)) { | |
338 | fprintf(stderr, "%s: portonly parse error (%s)\n", | |
339 | __FUNCTION__, str); | |
340 | return -1; | |
341 | } | |
342 | } else if (str[0] == '[') { | |
343 | /* IPv6 addr */ | |
344 | if (2 != sscanf(str,"[%64[^]]]:%32[^,]%n",addr,port,&pos)) { | |
345 | fprintf(stderr, "%s: ipv6 parse error (%s)\n", | |
346 | __FUNCTION__, str); | |
347 | return -1; | |
348 | } | |
349 | qemu_opt_set(opts, "ipv6", "yes"); | |
350 | } else if (qemu_isdigit(str[0])) { | |
351 | /* IPv4 addr */ | |
352 | if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) { | |
353 | fprintf(stderr, "%s: ipv4 parse error (%s)\n", | |
354 | __FUNCTION__, str); | |
355 | return -1; | |
356 | } | |
357 | qemu_opt_set(opts, "ipv4", "yes"); | |
358 | } else { | |
359 | /* hostname */ | |
360 | if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) { | |
361 | fprintf(stderr, "%s: hostname parse error (%s)\n", | |
362 | __FUNCTION__, str); | |
363 | return -1; | |
364 | } | |
365 | } | |
366 | qemu_opt_set(opts, "host", addr); | |
367 | qemu_opt_set(opts, "port", port); | |
368 | ||
369 | /* parse options */ | |
370 | optstr = str + pos; | |
371 | h = strstr(optstr, ",to="); | |
372 | if (h) | |
373 | qemu_opt_set(opts, "to", h+4); | |
374 | if (strstr(optstr, ",ipv4")) | |
375 | qemu_opt_set(opts, "ipv4", "yes"); | |
376 | if (strstr(optstr, ",ipv6")) | |
377 | qemu_opt_set(opts, "ipv6", "yes"); | |
378 | return 0; | |
379 | } | |
380 | ||
381 | int inet_connect(const char *str, int socktype) | |
382 | { | |
383 | QemuOpts *opts; | |
384 | int sock = -1; | |
385 | ||
386 | opts = qemu_opts_create(&dummy_opts, NULL, 0); | |
387 | if (inet_parse(opts, str) == 0) | |
388 | sock = inet_connect_opts(opts); | |
389 | qemu_opts_del(opts); | |
390 | return sock; | |
391 | } | |
392 | ||
d247d25f AL |
393 | #ifndef _WIN32 |
394 | ||
62b6adfb | 395 | int unix_listen_opts(QemuOpts *opts) |
d247d25f AL |
396 | { |
397 | struct sockaddr_un un; | |
62b6adfb GH |
398 | const char *path = qemu_opt_get(opts, "path"); |
399 | int sock, fd; | |
d247d25f AL |
400 | |
401 | sock = socket(PF_UNIX, SOCK_STREAM, 0); | |
402 | if (sock < 0) { | |
39b6efc8 | 403 | perror("socket(unix)"); |
404 | return -1; | |
d247d25f AL |
405 | } |
406 | ||
d247d25f AL |
407 | memset(&un, 0, sizeof(un)); |
408 | un.sun_family = AF_UNIX; | |
409 | if (path && strlen(path)) { | |
410 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); | |
411 | } else { | |
412 | char *tmpdir = getenv("TMPDIR"); | |
413 | snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX", | |
414 | tmpdir ? tmpdir : "/tmp"); | |
415 | /* | |
416 | * This dummy fd usage silences the mktemp() unsecure warning. | |
417 | * Using mkstemp() doesn't make things more secure here | |
418 | * though. bind() complains about existing files, so we have | |
419 | * to unlink first and thus re-open the race window. The | |
420 | * worst case possible is bind() failing, i.e. a DoS attack. | |
421 | */ | |
422 | fd = mkstemp(un.sun_path); close(fd); | |
62b6adfb | 423 | qemu_opt_set(opts, "path", un.sun_path); |
d247d25f | 424 | } |
d247d25f AL |
425 | |
426 | unlink(un.sun_path); | |
427 | if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { | |
428 | fprintf(stderr, "bind(unix:%s): %s\n", un.sun_path, strerror(errno)); | |
429 | goto err; | |
430 | } | |
431 | if (listen(sock, 1) < 0) { | |
432 | fprintf(stderr, "listen(unix:%s): %s\n", un.sun_path, strerror(errno)); | |
433 | goto err; | |
434 | } | |
435 | ||
436 | if (sockets_debug) | |
437 | fprintf(stderr, "bind(unix:%s): OK\n", un.sun_path); | |
d247d25f AL |
438 | return sock; |
439 | ||
440 | err: | |
d247d25f AL |
441 | closesocket(sock); |
442 | return -1; | |
443 | } | |
444 | ||
2af2bf67 | 445 | int unix_connect_opts(QemuOpts *opts) |
d247d25f AL |
446 | { |
447 | struct sockaddr_un un; | |
2af2bf67 | 448 | const char *path = qemu_opt_get(opts, "path"); |
d247d25f AL |
449 | int sock; |
450 | ||
2af2bf67 GH |
451 | if (NULL == path) { |
452 | fprintf(stderr, "unix connect: no path specified\n"); | |
453 | return -1; | |
454 | } | |
455 | ||
d247d25f AL |
456 | sock = socket(PF_UNIX, SOCK_STREAM, 0); |
457 | if (sock < 0) { | |
39b6efc8 | 458 | perror("socket(unix)"); |
459 | return -1; | |
d247d25f AL |
460 | } |
461 | ||
462 | memset(&un, 0, sizeof(un)); | |
463 | un.sun_family = AF_UNIX; | |
464 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); | |
465 | if (connect(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { | |
466 | fprintf(stderr, "connect(unix:%s): %s\n", path, strerror(errno)); | |
467 | return -1; | |
468 | } | |
469 | ||
470 | if (sockets_debug) | |
471 | fprintf(stderr, "connect(unix:%s): OK\n", path); | |
472 | return sock; | |
473 | } | |
474 | ||
2af2bf67 | 475 | /* compatibility wrapper */ |
62b6adfb GH |
476 | int unix_listen(const char *str, char *ostr, int olen) |
477 | { | |
478 | QemuOpts *opts; | |
479 | char *path, *optstr; | |
480 | int sock, len; | |
481 | ||
482 | opts = qemu_opts_create(&dummy_opts, NULL, 0); | |
483 | ||
484 | optstr = strchr(str, ','); | |
485 | if (optstr) { | |
486 | len = optstr - str; | |
487 | if (len) { | |
488 | path = qemu_malloc(len+1); | |
489 | snprintf(path, len+1, "%.*s", len, str); | |
490 | qemu_opt_set(opts, "path", path); | |
491 | qemu_free(path); | |
492 | } | |
493 | } else { | |
494 | qemu_opt_set(opts, "path", str); | |
495 | } | |
496 | ||
497 | sock = unix_listen_opts(opts); | |
498 | ||
499 | if (sock != -1 && ostr) | |
500 | snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : ""); | |
501 | qemu_opts_del(opts); | |
502 | return sock; | |
503 | } | |
504 | ||
2af2bf67 GH |
505 | int unix_connect(const char *path) |
506 | { | |
507 | QemuOpts *opts; | |
508 | int sock; | |
509 | ||
510 | opts = qemu_opts_create(&dummy_opts, NULL, 0); | |
511 | qemu_opt_set(opts, "path", path); | |
512 | sock = unix_connect_opts(opts); | |
513 | qemu_opts_del(opts); | |
514 | return sock; | |
515 | } | |
516 | ||
d247d25f AL |
517 | #else |
518 | ||
108af7b9 GH |
519 | int unix_listen_opts(QemuOpts *opts) |
520 | { | |
521 | fprintf(stderr, "unix sockets are not available on windows\n"); | |
522 | return -1; | |
523 | } | |
524 | ||
525 | int unix_connect_opts(QemuOpts *opts) | |
526 | { | |
527 | fprintf(stderr, "unix sockets are not available on windows\n"); | |
528 | return -1; | |
529 | } | |
530 | ||
d247d25f AL |
531 | int unix_listen(const char *path, char *ostr, int olen) |
532 | { | |
533 | fprintf(stderr, "unix sockets are not available on windows\n"); | |
534 | return -1; | |
535 | } | |
536 | ||
537 | int unix_connect(const char *path) | |
538 | { | |
539 | fprintf(stderr, "unix sockets are not available on windows\n"); | |
540 | return -1; | |
541 | } | |
542 | ||
543 | #endif |