root / qemu-sockets.c @ 6ce2d77a
History | View | Annotate | Download (17.5 kB)
1 | 305b0eb2 | aliguori | /*
|
---|---|---|---|
2 | 305b0eb2 | aliguori | * inet and unix socket functions for qemu
|
3 | 305b0eb2 | aliguori | *
|
4 | 305b0eb2 | aliguori | * (c) 2008 Gerd Hoffmann <kraxel@redhat.com>
|
5 | 305b0eb2 | aliguori | *
|
6 | 305b0eb2 | aliguori | * This program is free software; you can redistribute it and/or modify
|
7 | 305b0eb2 | aliguori | * it under the terms of the GNU General Public License as published by
|
8 | 305b0eb2 | aliguori | * the Free Software Foundation; under version 2 of the License.
|
9 | 305b0eb2 | aliguori | *
|
10 | 305b0eb2 | aliguori | * This program is distributed in the hope that it will be useful,
|
11 | 305b0eb2 | aliguori | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 | 305b0eb2 | aliguori | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 | 305b0eb2 | aliguori | * GNU General Public License for more details.
|
14 | 305b0eb2 | aliguori | */
|
15 | d247d25f | aliguori | #include <stdio.h> |
16 | d247d25f | aliguori | #include <stdlib.h> |
17 | d247d25f | aliguori | #include <string.h> |
18 | d247d25f | aliguori | #include <ctype.h> |
19 | d247d25f | aliguori | #include <errno.h> |
20 | d247d25f | aliguori | #include <unistd.h> |
21 | d247d25f | aliguori | |
22 | d247d25f | aliguori | #include "qemu_socket.h" |
23 | 47398b9c | blueswir1 | #include "qemu-common.h" /* for qemu_isdigit */ |
24 | d247d25f | aliguori | |
25 | d247d25f | aliguori | #ifndef AI_ADDRCONFIG
|
26 | d247d25f | aliguori | # define AI_ADDRCONFIG 0 |
27 | d247d25f | aliguori | #endif
|
28 | d247d25f | aliguori | |
29 | d247d25f | aliguori | static const int on=1, off=0; |
30 | d247d25f | aliguori | |
31 | 2af2bf67 | Gerd Hoffmann | /* used temporarely until all users are converted to QemuOpts */
|
32 | c1390903 | Blue Swirl | static QemuOptsList dummy_opts = {
|
33 | 2af2bf67 | Gerd Hoffmann | .name = "dummy",
|
34 | 72cf2d4f | Blue Swirl | .head = QTAILQ_HEAD_INITIALIZER(dummy_opts.head), |
35 | 2af2bf67 | Gerd Hoffmann | .desc = { |
36 | 2af2bf67 | Gerd Hoffmann | { |
37 | 2af2bf67 | Gerd Hoffmann | .name = "path",
|
38 | 2af2bf67 | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
39 | f4c94c7c | Gerd Hoffmann | },{ |
40 | f4c94c7c | Gerd Hoffmann | .name = "host",
|
41 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
42 | f4c94c7c | Gerd Hoffmann | },{ |
43 | f4c94c7c | Gerd Hoffmann | .name = "port",
|
44 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
45 | f4c94c7c | Gerd Hoffmann | },{ |
46 | f4c94c7c | Gerd Hoffmann | .name = "to",
|
47 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_NUMBER, |
48 | f4c94c7c | Gerd Hoffmann | },{ |
49 | f4c94c7c | Gerd Hoffmann | .name = "ipv4",
|
50 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_BOOL, |
51 | f4c94c7c | Gerd Hoffmann | },{ |
52 | f4c94c7c | Gerd Hoffmann | .name = "ipv6",
|
53 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_BOOL, |
54 | 2af2bf67 | Gerd Hoffmann | }, |
55 | 2af2bf67 | Gerd Hoffmann | { /* end if list */ }
|
56 | 2af2bf67 | Gerd Hoffmann | }, |
57 | 2af2bf67 | Gerd Hoffmann | }; |
58 | 2af2bf67 | Gerd Hoffmann | |
59 | d247d25f | aliguori | static int inet_getport(struct addrinfo *e) |
60 | d247d25f | aliguori | { |
61 | d247d25f | aliguori | struct sockaddr_in *i4;
|
62 | d247d25f | aliguori | struct sockaddr_in6 *i6;
|
63 | d247d25f | aliguori | |
64 | d247d25f | aliguori | switch (e->ai_family) {
|
65 | d247d25f | aliguori | case PF_INET6:
|
66 | d247d25f | aliguori | i6 = (void*)e->ai_addr;
|
67 | d247d25f | aliguori | return ntohs(i6->sin6_port);
|
68 | d247d25f | aliguori | case PF_INET:
|
69 | d247d25f | aliguori | i4 = (void*)e->ai_addr;
|
70 | d247d25f | aliguori | return ntohs(i4->sin_port);
|
71 | d247d25f | aliguori | default:
|
72 | d247d25f | aliguori | return 0; |
73 | d247d25f | aliguori | } |
74 | d247d25f | aliguori | } |
75 | d247d25f | aliguori | |
76 | d247d25f | aliguori | static void inet_setport(struct addrinfo *e, int port) |
77 | d247d25f | aliguori | { |
78 | d247d25f | aliguori | struct sockaddr_in *i4;
|
79 | d247d25f | aliguori | struct sockaddr_in6 *i6;
|
80 | d247d25f | aliguori | |
81 | d247d25f | aliguori | switch (e->ai_family) {
|
82 | d247d25f | aliguori | case PF_INET6:
|
83 | d247d25f | aliguori | i6 = (void*)e->ai_addr;
|
84 | d247d25f | aliguori | i6->sin6_port = htons(port); |
85 | d247d25f | aliguori | break;
|
86 | d247d25f | aliguori | case PF_INET:
|
87 | d247d25f | aliguori | i4 = (void*)e->ai_addr;
|
88 | d247d25f | aliguori | i4->sin_port = htons(port); |
89 | d247d25f | aliguori | break;
|
90 | d247d25f | aliguori | } |
91 | d247d25f | aliguori | } |
92 | d247d25f | aliguori | |
93 | c9c4b34e | Luiz Capitulino | const char *inet_strfamily(int family) |
94 | d247d25f | aliguori | { |
95 | d247d25f | aliguori | switch (family) {
|
96 | d247d25f | aliguori | case PF_INET6: return "ipv6"; |
97 | d247d25f | aliguori | case PF_INET: return "ipv4"; |
98 | d247d25f | aliguori | case PF_UNIX: return "unix"; |
99 | d247d25f | aliguori | } |
100 | c445321e | Luiz Capitulino | return "unknown"; |
101 | d247d25f | aliguori | } |
102 | d247d25f | aliguori | |
103 | e5bc776f | Gerd Hoffmann | int inet_listen_opts(QemuOpts *opts, int port_offset) |
104 | d247d25f | aliguori | { |
105 | d247d25f | aliguori | struct addrinfo ai,*res,*e;
|
106 | e5bc776f | Gerd Hoffmann | const char *addr; |
107 | d247d25f | aliguori | char port[33]; |
108 | d247d25f | aliguori | char uaddr[INET6_ADDRSTRLEN+1]; |
109 | d247d25f | aliguori | char uport[33]; |
110 | 877691f9 | Markus Armbruster | int slisten, rc, to, port_min, port_max, p;
|
111 | d247d25f | aliguori | |
112 | d247d25f | aliguori | memset(&ai,0, sizeof(ai)); |
113 | d247d25f | aliguori | ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG; |
114 | d247d25f | aliguori | ai.ai_family = PF_UNSPEC; |
115 | e5bc776f | Gerd Hoffmann | ai.ai_socktype = SOCK_STREAM; |
116 | d247d25f | aliguori | |
117 | e23a22e6 | Jens Osterkamp | if ((qemu_opt_get(opts, "host") == NULL) || |
118 | e23a22e6 | Jens Osterkamp | (qemu_opt_get(opts, "port") == NULL)) { |
119 | e5bc776f | Gerd Hoffmann | fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
|
120 | e5bc776f | Gerd Hoffmann | return -1; |
121 | d247d25f | aliguori | } |
122 | e5bc776f | Gerd Hoffmann | pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port")); |
123 | e5bc776f | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
|
124 | d247d25f | aliguori | |
125 | e5bc776f | Gerd Hoffmann | to = qemu_opt_get_number(opts, "to", 0); |
126 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
127 | d247d25f | aliguori | ai.ai_family = PF_INET; |
128 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
129 | d247d25f | aliguori | ai.ai_family = PF_INET6; |
130 | d247d25f | aliguori | |
131 | d247d25f | aliguori | /* lookup */
|
132 | d247d25f | aliguori | if (port_offset)
|
133 | d247d25f | aliguori | snprintf(port, sizeof(port), "%d", atoi(port) + port_offset); |
134 | d247d25f | aliguori | rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
|
135 | d247d25f | aliguori | if (rc != 0) { |
136 | e5bc776f | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
137 | e5bc776f | Gerd Hoffmann | gai_strerror(rc)); |
138 | d247d25f | aliguori | return -1; |
139 | d247d25f | aliguori | } |
140 | d247d25f | aliguori | |
141 | d247d25f | aliguori | /* create socket + bind */
|
142 | d247d25f | aliguori | for (e = res; e != NULL; e = e->ai_next) { |
143 | 39b6efc8 | vibi | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
|
144 | 39b6efc8 | vibi | uaddr,INET6_ADDRSTRLEN,uport,32,
|
145 | 39b6efc8 | vibi | NI_NUMERICHOST | NI_NUMERICSERV); |
146 | 40ff6d7e | Kevin Wolf | slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
147 | 39b6efc8 | vibi | if (slisten < 0) { |
148 | d247d25f | aliguori | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
|
149 | d247d25f | aliguori | inet_strfamily(e->ai_family), strerror(errno)); |
150 | 39b6efc8 | vibi | continue;
|
151 | 39b6efc8 | vibi | } |
152 | d247d25f | aliguori | |
153 | d247d25f | aliguori | setsockopt(slisten,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
154 | d247d25f | aliguori | #ifdef IPV6_V6ONLY
|
155 | d247d25f | aliguori | if (e->ai_family == PF_INET6) {
|
156 | d247d25f | aliguori | /* listen on both ipv4 and ipv6 */
|
157 | 39b6efc8 | vibi | setsockopt(slisten,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&off,
|
158 | 39b6efc8 | vibi | sizeof(off));
|
159 | d247d25f | aliguori | } |
160 | d247d25f | aliguori | #endif
|
161 | d247d25f | aliguori | |
162 | 877691f9 | Markus Armbruster | port_min = inet_getport(e); |
163 | 877691f9 | Markus Armbruster | port_max = to ? to + port_offset : port_min; |
164 | 877691f9 | Markus Armbruster | for (p = port_min; p <= port_max; p++) {
|
165 | 877691f9 | Markus Armbruster | inet_setport(e, p); |
166 | d247d25f | aliguori | if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { |
167 | d247d25f | aliguori | goto listen;
|
168 | d247d25f | aliguori | } |
169 | 877691f9 | Markus Armbruster | if (p == port_max) {
|
170 | d247d25f | aliguori | fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__,
|
171 | d247d25f | aliguori | inet_strfamily(e->ai_family), uaddr, inet_getport(e), |
172 | d247d25f | aliguori | strerror(errno)); |
173 | d247d25f | aliguori | } |
174 | d247d25f | aliguori | } |
175 | d247d25f | aliguori | closesocket(slisten); |
176 | d247d25f | aliguori | } |
177 | d247d25f | aliguori | fprintf(stderr, "%s: FAILED\n", __FUNCTION__);
|
178 | d247d25f | aliguori | freeaddrinfo(res); |
179 | d247d25f | aliguori | return -1; |
180 | d247d25f | aliguori | |
181 | d247d25f | aliguori | listen:
|
182 | d247d25f | aliguori | if (listen(slisten,1) != 0) { |
183 | d247d25f | aliguori | perror("listen");
|
184 | d247d25f | aliguori | closesocket(slisten); |
185 | 39b6efc8 | vibi | freeaddrinfo(res); |
186 | d247d25f | aliguori | return -1; |
187 | d247d25f | aliguori | } |
188 | e5bc776f | Gerd Hoffmann | snprintf(uport, sizeof(uport), "%d", inet_getport(e) - port_offset); |
189 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "host", uaddr);
|
190 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "port", uport);
|
191 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "ipv6", (e->ai_family == PF_INET6) ? "on" : "off"); |
192 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "ipv4", (e->ai_family != PF_INET6) ? "on" : "off"); |
193 | d247d25f | aliguori | freeaddrinfo(res); |
194 | d247d25f | aliguori | return slisten;
|
195 | d247d25f | aliguori | } |
196 | d247d25f | aliguori | |
197 | f4c94c7c | Gerd Hoffmann | int inet_connect_opts(QemuOpts *opts)
|
198 | d247d25f | aliguori | { |
199 | d247d25f | aliguori | struct addrinfo ai,*res,*e;
|
200 | f4c94c7c | Gerd Hoffmann | const char *addr; |
201 | f4c94c7c | Gerd Hoffmann | const char *port; |
202 | d247d25f | aliguori | char uaddr[INET6_ADDRSTRLEN+1]; |
203 | d247d25f | aliguori | char uport[33]; |
204 | d247d25f | aliguori | int sock,rc;
|
205 | d247d25f | aliguori | |
206 | d247d25f | aliguori | memset(&ai,0, sizeof(ai)); |
207 | d247d25f | aliguori | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
208 | d247d25f | aliguori | ai.ai_family = PF_UNSPEC; |
209 | f4c94c7c | Gerd Hoffmann | ai.ai_socktype = SOCK_STREAM; |
210 | d247d25f | aliguori | |
211 | f4c94c7c | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
|
212 | f4c94c7c | Gerd Hoffmann | port = qemu_opt_get(opts, "port");
|
213 | f4c94c7c | Gerd Hoffmann | if (addr == NULL || port == NULL) { |
214 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "inet_connect: host and/or port not specified\n");
|
215 | f4c94c7c | Gerd Hoffmann | return -1; |
216 | d247d25f | aliguori | } |
217 | d247d25f | aliguori | |
218 | f4c94c7c | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
219 | d247d25f | aliguori | ai.ai_family = PF_INET; |
220 | f4c94c7c | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
221 | d247d25f | aliguori | ai.ai_family = PF_INET6; |
222 | d247d25f | aliguori | |
223 | d247d25f | aliguori | /* lookup */
|
224 | d247d25f | aliguori | if (0 != (rc = getaddrinfo(addr, port, &ai, &res))) { |
225 | f4c94c7c | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
226 | f4c94c7c | Gerd Hoffmann | gai_strerror(rc)); |
227 | d247d25f | aliguori | return -1; |
228 | d247d25f | aliguori | } |
229 | d247d25f | aliguori | |
230 | d247d25f | aliguori | for (e = res; e != NULL; e = e->ai_next) { |
231 | 39b6efc8 | vibi | if (getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
232 | 39b6efc8 | vibi | uaddr,INET6_ADDRSTRLEN,uport,32,
|
233 | 39b6efc8 | vibi | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
|
234 | d247d25f | aliguori | fprintf(stderr,"%s: getnameinfo: oops\n", __FUNCTION__);
|
235 | 39b6efc8 | vibi | continue;
|
236 | 39b6efc8 | vibi | } |
237 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
238 | 39b6efc8 | vibi | if (sock < 0) { |
239 | d247d25f | aliguori | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
|
240 | 39b6efc8 | vibi | inet_strfamily(e->ai_family), strerror(errno)); |
241 | 39b6efc8 | vibi | continue;
|
242 | 39b6efc8 | vibi | } |
243 | d247d25f | aliguori | setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
244 | d247d25f | aliguori | |
245 | 39b6efc8 | vibi | /* connect to peer */
|
246 | 39b6efc8 | vibi | if (connect(sock,e->ai_addr,e->ai_addrlen) < 0) { |
247 | 136faa36 | Markus Armbruster | if (NULL == e->ai_next) |
248 | d247d25f | aliguori | fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
|
249 | d247d25f | aliguori | inet_strfamily(e->ai_family), |
250 | d247d25f | aliguori | e->ai_canonname, uaddr, uport, strerror(errno)); |
251 | d247d25f | aliguori | closesocket(sock); |
252 | 39b6efc8 | vibi | continue;
|
253 | 39b6efc8 | vibi | } |
254 | d247d25f | aliguori | freeaddrinfo(res); |
255 | 39b6efc8 | vibi | return sock;
|
256 | d247d25f | aliguori | } |
257 | d247d25f | aliguori | freeaddrinfo(res); |
258 | d247d25f | aliguori | return -1; |
259 | d247d25f | aliguori | } |
260 | d247d25f | aliguori | |
261 | 7e1b35b4 | Gerd Hoffmann | int inet_dgram_opts(QemuOpts *opts)
|
262 | 7e1b35b4 | Gerd Hoffmann | { |
263 | 7e1b35b4 | Gerd Hoffmann | struct addrinfo ai, *peer = NULL, *local = NULL; |
264 | 7e1b35b4 | Gerd Hoffmann | const char *addr; |
265 | 7e1b35b4 | Gerd Hoffmann | const char *port; |
266 | 7e1b35b4 | Gerd Hoffmann | char uaddr[INET6_ADDRSTRLEN+1]; |
267 | 7e1b35b4 | Gerd Hoffmann | char uport[33]; |
268 | 7e1b35b4 | Gerd Hoffmann | int sock = -1, rc; |
269 | 7e1b35b4 | Gerd Hoffmann | |
270 | 7e1b35b4 | Gerd Hoffmann | /* lookup peer addr */
|
271 | 7e1b35b4 | Gerd Hoffmann | memset(&ai,0, sizeof(ai)); |
272 | 7e1b35b4 | Gerd Hoffmann | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
273 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_UNSPEC; |
274 | 7e1b35b4 | Gerd Hoffmann | ai.ai_socktype = SOCK_DGRAM; |
275 | 7e1b35b4 | Gerd Hoffmann | |
276 | 7e1b35b4 | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
|
277 | 7e1b35b4 | Gerd Hoffmann | port = qemu_opt_get(opts, "port");
|
278 | 7e1b35b4 | Gerd Hoffmann | if (addr == NULL || strlen(addr) == 0) { |
279 | 7e1b35b4 | Gerd Hoffmann | addr = "localhost";
|
280 | 7e1b35b4 | Gerd Hoffmann | } |
281 | 7e1b35b4 | Gerd Hoffmann | if (port == NULL || strlen(port) == 0) { |
282 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "inet_dgram: port not specified\n");
|
283 | 7e1b35b4 | Gerd Hoffmann | return -1; |
284 | 7e1b35b4 | Gerd Hoffmann | } |
285 | 7e1b35b4 | Gerd Hoffmann | |
286 | 7e1b35b4 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
287 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_INET; |
288 | 7e1b35b4 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
289 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_INET6; |
290 | 7e1b35b4 | Gerd Hoffmann | |
291 | 7e1b35b4 | Gerd Hoffmann | if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) { |
292 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
293 | 7e1b35b4 | Gerd Hoffmann | gai_strerror(rc)); |
294 | 7e1b35b4 | Gerd Hoffmann | return -1; |
295 | 7e1b35b4 | Gerd Hoffmann | } |
296 | 7e1b35b4 | Gerd Hoffmann | |
297 | 7e1b35b4 | Gerd Hoffmann | /* lookup local addr */
|
298 | 7e1b35b4 | Gerd Hoffmann | memset(&ai,0, sizeof(ai)); |
299 | 7e1b35b4 | Gerd Hoffmann | ai.ai_flags = AI_PASSIVE; |
300 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = peer->ai_family; |
301 | 7e1b35b4 | Gerd Hoffmann | ai.ai_socktype = SOCK_DGRAM; |
302 | 7e1b35b4 | Gerd Hoffmann | |
303 | 7e1b35b4 | Gerd Hoffmann | addr = qemu_opt_get(opts, "localaddr");
|
304 | 7e1b35b4 | Gerd Hoffmann | port = qemu_opt_get(opts, "localport");
|
305 | 7e1b35b4 | Gerd Hoffmann | if (addr == NULL || strlen(addr) == 0) { |
306 | 7e1b35b4 | Gerd Hoffmann | addr = NULL;
|
307 | 7e1b35b4 | Gerd Hoffmann | } |
308 | 7e1b35b4 | Gerd Hoffmann | if (!port || strlen(port) == 0) |
309 | 7e1b35b4 | Gerd Hoffmann | port = "0";
|
310 | 7e1b35b4 | Gerd Hoffmann | |
311 | 7e1b35b4 | Gerd Hoffmann | if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) { |
312 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
313 | 7e1b35b4 | Gerd Hoffmann | gai_strerror(rc)); |
314 | 7e1b35b4 | Gerd Hoffmann | return -1; |
315 | 7e1b35b4 | Gerd Hoffmann | } |
316 | 7e1b35b4 | Gerd Hoffmann | |
317 | 7e1b35b4 | Gerd Hoffmann | /* create socket */
|
318 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); |
319 | 7e1b35b4 | Gerd Hoffmann | if (sock < 0) { |
320 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
|
321 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(peer->ai_family), strerror(errno)); |
322 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
323 | 7e1b35b4 | Gerd Hoffmann | } |
324 | 7e1b35b4 | Gerd Hoffmann | setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
325 | 7e1b35b4 | Gerd Hoffmann | |
326 | 7e1b35b4 | Gerd Hoffmann | /* bind socket */
|
327 | 7e1b35b4 | Gerd Hoffmann | if (getnameinfo((struct sockaddr*)local->ai_addr,local->ai_addrlen, |
328 | 7e1b35b4 | Gerd Hoffmann | uaddr,INET6_ADDRSTRLEN,uport,32,
|
329 | 7e1b35b4 | Gerd Hoffmann | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
|
330 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
|
331 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
332 | 7e1b35b4 | Gerd Hoffmann | } |
333 | 7e1b35b4 | Gerd Hoffmann | if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { |
334 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
|
335 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(local->ai_family), uaddr, inet_getport(local)); |
336 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
337 | 7e1b35b4 | Gerd Hoffmann | } |
338 | 7e1b35b4 | Gerd Hoffmann | |
339 | 7e1b35b4 | Gerd Hoffmann | /* connect to peer */
|
340 | 7e1b35b4 | Gerd Hoffmann | if (getnameinfo((struct sockaddr*)peer->ai_addr, peer->ai_addrlen, |
341 | 7e1b35b4 | Gerd Hoffmann | uaddr, INET6_ADDRSTRLEN, uport, 32,
|
342 | 7e1b35b4 | Gerd Hoffmann | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
|
343 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
|
344 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
345 | 7e1b35b4 | Gerd Hoffmann | } |
346 | 7e1b35b4 | Gerd Hoffmann | if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { |
347 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
|
348 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(peer->ai_family), |
349 | 7e1b35b4 | Gerd Hoffmann | peer->ai_canonname, uaddr, uport, strerror(errno)); |
350 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
351 | 7e1b35b4 | Gerd Hoffmann | } |
352 | 7e1b35b4 | Gerd Hoffmann | |
353 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(local); |
354 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(peer); |
355 | 7e1b35b4 | Gerd Hoffmann | return sock;
|
356 | 7e1b35b4 | Gerd Hoffmann | |
357 | 7e1b35b4 | Gerd Hoffmann | err:
|
358 | 7e1b35b4 | Gerd Hoffmann | if (-1 != sock) |
359 | 7e1b35b4 | Gerd Hoffmann | closesocket(sock); |
360 | 7e1b35b4 | Gerd Hoffmann | if (local)
|
361 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(local); |
362 | 7e1b35b4 | Gerd Hoffmann | if (peer)
|
363 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(peer); |
364 | 7e1b35b4 | Gerd Hoffmann | return -1; |
365 | 7e1b35b4 | Gerd Hoffmann | } |
366 | 7e1b35b4 | Gerd Hoffmann | |
367 | f4c94c7c | Gerd Hoffmann | /* compatibility wrapper */
|
368 | f4c94c7c | Gerd Hoffmann | static int inet_parse(QemuOpts *opts, const char *str) |
369 | f4c94c7c | Gerd Hoffmann | { |
370 | f4c94c7c | Gerd Hoffmann | const char *optstr, *h; |
371 | f4c94c7c | Gerd Hoffmann | char addr[64]; |
372 | f4c94c7c | Gerd Hoffmann | char port[33]; |
373 | f4c94c7c | Gerd Hoffmann | int pos;
|
374 | f4c94c7c | Gerd Hoffmann | |
375 | f4c94c7c | Gerd Hoffmann | /* parse address */
|
376 | f4c94c7c | Gerd Hoffmann | if (str[0] == ':') { |
377 | f4c94c7c | Gerd Hoffmann | /* no host given */
|
378 | f4c94c7c | Gerd Hoffmann | addr[0] = '\0'; |
379 | f4c94c7c | Gerd Hoffmann | if (1 != sscanf(str,":%32[^,]%n",port,&pos)) { |
380 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: portonly parse error (%s)\n",
|
381 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
382 | f4c94c7c | Gerd Hoffmann | return -1; |
383 | f4c94c7c | Gerd Hoffmann | } |
384 | f4c94c7c | Gerd Hoffmann | } else if (str[0] == '[') { |
385 | f4c94c7c | Gerd Hoffmann | /* IPv6 addr */
|
386 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"[%64[^]]]:%32[^,]%n",addr,port,&pos)) { |
387 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: ipv6 parse error (%s)\n",
|
388 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
389 | f4c94c7c | Gerd Hoffmann | return -1; |
390 | f4c94c7c | Gerd Hoffmann | } |
391 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv6", "on"); |
392 | f4c94c7c | Gerd Hoffmann | } else if (qemu_isdigit(str[0])) { |
393 | f4c94c7c | Gerd Hoffmann | /* IPv4 addr */
|
394 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) { |
395 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: ipv4 parse error (%s)\n",
|
396 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
397 | f4c94c7c | Gerd Hoffmann | return -1; |
398 | f4c94c7c | Gerd Hoffmann | } |
399 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv4", "on"); |
400 | f4c94c7c | Gerd Hoffmann | } else {
|
401 | f4c94c7c | Gerd Hoffmann | /* hostname */
|
402 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) { |
403 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: hostname parse error (%s)\n",
|
404 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
405 | f4c94c7c | Gerd Hoffmann | return -1; |
406 | f4c94c7c | Gerd Hoffmann | } |
407 | f4c94c7c | Gerd Hoffmann | } |
408 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "host", addr);
|
409 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
410 | f4c94c7c | Gerd Hoffmann | |
411 | f4c94c7c | Gerd Hoffmann | /* parse options */
|
412 | f4c94c7c | Gerd Hoffmann | optstr = str + pos; |
413 | f4c94c7c | Gerd Hoffmann | h = strstr(optstr, ",to=");
|
414 | f4c94c7c | Gerd Hoffmann | if (h)
|
415 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "to", h+4); |
416 | f4c94c7c | Gerd Hoffmann | if (strstr(optstr, ",ipv4")) |
417 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv4", "on"); |
418 | f4c94c7c | Gerd Hoffmann | if (strstr(optstr, ",ipv6")) |
419 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv6", "on"); |
420 | f4c94c7c | Gerd Hoffmann | return 0; |
421 | f4c94c7c | Gerd Hoffmann | } |
422 | f4c94c7c | Gerd Hoffmann | |
423 | e5bc776f | Gerd Hoffmann | int inet_listen(const char *str, char *ostr, int olen, |
424 | e5bc776f | Gerd Hoffmann | int socktype, int port_offset) |
425 | e5bc776f | Gerd Hoffmann | { |
426 | e5bc776f | Gerd Hoffmann | QemuOpts *opts; |
427 | e5bc776f | Gerd Hoffmann | char *optstr;
|
428 | e5bc776f | Gerd Hoffmann | int sock = -1; |
429 | e5bc776f | Gerd Hoffmann | |
430 | e5bc776f | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
431 | e5bc776f | Gerd Hoffmann | if (inet_parse(opts, str) == 0) { |
432 | e5bc776f | Gerd Hoffmann | sock = inet_listen_opts(opts, port_offset); |
433 | e5bc776f | Gerd Hoffmann | if (sock != -1 && ostr) { |
434 | e5bc776f | Gerd Hoffmann | optstr = strchr(str, ',');
|
435 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) { |
436 | e5bc776f | Gerd Hoffmann | snprintf(ostr, olen, "[%s]:%s%s",
|
437 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "host"),
|
438 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "port"),
|
439 | e5bc776f | Gerd Hoffmann | optstr ? optstr : "");
|
440 | e5bc776f | Gerd Hoffmann | } else {
|
441 | e5bc776f | Gerd Hoffmann | snprintf(ostr, olen, "%s:%s%s",
|
442 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "host"),
|
443 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "port"),
|
444 | e5bc776f | Gerd Hoffmann | optstr ? optstr : "");
|
445 | e5bc776f | Gerd Hoffmann | } |
446 | e5bc776f | Gerd Hoffmann | } |
447 | e5bc776f | Gerd Hoffmann | } |
448 | e5bc776f | Gerd Hoffmann | qemu_opts_del(opts); |
449 | e5bc776f | Gerd Hoffmann | return sock;
|
450 | e5bc776f | Gerd Hoffmann | } |
451 | e5bc776f | Gerd Hoffmann | |
452 | f4c94c7c | Gerd Hoffmann | int inet_connect(const char *str, int socktype) |
453 | f4c94c7c | Gerd Hoffmann | { |
454 | f4c94c7c | Gerd Hoffmann | QemuOpts *opts; |
455 | f4c94c7c | Gerd Hoffmann | int sock = -1; |
456 | f4c94c7c | Gerd Hoffmann | |
457 | f4c94c7c | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
458 | f4c94c7c | Gerd Hoffmann | if (inet_parse(opts, str) == 0) |
459 | f4c94c7c | Gerd Hoffmann | sock = inet_connect_opts(opts); |
460 | f4c94c7c | Gerd Hoffmann | qemu_opts_del(opts); |
461 | f4c94c7c | Gerd Hoffmann | return sock;
|
462 | f4c94c7c | Gerd Hoffmann | } |
463 | f4c94c7c | Gerd Hoffmann | |
464 | d247d25f | aliguori | #ifndef _WIN32
|
465 | d247d25f | aliguori | |
466 | 62b6adfb | Gerd Hoffmann | int unix_listen_opts(QemuOpts *opts)
|
467 | d247d25f | aliguori | { |
468 | d247d25f | aliguori | struct sockaddr_un un;
|
469 | 62b6adfb | Gerd Hoffmann | const char *path = qemu_opt_get(opts, "path"); |
470 | 62b6adfb | Gerd Hoffmann | int sock, fd;
|
471 | d247d25f | aliguori | |
472 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
|
473 | d247d25f | aliguori | if (sock < 0) { |
474 | 39b6efc8 | vibi | perror("socket(unix)");
|
475 | 39b6efc8 | vibi | return -1; |
476 | d247d25f | aliguori | } |
477 | d247d25f | aliguori | |
478 | d247d25f | aliguori | memset(&un, 0, sizeof(un)); |
479 | d247d25f | aliguori | un.sun_family = AF_UNIX; |
480 | d247d25f | aliguori | if (path && strlen(path)) {
|
481 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
482 | d247d25f | aliguori | } else {
|
483 | d247d25f | aliguori | char *tmpdir = getenv("TMPDIR"); |
484 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX", |
485 | d247d25f | aliguori | tmpdir ? tmpdir : "/tmp");
|
486 | d247d25f | aliguori | /*
|
487 | d247d25f | aliguori | * This dummy fd usage silences the mktemp() unsecure warning.
|
488 | d247d25f | aliguori | * Using mkstemp() doesn't make things more secure here
|
489 | d247d25f | aliguori | * though. bind() complains about existing files, so we have
|
490 | d247d25f | aliguori | * to unlink first and thus re-open the race window. The
|
491 | d247d25f | aliguori | * worst case possible is bind() failing, i.e. a DoS attack.
|
492 | d247d25f | aliguori | */
|
493 | d247d25f | aliguori | fd = mkstemp(un.sun_path); close(fd); |
494 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", un.sun_path);
|
495 | d247d25f | aliguori | } |
496 | d247d25f | aliguori | |
497 | d247d25f | aliguori | unlink(un.sun_path); |
498 | d247d25f | aliguori | if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
499 | d247d25f | aliguori | fprintf(stderr, "bind(unix:%s): %s\n", un.sun_path, strerror(errno));
|
500 | d247d25f | aliguori | goto err;
|
501 | d247d25f | aliguori | } |
502 | d247d25f | aliguori | if (listen(sock, 1) < 0) { |
503 | d247d25f | aliguori | fprintf(stderr, "listen(unix:%s): %s\n", un.sun_path, strerror(errno));
|
504 | d247d25f | aliguori | goto err;
|
505 | d247d25f | aliguori | } |
506 | d247d25f | aliguori | |
507 | d247d25f | aliguori | return sock;
|
508 | d247d25f | aliguori | |
509 | d247d25f | aliguori | err:
|
510 | d247d25f | aliguori | closesocket(sock); |
511 | d247d25f | aliguori | return -1; |
512 | d247d25f | aliguori | } |
513 | d247d25f | aliguori | |
514 | 2af2bf67 | Gerd Hoffmann | int unix_connect_opts(QemuOpts *opts)
|
515 | d247d25f | aliguori | { |
516 | d247d25f | aliguori | struct sockaddr_un un;
|
517 | 2af2bf67 | Gerd Hoffmann | const char *path = qemu_opt_get(opts, "path"); |
518 | d247d25f | aliguori | int sock;
|
519 | d247d25f | aliguori | |
520 | 2af2bf67 | Gerd Hoffmann | if (NULL == path) { |
521 | 2af2bf67 | Gerd Hoffmann | fprintf(stderr, "unix connect: no path specified\n");
|
522 | 2af2bf67 | Gerd Hoffmann | return -1; |
523 | 2af2bf67 | Gerd Hoffmann | } |
524 | 2af2bf67 | Gerd Hoffmann | |
525 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
|
526 | d247d25f | aliguori | if (sock < 0) { |
527 | 39b6efc8 | vibi | perror("socket(unix)");
|
528 | 39b6efc8 | vibi | return -1; |
529 | d247d25f | aliguori | } |
530 | d247d25f | aliguori | |
531 | d247d25f | aliguori | memset(&un, 0, sizeof(un)); |
532 | d247d25f | aliguori | un.sun_family = AF_UNIX; |
533 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
534 | d247d25f | aliguori | if (connect(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
535 | d247d25f | aliguori | fprintf(stderr, "connect(unix:%s): %s\n", path, strerror(errno));
|
536 | 9d947472 | Markus Armbruster | close(sock); |
537 | d247d25f | aliguori | return -1; |
538 | d247d25f | aliguori | } |
539 | d247d25f | aliguori | |
540 | d247d25f | aliguori | return sock;
|
541 | d247d25f | aliguori | } |
542 | d247d25f | aliguori | |
543 | 2af2bf67 | Gerd Hoffmann | /* compatibility wrapper */
|
544 | 62b6adfb | Gerd Hoffmann | int unix_listen(const char *str, char *ostr, int olen) |
545 | 62b6adfb | Gerd Hoffmann | { |
546 | 62b6adfb | Gerd Hoffmann | QemuOpts *opts; |
547 | 62b6adfb | Gerd Hoffmann | char *path, *optstr;
|
548 | 62b6adfb | Gerd Hoffmann | int sock, len;
|
549 | 62b6adfb | Gerd Hoffmann | |
550 | 62b6adfb | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
551 | 62b6adfb | Gerd Hoffmann | |
552 | 62b6adfb | Gerd Hoffmann | optstr = strchr(str, ',');
|
553 | 62b6adfb | Gerd Hoffmann | if (optstr) {
|
554 | 62b6adfb | Gerd Hoffmann | len = optstr - str; |
555 | 62b6adfb | Gerd Hoffmann | if (len) {
|
556 | 7267c094 | Anthony Liguori | path = g_malloc(len+1);
|
557 | 62b6adfb | Gerd Hoffmann | snprintf(path, len+1, "%.*s", len, str); |
558 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", path);
|
559 | 7267c094 | Anthony Liguori | g_free(path); |
560 | 62b6adfb | Gerd Hoffmann | } |
561 | 62b6adfb | Gerd Hoffmann | } else {
|
562 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", str);
|
563 | 62b6adfb | Gerd Hoffmann | } |
564 | 62b6adfb | Gerd Hoffmann | |
565 | 62b6adfb | Gerd Hoffmann | sock = unix_listen_opts(opts); |
566 | 62b6adfb | Gerd Hoffmann | |
567 | 62b6adfb | Gerd Hoffmann | if (sock != -1 && ostr) |
568 | 62b6adfb | Gerd Hoffmann | snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : ""); |
569 | 62b6adfb | Gerd Hoffmann | qemu_opts_del(opts); |
570 | 62b6adfb | Gerd Hoffmann | return sock;
|
571 | 62b6adfb | Gerd Hoffmann | } |
572 | 62b6adfb | Gerd Hoffmann | |
573 | 2af2bf67 | Gerd Hoffmann | int unix_connect(const char *path) |
574 | 2af2bf67 | Gerd Hoffmann | { |
575 | 2af2bf67 | Gerd Hoffmann | QemuOpts *opts; |
576 | 2af2bf67 | Gerd Hoffmann | int sock;
|
577 | 2af2bf67 | Gerd Hoffmann | |
578 | 2af2bf67 | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
579 | 2af2bf67 | Gerd Hoffmann | qemu_opt_set(opts, "path", path);
|
580 | 2af2bf67 | Gerd Hoffmann | sock = unix_connect_opts(opts); |
581 | 2af2bf67 | Gerd Hoffmann | qemu_opts_del(opts); |
582 | 2af2bf67 | Gerd Hoffmann | return sock;
|
583 | 2af2bf67 | Gerd Hoffmann | } |
584 | 2af2bf67 | Gerd Hoffmann | |
585 | d247d25f | aliguori | #else
|
586 | d247d25f | aliguori | |
587 | 108af7b9 | Gerd Hoffmann | int unix_listen_opts(QemuOpts *opts)
|
588 | 108af7b9 | Gerd Hoffmann | { |
589 | 108af7b9 | Gerd Hoffmann | fprintf(stderr, "unix sockets are not available on windows\n");
|
590 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
591 | 108af7b9 | Gerd Hoffmann | return -1; |
592 | 108af7b9 | Gerd Hoffmann | } |
593 | 108af7b9 | Gerd Hoffmann | |
594 | 108af7b9 | Gerd Hoffmann | int unix_connect_opts(QemuOpts *opts)
|
595 | 108af7b9 | Gerd Hoffmann | { |
596 | 108af7b9 | Gerd Hoffmann | fprintf(stderr, "unix sockets are not available on windows\n");
|
597 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
598 | 108af7b9 | Gerd Hoffmann | return -1; |
599 | 108af7b9 | Gerd Hoffmann | } |
600 | 108af7b9 | Gerd Hoffmann | |
601 | d247d25f | aliguori | int unix_listen(const char *path, char *ostr, int olen) |
602 | d247d25f | aliguori | { |
603 | d247d25f | aliguori | fprintf(stderr, "unix sockets are not available on windows\n");
|
604 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
605 | d247d25f | aliguori | return -1; |
606 | d247d25f | aliguori | } |
607 | d247d25f | aliguori | |
608 | d247d25f | aliguori | int unix_connect(const char *path) |
609 | d247d25f | aliguori | { |
610 | d247d25f | aliguori | fprintf(stderr, "unix sockets are not available on windows\n");
|
611 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
612 | d247d25f | aliguori | return -1; |
613 | d247d25f | aliguori | } |
614 | d247d25f | aliguori | |
615 | d247d25f | aliguori | #endif
|
616 | 0706a4dc | Paolo Bonzini | |
617 | 0706a4dc | Paolo Bonzini | #ifdef _WIN32
|
618 | 0706a4dc | Paolo Bonzini | static void socket_cleanup(void) |
619 | 0706a4dc | Paolo Bonzini | { |
620 | 0706a4dc | Paolo Bonzini | WSACleanup(); |
621 | 0706a4dc | Paolo Bonzini | } |
622 | 0706a4dc | Paolo Bonzini | #endif
|
623 | 0706a4dc | Paolo Bonzini | |
624 | 0706a4dc | Paolo Bonzini | int socket_init(void) |
625 | 0706a4dc | Paolo Bonzini | { |
626 | 0706a4dc | Paolo Bonzini | #ifdef _WIN32
|
627 | 0706a4dc | Paolo Bonzini | WSADATA Data; |
628 | 0706a4dc | Paolo Bonzini | int ret, err;
|
629 | 0706a4dc | Paolo Bonzini | |
630 | 0706a4dc | Paolo Bonzini | ret = WSAStartup(MAKEWORD(2,2), &Data); |
631 | 0706a4dc | Paolo Bonzini | if (ret != 0) { |
632 | 0706a4dc | Paolo Bonzini | err = WSAGetLastError(); |
633 | 0706a4dc | Paolo Bonzini | fprintf(stderr, "WSAStartup: %d\n", err);
|
634 | 0706a4dc | Paolo Bonzini | return -1; |
635 | 0706a4dc | Paolo Bonzini | } |
636 | 0706a4dc | Paolo Bonzini | atexit(socket_cleanup); |
637 | 0706a4dc | Paolo Bonzini | #endif
|
638 | 0706a4dc | Paolo Bonzini | return 0; |
639 | 0706a4dc | Paolo Bonzini | } |