root / qemu-sockets.c @ a0a3167a
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1 | 305b0eb2 | aliguori | /*
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2 | 305b0eb2 | aliguori | * inet and unix socket functions for qemu
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3 | 305b0eb2 | aliguori | *
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4 | 305b0eb2 | aliguori | * (c) 2008 Gerd Hoffmann <kraxel@redhat.com>
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5 | 305b0eb2 | aliguori | *
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6 | 305b0eb2 | aliguori | * This program is free software; you can redistribute it and/or modify
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7 | 305b0eb2 | aliguori | * it under the terms of the GNU General Public License as published by
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8 | 305b0eb2 | aliguori | * the Free Software Foundation; under version 2 of the License.
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9 | 305b0eb2 | aliguori | *
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10 | 305b0eb2 | aliguori | * This program is distributed in the hope that it will be useful,
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11 | 305b0eb2 | aliguori | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | 305b0eb2 | aliguori | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | 305b0eb2 | aliguori | * GNU General Public License for more details.
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14 | 305b0eb2 | aliguori | */
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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
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26 | d247d25f | aliguori | # define AI_ADDRCONFIG 0 |
27 | d247d25f | aliguori | #endif
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28 | d247d25f | aliguori | |
29 | d247d25f | aliguori | static int sockets_debug = 0; |
30 | d247d25f | aliguori | static const int on=1, off=0; |
31 | d247d25f | aliguori | |
32 | 2af2bf67 | Gerd Hoffmann | /* used temporarely until all users are converted to QemuOpts */
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33 | c1390903 | Blue Swirl | static QemuOptsList dummy_opts = {
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34 | 2af2bf67 | Gerd Hoffmann | .name = "dummy",
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35 | 72cf2d4f | Blue Swirl | .head = QTAILQ_HEAD_INITIALIZER(dummy_opts.head), |
36 | 2af2bf67 | Gerd Hoffmann | .desc = { |
37 | 2af2bf67 | Gerd Hoffmann | { |
38 | 2af2bf67 | Gerd Hoffmann | .name = "path",
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39 | 2af2bf67 | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
40 | f4c94c7c | Gerd Hoffmann | },{ |
41 | f4c94c7c | Gerd Hoffmann | .name = "host",
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42 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
43 | f4c94c7c | Gerd Hoffmann | },{ |
44 | f4c94c7c | Gerd Hoffmann | .name = "port",
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45 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_STRING, |
46 | f4c94c7c | Gerd Hoffmann | },{ |
47 | f4c94c7c | Gerd Hoffmann | .name = "to",
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48 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_NUMBER, |
49 | f4c94c7c | Gerd Hoffmann | },{ |
50 | f4c94c7c | Gerd Hoffmann | .name = "ipv4",
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51 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_BOOL, |
52 | f4c94c7c | Gerd Hoffmann | },{ |
53 | f4c94c7c | Gerd Hoffmann | .name = "ipv6",
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54 | f4c94c7c | Gerd Hoffmann | .type = QEMU_OPT_BOOL, |
55 | 2af2bf67 | Gerd Hoffmann | }, |
56 | 2af2bf67 | Gerd Hoffmann | { /* end if list */ }
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57 | 2af2bf67 | Gerd Hoffmann | }, |
58 | 2af2bf67 | Gerd Hoffmann | }; |
59 | 2af2bf67 | Gerd Hoffmann | |
60 | d247d25f | aliguori | static int inet_getport(struct addrinfo *e) |
61 | d247d25f | aliguori | { |
62 | d247d25f | aliguori | struct sockaddr_in *i4;
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63 | d247d25f | aliguori | struct sockaddr_in6 *i6;
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64 | d247d25f | aliguori | |
65 | d247d25f | aliguori | switch (e->ai_family) {
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66 | d247d25f | aliguori | case PF_INET6:
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67 | d247d25f | aliguori | i6 = (void*)e->ai_addr;
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68 | d247d25f | aliguori | return ntohs(i6->sin6_port);
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69 | d247d25f | aliguori | case PF_INET:
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70 | d247d25f | aliguori | i4 = (void*)e->ai_addr;
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71 | d247d25f | aliguori | return ntohs(i4->sin_port);
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72 | d247d25f | aliguori | default:
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73 | d247d25f | aliguori | return 0; |
74 | d247d25f | aliguori | } |
75 | d247d25f | aliguori | } |
76 | d247d25f | aliguori | |
77 | d247d25f | aliguori | static void inet_setport(struct addrinfo *e, int port) |
78 | d247d25f | aliguori | { |
79 | d247d25f | aliguori | struct sockaddr_in *i4;
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80 | d247d25f | aliguori | struct sockaddr_in6 *i6;
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81 | d247d25f | aliguori | |
82 | d247d25f | aliguori | switch (e->ai_family) {
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83 | d247d25f | aliguori | case PF_INET6:
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84 | d247d25f | aliguori | i6 = (void*)e->ai_addr;
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85 | d247d25f | aliguori | i6->sin6_port = htons(port); |
86 | d247d25f | aliguori | break;
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87 | d247d25f | aliguori | case PF_INET:
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88 | d247d25f | aliguori | i4 = (void*)e->ai_addr;
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89 | d247d25f | aliguori | i4->sin_port = htons(port); |
90 | d247d25f | aliguori | break;
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91 | d247d25f | aliguori | } |
92 | d247d25f | aliguori | } |
93 | d247d25f | aliguori | |
94 | c9c4b34e | Luiz Capitulino | const char *inet_strfamily(int family) |
95 | d247d25f | aliguori | { |
96 | d247d25f | aliguori | switch (family) {
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97 | d247d25f | aliguori | case PF_INET6: return "ipv6"; |
98 | d247d25f | aliguori | case PF_INET: return "ipv4"; |
99 | d247d25f | aliguori | case PF_UNIX: return "unix"; |
100 | d247d25f | aliguori | } |
101 | c445321e | Luiz Capitulino | return "unknown"; |
102 | d247d25f | aliguori | } |
103 | d247d25f | aliguori | |
104 | d247d25f | aliguori | static void inet_print_addrinfo(const char *tag, struct addrinfo *res) |
105 | d247d25f | aliguori | { |
106 | d247d25f | aliguori | struct addrinfo *e;
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107 | d247d25f | aliguori | char uaddr[INET6_ADDRSTRLEN+1]; |
108 | d247d25f | aliguori | char uport[33]; |
109 | d247d25f | aliguori | |
110 | d247d25f | aliguori | for (e = res; e != NULL; e = e->ai_next) { |
111 | d247d25f | aliguori | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
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112 | d247d25f | aliguori | uaddr,INET6_ADDRSTRLEN,uport,32,
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113 | d247d25f | aliguori | NI_NUMERICHOST | NI_NUMERICSERV); |
114 | d247d25f | aliguori | fprintf(stderr,"%s: getaddrinfo: family %s, host %s, port %s\n",
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115 | d247d25f | aliguori | tag, inet_strfamily(e->ai_family), uaddr, uport); |
116 | d247d25f | aliguori | } |
117 | d247d25f | aliguori | } |
118 | d247d25f | aliguori | |
119 | e5bc776f | Gerd Hoffmann | int inet_listen_opts(QemuOpts *opts, int port_offset) |
120 | d247d25f | aliguori | { |
121 | d247d25f | aliguori | struct addrinfo ai,*res,*e;
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122 | e5bc776f | Gerd Hoffmann | const char *addr; |
123 | d247d25f | aliguori | char port[33]; |
124 | d247d25f | aliguori | char uaddr[INET6_ADDRSTRLEN+1]; |
125 | d247d25f | aliguori | char uport[33]; |
126 | e5bc776f | Gerd Hoffmann | int slisten,rc,to,try_next;
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127 | d247d25f | aliguori | |
128 | d247d25f | aliguori | memset(&ai,0, sizeof(ai)); |
129 | d247d25f | aliguori | ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG; |
130 | d247d25f | aliguori | ai.ai_family = PF_UNSPEC; |
131 | e5bc776f | Gerd Hoffmann | ai.ai_socktype = SOCK_STREAM; |
132 | d247d25f | aliguori | |
133 | e23a22e6 | Jens Osterkamp | if ((qemu_opt_get(opts, "host") == NULL) || |
134 | e23a22e6 | Jens Osterkamp | (qemu_opt_get(opts, "port") == NULL)) { |
135 | e5bc776f | Gerd Hoffmann | fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
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136 | e5bc776f | Gerd Hoffmann | return -1; |
137 | d247d25f | aliguori | } |
138 | e5bc776f | Gerd Hoffmann | pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port")); |
139 | e5bc776f | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
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140 | d247d25f | aliguori | |
141 | e5bc776f | Gerd Hoffmann | to = qemu_opt_get_number(opts, "to", 0); |
142 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
143 | d247d25f | aliguori | ai.ai_family = PF_INET; |
144 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
145 | d247d25f | aliguori | ai.ai_family = PF_INET6; |
146 | d247d25f | aliguori | |
147 | d247d25f | aliguori | /* lookup */
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148 | d247d25f | aliguori | if (port_offset)
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149 | d247d25f | aliguori | snprintf(port, sizeof(port), "%d", atoi(port) + port_offset); |
150 | d247d25f | aliguori | rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
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151 | d247d25f | aliguori | if (rc != 0) { |
152 | e5bc776f | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
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153 | e5bc776f | Gerd Hoffmann | gai_strerror(rc)); |
154 | d247d25f | aliguori | return -1; |
155 | d247d25f | aliguori | } |
156 | d247d25f | aliguori | if (sockets_debug)
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157 | d247d25f | aliguori | inet_print_addrinfo(__FUNCTION__, res); |
158 | d247d25f | aliguori | |
159 | d247d25f | aliguori | /* create socket + bind */
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160 | d247d25f | aliguori | for (e = res; e != NULL; e = e->ai_next) { |
161 | 39b6efc8 | vibi | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
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162 | 39b6efc8 | vibi | uaddr,INET6_ADDRSTRLEN,uport,32,
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163 | 39b6efc8 | vibi | NI_NUMERICHOST | NI_NUMERICSERV); |
164 | 40ff6d7e | Kevin Wolf | slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
165 | 39b6efc8 | vibi | if (slisten < 0) { |
166 | d247d25f | aliguori | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
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167 | d247d25f | aliguori | inet_strfamily(e->ai_family), strerror(errno)); |
168 | 39b6efc8 | vibi | continue;
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169 | 39b6efc8 | vibi | } |
170 | d247d25f | aliguori | |
171 | d247d25f | aliguori | setsockopt(slisten,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
172 | d247d25f | aliguori | #ifdef IPV6_V6ONLY
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173 | d247d25f | aliguori | if (e->ai_family == PF_INET6) {
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174 | d247d25f | aliguori | /* listen on both ipv4 and ipv6 */
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175 | 39b6efc8 | vibi | setsockopt(slisten,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&off,
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176 | 39b6efc8 | vibi | sizeof(off));
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177 | d247d25f | aliguori | } |
178 | d247d25f | aliguori | #endif
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179 | d247d25f | aliguori | |
180 | d247d25f | aliguori | for (;;) {
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181 | d247d25f | aliguori | if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { |
182 | d247d25f | aliguori | if (sockets_debug)
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183 | d247d25f | aliguori | fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
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184 | 39b6efc8 | vibi | inet_strfamily(e->ai_family), uaddr, inet_getport(e)); |
185 | d247d25f | aliguori | goto listen;
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186 | d247d25f | aliguori | } |
187 | d247d25f | aliguori | try_next = to && (inet_getport(e) <= to + port_offset); |
188 | d247d25f | aliguori | if (!try_next || sockets_debug)
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189 | d247d25f | aliguori | fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__,
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190 | d247d25f | aliguori | inet_strfamily(e->ai_family), uaddr, inet_getport(e), |
191 | d247d25f | aliguori | strerror(errno)); |
192 | d247d25f | aliguori | if (try_next) {
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193 | d247d25f | aliguori | inet_setport(e, inet_getport(e) + 1);
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194 | d247d25f | aliguori | continue;
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195 | d247d25f | aliguori | } |
196 | d247d25f | aliguori | break;
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197 | d247d25f | aliguori | } |
198 | d247d25f | aliguori | closesocket(slisten); |
199 | d247d25f | aliguori | } |
200 | d247d25f | aliguori | fprintf(stderr, "%s: FAILED\n", __FUNCTION__);
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201 | d247d25f | aliguori | freeaddrinfo(res); |
202 | d247d25f | aliguori | return -1; |
203 | d247d25f | aliguori | |
204 | d247d25f | aliguori | listen:
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205 | d247d25f | aliguori | if (listen(slisten,1) != 0) { |
206 | d247d25f | aliguori | perror("listen");
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207 | d247d25f | aliguori | closesocket(slisten); |
208 | 39b6efc8 | vibi | freeaddrinfo(res); |
209 | d247d25f | aliguori | return -1; |
210 | d247d25f | aliguori | } |
211 | e5bc776f | Gerd Hoffmann | snprintf(uport, sizeof(uport), "%d", inet_getport(e) - port_offset); |
212 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "host", uaddr);
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213 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "port", uport);
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214 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "ipv6", (e->ai_family == PF_INET6) ? "on" : "off"); |
215 | e5bc776f | Gerd Hoffmann | qemu_opt_set(opts, "ipv4", (e->ai_family != PF_INET6) ? "on" : "off"); |
216 | d247d25f | aliguori | freeaddrinfo(res); |
217 | d247d25f | aliguori | return slisten;
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218 | d247d25f | aliguori | } |
219 | d247d25f | aliguori | |
220 | f4c94c7c | Gerd Hoffmann | int inet_connect_opts(QemuOpts *opts)
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221 | d247d25f | aliguori | { |
222 | d247d25f | aliguori | struct addrinfo ai,*res,*e;
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223 | f4c94c7c | Gerd Hoffmann | const char *addr; |
224 | f4c94c7c | Gerd Hoffmann | const char *port; |
225 | d247d25f | aliguori | char uaddr[INET6_ADDRSTRLEN+1]; |
226 | d247d25f | aliguori | char uport[33]; |
227 | d247d25f | aliguori | int sock,rc;
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228 | d247d25f | aliguori | |
229 | d247d25f | aliguori | memset(&ai,0, sizeof(ai)); |
230 | d247d25f | aliguori | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
231 | d247d25f | aliguori | ai.ai_family = PF_UNSPEC; |
232 | f4c94c7c | Gerd Hoffmann | ai.ai_socktype = SOCK_STREAM; |
233 | d247d25f | aliguori | |
234 | f4c94c7c | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
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235 | f4c94c7c | Gerd Hoffmann | port = qemu_opt_get(opts, "port");
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236 | f4c94c7c | Gerd Hoffmann | if (addr == NULL || port == NULL) { |
237 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "inet_connect: host and/or port not specified\n");
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238 | f4c94c7c | Gerd Hoffmann | return -1; |
239 | d247d25f | aliguori | } |
240 | d247d25f | aliguori | |
241 | f4c94c7c | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
242 | d247d25f | aliguori | ai.ai_family = PF_INET; |
243 | f4c94c7c | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
244 | d247d25f | aliguori | ai.ai_family = PF_INET6; |
245 | d247d25f | aliguori | |
246 | d247d25f | aliguori | /* lookup */
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247 | d247d25f | aliguori | if (0 != (rc = getaddrinfo(addr, port, &ai, &res))) { |
248 | f4c94c7c | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
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249 | f4c94c7c | Gerd Hoffmann | gai_strerror(rc)); |
250 | d247d25f | aliguori | return -1; |
251 | d247d25f | aliguori | } |
252 | d247d25f | aliguori | if (sockets_debug)
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253 | d247d25f | aliguori | inet_print_addrinfo(__FUNCTION__, res); |
254 | d247d25f | aliguori | |
255 | d247d25f | aliguori | for (e = res; e != NULL; e = e->ai_next) { |
256 | 39b6efc8 | vibi | if (getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
257 | 39b6efc8 | vibi | uaddr,INET6_ADDRSTRLEN,uport,32,
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258 | 39b6efc8 | vibi | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
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259 | d247d25f | aliguori | fprintf(stderr,"%s: getnameinfo: oops\n", __FUNCTION__);
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260 | 39b6efc8 | vibi | continue;
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261 | 39b6efc8 | vibi | } |
262 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
263 | 39b6efc8 | vibi | if (sock < 0) { |
264 | d247d25f | aliguori | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
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265 | 39b6efc8 | vibi | inet_strfamily(e->ai_family), strerror(errno)); |
266 | 39b6efc8 | vibi | continue;
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267 | 39b6efc8 | vibi | } |
268 | d247d25f | aliguori | setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
269 | d247d25f | aliguori | |
270 | 39b6efc8 | vibi | /* connect to peer */
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271 | 39b6efc8 | vibi | if (connect(sock,e->ai_addr,e->ai_addrlen) < 0) { |
272 | d247d25f | aliguori | if (sockets_debug || NULL == e->ai_next) |
273 | d247d25f | aliguori | fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
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274 | d247d25f | aliguori | inet_strfamily(e->ai_family), |
275 | d247d25f | aliguori | e->ai_canonname, uaddr, uport, strerror(errno)); |
276 | d247d25f | aliguori | closesocket(sock); |
277 | 39b6efc8 | vibi | continue;
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278 | 39b6efc8 | vibi | } |
279 | d247d25f | aliguori | if (sockets_debug)
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280 | d247d25f | aliguori | fprintf(stderr, "%s: connect(%s,%s,%s,%s): OK\n", __FUNCTION__,
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281 | d247d25f | aliguori | inet_strfamily(e->ai_family), |
282 | d247d25f | aliguori | e->ai_canonname, uaddr, uport); |
283 | d247d25f | aliguori | freeaddrinfo(res); |
284 | 39b6efc8 | vibi | return sock;
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285 | d247d25f | aliguori | } |
286 | d247d25f | aliguori | freeaddrinfo(res); |
287 | d247d25f | aliguori | return -1; |
288 | d247d25f | aliguori | } |
289 | d247d25f | aliguori | |
290 | 7e1b35b4 | Gerd Hoffmann | int inet_dgram_opts(QemuOpts *opts)
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291 | 7e1b35b4 | Gerd Hoffmann | { |
292 | 7e1b35b4 | Gerd Hoffmann | struct addrinfo ai, *peer = NULL, *local = NULL; |
293 | 7e1b35b4 | Gerd Hoffmann | const char *addr; |
294 | 7e1b35b4 | Gerd Hoffmann | const char *port; |
295 | 7e1b35b4 | Gerd Hoffmann | char uaddr[INET6_ADDRSTRLEN+1]; |
296 | 7e1b35b4 | Gerd Hoffmann | char uport[33]; |
297 | 7e1b35b4 | Gerd Hoffmann | int sock = -1, rc; |
298 | 7e1b35b4 | Gerd Hoffmann | |
299 | 7e1b35b4 | Gerd Hoffmann | /* lookup peer addr */
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300 | 7e1b35b4 | Gerd Hoffmann | memset(&ai,0, sizeof(ai)); |
301 | 7e1b35b4 | Gerd Hoffmann | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
302 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_UNSPEC; |
303 | 7e1b35b4 | Gerd Hoffmann | ai.ai_socktype = SOCK_DGRAM; |
304 | 7e1b35b4 | Gerd Hoffmann | |
305 | 7e1b35b4 | Gerd Hoffmann | addr = qemu_opt_get(opts, "host");
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306 | 7e1b35b4 | Gerd Hoffmann | port = qemu_opt_get(opts, "port");
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307 | 7e1b35b4 | Gerd Hoffmann | if (addr == NULL || strlen(addr) == 0) { |
308 | 7e1b35b4 | Gerd Hoffmann | addr = "localhost";
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309 | 7e1b35b4 | Gerd Hoffmann | } |
310 | 7e1b35b4 | Gerd Hoffmann | if (port == NULL || strlen(port) == 0) { |
311 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "inet_dgram: port not specified\n");
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312 | 7e1b35b4 | Gerd Hoffmann | return -1; |
313 | 7e1b35b4 | Gerd Hoffmann | } |
314 | 7e1b35b4 | Gerd Hoffmann | |
315 | 7e1b35b4 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
316 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_INET; |
317 | 7e1b35b4 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
318 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = PF_INET6; |
319 | 7e1b35b4 | Gerd Hoffmann | |
320 | 7e1b35b4 | Gerd Hoffmann | if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) { |
321 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
322 | 7e1b35b4 | Gerd Hoffmann | gai_strerror(rc)); |
323 | 7e1b35b4 | Gerd Hoffmann | return -1; |
324 | 7e1b35b4 | Gerd Hoffmann | } |
325 | 7e1b35b4 | Gerd Hoffmann | if (sockets_debug) {
|
326 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: peer (%s:%s)\n", __FUNCTION__, addr, port);
|
327 | 7e1b35b4 | Gerd Hoffmann | inet_print_addrinfo(__FUNCTION__, peer); |
328 | 7e1b35b4 | Gerd Hoffmann | } |
329 | 7e1b35b4 | Gerd Hoffmann | |
330 | 7e1b35b4 | Gerd Hoffmann | /* lookup local addr */
|
331 | 7e1b35b4 | Gerd Hoffmann | memset(&ai,0, sizeof(ai)); |
332 | 7e1b35b4 | Gerd Hoffmann | ai.ai_flags = AI_PASSIVE; |
333 | 7e1b35b4 | Gerd Hoffmann | ai.ai_family = peer->ai_family; |
334 | 7e1b35b4 | Gerd Hoffmann | ai.ai_socktype = SOCK_DGRAM; |
335 | 7e1b35b4 | Gerd Hoffmann | |
336 | 7e1b35b4 | Gerd Hoffmann | addr = qemu_opt_get(opts, "localaddr");
|
337 | 7e1b35b4 | Gerd Hoffmann | port = qemu_opt_get(opts, "localport");
|
338 | 7e1b35b4 | Gerd Hoffmann | if (addr == NULL || strlen(addr) == 0) { |
339 | 7e1b35b4 | Gerd Hoffmann | addr = NULL;
|
340 | 7e1b35b4 | Gerd Hoffmann | } |
341 | 7e1b35b4 | Gerd Hoffmann | if (!port || strlen(port) == 0) |
342 | 7e1b35b4 | Gerd Hoffmann | port = "0";
|
343 | 7e1b35b4 | Gerd Hoffmann | |
344 | 7e1b35b4 | Gerd Hoffmann | if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) { |
345 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
|
346 | 7e1b35b4 | Gerd Hoffmann | gai_strerror(rc)); |
347 | 7e1b35b4 | Gerd Hoffmann | return -1; |
348 | 7e1b35b4 | Gerd Hoffmann | } |
349 | 7e1b35b4 | Gerd Hoffmann | if (sockets_debug) {
|
350 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: local (%s:%s)\n", __FUNCTION__, addr, port);
|
351 | 7e1b35b4 | Gerd Hoffmann | inet_print_addrinfo(__FUNCTION__, local); |
352 | 7e1b35b4 | Gerd Hoffmann | } |
353 | 7e1b35b4 | Gerd Hoffmann | |
354 | 7e1b35b4 | Gerd Hoffmann | /* create socket */
|
355 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); |
356 | 7e1b35b4 | Gerd Hoffmann | if (sock < 0) { |
357 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
|
358 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(peer->ai_family), strerror(errno)); |
359 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
360 | 7e1b35b4 | Gerd Hoffmann | } |
361 | 7e1b35b4 | Gerd Hoffmann | setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on)); |
362 | 7e1b35b4 | Gerd Hoffmann | |
363 | 7e1b35b4 | Gerd Hoffmann | /* bind socket */
|
364 | 7e1b35b4 | Gerd Hoffmann | if (getnameinfo((struct sockaddr*)local->ai_addr,local->ai_addrlen, |
365 | 7e1b35b4 | Gerd Hoffmann | uaddr,INET6_ADDRSTRLEN,uport,32,
|
366 | 7e1b35b4 | Gerd Hoffmann | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
|
367 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
|
368 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
369 | 7e1b35b4 | Gerd Hoffmann | } |
370 | 7e1b35b4 | Gerd Hoffmann | if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { |
371 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
|
372 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(local->ai_family), uaddr, inet_getport(local)); |
373 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
374 | 7e1b35b4 | Gerd Hoffmann | } |
375 | 7e1b35b4 | Gerd Hoffmann | |
376 | 7e1b35b4 | Gerd Hoffmann | /* connect to peer */
|
377 | 7e1b35b4 | Gerd Hoffmann | if (getnameinfo((struct sockaddr*)peer->ai_addr, peer->ai_addrlen, |
378 | 7e1b35b4 | Gerd Hoffmann | uaddr, INET6_ADDRSTRLEN, uport, 32,
|
379 | 7e1b35b4 | Gerd Hoffmann | NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
|
380 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
|
381 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
382 | 7e1b35b4 | Gerd Hoffmann | } |
383 | 7e1b35b4 | Gerd Hoffmann | if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { |
384 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
|
385 | 7e1b35b4 | Gerd Hoffmann | inet_strfamily(peer->ai_family), |
386 | 7e1b35b4 | Gerd Hoffmann | peer->ai_canonname, uaddr, uport, strerror(errno)); |
387 | 7e1b35b4 | Gerd Hoffmann | goto err;
|
388 | 7e1b35b4 | Gerd Hoffmann | } |
389 | 7e1b35b4 | Gerd Hoffmann | |
390 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(local); |
391 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(peer); |
392 | 7e1b35b4 | Gerd Hoffmann | return sock;
|
393 | 7e1b35b4 | Gerd Hoffmann | |
394 | 7e1b35b4 | Gerd Hoffmann | err:
|
395 | 7e1b35b4 | Gerd Hoffmann | if (-1 != sock) |
396 | 7e1b35b4 | Gerd Hoffmann | closesocket(sock); |
397 | 7e1b35b4 | Gerd Hoffmann | if (local)
|
398 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(local); |
399 | 7e1b35b4 | Gerd Hoffmann | if (peer)
|
400 | 7e1b35b4 | Gerd Hoffmann | freeaddrinfo(peer); |
401 | 7e1b35b4 | Gerd Hoffmann | return -1; |
402 | 7e1b35b4 | Gerd Hoffmann | } |
403 | 7e1b35b4 | Gerd Hoffmann | |
404 | f4c94c7c | Gerd Hoffmann | /* compatibility wrapper */
|
405 | f4c94c7c | Gerd Hoffmann | static int inet_parse(QemuOpts *opts, const char *str) |
406 | f4c94c7c | Gerd Hoffmann | { |
407 | f4c94c7c | Gerd Hoffmann | const char *optstr, *h; |
408 | f4c94c7c | Gerd Hoffmann | char addr[64]; |
409 | f4c94c7c | Gerd Hoffmann | char port[33]; |
410 | f4c94c7c | Gerd Hoffmann | int pos;
|
411 | f4c94c7c | Gerd Hoffmann | |
412 | f4c94c7c | Gerd Hoffmann | /* parse address */
|
413 | f4c94c7c | Gerd Hoffmann | if (str[0] == ':') { |
414 | f4c94c7c | Gerd Hoffmann | /* no host given */
|
415 | f4c94c7c | Gerd Hoffmann | addr[0] = '\0'; |
416 | f4c94c7c | Gerd Hoffmann | if (1 != sscanf(str,":%32[^,]%n",port,&pos)) { |
417 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: portonly parse error (%s)\n",
|
418 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
419 | f4c94c7c | Gerd Hoffmann | return -1; |
420 | f4c94c7c | Gerd Hoffmann | } |
421 | f4c94c7c | Gerd Hoffmann | } else if (str[0] == '[') { |
422 | f4c94c7c | Gerd Hoffmann | /* IPv6 addr */
|
423 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"[%64[^]]]:%32[^,]%n",addr,port,&pos)) { |
424 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: ipv6 parse error (%s)\n",
|
425 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
426 | f4c94c7c | Gerd Hoffmann | return -1; |
427 | f4c94c7c | Gerd Hoffmann | } |
428 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv6", "on"); |
429 | f4c94c7c | Gerd Hoffmann | } else if (qemu_isdigit(str[0])) { |
430 | f4c94c7c | Gerd Hoffmann | /* IPv4 addr */
|
431 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) { |
432 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: ipv4 parse error (%s)\n",
|
433 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
434 | f4c94c7c | Gerd Hoffmann | return -1; |
435 | f4c94c7c | Gerd Hoffmann | } |
436 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv4", "on"); |
437 | f4c94c7c | Gerd Hoffmann | } else {
|
438 | f4c94c7c | Gerd Hoffmann | /* hostname */
|
439 | f4c94c7c | Gerd Hoffmann | if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) { |
440 | f4c94c7c | Gerd Hoffmann | fprintf(stderr, "%s: hostname parse error (%s)\n",
|
441 | f4c94c7c | Gerd Hoffmann | __FUNCTION__, str); |
442 | f4c94c7c | Gerd Hoffmann | return -1; |
443 | f4c94c7c | Gerd Hoffmann | } |
444 | f4c94c7c | Gerd Hoffmann | } |
445 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "host", addr);
|
446 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
447 | f4c94c7c | Gerd Hoffmann | |
448 | f4c94c7c | Gerd Hoffmann | /* parse options */
|
449 | f4c94c7c | Gerd Hoffmann | optstr = str + pos; |
450 | f4c94c7c | Gerd Hoffmann | h = strstr(optstr, ",to=");
|
451 | f4c94c7c | Gerd Hoffmann | if (h)
|
452 | f4c94c7c | Gerd Hoffmann | qemu_opt_set(opts, "to", h+4); |
453 | f4c94c7c | Gerd Hoffmann | if (strstr(optstr, ",ipv4")) |
454 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv4", "on"); |
455 | f4c94c7c | Gerd Hoffmann | if (strstr(optstr, ",ipv6")) |
456 | 2198a62e | Marcelo Tosatti | qemu_opt_set(opts, "ipv6", "on"); |
457 | f4c94c7c | Gerd Hoffmann | return 0; |
458 | f4c94c7c | Gerd Hoffmann | } |
459 | f4c94c7c | Gerd Hoffmann | |
460 | e5bc776f | Gerd Hoffmann | int inet_listen(const char *str, char *ostr, int olen, |
461 | e5bc776f | Gerd Hoffmann | int socktype, int port_offset) |
462 | e5bc776f | Gerd Hoffmann | { |
463 | e5bc776f | Gerd Hoffmann | QemuOpts *opts; |
464 | e5bc776f | Gerd Hoffmann | char *optstr;
|
465 | e5bc776f | Gerd Hoffmann | int sock = -1; |
466 | e5bc776f | Gerd Hoffmann | |
467 | e5bc776f | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
468 | e5bc776f | Gerd Hoffmann | if (inet_parse(opts, str) == 0) { |
469 | e5bc776f | Gerd Hoffmann | sock = inet_listen_opts(opts, port_offset); |
470 | e5bc776f | Gerd Hoffmann | if (sock != -1 && ostr) { |
471 | e5bc776f | Gerd Hoffmann | optstr = strchr(str, ',');
|
472 | e5bc776f | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "ipv6", 0)) { |
473 | e5bc776f | Gerd Hoffmann | snprintf(ostr, olen, "[%s]:%s%s",
|
474 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "host"),
|
475 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "port"),
|
476 | e5bc776f | Gerd Hoffmann | optstr ? optstr : "");
|
477 | e5bc776f | Gerd Hoffmann | } else {
|
478 | e5bc776f | Gerd Hoffmann | snprintf(ostr, olen, "%s:%s%s",
|
479 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "host"),
|
480 | e5bc776f | Gerd Hoffmann | qemu_opt_get(opts, "port"),
|
481 | e5bc776f | Gerd Hoffmann | optstr ? optstr : "");
|
482 | e5bc776f | Gerd Hoffmann | } |
483 | e5bc776f | Gerd Hoffmann | } |
484 | e5bc776f | Gerd Hoffmann | } |
485 | e5bc776f | Gerd Hoffmann | qemu_opts_del(opts); |
486 | e5bc776f | Gerd Hoffmann | return sock;
|
487 | e5bc776f | Gerd Hoffmann | } |
488 | e5bc776f | Gerd Hoffmann | |
489 | f4c94c7c | Gerd Hoffmann | int inet_connect(const char *str, int socktype) |
490 | f4c94c7c | Gerd Hoffmann | { |
491 | f4c94c7c | Gerd Hoffmann | QemuOpts *opts; |
492 | f4c94c7c | Gerd Hoffmann | int sock = -1; |
493 | f4c94c7c | Gerd Hoffmann | |
494 | f4c94c7c | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
495 | f4c94c7c | Gerd Hoffmann | if (inet_parse(opts, str) == 0) |
496 | f4c94c7c | Gerd Hoffmann | sock = inet_connect_opts(opts); |
497 | f4c94c7c | Gerd Hoffmann | qemu_opts_del(opts); |
498 | f4c94c7c | Gerd Hoffmann | return sock;
|
499 | f4c94c7c | Gerd Hoffmann | } |
500 | f4c94c7c | Gerd Hoffmann | |
501 | d247d25f | aliguori | #ifndef _WIN32
|
502 | d247d25f | aliguori | |
503 | 62b6adfb | Gerd Hoffmann | int unix_listen_opts(QemuOpts *opts)
|
504 | d247d25f | aliguori | { |
505 | d247d25f | aliguori | struct sockaddr_un un;
|
506 | 62b6adfb | Gerd Hoffmann | const char *path = qemu_opt_get(opts, "path"); |
507 | 62b6adfb | Gerd Hoffmann | int sock, fd;
|
508 | d247d25f | aliguori | |
509 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
|
510 | d247d25f | aliguori | if (sock < 0) { |
511 | 39b6efc8 | vibi | perror("socket(unix)");
|
512 | 39b6efc8 | vibi | return -1; |
513 | d247d25f | aliguori | } |
514 | d247d25f | aliguori | |
515 | d247d25f | aliguori | memset(&un, 0, sizeof(un)); |
516 | d247d25f | aliguori | un.sun_family = AF_UNIX; |
517 | d247d25f | aliguori | if (path && strlen(path)) {
|
518 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
519 | d247d25f | aliguori | } else {
|
520 | d247d25f | aliguori | char *tmpdir = getenv("TMPDIR"); |
521 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX", |
522 | d247d25f | aliguori | tmpdir ? tmpdir : "/tmp");
|
523 | d247d25f | aliguori | /*
|
524 | d247d25f | aliguori | * This dummy fd usage silences the mktemp() unsecure warning.
|
525 | d247d25f | aliguori | * Using mkstemp() doesn't make things more secure here
|
526 | d247d25f | aliguori | * though. bind() complains about existing files, so we have
|
527 | d247d25f | aliguori | * to unlink first and thus re-open the race window. The
|
528 | d247d25f | aliguori | * worst case possible is bind() failing, i.e. a DoS attack.
|
529 | d247d25f | aliguori | */
|
530 | d247d25f | aliguori | fd = mkstemp(un.sun_path); close(fd); |
531 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", un.sun_path);
|
532 | d247d25f | aliguori | } |
533 | d247d25f | aliguori | |
534 | d247d25f | aliguori | unlink(un.sun_path); |
535 | d247d25f | aliguori | if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
536 | d247d25f | aliguori | fprintf(stderr, "bind(unix:%s): %s\n", un.sun_path, strerror(errno));
|
537 | d247d25f | aliguori | goto err;
|
538 | d247d25f | aliguori | } |
539 | d247d25f | aliguori | if (listen(sock, 1) < 0) { |
540 | d247d25f | aliguori | fprintf(stderr, "listen(unix:%s): %s\n", un.sun_path, strerror(errno));
|
541 | d247d25f | aliguori | goto err;
|
542 | d247d25f | aliguori | } |
543 | d247d25f | aliguori | |
544 | d247d25f | aliguori | if (sockets_debug)
|
545 | d247d25f | aliguori | fprintf(stderr, "bind(unix:%s): OK\n", un.sun_path);
|
546 | d247d25f | aliguori | return sock;
|
547 | d247d25f | aliguori | |
548 | d247d25f | aliguori | err:
|
549 | d247d25f | aliguori | closesocket(sock); |
550 | d247d25f | aliguori | return -1; |
551 | d247d25f | aliguori | } |
552 | d247d25f | aliguori | |
553 | 2af2bf67 | Gerd Hoffmann | int unix_connect_opts(QemuOpts *opts)
|
554 | d247d25f | aliguori | { |
555 | d247d25f | aliguori | struct sockaddr_un un;
|
556 | 2af2bf67 | Gerd Hoffmann | const char *path = qemu_opt_get(opts, "path"); |
557 | d247d25f | aliguori | int sock;
|
558 | d247d25f | aliguori | |
559 | 2af2bf67 | Gerd Hoffmann | if (NULL == path) { |
560 | 2af2bf67 | Gerd Hoffmann | fprintf(stderr, "unix connect: no path specified\n");
|
561 | 2af2bf67 | Gerd Hoffmann | return -1; |
562 | 2af2bf67 | Gerd Hoffmann | } |
563 | 2af2bf67 | Gerd Hoffmann | |
564 | 40ff6d7e | Kevin Wolf | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
|
565 | d247d25f | aliguori | if (sock < 0) { |
566 | 39b6efc8 | vibi | perror("socket(unix)");
|
567 | 39b6efc8 | vibi | return -1; |
568 | d247d25f | aliguori | } |
569 | d247d25f | aliguori | |
570 | d247d25f | aliguori | memset(&un, 0, sizeof(un)); |
571 | d247d25f | aliguori | un.sun_family = AF_UNIX; |
572 | d247d25f | aliguori | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
573 | d247d25f | aliguori | if (connect(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
574 | d247d25f | aliguori | fprintf(stderr, "connect(unix:%s): %s\n", path, strerror(errno));
|
575 | d247d25f | aliguori | return -1; |
576 | d247d25f | aliguori | } |
577 | d247d25f | aliguori | |
578 | d247d25f | aliguori | if (sockets_debug)
|
579 | d247d25f | aliguori | fprintf(stderr, "connect(unix:%s): OK\n", path);
|
580 | d247d25f | aliguori | return sock;
|
581 | d247d25f | aliguori | } |
582 | d247d25f | aliguori | |
583 | 2af2bf67 | Gerd Hoffmann | /* compatibility wrapper */
|
584 | 62b6adfb | Gerd Hoffmann | int unix_listen(const char *str, char *ostr, int olen) |
585 | 62b6adfb | Gerd Hoffmann | { |
586 | 62b6adfb | Gerd Hoffmann | QemuOpts *opts; |
587 | 62b6adfb | Gerd Hoffmann | char *path, *optstr;
|
588 | 62b6adfb | Gerd Hoffmann | int sock, len;
|
589 | 62b6adfb | Gerd Hoffmann | |
590 | 62b6adfb | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
591 | 62b6adfb | Gerd Hoffmann | |
592 | 62b6adfb | Gerd Hoffmann | optstr = strchr(str, ',');
|
593 | 62b6adfb | Gerd Hoffmann | if (optstr) {
|
594 | 62b6adfb | Gerd Hoffmann | len = optstr - str; |
595 | 62b6adfb | Gerd Hoffmann | if (len) {
|
596 | 62b6adfb | Gerd Hoffmann | path = qemu_malloc(len+1);
|
597 | 62b6adfb | Gerd Hoffmann | snprintf(path, len+1, "%.*s", len, str); |
598 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", path);
|
599 | 62b6adfb | Gerd Hoffmann | qemu_free(path); |
600 | 62b6adfb | Gerd Hoffmann | } |
601 | 62b6adfb | Gerd Hoffmann | } else {
|
602 | 62b6adfb | Gerd Hoffmann | qemu_opt_set(opts, "path", str);
|
603 | 62b6adfb | Gerd Hoffmann | } |
604 | 62b6adfb | Gerd Hoffmann | |
605 | 62b6adfb | Gerd Hoffmann | sock = unix_listen_opts(opts); |
606 | 62b6adfb | Gerd Hoffmann | |
607 | 62b6adfb | Gerd Hoffmann | if (sock != -1 && ostr) |
608 | 62b6adfb | Gerd Hoffmann | snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : ""); |
609 | 62b6adfb | Gerd Hoffmann | qemu_opts_del(opts); |
610 | 62b6adfb | Gerd Hoffmann | return sock;
|
611 | 62b6adfb | Gerd Hoffmann | } |
612 | 62b6adfb | Gerd Hoffmann | |
613 | 2af2bf67 | Gerd Hoffmann | int unix_connect(const char *path) |
614 | 2af2bf67 | Gerd Hoffmann | { |
615 | 2af2bf67 | Gerd Hoffmann | QemuOpts *opts; |
616 | 2af2bf67 | Gerd Hoffmann | int sock;
|
617 | 2af2bf67 | Gerd Hoffmann | |
618 | 2af2bf67 | Gerd Hoffmann | opts = qemu_opts_create(&dummy_opts, NULL, 0); |
619 | 2af2bf67 | Gerd Hoffmann | qemu_opt_set(opts, "path", path);
|
620 | 2af2bf67 | Gerd Hoffmann | sock = unix_connect_opts(opts); |
621 | 2af2bf67 | Gerd Hoffmann | qemu_opts_del(opts); |
622 | 2af2bf67 | Gerd Hoffmann | return sock;
|
623 | 2af2bf67 | Gerd Hoffmann | } |
624 | 2af2bf67 | Gerd Hoffmann | |
625 | d247d25f | aliguori | #else
|
626 | d247d25f | aliguori | |
627 | 108af7b9 | Gerd Hoffmann | int unix_listen_opts(QemuOpts *opts)
|
628 | 108af7b9 | Gerd Hoffmann | { |
629 | 108af7b9 | Gerd Hoffmann | fprintf(stderr, "unix sockets are not available on windows\n");
|
630 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
631 | 108af7b9 | Gerd Hoffmann | return -1; |
632 | 108af7b9 | Gerd Hoffmann | } |
633 | 108af7b9 | Gerd Hoffmann | |
634 | 108af7b9 | Gerd Hoffmann | int unix_connect_opts(QemuOpts *opts)
|
635 | 108af7b9 | Gerd Hoffmann | { |
636 | 108af7b9 | Gerd Hoffmann | fprintf(stderr, "unix sockets are not available on windows\n");
|
637 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
638 | 108af7b9 | Gerd Hoffmann | return -1; |
639 | 108af7b9 | Gerd Hoffmann | } |
640 | 108af7b9 | Gerd Hoffmann | |
641 | d247d25f | aliguori | int unix_listen(const char *path, char *ostr, int olen) |
642 | d247d25f | aliguori | { |
643 | d247d25f | aliguori | fprintf(stderr, "unix sockets are not available on windows\n");
|
644 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
645 | d247d25f | aliguori | return -1; |
646 | d247d25f | aliguori | } |
647 | d247d25f | aliguori | |
648 | d247d25f | aliguori | int unix_connect(const char *path) |
649 | d247d25f | aliguori | { |
650 | d247d25f | aliguori | fprintf(stderr, "unix sockets are not available on windows\n");
|
651 | b82eac92 | Nick Thomas | errno = ENOTSUP; |
652 | d247d25f | aliguori | return -1; |
653 | d247d25f | aliguori | } |
654 | d247d25f | aliguori | |
655 | d247d25f | aliguori | #endif
|
656 | 0706a4dc | Paolo Bonzini | |
657 | 0706a4dc | Paolo Bonzini | #ifdef _WIN32
|
658 | 0706a4dc | Paolo Bonzini | static void socket_cleanup(void) |
659 | 0706a4dc | Paolo Bonzini | { |
660 | 0706a4dc | Paolo Bonzini | WSACleanup(); |
661 | 0706a4dc | Paolo Bonzini | } |
662 | 0706a4dc | Paolo Bonzini | #endif
|
663 | 0706a4dc | Paolo Bonzini | |
664 | 0706a4dc | Paolo Bonzini | int socket_init(void) |
665 | 0706a4dc | Paolo Bonzini | { |
666 | 0706a4dc | Paolo Bonzini | #ifdef _WIN32
|
667 | 0706a4dc | Paolo Bonzini | WSADATA Data; |
668 | 0706a4dc | Paolo Bonzini | int ret, err;
|
669 | 0706a4dc | Paolo Bonzini | |
670 | 0706a4dc | Paolo Bonzini | ret = WSAStartup(MAKEWORD(2,2), &Data); |
671 | 0706a4dc | Paolo Bonzini | if (ret != 0) { |
672 | 0706a4dc | Paolo Bonzini | err = WSAGetLastError(); |
673 | 0706a4dc | Paolo Bonzini | fprintf(stderr, "WSAStartup: %d\n", err);
|
674 | 0706a4dc | Paolo Bonzini | return -1; |
675 | 0706a4dc | Paolo Bonzini | } |
676 | 0706a4dc | Paolo Bonzini | atexit(socket_cleanup); |
677 | 0706a4dc | Paolo Bonzini | #endif
|
678 | 0706a4dc | Paolo Bonzini | return 0; |
679 | 0706a4dc | Paolo Bonzini | } |