aliguori | 305b0eb | 2008-11-13 16:19:54 +0000 | [diff] [blame] | 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. |
Paolo Bonzini | e6d91ab | 2012-07-09 11:08:39 +0200 | [diff] [blame] | 14 | * |
| 15 | * Contributions after 2012-01-13 are licensed under the terms of the |
| 16 | * GNU GPL, version 2 or (at your option) any later version. |
aliguori | 305b0eb | 2008-11-13 16:19:54 +0000 | [diff] [blame] | 17 | */ |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 18 | #include <stdio.h> |
| 19 | #include <stdlib.h> |
| 20 | #include <string.h> |
| 21 | #include <ctype.h> |
| 22 | #include <errno.h> |
| 23 | #include <unistd.h> |
| 24 | |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 25 | #include "monitor/monitor.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 26 | #include "qemu/sockets.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 27 | #include "qemu/main-loop.h" |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 28 | |
| 29 | #ifndef AI_ADDRCONFIG |
| 30 | # define AI_ADDRCONFIG 0 |
| 31 | #endif |
| 32 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 33 | static const int on=1, off=0; |
| 34 | |
Kevin Wolf | e62be88 | 2013-03-15 17:14:24 +0100 | [diff] [blame] | 35 | /* used temporarily until all users are converted to QemuOpts */ |
| 36 | QemuOptsList socket_optslist = { |
| 37 | .name = "socket", |
| 38 | .head = QTAILQ_HEAD_INITIALIZER(socket_optslist.head), |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 39 | .desc = { |
| 40 | { |
| 41 | .name = "path", |
| 42 | .type = QEMU_OPT_STRING, |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 43 | },{ |
| 44 | .name = "host", |
| 45 | .type = QEMU_OPT_STRING, |
| 46 | },{ |
| 47 | .name = "port", |
| 48 | .type = QEMU_OPT_STRING, |
| 49 | },{ |
| 50 | .name = "to", |
| 51 | .type = QEMU_OPT_NUMBER, |
| 52 | },{ |
| 53 | .name = "ipv4", |
| 54 | .type = QEMU_OPT_BOOL, |
| 55 | },{ |
| 56 | .name = "ipv6", |
| 57 | .type = QEMU_OPT_BOOL, |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 58 | }, |
| 59 | { /* end if list */ } |
| 60 | }, |
| 61 | }; |
| 62 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 63 | static int inet_getport(struct addrinfo *e) |
| 64 | { |
| 65 | struct sockaddr_in *i4; |
| 66 | struct sockaddr_in6 *i6; |
| 67 | |
| 68 | switch (e->ai_family) { |
| 69 | case PF_INET6: |
| 70 | i6 = (void*)e->ai_addr; |
| 71 | return ntohs(i6->sin6_port); |
| 72 | case PF_INET: |
| 73 | i4 = (void*)e->ai_addr; |
| 74 | return ntohs(i4->sin_port); |
| 75 | default: |
| 76 | return 0; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static void inet_setport(struct addrinfo *e, int port) |
| 81 | { |
| 82 | struct sockaddr_in *i4; |
| 83 | struct sockaddr_in6 *i6; |
| 84 | |
| 85 | switch (e->ai_family) { |
| 86 | case PF_INET6: |
| 87 | i6 = (void*)e->ai_addr; |
| 88 | i6->sin6_port = htons(port); |
| 89 | break; |
| 90 | case PF_INET: |
| 91 | i4 = (void*)e->ai_addr; |
| 92 | i4->sin_port = htons(port); |
| 93 | break; |
| 94 | } |
| 95 | } |
| 96 | |
Luiz Capitulino | c9c4b34 | 2010-01-20 11:42:38 -0200 | [diff] [blame] | 97 | const char *inet_strfamily(int family) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 98 | { |
| 99 | switch (family) { |
| 100 | case PF_INET6: return "ipv6"; |
| 101 | case PF_INET: return "ipv4"; |
| 102 | case PF_UNIX: return "unix"; |
| 103 | } |
Luiz Capitulino | c445321 | 2010-01-20 11:42:39 -0200 | [diff] [blame] | 104 | return "unknown"; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 107 | int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 108 | { |
| 109 | struct addrinfo ai,*res,*e; |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 110 | const char *addr; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 111 | char port[33]; |
| 112 | char uaddr[INET6_ADDRSTRLEN+1]; |
| 113 | char uport[33]; |
Markus Armbruster | 877691f | 2012-02-07 15:09:15 +0100 | [diff] [blame] | 114 | int slisten, rc, to, port_min, port_max, p; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 115 | |
| 116 | memset(&ai,0, sizeof(ai)); |
| 117 | ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG; |
| 118 | ai.ai_family = PF_UNSPEC; |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 119 | ai.ai_socktype = SOCK_STREAM; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 120 | |
Jens Osterkamp | e23a22e | 2010-04-12 10:51:01 +0200 | [diff] [blame] | 121 | if ((qemu_opt_get(opts, "host") == NULL) || |
| 122 | (qemu_opt_get(opts, "port") == NULL)) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 123 | error_setg(errp, "host and/or port not specified"); |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 124 | return -1; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 125 | } |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 126 | pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port")); |
| 127 | addr = qemu_opt_get(opts, "host"); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 128 | |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 129 | to = qemu_opt_get_number(opts, "to", 0); |
| 130 | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 131 | ai.ai_family = PF_INET; |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 132 | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 133 | ai.ai_family = PF_INET6; |
| 134 | |
| 135 | /* lookup */ |
| 136 | if (port_offset) |
| 137 | snprintf(port, sizeof(port), "%d", atoi(port) + port_offset); |
| 138 | rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res); |
| 139 | if (rc != 0) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 140 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
| 141 | gai_strerror(rc)); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 142 | return -1; |
| 143 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 144 | |
| 145 | /* create socket + bind */ |
| 146 | for (e = res; e != NULL; e = e->ai_next) { |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 147 | getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, |
| 148 | uaddr,INET6_ADDRSTRLEN,uport,32, |
| 149 | NI_NUMERICHOST | NI_NUMERICSERV); |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 150 | slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 151 | if (slisten < 0) { |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 152 | if (!e->ai_next) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 153 | error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 154 | } |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 155 | continue; |
| 156 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 157 | |
Sebastian Ottlik | 04fd1c7 | 2013-10-02 12:23:16 +0200 | [diff] [blame] | 158 | socket_set_fast_reuse(slisten); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 159 | #ifdef IPV6_V6ONLY |
| 160 | if (e->ai_family == PF_INET6) { |
| 161 | /* listen on both ipv4 and ipv6 */ |
Stefan Weil | 9957fc7 | 2013-03-08 19:58:32 +0100 | [diff] [blame] | 162 | qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off, |
| 163 | sizeof(off)); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 164 | } |
| 165 | #endif |
| 166 | |
Markus Armbruster | 877691f | 2012-02-07 15:09:15 +0100 | [diff] [blame] | 167 | port_min = inet_getport(e); |
| 168 | port_max = to ? to + port_offset : port_min; |
| 169 | for (p = port_min; p <= port_max; p++) { |
| 170 | inet_setport(e, p); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 171 | if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) { |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 172 | goto listen; |
| 173 | } |
Markus Armbruster | 877691f | 2012-02-07 15:09:15 +0100 | [diff] [blame] | 174 | if (p == port_max) { |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 175 | if (!e->ai_next) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 176 | error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 177 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 178 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 179 | } |
| 180 | closesocket(slisten); |
| 181 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 182 | freeaddrinfo(res); |
| 183 | return -1; |
| 184 | |
| 185 | listen: |
| 186 | if (listen(slisten,1) != 0) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 187 | error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 188 | closesocket(slisten); |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 189 | freeaddrinfo(res); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 190 | return -1; |
| 191 | } |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 192 | snprintf(uport, sizeof(uport), "%d", inet_getport(e) - port_offset); |
| 193 | qemu_opt_set(opts, "host", uaddr); |
| 194 | qemu_opt_set(opts, "port", uport); |
| 195 | qemu_opt_set(opts, "ipv6", (e->ai_family == PF_INET6) ? "on" : "off"); |
| 196 | qemu_opt_set(opts, "ipv4", (e->ai_family != PF_INET6) ? "on" : "off"); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 197 | freeaddrinfo(res); |
| 198 | return slisten; |
| 199 | } |
| 200 | |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 201 | #ifdef _WIN32 |
| 202 | #define QEMU_SOCKET_RC_INPROGRESS(rc) \ |
| 203 | ((rc) == -EINPROGRESS || (rc) == -EWOULDBLOCK || (rc) == -WSAEALREADY) |
| 204 | #else |
| 205 | #define QEMU_SOCKET_RC_INPROGRESS(rc) \ |
| 206 | ((rc) == -EINPROGRESS) |
| 207 | #endif |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 208 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 209 | /* Struct to store connect state for non blocking connect */ |
| 210 | typedef struct ConnectState { |
| 211 | int fd; |
| 212 | struct addrinfo *addr_list; |
| 213 | struct addrinfo *current_addr; |
| 214 | NonBlockingConnectHandler *callback; |
| 215 | void *opaque; |
| 216 | } ConnectState; |
| 217 | |
| 218 | static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 219 | ConnectState *connect_state, Error **errp); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 220 | |
| 221 | static void wait_for_connect(void *opaque) |
| 222 | { |
| 223 | ConnectState *s = opaque; |
| 224 | int val = 0, rc = 0; |
| 225 | socklen_t valsize = sizeof(val); |
| 226 | bool in_progress; |
| 227 | |
| 228 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
| 229 | |
| 230 | do { |
Stefan Weil | 9957fc7 | 2013-03-08 19:58:32 +0100 | [diff] [blame] | 231 | rc = qemu_getsockopt(s->fd, SOL_SOCKET, SO_ERROR, &val, &valsize); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 232 | } while (rc == -1 && socket_error() == EINTR); |
| 233 | |
| 234 | /* update rc to contain error */ |
| 235 | if (!rc && val) { |
| 236 | rc = -1; |
| 237 | } |
| 238 | |
| 239 | /* connect error */ |
| 240 | if (rc < 0) { |
| 241 | closesocket(s->fd); |
| 242 | s->fd = rc; |
| 243 | } |
| 244 | |
| 245 | /* try to connect to the next address on the list */ |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 246 | if (s->current_addr) { |
| 247 | while (s->current_addr->ai_next != NULL && s->fd < 0) { |
| 248 | s->current_addr = s->current_addr->ai_next; |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 249 | s->fd = inet_connect_addr(s->current_addr, &in_progress, s, NULL); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 250 | /* connect in progress */ |
| 251 | if (in_progress) { |
| 252 | return; |
| 253 | } |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 254 | } |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 255 | |
| 256 | freeaddrinfo(s->addr_list); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 257 | } |
| 258 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 259 | if (s->callback) { |
| 260 | s->callback(s->fd, s->opaque); |
| 261 | } |
| 262 | g_free(s); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 266 | ConnectState *connect_state, Error **errp) |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 267 | { |
| 268 | int sock, rc; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 269 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 270 | *in_progress = false; |
Luiz Capitulino | 02a08fe | 2012-08-01 13:42:47 -0300 | [diff] [blame] | 271 | |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 272 | sock = qemu_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); |
| 273 | if (sock < 0) { |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 274 | error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 275 | return -1; |
| 276 | } |
Sebastian Ottlik | 04fd1c7 | 2013-10-02 12:23:16 +0200 | [diff] [blame] | 277 | socket_set_fast_reuse(sock); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 278 | if (connect_state != NULL) { |
Stefan Hajnoczi | f9e8cac | 2013-03-27 10:10:43 +0100 | [diff] [blame] | 279 | qemu_set_nonblock(sock); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 280 | } |
| 281 | /* connect to peer */ |
| 282 | do { |
| 283 | rc = 0; |
| 284 | if (connect(sock, addr->ai_addr, addr->ai_addrlen) < 0) { |
| 285 | rc = -socket_error(); |
| 286 | } |
| 287 | } while (rc == -EINTR); |
| 288 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 289 | if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) { |
| 290 | connect_state->fd = sock; |
| 291 | qemu_set_fd_handler2(sock, NULL, NULL, wait_for_connect, |
| 292 | connect_state); |
| 293 | *in_progress = true; |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 294 | } else if (rc < 0) { |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 295 | error_set_errno(errp, errno, QERR_SOCKET_CONNECT_FAILED); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 296 | closesocket(sock); |
| 297 | return -1; |
| 298 | } |
| 299 | return sock; |
| 300 | } |
| 301 | |
| 302 | static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp) |
| 303 | { |
| 304 | struct addrinfo ai, *res; |
| 305 | int rc; |
| 306 | const char *addr; |
| 307 | const char *port; |
| 308 | |
| 309 | memset(&ai, 0, sizeof(ai)); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 310 | |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 311 | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
| 312 | ai.ai_family = PF_UNSPEC; |
| 313 | ai.ai_socktype = SOCK_STREAM; |
| 314 | |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 315 | addr = qemu_opt_get(opts, "host"); |
| 316 | port = qemu_opt_get(opts, "port"); |
| 317 | if (addr == NULL || port == NULL) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 318 | error_setg(errp, "host and/or port not specified"); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 319 | return NULL; |
| 320 | } |
| 321 | |
| 322 | if (qemu_opt_get_bool(opts, "ipv4", 0)) { |
| 323 | ai.ai_family = PF_INET; |
| 324 | } |
| 325 | if (qemu_opt_get_bool(opts, "ipv6", 0)) { |
| 326 | ai.ai_family = PF_INET6; |
| 327 | } |
| 328 | |
| 329 | /* lookup */ |
| 330 | rc = getaddrinfo(addr, port, &ai, &res); |
| 331 | if (rc != 0) { |
Paolo Bonzini | a12fb8a | 2012-10-02 09:18:02 +0200 | [diff] [blame] | 332 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
| 333 | gai_strerror(rc)); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 334 | return NULL; |
| 335 | } |
| 336 | return res; |
| 337 | } |
| 338 | |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 339 | /** |
| 340 | * Create a socket and connect it to an address. |
| 341 | * |
| 342 | * @opts: QEMU options, recognized parameters strings "host" and "port", |
| 343 | * bools "ipv4" and "ipv6". |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 344 | * @errp: set on error |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 345 | * @callback: callback function for non-blocking connect |
| 346 | * @opaque: opaque for callback function |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 347 | * |
| 348 | * Returns: -1 on error, file descriptor on success. |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 349 | * |
| 350 | * If @callback is non-null, the connect is non-blocking. If this |
| 351 | * function succeeds, callback will be called when the connection |
| 352 | * completes, with the file descriptor on success, or -1 on error. |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 353 | */ |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 354 | int inet_connect_opts(QemuOpts *opts, Error **errp, |
| 355 | NonBlockingConnectHandler *callback, void *opaque) |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 356 | { |
| 357 | struct addrinfo *res, *e; |
| 358 | int sock = -1; |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 359 | bool in_progress; |
| 360 | ConnectState *connect_state = NULL; |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 361 | |
| 362 | res = inet_parse_connect_opts(opts, errp); |
| 363 | if (!res) { |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 364 | return -1; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 365 | } |
| 366 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 367 | if (callback != NULL) { |
| 368 | connect_state = g_malloc0(sizeof(*connect_state)); |
| 369 | connect_state->addr_list = res; |
| 370 | connect_state->callback = callback; |
| 371 | connect_state->opaque = opaque; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 372 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 373 | |
| 374 | for (e = res; e != NULL; e = e->ai_next) { |
Anthony Liguori | baca6f1 | 2013-03-05 23:21:16 +0530 | [diff] [blame] | 375 | if (error_is_set(errp)) { |
| 376 | error_free(*errp); |
| 377 | *errp = NULL; |
| 378 | } |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 379 | if (connect_state != NULL) { |
| 380 | connect_state->current_addr = e; |
| 381 | } |
Paolo Bonzini | 11663b5 | 2012-10-02 09:19:01 +0200 | [diff] [blame] | 382 | sock = inet_connect_addr(e, &in_progress, connect_state, errp); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 383 | if (in_progress) { |
| 384 | return sock; |
| 385 | } else if (sock >= 0) { |
| 386 | /* non blocking socket immediate success, call callback */ |
| 387 | if (callback != NULL) { |
| 388 | callback(sock, opaque); |
| 389 | } |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 390 | break; |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 391 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 392 | } |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 393 | g_free(connect_state); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 394 | freeaddrinfo(res); |
Michael S. Tsirkin | 05bc1d8 | 2012-09-24 13:11:07 +0200 | [diff] [blame] | 395 | return sock; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 396 | } |
| 397 | |
Paolo Bonzini | 7fc4e63 | 2012-10-02 09:35:32 +0200 | [diff] [blame] | 398 | int inet_dgram_opts(QemuOpts *opts, Error **errp) |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 399 | { |
| 400 | struct addrinfo ai, *peer = NULL, *local = NULL; |
| 401 | const char *addr; |
| 402 | const char *port; |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 403 | int sock = -1, rc; |
| 404 | |
| 405 | /* lookup peer addr */ |
| 406 | memset(&ai,0, sizeof(ai)); |
| 407 | ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
| 408 | ai.ai_family = PF_UNSPEC; |
| 409 | ai.ai_socktype = SOCK_DGRAM; |
| 410 | |
| 411 | addr = qemu_opt_get(opts, "host"); |
| 412 | port = qemu_opt_get(opts, "port"); |
| 413 | if (addr == NULL || strlen(addr) == 0) { |
| 414 | addr = "localhost"; |
| 415 | } |
| 416 | if (port == NULL || strlen(port) == 0) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 417 | error_setg(errp, "remote port not specified"); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 418 | return -1; |
| 419 | } |
| 420 | |
| 421 | if (qemu_opt_get_bool(opts, "ipv4", 0)) |
| 422 | ai.ai_family = PF_INET; |
| 423 | if (qemu_opt_get_bool(opts, "ipv6", 0)) |
| 424 | ai.ai_family = PF_INET6; |
| 425 | |
| 426 | if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 427 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
| 428 | gai_strerror(rc)); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 429 | return -1; |
| 430 | } |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 431 | |
| 432 | /* lookup local addr */ |
| 433 | memset(&ai,0, sizeof(ai)); |
| 434 | ai.ai_flags = AI_PASSIVE; |
| 435 | ai.ai_family = peer->ai_family; |
| 436 | ai.ai_socktype = SOCK_DGRAM; |
| 437 | |
| 438 | addr = qemu_opt_get(opts, "localaddr"); |
| 439 | port = qemu_opt_get(opts, "localport"); |
| 440 | if (addr == NULL || strlen(addr) == 0) { |
| 441 | addr = NULL; |
| 442 | } |
| 443 | if (!port || strlen(port) == 0) |
| 444 | port = "0"; |
| 445 | |
| 446 | if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 447 | error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, |
| 448 | gai_strerror(rc)); |
Stefan Weil | 39b3845 | 2012-09-01 09:40:26 +0200 | [diff] [blame] | 449 | goto err; |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 450 | } |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 451 | |
| 452 | /* create socket */ |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 453 | sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 454 | if (sock < 0) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 455 | error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 456 | goto err; |
| 457 | } |
Sebastian Ottlik | 04fd1c7 | 2013-10-02 12:23:16 +0200 | [diff] [blame] | 458 | socket_set_fast_reuse(sock); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 459 | |
| 460 | /* bind socket */ |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 461 | if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 462 | error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 463 | goto err; |
| 464 | } |
| 465 | |
| 466 | /* connect to peer */ |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 467 | if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { |
Paolo Bonzini | 4f085c8 | 2012-10-02 09:25:14 +0200 | [diff] [blame] | 468 | error_set_errno(errp, errno, QERR_SOCKET_CONNECT_FAILED); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 469 | goto err; |
| 470 | } |
| 471 | |
| 472 | freeaddrinfo(local); |
| 473 | freeaddrinfo(peer); |
| 474 | return sock; |
| 475 | |
| 476 | err: |
| 477 | if (-1 != sock) |
| 478 | closesocket(sock); |
| 479 | if (local) |
| 480 | freeaddrinfo(local); |
| 481 | if (peer) |
| 482 | freeaddrinfo(peer); |
| 483 | return -1; |
| 484 | } |
| 485 | |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 486 | /* compatibility wrapper */ |
Kevin Wolf | f17c90b | 2013-03-15 11:55:29 +0100 | [diff] [blame] | 487 | InetSocketAddress *inet_parse(const char *str, Error **errp) |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 488 | { |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 489 | InetSocketAddress *addr; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 490 | const char *optstr, *h; |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 491 | char host[64]; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 492 | char port[33]; |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 493 | int to; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 494 | int pos; |
| 495 | |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 496 | addr = g_new0(InetSocketAddress, 1); |
| 497 | |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 498 | /* parse address */ |
| 499 | if (str[0] == ':') { |
| 500 | /* no host given */ |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 501 | host[0] = '\0'; |
| 502 | if (1 != sscanf(str, ":%32[^,]%n", port, &pos)) { |
Paolo Bonzini | 2f002c4 | 2012-09-19 13:22:21 +0200 | [diff] [blame] | 503 | error_setg(errp, "error parsing port in address '%s'", str); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 504 | goto fail; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 505 | } |
| 506 | } else if (str[0] == '[') { |
| 507 | /* IPv6 addr */ |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 508 | if (2 != sscanf(str, "[%64[^]]]:%32[^,]%n", host, port, &pos)) { |
Paolo Bonzini | 2f002c4 | 2012-09-19 13:22:21 +0200 | [diff] [blame] | 509 | error_setg(errp, "error parsing IPv6 address '%s'", str); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 510 | goto fail; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 511 | } |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 512 | addr->ipv6 = addr->has_ipv6 = true; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 513 | } else { |
Ján Tomko | 391b7b9 | 2013-06-03 17:54:55 +0200 | [diff] [blame] | 514 | /* hostname or IPv4 addr */ |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 515 | if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) { |
Paolo Bonzini | 2f002c4 | 2012-09-19 13:22:21 +0200 | [diff] [blame] | 516 | error_setg(errp, "error parsing address '%s'", str); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 517 | goto fail; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 518 | } |
Ján Tomko | 391b7b9 | 2013-06-03 17:54:55 +0200 | [diff] [blame] | 519 | if (host[strspn(host, "0123456789.")] == '\0') { |
| 520 | addr->ipv4 = addr->has_ipv4 = true; |
| 521 | } |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 522 | } |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 523 | |
| 524 | addr->host = g_strdup(host); |
| 525 | addr->port = g_strdup(port); |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 526 | |
| 527 | /* parse options */ |
| 528 | optstr = str + pos; |
| 529 | h = strstr(optstr, ",to="); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 530 | if (h) { |
Anthony PERARD | 1ccbc28 | 2012-11-16 04:08:14 +0000 | [diff] [blame] | 531 | h += 4; |
| 532 | if (sscanf(h, "%d%n", &to, &pos) != 1 || |
| 533 | (h[pos] != '\0' && h[pos] != ',')) { |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 534 | error_setg(errp, "error parsing to= argument"); |
| 535 | goto fail; |
| 536 | } |
| 537 | addr->has_to = true; |
| 538 | addr->to = to; |
| 539 | } |
| 540 | if (strstr(optstr, ",ipv4")) { |
| 541 | addr->ipv4 = addr->has_ipv4 = true; |
| 542 | } |
| 543 | if (strstr(optstr, ",ipv6")) { |
| 544 | addr->ipv6 = addr->has_ipv6 = true; |
| 545 | } |
| 546 | return addr; |
| 547 | |
| 548 | fail: |
| 549 | qapi_free_InetSocketAddress(addr); |
| 550 | return NULL; |
| 551 | } |
| 552 | |
Kevin Wolf | f17c90b | 2013-03-15 11:55:29 +0100 | [diff] [blame] | 553 | static void inet_addr_to_opts(QemuOpts *opts, const InetSocketAddress *addr) |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 554 | { |
| 555 | bool ipv4 = addr->ipv4 || !addr->has_ipv4; |
| 556 | bool ipv6 = addr->ipv6 || !addr->has_ipv6; |
| 557 | |
| 558 | if (!ipv4 || !ipv6) { |
| 559 | qemu_opt_set_bool(opts, "ipv4", ipv4); |
| 560 | qemu_opt_set_bool(opts, "ipv6", ipv6); |
| 561 | } |
| 562 | if (addr->has_to) { |
| 563 | char to[20]; |
| 564 | snprintf(to, sizeof(to), "%d", addr->to); |
| 565 | qemu_opt_set(opts, "to", to); |
| 566 | } |
| 567 | qemu_opt_set(opts, "host", addr->host); |
| 568 | qemu_opt_set(opts, "port", addr->port); |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 569 | } |
| 570 | |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 571 | int inet_listen(const char *str, char *ostr, int olen, |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 572 | int socktype, int port_offset, Error **errp) |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 573 | { |
| 574 | QemuOpts *opts; |
| 575 | char *optstr; |
| 576 | int sock = -1; |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 577 | InetSocketAddress *addr; |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 578 | |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 579 | addr = inet_parse(str, errp); |
| 580 | if (addr != NULL) { |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 581 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 582 | inet_addr_to_opts(opts, addr); |
| 583 | qapi_free_InetSocketAddress(addr); |
Amos Kong | 029409e | 2012-05-11 00:28:26 +0800 | [diff] [blame] | 584 | sock = inet_listen_opts(opts, port_offset, errp); |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 585 | if (sock != -1 && ostr) { |
| 586 | optstr = strchr(str, ','); |
| 587 | if (qemu_opt_get_bool(opts, "ipv6", 0)) { |
| 588 | snprintf(ostr, olen, "[%s]:%s%s", |
| 589 | qemu_opt_get(opts, "host"), |
| 590 | qemu_opt_get(opts, "port"), |
| 591 | optstr ? optstr : ""); |
| 592 | } else { |
| 593 | snprintf(ostr, olen, "%s:%s%s", |
| 594 | qemu_opt_get(opts, "host"), |
| 595 | qemu_opt_get(opts, "port"), |
| 596 | optstr ? optstr : ""); |
| 597 | } |
| 598 | } |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 599 | qemu_opts_del(opts); |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 600 | } |
Gerd Hoffmann | e5bc776 | 2009-09-10 10:58:41 +0200 | [diff] [blame] | 601 | return sock; |
| 602 | } |
| 603 | |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 604 | /** |
| 605 | * Create a blocking socket and connect it to an address. |
| 606 | * |
| 607 | * @str: address string |
| 608 | * @errp: set in case of an error |
| 609 | * |
| 610 | * Returns -1 in case of error, file descriptor on success |
| 611 | **/ |
| 612 | int inet_connect(const char *str, Error **errp) |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 613 | { |
| 614 | QemuOpts *opts; |
| 615 | int sock = -1; |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 616 | InetSocketAddress *addr; |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 617 | |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 618 | addr = inet_parse(str, errp); |
| 619 | if (addr != NULL) { |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 620 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 621 | inet_addr_to_opts(opts, addr); |
| 622 | qapi_free_InetSocketAddress(addr); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 623 | sock = inet_connect_opts(opts, errp, NULL, NULL); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 624 | qemu_opts_del(opts); |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 625 | } |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 626 | return sock; |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * Create a non-blocking socket and connect it to an address. |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 631 | * Calls the callback function with fd in case of success or -1 in case of |
| 632 | * error. |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 633 | * |
| 634 | * @str: address string |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 635 | * @callback: callback function that is called when connect completes, |
| 636 | * cannot be NULL. |
| 637 | * @opaque: opaque for callback function |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 638 | * @errp: set in case of an error |
| 639 | * |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 640 | * Returns: -1 on immediate error, file descriptor on success. |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 641 | **/ |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 642 | int inet_nonblocking_connect(const char *str, |
| 643 | NonBlockingConnectHandler *callback, |
| 644 | void *opaque, Error **errp) |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 645 | { |
| 646 | QemuOpts *opts; |
| 647 | int sock = -1; |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 648 | InetSocketAddress *addr; |
Orit Wasserman | 5db5f44 | 2012-09-24 13:11:08 +0200 | [diff] [blame] | 649 | |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 650 | g_assert(callback != NULL); |
| 651 | |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 652 | addr = inet_parse(str, errp); |
| 653 | if (addr != NULL) { |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 654 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 655 | inet_addr_to_opts(opts, addr); |
| 656 | qapi_free_InetSocketAddress(addr); |
Orit Wasserman | 233aa5c | 2012-09-24 13:11:09 +0200 | [diff] [blame] | 657 | sock = inet_connect_opts(opts, errp, callback, opaque); |
Paolo Bonzini | 879e45c | 2012-09-19 13:51:46 +0200 | [diff] [blame] | 658 | qemu_opts_del(opts); |
Amos Kong | a6ba35b | 2012-05-11 00:28:16 +0800 | [diff] [blame] | 659 | } |
Gerd Hoffmann | f4c94c7 | 2009-09-10 10:58:40 +0200 | [diff] [blame] | 660 | return sock; |
| 661 | } |
| 662 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 663 | #ifndef _WIN32 |
| 664 | |
Paolo Bonzini | 7fc4e63 | 2012-10-02 09:35:32 +0200 | [diff] [blame] | 665 | int unix_listen_opts(QemuOpts *opts, Error **errp) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 666 | { |
| 667 | struct sockaddr_un un; |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 668 | const char *path = qemu_opt_get(opts, "path"); |
| 669 | int sock, fd; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 670 | |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 671 | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 672 | if (sock < 0) { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 673 | error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 674 | return -1; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 675 | } |
| 676 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 677 | memset(&un, 0, sizeof(un)); |
| 678 | un.sun_family = AF_UNIX; |
| 679 | if (path && strlen(path)) { |
| 680 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
| 681 | } else { |
| 682 | char *tmpdir = getenv("TMPDIR"); |
| 683 | snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX", |
| 684 | tmpdir ? tmpdir : "/tmp"); |
| 685 | /* |
| 686 | * This dummy fd usage silences the mktemp() unsecure warning. |
| 687 | * Using mkstemp() doesn't make things more secure here |
| 688 | * though. bind() complains about existing files, so we have |
| 689 | * to unlink first and thus re-open the race window. The |
| 690 | * worst case possible is bind() failing, i.e. a DoS attack. |
| 691 | */ |
| 692 | fd = mkstemp(un.sun_path); close(fd); |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 693 | qemu_opt_set(opts, "path", un.sun_path); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 694 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 695 | |
| 696 | unlink(un.sun_path); |
| 697 | if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 698 | error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 699 | goto err; |
| 700 | } |
| 701 | if (listen(sock, 1) < 0) { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 702 | error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 703 | goto err; |
| 704 | } |
| 705 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 706 | return sock; |
| 707 | |
| 708 | err: |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 709 | closesocket(sock); |
| 710 | return -1; |
| 711 | } |
| 712 | |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 713 | int unix_connect_opts(QemuOpts *opts, Error **errp, |
| 714 | NonBlockingConnectHandler *callback, void *opaque) |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 715 | { |
| 716 | struct sockaddr_un un; |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 717 | const char *path = qemu_opt_get(opts, "path"); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 718 | ConnectState *connect_state = NULL; |
| 719 | int sock, rc; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 720 | |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 721 | if (NULL == path) { |
Markus Armbruster | 312fd5f | 2013-02-08 21:22:16 +0100 | [diff] [blame] | 722 | error_setg(errp, "unix connect: no path specified"); |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 723 | return -1; |
| 724 | } |
| 725 | |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 726 | sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 727 | if (sock < 0) { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 728 | error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); |
vibi | 39b6efc | 2009-05-06 15:27:03 +0530 | [diff] [blame] | 729 | return -1; |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 730 | } |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 731 | if (callback != NULL) { |
| 732 | connect_state = g_malloc0(sizeof(*connect_state)); |
| 733 | connect_state->callback = callback; |
| 734 | connect_state->opaque = opaque; |
Stefan Hajnoczi | f9e8cac | 2013-03-27 10:10:43 +0100 | [diff] [blame] | 735 | qemu_set_nonblock(sock); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 736 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 737 | |
| 738 | memset(&un, 0, sizeof(un)); |
| 739 | un.sun_family = AF_UNIX; |
| 740 | snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 741 | |
| 742 | /* connect to peer */ |
| 743 | do { |
| 744 | rc = 0; |
| 745 | if (connect(sock, (struct sockaddr *) &un, sizeof(un)) < 0) { |
| 746 | rc = -socket_error(); |
| 747 | } |
| 748 | } while (rc == -EINTR); |
| 749 | |
| 750 | if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) { |
| 751 | connect_state->fd = sock; |
| 752 | qemu_set_fd_handler2(sock, NULL, NULL, wait_for_connect, |
| 753 | connect_state); |
| 754 | return sock; |
| 755 | } else if (rc >= 0) { |
| 756 | /* non blocking socket immediate success, call callback */ |
| 757 | if (callback != NULL) { |
| 758 | callback(sock, opaque); |
| 759 | } |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 760 | } |
| 761 | |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 762 | if (rc < 0) { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 763 | error_set_errno(errp, -rc, QERR_SOCKET_CONNECT_FAILED); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 764 | close(sock); |
| 765 | sock = -1; |
| 766 | } |
| 767 | |
| 768 | g_free(connect_state); |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 769 | return sock; |
| 770 | } |
| 771 | |
Paolo Bonzini | 0c81470 | 2012-10-18 08:44:00 +0200 | [diff] [blame] | 772 | #else |
| 773 | |
| 774 | int unix_listen_opts(QemuOpts *opts, Error **errp) |
| 775 | { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 776 | error_setg(errp, "unix sockets are not available on windows"); |
Paolo Bonzini | 0c81470 | 2012-10-18 08:44:00 +0200 | [diff] [blame] | 777 | errno = ENOTSUP; |
| 778 | return -1; |
| 779 | } |
| 780 | |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 781 | int unix_connect_opts(QemuOpts *opts, Error **errp, |
| 782 | NonBlockingConnectHandler *callback, void *opaque) |
Paolo Bonzini | 0c81470 | 2012-10-18 08:44:00 +0200 | [diff] [blame] | 783 | { |
Paolo Bonzini | 5889966 | 2012-09-19 13:54:39 +0200 | [diff] [blame] | 784 | error_setg(errp, "unix sockets are not available on windows"); |
Paolo Bonzini | 0c81470 | 2012-10-18 08:44:00 +0200 | [diff] [blame] | 785 | errno = ENOTSUP; |
| 786 | return -1; |
| 787 | } |
| 788 | #endif |
| 789 | |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 790 | /* compatibility wrapper */ |
Paolo Bonzini | 7fc4e63 | 2012-10-02 09:35:32 +0200 | [diff] [blame] | 791 | int unix_listen(const char *str, char *ostr, int olen, Error **errp) |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 792 | { |
| 793 | QemuOpts *opts; |
| 794 | char *path, *optstr; |
| 795 | int sock, len; |
| 796 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 797 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 798 | |
| 799 | optstr = strchr(str, ','); |
| 800 | if (optstr) { |
| 801 | len = optstr - str; |
| 802 | if (len) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 803 | path = g_malloc(len+1); |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 804 | snprintf(path, len+1, "%.*s", len, str); |
| 805 | qemu_opt_set(opts, "path", path); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 806 | g_free(path); |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 807 | } |
| 808 | } else { |
| 809 | qemu_opt_set(opts, "path", str); |
| 810 | } |
| 811 | |
Paolo Bonzini | 7fc4e63 | 2012-10-02 09:35:32 +0200 | [diff] [blame] | 812 | sock = unix_listen_opts(opts, errp); |
Gerd Hoffmann | 62b6adf | 2009-09-10 10:58:38 +0200 | [diff] [blame] | 813 | |
| 814 | if (sock != -1 && ostr) |
| 815 | snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : ""); |
| 816 | qemu_opts_del(opts); |
| 817 | return sock; |
| 818 | } |
| 819 | |
Paolo Bonzini | 7fc4e63 | 2012-10-02 09:35:32 +0200 | [diff] [blame] | 820 | int unix_connect(const char *path, Error **errp) |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 821 | { |
| 822 | QemuOpts *opts; |
| 823 | int sock; |
| 824 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 825 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 826 | qemu_opt_set(opts, "path", path); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 827 | sock = unix_connect_opts(opts, errp, NULL, NULL); |
| 828 | qemu_opts_del(opts); |
| 829 | return sock; |
| 830 | } |
| 831 | |
| 832 | |
| 833 | int unix_nonblocking_connect(const char *path, |
| 834 | NonBlockingConnectHandler *callback, |
| 835 | void *opaque, Error **errp) |
| 836 | { |
| 837 | QemuOpts *opts; |
| 838 | int sock = -1; |
| 839 | |
| 840 | g_assert(callback != NULL); |
| 841 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 842 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 1fc05ad | 2012-10-03 13:37:46 +0200 | [diff] [blame] | 843 | qemu_opt_set(opts, "path", path); |
| 844 | sock = unix_connect_opts(opts, errp, callback, opaque); |
Gerd Hoffmann | 2af2bf6 | 2009-09-10 10:58:37 +0200 | [diff] [blame] | 845 | qemu_opts_del(opts); |
| 846 | return sock; |
| 847 | } |
| 848 | |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 849 | SocketAddress *socket_parse(const char *str, Error **errp) |
| 850 | { |
Gerd Hoffmann | afde3f8 | 2013-06-24 08:39:44 +0200 | [diff] [blame] | 851 | SocketAddress *addr; |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 852 | |
Gerd Hoffmann | afde3f8 | 2013-06-24 08:39:44 +0200 | [diff] [blame] | 853 | addr = g_new0(SocketAddress, 1); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 854 | if (strstart(str, "unix:", NULL)) { |
| 855 | if (str[5] == '\0') { |
Markus Armbruster | 312fd5f | 2013-02-08 21:22:16 +0100 | [diff] [blame] | 856 | error_setg(errp, "invalid Unix socket address"); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 857 | goto fail; |
| 858 | } else { |
| 859 | addr->kind = SOCKET_ADDRESS_KIND_UNIX; |
| 860 | addr->q_unix = g_new(UnixSocketAddress, 1); |
| 861 | addr->q_unix->path = g_strdup(str + 5); |
| 862 | } |
| 863 | } else if (strstart(str, "fd:", NULL)) { |
| 864 | if (str[3] == '\0') { |
Markus Armbruster | 312fd5f | 2013-02-08 21:22:16 +0100 | [diff] [blame] | 865 | error_setg(errp, "invalid file descriptor address"); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 866 | goto fail; |
| 867 | } else { |
| 868 | addr->kind = SOCKET_ADDRESS_KIND_FD; |
| 869 | addr->fd = g_new(String, 1); |
| 870 | addr->fd->str = g_strdup(str + 3); |
| 871 | } |
| 872 | } else { |
| 873 | addr->kind = SOCKET_ADDRESS_KIND_INET; |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 874 | addr->inet = inet_parse(str, errp); |
| 875 | if (addr->inet == NULL) { |
| 876 | goto fail; |
| 877 | } |
| 878 | } |
| 879 | return addr; |
| 880 | |
| 881 | fail: |
| 882 | qapi_free_SocketAddress(addr); |
| 883 | return NULL; |
| 884 | } |
| 885 | |
| 886 | int socket_connect(SocketAddress *addr, Error **errp, |
| 887 | NonBlockingConnectHandler *callback, void *opaque) |
| 888 | { |
| 889 | QemuOpts *opts; |
| 890 | int fd; |
| 891 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 892 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 893 | switch (addr->kind) { |
| 894 | case SOCKET_ADDRESS_KIND_INET: |
| 895 | inet_addr_to_opts(opts, addr->inet); |
| 896 | fd = inet_connect_opts(opts, errp, callback, opaque); |
| 897 | break; |
| 898 | |
| 899 | case SOCKET_ADDRESS_KIND_UNIX: |
| 900 | qemu_opt_set(opts, "path", addr->q_unix->path); |
| 901 | fd = unix_connect_opts(opts, errp, callback, opaque); |
| 902 | break; |
| 903 | |
| 904 | case SOCKET_ADDRESS_KIND_FD: |
| 905 | fd = monitor_get_fd(cur_mon, addr->fd->str, errp); |
Gerd Hoffmann | d1ec72a | 2013-06-24 08:39:46 +0200 | [diff] [blame] | 906 | if (fd >= 0 && callback) { |
Stefan Hajnoczi | 1a751eb | 2013-03-27 10:10:45 +0100 | [diff] [blame] | 907 | qemu_set_nonblock(fd); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 908 | callback(fd, opaque); |
| 909 | } |
| 910 | break; |
| 911 | |
| 912 | default: |
| 913 | abort(); |
| 914 | } |
| 915 | qemu_opts_del(opts); |
| 916 | return fd; |
| 917 | } |
| 918 | |
| 919 | int socket_listen(SocketAddress *addr, Error **errp) |
| 920 | { |
| 921 | QemuOpts *opts; |
| 922 | int fd; |
| 923 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 924 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Paolo Bonzini | 101f9cb | 2012-10-23 21:31:53 +0200 | [diff] [blame] | 925 | switch (addr->kind) { |
| 926 | case SOCKET_ADDRESS_KIND_INET: |
| 927 | inet_addr_to_opts(opts, addr->inet); |
| 928 | fd = inet_listen_opts(opts, 0, errp); |
| 929 | break; |
| 930 | |
| 931 | case SOCKET_ADDRESS_KIND_UNIX: |
| 932 | qemu_opt_set(opts, "path", addr->q_unix->path); |
| 933 | fd = unix_listen_opts(opts, errp); |
| 934 | break; |
| 935 | |
| 936 | case SOCKET_ADDRESS_KIND_FD: |
| 937 | fd = monitor_get_fd(cur_mon, addr->fd->str, errp); |
| 938 | break; |
| 939 | |
| 940 | default: |
| 941 | abort(); |
| 942 | } |
| 943 | qemu_opts_del(opts); |
| 944 | return fd; |
| 945 | } |
| 946 | |
Gerd Hoffmann | 3ecc059 | 2013-02-27 14:10:47 +0100 | [diff] [blame] | 947 | int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp) |
| 948 | { |
| 949 | QemuOpts *opts; |
| 950 | int fd; |
| 951 | |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 952 | opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
Gerd Hoffmann | 3ecc059 | 2013-02-27 14:10:47 +0100 | [diff] [blame] | 953 | switch (remote->kind) { |
| 954 | case SOCKET_ADDRESS_KIND_INET: |
| 955 | qemu_opt_set(opts, "host", remote->inet->host); |
| 956 | qemu_opt_set(opts, "port", remote->inet->port); |
| 957 | if (local) { |
| 958 | qemu_opt_set(opts, "localaddr", local->inet->host); |
| 959 | qemu_opt_set(opts, "localport", local->inet->port); |
| 960 | } |
| 961 | fd = inet_dgram_opts(opts, errp); |
| 962 | break; |
| 963 | |
| 964 | default: |
| 965 | error_setg(errp, "socket type unsupported for datagram"); |
Gerd Hoffmann | 7a5b6af | 2013-06-24 08:39:56 +0200 | [diff] [blame] | 966 | fd = -1; |
Gerd Hoffmann | 3ecc059 | 2013-02-27 14:10:47 +0100 | [diff] [blame] | 967 | } |
| 968 | qemu_opts_del(opts); |
| 969 | return fd; |
| 970 | } |