2 * inet and unix socket functions for qemu
4 * (c) 2008 Gerd Hoffmann <kraxel@redhat.com>
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.
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.
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.
25 #include "monitor/monitor.h"
26 #include "qemu/sockets.h"
27 #include "qemu/main-loop.h"
30 # define AI_ADDRCONFIG 0
33 # define AI_V4MAPPED 0
36 /* used temporarily until all users are converted to QemuOpts */
37 QemuOptsList socket_optslist = {
39 .head = QTAILQ_HEAD_INITIALIZER(socket_optslist.head),
43 .type = QEMU_OPT_STRING,
46 .type = QEMU_OPT_STRING,
49 .type = QEMU_OPT_STRING,
52 .type = QEMU_OPT_STRING,
55 .type = QEMU_OPT_STRING,
58 .type = QEMU_OPT_NUMBER,
61 .type = QEMU_OPT_BOOL,
64 .type = QEMU_OPT_BOOL,
70 static int inet_getport(struct addrinfo *e)
72 struct sockaddr_in *i4;
73 struct sockaddr_in6 *i6;
75 switch (e->ai_family) {
77 i6 = (void*)e->ai_addr;
78 return ntohs(i6->sin6_port);
80 i4 = (void*)e->ai_addr;
81 return ntohs(i4->sin_port);
87 static void inet_setport(struct addrinfo *e, int port)
89 struct sockaddr_in *i4;
90 struct sockaddr_in6 *i6;
92 switch (e->ai_family) {
94 i6 = (void*)e->ai_addr;
95 i6->sin6_port = htons(port);
98 i4 = (void*)e->ai_addr;
99 i4->sin_port = htons(port);
104 NetworkAddressFamily inet_netfamily(int family)
107 case PF_INET6: return NETWORK_ADDRESS_FAMILY_IPV6;
108 case PF_INET: return NETWORK_ADDRESS_FAMILY_IPV4;
109 case PF_UNIX: return NETWORK_ADDRESS_FAMILY_UNIX;
111 return NETWORK_ADDRESS_FAMILY_UNKNOWN;
114 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp)
116 struct addrinfo ai,*res,*e;
119 char uaddr[INET6_ADDRSTRLEN+1];
121 int slisten, rc, to, port_min, port_max, p;
123 memset(&ai,0, sizeof(ai));
124 ai.ai_flags = AI_PASSIVE;
125 ai.ai_family = PF_UNSPEC;
126 ai.ai_socktype = SOCK_STREAM;
128 if ((qemu_opt_get(opts, "host") == NULL) ||
129 (qemu_opt_get(opts, "port") == NULL)) {
130 error_setg(errp, "host and/or port not specified");
133 pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
134 addr = qemu_opt_get(opts, "host");
136 to = qemu_opt_get_number(opts, "to", 0);
137 if (qemu_opt_get_bool(opts, "ipv4", 0))
138 ai.ai_family = PF_INET;
139 if (qemu_opt_get_bool(opts, "ipv6", 0))
140 ai.ai_family = PF_INET6;
144 unsigned long long baseport;
145 if (parse_uint_full(port, &baseport, 10) < 0) {
146 error_setg(errp, "can't convert to a number: %s", port);
149 if (baseport > 65535 ||
150 baseport + port_offset > 65535) {
151 error_setg(errp, "port %s out of range", port);
154 snprintf(port, sizeof(port), "%d", (int)baseport + port_offset);
156 rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
158 error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
163 /* create socket + bind */
164 for (e = res; e != NULL; e = e->ai_next) {
165 getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
166 uaddr,INET6_ADDRSTRLEN,uport,32,
167 NI_NUMERICHOST | NI_NUMERICSERV);
168 slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol);
171 error_setg_errno(errp, errno, "Failed to create socket");
176 socket_set_fast_reuse(slisten);
178 if (e->ai_family == PF_INET6) {
179 /* listen on both ipv4 and ipv6 */
181 qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off,
186 port_min = inet_getport(e);
187 port_max = to ? to + port_offset : port_min;
188 for (p = port_min; p <= port_max; p++) {
190 if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) {
195 error_setg_errno(errp, errno, "Failed to bind socket");
199 closesocket(slisten);
205 if (listen(slisten,1) != 0) {
206 error_setg_errno(errp, errno, "Failed to listen on socket");
207 closesocket(slisten);
211 qemu_opt_set(opts, "host", uaddr, &error_abort);
212 qemu_opt_set_number(opts, "port", inet_getport(e) - port_offset,
214 qemu_opt_set_bool(opts, "ipv6", e->ai_family == PF_INET6,
216 qemu_opt_set_bool(opts, "ipv4", e->ai_family != PF_INET6,
223 #define QEMU_SOCKET_RC_INPROGRESS(rc) \
224 ((rc) == -EINPROGRESS || (rc) == -EWOULDBLOCK || (rc) == -WSAEALREADY)
226 #define QEMU_SOCKET_RC_INPROGRESS(rc) \
227 ((rc) == -EINPROGRESS)
230 /* Struct to store connect state for non blocking connect */
231 typedef struct ConnectState {
233 struct addrinfo *addr_list;
234 struct addrinfo *current_addr;
235 NonBlockingConnectHandler *callback;
239 static int inet_connect_addr(struct addrinfo *addr, bool *in_progress,
240 ConnectState *connect_state, Error **errp);
242 static void wait_for_connect(void *opaque)
244 ConnectState *s = opaque;
246 socklen_t valsize = sizeof(val);
250 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
253 rc = qemu_getsockopt(s->fd, SOL_SOCKET, SO_ERROR, &val, &valsize);
254 } while (rc == -1 && socket_error() == EINTR);
256 /* update rc to contain error */
264 error_setg_errno(&err, errno, "Error connecting to socket");
269 /* try to connect to the next address on the list */
270 if (s->current_addr) {
271 while (s->current_addr->ai_next != NULL && s->fd < 0) {
272 s->current_addr = s->current_addr->ai_next;
273 s->fd = inet_connect_addr(s->current_addr, &in_progress, s, NULL);
277 error_setg_errno(&err, errno, "Unable to start socket connect");
279 /* connect in progress */
285 freeaddrinfo(s->addr_list);
289 s->callback(s->fd, err, s->opaque);
296 static int inet_connect_addr(struct addrinfo *addr, bool *in_progress,
297 ConnectState *connect_state, Error **errp)
301 *in_progress = false;
303 sock = qemu_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
305 error_setg_errno(errp, errno, "Failed to create socket");
308 socket_set_fast_reuse(sock);
309 if (connect_state != NULL) {
310 qemu_set_nonblock(sock);
312 /* connect to peer */
315 if (connect(sock, addr->ai_addr, addr->ai_addrlen) < 0) {
316 rc = -socket_error();
318 } while (rc == -EINTR);
320 if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) {
321 connect_state->fd = sock;
322 qemu_set_fd_handler(sock, NULL, wait_for_connect, connect_state);
325 error_setg_errno(errp, errno, "Failed to connect socket");
332 static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp)
334 struct addrinfo ai, *res;
339 memset(&ai, 0, sizeof(ai));
341 ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG;
342 ai.ai_family = PF_UNSPEC;
343 ai.ai_socktype = SOCK_STREAM;
345 addr = qemu_opt_get(opts, "host");
346 port = qemu_opt_get(opts, "port");
347 if (addr == NULL || port == NULL) {
348 error_setg(errp, "host and/or port not specified");
352 if (qemu_opt_get_bool(opts, "ipv4", 0)) {
353 ai.ai_family = PF_INET;
355 if (qemu_opt_get_bool(opts, "ipv6", 0)) {
356 ai.ai_family = PF_INET6;
360 rc = getaddrinfo(addr, port, &ai, &res);
362 error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
370 * Create a socket and connect it to an address.
372 * @opts: QEMU options, recognized parameters strings "host" and "port",
373 * bools "ipv4" and "ipv6".
374 * @errp: set on error
375 * @callback: callback function for non-blocking connect
376 * @opaque: opaque for callback function
378 * Returns: -1 on error, file descriptor on success.
380 * If @callback is non-null, the connect is non-blocking. If this
381 * function succeeds, callback will be called when the connection
382 * completes, with the file descriptor on success, or -1 on error.
384 int inet_connect_opts(QemuOpts *opts, Error **errp,
385 NonBlockingConnectHandler *callback, void *opaque)
387 Error *local_err = NULL;
388 struct addrinfo *res, *e;
391 ConnectState *connect_state = NULL;
393 res = inet_parse_connect_opts(opts, errp);
398 if (callback != NULL) {
399 connect_state = g_malloc0(sizeof(*connect_state));
400 connect_state->addr_list = res;
401 connect_state->callback = callback;
402 connect_state->opaque = opaque;
405 for (e = res; e != NULL; e = e->ai_next) {
406 error_free(local_err);
408 if (connect_state != NULL) {
409 connect_state->current_addr = e;
411 sock = inet_connect_addr(e, &in_progress, connect_state, &local_err);
418 error_propagate(errp, local_err);
419 } else if (in_progress) {
420 /* wait_for_connect() will do the rest */
424 callback(sock, NULL, opaque);
427 g_free(connect_state);
432 int inet_dgram_opts(QemuOpts *opts, Error **errp)
434 struct addrinfo ai, *peer = NULL, *local = NULL;
439 /* lookup peer addr */
440 memset(&ai,0, sizeof(ai));
441 ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG;
442 ai.ai_family = PF_UNSPEC;
443 ai.ai_socktype = SOCK_DGRAM;
445 addr = qemu_opt_get(opts, "host");
446 port = qemu_opt_get(opts, "port");
447 if (addr == NULL || strlen(addr) == 0) {
450 if (port == NULL || strlen(port) == 0) {
451 error_setg(errp, "remote port not specified");
455 if (qemu_opt_get_bool(opts, "ipv4", 0))
456 ai.ai_family = PF_INET;
457 if (qemu_opt_get_bool(opts, "ipv6", 0))
458 ai.ai_family = PF_INET6;
460 if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) {
461 error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
466 /* lookup local addr */
467 memset(&ai,0, sizeof(ai));
468 ai.ai_flags = AI_PASSIVE;
469 ai.ai_family = peer->ai_family;
470 ai.ai_socktype = SOCK_DGRAM;
472 addr = qemu_opt_get(opts, "localaddr");
473 port = qemu_opt_get(opts, "localport");
474 if (addr == NULL || strlen(addr) == 0) {
477 if (!port || strlen(port) == 0)
480 if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) {
481 error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
487 sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol);
489 error_setg_errno(errp, errno, "Failed to create socket");
492 socket_set_fast_reuse(sock);
495 if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) {
496 error_setg_errno(errp, errno, "Failed to bind socket");
500 /* connect to peer */
501 if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) {
502 error_setg_errno(errp, errno, "Failed to connect socket");
520 /* compatibility wrapper */
521 InetSocketAddress *inet_parse(const char *str, Error **errp)
523 InetSocketAddress *addr;
524 const char *optstr, *h;
530 addr = g_new0(InetSocketAddress, 1);
536 if (1 != sscanf(str, ":%32[^,]%n", port, &pos)) {
537 error_setg(errp, "error parsing port in address '%s'", str);
540 } else if (str[0] == '[') {
542 if (2 != sscanf(str, "[%64[^]]]:%32[^,]%n", host, port, &pos)) {
543 error_setg(errp, "error parsing IPv6 address '%s'", str);
546 addr->ipv6 = addr->has_ipv6 = true;
548 /* hostname or IPv4 addr */
549 if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) {
550 error_setg(errp, "error parsing address '%s'", str);
553 if (host[strspn(host, "0123456789.")] == '\0') {
554 addr->ipv4 = addr->has_ipv4 = true;
558 addr->host = g_strdup(host);
559 addr->port = g_strdup(port);
563 h = strstr(optstr, ",to=");
566 if (sscanf(h, "%d%n", &to, &pos) != 1 ||
567 (h[pos] != '\0' && h[pos] != ',')) {
568 error_setg(errp, "error parsing to= argument");
574 if (strstr(optstr, ",ipv4")) {
575 addr->ipv4 = addr->has_ipv4 = true;
577 if (strstr(optstr, ",ipv6")) {
578 addr->ipv6 = addr->has_ipv6 = true;
583 qapi_free_InetSocketAddress(addr);
587 static void inet_addr_to_opts(QemuOpts *opts, const InetSocketAddress *addr)
589 bool ipv4 = addr->ipv4 || !addr->has_ipv4;
590 bool ipv6 = addr->ipv6 || !addr->has_ipv6;
592 if (!ipv4 || !ipv6) {
593 qemu_opt_set_bool(opts, "ipv4", ipv4, &error_abort);
594 qemu_opt_set_bool(opts, "ipv6", ipv6, &error_abort);
597 qemu_opt_set_number(opts, "to", addr->to, &error_abort);
599 qemu_opt_set(opts, "host", addr->host, &error_abort);
600 qemu_opt_set(opts, "port", addr->port, &error_abort);
603 int inet_listen(const char *str, char *ostr, int olen,
604 int socktype, int port_offset, Error **errp)
609 InetSocketAddress *addr;
611 addr = inet_parse(str, errp);
613 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
614 inet_addr_to_opts(opts, addr);
615 qapi_free_InetSocketAddress(addr);
616 sock = inet_listen_opts(opts, port_offset, errp);
617 if (sock != -1 && ostr) {
618 optstr = strchr(str, ',');
619 if (qemu_opt_get_bool(opts, "ipv6", 0)) {
620 snprintf(ostr, olen, "[%s]:%s%s",
621 qemu_opt_get(opts, "host"),
622 qemu_opt_get(opts, "port"),
623 optstr ? optstr : "");
625 snprintf(ostr, olen, "%s:%s%s",
626 qemu_opt_get(opts, "host"),
627 qemu_opt_get(opts, "port"),
628 optstr ? optstr : "");
637 * Create a blocking socket and connect it to an address.
639 * @str: address string
640 * @errp: set in case of an error
642 * Returns -1 in case of error, file descriptor on success
644 int inet_connect(const char *str, Error **errp)
648 InetSocketAddress *addr;
650 addr = inet_parse(str, errp);
652 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
653 inet_addr_to_opts(opts, addr);
654 qapi_free_InetSocketAddress(addr);
655 sock = inet_connect_opts(opts, errp, NULL, NULL);
662 * Create a non-blocking socket and connect it to an address.
663 * Calls the callback function with fd in case of success or -1 in case of
666 * @str: address string
667 * @callback: callback function that is called when connect completes,
669 * @opaque: opaque for callback function
670 * @errp: set in case of an error
672 * Returns: -1 on immediate error, file descriptor on success.
674 int inet_nonblocking_connect(const char *str,
675 NonBlockingConnectHandler *callback,
676 void *opaque, Error **errp)
680 InetSocketAddress *addr;
682 g_assert(callback != NULL);
684 addr = inet_parse(str, errp);
686 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
687 inet_addr_to_opts(opts, addr);
688 qapi_free_InetSocketAddress(addr);
689 sock = inet_connect_opts(opts, errp, callback, opaque);
697 int unix_listen_opts(QemuOpts *opts, Error **errp)
699 struct sockaddr_un un;
700 const char *path = qemu_opt_get(opts, "path");
703 sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
705 error_setg_errno(errp, errno, "Failed to create Unix socket");
709 memset(&un, 0, sizeof(un));
710 un.sun_family = AF_UNIX;
711 if (path && strlen(path)) {
712 snprintf(un.sun_path, sizeof(un.sun_path), "%s", path);
714 const char *tmpdir = getenv("TMPDIR");
715 tmpdir = tmpdir ? tmpdir : "/tmp";
716 if (snprintf(un.sun_path, sizeof(un.sun_path), "%s/qemu-socket-XXXXXX",
717 tmpdir) >= sizeof(un.sun_path)) {
718 error_setg_errno(errp, errno,
719 "TMPDIR environment variable (%s) too large", tmpdir);
724 * This dummy fd usage silences the mktemp() unsecure warning.
725 * Using mkstemp() doesn't make things more secure here
726 * though. bind() complains about existing files, so we have
727 * to unlink first and thus re-open the race window. The
728 * worst case possible is bind() failing, i.e. a DoS attack.
730 fd = mkstemp(un.sun_path);
732 error_setg_errno(errp, errno,
733 "Failed to make a temporary socket name in %s", tmpdir);
737 qemu_opt_set(opts, "path", un.sun_path, &error_abort);
740 if ((access(un.sun_path, F_OK) == 0) &&
741 unlink(un.sun_path) < 0) {
742 error_setg_errno(errp, errno,
743 "Failed to unlink socket %s", un.sun_path);
746 if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
747 error_setg_errno(errp, errno, "Failed to bind socket to %s", un.sun_path);
750 if (listen(sock, 1) < 0) {
751 error_setg_errno(errp, errno, "Failed to listen on socket");
762 int unix_connect_opts(QemuOpts *opts, Error **errp,
763 NonBlockingConnectHandler *callback, void *opaque)
765 struct sockaddr_un un;
766 const char *path = qemu_opt_get(opts, "path");
767 ConnectState *connect_state = NULL;
771 error_setg(errp, "unix connect: no path specified");
775 sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
777 error_setg_errno(errp, errno, "Failed to create socket");
780 if (callback != NULL) {
781 connect_state = g_malloc0(sizeof(*connect_state));
782 connect_state->callback = callback;
783 connect_state->opaque = opaque;
784 qemu_set_nonblock(sock);
787 memset(&un, 0, sizeof(un));
788 un.sun_family = AF_UNIX;
789 snprintf(un.sun_path, sizeof(un.sun_path), "%s", path);
791 /* connect to peer */
794 if (connect(sock, (struct sockaddr *) &un, sizeof(un)) < 0) {
795 rc = -socket_error();
797 } while (rc == -EINTR);
799 if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) {
800 connect_state->fd = sock;
801 qemu_set_fd_handler(sock, NULL, wait_for_connect, connect_state);
803 } else if (rc >= 0) {
804 /* non blocking socket immediate success, call callback */
805 if (callback != NULL) {
806 callback(sock, NULL, opaque);
811 error_setg_errno(errp, -rc, "Failed to connect socket");
816 g_free(connect_state);
822 int unix_listen_opts(QemuOpts *opts, Error **errp)
824 error_setg(errp, "unix sockets are not available on windows");
829 int unix_connect_opts(QemuOpts *opts, Error **errp,
830 NonBlockingConnectHandler *callback, void *opaque)
832 error_setg(errp, "unix sockets are not available on windows");
838 /* compatibility wrapper */
839 int unix_listen(const char *str, char *ostr, int olen, Error **errp)
845 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
847 optstr = strchr(str, ',');
851 path = g_malloc(len+1);
852 snprintf(path, len+1, "%.*s", len, str);
853 qemu_opt_set(opts, "path", path, &error_abort);
857 qemu_opt_set(opts, "path", str, &error_abort);
860 sock = unix_listen_opts(opts, errp);
862 if (sock != -1 && ostr)
863 snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : "");
868 int unix_connect(const char *path, Error **errp)
873 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
874 qemu_opt_set(opts, "path", path, &error_abort);
875 sock = unix_connect_opts(opts, errp, NULL, NULL);
881 int unix_nonblocking_connect(const char *path,
882 NonBlockingConnectHandler *callback,
883 void *opaque, Error **errp)
888 g_assert(callback != NULL);
890 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
891 qemu_opt_set(opts, "path", path, &error_abort);
892 sock = unix_connect_opts(opts, errp, callback, opaque);
897 SocketAddress *socket_parse(const char *str, Error **errp)
901 addr = g_new0(SocketAddress, 1);
902 if (strstart(str, "unix:", NULL)) {
903 if (str[5] == '\0') {
904 error_setg(errp, "invalid Unix socket address");
907 addr->kind = SOCKET_ADDRESS_KIND_UNIX;
908 addr->q_unix = g_new(UnixSocketAddress, 1);
909 addr->q_unix->path = g_strdup(str + 5);
911 } else if (strstart(str, "fd:", NULL)) {
912 if (str[3] == '\0') {
913 error_setg(errp, "invalid file descriptor address");
916 addr->kind = SOCKET_ADDRESS_KIND_FD;
917 addr->fd = g_new(String, 1);
918 addr->fd->str = g_strdup(str + 3);
921 addr->kind = SOCKET_ADDRESS_KIND_INET;
922 addr->inet = inet_parse(str, errp);
923 if (addr->inet == NULL) {
930 qapi_free_SocketAddress(addr);
934 int socket_connect(SocketAddress *addr, Error **errp,
935 NonBlockingConnectHandler *callback, void *opaque)
940 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
941 switch (addr->kind) {
942 case SOCKET_ADDRESS_KIND_INET:
943 inet_addr_to_opts(opts, addr->inet);
944 fd = inet_connect_opts(opts, errp, callback, opaque);
947 case SOCKET_ADDRESS_KIND_UNIX:
948 qemu_opt_set(opts, "path", addr->q_unix->path, &error_abort);
949 fd = unix_connect_opts(opts, errp, callback, opaque);
952 case SOCKET_ADDRESS_KIND_FD:
953 fd = monitor_get_fd(cur_mon, addr->fd->str, errp);
954 if (fd >= 0 && callback) {
955 qemu_set_nonblock(fd);
956 callback(fd, NULL, opaque);
967 int socket_listen(SocketAddress *addr, Error **errp)
972 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
973 switch (addr->kind) {
974 case SOCKET_ADDRESS_KIND_INET:
975 inet_addr_to_opts(opts, addr->inet);
976 fd = inet_listen_opts(opts, 0, errp);
979 case SOCKET_ADDRESS_KIND_UNIX:
980 qemu_opt_set(opts, "path", addr->q_unix->path, &error_abort);
981 fd = unix_listen_opts(opts, errp);
984 case SOCKET_ADDRESS_KIND_FD:
985 fd = monitor_get_fd(cur_mon, addr->fd->str, errp);
995 int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp)
1000 opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
1001 switch (remote->kind) {
1002 case SOCKET_ADDRESS_KIND_INET:
1003 inet_addr_to_opts(opts, remote->inet);
1005 qemu_opt_set(opts, "localaddr", local->inet->host, &error_abort);
1006 qemu_opt_set(opts, "localport", local->inet->port, &error_abort);
1008 fd = inet_dgram_opts(opts, errp);
1012 error_setg(errp, "socket type unsupported for datagram");
1015 qemu_opts_del(opts);