ui: convert VNC startup code to use SocketAddress
The VNC code is currently using QemuOpts to configure the sockets connections / listeners it needs. Convert it to use SocketAddress to bring it in line with modern QAPI based code elsewhere in QEMU. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange
parent
0983f5e6af
commit
e0d03b8ceb
162
ui/vnc.c
162
ui/vnc.c
@ -3506,18 +3506,14 @@ void vnc_display_open(const char *id, Error **errp)
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{
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VncDisplay *vs = vnc_display_find(id);
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QemuOpts *opts = qemu_opts_find(&qemu_vnc_opts, id);
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QemuOpts *sopts, *wsopts;
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SocketAddress *saddr = NULL, *wsaddr = NULL;
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const char *share, *device_id;
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QemuConsole *con;
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bool password = false;
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bool reverse = false;
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const char *vnc;
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const char *has_to;
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char *h;
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bool has_ipv4 = false;
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bool has_ipv6 = false;
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const char *credid;
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const char *websocket;
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bool sasl = false;
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#ifdef CONFIG_VNC_SASL
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int saslErr;
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@ -3539,44 +3535,83 @@ void vnc_display_open(const char *id, Error **errp)
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return;
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}
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sopts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
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wsopts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
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h = strrchr(vnc, ':');
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if (h) {
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char *host;
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size_t hlen = h - vnc;
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if (vnc[0] == '[' && vnc[hlen - 1] == ']') {
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host = g_strndup(vnc + 1, hlen - 2);
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} else {
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host = g_strndup(vnc, hlen);
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const char *websocket = qemu_opt_get(opts, "websocket");
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int to = qemu_opt_get_number(opts, "to", 0);
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bool has_ipv4 = qemu_opt_get_bool(opts, "ipv4", false);
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bool has_ipv6 = qemu_opt_get_bool(opts, "ipv6", false);
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saddr = g_new0(SocketAddress, 1);
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if (websocket) {
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if (!qcrypto_hash_supports(QCRYPTO_HASH_ALG_SHA1)) {
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error_setg(errp,
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"SHA1 hash support is required for websockets");
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goto fail;
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}
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wsaddr = g_new0(SocketAddress, 1);
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vs->ws_enabled = true;
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}
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if (strncmp(vnc, "unix:", 5) == 0) {
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saddr->kind = SOCKET_ADDRESS_KIND_UNIX;
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saddr->q_unix = g_new0(UnixSocketAddress, 1);
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saddr->q_unix->path = g_strdup(vnc + 5);
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if (vs->ws_enabled) {
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error_setg(errp, "UNIX sockets not supported with websock");
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goto fail;
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}
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} else {
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unsigned long long baseport;
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saddr->kind = SOCKET_ADDRESS_KIND_INET;
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saddr->inet = g_new0(InetSocketAddress, 1);
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if (vnc[0] == '[' && vnc[hlen - 1] == ']') {
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saddr->inet->host = g_strndup(vnc + 1, hlen - 2);
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} else {
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saddr->inet->host = g_strndup(vnc, hlen);
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}
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if (parse_uint_full(h + 1, &baseport, 10) < 0) {
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error_setg(errp, "can't convert to a number: %s", h + 1);
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goto fail;
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}
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if (baseport > 65535 ||
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baseport + 5900 > 65535) {
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error_setg(errp, "port %s out of range", h + 1);
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goto fail;
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}
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saddr->inet->port = g_strdup_printf(
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"%d", (int)baseport + 5900);
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if (to) {
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saddr->inet->has_to = true;
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saddr->inet->to = to;
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}
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saddr->inet->ipv4 = saddr->inet->has_ipv4 = has_ipv4;
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saddr->inet->ipv6 = saddr->inet->has_ipv6 = has_ipv6;
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if (vs->ws_enabled) {
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wsaddr->kind = SOCKET_ADDRESS_KIND_INET;
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wsaddr->inet = g_new0(InetSocketAddress, 1);
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wsaddr->inet->host = g_strdup(saddr->inet->host);
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wsaddr->inet->port = g_strdup(websocket);
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if (to) {
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wsaddr->inet->has_to = true;
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wsaddr->inet->to = to;
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}
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wsaddr->inet->ipv4 = wsaddr->inet->has_ipv4 = has_ipv4;
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wsaddr->inet->ipv6 = wsaddr->inet->has_ipv6 = has_ipv6;
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}
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}
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qemu_opt_set(sopts, "host", host, &error_abort);
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qemu_opt_set(wsopts, "host", host, &error_abort);
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qemu_opt_set(sopts, "port", h+1, &error_abort);
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g_free(host);
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} else {
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error_setg(errp, "no vnc port specified");
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goto fail;
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}
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has_to = qemu_opt_get(opts, "to");
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has_ipv4 = qemu_opt_get_bool(opts, "ipv4", false);
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has_ipv6 = qemu_opt_get_bool(opts, "ipv6", false);
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if (has_to) {
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qemu_opt_set(sopts, "to", has_to, &error_abort);
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qemu_opt_set(wsopts, "to", has_to, &error_abort);
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}
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if (has_ipv4) {
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qemu_opt_set(sopts, "ipv4", "on", &error_abort);
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qemu_opt_set(wsopts, "ipv4", "on", &error_abort);
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}
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if (has_ipv6) {
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qemu_opt_set(sopts, "ipv6", "on", &error_abort);
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qemu_opt_set(wsopts, "ipv6", "on", &error_abort);
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}
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password = qemu_opt_get_bool(opts, "password", false);
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if (password) {
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if (fips_get_state()) {
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@ -3682,16 +3717,6 @@ void vnc_display_open(const char *id, Error **errp)
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}
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vs->connections_limit = qemu_opt_get_number(opts, "connections", 32);
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websocket = qemu_opt_get(opts, "websocket");
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if (websocket) {
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vs->ws_enabled = true;
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qemu_opt_set(wsopts, "port", websocket, &error_abort);
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if (!qcrypto_hash_supports(QCRYPTO_HASH_ALG_SHA1)) {
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error_setg(errp, "SHA1 hash support is required for websockets");
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goto fail;
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}
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}
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#ifdef CONFIG_VNC_JPEG
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vs->lossy = qemu_opt_get_bool(opts, "lossy", false);
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#endif
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@ -3725,7 +3750,7 @@ void vnc_display_open(const char *id, Error **errp)
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}
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#endif
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if (vnc_display_setup_auth(vs, password, sasl, websocket, errp) < 0) {
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if (vnc_display_setup_auth(vs, password, sasl, vs->ws_enabled, errp) < 0) {
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goto fail;
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}
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@ -3770,37 +3795,31 @@ void vnc_display_open(const char *id, Error **errp)
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int csock;
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vs->lsock = -1;
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vs->lwebsock = -1;
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if (strncmp(vnc, "unix:", 5) == 0) {
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csock = unix_connect(vnc+5, errp);
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} else {
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csock = inet_connect(vnc, errp);
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if (vs->ws_enabled) {
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error_setg(errp, "Cannot use websockets in reverse mode");
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goto fail;
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}
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csock = socket_connect(saddr, errp, NULL, NULL);
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if (csock < 0) {
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goto fail;
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}
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vs->is_unix = saddr->kind == SOCKET_ADDRESS_KIND_UNIX;
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vnc_connect(vs, csock, false, false);
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} else {
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/* listen for connects */
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if (strncmp(vnc, "unix:", 5) == 0) {
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vs->lsock = unix_listen(vnc+5, NULL, 0, errp);
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if (vs->lsock < 0) {
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goto fail;
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}
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vs->is_unix = true;
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} else {
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vs->lsock = inet_listen_opts(sopts, 5900, errp);
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if (vs->lsock < 0) {
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goto fail;
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}
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if (vs->ws_enabled) {
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vs->lwebsock = inet_listen_opts(wsopts, 0, errp);
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if (vs->lwebsock < 0) {
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if (vs->lsock != -1) {
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close(vs->lsock);
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vs->lsock = -1;
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}
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goto fail;
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vs->lsock = socket_listen(saddr, errp);
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if (vs->lsock < 0) {
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goto fail;
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}
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vs->is_unix = saddr->kind == SOCKET_ADDRESS_KIND_UNIX;
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if (vs->ws_enabled) {
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vs->lwebsock = socket_listen(wsaddr, errp);
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if (vs->lwebsock < 0) {
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if (vs->lsock != -1) {
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close(vs->lsock);
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vs->lsock = -1;
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}
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goto fail;
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}
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}
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vs->enabled = true;
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@ -3810,13 +3829,14 @@ void vnc_display_open(const char *id, Error **errp)
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NULL, vs);
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}
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}
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qemu_opts_del(sopts);
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qemu_opts_del(wsopts);
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qapi_free_SocketAddress(saddr);
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qapi_free_SocketAddress(wsaddr);
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return;
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fail:
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qemu_opts_del(sopts);
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qemu_opts_del(wsopts);
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qapi_free_SocketAddress(saddr);
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qapi_free_SocketAddress(wsaddr);
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vs->enabled = false;
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vs->ws_enabled = false;
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}
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