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Diffstat (limited to 'ui/vnc.c')
-rw-r--r--ui/vnc.c67
1 files changed, 13 insertions, 54 deletions
diff --git a/ui/vnc.c b/ui/vnc.c
index b216182176..7d844f7195 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -40,6 +40,7 @@
#include "qemu/osdep.h"
#include "ui/input.h"
#include "qapi-event.h"
+#include "crypto/hash.h"
#define VNC_REFRESH_INTERVAL_BASE GUI_REFRESH_INTERVAL_DEFAULT
#define VNC_REFRESH_INTERVAL_INC 50
@@ -355,9 +356,7 @@ static VncClientInfo *qmp_query_vnc_client(const VncState *client)
info->base->host = g_strdup(host);
info->base->service = g_strdup(serv);
info->base->family = inet_netfamily(sa.ss_family);
-#ifdef CONFIG_VNC_WS
info->base->websocket = client->websocket;
-#endif
#ifdef CONFIG_VNC_TLS
if (client->tls.session && client->tls.dname) {
@@ -582,12 +581,10 @@ VncInfo2List *qmp_query_vnc_servers(Error **errp)
info->server = qmp_query_server_entry(vd->lsock, false,
info->server);
}
-#ifdef CONFIG_VNC_WS
if (vd->lwebsock != -1) {
info->server = qmp_query_server_entry(vd->lwebsock, true,
info->server);
}
-#endif
item = g_new0(VncInfo2List, 1);
item->value = info;
@@ -1231,10 +1228,8 @@ void vnc_disconnect_finish(VncState *vs)
buffer_free(&vs->input);
buffer_free(&vs->output);
-#ifdef CONFIG_VNC_WS
buffer_free(&vs->ws_input);
buffer_free(&vs->ws_output);
-#endif /* CONFIG_VNC_WS */
qapi_free_VncClientInfo(vs->info);
@@ -1413,12 +1408,9 @@ static void vnc_client_write_locked(void *opaque)
} else
#endif /* CONFIG_VNC_SASL */
{
-#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
vnc_client_write_ws(vs);
- } else
-#endif /* CONFIG_VNC_WS */
- {
+ } else {
vnc_client_write_plain(vs);
}
}
@@ -1429,11 +1421,7 @@ void vnc_client_write(void *opaque)
VncState *vs = opaque;
vnc_lock_output(vs);
- if (vs->output.offset
-#ifdef CONFIG_VNC_WS
- || vs->ws_output.offset
-#endif
- ) {
+ if (vs->output.offset || vs->ws_output.offset) {
vnc_client_write_locked(opaque);
} else if (vs->csock != -1) {
qemu_set_fd_handler(vs->csock, vnc_client_read, NULL, vs);
@@ -1539,7 +1527,6 @@ void vnc_client_read(void *opaque)
ret = vnc_client_read_sasl(vs);
else
#endif /* CONFIG_VNC_SASL */
-#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
ret = vnc_client_read_ws(vs);
if (ret == -1) {
@@ -1549,10 +1536,8 @@ void vnc_client_read(void *opaque)
vnc_client_error(vs);
return;
}
- } else
-#endif /* CONFIG_VNC_WS */
- {
- ret = vnc_client_read_plain(vs);
+ } else {
+ ret = vnc_client_read_plain(vs);
}
if (!ret) {
if (vs->csock == -1)
@@ -1624,11 +1609,8 @@ void vnc_write_u8(VncState *vs, uint8_t value)
void vnc_flush(VncState *vs)
{
vnc_lock_output(vs);
- if (vs->csock != -1 && (vs->output.offset
-#ifdef CONFIG_VNC_WS
- || vs->ws_output.offset
-#endif
- )) {
+ if (vs->csock != -1 && (vs->output.offset ||
+ vs->ws_output.offset)) {
vnc_client_write_locked(vs);
}
vnc_unlock_output(vs);
@@ -3019,7 +3001,6 @@ static void vnc_connect(VncDisplay *vd, int csock,
VNC_DEBUG("New client on socket %d\n", csock);
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
qemu_set_nonblock(vs->csock);
-#ifdef CONFIG_VNC_WS
if (websocket) {
vs->websocket = 1;
#ifdef CONFIG_VNC_TLS
@@ -3031,7 +3012,6 @@ static void vnc_connect(VncDisplay *vd, int csock,
qemu_set_fd_handler(vs->csock, vncws_handshake_read, NULL, vs);
}
} else
-#endif /* CONFIG_VNC_WS */
{
qemu_set_fd_handler(vs->csock, vnc_client_read, NULL, vs);
}
@@ -3040,10 +3020,7 @@ static void vnc_connect(VncDisplay *vd, int csock,
vnc_qmp_event(vs, QAPI_EVENT_VNC_CONNECTED);
vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING);
-#ifdef CONFIG_VNC_WS
- if (!vs->websocket)
-#endif
- {
+ if (!vs->websocket) {
vnc_init_state(vs);
}
@@ -3099,12 +3076,9 @@ static void vnc_listen_read(void *opaque, bool websocket)
/* Catch-up */
graphic_hw_update(vs->dcl.con);
-#ifdef CONFIG_VNC_WS
if (websocket) {
csock = qemu_accept(vs->lwebsock, (struct sockaddr *)&addr, &addrlen);
- } else
-#endif /* CONFIG_VNC_WS */
- {
+ } else {
csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
}
@@ -3119,12 +3093,10 @@ static void vnc_listen_regular_read(void *opaque)
vnc_listen_read(opaque, false);
}
-#ifdef CONFIG_VNC_WS
static void vnc_listen_websocket_read(void *opaque)
{
vnc_listen_read(opaque, true);
}
-#endif /* CONFIG_VNC_WS */
static const DisplayChangeListenerOps dcl_ops = {
.dpy_name = "vnc",
@@ -3150,9 +3122,7 @@ void vnc_display_init(const char *id)
QTAILQ_INSERT_TAIL(&vnc_displays, vs, next);
vs->lsock = -1;
-#ifdef CONFIG_VNC_WS
vs->lwebsock = -1;
-#endif
QTAILQ_INIT(&vs->clients);
vs->expires = TIME_MAX;
@@ -3186,14 +3156,12 @@ static void vnc_display_close(VncDisplay *vs)
close(vs->lsock);
vs->lsock = -1;
}
-#ifdef CONFIG_VNC_WS
vs->ws_enabled = false;
if (vs->lwebsock != -1) {
qemu_set_fd_handler(vs->lwebsock, NULL, NULL, NULL);
close(vs->lwebsock);
vs->lwebsock = -1;
}
-#endif /* CONFIG_VNC_WS */
vs->auth = VNC_AUTH_INVALID;
vs->subauth = VNC_AUTH_INVALID;
#ifdef CONFIG_VNC_TLS
@@ -3579,13 +3547,12 @@ void vnc_display_open(const char *id, Error **errp)
websocket = qemu_opt_get(opts, "websocket");
if (websocket) {
-#ifdef CONFIG_VNC_WS
vs->ws_enabled = true;
qemu_opt_set(wsopts, "port", websocket, &error_abort);
-#else /* ! CONFIG_VNC_WS */
- error_setg(errp, "Websockets protocol requires gnutls support");
- goto fail;
-#endif /* ! CONFIG_VNC_WS */
+ if (!qcrypto_hash_supports(QCRYPTO_HASH_ALG_SHA1)) {
+ error_setg(errp, "SHA1 hash support is required for websockets");
+ goto fail;
+ }
}
#ifdef CONFIG_VNC_JPEG
@@ -3668,9 +3635,7 @@ void vnc_display_open(const char *id, Error **errp)
/* connect to viewer */
int csock;
vs->lsock = -1;
-#ifdef CONFIG_VNC_WS
vs->lwebsock = -1;
-#endif
if (strncmp(vnc, "unix:", 5) == 0) {
csock = unix_connect(vnc+5, errp);
} else {
@@ -3693,7 +3658,6 @@ void vnc_display_open(const char *id, Error **errp)
if (vs->lsock < 0) {
goto fail;
}
-#ifdef CONFIG_VNC_WS
if (vs->ws_enabled) {
vs->lwebsock = inet_listen_opts(wsopts, 0, errp);
if (vs->lwebsock < 0) {
@@ -3704,16 +3668,13 @@ void vnc_display_open(const char *id, Error **errp)
goto fail;
}
}
-#endif /* CONFIG_VNC_WS */
}
vs->enabled = true;
qemu_set_fd_handler(vs->lsock, vnc_listen_regular_read, NULL, vs);
-#ifdef CONFIG_VNC_WS
if (vs->ws_enabled) {
qemu_set_fd_handler(vs->lwebsock, vnc_listen_websocket_read,
NULL, vs);
}
-#endif /* CONFIG_VNC_WS */
}
qemu_opts_del(sopts);
qemu_opts_del(wsopts);
@@ -3723,9 +3684,7 @@ fail:
qemu_opts_del(sopts);
qemu_opts_del(wsopts);
vs->enabled = false;
-#ifdef CONFIG_VNC_WS
vs->ws_enabled = false;
-#endif /* CONFIG_VNC_WS */
}
void vnc_display_add_client(const char *id, int csock, bool skipauth)